source: trunk/examples/tools/regexp/regexpdialog.cpp@ 814

Last change on this file since 814 was 651, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.2 sources.
File size: 7.2 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the examples of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
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24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
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40****************************************************************************/
41
42#include <QtGui>
43
44#include "regexpdialog.h"
45
46RegExpDialog::RegExpDialog(QWidget *parent)
47 : QDialog(parent)
48{
49 patternComboBox = new QComboBox;
50 patternComboBox->setEditable(true);
51 patternComboBox->setSizePolicy(QSizePolicy::Expanding,
52 QSizePolicy::Preferred);
53
54 patternLabel = new QLabel(tr("&Pattern:"));
55 patternLabel->setBuddy(patternComboBox);
56
57 escapedPatternLineEdit = new QLineEdit;
58 escapedPatternLineEdit->setReadOnly(true);
59 QPalette palette = escapedPatternLineEdit->palette();
60 palette.setBrush(QPalette::Base,
61 palette.brush(QPalette::Disabled, QPalette::Base));
62 escapedPatternLineEdit->setPalette(palette);
63
64 escapedPatternLabel = new QLabel(tr("&Escaped Pattern:"));
65 escapedPatternLabel->setBuddy(escapedPatternLineEdit);
66
67 syntaxComboBox = new QComboBox;
68 syntaxComboBox->addItem(tr("Regular expression v1"), QRegExp::RegExp);
69 syntaxComboBox->addItem(tr("Regular expression v2"), QRegExp::RegExp2);
70 syntaxComboBox->addItem(tr("Wildcard"), QRegExp::Wildcard);
71 syntaxComboBox->addItem(tr("Fixed string"), QRegExp::FixedString);
72 syntaxComboBox->addItem(tr("W3C Xml Schema 1.1"), QRegExp::W3CXmlSchema11);
73
74 syntaxLabel = new QLabel(tr("&Pattern Syntax:"));
75 syntaxLabel->setBuddy(syntaxComboBox);
76
77 textComboBox = new QComboBox;
78 textComboBox->setEditable(true);
79 textComboBox->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
80
81 textLabel = new QLabel(tr("&Text:"));
82 textLabel->setBuddy(textComboBox);
83
84 caseSensitiveCheckBox = new QCheckBox(tr("Case &Sensitive"));
85 caseSensitiveCheckBox->setChecked(true);
86 minimalCheckBox = new QCheckBox(tr("&Minimal"));
87
88 indexLabel = new QLabel(tr("Index of Match:"));
89 indexEdit = new QLineEdit;
90 indexEdit->setReadOnly(true);
91
92 matchedLengthLabel = new QLabel(tr("Matched Length:"));
93 matchedLengthEdit = new QLineEdit;
94 matchedLengthEdit->setReadOnly(true);
95
96 for (int i = 0; i < MaxCaptures; ++i) {
97 captureLabels[i] = new QLabel(tr("Capture %1:").arg(i));
98 captureEdits[i] = new QLineEdit;
99 captureEdits[i]->setReadOnly(true);
100 }
101 captureLabels[0]->setText(tr("Match:"));
102
103 QHBoxLayout *checkBoxLayout = new QHBoxLayout;
104 checkBoxLayout->addWidget(caseSensitiveCheckBox);
105 checkBoxLayout->addWidget(minimalCheckBox);
106 checkBoxLayout->addStretch(1);
107
108 QGridLayout *mainLayout = new QGridLayout;
109 mainLayout->addWidget(patternLabel, 0, 0);
110 mainLayout->addWidget(patternComboBox, 0, 1);
111 mainLayout->addWidget(escapedPatternLabel, 1, 0);
112 mainLayout->addWidget(escapedPatternLineEdit, 1, 1);
113 mainLayout->addWidget(syntaxLabel, 2, 0);
114 mainLayout->addWidget(syntaxComboBox, 2, 1);
115 mainLayout->addLayout(checkBoxLayout, 3, 0, 1, 2);
116 mainLayout->addWidget(textLabel, 4, 0);
117 mainLayout->addWidget(textComboBox, 4, 1);
118 mainLayout->addWidget(indexLabel, 5, 0);
119 mainLayout->addWidget(indexEdit, 5, 1);
120 mainLayout->addWidget(matchedLengthLabel, 6, 0);
121 mainLayout->addWidget(matchedLengthEdit, 6, 1);
122
123 for (int j = 0; j < MaxCaptures; ++j) {
124 mainLayout->addWidget(captureLabels[j], 7 + j, 0);
125 mainLayout->addWidget(captureEdits[j], 7 + j, 1);
126 }
127 setLayout(mainLayout);
128
129 connect(patternComboBox, SIGNAL(editTextChanged(QString)),
130 this, SLOT(refresh()));
131 connect(textComboBox, SIGNAL(editTextChanged(QString)),
132 this, SLOT(refresh()));
133 connect(caseSensitiveCheckBox, SIGNAL(toggled(bool)),
134 this, SLOT(refresh()));
135 connect(minimalCheckBox, SIGNAL(toggled(bool)), this, SLOT(refresh()));
136 connect(syntaxComboBox, SIGNAL(currentIndexChanged(int)),
137 this, SLOT(refresh()));
138
139 patternComboBox->addItem(tr("[A-Za-z_]+([A-Za-z_0-9]*)"));
140 textComboBox->addItem(tr("(10 + delta4) * 32"));
141
142 setWindowTitle(tr("RegExp"));
143 setFixedHeight(sizeHint().height());
144 refresh();
145}
146
147void RegExpDialog::refresh()
148{
149 setUpdatesEnabled(false);
150
151 QString pattern = patternComboBox->currentText();
152 QString text = textComboBox->currentText();
153
154 QString escaped = pattern;
155 escaped.replace("\\", "\\\\");
156 escaped.replace("\"", "\\\"");
157 escaped.prepend("\"");
158 escaped.append("\"");
159 escapedPatternLineEdit->setText(escaped);
160
161 QRegExp rx(pattern);
162 Qt::CaseSensitivity cs = Qt::CaseInsensitive;
163 if (caseSensitiveCheckBox->isChecked())
164 cs = Qt::CaseSensitive;
165 rx.setCaseSensitivity(cs);
166 rx.setMinimal(minimalCheckBox->isChecked());
167 QRegExp::PatternSyntax syntax = QRegExp::PatternSyntax(
168 syntaxComboBox->itemData(syntaxComboBox->currentIndex()).toInt());
169 rx.setPatternSyntax(syntax);
170
171 QPalette palette = patternComboBox->palette();
172 if (rx.isValid()) {
173 palette.setColor(QPalette::Text,
174 textComboBox->palette().color(QPalette::Text));
175 } else {
176 palette.setColor(QPalette::Text, Qt::red);
177 }
178 patternComboBox->setPalette(palette);
179
180 indexEdit->setText(QString::number(rx.indexIn(text)));
181 matchedLengthEdit->setText(QString::number(rx.matchedLength()));
182 for (int i = 0; i < MaxCaptures; ++i) {
183 captureLabels[i]->setEnabled(i <= rx.captureCount());
184 captureEdits[i]->setEnabled(i <= rx.captureCount());
185 captureEdits[i]->setText(rx.cap(i));
186 }
187
188 setUpdatesEnabled(true);
189}
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