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