bool KItemListController::keyPressEvent(QKeyEvent* event)
{
- Q_UNUSED(event);
- return false;
+ const bool shiftPressed = event->modifiers() & Qt::ShiftModifier;
+ const bool controlPressed = event->modifiers() & Qt::ControlModifier;
+ const bool shiftOrControlPressed = shiftPressed || controlPressed;
+
+ int index = m_selectionManager->currentItem();
+
+ switch (event->key()) {
+ case Qt::Key_Home:
+ index = 0;
+ break;
+
+ case Qt::Key_End:
+ index = m_model->count() - 1;
+ break;
+
+ case Qt::Key_Up:
+ if (m_view->scrollOrientation() == Qt::Horizontal) {
+ if (index > 0) {
+ index--;
+ }
+ }
+ else {
+ // TODO: Move to the previous row
+ }
+ break;
+
+ case Qt::Key_Down:
+ if (m_view->scrollOrientation() == Qt::Horizontal) {
+ if (index < m_model->count() - 1) {
+ index++;
+ }
+ }
+ else {
+ // TODO: Move to the next row
+ }
+ break;
+
+ case Qt::Key_Left:
+ if (m_view->scrollOrientation() == Qt::Vertical) {
+ if (index > 0) {
+ index--;
+ }
+ }
+ else {
+ // TODO: Move to the previous column
+ }
+ break;
+
+ case Qt::Key_Right:
+ if (m_view->scrollOrientation() == Qt::Vertical) {
+ if (index < m_model->count() - 1) {
+ index++;
+ }
+ }
+ else {
+ // TODO: Move to the next column
+ }
+ break;
+
+ case Qt::Key_Space:
+ if (controlPressed) {
+ m_selectionManager->endAnchoredSelection();
+ m_selectionManager->setSelected(index, 1, KItemListSelectionManager::Toggle);
+ m_selectionManager->beginAnchoredSelection(index);
+ }
+ default:
+ break;
+ }
+
+ if (m_selectionManager->currentItem() != index) {
+ if (controlPressed) {
+ m_selectionManager->endAnchoredSelection();
+ }
+
+ m_selectionManager->setCurrentItem(index);
+
+ if (!shiftOrControlPressed || m_selectionBehavior == SingleSelection) {
+ m_selectionManager->clearSelection();
+ m_selectionManager->setSelected(index, 1);
+ }
+
+ if (!shiftPressed) {
+ m_selectionManager->beginAnchoredSelection(index);
+ }
+ }
+ return true;
}
bool KItemListController::inputMethodEvent(QInputMethodEvent* event)
bool KItemListController::mousePressEvent(QGraphicsSceneMouseEvent* event, const QTransform& transform)
{
- Q_UNUSED(event);
- Q_UNUSED(transform);
const QPointF pos = transform.map(event->pos());
m_pressedIndex = m_view->itemAt(pos);
+
+ if (m_view->isAboveExpansionToggle(m_pressedIndex, pos)) {
+ return true;
+ }
+
+ const bool shiftPressed = event->modifiers() & Qt::ShiftModifier;
+ const bool controlPressed = event->modifiers() & Qt::ControlModifier;
+ const bool shiftOrControlPressed = shiftPressed || controlPressed;
+
+ if (!shiftOrControlPressed || m_selectionBehavior == SingleSelection) {
+ m_selectionManager->clearSelection();
+ }
+
+ if (!shiftPressed) {
+ // Finish the anchored selection before the current index is changed
+ m_selectionManager->endAnchoredSelection();
+ }
+
+ if (m_pressedIndex >= 0) {
+ m_selectionManager->setCurrentItem(m_pressedIndex);
+
+ switch (m_selectionBehavior) {
+ case NoSelection:
+ return true;
+ case SingleSelection:
+ m_selectionManager->setSelected(m_pressedIndex);
+ return true;
+ case MultiSelection:
+ if (controlPressed) {
+ m_selectionManager->setSelected(m_pressedIndex, 1, KItemListSelectionManager::Toggle);
+ m_selectionManager->beginAnchoredSelection(m_pressedIndex);
+ }
+ else {
+ if (shiftPressed && m_selectionManager->isAnchoredSelectionActive()) {
+ // The anchored selection is continued automatically by calling
+ // m_selectionManager->setCurrentItem(m_pressedIndex), see above -> nothing more to do here
+ return true;
+ }
+
+ // Select the pressed item and start a new anchored selection
+ m_selectionManager->setSelected(m_pressedIndex, 1, KItemListSelectionManager::Select);
+ m_selectionManager->beginAnchoredSelection(m_pressedIndex);
+ }
+ }
+
+ return true;
+ }
+
return false;
}
if (m_view) {
const QPointF pos = transform.map(event->pos());
const int index = m_view->itemAt(pos);
+ const bool shiftOrControlPressed = event->modifiers() & Qt::ShiftModifier || event->modifiers() & Qt::ControlModifier;
+
if (index >= 0 && index == m_pressedIndex) {
+ // The release event is done above the same item as the press event
bool emitItemClicked = true;
if (event->button() & Qt::LeftButton) {
if (m_view->isAboveExpansionToggle(index, pos)) {
emit itemExpansionToggleClicked(index);
emitItemClicked = false;
}
+ else if (shiftOrControlPressed) {
+ // The mouse click should only update the selection, not trigger the item
+ emitItemClicked = false;
+ }
}
if (emitItemClicked) {
emit itemClicked(index, event->button());
}
+ } else if (!shiftOrControlPressed) {
+ m_selectionManager->clearSelection();
}
}
bool KItemListController::hoverMoveEvent(QGraphicsSceneHoverEvent* event, const QTransform& transform)
{
- Q_UNUSED(event);
+ // The implementation assumes that only one item can get hovered no matter
+ // whether they overlap or not.
+
Q_UNUSED(transform);
+ if (!m_model || !m_view) {
+ return false;
+ }
+
+ // Search the previously hovered item that might get unhovered
+ KItemListWidget* unhoveredWidget = 0;
+ foreach (KItemListWidget* widget, m_view->visibleItemListWidgets()) {
+ if (widget->isHovered()) {
+ unhoveredWidget = widget;
+ break;
+ }
+ }
+
+ // Search the currently hovered item
+ KItemListWidget* hoveredWidget = 0;
+ foreach (KItemListWidget* widget, m_view->visibleItemListWidgets()) {
+ const QPointF mappedPos = widget->mapFromItem(m_view, event->pos());
+
+ const bool hovered = widget->contains(mappedPos) &&
+ !widget->expansionToggleRect().contains(mappedPos) &&
+ !widget->selectionToggleRect().contains(mappedPos);
+ if (hovered) {
+ hoveredWidget = widget;
+ break;
+ }
+ }
+
+ if (unhoveredWidget != hoveredWidget) {
+ if (unhoveredWidget) {
+ unhoveredWidget->setHovered(false);
+ emit itemUnhovered(unhoveredWidget->index());
+ }
+
+ if (hoveredWidget) {
+ hoveredWidget->setHovered(true);
+ emit itemHovered(hoveredWidget->index());
+ }
+ }
+
return false;
}
{
Q_UNUSED(event);
Q_UNUSED(transform);
+
+ if (!m_model || !m_view) {
+ return false;
+ }
+
+ foreach (KItemListWidget* widget, m_view->visibleItemListWidgets()) {
+ if (widget->isHovered()) {
+ widget->setHovered(false);
+ emit itemUnhovered(widget->index());
+ }
+ }
return false;
}
}
switch (event->type()) {
-// case QEvent::FocusIn:
-// case QEvent::FocusOut:
-// return focusEvent(static_cast<QFocusEvent*>(event));
case QEvent::KeyPress:
return keyPressEvent(static_cast<QKeyEvent*>(event));
case QEvent::InputMethod:
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