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Add an input device function to convert keycodes to evdev codes

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This adds a virtual function to ClutterInputDevice to translate a
keycode from the hardware_keycode member of ClutterKeyEvent to an
evdev keycode. The function can fail so that input backends that don't
have a sensible way to translate to evdev keycodes can return FALSE.
There are implementations for evdev, wayland and X. The X
implementation assumes that the X server is using an evdev driver in
which case the hardware keycodes are the evdev codes plus 8.

Reviewed-by: Emmanuele Bassi <ebassi@linux.intel.com>
This commit is contained in:
Neil Roberts
2012-01-17 15:40:08 +00:00
parent a3bbcff946
commit 13e3f9e5f1
8 changed files with 93 additions and 0 deletions
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12
clutter/evdev/clutter-input-device-evdev.c
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@ -123,6 +123,17 @@ clutter_input_device_evdev_finalize (GObject *object)
G_OBJECT_CLASS (clutter_input_device_evdev_parent_class)->finalize (object);
}
static gboolean
clutter_input_device_evdev_keycode_to_evdev (ClutterInputDevice *device,
guint hardware_keycode,
guint *evdev_keycode)
{
/* The hardware keycodes from the evdev backend are already evdev
keycodes */
*evdev_keycode = hardware_keycode;
return TRUE;
}
static void
clutter_input_device_evdev_class_init (ClutterInputDeviceEvdevClass *klass)
{
@ -134,6 +145,7 @@ clutter_input_device_evdev_class_init (ClutterInputDeviceEvdevClass *klass)
object_class->get_property = clutter_input_device_evdev_get_property;
object_class->set_property = clutter_input_device_evdev_set_property;
object_class->finalize = clutter_input_device_evdev_finalize;
klass->keycode_to_evdev = clutter_input_device_evdev_keycode_to_evdev;
/*
* ClutterInputDeviceEvdev:udev-device: