[gnome-flashback] shell: add level bar to osd window

[Alberts Muktupāvels <muktupavels src gnome org>]

commit dcf30606bf483a58fceabea308883201c0507c1f
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Mar 29 23:00:41 2015 +0300

    shell: add level bar to osd window

 gnome-flashback/libshell/flashback-osd-window.c |   16 +++++++++++++++-
 1 files changed, 15 insertions(+), 1 deletions(-)
---
diff --git a/gnome-flashback/libshell/flashback-osd-window.c b/gnome-flashback/libshell/flashback-osd-window.c
index d7498ba..e32cce6 100644
--- a/gnome-flashback/libshell/flashback-osd-window.c
+++ b/gnome-flashback/libshell/flashback-osd-window.c
@@ -38,6 +38,8 @@ struct _FlashbackOsdWindow
   gint          icon_size;
 
   GtkWidget    *label;
+
+  GtkWidget    *level;
 };
 
 G_DEFINE_TYPE (FlashbackOsdWindow, flashback_osd_window, GTK_TYPE_WINDOW)
@@ -240,8 +242,11 @@ flashback_osd_window_init (FlashbackOsdWindow *window)
 
   window->label = gtk_label_new ("");
   gtk_widget_set_halign (window->label, GTK_ALIGN_CENTER);
-  gtk_widget_set_valign (window->label, GTK_ALIGN_CENTER);
   gtk_box_pack_start (GTK_BOX (box), window->label, FALSE, FALSE, 0);
+
+  window->level = gtk_level_bar_new_for_interval (0, 100);
+  gtk_widget_set_halign (window->level, GTK_ALIGN_FILL);
+  gtk_box_pack_start (GTK_BOX (box), window->level, FALSE, FALSE, 0);
 }
 
 FlashbackOsdWindow *
@@ -312,6 +317,15 @@ void
 flashback_osd_window_set_level (FlashbackOsdWindow *window,
                                 gint                level)
 {
+  if (level == -1)
+    {
+      gtk_widget_hide (window->level);
+      return;
+    }
+
+  level = MAX (0, MIN (level, 100));
+  gtk_level_bar_set_value (GTK_LEVEL_BAR (window->level), level);
+  gtk_widget_show (window->level);
 }
 
 void