hw/dmx/dmxinput.c

   1 /*
   2  * Copyright 2001,2002 Red Hat Inc., Durham, North Carolina.
   3  *
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining
   7  * a copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation on the rights to use, copy, modify, merge,
  10  * publish, distribute, sublicense, and/or sell copies of the Software,
  11  * and to permit persons to whom the Software is furnished to do so,
  12  * subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial
  16  * portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21  * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
  22  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  23  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  25  * SOFTWARE.
  26  */
  27
  28 /*
  29  * Authors:
  30  *   David H. Dawes <dawes@xfree86.org>
  31  *   Kevin E. Martin <kem@redhat.com>
  32  *   Rickard E. (Rik) Faith <faith@redhat.com>
  33  *
  34  */
  35
  36 /** \file
  37  * Provide the main entry points for input initialization and processing
  38  * that arequired by the dix layer.
  39  */
  40
  41 #ifdef HAVE_DMX_CONFIG_H
  42 #include <dmx-config.h>
  43 #endif
  44
  45 #include "dmx.h"
  46 #include "dmxlog.h"
  47 #include "dmxinput.h"
  48
  49 #include "inputstr.h"
  50 #include "input.h"
  51 #include "mi.h"
  52
  53 /** Returns TRUE if the key is a valid modifier.  For PC-class
  54  * keyboards, all keys can be used as modifiers, so return TRUE
  55  * always. */
  56 Bool
  57 LegalModifier(unsigned int key, DeviceIntPtr pDev)
  58 {
  59     return TRUE;
  60 }
  61
  62 /** Called from dix/main.c on each server generation to initialize
  63  * inputs.  All the work is done in dmxInputInit.  \see
  64  * dmxInputInit() */
  65 void
  66 InitInput(int argc, char **argv)
  67 {
  68     int i;
  69     DMXInputInfo *dmxInput;
  70
  71     if (!dmxNumInputs)
  72         dmxLog(dmxFatal, "InitInput: no inputs specified\n");
  73
  74     for (i = 0, dmxInput = &dmxInputs[0]; i < dmxNumInputs; i++, dmxInput++)
  75         dmxInputInit(dmxInput);
  76
  77     mieqInit();
  78 }
  79
  80 void
  81 CloseInput(void)
  82 {
  83     mieqFini();
  84 }
  85
  86 /** Called from dix/dispatch.c in Dispatch() whenever input events
  87  * require processing.  All the work is done in the lower level
  88  * routines. */
  89 void
  90 ProcessInputEvents(void)
  91 {
  92     int i;
  93     DMXInputInfo *dmxInput;
  94
  95     for (i = 0, dmxInput = &dmxInputs[0]; i < dmxNumInputs; i++, dmxInput++)
  96         if (!dmxInput->detached && dmxInput->processInputEvents)
  97             dmxInput->processInputEvents(dmxInput);
  98 }
  99
 100 /** This routine is called from \a dmxwindow.c whenever the layout of
 101  * windows on the display might have changed.  This information is used
 102  * by input drivers (currently only the console driver) that provide
 103  * information about window layout to the user. */
 104 void
 105 dmxUpdateWindowInfo(DMXUpdateType type, WindowPtr pWindow)
 106 {
 107     int i;
 108     DMXInputInfo *dmxInput;
 109
 110     for (i = 0, dmxInput = &dmxInputs[0]; i < dmxNumInputs; i++, dmxInput++)
 111         if (!dmxInput->detached && dmxInput->updateWindowInfo)
 112             dmxInput->updateWindowInfo(dmxInput, type, pWindow);
 113 }
 114
 115 int
 116 NewInputDeviceRequest(InputOption *options, InputAttributes * attrs,
 117                       DeviceIntPtr *pdev)
 118 {
 119     return BadRequest;
 120 }
 121
 122 void
 123 DeleteInputDeviceRequest(DeviceIntPtr pDev)
 124 {
 125 }