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kc3-lang/libxkbcommon/src/x11/state.c

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  • Author : Pierre Le Marre
    Date : 2024-09-24 21:51:14
    Hash : 8b45556d
    Message : logging: Make log_err_func* use a message ID

  • src/x11/state.c
  • /*
     * 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 "config.h"
    
    #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, XKB_LOG_MESSAGE_NO_ID,
                         "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;
    }