Mercurial > octave
annotate libgui/src/documentation.cc @ 25241:e74d85f7ac47 stable
Change Documentation shortcut context to not interfere with Editor (bug #53640).
* documentation.cc (documentation::documentation): For all shortcut keys, make
the octave_dock_widget container the parent and change the context from
Qt::WindowShortcut to Qt::WidgetWithChildrenShortcut.
author | Daniel J Sebald <daniel.sebald@ieee.org> |
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date | Fri, 13 Apr 2018 11:50:56 -0500 |
parents | 17387d4edd1d |
children | bf2044618c7b |
rev | line source |
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1 /* |
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2 |
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3 Copyright (C) 2018 Torsten <mttl@maibox.org> |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software: you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by |
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9 the Free Software Foundation, either version 3 of the License, or |
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10 (at your option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but |
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13 WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 GNU General Public License for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, see |
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19 <https://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #if defined (HAVE_CONFIG_H) |
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24 # include "config.h" |
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25 #endif |
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26 |
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27 #include "defaults.h" |
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28 #include "file-ops.h" |
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29 #include "oct-env.h" |
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30 |
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31 #include <QApplication> |
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32 #include <QCompleter> |
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33 #include <QDir> |
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34 #include <QFile> |
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35 #include <QFileInfo> |
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36 #include <QHelpContentWidget> |
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37 #include <QHelpIndexWidget> |
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38 #include <QHelpSearchEngine> |
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39 #include <QHelpSearchQueryWidget> |
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40 #include <QHelpSearchResultWidget> |
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41 #include <QLabel> |
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42 #include <QLineEdit> |
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43 #include <QMessageBox> |
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44 #include <QShortcut> |
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45 #include <QTabWidget> |
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46 #include <QToolButton> |
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47 #include <QVBoxLayout> |
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48 |
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49 #include "documentation.h" |
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50 #include "resource-manager.h" |
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51 |
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52 namespace octave |
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53 { |
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54 // The documentation splitter, which is the main widget |
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55 // of the doc dock widget |
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56 documentation::documentation (QWidget *p) |
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57 : QSplitter (Qt::Horizontal, p) |
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58 { |
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59 // Get original collection |
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60 QString collection = getenv ("OCTAVE_QTHELP_COLLECTION"); |
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61 if (collection.isEmpty ()) |
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62 collection = QString::fromStdString (octave::config::oct_doc_dir () |
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63 + octave::sys::file_ops::dir_sep_str () |
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64 + "octave_interpreter.qhc"); |
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65 |
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66 // Setup the help engine with the original collection, use a writable copy |
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67 // of the original collection and load the help data |
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68 m_help_engine = new QHelpEngine (collection, this); |
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69 |
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70 QString tmpdir = QDir::tempPath(); |
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71 m_collection |
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72 = QString::fromStdString (octave::sys::tempnam (tmpdir.toStdString (), |
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73 "oct-qhelp-")); |
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74 |
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75 if (m_help_engine->copyCollectionFile (m_collection)) |
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76 m_help_engine->setCollectionFile (m_collection); |
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77 else |
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78 QMessageBox::warning (this, tr ("Octave Documentation"), |
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79 tr ("Could not copy help collection to temporary\n" |
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80 "file. Search capabilities may be affected.\n" |
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81 "%1").arg (m_help_engine->error ())); |
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82 |
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83 connect(m_help_engine, SIGNAL(setupFinished()), |
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84 m_help_engine->searchEngine(), SLOT(indexDocumentation())); |
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85 |
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86 if (! m_help_engine->setupData()) |
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87 { |
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88 QMessageBox::warning (this, tr ("Octave Documentation"), |
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89 tr ("Could not setup the data required for the\n" |
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90 "documentation viewer. Only help texts in\n" |
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91 "the Console Widget will be available.")); |
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92 if (m_help_engine) |
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93 delete m_help_engine; |
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94 m_help_engine = 0; |
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95 return; |
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96 } |
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97 |
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98 // The browser |
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99 QWidget *browser_find = new QWidget (this); |
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100 m_doc_browser = new documentation_browser (m_help_engine, browser_find); |
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101 connect (m_doc_browser, SIGNAL (cursorPositionChanged (void)), |
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102 this, SLOT(handle_cursor_position_change (void))); |
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103 |
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104 QWidget *find_footer = new QWidget (browser_find); |
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105 QLabel *find_label = new QLabel (tr ("Find:"), find_footer); |
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106 m_find_line_edit = new QLineEdit (find_footer); |
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107 connect (m_find_line_edit, SIGNAL (returnPressed (void)), |
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108 this, SLOT(find_forward (void))); |
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109 connect (m_find_line_edit, SIGNAL (textEdited (const QString&)), |
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110 this, SLOT(find_forward_from_anchor (const QString&))); |
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111 QToolButton *forward_button = new QToolButton (find_footer); |
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112 forward_button->setText (tr ("Search forward")); |
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113 forward_button->setToolTip (tr ("Search forward")); |
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114 forward_button->setIcon (resource_manager::icon ("go-down")); |
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115 connect (forward_button, SIGNAL (pressed (void)), |
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116 this, SLOT(find_forward (void))); |
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117 QToolButton *backward_button = new QToolButton (find_footer); |
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118 backward_button->setText (tr ("Search backward")); |
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119 backward_button->setToolTip (tr ("Search backward")); |
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120 backward_button->setIcon (resource_manager::icon ("go-up")); |
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121 connect (backward_button, SIGNAL (pressed (void)), |
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122 this, SLOT(find_backward (void))); |
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123 QHBoxLayout *h_box_find_footer = new QHBoxLayout (find_footer); |
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124 h_box_find_footer->addWidget (find_label); |
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125 h_box_find_footer->addWidget (m_find_line_edit); |
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126 h_box_find_footer->addWidget (forward_button); |
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127 h_box_find_footer->addWidget (backward_button); |
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128 h_box_find_footer->setMargin (2); |
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129 find_footer->setLayout (h_box_find_footer); |
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130 |
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131 QVBoxLayout *v_box_browser_find = new QVBoxLayout (browser_find); |
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132 v_box_browser_find->addWidget (m_doc_browser); |
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133 v_box_browser_find->addWidget (find_footer); |
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134 browser_find->setLayout (v_box_browser_find); |
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135 |
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136 QShortcut *show_shortcut = new QShortcut (QKeySequence (QKeySequence::Find), p); |
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137 show_shortcut->setContext (Qt::WidgetWithChildrenShortcut); |
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138 connect (show_shortcut, SIGNAL (activated (void)), |
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139 m_find_line_edit->parentWidget (), SLOT (show (void))); |
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140 connect (show_shortcut, SIGNAL (activated (void)), |
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141 m_find_line_edit, SLOT (selectAll (void))); |
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142 connect (show_shortcut, SIGNAL (activated (void)), |
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143 m_find_line_edit, SLOT (setFocus (void))); |
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144 QShortcut *hide_shortcut = new QShortcut (QKeySequence (tr ("Escape")), p); |
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145 hide_shortcut->setContext (Qt::WidgetWithChildrenShortcut); |
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146 connect (hide_shortcut, SIGNAL (activated (void)), |
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147 m_find_line_edit->parentWidget (), SLOT(hide (void))); |
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148 connect (hide_shortcut, SIGNAL (activated (void)), |
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149 m_doc_browser, SLOT (setFocus (void))); |
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150 QShortcut *findnext_shortcut = new QShortcut (QKeySequence (QKeySequence::FindNext), p); |
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151 findnext_shortcut->setContext (Qt::WidgetWithChildrenShortcut); |
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152 connect (findnext_shortcut, SIGNAL (activated (void)), |
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153 this, SLOT(find_forward (void))); |
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154 QShortcut *findprev_shortcut = new QShortcut (QKeySequence (QKeySequence::FindPrevious), p); |
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155 findprev_shortcut->setContext (Qt::WidgetWithChildrenShortcut); |
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156 connect (findprev_shortcut, SIGNAL (activated (void)), |
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157 this, SLOT(find_backward (void))); |
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158 find_footer->hide (); |
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159 m_search_anchor_position = 0; |
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160 |
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161 // Layout contents, index and search |
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162 QTabWidget *navi = new QTabWidget (this); |
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163 navi->setTabsClosable (false); |
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164 navi->setMovable (true); |
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165 |
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166 // Contents |
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167 QHelpContentWidget *content = m_help_engine->contentWidget (); |
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168 navi->addTab (content, tr ("Contents")); |
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169 |
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170 connect(m_help_engine->contentWidget (), |
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171 SIGNAL (linkActivated (const QUrl&)), |
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172 m_doc_browser, SLOT(handle_index_clicked (const QUrl&))); |
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173 |
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174 // Index |
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175 QHelpIndexWidget *index = m_help_engine->indexWidget (); |
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176 |
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177 m_filter = new QComboBox (this); |
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178 m_filter->setToolTip (tr ("Enter text to search the indices")); |
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179 m_filter->setEditable (true); |
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180 m_filter->setInsertPolicy (QComboBox::NoInsert); |
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181 m_filter->setMaxCount (10); |
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182 m_filter->setMaxVisibleItems (10); |
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183 m_filter->setSizeAdjustPolicy ( |
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184 QComboBox::AdjustToMinimumContentsLengthWithIcon); |
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185 QSizePolicy sizePol (QSizePolicy::Expanding, QSizePolicy::Preferred); |
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186 m_filter->setSizePolicy (sizePol); |
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187 m_filter->completer ()->setCaseSensitivity (Qt::CaseSensitive); |
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188 QLabel *filter_label = new QLabel (tr ("Search")); |
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189 |
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190 QWidget *filter_all = new QWidget (navi); |
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191 QHBoxLayout *h_box_index = new QHBoxLayout (filter_all); |
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192 h_box_index->addWidget (filter_label); |
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193 h_box_index->addWidget (m_filter); |
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194 h_box_index->setMargin (2); |
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195 filter_all->setLayout (h_box_index); |
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196 |
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197 QWidget *index_all = new QWidget (navi); |
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198 QVBoxLayout *v_box_index = new QVBoxLayout (index_all); |
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199 v_box_index->addWidget (filter_all); |
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200 v_box_index->addWidget (index); |
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201 index_all->setLayout (v_box_index); |
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202 |
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203 navi->addTab (index_all, tr ("Index")); |
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204 |
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205 connect(m_help_engine->indexWidget (), |
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206 SIGNAL (linkActivated (const QUrl&, const QString&)), |
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207 m_doc_browser, SLOT(handle_index_clicked (const QUrl&, |
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208 const QString&))); |
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209 |
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210 connect (m_filter, SIGNAL (editTextChanged (const QString&)), |
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211 this, SLOT(filter_update (const QString&))); |
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212 |
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213 connect (m_filter->lineEdit (), SIGNAL (editingFinished (void)), |
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214 this, SLOT(filter_update_history (void))); |
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215 |
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216 // Search |
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217 QHelpSearchEngine *search_engine = m_help_engine->searchEngine (); |
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218 QHelpSearchQueryWidget *search = search_engine->queryWidget (); |
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219 QHelpSearchResultWidget *result = search_engine->resultWidget (); |
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220 QWidget *search_all = new QWidget (navi); |
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221 QVBoxLayout *v_box_search = new QVBoxLayout (search_all); |
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222 v_box_search->addWidget (search); |
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223 v_box_search->addWidget (result); |
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224 search_all->setLayout (v_box_search); |
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225 navi->addTab (search_all, tr ("Search")); |
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226 |
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227 connect (search, SIGNAL (search (void)), |
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228 this, SLOT(global_search (void))); |
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229 |
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230 connect (search_engine, SIGNAL (searchingStarted (void)), |
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231 this, SLOT(global_search_started (void))); |
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232 connect (search_engine, SIGNAL (searchingFinished (int)), |
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233 this, SLOT(global_search_finished (int))); |
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234 |
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235 connect (search_engine->resultWidget (), |
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236 SIGNAL (requestShowLink (const QUrl&)), |
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237 m_doc_browser, |
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238 SLOT(handle_index_clicked (const QUrl&))); |
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239 |
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240 // Fill the splitter |
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241 insertWidget (0, navi); |
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242 insertWidget (1, browser_find); |
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243 setStretchFactor (1, 1); |
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244 |
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245 // Initial view: Contents |
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246 m_doc_browser->setSource (QUrl ( |
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247 "qthelp://org.octave.interpreter-1.0/doc/octave.html/index.html")); |
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248 } |
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249 |
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250 documentation::~documentation (void) |
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251 { |
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252 if (m_help_engine) |
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253 delete m_help_engine; |
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254 |
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255 // Cleanup temporary file and directory |
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256 QFile file (m_collection); |
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257 if (file.exists ()) |
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258 { |
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259 QFileInfo finfo (file); |
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260 QString bname = finfo.fileName (); |
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261 QDir dir = finfo.absoluteDir (); |
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262 dir.setFilter (QDir::Dirs | QDir::NoDotAndDotDot | QDir::Hidden); |
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263 QStringList namefilter; |
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264 namefilter.append ("*" + bname + "*"); |
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265 foreach (QFileInfo fi, dir.entryInfoList (namefilter)) |
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266 { |
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267 std::string file_name = fi.absoluteFilePath ().toStdString (); |
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268 sys::recursive_rmdir (file_name); |
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269 } |
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270 |
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271 file.remove(); |
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272 } |
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273 } |
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274 |
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275 void documentation::global_search (void) |
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276 { |
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277 #if defined (HAVE_QHELPSEARCHQUERYWIDGET_SEARCHINPUT) |
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278 QString queries |
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279 = m_help_engine->searchEngine ()->queryWidget ()->searchInput (); |
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280 #else |
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281 QList<QHelpSearchQuery> queries |
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282 = m_help_engine->searchEngine ()->queryWidget ()->query (); |
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283 #endif |
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284 |
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285 m_help_engine->searchEngine ()->search (queries); |
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286 } |
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287 |
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288 void documentation::global_search_started (void) |
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289 { |
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290 qApp->setOverrideCursor(QCursor(Qt::WaitCursor)); |
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291 } |
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292 |
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293 void documentation::global_search_finished (int) |
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294 { |
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295 qApp->restoreOverrideCursor(); |
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296 } |
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297 |
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298 void documentation::notice_settings (const QSettings *) { } |
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299 |
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300 void documentation::copyClipboard (void) { } |
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301 |
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302 void documentation::pasteClipboard (void) { } |
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303 |
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304 void documentation::selectAll (void) { } |
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305 |
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306 void documentation::load_ref (const QString& ref_name) |
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307 { |
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308 if (m_help_engine) |
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309 { |
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310 QMap<QString, QUrl> found_links |
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311 = m_help_engine->linksForIdentifier (ref_name); |
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312 if (found_links.count() > 0) |
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313 m_doc_browser->setSource (found_links.constBegin().value()); |
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314 } |
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315 } |
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316 |
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317 void documentation::filter_update (const QString& expression) |
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318 { |
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319 if (! m_help_engine) |
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320 return; |
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321 |
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322 QString wildcard; |
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323 if (expression.contains (QLatin1Char('*'))) |
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324 wildcard = expression; |
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325 |
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326 m_help_engine->indexWidget ()->filterIndices(expression, wildcard); |
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327 } |
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328 |
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329 void documentation::filter_update_history (void) |
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330 { |
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331 QString text = m_filter->currentText (); // get current text |
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332 int index = m_filter->findText (text); // and its actual index |
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333 |
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334 if (index > -1) |
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335 m_filter->removeItem (index); // remove if already existing |
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336 |
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337 m_filter->insertItem (0, text); // (re)insert at beginning |
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338 m_filter->setCurrentIndex (0); |
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339 } |
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340 |
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341 void documentation::find_forward (void) |
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342 { |
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343 if (! m_help_engine) |
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344 return; |
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345 |
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346 m_doc_browser->find (m_find_line_edit->text ()); |
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347 record_anchor_position (); |
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348 } |
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349 |
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350 void documentation::find_backward (void) |
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351 { |
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352 if (! m_help_engine) |
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353 return; |
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354 |
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355 m_doc_browser->find (m_find_line_edit->text (), QTextDocument::FindBackward); |
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356 record_anchor_position (); |
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357 } |
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358 |
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359 void documentation::find_forward_from_anchor (const QString& text) |
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360 { |
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361 if (! m_help_engine) |
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362 return; |
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363 |
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364 QTextCursor textcur = m_doc_browser->textCursor (); |
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365 textcur.setPosition (m_search_anchor_position); |
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366 m_doc_browser->setTextCursor (textcur); |
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367 m_doc_browser->find (text); |
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368 } |
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369 |
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370 void documentation::record_anchor_position (void) |
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371 { |
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372 if (! m_help_engine) |
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373 return; |
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374 |
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375 m_search_anchor_position = m_doc_browser->textCursor ().position (); |
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376 } |
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377 |
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378 void documentation::handle_cursor_position_change (void) |
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379 { |
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380 if (! m_help_engine) |
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381 return; |
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382 |
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383 if (m_doc_browser->hasFocus ()) |
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384 record_anchor_position (); |
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385 } |
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386 |
25060
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387 void documentation::registerDoc (const QString& qch) |
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388 { |
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389 if (m_help_engine) |
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390 { |
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391 QString ns = m_help_engine->namespaceName (qch); |
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392 bool do_setup = true; |
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393 if (m_help_engine->registeredDocumentations ().contains (ns)) |
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394 { |
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395 if (m_help_engine->documentationFileName (ns) == qch) |
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396 do_setup = false; |
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397 else |
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398 { |
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399 m_help_engine->unregisterDocumentation (ns); |
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400 m_help_engine->registerDocumentation (qch); |
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401 } |
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402 } |
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403 else if (! m_help_engine->registerDocumentation (qch)) |
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404 { |
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405 QMessageBox::warning (this, tr ("Octave Documentation"), |
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406 tr ("Unable to register help file %1."). |
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407 arg (qch)); |
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408 do_setup = false; |
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409 return; |
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410 } |
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411 |
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412 if (do_setup) |
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413 m_help_engine->setupData(); |
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414 } |
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415 } |
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416 |
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417 void documentation::unregisterDoc (const QString& qch) |
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418 { |
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419 QString ns = m_help_engine->namespaceName (qch); |
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420 if (m_help_engine |
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421 && m_help_engine->registeredDocumentations ().contains (ns) |
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422 && m_help_engine->documentationFileName (ns) == qch) |
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423 { |
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424 m_help_engine->unregisterDocumentation (ns); |
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425 m_help_engine->setupData (); |
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426 } |
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427 } |
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428 |
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429 |
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430 // The documentation browser |
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431 documentation_browser::documentation_browser (QHelpEngine *he, QWidget *p) |
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432 : QTextBrowser (p), m_help_engine (he) |
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433 { } |
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434 |
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435 documentation_browser::~documentation_browser (void) |
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436 { } |
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437 |
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438 void documentation_browser::handle_index_clicked (const QUrl& url, |
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documentation widget based on qt help engine (bug #53006)
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439 const QString&) |
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documentation widget based on qt help engine (bug #53006)
Torsten <mttl@mailbox.org>
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440 { |
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documentation widget based on qt help engine (bug #53006)
Torsten <mttl@mailbox.org>
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441 setSource (url); |
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documentation widget based on qt help engine (bug #53006)
Torsten <mttl@mailbox.org>
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442 } |
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documentation widget based on qt help engine (bug #53006)
Torsten <mttl@mailbox.org>
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443 |
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documentation widget based on qt help engine (bug #53006)
Torsten <mttl@mailbox.org>
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444 void documentation_browser::notice_settings (const QSettings *) |
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documentation widget based on qt help engine (bug #53006)
Torsten <mttl@mailbox.org>
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445 { } |
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documentation widget based on qt help engine (bug #53006)
Torsten <mttl@mailbox.org>
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446 |
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maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
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447 QVariant documentation_browser::loadResource (int type, const QUrl &url) |
078b795c5219
maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
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448 { |
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maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
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449 if (url.scheme () == "qthelp") |
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maint: style check C++ ahead of 4.4 release.
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450 return QVariant (m_help_engine->fileData(url)); |
078b795c5219
maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
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451 else |
078b795c5219
maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
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452 return QTextBrowser::loadResource(type, url); |
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Rik <rik@octave.org>
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453 } |
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documentation widget based on qt help engine (bug #53006)
Torsten <mttl@mailbox.org>
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454 |
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documentation widget based on qt help engine (bug #53006)
Torsten <mttl@mailbox.org>
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455 } |