Split pointer_focus and keyboard_focus into enter and leave events

protocol/wayland.xml

@@ -624,8 +624,8 @@
       <arg name="state" type="uint"/>
     </event>
 
-    <event name="pointer_focus">
-      <description summary="pointer focus change event">
+    <event name="pointer_enter">
+      <description summary="pointer enter event">
 	Notification that this input device's pointer is focused on
 	certain surface. When an input_device enters a surface, the
 	pointer image is undefined and a client should respond to this
@@ -638,12 +638,24 @@
       <arg name="surface_y" type="int"/>
     </event>
 
-    <event name="keyboard_focus">
+    <event name="pointer_leave">
+      <description summary="pointer leave event">
+      </description>
+      <arg name="time" type="uint"/>
+      <arg name="surface" type="object" interface="wl_surface"/>
+    </event>
+
+    <event name="keyboard_enter">
       <arg name="time" type="uint"/>
       <arg name="surface" type="object" interface="wl_surface"/>
       <arg name="keys" type="array"/>
     </event>
 
+    <event name="keyboard_leave">
+      <arg name="time" type="uint"/>
+      <arg name="surface" type="object" interface="wl_surface"/>
+    </event>
+
     <event name="touch_down">
       <arg name="time" type="uint"/>
       <arg name="surface" type="object" interface="wl_surface"/>

src/wayland-server.c

@@ -568,19 +568,17 @@ wl_input_device_set_pointer_focus(struct wl_input_device *device,
 	if (device->pointer_focus == surface)
 		return;
 
-	if (device->pointer_focus_resource &&
-	    (!surface ||
-	     device->pointer_focus->resource.client != surface->resource.client))
+	if (device->pointer_focus_resource) {
 		wl_resource_post_event(device->pointer_focus_resource,
-				       WL_INPUT_DEVICE_POINTER_FOCUS,
-				       time, NULL, 0, 0);
-	if (device->pointer_focus_resource)
+				       WL_INPUT_DEVICE_POINTER_LEAVE,
+				       time, device->pointer_focus);
 		wl_list_remove(&device->pointer_focus_listener.link);
+	}
 
 	resource = find_resource_for_surface(&device->resource_list, surface);
 	if (resource) {
 		wl_resource_post_event(resource,
-				       WL_INPUT_DEVICE_POINTER_FOCUS,
+				       WL_INPUT_DEVICE_POINTER_ENTER,
 				       time, surface, sx, sy);
 		wl_list_insert(resource->destroy_listener_list.prev,
 			       &device->pointer_focus_listener.link);
@@ -602,19 +600,17 @@ wl_input_device_set_keyboard_focus(struct wl_input_device *device,
 	if (device->keyboard_focus == surface)
 		return;
 
-	if (device->keyboard_focus_resource &&
-	    (!surface ||
-	     device->keyboard_focus->resource.client != surface->resource.client))
+	if (device->keyboard_focus_resource) {
 		wl_resource_post_event(device->keyboard_focus_resource,
-				       WL_INPUT_DEVICE_KEYBOARD_FOCUS,
-				       time, NULL, &device->keys);
-	if (device->keyboard_focus_resource)
+				       WL_INPUT_DEVICE_KEYBOARD_LEAVE,
+				       time, device->keyboard_focus);
 		wl_list_remove(&device->keyboard_focus_listener.link);
+	}
 
 	resource = find_resource_for_surface(&device->resource_list, surface);
 	if (resource) {
 		wl_resource_post_event(resource,
-				       WL_INPUT_DEVICE_KEYBOARD_FOCUS,
+				       WL_INPUT_DEVICE_KEYBOARD_ENTER,
 				       time, surface, &device->keys);
 		wl_list_insert(resource->destroy_listener_list.prev,
 			       &device->keyboard_focus_listener.link);