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-rw-r--r--src/gui/widgets/qmainwindowlayout.cpp11
1 files changed, 7 insertions, 4 deletions
diff --git a/src/gui/widgets/qmainwindowlayout.cpp b/src/gui/widgets/qmainwindowlayout.cpp
index 62ee398..4dd5208 100644
--- a/src/gui/widgets/qmainwindowlayout.cpp
+++ b/src/gui/widgets/qmainwindowlayout.cpp
@@ -160,7 +160,7 @@ static void dumpLayout(QTextStream &qout, const QDockAreaLayout &layout, QString
void qt_dumpLayout(QTextStream &qout, QMainWindow *window)
{
- QMainWindowLayout *layout = qobject_cast<QMainWindowLayout*>(window->layout());
+ QMainWindowLayout *layout = qt_mainwindow_layout(window);
dumpLayout(qout, layout->layoutState.dockAreaLayout, QString());
}
@@ -235,7 +235,7 @@ void QMainWindowLayoutState::apply(bool animated)
dockAreaLayout.apply(animated);
#else
if (centralWidgetItem != 0) {
- QMainWindowLayout *layout = qobject_cast<QMainWindowLayout*>(mainWindow->layout());
+ QMainWindowLayout *layout = qt_mainwindow_layout(mainWindow);
Q_ASSERT(layout != 0);
layout->widgetAnimator.animate(centralWidgetItem->widget(), centralWidgetRect, animated);
}
@@ -1674,8 +1674,8 @@ void QMainWindowLayout::restore(bool keepSavedState)
updateGapIndicator();
}
-QMainWindowLayout::QMainWindowLayout(QMainWindow *mainwindow)
- : QLayout(mainwindow)
+QMainWindowLayout::QMainWindowLayout(QMainWindow *mainwindow, QLayout *parentLayout)
+ : QLayout(parentLayout ? static_cast<QWidget *>(0) : mainwindow)
, layoutState(mainwindow)
, savedState(mainwindow)
, dockOptions(QMainWindow::AnimatedDocks | QMainWindow::AllowTabbedDocks)
@@ -1698,6 +1698,9 @@ QMainWindowLayout::QMainWindowLayout(QMainWindow *mainwindow)
, blockVisiblityCheck(false)
#endif
{
+ if (parentLayout)
+ setParent(parentLayout);
+
#ifndef QT_NO_DOCKWIDGET
#ifndef QT_NO_TABBAR
sep = mainwindow->style()->pixelMetric(QStyle::PM_DockWidgetSeparatorExtent, 0, mainwindow);