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 // ---------------------------------------------------------------------------
  22 // icon data
  23 // ---------------------------------------------------------------------------
  24 class WXDLLEXPORT wxIconRefData: public wxBitmapRefData
  25 {
  26     friend class WXDLLEXPORT wxBitmap;
  27     friend class WXDLLEXPORT wxIcon;
  28
  29 public:
  30     wxIconRefData();
  31     ~wxIconRefData();
  32
  33 public:
  34     WXHICON m_hIcon;
  35 };
  36
  37 #define M_ICONDATA ((wxIconRefData *)m_refData)
  38 #define M_ICONHANDLERDATA ((wxIconRefData *)bitmap->GetRefData())
  39
  40 // ---------------------------------------------------------------------------
  41 // Icon
  42 // ---------------------------------------------------------------------------
  43 class WXDLLEXPORT wxIcon : public wxBitmap
  44 {
  45     DECLARE_DYNAMIC_CLASS(wxIcon)
  46
  47 public:
  48     wxIcon();
  49
  50     // Copy constructors
  51     wxIcon(const wxIcon& icon) { Ref(icon); }
  52
  53     wxIcon(const char bits[], int width, int height);
  54     wxIcon(const wxString& name, long flags = wxBITMAP_TYPE_ICO_RESOURCE,
  55            int desiredWidth = -1, int desiredHeight = -1);
  56     ~wxIcon();
  57
  58     bool LoadFile(const wxString& name, long flags = wxBITMAP_TYPE_ICO_RESOURCE,
  59                   int desiredWidth = -1, int desiredHeight = -1);
  60
  61     wxIcon& operator = (const wxIcon& icon)
  62         { if (*this == icon) return (*this); Ref(icon); return *this; }
  63     bool operator == (const wxIcon& icon) const
  64         { return m_refData == icon.m_refData; }
  65     bool operator != (const wxIcon& icon) const
  66         { return m_refData != icon.m_refData; }
  67
  68     void SetHICON(WXHICON ico);
  69     WXHICON GetHICON() const { return (M_ICONDATA ? M_ICONDATA->m_hIcon : 0); }
  70
  71     bool Ok() const { return (m_refData != NULL && M_ICONDATA->m_hIcon != 0) ; }
  72
  73     bool FreeResource(bool force = FALSE);
  74 };
  75
  76 // TODO: Put these in separate, private header
  77
  78 class WXDLLEXPORT wxICOFileHandler: public wxBitmapHandler
  79 {
  80 DECLARE_DYNAMIC_CLASS(wxICOFileHandler)
  81
  82 public:
  83     wxICOFileHandler()
  84     {
  85         m_name = "ICO icon file";
  86         m_extension = "ico";
  87         m_type = wxBITMAP_TYPE_ICO;
  88     };
  89
  90     virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
  91                           int desiredWidth = -1, int desiredHeight = -1);
  92 };
  93
  94 class WXDLLEXPORT wxICOResourceHandler: public wxBitmapHandler
  95 {
  96 DECLARE_DYNAMIC_CLASS(wxICOResourceHandler)
  97
  98 public:
  99     wxICOResourceHandler()
 100     {
 101         m_name = "ICO resource";
 102         m_extension = "ico";
 103         m_type = wxBITMAP_TYPE_ICO_RESOURCE;
 104     };
 105
 106     virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 107                           int desiredWidth = -1, int desiredHeight = -1);
 108
 109 };
 110
 111 #endif
 112     // _WX_ICON_H_