void QDockWidgetPrivate::updateButtons()
{
Q_Q(QDockWidget);
QDockWidgetLayout *layout = qobject_cast<QDockWidgetLayout*>(q->layout());
QStyleOptionDockWidget opt;
q->initStyleOption(&opt);
bool customTitleBar = layout->widget(QDockWidgetLayout::TitleBar) != 0;
bool nativeDeco = layout->nativeWindowDeco();
bool hideButtons = nativeDeco || customTitleBar;
bool canClose = hasFeature(q, QDockWidget::DockWidgetClosable);
bool canFloat = hasFeature(q, QDockWidget::DockWidgetFloatable);
QAbstractButton *button
= qobject_cast<QAbstractButton*>(layout->widget(QDockWidgetLayout::FloatButton));
button->setIcon(q->style()->standardIcon(QStyle::SP_TitleBarNormalButton));
button->setVisible(canFloat && !hideButtons);
button
= qobject_cast <QAbstractButton*>(layout->widget(QDockWidgetLayout::CloseButton));
button->setIcon(q->style()->standardIcon(QStyle::SP_TitleBarCloseButton));
button->setVisible(canClose && !hideButtons);
q->setAttribute(Qt::WA_ContentsPropagated,
(canFloat || canClose) && !hideButtons);
layout->invalidate();
}
/*! \reimp */
void QDockWidget::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event)
QDockWidgetLayout *layout
= qobject_cast<QDockWidgetLayout*>(this->layout());
bool customTitleBar = layout->widget(QDockWidgetLayout::TitleBar) != 0;
bool nativeDeco = layout->nativeWindowDeco();
if (!nativeDeco && !customTitleBar) {
QStylePainter p(this);
// ### Add PixelMetric to change spacers, so style may show border
// when not floating.
if (isFloating()) {
QStyleOptionFrame framOpt;
framOpt.init(this);
p.drawPrimitive(QStyle::PE_FrameDockWidget, framOpt);
}
// Title must be painted after the frame, since the areas overlap, and
// the title may wish to extend out to all sides (eg. XP style)
QStyleOptionDockWidgetV2 titleOpt;
initStyleOption(&titleOpt);
p.drawControl(QStyle::CE_DockWidgetTitle, titleOpt);
}
}
void QDockWidgetPrivate::setWindowState(bool floating, bool unplug, const QRect &rect)
{
Q_Q(QDockWidget);
bool wasFloating = q->isFloating();
bool hidden = q->isHidden();
if (q->isVisible())
q->hide();
Qt::WindowFlags flags = floating ? Qt::Tool : Qt::Widget;
QDockWidgetLayout *layout = qobject_cast<QDockWidgetLayout*>(q->layout());
bool nativeDeco = floating && layout->widget(QDockWidgetLayout::TitleBar) == 0;
#if defined(Q_WS_X11) || defined(Q_WS_QWS)
nativeDeco = false;
#endif
if (nativeDeco) {
flags |= Qt::CustomizeWindowHint | Qt::WindowTitleHint;
if (hasFeature(q, QDockWidget::DockWidgetClosable))
flags |= Qt::WindowSystemMenuHint;
} else {
flags |= Qt::FramelessWindowHint;
}
if (unplug)
flags |= Qt::X11BypassWindowManagerHint;
q->setWindowFlags(flags);
#ifdef Q_WS_MAC
if (floating && nativeDeco && (q->features() & QDockWidget::DockWidgetVerticalTitleBar)) {
ChangeWindowAttributes(HIViewGetWindow(HIViewRef(q->winId())), kWindowSideTitlebarAttribute, 0);
}
#endif
if (!rect.isNull())
q->setGeometry(rect);
updateButtons();
if (!hidden)
q->show();
if (floating != wasFloating)
emit q->topLevelChanged(floating);
resizer->setActive(QWidgetResizeHandler::Resize, !unplug && floating && !nativeDeco);
}
void QDockWidgetPrivate::endDrag(bool abort)
{
Q_Q(QDockWidget);
Q_ASSERT(state != 0);
q->releaseMouse();
if (state->dragging) {
QMainWindowLayout *layout =
qobject_cast<QMainWindowLayout *>(q->parentWidget()->layout());
Q_ASSERT(layout != 0);
if (abort || !layout->plug(state->widgetItem)) {
if (::hasFeature(q, QDockWidget::DockWidgetFloatable)) {
if (state->ownWidgetItem)
delete state->widgetItem;
layout->restore();
#ifdef Q_WS_X11
// get rid of the X11BypassWindowManager window flag and activate the resizer
Qt::WindowFlags flags = q->windowFlags();
flags &= ~Qt::X11BypassWindowManagerHint;
q->setWindowFlags(flags);
resizer->setActive(QWidgetResizeHandler::Resize, true);
q->show();
#else
QDockWidgetLayout *myLayout
= qobject_cast<QDockWidgetLayout*>(q->layout());
resizer->setActive(QWidgetResizeHandler::Resize,
myLayout->widget(QDockWidgetLayout::TitleBar) != 0);
#endif
undockedGeometry = q->geometry();
q->activateWindow();
} else {
layout->revert(state->widgetItem);
}
}
}
delete state;
state = 0;
}
QWidget *QDockWidget::titleBarWidget() const
{
QDockWidgetLayout *layout
= qobject_cast<QDockWidgetLayout*>(this->layout());
return layout->widget(QDockWidgetLayout::TitleBar);
}
/*!
Returns the widget for the dock widget. This function returns zero
if the widget has not been set.
\sa setWidget()
*/
QWidget *QDockWidget::widget() const
{
QDockWidgetLayout *layout = qobject_cast<QDockWidgetLayout*>(this->layout());
return layout->widget(QDockWidgetLayout::Content);
}