Set WM_CLASS for X11 compositor window
Don't want to be 'Unknown' in GNOME Shell.
diff --git a/compositor/compositor-x11.c b/compositor/compositor-x11.c
index 7e7c8ca..5cacb3f 100644
--- a/compositor/compositor-x11.c
+++ b/compositor/compositor-x11.c
@@ -59,7 +59,9 @@
xcb_atom_t wm_normal_hints;
xcb_atom_t wm_size_hints;
xcb_atom_t wm_delete_window;
+ xcb_atom_t wm_class;
xcb_atom_t net_wm_name;
+ xcb_atom_t string;
xcb_atom_t utf8_string;
} atom;
};
@@ -332,6 +334,7 @@
x11_compositor_create_output(struct x11_compositor *c, int width, int height)
{
static const char name[] = "Wayland Compositor";
+ static const char class[] = "wayland-1\0Wayland Compositor";
struct x11_output *output;
xcb_dri2_dri2_buffer_t *buffers;
xcb_dri2_get_buffers_reply_t *reply;
@@ -398,12 +401,15 @@
sizeof normal_hints / 4,
(uint8_t *) &normal_hints);
- xcb_map_window(c->conn, output->window);
-
/* Set window name. Don't bother with non-EWMH WMs. */
xcb_change_property(c->conn, XCB_PROP_MODE_REPLACE, output->window,
c->atom.net_wm_name, c->atom.utf8_string, 8,
strlen(name), name);
+ xcb_change_property(c->conn, XCB_PROP_MODE_REPLACE, output->window,
+ c->atom.wm_class, c->atom.string, 8,
+ sizeof class, class);
+
+ xcb_map_window(c->conn, output->window);
rectangle.x = 0;
rectangle.y = 0;
@@ -603,7 +609,9 @@
{ "WM_NORMAL_HINTS", F(atom.wm_normal_hints) },
{ "WM_SIZE_HINTS", F(atom.wm_size_hints) },
{ "WM_DELETE_WINDOW", F(atom.wm_delete_window) },
+ { "WM_CLASS", F(atom.wm_class) },
{ "_NET_WM_NAME", F(atom.net_wm_name) },
+ { "STRING", F(atom.string) },
{ "UTF8_STRING", F(atom.utf8_string) },
};