ipc: add window::mark event

include/sway/tree/view.h

@@ -311,6 +311,8 @@ void view_clear_marks(struct sway_view *view);
 
 bool view_has_mark(struct sway_view *view, char *mark);
 
+void view_add_mark(struct sway_view *view, char *mark);
+
 void view_update_marks_textures(struct sway_view *view);
 
 /**

sway/commands/mark.c

@@ -58,7 +58,7 @@ struct cmd_results *cmd_mark(int argc, char **argv) {
 	view_find_and_unmark(mark);
 
 	if (!toggle || !had_mark) {
-		list_add(view->marks, strdup(mark));
+		view_add_mark(view, mark);
 	}
 
 	free(mark);

sway/ipc-json.c

@@ -201,6 +201,15 @@ static void ipc_json_describe_view(struct sway_container *c, json_object *object
 	bool urgent = c->type == C_VIEW ?
 		view_is_urgent(c->sway_view) : container_has_urgent_child(c);
 	json_object_object_add(object, "urgent", json_object_new_boolean(urgent));
+
+	if (c->type == C_VIEW) {
+		json_object *marks = json_object_new_array();
+		list_t *view_marks = c->sway_view->marks;
+		for (int i = 0; i < view_marks->length; ++i) {
+			json_object_array_add(marks, json_object_new_string(view_marks->items[i]));
+		}
+		json_object_object_add(object, "marks", marks);
+	}
 }
 
 static void focus_inactive_children_iterator(struct sway_container *c, void *data) {

sway/tree/view.c

@@ -888,6 +888,7 @@ bool view_find_and_unmark(char *mark) {
 			free(view_mark);
 			list_del(view->marks, i);
 			view_update_marks_textures(view);
+			ipc_event_window(container, "mark");
 			return true;
 		}
 	}
@@ -895,11 +896,10 @@ bool view_find_and_unmark(char *mark) {
 }
 
 void view_clear_marks(struct sway_view *view) {
-	for (int i = 0; i < view->marks->length; ++i) {
+	while (view->marks->length) {
-		free(view->marks->items[i]);
+		list_del(view->marks, 0);
+		ipc_event_window(view->swayc, "mark");
 	}
-	list_free(view->marks);
-	view->marks = create_list();
 }
 
 bool view_has_mark(struct sway_view *view, char *mark) {
@@ -912,6 +912,11 @@ bool view_has_mark(struct sway_view *view, char *mark) {
 	return false;
 }
 
+void view_add_mark(struct sway_view *view, char *mark) {
+	list_add(view->marks, strdup(mark));
+	ipc_event_window(view->swayc, "mark");
+}
+
 static void update_marks_texture(struct sway_view *view,
 		struct wlr_texture **texture, struct border_colors *class) {
 	struct sway_container *output = container_parent(view->swayc, C_OUTPUT);