include/wx/msw/statbmp.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/statbmp.h
   3 // Purpose:     wxStaticBitmap class for wxMSW
   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 wxStaticBitmapBase
  27 {
  28 public:
  29     wxStaticBitmap() { Init(); }
  30
  31     wxStaticBitmap(wxWindow *parent,
  32                    wxWindowID id,
  33                    const wxGDIImage& label,
  34                    const wxPoint& pos = wxDefaultPosition,
  35                    const wxSize& size = wxDefaultSize,
  36                    long style = 0,
  37                    const wxString& name = wxStaticBitmapNameStr)
  38     {
  39         Init();
  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     virtual void SetIcon(const wxIcon& icon) { SetImage(&icon); }
  55     virtual 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     wxIcon GetIcon() const
  60     {
  61         wxASSERT_MSG( m_isIcon, _T("no icon in this wxStaticBitmap") );
  62
  63         return *(wxIcon *)m_image;
  64     }
  65
  66     wxBitmap GetBitmap() const
  67     {
  68         wxASSERT_MSG( !m_isIcon, _T("no bitmap in this wxStaticBitmap") );
  69
  70         return *(wxBitmap *)m_image;
  71     }
  72
  73     // implementation only from now on
  74     // -------------------------------
  75
  76     // implement base class virtuals
  77 #ifdef __WIN16__
  78     virtual bool MSWOnDraw(WXDRAWITEMSTRUCT *item);
  79 #endif // __WIN16__
  80     virtual long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
  81
  82 protected:
  83     virtual wxSize DoGetBestSize() const;
  84     virtual WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const;
  85
  86     // ctor/dtor helpers
  87     void Init() { m_isIcon = TRUE; m_image = NULL; }
  88     void Free();
  89
  90     // TRUE if icon/bitmap is valid
  91     bool ImageIsOk() const;
  92
  93     void SetImage(const wxGDIImage* image);
  94     void SetImageNoCopy( wxGDIImage* image );
  95
  96     // we can have either an icon or a bitmap
  97     bool m_isIcon;
  98     wxGDIImage *m_image;
  99
 100 private:
 101     DECLARE_DYNAMIC_CLASS(wxStaticBitmap)
 102     DECLARE_NO_COPY_CLASS(wxStaticBitmap)
 103 };
 104
 105 #endif
 106     // _WX_STATBMP_H_