+// ----------------------------------------------------------------------------
+// wxStdListboxInputHandler: handles mouse and kbd in a single or multi
+// selection listbox
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxStdListboxInputHandler : public wxStdInputHandler
+{
+public:
+ // if pressing the mouse button in a multiselection listbox should toggle
+ // the item under mouse immediately, then specify true as the second
+ // parameter (this is the standard behaviour, under GTK the item is toggled
+ // only when the mouse is released in the multi selection listbox)
+ wxStdListboxInputHandler(wxInputHandler *inphand,
+ bool toggleOnPressAlways = true);
+
+ // base class methods
+ virtual bool HandleKey(wxInputConsumer *consumer,
+ const wxKeyEvent& event,
+ bool pressed);
+ virtual bool HandleMouse(wxInputConsumer *consumer,
+ const wxMouseEvent& event);
+ virtual bool HandleMouseMove(wxInputConsumer *consumer,
+ const wxMouseEvent& event);
+
+protected:
+ // return the item under mouse, 0 if the mouse is above the listbox or
+ // GetCount() if it is below it
+ int HitTest(const wxListBox *listbox, const wxMouseEvent& event);
+
+ // parts of HitTest(): first finds the pseudo (because not in range) index
+ // of the item and the second one adjusts it if necessary - that is if the
+ // third one returns false
+ int HitTestUnsafe(const wxListBox *listbox, const wxMouseEvent& event);
+ int FixItemIndex(const wxListBox *listbox, int item);
+ bool IsValidIndex(const wxListBox *listbox, int item);
+
+ // init m_btnCapture and m_actionMouse
+ wxControlAction SetupCapture(wxListBox *lbox,
+ const wxMouseEvent& event,
+ int item);
+
+ wxRenderer *m_renderer;
+
+ // the button which initiated the mouse capture (currently 0 or 1)
+ int m_btnCapture;
+
+ // the action to perform when the mouse moves while we capture it
+ wxControlAction m_actionMouse;
+
+ // the ctor parameter toggleOnPressAlways (see comments near it)
+ bool m_toggleOnPressAlways;
+
+ // do we track the mouse outside the window when it is captured?
+ bool m_trackMouseOutside;
+};
+
projects / wxWidgets.git / blobdiff