[PATCH] weston: release keyboard/touch/pointer objects

[David FORT]

This patch adds the missing calls to release when the seat has capabilities
changes. It also fixes a missing release of the touch object.
---
 clients/window.c | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/clients/window.c b/clients/window.c
index 47a79aa..7469259 100644
--- a/clients/window.c
+++ b/clients/window.c
@@ -79,6 +79,10 @@ typedef void *EGLContext;
 #include "ivi-application-client-protocol.h"
 #define IVI_SURFACE_ID 9000
 
+#define WL_KEYBOARD_RELEASE_SINCE_VERSION 3
+#define WL_POINTER_RELEASE_SINCE_VERSION 3
+#define WL_TOUCH_RELEASE_SINCE_VERSION 3
+
 struct shm_pool;
 
 struct global {
@@ -3256,7 +3260,10 @@ seat_handle_capabilities(void *data, struct wl_seat *seat,
 		wl_pointer_add_listener(input->pointer, &pointer_listener,
 					input);
 	} else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && input->pointer) {
-		wl_pointer_destroy(input->pointer);
+		if (input->display->seat_version >= WL_POINTER_RELEASE_SINCE_VERSION)
+			wl_pointer_release(input->pointer);
+		else
+			wl_pointer_destroy(input->pointer);
 		input->pointer = NULL;
 	}
 
@@ -3266,7 +3273,10 @@ seat_handle_capabilities(void *data, struct wl_seat *seat,
 		wl_keyboard_add_listener(input->keyboard, &keyboard_listener,
 					 input);
 	} else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && input->keyboard) {
-		wl_keyboard_destroy(input->keyboard);
+		if (input->display->seat_version >= WL_KEYBOARD_RELEASE_SINCE_VERSION)
+			wl_keyboard_release(input->keyboard);
+		else
+			wl_keyboard_destroy(input->keyboard);
 		input->keyboard = NULL;
 	}
 
@@ -3275,7 +3285,10 @@ seat_handle_capabilities(void *data, struct wl_seat *seat,
 		wl_touch_set_user_data(input->touch, input);
 		wl_touch_add_listener(input->touch, &touch_listener, input);
 	} else if (!(caps & WL_SEAT_CAPABILITY_TOUCH) && input->touch) {
-		wl_touch_destroy(input->touch);
+		if (input->display->seat_version >= WL_TOUCH_RELEASE_SINCE_VERSION)
+			wl_touch_release(input->touch);
+		else
+			wl_touch_destroy(input->touch);
 		input->touch = NULL;
 	}
 }
@@ -5269,7 +5282,9 @@ input_destroy(struct input *input)
 		else
 			wl_data_device_destroy(input->data_device);
 	}
-	if (input->display->seat_version >= 3) {
+	if (input->display->seat_version >= WL_POINTER_RELEASE_SINCE_VERSION) {
+		if (input->touch)
+			wl_touch_release(input->touch);
 		if (input->pointer)
 			wl_pointer_release(input->pointer);
 		if (input->keyboard)
-- 
1.9.1