From 5536031bfb7d70b462e65406bcae2a35738a9485 Mon Sep 17 00:00:00 2001
From: Pekka Paalanen <ppaalanen@gmail.com>
Date: Tue, 14 Feb 2012 11:00:12 +0200
Subject: [PATCH] protocol: remove absolute coordinates from pointer

Remove the absolute coordinate fields from the pointer motion and
pointer_focus events. Clients are not supposed to see any global
coordinates.

Fix wayland-server code accordingly. wayland-client code is unaffected.

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
---
 protocol/wayland.xml |  9 ++-------
 src/wayland-server.c | 12 ++++--------
 src/wayland-server.h |  1 -
 3 files changed, 6 insertions(+), 16 deletions(-)

diff --git a/protocol/wayland.xml b/protocol/wayland.xml
index 45e860a..a40e4b0 100644
--- a/protocol/wayland.xml
+++ b/protocol/wayland.xml
@@ -594,14 +594,11 @@
 
     <event name="motion">
       <description summary="pointer motion event">
-	Notification of pointer location change.  x,y are the absolute
-	location on the screen.  surface_[xy] are the location
-	relative to the focused surface.
+	Notification of pointer location change. The arguments surface_[xy]
+	are the location relative to the focused surface.
       </description>
 
       <arg name="time" type="uint"/>
-      <arg name="x" type="int"/>
-      <arg name="y" type="int"/>
       <arg name="surface_x" type="int"/>
       <arg name="surface_y" type="int"/>
     </event>
@@ -637,8 +634,6 @@
 
       <arg name="time" type="uint"/>
       <arg name="surface" type="object" interface="wl_surface"/>
-      <arg name="x" type="int"/>
-      <arg name="y" type="int"/>
       <arg name="surface_x" type="int"/>
       <arg name="surface_y" type="int"/>
     </event>
diff --git a/src/wayland-server.c b/src/wayland-server.c
index 70adf28..8239291 100644
--- a/src/wayland-server.c
+++ b/src/wayland-server.c
@@ -421,21 +421,19 @@ default_grab_focus(struct wl_grab *grab, uint32_t time,
 	if (device->button_count > 0)
 		return;
 
-	wl_input_device_set_pointer_focus(device, surface, time,
-					  device->x, device->y, x, y);
+	wl_input_device_set_pointer_focus(device, surface, time, x, y);
 }
 
 static void
 default_grab_motion(struct wl_grab *grab,
 		    uint32_t time, int32_t x, int32_t y)
 {
-	struct wl_input_device *device = grab->input_device;
 	struct wl_resource *resource;
 
 	resource = grab->input_device->pointer_focus_resource;
 	if (resource)
 		wl_resource_post_event(resource, WL_INPUT_DEVICE_MOTION,
-				       time, device->x, device->y, x, y);
+				       time, x, y);
 }
 
 static void
@@ -453,7 +451,6 @@ default_grab_button(struct wl_grab *grab,
 	if (device->button_count == 0 && state == 0)
 		wl_input_device_set_pointer_focus(device,
 						  device->current, time,
-						  device->x, device->y,
 						  device->current_x,
 						  device->current_y);
 }
@@ -519,7 +516,6 @@ WL_EXPORT void
 wl_input_device_set_pointer_focus(struct wl_input_device *device,
 				  struct wl_surface *surface,
 				  uint32_t time,
-				  int32_t x, int32_t y,
 				  int32_t sx, int32_t sy)
 {
 	struct wl_resource *resource;
@@ -532,7 +528,7 @@ wl_input_device_set_pointer_focus(struct wl_input_device *device,
 	     device->pointer_focus->resource.client != surface->resource.client))
 		wl_resource_post_event(device->pointer_focus_resource,
 				       WL_INPUT_DEVICE_POINTER_FOCUS,
-				       time, NULL, 0, 0, 0, 0);
+				       time, NULL, 0, 0);
 	if (device->pointer_focus_resource)
 		wl_list_remove(&device->pointer_focus_listener.link);
 
@@ -540,7 +536,7 @@ wl_input_device_set_pointer_focus(struct wl_input_device *device,
 	if (resource) {
 		wl_resource_post_event(resource,
 				       WL_INPUT_DEVICE_POINTER_FOCUS,
-				       time, surface, x, y, sx, sy);
+				       time, surface, sx, sy);
 		wl_list_insert(resource->destroy_listener_list.prev,
 			       &device->pointer_focus_listener.link);
 	}
diff --git a/src/wayland-server.h b/src/wayland-server.h
index 0bc6c7a..616df3b 100644
--- a/src/wayland-server.h
+++ b/src/wayland-server.h
@@ -269,7 +269,6 @@ void
 wl_input_device_set_pointer_focus(struct wl_input_device *device,
 				  struct wl_surface *surface,
 				  uint32_t time,
-				  int32_t x, int32_t y,
 				  int32_t sx, int32_t sy);
 
 void
-- 
2.7.4