#ifndef KITEMLISTCONTROLLER_H
#define KITEMLISTCONTROLLER_H
-#include <libdolphin_export.h>
+#include "dolphin_export.h"
+
+#include "kitemset.h"
#include <QObject>
-#include <QPixmap>
#include <QPointF>
-#include <QSet>
-
+class QTimer;
class KItemModelBase;
class KItemListKeyboardSearchManager;
class KItemListSelectionManager;
class QHideEvent;
class QInputMethodEvent;
class QKeyEvent;
-class QMimeData;
class QShowEvent;
class QTransform;
* @see KItemModelBase
* @see KItemListSelectionManager
*/
-class LIBDOLPHINPRIVATE_EXPORT KItemListController : public QObject
+class DOLPHIN_EXPORT KItemListController : public QObject
{
Q_OBJECT
Q_ENUMS(SelectionBehavior)
Q_PROPERTY(KItemModelBase* model READ model WRITE setModel)
Q_PROPERTY(KItemListView *view READ view WRITE setView)
Q_PROPERTY(SelectionBehavior selectionBehavior READ selectionBehavior WRITE setSelectionBehavior)
+ Q_PROPERTY(AutoActivationBehavior autoActivationBehavior READ autoActivationBehavior WRITE setAutoActivationBehavior)
+ Q_PROPERTY(MouseDoubleClickAction mouseDoubleClickAction READ mouseDoubleClickAction WRITE setMouseDoubleClickAction)
public:
enum SelectionBehavior {
MultiSelection
};
- KItemListController(QObject* parent = 0);
+ enum AutoActivationBehavior {
+ ActivationAndExpansion,
+ ExpansionOnly
+ };
+
+ enum MouseDoubleClickAction {
+ ActivateAndExpandItem,
+ ActivateItemOnly
+ };
+
+ /**
+ * @param model Model of the controller. The ownership is passed to the controller.
+ * @param view View of the controller. The ownership is passed to the controller.
+ * @param parent Optional parent object.
+ */
+ KItemListController(KItemModelBase* model, KItemListView* view, QObject* parent = 0);
virtual ~KItemListController();
void setModel(KItemModelBase* model);
void setSelectionBehavior(SelectionBehavior behavior);
SelectionBehavior selectionBehavior() const;
+ void setAutoActivationBehavior(AutoActivationBehavior behavior);
+ AutoActivationBehavior autoActivationBehavior() const;
+
+ void setMouseDoubleClickAction(MouseDoubleClickAction action);
+ MouseDoubleClickAction mouseDoubleClickAction() const;
+
/**
* Sets the delay in milliseconds when dragging an object above an item
* until the item gets activated automatically. A value of -1 indicates
void setAutoActivationDelay(int delay);
int autoActivationDelay() const;
+ /**
+ * If set to true, the signals itemActivated() and itemsActivated() are emitted
+ * after a single-click of the left mouse button. If set to false (the default),
+ * the setting from style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick) is used.
+ */
+ void setSingleClickActivationEnforced(bool singleClick);
+ bool singleClickActivationEnforced() const;
+
virtual bool showEvent(QShowEvent* event);
virtual bool hideEvent(QHideEvent* event);
virtual bool keyPressEvent(QKeyEvent* event);
* Is emitted if more than one item has been activated by pressing Return/Enter
* when having a selection.
*/
- void itemsActivated(const QSet<int>& indexes);
+ void itemsActivated(const KItemSet& indexes);
void itemMiddleClicked(int index);
/**
* Is emitted if a mouse-button has been pressed above an item.
+ * If the index is smaller than 0, the mouse-button has been pressed
+ * above the viewport.
*/
- void itemPressed(int index, Qt::MouseButton button);
+ void mouseButtonPressed(int itemIndex, Qt::MouseButtons buttons);
/**
* Is emitted if a mouse-button has been released above an item.
- * It is assured that the signal itemPressed() has been emitted before.
+ * It is assured that the signal mouseButtonPressed() has been emitted before.
+ * If the index is smaller than 0, the mouse-button has been pressed
+ * above the viewport.
*/
- void itemReleased(int index, Qt::MouseButton button);
+ void mouseButtonReleased(int itemIndex, Qt::MouseButtons buttons);
void itemExpansionToggleClicked(int index);
* Is emitted if a drop event is done above the item with the index
* \a index. If \a index is < 0 the drop event is done above an
* empty area of the view.
+ * TODO: Introduce a new signal viewDropEvent(QGraphicsSceneDragDropEvent),
+ * which is emitted if the drop event occurs on an empty area in
+ * the view, and make sure that index is always >= 0 in itemDropEvent().
*/
void itemDropEvent(int index, QGraphicsSceneDragDropEvent* event);
+ /**
+ * Is emitted if a drop event is done between the item with the index
+ * \a index and the previous item.
+ */
+ void aboveItemDropEvent(int index, QGraphicsSceneDragDropEvent* event);
+
+ /**
+ * Is emitted if the Escape key is pressed.
+ */
+ void escapePressed();
+
void modelChanged(KItemModelBase* current, KItemModelBase* previous);
void viewChanged(KItemListView* current, KItemListView* previous);
void updateKeyboardAnchor();
/**
- * @return Index for the next row based on the current index.
- * If there is no next row the current index will be returned.
+ * @return Index for the next row based on \a index.
+ * If there is no next row \a index will be returned.
*/
- int nextRowIndex() const;
+ int nextRowIndex(int index) const;
/**
- * @return Index for the previous row based on the current index.
- * If there is no previous row the current index will be returned.
+ * @return Index for the previous row based on \a index.
+ * If there is no previous row \a index will be returned.
*/
- int previousRowIndex() const;
+ int previousRowIndex(int index) const;
/**
* Helper method for updateKeyboardAnchor(), previousRowIndex() and nextRowIndex().
*/
qreal keyboardAnchorPos(int index) const;
+ /**
+ * Dependent on the selection-behavior the extendedSelectionRegion-property
+ * of the KItemListStyleOption from the view should be adjusted: If no
+ * rubberband selection is used the property should be enabled.
+ */
+ void updateExtendedSelectionRegion();
+
private:
+ bool m_singleClickActivationEnforced;
bool m_selectionTogglePressed;
+ bool m_clearSelectionIfItemsAreNotDragged;
SelectionBehavior m_selectionBehavior;
+ AutoActivationBehavior m_autoActivationBehavior;
+ MouseDoubleClickAction m_mouseDoubleClickAction;
KItemModelBase* m_model;
KItemListView* m_view;
KItemListSelectionManager* m_selectionManager;
* the current selection it is remembered in m_oldSelection before the
* rubberband gets activated.
*/
- QSet<int> m_oldSelection;
+ KItemSet m_oldSelection;
/**
* Assuming a view is given with a vertical scroll-orientation, grouped items and