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440
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1 /* GPM (General purpose mouse) functions
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428
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2 Copyright (C) 1997 William M. Perry <wmperry@gnu.org>
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3 Copyright (C) 1999 Free Software Foundation, Inc.
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793
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4 Copyright (C) 2002 Ben Wing.
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5
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6 This file is part of XEmacs.
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7
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8 XEmacs is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 2, or (at your option) any
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11 later version.
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12
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13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with XEmacs; see the file COPYING. If not, write to
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20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 Boston, MA 02111-1307, USA. */
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428
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22
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23 /* Synched up with: Not in FSF. */
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24
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25 /* Authors: William Perry */
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26
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27 #include <config.h>
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28 #include "lisp.h"
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793
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29
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30 #include "commands.h"
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31 #include "console-tty.h"
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428
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32 #include "console.h"
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33 #include "device.h"
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34 #include "events.h"
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793
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35 #include "lstream.h"
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36 #include "process.h"
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428
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37 #include "sysdep.h"
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793
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38
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428
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39 #include "sysproc.h" /* for MAXDESC */
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40
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41 #ifdef HAVE_GPM
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42 #include "gpmevent.h"
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43 #include <gpm.h>
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44
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45 #define KG_SHIFT 0
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46 #define KG_CTRL 2
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47 #define KG_ALT 3
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48
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49 extern int gpm_tried;
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50 extern void *gpm_stack;
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51
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52 static int (*orig_event_pending_p) (int);
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440
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53 static void (*orig_next_event_cb) (Lisp_Event *);
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428
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54
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55 static Lisp_Object gpm_event_queue;
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56 static Lisp_Object gpm_event_queue_tail;
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57
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793
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58 struct __gpm_state
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59 {
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60 int gpm_tried;
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61 int gpm_flag;
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62 void *gpm_stack;
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428
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63 };
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64
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65 static struct __gpm_state gpm_state_information[MAXDESC];
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66
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67 static void
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68 store_gpm_state (int fd)
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69 {
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793
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70 gpm_state_information[fd].gpm_tried = gpm_tried;
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71 gpm_state_information[fd].gpm_flag = gpm_flag;
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72 gpm_state_information[fd].gpm_stack = gpm_stack;
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428
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73 }
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74
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75 static void
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76 restore_gpm_state (int fd)
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77 {
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793
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78 gpm_tried = gpm_state_information[fd].gpm_tried;
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79 gpm_flag = gpm_state_information[fd].gpm_flag;
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80 gpm_stack = gpm_state_information[fd].gpm_stack;
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81 gpm_consolefd = gpm_fd = fd;
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428
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82 }
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83
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84 static void
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85 clear_gpm_state (int fd)
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86 {
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793
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87 if (fd >= 0)
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88 memset (&gpm_state_information[fd], '\0', sizeof (struct __gpm_state));
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89 gpm_tried = gpm_flag = 1;
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90 gpm_fd = gpm_consolefd = -1;
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91 gpm_stack = NULL;
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428
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92 }
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93
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94 static int
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440
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95 get_process_infd (Lisp_Process *p)
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428
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96 {
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97 Lisp_Object instr, outstr;
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98 get_process_streams (p, &instr, &outstr);
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99 assert (!NILP (instr));
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100 return filedesc_stream_fd (XLSTREAM (instr));
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101 }
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102
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103 DEFUN ("receive-gpm-event", Freceive_gpm_event, 0, 2, 0, /*
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104 Run GPM_GetEvent().
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105 This function is the process handler for the GPM connection.
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106 */
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107 (process, string))
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108 {
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793
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109 Gpm_Event ev;
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110 int modifiers = 0;
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111 int button = 1;
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112 Lisp_Object fake_event = Qnil;
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113 Lisp_Event *event = NULL;
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114 struct gcpro gcpro1;
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115 static int num_events;
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428
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116
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793
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117 CHECK_PROCESS (process);
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428
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118
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793
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119 restore_gpm_state (get_process_infd (XPROCESS (process)));
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428
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120
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793
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121 if (!Gpm_GetEvent (&ev))
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122 {
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123 warn_when_safe (Qnil, Qerror,
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124 "Gpm_GetEvent failed - %d", gpm_fd);
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125 return (Qzero);
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126 }
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428
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127
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793
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128 GCPRO1 (fake_event);
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428
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129
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793
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130 num_events++;
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131
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132 fake_event = Fmake_event (Qnil, Qnil);
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133 event = XEVENT (fake_event);
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428
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134
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793
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135 event->timestamp = 0;
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136 event->channel = Fselected_frame (Qnil); /* CONSOLE_SELECTED_FRAME (con); */
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428
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137
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793
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138 /* Whow, wouldn't named defines be NICE!?!?! */
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139 modifiers = 0;
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428
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140
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793
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141 if (ev.modifiers & 1) modifiers |= XEMACS_MOD_SHIFT;
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142 if (ev.modifiers & 2) modifiers |= XEMACS_MOD_META;
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143 if (ev.modifiers & 4) modifiers |= XEMACS_MOD_CONTROL;
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144 if (ev.modifiers & 8) modifiers |= XEMACS_MOD_META;
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145
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146 if (ev.buttons & GPM_B_LEFT)
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147 button = 1;
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148 else if (ev.buttons & GPM_B_MIDDLE)
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149 button = 2;
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150 else if (ev.buttons & GPM_B_RIGHT)
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151 button = 3;
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428
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152
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793
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153 switch (GPM_BARE_EVENTS (ev.type))
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154 {
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155 case GPM_DOWN:
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156 case GPM_UP:
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157 event->event_type =
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158 (ev.type & GPM_DOWN) ? button_press_event : button_release_event;
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159 event->event.button.x = ev.x;
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160 event->event.button.y = ev.y;
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161 event->event.button.button = button;
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162 event->event.button.modifiers = modifiers;
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163 break;
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164 case GPM_MOVE:
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165 case GPM_DRAG:
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166 event->event_type = pointer_motion_event;
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167 event->event.motion.x = ev.x;
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168 event->event.motion.y = ev.y;
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169 event->event.motion.modifiers = modifiers;
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170 default:
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171 /* This will never happen */
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172 break;
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173 }
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428
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174
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793
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175 /* Handle the event */
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176 enqueue_event (fake_event, &gpm_event_queue, &gpm_event_queue_tail);
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428
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177
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793
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178 UNGCPRO;
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428
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179
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793
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180 return (Qzero);
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428
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181 }
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182
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183 static void turn_off_gpm (char *process_name)
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184 {
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793
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185 Lisp_Object process = Fget_process (build_string (process_name));
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186 int fd = -1;
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428
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187
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793
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188 if (NILP (process))
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189 /* Something happened to our GPM process - fail silently */
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190 return;
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428
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191
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793
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192 fd = get_process_infd (XPROCESS (process));
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428
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193
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793
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194 restore_gpm_state (fd);
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428
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195
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793
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196 Gpm_Close();
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428
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197
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793
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198 clear_gpm_state (fd);
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428
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199
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793
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200 Fdelete_process (build_string (process_name));
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428
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201 }
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202
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|
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203 #ifdef TIOCLINUX
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204 static Lisp_Object
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793
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205 tty_get_foreign_selection (Lisp_Object selection_symbol,
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206 Lisp_Object target_type)
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428
|
207 {
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|
793
|
208 /* This function can GC */
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|
209 struct device *d = decode_device (Qnil);
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|
210 int fd = DEVICE_INFD (d);
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|
211 char c = 3;
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|
212 Lisp_Object output_stream = Qnil;
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|
213 Lisp_Object terminal_stream = Qnil;
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|
214 Lisp_Object output_string = Qnil;
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|
215 struct gcpro gcpro1,gcpro2,gcpro3;
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216
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|
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217 GCPRO3(output_stream,terminal_stream,output_string);
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|
428
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218
|
|
793
|
219 /* The ioctl() to paste actually puts things in the input queue of
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|
220 ** the virtual console, so we need to trap that data, since we are
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|
221 ** supposed to return the actual string selection from this
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|
222 ** function.
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|
223 */
|
|
428
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224
|
|
793
|
225 /* I really hate doing this, but it doesn't seem to cause any
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226 ** problems, and it makes the Lstream_read stuff further down
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|
227 ** error out correctly instead of trying to indefinitely read from
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228 ** the console.
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229 **
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|
230 ** There is no set_descriptor_blocking() function call, but in my
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231 ** testing under linux, it has not proved fatal to leave the
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232 ** descriptor in non-blocking mode.
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|
233 **
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|
234 ** William Perry Nov 5, 1999
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235 */
|
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|
236 set_descriptor_non_blocking (fd);
|
|
428
|
237
|
|
793
|
238 /* We need two streams, one for reading from the selected device,
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|
239 ** and one to write the data into. There is no writable version
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|
240 ** of the lisp-string lstream, so we make do with a resizing
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|
241 ** buffer stream, and make a string out of it after we are
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|
242 ** done.
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|
243 */
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|
244 output_stream = make_resizing_buffer_output_stream ();
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|
245 terminal_stream = make_filedesc_input_stream (fd, 0, -1, LSTR_BLOCKED_OK);
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|
|
246 output_string = Qnil;
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|
|
247
|
|
|
248 /* #### We should arguably use a specbind() and an unwind routine here,
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|
|
249 ** #### but I don't care that much right now.
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|
|
250 */
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|
|
251 if (NILP (output_stream) || NILP (terminal_stream))
|
|
|
252 /* Should we signal an error here? */
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|
|
253 goto out;
|
|
428
|
254
|
|
793
|
255 if (ioctl (fd, TIOCLINUX, &c) < 0)
|
|
|
256 {
|
|
|
257 /* Could not get the selection - eek */
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|
|
258 UNGCPRO;
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|
|
259 return (Qnil);
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|
|
260 }
|
|
428
|
261
|
|
793
|
262 while (1)
|
|
|
263 {
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|
|
264 Intbyte tempbuf[1024]; /* some random amount */
|
|
|
265 Bytecount i;
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|
|
266 Bytecount size_in_bytes =
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|
|
267 Lstream_read (XLSTREAM (terminal_stream),
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|
|
268 tempbuf, sizeof (tempbuf));
|
|
|
269
|
|
|
270 if (size_in_bytes <= 0)
|
|
|
271 /* end of the stream */
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|
|
272 break;
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|
|
273
|
|
|
274 /* convert CR->LF */
|
|
|
275 for (i = 0; i < size_in_bytes; i++)
|
|
428
|
276 {
|
|
793
|
277 if (tempbuf[i] == '\r')
|
|
|
278 tempbuf[i] = '\n';
|
|
428
|
279 }
|
|
|
280
|
|
793
|
281 Lstream_write (XLSTREAM (output_stream), tempbuf, size_in_bytes);
|
|
|
282 }
|
|
428
|
283
|
|
793
|
284 Lstream_flush (XLSTREAM (output_stream));
|
|
428
|
285
|
|
793
|
286 output_string =
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|
|
287 make_string (resizing_buffer_stream_ptr (XLSTREAM (output_stream)),
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|
|
288 Lstream_byte_count (XLSTREAM (output_stream)));
|
|
428
|
289
|
|
793
|
290 Lstream_delete (XLSTREAM (output_stream));
|
|
|
291 Lstream_delete (XLSTREAM (terminal_stream));
|
|
428
|
292
|
|
|
293 out:
|
|
793
|
294 UNGCPRO;
|
|
|
295 return (output_string);
|
|
428
|
296 }
|
|
|
297
|
|
|
298 static Lisp_Object
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|
442
|
299 tty_selection_exists_p (Lisp_Object selection, Lisp_Object selection_type)
|
|
428
|
300 {
|
|
793
|
301 return (Qt);
|
|
428
|
302 }
|
|
|
303 #endif /* TIOCLINUX */
|
|
|
304
|
|
|
305 #if 0
|
|
|
306 static Lisp_Object
|
|
442
|
307 tty_own_selection (Lisp_Object selection_name, Lisp_Object selection_value,
|
|
|
308 Lisp_Object how_to_add, Lisp_Object selection_type)
|
|
428
|
309 {
|
|
793
|
310 /* There is no way to do this cleanly - the GPM selection
|
|
|
311 ** 'protocol' (actually the TIOCLINUX ioctl) requires a start and
|
|
|
312 ** end position on the _screen_, not a string to stick in there.
|
|
|
313 ** Lame.
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|
|
314 **
|
|
|
315 ** William Perry Nov 4, 1999
|
|
|
316 */
|
|
428
|
317 }
|
|
|
318 #endif
|
|
|
319
|
|
|
320 /* This function appears to work once in a blue moon. I'm not sure
|
|
793
|
321 ** exactly why either. *sigh*
|
|
|
322 **
|
|
|
323 ** William Perry Nov 4, 1999
|
|
|
324 **
|
|
|
325 ** Apparently, this is the way (mouse-position) is supposed to work,
|
|
|
326 ** and I was just expecting something else. (mouse-pixel-position)
|
|
|
327 ** works just fine.
|
|
|
328 **
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|
|
329 ** William Perry Nov 7, 1999
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|
|
330 */
|
|
428
|
331 static int
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|
|
332 tty_get_mouse_position (struct device *d, Lisp_Object *frame, int *x, int *y)
|
|
|
333 {
|
|
793
|
334 Gpm_Event ev;
|
|
|
335 int num_buttons;
|
|
428
|
336
|
|
793
|
337 memset(&ev,'\0',sizeof(ev));
|
|
428
|
338
|
|
793
|
339 num_buttons = Gpm_GetSnapshot(&ev);
|
|
428
|
340
|
|
793
|
341 if (!num_buttons)
|
|
|
342 /* This means there are events pending... */
|
|
428
|
343
|
|
793
|
344 /* #### In theory, we should drain the events pending, stick
|
|
|
345 ** #### them in the queue, and return the mouse position
|
|
|
346 ** #### anyway.
|
|
|
347 */
|
|
|
348 return (-1);
|
|
|
349 *x = ev.x;
|
|
|
350 *y = ev.y;
|
|
|
351 *frame = DEVICE_SELECTED_FRAME (d);
|
|
|
352 return (1);
|
|
428
|
353 }
|
|
|
354
|
|
|
355 static void
|
|
|
356 tty_set_mouse_position (struct window *w, int x, int y)
|
|
|
357 {
|
|
793
|
358 /*
|
|
|
359 #### I couldn't find any GPM functions that set the mouse position.
|
|
|
360 #### Mr. Perry had left this function empty; that must be why.
|
|
|
361 #### karlheg
|
|
|
362 */
|
|
428
|
363 }
|
|
|
364
|
|
|
365 static int gpm_event_pending_p (int user_p)
|
|
|
366 {
|
|
793
|
367 Lisp_Object event;
|
|
428
|
368
|
|
793
|
369 EVENT_CHAIN_LOOP (event, gpm_event_queue)
|
|
|
370 {
|
|
|
371 if (!user_p || command_event_p (event))
|
|
|
372 return (1);
|
|
|
373 }
|
|
|
374 return (orig_event_pending_p (user_p));
|
|
428
|
375 }
|
|
|
376
|
|
440
|
377 static void gpm_next_event_cb (Lisp_Event *event)
|
|
428
|
378 {
|
|
793
|
379 /* #### It would be nice to preserve some sort of ordering of the
|
|
|
380 ** #### different types of events, but that would be quite a bit
|
|
|
381 ** #### of work, and would more than likely break the abstraction
|
|
|
382 ** #### between the other event loops and this one.
|
|
|
383 */
|
|
440
|
384
|
|
793
|
385 if (!NILP (gpm_event_queue))
|
|
|
386 {
|
|
|
387 Lisp_Object queued_event =
|
|
|
388 dequeue_event (&gpm_event_queue, &gpm_event_queue_tail);
|
|
|
389 *event = *(XEVENT (queued_event));
|
|
|
390
|
|
|
391 if (event->event_type == pointer_motion_event)
|
|
428
|
392 {
|
|
793
|
393 struct device *d = decode_device (event->channel);
|
|
|
394 int fd = DEVICE_INFD (d);
|
|
428
|
395
|
|
793
|
396 /* Ok, now this is just freaky. Bear with me though.
|
|
|
397 **
|
|
|
398 ** If you run gnuclient and attach to a XEmacs running in
|
|
|
399 ** X or on another TTY, the mouse cursor does not get
|
|
|
400 ** drawn correctly. This is because the ioctl() fails
|
|
|
401 ** with EPERM because the TTY specified is not our
|
|
|
402 ** controlling terminal. If you are the superuser, it
|
|
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403 ** will work just spiffy. The appropriate source file (at
|
|
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404 ** least in linux 2.2.x) is
|
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405 ** .../linux/drivers/char/console.c in the function
|
|
|
406 ** tioclinux(). The following bit of code is brutal to
|
|
|
407 ** us:
|
|
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408 **
|
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409 ** if (current->tty != tty && !suser())
|
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410 ** return -EPERM;
|
|
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411 **
|
|
|
412 ** I even tried setting us as a process leader, removing
|
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413 ** our controlling terminal, and then using the TIOCSCTTY
|
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414 ** to set up a new controlling terminal, all with no luck.
|
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415 **
|
|
|
416 ** What is even weirder is if you run XEmacs in a VC, and
|
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417 ** attach to it from another VC with gnuclient, go back to
|
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418 ** the original VC and hit a key, the mouse pointer
|
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419 ** displays (in BOTH VCs), until you hit a key in the
|
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420 ** second VC, after which it does not display in EITHER
|
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421 ** VC. Bizarre, no?
|
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422 **
|
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423 ** All I can say is thank god Linux comes with source code
|
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|
424 ** or I would have been completely confused. Well, ok,
|
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425 ** I'm still completely confused. I don't see why they
|
|
|
426 ** don't just check the permissions on the device
|
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427 ** (actually, if you have enough access to it to get the
|
|
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428 ** console's file descriptor, you should be able to do
|
|
|
429 ** with it as you wish, but maybe that is just me).
|
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430 **
|
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431 ** William M. Perry - Nov 9, 1999
|
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432 */
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428
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433
|
|
793
|
434 Gpm_DrawPointer (event->event.motion.x,event->event.motion.y, fd);
|
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428
|
435 }
|
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436
|
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793
|
437 return;
|
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438 }
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439
|
|
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440 orig_next_event_cb (event);
|
|
428
|
441 }
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|
|
442
|
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443 static void hook_event_callbacks_once (void)
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444 {
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793
|
445 static int hooker;
|
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428
|
446
|
|
793
|
447 if (!hooker)
|
|
|
448 {
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449 orig_event_pending_p = event_stream->event_pending_p;
|
|
|
450 orig_next_event_cb = event_stream->next_event_cb;
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|
|
451 event_stream->event_pending_p = gpm_event_pending_p;
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|
452 event_stream->next_event_cb = gpm_next_event_cb;
|
|
|
453 hooker = 1;
|
|
|
454 }
|
|
428
|
455 }
|
|
|
456
|
|
|
457 static void hook_console_methods_once (void)
|
|
|
458 {
|
|
793
|
459 static int hooker;
|
|
428
|
460
|
|
793
|
461 if (!hooker)
|
|
|
462 {
|
|
|
463 /* Install the mouse position methods for the TTY console type */
|
|
|
464 CONSOLE_HAS_METHOD (tty, get_mouse_position);
|
|
|
465 CONSOLE_HAS_METHOD (tty, set_mouse_position);
|
|
|
466 CONSOLE_HAS_METHOD (tty, get_foreign_selection);
|
|
|
467 CONSOLE_HAS_METHOD (tty, selection_exists_p);
|
|
428
|
468 #if 0
|
|
793
|
469 CONSOLE_HAS_METHOD (tty, own_selection);
|
|
428
|
470 #endif
|
|
793
|
471 }
|
|
428
|
472 }
|
|
|
473
|
|
|
474 DEFUN ("gpm-enabled-p", Fgpm_enabled_p, 0, 1, 0, /*
|
|
|
475 Return non-nil if GPM mouse support is currently enabled on DEVICE.
|
|
|
476 */
|
|
793
|
477 (device))
|
|
428
|
478 {
|
|
793
|
479 char *console_name = ttyname (DEVICE_INFD (decode_device (device)));
|
|
|
480 char process_name[1024];
|
|
|
481 Lisp_Object proc;
|
|
428
|
482
|
|
793
|
483 if (!console_name)
|
|
|
484 return (Qnil);
|
|
428
|
485
|
|
793
|
486 memset (process_name, '\0', sizeof(process_name));
|
|
|
487 snprintf (process_name, sizeof(process_name) - 1, "gpm for %s",
|
|
|
488 console_name);
|
|
428
|
489
|
|
793
|
490 proc = Fget_process (build_string (process_name));
|
|
428
|
491
|
|
793
|
492 if (NILP (proc))
|
|
|
493 return (Qnil);
|
|
428
|
494
|
|
793
|
495 if (1) /* (PROCESS_LIVE_P (proc)) */
|
|
|
496 return (Qt);
|
|
|
497 return (Qnil);
|
|
428
|
498 }
|
|
|
499
|
|
|
500 DEFUN ("gpm-enable", Fgpm_enable, 0, 2, 0, /*
|
|
|
501 Toggle accepting of GPM mouse events.
|
|
|
502 */
|
|
793
|
503 (device, arg))
|
|
428
|
504 {
|
|
793
|
505 Gpm_Connect conn;
|
|
|
506 int rval;
|
|
|
507 Lisp_Object gpm_process;
|
|
|
508 Lisp_Object gpm_filter;
|
|
|
509 struct device *d = decode_device (device);
|
|
|
510 int fd = DEVICE_INFD (d);
|
|
|
511 char *console_name = ttyname (fd);
|
|
|
512 char process_name[1024];
|
|
428
|
513
|
|
793
|
514 hook_event_callbacks_once ();
|
|
|
515 hook_console_methods_once ();
|
|
|
516
|
|
|
517 if (noninteractive)
|
|
|
518 invalid_operation ("Can't connect to GPM in batch mode", Qunbound);
|
|
428
|
519
|
|
793
|
520 if (!console_name)
|
|
|
521 /* Something seriously wrong here... */
|
|
|
522 return (Qnil);
|
|
|
523
|
|
|
524 memset (process_name, '\0', sizeof(process_name));
|
|
|
525 snprintf (process_name, sizeof(process_name) - 1, "gpm for %s",
|
|
|
526 console_name);
|
|
428
|
527
|
|
793
|
528 if (NILP (arg))
|
|
|
529 {
|
|
|
530 turn_off_gpm (process_name);
|
|
|
531 return (Qnil);
|
|
|
532 }
|
|
428
|
533
|
|
793
|
534 /* DANGER DANGER.
|
|
|
535 ** Though shalt not call (gpm-enable t) after we have already
|
|
|
536 ** started, or stuff blows up.
|
|
|
537 */
|
|
|
538 if (!NILP (Fgpm_enabled_p (device)))
|
|
|
539 invalid_operation ("GPM already enabled for this console", Qunbound);
|
|
428
|
540
|
|
793
|
541 conn.eventMask = GPM_DOWN|GPM_UP|GPM_MOVE|GPM_DRAG;
|
|
|
542 conn.defaultMask = GPM_MOVE;
|
|
|
543 conn.minMod = 0;
|
|
|
544 conn.maxMod = ((1 << KG_SHIFT) | (1 << KG_ALT) | (1 << KG_CTRL));
|
|
428
|
545
|
|
793
|
546 /* Reset some silly static variables so that multiple Gpm_Open()
|
|
|
547 ** calls have even a slight chance of working
|
|
|
548 */
|
|
|
549 gpm_tried = 0;
|
|
|
550 gpm_flag = 0;
|
|
|
551 gpm_stack = NULL;
|
|
428
|
552
|
|
793
|
553 /* Make sure Gpm_Open() does ioctl() on the correct
|
|
|
554 ** descriptor, or it can get the wrong terminal sizes, etc.
|
|
|
555 */
|
|
|
556 gpm_consolefd = fd;
|
|
440
|
557
|
|
793
|
558 /* We have to pass the virtual console manually, otherwise if you
|
|
|
559 ** use 'gnuclient -nw' to connect to an XEmacs that is running in
|
|
|
560 ** X, Gpm_Open() tries to use ttyname(0 | 1 | 2) to find out which
|
|
|
561 ** console you are using, which is of course not correct for the
|
|
|
562 ** new tty device.
|
|
|
563 */
|
|
|
564 if (strncmp (console_name, "/dev/tty", 8) || !isdigit (console_name[8]))
|
|
|
565 /* Urk, something really wrong */
|
|
|
566 return (Qnil);
|
|
428
|
567
|
|
793
|
568 rval = Gpm_Open (&conn, atoi (console_name + 8));
|
|
428
|
569
|
|
793
|
570 switch (rval)
|
|
|
571 {
|
|
|
572 case -1: /* General failure */
|
|
|
573 break;
|
|
|
574 case -2: /* We are running under an XTerm */
|
|
|
575 Gpm_Close();
|
|
|
576 break;
|
|
|
577 default:
|
|
|
578 /* Is this really necessary? */
|
|
|
579 set_descriptor_non_blocking (gpm_fd);
|
|
|
580 store_gpm_state (gpm_fd);
|
|
|
581 gpm_process =
|
|
|
582 connect_to_file_descriptor (build_string (process_name), Qnil,
|
|
|
583 make_int (gpm_fd),
|
|
|
584 make_int (gpm_fd));
|
|
428
|
585
|
|
793
|
586 if (!NILP (gpm_process))
|
|
|
587 {
|
|
|
588 rval = 0;
|
|
|
589 Fprocess_kill_without_query (gpm_process, Qnil);
|
|
|
590 gpm_filter = wrap_subr (&SFreceive_gpm_event);
|
|
|
591 set_process_filter (gpm_process, gpm_filter, 1);
|
|
428
|
592
|
|
793
|
593 /* Keep track of the device for later */
|
|
|
594 /* Fput (gpm_process, intern ("gpm-device"), device); */
|
|
428
|
595 }
|
|
793
|
596 else
|
|
|
597 {
|
|
|
598 Gpm_Close ();
|
|
|
599 rval = -1;
|
|
|
600 }
|
|
|
601 }
|
|
428
|
602
|
|
793
|
603 return (rval ? Qnil : Qt);
|
|
428
|
604 }
|
|
|
605
|
|
|
606 void vars_of_gpmevent (void)
|
|
|
607 {
|
|
793
|
608 gpm_event_queue = Qnil;
|
|
|
609 gpm_event_queue_tail = Qnil;
|
|
|
610 staticpro (&gpm_event_queue);
|
|
|
611 staticpro (&gpm_event_queue_tail);
|
|
|
612 dump_add_root_object (&gpm_event_queue);
|
|
|
613 dump_add_root_object (&gpm_event_queue_tail);
|
|
428
|
614 }
|
|
|
615
|
|
|
616 void syms_of_gpmevent (void)
|
|
|
617 {
|
|
793
|
618 DEFSUBR (Freceive_gpm_event);
|
|
|
619 DEFSUBR (Fgpm_enable);
|
|
|
620 DEFSUBR (Fgpm_enabled_p);
|
|
428
|
621 }
|
|
|
622
|
|
|
623 #endif /* HAVE_GPM */
|
