/*! \reimp */
void QDockWidget::changeEvent(QEvent *event)
{
Q_D(QDockWidget);
QDockWidgetLayout *layout = qobject_cast<QDockWidgetLayout*>(this->layout());
switch (event->type()) {
case QEvent::ModifiedChange:
case QEvent::WindowTitleChange:
update(layout->titleArea());
#ifndef QT_NO_ACTION
d->fixedWindowTitle = qt_setWindowTitle_helperHelper(windowTitle(), this);
d->toggleViewAction->setText(d->fixedWindowTitle);
#endif
#ifndef QT_NO_TABBAR
{
QMainWindow *win = qobject_cast<QMainWindow*>(parentWidget());
if (QMainWindowLayout *winLayout = qt_mainwindow_layout(win)) {
if (QDockAreaLayoutInfo *info = winLayout->layoutState.dockAreaLayout.info(this))
info->updateTabBar();
}
}
#endif // QT_NO_TABBAR
break;
default:
break;
}
QWidget::changeEvent(event);
}
bool QDockWidgetPrivate::mousePressEvent(QMouseEvent *event)
{
#if !defined(QT_NO_MAINWINDOW)
Q_Q(QDockWidget);
QDockWidgetLayout *dwLayout
= qobject_cast<QDockWidgetLayout*>(layout);
if (!dwLayout->nativeWindowDeco()) {
QRect titleArea = dwLayout->titleArea();
if (event->button() != Qt::LeftButton ||
!titleArea.contains(event->pos()) ||
// check if the tool window is movable... do nothing if it
// is not (but allow moving if the window is floating)
(!hasFeature(this, QDockWidget::DockWidgetMovable) && !q->isFloating()) ||
qobject_cast<QMainWindow*>(parent) == 0 ||
isAnimating() || state != 0) {
return false;
}
initDrag(event->pos(), false);
if (state)
state->ctrlDrag = hasFeature(this, QDockWidget::DockWidgetFloatable) && event->modifiers() & Qt::ControlModifier;
return true;
}
#endif // !defined(QT_NO_MAINWINDOW)
return false;
}
void QDockWidgetPrivate::initDrag(const QPoint &pos, bool nca)
{
if (state != 0)
return;
Q_Q(QDockWidget);
QMainWindow *win = qobject_cast<QMainWindow*>(parent);
Q_ASSERT(win != 0);
QMainWindowLayout *layout = qt_mainwindow_layout(win);
Q_ASSERT(layout != 0);
if (layout->pluggingWidget != 0) // the main window is animating a docking operation
return;
state = new QDockWidgetPrivate::DragState;
state->dragging = false;
state->widgetItem = 0;
state->ownWidgetItem = false;
state->nca = nca;
state->ctrlDrag = false;
if (!q->isFloating()) {
// When dragging the widget out of the docking area,
// use the middle of title area as pressPos
QDockWidgetLayout *dwlayout = qobject_cast<QDockWidgetLayout*>(q->layout());
Q_ASSERT(dwlayout != 0);
int width = undockedGeometry.isNull() ? q->width() : undockedGeometry.width();
state->pressPos.setY(dwlayout->titleArea().height() / 2);
state->pressPos.setX(width / 2);
} else {
state->pressPos = pos;
}
}
bool QDockWidgetPrivate::mouseDoubleClickEvent(QMouseEvent *event)
{
QDockWidgetLayout *dwLayout = qobject_cast<QDockWidgetLayout*>(layout);
if (!dwLayout->nativeWindowDeco()) {
QRect titleArea = dwLayout->titleArea();
if (event->button() == Qt::LeftButton && titleArea.contains(event->pos()) &&
hasFeature(this, QDockWidget::DockWidgetFloatable)) {
_q_toggleTopLevel();
return true;
}
}
return false;
}
void QDockWidgetPrivate::mouseDoubleClickEvent(QMouseEvent *event)
{
Q_Q(QDockWidget);
QDockWidgetLayout *layout = qobject_cast<QDockWidgetLayout*>(q->layout());
if (!layout->nativeWindowDeco()) {
QRect titleArea = layout->titleArea();
if (event->button() != Qt::LeftButton)
return;
if (!titleArea.contains(event->pos()))
return;
if (!::hasFeature(q, QDockWidget::DockWidgetFloatable))
return;
_q_toggleTopLevel();
}
}
/*!
\property QDockWidget::floating
\brief whether the dock widget is floating
A floating dock widget is presented to the user as an independent
window "on top" of its parent QMainWindow, instead of being
docked in the QMainWindow.
\sa isWindow()
*/
void QDockWidget::setFloating(bool floating)
{
Q_D(QDockWidget);
// the initial click of a double-click may have started a drag...
if (d->state != 0)
d->endDrag(true);
QRect r = d->undockedGeometry;
if (floating && r.isNull()) {
QDockWidgetLayout *layout = qobject_cast<QDockWidgetLayout*>(this->layout());
QRect titleArea = layout->titleArea();
int h = layout->verticalTitleBar ? titleArea.width() : titleArea.height();
QPoint p = mapToGlobal(QPoint(h, h));
r = QRect(p, size());
}
d->setWindowState(floating, false, floating ? r : QRect());
}
/*!
Initialize \a option with the values from this QDockWidget. This method
is useful for subclasses when they need a QStyleOptionDockWidget, but don't want
to fill in all the information themselves.
\sa QStyleOption::initFrom()
*/
void QDockWidget::initStyleOption(QStyleOptionDockWidget *option) const
{
Q_D(const QDockWidget);
if (!option)
return;
QDockWidgetLayout *dwlayout = qobject_cast<QDockWidgetLayout*>(layout());
option->initFrom(this);
option->rect = dwlayout->titleArea();
option->title = d->fixedWindowTitle;
option->closable = hasFeature(this, QDockWidget::DockWidgetClosable);
option->movable = hasFeature(this, QDockWidget::DockWidgetMovable);
option->floatable = hasFeature(this, QDockWidget::DockWidgetFloatable);
QDockWidgetLayout *l = qobject_cast<QDockWidgetLayout*>(layout());
QStyleOptionDockWidgetV2 *v2
= qstyleoption_cast<QStyleOptionDockWidgetV2*>(option);
if (v2 != 0)
v2->verticalTitleBar = l->verticalTitleBar;
}
void QDockWidgetPrivate::mousePressEvent(QMouseEvent *event)
{
#if !defined(QT_NO_MAINWINDOW)
Q_Q(QDockWidget);
QDockWidgetLayout *layout
= qobject_cast<QDockWidgetLayout*>(q->layout());
if (!layout->nativeWindowDeco()) {
QRect titleArea = layout->titleArea();
if (event->button() != Qt::LeftButton)
return;
if (!titleArea.contains(event->pos()))
return;
// check if the tool window is movable... do nothing if it is not
if (!::hasFeature(q, QDockWidget::DockWidgetMovable))
return;
if (qobject_cast<QMainWindow*>(q->parentWidget()) == 0)
return;
if (isAnimating())
return;
if (state != 0)
return;
initDrag(event->pos(), false);
if (state == 0)
return;
state->ctrlDrag = event->modifiers() & Qt::ControlModifier;
}
#endif // !defined(QT_NO_MAINWINDOW)
}