(blind) fix for keyboard cues display under XP (bug 1298512)

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

diff --git a/src/msw/imaglist.cpp b/src/msw/imaglist.cpp
index af74e0328f5f17e981d5f731e5b138f39f047284..39c071e1fdb390225b75e52737062fdc351d48aa 100644 (file)
--- a/src/msw/imaglist.cpp
+++ b/src/msw/imaglist.cpp
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "imaglist.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -42,6 +38,7 @@
 
 #include "wx/log.h"
 #include "wx/intl.h"
+#include "wx/image.h"
 
 #include "wx/msw/imaglist.h"
 #include "wx/msw/private.h"
@@ -90,11 +87,11 @@ bool wxImageList::Create(int width, int height, bool mask, int initial)
 #else
     int dd = wxDisplayDepth();
 
-    if (dd <= 4)       flags |= ILC_COLOR;     // 16 color
-    else if (dd <= 8)  flags |= ILC_COLOR8;    // 256 color
-    else if (dd <= 16) flags |= ILC_COLOR16;   // 64k hi-color
-    else if (dd <= 24) flags |= ILC_COLOR24;   // 16m truecolor
-    else if (dd <= 32) flags |= ILC_COLOR32;   // 16m truecolor
+    if (dd <= 4)       flags |= ILC_COLOR;   // 16 color
+    else if (dd <= 8)  flags |= ILC_COLOR8;  // 256 color
+    else if (dd <= 16) flags |= ILC_COLOR16; // 64k hi-color
+    else if (dd <= 24) flags |= ILC_COLOR24; // 16m truecolor
+    else if (dd <= 32) flags |= ILC_COLOR32; // 16m truecolor
 #endif
 
     if ( mask )
@@ -202,7 +199,7 @@ bool wxImageList::Replace(int index,
                                 GetHbitmapOf(bitmap), hbmpMask) != 0;
     if ( !ok )
     {
-        wxLogLastError(wxT("ImageList_Add()"));
+        wxLogLastError(wxT("ImageList_Replace()"));
     }
 
     ::DeleteObject(hbmpMask);
@@ -246,11 +243,11 @@ bool wxImageList::RemoveAll()
         (void)Remove(0);
     }
 
-    return TRUE;
+    return true;
 }
 
 // Draws the given image on a dc at the specified position.
-// If 'solidBackground' is TRUE, Draw sets the image list background
+// If 'solidBackground' is true, Draw sets the image list background
 // colour to the background colour of the wxDC, to speed up
 // drawing by eliminating masked drawing where possible.
 bool wxImageList::Draw(int index,
@@ -260,7 +257,7 @@ bool wxImageList::Draw(int index,
                        bool solidBackground)
 {
     HDC hDC = GetHdcOf(dc);
-    wxCHECK_MSG( hDC, FALSE, _T("invalid wxDC in wxImageList::Draw") );
+    wxCHECK_MSG( hDC, false, _T("invalid wxDC in wxImageList::Draw") );
 
     COLORREF clr = CLR_NONE;    // transparent by default
     if ( solidBackground )
@@ -293,6 +290,62 @@ bool wxImageList::Draw(int index,
     return ok;
 }
 
+// Get the bitmap
+wxBitmap wxImageList::GetBitmap(int index) const
+{
+    int bmp_width = 0, bmp_height = 0;
+    GetSize(index, bmp_width, bmp_height);
+
+    wxBitmap bitmap(bmp_width, bmp_height);
+    wxMemoryDC dc;
+    dc.SelectObject(bitmap);
+
+    // draw it the first time to find a suitable mask colour
+    ((wxImageList*)this)->Draw(index, dc, 0, 0, wxIMAGELIST_DRAW_TRANSPARENT);
+    dc.SelectObject(wxNullBitmap);
+
+    // find the suitable mask colour
+    wxImage image = bitmap.ConvertToImage();
+    unsigned char r = 0, g = 0, b = 0;
+    image.FindFirstUnusedColour(&r, &g, &b);
+
+    // redraw whole image and bitmap in the mask colour
+    image.Create(bmp_width, bmp_height);
+    image.Replace(0, 0, 0, r, g, b);
+    bitmap = wxBitmap(image);
+
+    // redraw icon over the mask colour to actually draw it
+    dc.SelectObject(bitmap);
+    ((wxImageList*)this)->Draw(index, dc, 0, 0, wxIMAGELIST_DRAW_TRANSPARENT);
+    dc.SelectObject(wxNullBitmap);
+
+    // get the image, set the mask colour and convert back to get transparent bitmap
+    image = bitmap.ConvertToImage();
+    image.SetMaskColour(r, g, b);
+    bitmap = wxBitmap(image);
+    
+    return bitmap;
+}
+
+// Get the icon
+wxIcon wxImageList::GetIcon(int index) const
+{
+    HICON hIcon = ImageList_ExtractIcon(0, GetHImageList(), index);
+    if (hIcon)
+    {
+        wxIcon icon;
+        icon.SetHICON((WXHICON)hIcon);
+        
+        int iconW, iconH;
+        GetSize(index, iconW, iconH);
+        icon.SetSize(iconW, iconH);
+        
+        return icon;
+    }
+    else               
+        return wxNullIcon;
+}
+
 // ----------------------------------------------------------------------------
 // helpers
 // ----------------------------------------------------------------------------
@@ -301,7 +354,7 @@ static HBITMAP GetMaskForImage(const wxBitmap& bitmap, const wxBitmap& mask)
 {
     HBITMAP hbmpMask;
     wxMask *pMask;
-    bool deleteMask = FALSE;
+    bool deleteMask = false;
 
     if ( mask.Ok() )
     {
@@ -322,7 +375,7 @@ static HBITMAP GetMaskForImage(const wxBitmap& bitmap, const wxBitmap& mask)
 
             pMask = new wxMask(bitmap, col);
 
-            deleteMask = TRUE;
+            deleteMask = true;
         }
 
         hbmpMask = (HBITMAP)pMask->GetMaskBitmap();