Long live Qt 4.5!

1 files changed, 188 insertions, 0 deletions

diff --git a/examples/tools/regexp/regexpdialog.cpp b/examples/tools/regexp/regexpdialog.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#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);
+
+    syntaxComboBox = new QComboBox;
+    syntaxComboBox->addItem(tr("Regular expression v1"), QRegExp::RegExp);
+    syntaxComboBox->addItem(tr("Regular expression v2"), QRegExp::RegExp2);
+    syntaxComboBox->addItem(tr("Wildcard"), QRegExp::Wildcard);
+    syntaxComboBox->addItem(tr("Fixed string"), QRegExp::FixedString);
+
+    syntaxLabel = new QLabel(tr("&Pattern Syntax:"));
+    syntaxLabel->setBuddy(syntaxComboBox);
+
+    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"));
+
+    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);
+    checkBoxLayout->addStretch(1);
+
+    QGridLayout *mainLayout = new QGridLayout;
+    mainLayout->addWidget(patternLabel, 0, 0);
+    mainLayout->addWidget(patternComboBox, 0, 1);
+    mainLayout->addWidget(escapedPatternLabel, 1, 0);
+    mainLayout->addWidget(escapedPatternLineEdit, 1, 1);
+    mainLayout->addWidget(syntaxLabel, 2, 0);
+    mainLayout->addWidget(syntaxComboBox, 2, 1);
+    mainLayout->addLayout(checkBoxLayout, 3, 0, 1, 2);
+    mainLayout->addWidget(textLabel, 4, 0);
+    mainLayout->addWidget(textComboBox, 4, 1);
+    mainLayout->addWidget(indexLabel, 5, 0);
+    mainLayout->addWidget(indexEdit, 5, 1);
+    mainLayout->addWidget(matchedLengthLabel, 6, 0);
+    mainLayout->addWidget(matchedLengthEdit, 6, 1);
+
+    for (int j = 0; j < MaxCaptures; ++j) {
+        mainLayout->addWidget(captureLabels[j], 7 + j, 0);
+        mainLayout->addWidget(captureEdits[j], 7 + j, 1);
+    }
+    setLayout(mainLayout);
+
+    connect(patternComboBox, SIGNAL(editTextChanged(const QString &)),
+            this, SLOT(refresh()));
+    connect(textComboBox, SIGNAL(editTextChanged(const QString &)),
+            this, SLOT(refresh()));
+    connect(caseSensitiveCheckBox, SIGNAL(toggled(bool)),
+            this, SLOT(refresh()));
+    connect(minimalCheckBox, SIGNAL(toggled(bool)), this, SLOT(refresh()));
+    connect(syntaxComboBox, SIGNAL(currentIndexChanged(int)),
+            this, SLOT(refresh()));
+
+    patternComboBox->addItem(tr("[A-Za-z_]+([A-Za-z_0-9]*)"));
+    textComboBox->addItem(tr("(10 + delta4) * 32"));
+
+    setWindowTitle(tr("RegExp"));
+    setFixedHeight(sizeHint().height());
+    refresh();
+}
+
+void RegExpDialog::refresh()
+{
+    setUpdatesEnabled(false);
+
+    QString pattern = patternComboBox->currentText();
+    QString text = textComboBox->currentText();
+
+    QString escaped = pattern;
+    escaped.replace("\\", "\\\\");
+    escaped.replace("\"", "\\\"");
+    escaped.prepend("\"");
+    escaped.append("\"");
+    escapedPatternLineEdit->setText(escaped);
+
+    QRegExp rx(pattern);
+    Qt::CaseSensitivity cs = Qt::CaseInsensitive;
+    if (caseSensitiveCheckBox->isChecked())
+        cs = Qt::CaseSensitive;
+    rx.setCaseSensitivity(cs);
+    rx.setMinimal(minimalCheckBox->isChecked());
+    QRegExp::PatternSyntax syntax = QRegExp::PatternSyntax(
+            syntaxComboBox->itemData(syntaxComboBox->currentIndex()).toInt());
+    rx.setPatternSyntax(syntax);
+
+    QPalette palette = patternComboBox->palette();
+    if (rx.isValid()) {
+        palette.setColor(QPalette::Text,
+                         textComboBox->palette().color(QPalette::Text));
+    } else {
+        palette.setColor(QPalette::Text, Qt::red);
+    }
+    patternComboBox->setPalette(palette);
+
+    indexEdit->setText(QString::number(rx.indexIn(text)));
+    matchedLengthEdit->setText(QString::number(rx.matchedLength()));
+    for (int i = 0; i < MaxCaptures; ++i) {
+        captureLabels[i]->setEnabled(i <= rx.numCaptures());
+        captureEdits[i]->setEnabled(i <= rx.numCaptures());
+        captureEdits[i]->setText(rx.cap(i));
+    }
+
+    setUpdatesEnabled(true);
+}