[gnome-bluetooth] input: Make code actually work

[Bastien Nocera <hadess src gnome org>]

commit 9ea808ef75e91a395a6e2b0ddc11fedd52bf54ba
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Oct 30 18:42:50 2013 +0100

    input: Make code actually work
    
    Gather the presence or absence of mouse or keyboard correctly,
    and send out the signals.

 wizard/bluetooth-input.c |   30 ++++++++++++++++++++++++------
 1 files changed, 24 insertions(+), 6 deletions(-)
---
diff --git a/wizard/bluetooth-input.c b/wizard/bluetooth-input.c
index 92501ae..5e78372 100644
--- a/wizard/bluetooth-input.c
+++ b/wizard/bluetooth-input.c
@@ -45,7 +45,8 @@ static int signals[LAST_SIGNAL] = { 0 };
 typedef struct _BluetoothInputPrivate BluetoothInputPrivate;
 
 struct _BluetoothInputPrivate {
-       char *foo;
+       int has_mouse;
+       int has_keyboard;
 };
 
 G_DEFINE_TYPE(BluetoothInput, bluetooth_input, G_TYPE_OBJECT)
@@ -77,6 +78,7 @@ bluetooth_input_ignore_device (const char *name)
 void
 bluetooth_input_check_for_devices (BluetoothInput *input)
 {
+       BluetoothInputPrivate *priv = BLUETOOTH_INPUT_GET_PRIVATE(input);
        GdkDeviceManager *manager;
        GList *devices, *l;
        gboolean has_keyboard, has_mouse;
@@ -94,17 +96,31 @@ bluetooth_input_check_for_devices (BluetoothInput *input)
                if (bluetooth_input_ignore_device (gdk_device_get_name (device)) != FALSE)
                        continue;
                source = gdk_device_get_source (device);
-               if (source == GDK_SOURCE_KEYBOARD) {
+               if (source == GDK_SOURCE_KEYBOARD && !has_keyboard) {
                        g_debug ("has keyboard: %s", gdk_device_get_name (device));
                        has_keyboard = TRUE;
-                       //break;
-               } else {
+               } else if (!has_mouse) {
                        g_debug ("has mouse: %s", gdk_device_get_name (device));
                        has_mouse = TRUE;
-                       //break;
                }
 
-               //List and shit
+               if (has_mouse && has_keyboard)
+                       break;
+       }
+
+       if (has_mouse != priv->has_mouse) {
+               priv->has_mouse = has_mouse;
+               if (has_mouse)
+                       g_signal_emit_by_name (input, "mouse-appeared");
+               else
+                       g_signal_emit_by_name (input, "mouse-disappeared");
+       }
+       if (has_keyboard != priv->has_keyboard) {
+               priv->has_keyboard = has_keyboard;
+               if (has_keyboard)
+                       g_signal_emit_by_name (input, "keyboard-appeared");
+               else
+                       g_signal_emit_by_name (input, "keyboard-disappeared");
        }
 
        g_list_free (devices);
@@ -136,6 +152,8 @@ static void bluetooth_input_init(BluetoothInput *input)
 {
        BluetoothInputPrivate *priv = BLUETOOTH_INPUT_GET_PRIVATE(input);
 
+       priv->has_mouse = -1;
+       priv->has_keyboard = -1;
        set_devicepresence_handler (input);
 }