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annotate libgui/src/m-editor/find-dialog.cc @ 17790:86c6ae5f969e

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Use GNU style coding conventions for code in libgui/ * libgui/qterminal/libqterminal/QTerminal.h, libgui/src/color-picker.cc, libgui/src/color-picker.h, libgui/src/dialog.cc, libgui/src/dialog.h, libgui/src/documentation-dock-widget.cc, libgui/src/files-dock-widget.cc, libgui/src/files-dock-widget.h, libgui/src/find-files-dialog.cc, libgui/src/find-files-dialog.h, libgui/src/find-files-model.cc, libgui/src/find-files-model.h, libgui/src/history-dock-widget.cc, libgui/src/history-dock-widget.h, libgui/src/m-editor/file-editor-interface.h, libgui/src/m-editor/file-editor-tab.cc, libgui/src/m-editor/file-editor-tab.h, libgui/src/m-editor/file-editor.cc, libgui/src/m-editor/find-dialog.cc, libgui/src/m-editor/find-dialog.h, libgui/src/m-editor/octave-qscintilla.cc, libgui/src/main-window.cc, libgui/src/main-window.h, libgui/src/news-dock-widget.h, libgui/src/octave-dock-widget.cc, libgui/src/octave-dock-widget.h, libgui/src/octave-gui.cc, libgui/src/octave-qt-link.cc, libgui/src/octave-qt-link.h, libgui/src/qtinfo/parser.cc, libgui/src/qtinfo/parser.h, libgui/src/qtinfo/webinfo.cc, libgui/src/qtinfo/webinfo.h, libgui/src/resource-manager.cc, libgui/src/settings-dialog.cc, libgui/src/settings-dialog.h, libgui/src/terminal-dock-widget.cc, libgui/src/welcome-wizard.cc, libgui/src/workspace-model.cc, libgui/src/workspace-model.h, libgui/src/workspace-view.cc, libgui/src/workspace-view.h: Use GNU style coding conventions for code in libgui/
author Rik <rik@octave.org>
date Tue, 29 Oct 2013 09:54:40 -0700
parents c2e43dd6eb70
children 36063e43c511 5f7f58866922 cae24b7cfaf4
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1 /****************************************************************************
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2
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3 Find dialog derived from an example from Qt Toolkit (license below (**))
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4
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5 Copyright (C) 2012-2013 Torsten <ttl@justmail.de>
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6 Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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7 All rights reserved.
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8 Contact: Nokia Corporation (qt-info@nokia.com)
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9
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10 This file is part of Octave.
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11
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12 Octave is free software; you can redistribute it and/or modify it
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13 under the terms of the GNU General Public License as published by the
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14 Free Software Foundation; either version 3 of the License, or (at your
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15 option) any later version.
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16
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17 Octave is distributed in the hope that it will be useful, but WITHOUT
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18 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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19 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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20 for more details.
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21
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22 You should have received a copy of the GNU General Public License
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23 along with Octave; see the file COPYING. If not, see
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24 <http://www.gnu.org/licenses/>.
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25
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26 ** This file is part of the examples of the Qt Toolkit.
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27 **
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28 ** $QT_BEGIN_LICENSE:LGPL$
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29 ** Commercial Usage
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30 ** Licensees holding valid Qt Commercial licenses may use this file in
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31 ** accordance with the Qt Commercial License Agreement provided with the
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32 ** Software or, alternatively, in accordance with the terms contained in
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33 ** a written agreement between you and Nokia.
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34 **
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35 ** GNU Lesser General Public License Usage
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36 ** Alternatively, this file may be used under the terms of the GNU Lesser
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37 ** General Public License version 2.1 as published by the Free Software
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38 ** Foundation and appearing in the file LICENSE.LGPL included in the
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39 ** packaging of this file. Please review the following information to
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40 ** ensure the GNU Lesser General Public License version 2.1 requirements
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41 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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42 **
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43 ** In addition, as a special exception, Nokia gives you certain additional
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44 ** rights. These rights are described in the Nokia Qt LGPL Exception
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45 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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46 **
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47 ** GNU General Public License Usage
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48 ** Alternatively, this file may be used under the terms of the GNU
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49 ** General Public License version 3.0 as published by the Free Software
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50 ** Foundation and appearing in the file LICENSE.GPL included in the
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51 ** packaging of this file. Please review the following information to
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52 ** ensure the GNU General Public License version 3.0 requirements will be
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53 ** met: http://www.gnu.org/copyleft/gpl.html.
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54 **
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55 ** If you have questions regarding the use of this file, please contact
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56 ** Nokia at qt-info@nokia.com.
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57 ** $QT_END_LICENSE$
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58 **
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59 ****************************************************************************/
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60
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61 #ifdef HAVE_CONFIG_H
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62 #include <config.h>
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63 #endif
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64
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65 #ifdef HAVE_QSCINTILLA
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66
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67 #include <QtGui>
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68 #include <QIcon>
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69 #include "find-dialog.h"
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70
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71 find_dialog::find_dialog (QsciScintilla* edit_area, QWidget *p)
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72 : QDialog (p)
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73 {
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74 setWindowTitle ("Find and Replace");
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75 setWindowIcon (QIcon(":/actions/icons/search.png"));
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76
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77 _search_label = new QLabel (tr ("Find &what:"));
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78 _search_line_edit = new QLineEdit;
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79 _search_label->setBuddy (_search_line_edit);
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80 _replace_label = new QLabel (tr ("Re&place with:"));
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81 _replace_line_edit = new QLineEdit;
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82 _replace_label->setBuddy (_replace_line_edit);
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83
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84 _case_check_box = new QCheckBox (tr ("Match &case"));
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85 _from_start_check_box = new QCheckBox (tr ("Search from &start"));
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86 _wrap_check_box = new QCheckBox (tr ("&Wrap while searching"));
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87 _wrap_check_box->setChecked(true);
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88 _find_next_button = new QPushButton (tr ("&Find Next"));
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89 _find_prev_button = new QPushButton (tr ("Find &Previous"));
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90 _replace_button = new QPushButton (tr ("&Replace"));
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91 _replace_all_button = new QPushButton (tr ("Replace &All"));
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92
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93 _more_button = new QPushButton (tr ("&More"));
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94 _more_button->setCheckable (true);
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95 _more_button->setAutoDefault (false);
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96
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97 _button_box = new QDialogButtonBox (Qt::Vertical);
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98 _button_box->addButton (_find_next_button, QDialogButtonBox::ActionRole);
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99 _button_box->addButton (_find_prev_button, QDialogButtonBox::ActionRole);
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100 _button_box->addButton (_replace_button, QDialogButtonBox::ActionRole);
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101 _button_box->addButton (_replace_all_button, QDialogButtonBox::ActionRole);
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102 _button_box->addButton (_more_button, QDialogButtonBox::ActionRole);
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103 _button_box->addButton (QDialogButtonBox::Close);
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104
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105 _extension = new QWidget (this);
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106 _whole_words_check_box = new QCheckBox (tr ("&Whole words"));
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107 _regex_check_box = new QCheckBox (tr ("Regular E&xpressions"));
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108 _backward_check_box = new QCheckBox (tr ("Search &backward"));
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109 _search_selection_check_box = new QCheckBox (tr ("Search se&lection"));
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110 _search_selection_check_box->setCheckable (false); // TODO: Not implemented.
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111 _search_selection_check_box->setEnabled (false);
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112
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113 _edit_area = edit_area;
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114 connect (_find_next_button, SIGNAL (clicked ()),
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115 this, SLOT (find_next ()));
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116 connect (_find_prev_button, SIGNAL (clicked ()),
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117 this, SLOT (find_prev ()));
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118 connect (_more_button, SIGNAL (toggled (bool)),
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119 _extension, SLOT (setVisible (bool)));
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120 connect (_replace_button, SIGNAL (clicked ()),
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121 this, SLOT (replace ()));
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122 connect (_replace_all_button, SIGNAL (clicked ()),
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123 this, SLOT (replace_all ()));
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124 connect (_backward_check_box, SIGNAL (stateChanged (int)),
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125 this, SLOT (handle_backward_search_changed (int)));
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126 connect (_button_box, SIGNAL (rejected ()),
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127 this, SLOT (close ()));
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128
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129 QVBoxLayout *extension_layout = new QVBoxLayout ();
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130 extension_layout->setMargin (0);
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131 extension_layout->addWidget (_whole_words_check_box);
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132 extension_layout->addWidget (_backward_check_box);
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133 extension_layout->addWidget (_search_selection_check_box);
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134 _extension->setLayout (extension_layout);
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135
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136 QGridLayout *top_left_layout = new QGridLayout;
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137 top_left_layout->addWidget (_search_label, 1, 1);
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138 top_left_layout->addWidget (_search_line_edit, 1, 2);
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139 top_left_layout->addWidget (_replace_label, 2, 1);
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140 top_left_layout->addWidget (_replace_line_edit, 2, 2);
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141
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142 QVBoxLayout *left_layout = new QVBoxLayout;
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143 left_layout->addLayout (top_left_layout);
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144 left_layout->insertStretch (1, 5);
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145 left_layout->addWidget (_case_check_box);
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146 left_layout->addWidget (_from_start_check_box);
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147 left_layout->addWidget (_wrap_check_box);
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148 left_layout->addWidget (_regex_check_box);
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149
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150 QGridLayout *main_layout = new QGridLayout;
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151 main_layout->setSizeConstraint (QLayout::SetFixedSize);
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152 main_layout->addLayout (left_layout, 0, 0);
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153 main_layout->addWidget (_button_box, 0, 1);
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154 main_layout->addWidget (_extension, 1, 0);
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155 setLayout (main_layout);
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156
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157 _extension->hide ();
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158 _find_next_button->setDefault (true);
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159 _find_result_available = false;
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160
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161 // move dialog to side of the parent if there is room on the desktop to do so.
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162 QWidget * desktop = QApplication::desktop ();
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163 int xp = p->x () + p->frameGeometry ().width ();
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164 int yp= p->y ();
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165 if (desktop != 0 && sizeHint ().isValid ())
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166 {
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167 if (xp + sizeHint ().width () > desktop->width ())
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168 xp = desktop->width () - sizeHint ().width ();
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169 }
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170
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171 move (xp, yp);
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172
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173 }
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174
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175 // set text of "search from start" depending on backward search
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176 void
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177 find_dialog::handle_backward_search_changed (int backward)
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178 {
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179 if (backward)
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180 _from_start_check_box->setText (tr ("Search from end"));
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181 else
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182 _from_start_check_box->setText (tr ("Search from start"));
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183 }
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184
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185 // initialize search text with selected text if this is in one single line
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186 void
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187 find_dialog::init_search_text ()
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188 {
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189 if (_edit_area->hasSelectedText ())
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190 {
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191 int lbeg, lend, cbeg, cend;
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192 _edit_area->getSelection(&lbeg,&cbeg,&lend,&cend);
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193 if (lbeg == lend)
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194 _search_line_edit->setText (_edit_area->selectedText ());
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195 }
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196 }
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197
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198 void
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199 find_dialog::find_next ()
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200 {
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201 find (!_backward_check_box->isChecked ());
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202 }
15988
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203
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204 void
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205 find_dialog::find_prev ()
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206 {
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207 find (_backward_check_box->isChecked ());
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208 }
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209
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210 void
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211 find_dialog::find (bool forward)
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212 {
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213 int line = -1, col = -1;
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214 bool do_wrap = _wrap_check_box->isChecked ();
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215 bool do_forward = true;
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216
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217 if (_find_result_available)
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218 {
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219 // we found a match last time, cursor is at the end of the match
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220 if (!forward)
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221 {
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222 // backward: go back one position or we will find the same again
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223 do_forward = false;
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224 _edit_area->getCursorPosition (&line,&col);
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225 if (col > 0)
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226 _edit_area->setCursorPosition (line,--col);
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227 }
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228 }
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229
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230 _find_result_available = false;
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231
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232 if (_from_start_check_box->isChecked ())
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233 {
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234 line = 0;
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235 col = 0;
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236 if (_backward_check_box->isChecked ())
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237 do_wrap = true;
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238 }
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239
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240 if (_edit_area)
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241 {
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242 _find_result_available
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243 = _edit_area->findFirst (_search_line_edit->text (),
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244 _regex_check_box->isChecked (),
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245 _case_check_box->isChecked (),
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246 _whole_words_check_box->isChecked (),
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247 do_wrap,
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248 do_forward,
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249 line,col,
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250 true
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251 #ifdef HAVE_QSCI_VERSION_2_6_0
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252 , true
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253 #endif
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254 );
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255 }
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256 if (_find_result_available)
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257 _from_start_check_box->setChecked (0);
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258 else
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259 no_matches_message ();
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260 }
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261
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262
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263 void
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264 find_dialog::replace ()
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265 {
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266 if (_edit_area)
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267 {
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268 _edit_area->replace (_replace_line_edit->text ());
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269 if (!_edit_area->findNext())
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270 no_matches_message ();
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271 }
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272 }
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273
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274 void
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275 find_dialog::replace_all ()
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276 {
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277 int count = 0;
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278
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279 // check whether find & replace srings are different (avoid endless loop!)
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280 int strDiff;
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281 Qt::CaseSensitivity cs;
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282 if (_case_check_box->isChecked())
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283 {
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284 cs = Qt::CaseSensitive;
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285 }
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286 else
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287 {
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288 cs = Qt::CaseInsensitive;
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289 }
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290 strDiff = QString::compare (_search_line_edit->text(),
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291 _replace_line_edit->text(), cs);
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292
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293 // replace all if strings are different
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294 if (_edit_area && strDiff )
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295 {
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296 find (!_backward_check_box->isChecked ()); // find first occurence
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297 while (_find_result_available) // while search string is found
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298 {
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299 _edit_area->replace (_replace_line_edit->text ()); // replace
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300 count++; // inc counter
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301 _find_result_available = _edit_area->findNext(); // and find next
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302 }
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303 QMessageBox msg_box (QMessageBox::Information, tr ("Replace Result"),
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304 tr ("%1 items replaced").arg(count),
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305 QMessageBox::Ok, this);
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306 msg_box.exec ();
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307 }
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308 // TODO: Show number of replaced strings
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309 }
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310
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311 void
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312 find_dialog::no_matches_message ()
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313 {
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314 QMessageBox msg_box (QMessageBox::Information, tr ("Find Result"),
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315 tr ("No more matches found"), QMessageBox::Ok, this);
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316 msg_box.exec ();
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317 }
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318
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319
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320 #endif