include/wx/msw/statbmp.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        statbmp.h
   3 // Purpose:     wxStaticBitmap class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_STATBMP_H_
  13 #define _WX_STATBMP_H_
  14
  15 #ifdef __GNUG__
  16     #pragma interface "statbmp.h"
  17 #endif
  18
  19 #include "wx/control.h"
  20 #include "wx/icon.h"
  21
  22 WXDLLEXPORT_DATA(extern const wxChar*) wxStaticBitmapNameStr;
  23
  24 // a control showing an icon or a bitmap
  25 class WXDLLEXPORT wxStaticBitmap : public wxControl
  26 {
  27     DECLARE_DYNAMIC_CLASS(wxStaticBitmap)
  28
  29 public:
  30     wxStaticBitmap() { Init(); }
  31
  32     wxStaticBitmap(wxWindow *parent,
  33                    wxWindowID id,
  34                    const wxBitmap& label,
  35                    const wxPoint& pos = wxDefaultPosition,
  36                    const wxSize& size = wxDefaultSize,
  37                    long style = 0,
  38                    const wxString& name = wxStaticBitmapNameStr)
  39     {
  40         Create(parent, id, label, pos, size, style, name);
  41     }
  42
  43     bool Create(wxWindow *parent,
  44                 wxWindowID id,
  45                 const wxBitmap& label,
  46                 const wxPoint& pos = wxDefaultPosition,
  47                 const wxSize& size = wxDefaultSize,
  48                 long style = 0,
  49                 const wxString& name = wxStaticBitmapNameStr);
  50
  51     virtual ~wxStaticBitmap() { Free(); }
  52
  53     virtual void SetIcon(const wxIcon& icon) { SetBitmap(icon); }
  54     virtual void SetBitmap(const wxBitmap& bitmap);
  55
  56     // assert failure is provoked by an attempt to get an icon from bitmap or
  57     // vice versa
  58     const wxIcon& GetIcon() const
  59         { wxASSERT( m_isIcon ); return *m_image.icon; }
  60     const wxBitmap& GetBitmap() const
  61         { wxASSERT( !m_isIcon ); return *m_image.bitmap; }
  62
  63     // overriden base class virtuals
  64     virtual bool AcceptsFocus() const { return FALSE; }
  65
  66     // IMPLEMENTATION
  67 #ifdef __WIN16__
  68     virtual bool MSWOnDraw(WXDRAWITEMSTRUCT *item);
  69     virtual long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
  70 #endif // __WIN16__
  71
  72 protected:
  73     void Init() { m_isIcon = TRUE; m_image.icon = NULL; }
  74     void Free();
  75
  76     // TRUE if icon/bitmap is valid
  77     bool ImageIsOk() const;
  78
  79     // we can have either an icon or a bitmap
  80     bool m_isIcon;
  81     union
  82     {
  83         wxIcon *icon;
  84         wxBitmap *bitmap;
  85     } m_image;
  86
  87     virtual wxSize DoGetBestSize();
  88 };
  89
  90 #endif
  91     // _WX_STATBMP_H_