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annotate libgui/src/qtinfo/webinfo.cc @ 16768:e2de3c8882be

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copyright notice fixes * libgui/src/color-picker.cc, libgui/src/color-picker.h, libgui/src/m-editor/octave-qscintilla.cc, libgui/src/m-editor/octave-qscintilla.h, libgui/src/qtinfo/parser.cc, libgui/src/qtinfo/parser.h, libgui/src/qtinfo/webinfo.cc, libgui/src/qtinfo/webinfo.h, libinterp/corefcn/ellipj.cc, libinterp/interp-core/jit-ir.cc, libinterp/interp-core/jit-ir.h, libinterp/interp-core/jit-typeinfo.cc, libinterp/interp-core/jit-typeinfo.h, libinterp/interp-core/jit-util.cc, libinterp/interp-core/jit-util.h, libinterp/interp-core/pt-jit.cc, libinterp/interp-core/pt-jit.h, libinterp/template-inst/Array-jit.cc, liboctave/numeric/bsxfun.h, liboctave/util/kpse.cc, scripts/image/imfinfo.m, scripts/image/imread.m, scripts/io/importdata.m, scripts/io/textscan.m, scripts/java/usejava.m, scripts/linear-algebra/logm.m, scripts/sparse/bicg.m, scripts/specfun/ellipke.m, scripts/specfun/expint.m, scripts/strings/strjoin.m: List email addresses in Author: lines. Update copyright notices to use web address for FSF.
author John W. Eaton <jwe@octave.org>
date Tue, 18 Jun 2013 06:39:12 -0400
parents faccc20d5f39
children 944ade6e7f66
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16768
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1 /*
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2
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3 Copyright (C) 2009 P. L. Lucas
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4 Copyright (C) 2012 Jacob Dawid
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 // Author: P. L. Lucas
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25 // Author: Jacob Dawid <jacob.dawid@gmail.com>
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26
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27 #ifdef HAVE_CONFIG_H
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28 #include <config.h>
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29 #endif
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30
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31 #include "webinfo.h"
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32 #include <QVBoxLayout>
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33 #include <QHBoxLayout>
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34
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35 #include "file-ops.h"
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36 #include "help.h"
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37 #include "defaults.h"
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38
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39
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40 webinfo::webinfo (QWidget *p)
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41 : QWidget (p)
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42 {
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43 _font_web = font ();
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44
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45 QVBoxLayout *vbox_layout = new QVBoxLayout ();
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46 vbox_layout->setMargin (0);
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47 setLayout (vbox_layout);
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48
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49 QHBoxLayout *hbox_layout = new QHBoxLayout ();
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50 hbox_layout->setMargin (2);
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51 vbox_layout->addLayout (hbox_layout);
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52
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53 _tab_bar = new QTabBar (this);
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54 _tab_bar->setSizePolicy (QSizePolicy::Preferred,QSizePolicy::Preferred);
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55 _tab_bar->setExpanding (false);
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56 _tab_bar->setTabsClosable (true);
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57 _tab_bar->setMovable (true);
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58 hbox_layout->addWidget (_tab_bar);
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59
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60 _zoom_in_button = new QToolButton (this);
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61 _zoom_in_button->setSizePolicy (QSizePolicy::Fixed,QSizePolicy::Preferred);
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62 _zoom_in_button->setIcon (QIcon (":/actions/icons/zoom-in.png"));
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63 hbox_layout->addWidget (_zoom_in_button);
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64
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65 _zoom_out_button = new QToolButton (this);
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66 _zoom_out_button->setSizePolicy (QSizePolicy::Fixed,QSizePolicy::Preferred);
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67 _zoom_out_button->setIcon (QIcon (":/actions/icons/zoom-out.png"));
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68 hbox_layout->addWidget (_zoom_out_button);
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69
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70 _stacked_widget = new QStackedWidget (this);
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71 vbox_layout->addWidget (_stacked_widget);
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72
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73 hbox_layout = new QHBoxLayout ();
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74 vbox_layout->addLayout (hbox_layout);
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75
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76 _search_line_edit = new QLineEdit(this);
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77 #ifdef HAVE_SETPLACEHOLDERTEXT
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78 _search_line_edit->setPlaceholderText (tr ("Type here and press \'Return\' to search"));
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79 #endif
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80 hbox_layout->addWidget (_search_line_edit);
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81
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82 _search_check_box = new QCheckBox (tr ("Global search"));
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83 hbox_layout->addWidget (_search_check_box);
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84
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85 connect (_tab_bar, SIGNAL (tabCloseRequested (int)), this, SLOT (close_tab (int)));
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86 connect (_tab_bar, SIGNAL (currentChanged (int)), this, SLOT (current_tab_changed (int)));
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87 connect (_zoom_in_button, SIGNAL (clicked ()), this, SLOT (zoom_in ()));
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88 connect (_zoom_out_button, SIGNAL (clicked ()), this, SLOT (zoom_out ()));
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89 connect (_search_line_edit, SIGNAL (returnPressed ()), this, SLOT (search ()));
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90
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91 resize (500, 300);
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92
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93 set_info_path (QString::fromStdString (Vinfo_file));
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94 }
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95
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96 void
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97 webinfo::set_info_path (const QString& info_path)
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98 {
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99 _parser.set_info_path (info_path);
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100 load_node ("Top");
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101 }
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102
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103 void
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104 webinfo::load_node (const QString& node_name)
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105 {
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106 //Check if node has been already opened.
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107 for (int i = 0;i < _tab_bar->count (); i++)
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108 {
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109 if (node_name == _tab_bar->tabText (i))
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110 {
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111 _tab_bar->setCurrentIndex (i);
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112 return;
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113 }
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114 }
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115
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116 QString text = _parser.search_node (node_name);
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117 int i = _parser.is_ref (node_name);
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118 _text_browser = addNewTab (node_name);
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119 _text_browser->setHtml (_parser.node_text_to_html (text, i - 1, "anchor"));
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120
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121 if (i != -1)
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122 {
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123 _text_browser->scrollToAnchor ("anchor");
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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 webinfo::link_clicked (const QUrl & link)
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129 {
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130 QString node = link.toString ();
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131 load_node (node);
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132 }
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133
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134 void
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135 webinfo::current_tab_changed (int index)
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136 {
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137 QVariant tab_data = _tab_bar->tabData (index);
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138 _text_browser = static_cast<QTextBrowser*> (tab_data.value<void*> ());
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139
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140 _stacked_widget->setCurrentIndex (_stacked_widget->indexOf (_text_browser));
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141
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142 if (_text_browser->font () != _font_web)
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143 {
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144 _text_browser->setFont (_font_web);
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145 }
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146 }
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147
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148 QTextBrowser *
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149 webinfo::addNewTab (const QString& name)
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150 {
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151 _text_browser = new QTextBrowser (this);
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152 _text_browser->setOpenLinks (false);
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153 _text_browser->show ();
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154
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155 connect (_text_browser, SIGNAL (anchorClicked (const QUrl &)), this, SLOT (link_clicked (const QUrl &)) );
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156 disconnect(_tab_bar, SIGNAL (currentChanged(int)), this, SLOT (current_tab_changed (int)));
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157
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158 int ns = _stacked_widget->addWidget (_text_browser);
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159 _stacked_widget->setCurrentIndex (ns);
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160
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161 int nt = _tab_bar->addTab (name);
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162 _tab_bar->setCurrentIndex (nt);
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163 QVariant tab_data;
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164 tab_data.setValue (static_cast<void*> (_text_browser));
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165 _tab_bar->setTabData (nt, tab_data);
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166
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167 connect (_tab_bar, SIGNAL (currentChanged (int)), this, SLOT (current_tab_changed (int)));
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168
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169 if (_text_browser->font () != _font_web)
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170 {
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171 _text_browser->setFont (_font_web);
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172 }
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173 return _text_browser;
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174 }
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175
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176 void
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177 webinfo::close_tab (int index)
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178 {
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179 if (_tab_bar->count () > 1)
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180 {
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181 QVariant tab_data = _tab_bar->tabData (index);
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182 QWidget *w = static_cast<QWidget*> (tab_data.value<void*> ());
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183 _stacked_widget->removeWidget (w);
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184 delete w;
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185
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186 _tab_bar->removeTab (index);
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187 }
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188 }
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189
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190 void
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191 webinfo::search ()
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192 {
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193 if (_search_check_box->isChecked ())
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194 {
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195 // Global search
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196 QString results = _parser.global_search (_search_line_edit->text (), 5);
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197 _text_browser=addNewTab ("Results for: " + _search_line_edit->text ());
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198 _text_browser->setHtml (results);
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199 }
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200 else
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201 {
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202 // Local search
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203 _text_browser->find (_search_line_edit->text ());
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204 }
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205 }
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206
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207 void
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208 webinfo::zoom_in ()
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209 {
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210 _font_web.setPointSize (_font_web.pointSize() + 1);
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211 _text_browser->setFont (_font_web);
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212 }
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213
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214 void
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215 webinfo::zoom_out ()
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216 {
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217 _font_web.setPointSize (_font_web.pointSize() - 1);
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218 _text_browser->setFont (_font_web);
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219 }
48ae6a7c69c1 Integrated texinfo browser from QtOctave.
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parents:
diff changeset
220