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backends: Fetch libwacom information for tablets in MetaInputSettings

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Given that information defines largely how such devices are to be
configured, it makes sense to have that information at hand. A getter
has been also added for the places where it could be useful, although
it will require HAVE_LIBWACOM checks in callers too.
This commit is contained in:
Carlos Garnacho 2016-05-13 13:20:07 +02:00
parent 1bf263f038
commit f81e0f8922
2 changed files with 69 additions and 0 deletions
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9
src/backends/meta-input-settings-private.h
View File

@ -27,6 +27,10 @@
#include <clutter/clutter.h>
#ifdef HAVE_LIBWACOM
#include <libwacom/libwacom.h>
#endif
#define META_TYPE_INPUT_SETTINGS (meta_input_settings_get_type ())
#define META_INPUT_SETTINGS(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_INPUT_SETTINGS, MetaInputSettings))
#define META_INPUT_SETTINGS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), META_TYPE_INPUT_SETTINGS, MetaInputSettingsClass))
@ -102,4 +106,9 @@ MetaInputSettings * meta_input_settings_create (void);
GDesktopTabletMapping meta_input_settings_get_tablet_mapping (MetaInputSettings *settings,
ClutterInputDevice *device);
#ifdef HAVE_LIBWACOM
WacomDevice * meta_input_settings_get_tablet_wacom_device (MetaInputSettings *settings,
ClutterInputDevice *device);
#endif
#endif /* META_INPUT_SETTINGS_PRIVATE_H */

60
src/backends/meta-input-settings.c
View File

@ -48,6 +48,9 @@ struct _DeviceMappingInfo
MetaInputSettings *input_settings;
ClutterInputDevice *device;
GSettings *settings;
#ifdef HAVE_LIBWACOM
WacomDevice *wacom_device;
#endif
};
struct _MetaInputSettingsPrivate
@ -62,6 +65,10 @@ struct _MetaInputSettingsPrivate
GSettings *keyboard_settings;
GHashTable *mappable_devices;
#ifdef HAVE_LIBWACOM
WacomDeviceDatabase *wacom_db;
#endif
};
typedef void (*ConfigBoolFunc) (MetaInputSettings *input_settings,
@ -122,6 +129,9 @@ meta_input_settings_dispose (GObject *object)
g_clear_object (&priv->monitor_manager);
if (priv->wacom_db)
libwacom_database_destroy (priv->wacom_db);
G_OBJECT_CLASS (meta_input_settings_parent_class)->dispose (object);
}
@ -851,6 +861,10 @@ monitors_changed_cb (MetaMonitorManager *monitor_manager,
static void
device_mapping_info_free (DeviceMappingInfo *info)
{
#ifdef HAVE_LIBWACOM
if (info->wacom_device)
libwacom_destroy (info->wacom_device);
#endif
g_object_unref (info->settings);
g_slice_free (DeviceMappingInfo, info);
}
@ -875,6 +889,26 @@ check_add_mappable_device (MetaInputSettings *input_settings,
info->device = device;
info->settings = settings;
#ifdef HAVE_LIBWACOM
if (clutter_input_device_get_device_type (device) == CLUTTER_TABLET_DEVICE ||
clutter_input_device_get_device_type (device) == CLUTTER_PAD_DEVICE)
{
WacomError *error = libwacom_error_new ();
info->wacom_device = libwacom_new_from_path (priv->wacom_db,
clutter_input_device_get_device_node (device),
WFALLBACK_NONE, error);
if (!info->wacom_device)
{
g_warning ("Could not get tablet information for '%s': %s",
clutter_input_device_get_device_name (device),
libwacom_error_get_message (error));
}
libwacom_error_free (&error);
}
#endif
g_signal_connect (settings, "changed",
G_CALLBACK (mapped_device_changed_cb), info);
@ -1000,6 +1034,13 @@ meta_input_settings_init (MetaInputSettings *settings)
priv->monitor_manager = g_object_ref (meta_monitor_manager_get ());
g_signal_connect (priv->monitor_manager, "monitors-changed",
G_CALLBACK (monitors_changed_cb), settings);
priv->wacom_db = libwacom_database_new ();
if (!priv->wacom_db)
{
g_warning ("Could not create database of Wacom devices, "
"expect tablets to misbehave");
}
}
MetaInputSettings *
@ -1037,3 +1078,22 @@ meta_input_settings_get_tablet_mapping (MetaInputSettings *settings,
return g_settings_get_enum (info->settings, "mapping");
}
#ifdef HAVE_LIBWACOM
WacomDevice *
meta_input_settings_get_tablet_wacom_device (MetaInputSettings *settings,
ClutterInputDevice *device)
{
MetaInputSettingsPrivate *priv;
DeviceMappingInfo *info;
g_return_val_if_fail (META_IS_INPUT_SETTINGS (settings), NULL);
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (device), NULL);
priv = meta_input_settings_get_instance_private (settings);
info = g_hash_table_lookup (priv->mappable_devices, device);
g_return_val_if_fail (info != NULL, NULL);
return info->wacom_device;
}
#endif /* HAVE_LIBWACOM */