app/window: Set display menu not sensitive when needed

Displays menu must be sensitive only when at least one display is
enabled.

1 files changed, 5 insertions, 1 deletions

diff --git a/src/virt-viewer-app.c b/src/virt-viewer-app.c
index 563117a..7c8a578 100644
--- a/src/virt-viewer-app.c
+++ b/src/virt-viewer-app.c
@@ -2253,17 +2253,21 @@ window_update_menu_displays_cb(gpointer value,
     GtkMenuShell *submenu;
     GList *keys = g_hash_table_get_keys(self->priv->displays);
     GList *tmp;
+    gboolean sensitive;
 
     keys = g_list_sort(keys, update_menu_displays_sort);
     submenu = window_empty_display_submenu(VIRT_VIEWER_WINDOW(value));
 
+    sensitive = (keys != NULL);
+    virt_viewer_window_set_menu_displays_sensitive(VIRT_VIEWER_WINDOW(value), sensitive);
+
     tmp = keys;
     while (tmp) {
         int nth = GPOINTER_TO_INT(tmp->data);
         VirtViewerWindow *vwin = virt_viewer_app_get_nth_window(self, nth);
         VirtViewerDisplay *display = VIRT_VIEWER_DISPLAY(g_hash_table_lookup(self->priv->displays, tmp->data));
         GtkWidget *item;
-        gboolean visible, sensitive;
+        gboolean visible;
         gchar *label;
 
         label = g_strdup_printf(_("Display %d"), nth + 1);