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[gnome-settings-daemon] gsd-xrandr: Add new follow-lid behavior and tie gsd-power lid-close to gsd-xrandr

commit a95d9cdf0d1e69c171a17af7fbb8f75869cd54b9
Author: Paolo Bonzini <pbonzini redhat com>
Date:   Wed Nov 21 14:20:37 2012 +0000

    gsd-xrandr: Add new follow-lid behavior and tie gsd-power lid-close to gsd-xrandr
    
    There are two problems in the implementation of "turn off laptop
    screen when lid closed",  First, it is not enabled at startup.
    Second, it conflicts with the gsd-power option to never use external
    monitors with the lid closed.
    
    To fix this, unify the gsd-xrandr default-monitors-setup setting
    with the aforementioned gsd-power option.  The default-monitors-option
    now has four settings.  The new follow-lid mode is the default and
    matches earlier behavior, plus it also checks the laptop lid state
    at startup.  The follow-lid and clone mode still turn off the laptop
    screen when the lid is closed, the dock and do-nothing mode leave
    it apart.
    
    With this in place, gsd-power does not need anymore the special
    option for lid-close-suspend-with-external-monitor.  It can just
    look at the default-monitors-setup setting, and only suspend if
    that setting is "do-nothing".  All other settings imply that you
    want to keep working on the external monitor.

 data/gsd-enums.h                                   |    3 +-
 ...settings-daemon.plugins.power.gschema.xml.in.in |   11 ------
 ...ettings-daemon.plugins.xrandr.gschema.xml.in.in |    4 +-
 plugins/power/gsd-power-manager.c                  |   35 +++++++++++++-------
 plugins/xrandr/gsd-xrandr-manager.c                |   18 +++++++++-
 5 files changed, 44 insertions(+), 27 deletions(-)
---
diff --git a/data/gsd-enums.h b/data/gsd-enums.h
index 99d9fba..8b8f2f5 100644
--- a/data/gsd-enums.h
+++ b/data/gsd-enums.h
@@ -79,7 +79,8 @@ typedef enum
 {
   GSD_XRANDR_BOOT_BEHAVIOUR_DO_NOTHING,
   GSD_XRANDR_BOOT_BEHAVIOUR_CLONE,
-  GSD_XRANDR_BOOT_BEHAVIOUR_DOCK
+  GSD_XRANDR_BOOT_BEHAVIOUR_DOCK,
+  GSD_XRANDR_BOOT_BEHAVIOUR_FOLLOW_LID
 } GsdXrandrBootBehaviour;
 
 typedef enum
diff --git a/data/org.gnome.settings-daemon.plugins.power.gschema.xml.in.in b/data/org.gnome.settings-daemon.plugins.power.gschema.xml.in.in
index 3d1495a..d10f6c1 100644
--- a/data/org.gnome.settings-daemon.plugins.power.gschema.xml.in.in
+++ b/data/org.gnome.settings-daemon.plugins.power.gschema.xml.in.in
@@ -81,17 +81,6 @@
       <summary>Power button action</summary>
       <description>The action to take when the system power button is pressed.</description>
     </key>
-    <key name="lid-close-suspend-with-external-monitor" type="b">
-      <default>false</default>
-      <summary>Laptop lid, when closed, will suspend even if there is an external monitor plugged in</summary>
-      <description>With no external monitors plugged in, closing a laptop's lid
-	will suspend the machine (as set by the lid-close-battery-action and
-	lid-close-ac-action keys).  By default, however, closing the lid when
-	an external monitor is present will not suspend the machine, so that one can keep
-	working on that monitor (e.g. for docking stations or media viewers).  Set this
-	key to False to keep the default behavior, or to True to suspend the laptop whenever the
-	lid is closed and regardless of external monitors.</description>
-    </key>
     <key name="critical-battery-action" enum="org.gnome.settings-daemon.GsdPowerActionType">
       <default>'hibernate'</default>
       <summary>Battery critical low action</summary>
diff --git a/data/org.gnome.settings-daemon.plugins.xrandr.gschema.xml.in.in b/data/org.gnome.settings-daemon.plugins.xrandr.gschema.xml.in.in
index 51f87bb..f3c2dc3 100644
--- a/data/org.gnome.settings-daemon.plugins.xrandr.gschema.xml.in.in
+++ b/data/org.gnome.settings-daemon.plugins.xrandr.gschema.xml.in.in
@@ -16,9 +16,9 @@
       <_description>Priority to use for this plugin in gnome-settings-daemon startup queue</_description>
     </key>
     <key name="default-monitors-setup" enum="org.gnome.settings-daemon.GsdXrandrBootBehaviour">
-      <default>'do-nothing'</default>
+      <default>'follow-lid'</default>
       <_summary>Whether to turn off specific monitors after boot</_summary>
-      <_description>'clone' will display the same thing on all monitors, 'dock' will switch off the internal monitor, 'do-nothing' will use the default Xorg behaviour (extend the desktop in recent versions)</_description>
+      <_description>'clone' will display the same thing on all monitors, 'dock' will switch off the internal monitor, 'do-nothing' will use the default Xorg behaviour (extend the desktop in recent versions). The default, 'follow-lid', will choose between 'do-nothing' and 'dock' depending on whether the lid is (respectively) open or closed.</_description>
     </key>
   </schema>
 </schemalist>
diff --git a/plugins/power/gsd-power-manager.c b/plugins/power/gsd-power-manager.c
index b17ac6c..3412dd3 100644
--- a/plugins/power/gsd-power-manager.c
+++ b/plugins/power/gsd-power-manager.c
@@ -56,6 +56,7 @@
 #define UPOWER_DBUS_INTERFACE_KBDBACKLIGHT      "org.freedesktop.UPower.KbdBacklight"
 
 #define GSD_POWER_SETTINGS_SCHEMA               "org.gnome.settings-daemon.plugins.power"
+#define GSD_XRANDR_SETTINGS_SCHEMA              "org.gnome.settings-daemon.plugins.xrandr"
 
 #define GSD_DBUS_SERVICE                        "org.gnome.SettingsDaemon"
 #define GSD_DBUS_PATH                           "/org/gnome/SettingsDaemon"
@@ -159,6 +160,7 @@ struct GsdPowerManagerPrivate
         gboolean                 lid_is_closed;
         GSettings               *settings;
         GSettings               *settings_screensaver;
+        GSettings               *settings_xrandr;
         UpClient                *up_client;
         GDBusNodeInfo           *introspection_data;
         GDBusConnection         *connection;
@@ -2143,11 +2145,21 @@ upower_kbd_toggle (GsdPowerManager *manager,
 }
 
 static gboolean
+suspend_on_lid_close (GsdPowerManager *manager)
+{
+        GsdXrandrBootBehaviour val;
+
+        if (!external_monitor_is_connected (manager->priv->x11_screen))
+                return TRUE;
+
+        val = g_settings_get_enum (manager->priv->settings_xrandr, "default-monitors-setup");
+        return val == GSD_XRANDR_BOOT_BEHAVIOUR_DO_NOTHING;
+}
+
+static gboolean
 inhibit_lid_switch_timer_cb (GsdPowerManager *manager)
 {
-        if (!external_monitor_is_connected (manager->priv->x11_screen) ||
-            g_settings_get_boolean (manager->priv->settings,
-                                    "lid-close-suspend-with-external-monitor")) {
+        if (suspend_on_lid_close (manager)) {
                 g_debug ("no external monitors for a while; uninhibiting lid close");
                 uninhibit_lid_switch (manager);
                 manager->priv->inhibit_lid_switch_timer_id = 0;
@@ -3736,6 +3748,11 @@ on_randr_event (GnomeRRScreen *screen, gpointer user_data)
 {
         GsdPowerManager *manager = GSD_POWER_MANAGER (user_data);
 
+        if (suspend_on_lid_close (manager)) {
+                restart_inhibit_lid_switch_timer (manager);
+                return;
+        }
+
         /* when a second monitor is plugged in, we take the
          * handle-lid-switch inhibitor lock of logind to prevent
          * it from suspending.
@@ -3744,15 +3761,8 @@ on_randr_event (GnomeRRScreen *screen, gpointer user_data)
          * since we want to give users a few seconds when unplugging
          * and replugging an external monitor, not suspend right away.
          */
-        if (external_monitor_is_connected (screen) &&
-            !g_settings_get_boolean (manager->priv->settings,
-                                     "lid-close-suspend-with-external-monitor")) {
-                inhibit_lid_switch (manager);
-                setup_inhibit_lid_switch_timer (manager);
-        }
-        else {
-                restart_inhibit_lid_switch_timer (manager);
-        }
+        inhibit_lid_switch (manager);
+        setup_inhibit_lid_switch_timer (manager);
 }
 
 static gboolean
@@ -3933,6 +3943,7 @@ gsd_power_manager_start (GsdPowerManager *manager,
         g_signal_connect (manager->priv->settings, "changed",
                           G_CALLBACK (engine_settings_key_changed_cb), manager);
         manager->priv->settings_screensaver = g_settings_new ("org.gnome.desktop.screensaver");
+        manager->priv->settings_xrandr = g_settings_new (GSD_XRANDR_SETTINGS_SCHEMA);
         manager->priv->up_client = up_client_new ();
         manager->priv->lid_is_closed = up_client_get_lid_is_closed (manager->priv->up_client);
         g_signal_connect (manager->priv->up_client, "device-added",
diff --git a/plugins/xrandr/gsd-xrandr-manager.c b/plugins/xrandr/gsd-xrandr-manager.c
index 7a8c2cf..7b459c3 100644
--- a/plugins/xrandr/gsd-xrandr-manager.c
+++ b/plugins/xrandr/gsd-xrandr-manager.c
@@ -1126,6 +1126,14 @@ trim_rightmost_outputs_that_dont_fit_in_framebuffer (GnomeRRScreen *rr_screen, G
         return applicable;
 }
 
+static gboolean
+follow_laptop_lid(GsdXrandrManager *manager)
+{
+        GsdXrandrBootBehaviour val;
+        val = g_settings_get_enum (manager->priv->settings, CONF_KEY_DEFAULT_MONITORS_SETUP);
+        return val == GSD_XRANDR_BOOT_BEHAVIOUR_FOLLOW_LID || val == GSD_XRANDR_BOOT_BEHAVIOUR_CLONE;
+}
+
 static GnomeRRConfig *
 make_xinerama_setup (GsdXrandrManager *manager, GnomeRRScreen *screen)
 {
@@ -1142,7 +1150,7 @@ make_xinerama_setup (GsdXrandrManager *manager, GnomeRRScreen *screen)
                 GnomeRROutputInfo *info = outputs[i];
 
                 if (is_laptop (screen, info)) {
-                        if (laptop_lid_is_closed (manager))
+                        if (laptop_lid_is_closed (manager) && follow_laptop_lid (manager))
                                 gnome_rr_output_info_set_active (info, FALSE);
                         else {
                                 gnome_rr_output_info_set_primary (info, TRUE);
@@ -1867,6 +1875,12 @@ apply_default_boot_configuration (GsdXrandrManager *mgr, guint32 timestamp)
         switch (boot) {
         case GSD_XRANDR_BOOT_BEHAVIOUR_DO_NOTHING:
                 return;
+        case GSD_XRANDR_BOOT_BEHAVIOUR_FOLLOW_LID:
+                if (laptop_lid_is_closed (mgr))
+                        config = make_other_setup (screen);
+                else
+                        config = make_xinerama_setup (mgr, screen);
+                break;
         case GSD_XRANDR_BOOT_BEHAVIOUR_CLONE:
                 config = make_clone_setup (mgr, screen);
                 break;
@@ -1993,6 +2007,8 @@ power_client_changed_cb (UpClient *client, gpointer data)
 
         if (is_closed != priv->laptop_lid_is_closed) {
                 priv->laptop_lid_is_closed = is_closed;
+                if (!follow_laptop_lid(manager))
+                        return;
 
                 /* Refresh the RANDR state.  The lid just got opened/closed, so we can afford to
                  * probe the outputs right now.  It will also help the case where we can't detect
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