bool QToolBoxHelper::eventFilter(QObject *watched, QEvent *event)
{
switch (event->type()) {
case QEvent::ChildPolished:
// Install on the buttons
if (watched == m_toolbox) {
QChildEvent *ce = static_cast<QChildEvent *>(event);
if (!qstrcmp(ce->child()->metaObject()->className(), "QToolBoxButton"))
ce->child()->installEventFilter(this);
}
break;
case QEvent::ContextMenu:
if (watched != m_toolbox) {
// An action invoked from the passive interactor (ToolBox button) might
// cause its deletion within its event handler, triggering a warning. Re-post
// the event to the toolbox.
QContextMenuEvent *current = static_cast<QContextMenuEvent *>(event);
QContextMenuEvent *copy = new QContextMenuEvent(current->reason(), current->pos(), current-> globalPos(), current->modifiers());
QApplication::postEvent(m_toolbox, copy);
current->accept();
return true;
}
break;
case QEvent::MouseButtonRelease:
if (watched != m_toolbox)
if (QDesignerFormWindowInterface *fw = QDesignerFormWindowInterface::findFormWindow(m_toolbox)) {
fw->clearSelection();
fw->selectWidget(m_toolbox, true);
}
break;
default:
break;
}
return QObject::eventFilter(watched, event);
}
bool StayPoppedUpComboBox::eventFilter(QObject* o, QEvent* e)
{
// The combo box has installed an event filter on the view.
// If it catches a valid mouse button release there, it will hide the popup.
// Here we prevent this by eating the event ourselves,
// and then dispatching it to its destination.
if (o == m_view || o == m_view->viewport())
{
switch (e->type())
{
case QEvent::MouseButtonRelease:
{
QMouseEvent* m = static_cast<QMouseEvent*>(e);
if (m_view->isVisible() && m_view->rect().contains(m->pos()))
{
if (o == m_view)
{
o->event(e);
}
else
// Viewport: Calling event() does not work, viewportEvent() is needed.
// This is the event that gets redirected to the QTreeView finally!
{
sendViewportEventToView(e);
}
// we have dispatched the event privately; we filter it out from the main dispatching
return true;
}
break;
}
case QEvent::ContextMenu:
{
if (o != m_view)
{
// for whatever reason, the position of the event is slightly wrong
QContextMenuEvent* m = static_cast<QContextMenuEvent*>(e);
QPoint correctPos = m_view->viewport()->mapFromGlobal(m->globalPos());
QContextMenuEvent corrected(m->reason(), correctPos, m->globalPos(), m->modifiers());
sendViewportEventToView(&corrected);
return true;
}
break;
}
default:
break;
}
}
return QComboBox::eventFilter(o, e);
}