void NotificationScrollArea::findPreviousWidget()
{
int value = 0;
GenericChatroomWidget* next = nullptr;
QHash<GenericChatroomWidget*, Visibility>::iterator i = trackedWidgets.begin();
// Find the first next, to avoid nullptr.
for (; i != trackedWidgets.end(); ++i)
{
if (i.value() == Above)
{
next = i.key();
value = next->mapTo(viewport(), QPoint()).y();
break;
}
}
// Try finding a closer one.
for (; i != trackedWidgets.end(); ++i)
{
if (i.value() == Above)
{
int y = i.key()->mapTo(viewport(), QPoint()).y();
if (y > value)
{
next = i.key();
value = y;
}
}
}
if (next != nullptr)
ensureWidgetVisible(next, 0, referencesAbove != 1 ? topEdge->height() : 0);
}
/*!
\reimp
*/
bool QScrollArea::focusNextPrevChild(bool next)
{
if (QWidget::focusNextPrevChild(next)) {
if (QWidget *fw = focusWidget())
ensureWidgetVisible(fw);
return true;
}
return false;
}
void ImagesList::keyPressEvent(QKeyEvent* e)
{
#ifndef QT_NO_DEBUG
// qDebug("ImagesList::keyPressEvent()");
#endif
switch (e->key()) {
case Qt::Key_Up:
if (current>0) {
current--;
ensureWidgetVisible(images_l[current],0,0);
emit selected(current);
}
e->accept();
break;
case Qt::Key_Down:
if (current<(images_l.size()-1)) {
current++;
ensureWidgetVisible(images_l[current],0,0);
emit selected(current);
}
e->accept();
break;
/*
case Qt::Key_Home:
e->accept();
current= (images_l.size()) ? 0 : -1;
emit selected(current);
break;
case Qt::Key_End:
e->accept();
current=images_l.size()-1;
emit selected(current);
break;
*/
case Qt::Key_Escape:
QScrollArea::keyPressEvent(e);
break;
default:
e->ignore();
}
}
/*!
\reimp
*/
bool QScrollArea::eventFilter(QObject *o, QEvent *e)
{
Q_D(QScrollArea);
#ifdef QT_KEYPAD_NAVIGATION
if (d->widget && o != d->widget && e->type() == QEvent::FocusIn
&& QApplication::keypadNavigationEnabled()) {
if (o->isWidgetType())
ensureWidgetVisible(static_cast<QWidget *>(o));
}
#endif
if (o == d->widget && e->type() == QEvent::Resize)
d->updateScrollBars();
return QAbstractScrollArea::eventFilter(o, e);
}
