include/wx/msw/ctrlsub.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/ctrlsub.h
   3 // Purpose:     common functionality of wxItemContainer-derived controls
   4 // Author:      Vadim Zeitlin
   5 // Created:     2007-07-25
   6 // Copyright:   (c) 2007 Vadim Zeitlin <vadim@wxwindows.org>
   7 // Licence:     wxWindows licence
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 #ifndef _WX_MSW_CTRLSUB_H_
  11 #define _WX_MSW_CTRLSUB_H_
  12
  13 // ----------------------------------------------------------------------------
  14 // wxControlWithItems
  15 // ----------------------------------------------------------------------------
  16
  17 class WXDLLIMPEXP_CORE wxControlWithItems : public wxControlWithItemsBase
  18 {
  19 public:
  20     wxControlWithItems() { }
  21
  22 protected:
  23     // preallocate memory for inserting the given new items into the control
  24     // using the wm message (normally either LB_INITSTORAGE or CB_INITSTORAGE)
  25     void MSWAllocStorage(const wxArrayStringsAdapter& items, unsigned wm);
  26
  27     // insert or append a string to the controls using the given message
  28     // (one of {CB,LB}_{ADD,INSERT}STRING, pos must be 0 when appending)
  29     int MSWInsertOrAppendItem(unsigned pos, const wxString& item, unsigned wm);
  30
  31     // normally the control containing the items is this window itself but if
  32     // the derived control is composed of several windows, this method can be
  33     // overridden to return the real list/combobox control
  34     virtual WXHWND MSWGetItemsHWND() const { return GetHWND(); }
  35
  36 private:
  37     DECLARE_ABSTRACT_CLASS(wxControlWithItems)
  38     wxDECLARE_NO_COPY_CLASS(wxControlWithItems);
  39 };
  40
  41 #endif // _WX_MSW_CTRLSUB_H_
  42