Display class in tab title if app_id is null

This is a feature that can't work the same as i3, because there is no
real window classes in wayland. This way, we avoid null titles as much
as possible.

1 files changed, 4 insertions, 6 deletions

diff --git a/sway/border.c b/sway/border.c
index 304f8b87..0d3cfab8 100644
--- a/sway/border.c
+++ b/sway/border.c
@@ -228,15 +228,13 @@ static char *generate_container_title(swayc_t *container) {
         for (i = 0; i < container->children->length; ++i) {
                 prev_name = name;
                 swayc_t* child = container->children->items[i];
-                const char *title = child->app_id;
-                if (child->type == C_CONTAINER) {
+                const char *title = NULL;
+                if (child->type == C_VIEW) {
+                        title = child->app_id ? child->app_id : (child->class ? child->class : "(null)");
+                } else { //child->type == C_CONTAINER
                         title = generate_container_title(child);
                 }
 
-                if (!title) {
-                        title = "(null)";
-                }
-
                 len = strlen(name) + strlen(title) + 1;
                 if (i < container->children->length-1) {
                         len++;