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annotate libgui/src/m-editor/find-dialog.cc @ 17535:c12c688a35ed default tip lyh

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Fix warnings
author LYH <lyh.kernel@gmail.com>
date Fri, 27 Sep 2013 17:43:27 +0800
parents c2e43dd6eb70
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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
17007
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161 // move to 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 { // we found a match last time, cursor is at the end of the match
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219 if (!forward)
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220 { // backward: go back one position or we will find the same again
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221 do_forward = false;
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222 _edit_area->getCursorPosition (&line,&col);
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223 if (col > 0)
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224 _edit_area->setCursorPosition (line,--col);
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225 }
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226 }
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227
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228 _find_result_available = false;
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229
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230 if (_from_start_check_box->isChecked ())
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231 {
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232 line = 0;
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233 col = 0;
eee1b78d031f gui: fix backward search in find dialog
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diff changeset
234 if (_backward_check_box->isChecked ())
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235 do_wrap = true;
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236 }
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237
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diff changeset
238 if (_edit_area)
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239 {
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240 _find_result_available = _edit_area->findFirst (_search_line_edit->text (),
15367
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diff changeset
241 _regex_check_box->isChecked (),
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diff changeset
242 _case_check_box->isChecked (),
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diff changeset
243 _whole_words_check_box->isChecked (),
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244 do_wrap,
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245 do_forward,
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diff changeset
246 line,col,
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diff changeset
247 true
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248 #ifdef HAVE_QSCI_VERSION_2_6_0
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249 , true
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250 #endif
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251 );
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252 }
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253 if (_find_result_available)
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254 _from_start_check_box->setChecked (0);
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255 else
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256 no_matches_message ();
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257 }
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258
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259
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260 void
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261 find_dialog::replace ()
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262 {
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263 if (_edit_area)
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264 {
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265 _edit_area->replace (_replace_line_edit->text ());
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266 if (!_edit_area->findNext())
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267 no_matches_message ();
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268 }
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269 }
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270
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271 void
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272 find_dialog::replace_all ()
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273 {
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274 int count = 0;
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275
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276 // check whether find & replace srings are different (avoid endless loop!)
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277 int strDiff;
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278 Qt::CaseSensitivity cs;
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279 if (_case_check_box->isChecked())
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280 {
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281 cs = Qt::CaseSensitive;
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282 }
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283 else
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284 {
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285 cs = Qt::CaseInsensitive;
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286 }
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287 strDiff = QString::compare(_search_line_edit->text(),_replace_line_edit->text(),cs);
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288
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289 // replace all if strings are different
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290 if (_edit_area && strDiff )
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291 {
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292 find (!_backward_check_box->isChecked ()); // find first occurence
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293 while (_find_result_available) // while search string is found
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294 {
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295 _edit_area->replace (_replace_line_edit->text ()); // replace
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296 count++; // inc counter
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297 _find_result_available = _edit_area->findNext(); // and find next
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298 }
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299 QMessageBox msg_box (QMessageBox::Information, tr ("Replace Result"),
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300 tr ("%1 items replaced").arg(count),
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301 QMessageBox::Ok, this);
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302 msg_box.exec ();
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303 }
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304 // TODO: Show number of replaced strings
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305 }
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306
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307 void
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308 find_dialog::no_matches_message ()
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309 {
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310 QMessageBox msg_box (QMessageBox::Information, tr ("Find Result"),
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311 tr ("No more matches found"), QMessageBox::Ok, this);
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312 msg_box.exec ();
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313 }
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314
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315
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316 #endif