Add a clock to the panel

configure.ac

@@ -19,6 +19,7 @@ PKG_CHECK_MODULES([GTK], [
 	gtk+-3.0 >= 3.7
 	gtk+-wayland-3.0
 	libgnome-menu-3.0
+	gnome-desktop-3.0
 ])
 
 WAYLAND_SCANNER_RULES(['$(top_srcdir)/protocol'])

shell/Makefile.am

@@ -13,6 +13,8 @@ weston_gtk_shell_SOURCES =			\
 	gtk-shell.c				\
 	app-launcher.c				\
 	app-launcher.h				\
+	clock.c					\
+	clock.h					\
 	launcher-grid.c				\
 	launcher-grid.h				\
 	shell-app-system.c			\

shell/clock.c

+/*
+ * Copyright (C) 2013 Collabora Ltd.
+ *
+ * Author: Emilio Pozuelo Monfort <emilio.pozuelo@collabora.co.uk>
+ */
+
+#include "config.h"
+
+#include "clock.h"
+
+#include <gtk/gtk.h>
+
+#define GNOME_DESKTOP_USE_UNSTABLE_API
+#include <libgnome-desktop/gnome-wall-clock.h>
+
+enum {
+  PROP_0,
+};
+
+struct WestonGtkClockPrivate {
+  GnomeWallClock *wall_clock;
+};
+
+G_DEFINE_TYPE(WestonGtkClock, weston_gtk_clock, GTK_TYPE_LABEL)
+
+static void
+update_clock (GnomeWallClock *wall_clock,
+    GParamSpec *pspec,
+    WestonGtkClock *self)
+{
+  gtk_label_set_text (GTK_LABEL (self), gnome_wall_clock_get_clock (wall_clock));
+}
+
+static void
+weston_gtk_clock_dispose (GObject *object)
+{
+  WestonGtkClock *self = WESTON_GTK_CLOCK (object);
+
+  g_clear_object (&self->priv->wall_clock);
+
+  G_OBJECT_CLASS (weston_gtk_clock_parent_class)->dispose (object);
+}
+
+static void
+weston_gtk_clock_init (WestonGtkClock *self)
+{
+  self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
+                                            WESTON_GTK_CLOCK_TYPE,
+                                            WestonGtkClockPrivate);
+
+  self->priv->wall_clock = gnome_wall_clock_new ();
+  g_signal_connect (self->priv->wall_clock, "notify::clock",
+                    G_CALLBACK (update_clock), self);
+  update_clock (self->priv->wall_clock, NULL, self);
+}
+
+static void
+weston_gtk_clock_class_init (WestonGtkClockClass *klass)
+{
+  GObjectClass *object_class = (GObjectClass *)klass;
+
+  object_class->dispose = weston_gtk_clock_dispose;
+
+  g_type_class_add_private (object_class, sizeof (WestonGtkClockPrivate));
+}
+
+GtkWidget *
+weston_gtk_clock_new (void)
+{
+  return g_object_new (WESTON_GTK_CLOCK_TYPE,
+                       NULL);
+}

shell/clock.h

+/*
+ * Copyright (C) 2013 Collabora Ltd.
+ *
+ * Author: Emilio Pozuelo Monfort <emilio.pozuelo@collabora.co.uk>
+ */
+
+#ifndef __WESTON_GTK_CLOCK_H__
+#define __WESTON_GTK_CLOCK_H__
+
+#include <gtk/gtk.h>
+
+#define WESTON_GTK_CLOCK_TYPE                 (weston_gtk_clock_get_type ())
+#define WESTON_GTK_CLOCK(obj)                 (G_TYPE_CHECK_INSTANCE_CAST ((obj), WESTON_GTK_CLOCK_TYPE, WestonGtkClock))
+#define WESTON_GTK_CLOCK_CLASS(klass)         (G_TYPE_CHECK_CLASS_CAST ((klass), WESTON_GTK_CLOCK_TYPE, WestonGtkClockClass))
+#define WESTON_GTK_IS_CLOCK(obj)              (G_TYPE_CHECK_INSTANCE_TYPE ((obj), WESTON_GTK_CLOCK_TYPE))
+#define WESTON_GTK_IS_CLOCK_CLASS(klass)      (G_TYPE_CHECK_CLASS_TYPE ((klass), WESTON_GTK_CLOCK_TYPE))
+#define WESTON_GTK_CLOCK_GET_CLASS(obj)       (G_TYPE_INSTANCE_GET_CLASS ((obj), WESTON_GTK_CLOCK_TYPE, WestonGtkClockClass))
+
+typedef struct WestonGtkClock WestonGtkClock;
+typedef struct WestonGtkClockClass WestonGtkClockClass;
+typedef struct WestonGtkClockPrivate WestonGtkClockPrivate;
+
+struct WestonGtkClock
+{
+  GtkLabel parent;
+
+  WestonGtkClockPrivate *priv;
+};
+
+struct WestonGtkClockClass
+{
+  GtkLabelClass parent_class;
+};
+
+GType      weston_gtk_clock_get_type       (void) G_GNUC_CONST;
+GtkWidget *weston_gtk_clock_new            (void);
+
+#endif /* __WESTON_GTK_CLOCK_H__ */

shell/gtk-shell.c

@@ -6,6 +6,7 @@
 
 #include "desktop-shell-client-protocol.h"
 #include "launcher-grid.h"
+#include "clock.h"
 
 extern char **environ; /* defined by libc */
 
@@ -131,7 +132,9 @@ panel_create(struct desktop *desktop)
 	gtk_box_pack_start (GTK_BOX(box1), button, FALSE, FALSE, 0);
 	gtk_widget_show (button);
 
-	gtk_widget_show (box1);
+	gtk_box_pack_end (GTK_BOX(box1), weston_gtk_clock_new (), FALSE, FALSE, 6);
+
+	gtk_widget_show_all (box1);
 
 	gdk_window = gtk_widget_get_window(panel->window);
 	gdk_wayland_window_set_use_custom_surface(gdk_window);