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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "qmainwindow_container.h"
#include "qdesigner_toolbar_p.h"
#include "formwindow.h"
#include <QtCore/qdebug.h>
#include <QtWidgets/qlayout.h>
#include <QtWidgets/qmenubar.h>
#include <QtWidgets/qtoolbar.h>
#include <QtWidgets/qstatusbar.h>
#include <QtWidgets/qdockwidget.h>
QT_BEGIN_NAMESPACE
namespace qdesigner_internal {
QMainWindowContainer::QMainWindowContainer(QMainWindow *widget, QObject *parent)
: QObject(parent),
m_mainWindow(widget)
{
}
int QMainWindowContainer::count() const
{
return m_widgets.size();
}
QWidget *QMainWindowContainer::widget(int index) const
{
return m_widgets.value(index, nullptr);
}
int QMainWindowContainer::currentIndex() const
{
// QTBUG-111603, handle plugins with unmanaged central widgets
auto *cw = m_mainWindow->centralWidget();
return cw != nullptr && m_widgets.contains(cw) ? 0 : -1;
}
void QMainWindowContainer::setCurrentIndex(int index)
{
Q_UNUSED(index);
}
namespace {
// Pair of <area,break_before>
using ToolBarData = std::pair<Qt::ToolBarArea, bool>;
ToolBarData toolBarData(QToolBar *me) {
const QMainWindow *mw = qobject_cast<const QMainWindow*>(me->parentWidget());
if (!mw || !mw->layout() || mw->layout()->indexOf(me) == -1) {
const QVariant desiredAreaV = me->property("_q_desiredArea");
const Qt::ToolBarArea desiredArea = desiredAreaV.canConvert<Qt::ToolBarArea>()
? desiredAreaV.value<Qt::ToolBarArea>() : Qt::TopToolBarArea;
return {desiredArea, false};
}
return ToolBarData(mw->toolBarArea(me), mw->toolBarBreak(me));
}
Qt::DockWidgetArea dockWidgetArea(QDockWidget *me)
{
if (const QMainWindow *mw = qobject_cast<const QMainWindow*>(me->parentWidget())) {
// Make sure that me is actually managed by mw, otherwise
// QMainWindow::dockWidgetArea() will be VERY upset
QList<QLayout*> candidates;
if (mw->layout()) {
candidates.append(mw->layout());
candidates += mw->layout()->findChildren<QLayout*>();
}
for (QLayout *l : std::as_const(candidates)) {
if (l->indexOf(me) != -1)
return mw->dockWidgetArea(me);
}
}
return Qt::LeftDockWidgetArea;
}
}
// In QMainWindowContainer::remove(), remember the dock area in a dynamic
// property so that it can used in addWidget() if that is called by undo().
static const char dockAreaPropertyName[] = "_q_dockArea";
void QMainWindowContainer::addWidget(QWidget *widget)
{
// remove all the occurrences of widget
m_widgets.removeAll(widget);
// the
if (QToolBar *toolBar = qobject_cast<QToolBar*>(widget)) {
m_widgets.append(widget);
const ToolBarData data = toolBarData(toolBar);
m_mainWindow->addToolBar(data.first, toolBar);
if (data.second) m_mainWindow->insertToolBarBreak(toolBar);
toolBar->show();
}
else if (QMenuBar *menuBar = qobject_cast<QMenuBar*>(widget)) {
if (menuBar != m_mainWindow->menuBar())
m_mainWindow->setMenuBar(menuBar);
m_widgets.append(widget);
menuBar->show();
}
else if (QStatusBar *statusBar = qobject_cast<QStatusBar*>(widget)) {
if (statusBar != m_mainWindow->statusBar())
m_mainWindow->setStatusBar(statusBar);
m_widgets.append(widget);
statusBar->show();
}
else if (QDockWidget *dockWidget = qobject_cast<QDockWidget*>(widget)) {
m_widgets.append(widget);
Qt::DockWidgetArea area = Qt::LeftDockWidgetArea;
const auto areaProperty = widget->property(dockAreaPropertyName);
if (areaProperty.canConvert<Qt::DockWidgetArea>()) {
area = areaProperty.value<Qt::DockWidgetArea>();
widget->setProperty(dockAreaPropertyName, {});
} else {
area = dockWidgetArea(dockWidget);
}
m_mainWindow->addDockWidget(area, dockWidget);
dockWidget->show();
if (FormWindow *fw = FormWindow::findFormWindow(m_mainWindow)) {
fw->manageWidget(widget);
}
}
else if (widget) {
m_widgets.prepend(widget);
if (widget != m_mainWindow->centralWidget()) {
// note that qmainwindow will delete the current central widget if you
// call setCentralWidget(), we end up with dangeling pointers in m_widgets list
m_widgets.removeAll(m_mainWindow->centralWidget());
widget->setParent(m_mainWindow);
m_mainWindow->setCentralWidget(widget);
}
}
}
void QMainWindowContainer::insertWidget(int index, QWidget *widget)
{
Q_UNUSED(index);
addWidget(widget);
}
void QMainWindowContainer::remove(int index)
{
QWidget *widget = m_widgets.at(index);
if (QToolBar *toolBar = qobject_cast<QToolBar*>(widget)) {
m_mainWindow->removeToolBar(toolBar);
} else if (QMenuBar *menuBar = qobject_cast<QMenuBar*>(widget)) {
menuBar->hide();
menuBar->setParent(nullptr);
m_mainWindow->setMenuBar(nullptr);
} else if (QStatusBar *statusBar = qobject_cast<QStatusBar*>(widget)) {
statusBar->hide();
statusBar->setParent(nullptr);
m_mainWindow->setStatusBar(nullptr);
} else if (QDockWidget *dockWidget = qobject_cast<QDockWidget*>(widget)) {
const auto area = m_mainWindow->dockWidgetArea(dockWidget);
dockWidget->setProperty(dockAreaPropertyName, QVariant::fromValue(area));
m_mainWindow->removeDockWidget(dockWidget);
}
m_widgets.removeAt(index);
}
} // namespace qdesigner_internal
QT_END_NAMESPACE
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