[empathy] roster-window: add a 'Show offline button" when relevant

[Guillaume Desmottes <gdesmott src gnome org>]

commit e9426542a9268d052d622c6f1645707d392f55cb
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Wed Dec 26 11:05:12 2012 +0100

    roster-window: add a 'Show offline button" when relevant
    
    https://bugzilla.gnome.org/show_bug.cgi?id=670048

 src/empathy-roster-window.c  |   28 +++++++++++++++++++++++++++-
 src/empathy-roster-window.ui |   26 ++++++++++++++++++++++++++
 2 files changed, 53 insertions(+), 1 deletions(-)
---
diff --git a/src/empathy-roster-window.c b/src/empathy-roster-window.c
index 78d47f8..4e84b3f 100644
--- a/src/empathy-roster-window.c
+++ b/src/empathy-roster-window.c
@@ -125,6 +125,7 @@ struct _EmpathyRosterWindowPriv {
   GtkWidget *no_entry_label;
   GtkWidget *button_account_settings;
   GtkWidget *button_online;
+  GtkWidget *button_show_offline;
   GtkWidget *spinner_loading;
   GtkWidget *tooltip_widget;
 
@@ -393,12 +394,21 @@ button_online_clicked_cb (GtkButton *button,
   g_object_unref (mgr);
 }
 
+static void
+button_show_offline_clicked_cb (GtkButton *button,
+    EmpathyRosterWindow *self)
+{
+  g_settings_set_boolean (self->priv->gsettings_ui,
+      EMPATHY_PREFS_UI_SHOW_OFFLINE, TRUE);
+}
+
 typedef enum
 {
   PAGE_MESSAGE_FLAG_NONE = 0,
   PAGE_MESSAGE_FLAG_ACCOUNTS = 1 << 0,
   PAGE_MESSAGE_FLAG_SPINNER = 1 << 2,
   PAGE_MESSAGE_FLAG_ONLINE = 1 << 3,
+  PAGE_MESSAGE_FLAG_SHOW_OFFLINE = 1 << 4,
 } PageMessageFlags;
 
 static void
@@ -429,6 +439,8 @@ display_page_message (EmpathyRosterWindow *self,
       (flags & PAGE_MESSAGE_FLAG_SPINNER) != 0);
   gtk_widget_set_visible (self->priv->button_online,
       (flags & PAGE_MESSAGE_FLAG_ONLINE) != 0);
+  gtk_widget_set_visible (self->priv->button_show_offline,
+      (flags & PAGE_MESSAGE_FLAG_SHOW_OFFLINE) != 0);
 
   gtk_notebook_set_current_page (GTK_NOTEBOOK (self->priv->notebook),
       PAGE_MESSAGE);
@@ -1631,7 +1643,7 @@ set_notebook_page (EmpathyRosterWindow *self)
                 PAGE_MESSAGE_FLAG_NONE);
           else
             display_page_message (self, _("No online contacts"),
-                PAGE_MESSAGE_FLAG_NONE);
+                PAGE_MESSAGE_FLAG_SHOW_OFFLINE);
         }
       goto out;
     }
@@ -2150,6 +2162,14 @@ roster_window_most_available_presence_changed_cb (TpAccountManager *manager,
 }
 
 static void
+show_offline_changed_cb (GSettings *settings,
+    const gchar *key,
+    EmpathyRosterWindow *self)
+{
+  set_notebook_page (self);
+}
+
+static void
 empathy_roster_window_init (EmpathyRosterWindow *self)
 {
   GtkBuilder *gui;
@@ -2190,6 +2210,7 @@ empathy_roster_window_init (EmpathyRosterWindow *self)
       "roster_scrolledwindow", &sw,
       "button_account_settings", &self->priv->button_account_settings,
       "button_online", &self->priv->button_online,
+      "button_show_offline", &self->priv->button_show_offline,
       "spinner_loading", &self->priv->spinner_loading,
       NULL);
   g_free (filename);
@@ -2341,6 +2362,9 @@ empathy_roster_window_init (EmpathyRosterWindow *self)
   g_settings_bind (self->priv->gsettings_ui, EMPATHY_PREFS_UI_SHOW_OFFLINE,
       self->priv->view, "show-offline",
       G_SETTINGS_BIND_GET);
+  tp_g_signal_connect_object (self->priv->gsettings_ui,
+      "changed::" EMPATHY_PREFS_UI_SHOW_OFFLINE,
+      G_CALLBACK (show_offline_changed_cb), self, 0);
   g_settings_bind (self->priv->gsettings_ui, EMPATHY_PREFS_UI_SHOW_GROUPS,
       self->priv->view, "show-groups",
       G_SETTINGS_BIND_GET);
@@ -2352,6 +2376,8 @@ empathy_roster_window_init (EmpathyRosterWindow *self)
       G_CALLBACK (button_account_settings_clicked_cb), self);
   g_signal_connect (self->priv->button_online, "clicked",
       G_CALLBACK (button_online_clicked_cb), self);
+  g_signal_connect (self->priv->button_show_offline, "clicked",
+      G_CALLBACK (button_show_offline_clicked_cb), self);
 }
 
 GtkWidget *
diff --git a/src/empathy-roster-window.ui b/src/empathy-roster-window.ui
index 06f5826..186b87a 100644
--- a/src/empathy-roster-window.ui
+++ b/src/empathy-roster-window.ui
@@ -191,6 +191,32 @@
                 <property name="position">2</property>
               </packing>
             </child>
+            <child>
+              <object class="GtkAlignment" id="alignment4">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="yalign">0</property>
+                <property name="xscale">0</property>
+                <property name="yscale">0</property>
+                <child>
+                  <object class="GtkButton" id="button_show_offline">
+                    <property name="label" translatable="yes">Show _Offline Contacts</property>
+                    <property name="visible">True</property>
+                    <property name="can_focus">True</property>
+                    <property name="receives_default">True</property>
+                    <property name="margin_left">6</property>
+                    <property name="margin_right">6</property>
+                    <property name="use_action_appearance">False</property>
+                    <property name="use_underline">True</property>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="expand">True</property>
+                <property name="fill">True</property>
+                <property name="position">2</property>
+              </packing>
+            </child>
           </object>
           <packing>
             <property name="position">1</property>