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Don't feed negative values to the scroller

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svn path=/trunk/netsurf/; revision=10909
This commit is contained in:
Chris Young 2010-10-25 17:26:34 +00:00
parent 3529ead319
commit c07c79cc5e
1 changed files with 8 additions and 2 deletions
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10
amiga/tree.c
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@ -248,12 +248,18 @@ void ami_tree_scroll(struct treeview_window *twin, int sx, int sy)
GetAttr(SCROLLER_Top, twin->objects[OID_HSCROLL], (ULONG *)&x);
GetAttr(SCROLLER_Top, twin->objects[OID_VSCROLL], (ULONG *)&y);
x += sx;
y += sy;
if(y < 0) y = 0;
if(x < 0) x = 0;
RefreshSetGadgetAttrs((APTR)twin->objects[OID_VSCROLL], twin->win, NULL,
SCROLLER_Top, y + sy,
SCROLLER_Top, y,
TAG_DONE);
RefreshSetGadgetAttrs((APTR)twin->objects[OID_HSCROLL], twin->win, NULL,
SCROLLER_Top, x + sx,
SCROLLER_Top, x,
TAG_DONE);
ami_tree_draw(twin);