backport the 'AC Adapter shown in panel' bugfix from trunk/13.04

1 files changed, 42 insertions, 1 deletions

diff --git a/src/indicator-power.c b/src/indicator-power.c
index 4118dcc..06f1c2e 100644
--- a/src/indicator-power.c
+++ b/src/indicator-power.c
@@ -352,12 +352,38 @@ build_menu (IndicatorPower *self)
   gtk_widget_show_all (GTK_WIDGET (priv->menu));
 }
 
+/* the higher the weight, the more interesting the device */
+static int
+get_device_kind_weight (const IndicatorPowerDevice * device)
+{
+  UpDeviceKind kind;
+  static gboolean initialized = FALSE;
+  static int weights[UP_DEVICE_KIND_LAST];
+
+  kind = indicator_power_device_get_kind (device);
+  g_return_val_if_fail (0<=kind && kind<UP_DEVICE_KIND_LAST, 0);
+
+  if (G_UNLIKELY(!initialized))
+    {
+      int i;
+
+      initialized = TRUE;
+
+      for (i=0; i<UP_DEVICE_KIND_LAST; i++)
+        weights[i] = 1;
+      weights[UP_DEVICE_KIND_BATTERY] = 2;
+      weights[UP_DEVICE_KIND_LINE_POWER] = 0;
+    }
+
+  return weights[kind];
+}
+
 /* sort devices from most interesting to least interesting on this criteria:
    1. discharging items from least time remaining until most time remaining
    2. discharging items with an unknown time remaining
    3. charging items from most time left to charge to least time left to charge
    4. charging items with an unknown time remaining
-   5. everything else */
+   5. batteries, then non-line power, then line-power */
 static gint
 device_compare_func (gconstpointer ga, gconstpointer gb)
 {
@@ -418,6 +444,21 @@ device_compare_func (gconstpointer ga, gconstpointer gb)
         }
     }
 
+  if (!ret) /* neither device is charging nor discharging... */
+    {
+      const int weight_a = get_device_kind_weight (a);
+      const int weight_b = get_device_kind_weight (b);
+
+      if (weight_a > weight_b)
+        {
+          ret = -1;
+        }
+      else if (weight_a < weight_b)
+        {
+          ret = 1;
+        }
+    }
+
   if (!ret)
     ret = a_state - b_state;