include/wx/msw/checklst.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        checklst.h
   3 // Purpose:     wxCheckListBox class - a listbox with checkable items
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     16.11.97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef   __CHECKLST__H_
  13 #define   __CHECKLST__H_
  14
  15 #ifdef __GNUG__
  16 #pragma interface "checklst.h"
  17 #endif
  18
  19 #if !wxUSE_OWNER_DRAWN
  20   #error  "wxCheckListBox class requires owner-drawn functionality."
  21 #endif
  22
  23 class WXDLLEXPORT wxOwnerDrawn;
  24 class WXDLLEXPORT wxCheckListBoxItem; // fwd decl, defined in checklst.cpp
  25
  26 class WXDLLEXPORT wxCheckListBox : public wxCheckListBoxBase
  27 {
  28 public:
  29   // ctors
  30   wxCheckListBox();
  31   wxCheckListBox(wxWindow *parent, wxWindowID id,
  32                  const wxPoint& pos = wxDefaultPosition,
  33                  const wxSize& size = wxDefaultSize,
  34                  int nStrings = 0,
  35                  const wxString choices[] = NULL,
  36                  long style = 0,
  37                  const wxValidator& validator = wxDefaultValidator,
  38                  const wxString& name = wxListBoxNameStr);
  39
  40   bool Create(wxWindow *parent, wxWindowID id,
  41                 const wxPoint& pos = wxDefaultPosition,
  42                 const wxSize& size = wxDefaultSize,
  43                 int n = 0, const wxString choices[] = NULL,
  44                 long style = 0,
  45                 const wxValidator& validator = wxDefaultValidator,
  46                 const wxString& name = wxListBoxNameStr);
  47
  48   // override base class virtuals
  49   virtual void Delete(int n);
  50
  51   virtual bool SetFont( const wxFont &font );
  52
  53   // items may be checked
  54   virtual bool IsChecked(size_t uiIndex) const;
  55   virtual void Check(size_t uiIndex, bool bCheck = TRUE);
  56
  57   // return the index of the item at this position or wxNOT_FOUND
  58   int HitTest(const wxPoint& pt) const { return DoHitTestItem(pt.x, pt.y); }
  59   int HitTest(wxCoord x, wxCoord y) const { return DoHitTestItem(x, y); }
  60
  61   // accessors
  62   size_t GetItemHeight() const { return m_nItemHeight; }
  63
  64 protected:
  65   // we create our items ourselves and they have non-standard size,
  66   // so we need to override these functions
  67   virtual wxOwnerDrawn *CreateLboxItem(size_t n);
  68   virtual bool          MSWOnMeasure(WXMEASUREITEMSTRUCT *item);
  69
  70   // this can't be called DoHitTest() because wxWindow already has this method
  71   int DoHitTestItem(wxCoord x, wxCoord y) const;
  72
  73   // pressing space or clicking the check box toggles the item
  74   void OnKeyDown(wxKeyEvent& event);
  75   void OnLeftClick(wxMouseEvent& event);
  76
  77 private:
  78   size_t    m_nItemHeight;  // height of checklistbox items (the same for all)
  79
  80   DECLARE_EVENT_TABLE()
  81   DECLARE_DYNAMIC_CLASS(wxCheckListBox)
  82 };
  83
  84 #endif    //_CHECKLST_H