[gnome-settings-daemon] wacom: Warn when devices use the fallback definition

[Joaquim Manuel Pereira Rocha <jrocha src gnome org>]

commit 66e822badbc256fc48716215d15d50544476e1d7
Author: Joaquim Rocha <jrocha redhat com>
Date:   Tue May 28 11:08:03 2013 +0200

    wacom: Warn when devices use the fallback definition
    
    It just warns once per device.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=668611

 plugins/wacom/gsd-wacom-manager.c |   25 +++++++++++++++++++++++++
 1 files changed, 25 insertions(+), 0 deletions(-)
---
diff --git a/plugins/wacom/gsd-wacom-manager.c b/plugins/wacom/gsd-wacom-manager.c
index 51fa57c..1cd842c 100644
--- a/plugins/wacom/gsd-wacom-manager.c
+++ b/plugins/wacom/gsd-wacom-manager.c
@@ -88,6 +88,7 @@ struct GsdWacomManagerPrivate
         guint device_removed_id;
         GHashTable *devices; /* key = GdkDevice, value = GsdWacomDevice */
         GnomeRRScreen *rr_screen;
+        GHashTable *warned_devices;
 
         /* button capture */
         GdkScreen *screen;
@@ -1005,8 +1006,25 @@ device_added_cb (GdkDeviceManager *device_manager,
 {
        GsdWacomDevice *device;
        GSettings *settings;
+       const gchar *device_name;
 
        device = gsd_wacom_device_new (gdk_device);
+       device_name = gsd_wacom_device_get_name (device);
+
+        if (gsd_wacom_device_is_fallback (device) &&
+            gsd_wacom_device_get_device_type (device) != WACOM_TYPE_TOUCH &&
+            device_name != NULL) {
+                GHashTable *warned_devices;
+
+                warned_devices = manager->priv->warned_devices;
+
+                if (!g_hash_table_contains (warned_devices, device_name)) {
+                        g_warning ("No definition for  '%s' found in the tablet database. Using a fallback 
one.",
+                                   device_name);
+                        g_hash_table_insert (warned_devices, g_strdup (device_name), NULL);
+                }
+        }
+
        if (gsd_wacom_device_get_device_type (device) == WACOM_TYPE_INVALID) {
                g_object_unref (device);
                return;
@@ -1389,6 +1407,8 @@ gsd_wacom_manager_idle_cb (GsdWacomManager *manager)
 
         gnome_settings_profile_start (NULL);
 
+        manager->priv->warned_devices = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+
         manager->priv->devices = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_object_unref);
 
         set_devicepresence_handler (manager);
@@ -1724,6 +1744,11 @@ gsd_wacom_manager_finalize (GObject *object)
 
         g_return_if_fail (wacom_manager->priv != NULL);
 
+        if (wacom_manager->priv->warned_devices) {
+                g_hash_table_destroy (wacom_manager->priv->warned_devices);
+                wacom_manager->priv->warned_devices = NULL;
+        }
+
         if (wacom_manager->priv->devices) {
                 g_hash_table_destroy (wacom_manager->priv->devices);
                 wacom_manager->priv->devices = NULL;