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 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2007 Vadim Zeitlin <vadim@wxwindows.org>
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_MSW_CTRLSUB_H_
  12 #define _WX_MSW_CTRLSUB_H_
  13
  14 // ----------------------------------------------------------------------------
  15 // wxControlWithItems
  16 // ----------------------------------------------------------------------------
  17
  18 class WXDLLEXPORT wxControlWithItems : public wxControlWithItemsBase
  19 {
  20 public:
  21     wxControlWithItems() { }
  22
  23 protected:
  24     // preallocate memory for inserting the given new items into the control
  25     // using the wm message (normally either LB_INITSTORAGE or CB_INITSTORAGE)
  26     void MSWAllocStorage(const wxArrayStringsAdapter& items, unsigned wm);
  27
  28     // insert or append a string to the controls using the given message
  29     // (one of {CB,LB}_{ADD,INSERT}STRING, pos must be 0 when appending)
  30     int MSWInsertOrAppendItem(unsigned pos, const wxString& item, unsigned wm);
  31
  32     // normally the control containing the items is this window itself but if
  33     // the derived control is composed of several windows, this method can be
  34     // overridden to return the real list/combobox control
  35     virtual WXHWND MSWGetItemsHWND() const { return GetHWND(); }
  36
  37 private:
  38     DECLARE_ABSTRACT_CLASS(wxControlWithItems)
  39     DECLARE_NO_COPY_CLASS(wxControlWithItems)
  40 };
  41
  42 #endif // _WX_MSW_CTRLSUB_H_
  43