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Commit 3f266610 authored by Gabriel Ivăncescu's avatar Gabriel Ivăncescu Committed by Alexandre Julliard
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comctl32/listbox: Fix scrolling for multi-column listboxes.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=38565Signed-off-by: 's avatarGabriel Ivăncescu <gabrielopcode@gmail.com> Signed-off-by: 's avatarNikolay Sivov <nsivov@codeweavers.com> Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent 470ea0d5
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Showing with 6 additions and 7 deletions
dlls/comctl32/listbox.c
View file @ 3f266610
......@@ -275,28 +275,27 @@ static LRESULT LISTBOX_SetTopItem( LB_DESCR *descr, INT index, BOOL scroll )
if (descr->top_item == index) return LB_OKAY;
if (scroll)
{
INT diff;
INT dx = 0, dy = 0;
if (descr->style & LBS_MULTICOLUMN)
diff = (descr->top_item - index) / descr->page_size * descr->column_width;
dx = (descr->top_item - index) / descr->page_size * descr->column_width;
else if (descr->style & LBS_OWNERDRAWVARIABLE)
{
INT i;
diff = 0;
if (index > descr->top_item)
{
for (i = index - 1; i >= descr->top_item; i--)
diff -= descr->items[i].height;
dy -= descr->items[i].height;
}
else
{
for (i = index; i < descr->top_item; i++)
diff += descr->items[i].height;
dy += descr->items[i].height;
}
}
else
diff = (descr->top_item - index) * descr->item_height;
dy = (descr->top_item - index) * descr->item_height;
ScrollWindowEx( descr->self, 0, diff, NULL, NULL, 0, NULL,
ScrollWindowEx( descr->self, dx, dy, NULL, NULL, 0, NULL,
SW_INVALIDATE | SW_ERASE | SW_SCROLLCHILDREN );
}
else
......
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