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server: Trigger a repaint on layered windows the first time the attributes are set.

This commit is contained in:
Alexandre Julliard 2013-09-14 13:53:08 +02:00
parent 24fa9a2cde
commit f9c76be084
1 changed files with 4 additions and 0 deletions
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4
server/window.c
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@ -2794,12 +2794,16 @@ DECL_HANDLER(set_window_layered_info)
if (win->ex_style & WS_EX_LAYERED)
{
int was_layered = win->is_layered;
if (req->flags & LWA_ALPHA) win->alpha = req->alpha;
else if (!win->is_layered) win->alpha = 0; /* alpha init value is 0 */
win->color_key = req->color_key;
win->layered_flags = req->flags;
win->is_layered = 1;
/* repaint since we know now it's not going to use UpdateLayeredWindow */
if (!was_layered) redraw_window( win, 0, 1, RDW_INVALIDATE | RDW_ERASE | RDW_FRAME );
}
else set_win32_error( ERROR_INVALID_WINDOW_HANDLE );
}