X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0a03dc7a13b8654be11e20b7361ed2d692e7cbca..ca77701441e39245dcbfce903049e76f166979e5:/include/wx/listbox.h diff --git a/include/wx/listbox.h b/include/wx/listbox.h index fa924a53c4..f023f6fa65 100644 --- a/include/wx/listbox.h +++ b/include/wx/listbox.h @@ -49,7 +49,7 @@ public: // 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); @@ -96,11 +96,6 @@ public: 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; @@ -110,8 +105,37 @@ protected: 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: - DECLARE_NO_COPY_CLASS(wxListBoxBase) + wxDECLARE_NO_COPY_CLASS(wxListBoxBase); }; // ----------------------------------------------------------------------------