github.com/rajveermalviya/gamen@v0.1.2-0.20220930195403-9be15877c1aa/internal/xkbcommon/include/X11/extensions/dbe.h (about)

     1  /******************************************************************************
     2   *
     3   * Copyright (c) 1994, 1995  Hewlett-Packard Company
     4   *
     5   * Permission is hereby granted, free of charge, to any person obtaining
     6   * a copy of this software and associated documentation files (the
     7   * "Software"), to deal in the Software without restriction, including
     8   * without limitation the rights to use, copy, modify, merge, publish,
     9   * distribute, sublicense, and/or sell copies of the Software, and to
    10   * permit persons to whom the Software is furnished to do so, subject to
    11   * the following conditions:
    12   *
    13   * The above copyright notice and this permission notice shall be included
    14   * in all copies or substantial portions of the Software.
    15   *
    16   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
    17   * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
    18   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
    19   * IN NO EVENT SHALL HEWLETT-PACKARD COMPANY BE LIABLE FOR ANY CLAIM,
    20   * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
    21   * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
    22   * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    23   *
    24   * Except as contained in this notice, the name of the Hewlett-Packard
    25   * Company shall not be used in advertising or otherwise to promote the
    26   * sale, use or other dealings in this Software without prior written
    27   * authorization from the Hewlett-Packard Company.
    28   *
    29   *     Header file for Xlib-related DBE
    30   *
    31   *****************************************************************************/
    32  
    33  #ifndef DBE_H
    34  #define DBE_H
    35  
    36  /* Values for swap_action field of XdbeSwapInfo structure */
    37  #define XdbeUndefined    0
    38  #define XdbeBackground   1
    39  #define XdbeUntouched    2
    40  #define XdbeCopied       3
    41  
    42  /* Errors */
    43  #define XdbeBadBuffer    0
    44  
    45  #define DBE_PROTOCOL_NAME "DOUBLE-BUFFER"
    46  
    47  /* Current version numbers */
    48  #define DBE_MAJOR_VERSION       1
    49  #define DBE_MINOR_VERSION       0
    50  
    51  /* Used when adding extension; also used in Xdbe macros */
    52  #define DbeNumberEvents			0
    53  #define DbeBadBuffer			0
    54  #define DbeNumberErrors			(DbeBadBuffer + 1)
    55  
    56  #endif /* DBE_H */
    57