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mfreiholz
272
AdvancedDockingSystem/src/ads/container_widget.cpp
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272
AdvancedDockingSystem/src/ads/container_widget.cpp
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#include "container_widget.h"
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#include <QPaintEvent>
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#include <QPainter>
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#include <QContextMenuEvent>
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#include <QMenu>
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#include <QSplitter>
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ADS_NAMESPACE_BEGIN
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// Static Helper //////////////////////////////////////////////////////
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static QSplitter* newSplitter(Qt::Orientation orientation = Qt::Horizontal)
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{
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QSplitter* s = new QSplitter();
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s->setChildrenCollapsible(false);
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s->setOpaqueResize(false);
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s->setOrientation(orientation);
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return s;
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}
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//static void deleteEmptySplitter(ContainerWidget* container)
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//{
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// auto splitters = container->findChildren<QSplitter*>();
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// for (auto i = 0; i < splitters.count(); ++i)
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// {
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// if (splitters[i]->count() == 0 && container->_splitter != splitters[i])
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// {
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// qDebug() << "Delete empty QSplitter";
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// splitters[i]->deleteLater();
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// }
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// }
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//}
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///////////////////////////////////////////////////////////////////////
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ContainerWidget::ContainerWidget(QWidget *parent) :
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QFrame(parent),
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_mainLayout(NULL),
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_orientation(Qt::Horizontal),
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_splitter(NULL)
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{
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_mainLayout = new QGridLayout();
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_mainLayout->setContentsMargins(9, 9, 9, 9);
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_mainLayout->setSpacing(9);
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setLayout(_mainLayout);
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}
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Qt::Orientation ContainerWidget::orientation() const
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{
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return _orientation;
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}
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void ContainerWidget::setOrientation(Qt::Orientation orientation)
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{
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if (_orientation != orientation)
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{
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_orientation = orientation;
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emit orientationChanged();
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}
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}
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void ContainerWidget::dropContent(const InternalContentData& data, SectionWidget* targetSection, DropArea area)
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{
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if (!targetSection)
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{
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qWarning() << "Drop on invalid targetSection";
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return;
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}
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auto targetSectionSplitter = findParentSplitter(targetSection);
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// Drop logic based on area.
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switch (area)
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{
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case TopDropArea:
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{
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auto sw = new SectionWidget(this);
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sw->addContent(data, true);
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if (targetSectionSplitter->orientation() == Qt::Vertical)
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{
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auto index = targetSectionSplitter->indexOf(targetSection);
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targetSectionSplitter->insertWidget(index, sw);
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}
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else
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{
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auto index = targetSectionSplitter->indexOf(targetSection);
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auto s = newSplitter(Qt::Vertical);
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s->addWidget(sw);
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s->addWidget(targetSection);
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targetSectionSplitter->insertWidget(index, s);
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}
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break;
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}
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case RightDropArea:
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{
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auto sw = new SectionWidget(this);
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sw->addContent(data, true);
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if (targetSectionSplitter->orientation() == Qt::Horizontal)
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{
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auto index = targetSectionSplitter->indexOf(targetSection);
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targetSectionSplitter->insertWidget(index + 1, sw);
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}
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else
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{
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auto index = targetSectionSplitter->indexOf(targetSection);
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auto s = newSplitter(Qt::Horizontal);
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s->addWidget(targetSection);
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s->addWidget(sw);
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targetSectionSplitter->insertWidget(index, s);
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}
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break;
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}
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case BottomDropArea:
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{
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auto sw = new SectionWidget(this);
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sw->addContent(data, true);
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if (targetSectionSplitter->orientation() == Qt::Vertical)
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{
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auto index = targetSectionSplitter->indexOf(targetSection);
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targetSectionSplitter->insertWidget(index + 1, sw);
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}
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else
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{
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auto index = targetSectionSplitter->indexOf(targetSection);
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auto s = newSplitter(Qt::Vertical);
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s->addWidget(targetSection);
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s->addWidget(sw);
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targetSectionSplitter->insertWidget(index, s);
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}
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break;
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}
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case LeftDropArea:
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{
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auto sw = new SectionWidget(this);
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sw->addContent(data, true);
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if (targetSectionSplitter->orientation() == Qt::Horizontal)
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{
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auto index = targetSectionSplitter->indexOf(targetSection);
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targetSectionSplitter->insertWidget(index, sw);
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}
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else
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{
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auto s = newSplitter(Qt::Horizontal);
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s->addWidget(sw);
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auto index = targetSectionSplitter->indexOf(targetSection);
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targetSectionSplitter->insertWidget(index, s);
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s->addWidget(targetSection);
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}
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break;
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}
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case CenterDropArea:
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{
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targetSection->addContent(data, true);
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break;
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}
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}
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}
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void ContainerWidget::addSection(SectionWidget* section)
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{
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// Create default splitter.
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if (!_splitter)
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{
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_splitter = new QSplitter(_orientation);
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_splitter->setChildrenCollapsible(false);
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_splitter->setOpaqueResize(false);
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_mainLayout->addWidget(_splitter, 0, 0);
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}
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if (_splitter->indexOf(section) != -1)
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{
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qWarning() << Q_FUNC_INFO << QString("Section has already been added");
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return;
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}
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_splitter->addWidget(section);
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}
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void ContainerWidget::splitSections(SectionWidget* s1, SectionWidget* s2, Qt::Orientation orientation)
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{
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addSection(s1);
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addSection(s2);
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//_sections.append(s2);
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auto currentSplitter = findParentSplitter(s1);
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if (currentSplitter)
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{
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const int index = currentSplitter->indexOf(s1);
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auto splitter = new QSplitter(orientation, this);
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splitter->setChildrenCollapsible(false);
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splitter->setOpaqueResize(false);
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splitter->addWidget(s1);
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splitter->addWidget(s2);
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currentSplitter->insertWidget(index, splitter);
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}
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// _mainLayout->replaceWidget(section1, splitter);
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// splitter->addWidget(section1);
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// splitter->addWidget(section2);
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}
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SectionWidget* ContainerWidget::sectionAt(const QPoint& pos) const
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{
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auto gpos = mapToGlobal(pos);
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for (int i = 0; i < _sections.size(); ++i)
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{
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auto sw = _sections[i];
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if (sw->rect().contains(sw->mapFromGlobal(gpos)))
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{
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return sw;
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}
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}
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return 0;
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}
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QRect ContainerWidget::outerTopDropRect() const
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{
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auto r = rect();
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auto h = r.height() / 100 * 5;
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return QRect(r.left(), r.top(), r.width(), h);
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}
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QRect ContainerWidget::outerRightDropRect() const
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{
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auto r = rect();
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auto w = r.width() / 100 * 5;
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return QRect(r.right() - w, r.top(), w, r.height());
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}
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QRect ContainerWidget::outerBottomDropRect() const
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{
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auto r = rect();
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auto h = r.height() / 100 * 5;
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return QRect(r.left(), r.bottom() - h, r.width(), h);
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}
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QRect ContainerWidget::outerLeftDropRect() const
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{
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auto r = rect();
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auto w = r.width() / 100 * 5;
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return QRect(r.left(), r.top(), w, r.height());
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}
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void ContainerWidget::paintEvent(QPaintEvent* e)
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{
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QFrame::paintEvent(e);
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// QPainter p(this);
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// p.fillRect(outerTopDropRect(), QBrush(QColor(Qt::red)));
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// p.fillRect(outerRightDropRect(), QBrush(QColor(Qt::green)));
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// p.fillRect(outerBottomDropRect(), QBrush(QColor(Qt::blue)));
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// p.fillRect(outerLeftDropRect(), QBrush(QColor(Qt::yellow)));
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}
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void ContainerWidget::contextMenuEvent(QContextMenuEvent*)
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{
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qDebug() << Q_FUNC_INFO;
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// if (_contents.size() <= 0)
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// {
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// QFrame::contextMenuEvent(e);
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// return;
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// }
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// // Menu with all available contents.
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// QMenu m;
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// for (int i = 0; i < _contents.size(); ++i)
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// {
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// auto c = _contents[i];
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// m.addAction(QIcon(), QString("Content %1").arg(c->uid()));
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// }
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// m.exec();
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}
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ADS_NAMESPACE_END
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