add keys array param to seat keyboard enter

examples/compositor.c

@@ -129,7 +129,10 @@ static void example_set_focused_surface(struct sample_state *sample,
 	}
 
 	if (surface) {
-		wlr_seat_keyboard_enter(sample->wl_seat, surface->surface);
+		// TODO: send array of currently pressed keys
+		struct wl_array keys;
+		wl_array_init(&keys);
+		wlr_seat_keyboard_enter(sample->wl_seat, surface->surface, keys);
 	} else {
 		wlr_seat_keyboard_clear_focus(sample->wl_seat);
 	}

include/wlr/types/wlr_seat.h

@@ -128,10 +128,10 @@ void wlr_seat_pointer_send_axis(struct wlr_seat *wlr_seat, uint32_t time,
 /**
  * Send a keyboard enter event to the given surface and consider it to be the
  * focused surface for the keyboard. This will send a leave event to the last
- * surface that was entered.
+ * surface that was entered. Pass an array of currently pressed keys.
  */
 void wlr_seat_keyboard_enter(struct wlr_seat *wlr_seat,
-		struct wlr_surface *surface);
+		struct wlr_surface *surface, struct wl_array keys);
 
 /**
  * Clear the focused surface for the keyboard and leave all entered surfaces.

types/wlr_seat.c

@@ -414,7 +414,7 @@ static void handle_keyboard_focus_resource_destroyed(
 }
 
 void wlr_seat_keyboard_enter(struct wlr_seat *wlr_seat,
-		struct wlr_surface *surface) {
+		struct wlr_surface *surface, struct wl_array keys) {
 	if (wlr_seat->keyboard_state.focused_surface == surface) {
 		// this surface already got an enter notify
 		return;
@@ -442,9 +442,6 @@ void wlr_seat_keyboard_enter(struct wlr_seat *wlr_seat,
 	// enter the current surface
 	if (handle && handle->keyboard) {
 		uint32_t serial = wl_display_next_serial(wlr_seat->display);
-		// TODO: send currently pressed keys
-		struct wl_array keys;
-		wl_array_init(&keys);
 		wl_keyboard_send_enter(handle->keyboard, serial,
 			surface->resource, &keys);
 
@@ -475,7 +472,9 @@ void wlr_seat_keyboard_enter(struct wlr_seat *wlr_seat,
 }
 
 void wlr_seat_keyboard_clear_focus(struct wlr_seat *wlr_seat) {
-	wlr_seat_keyboard_enter(wlr_seat, NULL);
+	struct wl_array keys;
+	wl_array_init(&keys);
+	wlr_seat_keyboard_enter(wlr_seat, NULL, keys);
 }
 
 static bool wlr_seat_keyboard_has_focus_resource(struct wlr_seat *wlr_seat) {