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  1.  
  2.  /*
  3.   * Copyright 1990, 1991 by OMRON Corporation
  4.   *
  5.   * Permission to use, copy, modify, distribute, and sell this software and its
  6.   * documentation for any purpose is hereby granted without fee, provided that
  7.   * the above copyright notice appear in all copies and that both that
  8.   * copyright notice and this permission notice appear in supporting
  9.   * documentation, and that the name OMRON not be used in
  10.   * advertising or publicity pertaining to distribution of the software without
  11.   * specific, written prior permission.  OMRON makes no representations
  12.   * about the suitability of this software for any purpose.  It is provided
  13.   * "as is" without express or implied warranty.
  14.   *
  15.   * OMRON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  16.   * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  17.   * EVENT SHALL OMRON BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  18.   * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  19.   * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  20.   * TORTUOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  21.   * PERFORMANCE OF THIS SOFTWARE.
  22.   *
  23.   *     Author: Seiji Kuwari    OMRON Corporation
  24.   *                             kuwa@omron.co.jp
  25.   *                             kuwa%omron.co.jp@uunet.uu.net
  26.   */
  27.  
  28. /*
  29.  
  30. Copyright 1991, 1998  The Open Group
  31.  
  32. Permission to use, copy, modify, distribute, and sell this software and its
  33. documentation for any purpose is hereby granted without fee, provided that
  34. the above copyright notice appear in all copies and that both that
  35. copyright notice and this permission notice appear in supporting
  36. documentation.
  37.  
  38. The above copyright notice and this permission notice shall be included
  39. in all copies or substantial portions of the Software.
  40.  
  41. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  42. OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  43. MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  44. IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
  45. OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  46. ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  47. OTHER DEALINGS IN THE SOFTWARE.
  48.  
  49. Except as contained in this notice, the name of The Open Group shall
  50. not be used in advertising or otherwise to promote the sale, use or
  51. other dealings in this Software without prior written authorization
  52. from The Open Group.
  53.  
  54. */
  55.  
  56. #ifdef HAVE_CONFIG_H
  57. #include <config.h>
  58. #else
  59. #define XLOCALE 1
  60. #endif
  61. #include "Xlibint.h"
  62. #if XLOCALE
  63. #include "Xlcint.h"
  64. #endif
  65.  
  66. extern long const _Xevent_to_mask[];
  67.  
  68. /*
  69.  * Look up if there is a specified filter for the event.
  70.  */
  71. Bool
  72. XFilterEvent(
  73.     XEvent *ev,
  74.     Window window)
  75. {
  76. #if XLOCALE
  77.     XFilterEventList    p;
  78.     Window              win;
  79.     long                mask;
  80.     Bool                ret;
  81.  
  82.     if (window)
  83.         win = window;
  84.     else
  85.         win = ev->xany.window;
  86.     if (ev->type >= LASTEvent)
  87.         mask = 0;
  88.     else
  89.         mask = _Xevent_to_mask[ev->type];
  90.  
  91.     LockDisplay(ev->xany.display);
  92.     for (p = ev->xany.display->im_filters; p != NULL; p = p->next) {
  93.         if (win == p->window) {
  94.             if ((mask & p->event_mask) ||
  95.                 (ev->type >= p->start_type && ev->type <= p->end_type)) {
  96.                 UnlockDisplay(ev->xany.display);
  97.                 ret = (*(p->filter))(ev->xany.display, p->window, ev,
  98.                                       p->client_data);
  99.                 return(ret);
  100.             }
  101.         }
  102.     }
  103.     UnlockDisplay(ev->xany.display);
  104. #endif
  105.     return(False);
  106. }