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428
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1 /* Keyboard macros.
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2 Copyright (C) 1985, 1986, 1992, 1993, 1994 Free Software Foundation, Inc.
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: FSF 19.30. */
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22
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23 /* A keyboard macro is a string of ASCII characters, or a vector of event
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24 objects. Only key-press, mouse-press, mouse-release, and menu-selection
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25 events ever get into a keyboard macro.
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26
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27 When interactively defining a keyboard macro, it will always be a vector
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28 of events; strings may be executed for backwards compatibility.
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29 */
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30
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31 #include <config.h>
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32 #include "lisp.h"
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800
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33
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34 #include "buffer.h"
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428
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35 #include "commands.h"
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36 #include "console.h"
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800
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37 #include "device.h"
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38 #include "events.h"
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428
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39 #include "frame.h"
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40 #include "keymap.h"
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800
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41 #include "macros.h"
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42 #include "window.h"
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428
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43
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44 Lisp_Object Qexecute_kbd_macro;
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45
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46 /* The current macro and our position in it. When executing nested kbd
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47 macros, previous values for these are wound through the execution stack
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48 with unwind-protect.
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49 */
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50 Lisp_Object Vexecuting_macro;
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51 int executing_macro_index;
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52
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53
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54 DEFUN ("start-kbd-macro", Fstart_kbd_macro, 1, 1, "P", /*
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55 Record subsequent keyboard and menu input, defining a keyboard macro.
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56 The commands are recorded even as they are executed.
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57 Use \\[end-kbd-macro] to finish recording and make the macro available.
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58 Use \\[name-last-kbd-macro] to give it a permanent name.
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59 Non-nil arg (prefix arg) means append to last macro defined;
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60 This begins by re-executing that macro as if you typed it again.
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61 */
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62 (append))
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63 {
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64 /* This function can GC */
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65 struct console *con = XCONSOLE (Vselected_console);
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66 if (!NILP (con->defining_kbd_macro))
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563
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67 invalid_operation ("Already defining kbd macro", Qunbound);
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428
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68
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69 if (NILP (con->kbd_macro_builder))
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70 con->kbd_macro_builder = make_vector (30, Qnil);
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71
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72 zmacs_region_stays = 1; /* set this before calling Fexecute_kbd_macro()
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73 so that functions there can override */
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74 MARK_MODELINE_CHANGED;
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75 if (NILP (append))
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76 {
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77 con->kbd_macro_ptr = 0;
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78 con->kbd_macro_end = 0;
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79 message ("Defining kbd macro...");
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80 }
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81 else
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82 {
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83 message ("Appending to kbd macro...");
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84 con->kbd_macro_ptr = con->kbd_macro_end;
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85 Fexecute_kbd_macro (con->last_kbd_macro, make_int (1));
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86 }
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87 con->defining_kbd_macro = Qt;
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88
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89 return Qnil;
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90 }
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91
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92 DEFUN ("end-kbd-macro", Fend_kbd_macro, 0, 1, "P", /*
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93 Finish defining a keyboard macro.
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94 The definition was started by \\[start-kbd-macro].
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95 The macro is now available for use via \\[call-last-kbd-macro],
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96 or it can be given a name with \\[name-last-kbd-macro] and then invoked
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97 under that name.
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98
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99 With numeric arg, repeat macro now that many times,
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100 counting the definition just completed as the first repetition.
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101 An argument of zero means repeat until error.
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102 */
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103 (arg))
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104 {
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105 /* This function can GC */
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106 struct console *con = XCONSOLE (Vselected_console);
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107 int repeat;
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108
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109 if (NILP (con->defining_kbd_macro))
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563
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110 invalid_operation ("Not defining kbd macro", Qunbound);
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428
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111
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112 if (NILP (arg))
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113 repeat = -1;
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114 else
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115 repeat = XINT (Fprefix_numeric_value (arg));
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116
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117 if (!NILP (con->defining_kbd_macro))
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118 {
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119 int i;
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120 int size = con->kbd_macro_end;
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121
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122 if (size < 0)
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123 size = 0;
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124 con->last_kbd_macro = make_vector (size, Qnil);
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125 for (i = 0; i < size; i++)
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126 XVECTOR_DATA (con->last_kbd_macro) [i] =
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127 XVECTOR_DATA (con->kbd_macro_builder) [i];
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128 con->defining_kbd_macro = Qnil;
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129 MARK_MODELINE_CHANGED;
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130 message ("Keyboard macro defined");
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131 }
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132
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133 zmacs_region_stays = 1; /* set this before calling Fexecute_kbd_macro()
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134 so that functions there can override */
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135 if (repeat < 0)
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136 return Qnil;
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137 else if (repeat == 0)
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138 return Fexecute_kbd_macro (con->last_kbd_macro, Qzero);
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139 else
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140 return Fexecute_kbd_macro (con->last_kbd_macro,
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141 make_int (repeat - 1));
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142 }
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143
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144 /* #### Read the comment in modeline.el to see why this ugliness is
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145 needed. #### Try to avoid it, somehow! */
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146 DEFUN ("zap-last-kbd-macro-event", Fzap_last_kbd_macro_event, 0, 0, 0, /*
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147 Don't look at this lest you vomit or spontaneously combust.
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148 */
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149 ())
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150 {
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151 struct console *con = XCONSOLE (Vselected_console);
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152 if (con->kbd_macro_end)
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153 --con->kbd_macro_end;
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154 return Qnil;
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155 }
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156
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157 /* Store event into kbd macro being defined
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158 */
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159 void
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160 store_kbd_macro_event (Lisp_Object event)
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161 {
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162 struct console *con = event_console_or_selected (event);
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163
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164 if (con->kbd_macro_ptr == XVECTOR_LENGTH (con->kbd_macro_builder))
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165 {
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166 int i;
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167 int old_size = XVECTOR_LENGTH (con->kbd_macro_builder);
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168 int new_size = old_size * 2;
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169 Lisp_Object new = make_vector (new_size, Qnil);
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170 for (i = 0; i < old_size; i++)
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171 XVECTOR_DATA (new) [i] = XVECTOR_DATA (con->kbd_macro_builder) [i];
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172 con->kbd_macro_builder = new;
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173 }
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174 XVECTOR_DATA (con->kbd_macro_builder) [con->kbd_macro_ptr++] =
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175 Fcopy_event (event, Qnil);
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176 }
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177
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178 /* Extract the next kbd-macro element into the given event.
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179 If we're done, throws to the catch in Fexecute_kbd_macro().
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180 */
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181 void
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182 pop_kbd_macro_event (Lisp_Object event)
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183 {
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184 if (NILP (Vexecuting_macro)) abort ();
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185
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186 if (STRINGP (Vexecuting_macro) || VECTORP (Vexecuting_macro))
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187 {
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188 if (executing_macro_index < XINT (Flength (Vexecuting_macro)))
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189 {
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190 nth_of_key_sequence_as_event (Vexecuting_macro,
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191 executing_macro_index++,
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192 event);
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193 return;
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194 }
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195 }
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196 else if (!EQ (Vexecuting_macro, Qt)) /* Some things replace the macro
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197 with Qt to force an early exit. */
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563
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198 signal_error (Qinvalid_state, "junk in executing-macro", Qunbound);
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428
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199
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200 Fthrow (Qexecute_kbd_macro, Qt);
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201 }
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202
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203
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204 /* Declare that all chars stored so far in the kbd macro being defined
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205 really belong to it. This is done in between editor commands. */
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206
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207 void
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208 finalize_kbd_macro_chars (struct console *con)
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209 {
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210 con->kbd_macro_end = con->kbd_macro_ptr;
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211 }
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212
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213 DEFUN ("cancel-kbd-macro-events", Fcancel_kbd_macro_events, 0, 0, 0, /*
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214 Cancel the events added to a keyboard macro for this command.
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215 */
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216 ())
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217 {
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218 struct console *con = XCONSOLE (Vselected_console);
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219
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220 con->kbd_macro_ptr = con->kbd_macro_end;
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221
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222 return Qnil;
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223 }
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224
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225 DEFUN ("call-last-kbd-macro", Fcall_last_kbd_macro, 0, 1, "p", /*
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226 Call the last keyboard macro that you defined with \\[start-kbd-macro].
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227
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228 A prefix argument serves as a repeat count. Zero means repeat until error.
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229
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230 To make a macro permanent so you can call it even after
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231 defining others, use \\[name-last-kbd-macro].
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232 */
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233 (prefix))
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234 {
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235 /* This function can GC */
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236 struct console *con = XCONSOLE (Vselected_console);
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237
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238 if (!NILP (con->defining_kbd_macro))
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563
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239 invalid_operation ("Can't execute anonymous macro while defining one", Qunbound);
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428
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240 else if (NILP (con->last_kbd_macro))
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563
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241 invalid_operation ("No kbd macro has been defined", Qunbound);
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428
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242 else
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243 Fexecute_kbd_macro (con->last_kbd_macro, prefix);
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244 return Qnil;
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245 }
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246
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247 /* Restore Vexecuting_macro and executing_macro_index - called when
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248 the unwind-protect in Fexecute_kbd_macro gets invoked. */
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249 static Lisp_Object
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250 pop_kbd_macro (Lisp_Object info)
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251 {
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252 Vexecuting_macro = Fcar (info);
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253 executing_macro_index = XINT (Fcdr (info));
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254 return Qnil;
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255 }
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256
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257 DEFUN ("execute-kbd-macro", Fexecute_kbd_macro, 1, 2, 0, /*
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258 Execute MACRO as string of editor command characters.
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259 If MACRO is a symbol, its function definition is used.
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260 COUNT is a repeat count, or nil for once, or 0 for infinite loop.
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261 */
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444
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262 (macro, count))
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428
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263 {
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264 /* This function can GC */
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265 Lisp_Object final;
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266 Lisp_Object tem;
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267 int speccount = specpdl_depth ();
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268 int repeat = 1;
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269 struct gcpro gcpro1;
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270 struct console *con = XCONSOLE (Vselected_console);
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271
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444
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272 if (!NILP (count))
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428
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273 {
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444
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274 count = Fprefix_numeric_value (count);
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275 repeat = XINT (count);
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428
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276 }
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277
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278 final = indirect_function (macro, 1);
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279 if (!STRINGP (final) && !VECTORP (final))
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563
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280 invalid_argument ("Keyboard macros must be strings or vectors", Qunbound);
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428
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281
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282 tem = Fcons (Vexecuting_macro, make_int (executing_macro_index));
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283 record_unwind_protect (pop_kbd_macro, tem);
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284
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285 GCPRO1 (final);
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286 do
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287 {
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288 Vexecuting_macro = final;
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289 executing_macro_index = 0;
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290 con->prefix_arg = Qnil;
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291 internal_catch (Qexecute_kbd_macro, call_command_loop,
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292 Qnil, 0);
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293 }
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294 while (--repeat != 0
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295 && (STRINGP (Vexecuting_macro) ||
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296 VECTORP (Vexecuting_macro)));
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297
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298 UNGCPRO;
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771
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299 return unbind_to (speccount);
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428
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300 }
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301
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302
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303 void
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304 syms_of_macros (void)
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305 {
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306 DEFSUBR (Fstart_kbd_macro);
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307 DEFSUBR (Fend_kbd_macro);
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308 DEFSUBR (Fzap_last_kbd_macro_event);
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309 DEFSUBR (Fcall_last_kbd_macro);
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310 DEFSUBR (Fexecute_kbd_macro);
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311 DEFSUBR (Fcancel_kbd_macro_events);
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563
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312 DEFSYMBOL (Qexecute_kbd_macro);
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428
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313 }
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314
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315 void
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316 vars_of_macros (void)
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317 {
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318 DEFVAR_LISP ("executing-macro", &Vexecuting_macro /*
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319 Currently executing keyboard macro (a vector of events or string);
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320 nil if none executing.
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321 */ );
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322
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323 DEFVAR_LISP ("executing-kbd-macro", &Vexecuting_macro /*
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324 Currently executing keyboard macro (a vector of events or string);
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325 nil if none executing.
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326 */ );
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327 }
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328
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329 void
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330 init_macros (void)
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331 {
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332 Vexecuting_macro = Qnil;
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333 }
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334
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