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 #include "wx/bitmap.h"
  22
  23 WXDLLEXPORT_DATA(extern const wxChar*) wxStaticBitmapNameStr;
  24
  25 // a control showing an icon or a bitmap
  26 class WXDLLEXPORT wxStaticBitmap : public wxControl
  27 {
  28     DECLARE_DYNAMIC_CLASS(wxStaticBitmap)
  29
  30 public:
  31     wxStaticBitmap() { Init(); }
  32
  33     wxStaticBitmap(wxWindow *parent,
  34                    wxWindowID id,
  35                    const wxGDIImage& label,
  36                    const wxPoint& pos = wxDefaultPosition,
  37                    const wxSize& size = wxDefaultSize,
  38                    long style = 0,
  39                    const wxString& name = wxStaticBitmapNameStr)
  40     {
  41         Create(parent, id, label, pos, size, style, name);
  42     }
  43
  44     bool Create(wxWindow *parent,
  45                 wxWindowID id,
  46                 const wxGDIImage& label,
  47                 const wxPoint& pos = wxDefaultPosition,
  48                 const wxSize& size = wxDefaultSize,
  49                 long style = 0,
  50                 const wxString& name = wxStaticBitmapNameStr);
  51
  52     virtual ~wxStaticBitmap() { Free(); }
  53
  54     void SetIcon(const wxIcon& icon) { SetImage(&icon); }
  55     void SetBitmap(const wxBitmap& bitmap) { SetImage(&bitmap); }
  56
  57     // assert failure is provoked by an attempt to get an icon from bitmap or
  58     // vice versa
  59     const wxIcon& GetIcon() const
  60         { wxASSERT( m_isIcon ); return *(wxIcon *)m_image; }
  61     const wxBitmap& GetBitmap() const
  62         { wxASSERT( !m_isIcon ); return *(wxBitmap *)m_image; }
  63
  64     // overriden base class virtuals
  65     virtual bool AcceptsFocus() const { return FALSE; }
  66
  67     // IMPLEMENTATION
  68 #ifdef __WIN16__
  69     virtual bool MSWOnDraw(WXDRAWITEMSTRUCT *item);
  70 #endif // __WIN16__
  71     virtual long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
  72
  73 protected:
  74     virtual wxSize DoGetBestSize() const;
  75
  76     void Init() { m_isIcon = TRUE; m_image = NULL; }
  77     void Free();
  78
  79     // TRUE if icon/bitmap is valid
  80     bool ImageIsOk() const;
  81
  82     void SetImage(const wxGDIImage* image);
  83
  84     // we can have either an icon or a bitmap
  85     bool m_isIcon;
  86     wxGDIImage *m_image;
  87 };
  88
  89 #endif
  90     // _WX_STATBMP_H_