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annotate libgui/src/files-dock-widget.cc @ 16487:6a18d8b0f982

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gui: fix notification of files-dock-widget when settings may have changed * files-dock-widget.cc(constructor): connect signal settings_changed to the slot notice_settings
author Torsten <ttl@justmail.de>
date Wed, 10 Apr 2013 06:59:55 +0200
parents 094bd3627ead
children 605d7f0ee0d8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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3 Copyright (C) 2011-2012 Jacob Dawid
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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 the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 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 WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 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 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef 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 "resource-manager.h"
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28 #include "files-dock-widget.h"
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29
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30 #include <QApplication>
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31 #include <QFileInfo>
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32 #include <QCompleter>
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33 #include <QSettings>
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34 #include <QProcess>
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35 #include <QDebug>
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36 #include <QHeaderView>
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37
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38 files_dock_widget::files_dock_widget (QWidget *p)
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39 : octave_dock_widget (p)
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40 {
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41 setObjectName ("FilesDockWidget");
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42 setWindowIcon (QIcon(":/actions/icons/logo.png"));
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43 setWindowTitle (tr ("File Browser"));
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44 setStatusTip (tr ("Browse your files."));
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45
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46 QWidget *container = new QWidget (this);
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47
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48 setWidget (container);
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49
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50 connect (this, SIGNAL (open_file (const QString&)),
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51 parent (), SLOT (open_file (const QString&)));
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52
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53 connect (this, SIGNAL (displayed_directory_changed (const QString&)),
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54 parent (), SLOT (set_current_working_directory (const QString&)));
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55
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56 connect (parent (), SIGNAL (settings_changed (const QSettings *)),
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57 this, SLOT (notice_settings (const QSettings *)));
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58
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59
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60 // Create a toolbar
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61 _navigation_tool_bar = new QToolBar ("", container);
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62 _navigation_tool_bar->setAllowedAreas (Qt::TopToolBarArea);
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63 _navigation_tool_bar->setMovable (false);
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64 _navigation_tool_bar->setIconSize (QSize (20, 20));
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65
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66 _directory_icon = QIcon(":/actions/icons/up.png");
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67 _directory_up_action = new QAction (_directory_icon, "", _navigation_tool_bar);
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68 _directory_up_action->setStatusTip (tr ("Move up one directory."));
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69
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70 _current_directory = new QLineEdit (_navigation_tool_bar);
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71 _current_directory->setStatusTip (tr ("Enter the path or filename."));
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72
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73 _navigation_tool_bar->addAction (_directory_up_action);
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74 _navigation_tool_bar->addWidget (_current_directory);
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75 connect (_directory_up_action, SIGNAL (triggered ()), this,
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76 SLOT (change_directory_up ()));
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77
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78 // TODO: Add other buttons for creating directories
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79
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80 // Create the QFileSystemModel starting in the home directory
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81 QString homePath = QDir::homePath ();
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82
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83 _file_system_model = new QFileSystemModel (this);
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84 _file_system_model->setFilter (QDir::NoDotAndDotDot | QDir::AllEntries);
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85 QModelIndex rootPathIndex = _file_system_model->setRootPath (homePath);
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86
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87 // Attach the model to the QTreeView and set the root index
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88 _file_tree_view = new QTreeView (container);
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89 _file_tree_view->setModel (_file_system_model);
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90 _file_tree_view->setRootIndex (rootPathIndex);
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91 _file_tree_view->setSortingEnabled (true);
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92 _file_tree_view->setAlternatingRowColors (true);
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93 _file_tree_view->setAnimated (true);
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94 _file_tree_view->setStatusTip (tr ("Doubleclick a file to open it."));
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95
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96 // get sort column and order as well as cloumn state (order and width)
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97 QSettings *settings = resource_manager::get_settings ();
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98 // FIXME -- what should happen if settings is 0?
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99 _file_tree_view->sortByColumn (
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100 settings->value ("filesdockwidget/sort_files_by_column",0).toInt (),
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101 static_cast<Qt::SortOrder>(settings->value ("filesdockwidget/sort_files_by_order",Qt::AscendingOrder).toUInt ())
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102 );
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103 _file_tree_view->header ()->restoreState (settings->value ("filesdockwidget/column_state").toByteArray ());
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104
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105 _current_directory->setText(_file_system_model->fileInfo (rootPathIndex).
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106 absoluteFilePath ());
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107
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108 connect (_file_tree_view, SIGNAL (doubleClicked (const QModelIndex &)),
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109 this, SLOT (item_double_clicked (const QModelIndex &)));
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110
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111 // Layout the widgets vertically with the toolbar on top
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112 QVBoxLayout *vbox_layout = new QVBoxLayout ();
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113 vbox_layout->setSpacing (0);
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114 vbox_layout->addWidget (_navigation_tool_bar);
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115 vbox_layout->addWidget (_file_tree_view);
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116 vbox_layout->setMargin (1);
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117
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118 container->setLayout (vbox_layout);
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119
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120 // TODO: Add right-click contextual menus for copying, pasting, deleting files (and others)
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121
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122 connect (_current_directory, SIGNAL (returnPressed ()),
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123 this, SLOT (accept_directory_line_edit ()));
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124
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125 QCompleter *completer = new QCompleter (_file_system_model, this);
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126 _current_directory->setCompleter (completer);
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127
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128 setFocusProxy (_current_directory);
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129 }
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130
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131 files_dock_widget::~files_dock_widget ()
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132 {
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133 QSettings *settings = resource_manager::get_settings ();
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134 int sort_column = _file_tree_view->header ()->sortIndicatorSection ();
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135 Qt::SortOrder sort_order = _file_tree_view->header ()->sortIndicatorOrder ();
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136 settings->setValue ("filesdockwidget/sort_files_by_column", sort_column);
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137 settings->setValue ("filesdockwidget/sort_files_by_order", sort_order);
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138 settings->setValue ("filesdockwidget/column_state", _file_tree_view->header ()->saveState ());
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139 settings->sync ();
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140 }
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141
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142 void
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143 files_dock_widget::item_double_clicked (const QModelIndex& index)
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144 {
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145 // Retrieve the file info associated with the model index.
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146 QFileInfo fileInfo = _file_system_model->fileInfo (index);
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147
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148 set_current_directory (fileInfo.absoluteFilePath ());
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149 }
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150
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151 void
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152 files_dock_widget::set_current_directory (const QString& dir)
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153 {
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154 display_directory (dir);
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155
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156 emit displayed_directory_changed (dir);
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157 }
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158
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159 void
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160 files_dock_widget::accept_directory_line_edit (void)
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161 {
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162 display_directory (_current_directory->text ());
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163 }
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164
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165 void
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166 files_dock_widget::change_directory_up (void)
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167 {
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168 QDir dir = QDir (_file_system_model->filePath (_file_tree_view->rootIndex ()));
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169 dir.cdUp ();
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170 display_directory (dir.absolutePath ());
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171 }
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172
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173 void
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174 files_dock_widget::display_directory (const QString& dir)
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175 {
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176 QFileInfo fileInfo (dir);
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177 if (fileInfo.exists ())
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178 {
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179 if (fileInfo.isDir ())
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180 {
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181 _file_tree_view->setRootIndex (_file_system_model->
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182 index (fileInfo.absoluteFilePath ()));
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183 _file_system_model->setRootPath (fileInfo.absoluteFilePath ());
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184 _file_system_model->sort (0, Qt::AscendingOrder);
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185 _current_directory->setText (fileInfo.absoluteFilePath ());
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186 }
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187 else
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188 {
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189 if (QFile::exists (fileInfo.absoluteFilePath ()))
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190 emit open_file (fileInfo.absoluteFilePath ());
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191 }
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192 }
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193 }
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194
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195 void
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196 files_dock_widget::notice_settings (const QSettings *settings)
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197 {
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198 // Qsettings pointer is checked before emitting.
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199
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200 // file names are always shown, other columns can be hidden by settings
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201 _file_tree_view->setColumnHidden (0, false);
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202 _file_tree_view->setColumnHidden (1, !settings->value ("showFileSize",false).toBool ());
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203 _file_tree_view->setColumnHidden (2, !settings->value ("showFileType",false).toBool ());
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204 _file_tree_view->setColumnHidden (3, !settings->value ("showLastModified",false).toBool ());
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205 _file_tree_view->setAlternatingRowColors (settings->value ("useAlternatingRowColors",true).toBool ());
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206 if (settings->value ("showHiddenFiles",false).toBool ())
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207 {
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208 // TODO: React on option for hidden files.
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209 }
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210 }