src/common/iconbndl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        iconbndl.cpp
   3 // Purpose:     wxIconBundle
   4 // Author:      Mattia Barbon
   5 // Created:     23.03.2002
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) Mattia barbon
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12     #pragma implementation "iconbndl.h"
  13 #endif
  14
  15 // For compilers that support precompilation, includes "wx.h".
  16 #include "wx/wxprec.h"
  17
  18 #ifdef __BORLANDC__
  19     #pragma hdrstop
  20 #endif
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/settings.h"
  24     #include "wx/icon.h"
  25     #include "wx/log.h"
  26     #include "wx/intl.h"
  27 #endif
  28
  29 #ifndef _WX_IMAGE_H_
  30     #include "wx/image.h"
  31 #endif
  32
  33 #include "wx/iconbndl.h"
  34 #include "wx/arrimpl.cpp"
  35
  36 WX_DEFINE_OBJARRAY(wxIconArray)
  37
  38 const wxIconBundle& wxIconBundle::operator =( const wxIconBundle& ic )
  39 {
  40     if( this == &ic ) return *this;
  41
  42     size_t i, max = ic.m_icons.GetCount();
  43
  44     DeleteIcons();
  45     for( i = 0; i < max; ++i )
  46         m_icons.Add( ic.m_icons[i] );
  47
  48     return *this;
  49 }
  50
  51 void wxIconBundle::DeleteIcons()
  52 {
  53     m_icons.Empty();
  54 }
  55
  56 void wxIconBundle::AddIcon( const wxString& file, long type )
  57 {
  58     size_t count = wxImage::GetImageCount( file, type );
  59     size_t i;
  60     wxImage image;
  61
  62     for( i = 0; i < count; ++i )
  63     {
  64         if( !image.LoadFile( file, type, i ) )
  65         {
  66             wxLogError( _("Failed to load image %d from file '%s'."),
  67                         i, file.c_str() );
  68             continue;
  69         }
  70
  71         wxIcon* tmp = new wxIcon();
  72         tmp->CopyFromBitmap( wxBitmap( image ) );
  73         AddIcon( *tmp );
  74         delete tmp;
  75     }
  76 }
  77
  78 const wxIcon& wxIconBundle::GetIcon( const wxSize& size ) const
  79 {
  80     size_t i, max = m_icons.GetCount();
  81     wxCoord sysX = wxSystemSettings::GetMetric( wxSYS_ICON_X ),
  82             sysY = wxSystemSettings::GetMetric( wxSYS_ICON_Y );
  83
  84     wxIcon *sysIcon = 0;
  85     // temp. variable needed to fix Borland C++ 5.5.1 problem
  86     // with passing a return value through two functions
  87     wxIcon *tmp;
  88
  89     for( i = 0; i < max; i++ )
  90     {
  91         if( !m_icons[i].Ok() )
  92             continue;
  93         wxCoord sx = m_icons[i].GetWidth(), sy = m_icons[i].GetHeight();
  94         // requested size
  95         if( sx == size.x && sy == size.y )
  96         {
  97             tmp = &m_icons[i]; // fix for broken BCC
  98             return *tmp;
  99         }
 100         // keep track if there is a system-size icon
 101         if( sx == sysX && sy == sysY )
 102             sysIcon = &m_icons[i];
 103     }
 104
 105     // return the system-sized icon if we've got one
 106     if( sysIcon ) return *sysIcon;
 107     // return the first icon, if we have one
 108     if( max > 0 ) // fix for broken BCC
 109         tmp = &m_icons[0];
 110     else
 111         tmp = &wxNullIcon;
 112     return *tmp;
 113 }
 114
 115 void wxIconBundle::AddIcon( const wxIcon& icon )
 116 {
 117     size_t i, max = m_icons.GetCount();
 118
 119     for( i = 0; i < max; ++i )
 120     {
 121         wxIcon& tmp = m_icons[i];
 122         if( tmp.Ok() && tmp.GetWidth() == icon.GetWidth() &&
 123             tmp.GetHeight() == icon.GetHeight() )
 124         {
 125             tmp = icon;
 126             return;
 127         }
 128     }
 129
 130     m_icons.Add( icon );
 131 }