From 21ed660f30a3f96c787ab00a16499e0fb034b2ad Mon Sep 17 00:00:00 2001
From: Chris Humbert <freedesktop@mahadri.com>
Date: Fri, 7 May 2010 17:02:43 +1000
Subject: [PATCH] dix: make DeviceEvent coordinates signed for Xinerama. #24986
With Xinerama enabled, event coordinates are relative to Screen 0, so
they can be negative. The new DeviceEvent's coordinates are of type
uint16_t, making screens above and to the left of Screen 0 unusable.
X.Org Bug 24986 <https://bugs.freedesktop.org/show_bug.cgi?id=24986>
Signed-off-by: Chris Humbert <freedesktop@mahadri.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
include/eventstr.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/eventstr.h b/include/eventstr.h
index 79685c1..433227e 100644
--- a/include/eventstr.h
+++ b/include/eventstr.h
@@ -91,9 +91,9 @@ struct _DeviceEvent
uint32_t button; /**< Button number */
uint32_t key; /**< Key code */
} detail;
- uint16_t root_x; /**< Pos relative to root window in integral data */
+ int16_t root_x; /**< Pos relative to root window in integral data */
float root_x_frac; /**< Pos relative to root window in frac part */
- uint16_t root_y; /**< Pos relative to root window in integral part */
+ int16_t root_y; /**< Pos relative to root window in integral part */
float root_y_frac; /**< Pos relative to root window in frac part */
uint8_t buttons[(MAX_BUTTONS + 7)/8]; /**< Button mask */
struct {
--
1.7.0.1