/*
* Copyright © 2013 Ran Benita
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "x11-priv.h"
static bool
update_initial_state(struct xkb_state *state, xcb_connection_t *conn,
uint16_t device_id)
{
xcb_xkb_get_state_cookie_t cookie =
xcb_xkb_get_state(conn, device_id);
xcb_xkb_get_state_reply_t *reply =
xcb_xkb_get_state_reply(conn, cookie, NULL);
if (!reply)
return false;
xkb_state_update_mask(state,
reply->baseMods,
reply->latchedMods,
reply->lockedMods,
reply->baseGroup,
reply->latchedGroup,
reply->lockedGroup);
free(reply);
return true;
}
XKB_EXPORT struct xkb_state *
xkb_x11_state_new_from_device(struct xkb_keymap *keymap,
xcb_connection_t *conn, int32_t device_id)
{
struct xkb_state *state;
if (device_id < 0 || device_id > 255) {
log_err_func(keymap->ctx, "illegal device ID: %d", device_id);
return NULL;
}
state = xkb_state_new(keymap);
if (!state)
return NULL;
if (!update_initial_state(state, conn, device_id)) {
xkb_state_unref(state);
return NULL;
}
return state;
}