Add each view's shell to JSON description

This is a criteria you can use to select windows since commit
484cc189e909 ("Add shell criteria token"), but there's no way to query
it for an existing window. This exposes its value in the output of
`swaymsg -t get_tree`.

2 files changed, 7 insertions, 0 deletions

diff --git a/sway/ipc-json.c b/sway/ipc-json.c
index 1ebc3bd2..46c52156 100644
--- a/sway/ipc-json.c
+++ b/sway/ipc-json.c
@@ -493,6 +493,8 @@ static void ipc_json_describe_view(struct sway_container *c, json_object *object
 
         json_object_object_add(object, "max_render_time", json_object_new_int(c->view->max_render_time));
 
+        json_object_object_add(object, "shell", json_object_new_string(view_get_shell(c->view)));
+
 #if HAVE_XWAYLAND
         if (c->view->type == SWAY_VIEW_XWAYLAND) {
                 json_object_object_add(object, "window",
diff --git a/sway/sway-ipc.7.scd b/sway/sway-ipc.7.scd
index ab61f864..5cef0bb4 100644
--- a/sway/sway-ipc.7.scd
+++ b/sway/sway-ipc.7.scd
@@ -376,6 +376,9 @@ node and will have the following properties:
 |- visible
 :  boolean
 :  (Only views) Whether the node is visible
+|- shell
+:  string
+:  (Only views) The shell of the view, such as _xdg\_shell_ or _xwayland_
 |- window
 :  integer
 :  (Only xwayland views) The X11 window ID for the xwayland view
@@ -672,6 +675,7 @@ node and will have the following properties:
                                                         "pid": 23959,
                                                         "app_id": null,
                                                         "visible": true,
+                                                        "shell": "xwayland",
                                                         "window_properties": {
                                                                 "class": "URxvt",
                                                                 "instance": "urxvt",
@@ -726,6 +730,7 @@ node and will have the following properties:
                                                         "pid": 25370,
                                                         "app_id": "termite",
                                                         "visible": true,
+                                                        "shell": "xdg_shell",
                                                         "nodes": [
                                                         ]
                                                 }