annotate src/gpmevent.c @ 844:047d37eb70d7

[xemacs-hg @ 2002-05-16 13:30:23 by ben] ui fixes for things that were bothering me bytecode.c, editfns.c, lisp.h, lread.c: Fix save-restriction to use markers rather than pseudo-markers (integers representing the amount of text on either side of the region). That way, all inserts are handled correctly, not just those inside old restriction. Add buffer argument to save_restriction_save(). process.c: Clean up very dirty and kludgy code that outputs into a buffer -- use proper unwind protects, etc. font-lock.c: Do save-restriction/widen around the function -- otherwise, incorrect results will ensue when a buffer has been narrowed before a call to e.g. `buffer-syntactic-context' -- something that happens quite often. fileio.c: Look for a handler for make-temp-name. window.c, winslots.h: Try to solve this annoying problem: have two frames displaying the buffer, in different places; in one, temporarily switch away to another buffer and then back -- and you've lost your position; it's reset to the other one in the other frame. My current solution involves window-level caches of buffers and points (also a cache for window-start); when set-window-buffer is called, it looks to see if the buffer was previously visited in the window, and if so, uses the most recent point at that time. (It's a marker, so it handles changes.) #### Note: It could be argued that doing it on the frame level would be better -- e.g. if you visit a buffer temporarily through a grep, and then go back to that buffer, you presumably want the grep's position rather than some previous position provided everything was in the same frame, even though the grep was in another window in the frame. However, doing it on the frame level fails when you have two windows on the same frame. Perhaps we keep both a window and a frame cache, and use the frame cache if there are no other windows on the frame showing the buffer, else the window's cache? This is probably something to be configurable using a specifier. Suggestions please please please? window.c: Clean up a bit code that deals with the annoyance of window-point vs. point. dialog.el: Function to ask a multiple-choice question, automatically choosing a dialog box or minibuffer representation as necessary. Generalized version of yes-or-no-p, y-or-n-p. files.el: Use get-user-response to ask "yes/no/diff" question when recovering. "diff" means that a diff is displayed between the current file and the autosave. (Converts/deconverts escape-quoted as necessary. No more complaints from you, Mr. Turnbull!) One known problem: when a dialog is used, it's modal, so you can't scroll the diff. Will fix soon. lisp-mode.el: If we're filling a string, don't treat semicolon as a comment, which would give very unfriendly results. Uses `buffer-syntactic-context'. simple.el: all changes back to the beginning. (Useful if you've saved the file in the middle of the changes.) simple.el: Add option kill-word-into-kill-ring, which controls whether words deleted with kill-word, backward-kill-word, etc. are "cut" into the kill ring, or "cleared" into nothingness. (My preference is the latter, by far. I'd almost go so far as suggesting we make it the default, as you can always select a word and then cut it if you want it cut.) menubar-items.el: Add option corresponding to kill-word-into-kill-ring.
author ben
date Thu, 16 May 2002 13:30:58 +0000
parents e38acbeb1cae
children 2b6fa2618f76
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1 /* GPM (General purpose mouse) functions
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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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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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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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29
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30 #include "commands.h"
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31 #include "console-tty.h"
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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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35 #include "lstream.h"
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36 #include "process.h"
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37 #include "sysdep.h"
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38
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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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53 static void (*orig_next_event_cb) (Lisp_Event *);
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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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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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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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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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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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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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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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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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92 }
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93
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94 static int
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95 get_process_infd (Lisp_Process *p)
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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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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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116
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117 CHECK_PROCESS (process);
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118
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119 restore_gpm_state (get_process_infd (XPROCESS (process)));
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120
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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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127
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128 GCPRO1 (fake_event);
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129
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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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134
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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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137
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138 /* Whow, wouldn't named defines be NICE!?!?! */
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139 modifiers = 0;
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140
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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
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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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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152
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153 switch (GPM_BARE_EVENTS (ev.type))
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154 {
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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155 case GPM_DOWN:
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
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;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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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 */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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172 break;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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173 }
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174
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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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177
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178 UNGCPRO;
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179
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180 return (Qzero);
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181 }
3ecd8885ac67 Import from CVS: tag r21-2-22
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182
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183 static void turn_off_gpm (char *process_name)
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184 {
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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187
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188 if (NILP (process))
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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189 /* Something happened to our GPM process - fail silently */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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190 return;
428
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191
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192 fd = get_process_infd (XPROCESS (process));
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193
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194 restore_gpm_state (fd);
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195
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196 Gpm_Close();
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197
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198 clear_gpm_state (fd);
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199
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200 Fdelete_process (build_string (process_name));
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201 }
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202
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203 #ifdef TIOCLINUX
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204 static Lisp_Object
793
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205 tty_get_foreign_selection (Lisp_Object selection_symbol,
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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206 Lisp_Object target_type)
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207 {
793
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208 /* This function can GC */
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209 struct device *d = decode_device (Qnil);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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210 int fd = DEVICE_INFD (d);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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211 char c = 3;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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212 Lisp_Object output_stream = Qnil;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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213 Lisp_Object terminal_stream = Qnil;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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214 Lisp_Object output_string = Qnil;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
215 struct gcpro gcpro1,gcpro2,gcpro3;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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216
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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217 GCPRO3(output_stream,terminal_stream,output_string);
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218
793
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219 /* The ioctl() to paste actually puts things in the input queue of
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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220 ** the virtual console, so we need to trap that data, since we are
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
221 ** supposed to return the actual string selection from this
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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222 ** function.
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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223 */
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224
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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225 /* I really hate doing this, but it doesn't seem to cause any
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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diff changeset
226 ** problems, and it makes the Lstream_read stuff further down
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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227 ** error out correctly instead of trying to indefinitely read from
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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228 ** the console.
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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229 **
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
230 ** There is no set_descriptor_blocking() function call, but in my
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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231 ** testing under linux, it has not proved fatal to leave the
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
232 ** descriptor in non-blocking mode.
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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233 **
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
234 ** William Perry Nov 5, 1999
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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235 */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
236 set_descriptor_non_blocking (fd);
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237
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
238 /* We need two streams, one for reading from the selected device,
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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diff changeset
239 ** and one to write the data into. There is no writable version
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
240 ** of the lisp-string lstream, so we make do with a resizing
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
241 ** buffer stream, and make a string out of it after we are
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
242 ** done.
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
243 */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
244 output_stream = make_resizing_buffer_output_stream ();
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
245 terminal_stream = make_filedesc_input_stream (fd, 0, -1, LSTR_BLOCKED_OK);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
246 output_string = Qnil;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
247
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
248 /* #### We should arguably use a specbind() and an unwind routine here,
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
249 ** #### but I don't care that much right now.
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
250 */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
251 if (NILP (output_stream) || NILP (terminal_stream))
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
252 /* Should we signal an error here? */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
253 goto out;
428
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diff changeset
254
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
255 if (ioctl (fd, TIOCLINUX, &c) < 0)
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
256 {
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
257 /* Could not get the selection - eek */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
258 UNGCPRO;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
259 return (Qnil);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
260 }
428
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diff changeset
261
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
262 while (1)
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
263 {
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
264 Intbyte tempbuf[1024]; /* some random amount */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
265 Bytecount i;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
266 Bytecount size_in_bytes =
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
267 Lstream_read (XLSTREAM (terminal_stream),
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
268 tempbuf, sizeof (tempbuf));
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
269
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
270 if (size_in_bytes <= 0)
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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diff changeset
271 /* end of the stream */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
272 break;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
273
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
274 /* convert CR->LF */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
275 for (i = 0; i < size_in_bytes; i++)
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276 {
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
277 if (tempbuf[i] == '\r')
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
278 tempbuf[i] = '\n';
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279 }
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280
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
281 Lstream_write (XLSTREAM (output_stream), tempbuf, size_in_bytes);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
282 }
428
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diff changeset
283
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
284 Lstream_flush (XLSTREAM (output_stream));
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diff changeset
285
793
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diff changeset
286 output_string =
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
287 make_string (resizing_buffer_stream_ptr (XLSTREAM (output_stream)),
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
288 Lstream_byte_count (XLSTREAM (output_stream)));
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289
793
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diff changeset
290 Lstream_delete (XLSTREAM (output_stream));
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
291 Lstream_delete (XLSTREAM (terminal_stream));
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diff changeset
292
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diff changeset
293 out:
793
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diff changeset
294 UNGCPRO;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
295 return (output_string);
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296 }
3ecd8885ac67 Import from CVS: tag r21-2-22
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297
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298 static Lisp_Object
442
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299 tty_selection_exists_p (Lisp_Object selection, Lisp_Object selection_type)
428
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300 {
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301 return (Qt);
428
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302 }
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303 #endif /* TIOCLINUX */
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304
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305 #if 0
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306 static Lisp_Object
442
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307 tty_own_selection (Lisp_Object selection_name, Lisp_Object selection_value,
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diff changeset
308 Lisp_Object how_to_add, Lisp_Object selection_type)
428
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309 {
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310 /* There is no way to do this cleanly - the GPM selection
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311 ** 'protocol' (actually the TIOCLINUX ioctl) requires a start and
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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312 ** end position on the _screen_, not a string to stick in there.
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313 ** Lame.
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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314 **
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315 ** William Perry Nov 4, 1999
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316 */
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317 }
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318 #endif
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319
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320 /* This function appears to work once in a blue moon. I'm not sure
793
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321 ** exactly why either. *sigh*
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322 **
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323 ** William Perry Nov 4, 1999
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324 **
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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325 ** Apparently, this is the way (mouse-position) is supposed to work,
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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326 ** and I was just expecting something else. (mouse-pixel-position)
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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327 ** works just fine.
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328 **
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329 ** William Perry Nov 7, 1999
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330 */
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331 static int
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332 tty_get_mouse_position (struct device *d, Lisp_Object *frame, int *x, int *y)
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333 {
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334 Gpm_Event ev;
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335 int num_buttons;
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336
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337 memset(&ev,'\0',sizeof(ev));
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338
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339 num_buttons = Gpm_GetSnapshot(&ev);
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340
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341 if (!num_buttons)
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342 /* This means there are events pending... */
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343
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344 /* #### In theory, we should drain the events pending, stick
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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345 ** #### them in the queue, and return the mouse position
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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346 ** #### anyway.
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347 */
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348 return (-1);
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349 *x = ev.x;
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350 *y = ev.y;
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351 *frame = DEVICE_SELECTED_FRAME (d);
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352 return (1);
428
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353 }
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354
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355 static void
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356 tty_set_mouse_position (struct window *w, int x, int y)
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357 {
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358 /*
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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359 #### I couldn't find any GPM functions that set the mouse position.
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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360 #### Mr. Perry had left this function empty; that must be why.
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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361 #### karlheg
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362 */
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363 }
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364
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365 static int gpm_event_pending_p (int user_p)
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366 {
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367 Lisp_Object event;
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368
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369 EVENT_CHAIN_LOOP (event, gpm_event_queue)
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370 {
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371 if (!user_p || command_event_p (event))
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372 return (1);
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373 }
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374 return (orig_event_pending_p (user_p));
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375 }
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376
440
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377 static void gpm_next_event_cb (Lisp_Event *event)
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378 {
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379 /* #### It would be nice to preserve some sort of ordering of the
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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380 ** #### different types of events, but that would be quite a bit
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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381 ** #### of work, and would more than likely break the abstraction
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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382 ** #### between the other event loops and this one.
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383 */
440
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384
793
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385 if (!NILP (gpm_event_queue))
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386 {
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387 Lisp_Object queued_event =
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388 dequeue_event (&gpm_event_queue, &gpm_event_queue_tail);
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389 *event = *(XEVENT (queued_event));
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390
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391 if (event->event_type == pointer_motion_event)
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392 {
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393 struct device *d = decode_device (event->channel);
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394 int fd = DEVICE_INFD (d);
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395
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396 /* Ok, now this is just freaky. Bear with me though.
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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397 **
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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398 ** If you run gnuclient and attach to a XEmacs running in
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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399 ** X or on another TTY, the mouse cursor does not get
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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400 ** drawn correctly. This is because the ioctl() fails
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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401 ** with EPERM because the TTY specified is not our
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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402 ** controlling terminal. If you are the superuser, it
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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diff changeset
403 ** will work just spiffy. The appropriate source file (at
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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diff changeset
404 ** least in linux 2.2.x) is
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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405 ** .../linux/drivers/char/console.c in the function
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
406 ** tioclinux(). The following bit of code is brutal to
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
407 ** us:
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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408 **
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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409 ** if (current->tty != tty && !suser())
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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410 ** return -EPERM;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
411 **
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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diff changeset
412 ** I even tried setting us as a process leader, removing
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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413 ** our controlling terminal, and then using the TIOCSCTTY
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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414 ** to set up a new controlling terminal, all with no luck.
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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415 **
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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416 ** What is even weirder is if you run XEmacs in a VC, and
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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417 ** attach to it from another VC with gnuclient, go back to
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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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
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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420 ** second VC, after which it does not display in EITHER
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
421 ** VC. Bizarre, no?
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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422 **
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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diff changeset
423 ** All I can say is thank god Linux comes with source code
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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diff changeset
424 ** or I would have been completely confused. Well, ok,
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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425 ** I'm still completely confused. I don't see why they
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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diff changeset
426 ** don't just check the permissions on the device
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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diff changeset
427 ** (actually, if you have enough access to it to get the
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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diff changeset
428 ** console's file descriptor, you should be able to do
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
429 ** with it as you wish, but maybe that is just me).
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
430 **
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
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diff changeset
431 ** William M. Perry - Nov 9, 1999
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diff changeset
432 */
428
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433
793
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434 Gpm_DrawPointer (event->event.motion.x,event->event.motion.y, fd);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
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diff changeset
435 }
3ecd8885ac67 Import from CVS: tag r21-2-22
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436
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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437 return;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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438 }
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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439
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diff changeset
440 orig_next_event_cb (event);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
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441 }
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442
3ecd8885ac67 Import from CVS: tag r21-2-22
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diff changeset
443 static void hook_event_callbacks_once (void)
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444 {
793
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diff changeset
445 static int hooker;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
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446
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
447 if (!hooker)
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
448 {
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
449 orig_event_pending_p = event_stream->event_pending_p;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
450 orig_next_event_cb = event_stream->next_event_cb;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
451 event_stream->event_pending_p = gpm_event_pending_p;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
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diff changeset
452 event_stream->next_event_cb = gpm_next_event_cb;
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ben
parents: 665
diff changeset
453 hooker = 1;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
454 }
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
455 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
456
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
457 static void hook_console_methods_once (void)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
458 {
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
459 static int hooker;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
460
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
461 if (!hooker)
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
462 {
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
463 /* Install the mouse position methods for the TTY console type */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
464 CONSOLE_HAS_METHOD (tty, get_mouse_position);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
465 CONSOLE_HAS_METHOD (tty, set_mouse_position);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
466 CONSOLE_HAS_METHOD (tty, get_foreign_selection);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
467 CONSOLE_HAS_METHOD (tty, selection_exists_p);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
468 #if 0
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
469 CONSOLE_HAS_METHOD (tty, own_selection);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
470 #endif
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
471 }
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
472 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
473
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
474 DEFUN ("gpm-enabled-p", Fgpm_enabled_p, 0, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
475 Return non-nil if GPM mouse support is currently enabled on DEVICE.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
476 */
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
477 (device))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
478 {
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
479 char *console_name = ttyname (DEVICE_INFD (decode_device (device)));
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
480 char process_name[1024];
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
481 Lisp_Object proc;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
482
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
483 if (!console_name)
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
484 return (Qnil);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
485
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
486 memset (process_name, '\0', sizeof(process_name));
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
487 snprintf (process_name, sizeof(process_name) - 1, "gpm for %s",
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
488 console_name);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
489
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
490 proc = Fget_process (build_string (process_name));
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
491
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
492 if (NILP (proc))
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
493 return (Qnil);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
494
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
495 if (1) /* (PROCESS_LIVE_P (proc)) */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
496 return (Qt);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
497 return (Qnil);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
498 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
499
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
500 DEFUN ("gpm-enable", Fgpm_enable, 0, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
501 Toggle accepting of GPM mouse events.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
502 */
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
503 (device, arg))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
504 {
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
505 Gpm_Connect conn;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
506 int rval;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
507 Lisp_Object gpm_process;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
508 Lisp_Object gpm_filter;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
509 struct device *d = decode_device (device);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
510 int fd = DEVICE_INFD (d);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
511 char *console_name = ttyname (fd);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
512 char process_name[1024];
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
513
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
514 hook_event_callbacks_once ();
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
515 hook_console_methods_once ();
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
516
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
517 if (noninteractive)
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
518 invalid_operation ("Can't connect to GPM in batch mode", Qunbound);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
519
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
520 if (!console_name)
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
521 /* Something seriously wrong here... */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
522 return (Qnil);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
523
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
524 memset (process_name, '\0', sizeof(process_name));
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
525 snprintf (process_name, sizeof(process_name) - 1, "gpm for %s",
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
526 console_name);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
527
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
528 if (NILP (arg))
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
529 {
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
530 turn_off_gpm (process_name);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
531 return (Qnil);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
532 }
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
533
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
534 /* DANGER DANGER.
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
535 ** Though shalt not call (gpm-enable t) after we have already
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
536 ** started, or stuff blows up.
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
537 */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
538 if (!NILP (Fgpm_enabled_p (device)))
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
539 invalid_operation ("GPM already enabled for this console", Qunbound);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
540
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
541 conn.eventMask = GPM_DOWN|GPM_UP|GPM_MOVE|GPM_DRAG;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
542 conn.defaultMask = GPM_MOVE;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
543 conn.minMod = 0;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
544 conn.maxMod = ((1 << KG_SHIFT) | (1 << KG_ALT) | (1 << KG_CTRL));
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
545
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
546 /* Reset some silly static variables so that multiple Gpm_Open()
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
547 ** calls have even a slight chance of working
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
548 */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
549 gpm_tried = 0;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
550 gpm_flag = 0;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
551 gpm_stack = NULL;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
552
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
553 /* Make sure Gpm_Open() does ioctl() on the correct
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
554 ** descriptor, or it can get the wrong terminal sizes, etc.
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
555 */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
556 gpm_consolefd = fd;
440
8de8e3f6228a Import from CVS: tag r21-2-28
cvs
parents: 438
diff changeset
557
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
558 /* We have to pass the virtual console manually, otherwise if you
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
559 ** use 'gnuclient -nw' to connect to an XEmacs that is running in
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
560 ** X, Gpm_Open() tries to use ttyname(0 | 1 | 2) to find out which
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
561 ** console you are using, which is of course not correct for the
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
562 ** new tty device.
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
563 */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
564 if (strncmp (console_name, "/dev/tty", 8) || !isdigit (console_name[8]))
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
565 /* Urk, something really wrong */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
566 return (Qnil);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
567
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
568 rval = Gpm_Open (&conn, atoi (console_name + 8));
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
569
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
570 switch (rval)
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
571 {
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
572 case -1: /* General failure */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
573 break;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
574 case -2: /* We are running under an XTerm */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
575 Gpm_Close();
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
576 break;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
577 default:
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
578 /* Is this really necessary? */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
579 set_descriptor_non_blocking (gpm_fd);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
580 store_gpm_state (gpm_fd);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
581 gpm_process =
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
582 connect_to_file_descriptor (build_string (process_name), Qnil,
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
583 make_int (gpm_fd),
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
584 make_int (gpm_fd));
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
585
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
586 if (!NILP (gpm_process))
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
587 {
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
588 rval = 0;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
589 Fprocess_kill_without_query (gpm_process, Qnil);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
590 gpm_filter = wrap_subr (&SFreceive_gpm_event);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
591 set_process_filter (gpm_process, gpm_filter, 1);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
592
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
593 /* Keep track of the device for later */
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
594 /* Fput (gpm_process, intern ("gpm-device"), device); */
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
595 }
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
596 else
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
597 {
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
598 Gpm_Close ();
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
599 rval = -1;
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
600 }
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
601 }
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
602
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 665
diff changeset
603 return (rval ? Qnil : Qt);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
604 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
605
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
606 void vars_of_gpmevent (void)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
607 {
793
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608 gpm_event_queue = Qnil;
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609 gpm_event_queue_tail = Qnil;
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610 staticpro (&gpm_event_queue);
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611 staticpro (&gpm_event_queue_tail);
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612 dump_add_root_object (&gpm_event_queue);
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613 dump_add_root_object (&gpm_event_queue_tail);
428
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614 }
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615
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616 void syms_of_gpmevent (void)
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617 {
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618 DEFSUBR (Freceive_gpm_event);
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619 DEFSUBR (Fgpm_enable);
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620 DEFSUBR (Fgpm_enabled_p);
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621 }
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622
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623 #endif /* HAVE_GPM */