fixed wxImage->wxBitmap conversion for images with alpha channel

[wxWidgets.git] / src / msw / dragimag.cpp

diff --git a/src/msw/dragimag.cpp b/src/msw/dragimag.cpp
index 9427d3af72bd8300f14d3319ceda66cc9433067c..6c39b446f05aa19d340cb3607b16c089771f392c 100644 (file)
--- a/src/msw/dragimag.cpp
+++ b/src/msw/dragimag.cpp
@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "dragimag.h"
 #endif
 
@@ -51,6 +51,10 @@
 #include "wx/msw/dragimag.h"
 #include "wx/msw/private.h"
 
+#ifdef __WXWINCE__  // for SM_CXCURSOR and SM_CYCURSOR
+#include "wx/msw/wince/missing.h"
+#endif // __WXWINCE__
+
 #if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__))
 #include <commctrl.h>
 #endif
@@ -116,10 +120,10 @@ bool wxDragImage::Create(const wxBitmap& image, const wxCursor& cursor)
         ImageList_Destroy(GetHimageList());
     m_hImageList = 0;
 
-    UINT flags = 0 ;
 #ifdef __WXWINCE__
-    flags = ILC_COLOR;
+    UINT flags = ILC_COLOR;
 #else
+    UINT flags wxDUMMY_INITIALIZE(0) ;
     if (image.GetDepth() <= 4)
         flags = ILC_COLOR4;
     else if (image.GetDepth() <= 8)
@@ -173,10 +177,10 @@ bool wxDragImage::Create(const wxIcon& image, const wxCursor& cursor)
         ImageList_Destroy(GetHimageList());
     m_hImageList = 0;
 
-    UINT flags = 0 ;
 #ifdef __WXWINCE__
-    flags = ILC_COLOR;
+    UINT flags = ILC_COLOR;
 #else
+    UINT flags wxDUMMY_INITIALIZE(0) ;
     if (image.GetDepth() <= 4)
         flags = ILC_COLOR4;
     else if (image.GetDepth() <= 8)
@@ -251,8 +255,9 @@ bool wxDragImage::Create(const wxTreeCtrl& treeCtrl, wxTreeItemId& id)
 {
     if ( m_hImageList )
         ImageList_Destroy(GetHimageList());
-    m_hImageList = (WXHIMAGELIST) TreeView_CreateDragImage((HWND) treeCtrl.GetHWND(), (HTREEITEM) (WXHTREEITEM) id);
-    return TRUE;
+    m_hImageList = (WXHIMAGELIST)
+        TreeView_CreateDragImage(GetHwndOf(&treeCtrl), (HTREEITEM) id.m_pItem);
+    return m_hImageList != 0;
 }
 #endif