libs-back/Source/wayland/WaylandServer+Seat.m
2021-11-23 14:00:01 -05:00

92 lines
3.1 KiB
Objective-C
Executable file

/*
WaylandServer - Seat Handling
Copyright (C) 2020 Free Software Foundation, Inc.
Author: Riccardo Canalicchio <riccardo.canalicchio(at)gmail.com>
Date: November 2021
This file is part of the GNU Objective C Backend Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; see the file COPYING.LIB.
If not, see <http://www.gnu.org/licenses/> or write to the
Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "wayland/WaylandServer.h"
extern const struct wl_keyboard_listener keyboard_listener;
extern const struct wl_pointer_listener pointer_listener;
static void
seat_handle_capabilities(void *data, struct wl_seat *seat,
enum wl_seat_capability caps)
{
WaylandConfig *wlconfig = data;
if ((caps & WL_SEAT_CAPABILITY_POINTER) && !wlconfig->pointer.wlpointer)
{
wlconfig->pointer.wlpointer = wl_seat_get_pointer(seat);
wl_pointer_set_user_data(wlconfig->pointer.wlpointer, wlconfig);
wl_pointer_add_listener(wlconfig->pointer.wlpointer, &pointer_listener,
wlconfig);
}
else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && wlconfig->pointer.wlpointer)
{
if (wlconfig->seat_version >= WL_POINTER_RELEASE_SINCE_VERSION)
wl_pointer_release(wlconfig->pointer.wlpointer);
else
wl_pointer_destroy(wlconfig->pointer.wlpointer);
wlconfig->pointer.wlpointer = NULL;
}
wl_display_dispatch_pending(wlconfig->display);
wl_display_flush(wlconfig->display);
if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !wlconfig->keyboard)
{
wlconfig->keyboard = wl_seat_get_keyboard(seat);
wl_keyboard_set_user_data(wlconfig->keyboard, wlconfig);
wl_keyboard_add_listener(wlconfig->keyboard, &keyboard_listener,
wlconfig);
}
else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && wlconfig->keyboard)
{
if (wlconfig->seat_version >= WL_KEYBOARD_RELEASE_SINCE_VERSION)
wl_keyboard_release(wlconfig->keyboard);
else
wl_keyboard_destroy(wlconfig->keyboard);
wlconfig->keyboard = NULL;
}
#if 0
if ((caps & WL_SEAT_CAPABILITY_TOUCH) && !input->touch) {
input->touch = wl_seat_get_touch(seat);
wl_touch_set_user_data(input->touch, input);
wl_touch_add_listener(input->touch, &touch_listener, input);
} else if (!(caps & WL_SEAT_CAPABILITY_TOUCH) && input->touch) {
if (input->seat_version >= WL_TOUCH_RELEASE_SINCE_VERSION)
wl_touch_release(input->touch);
else
wl_touch_destroy(input->touch);
input->touch = NULL;
}
#endif
}
const struct wl_seat_listener seat_listener = {
seat_handle_capabilities,
};