// Author: Vadim Zeitlin
// Modified by:
// Created: 22.10.99
-// RCS-ID: $Id$
// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// multiple selection logic
virtual bool IsSelected(int n) const = 0;
- virtual void SetSelection(int n) { DoSetSelection(n, true); }
+ virtual void SetSelection(int n);
void SetSelection(int n, bool select) { DoSetSelection(n, select); }
void Deselect(int n) { DoSetSelection(n, false); }
void DeselectAll(int itemToLeaveSelected = -1);
int HitTest(int x, int y) const { return DoListHitTest(wxPoint(x, y)); }
- // For generating events in multiple and extended mode
- wxArrayInt m_oldSelections;
- void UpdateOldSelections();
- void CalcAndSendEvent();
-
protected:
virtual void DoSetFirstItem(int n) = 0;
virtual int DoListHitTest(const wxPoint& WXUNUSED(point)) const
{ return wxNOT_FOUND; }
+ // Helper for the code generating events in single selection mode: updates
+ // m_oldSelections and return true if the selection really changed.
+ // Otherwise just returns false.
+ bool DoChangeSingleSelection(int item);
+
+ // Helper for generating events in multiple and extended mode: compare the
+ // current selections with the previously recorded ones (in
+ // m_oldSelections) and send the appropriate event if they differ,
+ // otherwise just return false.
+ bool CalcAndSendEvent();
+
+ // Send a listbox (de)selection or double click event.
+ //
+ // Returns true if the event was processed.
+ bool SendEvent(wxEventType evtType, int item, bool selected);
+
+ // Array storing the indices of all selected items that we already notified
+ // the user code about for multi selection list boxes.
+ //
+ // For single selection list boxes, we reuse this array to store the single
+ // currently selected item, this is used by DoChangeSingleSelection().
+ //
+ // TODO-OPT: wxSelectionStore would be more efficient for big list boxes.
+ wxArrayInt m_oldSelections;
+
+ // Update m_oldSelections with currently selected items (does nothing in
+ // single selection mode on platforms other than MSW).
+ void UpdateOldSelections();
+
private:
wxDECLARE_NO_COPY_CLASS(wxListBoxBase);
};