QtWidgets: Change QTLWExtra::window from QWindow to QWidgetWindow

Revert commit a1d4e4c9: We’re now using QWidgetWindow
API from QWidget code.

Add QWidgetPrivate::windowHandle() which returns
a QWidgetWindow pointer. Use this function to remove
casts where QWidgetWindow API is used.

Change-Id: Ie66a69b5c0461f297996118dc907e1d7b3d78df5
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
This commit is contained in:
Morten Johan Sørvig 2017-05-30 12:40:11 +02:00
parent e3bdad13be
commit f657dda888
2 changed files with 15 additions and 11 deletions

View File

@ -1415,7 +1415,7 @@ void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyO
if (!q->testAttribute(Qt::WA_NativeWindow) && !q->isWindow())
return; // we only care about real toplevels
QWindow *win = topData()->window;
QWidgetWindow *win = topData()->window;
// topData() ensures the extra is created but does not ensure 'window' is non-null
// in case the extra was already valid.
if (!win) {
@ -1516,8 +1516,7 @@ void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyO
q->setAttribute(Qt::WA_OutsideWSRange, true);
} else if (q->isVisible()) {
// If widget is already shown, set window visible, too
QWidgetWindow *widgetWindow = qobject_cast<QWidgetWindow *>(win);
widgetWindow->setNativeWindowVisibility(true);
win->setNativeWindowVisibility(true);
}
}
@ -2640,11 +2639,7 @@ WId QWidget::effectiveWinId() const
QWindow *QWidget::windowHandle() const
{
Q_D(const QWidget);
QTLWExtra *extra = d->maybeTopData();
if (extra)
return extra->window;
return 0;
return d->windowHandle();
}
#ifndef QT_NO_STYLE_STYLESHEET
@ -7955,7 +7950,7 @@ void QWidgetPrivate::show_sys()
{
Q_Q(QWidget);
QWidgetWindow *window = qobject_cast<QWidgetWindow *>(q->windowHandle());
QWidgetWindow *window = windowHandle();
if (q->testAttribute(Qt::WA_DontShowOnScreen)) {
invalidateBuffer(q->rect());
@ -8094,7 +8089,7 @@ void QWidgetPrivate::hide_sys()
{
Q_Q(QWidget);
QWidgetWindow *window = qobject_cast<QWidgetWindow *>(q->windowHandle());
QWidgetWindow *window = windowHandle();
if (q->testAttribute(Qt::WA_DontShowOnScreen)) {
q->setAttribute(Qt::WA_Mapped, false);

View File

@ -76,6 +76,7 @@ QT_BEGIN_NAMESPACE
// Extra QWidget data
// - to minimize memory usage for members that are seldom used.
// - top-level widgets have extra extra data to reduce cost further
class QWidgetWindow;
class QPaintEngine;
class QPixmap;
class QWidgetBackingStore;
@ -160,7 +161,7 @@ struct QTLWExtra {
QWidgetBackingStoreTracker backingStoreTracker;
QBackingStore *backingStore;
QPainter *sharedPainter;
QWindow *window;
QWidgetWindow *window;
QOpenGLContext *shareContext;
// Implicit pointers (shared_null).
@ -338,6 +339,7 @@ public:
QPainter *sharedPainter() const;
void setSharedPainter(QPainter *painter);
QWidgetBackingStore *maybeBackingStore() const;
QWidgetWindow *windowHandle() const;
void init(QWidget *desktopWidget, Qt::WindowFlags f);
void create_sys(WId window, bool initializeWindow, bool destroyOldWindow);
void createRecursively();
@ -987,6 +989,13 @@ inline QWidgetBackingStore *QWidgetPrivate::maybeBackingStore() const
return x ? x->backingStoreTracker.data() : 0;
}
inline QWidgetWindow *QWidgetPrivate::windowHandle() const
{
if (QTLWExtra *x = maybeTopData())
return x->window;
return nullptr;
}
QT_END_NAMESPACE
#endif // QWIDGET_P_H