include/wx/choice.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/choice.h
   3 // Purpose:     wxChoice class interface
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     26.07.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWidgets team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_CHOICE_H_BASE_
  13 #define _WX_CHOICE_H_BASE_
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #include "wx/defs.h"
  20
  21 #if wxUSE_CHOICE
  22
  23 #include "wx/ctrlsub.h"     // the base class
  24
  25 // ----------------------------------------------------------------------------
  26 // global data
  27 // ----------------------------------------------------------------------------
  28
  29 extern WXDLLIMPEXP_DATA_CORE(const char) wxChoiceNameStr[];
  30
  31 // ----------------------------------------------------------------------------
  32 // wxChoice allows to select one of a non-modifiable list of strings
  33 // ----------------------------------------------------------------------------
  34
  35 class WXDLLIMPEXP_CORE wxChoiceBase : public wxControlWithItems
  36 {
  37 public:
  38     wxChoiceBase() { }
  39     virtual ~wxChoiceBase();
  40
  41     // all generic methods are in wxControlWithItems
  42
  43     // get the current selection: this can only be different from the normal
  44     // selection if the popup items list is currently opened and the user
  45     // selected some item in it but didn't close the list yet; otherwise (and
  46     // currently always on platforms other than MSW) this is the same as
  47     // GetSelection()
  48     virtual int GetCurrentSelection() const { return GetSelection(); }
  49
  50     // set/get the number of columns in the control (as they're not supported on
  51     // most platforms, they do nothing by default)
  52     virtual void SetColumns(int WXUNUSED(n) = 1 ) { }
  53     virtual int GetColumns() const { return 1 ; }
  54
  55     // emulate selecting the item event.GetInt()
  56     void Command(wxCommandEvent& event);
  57
  58     // override wxItemContainer::IsSorted
  59     virtual bool IsSorted() const { return HasFlag(wxCB_SORT); }
  60
  61 protected:
  62     // The generic implementation doesn't determine the height correctly and
  63     // doesn't account for the width of the arrow but does take into account
  64     // the string widths, so the derived classes should override it and set the
  65     // height and add the arrow width to the size returned by this version.
  66     virtual wxSize DoGetBestSize() const;
  67
  68 private:
  69     wxDECLARE_NO_COPY_CLASS(wxChoiceBase);
  70 };
  71
  72 // ----------------------------------------------------------------------------
  73 // include the platform-dependent class definition
  74 // ----------------------------------------------------------------------------
  75
  76 #if defined(__WXUNIVERSAL__)
  77     #include "wx/univ/choice.h"
  78 #elif defined(__SMARTPHONE__) && defined(__WXWINCE__)
  79     #include "wx/msw/wince/choicece.h"
  80 #elif defined(__WXMSW__)
  81     #include "wx/msw/choice.h"
  82 #elif defined(__WXMOTIF__)
  83     #include "wx/motif/choice.h"
  84 #elif defined(__WXGTK20__)
  85     #include "wx/gtk/choice.h"
  86 #elif defined(__WXGTK__)
  87     #include "wx/gtk1/choice.h"
  88 #elif defined(__WXMAC__)
  89     #include "wx/osx/choice.h"
  90 #elif defined(__WXCOCOA__)
  91     #include "wx/cocoa/choice.h"
  92 #elif defined(__WXPM__)
  93     #include "wx/os2/choice.h"
  94 #endif
  95
  96 #endif // wxUSE_CHOICE
  97
  98 #endif // _WX_CHOICE_H_BASE_