Fixed mouse pressed state for Linux (use memeber variable instead of static)

* fix side bar state being incorrect during restore

* isVisible is invalid during restore state

* Make visibleTabCount function consistent with hasVisibleTabs. Add a bit of documentation.

---------

Co-authored-by: Syarif Fakhri <fakhri.s@duerr-ndt.com>

.github/workflows/linux-builds.yml

@@ -6,7 +6,7 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [ubuntu-latest, ubuntu-18.04, ubuntu-16.04]
+        os: [ubuntu-20.04]
 
     runs-on: ${{ matrix.os }}
     
@@ -16,7 +16,44 @@ jobs:
       run: |
         sudo apt-get update --fix-missing
         sudo apt-get install qt5-default
+        sudo apt-get install qtbase5-private-dev
     - name: qmake
       run: qmake
     - name: make
       run: make -j4
+      
+  build_ubuntu_2204:
+    runs-on: ubuntu-22.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: Cache Qt
+      id: cache-qt-6-4
+      uses: actions/cache@v1  # not v2!
+      with:
+        path: ../Qt/6.4.2
+        key: ${{ runner.os }}-QtCache-Qt6-4
+
+    - name: Install Qt
+      uses: jurplel/install-qt-action@v2
+      with:
+        version: '6.4.2'
+        host: 'linux'
+        target: 'desktop'
+        install-deps: true
+        cached: ${{ steps.cache-qt-6-4.outputs.cache-hit }}
+        setup-python: true
+        tools: ''
+        tools-only: false
+
+    - name: Install needed xkbcommon symlink
+      run: sudo apt-get install libxkbcommon-dev -y    
+
+    - name: Ubuntu and Qt version
+      run: |
+        cat /etc/issue
+        echo number of processors: $(nproc)
+        qmake -v
+    - name: qmake
+      run: qmake
+    - name: make
+      run: make -j$(nproc)

.gitignore

@@ -382,3 +382,5 @@ MigrationBackup/
 FodyWeavers.xsd
 / build
 /Settings.ini
+.vscode/settings.json
+/.settings

.settings/language.settings.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<project>
-	<configuration id="cdt.managedbuild.toolchain.gnu.mingw.base.1119687795" name="Default">
-		<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
-			<provider-reference id="org.eclipse.cdt.managedbuilder.core.GCCBuiltinSpecsDetectorMinGW" ref="shared-provider"/>
-			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
-			<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuildCommandParser" id="org.eclipse.cdt.managedbuilder.core.GCCBuildCommandParser" keep-relative-paths="false" name="CDT GCC Build Output Parser" parameter="(g?cc)|([gc]\+\+)|(clang)" prefer-non-shared="true"/>
-			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-		</extension>
-	</configuration>
-</project>

.travis.yml

@@ -65,7 +65,7 @@ matrix:
     services:
         - xvfb
     compiler: gcc
-    addons:
+    addons:  
       apt:
         sources:
         - ubuntu-toolchain-r-test

CMakeLists.txt

@@ -1,20 +1,41 @@
 cmake_minimum_required(VERSION 3.5)
-set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules ${CMAKE_MODULE_PATH})
-include(GetGitRevisionDescription)
-git_describe(GitTagVersion --tags)
-string(REGEX REPLACE "^([0-9]+)\\..*" "\\1" VERSION_MAJOR "${GitTagVersion}")
-string(REGEX REPLACE "^[0-9]+\\.([0-9]+).*" "\\1" VERSION_MINOR "${GitTagVersion}")
-string(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" VERSION_PATCH "${GitTagVersion}")
-set(VERSION_SHORT "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
+
+# By default, the version information is extracted from the git index. However,
+# we can override this behavior by explicitly setting ADS_VERSION and
+# skipping the git checks. This is useful for cases where this project is being
+# used independently of its original git repo (e.g. vendored in another project)
+if(NOT ADS_VERSION)
+    set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules ${CMAKE_MODULE_PATH})
+    include(GetGitRevisionDescription)
+    git_describe(GitTagVersion --tags)
+    string(REGEX REPLACE "^([0-9]+)\\..*" "\\1" VERSION_MAJOR "${GitTagVersion}")
+    string(REGEX REPLACE "^[0-9]+\\.([0-9]+).*" "\\1" VERSION_MINOR "${GitTagVersion}")
+    string(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" VERSION_PATCH "${GitTagVersion}")
+    set(VERSION_SHORT "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
+else()
+    string(REGEX MATCHALL "[\.]" VERSION_DOT_MATCHES ${ADS_VERSION})
+    list(LENGTH VERSION_DOT_MATCHES VERSION_DOT_COUNT)
+    if(VERSION_DOT_COUNT EQUAL 2)
+        set(VERSION_SHORT ${ADS_VERSION})
+    else()
+        message(FATAL_ERROR "ADS_VERSION must be in major.minor.patch format, e.g. 3.8.1. Got ${ADS_VERSION}")
+    endif()
+endif()
+
+
 project(QtADS LANGUAGES CXX VERSION ${VERSION_SHORT})
+
 option(BUILD_STATIC "Build the static library" OFF)
 option(BUILD_EXAMPLES "Build the examples" ON)
+
 if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "4")
     set(ads_PlatformDir "x86")
 else()
     set(ads_PlatformDir "x64")
 endif()
+
 add_subdirectory(src)
+
 if(BUILD_EXAMPLES)
     add_subdirectory(examples)
     add_subdirectory(demo)

PyQtAds/QtAds/__init__.py

@@ -1,10 +0,0 @@
-from .ads import ads
-from .._version import *
-
-import inspect
-
-for name, member in inspect.getmembers(ads):
-    if not name.startswith('_'):
-        globals()[name] = member
-        
-del ads

PyQtAds/__init__.py

@@ -1,9 +0,0 @@
-from .rc import *
-from ._version import get_versions
-__version__ = get_versions()['version']
-short_version = __version__
-version = __version__
-full_version = __version__
-git_revision = get_versions()['full-revisionid']
-release = not get_versions()['dirty']
-del get_versions

PyQtAds/_version.py

@@ -1,520 +0,0 @@
-
-# This file helps to compute a version number in source trees obtained from
-# git-archive tarball (such as those provided by githubs download-from-tag
-# feature). Distribution tarballs (built by setup.py sdist) and build
-# directories (produced by setup.py build) will contain a much shorter file
-# that just contains the computed version number.
-
-# This file is released into the public domain. Generated by
-# versioneer-0.18 (https://github.com/warner/python-versioneer)
-
-"""Git implementation of _version.py."""
-
-import errno
-import os
-import re
-import subprocess
-import sys
-
-
-def get_keywords():
-    """Get the keywords needed to look up the version information."""
-    # these strings will be replaced by git during git-archive.
-    # setup.py/versioneer.py will grep for the variable names, so they must
-    # each be defined on a line of their own. _version.py will just call
-    # get_keywords().
-    git_refnames = "$Format:%d$"
-    git_full = "$Format:%H$"
-    git_date = "$Format:%ci$"
-    keywords = {"refnames": git_refnames, "full": git_full, "date": git_date}
-    return keywords
-
-
-class VersioneerConfig:
-    """Container for Versioneer configuration parameters."""
-
-
-def get_config():
-    """Create, populate and return the VersioneerConfig() object."""
-    # these strings are filled in when 'setup.py versioneer' creates
-    # _version.py
-    cfg = VersioneerConfig()
-    cfg.VCS = "git"
-    cfg.style = "pep440"
-    cfg.tag_prefix = ""
-    cfg.parentdir_prefix = "None"
-    cfg.versionfile_source = "PyQtAds/_version.py"
-    cfg.verbose = False
-    return cfg
-
-
-class NotThisMethod(Exception):
-    """Exception raised if a method is not valid for the current scenario."""
-
-
-LONG_VERSION_PY = {}
-HANDLERS = {}
-
-
-def register_vcs_handler(vcs, method):  # decorator
-    """Create decorator to mark a method as the handler of a VCS."""
-    def decorate(f):
-        """Store f in HANDLERS[vcs][method]."""
-        if vcs not in HANDLERS:
-            HANDLERS[vcs] = {}
-        HANDLERS[vcs][method] = f
-        return f
-    return decorate
-
-
-def run_command(commands, args, cwd=None, verbose=False, hide_stderr=False,
-                env=None):
-    """Call the given command(s)."""
-    assert isinstance(commands, list)
-    p = None
-    for c in commands:
-        try:
-            dispcmd = str([c] + args)
-            # remember shell=False, so use git.cmd on windows, not just git
-            p = subprocess.Popen([c] + args, cwd=cwd, env=env,
-                                 stdout=subprocess.PIPE,
-                                 stderr=(subprocess.PIPE if hide_stderr
-                                         else None))
-            break
-        except EnvironmentError:
-            e = sys.exc_info()[1]
-            if e.errno == errno.ENOENT:
-                continue
-            if verbose:
-                print("unable to run %s" % dispcmd)
-                print(e)
-            return None, None
-    else:
-        if verbose:
-            print("unable to find command, tried %s" % (commands,))
-        return None, None
-    stdout = p.communicate()[0].strip()
-    if sys.version_info[0] >= 3:
-        stdout = stdout.decode()
-    if p.returncode != 0:
-        if verbose:
-            print("unable to run %s (error)" % dispcmd)
-            print("stdout was %s" % stdout)
-        return None, p.returncode
-    return stdout, p.returncode
-
-
-def versions_from_parentdir(parentdir_prefix, root, verbose):
-    """Try to determine the version from the parent directory name.
-
-    Source tarballs conventionally unpack into a directory that includes both
-    the project name and a version string. We will also support searching up
-    two directory levels for an appropriately named parent directory
-    """
-    rootdirs = []
-
-    for i in range(3):
-        dirname = os.path.basename(root)
-        if dirname.startswith(parentdir_prefix):
-            return {"version": dirname[len(parentdir_prefix):],
-                    "full-revisionid": None,
-                    "dirty": False, "error": None, "date": None}
-        else:
-            rootdirs.append(root)
-            root = os.path.dirname(root)  # up a level
-
-    if verbose:
-        print("Tried directories %s but none started with prefix %s" %
-              (str(rootdirs), parentdir_prefix))
-    raise NotThisMethod("rootdir doesn't start with parentdir_prefix")
-
-
-@register_vcs_handler("git", "get_keywords")
-def git_get_keywords(versionfile_abs):
-    """Extract version information from the given file."""
-    # the code embedded in _version.py can just fetch the value of these
-    # keywords. When used from setup.py, we don't want to import _version.py,
-    # so we do it with a regexp instead. This function is not used from
-    # _version.py.
-    keywords = {}
-    try:
-        f = open(versionfile_abs, "r")
-        for line in f.readlines():
-            if line.strip().startswith("git_refnames ="):
-                mo = re.search(r'=\s*"(.*)"', line)
-                if mo:
-                    keywords["refnames"] = mo.group(1)
-            if line.strip().startswith("git_full ="):
-                mo = re.search(r'=\s*"(.*)"', line)
-                if mo:
-                    keywords["full"] = mo.group(1)
-            if line.strip().startswith("git_date ="):
-                mo = re.search(r'=\s*"(.*)"', line)
-                if mo:
-                    keywords["date"] = mo.group(1)
-        f.close()
-    except EnvironmentError:
-        pass
-    return keywords
-
-
-@register_vcs_handler("git", "keywords")
-def git_versions_from_keywords(keywords, tag_prefix, verbose):
-    """Get version information from git keywords."""
-    if not keywords:
-        raise NotThisMethod("no keywords at all, weird")
-    date = keywords.get("date")
-    if date is not None:
-        # git-2.2.0 added "%cI", which expands to an ISO-8601 -compliant
-        # datestamp. However we prefer "%ci" (which expands to an "ISO-8601
-        # -like" string, which we must then edit to make compliant), because
-        # it's been around since git-1.5.3, and it's too difficult to
-        # discover which version we're using, or to work around using an
-        # older one.
-        date = date.strip().replace(" ", "T", 1).replace(" ", "", 1)
-    refnames = keywords["refnames"].strip()
-    if refnames.startswith("$Format"):
-        if verbose:
-            print("keywords are unexpanded, not using")
-        raise NotThisMethod("unexpanded keywords, not a git-archive tarball")
-    refs = set([r.strip() for r in refnames.strip("()").split(",")])
-    # starting in git-1.8.3, tags are listed as "tag: foo-1.0" instead of
-    # just "foo-1.0". If we see a "tag: " prefix, prefer those.
-    TAG = "tag: "
-    tags = set([r[len(TAG):] for r in refs if r.startswith(TAG)])
-    if not tags:
-        # Either we're using git < 1.8.3, or there really are no tags. We use
-        # a heuristic: assume all version tags have a digit. The old git %d
-        # expansion behaves like git log --decorate=short and strips out the
-        # refs/heads/ and refs/tags/ prefixes that would let us distinguish
-        # between branches and tags. By ignoring refnames without digits, we
-        # filter out many common branch names like "release" and
-        # "stabilization", as well as "HEAD" and "master".
-        tags = set([r for r in refs if re.search(r'\d', r)])
-        if verbose:
-            print("discarding '%s', no digits" % ",".join(refs - tags))
-    if verbose:
-        print("likely tags: %s" % ",".join(sorted(tags)))
-    for ref in sorted(tags):
-        # sorting will prefer e.g. "2.0" over "2.0rc1"
-        if ref.startswith(tag_prefix):
-            r = ref[len(tag_prefix):]
-            if verbose:
-                print("picking %s" % r)
-            return {"version": r,
-                    "full-revisionid": keywords["full"].strip(),
-                    "dirty": False, "error": None,
-                    "date": date}
-    # no suitable tags, so version is "0+unknown", but full hex is still there
-    if verbose:
-        print("no suitable tags, using unknown + full revision id")
-    return {"version": "0+unknown",
-            "full-revisionid": keywords["full"].strip(),
-            "dirty": False, "error": "no suitable tags", "date": None}
-
-
-@register_vcs_handler("git", "pieces_from_vcs")
-def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command):
-    """Get version from 'git describe' in the root of the source tree.
-
-    This only gets called if the git-archive 'subst' keywords were *not*
-    expanded, and _version.py hasn't already been rewritten with a short
-    version string, meaning we're inside a checked out source tree.
-    """
-    GITS = ["git"]
-    if sys.platform == "win32":
-        GITS = ["git.cmd", "git.exe"]
-
-    out, rc = run_command(GITS, ["rev-parse", "--git-dir"], cwd=root,
-                          hide_stderr=True)
-    if rc != 0:
-        if verbose:
-            print("Directory %s not under git control" % root)
-        raise NotThisMethod("'git rev-parse --git-dir' returned error")
-
-    # if there is a tag matching tag_prefix, this yields TAG-NUM-gHEX[-dirty]
-    # if there isn't one, this yields HEX[-dirty] (no NUM)
-    describe_out, rc = run_command(GITS, ["describe", "--tags", "--dirty",
-                                          "--always", "--long",
-                                          "--match", "%s*" % tag_prefix],
-                                   cwd=root)
-    # --long was added in git-1.5.5
-    if describe_out is None:
-        raise NotThisMethod("'git describe' failed")
-    describe_out = describe_out.strip()
-    full_out, rc = run_command(GITS, ["rev-parse", "HEAD"], cwd=root)
-    if full_out is None:
-        raise NotThisMethod("'git rev-parse' failed")
-    full_out = full_out.strip()
-
-    pieces = {}
-    pieces["long"] = full_out
-    pieces["short"] = full_out[:7]  # maybe improved later
-    pieces["error"] = None
-
-    # parse describe_out. It will be like TAG-NUM-gHEX[-dirty] or HEX[-dirty]
-    # TAG might have hyphens.
-    git_describe = describe_out
-
-    # look for -dirty suffix
-    dirty = git_describe.endswith("-dirty")
-    pieces["dirty"] = dirty
-    if dirty:
-        git_describe = git_describe[:git_describe.rindex("-dirty")]
-
-    # now we have TAG-NUM-gHEX or HEX
-
-    if "-" in git_describe:
-        # TAG-NUM-gHEX
-        mo = re.search(r'^(.+)-(\d+)-g([0-9a-f]+)$', git_describe)
-        if not mo:
-            # unparseable. Maybe git-describe is misbehaving?
-            pieces["error"] = ("unable to parse git-describe output: '%s'"
-                               % describe_out)
-            return pieces
-
-        # tag
-        full_tag = mo.group(1)
-        if not full_tag.startswith(tag_prefix):
-            if verbose:
-                fmt = "tag '%s' doesn't start with prefix '%s'"
-                print(fmt % (full_tag, tag_prefix))
-            pieces["error"] = ("tag '%s' doesn't start with prefix '%s'"
-                               % (full_tag, tag_prefix))
-            return pieces
-        pieces["closest-tag"] = full_tag[len(tag_prefix):]
-
-        # distance: number of commits since tag
-        pieces["distance"] = int(mo.group(2))
-
-        # commit: short hex revision ID
-        pieces["short"] = mo.group(3)
-
-    else:
-        # HEX: no tags
-        pieces["closest-tag"] = None
-        count_out, rc = run_command(GITS, ["rev-list", "HEAD", "--count"],
-                                    cwd=root)
-        pieces["distance"] = int(count_out)  # total number of commits
-
-    # commit date: see ISO-8601 comment in git_versions_from_keywords()
-    date = run_command(GITS, ["show", "-s", "--format=%ci", "HEAD"],
-                       cwd=root)[0].strip()
-    pieces["date"] = date.strip().replace(" ", "T", 1).replace(" ", "", 1)
-
-    return pieces
-
-
-def plus_or_dot(pieces):
-    """Return a + if we don't already have one, else return a ."""
-    if "+" in pieces.get("closest-tag", ""):
-        return "."
-    return "+"
-
-
-def render_pep440(pieces):
-    """Build up version string, with post-release "local version identifier".
-
-    Our goal: TAG[+DISTANCE.gHEX[.dirty]] . Note that if you
-    get a tagged build and then dirty it, you'll get TAG+0.gHEX.dirty
-
-    Exceptions:
-    1: no tags. git_describe was just HEX. 0+untagged.DISTANCE.gHEX[.dirty]
-    """
-    if pieces["closest-tag"]:
-        rendered = pieces["closest-tag"]
-        if pieces["distance"] or pieces["dirty"]:
-            rendered += plus_or_dot(pieces)
-            rendered += "%d.g%s" % (pieces["distance"], pieces["short"])
-            if pieces["dirty"]:
-                rendered += ".dirty"
-    else:
-        # exception #1
-        rendered = "0+untagged.%d.g%s" % (pieces["distance"],
-                                          pieces["short"])
-        if pieces["dirty"]:
-            rendered += ".dirty"
-    return rendered
-
-
-def render_pep440_pre(pieces):
-    """TAG[.post.devDISTANCE] -- No -dirty.
-
-    Exceptions:
-    1: no tags. 0.post.devDISTANCE
-    """
-    if pieces["closest-tag"]:
-        rendered = pieces["closest-tag"]
-        if pieces["distance"]:
-            rendered += ".post.dev%d" % pieces["distance"]
-    else:
-        # exception #1
-        rendered = "0.post.dev%d" % pieces["distance"]
-    return rendered
-
-
-def render_pep440_post(pieces):
-    """TAG[.postDISTANCE[.dev0]+gHEX] .
-
-    The ".dev0" means dirty. Note that .dev0 sorts backwards
-    (a dirty tree will appear "older" than the corresponding clean one),
-    but you shouldn't be releasing software with -dirty anyways.
-
-    Exceptions:
-    1: no tags. 0.postDISTANCE[.dev0]
-    """
-    if pieces["closest-tag"]:
-        rendered = pieces["closest-tag"]
-        if pieces["distance"] or pieces["dirty"]:
-            rendered += ".post%d" % pieces["distance"]
-            if pieces["dirty"]:
-                rendered += ".dev0"
-            rendered += plus_or_dot(pieces)
-            rendered += "g%s" % pieces["short"]
-    else:
-        # exception #1
-        rendered = "0.post%d" % pieces["distance"]
-        if pieces["dirty"]:
-            rendered += ".dev0"
-        rendered += "+g%s" % pieces["short"]
-    return rendered
-
-
-def render_pep440_old(pieces):
-    """TAG[.postDISTANCE[.dev0]] .
-
-    The ".dev0" means dirty.
-
-    Exceptions:
-    1: no tags. 0.postDISTANCE[.dev0]
-    """
-    if pieces["closest-tag"]:
-        rendered = pieces["closest-tag"]
-        if pieces["distance"] or pieces["dirty"]:
-            rendered += ".post%d" % pieces["distance"]
-            if pieces["dirty"]:
-                rendered += ".dev0"
-    else:
-        # exception #1
-        rendered = "0.post%d" % pieces["distance"]
-        if pieces["dirty"]:
-            rendered += ".dev0"
-    return rendered
-
-
-def render_git_describe(pieces):
-    """TAG[-DISTANCE-gHEX][-dirty].
-
-    Like 'git describe --tags --dirty --always'.
-
-    Exceptions:
-    1: no tags. HEX[-dirty]  (note: no 'g' prefix)
-    """
-    if pieces["closest-tag"]:
-        rendered = pieces["closest-tag"]
-        if pieces["distance"]:
-            rendered += "-%d-g%s" % (pieces["distance"], pieces["short"])
-    else:
-        # exception #1
-        rendered = pieces["short"]
-    if pieces["dirty"]:
-        rendered += "-dirty"
-    return rendered
-
-
-def render_git_describe_long(pieces):
-    """TAG-DISTANCE-gHEX[-dirty].
-
-    Like 'git describe --tags --dirty --always -long'.
-    The distance/hash is unconditional.
-
-    Exceptions:
-    1: no tags. HEX[-dirty]  (note: no 'g' prefix)
-    """
-    if pieces["closest-tag"]:
-        rendered = pieces["closest-tag"]
-        rendered += "-%d-g%s" % (pieces["distance"], pieces["short"])
-    else:
-        # exception #1
-        rendered = pieces["short"]
-    if pieces["dirty"]:
-        rendered += "-dirty"
-    return rendered
-
-
-def render(pieces, style):
-    """Render the given version pieces into the requested style."""
-    if pieces["error"]:
-        return {"version": "unknown",
-                "full-revisionid": pieces.get("long"),
-                "dirty": None,
-                "error": pieces["error"],
-                "date": None}
-
-    if not style or style == "default":
-        style = "pep440"  # the default
-
-    if style == "pep440":
-        rendered = render_pep440(pieces)
-    elif style == "pep440-pre":
-        rendered = render_pep440_pre(pieces)
-    elif style == "pep440-post":
-        rendered = render_pep440_post(pieces)
-    elif style == "pep440-old":
-        rendered = render_pep440_old(pieces)
-    elif style == "git-describe":
-        rendered = render_git_describe(pieces)
-    elif style == "git-describe-long":
-        rendered = render_git_describe_long(pieces)
-    else:
-        raise ValueError("unknown style '%s'" % style)
-
-    return {"version": rendered, "full-revisionid": pieces["long"],
-            "dirty": pieces["dirty"], "error": None,
-            "date": pieces.get("date")}
-
-
-def get_versions():
-    """Get version information or return default if unable to do so."""
-    # I am in _version.py, which lives at ROOT/VERSIONFILE_SOURCE. If we have
-    # __file__, we can work backwards from there to the root. Some
-    # py2exe/bbfreeze/non-CPython implementations don't do __file__, in which
-    # case we can only use expanded keywords.
-
-    cfg = get_config()
-    verbose = cfg.verbose
-
-    try:
-        return git_versions_from_keywords(get_keywords(), cfg.tag_prefix,
-                                          verbose)
-    except NotThisMethod:
-        pass
-
-    try:
-        root = os.path.realpath(__file__)
-        # versionfile_source is the relative path from the top of the source
-        # tree (where the .git directory might live) to this file. Invert
-        # this to find the root from __file__.
-        for i in cfg.versionfile_source.split('/'):
-            root = os.path.dirname(root)
-    except NameError:
-        return {"version": "0+unknown", "full-revisionid": None,
-                "dirty": None,
-                "error": "unable to find root of source tree",
-                "date": None}
-
-    try:
-        pieces = git_pieces_from_vcs(cfg.tag_prefix, root, verbose)
-        return render(pieces, cfg.style)
-    except NotThisMethod:
-        pass
-
-    try:
-        if cfg.parentdir_prefix:
-            return versions_from_parentdir(cfg.parentdir_prefix, root, verbose)
-    except NotThisMethod:
-        pass
-
-    return {"version": "0+unknown", "full-revisionid": None,
-            "dirty": None,
-            "error": "unable to compute version", "date": None}

README.md

@@ -1,315 +1,645 @@
-# Advanced Docking System for Qt
-
-[![Build Status](https://travis-ci.org/githubuser0xFFFF/Qt-Advanced-Docking-System.svg?branch=master)](https://travis-ci.org/githubuser0xFFFF/Qt-Advanced-Docking-System)
-[![Build status](https://ci.appveyor.com/api/projects/status/qcfb3cy932jw9mpy/branch/master?svg=true)](https://ci.appveyor.com/project/githubuser0xFFFF/qt-advanced-docking-system/branch/master)
-[![License: LGPL v2.1](https://img.shields.io/badge/License-LGPL%20v2.1-blue.svg)](gnu-lgpl-v2.1.md)
-
-[What's new](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/releases/latest) •
-[Documentation](doc/user-guide.md)
-
-Qt Advanced Docking System lets you create customizable layouts using a full 
-featured window docking system similar to what is found in many popular 
-integrated development environments (IDEs) such as Visual Studio. 
-
-[![Video Advanced Docking](doc/advanced-docking_video.png)](https://www.youtube.com/watch?v=7pdNfafg3Qc)
-
-Everything is implemented with standard Qt functionality without any
-platform specific code. Basic usage of QWidgets and QLayouts and using basic 
-styles as much as possible.
-
-This work is based on and inspired by the 
-[Advanced Docking System for Qt](https://github.com/mfreiholz/Qt-Advanced-Docking-System) 
-from Manuel Freiholz. I did an almost complete rewrite of his code to improve
-code quality, readibility and to fix all issues from the issue tracker 
-of his docking system project.
-
-## Features
-
-### Overview
-
-- [Features](#features)
-  - [Overview](#overview)
-  - [Docking everywhere - no central widget](#docking-everywhere---no-central-widget)
-  - [Docking inside floating windows](#docking-inside-floating-windows)
-  - [Grouped dragging](#grouped-dragging)
-  - [Perspectives for fast switching of the complete main window layout](#perspectives-for-fast-switching-of-the-complete-main-window-layout)
-  - [Opaque and non-opaque splitter resizing](#opaque-and-non-opaque-splitter-resizing)
-  - [Opaque and non-opaque undocking](#opaque-and-non-opaque-undocking)
-  - [Tab-menu for easy handling of many tabbed dock widgets](#tab-menu-for-easy-handling-of-many-tabbed-dock-widgets)
-  - [Many different ways to detach dock widgets](#many-different-ways-to-detach-dock-widgets)
-  - [Supports deletion of dynamically created dock widgets](#supports-deletion-of-dynamically-created-dock-widgets)
-- [Tested Compatible Environments](#tested-compatible-environments)
-  - [Windows](#windows)
-  - [macOS](#macos)
-  - [Linux](#linux)
-- [Build](#build)
-- [Getting started / Example](#getting-started--example)
-- [Developers](#developers)
-- [License information](#license-information)
-- [Alternative Docking System Implementations](#alternative-docking-system-implementations)
-  - [KDDockWidgets](#kddockwidgets)
-  - [QtitanDocking](#qtitandocking)
-- [Donation](#donation)
-- [Showcase](#showcase)
-  - [Qt Creator IDE](#qt-creator-ide)
-  - [Qt Design Studio](#qt-design-studio)
-  - [QmixElements](#qmixelements)
-  - [ezEditor](#ezeditor)
-
-### Docking everywhere - no central widget
-
-There is no central widget like in the Qt docking system. You can dock on every
-border of the main window or you can dock into each dock area - so you are
-free to dock almost everywhere.
-
-![Dropping widgets](doc/preview-dragndrop.png)\
-\
-![Dropping widgets](doc/preview-dragndrop_dark.png)
-
-### Docking inside floating windows
-
-There is no difference between the main window and a floating window. Docking
-into floating windows is supported.
-
-![Docking inside floating windows](doc/floating-widget-dragndrop.png)\
-\
-![Docking inside floating windows](doc/floating-widget-dragndrop_dark.png)
-
-### Grouped dragging
-
-When dragging the titlebar of a dock, all the tabs that are tabbed with it are 
-going to be dragged. So you can move complete groups of tabbed widgets into
-a floating widget or from one dock area to another one.
-
-![Grouped dragging](doc/grouped-dragging.gif)\
-\
-![Grouped dragging](doc/grouped-dragging_dark.png)
-
-### Perspectives for fast switching of the complete main window layout
-
-A perspective defines the set and layout of dock windows in the main
-window. You can save the current layout of the dockmanager into a named
-perspective to make your own custom perspective. Later you can simply
-select a perspective from the perspective list to quickly switch the complete 
-main window layout.
-
-![Perspective](doc/perspectives.gif)\
-\
-![Perspective](doc/perspectives_dark.png)
-
-### Opaque and non-opaque splitter resizing
-
-The advanced docking system uses standard QSplitters as resize separators and thus supports opaque and non-opaque resizing functionality of QSplitter. In some rare cases, for very complex widgets or on slow machines resizing via separator on the fly may cause flicking and glaring of rendered content inside a widget. The global dock manager flag `OpaqueSplitterResize` configures the resizing behaviour of the splitters. If this flag is set, then widgets are resized dynamically (opaquely) while interactively moving the splitters. 
-
-![Opaque resizing](doc/opaque_resizing.gif)
-
-If this flag is cleared, the widget resizing is deferred until the mouse button is released - this is some kind of lazy resizing separator.
-
-![Non-opaque resizing](doc/non_opaque_resizing.gif)
-
-### Opaque and non-opaque undocking
-
-By default, opaque undocking is active. That means, as soon as you drag a dock widget or a dock area with a number of dock widgets it will be undocked and moved into a floating widget and then the floating widget will be dragged around. That means undocking will take place immediatelly. You can compare this with opaque splitter resizing. If the flag `OpaqueUndocking` is cleared, then non-opaque undocking is active. In this mode, undocking is more like a standard drag and drop operation. That means, the dragged dock widget or dock area is not undocked immediatelly. Instead, a drag preview widget is created and dragged around to indicate the future position of the dock widget or dock area. The actual dock operation is only executed when the mouse button is released. That makes it possible, to cancel an active drag operation with the escape key.
-
-The drag preview widget can be configured by a number of global dock manager flags:
-- `DragPreviewIsDynamic`: if this flag is enabled, the preview will be adjusted dynamically to the drop area
-- `DragPreviewShowsContentPixmap`: the created drag preview window shows a static copy of the content of the dock widget / dock are that is dragged
-- `DragPreviewHasWindowFrame`: this flag configures if the drag preview is frameless like a QRubberBand or looks like a real window
-
-The best way to test non-opaque undocking is to set the standard flags: `CDockManager::setConfigFlags(CDockManager::DefaultNonOpaqueConfig)`.
-
-### Tab-menu for easy handling of many tabbed dock widgets
-
-Tabs are a good way to quickly switch between dockwidgets in a dockarea. However, if the number of dockwidgets in a dockarea is too large, this may affect the usability of the tab bar. To keep track in this situation, you can use the tab menu. The menu allows you to quickly select the dockwidget you want to activate from a drop down menu.
-
-![Tab menu](doc/tab_menu.gif)
-
-### Many different ways to detach dock widgets
-
-You can detach dock widgets and also dock areas in the following ways:
-
-- by dragging the dock widget tab or the dock area title bar
-- by double clicking the tab or title bar
-- by using the detach menu entry from the tab and title bar drop down menu
-
-### Supports deletion of dynamically created dock widgets
-
-Normally clicking the close button of a dock widget will just hide the widget and the user can show it again using the toggleView() action of the dock widget. This is meant for user interfaces with a static amount of widgets. But the advanced docking system also supports dynamic dock widgets that will get deleted on close. If you set the dock widget flag `DockWidgetDeleteOnClose` for a certain dock widget, then it will be deleted as soon as you close this dock widget. This enables the implementation of user interfaces with dynamically created editors, like in word processing applications or source code development tools.
-
-## Tested Compatible Environments
-
-### Windows
-
-Windows 10 [![Build status](https://ci.appveyor.com/api/projects/status/qcfb3cy932jw9mpy/branch/master?svg=true)](https://ci.appveyor.com/project/githubuser0xFFFF/qt-advanced-docking-system/branch/master)
-
-The library was developed on and for Windows. It is used in a commercial Windows application and is therefore constantly tested.
-
-### macOS
-
-macOS [![Build Status](https://travis-ci.org/githubuser0xFFFF/Qt-Advanced-Docking-System.svg?branch=master)](https://travis-ci.org/githubuser0xFFFF/Qt-Advanced-Docking-System)
-
-The application can be compiled for macOS. A user reported, that the library works on macOS. If have not tested it.
-
-![Advanced Docking on macOS](doc/macos.png)
-
-### Linux
-
-Ubuntu [![Build Status](https://travis-ci.org/githubuser0xFFFF/Qt-Advanced-Docking-System.svg?branch=master)](https://travis-ci.org/githubuser0xFFFF/Qt-Advanced-Docking-System)
-[![Build status](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/workflows/linux-builds/badge.svg)](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/actions?query=workflow%3Alinux-builds)
-
-The application can be compiled for Linux and has been developed and tested with **Kubuntu 18.04** and **Kubuntu 19.10**.
-
-![Advanced Docking on Kubuntu Linux](doc/linux_kubuntu_1804.png)
-
-and with **Ubuntu 19.10**
-
-![Advanced Docking on Ubuntu Linux](doc/linux_ubuntu_1910.png)
-
-## Build
-
-Open the `ads.pro` with QtCreator and start the build, that's it.
-You can run the demo project and test it yourself.
-
-## Getting started / Example
-
-The following example shows the minimum code required to use the advanced Qt docking system.
-
-*MainWindow.h*
-
-```cpp
-#include <QMainWindow>
-#include "DockManager.h"
-
-namespace Ui {
-class MainWindow;
-}
-
-class MainWindow : public QMainWindow
-{
-    Q_OBJECT
-
-public:
-    explicit MainWindow(QWidget *parent = 0);
-    ~MainWindow();
-
-private:
-    Ui::MainWindow *ui;
-    
-    // The main container for docking
-    ads::CDockManager* m_DockManager;
-};
-```
-
-*MainWindow.cpp*
-
-```cpp
-#include "MainWindow.h"
-#include "ui_MainWindow.h"
-
-#include <QLabel>
-
-MainWindow::MainWindow(QWidget *parent) :
-    QMainWindow(parent),
-    ui(new Ui::MainWindow)
-{
-    ui->setupUi(this);
-
-    // Create the dock manager. Because the parent parameter is a QMainWindow
-    // the dock manager registers itself as the central widget.
-    m_DockManager = new ads::CDockManager(this);
-
-    // Create example content label - this can be any application specific
-    // widget
-    QLabel* l = new QLabel();
-    l->setWordWrap(true);
-    l->setAlignment(Qt::AlignTop | Qt::AlignLeft);
-    l->setText("Lorem ipsum dolor sit amet, consectetuer adipiscing elit. ");
-
-    // Create a dock widget with the title Label 1 and set the created label
-    // as the dock widget content
-    ads::CDockWidget* DockWidget = new ads::CDockWidget("Label 1");
-    DockWidget->setWidget(l);
-
-    // Add the toggleViewAction of the dock widget to the menu to give
-    // the user the possibility to show the dock widget if it has been closed
-    ui->menuView->addAction(DockWidget->toggleViewAction());
-
-    // Add the dock widget to the top dock widget area
-    m_DockManager->addDockWidget(ads::TopDockWidgetArea, DockWidget);
-}
-
-MainWindow::~MainWindow()
-{
-    delete ui;
-}
-```
-
-## Developers
-
-- Uwe Kindler, Project Maintainer
-- Manuel Freiholz 
-
-## License information
-
-[![License: LGPL v2.1](https://img.shields.io/badge/License-LGPL%20v2.1-blue.svg)](gnu-lgpl-v2.1.md)
-This project uses the [LGPLv2.1 license](gnu-lgpl-v2.1.md)
-
-
-## Alternative Docking System Implementations
-
-If this Qt Advanced Docking System does not fit to your needs you may consider some of the alternative docking system solutions for Qt.
-
-### KDDockWidgets
-
-This is an advanced docking framework for Qt from [KDAB](https://www.kdab.com/). The interesting thing is, that they separated GUI code from logic, so they can easily provide a QtQuick backend in the future.
-
-- [Blog post about KDDockWidgets](https://www.kdab.com/kddockwidgets/)
-- [GitHub project](https://github.com/KDAB/KDDockWidgets)
-
-
-### QtitanDocking
-
-This is a commercial component from [Developer Machines](https://www.devmachines.com/) for Qt Framework that allows to create a Microsoft like dockable user interface. They also offer a lot of other interesting and useful components for Qt.
-
-- [Product page](https://www.devmachines.com/qtitandocking-overview.html)
-
-## Donation
-
-If this project help you reduce time to develop or if you just like it, you can give me a cup of coffee :coffee::wink:.
-
-<a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=85R64TMMSY9T6">
-  <img src="doc/donate.png" alt="Donate with PayPal" width="160"/>
-</a>
-
-## Showcase
-
-### [Qt Creator IDE](https://www.qt.io/development-tools)
-
-From version 4.12 on, Qt Creator uses the Advanced Docking Framework for its
-Qt Quick Designer. This improves the usability when using multiple screens.
-
-![Qt Creator](doc/qtcreator.png)
-
-### [Qt Design Studio](https://www.qt.io/ui-design-tools)
-
-Taken from the [Qt Blog](https://www.qt.io/blog/qt-design-studio-1.5-beta-released):
-
-> The most obvious change in [Qt Design Studio 1.5](https://www.qt.io/blog/qt-design-studio-1.5-beta-released) is the integration of dock widgets using the Qt Advanced Docking System. This allows the user to fully customize the workspace and also to undock any view into its own top level window. This especially improves the usability when using multiple screens.
-
-![Qt Design Studio](doc/qt_design_studio.png)
-
-### [QmixElements](https://www.cetoni.com/products/qmixelements/)
-
-The QmixElements software from [CETONI](https://www.cetoni.com) is a comprehensive, 
-plugin-based and modular laboratory automation software for controlling CETONI devices using a joint graphical user interface. The software features a powerful script system to automate processes. This [blog post](https://www.cetoni.com/blog/qmixelements-advanced-docking-system/) gives a nice overview about the use of the Qt
-Advanced Docking System in the QmixElements sofware.
-
-![QmixElements](doc/qmix_elements.png)
-
-### [ezEditor](https://github.com/ezEngine/ezEngine)
-
-The ezEditor is a full blown graphical editor used for editing scenes and
-importing and authoring assets for the [ezEngine](https://github.com/ezEngine/ezEngine) -
-an open source C++ game engine in active development.
-
-![ezEditor](doc/ezEngine_editor.png)
+![ukraine](doc/ukraine.jpg)
+
+![logo](doc/ads_logo.svg)
+
+------------------
+
+[![GitHub release (latest by date)](https://img.shields.io/github/v/release/githubuser0xFFFF/Qt-Advanced-Docking-System?color=%23ff9833)](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/releases/latest)
+[![License: LGPL v2.1](https://img.shields.io/badge/License-LGPL%20v2.1-blue.svg)](gnu-lgpl-v2.1.md)
+[![Build status](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/workflows/linux-builds/badge.svg)](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/actions?query=workflow%3Alinux-builds)
+[![Build status](https://ci.appveyor.com/api/projects/status/qcfb3cy932jw9mpy/branch/master?svg=true)](https://ci.appveyor.com/project/githubuser0xFFFF/qt-advanced-docking-system/branch/master)
+[![GitHub contributors](https://img.shields.io/github/contributors/githubuser0xFFFF/Qt-Advanced-Docking-System?color=ffdf00)](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/graphs/contributors)
+
+Qt Advanced Docking System lets you create customizable layouts using a full
+featured window docking system similar to what is found in many popular
+integrated development environments (IDEs) such as Visual Studio.
+
+- [What's new...](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/releases/latest)
+- [Documentation](doc/user-guide.md)
+- Original Repository: https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System
+
+[![Video Advanced Docking](doc/advanced-docking_video.png)](https://www.youtube.com/watch?v=7pdNfafg3Qc)
+
+## New and Noteworthy
+
+The [release 4.0](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/releases/latest)
+adds the following features:
+
+- Auto-Hide functionality ([read more...](#auto-hide-functionality))
+
+![Auto Hide Functionality](doc/AutoHide_Animation.gif)
+
+- improved demo application with new image viewer dock widgets
+  
+![Auto Hide Functionality](doc/Feature_ImageViewer.png)
+
+- Visual Studio like CSS theme in demo application
+
+The [release 3.8](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/releases/3.8.3)
+adds the following features:
+
+- option to close tabs with the middle mouse button
+- `DeleteContentOnClose` flag for dynamic deletion and creation of dock widget
+  content
+- improved focus highlighting functionality
+
+The [release 3.7](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/releases/tag/3.7.2)
+adds the following features:
+
+- support for **Qt6.**
+- support for [empty dock area](doc/user-guide.md#empty-dock-area)
+
+The [release 3.6](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/releases/tag/3.6.3)
+adds some nice new features:
+
+- support for [central widget](doc/user-guide.md#central-widget) concept
+
+![Central Widget](doc/central_widget.gif)
+
+- support for [native floating widgets](doc/user-guide.md#floatingcontainerforcenativetitlebar-linux-only) on Linux
+
+![FloatingContainerForceNativeTitleBar true](doc/cfg_flag_FloatingContainerForceNativeTitleBar_true.png)
+
+Both features are contributions from ADS users. Read the [documentation](doc/user-guide.md)
+to learn more about both new features.
+
+The [release 3.5](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/releases/tag/3.5.0)
+adds the new [focus highlighting](doc/user-guide.md#focushighlighting) feature.
+This optional feature enables highlighting of the focused dock widget like you
+know it from Visual Studio.
+
+![FocusHighlighting](doc/cfg_flag_FocusHighlighting.gif)
+
+ [learn more...](doc/user-guide.md#focushighlighting)
+
+## Features
+
+### Overview
+
+- [New and Noteworthy](#new-and-noteworthy)
+- [Features](#features)
+  - [Overview](#overview)
+  - [Docking everywhere - no central widget](#docking-everywhere---no-central-widget)
+  - [Docking inside floating windows](#docking-inside-floating-windows)
+  - [Grouped dragging](#grouped-dragging)
+  - [Perspectives for fast switching of the complete main window layout](#perspectives-for-fast-switching-of-the-complete-main-window-layout)
+  - [Opaque and non-opaque splitter resizing](#opaque-and-non-opaque-splitter-resizing)
+  - [Cancelable docking process](#cancelable-docking-process)
+  - [Tab-menu for easy handling of many tabbed dock widgets](#tab-menu-for-easy-handling-of-many-tabbed-dock-widgets)
+  - [Many different ways to detach dock widgets](#many-different-ways-to-detach-dock-widgets)
+  - [Supports deletion of dynamically created dock widgets](#supports-deletion-of-dynamically-created-dock-widgets)
+  - [Auto-Hide Functionality](#auto-hide-functionality)
+- [Python Bindings](#python-bindings)
+  - [PySide6](#pyside6)
+  - [PyQt5](#pyqt5)
+- [Tested Compatible Environments](#tested-compatible-environments)
+  - [Supported Qt Versions](#supported-qt-versions)
+  - [Windows](#windows)
+  - [macOS](#macos)
+  - [Linux](#linux)
+- [Build](#build)
+  - [Qt5 on Ubuntu 18.04 or 20.04](#qt5-on-ubuntu-1804-or-2004)
+  - [Qt5 on Ubuntu 22.04](#qt5-on-ubuntu-2204)
+  - [Qt6 on Ubuntu 22.04](#qt6-on-ubuntu-2204)
+- [Getting started / Example](#getting-started--example)
+- [License information](#license-information)
+- [Donation](#donation)
+- [Showcase](#showcase)
+  - [Qt Creator IDE](#qt-creator-ide)
+  - [Qt Design Studio](#qt-design-studio)
+  - [CETONI Elements](#cetoni-elements)
+  - [ezEditor](#ezeditor)
+  - [D-Tect X](#d-tect-x)
+  - [HiveWE](#hivewe)
+  - [Ramses Composer](#ramses-composer)
+  - [Plot Juggler](#plot-juggler)
+  - [Notepad Next](#notepad-next)
+  - [MetGem](#metgem)
+  - [PRE Workbench](#pre-workbench)
+  - [RDE – Robox Development Environment](#rde--robox-development-environment)
+  - [ResInsight](#resinsight)
+  - [ADTF 3](#adtf-3)
+  - [DREAM.3D NX](#dream3d-nx)
+  - [LabPlot](#labplot)
+- [Alternative Docking System Implementations](#alternative-docking-system-implementations)
+  - [KDDockWidgets](#kddockwidgets)
+  - [QtitanDocking](#qtitandocking)
+  - [DockingPanes](#dockingpanes)
+
+### Docking everywhere - no central widget
+
+There is no central widget like in the Qt docking system. You can dock on every
+border of the main window or you can dock into each dock area - so you are
+free to dock almost everywhere.
+
+![Dropping widgets](doc/preview-dragndrop.png)
+
+![Dropping widgets](doc/preview-dragndrop_dark.png)
+
+### Docking inside floating windows
+
+There is no difference between the main window and a floating window. Docking
+into floating windows is supported.
+
+![Docking inside floating windows](doc/floating-widget-dragndrop.png)
+
+![Docking inside floating windows](doc/floating-widget-dragndrop_dark.png)
+
+### Grouped dragging
+
+When dragging the titlebar of a dock, all the tabs that are tabbed with it are 
+going to be dragged. So you can move complete groups of tabbed widgets into
+a floating widget or from one dock area to another one.
+
+![Grouped dragging](doc/grouped-dragging.gif)
+
+![Grouped dragging](doc/grouped-dragging_dark.png)
+
+### Perspectives for fast switching of the complete main window layout
+
+A perspective defines the set and layout of dock windows in the main
+window. You can save the current layout of the dockmanager into a named
+perspective to make your own custom perspective. Later you can simply
+select a perspective from the perspective list to quickly switch the complete 
+main window layout.
+
+![Perspective](doc/perspectives.gif)
+
+![Perspective](doc/perspectives_dark.png)
+
+### Opaque and non-opaque splitter resizing
+
+The advanced docking system uses standard QSplitters as resize separators and thus supports opaque and non-opaque resizing functionality of QSplitter. In some rare cases, for very complex widgets or on slow machines resizing via separator on the fly may cause flicking and glaring of rendered content inside a widget. The global dock manager flag `OpaqueSplitterResize` configures the resizing behaviour of the splitters. If this flag is set, then widgets are resized dynamically (opaquely) while interactively moving the splitters.
+
+![Opaque resizing](doc/opaque_resizing.gif)
+
+If this flag is cleared, the widget resizing is deferred until the mouse button is released - this is some kind of lazy resizing separator.
+
+![Non-opaque resizing](doc/non_opaque_resizing.gif)
+
+### Cancelable docking process
+
+In contrast to the standard Qt docking system, docking with the ADS works more like a drag & drop operation. That means, the dragged dock widget or dock area is not undocked immediately. Instead, a drag preview widget is created and dragged around to indicate the future position of the dock widget or dock area. The actual dock operation is only executed when the mouse button is released. That makes it possible, to cancel an active drag operation with the escape key.
+
+The drag preview widget can be configured by a number of global dock manager flags:
+- `DragPreviewIsDynamic`: if this flag is enabled, the preview will be adjusted dynamically to the drop area
+- `DragPreviewShowsContentPixmap`: the created drag preview window shows a static copy of the content of the dock widget / dock are that is dragged
+- `DragPreviewHasWindowFrame`: this flag configures if the drag preview is frameless like a QRubberBand or looks like a real window
+
+### Tab-menu for easy handling of many tabbed dock widgets
+
+Tabs are a good way to quickly switch between dockwidgets in a dockarea. However, if the number of dockwidgets in a dockarea is too large, this may affect the usability of the tab bar. To keep track in this situation, you can use the tab menu. The menu allows you to quickly select the dockwidget you want to activate from a drop down menu.
+
+![Tab menu](doc/tab_menu.gif)
+
+### Many different ways to detach dock widgets
+
+You can detach dock widgets and also dock areas in the following ways:
+
+- by dragging the dock widget tab or the dock area title bar
+- by double clicking the tab or title bar
+- by using the detach menu entry from the tab and title bar drop down menu
+
+### Supports deletion of dynamically created dock widgets
+
+Normally clicking the close button of a dock widget will just hide the widget and the user can show it again using the toggleView() action of the dock widget. This is meant for user interfaces with a static amount of widgets. But the advanced docking system also supports dynamic dock widgets that will get deleted on close. If you set the dock widget flag `DockWidgetDeleteOnClose` for a certain dock widget, then it will be deleted as soon as you close this dock widget. This enables the implementation of user interfaces with dynamically created editors, like in word processing applications or source code development tools.
+
+### Auto-Hide Functionality
+
+The 4.0 release of ADS added the new **Auto-Hide** feature. Thanks to the
+[initial contribution](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/pull/452) by [Ahmad Syarifuddin](https://github.com/SyarifFakhri) it was
+possible to close this long standing [feature request](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/issues/147). The "Auto Hide" feature
+allows to display more information using less screen space by hiding or showing
+windows pinned to one of the four dock container borders.
+
+![Auto-Hide Movie](doc/AutoHide_Movie.gif)
+
+The Advanced Docking
+System supports "Auto-Hide" functionality for **all** dock containers - that means,
+for the main window and for each floating widget. Here is short list of all
+auto hide features:
+
+- supported for the main window and all floating dock containers
+- supports showing and hiding via mouse click or mouse hover
+- respects opaque / non opaque splitter resizing flag
+- context menu for pinning a dock widget or a complete dock area to a certain border
+- configuration option to configure if the pin button should pin the current
+  dock widget tab or a complete dock area
+- click the pin button holding the Ctrl key to pin a complete dock area
+- fully CSS styleable
+- backward compatible state file format - is is possible to load older dock manager
+  state files without auto hide support and older versions can load the new state
+  files with Auto-Hide state information
+
+More about the auto hide configuration options in the [online documentation...](doc/user-guide.md#auto-hide-configuration-flags)
+
+## Python Bindings
+
+![Python Logo](doc/python_logo.png)
+
+Thanks to the contribution of several users, the Advanced Docking System comes
+with a complete Python integration. Python bindings are available for **PyQt5** and
+**PySide6**.
+
+### PySide6
+
+A PySide6 ADS package is available via PyPi and can be installed on Windows,
+macOS, and Linux with:
+
+```bash
+pip install PySide6-QtAds
+```
+
+Sample code is available [here](https://github.com/mborgerson/Qt-Advanced-Docking-System/tree/pyside6/examples). To run the samples, you'll also need to install latest qtpy
+from source (pip install https://github.com/spyder-ide/qtpy/archive/refs/heads/master.zip).
+The PySide6 bindings were contributed by:
+
+- [mborgerson](https://github.com/mborgerson)
+
+Please file PySide6-QtAds-specific issues on its [pyside6_qtads](https://github.com/mborgerson/pyside6_qtads) fork for tracking. For more information about the PySide6 bindings read [this](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/issues/298) issue.
+
+### PyQt5
+
+A package is available via [conda-forge](https://github.com/conda-forge/pyqtads-feedstock).
+The python integration has been contributed to this project by the following people:
+
+- [n-elie](https://github.com/n-elie)
+- [Hugo Slepicka](https://github.com/hhslepicka)
+- [K Lauer](https://github.com/klauer)
+
+A Python integration is also available via PyPi. You can install the
+[PyQtAds](https://pypi.org/project/PyQtAds/) package via pip. This feature has been
+contributed to this project by:
+
+- [Mira Weller](https://github.com/luelista)
+
+## Tested Compatible Environments
+
+### Supported Qt Versions
+
+The library supports **Qt5** and **Qt6**.
+
+### Windows
+
+Windows 10 [![Build status](https://ci.appveyor.com/api/projects/status/qcfb3cy932jw9mpy/branch/master?svg=true)](https://ci.appveyor.com/project/githubuser0xFFFF/qt-advanced-docking-system/branch/master)
+
+The library was developed on and for Windows. It is used in a commercial Windows application and is therefore constantly tested.
+
+### macOS
+
+macOS [![Build Status](https://travis-ci.org/githubuser0xFFFF/Qt-Advanced-Docking-System.svg?branch=master)](https://travis-ci.org/githubuser0xFFFF/Qt-Advanced-Docking-System)
+
+The application can be compiled for macOS. A user reported, that the library works on macOS. If have not tested it.
+
+![Advanced Docking on macOS](doc/macos.png)
+
+### Linux
+
+[![Build Status](https://travis-ci.org/githubuser0xFFFF/Qt-Advanced-Docking-System.svg?branch=master)](https://travis-ci.org/githubuser0xFFFF/Qt-Advanced-Docking-System)
+[![Build status](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/workflows/linux-builds/badge.svg)](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/actions?query=workflow%3Alinux-builds)
+
+Unfortunately, there is no such thing as a Linux operating system. Linux is a heterogeneous environment with a variety of different distributions. So it is not possible to support "Linux" like this is possible for Windows. It is only possible to support and test a small subset of Linux distributions. The library can be compiled for and has been developed and tested with the some Linux distributions. Depending on the used window manager or compositor, dock widgets
+with native title bars are supported or not. If native title bars are not supported,
+the library switches to `QWidget` based title bars.
+
+- **Kubuntu 18.04 and 19.10** - uses KWin - no native title bars
+- **Ubuntu 18.04, 19.10 and 20.04** - native title bars are supported
+- **Ubuntu 22.04** - uses Wayland -> no native title bars
+
+There are some requirements for the Linux distribution that have to be met:
+
+- an X server that supports ARGB visuals and a compositing window manager. This is required to display the translucent dock overlays ([https://doc.qt.io/qt-5/qwidget.html#creating-translucent-windows](https://doc.qt.io/qt-5/qwidget.html#creating-translucent-windows)). If your Linux distribution does not support this, or if you disable this feature, you will very likely see issue [#95](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/issues/95).
+- Wayland is not properly supported by Qt yet. If you use Wayland, then you should set the session type to x11: `XDG_SESSION_TYPE=x11 ./AdvancedDockingSystemDemo`. You will find more details about this in issue [#288](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/issues/288).
+
+Screenshot Kubuntu:
+![Advanced Docking on Kubuntu Linux](doc/linux_kubuntu_1804.png)
+
+Screenshot Ubuntu:
+![Advanced Docking on Ubuntu Linux](doc/linux_ubuntu_1910.png)
+
+## Build
+
+The Linux build requires private header files. Make sure that they are installed.
+The library uses SVG icons, so ensure that Qt SVG support is installed.
+
+### Qt5 on Ubuntu 18.04 or 20.04
+
+```bash
+sudo apt install qt5-default qtbase5-private-dev
+```
+
+### Qt5 on Ubuntu 22.04
+
+```bash
+sudo apt install qtbase5-dev qtbase5-private-dev qtbase5-dev-tools libqt5svg5
+```
+
+### Qt6 on Ubuntu 22.04
+
+```bash
+sudo apt install qt6-base-dev qt6-base-private-dev qt6-tools-dev libqt6svg6
+```
+
+Open the `ads.pro` file with QtCreator and start the build, that's it.
+You can run the demo project and test it yourself.
+
+## Getting started / Example
+
+The following example shows the minimum code required to use the advanced Qt docking system.
+
+*MainWindow.h*
+
+```cpp
+#include <QMainWindow>
+#include "DockManager.h"
+
+namespace Ui {
+class MainWindow;
+}
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit MainWindow(QWidget *parent = 0);
+    ~MainWindow();
+
+private:
+    Ui::MainWindow *ui;
+    
+    // The main container for docking
+    ads::CDockManager* m_DockManager;
+};
+```
+
+*MainWindow.cpp*
+
+```cpp
+#include "MainWindow.h"
+#include "ui_MainWindow.h"
+
+#include <QLabel>
+
+MainWindow::MainWindow(QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::MainWindow)
+{
+    ui->setupUi(this);
+
+    // Create the dock manager after the ui is setup. Because the
+    // parent parameter is a QMainWindow the dock manager registers
+    // itself as the central widget as such the ui must be set up first.
+    m_DockManager = new ads::CDockManager(this);
+
+    // Create example content label - this can be any application specific
+    // widget
+    QLabel* l = new QLabel();
+    l->setWordWrap(true);
+    l->setAlignment(Qt::AlignTop | Qt::AlignLeft);
+    l->setText("Lorem ipsum dolor sit amet, consectetuer adipiscing elit. ");
+
+    // Create a dock widget with the title Label 1 and set the created label
+    // as the dock widget content
+    ads::CDockWidget* DockWidget = new ads::CDockWidget("Label 1");
+    DockWidget->setWidget(l);
+
+    // Add the toggleViewAction of the dock widget to the menu to give
+    // the user the possibility to show the dock widget if it has been closed
+    ui->menuView->addAction(DockWidget->toggleViewAction());
+
+    // Add the dock widget to the top dock widget area
+    m_DockManager->addDockWidget(ads::TopDockWidgetArea, DockWidget);
+}
+
+MainWindow::~MainWindow()
+{
+    delete ui;
+}
+```
+
+## License information
+
+[![License: LGPL v2.1](https://img.shields.io/badge/License-LGPL%20v2.1-blue.svg)](gnu-lgpl-v2.1.md)
+This project uses the [LGPLv2.1 license](gnu-lgpl-v2.1.md)
+
+## Donation
+
+If this project help you reduce time to develop or if you just like it, you can give me a cup of coffee :coffee::wink:.
+
+<a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=85R64TMMSY9T6">
+  <img src="doc/donate.png" alt="Donate with PayPal" width="160"/>
+</a>
+
+## Showcase
+
+### [Qt Creator IDE](https://www.qt.io/development-tools)
+
+From version 4.12 on, Qt Creator uses the Advanced Docking Framework for its
+Qt Quick Designer. This improves the usability when using multiple screens.
+
+![Qt Creator](doc/showcase_qtcreator.png)
+
+### [Qt Design Studio](https://www.qt.io/ui-design-tools)
+
+Taken from the [Qt Blog](https://www.qt.io/blog/qt-design-studio-1.5-beta-released):
+
+> The most obvious change in [Qt Design Studio 1.5](https://www.qt.io/blog/qt-design-studio-1.5-beta-released) is the integration of dock widgets using the Qt Advanced Docking System. This allows the user to fully customize the workspace and also to undock any view into its own top level window. This especially improves the usability when using multiple screens.
+
+[![Qt Design Studio](doc/showcase_qt_design_studio_video.png)](https://youtu.be/za9KBWcFXEw?t=84)
+
+### [CETONI Elements](https://cetoni.com/cetoni-elements/)
+
+The CETONI Elements software from [CETONI](https://www.cetoni.com) is a comprehensive,
+plugin-based and modular laboratory automation software for controlling CETONI devices using a joint graphical user interface. The software features a powerful script system to automate processes. The software uses the advanced docking system to give the user the freedom to arrange all the views and windows that are provided by the various plugins.
+
+[learn more...](https://cetoni.com/cetoni-elements/)
+
+[![CETONI_Elements](doc/showcase_qmix_elements.png)](https://www.youtube.com/watch?v=7pdNfafg3Qc)
+
+### [ezEditor](https://github.com/ezEngine/ezEngine)
+
+The ezEditor is a full blown graphical editor used for editing scenes and
+importing and authoring assets for the [ezEngine](https://github.com/ezEngine/ezEngine) -
+an open source C++ game engine in active development.
+
+![ezEditor](doc/showcase_ezEngine_editor.png)
+
+### [D-Tect X](https://www.duerr-ndt.com/products/ndt-software/d-tect-xray-inspection-software.html)
+
+D-Tect X is a X-ray inspection software for industrial radiography. It is a state-of-the-art 64-bit application which supports GPU (Graphics Processing Unit) acceleration and takes full advantage of computers with multiple CPU cores. A large set of tools assist the user in image analysis and evaluation. Thanks to the Qt Advanced Docking System the flexible and intuitive user interface can be completely customized to  each user’s preference.
+
+[learn more...](https://www.duerr-ndt.com/products/ndt-software/d-tect-xray-inspection-software.html)
+
+[![D-TectX](doc/showcase_d-tect-x.png)](https://youtu.be/mOor7GmmIJo?t=13)
+
+### [HiveWE](https://github.com/stijnherfst/HiveWE)
+
+HiveWE is a Warcraft III world editor. It focusses on speed and ease of use,
+especially for large maps where the regular World Editor is often too slow and clunky.
+It has a JASS editor with syntax highlighting, tabs, code completion and more.
+The JASS editor uses the Qt Advanced Docking System for the management and layout
+of the open editor windows.
+
+[learn more...](https://github.com/stijnherfst/HiveWE)
+
+![HiveWE](doc/showcase_hivewe.png)
+
+### [Ramses Composer](https://github.com/GENIVI/ramses-composer)
+
+Ramses Composer is the authoring tool for the open source [RAMSES](https://github.com/GENIVI/ramses)
+rendering ecosystem.
+
+Ramses is a low-level rendering engine which is optimized for embedded hardware
+mobile devices, automotive ECUs, IoT electronics. Ramses was initially developed
+at the BMW Group and open-sourced in 2018 as part of a collaboration initiative
+with the Genivi Alliance. It is an important part of the BMW infotainment cluster
+and digital portfolio.
+
+[learn more...](https://github.com/GENIVI/ramses-composer)
+
+![RamsesComposer](doc/showcase_ramses_composer.png)
+
+### [Plot Juggler](https://github.com/facontidavide/PlotJuggler)
+
+PlotJuggler is a fast, powerful and intuitive tool to visualize time series.
+It makes it easy to visualize data but also to analyze it. You can manipulate
+your time series using a simple and extendable Transform Editor. Some of the
+highlights are:
+
+- Simple Drag & Drop user interface.
+- Load data from file.
+- Connect to live streaming of data.
+- Save the visualization layout and configurations to re-use them later.
+- Fast OpenGL visualization.
+- Can handle thousands of timeseries and millions of data points.
+- Transform your data using a simple editor: derivative, moving average, integral, etc…
+- PlotJuggler can be easily extended using plugins.
+
+[read more...](https://github.com/facontidavide/PlotJuggler)
+
+[![Plot Juggler](doc/showcase_plot_juggler.png)](https://vimeo.com/480588113#t=46s)
+
+### [Notepad Next](https://github.com/dail8859/NotepadNext)
+
+Notepad Next is a cross-platform reimplementation of Notepad++ that uses the 
+Advanced Docking System to arrange the open source files on the screen.
+
+[read more...](https://github.com/dail8859/NotepadNext)
+
+![NotepadNext](doc/showcase_notepad_next.png)
+
+### [MetGem](https://metgem.github.io/)
+
+MetGem is an open-source software for tandem mass-spectrometry data visualization.
+It's key features are standalone molecular networking and t-SNE based projections.
+MetGem uses the Qt-Advanced-Docking-System to manage docks and to create independent
+molecular network views.
+
+[read more...](https://metgem.github.io/)
+
+![MetGem](doc/showcase_metgem.png)
+
+### [PRE Workbench](https://luelista.github.io/pre_workbench/)
+
+Protocol Reverse Engineering Workbench is a software to support researchers in reverse engineering protocols and documenting the results. It supports various sources to import protocol traffic from, helps the discovery process by displaying different views and heuristic-based highlighting on data, and aids in documenting and sharing findings.
+
+PRE Workbench is a Python software and uses the ADS PyQt integration.
+
+[read more...](https://luelista.github.io/pre_workbench/)
+
+[![PRE Workbench](doc/showcase_pre_workbench.png)](https://youtu.be/U3op5UreV1Q)
+
+### [RDE – Robox Development Environment](https://www.robox.it/en/product/rde-robox-development-environment/)
+
+This software is a development environment for PAC (Programmable Automation Controllers)
+from ROBOX. It offers a lot of tools to write, compile and debug machine control
+and application software. The Advanced Docking System helps to organize all the tools and
+windows (Project window, Shell window, Monitor windows, Oscilloscope window...)
+on the screen to provide a easy to use, highly configurable and visual pleasing
+development experience.
+
+[read more...](https://www.robox.it/en/product/rde-robox-development-environment/)
+
+![RDE](doc/showcase_robox_ide.png)
+
+### [ResInsight](https://www.ceetronsolutions.com/projects/resinsight)
+
+ResInsight as a software from Ceetron Solutions for visualization of oil and
+gas reservoir simulation data. It allows reservoir models, simulation results,
+and measurements to be visualized with very high performance. Optimized use of
+graphics technology and simultaneous processing on multiple CPU cores have been
+vital to enhance the performance and capacity of ResInsight for large data sets.
+The Advanced Docking System has empowered Ceetron to build a much more intuitive
+user interface for its ResInsight users.
+
+[read more...](https://resinsight.org/)
+
+[![ResInsight](doc/showcase_resinsight.png)](https://www.youtube.com/watch?v=HzLaQ1p6AUc)
+
+### [ADTF 3](https://www.digitalwerk.net/adtf/)
+
+The Automotive Data and Time-Triggered Framework was designed as a Rapid Prototyping Toolset, Simulation Framework and Test- and Measurement Tool. It is meant for:
+
+- Developing and testing ADAS and HAD components
+- Recording of vehicle data for visualisation
+- Simulation of complex scenarios in SIL/HIL test environments
+
+The software features time-based processing of multiple data streams and graphical editing of dynamic filter graphs. It also includes an SDK for custom plug-ins and reusable components, as well as components for data visualization in both 2D and 3D. This is was the 
+[manual](https://support.digitalwerk.net/adtf/v3/adtf_html/page_adtf_xsystem_plugin.html)
+says about the switch to Qt Advanced Docking:
+
+> After several minor improvements the Qt5 ADTF XSystem uses the Advanced Docking System for Qt since ADTF 3.10.0 for more convenience and usability regarding layouting, docking and embedding several widgets.
+
+[read more...](https://support.digitalwerk.net/adtf/v3/adtf_html/index.html)
+
+![ADTF](doc/showcase_adtf.png)
+
+### [DREAM.3D NX](https://github.com/BlueQuartzSoftware/DREAM3D)
+
+DREAM.3D *(Digital Representation Environment for Analysis of Materials in 3D)* is an open source, cross-platform and modular, software suite that allows users to prepare, reconstruct, quantify, instantiate, and mesh, multidimensional, multimodal microstructural data, as well as many other applications.
+
+[BlueQuartz Software](http://www.bluequartz.net/) is currently completely rewriting the DREAM.3D application. For the upcoming version **[DREAM3D NX](http://www.dream3d.io/)** they improved the UI by using the Advanced Docking System. An [early version](http://www.dream3d.io/) of **DREAM3D NX** with ADS is already available to any user who would like to take the brand new version out for a spin.
+
+![DREAM.3D NX](doc/showcase_dream3d_nx.png)
+
+[read more...](http://dream3d.bluequartz.net/)
+
+### [LabPlot](https://labplot.kde.org/)
+
+KDE LabPlot is the ultimate free, open source and cross-platform tool for scientists, engineers, and students who need to analyze and visualize data. With its intuitive interface and powerful features, you can create stunning plots and diagrams with ease. Whether you're working with CSV, FITS, or HDF5 data, KDE LabPlot makes it simple to import and analyze your data.
+
+The LabPlot project recently switched to the Qt Advanced Docking System for their user interface. This switch represents a significant improvement to the LabPlot software, allowing users to create and manage complex data visualization layouts with ease.
+
+![LabPlot](doc/showcase_labplot.png)
+
+[read more...](https://labplot.kde.org/)
+
+## Alternative Docking System Implementations
+
+If this Qt Advanced Docking System does not fit to your needs you may consider some of the alternative docking system solutions for Qt.
+
+### KDDockWidgets
+
+This is an advanced docking framework for Qt from [KDAB](https://www.kdab.com/). The interesting thing is, that they separated GUI code from logic, so they can easily provide a QtQuick backend in the future.
+
+- [Blog post about KDDockWidgets](https://www.kdab.com/kddockwidgets/)
+- [GitHub project](https://github.com/KDAB/KDDockWidgets)
+
+**License:** dual-licensed, available under both commercial and GPL license.
+
+### QtitanDocking
+
+This is a commercial component from [Developer Machines](https://www.devmachines.com/) for Qt Framework that allows to create a Microsoft like dockable user interface. They also offer a lot of other interesting and useful components for Qt. The library is available
+
+- [Product page](https://www.devmachines.com/qtitandocking-overview.html)
+
+**License:** Commercial license
+
+### DockingPanes
+
+DockingPanes is a library for Qt Widgets that implements docking windows that have the look and feel of Visual Studio. It provides a simple API which allows an application to make use of docking windows with a few calls.
+
+- [GitHub project](https://github.com/KestrelRadarSensors/dockingpanes)
+
+**License:** GPL

ads.pri

@@ -0,0 +1,28 @@
+
+CONFIG(debug, debug|release){
+    win32-g++ {
+    	versionAtLeast(QT_VERSION, 5.15.0) {
+    		LIBS += -lqtadvanceddocking
+    	}
+    	else {
+    		LIBS += -lqtadvanceddockingd
+    	}
+    }
+    else:msvc {
+        LIBS += -lqtadvanceddockingd
+    }
+    else:mac {
+        LIBS += -lqtadvanceddocking_debug
+    }
+    else {
+        LIBS += -lqtadvanceddocking
+    }
+}
+else{
+    LIBS += -lqtadvanceddocking
+}
+
+
+unix:!macx {
+    LIBS += -lxcb
+}

demo/CMakeLists.txt

@@ -1,9 +1,10 @@
 cmake_minimum_required(VERSION 3.5)
 project(ads_demo VERSION ${VERSION_SHORT}) 
 
-find_package(Qt5 5.5 COMPONENTS Core Gui Widgets REQUIRED)
-if(WIN32)
-    find_package(Qt5 5.5 COMPONENTS AxContainer REQUIRED)
+find_package(QT NAMES Qt6 Qt5 COMPONENTS Core REQUIRED)
+find_package(Qt${QT_VERSION_MAJOR} 5.5 COMPONENTS Core Gui Widgets REQUIRED)
+if(WIN32 AND QT_VERSION_MAJOR LESS 6)
+    find_package(Qt${QT_VERSION_MAJOR} COMPONENTS AxContainer REQUIRED)
 endif()
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 set(ads_demo_SRCS
@@ -12,15 +13,19 @@ set(ads_demo_SRCS
     mainwindow.ui
     StatusDialog.cpp
     StatusDialog.ui
+    ImageViewer.cpp
+    RenderWidget.cpp
 	demo.qrc
 )
 add_executable(AdvancedDockingSystemDemo WIN32 ${ads_demo_SRCS})
 target_include_directories(AdvancedDockingSystemDemo PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/../src")
-target_link_libraries(AdvancedDockingSystemDemo PUBLIC Qt5::Core Qt5::Gui Qt5::Widgets)
-if(WIN32)
-    target_link_libraries(AdvancedDockingSystemDemo PUBLIC Qt5::AxContainer)
+target_link_libraries(AdvancedDockingSystemDemo PUBLIC Qt${QT_VERSION_MAJOR}::Core 
+                                                       Qt${QT_VERSION_MAJOR}::Gui 
+                                                       Qt${QT_VERSION_MAJOR}::Widgets)
+if(WIN32 AND QT_VERSION_MAJOR LESS 6)
+    target_link_libraries(AdvancedDockingSystemDemo PUBLIC Qt${QT_VERSION_MAJOR}::AxContainer)
 endif()
-target_link_libraries(AdvancedDockingSystemDemo PRIVATE qtadvanceddocking)
+target_link_libraries(AdvancedDockingSystemDemo PRIVATE qt${QT_VERSION_MAJOR}advanceddocking)
 set_target_properties(AdvancedDockingSystemDemo PROPERTIES 
     AUTOMOC ON
     AUTORCC ON

demo/ImageViewer.cpp

@@ -0,0 +1,280 @@
+//============================================================================
+/// \file   ImageViewer.cpp
+/// \author Uwe Kindler
+/// \date   04.11.2022
+/// \brief  Implementation of CImageViewer
+//============================================================================
+
+//============================================================================
+//                                   INCLUDES
+//============================================================================
+#include "ImageViewer.h"
+
+#include <math.h>
+
+#include <QLabel>
+#include <QImageReader>
+#include <QImageWriter>
+#include <QMessageBox>
+#include <QApplication>
+#include <QDir>
+#include <QFileDialog>
+#include <QStandardPaths>
+#include <QAction>
+#include <QScrollBar>
+#include <QPixmap>
+#include <QPainter>
+#include <QImage>
+#include <QMouseEvent>
+#include <QWheelEvent>
+
+#include "RenderWidget.h"
+
+/**
+ * Private image viewer data
+ */
+struct ImageViewerPrivate
+{
+	CImageViewer* _this;
+	CRenderWidget* RenderWidget;///< renders the image to screen
+	bool AutoFit;///< automatically fit image to window size on resize events
+	QSize ImageSize;///< stores the image size to detect image size changes
+	QPoint MouseMoveStartPos;///< for calculation of mouse move vector
+	QLabel* ScalingLabel;///< label displays scaling factor
+	QList<QWidget*> OverlayTools;///< list of tool widget to overlay
+
+	ImageViewerPrivate(CImageViewer* _public) : _this(_public) {}
+};
+
+
+
+//============================================================================
+CImageViewer::CImageViewer(QWidget *parent)
+	: Super(parent),
+	  d(new ImageViewerPrivate(this))
+{
+	d->AutoFit = true;
+	d->RenderWidget = new CRenderWidget(this);
+
+	this->setBackgroundRole(QPalette::Light);
+	this->setAlignment(Qt::AlignCenter);
+	this->setWidget(d->RenderWidget);
+	this->createActions();
+	this->setMouseTracking(false); // only produce mouse move events if mouse button pressed
+}
+
+
+//============================================================================
+CImageViewer::~CImageViewer()
+{
+	delete d;
+}
+
+
+//============================================================================
+bool CImageViewer::loadFile(const QString& fileName)
+{
+    QImageReader reader(fileName);
+    reader.setAutoTransform(true);
+    const QImage newImage = reader.read();
+    if (newImage.isNull())
+    {
+        QMessageBox::information(this, QGuiApplication::applicationDisplayName(),
+                                 tr("Cannot load %1: %2")
+                                 .arg(QDir::toNativeSeparators(fileName), reader.errorString()));
+        return false;
+    }
+
+    setImage(newImage);
+    setWindowFilePath(fileName);
+    return true;
+}
+
+
+//===========================================================================
+void CImageViewer::setImage(const QImage &newImage)
+{
+    d->RenderWidget->showImage(newImage);
+    this->adjustDisplaySize(newImage);
+}
+
+
+//============================================================================
+void CImageViewer::adjustDisplaySize(const QImage& Image)
+{
+	if (d->ImageSize == Image.size())
+	{
+		return;
+	}
+	d->ImageSize = Image.size();
+	if (d->AutoFit)
+	{
+		this->fitToWindow();
+	}
+}
+
+
+//===========================================================================
+static void initializeImageFileDialog(QFileDialog &dialog, QFileDialog::AcceptMode acceptMode)
+{
+    static bool firstDialog = true;
+
+    if (firstDialog) {
+        firstDialog = false;
+        const QStringList picturesLocations = QStandardPaths::standardLocations(QStandardPaths::PicturesLocation);
+        dialog.setDirectory(picturesLocations.isEmpty() ? QDir::currentPath() : picturesLocations.last());
+    }
+
+    QStringList mimeTypeFilters;
+    const QByteArrayList supportedMimeTypes = acceptMode == QFileDialog::AcceptOpen
+        ? QImageReader::supportedMimeTypes() : QImageWriter::supportedMimeTypes();
+    for (const QByteArray &mimeTypeName : supportedMimeTypes)
+        mimeTypeFilters.append(mimeTypeName);
+    mimeTypeFilters.sort();
+    dialog.setMimeTypeFilters(mimeTypeFilters);
+    dialog.selectMimeTypeFilter("image/jpeg");
+    if (acceptMode == QFileDialog::AcceptSave)
+        dialog.setDefaultSuffix("jpg");
+}
+
+
+//===========================================================================
+void CImageViewer::open()
+{
+    QFileDialog dialog(this, tr("Open File"));
+    initializeImageFileDialog(dialog, QFileDialog::AcceptOpen);
+
+    while (dialog.exec() == QDialog::Accepted && !loadFile(dialog.selectedFiles().first())) {}
+}
+
+
+//===========================================================================
+void CImageViewer::createActions()
+{
+	QAction* a;
+    a = new QAction(tr("&Open..."));
+    a->setIcon(QIcon(":/adsdemo/images/perm_media.svg"));
+    connect(a, &QAction::triggered, this, &CImageViewer::open);
+    a->setShortcut(QKeySequence::Open);;
+    this->addAction(a);
+
+	a = new QAction(tr("Fit on Screen"));
+	a->setIcon(QIcon(":/adsdemo/images/zoom_out_map.svg"));
+	connect(a, &QAction::triggered, this, &CImageViewer::fitToWindow);
+	this->addAction(a);
+
+	a = new QAction(tr("Actual Pixels"));
+	a->setIcon(QIcon(":/adsdemo/images/find_in_page.svg"));
+	connect(a, &QAction::triggered, this, &CImageViewer::normalSize);
+	this->addAction(a);
+
+	a = new QAction(this);
+	a->setSeparator(true);
+	this->addAction(a);
+
+	a = new QAction(tr("Zoom In (25%)"));
+	a->setIcon(QIcon(":/adsdemo/images/zoom_in.svg"));
+	connect(a, &QAction::triggered, this, &CImageViewer::zoomIn);
+	this->addAction(a);
+
+	a = new QAction(tr("Zoom Out (25%)"));
+	a->setIcon(QIcon(":/adsdemo/images/zoom_out.svg"));
+	connect(a, &QAction::triggered, this, &CImageViewer::zoomOut);
+	this->addAction(a);
+
+	this->setContextMenuPolicy(Qt::ActionsContextMenu);
+}
+
+
+//===========================================================================
+void CImageViewer::zoomIn()
+{
+	d->AutoFit = false;
+	d->RenderWidget->zoomIn();
+}
+
+
+//===========================================================================
+void CImageViewer::zoomOut()
+{
+	d->AutoFit = false;
+	d->RenderWidget->zoomOut();
+}
+
+
+//===========================================================================
+void CImageViewer::normalSize()
+{
+	d->AutoFit = false;
+	d->RenderWidget->normalSize();
+}
+
+
+//===========================================================================
+void CImageViewer::fitToWindow()
+{
+	d->AutoFit = true;
+	d->RenderWidget->scaleToSize(this->maximumViewportSize());
+}
+
+
+//============================================================================
+void CImageViewer::resizeEvent(QResizeEvent* ResizeEvent)
+{
+	Super::resizeEvent(ResizeEvent);
+	if (d->AutoFit)
+	{
+		this->fitToWindow();
+	}
+}
+
+
+//============================================================================
+void CImageViewer::mousePressEvent(QMouseEvent* Event)
+{
+	d->RenderWidget->setCursor(Qt::ClosedHandCursor);
+	d->MouseMoveStartPos = Event->pos();
+	Super::mousePressEvent(Event);
+}
+
+
+//============================================================================
+void CImageViewer::mouseReleaseEvent(QMouseEvent* Event)
+{
+	d->RenderWidget->setCursor(Qt::OpenHandCursor);
+	Super::mouseReleaseEvent(Event);
+}
+
+
+//============================================================================
+void CImageViewer::mouseMoveEvent(QMouseEvent* Event)
+{
+	QPoint MoveVector = Event->pos() - d->MouseMoveStartPos;
+	d->MouseMoveStartPos = Event->pos();
+	horizontalScrollBar()->setValue(horizontalScrollBar()->value()
+	    - MoveVector.x());
+	verticalScrollBar()->setValue(verticalScrollBar()->value() - MoveVector.y());
+}
+
+
+//============================================================================
+void CImageViewer::wheelEvent(QWheelEvent* Event)
+{
+	double numDegrees = Event->angleDelta().y() / 8;
+	double numSteps = numDegrees / 15;
+	d->AutoFit = false;
+	double Zoom;
+	if (numSteps < 0)
+	{
+		Zoom = pow(0.9, 0 - numSteps);
+	}
+	else
+	{
+		Zoom = pow(1.10, numSteps);
+	}
+	d->RenderWidget->zoomByValue(Zoom);
+}
+
+#include "moc_ImageViewer.cpp"
+//---------------------------------------------------------------------------
+// EOF ImageViewer.cpp

demo/ImageViewer.h

@@ -0,0 +1,88 @@
+#ifndef ImageViewerH
+#define ImageViewerH
+//============================================================================
+/// \file   ImageViewer.h
+/// \author Uwe Kindler
+/// \date   04.11.2022
+/// \brief  Declaration of CImageViewer
+//============================================================================
+
+//============================================================================
+//                                   INCLUDES
+//============================================================================
+#include <QScrollArea>
+
+QT_BEGIN_NAMESPACE
+class QLabel;
+QT_END_NAMESPACE
+
+
+struct ImageViewerPrivate;
+
+/**
+ * Tiny simple image viewer for showing images in demo
+ */
+class CImageViewer : public QScrollArea
+{
+	Q_OBJECT
+public:
+	using Super = QScrollArea;
+
+	explicit CImageViewer(QWidget *parent = nullptr);
+    virtual ~CImageViewer();
+
+	bool loadFile(const QString& Filename);
+	void setImage(const QImage &newImage);
+
+public Q_SLOTS:
+	void open();
+    void zoomIn();
+    void zoomOut();
+    void normalSize();
+    void fitToWindow();
+
+protected:
+	/**
+	 * @brief Reimplemented from QScrollArea to adjust image scaling if m_AutoFit is
+	 * true.
+	 */
+	virtual void resizeEvent(QResizeEvent* ResizeEvent);
+
+	/**
+	 * @brief Handle mouse press events.
+	 */
+	virtual void mousePressEvent(QMouseEvent* Event);
+
+	/**
+	 * @brief Handles mouse release events.
+	 */
+	virtual void mouseReleaseEvent(QMouseEvent* Event);
+
+	/**
+	 * @brief Handle mouse move events.
+	 */
+	virtual void mouseMoveEvent(QMouseEvent* Event);
+
+	/**
+	 * @brief Use mouse wheel to change scaling of the image.
+	 */
+	virtual void wheelEvent(QWheelEvent* Event);
+
+private:
+    /**
+	 * @brief Create the wiget actions.
+	 */
+    void createActions();
+
+	/**
+	 * @brief Adjust size of render widget in case of image size change.
+	 * @param[in] Image The new image that may have a different image size.
+	 */
+	void adjustDisplaySize(const QImage& Image);
+
+    ImageViewerPrivate* d;
+    friend ImageViewerPrivate;
+};
+
+//---------------------------------------------------------------------------
+#endif // ImageViewerH

demo/MainWindow.cpp

@@ -58,14 +58,22 @@
 #include <QMessageBox>
 #include <QMenu>
 #include <QToolButton>
-
-
-#ifdef Q_OS_WIN
-#include <QAxWidget>
-#endif
-
+#include <QToolBar>
+#include <QPointer>
 #include <QMap>
 #include <QElapsedTimer>
+#include <QQuickWidget>
+
+
+#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
+#include <QRandomGenerator>
+#endif
+
+#ifdef Q_OS_WIN
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+#include <QAxWidget>
+#endif
+#endif
 
 #include "DockManager.h"
 #include "DockWidget.h"
@@ -75,35 +83,22 @@
 #include "FloatingDockContainer.h"
 #include "DockComponentsFactory.h"
 #include "StatusDialog.h"
+#include "DockSplitter.h"
+#include "ImageViewer.h"
 
 
 
-//============================================================================
-static ads::CDockWidget* createLongTextLabelDockWidget(QMenu* ViewMenu)
+/**
+ * Returns a random number from 0 to highest - 1
+ */
+int randomNumberBounded(int highest)
 {
-	static int LabelCount = 0;
-	QLabel* l = new QLabel();
-	l->setWordWrap(true);
-	l->setAlignment(Qt::AlignTop | Qt::AlignLeft);
-	l->setText(QString("Label %1 %2 - Lorem ipsum dolor sit amet, consectetuer adipiscing elit. "
-		"Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque "
-		"penatibus et magnis dis parturient montes, nascetur ridiculus mus. "
-		"Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. "
-		"Nulla consequat massa quis enim. Donec pede justo, fringilla vel, "
-		"aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, "
-		"imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede "
-		"mollis pretium. Integer tincidunt. Cras dapibus. Vivamus elementum "
-		"semper nisi. Aenean vulputate eleifend tellus. Aenean leo ligula, "
-		"porttitor eu, consequat vitae, eleifend ac, enim. Aliquam lorem ante, "
-		"dapibus in, viverra quis, feugiat a, tellus. Phasellus viverra nulla "
-		"ut metus varius laoreet.")
-		.arg(LabelCount)
-		.arg(QTime::currentTime().toString("hh:mm:ss:zzz")));
-
-	ads::CDockWidget* DockWidget = new ads::CDockWidget(QString("Label %1").arg(LabelCount++));
-	DockWidget->setWidget(l);
-	ViewMenu->addAction(DockWidget->toggleViewAction());
-	return DockWidget;
+#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
+	return QRandomGenerator::global()->bounded(highest);
+#else
+	qsrand(QTime::currentTime().msec());
+	return qrand() % highest;
+#endif
 }
 
 
@@ -138,7 +133,7 @@ static void appendFeaturStringToWindowTitle(ads::CDockWidget* DockWidget)
 static QIcon svgIcon(const QString& File)
 {
 	// This is a workaround, because in item views SVG icons are not
-	// properly scaled an look blurry or pixelate
+	// properly scaled and look blurry or pixelate
 	QIcon SvgIcon(File);
 	SvgIcon.addPixmap(SvgIcon.pixmap(92));
 	return SvgIcon;
@@ -164,71 +159,6 @@ public:
 };
 
 
-//============================================================================
-static ads::CDockWidget* createCalendarDockWidget(QMenu* ViewMenu)
-{
-	static int CalendarCount = 0;
-	QCalendarWidget* w = new QCalendarWidget();
-	ads::CDockWidget* DockWidget = new ads::CDockWidget(QString("Calendar %1").arg(CalendarCount++));
-	// The following lines are for testing the setWidget() and takeWidget()
-	// functionality
-	DockWidget->setWidget(w);
-	DockWidget->setWidget(w); // what happens if we set a widget if a widget is already set
-	DockWidget->takeWidget(); // we remove the widget
-	DockWidget->setWidget(w); // and set the widget again - there should be no error
-	DockWidget->setToggleViewActionMode(ads::CDockWidget::ActionModeShow);
-	DockWidget->setIcon(svgIcon(":/adsdemo/images/date_range.svg"));
-	ViewMenu->addAction(DockWidget->toggleViewAction());
-	return DockWidget;
-}
-
-
-//============================================================================
-static ads::CDockWidget* createFileSystemTreeDockWidget(QMenu* ViewMenu)
-{
-	static int FileSystemCount = 0;
-	QTreeView* w = new QTreeView();
-	w->setFrameShape(QFrame::NoFrame);
-	QFileSystemModel* m = new QFileSystemModel(w);
-	m->setRootPath(QDir::currentPath());
-	w->setModel(m);
-	ads::CDockWidget* DockWidget = new ads::CDockWidget(QString("Filesystem %1")
-		.arg(FileSystemCount++));
-	DockWidget->setWidget(w);
-	ViewMenu->addAction(DockWidget->toggleViewAction());
-    return DockWidget;
-}
-
-//============================================================================
-static ads::CDockWidget* createEditorWidget(QMenu* ViewMenu)
-{
-	static int EditorCount = 0;
-	QPlainTextEdit* w = new QPlainTextEdit();
-	w->setPlaceholderText("This is an editor. If you close the editor, it will be "
-		"deleted. Enter your text here.");
-	w->setStyleSheet("border: none");
-	ads::CDockWidget* DockWidget = new ads::CDockWidget(QString("Editor %1").arg(EditorCount++));
-	DockWidget->setWidget(w);
-	DockWidget->setIcon(svgIcon(":/adsdemo/images/edit.svg"));
-	DockWidget->setFeature(ads::CDockWidget::CustomCloseHandling, true);
-	ViewMenu->addAction(DockWidget->toggleViewAction());
-
-	QMenu* OptionsMenu = new QMenu(DockWidget);
-	OptionsMenu->setTitle(QObject::tr("Options"));
-	OptionsMenu->setToolTip(OptionsMenu->title());
-	OptionsMenu->setIcon(svgIcon(":/adsdemo/images/custom-menu-button.svg"));
-	auto MenuAction = OptionsMenu->menuAction();
-	// The object name of the action will be set for the QToolButton that
-	// is created in the dock area title bar. You can use this name for CSS
-	// styling
-	MenuAction->setObjectName("optionsMenu");
-	DockWidget->setTitleBarActions({OptionsMenu->menuAction()});
-	auto a = OptionsMenu->addAction(QObject::tr("Clear Editor"));
-	w->connect(a, SIGNAL(triggered()), SLOT(clear()));
-
-	return DockWidget;
-}
-
 
 //===========================================================================
 /**
@@ -246,58 +176,6 @@ public:
 };
 
 
-//============================================================================
-static ads::CDockWidget* createTableWidget(QMenu* ViewMenu)
-{
-	static int TableCount = 0;
-	auto w = new CMinSizeTableWidget();
-	ads::CDockWidget* DockWidget = new ads::CDockWidget(QString("Table %1").arg(TableCount++));
-	static int colCount = 5;
-	static int rowCount = 30;
-	w->setColumnCount(colCount);
-	w->setRowCount(rowCount);
-	for (int col = 0; col < colCount; ++col)
-	{
-	  w->setHorizontalHeaderItem(col, new QTableWidgetItem(QString("Col %1").arg(col+1)));
-	  for (int row = 0; row < rowCount; ++row)
-	  {
-		 w->setItem(row, col, new QTableWidgetItem(QString("T %1-%2").arg(row + 1).arg(col+1)));
-	  }
-	}
-	DockWidget->setWidget(w);
-	DockWidget->setIcon(svgIcon(":/adsdemo/images/grid_on.svg"));
-	DockWidget->setMinimumSizeHintMode(ads::CDockWidget::MinimumSizeHintFromContent);
-	auto ToolBar = DockWidget->createDefaultToolBar();
-	auto Action = ToolBar->addAction(svgIcon(":/adsdemo/images/fullscreen.svg"), "Toggle Fullscreen");
-	QObject::connect(Action, &QAction::triggered, [=]()
-		{
-			if (DockWidget->isFullScreen())
-			{
-				DockWidget->showNormal();
-			}
-			else
-			{
-				DockWidget->showFullScreen();
-			}
-		});
-	ViewMenu->addAction(DockWidget->toggleViewAction());
-	return DockWidget;
-}
-
-
-#ifdef Q_OS_WIN
-//============================================================================
-static ads::CDockWidget* createActiveXWidget(QMenu* ViewMenu, QWidget* parent = nullptr)
-{
-   static int ActiveXCount = 0;
-   QAxWidget* w = new QAxWidget("{6bf52a52-394a-11d3-b153-00c04f79faa6}", parent);
-   ads::CDockWidget* DockWidget = new ads::CDockWidget(QString("Active X %1").arg(ActiveXCount++));
-   DockWidget->setWidget(w);
-   ViewMenu->addAction(DockWidget->toggleViewAction());
-   return DockWidget;
-}
-#endif
-
 
 //============================================================================
 /**
@@ -311,6 +189,9 @@ struct MainWindowPrivate
 	QWidgetAction* PerspectiveListAction = nullptr;
 	QComboBox* PerspectiveComboBox = nullptr;
 	ads::CDockManager* DockManager = nullptr;
+	ads::CDockWidget* WindowTitleTestDockWidget = nullptr;
+	QPointer<ads::CDockWidget> LastDockedEditor;
+	QPointer<ads::CDockWidget> LastCreatedFloatingEditor;
 
 	MainWindowPrivate(CMainWindow* _public) : _this(_public) {}
 
@@ -343,14 +224,225 @@ struct MainWindowPrivate
 	 * Restore the perspective listo of the dock manager
 	 */
 	void restorePerspectives();
+
+	/**
+	 * Creates a dock widget with a file system tree view
+	 */
+	ads::CDockWidget* createFileSystemTreeDockWidget()
+	{
+		static int FileSystemCount = 0;
+		QTreeView* w = new QTreeView();
+		w->setFrameShape(QFrame::NoFrame);
+		QFileSystemModel* m = new QFileSystemModel(w);
+		m->setRootPath(QDir::currentPath());
+		w->setModel(m);
+		w->setRootIndex(m->index(QDir::currentPath()));
+		ads::CDockWidget* DockWidget = new ads::CDockWidget(QString("Filesystem %1")
+			.arg(FileSystemCount++));
+		DockWidget->setWidget(w);
+		DockWidget->setIcon(svgIcon(":/adsdemo/images/folder_open.svg"));
+		ui.menuView->addAction(DockWidget->toggleViewAction());
+		// We disable focus to test focus highlighting if the dock widget content
+		// does not support focus
+		w->setFocusPolicy(Qt::NoFocus);
+		auto ToolBar = DockWidget->createDefaultToolBar();
+		ToolBar->addAction(ui.actionSaveState);
+		ToolBar->addAction(ui.actionRestoreState);
+		return DockWidget;
+	}
+
+	/**
+	 * Create a dock widget with a QCalendarWidget
+	 */
+	ads::CDockWidget* createCalendarDockWidget()
+	{
+		static int CalendarCount = 0;
+		QCalendarWidget* w = new QCalendarWidget();
+		ads::CDockWidget* DockWidget = new ads::CDockWidget(QString("Calendar %1").arg(CalendarCount++));
+		// The following lines are for testing the setWidget() and takeWidget()
+		// functionality
+		DockWidget->setWidget(w);
+		DockWidget->setWidget(w); // what happens if we set a widget if a widget is already set
+		DockWidget->takeWidget(); // we remove the widget
+		DockWidget->setWidget(w); // and set the widget again - there should be no error
+		DockWidget->setToggleViewActionMode(ads::CDockWidget::ActionModeShow);
+		DockWidget->setIcon(svgIcon(":/adsdemo/images/date_range.svg"));
+		ui.menuView->addAction(DockWidget->toggleViewAction());
+		auto ToolBar = DockWidget->createDefaultToolBar();
+		ToolBar->addAction(ui.actionSaveState);
+		ToolBar->addAction(ui.actionRestoreState);
+		return DockWidget;
+	}
+
+
+	/**
+	 * Create dock widget with a text label
+	 */
+	ads::CDockWidget* createLongTextLabelDockWidget()
+	{
+		static int LabelCount = 0;
+		QLabel* l = new QLabel();
+		l->setWordWrap(true);
+		l->setAlignment(Qt::AlignTop | Qt::AlignLeft);
+		l->setText(QString("Label %1 %2 - Lorem ipsum dolor sit amet, consectetuer adipiscing elit. "
+			"Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque "
+			"penatibus et magnis dis parturient montes, nascetur ridiculus mus. "
+			"Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. "
+			"Nulla consequat massa quis enim. Donec pede justo, fringilla vel, "
+			"aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, "
+			"imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede "
+			"mollis pretium. Integer tincidunt. Cras dapibus. Vivamus elementum "
+			"semper nisi. Aenean vulputate eleifend tellus. Aenean leo ligula, "
+			"porttitor eu, consequat vitae, eleifend ac, enim. Aliquam lorem ante, "
+			"dapibus in, viverra quis, feugiat a, tellus. Phasellus viverra nulla "
+			"ut metus varius laoreet.")
+			.arg(LabelCount)
+			.arg(QTime::currentTime().toString("hh:mm:ss:zzz")));
+
+		ads::CDockWidget* DockWidget = new ads::CDockWidget(QString("Label %1").arg(LabelCount++));
+		DockWidget->setWidget(l);
+		DockWidget->setIcon(svgIcon(":/adsdemo/images/font_download.svg"));
+		ui.menuView->addAction(DockWidget->toggleViewAction());
+		return DockWidget;
+	}
+
+
+	/**
+	 * Creates as imple editor widget
+	 */
+	ads::CDockWidget* createEditorWidget()
+	{
+		static int EditorCount = 0;
+		QPlainTextEdit* w = new QPlainTextEdit();
+		w->setPlaceholderText("This is an editor. If you close the editor, it will be "
+			"deleted. Enter your text here.");
+		w->setStyleSheet("border: none");
+		ads::CDockWidget* DockWidget = new ads::CDockWidget(QString("Editor %1").arg(EditorCount++));
+		DockWidget->setWidget(w);
+		DockWidget->setIcon(svgIcon(":/adsdemo/images/edit.svg"));
+		DockWidget->setFeature(ads::CDockWidget::CustomCloseHandling, true);
+		ui.menuView->addAction(DockWidget->toggleViewAction());
+
+		QMenu* OptionsMenu = new QMenu(DockWidget);
+		OptionsMenu->setTitle(QObject::tr("Options"));
+		OptionsMenu->setToolTip(OptionsMenu->title());
+		OptionsMenu->setIcon(svgIcon(":/adsdemo/images/custom-menu-button.svg"));
+		auto MenuAction = OptionsMenu->menuAction();
+		// The object name of the action will be set for the QToolButton that
+		// is created in the dock area title bar. You can use this name for CSS
+		// styling
+		MenuAction->setObjectName("optionsMenu");
+		DockWidget->setTitleBarActions({OptionsMenu->menuAction()});
+		auto a = OptionsMenu->addAction(QObject::tr("Clear Editor"));
+		w->connect(a, SIGNAL(triggered()), SLOT(clear()));
+
+		return DockWidget;
+	}
+
+	/**
+	 * Creates a simply image viewr
+	 */
+	ads::CDockWidget* createImageViewer()
+	{
+		static int ImageViewerCount = 0;
+		auto w = new CImageViewer();
+		auto ImageIndex = randomNumberBounded(4);
+		auto FileName = ":adsdemo/images/ads_logo.svg";
+
+		// Pick a random image from a number of images
+		switch (ImageIndex)
+		{
+		case 0: FileName = ":adsdemo/images/ads_tile_blue.svg"; break;
+		case 1: FileName = ":adsdemo/images/ads_tile_blue_light.svg"; break;
+		case 2: FileName = ":adsdemo/images/ads_tile_green.svg"; break;
+		case 3: FileName = ":adsdemo/images/ads_tile_orange.svg"; break;
+		}
+
+		auto Result = w->loadFile(FileName);
+		qDebug() << "loadFile result: " << Result;
+		ads::CDockWidget* DockWidget = new ads::CDockWidget(QString("Image Viewer %1").arg(ImageViewerCount++));
+		DockWidget->setIcon(svgIcon(":/adsdemo/images/photo.svg"));
+		DockWidget->setWidget(w,ads:: CDockWidget::ForceNoScrollArea);
+		auto ToolBar = DockWidget->createDefaultToolBar();
+		ToolBar->addActions(w->actions());
+		return DockWidget;
+	}
+
+	/**
+	 * Create a table widget
+	 */
+	ads::CDockWidget* createTableWidget()
+	{
+		static int TableCount = 0;
+		auto w = new CMinSizeTableWidget();
+		ads::CDockWidget* DockWidget = new ads::CDockWidget(QString("Table %1").arg(TableCount++));
+		static int colCount = 5;
+		static int rowCount = 30;
+		w->setColumnCount(colCount);
+		w->setRowCount(rowCount);
+		for (int col = 0; col < colCount; ++col)
+		{
+		  w->setHorizontalHeaderItem(col, new QTableWidgetItem(QString("Col %1").arg(col+1)));
+		  for (int row = 0; row < rowCount; ++row)
+		  {
+			 w->setItem(row, col, new QTableWidgetItem(QString("T %1-%2").arg(row + 1).arg(col+1)));
+		  }
+		}
+		DockWidget->setWidget(w);
+		DockWidget->setIcon(svgIcon(":/adsdemo/images/grid_on.svg"));
+		DockWidget->setMinimumSizeHintMode(ads::CDockWidget::MinimumSizeHintFromContent);
+		auto ToolBar = DockWidget->createDefaultToolBar();
+		auto Action = ToolBar->addAction(svgIcon(":/adsdemo/images/fullscreen.svg"), "Toggle Fullscreen");
+		QObject::connect(Action, &QAction::triggered, [=]()
+			{
+				if (DockWidget->isFullScreen())
+				{
+					DockWidget->showNormal();
+				}
+				else
+				{
+					DockWidget->showFullScreen();
+				}
+			});
+		ui.menuView->addAction(DockWidget->toggleViewAction());
+		return DockWidget;
+	}
+
+	/**
+	 * Create QQuickWidget for test for OpenGL and QQuick
+	 */
+	ads::CDockWidget *createQQuickWidget()
+	{
+		QQuickWidget *widget = new QQuickWidget();
+		ads::CDockWidget *dockWidget = new ads::CDockWidget("Quick");
+		dockWidget->setWidget(widget);
+		return dockWidget;
+	}
+
+
+#ifdef Q_OS_WIN
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
+	/**
+	 * Creates an ActiveX widget on windows
+	 */
+	ads::CDockWidget* createActiveXWidget(QWidget* parent = nullptr)
+	{
+	   static int ActiveXCount = 0;
+	   QAxWidget* w = new QAxWidget("{6bf52a52-394a-11d3-b153-00c04f79faa6}", parent);
+	   ads::CDockWidget* DockWidget = new ads::CDockWidget(QString("Active X %1").arg(ActiveXCount++));
+	   DockWidget->setWidget(w);
+	   ui.menuView->addAction(DockWidget->toggleViewAction());
+	   return DockWidget;
+	}
+#endif
+#endif
 };
 
 //============================================================================
 void MainWindowPrivate::createContent()
 {
 	// Test container docking
-	QMenu* ViewMenu = ui.menuView;
-	auto DockWidget = createCalendarDockWidget(ViewMenu);
+	auto DockWidget = createCalendarDockWidget();
 	DockWidget->setFeature(ads::CDockWidget::DockWidgetClosable, false);
 	auto SpecialDockArea = DockManager->addDockWidget(ads::LeftDockWidgetArea, DockWidget);
 
@@ -360,19 +452,16 @@ void MainWindowPrivate::createContent()
 		//SpecialDockArea->setAllowedAreas({ads::LeftDockWidgetArea, ads::RightDockWidgetArea}); // just for testing
 	}
 
-	DockManager->addDockWidget(ads::LeftDockWidgetArea, createLongTextLabelDockWidget(ViewMenu));
-	auto FileSystemWidget = createFileSystemTreeDockWidget(ViewMenu);
-	auto ToolBar = FileSystemWidget->createDefaultToolBar();
-	ToolBar->addAction(ui.actionSaveState);
-	ToolBar->addAction(ui.actionRestoreState);
+	DockWidget = createLongTextLabelDockWidget();
+	WindowTitleTestDockWidget = DockWidget;
+	DockWidget->setFeature(ads::CDockWidget::DockWidgetFocusable, false);
+	DockManager->addDockWidget(ads::LeftDockWidgetArea, DockWidget);
+	auto FileSystemWidget = createFileSystemTreeDockWidget();
 	FileSystemWidget->setFeature(ads::CDockWidget::DockWidgetFloatable, false);
 	appendFeaturStringToWindowTitle(FileSystemWidget);
 	DockManager->addDockWidget(ads::BottomDockWidgetArea, FileSystemWidget);
 
-	FileSystemWidget = createFileSystemTreeDockWidget(ViewMenu);
-	ToolBar = FileSystemWidget->createDefaultToolBar();
-	ToolBar->addAction(ui.actionSaveState);
-	ToolBar->addAction(ui.actionRestoreState);
+	FileSystemWidget = createFileSystemTreeDockWidget();
 	FileSystemWidget->setFeature(ads::CDockWidget::DockWidgetMovable, false);
 	FileSystemWidget->setFeature(ads::CDockWidget::DockWidgetFloatable, false);
 	appendFeaturStringToWindowTitle(FileSystemWidget);
@@ -380,13 +469,33 @@ void MainWindowPrivate::createContent()
 	// Test custom factory - we inject a help button into the title bar
 	ads::CDockComponentsFactory::setFactory(new CCustomComponentsFactory());
 	auto TopDockArea = DockManager->addDockWidget(ads::TopDockWidgetArea, FileSystemWidget);
+	// Uncomment the next line if you would like to test the
+	// HideSingleWidgetTitleBar functionality
+	// TopDockArea->setDockAreaFlag(ads::CDockAreaWidget::HideSingleWidgetTitleBar, true);
 	ads::CDockComponentsFactory::resetDefaultFactory();
 
 	// We create a calendar widget and clear all flags to prevent the dock area
 	// from closing
-	DockWidget = createCalendarDockWidget(ViewMenu);
+	DockWidget = createCalendarDockWidget();
 	DockWidget->setTabToolTip(QString("Tab ToolTip\nHodie est dies magna"));
 	auto DockArea = DockManager->addDockWidget(ads::CenterDockWidgetArea, DockWidget, TopDockArea);
+    // Now we create a action to test resizing of DockArea widget
+	auto Action = ui.menuTests->addAction(QString("Resize %1").arg(DockWidget->windowTitle()));
+	QObject::connect(Action, &QAction::triggered, [DockArea]()
+	{
+		// Resizing only works, if the Splitter is visible and has a valid
+		// sizes
+		auto Splitter = ads::internal::findParent<ads::CDockSplitter*>(DockArea);
+		if (!Splitter)
+		{
+			return;
+		}
+		// We change the sizes of the splitter that contains the Calendar 1 widget
+		// to resize the dock widget
+		int Width = Splitter->width();
+		Splitter->setSizes({Width * 2/3, Width * 1/3});
+	});
+	DockWidget->setWindowTitle(QString("My " + DockWidget->windowTitle()));
 
 	// Now we add a custom button to the dock area title bar that will create
 	// new editor widgets when clicked
@@ -400,31 +509,54 @@ void MainWindowPrivate::createContent()
 	TitleBar->insertWidget(Index + 1, CustomButton);
 	QObject::connect(CustomButton, &QToolButton::clicked, [=]()
 	{
-		auto DockWidget = createEditorWidget(ui.menuView);
+		auto DockWidget = createEditorWidget();
 		DockWidget->setFeature(ads::CDockWidget::DockWidgetDeleteOnClose, true);
 		DockManager->addDockWidgetTabToArea(DockWidget, DockArea);
 		_this->connect(DockWidget, SIGNAL(closeRequested()), SLOT(onEditorCloseRequested()));
 	});
 
 	// Test dock area docking
-	auto RighDockArea = DockManager->addDockWidget(ads::RightDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), TopDockArea);
-	DockManager->addDockWidget(ads::TopDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), RighDockArea);
-	auto BottomDockArea = DockManager->addDockWidget(ads::BottomDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), RighDockArea);
-	DockManager->addDockWidget(ads::CenterDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), RighDockArea);
-	DockManager->addDockWidget(ads::CenterDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), BottomDockArea);
+	auto RighDockArea = DockManager->addDockWidget(ads::RightDockWidgetArea, createLongTextLabelDockWidget(), TopDockArea);
+	DockManager->addDockWidget(ads::TopDockWidgetArea, createLongTextLabelDockWidget(), RighDockArea);
+	auto BottomDockArea = DockManager->addDockWidget(ads::BottomDockWidgetArea, createLongTextLabelDockWidget(), RighDockArea);
+	DockManager->addDockWidget(ads::CenterDockWidgetArea, createLongTextLabelDockWidget(), RighDockArea);
+	auto LabelDockWidget = createLongTextLabelDockWidget();
+	DockManager->addDockWidget(ads::CenterDockWidgetArea, LabelDockWidget, BottomDockArea);
 
-    auto Action = ui.menuTests->addAction(QString("Set %1 Floating").arg(DockWidget->windowTitle()));
+	// Tests CustomCloseHandling without DeleteOnClose
+	LabelDockWidget->setFeature(ads::CDockWidget::CustomCloseHandling, true);
+	QObject::connect(LabelDockWidget, &ads::CDockWidget::closeRequested, [LabelDockWidget, this]()
+	{
+		int Result = QMessageBox::question(_this, "Custom Close Request",
+			"Do you really want to close this dock widget?");
+		if (QMessageBox::Yes == Result)
+		{
+			LabelDockWidget->closeDockWidget();
+		}
+	});
+
+    Action = ui.menuTests->addAction(QString("Set %1 Floating").arg(DockWidget->windowTitle()));
     DockWidget->connect(Action, SIGNAL(triggered()), SLOT(setFloating()));
     Action = ui.menuTests->addAction(QString("Set %1 As Current Tab").arg(DockWidget->windowTitle()));
     DockWidget->connect(Action, SIGNAL(triggered()), SLOT(setAsCurrentTab()));
     Action = ui.menuTests->addAction(QString("Raise %1").arg(DockWidget->windowTitle()));
     DockWidget->connect(Action, SIGNAL(triggered()), SLOT(raise()));
 
+    // Test hidden floating dock widget
+    DockWidget = createLongTextLabelDockWidget();
+    DockManager->addDockWidgetFloating(DockWidget);
+    DockWidget->toggleView(false);
+
+    // Test visible floating dock widget
+    DockWidget = createCalendarDockWidget();
+    DockManager->addDockWidgetFloating(DockWidget);
+    DockWidget->setWindowTitle(QString("My " + DockWidget->windowTitle()));
+
+
 #ifdef Q_OS_WIN
-    if (!DockManager->configFlags().testFlag(ads::CDockManager::OpaqueUndocking))
-    {
-    	DockManager->addDockWidget(ads::CenterDockWidgetArea, createActiveXWidget(ViewMenu), RighDockArea);
-    }
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
+    DockManager->addDockWidget(ads::CenterDockWidgetArea, createActiveXWidget(), RighDockArea);
+#endif
 #endif
 
 	for (auto DockWidget : DockManager->dockWidgetsMap())
@@ -432,6 +564,15 @@ void MainWindowPrivate::createContent()
 		_this->connect(DockWidget, SIGNAL(viewToggled(bool)), SLOT(onViewToggled(bool)));
 		_this->connect(DockWidget, SIGNAL(visibilityChanged(bool)), SLOT(onViewVisibilityChanged(bool)));
 	}
+
+	// Create image viewer
+	DockWidget = createImageViewer();
+	DockManager->addDockWidget(ads::LeftDockWidgetArea, DockWidget);
+
+    // Create quick widget
+	DockWidget = createQQuickWidget();
+	DockWidget->setFeature(ads::CDockWidget::DockWidgetClosable, true);
+	DockManager->addDockWidget(ads::LeftDockWidgetArea, DockWidget);
 }
 
 
@@ -470,16 +611,49 @@ void MainWindowPrivate::createActions()
 	_this->connect(a, SIGNAL(triggered()), SLOT(createEditor()));
 	ui.menuTests->addAction(a);
 
+	a = ui.toolBar->addAction("Create Editor Tab");
+	a->setProperty("Floating", false);
+	a->setToolTip("Creates a editor tab and inserts it as second tab into an area");
+	a->setIcon(svgIcon(":/adsdemo/images/tab.svg"));
+	a->setProperty("Tabbed", true);
+	_this->connect(a, SIGNAL(triggered()), SLOT(createEditor()));
+	ui.menuTests->addAction(a);
+
 	a = ui.toolBar->addAction("Create Floating Table");
 	a->setToolTip("Creates floating dynamic dockable table with millions of entries");
 	a->setIcon(svgIcon(":/adsdemo/images/grid_on.svg"));
 	_this->connect(a, SIGNAL(triggered()), SLOT(createTable()));
 	ui.menuTests->addAction(a);
 
+	a = ui.toolBar->addAction("Create Image Viewer");
+	auto ToolButton = qobject_cast<QToolButton*>(ui.toolBar->widgetForAction(a));
+	ToolButton->setPopupMode(QToolButton::InstantPopup);
+	a->setToolTip("Creates floating, docked or pinned image viewer");
+	a->setIcon(svgIcon(":/adsdemo/images/panorama.svg"));
+	ui.menuTests->addAction(a);
+	auto Menu = new QMenu();
+	ToolButton->setMenu(Menu);
+	a = Menu->addAction("Floating Image Viewer");
+	_this->connect(a, SIGNAL(triggered()), SLOT(createImageViewer()));
+	a = Menu->addAction("Docked Image Viewer");
+	_this->connect(a, SIGNAL(triggered()), SLOT(createImageViewer()));
+	a = Menu->addAction("Pinned Image Viewer");
+	_this->connect(a, SIGNAL(triggered()), SLOT(createImageViewer()));
+
+
 	ui.menuTests->addSeparator();
 	a = ui.menuTests->addAction("Show Status Dialog");
 	_this->connect(a, SIGNAL(triggered()), SLOT(showStatusDialog()));
+
+	a = ui.menuTests->addAction("Toggle Label 0 Window Title");
+	_this->connect(a, SIGNAL(triggered()), SLOT(toggleDockWidgetWindowTitle()));
 	ui.menuTests->addSeparator();
+
+	a = ui.toolBar->addAction("Apply VS Style");
+	a->setToolTip("Applies a Visual Studio light style (visual_studio_light.css)." );
+	a->setIcon(svgIcon(":/adsdemo/images/color_lens.svg"));
+	QObject::connect(a, &QAction::triggered, _this, &CMainWindow::applyVsStyle);
+	ui.menuTests->addAction(a);
 }
 
 
@@ -539,7 +713,7 @@ CMainWindow::CMainWindow(QWidget *parent) :
 
     // uncomment the following line if you want to use opaque undocking and
 	// opaque splitter resizing
-    // CDockManager::setConfigFlags(CDockManager::DefaultOpaqueConfig);
+    //CDockManager::setConfigFlags(CDockManager::DefaultOpaqueConfig);
 
     // uncomment the following line if you want a fixed tab width that does
 	// not change if the visibility of the close button changes
@@ -569,13 +743,32 @@ CMainWindow::CMainWindow(QWidget *parent) :
 	// uncomment the following line if you want a central widget in the main dock container (the dock manager) without a titlebar
 	// If you enable this code, you can test it in the demo with the Calendar 0
 	// dock widget.
-	// CDockManager::setConfigFlag(CDockManager::HideSingleCentralWidgetTitleBar, true);
+	//CDockManager::setConfigFlag(CDockManager::HideSingleCentralWidgetTitleBar, true);
+
+	// uncomment the following line to enable focus highlighting of the dock
+	// widget that has the focus
+    CDockManager::setConfigFlag(CDockManager::FocusHighlighting, true);
+
+	// uncomment if you would like to enable dock widget auto hiding
+    CDockManager::setAutoHideConfigFlags({CDockManager::DefaultAutoHideConfig});
+
+	// uncomment if you would like to enable an equal distribution of the
+	// available size of a splitter to all contained dock widgets
+	// CDockManager::setConfigFlag(CDockManager::EqualSplitOnInsertion, true);
+	
+	// uncomment if you would like to close tabs with the middle mouse button, web browser style
+	// CDockManager::setConfigFlag(CDockManager::MiddleMouseButtonClosesTab, true);
 
 	// Now create the dock manager and its content
 	d->DockManager = new CDockManager(this);
 
-	connect(d->PerspectiveComboBox, SIGNAL(activated(const QString&)),
-		d->DockManager, SLOT(openPerspective(const QString&)));
+ #if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
+	connect(d->PerspectiveComboBox, SIGNAL(activated(QString)),
+		d->DockManager, SLOT(openPerspective(QString)));
+ #else
+    connect(d->PerspectiveComboBox, SIGNAL(textActivated(QString)),
+        d->DockManager, SLOT(openPerspective(QString)));
+ #endif
 
 	d->createContent();
 	// Default window geometry - center on screen
@@ -601,6 +794,9 @@ CMainWindow::~CMainWindow()
 void CMainWindow::closeEvent(QCloseEvent* event)
 {
 	d->saveState();
+    // Delete dock manager here to delete all floating widgets. This ensures
+    // that all top level windows of the dock manager are properly closed
+    d->DockManager->deleteLater();
 	QMainWindow::closeEvent(event);
 }
 
@@ -643,26 +839,28 @@ void CMainWindow::savePerspective()
 //============================================================================
 void CMainWindow::onViewToggled(bool Open)
 {
+	Q_UNUSED(Open);
 	auto DockWidget = qobject_cast<ads::CDockWidget*>(sender());
 	if (!DockWidget)
 	{
 		return;
 	}
 
-	qDebug() << DockWidget->objectName() << " viewToggled(" << Open << ")";
+	//qDebug() << DockWidget->objectName() << " viewToggled(" << Open << ")";
 }
 
 
 //============================================================================
 void CMainWindow::onViewVisibilityChanged(bool Visible)
 {
+	Q_UNUSED(Visible);
 	auto DockWidget = qobject_cast<ads::CDockWidget*>(sender());
     if (!DockWidget)
     {
         return;
     }
 
-    qDebug() << DockWidget->objectName() << " visibilityChanged(" << Visible << ")";
+    //qDebug() << DockWidget->objectName() << " visibilityChanged(" << Visible << ")";
 }
 
 
@@ -672,19 +870,51 @@ void CMainWindow::createEditor()
 	QObject* Sender = sender();
 	QVariant vFloating = Sender->property("Floating");
 	bool Floating = vFloating.isValid() ? vFloating.toBool() : true;
-	auto DockWidget = createEditorWidget(d->ui.menuView);
+	QVariant vTabbed = Sender->property("Tabbed");
+	bool Tabbed = vTabbed.isValid() ? vTabbed.toBool() : true;
+	auto DockWidget = d->createEditorWidget();
 	DockWidget->setFeature(ads::CDockWidget::DockWidgetDeleteOnClose, true);
+	DockWidget->setFeature(ads::CDockWidget::DockWidgetForceCloseWithArea, true);
     connect(DockWidget, SIGNAL(closeRequested()), SLOT(onEditorCloseRequested()));
 
     if (Floating)
     {
 		auto FloatingWidget = d->DockManager->addDockWidgetFloating(DockWidget);
 		FloatingWidget->move(QPoint(20, 20));
+		d->LastCreatedFloatingEditor = DockWidget;
+		d->LastDockedEditor.clear();
+		return;
     }
-    else
-    {
-    	d->DockManager->addDockWidget(ads::TopDockWidgetArea, DockWidget);
-    }
+
+
+	ads::CDockAreaWidget* EditorArea = d->LastDockedEditor ? d->LastDockedEditor->dockAreaWidget() : nullptr;
+	if (EditorArea)
+	{
+		if (Tabbed)
+		{
+			// Test inserting the dock widget tab at a given position instead
+			// of appending it. This function inserts the new dock widget as
+			// first tab
+			d->DockManager->addDockWidgetTabToArea(DockWidget, EditorArea, 0);
+		}
+		else
+		{
+			d->DockManager->setConfigFlag(ads::CDockManager::EqualSplitOnInsertion, true);
+			d->DockManager->addDockWidget(ads::RightDockWidgetArea, DockWidget, EditorArea);
+		}
+	}
+	else
+	{
+		if (d->LastCreatedFloatingEditor)
+		{
+			d->DockManager->addDockWidget(ads::RightDockWidgetArea, DockWidget, d->LastCreatedFloatingEditor->dockAreaWidget());
+		}
+		else
+		{
+			d->DockManager->addDockWidget(ads::TopDockWidgetArea, DockWidget);
+		}
+	}
+	d->LastDockedEditor = DockWidget;
 }
 
 
@@ -702,10 +932,24 @@ void CMainWindow::onEditorCloseRequested()
 }
 
 
+//============================================================================
+void CMainWindow::onImageViewerCloseRequested()
+{
+	auto DockWidget = qobject_cast<ads::CDockWidget*>(sender());
+	int Result = QMessageBox::question(this, "Close Image Viewer", QString("%1 "
+		"contains unsaved changes? Would you like to close it?")
+		.arg(DockWidget->windowTitle()));
+	if (QMessageBox::Yes == Result)
+	{
+		DockWidget->closeDockWidget();
+	}
+}
+
+
 //============================================================================
 void CMainWindow::createTable()
 {
-	auto DockWidget = createTableWidget(d->ui.menuView);
+	auto DockWidget = d->createTableWidget();
 	DockWidget->setFeature(ads::CDockWidget::DockWidgetDeleteOnClose, true);
 	auto FloatingWidget = d->DockManager->addDockWidgetFloating(DockWidget);
     FloatingWidget->move(QPoint(40, 40));
@@ -719,3 +963,62 @@ void CMainWindow::showStatusDialog()
 	Dialog.exec();
 }
 
+
+//============================================================================
+void CMainWindow::toggleDockWidgetWindowTitle()
+{
+	QString Title = d->WindowTitleTestDockWidget->windowTitle();
+	int i = Title.indexOf(" (Test)");
+	if (-1 == i)
+	{
+		Title += " (Test)";
+	}
+	else
+	{
+		Title = Title.left(i);
+	}
+	d->WindowTitleTestDockWidget->setWindowTitle(Title);
+}
+
+
+//============================================================================
+void CMainWindow::applyVsStyle()
+{
+	QFile StyleSheetFile(":adsdemo/res/visual_studio_light.css");
+	StyleSheetFile.open(QIODevice::ReadOnly);
+	QTextStream StyleSheetStream(&StyleSheetFile);
+	auto Stylesheet = StyleSheetStream.readAll();
+	StyleSheetFile.close();
+	d->DockManager->setStyleSheet(Stylesheet);
+}
+
+
+//============================================================================
+void CMainWindow::createImageViewer()
+{
+	QAction* a = qobject_cast<QAction*>(sender());
+	qDebug() << "createImageViewer " << a->text();
+
+	auto DockWidget = d->createImageViewer();
+	DockWidget->setFeature(ads::CDockWidget::DockWidgetDeleteOnClose, true);
+	DockWidget->setFeature(ads::CDockWidget::DockWidgetForceCloseWithArea, true);
+	DockWidget->setFeature(ads::CDockWidget::CustomCloseHandling, true);
+	DockWidget->resize(QSize(640, 480));
+	connect(DockWidget, &ads::CDockWidget::closeRequested, this,
+		&CMainWindow::onImageViewerCloseRequested);
+
+	if (a->text().startsWith("Floating"))
+	{
+		auto FloatingWidget = d->DockManager->addDockWidgetFloating(DockWidget);
+		FloatingWidget->move(QPoint(20, 20));
+	}
+	else if (a->text().startsWith("Docked"))
+	{
+		d->DockManager->addDockWidget(ads::RightDockWidgetArea, DockWidget);
+	}
+	else if (a->text().startsWith("Pinned"))
+	{
+		d->DockManager->addAutoHideDockWidget(ads::SideBarLeft, DockWidget);
+	}
+}
+

demo/MainWindow.h

@@ -63,7 +63,11 @@ private slots:
 	void createEditor();
 	void createTable();
 	void onEditorCloseRequested();
+	void onImageViewerCloseRequested();
 	void showStatusDialog();
+	void toggleDockWidgetWindowTitle();
+	void applyVsStyle();
+	void createImageViewer();
 };
 
 #endif // MAINWINDOW_H

demo/RenderWidget.cpp

@@ -0,0 +1,108 @@
+//============================================================================
+/// \file   RenderWidget.cpp
+/// \author Uwe Kindler
+/// \date   04.11.2022
+/// \brief  Implementation of CRenderWidget
+//============================================================================
+
+
+//============================================================================
+//                                   INCLUDES
+//============================================================================
+#include "RenderWidget.h"
+
+#include <QPainter>
+#include <math.h>
+
+
+//===========================================================================
+CRenderWidget::CRenderWidget(QWidget* Parent) :
+	QWidget(Parent), m_ScaleFactor(1)
+{
+	this->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
+	this->setCursor(Qt::OpenHandCursor);
+}
+
+//===========================================================================
+CRenderWidget::~CRenderWidget()
+{
+
+}
+
+//===========================================================================
+void CRenderWidget::showImage(const QImage& Image)
+{
+	m_Image = QPixmap::fromImage(Image);
+	this->adjustWidgetSize();
+	this->repaint();
+}
+
+//===========================================================================
+void CRenderWidget::paintEvent(QPaintEvent* Event)
+{
+	Q_UNUSED(Event);
+	QPainter Painter(this);
+	Painter.setRenderHint(QPainter::SmoothPixmapTransform, true);
+	Painter.setRenderHint(QPainter::Antialiasing, true);
+	Painter.scale(m_ScaleFactor, m_ScaleFactor);
+	Painter.drawPixmap(QPoint(0, 0), m_Image);
+}
+
+//============================================================================
+void CRenderWidget::zoomIn()
+{
+	scaleImage(1.25);
+}
+
+//============================================================================
+void CRenderWidget::zoomOut()
+{
+	scaleImage(0.8);
+}
+
+//============================================================================
+void CRenderWidget::zoomByValue(double ZoomValue)
+{
+	scaleImage(ZoomValue);
+}
+
+//============================================================================
+void CRenderWidget::normalSize()
+{
+	m_ScaleFactor = 1;
+	this->adjustWidgetSize();
+}
+
+//============================================================================
+void CRenderWidget::scaleImage(double ScaleFactor)
+{
+	m_ScaleFactor *= ScaleFactor;
+	this->adjustWidgetSize();
+}
+
+//============================================================================
+void CRenderWidget::adjustWidgetSize()
+{
+	QSize ScaledImageSize = m_Image.size() * m_ScaleFactor;
+	if (ScaledImageSize != this->size())
+	{
+		this->setFixedSize(ScaledImageSize);
+	}
+}
+
+//============================================================================
+void CRenderWidget::scaleToSize(const QSize& TargetSize)
+{
+	if (m_Image.isNull())
+	{
+		return;
+	}
+	double ScaleFactorH = (double) TargetSize.width() / m_Image.size().width();
+	double ScaleFactorV = (double) TargetSize.height()
+	    / m_Image.size().height();
+	m_ScaleFactor = (ScaleFactorH < ScaleFactorV) ? ScaleFactorH : ScaleFactorV;
+	this->adjustWidgetSize();
+}
+
+//---------------------------------------------------------------------------
+// EOF RenderWidget.cpp

demo/RenderWidget.h

@@ -0,0 +1,111 @@
+#ifndef RenderWidgetH
+#define RenderWidgetH
+//============================================================================
+/// \file   RenderWidget.h
+/// \author Uwe Kindler
+/// \date   04.11.2022
+/// \brief  Declaration of CRenderWidget
+//============================================================================
+
+//============================================================================
+//                                   INCLUDES
+//============================================================================
+#include <QWidget>
+#include <QPixmap>
+
+//============================================================================
+//                           FORWARD DECLARATIONS
+//============================================================================
+class QImage;
+
+
+/**
+ * @brief Widget for fast display of images (i.e. for video capture devices)
+ */
+class CRenderWidget : public QWidget
+{
+	Q_OBJECT
+private:
+	QPixmap m_Image;
+	double m_ScaleFactor;
+
+protected:
+	/**
+	 * @brief Reimplemented paint event method showing actual image.
+	 */
+	void paintEvent(QPaintEvent* PaintEvent);
+
+	/**
+	 * @brief Change scale factor
+	 */
+	void scaleImage(double ScaleFactor);
+
+	/**
+	 * @brief Adjust widget size to size of image.
+	 */
+	void adjustWidgetSize();
+
+public:
+	/**
+	 * Constructor
+	 * @param[in] Parent Parent widget.
+	 */
+	CRenderWidget(QWidget* Parent);
+
+	/**
+	 * Destructor
+	 */
+	virtual ~CRenderWidget();
+
+signals:
+	/**
+	 * @brief Signalize change of captured image size.
+	 * @param ImageSize New image size.
+	 */
+	void imageSizeChanged(const QSize& ImageSize);
+
+public slots:
+	/**
+	 * @brief Show new image in render widget.
+	 */
+	void showImage(const QImage& Image);
+
+	/**
+	 * @brief Zoom into the scene.
+	 * This function decreases the scaling factor by setting it to the previous
+	 * value in internal scaling list.
+	 * @brief Steps The number of steps to zoom in. One step is 25%.
+	 */
+	void zoomIn();
+
+	/**
+	 * @brief Zoom out of the scene.
+	 * This function decreases the scaling factor by setting it to the next
+	 * value in internal scaling list.
+	 * @brief Steps The number of steps to zoom out. One step is 25%.
+	 */
+	void zoomOut();
+
+	/**
+	 * @brief Change zoom by zoom value.
+	 * @param[in] ZoomValue This is the zoom value to apply. A value of 1
+	 * means no change a value > 1 increases the image (i.e. 1.25 would increase
+	 * the image by 25%) and a value of < 1 decreases the image size (i.e.
+	 * a value of 0.8 would decrease the image size by 25%).
+	 */
+	void zoomByValue(double ZoomValue);
+
+	/**
+	 * @brief Resets the actual scaling to 1 and display the image with its
+	 *        actual pixel size.
+	 */
+	void normalSize();
+
+	/**
+	 * @brief Scales the wiget and its content image to the given TargetSize
+	 */
+	void scaleToSize(const QSize& TargetSize);
+}; // class CRenderWidget
+
+//---------------------------------------------------------------------------
+#endif // RenderWidgetH

demo/app.rc

@@ -0,0 +1 @@
+IDI_ICON1               ICON    DISCARDABLE     "app.ico"

demo/demo.pro

@@ -2,28 +2,38 @@ ADS_OUT_ROOT = $${OUT_PWD}/..
 
 TARGET = AdvancedDockingSystemDemo
 DESTDIR = $${ADS_OUT_ROOT}/lib
-QT += core gui widgets
+QT += core gui widgets quick quickwidgets
 
-win32 {
-QT += axcontainer
+include(../ads.pri)
+
+lessThan(QT_MAJOR_VERSION, 6) {
+    win32 {
+        QT += axcontainer
+    }
 }
 
 CONFIG += c++14
 CONFIG += debug_and_release
 DEFINES += QT_DEPRECATED_WARNINGS
+RC_FILE += app.rc
 
 adsBuildStatic {
     DEFINES += ADS_STATIC
 }
 
-SOURCES += \
-	main.cpp \
-	MainWindow.cpp \
-	StatusDialog.cpp
 
 HEADERS += \
 	MainWindow.h \
-	StatusDialog.h
+	StatusDialog.h \
+	ImageViewer.h \
+	RenderWidget.h
+
+SOURCES += \
+	main.cpp \
+	MainWindow.cpp \
+	StatusDialog.cpp \
+	ImageViewer.cpp \
+	RenderWidget.cpp
 
 FORMS += \
 	mainwindow.ui \
@@ -34,21 +44,6 @@ RESOURCES += demo.qrc
 
 LIBS += -L$${ADS_OUT_ROOT}/lib
 
-# Dependency: AdvancedDockingSystem (shared)
-CONFIG(debug, debug|release){
-    win32 {
-        LIBS += -lqtadvanceddockingd
-    }
-    else:mac {
-        LIBS += -lqtadvanceddocking_debug
-    }
-    else {
-        LIBS += -lqtadvanceddocking
-    }
-}
-else{
-    LIBS += -lqtadvanceddocking
-}
 
 INCLUDEPATH += ../src
 DEPENDPATH += ../src

demo/demo.qrc

@@ -17,5 +17,24 @@
         <file>images/create_floating_editor.svg</file>
         <file>images/create_floating_table.svg</file>
         <file>images/docked_editor.svg</file>
+        <file>images/tab.svg</file>
+        <file>res/visual_studio_light.css</file>
+        <file>images/color_lens.svg</file>
+        <file>images/ads_icon.svg</file>
+        <file>images/ads_logo.svg</file>
+        <file>images/find_in_page.svg</file>
+        <file>images/perm_media.svg</file>
+        <file>images/zoom_in.svg</file>
+        <file>images/zoom_out.svg</file>
+        <file>images/zoom_out_map.svg</file>
+        <file>images/ads_tile_blue.svg</file>
+        <file>images/ads_tile_blue_light.svg</file>
+        <file>images/ads_tile_green.svg</file>
+        <file>images/ads_tile_orange.svg</file>
+        <file>images/photo.svg</file>
+        <file>images/crop_original.svg</file>
+        <file>images/panorama.svg</file>
+        <file>images/ads_icon2.svg</file>
+        <file>images/font_download.svg</file>
     </qresource>
 </RCC>

demo/images/ads_icon.svg

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="1024" height="1024" version="1.1" viewBox="0 0 1024 1024" xmlns="http://www.w3.org/2000/svg">
+ <text x="1251.1022" y="1305.4956" fill="#000000" font-family="sans-serif" font-size="40px" style="line-height:1.25" xml:space="preserve"><tspan x="1251.1022" y="1305.4956"/></text>
+ <g transform="translate(581.23 1750.5)">
+  <path d="m191.64-726.53h-521.75c-138.69 0-251.12-112.43-251.12-251.12v-521.75c0-138.69 112.43-251.12 251.12-251.12h521.75c138.69 0 251.12 112.43 251.12 251.12v521.75c0 138.69-112.43 251.12-251.12 251.12z" fill="#e0e0e0" style="mix-blend-mode:normal"/>
+  <path d="m-175.9-1515.9v256h469.33v-256z" fill="#009ddd" style="mix-blend-mode:normal"/>
+  <path d="m80.1-1217.2v256h213.33v-256z" fill="#ff9833" style="mix-blend-mode:normal"/>
+  <path d="m-175.9-1217.2v256h213.33v-256z" fill="#accb01" style="mix-blend-mode:normal"/>
+  <path d="m-431.9-1515.9v554.67h213.33v-554.67z" fill="#0083c3" style="mix-blend-mode:normal"/>
+ </g>
+</svg>

demo/images/ads_icon2.svg

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="1024" height="1024" version="1.1" viewBox="0 0 1024 1024" xmlns="http://www.w3.org/2000/svg">
+ <desc>electric_iron icon - Licensed under Iconfu Standard License v1.0 (https://www.iconfu.com/iconfu_standard_license) - Incors GmbH</desc>
+ <g transform="matrix(1.4118 0 0 1.4118 -210.82 -210.82)" stroke-width=".50173">
+  <text x="1251.1022" y="1305.4956" fill="#000000" font-family="sans-serif" font-size="40px" style="line-height:1.25" xml:space="preserve"><tspan x="1251.1022" y="1305.4956" stroke-width=".70833"/></text>
+  <path d="m405.33 234.66v256h469.33v-256z" fill="#009ddd" style="mix-blend-mode:normal"/>
+  <path d="m661.33 533.33v256h213.33v-256z" fill="#ff9833" style="mix-blend-mode:normal"/>
+  <path d="m405.33 533.33v256h213.33v-256z" fill="#accb01" style="mix-blend-mode:normal"/>
+  <path d="m149.33 234.66v554.67h213.33v-554.67z" fill="#0083c3" style="mix-blend-mode:normal"/>
+ </g>
+</svg>

demo/images/ads_logo.svg

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="6907.3" height="1024" version="1.1" viewBox="0 0 6907.3 1024" xmlns="http://www.w3.org/2000/svg">
+ <text x="1251.1022" y="1305.4956" fill="#000000" font-family="sans-serif" font-size="40px" style="line-height:1.25" xml:space="preserve"><tspan x="1251.1022" y="1305.4956"/></text>
+ <text x="1178.9221" y="718.37329" fill="#8f918f" font-family="sans-serif" font-size="628px" style="line-height:1.25" xml:space="preserve"><tspan x="1178.9221" y="718.37329" fill="#8f918f" font-family="'Segoe UI'" font-size="628px" font-weight="300">Qt Advanced Docking</tspan></text>
+ <g transform="translate(581.23 1750.5)">
+  <path d="m191.64-726.53h-521.75c-138.69 0-251.12-112.43-251.12-251.12v-521.75c0-138.69 112.43-251.12 251.12-251.12h521.75c138.69 0 251.12 112.43 251.12 251.12v521.75c0 138.69-112.43 251.12-251.12 251.12z" fill="#e0e0e0" style="mix-blend-mode:normal"/>
+  <path d="m-175.9-1515.9v256h469.33v-256z" fill="#009ddd" style="mix-blend-mode:normal"/>
+  <path d="m80.1-1217.2v256h213.33v-256z" fill="#ff9833" style="mix-blend-mode:normal"/>
+  <path d="m-175.9-1217.2v256h213.33v-256z" fill="#accb01" style="mix-blend-mode:normal"/>
+  <path d="m-431.9-1515.9v554.67h213.33v-554.67z" fill="#0083c3" style="mix-blend-mode:normal"/>
+ </g>
+</svg>

demo/images/ads_tile_blue.svg

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="1024" height="1024" version="1.1" viewBox="0 0 270.93 270.93" xmlns="http://www.w3.org/2000/svg">
+ <path d="m-2.5e-6 -2.5e-6v270.93h270.93v-270.93z" fill="#0083c3" stroke-width=".26458" style="mix-blend-mode:normal"/>
+ <g fill="#fff" fill-opacity=".25">
+  <g transform="matrix(.12402 0 0 .12402 71.967 73.674)" stroke-width="4.7887">
+   <path d="m405.33 234.66v256h469.33v-256z" style="mix-blend-mode:normal"/>
+   <path d="m661.33 533.33v256h213.33v-256z" style="mix-blend-mode:normal"/>
+   <path d="m405.33 533.33v256h213.33v-256z" style="mix-blend-mode:normal"/>
+   <path d="m149.33 234.66v554.67h213.33v-554.67z" style="mix-blend-mode:normal"/>
+  </g>
+  <g stroke-width=".26458" aria-label="Docking">
+   <path d="m100.07 182.94q0 2.7805-1.5208 4.1938-1.5054 1.3979-4.2091 1.3979h-3.057v-10.968h3.3796q1.6437 0 2.8573 0.61447 1.2289 0.61446 1.8895 1.8127 0.66055 1.1982 0.66055 2.9494zm-1.4594 0.0461q0-2.1967-1.0907-3.2106-1.0753-1.0292-3.057-1.0292h-1.7973v8.6026h1.4901q4.4549 0 4.4549-4.3627z"/>
+   <path d="m114.84 184.4q0 2.0431-1.0446 3.1645-1.0292 1.1214-2.7958 1.1214-1.0907 0-1.9509-0.49158-0.84489-0.50693-1.3365-1.4594-0.49158-0.96778-0.49158-2.335 0-2.0431 1.0139-3.1491 1.0292-1.106 2.8112-1.106 1.106 0 1.9663 0.50694 0.86026 0.49157 1.3365 1.444 0.49158 0.93706 0.49158 2.3042zm-6.2215 0q0 1.4594 0.56838 2.3196 0.58374 0.84489 1.8434 0.84489 1.2443 0 1.828-0.84489 0.58374-0.86025 0.58374-2.3196 0-1.4594-0.58374-2.2889-0.58375-0.82953-1.8434-0.82953t-1.828 0.82953-0.56838 2.2889z"/>
+   <path d="m125.64 188.69q-1.106 0-1.9509-0.44549-0.84489-0.44549-1.3365-1.3826-0.47622-0.93707-0.47622-2.3964 0-1.5208 0.49158-2.4732 0.50693-0.95243 1.3826-1.3979t1.9817-0.44549q0.61447 0 1.1982 0.13826 0.59911 0.12289 0.96779 0.30723l-0.41477 1.1214q-0.36868-0.13826-0.86025-0.26115-0.49158-0.1229-0.9217-0.1229-2.4272 0-2.4272 3.1184 0 1.4901 0.58374 2.2889 0.59911 0.78345 1.7666 0.78345 0.66055 0 1.1828-0.13826 0.5223-0.13825 0.95242-0.33795v1.1982q-0.41476 0.21506-0.9217 0.3226-0.49157 0.12289-1.1982 0.12289z"/>
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+   <path d="m149.32 177.22q0.30724 0 0.53766 0.21506 0.24579 0.1997 0.24579 0.64519t-0.24579 0.66056q-0.23042 0.1997-0.53766 0.1997-0.33795 0-0.56838-0.1997-0.23042-0.21507-0.23042-0.66056t0.23042-0.64519q0.23043-0.21506 0.56838-0.21506zm0.66056 3.0877v8.2339h-1.3518v-8.2339z"/>
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+  </g>
+  <g stroke-width=".26458" aria-label="Qt Advanced ">
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demo/images/ads_tile_green.svg

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demo/images/ads_tile_orange.svg

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+  </g>
+  <g stroke-width=".26458" aria-label="Qt Advanced ">
+   <path d="m100.61 89.668q0 2.0124-0.81417 3.441-0.79881 1.4133-2.3811 1.9356l2.6269 2.7344h-1.9817l-2.1199-2.4732q-0.09217 0-0.1997 0-0.09217 0.01536-0.18434 0.01536-1.7051 0-2.8419-0.70664-1.1214-0.70664-1.6744-1.9817-0.55302-1.275-0.55302-2.9802 0-1.6744 0.55302-2.9341 0.55302-1.275 1.6744-1.9817 1.1368-0.70664 2.8573-0.70664 1.6437 0 2.7651 0.70664 1.1214 0.69128 1.6898 1.9663 0.58374 1.2597 0.58374 2.9648zm-8.664 0q0 2.0738 0.87562 3.272 0.87562 1.1829 2.7344 1.1829 1.8588 0 2.719-1.1829 0.87562-1.1982 0.87562-3.272 0-2.0738-0.86026-3.2413-0.86026-1.1829-2.719-1.1829-1.8741 0-2.7497 1.1829-0.87562 1.1675-0.87562 3.2413z"/>
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+   <path d="m119.46 95.168-1.3211-3.3949h-4.3474l-1.3058 3.3949h-1.3979l4.2859-11.014h1.2443l4.2706 11.014zm-1.7359-4.6239-1.2289-3.3181q-0.0461-0.12289-0.15362-0.44549-0.10753-0.3226-0.21507-0.66055-0.0922-0.35332-0.15361-0.53766-0.1229 0.47621-0.26115 0.93706-0.12289 0.44549-0.21507 0.70664l-1.2443 3.3181z"/>
+   <path d="m125.13 95.321q-1.5362 0-2.4579-1.06-0.9217-1.0753-0.9217-3.1952t0.9217-3.1952q0.93706-1.0907 2.4732-1.0907 0.95243 0 1.5515 0.35332 0.61447 0.35332 0.99851 0.86026h0.0922q-0.0307-0.1997-0.0614-0.58374-0.0307-0.3994-0.0307-0.62983v-3.2874h1.3518v11.675h-1.0907l-0.1997-1.106h-0.0614q-0.36868 0.5223-0.98314 0.89098-0.61447 0.36868-1.5823 0.36868zm0.21506-1.1214q1.3058 0 1.828-0.70664 0.53766-0.722 0.53766-2.166v-0.24579q0-1.5362-0.50694-2.3503-0.50694-0.82953-1.8741-0.82953-1.0907 0-1.6437 0.87562-0.53766 0.86026-0.53766 2.3196 0 1.4747 0.53766 2.2889 0.55302 0.81417 1.6591 0.81417z"/>
+   <path d="m133.47 95.168-3.1184-8.2339h1.444l1.7512 4.8543q0.12289 0.33796 0.26115 0.75272 0.13825 0.41477 0.24579 0.79881 0.10753 0.38404 0.15361 0.62983h0.0615q0.0461-0.24579 0.16898-0.62983 0.12289-0.3994 0.26115-0.79881 0.13825-0.41477 0.26115-0.75272l1.7512-4.8543h1.444l-3.1338 8.2339z"/>
+   <path d="m142.58 86.796q1.5054 0 2.2274 0.66055 0.722 0.66055 0.722 2.1046v5.607h-0.98315l-0.26115-1.1675h-0.0615q-0.53766 0.67591-1.1368 0.99851-0.59911 0.3226-1.6283 0.3226-1.1214 0-1.8588-0.58374-0.73736-0.59911-0.73736-1.8588 0-1.2289 0.96778-1.8895 0.96779-0.67591 2.9802-0.73736l1.3979-0.04609v-0.49158q0-1.0292-0.44549-1.4286t-1.2597-0.3994q-0.64519 0-1.2289 0.1997-0.58374 0.18434-1.0907 0.43013l-0.41476-1.0139q0.53766-0.29187 1.275-0.49158 0.73736-0.21506 1.5362-0.21506zm1.613 4.3474-1.2136 0.04609q-1.5362 0.06145-2.1353 0.49157-0.58375 0.43013-0.58375 1.2136 0 0.69128 0.41477 1.0139 0.43013 0.3226 1.0907 0.3226 1.0292 0 1.7205-0.56838 0.70664-0.58374 0.70664-1.782z"/>
+   <path d="m152.04 86.78q1.4747 0 2.2274 0.722 0.75272 0.722 0.75272 2.3043v5.3612h-1.3365v-5.2691q0-1.9817-1.8434-1.9817-1.3672 0-1.8895 0.76808t-0.5223 2.2121v4.2706h-1.3518v-8.2339h1.0907l0.1997 1.1214h0.0768q0.39941-0.64519 1.106-0.95243 0.70663-0.3226 1.4901-0.3226z"/>
+   <path d="m160.87 95.321q-1.106 0-1.9509-0.44549-0.8449-0.44549-1.3365-1.3826-0.47622-0.93706-0.47622-2.3964 0-1.5208 0.49158-2.4732 0.50694-0.95243 1.3826-1.3979 0.87562-0.44549 1.9817-0.44549 0.61447 0 1.1982 0.13826 0.59911 0.12289 0.96779 0.30723l-0.41476 1.1214q-0.36869-0.13826-0.86026-0.26115-0.49157-0.12289-0.9217-0.12289-2.4272 0-2.4272 3.1184 0 1.4901 0.58374 2.2889 0.59911 0.78345 1.7666 0.78345 0.66055 0 1.1828-0.13826 0.5223-0.13826 0.95243-0.33796v1.1982q-0.41477 0.21506-0.92171 0.3226-0.49157 0.12289-1.1982 0.12289z"/>
+   <path d="m168.13 86.78q1.0446 0 1.8127 0.46085 0.76809 0.46085 1.1675 1.3057 0.41477 0.82953 0.41477 1.9509v0.81417h-5.6378q0.0307 1.3979 0.70664 2.1353 0.69128 0.722 1.9202 0.722 0.78345 0 1.3826-0.13826 0.61447-0.15362 1.2597-0.43013v1.1829q-0.62983 0.27651-1.2443 0.3994-0.61447 0.13826-1.4594 0.13826-1.1828 0-2.0738-0.47621t-1.3979-1.4133q-0.49157-0.93706-0.49157-2.3196 0-1.3518 0.44549-2.3196 0.46085-0.96779 1.275-1.4901 0.82953-0.5223 1.9202-0.5223zm-0.0154 1.106q-0.96779 0-1.5362 0.62983-0.55302 0.61447-0.66055 1.7205h4.1937q-0.0154-1.0446-0.49157-1.6898-0.47622-0.66055-1.5054-0.66055z"/>
+   <path d="m176.53 95.321q-1.5362 0-2.4579-1.06-0.92171-1.0753-0.92171-3.1952t0.92171-3.1952q0.93706-1.0907 2.4732-1.0907 0.95243 0 1.5515 0.35332 0.61447 0.35332 0.99851 0.86026h0.0922q-0.0307-0.1997-0.0614-0.58374-0.0307-0.3994-0.0307-0.62983v-3.2874h1.3518v11.675h-1.0907l-0.1997-1.106h-0.0614q-0.36868 0.5223-0.98315 0.89098-0.61446 0.36868-1.5822 0.36868zm0.21506-1.1214q1.3058 0 1.828-0.70664 0.53766-0.722 0.53766-2.166v-0.24579q0-1.5362-0.50693-2.3503-0.50694-0.82953-1.8741-0.82953-1.0907 0-1.6437 0.87562-0.53766 0.86026-0.53766 2.3196 0 1.4747 0.53766 2.2889 0.55302 0.81417 1.6591 0.81417z"/>
+  </g>
+ </g>
+</svg>

demo/images/color_lens.svg

@@ -0,0 +1,6 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0,0,1024,1024">
+	<desc>color_lens icon - Licensed under Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0) - Created with Iconfu.com - Derivative work of Material icons (Copyright Google Inc.)</desc>
+	<g fill="#03b8e5" fill-rule="nonzero" style="mix-blend-mode: normal">
+		<path d="M896,469.33c0,117.76 -95.57,213.34 -213.33,213.34h-75.52c-35.41,0 -64,28.59 -64,64c0,16.21 6.4,31.15 16.21,42.24c10.24,11.52 16.64,26.45 16.64,43.09c0,35.41 -28.59,64 -64,64c-212.05,0 -384,-171.95 -384,-384c0,-212.05 171.95,-384 384,-384c212.05,0 384,152.74 384,341.33zM341.33,448c0,-35.41 -28.59,-64 -64,-64c-35.41,0 -64,28.59 -64,64c0,35.41 28.59,64 64,64c35.41,0 64,-28.59 64,-64zM469.33,277.33c0,-35.41 -28.59,-64 -64,-64c-35.41,0 -64,28.59 -64,64c0,35.41 28.59,64 64,64c35.41,0 64,-28.59 64,-64zM682.67,277.33c0,-35.41 -28.59,-64 -64,-64c-35.41,0 -64,28.59 -64,64c0,35.41 28.59,64 64,64c35.41,0 64,-28.59 64,-64zM810.67,448c0,-35.41 -28.59,-64 -64,-64c-35.41,0 -64,28.59 -64,64c0,35.41 28.59,64 64,64c35.41,0 64,-28.59 64,-64z"/>
+	</g>
+</svg>

demo/images/crop_original.svg

@@ -0,0 +1,6 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0,0,1024,1024">
+	<desc>crop_original icon - Licensed under Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0) - Created with Iconfu.com - Derivative work of Material icons (Copyright Google Inc.)</desc>
+	<g fill="#03b8e5" fill-rule="nonzero" style="mix-blend-mode: normal">
+		<path d="M896,213.33v597.34c0,46.93 -38.4,85.33 -85.33,85.33h-597.34c-46.93,0 -85.33,-38.4 -85.33,-85.33v-597.34c0,-46.93 38.4,-85.33 85.33,-85.33h597.34c46.93,0 85.33,38.4 85.33,85.33zM810.67,213.33h-597.34v597.34h597.34zM746.67,725.33h-469.34l117.34,-150.61l83.62,100.69l117.34,-151.04z"/>
+	</g>
+</svg>

demo/images/find_in_page.svg

@@ -0,0 +1,6 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0,0,1024,1024">
+	<desc>find_in_page icon - Licensed under Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0) - Created with Iconfu.com - Derivative work of Material icons (Copyright Google Inc.)</desc>
+	<g fill="#03b8e5" fill-rule="nonzero" style="mix-blend-mode: normal">
+		<path d="M689.92,672c22.19,-33.71 35.41,-73.81 35.41,-117.33c0,-117.76 -95.57,-213.34 -213.33,-213.34c-117.76,0 -213.33,95.58 -213.33,213.34c0,117.76 95.57,213.33 213.33,213.33c43.52,0 83.63,-13.22 117.76,-35.41l189.01,189.01c-14.51,10.67 -31.57,17.07 -50.77,17.07h-512.43c-46.93,0 -84.9,-38.41 -84.9,-85.34l0.42,-682.66c0,-46.93 37.98,-85.34 84.91,-85.34h341.33l256,256v494.51zM512,426.67c70.83,0 128,57.17 128,128c0,70.83 -57.17,128 -128,128c-70.83,0 -128,-57.17 -128,-128c0,-70.83 57.17,-128 128,-128z"/>
+	</g>
+</svg>

demo/images/font_download.svg

@@ -0,0 +1,6 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0,0,1024,1024">
+	<desc>font_download icon - Licensed under Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0) - Created with Iconfu.com - Derivative work of Material icons (Copyright Google Inc.)</desc>
+	<g fill="#03b8e5" fill-rule="nonzero" style="mix-blend-mode: normal">
+		<path d="M938.67,170.67v682.66c0,46.93 -38.41,85.34 -85.34,85.34h-682.66c-46.93,0 -85.34,-38.41 -85.34,-85.34v-682.66c0,-46.93 38.41,-85.34 85.34,-85.34h682.66c46.93,0 85.34,38.41 85.34,85.34zM769.71,789.33l-218.03,-554.66h-79.36l-218.03,554.66h89.18l47.78,-128h240.64l48.64,128zM512,340.48l88.32,235.52h-176.64z"/>
+	</g>
+</svg>

demo/images/panorama.svg

@@ -0,0 +1,6 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0,0,1024,1024">
+	<desc>panorama icon - Licensed under Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0) - Created with Iconfu.com - Derivative work of Material icons (Copyright Google Inc.)</desc>
+	<g fill="#03b8e5" fill-rule="nonzero" style="mix-blend-mode: normal">
+		<path d="M896,853.33h-768c-46.93,0 -85.33,-38.4 -85.33,-85.33v-512c0,-46.93 38.4,-85.33 85.33,-85.33h768c46.93,0 85.33,38.4 85.33,85.33v512c0,46.93 -38.4,85.33 -85.33,85.33zM213.33,725.33h597.34l-192,-256l-149.34,192.43l-106.66,-128.43z"/>
+	</g>
+</svg>

demo/images/perm_media.svg

@@ -0,0 +1,6 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0,0,1024,1024">
+	<desc>perm_media icon - Licensed under Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0) - Created with Iconfu.com - Derivative work of Material icons (Copyright Google Inc.)</desc>
+	<g fill="#03b8e5" fill-rule="nonzero" style="mix-blend-mode: normal">
+		<path d="M1024,256v426.67c0,46.93 -38.4,85.33 -85.33,85.33h-682.67c-46.93,0 -85.33,-38.4 -85.33,-85.33l0.42,-512c0,-46.93 37.98,-85.34 84.91,-85.34h256l85.33,85.34h341.34c46.93,0 85.33,38.4 85.33,85.33zM85.33,853.33h768v85.34h-768c-46.93,0 -85.33,-38.41 -85.33,-85.34l0.43,-384h-0.43v-213.33h85.33zM896,640l-149.33,-192l-106.67,128.43l-149.33,-192.43l-192,256z"/>
+	</g>
+</svg>

demo/images/photo.svg

@@ -0,0 +1,6 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0,0,1024,1024">
+	<desc>photo icon - Licensed under Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0) - Created with Iconfu.com - Derivative work of Material icons (Copyright Google Inc.)</desc>
+	<g fill="#03b8e5" fill-rule="nonzero" style="mix-blend-mode: normal">
+		<path d="M810.67,896h-597.34c-46.93,0 -85.33,-38.4 -85.33,-85.33v-597.34c0,-46.93 38.4,-85.33 85.33,-85.33h597.34c46.93,0 85.33,38.4 85.33,85.33v597.34c0,46.93 -38.4,85.33 -85.33,85.33zM213.33,768h597.34l-192,-256l-149.34,192.43l-106.66,-128.43z"/>
+	</g>
+</svg>

demo/images/tab.svg

@@ -0,0 +1,6 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0,0,1024,1024">
+	<desc>tab icon - Licensed under Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0) - Created with Iconfu.com - Derivative work of Material icons (Copyright Google Inc.)</desc>
+	<g fill="#03b8e5" fill-rule="nonzero" style="mix-blend-mode: normal">
+		<path d="M981.33,213.33v597.34c0,46.93 -38.4,85.33 -85.33,85.33h-768c-46.93,0 -85.33,-38.4 -85.33,-85.33v-597.34c0,-46.93 38.4,-85.33 85.33,-85.33h768c46.93,0 85.33,38.4 85.33,85.33zM896,384h-341.33v-170.67h-426.67v597.34h768z"/>
+	</g>
+</svg>

demo/images/zoom_in.svg

@@ -0,0 +1,6 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0,0,1024,1024">
+	<desc>zoom_in icon - Licensed under Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0) - Created with Iconfu.com - Derivative work of Material icons (Copyright Google Inc.)</desc>
+	<g fill="#03b8e5" fill-rule="nonzero" style="mix-blend-mode: normal">
+		<path d="M874.24,810.67l-63.57,63.57l-213.34,-212.91v-33.7l-11.52,-11.95c-48.64,41.81 -111.79,66.99 -180.48,66.99c-153.17,0 -277.33,-124.17 -277.33,-277.34c0,-153.17 124.16,-277.33 277.33,-277.33c153.17,0 277.34,124.16 277.34,277.33c0,68.69 -25.18,131.84 -66.99,180.48l11.95,11.52h33.7zM597.33,405.33c0,-106.24 -85.76,-192 -192,-192c-106.24,0 -192,85.76 -192,192c0,106.24 85.76,192 192,192c106.24,0 192,-85.76 192,-192zM512,426.67h-85.33v85.33h-42.67v-85.33h-85.33v-42.67h85.33v-85.33h42.67v85.33h85.33z"/>
+	</g>
+</svg>

demo/images/zoom_out.svg

@@ -0,0 +1,6 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0,0,1024,1024">
+	<desc>zoom_out icon - Licensed under Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0) - Created with Iconfu.com - Derivative work of Material icons (Copyright Google Inc.)</desc>
+	<g fill="#03b8e5" fill-rule="nonzero" style="mix-blend-mode: normal">
+		<path d="M874.24,810.67l-63.57,63.57l-213.34,-212.91v-33.7l-11.52,-11.95c-48.64,41.81 -111.79,66.99 -180.48,66.99c-153.17,0 -277.33,-124.17 -277.33,-277.34c0,-153.17 124.16,-277.33 277.33,-277.33c153.17,0 277.34,124.16 277.34,277.33c0,68.69 -25.18,131.84 -66.99,180.48l11.95,11.52h33.7zM597.33,405.33c0,-106.24 -85.76,-192 -192,-192c-106.24,0 -192,85.76 -192,192c0,106.24 85.76,192 192,192c106.24,0 192,-85.76 192,-192zM298.67,384h213.33v42.67h-213.33z"/>
+	</g>
+</svg>

demo/images/zoom_out_map.svg

@@ -0,0 +1,6 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0,0,1024,1024">
+	<desc>zoom_out_map icon - Licensed under Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0) - Created with Iconfu.com - Derivative work of Material icons (Copyright Google Inc.)</desc>
+	<g fill="#03b8e5" fill-rule="nonzero" style="mix-blend-mode: normal">
+		<path d="M896,896h-256l98.13,-98.13l-123.3,-122.46l60.58,-60.58l122.46,123.3l98.13,-98.13zM896,128v256l-98.13,-98.13l-122.46,123.3l-60.58,-60.58l123.3,-122.46l-98.13,-98.13zM128,896v-256l98.13,98.13l122.46,-123.3l60.58,60.58l-123.3,122.46l98.13,98.13zM128,128h256l-98.13,98.13l123.3,122.46l-60.58,60.58l-122.46,-123.3l-98.13,98.13z"/>
+	</g>
+</svg>

demo/main.cpp

@@ -35,25 +35,28 @@ void myMessageOutput(QtMsgType type, const QMessageLogContext &context, const QS
 
 int main(int argc, char *argv[])
 {
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
 	QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
 #if QT_VERSION >= 0x050600
     QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
 #endif
 	std::shared_ptr<int> b;
 	QApplication a(argc, argv);
 	a.setApplicationName("Advanced Docking System Demo");
 	a.setQuitOnLastWindowClosed(true);
-
-	QFile StyleSheetFile(":/adsdemo/app.css");
-	StyleSheetFile.open(QIODevice::ReadOnly);
-	QTextStream StyleSheetStream(&StyleSheetFile);
-	a.setStyleSheet(StyleSheetStream.readAll());
-	StyleSheetFile.close();
+	a.setWindowIcon(QIcon(":/adsdemo/images/ads_icon2.svg"));
 
 	qInstallMessageHandler(myMessageOutput);
 	qDebug() << "Message handler test";
 
 	CMainWindow mw;
 	mw.show();
+
+	QFile StyleSheetFile(":/adsdemo/app.css");
+	StyleSheetFile.open(QIODevice::ReadOnly);
+	QTextStream StyleSheetStream(&StyleSheetFile);
+	a.setStyleSheet(StyleSheetStream.readAll());
+	StyleSheetFile.close();
 	return a.exec();
 }

demo/main.py

@@ -10,11 +10,11 @@ from PyQt5.QtCore import (QCoreApplication, QDir, Qt, QSettings, QSignalBlocker,
                           QtCriticalMsg, QtFatalMsg, QSize)
 from PyQt5.QtGui import (QGuiApplication, QIcon, QCloseEvent)
 from PyQt5.QtWidgets import (QCalendarWidget, QFileSystemModel, QFrame, QLabel,
-                            QMenu, QTreeView, QAction, QWidgetAction,
-                            QComboBox, QStyle, QSizePolicy, QInputDialog, QMenu,
-                            QToolButton, QWidget, QPlainTextEdit,
-                            QTableWidget, QTableWidgetItem, QApplication,
-                            QMessageBox)
+                             QMenu, QTreeView, QAction, QWidgetAction,
+                             QComboBox, QStyle, QSizePolicy, QInputDialog, QMenu,
+                             QToolButton, QWidget, QPlainTextEdit,
+                             QTableWidget, QTableWidgetItem, QApplication,
+                             QMessageBox)
 try:
     from PyQt5.QAxContainer import QAxWidget
 except ImportError:
@@ -48,7 +48,7 @@ def features_string(dock_widget: QtAds.CDockWidget) -> str:
     f = dock_widget.features()
     closable = f & QtAds.CDockWidget.DockWidgetClosable
     movable = f & QtAds.CDockWidget.DockWidgetMovable
-    floatable = f &QtAds.CDockWidget.DockWidgetFloatable
+    floatable = f & QtAds.CDockWidget.DockWidgetFloatable
     
     return "c{} m{} f{}".format("+" if closable else "-",
                                 "+" if movable else "-",
@@ -65,95 +65,11 @@ def append_feature_string_to_window_title(dock_widget: QtAds.CDockWidget):
 def svg_icon(filename: str):
     '''Helper function to create an SVG icon'''
     # This is a workaround, because because in item views SVG icons are not
-    # properly scaled an look blurry or pixelate
+    # properly scaled and look blurry or pixelate
     icon = QIcon(filename)
     icon.addPixmap(icon.pixmap(92))
     return icon
-    
 
-def create_long_text_label_dock_widget(view_menu: QMenu) -> QtAds.CDockWidget:
-    label = QLabel()
-    label.setWordWrap(True)
-    label.setAlignment(Qt.AlignTop | Qt.AlignLeft)
-    label.setText('''\
-Label {} {} - Lorem ipsum dolor sit amet, consectetuer
-adipiscing elit.  Aenean commodo ligula eget dolor. Aenean massa. Cum
-sociis natoque penatibus et magnis dis parturient montes, nascetur
-ridiculus mus.  Donec quam felis, ultricies nec, pellentesque eu, pretium
-quis, sem.  Nulla consequat massa quis enim. Donec pede justo, fringilla
-vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut,
-imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis
-pretium. Integer tincidunt. Cras dapibus. Vivamus elementum semper nisi.
-Aenean vulputate eleifend tellus. Aenean leo ligula, porttitor eu,
-consequat vitae, eleifend ac, enim. Aliquam lorem ante, dapibus in, viverra
-quis, feugiat a, tellus. Phasellus viverra nulla ut metus varius laoreet.
-    '''.format(_State.label_count, datetime.datetime.now().strftime("%H:%M:%S:%f")))
-    dock_widget = QtAds.CDockWidget("Label {}".format(_State.label_count))
-    _State.label_count += 1
-    dock_widget.setWidget(label)
-
-    view_menu.addAction(dock_widget.toggleViewAction())
-    return dock_widget
-
-
-def create_calendar_dock_widget(view_menu: QMenu) -> QtAds.CDockWidget:
-    widget = QCalendarWidget()
-
-    dock_widget = QtAds.CDockWidget("Calendar {}".format(_State.calendar_count))
-    _State.calendar_count += 1
-    # The following lines are for testing the setWidget() and takeWidget()
-    # functionality
-    dock_widget.setWidget(widget)
-    dock_widget.setWidget(widget)  # what happens if we set a widget if a widget is already set
-    dock_widget.takeWidget()  # we remove the widget
-    dock_widget.setWidget(widget)  # and set the widget again - there should be no error
-    dock_widget.setToggleViewActionMode(QtAds.CDockWidget.ActionModeShow)
-    dock_widget.setIcon(svg_icon(":/adsdemo/images/date_range.svg"))
-    view_menu.addAction(dock_widget.toggleViewAction())
-    return dock_widget
-
-
-def create_file_system_tree_dock_widget(view_menu: QMenu) -> QtAds.CDockWidget:
-    widget = QTreeView()
-    widget.setFrameShape(QFrame.NoFrame)
-
-    m = QFileSystemModel(widget)
-    m.setRootPath(QDir.currentPath())
-    widget.setModel(m)
-
-    dock_widget = QtAds.CDockWidget("Filesystem {}".format(_State.file_system_count))
-    _State.file_system_count += 1
-    dock_widget.setWidget(widget)
-    view_menu.addAction(dock_widget.toggleViewAction())
-    return dock_widget
- 
- 
-def create_editor_widget(view_menu: QMenu) -> QtAds.CDockWidget: 
-    widget = QPlainTextEdit()
-    widget.setPlaceholderText("This is an editor. If you close the editor, it will be "
-        "deleted. Enter your text here.")
-    widget.setStyleSheet("border: none")
-    dock_widget = QtAds.CDockWidget("Editor {}".format(_State.editor_count))
-    _State.editor_count += 1
-    dock_widget.setWidget(widget)
-    dock_widget.setIcon(svg_icon(":/adsdemo/images/edit.svg"))
-    dock_widget.setFeature(QtAds.CDockWidget.CustomCloseHandling, True)
-    view_menu.addAction(dock_widget.toggleViewAction())
-
-    options_menu = QMenu(dock_widget)
-    options_menu.setTitle("Options")
-    options_menu.setToolTip(options_menu.title())
-    options_menu.setIcon(svg_icon(":/adsdemo/images/custom-menu-button.svg"))
-    menu_action = options_menu.menuAction()
-    # The object name of the action will be set for the QToolButton that
-    # is created in the dock area title bar. You can use this name for CSS
-    # styling
-    menu_action.setObjectName("options_menu")
-    dock_widget.setTitleBarActions([options_menu.menuAction()])
-    a = options_menu.addAction("Clear Editor")
-    a.triggered.connect(widget.clear)
-
-    return dock_widget
 
 class CMinSizeTableWidget(QTableWidget):
     """Custom QTableWidget with a minimum size hint to test CDockWidget
@@ -162,43 +78,6 @@ class CMinSizeTableWidget(QTableWidget):
     def minimumSizeHint(self) -> QSize:
         return QSize(300, 100)
 
-def create_table_widget(view_menu: QMenu) -> QtAds.CDockWidget: 
-    widget = CMinSizeTableWidget()
-    dock_widget = QtAds.CDockWidget("Table {}".format(_State.table_count))
-    _State.table_count += 1
-    COLCOUNT = 5
-    ROWCOUNT = 30
-    widget.setColumnCount(COLCOUNT)
-    widget.setRowCount(ROWCOUNT)
-    for col in range(ROWCOUNT):
-        widget.setHorizontalHeaderItem(col, QTableWidgetItem("Col {}".format(col+1)))
-        for row in range(ROWCOUNT):
-            widget.setItem(row, col, QTableWidgetItem("T {:}-{:}".format(row+1, col+1)))
-    
-    dock_widget.setWidget(widget)
-    dock_widget.setIcon(svg_icon(":/adsdemo/images/grid_on.svg"))
-    dock_widget.setMinimumSizeHintMode(QtAds.CDockWidget.MinimumSizeHintFromContent)
-    toolbar = dock_widget.createDefaultToolBar()
-    action = toolbar.addAction(svg_icon(":/adsdemo/images/fullscreen.svg"), "Toggle Fullscreen")
-    def on_toggle_fullscreen():
-        if dock_widget.isFullScreen():
-            dock_widget.showNormal()
-        else:
-            dock_widget.showFullScreen()
-    action.triggered.connect(on_toggle_fullscreen)
-    view_menu.addAction(dock_widget.toggleViewAction())
-    return dock_widget
-    
-    
-if ACTIVEX_AVAILABLE:
-    def create_activex_widget(view_menu: QMenu, parent: QWidget = None) -> QtAds.CDockWidget: 
-        widget = QAxWidget("{6bf52a52-394a-11d3-b153-00c04f79faa6}", parent)
-        dock_widget = QtAds.CDockWidget("Active X {}".format(_State.activex_count))
-        _State.activex_count += 1
-        dock_widget.setWidget(widget)
-        view_menu.addAction(dock_widget.toggleViewAction())
-        return dock_widget
-    
     
 class CCustomComponentsFactory(QtAds.CDockComponentsFactory):
 
@@ -225,6 +104,8 @@ class MainWindow(MainWindowUI, MainWindowBase):
         self.perspective_list_action = None
         self.perspective_combo_box = None
         self.dock_manager = None
+        self.window_title_test_dock_widget = None
+        self.last_docked_editor = None
 
         self.setupUi(self)
         self.create_actions()
@@ -235,37 +116,45 @@ class MainWindow(MainWindowUI, MainWindowBase):
         
         # uncomment the following line if you want to use opaque undocking and
         # opaque splitter resizing
-        #QtAds.CDockManager.setConfigFlags(QtAds.CDockManager.DefaultOpaqueConfig);
+        #QtAds.CDockManager.setConfigFlags(QtAds.CDockManager.DefaultOpaqueConfig)
         
         # uncomment the following line if you want a fixed tab width that does
         # not change if the visibility of the close button changes
         #QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.RetainTabSizeWhenCloseButtonHidden, True)
 
         # uncomment the following line if you don't want close button on DockArea's title bar
-        #QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.DockAreaHasCloseButton, false);
+        #QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.DockAreaHasCloseButton, False)
 
         # uncomment the following line if you don't want undock button on DockArea's title bar
-        #QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.DockAreaHasUndockButton, false);
+        #QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.DockAreaHasUndockButton, False)
 
         # uncomment the following line if you don't want tabs menu button on DockArea's title bar
-        #QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.DockAreaHasTabsMenuButton, false);
+        #QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.DockAreaHasTabsMenuButton, False)
 
         # uncomment the following line if you don't want disabled buttons to appear on DockArea's title bar
-        #QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.DockAreaHideDisabledButtons, true);
+        #QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.DockAreaHideDisabledButtons, True)
 
         # uncomment the following line if you want to show tabs menu button on DockArea's title bar only when there are more than one tab and at least of them has elided title
-        #QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.DockAreaDynamicTabsMenuButtonVisibility, true);
+        #QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.DockAreaDynamicTabsMenuButtonVisibility, True)
 
         # uncomment the following line if you want floating container to always show application title instead of active dock widget's title
-        #QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.FloatingContainerHasWidgetTitle, false);
+        #QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.FloatingContainerHasWidgetTitle, False)
 
         # uncomment the following line if you want floating container to show active dock widget's icon instead of always showing application icon
-        #QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.FloatingContainerHasWidgetIcon, true);
+        #QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.FloatingContainerHasWidgetIcon, True)
 
         # uncomment the following line if you want a central widget in the main dock container (the dock manager) without a titlebar
         # If you enable this code, you can test it in the demo with the Calendar 0
         # dock widget.
-        #QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.HideSingleCentralWidgetTitleBar, true);
+        #QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.HideSingleCentralWidgetTitleBar, True)
+        
+        # uncomment the following line to enable focus highlighting of the dock
+        # widget that has the focus
+        QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.FocusHighlighting, True)
+        
+        # uncomment if you would like to enable an equal distribution of the
+        # available size of a splitter to all contained dock widgets
+        # QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.EqualSplitOnInsertion, True)
 
         # Now create the dock manager and its content
         self.dock_manager = QtAds.CDockManager(self)
@@ -288,8 +177,7 @@ class MainWindow(MainWindowUI, MainWindowBase):
 
     def create_content(self):
         # Test container docking
-        view_menu = self.menuView
-        dock_widget = create_calendar_dock_widget(view_menu)
+        dock_widget = self.create_calendar_dock_widget()
         dock_widget.setFeature(QtAds.CDockWidget.DockWidgetClosable, False)
         special_dock_area = self.dock_manager.addDockWidget(QtAds.LeftDockWidgetArea, dock_widget)
         
@@ -297,8 +185,11 @@ class MainWindow(MainWindowUI, MainWindowBase):
         special_dock_area.setAllowedAreas(QtAds.OuterDockAreas)
         # special_dock_area.setAllowedAreas(QtAds.LeftDockWidgetArea | QtAds.RightDockWidgetArea) # just for testing
         
-        self.dock_manager.addDockWidget(QtAds.LeftDockWidgetArea, create_long_text_label_dock_widget(view_menu))
-        file_system_widget = create_file_system_tree_dock_widget(view_menu)
+        dock_widget = self.create_long_text_label_dock_widget()
+        self.window_title_test_dock_widget = dock_widget
+        dock_widget.setFeature(QtAds.CDockWidget.DockWidgetFocusable, False)
+        self.dock_manager.addDockWidget(QtAds.LeftDockWidgetArea, dock_widget)
+        file_system_widget = self.create_file_system_tree_dock_widget()
         tool_bar = file_system_widget.createDefaultToolBar()
         tool_bar.addAction(self.actionSaveState)
         tool_bar.addAction(self.actionRestoreState)
@@ -306,10 +197,7 @@ class MainWindow(MainWindowUI, MainWindowBase):
         append_feature_string_to_window_title(file_system_widget)
         self.dock_manager.addDockWidget(QtAds.BottomDockWidgetArea, file_system_widget)
         
-        file_system_widget = create_file_system_tree_dock_widget(view_menu)
-        tool_bar = file_system_widget.createDefaultToolBar()
-        tool_bar.addAction(self.actionSaveState)
-        tool_bar.addAction(self.actionRestoreState)
+        file_system_widget = self.create_file_system_tree_dock_widget()
         file_system_widget.setFeature(QtAds.CDockWidget.DockWidgetMovable, False)
         file_system_widget.setFeature(QtAds.CDockWidget.DockWidgetFloatable, False)
         append_feature_string_to_window_title(file_system_widget)
@@ -317,13 +205,27 @@ class MainWindow(MainWindowUI, MainWindowBase):
         # Test custom factory - we inject a help button into the title bar
         QtAds.CDockComponentsFactory.setFactory(CCustomComponentsFactory())
         top_dock_area = self.dock_manager.addDockWidget(QtAds.TopDockWidgetArea, file_system_widget)
+        # Uncomment the next line if you would like to test the
+        # HideSingleWidgetTitleBar functionality
+        # top_dock_area.setDockAreaFlag(QtAds.CDockAreaWidget.HideSingleWidgetTitleBar, True)
         QtAds.CDockComponentsFactory.resetDefaultFactory()
 
         # We create a calendar widget and clear all flags to prevent the dock area
         # from closing
-        dock_widget = create_calendar_dock_widget(view_menu)
+        dock_widget = self.create_calendar_dock_widget()
         dock_widget.setTabToolTip("Tab ToolTip\nHodie est dies magna")
         dock_area = self.dock_manager.addDockWidget(QtAds.CenterDockWidgetArea, dock_widget, top_dock_area)
+        # Now we create a action to test resizing of DockArea widget
+        action = self.menuTests.addAction("Resize {}".format(dock_widget.windowTitle()))
+        def action_triggered():
+            splitter = QtAds.internal.findParent(QtAds.CDockSplitter, dock_area)
+            if not splitter:
+                return
+            # We change the sizes of the splitter that contains the Calendar 1 widget
+            # to resize the dock widget
+            width = splitter.width()
+            splitter.setSizes([width * 2/3, width * 1/3])
+        action.triggered.connect(action_triggered)
 
         # Now we add a custom button to the dock area title bar that will create
         # new editor widgets when clicked
@@ -336,7 +238,7 @@ class MainWindow(MainWindowUI, MainWindowBase):
         index = title_bar.indexOf(title_bar.tabBar())
         title_bar.insertWidget(index + 1, custom_button)
         def on_button_clicked():
-            dock_widget = create_editor_widget(self.menuView)
+            dock_widget = self.create_editor_widget()
             dock_widget.setFeature(QtAds.CDockWidget.DockWidgetDeleteOnClose, True)
             self.dock_manager.addDockWidgetTabToArea(dock_widget, dock_area)
             dock_widget.closeRequested.connect(self.on_editor_close_requested)
@@ -345,21 +247,21 @@ class MainWindow(MainWindowUI, MainWindowBase):
         # Test dock area docking
         right_dock_area = self.dock_manager.addDockWidget(
             QtAds.RightDockWidgetArea,
-            create_long_text_label_dock_widget(view_menu), top_dock_area)
+            self.create_long_text_label_dock_widget(), top_dock_area)
         self.dock_manager.addDockWidget(
             QtAds.TopDockWidgetArea,
-            create_long_text_label_dock_widget(view_menu), right_dock_area)
+            self.create_long_text_label_dock_widget(), right_dock_area)
     
         bottom_dock_area = self.dock_manager.addDockWidget(
             QtAds.BottomDockWidgetArea,
-            create_long_text_label_dock_widget(view_menu), right_dock_area)
+            self.create_long_text_label_dock_widget(), right_dock_area)
 
         self.dock_manager.addDockWidget(
             QtAds.CenterDockWidgetArea,
-            create_long_text_label_dock_widget(view_menu), right_dock_area)
+            self.create_long_text_label_dock_widget(), right_dock_area)
         self.dock_manager.addDockWidget(
             QtAds.CenterDockWidgetArea,
-            create_long_text_label_dock_widget(view_menu), bottom_dock_area)
+            self.create_long_text_label_dock_widget(), bottom_dock_area)
 
         
         action = self.menuTests.addAction("Set {} Floating".format(dock_widget.windowTitle()))
@@ -373,7 +275,7 @@ class MainWindow(MainWindowUI, MainWindowBase):
             flags = self.dock_manager.configFlags()
             if flags & QtAds.CDockManager.OpaqueUndocking:
                 self.dock_manager.addDockWidget(QtAds.CenterDockWidgetArea,
-                    create_activex_widget(view_menu), right_dock_area)
+                                                self.create_activex_widget(), right_dock_area)
                     
         for dock_widget in self.dock_manager.dockWidgetsMap().values():
             dock_widget.viewToggled.connect(self.on_view_toggled)
@@ -425,6 +327,7 @@ class MainWindow(MainWindowUI, MainWindowBase):
         
     def closeEvent(self, event: QCloseEvent):
         self.save_state()
+        self.dock_manager.deleteLater()
         super().closeEvent(event)
         
     def on_actionSaveState_triggered(self, state: bool):
@@ -460,21 +363,27 @@ class MainWindow(MainWindowUI, MainWindowBase):
         if dock_widget is None:
             return
 
-        qDebug("{} visibility_changed({})".format(dock_widget.objectName(), visible))
+        # qDebug("{} visibility_changed({})".format(dock_widget.objectName(), visible))
             
     def create_editor(self):
         sender = self.sender()
         floating = sender.property("Floating")
-        print("Floating:", floating)
-        dock_widget = create_editor_widget(self.menuView)
+        dock_widget = self.create_editor_widget()
         dock_widget.setFeature(QtAds.CDockWidget.DockWidgetDeleteOnClose, True)
+        dock_widget.setFeature(QtAds.CDockWidget.DockWidgetForceCloseWithArea, True)
         dock_widget.closeRequested.connect(self.on_editor_close_requested)
         
         if floating:
             floating_widget = self.dock_manager.addDockWidgetFloating(dock_widget)
             floating_widget.move(QPoint(20, 20))
         else:
-            self.dock_manager.addDockWidget(QtAds.TopDockWidgetArea, dock_widget)
+            editor_area = self.last_docked_editor.dockAreaWidget() if self.last_docked_editor is not None else None
+            if editor_area is not None:
+                self.dock_manager.setConfigFlag(QtAds.CDockManager.EqualSplitOnInsertion, True)
+                self.dock_manager.addDockWidget(QtAds.RightDockWidgetArea, dock_widget, editor_area)
+            else:
+                self.dock_manager.addDockWidget(QtAds.TopDockWidgetArea, dock_widget)
+            self.last_docked_editor = dock_widget
             
     def on_editor_close_requested(self):
         dock_widget = self.sender()
@@ -484,7 +393,7 @@ class MainWindow(MainWindowUI, MainWindowBase):
             dock_widget.closeDockWidget()
             
     def create_table(self):
-        dock_widget = create_table_widget(self.menuView)
+        dock_widget = self.create_table_widget()
         dock_widget.setFeature(QtAds.CDockWidget.DockWidgetDeleteOnClose, True)
         floating_widget = self.dock_manager.addDockWidgetFloating(dock_widget)
         floating_widget.move(QPoint(40, 40))
@@ -493,6 +402,16 @@ class MainWindow(MainWindowUI, MainWindowBase):
         dialog = CStatusDialog(self.dock_manager)
         dialog.exec_()
 
+
+    def toggle_dock_widget_window_title(self):
+        title = self.window_title_test_dock_widget.windowTitle()
+        i = title.find(" (Test) ")
+        if i == -1:
+            title += " (Test) "
+        else:
+            title = title[i]
+        self.window_title_test_dock_widget.setWindowTitle(title)
+
     def save_state(self):
         '''
         Saves the dock manager state and the main window geometry
@@ -545,6 +464,124 @@ class MainWindow(MainWindowUI, MainWindowBase):
             self.perspective_combo_box.setCurrentText(perspective_name)
             self.save_perspectives()
 
+    def create_long_text_label_dock_widget(self) -> QtAds.CDockWidget:
+        label = QLabel()
+        label.setWordWrap(True)
+        label.setAlignment(Qt.AlignTop | Qt.AlignLeft)
+        label.setText('''Label {} {} - Lorem ipsum dolor sit amet, consectetuer
+    adipiscing elit.  Aenean commodo ligula eget dolor. Aenean massa. Cum
+    sociis natoque penatibus et magnis dis parturient montes, nascetur
+    ridiculus mus.  Donec quam felis, ultricies nec, pellentesque eu, pretium
+    quis, sem.  Nulla consequat massa quis enim. Donec pede justo, fringilla
+    vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut,
+    imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis
+    pretium. Integer tincidunt. Cras dapibus. Vivamus elementum semper nisi.
+    Aenean vulputate eleifend tellus. Aenean leo ligula, porttitor eu,
+    consequat vitae, eleifend ac, enim. Aliquam lorem ante, dapibus in, viverra
+    quis, feugiat a, tellus. Phasellus viverra nulla ut metus varius laoreet.
+        '''.format(_State.label_count, datetime.datetime.now().strftime("%H:%M:%S:%f")))
+        dock_widget = QtAds.CDockWidget("Label {}".format(_State.label_count))
+        _State.label_count += 1
+        dock_widget.setWidget(label)
+
+        self.menuView.addAction(dock_widget.toggleViewAction())
+        return dock_widget
+
+    def create_calendar_dock_widget(self) -> QtAds.CDockWidget:
+        widget = QCalendarWidget()
+
+        dock_widget = QtAds.CDockWidget("Calendar {}".format(_State.calendar_count))
+        _State.calendar_count += 1
+        # The following lines are for testing the setWidget() and takeWidget()
+        # functionality
+        dock_widget.setWidget(widget)
+        dock_widget.setWidget(widget)  # what happens if we set a widget if a widget is already set
+        dock_widget.takeWidget()  # we remove the widget
+        dock_widget.setWidget(widget)  # and set the widget again - there should be no error
+        dock_widget.setToggleViewActionMode(QtAds.CDockWidget.ActionModeShow)
+        dock_widget.setIcon(svg_icon(":/adsdemo/images/date_range.svg"))
+        self.menuView.addAction(dock_widget.toggleViewAction())
+        return dock_widget
+
+    def create_file_system_tree_dock_widget(self) -> QtAds.CDockWidget:
+        widget = QTreeView()
+        widget.setFrameShape(QFrame.NoFrame)
+
+        m = QFileSystemModel(widget)
+        m.setRootPath(QDir.currentPath())
+        widget.setModel(m)
+
+        dock_widget = QtAds.CDockWidget("Filesystem {}".format(_State.file_system_count))
+        _State.file_system_count += 1
+        dock_widget.setWidget(widget)
+        self.menuView.addAction(dock_widget.toggleViewAction())
+        return dock_widget
+
+    def create_editor_widget(self) -> QtAds.CDockWidget:
+        widget = QPlainTextEdit()
+        widget.setPlaceholderText("This is an editor. If you close the editor, it will be "
+                                  "deleted. Enter your text here.")
+        widget.setStyleSheet("border: none")
+        dock_widget = QtAds.CDockWidget("Editor {}".format(_State.editor_count))
+        _State.editor_count += 1
+        dock_widget.setWidget(widget)
+        dock_widget.setIcon(svg_icon(":/adsdemo/images/edit.svg"))
+        dock_widget.setFeature(QtAds.CDockWidget.CustomCloseHandling, True)
+        self.menuView.addAction(dock_widget.toggleViewAction())
+
+        options_menu = QMenu(dock_widget)
+        options_menu.setTitle("Options")
+        options_menu.setToolTip(options_menu.title())
+        options_menu.setIcon(svg_icon(":/adsdemo/images/custom-menu-button.svg"))
+        menu_action = options_menu.menuAction()
+        # The object name of the action will be set for the QToolButton that
+        # is created in the dock area title bar. You can use this name for CSS
+        # styling
+        menu_action.setObjectName("options_menu")
+        dock_widget.setTitleBarActions([options_menu.menuAction()])
+        a = options_menu.addAction("Clear Editor")
+        a.triggered.connect(widget.clear)
+
+        return dock_widget
+
+
+    def create_table_widget(self) -> QtAds.CDockWidget:
+        widget = CMinSizeTableWidget()
+        dock_widget = QtAds.CDockWidget("Table {}".format(_State.table_count))
+        _State.table_count += 1
+        COLCOUNT = 5
+        ROWCOUNT = 30
+        widget.setColumnCount(COLCOUNT)
+        widget.setRowCount(ROWCOUNT)
+        for col in range(ROWCOUNT):
+            widget.setHorizontalHeaderItem(col, QTableWidgetItem("Col {}".format(col + 1)))
+            for row in range(ROWCOUNT):
+                widget.setItem(row, col, QTableWidgetItem("T {:}-{:}".format(row + 1, col + 1)))
+
+        dock_widget.setWidget(widget)
+        dock_widget.setIcon(svg_icon(":/adsdemo/images/grid_on.svg"))
+        dock_widget.setMinimumSizeHintMode(QtAds.CDockWidget.MinimumSizeHintFromContent)
+        toolbar = dock_widget.createDefaultToolBar()
+        action = toolbar.addAction(svg_icon(":/adsdemo/images/fullscreen.svg"), "Toggle Fullscreen")
+
+        def on_toggle_fullscreen():
+            if dock_widget.isFullScreen():
+                dock_widget.showNormal()
+            else:
+                dock_widget.showFullScreen()
+
+        action.triggered.connect(on_toggle_fullscreen)
+        self.menuView.addAction(dock_widget.toggleViewAction())
+        return dock_widget
+
+    def create_activex_widget(self, parent: QWidget = None) -> QtAds.CDockWidget:
+        widget = QAxWidget("{6bf52a52-394a-11d3-b153-00c04f79faa6}", parent)
+        dock_widget = QtAds.CDockWidget("Active X {}".format(_State.activex_count))
+        _State.activex_count += 1
+        dock_widget.setWidget(widget)
+        self.menuView.addAction(dock_widget.toggleViewAction())
+        return dock_widget
+
 
 def my_message_output(type, context, msg):
     if type == QtDebugMsg:

demo/res/visual_studio_light.css

@@ -0,0 +1,379 @@
+
+/*
+ * Visual Studio like light theme
+ */
+ 
+/*****************************************************************************
+ * CDockManager
+ *****************************************************************************/
+ads--CDockManager 
+{
+	background: palette(window);
+} 
+ 
+ 
+
+/*****************************************************************************
+ * CDockContainerWidget
+ *****************************************************************************/ 
+ads--CDockContainerWidget {
+	background: palette(window);
+	padding: 2px;
+}
+
+
+/*****************************************************************************
+ * CDockAreaWidget
+ *****************************************************************************/
+ads--CDockAreaWidget {
+	background: palette(window);
+	/*border: 1px solid palette(dark);*/
+}
+
+
+ads--CDockAreaTitleBar {
+	background: transparent;
+	border-bottom: 2px solid rgb(204, 204, 204);
+	padding-bottom: 0px;
+}
+
+
+ads--CTitleBarButton {
+	padding: 0px 0px;
+	background: transparent;
+	border: none;
+}
+
+ads--CTitleBarButton:hover {
+	background: rgba(0, 0, 0, 24);
+}
+
+ads--CTitleBarButton:pressed {
+	background: rgba(0, 0, 0, 48);
+}
+
+QScrollArea#dockWidgetScrollArea {
+	padding: 0px;
+	border: none;
+}
+
+#tabsMenuButton::menu-indicator {
+	image: none;
+}
+
+
+#dockAreaCloseButton {
+	qproperty-icon: url(:/ads/images/close-button.svg),
+		url(:/ads/images/close-button-disabled.svg) disabled;
+	qproperty-iconSize: 16px;
+}
+
+#detachGroupButton {
+	qproperty-icon: url(:/ads/images/detach-button.svg),
+		url(:/ads/images/detach-button-disabled.svg) disabled;
+	qproperty-iconSize: 16px;	
+}
+
+
+ads--CDockAreaWidget[focused="true"] ads--CDockAreaTitleBar {
+	border-bottom: 2px solid palette(highlight);
+}
+
+
+/*****************************************************************************
+ * CDockWidgetTab
+ *****************************************************************************/
+ads--CDockWidgetTab {
+	background: palette(window);
+	border: none;
+	padding: 0 0px;
+	qproperty-iconSize: 16px 16px;/* this is optional in case you would like to change icon size*/
+}
+
+ads--CDockWidgetTab[activeTab="true"] {
+	background: rgb(204, 204, 204);
+}
+
+ads--CDockWidgetTab QLabel {
+	color: palette(foreground);
+}
+
+ads--CDockWidgetTab[activeTab="true"] QLabel {
+	color: palette(foreground);
+}
+
+
+#tabCloseButton {
+	margin-top: 2px;
+	background: none;
+	border: none;
+	padding: 0px -2px;
+	qproperty-icon: url(:/ads/images/close-button.svg),
+		url(:/ads/images/close-button-disabled.svg) disabled;
+	qproperty-iconSize: 16px;
+}
+
+#tabCloseButton:hover {
+	/*border: 1px solid rgba(0, 0, 0, 32);*/
+	background: rgba(0, 0, 0, 24);
+}
+
+#tabCloseButton:pressed {
+	background: rgba(0, 0, 0, 48);
+}
+
+
+/* Focus related styling */
+ads--CDockWidgetTab[focused="true"] {
+	background: palette(highlight);
+	border-color: palette(highlight);
+}
+
+ads--CDockWidgetTab[focused="true"] > #tabCloseButton {
+	qproperty-icon: url(:/ads/images/close-button-focused.svg)
+}
+
+ads--CDockWidgetTab[focused="true"]>#tabCloseButton:hover {
+	background: rgba(255, 255, 255, 48);
+}
+
+ads--CDockWidgetTab[focused="true"]>#tabCloseButton:pressed {
+	background: rgba(255, 255, 255, 92);
+}
+
+ads--CDockWidgetTab[focused="true"] QLabel {
+	color: palette(light);
+}
+
+
+/*****************************************************************************
+ * CDockWidget
+ *****************************************************************************/
+ads--CDockWidget {
+	background: palette(light);
+	border: 1px solid rgb(204, 204, 204);
+	border-top: none;
+}
+
+
+
+/*****************************************************************************
+ *
+ * Styling of auto hide functionality
+ *
+ *****************************************************************************/
+ 
+ 
+/*****************************************************************************
+ * CAutoHideTab
+ *****************************************************************************/
+ads--CAutoHideTab {
+	qproperty-iconSize: 16px 16px;/* this is optional in case you would like to change icon size*/
+	background: none;
+	border: none;
+	padding-left: 2px;
+	padding-right: 0px;
+	text-align: center;
+	min-height: 20px;
+	padding-bottom: 2px;
+}
+
+
+ads--CAutoHideTab:hover
+{
+	color: palette(highlight);
+}
+
+
+ads--CAutoHideTab[iconOnly="false"][sideBarLocation="0"],
+ads--CAutoHideTab[iconOnly="false"][sideBarLocation="2"]  {
+	border-top: 6px solid rgba(0, 0, 0, 48);
+}
+
+
+ads--CAutoHideTab[iconOnly="false"][sideBarLocation="1"],
+ads--CAutoHideTab[iconOnly="false"][sideBarLocation="3"] {
+	border-bottom: 6px solid rgba(0, 0, 0, 48);
+}
+
+
+
+ads--CAutoHideTab:hover[iconOnly="false"][sideBarLocation="0"],
+ads--CAutoHideTab:hover[iconOnly="false"][sideBarLocation="2"],
+ads--CAutoHideTab[iconOnly="false"][sideBarLocation="0"][activeTab="true"],
+ads--CAutoHideTab[iconOnly="false"][sideBarLocation="2"][activeTab="true"]  {
+	border-top: 6px solid palette(highlight);
+}
+
+
+ads--CAutoHideTab:hover[iconOnly="false"][sideBarLocation="1"],
+ads--CAutoHideTab:hover[iconOnly="false"][sideBarLocation="3"],
+ads--CAutoHideTab[iconOnly="false"][sideBarLocation="1"][activeTab="true"],
+ads--CAutoHideTab[iconOnly="false"][sideBarLocation="3"][activeTab="true"] {
+	border-bottom: 6px solid palette(highlight);
+}
+
+
+/**
+ * Auto hide tabs with icon only
+ */
+ads--CAutoHideTab[iconOnly="true"][sideBarLocation="0"] {
+	border-top: 6px solid rgba(0, 0, 0, 48);
+}
+
+ads--CAutoHideTab[iconOnly="true"][sideBarLocation="1"] {
+	border-left: 6px solid rgba(0, 0, 0, 48);
+}
+
+ads--CAutoHideTab[iconOnly="true"][sideBarLocation="2"] {
+	border-right: 6px solid rgba(0, 0, 0, 48);
+}
+
+ads--CAutoHideTab[iconOnly="true"][sideBarLocation="3"] {
+	border-bottom: 6px solid rgba(0, 0, 0, 48);
+}
+
+
+/**
+ * Auto hide tabs with icon only hover
+ */
+ads--CAutoHideTab:hover[iconOnly="true"][sideBarLocation="0"],
+ads--CAutoHideTab[iconOnly="true"][sideBarLocation="0"][activeTab="true"] {
+	border-top: 6px solid palette(highlight);
+}
+
+ads--CAutoHideTab:hover[iconOnly="true"][sideBarLocation="1"],
+ads--CAutoHideTab[iconOnly="true"][sideBarLocation="1"][activeTab="true"] {
+	border-left: 6px solid palette(highlight);
+}
+
+ads--CAutoHideTab:hover[iconOnly="true"][sideBarLocation="2"],
+ads--CAutoHideTab[iconOnly="true"][sideBarLocation="2"][activeTab="true"] {
+	border-right: 6px solid palette(highlight);
+}
+
+ads--CAutoHideTab:hover[iconOnly="true"][sideBarLocation="3"],
+ads--CAutoHideTab[iconOnly="true"][sideBarLocation="3"][activeTab="true"] {
+	border-bottom: 6px solid palette(highlight);
+}
+
+
+
+/*****************************************************************************
+ * CAutoHideSideBar
+ *****************************************************************************/
+ads--CAutoHideSideBar{
+	background: palette(window);
+	border: none;
+	qproperty-spacing: 12;
+}
+
+#sideTabsContainerWidget {
+	background: transparent;
+}
+
+
+ads--CAutoHideSideBar[sideBarLocation="0"] {
+	border-bottom: 1px solid palette(dark);
+}
+
+ads--CAutoHideSideBar[sideBarLocation="1"] {
+	border-right: 1px solid palette(dark);
+}
+
+ads--CAutoHideSideBar[sideBarLocation="2"] {
+	border-left: 1px solid palette(dark);
+}
+
+ads--CAutoHideSideBar[sideBarLocation="3"] {
+	border-top: 1px solid palette(dark);
+}
+
+
+/*****************************************************************************
+ * CAutoHideDockContainer
+ *****************************************************************************/
+ads--CAutoHideDockContainer {
+	background: palette(window);
+}
+
+
+ads--CAutoHideDockContainer ads--CDockAreaTitleBar {
+	background: palette(highlight);
+	padding: 0px;
+	border: none;
+}
+
+
+/*
+ * This is required because the ads--CDockAreaWidget[focused="true"] will 
+ * overwrite the ads--CAutoHideDockContainer ads--CDockAreaTitleBar rule
+ */
+ads--CAutoHideDockContainer ads--CDockAreaWidget[focused="true"] ads--CDockAreaTitleBar {
+	background: palette(highlight);
+	padding: 0px;
+	border: none;
+}
+
+
+#autoHideTitleLabel {
+	padding-left: 4px;
+	color: palette(light);
+}
+
+
+/*****************************************************************************
+ * CAutoHideDockContainer titlebar buttons
+ *****************************************************************************/
+#dockAreaAutoHideButton {
+	qproperty-icon: url(:/ads/images/vs-pin-button.svg);
+	qproperty-iconSize: 16px;
+}
+
+ads--CAutoHideDockContainer #dockAreaAutoHideButton {
+	qproperty-icon: url(:/ads/images/vs-pin-button-pinned-focused.svg);
+	qproperty-iconSize: 16px;
+}
+
+
+ads--CAutoHideDockContainer #dockAreaCloseButton{
+	qproperty-icon: url(:/ads/images/close-button-focused.svg)
+}
+
+
+ads--CAutoHideDockContainer ads--CTitleBarButton:hover {
+	background: rgba(255, 255, 255, 48);
+}
+
+ads--CAutoHideDockContainer ads--CTitleBarButton:pressed {
+	background: rgba(255, 255, 255, 96);
+}
+
+/*****************************************************************************
+ * CAutoHideDockContainer Titlebar and Buttons
+ *****************************************************************************/
+
+
+/*****************************************************************************
+ * CResizeHandle
+ *****************************************************************************/
+ads--CResizeHandle {
+	background: palette(window);
+}
+
+
+ads--CAutoHideDockContainer[sideBarLocation="0"] ads--CResizeHandle {
+	border-top: 1px solid palette(dark);
+}
+
+ads--CAutoHideDockContainer[sideBarLocation="1"] ads--CResizeHandle {
+	border-left: 1px solid palette(dark);
+}
+
+ads--CAutoHideDockContainer[sideBarLocation="2"] ads--CResizeHandle {
+	border-right: 1px solid palette(dark);
+}
+
+ads--CAutoHideDockContainer[sideBarLocation="3"] ads--CResizeHandle {
+	border-top: 1px solid palette(dark);
+}

doc/ads_icon.svg

@@ -1,123 +1,77 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <svg
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
    version="1.1"
-   viewBox="0,0,1024,1024"
-   id="svg1145"
+   viewBox="0 0 1023.99 1023.99"
+   id="svg26"
    sodipodi:docname="ads_icon.svg"
-   inkscape:version="0.92.4 (5da689c313, 2019-01-14)"
-   inkscape:export-filename="C:\CodingXP\cetoni_projects\QtAdvancedDockingSystem\doc\ads_icon_256.png"
-   inkscape:export-xdpi="24"
-   inkscape:export-ydpi="24">
-  <metadata
-     id="metadata1151">
-    <rdf:RDF>
-      <cc:Work
-         rdf:about="">
-        <dc:format>image/svg+xml</dc:format>
-        <dc:type
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title />
-      </cc:Work>
-    </rdf:RDF>
-  </metadata>
+   inkscape:version="1.1 (c68e22c387, 2021-05-23)"
+   width="1023.99"
+   height="1023.99"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
   <defs
-     id="defs1149" />
+     id="defs30" />
   <sodipodi:namedview
+     id="namedview28"
      pagecolor="#ffffff"
      bordercolor="#666666"
-     borderopacity="1"
-     objecttolerance="10"
-     gridtolerance="10"
-     guidetolerance="10"
-     inkscape:pageopacity="0"
+     borderopacity="1.0"
      inkscape:pageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     showgrid="false"
+     showguides="true"
+     inkscape:guide-bbox="true"
+     inkscape:zoom="0.12999302"
+     inkscape:cx="3277.099"
+     inkscape:cy="-257.70614"
      inkscape:window-width="1920"
      inkscape:window-height="1017"
-     id="namedview1147"
-     showgrid="false"
-     inkscape:zoom="0.32593202"
-     inkscape:cx="256.13402"
-     inkscape:cy="235.82602"
      inkscape:window-x="1912"
      inkscape:window-y="-8"
      inkscape:window-maximized="1"
-     inkscape:current-layer="svg1145" />
+     inkscape:current-layer="svg26"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0" />
   <desc
-     id="desc1129">window_size icon - Licensed under Iconfu Standard License v1.0 (https://www.iconfu.com/iconfu_standard_license) - Incors GmbH</desc>
-  <path
-     id="path1797-1"
-     visibility="hidden"
-     d="M 71.53142,291.89723 H 950.1828 l 0.6743,0.6742 v 586.08 l -0.6743,0.6743 H 71.53142 l -0.6743,-0.6743 v -586.08 z"
-     inkscape:connector-curvature="0"
-     style="visibility:hidden;mix-blend-mode:normal;fill:#ffffff;fill-rule:nonzero;stroke-width:0.99999988;fill-opacity:1" />
-  <rect
-     transform="rotate(-90)"
-     y="412.13489"
-     x="-911.34436"
-     height="560.90375"
-     width="327.70862"
-     id="rect1739-8"
-     style="opacity:1;fill:#ffd292;fill-opacity:1;stroke:none;stroke-width:37.79526901;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke" />
-  <path
-     id="path1799"
-     d="M 988.40121,578.11175 V 651.2546 H 409.96541 V 578.11175 Z"
-     inkscape:connector-curvature="0"
-     style="mix-blend-mode:normal;fill:#546e7a;fill-rule:nonzero;stroke-width:0.99999988" />
-  <rect
-     style="opacity:1;fill:#b3c3cb;fill-opacity:1;stroke:none;stroke-width:37.79526901;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
-     id="rect1739-6-1"
-     width="655.41724"
-     height="338.99207"
-     x="-914.85529"
-     y="38.243896"
-     transform="rotate(-90)" />
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+     id="desc2">electric_iron icon - Licensed under Iconfu Standard License v1.0 (https://www.iconfu.com/iconfu_standard_license) - Incors GmbH</desc>
+  <text
+     xml:space="preserve"
+     style="font-style:normal;font-weight:normal;font-size:40px;line-height:1.25;font-family:sans-serif;fill:#000000;fill-opacity:1;stroke:none"
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doc/ads_logo.svg

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="1032" height="151.81" version="1.1" viewBox="0 0 1032 151.81" xmlns="http://www.w3.org/2000/svg">
+ <desc>electric_iron icon - Licensed under Iconfu Standard License v1.0 (https://www.iconfu.com/iconfu_standard_license) - Incors GmbH</desc>
+ <text x="1251.1022" y="1305.4956" fill="#000000" font-family="sans-serif" font-size="40px" style="line-height:1.25" xml:space="preserve"><tspan x="1251.1022" y="1305.4956"/></text>
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doc/ads_qt_marketplace_description.md

@@ -12,20 +12,6 @@ styles as much as possible.
 
 ## Features
 
-### Overview
-
-- [Features](#features)
-  - [Overview](#overview)
-  - [Docking everywhere - no central widget](#docking-everywhere---no-central-widget)
-  - [Docking inside floating windows](#docking-inside-floating-windows)
-  - [Grouped dragging](#grouped-dragging)
-  - [Perspectives for fast switching of the complete main window layout](#perspectives-for-fast-switching-of-the-complete-main-window-layout)
-  - [Opaque and non-opaque splitter resizing](#opaque-and-non-opaque-splitter-resizing)
-  - [Opaque and non-opaque undocking](#opaque-and-non-opaque-undocking)
-  - [Tab-menu for easy handling of many tabbed dock widgets](#tab-menu-for-easy-handling-of-many-tabbed-dock-widgets)
-  - [Many different ways to detach dock widgets](#many-different-ways-to-detach-dock-widgets)
-  - [Supports deletion of dynamically created dock widgets](#supports-deletion-of-dynamically-created-dock-widgets)
-
 ### Docking everywhere - no central widget
 
 There is no central widget like in the Qt docking system. You can dock on every
@@ -106,3 +92,10 @@ You can detach dock widgets and also dock areas in the following ways:
 ### Supports deletion of dynamically created dock widgets
 
 Normally clicking the close button of a dock widget will just hide the widget and the user can show it again using the toggleView() action of the dock widget. This is meant for user interfaces with a static amount of widgets. But the advanced docking system also supports dynamic dock widgets that will get deleted on close. If you set the dock widget flag `DockWidgetDeleteOnClose` for a certain dock widget, then it will be deleted as soon as you close this dock widget. This enables the implementation of user interfaces with dynamically created editors, like in word processing applications or source code development tools.
+
+### Python PyQt5 Bindings
+
+![Python Logo](https://raw.githubusercontent.com/githubuser0xFFFF/Qt-Advanced-Docking-System/master/doc/python_logo.png)
+
+The Advanced Docking System comes with a complete Python integration based on
+PyQt5 bindings. The package is available via [conda-forge](https://github.com/conda-forge/pyqtads-feedstock).

doc/ads_qt_marketplace_manifest.json

@@ -4,21 +4,21 @@
     "extensionType": [
         "library"
     ],
-    "version": "3.0.0",
+    "version": "3.8.2",
     "vendor": {
         "name": "githubuser0xFFFF",
         "url": "https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System"
     },
     "contact": "https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/issues",
-    "icon": "https://raw.githubusercontent.com/githubuser0xFFFF/Qt-Advanced-Docking-System/master/doc/ads_icon_512.png",
+    "icon": "https://raw.githubusercontent.com/githubuser0xFFFF/Qt-Advanced-Docking-System/master/doc/ads_icon.svg",
     "licenses": [
-      { "licenseType": "LGPLv2.1",
+      { "licenseType": "LGPL-2.1-only",
         "licenseUrl": "https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html" }
     ],
     "created": "2017-03-30",
-    "lastUpdate": "2020-01-16",
+    "lastUpdate": "2022-03-02",
     "platforms": [
-        "Windows 7-10", "Kubuntu 18.04", "Kubuntu 19.10", "Ubuntu 19.10"
+        "Windows 7-11", "Kubuntu 18.04", "Kubuntu 19.10", "Ubuntu 19.10", "Ubuntu 20.04"
     ],
     "qtVersions": [
         "5.5.1 or newer"

doc/user-guide.md

@@ -11,7 +11,6 @@
   - [`TabCloseButtonIsToolButton`](#tabclosebuttonistoolbutton)
   - [`AllTabsHaveCloseButton`](#alltabshaveclosebutton)
   - [`RetainTabSizeWhenCloseButtonHidden`](#retaintabsizewhenclosebuttonhidden)
-  - [`OpaqueUndocking`](#opaqueundocking)
   - [`DragPreviewIsDynamic`](#dragpreviewisdynamic)
   - [`DragPreviewShowsContentPixmap`](#dragpreviewshowscontentpixmap)
   - [`DragPreviewHasWindowFrame`](#dragpreviewhaswindowframe)
@@ -23,6 +22,37 @@
   - [`FloatingContainerHasWidgetTitle`](#floatingcontainerhaswidgettitle)
   - [`FloatingContainerHasWidgetIcon`](#floatingcontainerhaswidgeticon)
   - [`HideSingleCentralWidgetTitleBar`](#hidesinglecentralwidgettitlebar)
+  - [`FocusHighlighting`](#focushighlighting)
+  - [`EqualSplitOnInsertion`](#equalsplitoninsertion)
+  - [`FloatingContainerForceNativeTitleBar` (Linux only)](#floatingcontainerforcenativetitlebar-linux-only)
+  - [`FloatingContainerForceQWidgetTitleBar` (Linux only)](#floatingcontainerforceqwidgettitlebar-linux-only)
+  - [`MiddleMouseButtonClosesTab`](#middlemousebuttonclosestab)
+- [Auto-Hide Configuration Flags](#auto-hide-configuration-flags)
+  - [Auto Hide Dock Widgets](#auto-hide-dock-widgets)
+  - [Pinning Auto-Hide Widgets to a certain border](#pinning-auto-hide-widgets-to-a-certain-border)
+  - [Show / Hide Auto-Hide Widgets via Mouse Over](#show--hide-auto-hide-widgets-via-mouse-over)
+  - [Adding Auto Hide Widgets](#adding-auto-hide-widgets)
+  - [Setting Auto-Hide Flags](#setting-auto-hide-flags)
+  - [`AutoHideFeatureEnabled`](#autohidefeatureenabled)
+  - [`DockAreaHasAutoHideButton`](#dockareahasautohidebutton)
+  - [`AutoHideButtonTogglesArea`](#autohidebuttontogglesarea)
+  - [`AutoHideButtonCheckable`](#autohidebuttoncheckable)
+  - [`AutoHideSideBarsIconOnly`](#autohidesidebarsicononly)
+  - [`AutoHideShowOnMouseOver`](#autohideshowonmouseover)
+  - [`AutoHideCloseButtonCollapsesDock`](#autohideclosebuttoncollapsesdock)
+- [DockWidget Feature Flags](#dockwidget-feature-flags)
+  - [`DockWidgetClosable`](#dockwidgetclosable)
+  - [`DockWidgetMovable`](#dockwidgetmovable)
+  - [`DockWidgetFloatable`](#dockwidgetfloatable)
+  - [`DockWidgetDeleteOnClose`](#dockwidgetdeleteonclose)
+  - [`CustomCloseHandling`](#customclosehandling)
+  - [`DockWidgetFocusable`](#dockwidgetfocusable)
+  - [`DockWidgetForceCloseWithArea`](#dockwidgetforceclosewitharea)
+  - [`NoTab`](#notab)
+  - [`DeleteContentOnClose`](#deletecontentonclose)
+- [Central Widget](#central-widget)
+- [Empty Dock Area](#empty-dock-area)
+- [Custom Close Handling](#custom-close-handling)
 - [Styling](#styling)
   - [Disabling the Internal Style Sheet](#disabling-the-internal-style-sheet)
 
@@ -34,9 +64,10 @@ configuration will be explained in detail in the following sections.
 
 ### Setting Configuration Flags
 
-You should set the configuration flags before you create the dock manager
-instance. That means, setting the configurations flags is the first thing
-you do, if you use the library.
+You must set the configuration flags before creating the dock manager
+instance otherwise the manager will not be created correctly and will
+crash upon being created. That means, setting the configurations flags
+is the first thing you must do, if you use the library.
 
 ```c++
 CDockManager::setConfigFlags(CDockManager::DefaultOpaqueConfig);
@@ -48,9 +79,9 @@ d->DockManager = new CDockManager(this);
 If you set the configurations flags, you can set individual flags using the
 function `CDockManager::setConfigFlag` or you can set all flags using
 the function `CDockManager::setConfigFlags`. Instead of settings all
-flags individualy, it is better to pick a predefined set of configuration
+flags individually, it is better to pick a predefined set of configuration
 flags and then modify individual flags. The following predefined
-configurations are avilable
+configurations are available
 
 - `DefaultNonOpaqueConfig` - uses non opaque splitter resizing and non opaque docking
 - `DefaultOpaqueConfig` - uses opaque splitter resizing and opaque docking
@@ -139,37 +170,6 @@ constant, that means, if enabled, the tabs need more space.
 
 ![AllTabsHaveCloseButton false](cfg_flag_RetainTabSizeWhenCloseButtonHidden_true.png)
 
-### `OpaqueUndocking`
-
-If this flag is set, opaque undocking is active. That means, as soon as you drag a dock widget or a dock area with a number of dock widgets it will be undocked and moved into a floating widget and then the floating widget will be dragged around. That means undocking will take place immediatelly. You can compare this with opaque splitter resizing.
-
-![OpaqueUndocking true](opaque_undocking.gif)
-
-If you would like to test opaque undocking, you should set the pedefined config
-flags `CDockManager::DefaultOpaqueConfig`.
-
-```c++
-CDockManager::setConfigFlags(CDockManager::DefaultOpaqueConfig);
-```
-
-If this flag is cleared (default), then non-opaque undocking is active. In this mode, undocking is more like a standard drag and drop operation. That means, the dragged dock widget or dock area is not undocked immediatelly. Instead, a drag preview widget is created and dragged around to indicate the future position of the dock widget or dock area. The actual dock operation is only executed when the mouse button is released. That makes it possible, to cancel an active drag operation with the escape key.
-
-![OpaqueUndocking true](non_opaque_undocking.gif)
-
-The drag preview widget can be configured by a number of global dock manager flags:
-
-- `DragPreviewIsDynamic`
-- `DragPreviewShowsContentPixmap`
-- `DragPreviewHasWindowFrame`
-
-Non-opaque undocking is enabled by default. If you would like to enable it
-explicitely, you can do this by setting the predefined configuration flags
-`CDockManager::DefaultNonOpaqueConfig`.
-
-```c++
-CDockManager::setConfigFlags(CDockManager::DefaultNonOpaqueConfig);
-```
-
 ### `DragPreviewIsDynamic`
 
 If non-opaque undocking is enabled, this flag defines the behavior of the drag 
@@ -268,7 +268,8 @@ current dock widget.
 
 ![FloatingContainerHasWidgetTitle true](cfg_flag_FloatingContainerHasWidgetTitle_true.png)
 
-otherwise it displays application name as window title.
+otherwise it displays the title set with `CDockManager::setFloatingContainersTitle` or
+application name as window title.
 
 ![FloatingContainerHasWidgetTitle false](cfg_flag_FloatingContainerHasWidgetTitle_false.png)
 
@@ -284,7 +285,8 @@ otherwise (default setting) it displays application icon.
 
 ### `HideSingleCentralWidgetTitleBar`
 
-If there is only one single visible dock widget in the main dock container (the dock manager) and if this flag is set, then the titlebar of this dock widget will be hidden.
+If there is only one single visible dock widget in the main dock container (the dock manager)
+and if this flag is set, then the titlebar of this dock widget will be hidden.
 This only makes sense for non draggable and non floatable dock widgets and enables
 the creation of some kind of "central" static widget. Because the titlebar is
 hidden, it is not possible to drag out the central widget to make it floating
@@ -299,6 +301,431 @@ still has a titlebar to drag it out of the main window.
 
 ![HideSingleCentralWidgetTitleBar false](cfg_flag_HideSingleCentralWidgetTitleBar_false.png)
 
+### `FocusHighlighting`
+
+If this is enabled, the docking system is able to highlight the tab and the
+components of a dock area with a different style (i.e. a different color).
+This option is disabled by default and needs to be enabled explicitly
+because it adds some overhead. The dock manager needs to react on focus
+changes and dock widget dragging to highlight the right dock widget. You should
+enable it only, if you really need it for your application.
+
+If the feature is enabled, you can also connect to the new dock manager
+signal `focusedDockWidgetChanged(CDockWidget* old, CDockWidget* now)` to
+react on focus changes and to prepare the content of the focused dock
+widget.
+
+You can click into the tab, the titlebar or the content of a dock widget
+to focus it.
+
+![FocusHighlighting](cfg_flag_FocusHighlighting.gif)
+
+For the focused dock widget and dock widget tab, the property `focused` will
+be set to true and you can use this property to style the focused dock
+widget differently. The picture above uses the following styling:
+
+```css
+/* Color the tab with the highlight color */
+ads--CDockWidgetTab[focused="true"]
+{
+    background: palette(highlight);
+    border-color: palette(highlight);
+}
+
+/* Use a different colored close button icon to match the test color */
+ads--CDockWidgetTab[focused="true"] > #tabCloseButton
+{
+	qproperty-icon: url(:/ads/images/close-button-focused.svg)
+}
+
+/* Make a hovered focused close button a little bit lighter */
+ads--CDockWidgetTab[focused="true"] > #tabCloseButton:hover
+{
+	background: rgba(255, 255, 255, 48);
+}
+
+/* Make a pressed focused close button even more lighter */
+ads--CDockWidgetTab[focused="true"] > #tabCloseButton:pressed
+{
+	background: rgba(255, 255, 255, 92);
+}
+
+/* Use a different color for the tab label */
+ads--CDockWidgetTab[focused="true"] QLabel
+{
+    color: palette(light);
+}
+
+/* Paint a nice solid line for the whole title bar to create the illusion
+   of an active tab */
+ads--CDockAreaWidget[focused="true"] ads--CDockAreaTitleBar
+{
+	background: transparent;
+	border-bottom: 2px solid palette(highlight);
+	padding-bottom: 0px;
+}
+```
+
+If you have a content widget that does not support focussing for some reason
+(like `QVTKOpenGLStereoWidget` from the [VTK library](https://github.com/Kitware/VTK)),
+then you can manually switch the focus by reacting on mouse events. The 
+following code shows, how to install en event filter on the `QVTKOpenGLStereoWidget`
+to properly switch the focus on `QEvent::MouseButtonPress`:
+
+```c++
+static ads::CDockWidget* createVTK2DWindow(QMenu* ViewMenu, QObject* EventFilter)
+{
+    QVTKOpenGLStereoWidget* qvtkOpenGLStereoWidget = new QVTKOpenGLStereoWidget;
+    ads::CDockWidget* DockWidget = new ads::CDockWidget("2D Window");
+    DockWidget->setWidget(qvtkOpenGLStereoWidget);
+    qvtkOpenGLStereoWidget->installEventFilter(EventFilter);
+    qvtkOpenGLStereoWidget->setProperty("DockWidget", QVariant::fromValue(DockWidget));
+    return DockWidget;
+}
+```
+
+Now we can use the event filter function to react on mouse events and then
+use the dock manager function `setDockWidgetFocused()` to switch the focus:
+
+```c++
+bool CMainWindow::eventFilter(QObject *watched, QEvent *event)
+{
+    if (event->type() == QEvent::MouseButtonPress)
+    {
+        QVTKOpenGLStereoWidget* vtkWidget =  qobject_cast<QVTKOpenGLStereoWidget*>(watched);
+        auto vDockWidget = vtkWidget->property("DockWidget");
+        ads::CDockWidget* DockWidget = nullptr;
+        if (vDockWidget.isValid())
+        {
+            DockWidget = qvariant_cast<ads::CDockWidget*>(vDockWidget);
+        }
+
+        if (DockWidget)
+        {
+            d->DockManager->setDockWidgetFocused(DockWidget);
+        }
+    }
+    return false;
+}
+```
+
+### `EqualSplitOnInsertion`
+
+This flag configures how the space is distributed if a new dock widget is
+inserted into an existing dock area. The flag is disabled by default. If 3 
+dock widgets are inserted with the following code
+
+```c++
+d->DockManager->addDockWidget(ads::RightDockWidgetArea, DockWidget, EditorArea);
+```
+
+then this is the result, if the flag is disabled:
+
+![EqualSplitOnInsertion false](cfg_flag_EqualSplitOnInsertion_false.png)
+
+If the flag is enabled, then the space is equally distributed to all widgets 
+in a  splitter:
+
+![EqualSplitOnInsertion true](cfg_flag_EqualSplitOnInsertion_true.png)
+
+
+### `FloatingContainerForceNativeTitleBar` (Linux only)
+
+Since release 3.6 the library supports native title bars and window decorations
+for floating widgets on Linux (thanks to a user contribution).
+Native title bars and window decorations are supported by most Linux window
+managers, such as Compiz or Xfwm. Some window managers like KWin do not properly
+support this feature. Native floating widgets look better because of the native
+styling and the support all window manager features like snapping to window
+borders or maximizing. The library tries to detect the window manager during
+runtime and activates native window decorations if possible:
+
+![FloatingContainerForceNativeTitleBar true](cfg_flag_FloatingContainerForceNativeTitleBar_true.png)
+
+If you would like to overwrite this autodetection, then you can  activate this
+flag to force native window titlebars. You can overwrite autodetection and this
+flag, if you set the environment variable `ADS_UseNativeTitle` to 0 or 1.
+
+### `FloatingContainerForceQWidgetTitleBar` (Linux only)
+
+If your window manager (i.e. KWin) does not properly support native floating
+windows, the docking library falls back to QWidget based floating widget
+title bars.
+
+![FloatingContainerForceNativeTitleBar false](cfg_flag_FloatingContainerForceNativeTitleBar_false.png)
+
+If you would like to overwrite autodetection, then you can activate this flag
+to force QWidget based title bars. You can overwrite autodetection and this
+flag, if you set the environment variable `ADS_UseNativeTitle` to 0 or 1.
+
+### `MiddleMouseButtonClosesTab`
+
+If the flag is set, the user can use the mouse middle button to close the tab
+under the mouse. So you do not need to exactly hit the tab close button to
+close tab. Just click with the middle mouse button on a tab like this is
+possible in various web browsers.
+
+![MiddleMouseButtonClosesTab true](cfg_flag_MiddleMouseButtonClosesTab.gif)
+
+## Auto-Hide Configuration Flags
+
+### Auto Hide Dock Widgets
+
+The Advanced Docking System supports "Auto-Hide" functionality for **all**
+dock containers. The "Auto Hide" feature allows to display more information
+using less screen space by hiding or showing windows pinned to one of the 
+four dock container borders.
+
+Enabling this feature adds a button with a pin icon to each dock area.
+
+![DockAreaHasAutoHideButton true](cfg_flag_DockAreaHasAutoHideButton.png)
+
+By clicking this button, the current dock widget (or the complete area - depending on the
+configuration flags) will be pinned to a certain border. The border is choosen
+depending on the location of the dock area. If you click the pin button while
+holding down the **Ctrl** key, the whole dock area will be pinned to a certain
+border.
+
+### Pinning Auto-Hide Widgets to a certain border
+
+If you would like to pin a dock widget or a dock area to a certain border,
+then you can right-click into the dock widget tab or into the dock area title bar
+to show the context menu. Then you can select the location via the **Pin to** menu:
+
+![Pin to](AutoHide_PinTo.png)
+
+### Show / Hide Auto-Hide Widgets via Mouse Over
+
+Normally Auto-Hide widgets are shown by clicking the Auto-Hide tab and hidden by
+clicking the Auto-Hide tab again or by clicking into any other dock widget in
+the same container. If the Auto-Hide config flag `AutoHideShowOnMouseOver` is set,
+the Auto-Hide widget is shown, if the user hovers over the Auto-Hide tab and is
+collapsed if the mouse cursor leaves the Auto-Hide widget. Showing and hiding
+by mouse click still works if this feature is enabled.
+
+### Adding Auto Hide Widgets
+
+Adding an auto hide widget is similar to adding a dock widget, simply call
+`dockManager->addAutoHideDockWidget()`.
+
+```c++
+CDockManager::setAutoHideConfigFlags(CDockManager::DefaultAutoHideConfig);
+d->DockManager = new CDockManager(this);
+CDockWidget* TableDockWidget = new CDockWidget("Table 1");
+DockManager->addAutoHideDockWidget(SideBarLeft, TableDockWidget);
+```
+
+See `autohide` example or the demo application to learn how it works.
+
+### Setting Auto-Hide Flags
+
+The Advanced Docking System has a number of global configuration flags to
+configure the Auto-Hide functionality. You should set the Auto-Hide flags before
+creating the dock manager instance. That means, you should set the Auto-Hide
+flags after setting the configuration flags.
+
+```c++
+CDockManager::setConfigFlag(CDockManager::FocusHighlighting, true);
+CDockManager::setAutoHideConfigFlags(CDockManager::DefaultAutoHideConfig);
+CDockManager::setAutoHideConfigFlag(CDockManager::AutoHideShowOnMouseOver, true);
+...
+d->DockManager = new CDockManager(this);
+```
+
+If you set the Auto-Hide flags, you can set individual flags using the
+function `CDockManager::setAutoHideConfigFlag` or you can set all flags using
+the function `CDockManager::setAutoHideConfigFlags`. Instead of settings all
+flags individually, it is better to pick a predefined set of configuration
+flags and then modify individual flags. The following predefined
+configurations are available
+
+- `DefaultAutoHideConfig` - default auto hide config
+
+Pick one of those predefined configurations and then modify the following
+configurations flags to adjust the docking system to your needs.
+
+### `AutoHideFeatureEnabled`
+
+Enables / disables the Auto-Hide functionality. Only if this flag is enabled,
+the other Auto-Hide flags will be evaluated.
+
+### `DockAreaHasAutoHideButton`
+
+If this flag is set (default), then each dock area has a pin button in the title 
+bar to toggle Auto-Hide state.
+
+![DockAreaHasAutoHideButton true](cfg_flag_DockAreaHasAutoHideButton.png)
+
+### `AutoHideButtonTogglesArea`
+
+If set, the the pin button in the dock area title bar toggles the complete area.
+If not set (default), then the pin button toggles the current active tab / dock
+widget and pressing the **Ctrl** key while clicking the pin button toggles the
+complete ara.
+
+### `AutoHideButtonCheckable`
+
+Normally the pin button in the dock area title bar is not checkable. If this
+flag is set, then the button is checkable. That means, if button is checked,
+the dock widget is pinned.
+
+### `AutoHideSideBarsIconOnly`
+
+Normally the Auto-Hide tabs show the icon and title of the dock widget:
+
+![AutoHideSideBarsIconOnly false](cfg_flag_AutoHideSideBarsIconOnly_false.png)
+
+You can set this flag, if you would like to have only icons in the Auto-Hide
+tabs instead of icon and dock widget title. If this is set, the Auto-Hide tab
+needs less space. The tooltip of each tab still shows the dock widget title.
+
+![AutoHideSideBarsIconOnly true](cfg_flag_AutoHideSideBarsIconOnly_true.png)
+
+### `AutoHideShowOnMouseOver`
+
+Normally Auto-Hide widgets are shown by clicking the Auto-Hide tab and
+hidden by clicking the Auto-Hide tab again or by clicking into any other
+dock widget in the same container. If this flag is set, the Auto-Hide widget
+is shown, if the user hovers over the Auto-Hide tab or if the users moves the
+mouse outside of the Auto-Hide widget. Showing and hiding my mouse click still
+works if this feature is enabled.
+
+### `AutoHideCloseButtonCollapsesDock`
+
+Some users don't understand the distinction between closing an auto hide dock and
+collapsing an auto hide dock. This may lead to situations where they press the
+close button (losing the side tab widget) instead of simply clicking outside
+the auto hide dock (collapsing the dock). 
+
+![AutoHideCloseButtonCollapsesDock false](cfg_flag_AutoHideCloseButtonCollapsesDock_false.gif)
+
+If `AutoHideCloseButtonCollapsesDock` option is active, the
+close button in an auto hide widget collapses the auto hide widget instead of
+closing it.
+
+![AutoHideCloseButtonCollapsesDock true](cfg_flag_AutoHideCloseButtonCollapsesDock_true.gif)
+
+## DockWidget Feature Flags
+
+### `DockWidgetClosable`
+
+If set, the dock widget will have a close button.
+
+### `DockWidgetMovable`
+
+If a dock widget is movable, then it and can be moved to a new position in the
+current dock container. Disable this flag to prevent moving of a dock widget
+via mouse.
+
+### `DockWidgetFloatable`
+
+If set, a dock widget can be dragged into a floating window.
+
+### `DockWidgetDeleteOnClose`
+
+Deletes the dock widget and its content when it is closed.
+
+### `CustomCloseHandling`
+
+Clicking the close button will not close the dock widget but emits the
+`closeRequested()` signal instead. This allows the application to implement
+a custom close handling.
+
+### `DockWidgetFocusable`
+
+If this is enabled, a dock widget can get focus highlighting.
+
+### `DockWidgetForceCloseWithArea`
+
+A dock widget will be closed when the dock area hosting it is closed. If the
+`DockWidgetDeleteOnClose` feature is enabled for a dock widget, then it will
+be deleted, if the user clicks the close button of this dock widget. If the
+user clicks the close button of the dock area that contains this widget,
+then only the visibility of the dock widget is toggled. If this feature flag
+is set, the closing the dock area also closes the dock widget. That means, if
+the dock widget feature `DockWidgetDeleteOnClose` is set for the dock widgets
+in a dock area, then all dock widgets will be deleted if the dock area is closed.
+
+### `NoTab`
+
+A dock widget tab will never be shown if this flag is set.
+
+### `DeleteContentOnClose`
+
+Deletes only the contained widget on close, keeping the dock widget intact and
+in place. Attempts to rebuild the contents widget on show if there is a widget
+factory set. See [issue #365](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/pull/365) for more details.
+
+## Central Widget
+
+The Advanced Docking System has been developed to overcome the limitations of
+the native Qt docking system with its central widget concept. This was the
+reason that until version 3.6 of the library, there was no support for such
+thing like a central widget. Thanks to the contribution of a user the library
+now supports a central widget.
+
+In the Advanced Docking System a central widget is a docking widget that is
+neither closable nor movable or floatable. A central widget has no title bar
+and so it is not possible for the user to hide, close or drag the central
+widget. If there is a central widget, then also the distribution of the sizes
+for the dock widgets around the central widget is different:
+
+- **no central widget (default)** - on resizing the available space is
+distributed to all dock widgets - the size of all dock widgets
+shrinks or grows
+- **with central widget** - on resizing only the central widget is resized - the
+dock widgets around the central widget keep their size (see the animation below)
+
+![Central Widget](central_widget.gif)
+
+To set a central widget, you just need to pass your central dock widget
+to the dock manager `setCentralWidget` function:
+
+```c++
+auto* CentralDockArea = DockManager->setCentralWidget(CentralDockWidget);
+```
+
+See the `centralwidget` example to learn how it works.
+
+> ##### Note
+> The central widget needs to be the first dock widget that is added to the
+> dock manager. The function does not work and returns a `nullptr` if there
+> are already other dock widgets registered. So `setCentralWidget` should be
+> the first function that you call when adding dock widgets.
+
+## Empty Dock Area
+
+Some applications require a fixed DockArea that is always visible, even if it
+does not contain any DockWidgets. I.e. the DockArea is in this case a kind
+of central widget that is always visible (see this
+[issue](https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/issues/199)).
+
+Since version 3.7.1 the advanced docking system supports this feature. The
+`emptydockarea` example shows how this can be implemented with the library. You
+just need to create a dock widget and set the feature flag `CDockWidget::NoTab`.
+This permanently hides the tab widget of this area and removes it from the tab
+menu. For this special dock widget you should also disable all other features
+(movable, closable and floatable) to prevent closing and moving of this widget.
+If you use the `CDockManager::setCentralWidget` function like in the example
+code below, then you don't need to disable these features because this is done
+in the `setCentralWidget` function.
+
+```c++
+QLabel* label = new QLabel();
+label->setText("This is a DockArea which is always visible, even if it does not contain any DockWidgets.");
+label->setAlignment(Qt::AlignCenter);
+CDockWidget* CentralDockWidget = new CDockWidget("CentralWidget");
+CentralDockWidget->setWidget(label);
+CentralDockWidget->setFeature(ads::CDockWidget::NoTab, true);// set the flag before adding the widget to dock manager
+auto* CentralDockArea = DockManager->setCentralWidget(CentralDockWidget);
+```
+
+## Custom Close Handling
+
+Normally clicking the close button of a dock widget will just hide the widget and the user can show it again using the `toggleView()` action of the dock widget. This is meant for user interfaces with a static amount of widgets. But the advanced docking system also supports dynamic dock widgets that will get deleted on close. If you set the dock widget flag `DockWidgetDeleteOnClose` for a certain dock widget, then it will be deleted as soon as you close this dock widget. This enables the implementation of user interfaces with dynamically created editors, like in word processing applications or source code development tools.
+
+When an entire area is closed, the default behavior is to hide the dock widgets it contains regardless of the `DockWidgetDeleteOnClose` flag except if there is only one dock widget. In this special case, the `DockWidgetDeleteOnClose` flag is followed. This behavior can be changed by setting the `DockWidgetForceCloseWithArea` flag to all the dock widgets that needs to be closed with their area.
+
 ## Styling
 
 The Advanced Docking System supports styling via [Qt Style Sheets](https://doc.qt.io/qt-5/stylesheet.html). All components like splitters, tabs, buttons, titlebar and
@@ -315,3 +742,4 @@ just call the function for settings the stylesheet with an empty string.
 ```c++
 DockManager->setStyleSheet("");
 ```
+

examples/CMakeLists.txt

@@ -1,5 +1,10 @@
 cmake_minimum_required(VERSION 3.5)
 project(QtADSExamples LANGUAGES CXX VERSION ${VERSION_SHORT})
 add_subdirectory(simple)
+add_subdirectory(hideshow)
 add_subdirectory(sidebar)
-add_subdirectory(deleteonclose)
+add_subdirectory(deleteonclose)
+add_subdirectory(centralwidget)
+add_subdirectory(autohide)
+add_subdirectory(emptydockarea)
+add_subdirectory(dockindock)

examples/autohide/CMakeLists.txt

@@ -0,0 +1,28 @@
+cmake_minimum_required(VERSION 3.5)
+project(ads_example_autohide VERSION ${VERSION_SHORT}) 
+find_package(QT NAMES Qt6 Qt5 COMPONENTS Core REQUIRED)
+find_package(Qt${QT_VERSION_MAJOR} 5.5 COMPONENTS Core Gui Widgets REQUIRED)
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+add_executable(AutoHideExample WIN32 
+    main.cpp
+    mainwindow.cpp
+    mainwindow.ui
+)
+target_include_directories(AutoHideExample PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/../../src")
+target_link_libraries(AutoHideExample PRIVATE qt${QT_VERSION_MAJOR}advanceddocking)
+target_link_libraries(AutoHideExample PUBLIC Qt${QT_VERSION_MAJOR}::Core 
+                                                  Qt${QT_VERSION_MAJOR}::Gui 
+                                                  Qt${QT_VERSION_MAJOR}::Widgets)
+set_target_properties(AutoHideExample PROPERTIES 
+    AUTOMOC ON
+    AUTORCC ON
+    AUTOUIC ON
+    CXX_STANDARD 14
+    CXX_STANDARD_REQUIRED ON
+    CXX_EXTENSIONS OFF
+    VERSION ${VERSION_SHORT}
+    EXPORT_NAME "Qt Advanced Docking System Auto Hide Example"
+    ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/${ads_PlatformDir}/lib"
+    LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/${ads_PlatformDir}/lib"
+    RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/${ads_PlatformDir}/bin"
+)

examples/autohide/autohide.pro

@@ -0,0 +1,34 @@
+ADS_OUT_ROOT = $${OUT_PWD}/../..
+
+QT       += core gui widgets
+
+TARGET = AutoHideExample
+DESTDIR = $${ADS_OUT_ROOT}/lib
+TEMPLATE = app
+CONFIG += c++14
+CONFIG += debug_and_release
+adsBuildStatic {
+    DEFINES += ADS_STATIC
+}
+
+# The following define makes your compiler emit warnings if you use
+# any Qt feature that has been marked deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+SOURCES += \
+    main.cpp \
+    mainwindow.cpp
+
+HEADERS += \
+    mainwindow.h
+    
+FORMS += \
+    mainwindow.ui
+
+LIBS += -L$${ADS_OUT_ROOT}/lib
+include(../../ads.pri)
+INCLUDEPATH += ../../src
+DEPENDPATH += ../../src
+

examples/autohide/main.cpp

@@ -0,0 +1,10 @@
+#include <mainwindow.h>
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    CMainWindow w;
+    w.show();
+    return a.exec();
+}

examples/autohide/main.py

@@ -0,0 +1,106 @@
+import os
+import sys
+
+from PyQt5 import uic
+from PyQt5.QtCore import Qt, QTimer, QDir, QSignalBlocker
+from PyQt5.QtGui import QCloseEvent, QIcon
+from PyQt5.QtWidgets import (QApplication, QLabel, QCalendarWidget, QFrame, QTreeView,
+                             QTableWidget, QFileSystemModel, QPlainTextEdit, QToolBar,
+                             QWidgetAction, QComboBox, QAction, QSizePolicy, QInputDialog)
+
+from PyQtAds import QtAds
+
+UI_FILE = os.path.join(os.path.dirname(__file__), 'mainwindow.ui')
+MainWindowUI, MainWindowBase = uic.loadUiType(UI_FILE)
+    
+class MainWindow(MainWindowUI, MainWindowBase):
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+
+        self.setupUi(self)
+ 
+        QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.OpaqueSplitterResize, True)
+        QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.XmlCompressionEnabled, False)
+        QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.FocusHighlighting, True)
+        self.dock_manager = QtAds.CDockManager(self)
+        
+        # Set central widget
+        text_edit = QPlainTextEdit()
+        text_edit.setPlaceholderText("This is the central editor. Enter your text here.")
+        central_dock_widget = QtAds.CDockWidget("CentralWidget")
+        central_dock_widget.setWidget(text_edit)
+        central_dock_area = self.dock_manager.setCentralWidget(central_dock_widget)
+        central_dock_area.setAllowedAreas(QtAds.DockWidgetArea.OuterDockAreas)
+        
+        # create other dock widgets
+        table = QTableWidget()
+        table.setColumnCount(3)
+        table.setRowCount(10)
+        table_dock_widget = QtAds.CDockWidget("Table 1")
+        table_dock_widget.setWidget(table)
+        table_dock_widget.setMinimumSizeHintMode(QtAds.CDockWidget.MinimumSizeHintFromDockWidget)
+        table_dock_widget.resize(250, 150)
+        table_dock_widget.setMinimumSize(200, 150)
+        table_area = self.dock_manager.addDockWidget(QtAds.DockWidgetArea.LeftDockWidgetArea, table_dock_widget)
+        self.menuView.addAction(table_dock_widget.toggleViewAction())
+        
+        table = QTableWidget()
+        table.setColumnCount(5)
+        table.setRowCount(1020)
+        table_dock_widget = QtAds.CDockWidget("Table 2")
+        table_dock_widget.setWidget(table)
+        table_dock_widget.setMinimumSizeHintMode(QtAds.CDockWidget.MinimumSizeHintFromDockWidget)
+        table_dock_widget.resize(250, 150)
+        table_dock_widget.setMinimumSize(200, 150)
+        table_area = self.dock_manager.addDockWidget(QtAds.DockWidgetArea.BottomDockWidgetArea, table_dock_widget, table_area)
+        self.menuView.addAction(table_dock_widget.toggleViewAction())
+
+        properties_table = QTableWidget()
+        properties_table.setColumnCount(3)
+        properties_table.setRowCount(10)
+        properties_dock_widget = QtAds.CDockWidget("Properties")
+        properties_dock_widget.setWidget(properties_table)
+        properties_dock_widget.setMinimumSizeHintMode(QtAds.CDockWidget.MinimumSizeHintFromDockWidget)
+        properties_dock_widget.resize(250, 150)
+        properties_dock_widget.setMinimumSize(200, 150)
+        self.dock_manager.addDockWidget(QtAds.DockWidgetArea.RightDockWidgetArea, properties_dock_widget, central_dock_area)
+        self.menuView.addAction(properties_dock_widget.toggleViewAction())
+        
+        self.create_perspective_ui()
+        
+    def create_perspective_ui(self):
+        save_perspective_action = QAction("Create Perspective", self)
+        save_perspective_action.triggered.connect(self.save_perspective)
+        perspective_list_action = QWidgetAction(self)
+        self.perspective_combobox = QComboBox(self)
+        self.perspective_combobox.setSizeAdjustPolicy(QComboBox.AdjustToContents)
+        self.perspective_combobox.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred)
+        self.perspective_combobox.activated[str].connect(self.dock_manager.openPerspective)
+        perspective_list_action.setDefaultWidget(self.perspective_combobox)
+        self.toolBar.addSeparator()
+        self.toolBar.addAction(perspective_list_action)
+        self.toolBar.addAction(save_perspective_action)
+        
+    def save_perspective(self):
+        perspective_name, ok = QInputDialog.getText(self, "Save Perspective", "Enter Unique name:")
+        if not ok or not perspective_name:
+            return
+        
+        self.dock_manager.addPerspective(perspective_name)
+        blocker = QSignalBlocker(self.perspective_combobox)
+        self.perspective_combobox.clear()
+        self.perspective_combobox.addItems(self.dock_manager.perspectiveNames())
+        self.perspective_combobox.setCurrentText(perspective_name)
+        
+    def closeEvent(self, event: QCloseEvent):
+        self.dock_manager.deleteLater()
+        super().closeEvent(event)
+
+
+if __name__ == '__main__':
+    app = QApplication(sys.argv)
+    
+    w = MainWindow()
+    w.show()
+    app.exec_()

examples/autohide/mainwindow.cpp

@@ -0,0 +1,126 @@
+#include "mainwindow.h"
+
+#include "ui_mainwindow.h"
+
+#include <QWidgetAction>
+#include <QFileSystemModel>
+#include <QTableWidget>
+#include <QHBoxLayout>
+#include <QInputDialog>
+#include <QFileDialog>
+#include <QSettings>
+#include <QPlainTextEdit>
+#include <QToolBar>
+
+#include "AutoHideDockContainer.h"
+#include "DockAreaWidget.h"
+#include "DockAreaTitleBar.h"
+
+using namespace ads;
+
+
+CMainWindow::CMainWindow(QWidget *parent)
+    : QMainWindow(parent)
+    , ui(new Ui::CMainWindow)
+{
+    ui->setupUi(this);
+    CDockManager::setConfigFlag(CDockManager::OpaqueSplitterResize, true);
+    CDockManager::setConfigFlag(CDockManager::XmlCompressionEnabled, false);
+    CDockManager::setConfigFlag(CDockManager::FocusHighlighting, true);
+    CDockManager::setAutoHideConfigFlags(CDockManager::DefaultAutoHideConfig);
+    DockManager = new CDockManager(this);
+
+    // Set central widget
+    QPlainTextEdit* w = new QPlainTextEdit();
+	w->setPlaceholderText("This is the central editor. Enter your text here.");
+    CDockWidget* CentralDockWidget = new CDockWidget("CentralWidget");
+    CentralDockWidget->setWidget(w);
+    auto* CentralDockArea = DockManager->setCentralWidget(CentralDockWidget);
+    CentralDockArea->setAllowedAreas(DockWidgetArea::OuterDockAreas);
+
+    // create other dock widgets
+    QTableWidget* table = new QTableWidget();
+    table->setColumnCount(3);
+    table->setRowCount(10);
+    CDockWidget* TableDockWidget = new CDockWidget("Table 1");
+    TableDockWidget->setWidget(table);
+    TableDockWidget->setMinimumSizeHintMode(CDockWidget::MinimumSizeHintFromDockWidget);
+    TableDockWidget->setMinimumSize(200,150);
+    const auto autoHideContainer = DockManager->addAutoHideDockWidget(SideBarLocation::SideBarLeft, TableDockWidget);
+    autoHideContainer->setSize(480);
+    ui->menuView->addAction(TableDockWidget->toggleViewAction());
+
+    table = new QTableWidget();
+    table->setColumnCount(5);
+    table->setRowCount(1020);
+    TableDockWidget = new CDockWidget("Table 2");
+    TableDockWidget->setWidget(table);
+    TableDockWidget->setMinimumSizeHintMode(CDockWidget::MinimumSizeHintFromDockWidget);
+    TableDockWidget->resize(250, 150);
+    TableDockWidget->setMinimumSize(200,150);
+    DockManager->addAutoHideDockWidget(SideBarLocation::SideBarLeft, TableDockWidget);
+    ui->menuView->addAction(TableDockWidget->toggleViewAction());
+
+    QTableWidget* propertiesTable = new QTableWidget();
+    propertiesTable->setColumnCount(3);
+    propertiesTable->setRowCount(10);
+    CDockWidget* PropertiesDockWidget = new CDockWidget("Properties");
+    PropertiesDockWidget->setWidget(propertiesTable);
+    PropertiesDockWidget->setMinimumSizeHintMode(CDockWidget::MinimumSizeHintFromDockWidget);
+    PropertiesDockWidget->resize(250, 150);
+    PropertiesDockWidget->setMinimumSize(200,150);
+    DockManager->addDockWidget(DockWidgetArea::RightDockWidgetArea, PropertiesDockWidget, CentralDockArea);
+    ui->menuView->addAction(PropertiesDockWidget->toggleViewAction());
+
+    createPerspectiveUi();
+}
+
+CMainWindow::~CMainWindow()
+{
+    delete ui;
+}
+
+
+void CMainWindow::createPerspectiveUi()
+{
+	SavePerspectiveAction = new QAction("Create Perspective", this);
+	connect(SavePerspectiveAction, SIGNAL(triggered()), SLOT(savePerspective()));
+	PerspectiveListAction = new QWidgetAction(this);
+	PerspectiveComboBox = new QComboBox(this);
+	PerspectiveComboBox->setSizeAdjustPolicy(QComboBox::AdjustToContents);
+	PerspectiveComboBox->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
+	connect(PerspectiveComboBox, SIGNAL(currentTextChanged(const QString&)),
+		DockManager, SLOT(openPerspective(const QString&)));
+	PerspectiveListAction->setDefaultWidget(PerspectiveComboBox);
+	ui->toolBar->addSeparator();
+	ui->toolBar->addAction(PerspectiveListAction);
+	ui->toolBar->addAction(SavePerspectiveAction);
+}
+
+
+void CMainWindow::savePerspective()
+{
+	QString PerspectiveName = QInputDialog::getText(this, "Save Perspective", "Enter unique name:");
+	if (PerspectiveName.isEmpty())
+	{
+		return;
+	}
+
+	DockManager->addPerspective(PerspectiveName);
+	QSignalBlocker Blocker(PerspectiveComboBox);
+	PerspectiveComboBox->clear();
+	PerspectiveComboBox->addItems(DockManager->perspectiveNames());
+	PerspectiveComboBox->setCurrentText(PerspectiveName);
+}
+
+
+//============================================================================
+void CMainWindow::closeEvent(QCloseEvent* event)
+{
+    // Delete dock manager here to delete all floating widgets. This ensures
+    // that all top level windows of the dock manager are properly closed
+    DockManager->deleteLater();
+	QMainWindow::closeEvent(event);
+}
+
+

examples/autohide/mainwindow.h

@@ -0,0 +1,43 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+#include <QComboBox>
+#include <QWidgetAction>
+
+#include "DockManager.h"
+#include "DockAreaWidget.h"
+#include "DockWidget.h"
+
+QT_BEGIN_NAMESPACE
+namespace Ui { class CMainWindow; }
+QT_END_NAMESPACE
+
+class CMainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    CMainWindow(QWidget *parent = nullptr);
+    ~CMainWindow();
+
+protected:
+	virtual void closeEvent(QCloseEvent* event) override;
+
+private:
+	QAction* SavePerspectiveAction = nullptr;
+	QWidgetAction* PerspectiveListAction = nullptr;
+	QComboBox* PerspectiveComboBox = nullptr;
+
+    Ui::CMainWindow *ui;
+
+    ads::CDockManager* DockManager;
+    ads::CDockAreaWidget* StatusDockArea;
+    ads::CDockWidget* TimelineDockWidget;
+
+    void createPerspectiveUi();
+
+private slots:
+	void savePerspective();
+};
+#endif // MAINWINDOW_H

examples/autohide/mainwindow.ui

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>CMainWindow</class>
+ <widget class="QMainWindow" name="CMainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>1284</width>
+    <height>757</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget"/>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>1284</width>
+     <height>21</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menuView">
+    <property name="title">
+     <string>View</string>
+    </property>
+   </widget>
+   <addaction name="menuView"/>
+  </widget>
+  <widget class="QToolBar" name="toolBar">
+   <property name="windowTitle">
+    <string>toolBar</string>
+   </property>
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

examples/centralwidget/CMakeLists.txt

@@ -0,0 +1,28 @@
+cmake_minimum_required(VERSION 3.5)
+project(ads_example_centralwidget VERSION ${VERSION_SHORT}) 
+find_package(QT NAMES Qt6 Qt5 COMPONENTS Core REQUIRED)
+find_package(Qt${QT_VERSION_MAJOR} 5.5 COMPONENTS Core Gui Widgets REQUIRED)
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+add_executable(CentralWidgetExample WIN32 
+    main.cpp
+    mainwindow.cpp
+    mainwindow.ui
+)
+target_include_directories(CentralWidgetExample PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/../../src")
+target_link_libraries(CentralWidgetExample PRIVATE qt${QT_VERSION_MAJOR}advanceddocking)
+target_link_libraries(CentralWidgetExample PUBLIC Qt${QT_VERSION_MAJOR}::Core 
+                                                  Qt${QT_VERSION_MAJOR}::Gui 
+                                                  Qt${QT_VERSION_MAJOR}::Widgets)
+set_target_properties(CentralWidgetExample PROPERTIES 
+    AUTOMOC ON
+    AUTORCC ON
+    AUTOUIC ON
+    CXX_STANDARD 14
+    CXX_STANDARD_REQUIRED ON
+    CXX_EXTENSIONS OFF
+    VERSION ${VERSION_SHORT}
+    EXPORT_NAME "Qt Advanced Docking System Central Widget Example"
+    ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/${ads_PlatformDir}/lib"
+    LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/${ads_PlatformDir}/lib"
+    RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/${ads_PlatformDir}/bin"
+)

examples/centralwidget/centralwidget.pro

@@ -0,0 +1,34 @@
+ADS_OUT_ROOT = $${OUT_PWD}/../..
+
+QT       += core gui widgets
+
+TARGET = CentralWidgetExample
+DESTDIR = $${ADS_OUT_ROOT}/lib
+TEMPLATE = app
+CONFIG += c++14
+CONFIG += debug_and_release
+adsBuildStatic {
+    DEFINES += ADS_STATIC
+}
+
+# The following define makes your compiler emit warnings if you use
+# any Qt feature that has been marked deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+SOURCES += \
+    main.cpp \
+    mainwindow.cpp
+
+HEADERS += \
+    mainwindow.h
+
+FORMS += \
+    mainwindow.ui
+
+LIBS += -L$${ADS_OUT_ROOT}/lib
+include(../../ads.pri)
+INCLUDEPATH += ../../src
+DEPENDPATH += ../../src
+

examples/centralwidget/main.cpp

@@ -0,0 +1,10 @@
+#include <mainwindow.h>
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    CMainWindow w;
+    w.show();
+    return a.exec();
+}