Add settings option to popover

Fixes #154

src/meson.build

@@ -14,6 +14,7 @@ sources = [
   config_h,
   'dbus.c',
   'imservice.c',
+  'popover.c',
   'server-context-service.c',
   'wayland.c',
   '../eek/eek.c',

src/popover.c

+#include <gio/gio.h>
+
+static void
+call_dbus_cb (GDBusProxy *proxy,
+              GAsyncResult *res,
+              gpointer user_data)
+{
+  g_autoptr (GError) err = NULL;
+  g_autoptr (GVariant) output = NULL;
+
+  output = g_dbus_proxy_call_finish (proxy, res, &err);
+  if (err) {
+    g_warning ("Can't open panel %s", err->message);
+  }
+  g_object_unref (proxy);
+}
+
+static void
+create_dbus_proxy_cb (GObject *source_object, GAsyncResult *res, char *panel)
+{
+  GDBusProxy *proxy;
+  g_autoptr (GError) err = NULL;
+  GVariantBuilder builder;
+  GVariant *params[3];
+  GVariant *array[1];
+
+  proxy = g_dbus_proxy_new_for_bus_finish (res, &err);
+
+  if (err != NULL) {
+    g_warning ("Can't open panel %s: %s", panel, err->message);
+    g_free (panel);
+    return;
+  }
+
+  g_variant_builder_init (&builder, G_VARIANT_TYPE ("av"));
+  g_variant_builder_add (&builder, "v", g_variant_new_string (""));
+
+  array[0] = g_variant_new ("v", g_variant_new ("(sav)", panel, &builder));
+
+  params[0] = g_variant_new_string ("launch-panel");
+  params[1] = g_variant_new_array (G_VARIANT_TYPE ("v"), array, 1);
+  params[2] = g_variant_new_array (G_VARIANT_TYPE ("{sv}"), NULL, 0);
+
+  g_dbus_proxy_call (proxy,
+             "Activate",
+             g_variant_new_tuple (params, 3),
+             G_DBUS_CALL_FLAGS_NONE,
+             -1,
+             NULL,
+             (GAsyncReadyCallback) call_dbus_cb,
+             NULL);
+
+  g_free (panel);
+}
+
+void
+popover_open_settings_panel (char *panel)
+{
+  g_dbus_proxy_new_for_bus (G_BUS_TYPE_SESSION,
+                G_DBUS_PROXY_FLAGS_NONE,
+                NULL,
+                "org.gnome.ControlCenter",
+                "/org/gnome/ControlCenter",
+                "org.gtk.Actions",
+                NULL,
+                (GAsyncReadyCallback) create_dbus_proxy_cb,
+                g_strdup (panel));
+
+}

src/popover.rs

@@ -25,6 +25,15 @@ use gtk::WidgetExt;
 use std::io::Write;
 use ::logging::Warn;
 
+mod c {
+    use std::os::raw::c_char;
+
+    #[no_mangle]
+    extern "C" {
+        pub fn popover_open_settings_panel(panel: *const c_char);
+    }
+}
+
 mod variants {
     use glib;
     use glib::Variant;
@@ -128,6 +137,12 @@ fn make_menu_builder(inputs: Vec<(&str, OwnedTranslation)>) -> gtk::Builder {
         xml,
         "
     </section>
+    <section>
+        <item>
+            <attribute name=\"label\" translatable=\"yes\">Keyboard Settings</attribute>
+            <attribute name=\"action\">settings</attribute>
+        </item>
+    </section>
   </menu>
 </interface>"
     ).unwrap();
@@ -414,8 +429,14 @@ pub fn show(
             menu_inner.popdown();
         });
 
+        let settings_action = gio::SimpleAction::new("settings", None);
+        settings_action.connect_activate(move |_, _| {
+            unsafe { c::popover_open_settings_panel(CString::new("region").unwrap().as_ptr()) };
+        });
+
         let action_group = gio::SimpleActionGroup::new();
         action_group.add_action(&layout_action);
+        action_group.add_action(&settings_action);
 
         menu.insert_action_group("popup", Some(&action_group));
     };