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annotate libgui/src/octave-adapter/octave-link.cc @ 15196:017f0b2e6933

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rename gui directory to libgu * libgui: Rename from gui. * .hgsub (libgui/qterminal): Rename from gui/qterminal. * Makefile.am (GUIDIR): Set to libgui instead of gui if AMCOND_BUILD_GUI is true. * configure.ac (AC_CONFIG_FILES): Update list for directory renaming. * Makefile.am (.NOTPARALLEL): Delete. List octave.html/index.html as the primary HTML target, not octave.html. (octave.html): New target for making the octave.html directory. (octave.pdf): Depend on octave.dvi. * images.awk: In generated rules for png files, depend on octave.html, not octave.html/index.html. * src/Makefile.am (OCTAVE_GUI_CPPFLAGS, OCTAVE_GUI_LIBS): Update for directory renaming. (CLEANFILES): Fix typo. * fntests.m (src_tree): Use libinterp, not src.
author John W. Eaton <jwe@octave.org>
date Sat, 18 Aug 2012 18:10:09 -0400
parents gui/src/octave-adapter/octave-link.cc@9e62d5a3a45e
children 359098ad343e
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1 /* OctaveGUI - A graphical user interface for Octave
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2 * Copyright (C) 2011 John P. Swensen, Jacob Dawid (jacob.dawid@googlemail.com)
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3 *
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4 * This program is free software: you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as
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6 * published by the Free Software Foundation, either version 3 of the
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7 * License, or (at your option) any later version.
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8 *
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9 * This program is distributed in the hope that it will be useful,
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 * GNU General Public License for more details.
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13 *
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14 * You should have received a copy of the GNU General Public License
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15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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16 */
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17
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18 #ifdef HAVE_CONFIG_H
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19 #include <config.h>
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20 #endif
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21
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22 #include "cmd-edit.h"
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23 #include "oct-env.h"
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24 #include "oct-mutex.h"
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25 #include "symtab.h"
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26 #include "toplev.h"
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27
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28 #include "octave-link.h"
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29
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30 int octave_readline_hook ()
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31 {
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32 octave_link::instance ()->entered_readline_hook ();
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33 octave_link::instance ()->generate_events ();
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34 octave_link::instance ()->process_events ();
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35 octave_link::instance ()->finished_readline_hook ();
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36 return 0;
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37 }
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38
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39 void octave_exit_hook (int status)
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40 {
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41 (void) status;
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42 octave_link::instance ()->about_to_exit ();
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43 }
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44
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45 octave_link octave_link::_singleton;
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46
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47 octave_link::octave_link ()
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48 {
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49 _event_queue_mutex = new octave_mutex ();
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50 _last_working_directory = "";
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51 _debugging_mode_active = false;
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52 }
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53
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54 octave_link::~octave_link ()
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55 {
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56 }
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57
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58 void
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59 octave_link::launch_octave ()
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60 {
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61 // Create both threads.
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62 _octave_main_thread = new octave_main_thread ();
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63 command_editor::add_event_hook (octave_readline_hook);
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64 octave_exit = octave_exit_hook;
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65
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66 // Start the first one.
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67 _octave_main_thread->start ();
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68 }
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69
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70 void
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71 octave_link::register_event_listener (octave_event_listener *oel)
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72 { _octave_event_listener = oel; }
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73
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74 void
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75 octave_link::generate_events ()
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76 {
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77 std::string current_working_directory = octave_env::get_current_directory ();
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78 if (current_working_directory != _last_working_directory)
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79 {
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80 _last_working_directory = current_working_directory;
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81 if (_octave_event_listener)
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82 _octave_event_listener
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83 ->current_directory_has_changed (_last_working_directory);
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84 }
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85
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86 if (_debugging_mode_active != Vdebugging)
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87 {
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88 _debugging_mode_active = Vdebugging;
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89 if (_octave_event_listener)
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90 {
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91 if (_debugging_mode_active)
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92 _octave_event_listener->entered_debug_mode ();
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93 else
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94 _octave_event_listener->quit_debug_mode ();
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95 }
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96 }
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97 }
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98
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99 void
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100 octave_link::process_events ()
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101 {
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102 _event_queue_mutex->lock ();
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103
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104 while (_event_queue.size () > 0)
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105 {
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106 octave_event * e = _event_queue.front ();
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107 _event_queue.pop ();
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108 if (e->perform ())
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109 e->accept ();
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110 else
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111 e->reject ();
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112 }
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113 _event_queue_mutex->unlock ();
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114 }
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115
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116 void
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117 octave_link::post_event (octave_event *e)
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118 {
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119 if (e)
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120 {
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121 _event_queue_mutex->lock ();
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122 _event_queue.push (e);
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123 _event_queue_mutex->unlock ();
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124 }
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125 }
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126
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127 void
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128 octave_link::event_accepted (octave_event *e)
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129 { delete e; }
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130
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131 void
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132 octave_link::event_reject (octave_event *e)
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133 { delete e; }
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134
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135 void
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136 octave_link::about_to_exit ()
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137 {
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138 _event_queue_mutex->lock ();
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139 while (!_event_queue.empty ())
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140 _event_queue.pop ();
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141
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142 _event_queue_mutex->unlock ();
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143
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144 if (_octave_event_listener)
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145 _octave_event_listener->about_to_exit ();
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146 }
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147
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148 void
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149 octave_link::entered_readline_hook ()
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150 { }
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151
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152 void
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153 octave_link::finished_readline_hook ()
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154 {
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155 }
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156
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157 std::string
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158 octave_link::get_last_working_directory ()
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159 {
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160 return _last_working_directory;
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161 }