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-rw-r--r--src/gui/widgets/qdockwidget.cpp37
1 files changed, 16 insertions, 21 deletions
diff --git a/src/gui/widgets/qdockwidget.cpp b/src/gui/widgets/qdockwidget.cpp
index 11f0a94..df9b171 100644
--- a/src/gui/widgets/qdockwidget.cpp
+++ b/src/gui/widgets/qdockwidget.cpp
@@ -68,6 +68,9 @@ QT_BEGIN_NAMESPACE
extern QString qt_setWindowTitle_helperHelper(const QString&, const QWidget*); // qwidget.cpp
+// qmainwindow.cpp
+extern QMainWindowLayout *qt_mainwindow_layout(const QMainWindow *window);
+
static inline bool hasFeature(const QDockWidgetPrivate *priv, QDockWidget::DockWidgetFeature feature)
{ return (priv->features & feature) == feature; }
@@ -690,7 +693,7 @@ void QDockWidgetPrivate::initDrag(const QPoint &pos, bool nca)
QMainWindow *win = qobject_cast<QMainWindow*>(parent);
Q_ASSERT(win != 0);
- QMainWindowLayout *layout = qobject_cast<QMainWindowLayout*>(win->layout());
+ QMainWindowLayout *layout = qt_mainwindow_layout(win);
Q_ASSERT(layout != 0);
if (layout->pluggingWidget != 0) // the main window is animating a docking operation
return;
@@ -711,8 +714,7 @@ void QDockWidgetPrivate::startDrag()
if (state == 0 || state->dragging)
return;
- QMainWindowLayout *layout
- = qobject_cast<QMainWindowLayout *>(q->parentWidget()->layout());
+ QMainWindowLayout *layout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
Q_ASSERT(layout != 0);
state->widgetItem = layout->unplug(q);
@@ -739,8 +741,7 @@ void QDockWidgetPrivate::endDrag(bool abort)
q->releaseMouse();
if (state->dragging) {
- QMainWindowLayout *mwLayout =
- qobject_cast<QMainWindowLayout *>(q->parentWidget()->layout());
+ QMainWindowLayout *mwLayout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
Q_ASSERT(mwLayout != 0);
if (abort || !mwLayout->plug(state->widgetItem)) {
@@ -780,8 +781,7 @@ bool QDockWidgetPrivate::isAnimating() const
if (mainWin == 0)
return false;
- QMainWindowLayout *mainWinLayout
- = qobject_cast<QMainWindowLayout*>(mainWin->layout());
+ QMainWindowLayout *mainWinLayout = qt_mainwindow_layout(mainWin);
if (mainWinLayout == 0)
return false;
@@ -847,9 +847,8 @@ bool QDockWidgetPrivate::mouseMoveEvent(QMouseEvent *event)
return ret;
QDockWidgetLayout *dwlayout
- = qobject_cast<QDockWidgetLayout*>(layout);
- QMainWindowLayout *mwlayout
- = qobject_cast<QMainWindowLayout*>(q->parentWidget()->layout());
+ = qobject_cast<QDockWidgetLayout *>(layout);
+ QMainWindowLayout *mwlayout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
if (!dwlayout->nativeWindowDeco()) {
if (!state->dragging
&& mwlayout->pluggingWidget == 0
@@ -943,8 +942,7 @@ void QDockWidgetPrivate::nonClientAreaMouseEvent(QMouseEvent *event)
}
#ifdef Q_OS_MAC
else { // workaround for lack of mouse-grab on Mac
- QMainWindowLayout *layout
- = qobject_cast<QMainWindowLayout *>(q->parentWidget()->layout());
+ QMainWindowLayout *layout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
Q_ASSERT(layout != 0);
q->move(event->globalPos() - state->pressPos);
@@ -980,8 +978,7 @@ void QDockWidgetPrivate::moveEvent(QMoveEvent *event)
if (state->ctrlDrag)
return;
- QMainWindowLayout *layout
- = qobject_cast<QMainWindowLayout *>(q->parentWidget()->layout());
+ QMainWindowLayout *layout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
Q_ASSERT(layout != 0);
QPoint globalMousePos = event->pos() + state->pressPos;
@@ -1009,7 +1006,7 @@ void QDockWidgetPrivate::setWindowState(bool floating, bool unplug, const QRect
Q_Q(QDockWidget);
if (!floating && parent) {
- QMainWindowLayout *mwlayout = qobject_cast<QMainWindowLayout *>(q->parentWidget()->layout());
+ QMainWindowLayout *mwlayout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
if (mwlayout && mwlayout->dockWidgetArea(q) == Qt::NoDockWidgetArea)
return; // this dockwidget can't be redocked
}
@@ -1055,7 +1052,7 @@ void QDockWidgetPrivate::setWindowState(bool floating, bool unplug, const QRect
if (floating != wasFloating) {
emit q->topLevelChanged(floating);
if (!floating && parent) {
- QMainWindowLayout *mwlayout = qobject_cast<QMainWindowLayout *>(q->parentWidget()->layout());
+ QMainWindowLayout *mwlayout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
if (mwlayout)
emit q->dockLocationChanged(mwlayout->dockWidgetArea(q));
}
@@ -1326,10 +1323,10 @@ void QDockWidget::changeEvent(QEvent *event)
#ifndef QT_NO_TABBAR
{
QMainWindow *win = qobject_cast<QMainWindow*>(parentWidget());
- if (QMainWindowLayout *winLayout =
- (win ? qobject_cast<QMainWindowLayout*>(win->layout()) : 0))
+ if (QMainWindowLayout *winLayout = qt_mainwindow_layout(win)) {
if (QDockAreaLayoutInfo *info = winLayout->layoutState.dockAreaLayout.info(this))
info->updateTabBar();
+ }
}
#endif // QT_NO_TABBAR
break;
@@ -1382,9 +1379,7 @@ bool QDockWidget::event(QEvent *event)
Q_D(QDockWidget);
QMainWindow *win = qobject_cast<QMainWindow*>(parentWidget());
- QMainWindowLayout *layout = 0;
- if (win != 0)
- layout = qobject_cast<QMainWindowLayout*>(win->layout());
+ QMainWindowLayout *layout = qt_mainwindow_layout(win);
switch (event->type()) {
#ifndef QT_NO_ACTION