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Diffstat (limited to 'src/gui/fpg_tree.pas')
-rw-r--r--src/gui/fpg_tree.pas1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/gui/fpg_tree.pas b/src/gui/fpg_tree.pas
index 00ab6c8e..30305b04 100644
--- a/src/gui/fpg_tree.pas
+++ b/src/gui/fpg_tree.pas
@@ -1232,6 +1232,7 @@ begin
FVScrollbar.Min := 0;
FVScrollbar.Max := (GetNodeHeightSum * GetNodeHeight) - VisibleHeight + FHScrollbar.Height;
FVScrollbar.PageSize := (VisibleHeight div 4) * 3; // three quarters of the height
+ FVScrollbar.ScrollStep := GetNodeHeight; // up/down buttons move the height of the font
FHScrollbar.Min := 0;
FHScrollbar.Max := MaxNodeWidth - VisibleWidth + FVScrollbar.Width;
FHScrollbar.PageSize := (VisibleWidth div 4) * 3; // three quarters of the height