[network-manager-applet] applet: add a gsettings option to hide/show the applet

[Dan Williams <dcbw src gnome org>]

commit e7331a3f33ab422ea6c1bbc015ad44d8d9c83bc3
Author: Mathieu Trudel-Lapierre <mathieu-tl ubuntu com>
Date:   Wed Mar 6 12:36:37 2013 -0500

    applet: add a gsettings option to hide/show the applet
    
    Especially useful on systems which only ever have a wired connection and are
    not expecting to use VPNs, allow hiding the applet to unclutter the
    notification area.

 nm-applet.convert                  |    1 +
 org.gnome.nm-applet.gschema.xml.in |    5 +++++
 src/applet.c                       |   20 ++++++++++++++++++++
 src/applet.h                       |    3 +++
 4 files changed, 29 insertions(+), 0 deletions(-)
---
diff --git a/nm-applet.convert b/nm-applet.convert
index a062f71..713ec2a 100644
--- a/nm-applet.convert
+++ b/nm-applet.convert
@@ -5,3 +5,4 @@ disable-vpn-notifications = /apps/nm-applet/disable-vpn-notifications
 suppress-wireless-networks-available = /apps/nm-applet/suppress-wireless-networks-available
 stamp = /apps/nm-applet/stamp
 disable-wifi-create = /apps/nm-applet/disable-wifi-create
+show-applet = /apps/nm-applet/show-applet
diff --git a/org.gnome.nm-applet.gschema.xml.in b/org.gnome.nm-applet.gschema.xml.in
index 32252e2..bf3b9f4 100644
--- a/org.gnome.nm-applet.gschema.xml.in
+++ b/org.gnome.nm-applet.gschema.xml.in
@@ -31,6 +31,11 @@
       <_summary>Disable WiFi Create</_summary>
       <_description>Set to true to disable creation of adhoc networks when using the applet.</_description>
     </key>
+    <key name="show-applet" type="b">
+      <default>true</default>
+      <_summary>Show the applet in notification area</_summary>
+      <_description>Set to FALSE to disable displaying the applet in the notification area.</_description>
+    </key>
   </schema>
   <schema id="org.gnome.nm-applet.eap">
     <key name="ignore-ca-cert" type="b">
diff --git a/src/applet.c b/src/applet.c
index f1eec25..47b4f30 100644
--- a/src/applet.c
+++ b/src/applet.c
@@ -2728,6 +2728,8 @@ applet_update_icon (gpointer user_data)
        if (!nm_running)
                state = NM_STATE_UNKNOWN;
 
+       gtk_status_icon_set_visible (applet->status_icon, applet->visible);
+
        switch (state) {
        case NM_STATE_UNKNOWN:
        case NM_STATE_ASLEEP:
@@ -3429,6 +3431,21 @@ dbus_setup (NMApplet *applet, GError **error)
        return success;
 }
 
+static void
+applet_gsettings_show_changed (GSettings *settings,
+                               gchar *key,
+                               gpointer user_data)
+{
+       NMApplet *applet = NM_APPLET (user_data);
+
+       g_return_if_fail (NM_IS_APPLET(applet));
+       g_return_if_fail (key != NULL);
+
+       applet->visible = g_settings_get_boolean (settings, key);
+
+       gtk_status_icon_set_visible (applet->status_icon, applet->visible);
+}
+
 static GObject *
 constructor (GType type,
              guint n_props,
@@ -3451,6 +3468,9 @@ constructor (GType type,
        }
 
        applet->gsettings = g_settings_new (APPLET_PREFS_SCHEMA);
+       applet->visible = g_settings_get_boolean (applet->gsettings, PREF_SHOW_APPLET);
+       g_signal_connect (applet->gsettings, "changed::show-applet",
+                         G_CALLBACK (applet_gsettings_show_changed), applet);
 
        /* Load pixmaps and create applet widgets */
        if (!setup_widgets (applet))
diff --git a/src/applet.h b/src/applet.h
index 0a429a8..bd93e58 100644
--- a/src/applet.h
+++ b/src/applet.h
@@ -69,6 +69,7 @@ typedef struct
 #define PREF_DISABLE_VPN_NOTIFICATIONS            "disable-vpn-notifications"
 #define PREF_DISABLE_WIFI_CREATE                  "disable-wifi-create"
 #define PREF_SUPPRESS_WIFI_NETWORKS_AVAILABLE     "suppress-wireless-networks-available"
+#define PREF_SHOW_APPLET                          "show-applet"
 
 #define ICON_LAYER_LINK 0
 #define ICON_LAYER_VPN 1
@@ -104,6 +105,8 @@ typedef struct
        gboolean   mm1_running;
 #endif
 
+       gboolean visible;
+
        /* Permissions */
        NMClientPermissionResult permissions[NM_CLIENT_PERMISSION_LAST + 1];