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device-manager: Add private interface to manipulate platform event data

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This normally belonged to the ClutterBackend, however there's device
managers (eg. evdev) that are somewhat detached from the backend, so
need to bridge this somehow.

This allows device managers to implement these bits that were usually
responsibility of the ClutterBackend.

https://bugzilla.gnome.org/show_bug.cgi?id=758238
This commit is contained in:
Carlos Garnacho 2015-11-17 17:35:55 +01:00
parent 89a794ec46
commit 5ea70bd102
2 changed files with 29 additions and 0 deletions
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20
clutter/clutter-device-manager-private.h
View File

@ -145,6 +145,26 @@ struct _ClutterInputDeviceClass
guint *evdev_keycode);
};
/* Platform-dependent interface */
typedef struct _ClutterEventExtender ClutterEventExtender;
typedef struct _ClutterEventExtenderInterface ClutterEventExtenderInterface;
#define CLUTTER_TYPE_EVENT_EXTENDER (clutter_event_extender_get_type ())
#define CLUTTER_EVENT_EXTENDER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), CLUTTER_TYPE_EVENT_EXTENDER, ClutterEventExtender))
#define CLUTTER_IS_EVENT_EXTENDER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), CLUTTER_TYPE_EVENT_EXTENDER))
#define CLUTTER_EVENT_EXTENDER_GET_IFACE(o) (G_TYPE_INSTANCE_GET_INTERFACE ((o), CLUTTER_TYPE_EVENT_EXTENDER, ClutterEventExtenderInterface))
struct _ClutterEventExtenderInterface
{
void (* copy_event_data) (ClutterEventExtender *event_extender,
const ClutterEvent *src,
ClutterEvent *dest);
void (* free_event_data) (ClutterEventExtender *event_extender,
ClutterEvent *event);
};
GType clutter_event_extender_get_type (void) G_GNUC_CONST;
/* device manager */
void _clutter_device_manager_add_device (ClutterDeviceManager *device_manager,
ClutterInputDevice *device);

9
clutter/clutter-device-manager.c
View File

@ -79,6 +79,15 @@ G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (ClutterDeviceManager,
clutter_device_manager,
G_TYPE_OBJECT)
G_DEFINE_INTERFACE (ClutterEventExtender,
clutter_event_extender,
CLUTTER_TYPE_DEVICE_MANAGER)
static void
clutter_event_extender_default_init (ClutterEventExtenderInterface *iface)
{
}
static void
clutter_device_manager_set_property (GObject *gobject,
guint prop_id,