+void KItemListView::slotRubberBandPosChanged()
+{
+ update();
+}
+
+void KItemListView::slotRubberBandActivationChanged(bool active)
+{
+ if (active) {
+ connect(m_rubberBand, &KItemListRubberBand::startPositionChanged, this, &KItemListView::slotRubberBandPosChanged);
+ connect(m_rubberBand, &KItemListRubberBand::endPositionChanged, this, &KItemListView::slotRubberBandPosChanged);
+ m_skipAutoScrollForRubberBand = true;
+ } else {
+ disconnect(m_rubberBand, &KItemListRubberBand::startPositionChanged, this, &KItemListView::slotRubberBandPosChanged);
+ disconnect(m_rubberBand, &KItemListRubberBand::endPositionChanged, this, &KItemListView::slotRubberBandPosChanged);
+ m_skipAutoScrollForRubberBand = false;
+ }
+
+ update();
+}
+
+void KItemListView::slotHeaderColumnWidthChanged(const QByteArray& role,
+ qreal currentWidth,
+ qreal previousWidth)
+{
+ Q_UNUSED(role);
+ Q_UNUSED(currentWidth);
+ Q_UNUSED(previousWidth);
+
+ m_headerWidget->setAutomaticColumnResizing(false);
+ applyColumnWidthsFromHeader();
+ doLayout(NoAnimation);
+}
+
+void KItemListView::slotHeaderColumnMoved(const QByteArray& role,
+ int currentIndex,
+ int previousIndex)
+{
+ Q_ASSERT(m_visibleRoles[previousIndex] == role);
+
+ const QList<QByteArray> previous = m_visibleRoles;
+
+ QList<QByteArray> current = m_visibleRoles;
+ current.removeAt(previousIndex);
+ current.insert(currentIndex, role);
+
+ setVisibleRoles(current);
+
+ emit visibleRolesChanged(current, previous);
+}
+
+void KItemListView::triggerAutoScrolling()
+{
+ if (!m_autoScrollTimer) {
+ return;
+ }
+
+ int pos = 0;
+ int visibleSize = 0;
+ if (scrollOrientation() == Qt::Vertical) {
+ pos = m_mousePos.y();
+ visibleSize = size().height();
+ } else {
+ pos = m_mousePos.x();
+ visibleSize = size().width();
+ }
+
+ if (m_autoScrollTimer->interval() == InitialAutoScrollDelay) {
+ m_autoScrollIncrement = 0;
+ }
+
+ m_autoScrollIncrement = calculateAutoScrollingIncrement(pos, visibleSize, m_autoScrollIncrement);
+ if (m_autoScrollIncrement == 0) {
+ // The mouse position is not above an autoscroll margin (the autoscroll timer
+ // will be restarted in mouseMoveEvent())
+ m_autoScrollTimer->stop();
+ return;
+ }
+
+ if (m_rubberBand->isActive() && m_skipAutoScrollForRubberBand) {
+ // If a rubberband selection is ongoing the autoscrolling may only get triggered
+ // if the direction of the rubberband is similar to the autoscroll direction. This
+ // prevents that starting to create a rubberband within the autoscroll margins starts
+ // an autoscrolling.
+
+ const qreal minDiff = 4; // Ignore any autoscrolling if the rubberband is very small
+ const qreal diff = (scrollOrientation() == Qt::Vertical)
+ ? m_rubberBand->endPosition().y() - m_rubberBand->startPosition().y()
+ : m_rubberBand->endPosition().x() - m_rubberBand->startPosition().x();
+ if (qAbs(diff) < minDiff || (m_autoScrollIncrement < 0 && diff > 0) || (m_autoScrollIncrement > 0 && diff < 0)) {
+ // The rubberband direction is different from the scroll direction (e.g. the rubberband has
+ // been moved up although the autoscroll direction might be down)
+ m_autoScrollTimer->stop();
+ return;
+ }
+ }
+
+ // As soon as the autoscrolling has been triggered at least once despite having an active rubberband,
+ // the autoscrolling may not get skipped anymore until a new rubberband is created
+ m_skipAutoScrollForRubberBand = false;
+
+ const qreal maxVisibleOffset = qMax(qreal(0), maximumScrollOffset() - visibleSize);
+ const qreal newScrollOffset = qMin(scrollOffset() + m_autoScrollIncrement, maxVisibleOffset);
+ setScrollOffset(newScrollOffset);
+
+ // Trigger the autoscroll timer which will periodically call
+ // triggerAutoScrolling()
+ m_autoScrollTimer->start(RepeatingAutoScrollDelay);
+}
+
+void KItemListView::slotGeometryOfGroupHeaderParentChanged()
+{
+ KItemListWidget* widget = qobject_cast<KItemListWidget*>(sender());
+ Q_ASSERT(widget);
+ KItemListGroupHeader* groupHeader = m_visibleGroups.value(widget);
+ Q_ASSERT(groupHeader);
+ updateGroupHeaderLayout(widget);
+}
+
+void KItemListView::slotRoleEditingCanceled(int index, const QByteArray& role, const QVariant& value)
+{
+ disconnectRoleEditingSignals(index);
+
+ emit roleEditingCanceled(index, role, value);
+ m_editingRole = false;
+}
+
+void KItemListView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
+{
+ disconnectRoleEditingSignals(index);
+
+ emit roleEditingFinished(index, role, value);
+ m_editingRole = false;
+}
+
+void KItemListView::setController(KItemListController* controller)
projects / dolphin.git / blobdiff