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clutter/seat: Add private method to peek list of input devices

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Add a method to ClutterSeat that allows peeking the list of input
devices and allow looping through devices a bit faster. The API left is
private so we can make use of peeking the GList internally, but don't
have to expose any details to the outside, which means we'd have to
eventually stick with a GList forever to avoid breaking API.

Since we now have the peek_devices() API internally, we can implement
ClutterSeats public list_devices() API using g_list_copy() on the list
returned by peek_devices().

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1275
This commit is contained in:
Jonas Dreßler 2020-03-03 10:47:25 +01:00 committed by verdre
parent d4457d1f7f
commit 45c14f74b4
4 changed files with 22 additions and 19 deletions
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13
clutter/clutter/clutter-seat.c
View File

@ -354,6 +354,17 @@ clutter_seat_get_keyboard (ClutterSeat *seat)
return CLUTTER_SEAT_GET_CLASS (seat)->get_keyboard (seat);
}
/**
* clutter_seat_peek_devices: (skip)
**/
const GList *
clutter_seat_peek_devices (ClutterSeat *seat)
{
g_return_val_if_fail (CLUTTER_IS_SEAT (seat), NULL);
return CLUTTER_SEAT_GET_CLASS (seat)->peek_devices (seat);
}
/**
* clutter_seat_list_devices:
* @seat: a #ClutterSeat
@ -370,7 +381,7 @@ clutter_seat_list_devices (ClutterSeat *seat)
{
g_return_val_if_fail (CLUTTER_IS_SEAT (seat), NULL);
return CLUTTER_SEAT_GET_CLASS (seat)->list_devices (seat);
return g_list_copy ((GList *)clutter_seat_peek_devices (seat));
}
void

3
clutter/clutter/clutter-seat.h
View File

@ -96,7 +96,7 @@ struct _ClutterSeatClass
ClutterInputDevice * (* get_pointer) (ClutterSeat *seat);
ClutterInputDevice * (* get_keyboard) (ClutterSeat *seat);
GList * (* list_devices) (ClutterSeat *seat);
const GList * (* peek_devices) (ClutterSeat *seat);
void (* bell_notify) (ClutterSeat *seat);
@ -133,6 +133,7 @@ CLUTTER_EXPORT
ClutterInputDevice * clutter_seat_get_keyboard (ClutterSeat *seat);
CLUTTER_EXPORT
GList * clutter_seat_list_devices (ClutterSeat *seat);
const GList * clutter_seat_peek_devices (ClutterSeat *seat);
CLUTTER_EXPORT
void clutter_seat_bell_notify (ClutterSeat *seat);

13
src/backends/native/meta-seat-native.c
View File

@ -2636,17 +2636,12 @@ meta_seat_native_get_keyboard (ClutterSeat *seat)
return seat_native->core_keyboard;
}
static GList *
meta_seat_native_list_devices (ClutterSeat *seat)
static const GList *
meta_seat_native_peek_devices (ClutterSeat *seat)
{
MetaSeatNative *seat_native = META_SEAT_NATIVE (seat);
GList *devices = NULL;
GSList *l;
for (l = seat_native->devices; l; l = l->next)
devices = g_list_prepend (devices, l->data);
return devices;
return (const GList *) seat_native->devices;
}
static void
@ -2771,7 +2766,7 @@ meta_seat_native_class_init (MetaSeatNativeClass *klass)
seat_class->get_pointer = meta_seat_native_get_pointer;
seat_class->get_keyboard = meta_seat_native_get_keyboard;
seat_class->list_devices = meta_seat_native_list_devices;
seat_class->peek_devices = meta_seat_native_peek_devices;
seat_class->bell_notify = meta_seat_native_bell_notify;
seat_class->get_keymap = meta_seat_native_get_keymap;
seat_class->copy_event_data = meta_seat_native_copy_event_data;

12
src/backends/x11/meta-seat-x11.c
View File

@ -1471,16 +1471,12 @@ meta_seat_x11_get_keyboard (ClutterSeat *seat)
return seat_x11->core_keyboard;
}
static GList *
meta_seat_x11_list_devices (ClutterSeat *seat)
static const GList *
meta_seat_x11_peek_devices (ClutterSeat *seat)
{
MetaSeatX11 *seat_x11 = META_SEAT_X11 (seat);
GList *retval = NULL, *l;
for (l = seat_x11->devices; l; l = l->next)
retval = g_list_prepend (retval, l->data);
return retval;
return (const GList *) seat_x11->devices;
}
static void
@ -1565,7 +1561,7 @@ meta_seat_x11_class_init (MetaSeatX11Class *klass)
seat_class->get_pointer = meta_seat_x11_get_pointer;
seat_class->get_keyboard = meta_seat_x11_get_keyboard;
seat_class->list_devices = meta_seat_x11_list_devices;
seat_class->peek_devices = meta_seat_x11_peek_devices;
seat_class->bell_notify = meta_seat_x11_bell_notify;
seat_class->get_keymap = meta_seat_x11_get_keymap;
seat_class->copy_event_data = meta_seat_x11_copy_event_data;