Mercurial > octave-nkf

annotate libinterp/corefcn/octave-link.cc @ 20616:fd0efcdb3718

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use new string_value method to handle value extraction errors * dirfns.cc, file-io.cc, gammainc.cc, help.cc, load-path.cc, octave-link.cc, qz.cc, regexp.cc, strfns.cc, syscalls.cc, time.cc, variables.cc: Use new string_value method.
author John W. Eaton <jwe@octave.org>
date Thu, 08 Oct 2015 19:00:51 -0400
parents 7ac907da9fba
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2
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3 Copyright (C) 2013-2015 John W. Eaton
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4 Copyright (C) 2011-2015 Jacob Dawid
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5 Copyright (C) 2011-2015 John P. Swensen
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6
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7 This file is part of Octave.
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8
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9 Octave is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 3 of the License, or (at your
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12 option) any later version.
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13
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14 Octave is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with Octave; see the file COPYING. If not, see
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21 <http://www.gnu.org/licenses/>.
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22
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23 */
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24
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25 #ifdef HAVE_CONFIG_H
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26 #include <config.h>
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27 #endif
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28
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29 #include "cmd-edit.h"
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30 #include "defun.h"
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31 #include "oct-env.h"
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32 #include "oct-mutex.h"
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33 #include "singleton-cleanup.h"
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34 #include "toplev.h"
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35
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36 #include "octave-link.h"
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37
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38 static int
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39 octave_readline_hook (void)
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40 {
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41 octave_link::entered_readline_hook ();
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42 octave_link::generate_events ();
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43 octave_link::process_events ();
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44 octave_link::finished_readline_hook ();
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45
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46 return 0;
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47 }
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48
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49 octave_link *octave_link::instance = 0;
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50
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51 octave_link::octave_link (void)
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52 : event_queue_mutex (new octave_mutex ()), gui_event_queue (),
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53 debugging (false), link_enabled (true)
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54 {
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55 command_editor::add_event_hook (octave_readline_hook);
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56 }
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57
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58 void
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59 octave_link::set_workspace (void)
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60 {
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61 if (enabled ())
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62 instance->do_set_workspace ((symbol_table::current_scope ()
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63 == symbol_table::top_scope ()),
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64 instance->debugging,
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65 symbol_table::workspace_info ());
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66 }
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67
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68 // OBJ should be an object of a class that is derived from the base
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69 // class octave_link, or 0 to disconnect the link. It is the
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70 // responsibility of the caller to delete obj.
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71
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72 void
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73 octave_link::connect_link (octave_link* obj)
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74 {
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75 if (obj && instance)
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76 error ("octave_link is already linked!");
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77 else
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78 instance = obj;
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79 }
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80
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81 void
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82 octave_link::do_generate_events (void)
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83 {
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84 }
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85
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86 void
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87 octave_link::do_process_events (void)
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88 {
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89 event_queue_mutex->lock ();
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90
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91 gui_event_queue.run ();
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92
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93 event_queue_mutex->unlock ();
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94 }
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95
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96 void
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97 octave_link::do_discard_events (void)
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98 {
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99 event_queue_mutex->lock ();
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100
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101 gui_event_queue.discard ();
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102
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103 event_queue_mutex->unlock ();
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104 }
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105
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106 DEFUN (__octave_link_enabled__, , ,
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107 "-*- texinfo -*-\n\
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108 @deftypefn {Built-in Function} {} __octave_link_enabled__ ()\n\
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109 Undocumented internal function.\n\
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110 @end deftypefn")
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111 {
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112 return octave_value (octave_link::enabled ());
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113 }
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114
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115 DEFUN (__octave_link_edit_file__, args, ,
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116 "-*- texinfo -*-\n\
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117 @deftypefn {Built-in Function} {} __octave_link_edit_file__ (@var{file})\n\
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118 Undocumented internal function.\n\
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119 @end deftypefn")
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120 {
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121 octave_value retval;
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122
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123 if (args.length () == 1)
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124 {
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125 std::string file = args(0).string_value ("expecting file name as argument");
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126
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127 flush_octave_stdout ();
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128
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129 retval = octave_link::edit_file (file);
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130 }
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131 else if (args.length () == 2)
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132 {
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133 std::string file = args(0).string_value ("expecting file name as first argument");
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134
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135 flush_octave_stdout ();
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136
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137 retval = octave_link::prompt_new_edit_file (file);
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138 }
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139
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140 return retval;
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141 }
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142
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143 DEFUN (__octave_link_message_dialog__, args, ,
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144 "-*- texinfo -*-\n\
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145 @deftypefn {Built-in Function} {} __octave_link_message_dialog__ (@var{dlg}, @var{msg}, @var{title})\n\
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146 Undocumented internal function.\n\
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147 @end deftypefn")
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148 {
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149 octave_value retval;
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150
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151 if (args.length () == 3)
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152 {
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153 std::string dlg = args(0).string_value ("invalid arguments");
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154 std::string msg = args(1).string_value ("invalid arguments");
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155 std::string title = args(2).string_value ("invalid arguments");
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156
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157 flush_octave_stdout ();
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158
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159 retval = octave_link::message_dialog (dlg, msg, title);
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160 }
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161
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162 return retval;
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163 }
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164
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165 DEFUN (__octave_link_question_dialog__, args, ,
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166 "-*- texinfo -*-\n\
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167 @deftypefn {Built-in Function} {} __octave_link_question_dialog__ (@var{msg}, @var{title}, @var{btn1}, @var{btn2}, @var{btn3}, @var{default})\n\
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168 Undocumented internal function.\n\
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169 @end deftypefn")
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170 {
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171 octave_value retval;
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172
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173 if (args.length () == 6)
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174 {
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175 std::string msg = args(0).string_value ("invalid arguments");
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176 std::string title = args(1).string_value ("invalid arguments");
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177 std::string btn1 = args(2).string_value ("invalid arguments");
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178 std::string btn2 = args(3).string_value ("invalid arguments");
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179 std::string btn3 = args(4).string_value ("invalid arguments");
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180 std::string btndef = args(5).string_value ("invalid arguments");
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181
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182 flush_octave_stdout ();
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183
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184 retval = octave_link::question_dialog (msg, title, btn1, btn2, btn3,
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185 btndef);
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186 }
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187
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188 return retval;
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189 }
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190
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191 DEFUN (__octave_link_file_dialog__, args, ,
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192 "-*- texinfo -*-\n\
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193 @deftypefn {Built-in Function} {} __octave_link_file_dialog__ (@var{filterlist}, @var{title}, @var{filename}, @var{size} @var{multiselect}, @var{pathname})\n\
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194 Undocumented internal function.\n\
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195 @end deftypefn")
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196 {
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197 octave_value_list retval;
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198
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199 if (args.length () == 6)
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200 {
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201
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202 const Array<std::string> flist = args(0).cellstr_value ();
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203 std::string title = args(1).string_value ();
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204 std::string filename = args(2).string_value ();
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205 Matrix pos = args(3).matrix_value ();
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206 std::string multi_on = args(4).string_value (); // on, off, create
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207 std::string pathname = args(5).string_value ();
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208
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209 octave_idx_type nel;
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210 octave_link::filter_list filter_lst;
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211
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212 for (octave_idx_type i = 0; i < flist.rows (); i++)
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213 filter_lst.push_back (std::make_pair (flist(i,0),
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214 (flist.columns () > 1
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215 ? flist(i,1) : "")));
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216
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217 if (! error_state)
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218 {
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219 flush_octave_stdout ();
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220
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221 std::list<std::string> items_lst
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222 = octave_link::file_dialog (filter_lst, title, filename, pathname,
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diff changeset
223 multi_on);
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224
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225 nel = items_lst.size ();
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226
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227 retval.resize (3);
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228
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diff changeset
229 // If 3, then retval is filename, directory, and selected index.
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230 if (nel <= 3)
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231 {
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232 int idx = 0;
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233 for (std::list<std::string>::iterator it = items_lst.begin ();
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diff changeset
234 it != items_lst.end (); it++)
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235 {
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236 retval(idx++) = *it;
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237
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238 if (idx == 1 && retval(0).string_value ().length () == 0)
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239 retval(0) = 0;
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240
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241 if (idx == 3)
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242 retval(2) = atoi (retval(2).string_value ().c_str ());
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243 }
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244 }
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245 else
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246 {
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247 // Multiple files.
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248 nel = items_lst.size () - 2;
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249 Cell items (dim_vector (1, nel));
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250
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251 std::list<std::string>::iterator it = items_lst.begin ();
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252
17377
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253 for (int idx = 0; idx < nel; idx++)
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254 {
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255 items.xelem (idx) = *it;
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diff changeset
256 it++;
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257 }
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258
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259 retval(0) = items;
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260 retval(1) = *it++;
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261 retval(2) = atoi (it->c_str ());
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262 }
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263 }
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264 else
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265 error ("invalid arguments");
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266 }
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267
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268 return retval;
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269 }
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270
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271 DEFUN (__octave_link_list_dialog__, args, ,
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272 "-*- texinfo -*-\n\
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273 @deftypefn {Built-in Function} {} __octave_link_list_dialog__ (@var{list}, @var{mode}, @var{size}, @var{intial}, @var{name}, @var{prompt}, @var{ok_string}, @var{cancel_string})\n\
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274 Undocumented internal function.\n\
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275 @end deftypefn")
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276 {
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277 octave_value_list retval;
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278
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279 if (args.length () == 8)
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280 {
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281 Cell list = args(0).cell_value ();
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282 const Array<std::string> tlist = list.cellstr_value ();
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283 octave_idx_type nel = tlist.numel ();
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284 std::list<std::string> list_lst;
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285 for (octave_idx_type i = 0; i < nel; i++)
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286 list_lst.push_back (tlist(i));
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287
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288 std::string mode = args(1).string_value ();
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289
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290 Matrix size_matrix = args(2).matrix_value ();
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291 int width = size_matrix(0);
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292 int height = size_matrix(1);
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293
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294 Matrix initial_matrix = args(3).matrix_value ();
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295 nel = initial_matrix.numel ();
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296 std::list<int> initial_lst;
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297 for (octave_idx_type i = 0; i < nel; i++)
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298 initial_lst.push_back (initial_matrix(i));
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299
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300 std::string name = args(4).string_value ();
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301 list = args(5).cell_value ();
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302 const Array<std::string> plist = list.cellstr_value ();
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303 nel = plist.numel ();
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304 std::list<std::string> prompt_lst;
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305 for (octave_idx_type i = 0; i < nel; i++)
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306 prompt_lst.push_back (plist(i));
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307 std::string ok_string = args(6).string_value ();
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308 std::string cancel_string = args(7).string_value ();
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309
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310 flush_octave_stdout ();
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311
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312 std::pair<std::list<int>, int> result
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313 = octave_link::list_dialog (list_lst, mode, width, height,
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314 initial_lst, name, prompt_lst,
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315 ok_string, cancel_string);
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316
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317 std::list<int> items_lst = result.first;
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318 nel = items_lst.size ();
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319 Matrix items (dim_vector (1, nel));
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320 octave_idx_type i = 0;
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321 for (std::list<int>::iterator it = items_lst.begin ();
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322 it != items_lst.end (); it++)
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323 {
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324 items.xelem(i++) = *it;
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325 }
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326
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327 retval(1) = result.second;
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328 retval(0) = items;
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329 }
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330
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331 return retval;
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332 }
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333
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334 DEFUN (__octave_link_input_dialog__, args, ,
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335 "-*- texinfo -*-\n\
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336 @deftypefn {Built-in Function} {} __octave_link_input_dialog__ (@var{prompt}, @var{title}, @var{rowscols}, @var{defaults})\n\
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337 Undocumented internal function.\n\
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338 @end deftypefn")
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339 {
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340 octave_value retval;
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341
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342 if (args.length () == 4)
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343 {
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344 Cell prompt = args(0).cell_value ();
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345 Array<std::string> tmp = prompt.cellstr_value ();
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346 octave_idx_type nel = tmp.numel ();
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347 std::list<std::string> prompt_lst;
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348 for (octave_idx_type i = 0; i < nel; i++)
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349 prompt_lst.push_back (tmp(i));
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350
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351 std::string title = args(1).string_value ();
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352
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353 Matrix rc = args(2).matrix_value ();
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354 nel = rc.rows ();
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355 std::list<float> nr;
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356 std::list<float> nc;
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357 for (octave_idx_type i = 0; i < nel; i++)
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358 {
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359 nr.push_back (rc(i,0));
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360 nc.push_back (rc(i,1));
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361 }
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362
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363 Cell defaults = args(3).cell_value ();
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364 tmp = defaults.cellstr_value ();
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365 nel = tmp.numel ();
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366 std::list<std::string> defaults_lst;
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367 for (octave_idx_type i = 0; i < nel; i++)
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368 defaults_lst.push_back (tmp(i));
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369
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370 flush_octave_stdout ();
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371
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372 std::list<std::string> items_lst
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373 = octave_link::input_dialog (prompt_lst, title, nr, nc,
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374 defaults_lst);
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375
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376 nel = items_lst.size ();
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377 Cell items (dim_vector (nel, 1));
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378 octave_idx_type i = 0;
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379 for (std::list<std::string>::iterator it = items_lst.begin ();
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380 it != items_lst.end (); it++)
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381 {
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382 items.xelem(i++) = *it;
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383 }
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384
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385 retval = items;
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386 }
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387
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Daniel J Sebald <daniel.sebald@ieee.org>, John W. Eaton <jwe@octave.org>
parents: 16485
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388 return retval;
7f2395651a1c dialog boxes with Qt widgets
Daniel J Sebald <daniel.sebald@ieee.org>, John W. Eaton <jwe@octave.org>
parents: 16485
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389 }
17010
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John Donoghue <john.donoghue@ieee.org>
parents: 16894
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390
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John Donoghue <john.donoghue@ieee.org>
parents: 16894
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391 DEFUN (__octave_link_show_preferences__, , ,
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Rik <rik@octave.org>
parents: 17744
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392 "-*- texinfo -*-\n\
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John Donoghue <john.donoghue@ieee.org>
parents: 16894
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393 @deftypefn {Built-in Function} {} __octave_link_show_preferences__ ()\n\
c50ee84842a9 Add preferences and prefdir functions
John Donoghue <john.donoghue@ieee.org>
parents: 16894
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394 Undocumented internal function.\n\
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John Donoghue <john.donoghue@ieee.org>
parents: 16894
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395 @end deftypefn")
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John Donoghue <john.donoghue@ieee.org>
parents: 16894
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396 {
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John Donoghue <john.donoghue@ieee.org>
parents: 16894
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397 octave_value retval;
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John Donoghue <john.donoghue@ieee.org>
parents: 16894
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398
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John Donoghue <john.donoghue@ieee.org>
parents: 16894
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399 retval = octave_link::show_preferences ();
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John Donoghue <john.donoghue@ieee.org>
parents: 16894
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400
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John Donoghue <john.donoghue@ieee.org>
parents: 16894
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401 return retval;
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John Donoghue <john.donoghue@ieee.org>
parents: 16894
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402 }
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John Donoghue <john.donoghue@ieee.org>
parents: 16894
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403
17029
359c5ca795cd Display doc info pages using documentation browser when in GUI mode (Bug #39451)
John Donoghue <john.donoghue@ieee.org>
parents: 17010
diff changeset
404 DEFUN (__octave_link_show_doc__, args, ,
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175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
405 "-*- texinfo -*-\n\
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Rik <rik@octave.org>
parents: 18710
diff changeset
406 @deftypefn {Built-in Function} {} __octave_link_show_doc__ (@var{filename})\n\
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John Donoghue <john.donoghue@ieee.org>
parents: 17010
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407 Undocumented internal function.\n\
359c5ca795cd Display doc info pages using documentation browser when in GUI mode (Bug #39451)
John Donoghue <john.donoghue@ieee.org>
parents: 17010
diff changeset
408 @end deftypefn")
359c5ca795cd Display doc info pages using documentation browser when in GUI mode (Bug #39451)
John Donoghue <john.donoghue@ieee.org>
parents: 17010
diff changeset
409 {
359c5ca795cd Display doc info pages using documentation browser when in GUI mode (Bug #39451)
John Donoghue <john.donoghue@ieee.org>
parents: 17010
diff changeset
410 octave_value retval;
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John Donoghue <john.donoghue@ieee.org>
parents: 17010
diff changeset
411 std::string file;
17010
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John Donoghue <john.donoghue@ieee.org>
parents: 16894
diff changeset
412
17029
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John Donoghue <john.donoghue@ieee.org>
parents: 17010
diff changeset
413 if (args.length () >= 1)
359c5ca795cd Display doc info pages using documentation browser when in GUI mode (Bug #39451)
John Donoghue <john.donoghue@ieee.org>
parents: 17010
diff changeset
414 file = args(0).string_value();
359c5ca795cd Display doc info pages using documentation browser when in GUI mode (Bug #39451)
John Donoghue <john.donoghue@ieee.org>
parents: 17010
diff changeset
415
359c5ca795cd Display doc info pages using documentation browser when in GUI mode (Bug #39451)
John Donoghue <john.donoghue@ieee.org>
parents: 17010
diff changeset
416 retval = octave_link::show_doc (file);
359c5ca795cd Display doc info pages using documentation browser when in GUI mode (Bug #39451)
John Donoghue <john.donoghue@ieee.org>
parents: 17010
diff changeset
417
359c5ca795cd Display doc info pages using documentation browser when in GUI mode (Bug #39451)
John Donoghue <john.donoghue@ieee.org>
parents: 17010
diff changeset
418 return retval;
359c5ca795cd Display doc info pages using documentation browser when in GUI mode (Bug #39451)
John Donoghue <john.donoghue@ieee.org>
parents: 17010
diff changeset
419 }
359c5ca795cd Display doc info pages using documentation browser when in GUI mode (Bug #39451)
John Donoghue <john.donoghue@ieee.org>
parents: 17010
diff changeset
420
359c5ca795cd Display doc info pages using documentation browser when in GUI mode (Bug #39451)
John Donoghue <john.donoghue@ieee.org>
parents: 17010
diff changeset
421
359c5ca795cd Display doc info pages using documentation browser when in GUI mode (Bug #39451)
John Donoghue <john.donoghue@ieee.org>
parents: 17010
diff changeset
422