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annotate libgui/src/m-editor/find-dialog.cc @ 18854:0a66861d8069 gui-release

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implementation of search in selection in gui editor (bbug #41196) * configure.ac: do the check OCTAVE_CHECK_FUNC_QSCI_FINDSELECTION * acinclude.m4 (OCTAVE_CHECK_FUNC_QSCI_FINDSELECTION): new function testing whether QsciScintilla::findFirstInSelection is available (added in 2.7) * find-dialog.cc (constructor): box for searching in selection enabled when function is available, connect signals when search has changed and when search selection is activated to the new related slots, initialize new flag for indicating an ongoing replace; (handle_search_text_changed): new slot reseting search result; (handle_sel_search_changed): new slot reseting search result; (handle_selection_changed): new slot enabling check box for search selection, nothing is done when the change was due to a replace operation; (find): revise calculation of cursor position for starting the search at end, add searching in selection if related check box is checked, use backward search when replacing all (do_replace): set flag for an active replace operation indicating that the selection is not changed by the user; (replace): switch to robust backward search, using new function do_replace; (replace_all): recover cursor position only when nor searching in selection, reset search result after operation, using new function do_replace * find-dialog.h: new flag for active replace operation, new slots
author Torsten <ttl@justmail.de>
date Sun, 22 Jun 2014 15:42:00 +0200
parents 12291fb903de
children 2b82d2f29a7b 521d4959fc42
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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 (tr ("Find and Replace"));
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75 setWindowIcon (QIcon(":/actions/icons/find.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 #ifdef HAVE_QSCI_FINDSELECTION
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111 _search_selection_check_box->setCheckable (true);
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112 _search_selection_check_box->setEnabled (edit_area->hasSelectedText ());
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113 #else
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114 _search_selection_check_box->setCheckable (false);
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115 _search_selection_check_box->setEnabled (false);
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116 #endif
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117
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118 _edit_area = edit_area;
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119 connect (_find_next_button, SIGNAL (clicked ()),
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120 this, SLOT (find_next ()));
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121 connect (_find_prev_button, SIGNAL (clicked ()),
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122 this, SLOT (find_prev ()));
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123 connect (_more_button, SIGNAL (toggled (bool)),
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124 _extension, SLOT (setVisible (bool)));
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125 connect (_replace_button, SIGNAL (clicked ()),
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126 this, SLOT (replace ()));
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127 connect (_replace_all_button, SIGNAL (clicked ()),
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128 this, SLOT (replace_all ()));
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129 connect (_backward_check_box, SIGNAL (stateChanged (int)),
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130 this, SLOT (handle_backward_search_changed (int)));
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131 connect (_button_box, SIGNAL (rejected ()),
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132 this, SLOT (close ()));
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133 connect (_search_line_edit, SIGNAL (textChanged (QString)),
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134 this, SLOT (handle_search_text_changed (QString)));
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135
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136 #ifdef HAVE_QSCI_FINDSELECTION
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137 connect (_edit_area, SIGNAL (copyAvailable (bool)),
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138 this, SLOT (handle_selection_changed (bool)));
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139 connect (_search_selection_check_box, SIGNAL (stateChanged (int)),
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140 this, SLOT (handle_sel_search_changed (int)));
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141 #endif
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142
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143 QVBoxLayout *extension_layout = new QVBoxLayout ();
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144 extension_layout->setMargin (0);
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145 extension_layout->addWidget (_whole_words_check_box);
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146 extension_layout->addWidget (_backward_check_box);
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147 extension_layout->addWidget (_search_selection_check_box);
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148 _extension->setLayout (extension_layout);
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149
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150 QGridLayout *top_left_layout = new QGridLayout;
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151 top_left_layout->addWidget (_search_label, 1, 1);
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152 top_left_layout->addWidget (_search_line_edit, 1, 2);
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153 top_left_layout->addWidget (_replace_label, 2, 1);
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154 top_left_layout->addWidget (_replace_line_edit, 2, 2);
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155
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156 QVBoxLayout *left_layout = new QVBoxLayout;
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157 left_layout->addLayout (top_left_layout);
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158 left_layout->insertStretch (1, 5);
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159 left_layout->addWidget (_case_check_box);
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160 left_layout->addWidget (_from_start_check_box);
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161 left_layout->addWidget (_wrap_check_box);
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162 left_layout->addWidget (_regex_check_box);
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163
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164 QGridLayout *main_layout = new QGridLayout;
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165 main_layout->setSizeConstraint (QLayout::SetFixedSize);
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166 main_layout->addLayout (left_layout, 0, 0);
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167 main_layout->addWidget (_button_box, 0, 1);
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168 main_layout->addWidget (_extension, 1, 0);
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169 setLayout (main_layout);
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170
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171 _extension->hide ();
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172 _find_next_button->setDefault (true);
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173 _find_result_available = false;
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174 _rep_all = 0;
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175 _rep_active = false;
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176
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177 // move dialog to side of the parent if there is room on the desktop to do so.
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178 QWidget * desktop = QApplication::desktop ();
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179 int xp = p->x () + p->frameGeometry ().width ();
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180 int yp= p->y ();
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181 if (desktop != 0 && sizeHint ().isValid ())
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182 {
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183 if (xp + sizeHint ().width () > desktop->width ())
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184 xp = desktop->width () - sizeHint ().width ();
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185 }
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186
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187 move (xp, yp);
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188
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189 }
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190
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191 // set text of "search from start" depending on backward search
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192 void
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193 find_dialog::handle_backward_search_changed (int backward)
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194 {
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195 if (backward)
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196 _from_start_check_box->setText (tr ("Search from end"));
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197 else
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198 _from_start_check_box->setText (tr ("Search from start"));
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199 }
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200
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201 // search text has changed: reset the search
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202 void
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203 find_dialog::handle_search_text_changed (QString)
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204 {
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205 if (_search_selection_check_box->isChecked ())
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206 _find_result_available = false;
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207 }
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208
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209 #ifdef HAVE_QSCI_FINDSELECTION
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210 void
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211 find_dialog::handle_sel_search_changed (int selected)
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212 {
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213 _from_start_check_box->setEnabled (! selected);
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214 _find_result_available = false;
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215 }
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216
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217 void
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218 find_dialog::handle_selection_changed (bool has_selected)
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219 {
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220 if (_rep_active)
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221 return;
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222
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223 _search_selection_check_box->setEnabled (has_selected);
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224 _find_result_available = false;
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225 if (! has_selected)
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226 _search_selection_check_box->setChecked (false);
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227 }
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228 #endif
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229
15988
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230 // initialize search text with selected text if this is in one single line
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231 void
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232 find_dialog::init_search_text ()
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233 {
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234 if (_edit_area->hasSelectedText ())
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235 {
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236 int lbeg, lend, cbeg, cend;
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237 _edit_area->getSelection(&lbeg,&cbeg,&lend,&cend);
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238 if (lbeg == lend)
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239 _search_line_edit->setText (_edit_area->selectedText ());
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240 }
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241 }
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parents: 15873
diff changeset
242
16520
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243 void
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Torsten <ttl@justmail.de>
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diff changeset
244 find_dialog::find_next ()
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245 {
086b5e81245b find-dialog: find previous button and initial position next to the editor
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246 find (!_backward_check_box->isChecked ());
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Torsten <ttl@justmail.de>
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247 }
15988
38348a6c3db0 gui: initialize search text in the find dialog with selected text in editor file
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diff changeset
248
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249 void
16520
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250 find_dialog::find_prev ()
086b5e81245b find-dialog: find previous button and initial position next to the editor
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251 {
086b5e81245b find-dialog: find previous button and initial position next to the editor
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252 find (_backward_check_box->isChecked ());
086b5e81245b find-dialog: find previous button and initial position next to the editor
Torsten <ttl@justmail.de>
parents: 16516
diff changeset
253 }
086b5e81245b find-dialog: find previous button and initial position next to the editor
Torsten <ttl@justmail.de>
parents: 16516
diff changeset
254
086b5e81245b find-dialog: find previous button and initial position next to the editor
Torsten <ttl@justmail.de>
parents: 16516
diff changeset
255 void
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Torsten <ttl@justmail.de>
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diff changeset
256 find_dialog::find (bool forward)
15177
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257 {
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
Jordi Gutiérrez Hermoso <jordigh@octave.org>
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258 int line = -1, col = -1;
16511
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259 bool do_wrap = _wrap_check_box->isChecked ();
18184
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260 bool do_forward = forward;
16511
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diff changeset
261
18184
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262 if (_rep_all)
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263 {
18184
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264 if (_rep_all == 1)
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Torsten <ttl@justmail.de>
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diff changeset
265 {
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266 line = 0;
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267 col = 0;
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268 }
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269 do_wrap = false;
18854
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270 // The following line is a workaround for the issue that when replacing
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271 // a text with a new one with different size within the selection,
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272 // the selection is not updated leading to missing or extra replacements.
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273 // This does not happen, when the selection is search backwards
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274 do_forward = ! _search_selection_check_box->isChecked ();
18184
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275 }
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Torsten <ttl@justmail.de>
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276 else
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277 {
5f7f58866922 fix search and replace all in find dialog (bug #41051)
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278 if (_from_start_check_box->isChecked ())
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279 {
18854
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280 if (do_forward)
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281 {
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282 line = 0;
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283 col = 0;
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284 }
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285 else
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286 {
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287 line = _edit_area->lines () - 1;
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288 col = _edit_area->text (line).length () - 1;
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
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289 if (col == -1)
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290 col = 0;
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291 }
18184
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292 }
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293 }
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 15105
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294
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295 if (_edit_area)
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parents: 15105
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296 {
18854
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297 if (_edit_area->hasSelectedText ()
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298 && _search_selection_check_box->isChecked ())
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299 {
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300 #ifdef HAVE_QSCI_FINDSELECTION
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301 if (_find_result_available)
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302 _find_result_available = _edit_area->findNext ();
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303 else
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diff changeset
304 _find_result_available
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305 = _edit_area->findFirstInSelection (
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diff changeset
306 _search_line_edit->text (),
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diff changeset
307 _regex_check_box->isChecked (),
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diff changeset
308 _case_check_box->isChecked (),
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
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diff changeset
309 _whole_words_check_box->isChecked (),
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Torsten <ttl@justmail.de>
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diff changeset
310 do_forward,
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diff changeset
311 true
16736
68ca4122e568 * find-dialog.cc(find): fix ifdef for qscintilla version according to cset 16733
Torsten <ttl@justmail.de>
parents: 16520
diff changeset
312 #ifdef HAVE_QSCI_VERSION_2_6_0
18854
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313 , true
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314 #endif
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
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diff changeset
315 );
15257
7ee62f559a73 Fix compilation under Windows with GUI and LLVM enabled.
Michael Goffioul <michael.goffioul@gmail.com>
parents: 15196
diff changeset
316 #endif
18854
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parents: 18283
diff changeset
317 }
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
Torsten <ttl@justmail.de>
parents: 18283
diff changeset
318 else
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
Torsten <ttl@justmail.de>
parents: 18283
diff changeset
319 {
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
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diff changeset
320 _find_result_available
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diff changeset
321 = _edit_area->findFirst (_search_line_edit->text (),
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
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diff changeset
322 _regex_check_box->isChecked (),
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Torsten <ttl@justmail.de>
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diff changeset
323 _case_check_box->isChecked (),
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
Torsten <ttl@justmail.de>
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diff changeset
324 _whole_words_check_box->isChecked (),
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
Torsten <ttl@justmail.de>
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diff changeset
325 do_wrap,
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
Torsten <ttl@justmail.de>
parents: 18283
diff changeset
326 do_forward,
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
Torsten <ttl@justmail.de>
parents: 18283
diff changeset
327 line,col,
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
Torsten <ttl@justmail.de>
parents: 18283
diff changeset
328 true
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
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diff changeset
329 #ifdef HAVE_QSCI_VERSION_2_6_0
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diff changeset
330 , true
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diff changeset
331 #endif
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
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diff changeset
332 );
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
Torsten <ttl@justmail.de>
parents: 18283
diff changeset
333 }
15177
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 15105
diff changeset
334 }
18854
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
Torsten <ttl@justmail.de>
parents: 18283
diff changeset
335
16511
eee1b78d031f gui: fix backward search in find dialog
Torsten <ttl@justmail.de>
parents: 15988
diff changeset
336 if (_find_result_available)
eee1b78d031f gui: fix backward search in find dialog
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337 _from_start_check_box->setChecked (0);
18184
5f7f58866922 fix search and replace all in find dialog (bug #41051)
Torsten <ttl@justmail.de>
parents: 17790
diff changeset
338 else if (! _rep_all)
16520
086b5e81245b find-dialog: find previous button and initial position next to the editor
Torsten <ttl@justmail.de>
parents: 16516
diff changeset
339 no_matches_message ();
15177
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diff changeset
340 }
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
Jordi Gutiérrez Hermoso <jordigh@octave.org>
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diff changeset
341
18854
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
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diff changeset
342 void
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diff changeset
343 find_dialog::do_replace ()
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
Torsten <ttl@justmail.de>
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diff changeset
344 {
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345 _rep_active = true; // changes in selection not made by the user
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diff changeset
346 _edit_area->replace (_replace_line_edit->text ());
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347 _rep_active = false;
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diff changeset
348 }
15177
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diff changeset
349
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
Jordi Gutiérrez Hermoso <jordigh@octave.org>
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diff changeset
350 void
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
Jordi Gutiérrez Hermoso <jordigh@octave.org>
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diff changeset
351 find_dialog::replace ()
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
Jordi Gutiérrez Hermoso <jordigh@octave.org>
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diff changeset
352 {
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 15105
diff changeset
353 if (_edit_area)
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 15105
diff changeset
354 {
18854
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diff changeset
355 // The following line is a workaround for the issue that when replacing
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
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diff changeset
356 // a text with a new one with different size within the selection,
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diff changeset
357 // the selection is not updated leading to missing or extra replacements.
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
Torsten <ttl@justmail.de>
parents: 18283
diff changeset
358 // This does not happen, when the selection is search backwards
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
Torsten <ttl@justmail.de>
parents: 18283
diff changeset
359 if (_search_selection_check_box->isChecked ())
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
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diff changeset
360 _backward_check_box->setChecked (true);
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
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diff changeset
361
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
Torsten <ttl@justmail.de>
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diff changeset
362 // do the replace if we have selected text
18184
5f7f58866922 fix search and replace all in find dialog (bug #41051)
Torsten <ttl@justmail.de>
parents: 17790
diff changeset
363 if (_find_result_available && _edit_area->hasSelectedText ())
18854
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
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parents: 18283
diff changeset
364 do_replace ();
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
Torsten <ttl@justmail.de>
parents: 18283
diff changeset
365
18184
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Torsten <ttl@justmail.de>
parents: 17790
diff changeset
366 find_next ();
15177
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
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diff changeset
367 }
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 15105
diff changeset
368 }
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 15105
diff changeset
369
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
Jordi Gutiérrez Hermoso <jordigh@octave.org>
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diff changeset
370 void
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
Jordi Gutiérrez Hermoso <jordigh@octave.org>
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diff changeset
371 find_dialog::replace_all ()
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 15105
diff changeset
372 {
18184
5f7f58866922 fix search and replace all in find dialog (bug #41051)
Torsten <ttl@justmail.de>
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diff changeset
373 int line, col;
15177
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 15105
diff changeset
374
18184
5f7f58866922 fix search and replace all in find dialog (bug #41051)
Torsten <ttl@justmail.de>
parents: 17790
diff changeset
375 if (_edit_area)
15177
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 15105
diff changeset
376 {
18184
5f7f58866922 fix search and replace all in find dialog (bug #41051)
Torsten <ttl@justmail.de>
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diff changeset
377 _edit_area->getCursorPosition (&line,&col);
15177
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378
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379 _rep_all = 1;
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380 find_next (); // find first occurence (forward)
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381 while (_find_result_available) // while search string is found
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382 {
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383 do_replace ();
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384 _rep_all++; // inc counter
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385 find_next (); // find next
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386 }
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387
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388 QMessageBox msg_box (QMessageBox::Information, tr ("Replace Result"),
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389 tr ("%1 items replaced").arg(_rep_all-1),
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390 QMessageBox::Ok, this);
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391 msg_box.exec ();
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392
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393 _rep_all = 0;
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394 _find_result_available = false;
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395
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396 if (! _search_selection_check_box->isChecked ())
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397 _edit_area->setCursorPosition (line,col);
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398 }
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399 }
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400
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401 void
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402 find_dialog::no_matches_message ()
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403 {
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404 QMessageBox msg_box (QMessageBox::Information, tr ("Find Result"),
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405 tr ("No more matches found"), QMessageBox::Ok, this);
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406 msg_box.exec ();
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407 }
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408
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409
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410 #endif