COntinued implementation of new advanced docking system, added stylesheet

AdvancedDockingSystem/src/v2/DockWidgetTitleBar.cpp

@@ -1,18 +1,176 @@
+/*******************************************************************************
+** QtAdcancedDockingSystem
+** Copyright (C) 2017 Uwe Kindler
+**
+** This program is free software: you can redistribute it and/or modify
+** it under the terms of the GNU General Public License as published by
+** the Free Software Foundation, either version 3 of the License, or
+** (at your option) any later version.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with this program. If not, see <http://www.gnu.org/licenses/>.
+******************************************************************************/
+
+
 //============================================================================
 /// \file   DockWidgetTitleBar.cpp
 /// \author Uwe Kindler
-/// \date   23.02.2017
-/// \brief  Implementation of DockWidgetTitleBar
+/// \date   27.02.2017
+/// \brief  Implementation of CDockWidgetTitleBar class
 //============================================================================
 
+
 //============================================================================
 //                                   INCLUDES
 //============================================================================
 #include "DockWidgetTitleBar.h"
 
+#include <QBoxLayout>
+#include <QLabel>
+#include <QMouseEvent>
+#include <QStyle>
+
+#include "DockWidget.h"
+
 namespace ads
 {
+/**
+ * Private data class of CDockWidgetTitleBar class (pimpl)
+ */
+struct DockWidgetTitleBarPrivate
+{
+	CDockWidgetTitleBar* _this;
+	CDockWidget* DockWidget;
+	QLabel* IconLabel;
+	QLabel* TitleLabel;
+	QPoint DragStartMousePosition;
+	bool IsActiveTab = false;
 
+	/**
+	 * Private data constructor
+	 */
+	DockWidgetTitleBarPrivate(CDockWidgetTitleBar* _public);
+
+	/**
+	 * Creates the complete layout including all controls
+	 */
+	void createLayout();
+};
+// struct DockWidgetTitleBarPrivate
+
+//============================================================================
+DockWidgetTitleBarPrivate::DockWidgetTitleBarPrivate(CDockWidgetTitleBar* _public) :
+	_this(_public)
+{
+
+}
+
+
+//============================================================================
+void DockWidgetTitleBarPrivate::createLayout()
+{
+	QBoxLayout* l = new QBoxLayout(QBoxLayout::LeftToRight);
+	l->setContentsMargins(0, 0, 0, 0);
+	_this->setLayout(l);
+
+	IconLabel = new QLabel();
+	IconLabel->setAlignment(Qt::AlignVCenter);
+	l->addWidget(IconLabel, Qt::AlignVCenter);
+
+	TitleLabel = new QLabel();
+	l->addWidget(TitleLabel, 1);
+
+	IconLabel->setVisible(false);
+	TitleLabel->setVisible(true);
+	TitleLabel->setText(DockWidget->windowTitle());
+}
+
+
+//============================================================================
+CDockWidgetTitleBar::CDockWidgetTitleBar(CDockWidget* DockWidget, QWidget *parent) :
+	QFrame(parent),
+	d(new DockWidgetTitleBarPrivate(this))
+{
+	d->DockWidget = DockWidget;
+	d->createLayout();
+}
+
+//============================================================================
+CDockWidgetTitleBar::~CDockWidgetTitleBar()
+{
+	delete d;
+}
+
+
+//============================================================================
+void CDockWidgetTitleBar::mousePressEvent(QMouseEvent* ev)
+{
+	if (ev->button() == Qt::LeftButton)
+	{
+		ev->accept();
+        d->DragStartMousePosition = ev->pos();
+		return;
+	}
+	QFrame::mousePressEvent(ev);
+}
+
+
+
+//============================================================================
+void CDockWidgetTitleBar::mouseReleaseEvent(QMouseEvent* ev)
+{
+    if (!d->DragStartMousePosition.isNull())
+    {
+		emit clicked();
+    }
+
+    d->DragStartMousePosition = QPoint();
+}
+
+
+//============================================================================
+void CDockWidgetTitleBar::mouseMoveEvent(QMouseEvent* ev)
+{
+
+}
+
+
+//============================================================================
+bool CDockWidgetTitleBar::isActiveTab() const
+{
+	return d->IsActiveTab;
+}
+
+
+//============================================================================
+void CDockWidgetTitleBar::setActiveTab(bool active)
+{
+	if (d->IsActiveTab == active)
+	{
+		return;
+	}
+
+	d->IsActiveTab = active;
+	style()->unpolish(this);
+	style()->polish(this);
+	d->TitleLabel->style()->unpolish(d->TitleLabel);
+	d->TitleLabel->style()->polish(d->TitleLabel);
+	update();
+
+	emit activeTabChanged();
+}
+
+
+//============================================================================
+CDockWidget* CDockWidgetTitleBar::dockWidget() const
+{
+	return d->DockWidget;
+}
 } // namespace ads
 
 //---------------------------------------------------------------------------