void QWidget::setWindowState(Qt::WindowStates newstate)
{
Q_D(QWidget);
Qt::WindowStates oldstate = windowState();
if (oldstate == newstate)
return;
if (isWindow() && !testAttribute(Qt::WA_WState_Created))
create();
data->window_state = newstate;
data->in_set_window_state = 1;
Qt::WindowState newEffectiveState = effectiveState(newstate);
Qt::WindowState oldEffectiveState = effectiveState(oldstate);
if (isWindow() && newEffectiveState != oldEffectiveState) {
// Ensure the initial size is valid, since we store it as normalGeometry below.
if (!testAttribute(Qt::WA_Resized) && !isVisible())
adjustSize();
d->createTLExtra();
if (oldEffectiveState == Qt::WindowNoState)
d->topData()->normalGeometry = geometry();
Q_ASSERT(windowHandle());
windowHandle()->setWindowState(newEffectiveState);
}
data->in_set_window_state = 0;
if (newstate & Qt::WindowActive)
activateWindow();
QWindowStateChangeEvent e(oldstate);
QApplication::sendEvent(this, &e);
}
void QWidget::setWindowState(Qt::WindowStates newstate)
{
Q_D(QWidget);
Qt::WindowStates oldstate = windowState();
if (oldstate == newstate)
return;
if (isWindow() && !testAttribute(Qt::WA_WState_Created))
create();
data->window_state = newstate;
data->in_set_window_state = 1;
bool needShow = false;
Qt::WindowStates newEffectiveState = effectiveState(newstate);
Qt::WindowStates oldEffectiveState = effectiveState(oldstate);
if (isWindow() && newEffectiveState != oldEffectiveState) {
d->createTLExtra();
if (oldEffectiveState == Qt::WindowNoState) { //normal
d->topData()->normalGeometry = geometry();
} else if (oldEffectiveState == Qt::WindowFullScreen) {
setParent(0, d->topData()->savedFlags);
needShow = true;
} else if (oldEffectiveState == Qt::WindowMinimized) {
needShow = true;
}
if (newEffectiveState == Qt::WindowMinimized) {
//### not ideal...
hide();
needShow = false;
} else if (newEffectiveState == Qt::WindowFullScreen) {
d->topData()->savedFlags = windowFlags();
setParent(0, Qt::FramelessWindowHint | (windowFlags() & Qt::WindowStaysOnTopHint));
d->setFullScreenSize_helper();
raise();
needShow = true;
} else if (newEffectiveState == Qt::WindowMaximized) {
createWinId();
d->setMaxWindowState_helper();
} else { //normal
QRect r = d->topData()->normalGeometry;
if (r.width() >= 0) {
d->topData()->normalGeometry = QRect(0,0,-1,-1);
setGeometry(r);
}
}
}
data->in_set_window_state = 0;
if (needShow)
show();
if (newstate & Qt::WindowActive)
activateWindow();
QWindowStateChangeEvent e(oldstate);
QApplication::sendEvent(this, &e);
}
void QWidgetWindow::handleWindowStateChangedEvent(QWindowStateChangeEvent *event)
{
// QWindow does currently not know 'active'.
Qt::WindowStates eventState = event->oldState();
Qt::WindowStates widgetState = m_widget->windowState();
if (widgetState & Qt::WindowActive)
eventState |= Qt::WindowActive;
// Determine the new widget state, remember maximized/full screen
// during minimized.
switch (windowState()) {
case Qt::WindowNoState:
widgetState &= ~(Qt::WindowMinimized | Qt::WindowMaximized | Qt::WindowFullScreen);
break;
case Qt::WindowMinimized:
widgetState |= Qt::WindowMinimized;
break;
case Qt::WindowMaximized:
if (effectiveState(widgetState) == Qt::WindowNoState)
if (QTLWExtra *tle = m_widget->d_func()->maybeTopData())
tle->normalGeometry = m_widget->geometry();
widgetState |= Qt::WindowMaximized;
widgetState &= ~(Qt::WindowMinimized | Qt::WindowFullScreen);
break;
case Qt::WindowFullScreen:
if (effectiveState(widgetState) == Qt::WindowNoState)
if (QTLWExtra *tle = m_widget->d_func()->maybeTopData())
tle->normalGeometry = m_widget->geometry();
widgetState |= Qt::WindowFullScreen;
widgetState &= ~(Qt::WindowMinimized);
break;
case Qt::WindowActive: // Not handled by QWindow
break;
}
// Sent event if the state changed (that is, it is not triggered by
// QWidget::setWindowState(), which also sends an event to the widget).
if (widgetState != int(m_widget->data->window_state)) {
m_widget->data->window_state = widgetState;
QWindowStateChangeEvent widgetEvent(eventState);
QGuiApplication::sendSpontaneousEvent(m_widget, &widgetEvent);
}
}
// Store normal geometry used for saving application settings.
void QWidgetWindow::updateNormalGeometry()
{
QTLWExtra *tle = m_widget->d_func()->maybeTopData();
if (!tle)
return;
// Ask platform window, default to widget geometry.
QRect normalGeometry;
if (const QPlatformWindow *pw = handle())
normalGeometry = pw->normalGeometry();
if (!normalGeometry.isValid() && effectiveState(m_widget->windowState()) == Qt::WindowNoState)
normalGeometry = m_widget->geometry();
if (normalGeometry.isValid())
tle->normalGeometry = normalGeometry;
}
void QWidget::setWindowState(uint newstate)
{
in_show_maximized = 1;
bool resized = testWFlags( WState_Resized );
uint oldstate = effectiveState(widget_state);
widget_state &= ~(WState_Minimized | WState_Maximized | WState_FullScreen);
if (newstate & WindowMinimized)
widget_state |= WState_Minimized;
if (newstate & WindowMaximized)
widget_state |= WState_Maximized;
if (newstate & WindowFullScreen)
widget_state |= WState_FullScreen;
uint state = effectiveState(widget_state);
bool needShow = FALSE;
if (isTopLevel() && state != oldstate) {
createTLExtra();
if ( oldstate == 0 ) { //normal
topData()->normalGeometry = geometry();
} else if ( oldstate == WState_FullScreen ) {
reparent( 0, topData()->savedFlags, QPoint(0,0) );
needShow = isVisible();
} else if ( oldstate == WState_Minimized ) {
needShow = TRUE;
}
if ( state == WState_Minimized ) {
//### not ideal...
hide();
needShow = FALSE;
} else if ( state == WState_FullScreen ) {
needShow = needShow || isVisible();
topData()->savedFlags = getWFlags();
reparent( 0, WType_TopLevel | WStyle_Customize | WStyle_NoBorder |
// preserve some widget flags
(getWFlags() & 0xffff0000),
QPoint( 0, 0));
const QRect screen = qApp->desktop()->screenGeometry( qApp->desktop()->screenNumber( this ) );
move( screen.topLeft() );
resize( screen.size() );
if ( !resized )
clearWState( WState_Resized );
raise();
} else if ( state == WState_Maximized ) {
#ifndef QT_NO_QWS_MANAGER
if ( extra && extra->topextra && extra->topextra->qwsManager )
extra->topextra->qwsManager->maximize();
else
#endif
setGeometry( qt_maxWindowRect );
if ( !resized )
clearWState( WState_Resized );
} else { //normal
QRect r = topData()->normalGeometry;
if ( r.width() >= 0 ) {
topData()->normalGeometry = QRect(0,0,-1,-1);
setGeometry( r );
}
}
}
in_show_maximized = 0;
if (needShow)
show();
if (newstate & WindowActive)
setActiveWindow();
QEvent e(QEvent::WindowStateChange);
QApplication::sendEvent(this, &e);
}