~oif-team/ubuntu/natty/qt4-x11/xi2.1

<td width="1">  </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> · <a href="annotated.html"><font color="#004faf">Annotated</font></a> · <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> · <a href="functions.html"><font color="#004faf">Functions</font></a></td>

<td align="right" valign="top" width="230"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></td></tr></table><h1 align="center">regexpdialog.cpp Example File<br /><small><small>tools/regexp/regexpdialog.cpp</small></small></h1>

<pre>  /****************************************************************************

** This file is part of the documentation of the Qt Toolkit.

** This file may be distributed under the terms of the Q Public License

** as defined by Trolltech AS of Norway and appearing in the file

** LICENSE.QPL included in the packaging of this file.

** This file may be distributed and/or modified under the terms of the

** GNU General Public License version 2 as published by the Free Software

** Foundation and appearing in the file LICENSE.GPL included in the

** packaging of this file.

** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for

** information about Qt Commercial License Agreements.

** See http://www.trolltech.com/qpl/ for QPL licensing information.

** See http://www.trolltech.com/gpl/ for GPL licensing information.

** Contact info@trolltech.com if any conditions of this licensing are

** not clear to you.

** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE

** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

****************************************************************************/

#include "regexpdialog.h"

RegExpDialog::RegExpDialog(QWidget *parent)

: QDialog(parent)

{

patternComboBox = new QComboBox;

patternComboBox->setEditable(true);

patternComboBox->setSizePolicy(QSizePolicy::Expanding,

QSizePolicy::Preferred);

patternLabel = new QLabel(tr("&Pattern:"));

patternLabel->setBuddy(patternComboBox);

escapedPatternLineEdit = new QLineEdit;

escapedPatternLineEdit->setReadOnly(true);

QPalette palette = escapedPatternLineEdit->palette();

palette.setBrush(QPalette::Base, palette.brush(QPalette::Disabled, QPalette::Base));

escapedPatternLineEdit->setPalette(palette);

escapedPatternLabel = new QLabel(tr("&Escaped Pattern:"));

escapedPatternLabel->setBuddy(escapedPatternLineEdit);

textComboBox = new QComboBox;

textComboBox->setEditable(true);

textComboBox->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);

textLabel = new QLabel(tr("&Text:"));

textLabel->setBuddy(textComboBox);

caseSensitiveCheckBox = new QCheckBox(tr("Case &Sensitive"));

caseSensitiveCheckBox->setChecked(true);

minimalCheckBox = new QCheckBox(tr("&Minimal"));

wildcardCheckBox = new QCheckBox(tr("&Wildcard"));

indexLabel = new QLabel(tr("Index of Match:"));

indexEdit = new QLineEdit;

indexEdit->setReadOnly(true);

matchedLengthLabel = new QLabel(tr("Matched Length:"));

matchedLengthEdit = new QLineEdit;

matchedLengthEdit->setReadOnly(true);

for (int i = 0; i < MaxCaptures; ++i) {

captureLabels[i] = new QLabel(tr("Capture %1:").arg(i));

captureEdits[i] = new QLineEdit;

captureEdits[i]->setReadOnly(true);

}

captureLabels[0]->setText(tr("Match:"));

QHBoxLayout *checkBoxLayout = new QHBoxLayout;

checkBoxLayout->addWidget(caseSensitiveCheckBox);

checkBoxLayout->addWidget(minimalCheckBox);

100

checkBoxLayout->addWidget(wildcardCheckBox);

101

checkBoxLayout->addStretch(1);

102

103

QGridLayout *mainLayout = new QGridLayout;

104

mainLayout->setSizeConstraint(QLayout::SetFixedSize);

105

mainLayout->addWidget(patternLabel, 0, 0);

106

mainLayout->addWidget(patternComboBox, 0, 1);

107

mainLayout->addWidget(escapedPatternLabel, 1, 0);

108

mainLayout->addWidget(escapedPatternLineEdit, 1, 1);

109

mainLayout->addWidget(textLabel, 2, 0);

110

mainLayout->addWidget(textComboBox, 2, 1);

111

mainLayout->addLayout(checkBoxLayout, 3, 0, 1, 2);

112

mainLayout->addWidget(indexLabel, 4, 0);

113

mainLayout->addWidget(indexEdit, 4, 1);

114

mainLayout->addWidget(matchedLengthLabel, 5, 0);

115

mainLayout->addWidget(matchedLengthEdit, 5, 1);

116

117

for (int j = 0; j < MaxCaptures; ++j) {

118

mainLayout->addWidget(captureLabels[j], 6 + j, 0);

119

mainLayout->addWidget(captureEdits[j], 6 + j, 1);

120

}

121

setLayout(mainLayout);

122

123

connect(patternComboBox, SIGNAL(editTextChanged(const QString &)),

124

this, SLOT(refresh()));

125

connect(textComboBox, SIGNAL(editTextChanged(const QString &)),

126

this, SLOT(refresh()));

127

connect(caseSensitiveCheckBox, SIGNAL(toggled(bool)),

128

this, SLOT(refresh()));

129

connect(minimalCheckBox, SIGNAL(toggled(bool)), this, SLOT(refresh()));

130

connect(wildcardCheckBox, SIGNAL(toggled(bool)), this, SLOT(refresh()));

131

132

patternComboBox->addItem(tr("([A-Za-z_])([A-Za-z_0-9]*)"));

133

textComboBox->addItem(tr("(10 + delta4) * 32"));

134

135

setWindowTitle(tr("RegExp"));

136

refresh();

137

}

138

139

void RegExpDialog::refresh()

140

{

141

QString pattern = patternComboBox->currentText();

142

QString text = textComboBox->currentText();

143

144

QString escaped = patternComboBox->currentText();

145

escaped = escaped.replace("\\", "\\\\");

146

escaped = "\"" + escaped + "\"";

147

escapedPatternLineEdit->setText(escaped);

148

149

QRegExp rx(pattern);

150

Qt::CaseSensitivity cs = Qt::CaseInsensitive;

151

if (caseSensitiveCheckBox->isChecked())

152

cs = Qt::CaseSensitive;

153

rx.setCaseSensitivity(cs);

154

rx.setMinimal(minimalCheckBox->isChecked());

155

QRegExp::PatternSyntax syntax =

156

wildcardCheckBox->isChecked() ? QRegExp::Wildcard : QRegExp::RegExp;

157

rx.setPatternSyntax(syntax);

158

159

QPalette palette = patternComboBox->palette();

160

if (rx.isValid()) {

161

palette.setColor(QPalette::Text,

162

textComboBox->palette().color(QPalette::Text));

163

} else {

164

palette.setColor(QPalette::Text, Qt::red);

165

}

166

patternComboBox->setPalette(palette);

167

168

indexEdit->setText(QString::number(rx.indexIn(text)));

169

matchedLengthEdit->setText(QString::number(rx.matchedLength()));

170

for (int i = 0; i < MaxCaptures; ++i) {

171

captureLabels[i]->setEnabled(i <= rx.numCaptures());

172

captureEdits[i]->setEnabled(i <= rx.numCaptures());

173

captureEdits[i]->setText(rx.cap(i));

174

}

175

}</pre>

176

177

178

179

<td width="40%" align="center"><a href="trademarks.html">Trademarks</a></td>

180

181

</tr></table></div></address></body>

182

</html>

Older »