Add _NET_WM_NAME & _NET_WM_ICON_NAME support

resolves: QubesOS/qubes-issues#9571

Author: alimirjamali

gui-daemon/xside.c

@@ -600,6 +600,9 @@ static void intern_global_atoms(Ghandles *const g) {
         { &g->wm_user_time, "_NET_WM_USER_TIME" },
         { &g->wmDeleteMessage, "WM_DELETE_WINDOW" },
         { &g->net_supported, "_NET_SUPPORTED" },
+        { &g->net_wm_name, "_NET_WM_NAME" },
+        { &g->net_wm_icon_name, "_NET_WM_ICON_NAME" },
+        { &g->utf8_string, "UTF8_STRING" },
     };
     Atom labels[QUBES_ARRAY_SIZE(atoms_to_intern)];
     const char *names[QUBES_ARRAY_SIZE(atoms_to_intern)];
@@ -2925,7 +2928,11 @@ static void handle_wmname(Ghandles * g, struct windowdata *vm_window)
     Xutf8TextListToTextProperty(g->display, list, 1, XUTF8StringStyle,
                     &text_prop);
     XSetWMName(g->display, vm_window->local_winid, &text_prop);
+    XChangeProperty(g->display, vm_window->local_winid, g->net_wm_name,
+        g->utf8_string, 8, PropModeReplace, (unsigned char *) buf, strlen(buf));
     XSetWMIconName(g->display, vm_window->local_winid, &text_prop);
+    XChangeProperty(g->display, vm_window->local_winid, g->net_wm_icon_name,
+        g->utf8_string, 8, PropModeReplace, (unsigned char *) buf, strlen(buf));
     XFree(text_prop.value);
 }
 

gui-daemon/xside.h

@@ -171,6 +171,9 @@ struct _global_handles {
     Atom wm_state_maximized_horz; /* Atom: _NET_WM_STATE_MAXIMIZED_HORZ */
     Atom wm_user_time_window; /* Atom: _NET_WM_USER_TIME_WINDOW */
     Atom wm_user_time; /* Atom: _NET_WM_USER_TIME */
+    Atom net_wm_name; /* Atom: _NET_WM_NAME */
+    Atom net_wm_icon_name; /* Atom: _NET_WM_ICON_NAME */
+    Atom utf8_string; /* Atom: UTF8_STRING */
     int shm_major_opcode;   /* MIT-SHM extension opcode */
     /* shared memory handling */
     struct shm_args_hdr *shm_args;    /* shared memory with Xorg */