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annotate libgui/src/m-editor/find-dialog.cc @ 16511:eee1b78d031f

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gui: fix backward search in find dialog * find-dialog.cc(handle_backward_search_changed): new slot which toggles the text of the start from serach check box * find-dialog.cc(constructor): connect checked state signal of backward search checkbox to new slot andle_backward_search_changed, new icon * find-dialog.cc(search_next): fix cursor position for start from search/end and for backward search, show message box if no more matches are found * find-dialog.h: new slot handle_backward_search_changed
author Torsten <ttl@justmail.de>
date Sat, 13 Apr 2013 16:04:16 +0200
parents 38348a6c3db0
children 7af39cc90982
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 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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4 ** All rights reserved.
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5 ** Contact: Nokia Corporation (qt-info@nokia.com)
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6 **
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7 ** This file is part of the examples of the Qt Toolkit.
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8 **
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9 ** $QT_BEGIN_LICENSE:LGPL$
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10 ** Commercial Usage
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11 ** Licensees holding valid Qt Commercial licenses may use this file in
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12 ** accordance with the Qt Commercial License Agreement provided with the
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13 ** Software or, alternatively, in accordance with the terms contained in
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14 ** a written agreement between you and Nokia.
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15 **
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16 ** GNU Lesser General Public License Usage
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser
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18 ** General Public License version 2.1 as published by the Free Software
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the
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20 ** packaging of this file. Please review the following information to
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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23 **
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24 ** In addition, as a special exception, Nokia gives you certain additional
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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27 **
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28 ** GNU General Public License Usage
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29 ** Alternatively, this file may be used under the terms of the GNU
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30 ** General Public License version 3.0 as published by the Free Software
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31 ** Foundation and appearing in the file LICENSE.GPL included in the
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32 ** packaging of this file. Please review the following information to
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33 ** ensure the GNU General Public License version 3.0 requirements will be
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34 ** met: http://www.gnu.org/copyleft/gpl.html.
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35 **
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36 ** If you have questions regarding the use of this file, please contact
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37 ** Nokia at qt-info@nokia.com.
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38 ** $QT_END_LICENSE$
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39 **
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40 ****************************************************************************/
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41
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42 #ifdef HAVE_CONFIG_H
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43 #include <config.h>
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44 #endif
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45
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46 #ifdef HAVE_QSCINTILLA
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47
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48 #include <QtGui>
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49 #include <QIcon>
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50 #include "find-dialog.h"
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51
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52 find_dialog::find_dialog (QsciScintilla* edit_area, QWidget *p)
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53 : QDialog (p)
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54 {
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55 setWindowTitle ("Find and Replace");
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56 setWindowIcon (QIcon(":/actions/icons/search.png"));
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57
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58 _search_label = new QLabel (tr ("Find &what:"));
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59 _search_line_edit = new QLineEdit;
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60 _search_label->setBuddy (_search_line_edit);
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61 _replace_label = new QLabel (tr ("Re&place with:"));
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62 _replace_line_edit = new QLineEdit;
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63 _replace_label->setBuddy (_replace_line_edit);
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64
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65 _case_check_box = new QCheckBox (tr ("Match &case"));
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66 _from_start_check_box = new QCheckBox (tr ("Search from &start"));
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67 _wrap_check_box = new QCheckBox (tr ("&Wrap while searching"));
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68 _wrap_check_box->setChecked(true);
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69 _find_next_button = new QPushButton (tr ("&Find Next"));
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70 _find_next_button->setDefault (true);
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71 _replace_button = new QPushButton (tr ("&Replace"));
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72 _replace_all_button = new QPushButton (tr ("Replace &All"));
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73
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74 _more_button = new QPushButton (tr ("&More"));
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75 _more_button->setCheckable (true);
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76 _more_button->setAutoDefault (false);
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77
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78 _button_box = new QDialogButtonBox (Qt::Vertical);
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79 _button_box->addButton (_find_next_button, QDialogButtonBox::ActionRole);
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80 _button_box->addButton (_replace_button, QDialogButtonBox::ActionRole);
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81 _button_box->addButton (_replace_all_button, QDialogButtonBox::ActionRole);
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82 _button_box->addButton (_more_button, QDialogButtonBox::ActionRole);
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83
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84 _extension = new QWidget (this);
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85 _whole_words_check_box = new QCheckBox (tr ("&Whole words"));
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86 _regex_check_box = new QCheckBox (tr ("Regular E&xpressions"));
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87 _backward_check_box = new QCheckBox (tr ("Search &backward"));
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88 _search_selection_check_box = new QCheckBox (tr ("Search se&lection"));
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89 _search_selection_check_box->setCheckable (false); // TODO: Not implemented.
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90 _search_selection_check_box->setEnabled (false);
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91
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92 _edit_area = edit_area;
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93 connect (_find_next_button, SIGNAL (clicked ()),
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94 this, SLOT (search_next ()));
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95 connect (_more_button, SIGNAL (toggled (bool)),
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96 _extension, SLOT (setVisible (bool)));
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97 connect (_replace_button, SIGNAL (clicked ()),
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98 this, SLOT (replace ()));
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99 connect (_replace_all_button, SIGNAL (clicked ()),
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100 this, SLOT (replace_all ()));
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101 connect (_backward_check_box, SIGNAL (stateChanged (int)),
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102 this, SLOT (handle_backward_search_changed (int)));
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103
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104 QVBoxLayout *extension_layout = new QVBoxLayout ();
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105 extension_layout->setMargin (0);
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106 extension_layout->addWidget (_whole_words_check_box);
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107 extension_layout->addWidget (_backward_check_box);
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108 extension_layout->addWidget (_search_selection_check_box);
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109 _extension->setLayout (extension_layout);
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110
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111 QGridLayout *top_left_layout = new QGridLayout;
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112 top_left_layout->addWidget (_search_label, 1, 1);
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113 top_left_layout->addWidget (_search_line_edit, 1, 2);
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114 top_left_layout->addWidget (_replace_label, 2, 1);
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115 top_left_layout->addWidget (_replace_line_edit, 2, 2);
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116
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117 QVBoxLayout *left_layout = new QVBoxLayout;
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118 left_layout->addLayout (top_left_layout);
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119 left_layout->insertStretch (1, 5);
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120 left_layout->addWidget (_case_check_box);
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121 left_layout->addWidget (_from_start_check_box);
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122 left_layout->addWidget (_wrap_check_box);
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123 left_layout->addWidget (_regex_check_box);
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124
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125 QGridLayout *main_layout = new QGridLayout;
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126 main_layout->setSizeConstraint (QLayout::SetFixedSize);
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127 main_layout->addLayout (left_layout, 0, 0);
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128 main_layout->addWidget (_button_box, 0, 1);
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129 main_layout->addWidget (_extension, 1, 0, 1, 2);
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130 setLayout (main_layout);
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131
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132 _extension->hide ();
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133
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134 _find_result_available = false;
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135
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136 }
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137
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138 // set text of "search from start" depending on backward search
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139 void
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140 find_dialog::handle_backward_search_changed (int backward)
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141 {
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142 if (backward)
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143 _from_start_check_box->setText (tr ("Search from end"));
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144 else
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145 _from_start_check_box->setText (tr ("Search from start"));
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146 }
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147
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148 // initialize search text with selected text if this is in one single line
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149 void
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150 find_dialog::init_search_text ()
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151 {
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152 if (_edit_area->hasSelectedText ())
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153 {
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154 int lbeg, lend, cbeg, cend;
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155 _edit_area->getSelection(&lbeg,&cbeg,&lend,&cend);
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156 if (lbeg == lend)
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157 _search_line_edit->setText (_edit_area->selectedText ());
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158 }
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159 }
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160
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161
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162 void
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163 find_dialog::search_next ()
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164 {
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165 int line = -1, col = -1;
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166 bool do_wrap = _wrap_check_box->isChecked ();
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167
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168 if (_find_result_available)
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169 { // we found a match last time
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170 if (_backward_check_box->isChecked ())
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171 { // backward: go back one position or we will find the same again
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172 _edit_area->getCursorPosition (&line,&col);
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173 if (col > 0)
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174 _edit_area->setCursorPosition (line,--col);
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175 }
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176 }
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177
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178 _find_result_available = false;
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179
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180 if (_from_start_check_box->isChecked ())
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181 {
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182 line = 0;
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183 col = 0;
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184 if (_backward_check_box->isChecked ())
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185 do_wrap = true;
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186 }
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187
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188 if (_edit_area)
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189 {
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190 _find_result_available = _edit_area->findFirst (_search_line_edit->text (),
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191 _regex_check_box->isChecked (),
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192 _case_check_box->isChecked (),
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193 _whole_words_check_box->isChecked (),
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194 do_wrap,
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195 !_backward_check_box->isChecked (),
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196 line,col,
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197 true
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198 #ifdef HAVE_FINDFIRST_MODERN
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199 , true
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200 #endif
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201 );
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202 }
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203 if (_find_result_available)
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204 _from_start_check_box->setChecked (0);
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205 else
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206 {
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207 QMessageBox msg_box (QMessageBox::Information, tr ("Find Result"),
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208 tr ("No more matches found"), QMessageBox::Ok, this);
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209 msg_box.exec ();
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210 }
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211 }
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212
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213
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214 void
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215 find_dialog::replace ()
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216 {
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217 if (_edit_area)
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218 {
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219 _edit_area->replace (_replace_line_edit->text ());
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220 _edit_area->findNext();
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221 }
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222 }
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223
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224 void
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225 find_dialog::replace_all ()
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226 {
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227 int count = 0;
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228
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229 // check whether find & replace srings are different (avoid endless loop!)
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230 int strDiff;
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231 Qt::CaseSensitivity cs;
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232 if (_case_check_box->isChecked())
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233 {
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234 cs = Qt::CaseSensitive;
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235 }
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236 else
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237 {
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238 cs = Qt::CaseInsensitive;
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239 }
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240 strDiff = QString::compare(_search_line_edit->text(),_replace_line_edit->text(),cs);
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241
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242 // replace all if strings are different
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243 if (_edit_area && strDiff )
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244 {
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245 search_next (); // find first occurence
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246 while (_find_result_available) // while search string is found
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247 {
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248 _edit_area->replace (_replace_line_edit->text ()); // replace
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249 count++; // inc counter
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250 _find_result_available = _edit_area->findNext(); // and find next
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251 }
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252 }
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253 // TODO: Show number of replaced strings
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254 }
15873
7d300b85ee25 allow build to proceed if either Qt or QScintilla is missing
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255
7d300b85ee25 allow build to proceed if either Qt or QScintilla is missing
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parents: 15368
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256 #endif