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GTK2: Fix scrolling for mouse with horizontal wheel, issue #13997

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git-svn-id: trunk@20673 -
This commit is contained in:
martin 2009-06-19 20:43:06 +00:00
parent 87e4fec446
commit f510b1631f
1 changed files with 3 additions and 1 deletions
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4
lcl/interfaces/gtk2/gtk2wscontrols.pp
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@ -162,7 +162,9 @@ begin
AValue := power(Range^.adjustment^.page_size, 2 / 3);
if AEvent^.direction = GDK_SCROLL_UP then
if (AEvent^.direction = GDK_SCROLL_UP) or
(AEvent^.direction = GDK_SCROLL_LEFT)
then
AValue := -AValue;
AValue := gtk_range_get_value(Range) + AValue;