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QTabFramework.cpp
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#include "stdafx.h"
#include "QTabFramework.h"
class QTabDropOverlay : public QWidget
{
public:
QTabDropOverlay(QWidget* parent) : QWidget(parent)
{
setPalette(Qt::transparent);
setAttribute(Qt::WA_TransparentForMouseEvents);
}
private:
void paintEvent(QPaintEvent *event)
{
QPainter painter(this);
painter.setPen(Qt::NoPen);
painter.setBrush(QBrush(QColor(88, 88, 88, 88)));
painter.drawRect(rect());
}
};
QTabDrawer::QTabDrawer(QTabContainer* tabContainer) : QTabBar(tabContainer), tabContainer(tabContainer), pressedIndex(-1)
{
//setMovable(true);
setTabsClosable(true);
setUsesScrollButtons(true);
setElideMode(Qt::ElideRight);
connect(this, SIGNAL(tabCloseRequested(int)), this, SLOT(closeTab(int)));
}
void QTabDrawer::mousePressEvent(QMouseEvent* event)
{
if (event->button() != Qt::LeftButton)
{
event->ignore();
return;
}
pressedIndex = tabAt(event->pos());
if(pressedIndex >= 0)
{
dragStartPosition = event->pos();
}
QTabBar::mousePressEvent(event);
}
void QTabDrawer::mouseReleaseEvent(QMouseEvent* event)
{
if (event->button() != Qt::LeftButton)
{
event->ignore();
return;
}
QTabBar::mouseReleaseEvent(event);
}
void QTabDrawer::mouseMoveEvent(QMouseEvent* event)
{
// Start drag
if(pressedIndex >= 0)
{
if ((event->pos() - dragStartPosition).manhattanLength() > QApplication::startDragDistance())
{
QWidget* dragWidget = tabContainer->widget(pressedIndex);
QMimeData* mimeData = new QMimeData;
QRect tabRect = this->tabRect(pressedIndex);
int tabWidth = tabRect.width();
QByteArray data;
data.append((const char*)&tabWidth, sizeof(tabWidth));
mimeData->setData("application/x-tabwidget", QByteArray());
QDrag* drag = new QDrag(dragWidget);
drag->setMimeData(mimeData);
QPixmap pixmap = QPixmap::grabWidget(this, tabRect);
drag->setPixmap(pixmap);
drag->setHotSpot(QPoint(event->pos().x() - tabRect.x(), event->pos().y() - tabRect.y()));
//drag->setHotSpot(QPoint(dragStartPosition.x() - tabRect.x(), dragStartPosition.y() - tabRect.y()));
Qt::DropAction ret = drag->exec(Qt::MoveAction);
if(ret != Qt::MoveAction)
tabContainer->tabWindow->tabFramework->moveTabLater(dragWidget, 0, QTabFramework::InsertFloating, -1);
pressedIndex = -1;
return;
}
}
else
QTabBar::mouseMoveEvent(event);
}
void QTabDrawer::closeTab(int index)
{
QWidget* widget = tabContainer->widget(index);
tabContainer->tabWindow->tabFramework->hideTab(widget);
}
QTabSplitter::QTabSplitter(Qt::Orientation orientation, QWidget* parent, QTabWindow* tabWindow) : QSplitter(orientation, parent), tabWindow(tabWindow)
{
setChildrenCollapsible(false);
}
void QTabSplitter::writeLayout(QDataStream& stream)
{
stream << saveState();
stream << (quint32)orientation();
for(int i = 0, count = this->count(); i < count; ++i)
{
QWidget* widget = this->widget(i);
QTabSplitter* tabSplitter = dynamic_cast<QTabSplitter*>(widget);
if(tabSplitter)
{
stream << (quint32)QTabFramework::SplitterType;
tabSplitter->writeLayout(stream);
}
else
{
QTabContainer* tabContainer = dynamic_cast<QTabContainer*>(widget);
if(tabContainer)
{
stream << (quint32)QTabFramework::ContainerType;
tabContainer->writeLayout(stream);
}
}
}
stream << (quint32)QTabFramework::NoneType;
}
void QTabSplitter::readLayout(QDataStream& stream)
{
QByteArray state;
stream >> state;
quint32 orientation;
stream >> orientation;
setOrientation((Qt::Orientation)orientation);
quint32 type;
stream >> type;
while(type != QTabFramework::NoneType)
{
switch((QTabFramework::LayoutType)type)
{
case QTabFramework::SplitterType:
{
QTabSplitter* tabSplitter = new QTabSplitter(Qt::Horizontal, this, tabWindow);
addWidget(tabSplitter);
tabSplitter->readLayout(stream);
}
break;
case QTabFramework::ContainerType:
{
QTabContainer* tabContainer = new QTabContainer(this, tabWindow);
addWidget(tabContainer);
tabContainer->readLayout(stream);
}
break;
default:
Q_ASSERT(false);
break;
}
stream >> type;
}
restoreState(state);
}
QTabContainer::QTabContainer(QWidget* parent, QTabWindow* tabWindow) : QTabWidget(parent), tabWindow(tabWindow)
{
setTabBar(new QTabDrawer(this));
//setDocumentMode(true);
setAcceptDrops(true);
connect(this, SIGNAL(currentChanged(int)), this, SLOT(handleCurrentChanged(int)));
}
int QTabContainer::addTab(QWidget* widget, const QString& label)
{
int index = QTabWidget::addTab(widget, label);
setTabToolTip(index, label);
return index;
}
int QTabContainer::insertTab(int index, QWidget* widget, const QString& label)
{
index = QTabWidget::insertTab(index, widget, label);
setTabToolTip(index, label);
return index;
}
void QTabContainer::removeTab(int index)
{
QWidget* widget = this->widget(index);
QTabWidget::removeTab(index);
if(widget == tabWindow->focusTab)
tabWindow->tabFramework->handleFocusChanged(widget, this->widget(this->currentIndex()));
}
void QTabContainer::handleCurrentChanged(int index)
{
QWidget* widget = this->widget(index);
if(widget)
{
if(tabWindow->isActiveWindow())
{
QWidget* focusWidget = widget->focusWidget();
if(focusWidget)
focusWidget->setFocus();
else
widget->setFocus();
}
else if(tabWindow != tabWindow->tabFramework)
{
tabWindow->focusTab = widget;
tabWindow->setWindowTitle(widget->windowTitle());
}
}
}
QRect QTabContainer::findDropRect(const QPoint& globalPos, int tabWidth, QTabFramework::InsertPolicy& insertPolicy, QRect& tabRectResult, int& tabIndex)
{
QPoint pos = mapFromGlobal(globalPos);
QRect containerRect = rect();
QRect result;
tabIndex = -1;
if(containerRect.contains(pos))
{
if(count() == 0)
{
insertPolicy = QTabFramework::InsertOnTop;
result = containerRect;
}
else if(tabBar()->geometry().contains(pos))
{
insertPolicy = QTabFramework::Insert;
result = containerRect;
QTabBar* tabBar = this->tabBar();
for(int i = 0, count = tabBar->count(); i < count; ++i)
{
QRect tabRect = tabBar->tabRect(i);
if(tabRect.contains(pos))
{
tabRectResult = tabRect;
tabRectResult.setRight(tabRect.left() + tabWidth);
tabRectResult.translate(tabBar->mapToGlobal(QPoint(0, 0)));
tabIndex = i;
break;
}
}
}
else if(pos.x() < containerRect.x() + containerRect.width() / 3)
{
insertPolicy = QTabFramework::InsertLeft;
result = QRect(containerRect.topLeft(), QPoint(containerRect.x() + containerRect.width() / 3, containerRect.bottom()));
}
else if(pos.x() >= containerRect.x() + containerRect.width() * 2 / 3)
{
insertPolicy = QTabFramework::InsertRight;
result = QRect(QPoint(containerRect.x() + containerRect.width() * 2 / 3, containerRect.y()), containerRect.bottomRight());
}
else if(pos.y() < containerRect.y() + tabBar()->geometry().height())
{
insertPolicy = QTabFramework::Insert;
result = containerRect;
tabIndex = this->tabBar()->count();
}
else if(pos.y() < containerRect.y() + containerRect.height() / 3)
{
insertPolicy = QTabFramework::InsertTop;
result = QRect(containerRect.topLeft(), QPoint(containerRect.right(), containerRect.y() + containerRect.height() / 3));
}
else if(pos.y() >= containerRect.y() + containerRect.height() * 2 / 3)
{
insertPolicy = QTabFramework::InsertBottom;
result = QRect(QPoint(containerRect.x(), containerRect.y() + containerRect.height() * 2 / 3), containerRect.bottomRight());
}
else
{
insertPolicy = QTabFramework::InsertOnTop;
result = containerRect;
}
}
else
{
insertPolicy = QTabFramework::InsertFloating;
return QRect();
}
result.translate(mapToGlobal(QPoint(0, 0)));
return result;
}
void QTabContainer::writeLayout(QDataStream& stream)
{
stream << (quint32)currentIndex();
for(int i = 0, count = this->count(); i < count; ++i)
{
stream << (quint32)QTabFramework::TabType;
QWidget* widget = this->widget(i);
QString tabObjectName = tabWindow->tabFramework->tabObjectName(widget);
stream << tabObjectName;
}
stream << (quint32)QTabFramework::NoneType;
}
void QTabContainer::readLayout(QDataStream& stream)
{
quint32 currentIndex;
stream >> currentIndex;
quint32 type;
stream >> type;
while(type != QTabFramework::NoneType)
{
if(type == QTabFramework::TabType)
{
QString objectName;
stream >> objectName;
tabWindow->tabFramework->unhideTab(objectName, this);
}
else
{
Q_ASSERT(false);
}
stream >> type;
}
setCurrentIndex(currentIndex);
}
void QTabContainer::dragEnterEvent(QDragEnterEvent* event)
{
const QMimeData* mimeData = event->mimeData();
if(mimeData->hasFormat("application/x-tabwidget"))
{
QByteArray tabMimeData = mimeData->data("application/x-tabwidget");
int tabWidth = tabMimeData.size() >= (int)sizeof(int) ? *(const int*)tabMimeData.data() : 100;
QTabContainer* sourceTabContainer = dynamic_cast<QTabContainer*>(event->source()->parent()->parent());
QTabFramework::InsertPolicy insertPolicy;
QRect tabRect;
int tabIndex;
QRect rect = findDropRect(mapToGlobal(event->pos()), tabWidth, insertPolicy, tabRect, tabIndex);
if(sourceTabContainer == this && sourceTabContainer->count() == 1)
tabRect = QRect();
if(sourceTabContainer == this && (insertPolicy == QTabFramework::InsertOnTop || (sourceTabContainer->count() == 1 && insertPolicy != QTabFramework::Insert)) && !tabRect.isValid())
{
tabWindow->setDropOverlayRect(QRect());
event->acceptProposedAction();
}
else
{
tabWindow->setDropOverlayRect(rect, tabRect);
event->acceptProposedAction();
}
return;
}
event->ignore();
}
void QTabContainer::dragLeaveEvent(QDragLeaveEvent* event)
{
tabWindow->setDropOverlayRect(QRect());
}
void QTabContainer::dragMoveEvent(QDragMoveEvent* event)
{
const QMimeData* mineData = event->mimeData();
if(mineData->hasFormat("application/x-tabwidget"))
{
QByteArray tabMimeData = mineData->data("application/x-tabwidget");
int tabWidth = tabMimeData.size() >= (int)sizeof(int) ? *(const int*)tabMimeData.data() : 100;
QTabContainer* sourceTabContainer = dynamic_cast<QTabContainer*>(event->source()->parent()->parent());
QTabFramework::InsertPolicy insertPolicy;
QRect tabRect;
int tabIndex;
QRect rect = findDropRect(mapToGlobal(event->pos()), tabWidth, insertPolicy, tabRect, tabIndex);
if(sourceTabContainer == this && sourceTabContainer->count() == 1)
tabRect = QRect();
if(sourceTabContainer == this && (insertPolicy == QTabFramework::InsertOnTop || (sourceTabContainer->count() == 1 && insertPolicy != QTabFramework::Insert)) && !tabRect.isValid())
{
tabWindow->setDropOverlayRect(QRect());
event->acceptProposedAction();
}
else
{
tabWindow->setDropOverlayRect(rect, tabRect);
event->acceptProposedAction();
}
return;
}
event->ignore();
}
void QTabContainer::dropEvent(QDropEvent* event)
{
tabWindow->setDropOverlayRect(QRect());
const QMimeData* mineData = event->mimeData();
if(mineData->hasFormat("application/x-tabwidget"))
{
QByteArray tabMimeData = mineData->data("application/x-tabwidget");
int tabWidth = tabMimeData.size() >= (int)sizeof(int) ? *(const int*)tabMimeData.data() : 100;
QTabContainer* sourceTabContainer = dynamic_cast<QTabContainer*>(event->source()->parent()->parent());
QTabFramework::InsertPolicy insertPolicy;
QRect tabRect;
int tabIndex;
findDropRect(mapToGlobal(event->pos()), tabWidth, insertPolicy, tabRect, tabIndex);
if(sourceTabContainer == this && sourceTabContainer->count() == 1)
tabRect = QRect();
if(sourceTabContainer == this && (insertPolicy == QTabFramework::InsertOnTop || (sourceTabContainer->count() == 1 && insertPolicy != QTabFramework::Insert)) && !tabRect.isValid())
{
tabWindow->tabFramework->moveTabLater(event->source(), this, QTabFramework::InsertFloating, tabIndex);
event->acceptProposedAction();
}
else
{
if(sourceTabContainer == this && tabIndex - 1 > indexOf(event->source()))
--tabIndex;
tabWindow->tabFramework->moveTabLater(event->source(), this, insertPolicy, tabIndex);
event->acceptProposedAction();
}
tabWindow->setDropOverlayRect(QRect());
return;
}
event->ignore();
}
QTabWindow::QTabWindow(QTabFramework* tabFramework) : tabFramework(tabFramework), overlayWidget(0), overlayWidgetTab(0), focusTab(0)
{
new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this, SLOT(hideCurrent()));
}
void QTabWindow::hideCurrent()
{
QObject* widget = QApplication::focusWidget();
while(widget)
{
QTabContainer* tabContainer = dynamic_cast<QTabContainer*>(widget);
if(tabContainer)
{
tabFramework->hideTab(tabContainer->currentWidget());
return;
}
widget = widget->parent();
}
}
void QTabWindow::setDropOverlayRect(const QRect& globalRect, const QRect& globalTabRect)
{
if(globalRect.isValid())
{
if(!overlayWidget)
overlayWidget = new QTabDropOverlay(this);
overlayWidget->raise();
overlayWidget->show();
if(globalTabRect.isValid())
{
QRect wrect = globalRect;
wrect.setTop(globalTabRect.bottom() + 1);
QRect rect = wrect.translated(mapFromGlobal(QPoint(0, 0)));
overlayWidget->setGeometry(rect);
if(!overlayWidgetTab)
overlayWidgetTab = new QTabDropOverlay(this);
overlayWidgetTab->raise();
overlayWidgetTab->show();
QRect tabRect = globalTabRect.translated(mapFromGlobal(QPoint(0, 0)));
overlayWidgetTab->setGeometry(tabRect);
}
else
{
QRect rect = globalRect.translated(mapFromGlobal(QPoint(0, 0)));
overlayWidget->setGeometry(rect);
if(overlayWidgetTab)
overlayWidgetTab->hide();
}
}
else if(overlayWidget)
{
if(overlayWidgetTab)
overlayWidgetTab->hide();
overlayWidget->hide();
}
}
void QTabWindow::writeLayout(QDataStream& stream)
{
stream << saveGeometry();
stream << saveState();
QWidget* widget = centralWidget();
QTabSplitter* tabSplitter = dynamic_cast<QTabSplitter*>(widget);
if(tabSplitter)
{
stream << (quint32)QTabFramework::SplitterType;
tabSplitter->writeLayout(stream);
}
else
{
QTabContainer* tabContainer = dynamic_cast<QTabContainer*>(widget);
if(tabContainer)
{
stream << (quint32)QTabFramework::ContainerType;
tabContainer->writeLayout(stream);
}
else
stream << (quint32)QTabFramework::NoneType;
}
}
void QTabWindow::readLayout(QDataStream& stream)
{
QByteArray geometry, state;
stream >> geometry;
stream >> state;
quint32 type;
stream >> type;
switch((QTabFramework::LayoutType)type)
{
case QTabFramework::SplitterType:
{
QTabSplitter* tabSplitter = new QTabSplitter(Qt::Horizontal, this, this);
setCentralWidget(tabSplitter);
tabSplitter->readLayout(stream);
}
break;
case QTabFramework::ContainerType:
{
QTabContainer* tabContainer = new QTabContainer(this, this);
setCentralWidget(tabContainer);
tabContainer->readLayout(stream);
}
break;
default:
Q_ASSERT(false);
break;
}
restoreGeometry(geometry);
restoreState(state);
}
void QTabWindow::hideAllTabs()
{
QWidget* centralWidget = this->centralWidget();
if(!centralWidget)
return;
QLinkedList<QWidget*> widgets;
widgets.append(centralWidget);
for(QLinkedList<QWidget*>::Iterator i = widgets.begin(); i != widgets.end(); ++i)
{
QWidget* widget = *i;
QTabSplitter* tabSplitter = dynamic_cast<QTabSplitter*>(widget);
if(tabSplitter)
{
for(int i = 0, count = tabSplitter->count(); i < count; ++i)
{
QWidget* widget = tabSplitter->widget(i);
widgets.append(widget);
}
}
else
{
QTabContainer* tabContainer = dynamic_cast<QTabContainer*>(widget);
if(tabContainer)
for(int i = tabContainer->count() - 1; i >= 0; --i)
tabFramework->hideTab(tabContainer->widget(i), false);
}
}
}
int QTabWindow::tabCount()
{
QWidget* centralWidget = this->centralWidget();
if(!centralWidget)
return 0;
int count = 0;
QLinkedList<QWidget*> widgets;
widgets.append(centralWidget);
for(QLinkedList<QWidget*>::Iterator i = widgets.begin(); i != widgets.end(); ++i)
{
QWidget* widget = *i;
QTabSplitter* tabSplitter = dynamic_cast<QTabSplitter*>(widget);
if(tabSplitter)
{
for(int i = 0, count = tabSplitter->count(); i < count; ++i)
{
QWidget* widget = tabSplitter->widget(i);
widgets.append(widget);
}
}
else
{
QTabContainer* tabContainer = dynamic_cast<QTabContainer*>(widget);
if(tabContainer)
count += tabContainer->count();
}
}
return count;
}
void QTabWindow::closeEvent(QCloseEvent* event)
{
//event->ignore();
//QMainWindow::closeEvent(event);
//
//QTimer::singleShot(0, tabFramework, SLOT(close()));
//QTabContainer* centralTabContainer = dynamic_cast<QTabContainer*>(centralWidget());
//if(!centralTabContainer || centralTabContainer->count() > 1)
{
event->ignore();
//QMainWindow::closeEvent(event);
QTimer::singleShot(0, tabFramework, SLOT(close()));
//int tabCount = this->tabCount();
//if(QMessageBox::question(this, tr("Close Window"), tabCount == 2 ? tr("Do you really want to close both tabs?") : tr("Do you really want to close all %1 tabs?").arg(tabCount), QMessageBox::Yes | QMessageBox::No) != QMessageBox::Yes)
//{
// event->ignore();
// return;
//}
return;
}
//hideAllTabs();
//
//QMainWindow::closeEvent(event);
//
//tabFramework->removeWindow(this);
}
QTabFramework::QTabFramework() : QTabWindow(this), moveTabWidget(0)
{
connect(&signalMapper, SIGNAL(mapped(QWidget*)), this, SLOT(toggleVisibility(QWidget*)));
connect(qApp, SIGNAL(focusChanged(QWidget*, QWidget*)), this, SLOT(handleFocusChanged(QWidget*, QWidget*)));
}
QTabFramework::~QTabFramework()
{
for(QHash<QWidget*, TabData>::Iterator i = tabs.begin(), end = tabs.end(); i != end; ++i)
{
TabData& tabData = i.value();
if(tabData.hidden)
delete i.key();
}
qDeleteAll(floatingWindows);
}
void QTabFramework::addTab(QWidget* widget, InsertPolicy insertPolicy, QWidget* position)
{
if(tabs.contains(widget))
return;
// determine object name
QString objectName = widget->objectName();
if(objectName.isEmpty())
{
QString className = widget->metaObject()->className();
for(int num = 0;; ++num)
{
objectName = className + "_" + QString::number(num);
if(!tabsByName.contains(objectName))
break;
}
}
else
{
QString objectClassName = objectName;
if(tabsByName.contains(objectName))
for(int num = 0;; ++num)
{
objectName = objectClassName + "_" + QString::number(num);
if(!tabsByName.contains(objectName))
break;
}
}
// create tab data
TabData& tabData = *tabs.insert(widget, TabData());
tabData.widget = widget;
tabData.objectName = objectName;
tabData.hidden = false;
tabData.action = 0;
tabsByName.insert(objectName, &tabData);
widget->installEventFilter(this);
//
addTab(widget, position ? dynamic_cast<QTabContainer*>(position->parent()->parent()) : 0, insertPolicy, -1);
}
void QTabFramework::moveTab(QWidget* widget, InsertPolicy insertPolicy, QWidget* position)
{
QHash<QWidget*, TabData>::Iterator it = tabs.find(widget);
if(it == tabs.end())
return;
TabData& tabData = it.value();
if(tabData.hidden)
{
addTab(widget, position ? dynamic_cast<QTabContainer*>(position->parent()->parent()) : 0, insertPolicy, -1);
tabData.hidden = false;
if(tabData.action)
tabData.action->setChecked(true);
}
else
{
moveTab(widget, position ? dynamic_cast<QTabContainer*>(position->parent()->parent()) : 0, insertPolicy, -1);
}
}
void QTabFramework::removeTab(QWidget* widget)
{
QHash<QWidget*, TabData>::Iterator it = tabs.find(widget);
if(it == tabs.end())
return;
TabData& tabData = it.value();
if(!tabData.hidden)
{
QTabContainer* tabContainer = dynamic_cast<QTabContainer*>(widget->parent()->parent());
int movedIndex = tabContainer->indexOf(widget);
tabContainer->removeTab(movedIndex);
widget->setParent(NULL);
removeContainerIfEmpty(tabContainer);
}
if(tabData.action)
delete tabData.action;
tabsByName.remove(tabData.objectName);
tabs.erase(it);
widget->removeEventFilter(this);
}
void QTabFramework::hideTab(QWidget* widget)
{
QHash<QWidget*, TabData>::Iterator it = tabs.find(widget);
if(it == tabs.end())
return;
TabData& tabData = it.value();
if(!tabData.hidden)
hideTab(widget, true);
}
bool QTabFramework::isVisible(QWidget* widget) const
{
QHash<QWidget*, TabData>::ConstIterator it = tabs.find(widget);
if(it == tabs.end())
return false;
const TabData& tabData = it.value();
return !tabData.hidden;
}
QAction* QTabFramework::toggleViewAction(QWidget* widget)
{
QHash<QWidget*, TabData>::Iterator it = tabs.find(widget);
if(it == tabs.end())
return 0;
TabData& tabData = it.value();
if(!tabData.action)
{
tabData.action = new QAction(widget->windowTitle(), this);
tabData.action->setCheckable(true);
tabData.action->setChecked(!tabData.hidden);
connect(tabData.action, SIGNAL(triggered()), &signalMapper, SLOT(map()));
signalMapper.setMapping(tabData.action, widget);
}
return tabData.action;
}
void QTabFramework::restoreLayout(const QByteArray& layout)
{
if(layout.isEmpty())
return;
// check format version
QDataStream dataStream(layout);
quint32 version;
dataStream >> version;
if(version != 101)
return;
// close all floating windows
for(QList<QTabWindow*>::Iterator i = floatingWindows.begin(), end = floatingWindows.end(); i != end; ++i)
{
QTabWindow* tabWindow = *i;
tabWindow->hideAllTabs();
delete tabWindow;
}
floatingWindows.clear();
// hide all tabs
hideAllTabs();
QWidget* centralWidget = this->centralWidget();
if(centralWidget)
{
setCentralWidget(0);
delete centralWidget;
}
// restore local layout
quint32 type;
dataStream >> type;
if(type == WindowType)
readLayout(dataStream);
// create floating windows
dataStream >> type;
while(type != NoneType)
{
if(type == WindowType)
{
QTabWindow* tabWindow = createWindow();
tabWindow->readLayout(dataStream);
if(QMainWindow::isVisible())
tabWindow->show();
}
else
{
Q_ASSERT(false);
}
dataStream >> type;
}
QList<qint32> zOrder;
dataStream >> zOrder;
floatingWindowsZOrderToRestore.clear();
for(QList<qint32>::Iterator i = zOrder.begin(), end = zOrder.end(); i != end; ++i)
{
qint32 index = *i;
if(index < 0)
floatingWindowsZOrderToRestore.append(this);
else if(index < (qint32)floatingWindows.size())
floatingWindowsZOrderToRestore.append(floatingWindows.at(index));
}
}
QByteArray QTabFramework::saveLayout()
{
QByteArray result;
QDataStream dataStream(&result, QIODevice::WriteOnly);
quint32 version = 101;
dataStream << version;
dataStream << (quint32)WindowType;
writeLayout(dataStream);
for(QList<QTabWindow*>::Iterator i = floatingWindows.begin(), end = floatingWindows.end(); i != end; ++i)
{
QTabWindow* tabWindow = *i;
dataStream << (quint32)WindowType;
tabWindow->writeLayout(dataStream);
}
dataStream << (quint32)NoneType;
{
QList<qint32> zOrder;
for(QList<QTabWindow*>::Iterator i = floatingWindowsZOrder.begin(), end = floatingWindowsZOrder.end(); i != end; ++i)
zOrder.append(floatingWindows.indexOf(*i));
dataStream << zOrder;
}
return result;
}
void QTabFramework::addTab(QWidget* widget, QTabContainer* container, InsertPolicy insertPolicy, int tabIndex)
{
QWidget* centralWidget = this->centralWidget();
bool createWindow = !container || insertPolicy == InsertFloating || !centralWidget;
if(createWindow)
{
if(centralWidget)
{
QTabWindow* tabWindow = this->createWindow();
QTabContainer* container = new QTabContainer(tabWindow, tabWindow);
container->addTab(widget, widget->windowTitle());
tabWindow->setCentralWidget(container);
if(QMainWindow::isVisible())
tabWindow->show();
}
else
{
QTabContainer* container = new QTabContainer(this, this);
container->addTab(widget, widget->windowTitle());
setCentralWidget(container);
}
}
else
{
if(insertPolicy == InsertPolicy::InsertOnTop || (insertPolicy == InsertPolicy::Insert && tabIndex < 0))
{
insertPolicy = InsertPolicy::Insert;
tabIndex = container->count();
}
if(insertPolicy == InsertPolicy::Insert)
{
container->insertTab(tabIndex, widget, widget->windowTitle());
container->setCurrentIndex(tabIndex);
}
else if(insertPolicy == InsertPolicy::InsertLeft || insertPolicy == InsertPolicy::InsertRight ||
insertPolicy == InsertPolicy::InsertTop || insertPolicy == InsertPolicy::InsertBottom)
{
Qt::Orientation orientation = (insertPolicy == InsertPolicy::InsertLeft || insertPolicy == InsertPolicy::InsertRight) ? Qt::Horizontal : Qt::Vertical;
int widthOrHeight = 0;
if(orientation == Qt::Horizontal)
widthOrHeight = container->width();
else
widthOrHeight = container->height();
QTabSplitter* splitter = dynamic_cast<QTabSplitter*>(container->parent());
if(splitter && splitter->orientation() == orientation)
{
QTabContainer* newContainer = new QTabContainer(splitter, container->tabWindow);
newContainer->addTab(widget, widget->windowTitle());
int containerIndex = splitter->indexOf(container);
if(insertPolicy == InsertPolicy::InsertRight || insertPolicy == InsertPolicy::InsertBottom)
{
QList<int> sizes = splitter->sizes();
splitter->insertWidget(containerIndex + 1, newContainer);
sizes[containerIndex] -= widthOrHeight / 3;
sizes.insert(containerIndex + 1, widthOrHeight / 3 - splitter->handleWidth());
splitter->setSizes(sizes);
}
else
{
QList<int> sizes = splitter->sizes();
splitter->insertWidget(containerIndex, newContainer);
sizes[containerIndex] -= widthOrHeight / 3;
sizes.insert(containerIndex, widthOrHeight / 3 - splitter->handleWidth());
splitter->setSizes(sizes);
}
}
else
{
QTabSplitter* newSplitter = new QTabSplitter(orientation, splitter ? (QWidget*)splitter : (QWidget*)container->tabWindow, container->tabWindow);
QTabContainer* newContainer = new QTabContainer(newSplitter, container->tabWindow);
int containerIndex = -1;
QList<int> sizes;
if(splitter)
{
containerIndex = splitter->indexOf(container);
sizes = splitter->sizes();
}
newContainer->addTab(widget, widget->windowTitle());
container->setParent(NULL); // remove container from splitter or tabWindow
if(!splitter)
{
container->tabWindow->setCentralWidget(newSplitter);
//container->tabWindow->removeDropOverlay();
}
else
{
splitter->insertWidget(containerIndex, newSplitter);
splitter->setSizes(sizes);
}
if(insertPolicy == InsertPolicy::InsertRight || insertPolicy == InsertPolicy::InsertBottom)
{
newSplitter->addWidget(container);
newSplitter->addWidget(newContainer);
QList<int> sizes;
sizes.append(widthOrHeight - widthOrHeight / 3);
sizes.append(widthOrHeight / 3 - newSplitter->handleWidth());
newSplitter->setSizes(sizes);
}
else
{
newSplitter->addWidget(newContainer);
newSplitter->addWidget(container);
QList<int> sizes;
sizes.append(widthOrHeight / 3 - newSplitter->handleWidth());
sizes.append(widthOrHeight - widthOrHeight / 3);
newSplitter->setSizes(sizes);
}
}
}
else
{
Q_ASSERT(false);
}
}
}
void QTabFramework::moveTab(QWidget* widget, QTabContainer* position, InsertPolicy insertPolicy, int tabIndex)
{
//QHash<QWidget*, TabData>::Iterator it = tabs.find(widget);
//if(it == tabs.end())
// return;
//TabData& tabData = it.value();
//if(tabData.hidden)
//{
// addTab(widget, position, insertPolicy, tabIndex);
// tabData.hidden = false;
//}
//else
//{
QTabContainer* tabContainer = dynamic_cast<QTabContainer*>(widget->parent()->parent());
int movedIndex = tabContainer->indexOf(widget);
tabContainer->removeTab(movedIndex);
addTab(widget, position, insertPolicy, tabIndex);
removeContainerIfEmpty(tabContainer);
//}
}
void QTabFramework::moveTabLater(QWidget* widget, QTabContainer* position, InsertPolicy insertPolicy, int tabIndex)
{
moveTabWidget = widget;
moveTabPosition = position;
moveTabInsertPolicy = insertPolicy;