Feed button events through compositor.

This also generalizes the code to send events to a surface a bit.

egl-compositor.c

@@ -758,8 +758,8 @@ notify_pointer_motion(struct wl_compositor *compositor,
 	if (es) {
 		sx = (x - es->map.x) * es->width / es->map.width;
 		sy = (y - es->map.y) * es->height / es->map.height;
-		wl_display_post_surface_motion(ec->wl_display, es->wl_surface, 
-					       source, x, y, sx, sy);
+		wl_surface_post_event(es->wl_surface, source,
+				      WL_INPUT_MOTION, x, y, sx, sy);
 	}
 
 	ec->pointer->map.x = x - hotspot_x;
@@ -784,6 +784,10 @@ notify_pointer_button(struct wl_compositor *compositor,
 	if (es) {
 		wl_list_remove(&es->link);
 		wl_list_insert(ec->surface_list.prev, &es->link);
+
+		/* FIXME: Swallow click on raise? */
+		wl_surface_post_event(es->wl_surface, source, 
+				      WL_INPUT_BUTTON, button, state);
 	}
 
 	schedule_repaint(ec);

evdev.c

@@ -42,10 +42,18 @@ struct wl_input_device {
 static const struct wl_method input_device_methods[] = {
 };
 
+static const struct wl_event input_device_events[] = {
+	{ "motion", "ii" },
+	{ "button", "uu" },
+	{ "key", "uu" },
+};
+
 static const struct wl_interface input_device_interface = {
 	"input_device", 1,
 	ARRAY_LENGTH(input_device_methods),
 	input_device_methods,
+	ARRAY_LENGTH(input_device_events),
+	input_device_events,
 };
 
 static void wl_input_device_data(int fd, uint32_t mask, void *data)

wayland.c

@@ -212,13 +212,12 @@ void
 wl_client_destroy(struct wl_client *client);
 
 static void
-wl_client_marshal(struct wl_client *client, struct wl_object *sender,
-		  uint32_t opcode, ...)
+wl_client_vmarshal(struct wl_client *client, struct wl_object *sender,
+		   uint32_t opcode, va_list ap)
 {
 	const struct wl_event *event;
 	struct wl_object *object;
 	uint32_t args[10], size;
-	va_list ap;
 	int i, count;
 
 	event = &sender->interface->events[opcode];
@@ -226,7 +225,6 @@ wl_client_marshal(struct wl_client *client, struct wl_object *sender,
 	assert(count <= ARRAY_LENGTH(args));
 
 	size = 0;
-	va_start(ap, opcode);
 	for (i = 2; i < count; i++) {
 		switch (event->signature[i - 2]) {
 		case 'u':
@@ -249,7 +247,6 @@ wl_client_marshal(struct wl_client *client, struct wl_object *sender,
 			break;
 		}
 	}
-	va_end(ap);
 
 	size += 2 * sizeof args[0];
 	args[0] = sender->id;
@@ -257,6 +254,17 @@ wl_client_marshal(struct wl_client *client, struct wl_object *sender,
 	wl_connection_write(client->connection, args, size);
 }
 
+static void
+wl_client_marshal(struct wl_client *client, struct wl_object *sender,
+		  uint32_t opcode, ...)
+{
+	va_list ap;
+
+	va_start(ap, opcode);
+	wl_client_vmarshal(client, sender, opcode, ap);
+	va_end(ap);
+}
+
 static void
 wl_client_demarshal(struct wl_client *client, struct wl_object *target,
 		    const struct wl_method *method, size_t size)
@@ -628,26 +636,16 @@ wl_display_send_event(struct wl_display *display, uint32_t *data, size_t size)
 	}
 }
 
-#define WL_INPUT_MOTION 0
-#define WL_INPUT_BUTTON 1
-#define WL_INPUT_KEY 2
-
 WL_EXPORT void
-wl_display_post_surface_motion(struct wl_display *display,
-			       struct wl_surface *surface,
-			       struct wl_object *source,
-			       int32_t x, int32_t y, int32_t sx, int32_t sy)
+wl_surface_post_event(struct wl_surface *surface,
+		      struct wl_object *sender,
+		      uint32_t event, ...)
 {
-	uint32_t p[6];
-
-	p[0] = source->id;
-	p[1] = (sizeof p << 16) | WL_INPUT_MOTION;
-	p[2] = x;
-	p[3] = y;
-	p[4] = sx;
-	p[5] = sy;
+	va_list ap;
 
-	wl_connection_write(surface->client->connection, p, sizeof p);
+	va_start(ap, event);
+	wl_client_vmarshal(surface->client, sender, event, ap);
+	va_end(ap);
 }
 
 WL_EXPORT void
@@ -683,18 +681,10 @@ wl_display_post_button_event(struct wl_display *display,
 			     struct wl_object *source, int button, int state)
 {
 	const struct wl_compositor_interface *interface;
-	uint32_t p[4];
 
 	interface = display->compositor->interface;
 	interface->notify_pointer_button(display->compositor, source,
 					 button, state);
-
-	p[0] = source->id;
-	p[1] = (sizeof p << 16) | WL_INPUT_BUTTON;
-	p[2] = button;
-	p[3] = state;
-
-	wl_display_send_event(display, p, sizeof p);
 }
 
 WL_EXPORT void

wayland.h

@@ -135,11 +135,15 @@ wl_display_post_key_event(struct wl_display *display,
 void
 wl_display_post_frame(struct wl_display *display,
 		      uint32_t frame, uint32_t msecs);
+
+#define WL_INPUT_MOTION 0
+#define WL_INPUT_BUTTON 1
+#define WL_INPUT_KEY 2
+
 void
-wl_display_post_surface_motion(struct wl_display *display,
-			       struct wl_surface *surface,
-			       struct wl_object *source,
-			       int x, int y, int sx, int sy);
+wl_surface_post_event(struct wl_surface *surface,
+		      struct wl_object *sender,
+		      uint32_t event, ...);
 
 struct wl_compositor {
 	const struct wl_compositor_interface *interface;