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     wxIcon tmp;
  62
  63     for( i = 0; i < count; ++i )
  64     {
  65         if( !image.LoadFile( file, type, i ) )
  66         {
  67             wxLogError( _("Failed to load image %d from file '%s'."),
  68                         i, file.c_str() );
  69             continue;
  70         }
  71
  72         tmp.CopyFromBitmap( wxBitmap( image ) );
  73         AddIcon( tmp );
  74     }
  75 }
  76
  77 const wxIcon& wxIconBundle::GetIcon( const wxSize& size ) const
  78 {
  79     size_t i, max = m_icons.GetCount();
  80     wxCoord sysX = wxSystemSettings::GetMetric( wxSYS_ICON_X ),
  81             sysY = wxSystemSettings::GetMetric( wxSYS_ICON_Y );
  82
  83     wxIcon *sysIcon = 0;
  84     // temp. variable needed to fix Borland C++ 5.5.1 problem
  85     // with passing a return value through two functions
  86     wxIcon *tmp;
  87
  88     for( i = 0; i < max; i++ )
  89     {
  90         if( !m_icons[i].Ok() )
  91             continue;
  92         wxCoord sx = m_icons[i].GetWidth(), sy = m_icons[i].GetHeight();
  93         // requested size
  94         if( sx == size.x && sy == size.y )
  95         {
  96             tmp = &m_icons[i]; // fix for broken BCC
  97             return *tmp;
  98         }
  99         // keep track if there is a system-size icon
 100         if( sx == sysX && sy == sysY )
 101             sysIcon = &m_icons[i];
 102     }
 103
 104     // return the system-sized icon if we've got one
 105     if( sysIcon ) return *sysIcon;
 106     // return the first icon, if we have one
 107     if( max > 0 ) // fix for broken BCC
 108         tmp = &m_icons[0];
 109     else
 110         tmp = &wxNullIcon;
 111     return *tmp;
 112 }
 113
 114 void wxIconBundle::AddIcon( const wxIcon& icon )
 115 {
 116     size_t i, max = m_icons.GetCount();
 117
 118     for( i = 0; i < max; ++i )
 119     {
 120         wxIcon& tmp = m_icons[i];
 121         if( tmp.Ok() && tmp.GetWidth() == icon.GetWidth() &&
 122             tmp.GetHeight() == icon.GetHeight() )
 123         {
 124             tmp = icon;
 125             return;
 126         }
 127     }
 128
 129     m_icons.Add( icon );
 130 }