bool UIPopupStack::eventFilter(QObject *pWatched, QEvent *pEvent)
{
/* Call to base-class if that is not parent event: */
if (!parent() || pWatched != parent())
return QWidget::eventFilter(pWatched, pEvent);
/* Handle parent geometry events: */
switch (pEvent->type())
{
case QEvent::Resize:
{
/* Propagate width: */
propagateWidth();
/* Adjust geometry: */
sltAdjustGeometry();
break;
}
case QEvent::Move:
{
/* Adjust geometry: */
sltAdjustGeometry();
break;
}
}
/* Call to base-class: */
return QWidget::eventFilter(pWatched, pEvent);
}
void UIPopupStack::showEvent(QShowEvent*)
{
/* Propagate width: */
propagateWidth();
/* Adjust geometry: */
sltAdjustGeometry();
}
void UIPopupStack::setOrientation(UIPopupStackOrientation orientation)
{
/* Make sure orientation has changed: */
if (m_orientation == orientation)
return;
/* Update orientation: */
m_orientation = orientation;
sltAdjustGeometry();
}
void UIPopupStack::prepareContent()
{
/* Create main-layout: */
m_pMainLayout = new QVBoxLayout(this);
{
/* Configure main-layout: */
m_pMainLayout->setContentsMargins(0, 0, 0, 0);
/* Create scroll-area: */
m_pScrollArea = new QScrollArea;
{
/* Configure scroll-area: */
m_pScrollArea->setCursor(Qt::ArrowCursor);
m_pScrollArea->setWidgetResizable(true);
m_pScrollArea->setFrameStyle(QFrame::NoFrame | QFrame::Plain);
m_pScrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
//m_pScrollArea->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
QPalette pal = m_pScrollArea->palette();
pal.setColor(QPalette::Window, QColor(Qt::transparent));
m_pScrollArea->setPalette(pal);
/* Create scroll-viewport: */
m_pScrollViewport = new UIPopupStackViewport;
{
/* Configure scroll-viewport: */
m_pScrollViewport->setCursor(Qt::ArrowCursor);
/* Connect scroll-viewport: */
connect(this, SIGNAL(sigProposeStackViewportWidth(int)),
m_pScrollViewport, SLOT(sltHandleProposalForWidth(int)));
connect(m_pScrollViewport, SIGNAL(sigSizeHintChanged()),
this, SLOT(sltAdjustGeometry()));
connect(m_pScrollViewport, SIGNAL(sigPopupPaneDone(QString, int)),
this, SIGNAL(sigPopupPaneDone(QString, int)));
connect(m_pScrollViewport, SIGNAL(sigPopupPaneRemoved(QString)),
this, SLOT(sltPopupPaneRemoved(QString)));
connect(m_pScrollViewport, SIGNAL(sigPopupPanesRemoved()),
this, SLOT(sltPopupPanesRemoved()));
}
/* Assign scroll-viewport to scroll-area: */
m_pScrollArea->setWidget(m_pScrollViewport);
}
/* Add scroll-area to layout: */
m_pMainLayout->addWidget(m_pScrollArea);
}
}
void UIPopupStackViewport::sltPopupPaneDone(int iResultCode)
{
/* Make sure the sender is the popup-pane: */
UIPopupPane *pPopupPane = qobject_cast<UIPopupPane*>(sender());
if (!pPopupPane)
{
AssertMsgFailed(("Should be called by popup-pane only!"));
return;
}
/* Make sure the popup-pane still exists: */
const QString strPopupPaneID(m_panes.key(pPopupPane, QString()));
if (strPopupPaneID.isNull())
{
AssertMsgFailed(("Popup-pane already destroyed!"));
return;
}
/* Notify listeners about popup-pane removal: */
emit sigPopupPaneDone(strPopupPaneID, iResultCode);
/* Delete popup-pane asyncronously.
* To avoid issues with events which already posted: */
m_panes.remove(strPopupPaneID);
pPopupPane->deleteLater();
/* Notify listeners about popup-pane removed: */
emit sigPopupPaneRemoved(strPopupPaneID);
/* Adjust geometry: */
sltAdjustGeometry();
/* Make sure this stack still contains popup-panes: */
if (!m_panes.isEmpty())
return;
/* Notify listeners about popup-stack: */
emit sigPopupPanesRemoved();
}
void UIPopupStackViewport::createPopupPane(const QString &strPopupPaneID,
const QString &strMessage, const QString &strDetails,
const QMap<int, QString> &buttonDescriptions)
{
/* Make sure there is no such popup-pane already: */
if (m_panes.contains(strPopupPaneID))
{
AssertMsgFailed(("Popup-pane already exists!"));
return;
}
/* Create new popup-pane: */
UIPopupPane *pPopupPane = m_panes[strPopupPaneID] = new UIPopupPane(this,
strMessage, strDetails,
buttonDescriptions);
/* Attach popup-pane connection: */
connect(this, SIGNAL(sigProposePopupPaneWidth(int)), pPopupPane, SLOT(sltHandleProposalForWidth(int)));
connect(pPopupPane, SIGNAL(sigSizeHintChanged()), this, SLOT(sltAdjustGeometry()));
connect(pPopupPane, SIGNAL(sigDone(int)), this, SLOT(sltPopupPaneDone(int)));
/* Show popup-pane: */
pPopupPane->show();
}
