X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f644bc116bbe46d6ab609a44c05835dc4d87ba02..9b66a1d31a32e9235792261db6ff755ce26ab5c1:/src/generic/imaglist.cpp

diff --git a/src/generic/imaglist.cpp b/src/generic/imaglist.cpp
index 5f342b70c4..b285c15935 100644
--- a/src/generic/imaglist.cpp
+++ b/src/generic/imaglist.cpp
@@ -2,7 +2,7 @@
 // Name:        src/generic/imaglist.cpp
 // Purpose:
 // Author:      Robert Roebling
-// Id:          $id$
+// Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -14,30 +14,24 @@
     #pragma hdrstop
 #endif
 
-#if wxUSE_IMAGLIST
+#if wxUSE_IMAGLIST && !defined(wxHAS_NATIVE_IMAGELIST)
 
 #ifndef __WXPALMOS__
 
-#include "wx/generic/imaglist.h"
+#include "wx/imaglist.h"
 
-#include "wx/icon.h"
-#include "wx/image.h"
-#include "wx/dc.h"
+#ifndef WX_PRECOMP
+    #include "wx/dc.h"
+    #include "wx/icon.h"
+    #include "wx/image.h"
+#endif
 
 //-----------------------------------------------------------------------------
 //  wxImageList
 //-----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS(wxGenericImageList, wxObject)
-
-#if !defined(__WXMSW__) || defined(__WXUNIVERSAL__)
-/*
- * wxImageList has to be a real class or we have problems with
- * the run-time information.
- */
-
 IMPLEMENT_DYNAMIC_CLASS(wxImageList, wxGenericImageList)
-#endif
 
 wxGenericImageList::wxGenericImageList( int width, int height, bool mask, int initialCount )
 {
@@ -69,15 +63,36 @@ bool wxGenericImageList::Create()
 
 int wxGenericImageList::Add( const wxBitmap &bitmap )
 {
-    wxASSERT_MSG( (bitmap.GetWidth() == m_width && bitmap.GetHeight() == m_height)
+    wxASSERT_MSG( (bitmap.GetWidth() >= m_width && bitmap.GetHeight() == m_height)
                   || (m_width == 0 && m_height == 0),
                   _T("invalid bitmap size in wxImageList: this might work ")
                   _T("on this platform but definitely won't under Windows.") );
 
+    const int index = int(m_images.GetCount());
+
     if (bitmap.IsKindOf(CLASSINFO(wxIcon)))
+    {
         m_images.Append( new wxIcon( (const wxIcon&) bitmap ) );
+    }
     else
-        m_images.Append( new wxBitmap(bitmap) );
+    {
+        // Mimic behavior of Windows ImageList_Add that automatically breaks up the added
+        // bitmap into sub-images of the correct size
+        if (m_width > 0 && bitmap.GetWidth() > m_width && bitmap.GetHeight() >= m_height)
+        {
+            int numImages = bitmap.GetWidth() / m_width;
+            for (int subIndex = 0; subIndex < numImages; subIndex++)
+            {
+                wxRect rect(m_width * subIndex, 0, m_width, m_height);
+                wxBitmap tmpBmp = bitmap.GetSubBitmap(rect);
+                m_images.Append( new wxBitmap(tmpBmp) );
+            }
+        }
+        else
+        {
+            m_images.Append( new wxBitmap(bitmap) );
+        }
+    }
 
     if (m_width == 0 && m_height == 0)
     {
@@ -85,7 +100,7 @@ int wxGenericImageList::Add( const wxBitmap &bitmap )
         m_height = bitmap.GetHeight();
     }
 
-    return m_images.GetCount()-1;
+    return index;
 }
 
 int wxGenericImageList::Add( const wxBitmap& bitmap, const wxBitmap& mask )
@@ -198,7 +213,7 @@ bool wxGenericImageList::Replace( int index, const wxBitmap &bitmap, const wxBit
         m_images.Erase( node );
         m_images.Insert( next, newBitmap );
     }
-    
+
     if (mask.Ok())
         newBitmap->SetMask(new wxMask(mask));
 
@@ -258,5 +273,6 @@ bool wxGenericImageList::Draw( int index, wxDC &dc, int x, int y,
     return true;
 }
 
-#endif // wxUSE_IMAGLIST
 #endif // __WXPALMOS__
+
+#endif // wxUSE_IMAGLIST