include/wx/msw/icon.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        icon.h
   3 // Purpose:     wxIcon 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_ICON_H_
  13 #define _WX_ICON_H_
  14
  15 #ifdef __GNUG__
  16 #pragma interface "icon.h"
  17 #endif
  18
  19 #include "wx/bitmap.h"
  20
  21 class WXDLLEXPORT wxIconRefData: public wxBitmapRefData
  22 {
  23     friend class WXDLLEXPORT wxBitmap;
  24     friend class WXDLLEXPORT wxIcon;
  25 public:
  26     wxIconRefData(void);
  27     ~wxIconRefData(void);
  28
  29 public:
  30   WXHICON m_hIcon;
  31 };
  32
  33 #define M_ICONDATA ((wxIconRefData *)m_refData)
  34 #define M_ICONHANDLERDATA ((wxIconRefData *)bitmap->GetRefData())
  35
  36 // Icon
  37 class WXDLLEXPORT wxIcon: public wxBitmap
  38 {
  39   DECLARE_DYNAMIC_CLASS(wxIcon)
  40
  41 public:
  42   wxIcon(void);
  43
  44   // Copy constructors
  45   inline wxIcon(const wxIcon& icon) { Ref(icon); }
  46   inline wxIcon(const wxIcon* icon) { /* UnRef(); */ if (icon) Ref(*icon); }
  47
  48   wxIcon(const char bits[], int width, int height);
  49   wxIcon(const wxString& name, long flags = wxBITMAP_TYPE_ICO_RESOURCE,
  50     int desiredWidth = -1, int desiredHeight = -1);
  51   ~wxIcon(void);
  52
  53   bool LoadFile(const wxString& name, long flags = wxBITMAP_TYPE_ICO_RESOURCE,
  54       int desiredWidth = -1, int desiredHeight = -1);
  55
  56   inline wxIcon& operator = (const wxIcon& icon) { if (*this == icon) return (*this); Ref(icon); return *this; }
  57   inline bool operator == (const wxIcon& icon) { return m_refData == icon.m_refData; }
  58   inline bool operator != (const wxIcon& icon) { return m_refData != icon.m_refData; }
  59
  60   void SetHICON(WXHICON ico);
  61   inline WXHICON GetHICON(void) const { return (M_ICONDATA ? M_ICONDATA->m_hIcon : 0); }
  62
  63   virtual bool Ok(void) const { return (m_refData != NULL && M_ICONDATA->m_hIcon) ; }
  64
  65   bool FreeResource(bool force = FALSE);
  66 };
  67
  68 // TODO: Put these in separate, private header
  69
  70 class WXDLLEXPORT wxICOFileHandler: public wxBitmapHandler
  71 {
  72   DECLARE_DYNAMIC_CLASS(wxICOFileHandler)
  73 public:
  74   inline wxICOFileHandler(void)
  75   {
  76         m_name = "ICO icon file";
  77         m_extension = "ico";
  78         m_type = wxBITMAP_TYPE_ICO;
  79   };
  80
  81   virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
  82       int desiredWidth = -1, int desiredHeight = -1);
  83 };
  84
  85 class WXDLLEXPORT wxICOResourceHandler: public wxBitmapHandler
  86 {
  87   DECLARE_DYNAMIC_CLASS(wxICOResourceHandler)
  88 public:
  89   inline wxICOResourceHandler(void)
  90   {
  91         m_name = "ICO resource";
  92         m_extension = "ico";
  93         m_type = wxBITMAP_TYPE_ICO_RESOURCE;
  94   };
  95
  96   virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
  97       int desiredWidth = -1, int desiredHeight = -1);
  98
  99 };
 100
 101 #endif
 102     // _WX_ICON_H_