src/msw/icon.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/icon.cpp
   3 // Purpose:     wxIcon class
   4 // Author:      Julian Smart
   5 // Modified by: 20.11.99 (VZ): don't derive from wxBitmap any more
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "icon.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/defs.h"
  33     #include "wx/list.h"
  34     #include "wx/utils.h"
  35     #include "wx/app.h"
  36     #include "wx/icon.h"
  37     #include "wx/bitmap.h"
  38     #include "wx/log.h"
  39 #endif
  40
  41 #include "wx/msw/private.h"
  42
  43 // ----------------------------------------------------------------------------
  44 // wxWin macros
  45 // ----------------------------------------------------------------------------
  46
  47 IMPLEMENT_DYNAMIC_CLASS(wxIcon, wxGDIObject)
  48
  49 // ============================================================================
  50 // implementation
  51 // ============================================================================
  52
  53 // ----------------------------------------------------------------------------
  54 // wxIconRefData
  55 // ----------------------------------------------------------------------------
  56
  57 void wxIconRefData::Free()
  58 {
  59     if ( m_hIcon )
  60     {
  61 #ifndef __WXMICROWIN__
  62         ::DestroyIcon((HICON) m_hIcon);
  63 #endif
  64
  65         m_hIcon = 0;
  66     }
  67 }
  68
  69 // ----------------------------------------------------------------------------
  70 // wxIcon
  71 // ----------------------------------------------------------------------------
  72
  73 wxIcon::wxIcon(const char bits[], int width, int height)
  74 {
  75     wxBitmap bmp(bits, width, height);
  76     CopyFromBitmap(bmp);
  77 }
  78
  79 wxIcon::wxIcon(const wxString& iconfile,
  80                long flags,
  81                int desiredWidth,
  82                int desiredHeight)
  83
  84 {
  85     LoadFile(iconfile, flags, desiredWidth, desiredHeight);
  86 }
  87
  88 wxIcon::wxIcon(const wxIconLocation& loc)
  89 {
  90     // wxICOFileHandler accepts names in the format "filename;index"
  91     wxString fullname = loc.GetFileName();
  92     if ( loc.GetIndex() )
  93     {
  94         fullname << _T(';') << loc.GetIndex();
  95     }
  96     //else: 0 is default
  97
  98     LoadFile(fullname, wxBITMAP_TYPE_ICO);
  99 }
 100
 101 wxIcon::~wxIcon()
 102 {
 103 }
 104
 105 void wxIcon::CopyFromBitmap(const wxBitmap& bmp)
 106 {
 107 #ifndef __WXMICROWIN__
 108     HICON hicon = wxBitmapToHICON(bmp);
 109     if ( !hicon )
 110     {
 111         wxLogLastError(wxT("CreateIconIndirect"));
 112     }
 113     else
 114     {
 115         SetHICON((WXHICON)hicon);
 116         SetSize(bmp.GetWidth(), bmp.GetHeight());
 117     }
 118 #endif // __WXMICROWIN__
 119 }
 120
 121 void wxIcon::CreateIconFromXpm(const char **data)
 122 {
 123     wxBitmap bmp(data);
 124     CopyFromBitmap(bmp);
 125 }
 126
 127 bool wxIcon::LoadFile(const wxString& filename,
 128                       long type,
 129                       int desiredWidth, int desiredHeight)
 130 {
 131     UnRef();
 132
 133     wxGDIImageHandler *handler = FindHandler(type);
 134
 135     if ( !handler )
 136     {
 137         // say something?
 138         return false;
 139     }
 140
 141     return handler->Load(this, filename, type, desiredWidth, desiredHeight);
 142 }
 143