include/wx/os2/icon.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        icon.h
   3 // Purpose:     wxIcon class
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/09/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_ICON_H_
  13 #define _WX_ICON_H_
  14
  15 #include "wx/bitmap.h"
  16
  17 class WXDLLEXPORT wxIconRefData: public wxBitmapRefData
  18 {
  19     friend class WXDLLEXPORT wxBitmap;
  20     friend class WXDLLEXPORT wxIcon;
  21 public:
  22     wxIconRefData();
  23     ~wxIconRefData();
  24
  25 public:
  26     WXHICON m_hIcon;
  27 };
  28
  29 #define M_ICONDATA ((wxIconRefData *)m_refData)
  30 #define M_ICONHANDLERDATA ((wxIconRefData *)bitmap->GetRefData())
  31
  32 // Icon
  33 class WXDLLEXPORT wxIcon: public wxBitmap
  34 {
  35   DECLARE_DYNAMIC_CLASS(wxIcon)
  36
  37 public:
  38   wxIcon();
  39
  40   // Copy constructors
  41   inline wxIcon(const wxIcon& icon) { Ref(icon); }
  42
  43   wxIcon(const char bits[], int width, int height);
  44   wxIcon(const wxString& name, long flags = wxBITMAP_TYPE_ICO_RESOURCE,
  45     int desiredWidth = -1, int desiredHeight = -1);
  46   ~wxIcon();
  47
  48   bool LoadFile(const wxString& name, long flags = wxBITMAP_TYPE_ICO_RESOURCE,
  49       int desiredWidth = -1, int desiredHeight = -1);
  50
  51   inline wxIcon& operator = (const wxIcon& icon) { if (*this == icon) return (*this); Ref(icon); return *this; }
  52   inline bool operator == (const wxIcon& icon) { return m_refData == icon.m_refData; }
  53   inline bool operator != (const wxIcon& icon) { return m_refData != icon.m_refData; }
  54
  55   void SetHICON(WXHICON ico);
  56   inline WXHICON GetHICON() const { return (M_ICONDATA ? M_ICONDATA->m_hIcon : 0); }
  57
  58   virtual bool Ok() const { return (m_refData != NULL) ; }
  59 private:
  60   // supress virtual function hiding warning
  61   virtual bool LoadFile( const wxString& name
  62                         ,long type = wxBITMAP_TYPE_BMP_RESOURCE
  63                        )
  64    { return(wxBitmap::LoadFile(name, type)); };
  65 };
  66
  67 // Example handlers. TODO: write your own handlers for relevant types.
  68
  69 class WXDLLEXPORT wxICOFileHandler: public wxBitmapHandler
  70 {
  71   DECLARE_DYNAMIC_CLASS(wxICOFileHandler)
  72 public:
  73   inline wxICOFileHandler()
  74   {
  75     m_name = "ICO icon file";
  76     m_extension = "ico";
  77     m_type = wxBITMAP_TYPE_ICO;
  78   };
  79
  80   virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
  81       int desiredWidth = -1, int desiredHeight = -1);
  82 };
  83
  84 class WXDLLEXPORT wxICOResourceHandler: public wxBitmapHandler
  85 {
  86   DECLARE_DYNAMIC_CLASS(wxICOResourceHandler)
  87 public:
  88   inline wxICOResourceHandler()
  89   {
  90     m_name = "ICO resource";
  91     m_extension = "ico";
  92     m_type = wxBITMAP_TYPE_ICO_RESOURCE;
  93   };
  94
  95   virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
  96       int desiredWidth = -1, int desiredHeight = -1);
  97
  98 };
  99
 100 #endif
 101     // _WX_ICON_H_
 102