From 54daff0e979a17984d66b06db2adc292f55b7b14 Mon Sep 17 00:00:00 2001
From: Michael Drake <michael.drake@codethink.co.uk>
Date: Sat, 3 Aug 2019 14:04:36 +0100
Subject: RISC OS: y scroll is negative.

---
 frontends/riscos/corewindow.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/frontends/riscos/corewindow.c b/frontends/riscos/corewindow.c
index ecd2df221..6adfb03e7 100644
--- a/frontends/riscos/corewindow.c
+++ b/frontends/riscos/corewindow.c
@@ -846,8 +846,12 @@ ro_cw_scroll_visible(struct core_window *cw, const struct rect *r)
 		return;
 	}
 
-	state.xscroll = r->x0 * 2;
-	state.yscroll = r->y0 * 2;
+	/* TODO:
+	 * Scroll so the area is brought into view, not just the top left of
+	 * the rectangle.  See `nsgtk_cw_scroll_visible`.
+	 */
+	state.xscroll = -r->x0 * 2;
+	state.yscroll = -r->y0 * 2;
 
 	ro_cw_open(PTR_WIMP_OPEN(&state));
 }
-- 
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