From a19d18f9c68ebe962731964f177427a1c16b7ca8 Mon Sep 17 00:00:00 2001 From: Peter Hutterer Date: Tue, 7 Mar 2017 16:37:55 +1000 Subject: [PATCH] tablet: add assert that deltas are always 0 The tablet axis struct has a delta field that's only useful for the events, not for our internal axis handling. Make sure we never set it to anything nonzero. Signed-off-by: Peter Hutterer Acked-by: Ping Cheng --- src/evdev-tablet.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/evdev-tablet.c b/src/evdev-tablet.c index 11205981..413fb42f 100644 --- a/src/evdev-tablet.c +++ b/src/evdev-tablet.c @@ -1479,6 +1479,9 @@ tablet_send_events(struct tablet_dispatch *tablet, tablet_check_notify_axes(tablet, device, tool, &axes, time); } + assert(tablet->axes.delta.x == 0); + assert(tablet->axes.delta.y == 0); + tablet_send_proximity_in(tablet, tool, device, &axes, time); if (!tablet_send_tip(tablet, tool, device, &axes, time)) tablet_send_axes(tablet, tool, device, &axes, time);