From 29f5cc7508ffe8f267e52b7c39c6525ccfab1e45 Mon Sep 17 00:00:00 2001
From: Ryan Dwyer <ryandwyer1@gmail.com>
Date: Sun, 2 Sep 2018 20:06:25 +1000
Subject: Implement window_role criteria token

Depends on https://github.com/swaywm/wlroots/pull/1226
---
 include/sway/tree/view.h |  1 +
 sway/criteria.c          | 17 ++++++++++-------
 sway/desktop/xwayland.c  | 17 +++++++++++++++++
 3 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/include/sway/tree/view.h b/include/sway/tree/view.h
index 382ab6b9..30d3e742 100644
--- a/include/sway/tree/view.h
+++ b/include/sway/tree/view.h
@@ -170,6 +170,7 @@ struct sway_xwayland_view {
 	struct wl_listener request_activate;
 	struct wl_listener set_title;
 	struct wl_listener set_class;
+	struct wl_listener set_role;
 	struct wl_listener set_window_type;
 	struct wl_listener set_hints;
 	struct wl_listener map;
diff --git a/sway/criteria.c b/sway/criteria.c
index acc70d1b..feca904a 100644
--- a/sway/criteria.c
+++ b/sway/criteria.c
@@ -160,7 +160,10 @@ static bool criteria_matches_view(struct criteria *criteria,
 	}
 
 	if (criteria->window_role) {
-		// TODO
+		const char *role = view_get_window_role(view);
+		if (!role || regex_cmp(role, criteria->window_role) != 0) {
+			return false;
+		}
 	}
 
 	if (criteria->window_type != ATOM_LAST) {
@@ -368,7 +371,7 @@ static char *get_focused_prop(enum criteria_token token) {
 		value = view_get_shell(view);
 		break;
 	case T_TITLE:
-		value = view_get_class(view);
+		value = view_get_title(view);
 		break;
 	case T_WORKSPACE:
 		{
@@ -388,21 +391,21 @@ static char *get_focused_prop(enum criteria_token token) {
 		snprintf(id_str, id_size, "%zu", id);
 		value = id_str;
 		break;
-	case T_CON_MARK: // These do not support __focused__
-	case T_FLOATING:
 #ifdef HAVE_XWAYLAND
 	case T_CLASS:
 		value = view_get_class(view);
 		break;
-	case T_ID:
 	case T_INSTANCE:
 		value = view_get_instance(view);
 		break;
 	case T_WINDOW_ROLE:
-		value = view_get_class(view);
+		value = view_get_window_role(view);
 		break;
-	case T_WINDOW_TYPE:
+	case T_WINDOW_TYPE: // These do not support __focused__
+	case T_ID:
 #endif
+	case T_CON_MARK:
+	case T_FLOATING:
 	case T_TILING:
 	case T_URGENT:
 	case T_INVALID:
diff --git a/sway/desktop/xwayland.c b/sway/desktop/xwayland.c
index 10faf91d..94a30239 100644
--- a/sway/desktop/xwayland.c
+++ b/sway/desktop/xwayland.c
@@ -154,6 +154,8 @@ static const char *get_string_prop(struct sway_view *view, enum sway_view_prop p
 		return view->wlr_xwayland_surface->class;
 	case VIEW_PROP_INSTANCE:
 		return view->wlr_xwayland_surface->instance;
+	case VIEW_PROP_WINDOW_ROLE:
+		return view->wlr_xwayland_surface->role;
 	default:
 		return NULL;
 	}
@@ -340,6 +342,7 @@ static void handle_destroy(struct wl_listener *listener, void *data) {
 	wl_list_remove(&xwayland_view->request_activate.link);
 	wl_list_remove(&xwayland_view->set_title.link);
 	wl_list_remove(&xwayland_view->set_class.link);
+	wl_list_remove(&xwayland_view->set_role.link);
 	wl_list_remove(&xwayland_view->set_window_type.link);
 	wl_list_remove(&xwayland_view->set_hints.link);
 	wl_list_remove(&xwayland_view->map.link);
@@ -500,6 +503,17 @@ static void handle_set_class(struct wl_listener *listener, void *data) {
 	view_execute_criteria(view);
 }
 
+static void handle_set_role(struct wl_listener *listener, void *data) {
+	struct sway_xwayland_view *xwayland_view =
+		wl_container_of(listener, xwayland_view, set_role);
+	struct sway_view *view = &xwayland_view->view;
+	struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
+	if (!xsurface->mapped) {
+		return;
+	}
+	view_execute_criteria(view);
+}
+
 static void handle_set_window_type(struct wl_listener *listener, void *data) {
 	struct sway_xwayland_view *xwayland_view =
 		wl_container_of(listener, xwayland_view, set_window_type);
@@ -587,6 +601,9 @@ void handle_xwayland_surface(struct wl_listener *listener, void *data) {
 	wl_signal_add(&xsurface->events.set_class, &xwayland_view->set_class);
 	xwayland_view->set_class.notify = handle_set_class;
 
+	wl_signal_add(&xsurface->events.set_role, &xwayland_view->set_role);
+	xwayland_view->set_role.notify = handle_set_role;
+
 	wl_signal_add(&xsurface->events.set_window_type,
 			&xwayland_view->set_window_type);
 	xwayland_view->set_window_type.notify = handle_set_window_type;
-- 
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