src/generic/imaglist.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        imaglist.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "imaglist.h"
  13 #endif
  14
  15 #include "wx/imaglist.h"
  16
  17 //-----------------------------------------------------------------------------
  18 //  wxImageList
  19 //-----------------------------------------------------------------------------
  20
  21 IMPLEMENT_DYNAMIC_CLASS(wxImageList, wxObject)
  22
  23 wxImageList::wxImageList( int width, int height, bool WXUNUSED(mask), int WXUNUSED(initialCount) )
  24 {
  25   m_width = width;
  26   m_height = height;
  27   Create();
  28 };
  29
  30 wxImageList::~wxImageList()
  31 {
  32 };
  33
  34 int wxImageList::GetImageCount() const
  35 {
  36   return m_images.Number();
  37 };
  38
  39 bool wxImageList::Create()
  40 {
  41   m_images.DeleteContents( TRUE );
  42   return TRUE;
  43 };
  44
  45 int wxImageList::Add( const wxBitmap &bitmap )
  46 {
  47   m_images.Append( new wxBitmap(bitmap) );
  48   return m_images.Number();
  49 };
  50
  51 bool wxImageList::Replace( int index, const wxBitmap &bitmap )
  52 {
  53   wxNode *node = m_images.Nth( index );
  54   if (!node) return FALSE;
  55
  56   if (index == m_images.Number()-1)
  57   {
  58     m_images.DeleteNode( node );
  59     m_images.Append( new wxBitmap(bitmap) );
  60   }
  61   else
  62   {
  63     wxNode *next = node->Next();
  64     m_images.DeleteNode( node );
  65     m_images.Insert( next, new wxBitmap(bitmap) );
  66   };
  67
  68   return TRUE;
  69 };
  70
  71 bool wxImageList::Remove( int index )
  72 {
  73   wxNode *node = m_images.Nth( index );
  74   if (node) m_images.DeleteNode( node );
  75   return (node != NULL);
  76 };
  77
  78 bool wxImageList::RemoveAll()
  79 {
  80   m_images.Clear();
  81   return TRUE;
  82 };
  83
  84 bool wxImageList::GetSize( int index, int &width, int &height ) const
  85 {
  86 #ifdef __WXGTK__
  87
  88   width = m_width;
  89   height = m_height;
  90
  91   return (m_images.Nth( index ) != NULL);
  92
  93 #else
  94
  95   wxNode *node = m_images.Nth( index );
  96   if (node)
  97   {
  98     wxBitmap *bm = (wxBitmap*)node->Data();
  99     width = bm->GetWidth();
 100     height = bm->GetHeight();
 101     return TRUE;
 102   }
 103   else
 104   {
 105     width = 0;
 106     height = 0;
 107     return FALSE;
 108   };
 109
 110 #endif
 111 };
 112
 113 bool wxImageList::Draw( int index, wxDC &dc, int x, int y,
 114                         int flags, bool WXUNUSED(solidBackground) )
 115 {
 116   wxNode *node = m_images.Nth( index );
 117   if (!node) return FALSE;
 118   wxBitmap *bm = (wxBitmap*)node->Data();
 119
 120 #ifdef __WXGTK__
 121
 122   // As X doesn't have a standard size for icons, we resize here.
 123   // Otherwise we'd simply have to forbid different bitmap sizes.
 124
 125   if ((m_width != bm->GetWidth()) ||
 126       (m_height != bm->GetHeight()))
 127   {
 128     bm->Resize( m_width, m_height );
 129   };
 130
 131 #endif
 132
 133   wxIcon *icon = (wxIcon*)bm;
 134   dc.DrawIcon( *icon, x, y, (flags & wxIMAGELIST_DRAW_TRANSPARENT) > 0 );
 135
 136   return TRUE;
 137 };
 138
 139