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[dolphin.git] / src / kitemviews / kitemlistcontroller.h

diff --git a/src/kitemviews/kitemlistcontroller.h b/src/kitemviews/kitemlistcontroller.h
index b8de195eb62eded031c4eb5f51d21572732eb3fe..3de5edece9e79913abad5a18e4b85f09557ad65a 100644 (file)
--- a/src/kitemviews/kitemlistcontroller.h
+++ b/src/kitemviews/kitemlistcontroller.h
@@ -23,13 +23,13 @@
 #ifndef KITEMLISTCONTROLLER_H
 #define KITEMLISTCONTROLLER_H
 
 #ifndef KITEMLISTCONTROLLER_H
 #define KITEMLISTCONTROLLER_H
 

-#include <libdolphin_export.h>
+#include "dolphin_export.h"
+
+#include "kitemset.h"

 
 #include <QObject>
 
 #include <QObject>

-#include <QPixmap>

 #include <QPointF>
 #include <QPointF>

-#include <QSet>
-
+class QTimer;

 class KItemModelBase;
 class KItemListKeyboardSearchManager;
 class KItemListSelectionManager;
 class KItemModelBase;
 class KItemListKeyboardSearchManager;
 class KItemListSelectionManager;


@@ -43,7 +43,6 @@ class QGraphicsSceneWheelEvent;
 class QHideEvent;
 class QInputMethodEvent;
 class QKeyEvent;
 class QHideEvent;
 class QInputMethodEvent;
 class QKeyEvent;

-class QMimeData;

 class QShowEvent;
 class QTransform;
 
 class QShowEvent;
 class QTransform;
 


@@ -57,13 +56,14 @@ class QTransform;
  * @see KItemModelBase
  * @see KItemListSelectionManager
  */
  * @see KItemModelBase
  * @see KItemListSelectionManager
  */

-class LIBDOLPHINPRIVATE_EXPORT KItemListController : public QObject
+class DOLPHIN_EXPORT KItemListController : public QObject

 {
     Q_OBJECT
 {
     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(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 {
 
 public:
     enum SelectionBehavior {


@@ -71,9 +71,25 @@ public:
         SingleSelection,
         MultiSelection
     };
         SingleSelection,
         MultiSelection
     };

+    Q_ENUM(SelectionBehavior)
+
+    enum AutoActivationBehavior {
+        ActivationAndExpansion,
+        ExpansionOnly
+    };
+
+    enum MouseDoubleClickAction {
+        ActivateAndExpandItem,
+        ActivateItemOnly
+    };

 
 

-    KItemListController(QObject* parent = 0);
-    virtual ~KItemListController();
+    /**
+     * @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 = nullptr);
+    ~KItemListController() override;

 
     void setModel(KItemModelBase* model);
     KItemModelBase* model() const;
 
     void setModel(KItemModelBase* model);
     KItemModelBase* model() const;


@@ -86,6 +102,14 @@ public:
     void setSelectionBehavior(SelectionBehavior behavior);
     SelectionBehavior selectionBehavior() const;
 
     void setSelectionBehavior(SelectionBehavior behavior);
     SelectionBehavior selectionBehavior() const;
 

+    void setAutoActivationBehavior(AutoActivationBehavior behavior);
+    AutoActivationBehavior autoActivationBehavior() const;
+
+    void setMouseDoubleClickAction(MouseDoubleClickAction action);
+    MouseDoubleClickAction mouseDoubleClickAction() const;
+
+    int indexCloseToMousePressedPosition() const;
+

     /**
      * Sets the delay in milliseconds when dragging an object above an item
      * until the item gets activated automatically. A value of -1 indicates
     /**
      * Sets the delay in milliseconds when dragging an object above an item
      * until the item gets activated automatically. A value of -1 indicates


@@ -104,6 +128,14 @@ public:
     void setAutoActivationDelay(int delay);
     int autoActivationDelay() const;
 
     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);
     virtual bool showEvent(QShowEvent* event);
     virtual bool hideEvent(QHideEvent* event);
     virtual bool keyPressEvent(QKeyEvent* event);


@@ -134,7 +166,7 @@ signals:
      * Is emitted if more than one item has been activated by pressing Return/Enter
      * when having a selection.
      */
      * 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);
 
 
     void itemMiddleClicked(int index);
 


@@ -168,14 +200,18 @@ signals:
 
     /**
      * Is emitted if a mouse-button has been pressed above an item.
 
     /**
      * 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.
 
     /**
      * 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);
 
 
     void itemExpansionToggleClicked(int index);
 


@@ -183,12 +219,28 @@ signals:
      * 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.
      * 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);
 
      */
     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 modelChanged(KItemModelBase* current, KItemModelBase* previous);
     void viewChanged(KItemListView* current, KItemListView* previous);
 

+    void selectedItemTextPressed(int index);
+

 private slots:
     void slotViewScrollOffsetChanged(qreal current, qreal previous);
 
 private slots:
     void slotViewScrollOffsetChanged(qreal current, qreal previous);
 


@@ -229,16 +281,16 @@ private:
     void updateKeyboardAnchor();
 
     /**
     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().
 
     /**
      * Helper method for updateKeyboardAnchor(), previousRowIndex() and nextRowIndex().


@@ -248,9 +300,20 @@ private:
      */
     qreal keyboardAnchorPos(int index) const;
 
      */
     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:
 private:

+    bool m_singleClickActivationEnforced;

     bool m_selectionTogglePressed;
     bool m_selectionTogglePressed;

+    bool m_clearSelectionIfItemsAreNotDragged;

     SelectionBehavior m_selectionBehavior;
     SelectionBehavior m_selectionBehavior;

+    AutoActivationBehavior m_autoActivationBehavior;
+    MouseDoubleClickAction m_mouseDoubleClickAction;

     KItemModelBase* m_model;
     KItemListView* m_view;
     KItemListSelectionManager* m_selectionManager;
     KItemModelBase* m_model;
     KItemListView* m_view;
     KItemListSelectionManager* m_selectionManager;


@@ -266,7 +329,7 @@ private:
      * the current selection it is remembered in m_oldSelection before the
      * rubberband gets activated.
      */
      * 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
 
     /**
      * Assuming a view is given with a vertical scroll-orientation, grouped items and