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-rw-r--r--riscos/treeview.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/riscos/treeview.c b/riscos/treeview.c
index 4cf3d425e..0c16626ad 100644
--- a/riscos/treeview.c
+++ b/riscos/treeview.c
@@ -435,14 +435,15 @@ void ro_treeview_redraw_loop(wimp_draw *redraw, ro_treeview *tv, osbool more)
};
while (more) {
- ro_plot_origin_x = redraw->box.x0 + tv->origin.x -
- redraw->xscroll;
- ro_plot_origin_y = redraw->box.y1 + tv->origin.y -
- redraw->yscroll;
if (tv != NULL && tv->tree != NULL) {
struct rect clip;
+ ro_plot_origin_x = redraw->box.x0 + tv->origin.x -
+ redraw->xscroll;
+ ro_plot_origin_y = redraw->box.y1 + tv->origin.y -
+ redraw->yscroll;
+
clip.x0 = (redraw->clip.x0 - ro_plot_origin_x) / 2;
clip.y0 = (ro_plot_origin_y - redraw->clip.y1) / 2;