comctl32/listbox: Update the size in SetColumnWidth before calling UpdatePage.

Some applications don't forward WM_SIZE from DefWindowProc to the control, but instead only send a LB_SETCOLUMNWIDTH message, even when the column width doesn't change (but the listbox size does). Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=22440Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com> Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

comctl32/listbox: Update the size in SetColumnWidth before calling UpdatePage.
bb116577 · Gabriel Ivăncescu · Alexandre Julliard · ce11b1bf · bb116577
Commit bb116577 authored Sep 05, 2018 by Gabriel Ivăncescu Committed by Alexandre Julliard Sep 07, 2018
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listbox.c dlls/comctl32/listbox.c +12 -5

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--- a/dlls/comctl32/listbox.c
+++ b/dlls/comctl32/listbox.c
@@ -1257,12 +1257,19 @@ static LRESULT LISTBOX_SetHorizontalExtent( LB_DESCR *descr, INT extent )
 /***********************************************************************
 *           LISTBOX_SetColumnWidth
 */
-static LRESULT LISTBOX_SetColumnWidth( LB_DESCR *descr, INT width)
+static LRESULT LISTBOX_SetColumnWidth( LB_DESCR *descr, INT column_width)
 {
-    if (width == descr->column_width) return LB_OKAY;
-    TRACE("[%p]: new column width = %d\n", descr->self, width );
-    descr->column_width = width;
-    LISTBOX_UpdatePage( descr );
+    RECT rect;
+
+    TRACE("[%p]: new column width = %d\n", descr->self, column_width);
+
+    GetClientRect(descr->self, &rect);
+    descr->width = rect.right - rect.left;
+    descr->height = rect.bottom - rect.top;
+    descr->column_width = column_width;
+
+    LISTBOX_UpdatePage(descr);
+    LISTBOX_UpdateScroll(descr);
    return LB_OKAY;
 }