Mercurial > octave
annotate libinterp/corefcn/octave-link.cc @ 21836:2049e123bf7b
uigetdir, uigetfile, uiputfile: Return zeros when user cancels (bug #48171)
* octave-link.cc (__octave_link_file_dialog__): Return three zeros for Malab
compatibility when the file list starts with an empty string, meaning the
dialog was canceled.
author | Mike Miller <mtmiller@octave.org> |
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date | Wed, 08 Jun 2016 10:40:39 -0700 |
parents | 176536b15d68 |
children | 3ef630a564f8 |
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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25 #if defined (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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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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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 octave::command_editor::add_event_hook (octave_readline_hook); |
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56 } |
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57 |
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58 octave_link::~octave_link (void) |
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59 { |
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60 delete event_queue_mutex; |
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61 } |
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62 |
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63 void |
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64 octave_link::set_workspace (void) |
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65 { |
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66 if (enabled ()) |
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67 instance->do_set_workspace ((symbol_table::current_scope () |
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68 == symbol_table::top_scope ()), |
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69 instance->debugging, |
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70 symbol_table::workspace_info ()); |
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71 } |
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72 |
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73 // OBJ should be an object of a class that is derived from the base |
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74 // class octave_link, or 0 to disconnect the link. It is the |
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75 // responsibility of the caller to delete obj. |
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76 |
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77 void |
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78 octave_link::connect_link (octave_link* obj) |
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79 { |
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80 if (obj && instance) |
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81 error ("octave_link is already linked!"); |
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82 |
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83 instance = obj; |
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85 | |
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86 void |
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87 octave_link::do_generate_events (void) |
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88 { |
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89 } |
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90 |
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91 void |
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92 octave_link::do_process_events (void) |
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93 { |
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94 event_queue_mutex->lock (); |
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95 |
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96 gui_event_queue.run (); |
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97 |
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98 event_queue_mutex->unlock (); |
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99 } |
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100 |
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101 void |
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102 octave_link::do_discard_events (void) |
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103 { |
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104 event_queue_mutex->lock (); |
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105 |
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106 gui_event_queue.discard (); |
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107 |
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108 event_queue_mutex->unlock (); |
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109 } |
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110 |
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111 DEFUN (__octave_link_enabled__, , , |
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112 "-*- texinfo -*-\n\ |
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113 @deftypefn {} {} __octave_link_enabled__ ()\n\ |
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114 Undocumented internal function.\n\ |
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115 @end deftypefn") |
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116 { |
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117 return ovl (octave_link::enabled ()); |
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118 } |
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119 |
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120 DEFUN (__octave_link_edit_file__, args, , |
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121 "-*- texinfo -*-\n\ |
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122 @deftypefn {} {} __octave_link_edit_file__ (@var{file})\n\ |
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123 Undocumented internal function.\n\ |
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124 @end deftypefn") |
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125 { |
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126 octave_value retval; |
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127 |
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128 if (args.length () == 1) |
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129 { |
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130 std::string file = args(0).xstring_value ("first argument must be filename"); |
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131 |
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132 flush_octave_stdout (); |
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133 |
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134 retval = octave_link::edit_file (file); |
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135 } |
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136 else if (args.length () == 2) |
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137 { |
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138 std::string file = args(0).xstring_value ("first argument must be filename"); |
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139 |
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140 flush_octave_stdout (); |
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141 |
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142 retval = octave_link::prompt_new_edit_file (file); |
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143 } |
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144 |
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145 return retval; |
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146 } |
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147 |
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148 DEFUN (__octave_link_message_dialog__, args, , |
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149 "-*- texinfo -*-\n\ |
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150 @deftypefn {} {} __octave_link_message_dialog__ (@var{dlg}, @var{msg}, @var{title})\n\ |
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151 Undocumented internal function.\n\ |
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152 @end deftypefn") |
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153 { |
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154 octave_value retval; |
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155 |
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156 if (args.length () == 3) |
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157 { |
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158 std::string dlg = args(0).xstring_value ("invalid arguments"); |
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159 std::string msg = args(1).xstring_value ("invalid arguments"); |
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160 std::string title = args(2).xstring_value ("invalid arguments"); |
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161 |
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162 flush_octave_stdout (); |
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163 |
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164 retval = octave_link::message_dialog (dlg, msg, title); |
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165 } |
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166 |
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167 return retval; |
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168 } |
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169 |
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170 DEFUN (__octave_link_question_dialog__, args, , |
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171 "-*- texinfo -*-\n\ |
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172 @deftypefn {} {} __octave_link_question_dialog__ (@var{msg}, @var{title}, @var{btn1}, @var{btn2}, @var{btn3}, @var{default})\n\ |
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173 Undocumented internal function.\n\ |
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174 @end deftypefn") |
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175 { |
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176 octave_value retval; |
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177 |
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178 if (args.length () == 6) |
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179 { |
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180 std::string msg = args(0).xstring_value ("invalid arguments"); |
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181 std::string title = args(1).xstring_value ("invalid arguments"); |
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182 std::string btn1 = args(2).xstring_value ("invalid arguments"); |
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183 std::string btn2 = args(3).xstring_value ("invalid arguments"); |
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184 std::string btn3 = args(4).xstring_value ("invalid arguments"); |
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185 std::string btndef = args(5).xstring_value ("invalid arguments"); |
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186 |
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187 flush_octave_stdout (); |
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188 |
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189 retval = octave_link::question_dialog (msg, title, btn1, btn2, btn3, |
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190 btndef); |
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191 } |
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192 |
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193 return retval; |
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194 } |
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195 |
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196 DEFUN (__octave_link_file_dialog__, args, , |
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197 "-*- texinfo -*-\n\ |
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198 @deftypefn {} {} __octave_link_file_dialog__ (@var{filterlist}, @var{title}, @var{filename}, @var{size} @var{multiselect}, @var{pathname})\n\ |
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199 Undocumented internal function.\n\ |
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200 @end deftypefn") |
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201 { |
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202 if (args.length () != 6) |
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203 return ovl (); |
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204 |
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205 octave_value_list retval (3); |
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206 |
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207 const Array<std::string> flist = args(0).cellstr_value (); |
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208 std::string title = args(1).string_value (); |
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209 std::string filename = args(2).string_value (); |
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210 Matrix pos = args(3).matrix_value (); |
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211 std::string multi_on = args(4).string_value (); // on, off, create |
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212 std::string pathname = args(5).string_value (); |
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213 |
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214 octave_idx_type nel; |
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215 octave_link::filter_list filter_lst; |
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216 |
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217 for (octave_idx_type i = 0; i < flist.rows (); i++) |
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218 filter_lst.push_back (std::make_pair (flist(i,0), |
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219 (flist.columns () > 1 |
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220 ? flist(i,1) : ""))); |
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221 |
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222 flush_octave_stdout (); |
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223 |
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224 std::list<std::string> items_lst |
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225 = octave_link::file_dialog (filter_lst, title, filename, pathname, |
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226 multi_on); |
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227 |
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228 nel = items_lst.size (); |
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229 |
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230 // If 3, then retval is filename, directory, and selected index. |
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231 if (nel <= 3) |
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232 { |
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233 int idx = 0; |
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234 if (items_lst.front ().empty ()) |
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235 { |
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236 retval(idx++) = 0; |
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237 retval(idx++) = 0; |
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238 retval(idx++) = 0; |
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239 } |
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240 else |
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241 for (std::list<std::string>::iterator it = items_lst.begin (); |
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242 it != items_lst.end (); it++) |
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243 { |
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244 retval(idx++) = *it; |
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245 |
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246 if (idx == 3) |
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247 retval(2) = atoi (retval(2).string_value ().c_str ()); |
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248 } |
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249 } |
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250 else |
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251 { |
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252 // Multiple files. |
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253 nel = items_lst.size () - 2; |
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254 Cell items (dim_vector (1, nel)); |
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255 |
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256 std::list<std::string>::iterator it = items_lst.begin (); |
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257 |
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258 for (int idx = 0; idx < nel; idx++) |
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259 { |
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260 items.xelem (idx) = *it; |
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261 it++; |
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262 } |
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263 |
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264 retval = ovl (items, *it++, atoi (it->c_str ())); |
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265 } |
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266 |
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267 return retval; |
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268 } |
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269 |
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270 DEFUN (__octave_link_list_dialog__, args, , |
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271 "-*- texinfo -*-\n\ |
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272 @deftypefn {} {} __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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273 Undocumented internal function.\n\ |
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274 @end deftypefn") |
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275 { |
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276 if (args.length () != 8) |
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277 return ovl (); |
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278 |
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279 Cell list = args(0).cell_value (); |
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280 const Array<std::string> tlist = list.cellstr_value (); |
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281 octave_idx_type nel = tlist.numel (); |
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282 std::list<std::string> list_lst; |
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283 for (octave_idx_type i = 0; i < nel; i++) |
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284 list_lst.push_back (tlist(i)); |
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285 |
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286 std::string mode = args(1).string_value (); |
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287 |
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288 Matrix size_matrix = args(2).matrix_value (); |
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289 int width = size_matrix(0); |
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290 int height = size_matrix(1); |
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291 |
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292 Matrix initial_matrix = args(3).matrix_value (); |
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293 nel = initial_matrix.numel (); |
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294 std::list<int> initial_lst; |
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295 for (octave_idx_type i = 0; i < nel; i++) |
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296 initial_lst.push_back (initial_matrix(i)); |
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297 |
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298 std::string name = args(4).string_value (); |
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299 list = args(5).cell_value (); |
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300 const Array<std::string> plist = list.cellstr_value (); |
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301 nel = plist.numel (); |
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302 std::list<std::string> prompt_lst; |
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303 for (octave_idx_type i = 0; i < nel; i++) |
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304 prompt_lst.push_back (plist(i)); |
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305 std::string ok_string = args(6).string_value (); |
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306 std::string cancel_string = args(7).string_value (); |
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307 |
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308 flush_octave_stdout (); |
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309 |
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310 std::pair<std::list<int>, int> result |
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311 = octave_link::list_dialog (list_lst, mode, width, height, |
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312 initial_lst, name, prompt_lst, |
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313 ok_string, cancel_string); |
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314 |
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315 std::list<int> items_lst = result.first; |
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316 nel = items_lst.size (); |
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317 Matrix items (dim_vector (1, nel)); |
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318 octave_idx_type i = 0; |
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319 for (std::list<int>::iterator it = items_lst.begin (); |
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320 it != items_lst.end (); it++) |
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321 { |
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322 items.xelem(i++) = *it; |
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323 } |
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324 |
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325 return ovl (items, result.second); |
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326 } |
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327 |
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328 DEFUN (__octave_link_input_dialog__, args, , |
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329 "-*- texinfo -*-\n\ |
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330 @deftypefn {} {} __octave_link_input_dialog__ (@var{prompt}, @var{title}, @var{rowscols}, @var{defaults})\n\ |
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331 Undocumented internal function.\n\ |
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332 @end deftypefn") |
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333 { |
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334 if (args.length () != 4) |
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335 return ovl (); |
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336 |
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337 Cell prompt = args(0).cell_value (); |
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338 Array<std::string> tmp = prompt.cellstr_value (); |
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339 octave_idx_type nel = tmp.numel (); |
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340 std::list<std::string> prompt_lst; |
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341 for (octave_idx_type i = 0; i < nel; i++) |
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342 prompt_lst.push_back (tmp(i)); |
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343 |
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344 std::string title = args(1).string_value (); |
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345 |
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346 Matrix rc = args(2).matrix_value (); |
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347 nel = rc.rows (); |
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348 std::list<float> nr; |
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349 std::list<float> nc; |
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350 for (octave_idx_type i = 0; i < nel; i++) |
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351 { |
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352 nr.push_back (rc(i,0)); |
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353 nc.push_back (rc(i,1)); |
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354 } |
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355 |
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356 Cell defaults = args(3).cell_value (); |
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357 tmp = defaults.cellstr_value (); |
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358 nel = tmp.numel (); |
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359 std::list<std::string> defaults_lst; |
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360 for (octave_idx_type i = 0; i < nel; i++) |
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361 defaults_lst.push_back (tmp(i)); |
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362 |
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363 flush_octave_stdout (); |
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364 |
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365 std::list<std::string> items_lst |
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366 = octave_link::input_dialog (prompt_lst, title, nr, nc, |
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367 defaults_lst); |
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368 |
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369 nel = items_lst.size (); |
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370 Cell items (dim_vector (nel, 1)); |
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371 octave_idx_type i = 0; |
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372 for (std::list<std::string>::iterator it = items_lst.begin (); |
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373 it != items_lst.end (); it++) |
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374 { |
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375 items.xelem(i++) = *it; |
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376 } |
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377 |
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378 return ovl (items); |
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379 } |
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380 |
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381 DEFUN (__octave_link_show_preferences__, , , |
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382 "-*- texinfo -*-\n\ |
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383 @deftypefn {} {} __octave_link_show_preferences__ ()\n\ |
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384 Undocumented internal function.\n\ |
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385 @end deftypefn") |
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386 { |
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387 return ovl (octave_link::show_preferences ()); |
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388 } |
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389 |
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390 DEFUN (__octave_link_show_doc__, args, , |
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391 "-*- texinfo -*-\n\ |
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392 @deftypefn {} {} __octave_link_show_doc__ (@var{filename})\n\ |
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393 Undocumented internal function.\n\ |
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394 @end deftypefn") |
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395 { |
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396 std::string file; |
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397 |
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398 if (args.length () >= 1) |
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399 file = args(0).string_value(); |
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400 |
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401 return ovl (octave_link::show_doc (file)); |
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402 } |
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403 |