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static control: Better STM_GETIMAGE.

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STM_GETIMAGE returns NULL if the given image type doesn't match the
control's style.
This commit is contained in:
Michael Kaufmann 2006-01-17 16:05:25 +01:00 committed by Alexandre Julliard
parent 46d007cedb
commit 2b8cda7162
1 changed files with 29 additions and 5 deletions
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34
dlls/user/static.c
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@ -200,6 +200,32 @@ static HENHMETAFILE STATIC_SetEnhMetaFile( HWND hwnd, HENHMETAFILE hEnhMetaFile,
return (HENHMETAFILE)SetWindowLongPtrW( hwnd, HICON_GWL_OFFSET, (LONG_PTR)hEnhMetaFile );
}
/***********************************************************************
* STATIC_GetImage
*
* Gets the bitmap for an SS_BITMAP control, the icon/cursor for an
* SS_ICON control or the enhanced metafile for an SS_ENHMETAFILE control.
*/
static HANDLE STATIC_GetImage( HWND hwnd, WPARAM wParam, DWORD style )
{
switch(style & SS_TYPEMASK)
{
case SS_ICON:
if ((wParam != IMAGE_ICON) &&
(wParam != IMAGE_CURSOR)) return NULL;
break;
case SS_BITMAP:
if (wParam != IMAGE_BITMAP) return NULL;
break;
case SS_ENHMETAFILE:
if (wParam != IMAGE_ENHMETAFILE) return NULL;
break;
default:
return NULL;
}
return (HANDLE)GetWindowLongPtrW( hwnd, HICON_GWL_OFFSET );
}
/***********************************************************************
* STATIC_LoadIconA
*
@ -473,13 +499,11 @@ static LRESULT StaticWndProc_common( HWND hwnd, UINT uMsg, WPARAM wParam,
return 0;
case STM_GETIMAGE:
/* FIXME: Return NULL if wParam doesn't match the control's style.
wParam is IMAGE_BITMAP, IMAGE_CURSOR, IMAGE_ENHMETAFILE
or IMAGE_ICON */
return (LRESULT)STATIC_GetImage( hwnd, wParam, full_style );
case STM_GETICON16:
case STM_GETICON:
/* FIXME: Return NULL if this control doesn't show an icon */
return GetWindowLongPtrW( hwnd, HICON_GWL_OFFSET );
return (LRESULT)STATIC_GetImage( hwnd, IMAGE_ICON, full_style );
case STM_SETIMAGE:
switch(wParam) {