Long live Qt!

6 files changed, 509 insertions, 0 deletions

diff --git a/examples/richtext/syntaxhighlighter/highlighter.cpp b/examples/richtext/syntaxhighlighter/highlighter.cpp
new file mode 100644
index 0000000..5d9939d
--- /dev/null
+++ b/examples/richtext/syntaxhighlighter/highlighter.cpp
@@ -0,0 +1,148 @@
+/****************************************************************************
+**
+** 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 "highlighter.h"
+
+//! [0]
+Highlighter::Highlighter(QTextDocument *parent)
+    : QSyntaxHighlighter(parent)
+{
+    HighlightingRule rule;
+
+    keywordFormat.setForeground(Qt::darkBlue);
+    keywordFormat.setFontWeight(QFont::Bold);
+    QStringList keywordPatterns;
+    keywordPatterns << "\\bchar\\b" << "\\bclass\\b" << "\\bconst\\b"
+                    << "\\bdouble\\b" << "\\benum\\b" << "\\bexplicit\\b"
+                    << "\\bfriend\\b" << "\\binline\\b" << "\\bint\\b"
+                    << "\\blong\\b" << "\\bnamespace\\b" << "\\boperator\\b"
+                    << "\\bprivate\\b" << "\\bprotected\\b" << "\\bpublic\\b"
+                    << "\\bshort\\b" << "\\bsignals\\b" << "\\bsigned\\b"
+                    << "\\bslots\\b" << "\\bstatic\\b" << "\\bstruct\\b"
+                    << "\\btemplate\\b" << "\\btypedef\\b" << "\\btypename\\b"
+                    << "\\bunion\\b" << "\\bunsigned\\b" << "\\bvirtual\\b"
+                    << "\\bvoid\\b" << "\\bvolatile\\b";
+    foreach (const QString &pattern, keywordPatterns) {
+        rule.pattern = QRegExp(pattern);
+        rule.format = keywordFormat;
+        highlightingRules.append(rule);
+//! [0] //! [1]
+    }
+//! [1]
+
+//! [2]
+    classFormat.setFontWeight(QFont::Bold);
+    classFormat.setForeground(Qt::darkMagenta);
+    rule.pattern = QRegExp("\\bQ[A-Za-z]+\\b");
+    rule.format = classFormat;
+    highlightingRules.append(rule);
+//! [2]
+
+//! [3]
+    singleLineCommentFormat.setForeground(Qt::red);
+    rule.pattern = QRegExp("//[^\n]*");
+    rule.format = singleLineCommentFormat;
+    highlightingRules.append(rule);
+
+    multiLineCommentFormat.setForeground(Qt::red);
+//! [3]
+
+//! [4]
+    quotationFormat.setForeground(Qt::darkGreen);
+    rule.pattern = QRegExp("\".*\"");
+    rule.format = quotationFormat;
+    highlightingRules.append(rule);
+//! [4]
+
+//! [5]
+    functionFormat.setFontItalic(true);
+    functionFormat.setForeground(Qt::blue);
+    rule.pattern = QRegExp("\\b[A-Za-z0-9_]+(?=\\()");
+    rule.format = functionFormat;
+    highlightingRules.append(rule);
+//! [5]
+
+//! [6]
+    commentStartExpression = QRegExp("/\\*");
+    commentEndExpression = QRegExp("\\*/");
+}
+//! [6]
+
+//! [7]
+void Highlighter::highlightBlock(const QString &text)
+{
+    foreach (const HighlightingRule &rule, highlightingRules) {
+        QRegExp expression(rule.pattern);
+        int index = expression.indexIn(text);
+        while (index >= 0) {
+            int length = expression.matchedLength();
+            setFormat(index, length, rule.format);
+            index = expression.indexIn(text, index + length);
+        }
+    }
+//! [7] //! [8]
+    setCurrentBlockState(0);
+//! [8]
+
+//! [9]
+    int startIndex = 0;
+    if (previousBlockState() != 1)
+        startIndex = commentStartExpression.indexIn(text);
+
+//! [9] //! [10]
+    while (startIndex >= 0) {
+//! [10] //! [11]
+        int endIndex = commentEndExpression.indexIn(text, startIndex);
+        int commentLength;
+        if (endIndex == -1) {
+            setCurrentBlockState(1);
+            commentLength = text.length() - startIndex;
+        } else {
+            commentLength = endIndex - startIndex
+                            + commentEndExpression.matchedLength();
+        }
+        setFormat(startIndex, commentLength, multiLineCommentFormat);
+        startIndex = commentStartExpression.indexIn(text, startIndex + commentLength);
+    }
+}
+//! [11]
diff --git a/examples/richtext/syntaxhighlighter/highlighter.h b/examples/richtext/syntaxhighlighter/highlighter.h
new file mode 100644
index 0000000..2774212
--- /dev/null
+++ b/examples/richtext/syntaxhighlighter/highlighter.h
@@ -0,0 +1,85 @@
+/****************************************************************************
+**
+** 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef HIGHLIGHTER_H
+#define HIGHLIGHTER_H
+
+#include <QSyntaxHighlighter>
+
+#include <QHash>
+#include <QTextCharFormat>
+
+QT_BEGIN_NAMESPACE
+class QTextDocument;
+QT_END_NAMESPACE
+
+//! [0]
+class Highlighter : public QSyntaxHighlighter
+{
+    Q_OBJECT
+
+public:
+    Highlighter(QTextDocument *parent = 0);
+
+protected:
+    void highlightBlock(const QString &text);
+
+private:
+    struct HighlightingRule
+    {
+        QRegExp pattern;
+        QTextCharFormat format;
+    };
+    QVector<HighlightingRule> highlightingRules;
+
+    QRegExp commentStartExpression;
+    QRegExp commentEndExpression;
+
+    QTextCharFormat keywordFormat;
+    QTextCharFormat classFormat;
+    QTextCharFormat singleLineCommentFormat;
+    QTextCharFormat multiLineCommentFormat;
+    QTextCharFormat quotationFormat;
+    QTextCharFormat functionFormat;
+};
+//! [0]
+
+#endif
diff --git a/examples/richtext/syntaxhighlighter/main.cpp b/examples/richtext/syntaxhighlighter/main.cpp
new file mode 100644
index 0000000..fbb822d
--- /dev/null
+++ b/examples/richtext/syntaxhighlighter/main.cpp
@@ -0,0 +1,53 @@
+/****************************************************************************
+**
+** 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 <QApplication>
+
+#include "mainwindow.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    MainWindow window;
+    window.resize(640, 512);
+    window.show();
+    return app.exec();
+}
diff --git a/examples/richtext/syntaxhighlighter/mainwindow.cpp b/examples/richtext/syntaxhighlighter/mainwindow.cpp
new file mode 100644
index 0000000..a6312f9
--- /dev/null
+++ b/examples/richtext/syntaxhighlighter/mainwindow.cpp
@@ -0,0 +1,130 @@
+/****************************************************************************
+**
+** 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 "mainwindow.h"
+
+//! [0]
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent)
+{
+    setupFileMenu();
+    setupHelpMenu();
+    setupEditor();
+
+    setCentralWidget(editor);
+    setWindowTitle(tr("Syntax Highlighter"));
+}
+//! [0]
+
+void MainWindow::about()
+{
+    QMessageBox::about(this, tr("About Syntax Highlighter"),
+                tr("<p>The <b>Syntax Highlighter</b> example shows how " \
+                   "to perform simple syntax highlighting by subclassing " \
+                   "the QSyntaxHighlighter class and describing " \
+                   "highlighting rules using regular expressions.</p>"));
+}
+
+void MainWindow::newFile()
+{
+    editor->clear();
+}
+
+void MainWindow::openFile(const QString &path)
+{
+    QString fileName = path;
+
+    if (fileName.isNull())
+        fileName = QFileDialog::getOpenFileName(this,
+            tr("Open File"), "", "C++ Files (*.cpp *.h)");
+
+    if (!fileName.isEmpty()) {
+        QFile file(fileName);
+        if (file.open(QFile::ReadOnly | QFile::Text))
+            editor->setPlainText(file.readAll());
+    }
+}
+
+//! [1]
+void MainWindow::setupEditor()
+{
+    QFont font;
+    font.setFamily("Courier");
+    font.setFixedPitch(true);
+    font.setPointSize(10);
+
+    editor = new QTextEdit;
+    editor->setFont(font);
+
+    highlighter = new Highlighter(editor->document());
+
+    QFile file("mainwindow.h");
+    if (file.open(QFile::ReadOnly | QFile::Text))
+        editor->setPlainText(file.readAll());
+}
+//! [1]
+
+void MainWindow::setupFileMenu()
+{
+    QMenu *fileMenu = new QMenu(tr("&File"), this);
+    menuBar()->addMenu(fileMenu);
+
+    fileMenu->addAction(tr("&New"), this, SLOT(newFile()),
+                        QKeySequence(tr("Ctrl+N",
+                                        "File|New")));
+    fileMenu->addAction(tr("&Open..."), this, SLOT(openFile()),
+                        QKeySequence(tr("Ctrl+O",
+                                        "File|Open")));
+    fileMenu->addAction(tr("E&xit"), qApp, SLOT(quit()),
+                        QKeySequence(tr("Ctrl+Q",
+                                        "File|Exit")));
+}
+
+void MainWindow::setupHelpMenu()
+{
+    QMenu *helpMenu = new QMenu(tr("&Help"), this);
+    menuBar()->addMenu(helpMenu);
+
+    helpMenu->addAction(tr("&About"), this, SLOT(about()));
+    helpMenu->addAction(tr("About &Qt"), qApp, SLOT(aboutQt()));
+}
diff --git a/examples/richtext/syntaxhighlighter/mainwindow.h b/examples/richtext/syntaxhighlighter/mainwindow.h
new file mode 100644
index 0000000..12334ab
--- /dev/null
+++ b/examples/richtext/syntaxhighlighter/mainwindow.h
@@ -0,0 +1,76 @@
+/****************************************************************************
+**
+** 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+
+#include "highlighter.h"
+
+QT_BEGIN_NAMESPACE
+class QTextEdit;
+QT_END_NAMESPACE
+
+//! [0]
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    MainWindow(QWidget *parent = 0);
+
+public slots:
+    void about();
+    void newFile();
+    void openFile(const QString &path = QString());
+
+private:
+    void setupEditor();
+    void setupFileMenu();
+    void setupHelpMenu();
+
+    QTextEdit *editor;
+    Highlighter *highlighter;
+};
+//! [0]
+
+#endif
diff --git a/examples/richtext/syntaxhighlighter/syntaxhighlighter.pro b/examples/richtext/syntaxhighlighter/syntaxhighlighter.pro
new file mode 100644
index 0000000..b861970
--- /dev/null
+++ b/examples/richtext/syntaxhighlighter/syntaxhighlighter.pro
@@ -0,0 +1,17 @@
+HEADERS         = highlighter.h \
+                  mainwindow.h
+SOURCES         = highlighter.cpp \
+                  mainwindow.cpp \
+                  main.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/richtext/syntaxhighlighter
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS syntaxhighlighter.pro examples
+sources.path = $$[QT_INSTALL_EXAMPLES]/richtext/syntaxhighlighter
+INSTALLS += target sources
+
+wince*: {
+   addFiles.sources = main.cpp mainwindow.cpp
+   addFiles.path = .
+   DEPLOYMENT += addFiles
+}