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0
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1 /* Sound functions.
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2 Copyright (C) 1992, 1993, 1994 Lucid Inc.
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3 Copyright (C) 1994, 1995 Free Software Foundation, Inc.
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: Not in FSF. */
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23
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24 /* Originally written by Jamie Zawinski.
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25 Hacked on quite a bit by various others. */
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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 "buffer.h"
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31 #ifdef HAVE_X_WINDOWS
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32 #include "console-x.h"
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33 #endif
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34
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35 #include "commands.h"
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36 #include "device.h"
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37 #include "redisplay.h"
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38 #include "sysdep.h"
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39
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272
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40 #ifdef HAVE_UNISTD_H
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41 #include <unistd.h>
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42 #endif
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43
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0
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44 #ifdef HAVE_NATIVE_SOUND
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45 # include <netdb.h>
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46 #endif
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47
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48 int bell_volume;
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49 Lisp_Object Vsound_alist;
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50 Lisp_Object Vsynchronous_sounds;
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51 Lisp_Object Vnative_sound_only_on_console;
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52 Lisp_Object Q_volume, Q_pitch, Q_duration, Q_sound;
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53
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54 /* These are defined in the appropriate file (sunplay.c, sgiplay.c,
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55 or hpplay.c). */
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56
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57 extern void play_sound_file (char *name, int volume);
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58 extern void play_sound_data (unsigned char *data, int length, int volume);
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59
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60 #ifdef HAVE_NAS_SOUND
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61 extern int nas_play_sound_file (char *name, int volume);
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62 extern int nas_play_sound_data (unsigned char *data, int length, int volume);
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63 extern int nas_wait_for_sounds (void);
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64 extern char *nas_init_play (Display *);
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65
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66 Lisp_Object Qnas;
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67 #endif
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68
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20
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69 DEFUN ("play-sound-file", Fplay_sound_file, 1, 3, "fSound file name: ", /*
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0
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70 Play the named sound file on DEVICE's speaker at the specified volume
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272
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71 \(0-100, default specified by the `bell-volume' variable).
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327
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72 On Unix machines the sound file must be in the Sun/NeXT U-LAW format
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73 except under Linux where WAV files are also supported. On Microsoft
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74 Windows the sound file must be in WAV format.
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0
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75 DEVICE defaults to the selected device.
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20
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76 */
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70
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77 (file, volume, device))
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0
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78 {
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116
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79 /* This function can call lisp */
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0
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80 int vol;
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81 #if defined (HAVE_NATIVE_SOUND) || defined (HAVE_NAS_SOUND)
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82 struct device *d = decode_device (device);
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83 #endif
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116
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84 struct gcpro gcpro1;
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85
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0
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86 CHECK_STRING (file);
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87 if (NILP (volume))
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88 vol = bell_volume;
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89 else
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90 {
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91 CHECK_INT (volume);
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92 vol = XINT (volume);
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93 }
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94
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116
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95 GCPRO1 (file);
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245
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96 while (1)
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233
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97 {
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245
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98 file = Fexpand_file_name (file, Qnil);
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99 if (!NILP(Ffile_readable_p (file)))
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100 break;
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101 else
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102 {
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103 /* #### This is crockish. It might be a better idea to try
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104 to open the file, and use report_file_error() if it
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105 fails. --hniksic */
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106 if (NILP (Ffile_exists_p (file)))
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265
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107 file =
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108 signal_simple_continuable_error ("File does not exist", file);
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245
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109 else
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265
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110 file =
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111 signal_simple_continuable_error ("File is unreadable", file);
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245
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112 }
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233
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113 }
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116
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114 UNGCPRO;
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0
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115
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116 #ifdef HAVE_NAS_SOUND
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117 if (DEVICE_CONNECTED_TO_NAS_P (d))
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118 {
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119 char *fileext;
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120
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121 GET_C_STRING_FILENAME_DATA_ALLOCA (file, fileext);
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122 /* #### NAS code should allow specification of a device. */
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123 if (nas_play_sound_file (fileext, vol))
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124 return Qnil;
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125 }
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126 #endif /* HAVE_NAS_SOUND */
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127
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128 #ifdef HAVE_NATIVE_SOUND
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129 if (NILP (Vnative_sound_only_on_console) || DEVICE_ON_CONSOLE_P (d))
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130 {
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131 CONST char *fileext;
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132
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133 GET_C_STRING_FILENAME_DATA_ALLOCA (file, fileext);
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134 /* The sound code doesn't like getting SIGIO interrupts.
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135 Unix sucks! */
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136 stop_interrupts ();
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137 play_sound_file ((char *) fileext, vol);
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138 start_interrupts ();
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139 QUIT;
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140 }
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141 #endif /* HAVE_NATIVE_SOUND */
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142
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143 return Qnil;
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144 }
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145
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146 static void
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147 parse_sound_alist_elt (Lisp_Object elt,
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148 Lisp_Object *volume,
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149 Lisp_Object *pitch,
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150 Lisp_Object *duration,
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151 Lisp_Object *sound)
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152 {
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153 *volume = Qnil;
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154 *pitch = Qnil;
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155 *duration = Qnil;
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156 *sound = Qnil;
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157 if (! CONSP (elt))
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158 return;
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159
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160 /* The things we do for backward compatibility...
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161 I wish I had just forced this to be a plist to begin with.
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162 */
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163
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164 if (SYMBOLP (elt) || STRINGP (elt)) /* ( name . <sound> ) */
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165 {
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166 *sound = elt;
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167 }
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168 else if (!CONSP (elt))
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169 {
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170 return;
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171 }
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172 else if (NILP (XCDR (elt)) && /* ( name <sound> ) */
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173 (SYMBOLP (XCAR (elt)) ||
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174 STRINGP (XCAR (elt))))
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175 {
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176 *sound = XCAR (elt);
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177 }
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178 else if (INT_OR_FLOATP (XCAR (elt)) && /* ( name <vol> . <sound> ) */
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179 (SYMBOLP (XCDR (elt)) ||
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180 STRINGP (XCDR (elt))))
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181 {
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182 *volume = XCAR (elt);
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183 *sound = XCDR (elt);
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184 }
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185 else if (INT_OR_FLOATP (XCAR (elt)) && /* ( name <vol> <sound> ) */
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186 CONSP (XCDR (elt)) &&
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187 NILP (XCDR (XCDR (elt))) &&
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188 (SYMBOLP (XCAR (XCDR (elt))) ||
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189 STRINGP (XCAR (XCDR (elt)))))
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190 {
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191 *volume = XCAR (elt);
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192 *sound = XCAR (XCDR (elt));
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193 }
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194 else if ((SYMBOLP (XCAR (elt)) || /* ( name <sound> . <vol> ) */
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195 STRINGP (XCAR (elt))) &&
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196 INT_OR_FLOATP (XCDR (elt)))
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197 {
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198 *sound = XCAR (elt);
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199 *volume = XCDR (elt);
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200 }
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201 #if 0 /* this one is ambiguous with the plist form */
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202 else if ((SYMBOLP (XCAR (elt)) || /* ( name <sound> <vol> ) */
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203 STRINGP (XCAR (elt))) &&
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204 CONSP (XCDR (elt)) &&
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205 NILP (XCDR (XCDR (elt))) &&
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206 INT_OR_FLOATP (XCAR (XCDR (elt))))
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207 {
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208 *sound = XCAR (elt);
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209 *volume = XCAR (XCDR (elt));
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210 }
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211 #endif /* 0 */
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212 else /* ( name [ keyword <value> ]* ) */
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213 {
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214 while (CONSP (elt))
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215 {
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216 Lisp_Object key, val;
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217 key = XCAR (elt);
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218 val = XCDR (elt);
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219 if (!CONSP (val))
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220 return;
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221 elt = XCDR (val);
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222 val = XCAR (val);
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223 if (EQ (key, Q_volume))
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224 {
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225 if (INT_OR_FLOATP (val)) *volume = val;
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226 }
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227 else if (EQ (key, Q_pitch))
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228 {
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229 if (INT_OR_FLOATP (val)) *pitch = val;
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230 if (NILP (*sound)) *sound = Qt;
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231 }
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232 else if (EQ (key, Q_duration))
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233 {
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234 if (INT_OR_FLOATP (val)) *duration = val;
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235 if (NILP (*sound)) *sound = Qt;
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236 }
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237 else if (EQ (key, Q_sound))
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238 {
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239 if (SYMBOLP (val) || STRINGP (val)) *sound = val;
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240 }
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241 }
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242 }
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243 }
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244
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20
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245 DEFUN ("play-sound", Fplay_sound, 1, 3, 0, /*
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0
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246 Play a sound of the provided type.
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247 See the variable `sound-alist'.
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20
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248 */
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249 (sound, volume, device))
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0
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250 {
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251 int looking_for_default = 0;
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252 /* variable `sound' is anything that can be a cdr in sound-alist */
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253 Lisp_Object new_volume, pitch, duration, data;
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254 int loop_count = 0;
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255 int vol, pit, dur;
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256 struct device *d = decode_device (device);
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257
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258 /* NOTE! You'd better not signal an error in here. */
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259
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260
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261 try_it_again:
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262 while (1)
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263 {
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264 if (SYMBOLP (sound))
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265 sound = Fcdr (Fassq (sound, Vsound_alist));
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266 parse_sound_alist_elt (sound, &new_volume, &pitch, &duration, &data);
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267 sound = data;
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268 if (NILP (volume)) volume = new_volume;
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269 if (EQ (sound, Qt) || EQ (sound, Qnil) || STRINGP (sound))
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270 break;
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271 if (loop_count++ > 500) /* much bogosity has occurred */
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272 break;
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273 }
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274
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275 if (NILP (sound) && !looking_for_default)
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276 {
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277 looking_for_default = 1;
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278 loop_count = 0;
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279 sound = Qdefault;
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280 goto try_it_again;
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281 }
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282
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272
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283
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284 vol = (INT_OR_FLOATP (volume) ? (int) XFLOATINT (volume) : bell_volume);
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285 pit = (INT_OR_FLOATP (pitch) ? (int) XFLOATINT (pitch) : -1);
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286 dur = (INT_OR_FLOATP (duration) ? (int) XFLOATINT (duration) : -1);
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0
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287
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288 /* If the sound is a string, and we're connected to Nas, do that.
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289 Else if the sound is a string, and we're on console, play it natively.
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290 Else just beep.
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291 */
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292 #ifdef HAVE_NAS_SOUND
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293 if (DEVICE_CONNECTED_TO_NAS_P (d) && STRINGP (sound))
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294 {
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265
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295 CONST Extbyte *soundext;
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0
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296 Extcount soundextlen;
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297
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298 GET_STRING_BINARY_DATA_ALLOCA (sound, soundext, soundextlen);
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272
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299 if (nas_play_sound_data ((unsigned char*)soundext, soundextlen, vol))
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0
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300 return Qnil;
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301 }
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302 #endif /* HAVE_NAS_SOUND */
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303
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304 #ifdef HAVE_NATIVE_SOUND
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305 if ((NILP (Vnative_sound_only_on_console) || DEVICE_ON_CONSOLE_P (d))
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306 && STRINGP (sound))
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307 {
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265
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308 CONST Extbyte *soundext;
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0
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309 Extcount soundextlen;
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310
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311 GET_STRING_BINARY_DATA_ALLOCA (sound, soundext, soundextlen);
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312 /* The sound code doesn't like getting SIGIO interrupts. Unix sucks! */
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313 stop_interrupts ();
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272
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314 play_sound_data ((unsigned char*)soundext, soundextlen, vol);
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0
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315 start_interrupts ();
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316 QUIT;
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317 return Qnil;
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318 }
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319 #endif /* HAVE_NATIVE_SOUND */
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320
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321 DEVMETH (d, ring_bell, (d, vol, pit, dur));
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322 return Qnil;
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323 }
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324
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20
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325 DEFUN ("device-sound-enabled-p", Fdevice_sound_enabled_p, 0, 1, 0, /*
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272
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326 Return t if DEVICE is able to play sound. Defaults to selected device.
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20
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327 */
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328 (device))
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0
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329 {
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330 struct device *d = decode_device(device);
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331
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332 #ifdef HAVE_NAS_SOUND
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272
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333 if (DEVICE_CONNECTED_TO_NAS_P (d))
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334 return Qt;
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0
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335 #endif
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336 #ifdef HAVE_NATIVE_SOUND
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272
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337 if (DEVICE_ON_CONSOLE_P (d))
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338 return Qt;
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0
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339 #endif
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340 return Qnil;
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341 }
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342
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20
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343 DEFUN ("ding", Fding, 0, 3, 0, /*
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0
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344 Beep, or flash the frame.
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345 Also, unless an argument is given,
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346 terminate any keyboard macro currently executing.
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347 When called from lisp, the second argument is what sound to make, and
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348 the third argument is the device to make it in (defaults to the selected
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349 device).
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20
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350 */
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351 (arg, sound, device))
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0
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352 {
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353 struct device *d = decode_device (device);
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354
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355 XSETDEVICE (device, d);
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245
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356
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357 /* #### This is utterly disgusting, and is probably a remnant from
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358 legacy code that used `ding'+`message' to signal error instead
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359 calling `error'. As a result, there is no way to beep from Lisp
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360 directly, without also invoking this aspect. Maybe we should
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361 define a `ring-bell' function that simply beeps on the console,
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362 which `ding' should invoke? --hniksic */
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0
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363 if (NILP (arg) && !NILP (Vexecuting_macro))
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364 /* Stop executing a keyboard macro. */
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365 error ("Keyboard macro terminated by a command ringing the bell");
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366 else if (visible_bell && DEVMETH (d, flash, (d)))
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367 ;
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368 else
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369 Fplay_sound (sound, Qnil, device);
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370
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371 return Qnil;
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372 }
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373
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20
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374 DEFUN ("wait-for-sounds", Fwait_for_sounds, 0, 1, 0, /*
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0
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375 Wait for all sounds to finish playing on DEVICE.
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20
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376 */
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377 (device))
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70
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378
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0
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379 {
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380 #ifdef HAVE_NAS_SOUND
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381 struct device *d = decode_device (device);
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382 if (DEVICE_CONNECTED_TO_NAS_P (d))
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383 {
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384 /* #### somebody fix this to be device-dependent. */
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385 nas_wait_for_sounds ();
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386 }
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387 #endif
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388 return Qnil;
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389 }
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390
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20
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391 DEFUN ("connected-to-nas-p", Fconnected_to_nas_p, 0, 1, 0, /*
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|
272
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392 Return t if connected to NAS server for sounds on DEVICE.
|
|
20
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393 */
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394 (device))
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0
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395 {
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396 #ifdef HAVE_NAS_SOUND
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|
272
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397 return DEVICE_CONNECTED_TO_NAS_P (decode_device (device)) ? Qt : Qnil;
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0
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398 #else
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399 return Qnil;
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400 #endif
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401 }
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402 #ifdef HAVE_NAS_SOUND
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403
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404 static void
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405 init_nas_sound (struct device *d)
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406 {
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407 char *error;
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408
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409 #ifdef HAVE_X_WINDOWS
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410 if (DEVICE_X_P (d))
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411 {
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412 error = nas_init_play (DEVICE_X_DISPLAY (d));
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413 DEVICE_CONNECTED_TO_NAS_P (d) = !error;
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414 /* Print out the message? */
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415 }
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416 #endif /* HAVE_X_WINDOWS */
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417 }
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418
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419 #endif /* HAVE_NAS_SOUND */
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420
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421 #ifdef HAVE_NATIVE_SOUND
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422
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423 static void
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424 init_native_sound (struct device *d)
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425 {
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265
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426 if (DEVICE_TTY_P (d) || DEVICE_STREAM_P (d) || DEVICE_MSWINDOWS_P(d))
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0
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427 DEVICE_ON_CONSOLE_P (d) = 1;
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428 #ifdef HAVE_X_WINDOWS
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429 else
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430 {
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431 /* When running on a machine with native sound support, we cannot use
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432 digitized sounds as beeps unless emacs is running on the same machine
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433 that $DISPLAY points to, and $DISPLAY points to frame 0 of that
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434 machine.
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435 */
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436
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437 Display *display = DEVICE_X_DISPLAY (d);
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438 char *dpy = DisplayString (display);
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439 char *tail = (char *) strchr (dpy, ':');
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440 if (! tail ||
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441 strncmp (tail, ":0", 2))
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442 DEVICE_ON_CONSOLE_P (d) = 0;
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443 else
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444 {
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445 char dpyname[255], localname[255];
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446
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447 /* some systems can't handle SIGIO or SIGALARM in gethostbyname. */
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448 stop_interrupts ();
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449 strncpy (dpyname, dpy, tail-dpy);
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450 dpyname [tail-dpy] = 0;
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451 if (!*dpyname ||
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452 !strcmp (dpyname, "unix") ||
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453 !strcmp (dpyname, "localhost"))
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454 DEVICE_ON_CONSOLE_P (d) = 1;
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455 else if (gethostname (localname, sizeof (localname)))
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456 DEVICE_ON_CONSOLE_P (d) = 0; /* can't find hostname? */
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457 else
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458 {
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459 /* We have to call gethostbyname() on the result of gethostname()
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460 because the two aren't guarenteed to be the same name for the
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461 same host: on some losing systems, one is a FQDN and the other
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462 is not. Here in the wide wonderful world of Unix it's rocket
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463 science to obtain the local hostname in a portable fashion.
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272
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464
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0
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465 And don't forget, gethostbyname() reuses the structure it
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466 returns, so we have to copy the fucker before calling it
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467 again.
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468
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469 Thank you master, may I have another.
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470 */
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471 struct hostent *h = gethostbyname (dpyname);
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472 if (!h)
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473 DEVICE_ON_CONSOLE_P (d) = 0;
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474 else
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475 {
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476 char hn [255];
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477 struct hostent *l;
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478 strcpy (hn, h->h_name);
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479 l = gethostbyname (localname);
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480 DEVICE_ON_CONSOLE_P (d) = (l && !(strcmp (l->h_name, hn)));
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481 }
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482 }
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483 start_interrupts ();
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484 }
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485 }
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486 #endif /* HAVE_X_WINDOWS */
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487 }
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488
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489 #endif /* HAVE_NATIVE_SOUND */
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490
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491 void
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492 init_device_sound (struct device *d)
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493 {
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494 #ifdef HAVE_NAS_SOUND
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495 init_nas_sound (d);
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496 #endif
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497
|
|
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498 #ifdef HAVE_NATIVE_SOUND
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499 init_native_sound (d);
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500 #endif
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501 }
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502
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503 void
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504 syms_of_sound (void)
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505 {
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506 defkeyword (&Q_volume, ":volume");
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507 defkeyword (&Q_pitch, ":pitch");
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508 defkeyword (&Q_duration, ":duration");
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|
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509 defkeyword (&Q_sound, ":sound");
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510
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511 #ifdef HAVE_NAS_SOUND
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512 defsymbol (&Qnas, "nas");
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|
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513 #endif
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514
|
|
20
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515 DEFSUBR (Fplay_sound_file);
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516 DEFSUBR (Fplay_sound);
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517 DEFSUBR (Fding);
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|
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518 DEFSUBR (Fwait_for_sounds);
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|
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519 DEFSUBR (Fconnected_to_nas_p);
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|
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520 DEFSUBR (Fdevice_sound_enabled_p);
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0
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521 }
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|
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522
|
|
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523
|
|
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524 void
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|
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525 vars_of_sound (void)
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|
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526 {
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|
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527 #ifdef HAVE_NATIVE_SOUND
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|
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528 Fprovide (intern ("native-sound"));
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|
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529 #endif
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|
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530 #ifdef HAVE_NAS_SOUND
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|
|
531 Fprovide (intern ("nas-sound"));
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|
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532 #endif
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|
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533
|
|
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534 DEFVAR_INT ("bell-volume", &bell_volume /*
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535 *How loud to be, from 0 to 100.
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|
|
536 */ );
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|
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537 bell_volume = 50;
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|
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538
|
|
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539 DEFVAR_LISP ("sound-alist", &Vsound_alist /*
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|
|
540 An alist associating names with sounds.
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|
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541 When `beep' or `ding' is called with one of the name symbols, the associated
|
|
|
542 sound will be generated instead of the standard beep.
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|
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543
|
|
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544 Each element of `sound-alist' is a list describing a sound.
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|
|
545 The first element of the list is the name of the sound being defined.
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|
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546 Subsequent elements of the list are alternating keyword/value pairs:
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|
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547
|
|
|
548 Keyword: Value:
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|
|
549 ------- -----
|
|
|
550 sound A string of raw sound data, or the name of another sound to
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|
|
551 play. The symbol `t' here means use the default X beep.
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|
|
552 volume An integer from 0-100, defaulting to `bell-volume'
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|
|
553 pitch If using the default X beep, the pitch (Hz) to generate.
|
|
|
554 duration If using the default X beep, the duration (milliseconds).
|
|
|
555
|
|
|
556 For compatibility, elements of `sound-alist' may also be:
|
|
|
557
|
|
|
558 ( sound-name . <sound> )
|
|
|
559 ( sound-name <volume> <sound> )
|
|
|
560
|
|
|
561 You should probably add things to this list by calling the function
|
|
|
562 load-sound-file.
|
|
|
563
|
|
|
564 Caveats:
|
|
|
565 - You can only play audio data if running on the console screen of a
|
|
|
566 Sun SparcStation, SGI, or HP9000s700.
|
|
|
567
|
|
|
568 - The pitch, duration, and volume options are available everywhere, but
|
|
|
569 many X servers ignore the `pitch' option.
|
|
|
570
|
|
|
571 The following beep-types are used by emacs itself:
|
|
|
572
|
|
|
573 auto-save-error when an auto-save does not succeed
|
|
|
574 command-error when the emacs command loop catches an error
|
|
|
575 undefined-key when you type a key that is undefined
|
|
|
576 undefined-click when you use an undefined mouse-click combination
|
|
|
577 no-completion during completing-read
|
|
|
578 y-or-n-p when you type something other than 'y' or 'n'
|
|
|
579 yes-or-no-p when you type something other than 'yes' or 'no'
|
|
|
580 default used when nothing else is appropriate.
|
|
|
581
|
|
|
582 Other lisp packages may use other beep types, but these are the ones that
|
|
|
583 the C kernel of Emacs uses.
|
|
|
584 */ );
|
|
|
585 Vsound_alist = Qnil;
|
|
|
586
|
|
|
587 DEFVAR_LISP ("synchronous-sounds", &Vsynchronous_sounds /*
|
|
|
588 Play sounds synchronously, if non-nil.
|
|
|
589 Only applies if NAS is used and supports asynchronous playing
|
|
|
590 of sounds. Otherwise, sounds are always played synchronously.
|
|
|
591 */ );
|
|
|
592 Vsynchronous_sounds = Qnil;
|
|
|
593
|
|
|
594 DEFVAR_LISP ("native-sound-only-on-console", &Vnative_sound_only_on_console /*
|
|
|
595 Non-nil value means play sounds only if XEmacs is running
|
|
|
596 on the system console.
|
|
367
|
597 Nil means always play sounds, even if running on a non-console tty
|
|
0
|
598 or a secondary X display.
|
|
|
599
|
|
|
600 This variable only applies to native sound support.
|
|
|
601 */ );
|
|
|
602 Vnative_sound_only_on_console = Qt;
|
|
|
603
|
|
|
604 #if defined (HAVE_NATIVE_SOUND) && defined (hp9000s800)
|
|
286
|
605 {
|
|
|
606 void vars_of_hpplay (void);
|
|
|
607 vars_of_hpplay ();
|
|
|
608 }
|
|
0
|
609 #endif
|
|
|
610 }
|
