#include "kitemlistview.h"
#include "private/kitemlistkeyboardsearchmanager.h"
#include "private/kitemlistrubberband.h"
-#include "private/ktwofingerswipe.h"
-#include "private/ktwofingertap.h"
#include "views/draganddrophelper.h"
+#include <KTwoFingerSwipe>
+#include <KTwoFingerTap>
+#include <KUrlMimeData>
+
#include <QAccessible>
#include <QApplication>
#include <QDrag>
KItemListController::KItemListController(KItemModelBase* model, KItemListView* view, QObject* parent) :
QObject(parent),
m_singleClickActivationEnforced(false),
+ m_selectionMode(false),
m_selectionTogglePressed(false),
m_clearSelectionIfItemsAreNotDragged(false),
m_isSwipeGesture(false),
return m_singleClickActivationEnforced;
}
+void KItemListController::setSelectionModeEnabled(bool enabled)
+{
+ m_selectionMode = enabled;
+}
+
+bool KItemListController::selectionMode() const
+{
+ return m_selectionMode;
+}
+
bool KItemListController::keyPressEvent(QKeyEvent* event)
{
int index = m_selectionManager->currentItem();
}
case Qt::Key_Escape:
- if (m_selectionBehavior != SingleSelection) {
+ if (m_selectionMode) {
+ Q_EMIT selectionModeChangeRequested(false);
+ } else if (m_selectionBehavior != SingleSelection) {
m_selectionManager->clearSelection();
}
m_keyboardManager->cancelSearch();
return false;
}
- if (m_pressedIndex.has_value()) {
+ const QPointF pos = transform.map(event->pos());
+
+ if (m_pressedIndex.has_value() && !m_view->rubberBand()->isActive()) {
// Check whether a dragging should be started
if (event->buttons() & Qt::LeftButton) {
- const QPointF pos = transform.map(event->pos());
if ((pos - m_pressedMousePos).manhattanLength() >= QApplication::startDragDistance()) {
if (!m_selectionManager->isSelected(m_pressedIndex.value())) {
// Always assure that the dragged item gets selected. Usually this is already
KItemListWidget* oldHoveredWidget = hoveredWidget();
const QPointF pos = transform.map(event->pos());
- KItemListWidget* newHoveredWidget = widgetForPos(pos);
+ KItemListWidget* newHoveredWidget = widgetForDropPos(pos);
if (oldHoveredWidget != newHoveredWidget) {
m_autoActivationTimer->stop();
Q_EMIT aboveItemDropEvent(dropAboveIndex, event);
} else if (!event->mimeData()->hasFormat(m_model->blacklistItemDropEventMimeType())) {
// Something has been dropped on an item or on an empty part of the view.
- Q_EMIT itemDropEvent(m_view->itemAt(pos).value_or(-1), event);
+ const KItemListWidget *receivingWidget = widgetForDropPos(pos);
+ if (receivingWidget) {
+ Q_EMIT itemDropEvent(receivingWidget->index(), event);
+ } else {
+ Q_EMIT itemDropEvent(-1, event);
+ }
}
QAccessibleEvent accessibilityEvent(view(), QAccessible::DragDropEnd);
return false;
}
- KItemListWidget* oldHoveredWidget = hoveredWidget();
- const QPointF pos = transform.map(event->pos());
- KItemListWidget* newHoveredWidget = widgetForPos(pos);
+ // We identify the widget whose expansionArea had been hovered before this hoverMoveEvent() triggered.
+ // we can't use hoveredWidget() here (it handles the icon+text rect, not the expansion rect)
+ // like hoveredWidget(), we find the hovered widget for the expansion rect
+ const auto visibleItemListWidgets = m_view->visibleItemListWidgets();
+ const auto oldHoveredExpansionWidgetIterator = std::find_if(visibleItemListWidgets.begin(), visibleItemListWidgets.end(), [](auto &widget) {
+ return widget->expansionAreaHovered();
+ });
+ const auto oldHoveredExpansionWidget = oldHoveredExpansionWidgetIterator == visibleItemListWidgets.end() ?
+ std::nullopt : std::make_optional(*oldHoveredExpansionWidgetIterator);
- if (oldHoveredWidget != newHoveredWidget) {
- if (oldHoveredWidget) {
+ const auto unhoverOldHoveredWidget = [&]() {
+ if (auto oldHoveredWidget = hoveredWidget(); oldHoveredWidget) {
+ // handle the text+icon one
oldHoveredWidget->setHovered(false);
Q_EMIT itemUnhovered(oldHoveredWidget->index());
}
+ };
- if (newHoveredWidget) {
- newHoveredWidget->setHovered(true);
- const QPointF mappedPos = newHoveredWidget->mapFromItem(m_view, pos);
- newHoveredWidget->setHoverPosition(mappedPos);
- Q_EMIT itemHovered(newHoveredWidget->index());
+ const auto unhoverOldExpansionWidget = [&]() {
+ if (oldHoveredExpansionWidget) {
+ // then the expansion toggle
+ (*oldHoveredExpansionWidget)->setExpansionAreaHovered(false);
}
- } else if (oldHoveredWidget) {
- const QPointF mappedPos = oldHoveredWidget->mapFromItem(m_view, pos);
- oldHoveredWidget->setHoverPosition(mappedPos);
- }
+ };
+
+ const QPointF pos = transform.map(event->pos());
+ if (KItemListWidget *newHoveredWidget = widgetForPos(pos); newHoveredWidget) {
+ // something got hovered, work out which part and set hover for the appropriate widget
+ const auto mappedPos = newHoveredWidget->mapFromItem(m_view, pos);
+ const bool isOnExpansionToggle = newHoveredWidget->expansionToggleRect().contains(mappedPos);
+
+ if (isOnExpansionToggle) {
+ // make sure we unhover the old one first if old!=new
+ if (oldHoveredExpansionWidget && *oldHoveredExpansionWidget != newHoveredWidget) {
+ (*oldHoveredExpansionWidget)->setExpansionAreaHovered(false);
+ }
+ // we also unhover any old icon+text hovers, in case the mouse movement from icon+text to expansion toggle is too fast (i.e. newHoveredWidget is never null between the transition)
+ unhoverOldHoveredWidget();
+
+ newHoveredWidget->setExpansionAreaHovered(true);
+ } else {
+ // make sure we unhover the old one first if old!=new
+ auto oldHoveredWidget = hoveredWidget();
+ if (oldHoveredWidget && oldHoveredWidget != newHoveredWidget) {
+ oldHoveredWidget->setHovered(false);
+ Q_EMIT itemUnhovered(oldHoveredWidget->index());
+ }
+ // we also unhover any old expansion toggle hovers, in case the mouse movement from expansion toggle to icon+text is too fast (i.e. newHoveredWidget is never null between the transition)
+ unhoverOldExpansionWidget();
+
+ const bool isOverIconAndText = newHoveredWidget->iconRect().contains(mappedPos) || newHoveredWidget->textRect().contains(mappedPos);
+ const bool hasMultipleSelection = m_selectionManager->selectedItems().count() > 1;
+
+ if (hasMultipleSelection && !isOverIconAndText) {
+ // In case we have multiple selections, clicking on any row will deselect the selection.
+ // So, as a visual cue for signalling that clicking anywhere won't select, but clear current highlights,
+ // we disable hover of the *row*(i.e. blank space to the right of the icon+text)
+
+ // (no-op in this branch for masked hover)
+ } else {
+ newHoveredWidget->setHoverPosition(mappedPos);
+ if (oldHoveredWidget != newHoveredWidget) {
+ newHoveredWidget->setHovered(true);
+ Q_EMIT itemHovered(newHoveredWidget->index());
+ }
+ }
+ }
+ } else {
+ // unhover any currently hovered expansion and text+icon widgets
+ unhoverOldHoveredWidget();
+ unhoverOldExpansionWidget();
+ }
return false;
}
// been activated in case if no Shift- or Control-key are pressed
const bool shiftOrControlPressed = QApplication::keyboardModifiers() & Qt::ShiftModifier ||
QApplication::keyboardModifiers() & Qt::ControlModifier;
- if (!shiftOrControlPressed) {
+ if (!shiftOrControlPressed && !m_selectionMode) {
m_oldSelection.clear();
}
}
}
} while (!selectionFinished);
- if (QApplication::keyboardModifiers() & Qt::ControlModifier) {
+ if ((QApplication::keyboardModifiers() & Qt::ControlModifier) || m_selectionMode) {
// If Control is pressed, the selection state of all items in the rubberband is toggled.
// Therefore, the new selection contains:
// 1. All previously selected items which are not inside the rubberband, and
return;
}
- QMimeData* data = m_model->createMimeData(selectedItems);
+ QMimeData *data = m_model->createMimeData(selectedItems);
if (!data) {
return;
}
+ KUrlMimeData::exportUrlsToPortal(data);
// The created drag object will be owned and deleted
// by QApplication::activeWindow().
const auto widgets = m_view->visibleItemListWidgets();
for (KItemListWidget* widget : widgets) {
const QPointF mappedPos = widget->mapFromItem(m_view, pos);
+ if (widget->contains(mappedPos) || widget->selectionRect().contains(mappedPos)) {
+ return widget;
+ }
+ }
+
+ return nullptr;
+}
+
+KItemListWidget* KItemListController::widgetForDropPos(const QPointF& pos) const
+{
+ Q_ASSERT(m_view);
- const bool hovered = widget->contains(mappedPos) &&
- !widget->expansionToggleRect().contains(mappedPos);
- if (hovered) {
+ const auto widgets = m_view->visibleItemListWidgets();
+ for (KItemListWidget* widget : widgets) {
+ const QPointF mappedPos = widget->mapFromItem(m_view, pos);
+ if (widget->contains(mappedPos)) {
return widget;
}
}
}
const bool shiftPressed = modifiers & Qt::ShiftModifier;
- const bool controlPressed = modifiers & Qt::ControlModifier;
+ const bool controlPressed = (modifiers & Qt::ControlModifier) || m_selectionMode; // Keeping selectionMode similar to pressing control will hopefully
+ // simplify the overall logic and possibilities both for users and devs.
+ const bool leftClick = buttons & Qt::LeftButton;
+ const bool rightClick = buttons & Qt::RightButton;
// The previous selection is cleared if either
// 1. The selection mode is SingleSelection, or
const bool pressedItemAlreadySelected = m_pressedIndex.has_value() && m_selectionManager->isSelected(m_pressedIndex.value());
const bool clearSelection = m_selectionBehavior == SingleSelection ||
(!shiftOrControlPressed && !pressedItemAlreadySelected);
+
+
+ // When this method returns false, a rubberBand selection is created using KItemListController::startRubberBand via the caller.
if (clearSelection) {
+ const int selectedItemsCount = m_selectionManager->selectedItems().count();
m_selectionManager->clearSelection();
- } else if (pressedItemAlreadySelected && !shiftOrControlPressed && (buttons & Qt::LeftButton)) {
+ // clear and bail when we got an existing multi-selection
+ if (selectedItemsCount > 1 && m_pressedIndex.has_value()) {
+ const auto row = m_view->m_visibleItems.value(m_pressedIndex.value());
+ const auto mappedPos = row->mapFromItem(m_view, pos);
+ if (pressedItemAlreadySelected || row->iconRect().contains(mappedPos) || row->textRect().contains(mappedPos)) {
+ // we are indeed inside the text/icon rect, keep m_pressedIndex what it is
+ // and short-circuit for single-click activation (it will then propagate to onRelease and activate the item)
+ // or we just keep going for double-click activation
+ if (m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick) || m_singleClickActivationEnforced) {
+ if (!pressedItemAlreadySelected) {
+ // An unselected item was clicked directly while deselecting multiple other items so we select it.
+ m_selectionManager->setSelected(m_pressedIndex.value(), 1, KItemListSelectionManager::Toggle);
+ m_selectionManager->setCurrentItem(m_pressedIndex.value());
+ m_selectionManager->beginAnchoredSelection(m_pressedIndex.value());
+ }
+ return true; // event handled, don't create rubber band
+ }
+ } else {
+ // we're not inside the text/icon rect, as we've already cleared the selection
+ // we can just stop here and make sure handlers down the line (i.e. onRelease) don't activate
+ m_pressedIndex.reset();
+ // we don't stop event propagation and proceed to create a rubber band and let onRelease
+ // decide (based on m_pressedIndex) whether we're in a drag (drag => new rubber band, click => don't select the item)
+ return false;
+ }
+ }
+ } else if (pressedItemAlreadySelected && !shiftOrControlPressed && leftClick) {
// The user might want to start dragging multiple items, but if he clicks the item
// in order to trigger it instead, the other selected items must be deselected.
// However, we do not know yet what the user is going to do.
m_selectionManager->endAnchoredSelection();
}
- if (buttons & Qt::RightButton) {
+ if (rightClick) {
+
+ // Do header hit check and short circuit before commencing any state changing effects
+ if (m_view->headerBoundaries().contains(pos)) {
+ Q_EMIT headerContextMenuRequested(screenPos);
+ return true;
+ }
+
// Stop rubber band from persisting after right-clicks
KItemListRubberBand* rubberBand = m_view->rubberBand();
if (rubberBand->isActive()) {
}
if (m_pressedIndex.has_value()) {
+ // The hover highlight area of an item is being pressed.
m_selectionManager->setCurrentItem(m_pressedIndex.value());
+ const auto row = m_view->m_visibleItems.value(m_pressedIndex.value()); // anything outside of row.contains() will be the empty region of the row rect
+ const bool hitTargetIsRowEmptyRegion = !row->contains(row->mapFromItem(m_view, pos));
+ // again, when this method returns false, a rubberBand selection is created as the event is not consumed;
+ // createRubberBand here tells us whether to return true or false.
+ bool createRubberBand = (hitTargetIsRowEmptyRegion && m_selectionManager->selectedItems().isEmpty());
+
+ if (rightClick && hitTargetIsRowEmptyRegion) {
+ // We have a right click outside the icon and text rect but within the hover highlight area
+ // but it is unclear if this means that a selection rectangle for an item was clicked or the background of the view.
+ if (m_selectionManager->selectedItems().contains(m_pressedIndex.value())) {
+ // The selection rectangle for an item was clicked
+ Q_EMIT itemContextMenuRequested(m_pressedIndex.value(), screenPos);
+ } else {
+ row->setHovered(false); // Removes the hover highlight so the context menu doesn't look like it applies to the row.
+ Q_EMIT viewContextMenuRequested(screenPos);
+ }
+ return true;
+ }
switch (m_selectionBehavior) {
case NoSelection:
break;
case MultiSelection:
- if (controlPressed && !shiftPressed) {
- m_selectionManager->setSelected(m_pressedIndex.value(), 1, KItemListSelectionManager::Toggle);
- m_selectionManager->beginAnchoredSelection(m_pressedIndex.value());
+ if (controlPressed && !shiftPressed && leftClick) {
+ // A left mouse button press is happening on an item while control is pressed. This either means a user wants to:
+ // - toggle the selection of item(s) or
+ // - they want to begin a drag on the item(s) to copy them.
+ // We rule out the latter, if the item is not clicked directly and was unselected previously.
+ const auto row = m_view->m_visibleItems.value(m_pressedIndex.value());
+ const auto mappedPos = row->mapFromItem(m_view, pos);
+ if (!row->iconRect().contains(mappedPos) && !row->textRect().contains(mappedPos) && !pressedItemAlreadySelected) {
+ createRubberBand = true;
+ } else {
+ m_selectionManager->setSelected(m_pressedIndex.value(), 1, KItemListSelectionManager::Toggle);
+ m_selectionManager->beginAnchoredSelection(m_pressedIndex.value());
+ createRubberBand = false; // multi selection, don't propagate any further
+ // This will be the start of an item drag-to-copy operation if the user now moves the mouse before releasing the mouse button.
+ }
} else if (!shiftPressed || !m_selectionManager->isAnchoredSelectionActive()) {
// Select the pressed item and start a new anchored selection
m_selectionManager->setSelected(m_pressedIndex.value(), 1, KItemListSelectionManager::Select);
break;
}
- if (buttons & Qt::RightButton) {
+ if (rightClick) {
Q_EMIT itemContextMenuRequested(m_pressedIndex.value(), screenPos);
}
-
- return true;
+ return !createRubberBand;
}
- if (buttons & Qt::RightButton) {
- const QRectF headerBounds = m_view->headerBoundaries();
- if (headerBounds.contains(pos)) {
- Q_EMIT headerContextMenuRequested(screenPos);
- } else {
- Q_EMIT viewContextMenuRequested(screenPos);
- }
+ if (rightClick) {
+ // header right click handling would have been done before this so just normal context
+ // menu here is fine
+ Q_EMIT viewContextMenuRequested(screenPos);
return true;
}
const bool shiftOrControlPressed = modifiers & Qt::ShiftModifier ||
controlPressed;
+ const std::optional<int> index = m_view->itemAt(pos);
+
KItemListRubberBand* rubberBand = m_view->rubberBand();
+ bool rubberBandRelease = false;
if (rubberBand->isActive()) {
disconnect(rubberBand, &KItemListRubberBand::endPositionChanged, this, &KItemListController::slotRubberBandChanged);
rubberBand->setActive(false);
m_oldSelection.clear();
m_view->setAutoScroll(false);
+ rubberBandRelease = true;
+ // We check for actual rubber band drag here: if delta between start and end is less than drag threshold,
+ // then we have a single click on one of the rows
+ if ((rubberBand->endPosition() - rubberBand->startPosition()).manhattanLength() < QApplication::startDragDistance()) {
+ rubberBandRelease = false; // since we're only selecting, unmark rubber band release flag
+ // m_pressedIndex will have no value if we came from a multi-selection clearing onPress
+ // in that case, we don't select anything
+ if (index.has_value() && m_pressedIndex.has_value()) {
+ if (controlPressed && m_selectionBehavior == MultiSelection) {
+ m_selectionManager->setSelected(m_pressedIndex.value(), 1, KItemListSelectionManager::Toggle);
+ } else {
+ m_selectionManager->setSelected(index.value());
+ }
+ if (!m_selectionManager->isAnchoredSelectionActive()) {
+ m_selectionManager->beginAnchoredSelection(index.value());
+ }
+ }
+ }
}
- const std::optional<int> index = m_view->itemAt(pos);
-
if (index.has_value() && index == m_pressedIndex) {
// The release event is done above the same item as the press event
// The mouse click should only update the selection, not trigger the item, except when
// we are in single selection mode
emitItemActivated = false;
- } else if (!(m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick) || m_singleClickActivationEnforced)) {
- if (touch) {
- emitItemActivated = true;
+ } else {
+ const bool singleClickActivation = m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick) || m_singleClickActivationEnforced;
+ if (!singleClickActivation) {
+ emitItemActivated = touch && !m_selectionMode;
} else {
- emitItemActivated = false;
+ // activate on single click only if we didn't come from a rubber band release
+ emitItemActivated = !rubberBandRelease;
}
}
if (emitItemActivated) {
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