user32: Fix calculation of listbox size when horizontal scrollbar is present.

Signed-off-by: Michael Müller <michael@fds-team.de>

user32: Fix calculation of listbox size when horizontal scrollbar is present.
1b0f95d7 · Michael Müller · Vitaly Lipatov · 8d817f7c · 1b0f95d7
Commit 1b0f95d7 authored Sep 27, 2015 by Michael Müller Committed by Vitaly Lipatov Jul 30, 2022
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listbox.c dlls/user32/listbox.c +3 -0

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--- a/dlls/user32/listbox.c
+++ b/dlls/user32/listbox.c
@@ -479,8 +479,11 @@ static void LISTBOX_UpdatePage( LB_DESCR *descr )
 static void LISTBOX_UpdateSize( LB_DESCR *descr )
 {
    RECT rect;
+    LONG style = GetWindowLongW( descr->self, GWL_STYLE );

    GetClientRect( descr->self, &rect );
+    if (style & WS_HSCROLL)
+        rect.bottom += GetSystemMetrics(SM_CYHSCROLL);
    descr->width  = rect.right - rect.left;
    descr->height = rect.bottom - rect.top;
    if (!(descr->style & LBS_NOINTEGRALHEIGHT) && !(descr->style & LBS_OWNERDRAWVARIABLE))