void QWidget::hideWindow()
{
deactivateWidgetCleanup();
if (req_region.isEmpty()) // Already invisible?
return;
if ( testWFlags(WType_TopLevel) ) {
releaseMouse();
#ifndef QT_NO_QWS_MANAGER
if (QWSManager::grabbedMouse() == this) {
if ( extra && extra->topextra && extra->topextra->qwsManager ) {
extra->topextra->qwsManager->releaseGrab();
}
}
#endif
qwsDisplay()->requestRegion(winId(), QRegion());
qwsDisplay()->requestFocus(winId(),FALSE);
} else {
QWidget *p = parentWidget();
if ( p ) {
p->setChildrenAllocatedDirty( geometry(), this );
p->paintable_region_dirty = TRUE;
if ( p->overlapping_children )
p->overlapping_children = -1;
if ( p->isVisible() ) {
QApplication::postEvent( p, new QPaintEvent(geometry(), TRUE) );
paint_children( p,geometry(),TRUE );
}
}
}
updateRequestedRegion( mapToGlobal(QPoint(0,0)) );
}
void QWidgetPrivate::hide_sys()
{
Q_Q(QWidget);
QWindow *window = q->windowHandle();
if (q->testAttribute(Qt::WA_DontShowOnScreen)) {
q->setAttribute(Qt::WA_Mapped, false);
if (q->isWindow() && q->windowModality() != Qt::NonModal && window) {
// remove our window from the modal window list
QGuiApplicationPrivate::hideModalWindow(window);
}
// do not return here, if window non-zero, we must hide it
}
deactivateWidgetCleanup();
if (!q->isWindow()) {
QWidget *p = q->parentWidget();
if (p &&p->isVisible()) {
invalidateBuffer(q->rect());
}
} else {
invalidateBuffer(q->rect());
}
if (window)
window->setVisible(false);
}
void QWidget::destroy( bool destroyWindow, bool destroySubWindows )
{
deactivateWidgetCleanup();
if ( testWState(WState_Created) ) {
clearWState( WState_Created );
if ( children() ) {
QObjectListIt it(*children());
register QObject *obj;
while ( (obj=it.current()) ) { // destroy all widget children
++it;
if ( obj->isWidgetType() )
((QWidget*)obj)->destroy(destroySubWindows,
destroySubWindows);
}
}
releaseMouse();
if ( qt_pressGrab == this )
qt_pressGrab = 0;
#ifndef QT_NO_QWS_MANAGER
if (QWSManager::grabbedMouse() == this) {
if ( extra && extra->topextra && extra->topextra->qwsManager ) {
extra->topextra->qwsManager->releaseGrab();
}
}
#endif
if ( keyboardGrb == this )
releaseKeyboard();
if ( testWFlags(WShowModal) ) // just be sure we leave modal
qt_leave_modal( this );
else if ( testWFlags(WType_Popup) )
qApp->closePopup( this );
if ( testWFlags(WType_Desktop) ) {
} else {
if ( parentWidget() && parentWidget()->testWState(WState_Created) ) {
hideWindow();
}
if ( destroyWindow && isTopLevel() )
qwsDisplay()->destroyRegion( winId() );
}
setWinId( 0 );
}
}
void QWidgetPrivate::hide_sys()
{
Q_Q(QWidget);
deactivateWidgetCleanup();
if (q->isWindow()) {
q->releaseMouse();
// requestWindowRegion(QRegion());
extra->topextra->backingStore->releaseBuffer();
QWidget::qwsDisplay()->requestFocus(data.winid,false);
} else {
QWidget *p = q->parentWidget();
if (p &&p->isVisible()) {
invalidateBuffer(q->rect());
}
}
}