Long live Qt 4.5!

4 files changed, 453 insertions, 0 deletions

diff --git a/examples/tutorials/addressbook/part4/addressbook.cpp b/examples/tutorials/addressbook/part4/addressbook.cpp
new file mode 100644
index 0000000..95def9c
--- /dev/null
+++ b/examples/tutorials/addressbook/part4/addressbook.cpp
@@ -0,0 +1,291 @@
+/****************************************************************************
+**
+** 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 "addressbook.h"
+
+AddressBook::AddressBook(QWidget *parent)
+    : QWidget(parent)
+{
+    QLabel *nameLabel = new QLabel(tr("Name:"));
+    nameLine = new QLineEdit;
+    nameLine->setReadOnly(true);
+
+    QLabel *addressLabel = new QLabel(tr("Address:"));
+    addressText = new QTextEdit;
+    addressText->setReadOnly(true);
+
+    addButton = new QPushButton(tr("&Add"));
+//! [edit and remove buttons] 
+    editButton = new QPushButton(tr("&Edit"));
+    editButton->setEnabled(false);
+    removeButton = new QPushButton(tr("&Remove"));
+    removeButton->setEnabled(false);
+//! [edit and remove buttons] 
+    submitButton = new QPushButton(tr("&Submit"));
+    submitButton->hide();
+    cancelButton = new QPushButton(tr("&Cancel"));
+    cancelButton->hide();
+    
+    nextButton = new QPushButton(tr("&Next"));
+    nextButton->setEnabled(false);
+    previousButton = new QPushButton(tr("&Previous"));
+    previousButton->setEnabled(false);
+
+    connect(addButton, SIGNAL(clicked()), this, SLOT(addContact()));
+    connect(submitButton, SIGNAL(clicked()), this, SLOT(submitContact()));
+//! [connecting edit and remove] 
+    connect(editButton, SIGNAL(clicked()), this, SLOT(editContact()));
+    connect(removeButton, SIGNAL(clicked()), this, SLOT(removeContact()));
+//! [connecting edit and remove] 
+    connect(cancelButton, SIGNAL(clicked()), this, SLOT(cancel()));
+    connect(nextButton, SIGNAL(clicked()), this, SLOT(next()));
+    connect(previousButton, SIGNAL(clicked()), this, SLOT(previous()));
+
+    QVBoxLayout *buttonLayout1 = new QVBoxLayout;
+    buttonLayout1->addWidget(addButton);
+//! [adding edit and remove to the layout]     
+    buttonLayout1->addWidget(editButton);
+    buttonLayout1->addWidget(removeButton);
+//! [adding edit and remove to the layout]         
+    buttonLayout1->addWidget(submitButton);
+    buttonLayout1->addWidget(cancelButton);
+    buttonLayout1->addStretch();
+
+    QHBoxLayout *buttonLayout2 = new QHBoxLayout;
+    buttonLayout2->addWidget(previousButton);
+    buttonLayout2->addWidget(nextButton);
+
+    QGridLayout *mainLayout = new QGridLayout;
+    mainLayout->addWidget(nameLabel, 0, 0);
+    mainLayout->addWidget(nameLine, 0, 1);
+    mainLayout->addWidget(addressLabel, 1, 0, Qt::AlignTop);
+    mainLayout->addWidget(addressText, 1, 1);
+    mainLayout->addLayout(buttonLayout1, 1, 2);
+    mainLayout->addLayout(buttonLayout2, 3, 1);
+
+    setLayout(mainLayout);
+    setWindowTitle(tr("Simple Address Book"));
+}
+
+void AddressBook::addContact()
+{
+    oldName = nameLine->text();
+    oldAddress = addressText->toPlainText();
+
+    nameLine->clear();
+    addressText->clear();
+
+    updateInterface(AddingMode);
+}
+//! [editContact() function]
+void AddressBook::editContact()
+{
+    oldName = nameLine->text();
+    oldAddress = addressText->toPlainText();
+
+    updateInterface(EditingMode);
+}
+//! [editContact() function]
+//! [submitContact() function beginning]
+void AddressBook::submitContact()
+{
+//! [submitContact() function beginning]
+    QString name = nameLine->text();
+    QString address = addressText->toPlainText();
+
+    if (name == "" || address == "") {
+        QMessageBox::information(this, tr("Empty Field"),
+            tr("Please enter a name and address."));
+        return;
+    }
+//! [submitContact() function part1]
+    if (currentMode == AddingMode) {
+        
+        if (!contacts.contains(name)) {
+            contacts.insert(name, address);
+            QMessageBox::information(this, tr("Add Successful"),
+                tr("\"%1\" has been added to your address book.").arg(name));
+        } else {
+            QMessageBox::information(this, tr("Add Unsuccessful"),
+                tr("Sorry, \"%1\" is already in your address book.").arg(name));
+            return;
+        }
+//! [submitContact() function part1]
+//! [submitContact() function part2]
+    } else if (currentMode == EditingMode) {
+        
+        if (oldName != name) {
+            if (!contacts.contains(name)) {
+                QMessageBox::information(this, tr("Edit Successful"),
+                    tr("\"%1\" has been edited in your address book.").arg(oldName));
+                contacts.remove(oldName);
+                contacts.insert(name, address);
+            } else {
+                QMessageBox::information(this, tr("Edit Unsuccessful"),
+                    tr("Sorry, \"%1\" is already in your address book.").arg(name));
+                return;
+            }
+        } else if (oldAddress != address) {
+            QMessageBox::information(this, tr("Edit Successful"),
+                tr("\"%1\" has been edited in your address book.").arg(name));
+            contacts[name] = address;        
+        }
+    }
+
+    updateInterface(NavigationMode);
+}
+//! [submitContact() function part2]
+
+void AddressBook::cancel()
+{
+    nameLine->setText(oldName);
+    addressText->setText(oldAddress);
+    updateInterface(NavigationMode);
+}
+//! [removeContact() function]
+void AddressBook::removeContact()
+{
+    QString name = nameLine->text();
+    QString address = addressText->toPlainText();
+
+    if (contacts.contains(name)) {
+
+        int button = QMessageBox::question(this,
+            tr("Confirm Remove"),
+            tr("Are you sure you want to remove \"%1\"?").arg(name),
+            QMessageBox::Yes | QMessageBox::No);
+
+        if (button == QMessageBox::Yes) {
+            
+            previous();
+            contacts.remove(name);
+
+            QMessageBox::information(this, tr("Remove Successful"),
+                tr("\"%1\" has been removed from your address book.").arg(name));
+        }
+    }
+
+    updateInterface(NavigationMode);
+}
+//! [removeContact() function]
+void AddressBook::next()
+{
+    QString name = nameLine->text();
+    QMap<QString, QString>::iterator i = contacts.find(name);
+
+    if (i != contacts.end())
+        i++;
+
+    if (i == contacts.end())
+        i = contacts.begin();
+
+    nameLine->setText(i.key());
+    addressText->setText(i.value());
+}
+
+void AddressBook::previous()
+{
+    QString name = nameLine->text();
+    QMap<QString, QString>::iterator i = contacts.find(name);
+
+    if (i == contacts.end()) {
+        nameLine->clear();
+        addressText->clear();
+        return;
+    }
+
+    if (i == contacts.begin())
+        i = contacts.end();
+
+    i--;
+    nameLine->setText(i.key());
+    addressText->setText(i.value());
+}
+//! [update interface() part 1]
+void AddressBook::updateInterface(Mode mode)
+{
+    currentMode = mode;
+
+    switch (currentMode) {
+        
+    case AddingMode:
+    case EditingMode:
+
+        nameLine->setReadOnly(false);
+        nameLine->setFocus(Qt::OtherFocusReason);
+        addressText->setReadOnly(false);
+
+        addButton->setEnabled(false);
+        editButton->setEnabled(false);
+        removeButton->setEnabled(false);
+
+        nextButton->setEnabled(false);
+        previousButton->setEnabled(false);
+
+        submitButton->show();
+        cancelButton->show();
+        break;
+//! [update interface() part 1]
+//! [update interface() part 2]
+    case NavigationMode:
+
+        if (contacts.isEmpty()) {
+            nameLine->clear();
+            addressText->clear();
+        }
+
+        nameLine->setReadOnly(true);
+        addressText->setReadOnly(true);
+        addButton->setEnabled(true);
+
+        int number = contacts.size();
+        editButton->setEnabled(number >= 1);
+        removeButton->setEnabled(number >= 1);
+        nextButton->setEnabled(number > 1);
+        previousButton->setEnabled(number >1 );
+
+        submitButton->hide();
+        cancelButton->hide();
+        break;
+    }
+}
+//! [update interface() part 2]
diff --git a/examples/tutorials/addressbook/part4/addressbook.h b/examples/tutorials/addressbook/part4/addressbook.h
new file mode 100644
index 0000000..83c7af3
--- /dev/null
+++ b/examples/tutorials/addressbook/part4/addressbook.h
@@ -0,0 +1,100 @@
+/****************************************************************************
+**
+** 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 ADDRESSBOOK_H
+#define ADDRESSBOOK_H
+
+#include <QWidget>
+#include <QMap>
+
+QT_BEGIN_NAMESPACE
+class QPushButton;
+class QLabel;
+class QLineEdit;
+class QTextEdit;
+QT_END_NAMESPACE
+
+class AddressBook : public QWidget
+{
+    Q_OBJECT
+
+public:
+    AddressBook(QWidget *parent = 0);
+//! [Mode enum]
+    enum Mode { NavigationMode, AddingMode, EditingMode };
+//! [Mode enum]
+
+public slots:
+    void addContact();
+    void submitContact();
+    void cancel();
+//! [edit and remove slots]
+    void editContact();
+    void removeContact();
+//! [edit and remove slots]
+    void next();
+    void previous();
+
+private:
+//! [updateInterface() declaration]
+    void updateInterface(Mode mode);
+//! [updateInterface() declaration]
+    QPushButton *addButton;
+//! [buttons declaration]    
+    QPushButton *editButton;
+    QPushButton *removeButton;
+//! [buttons declaration]        
+    QPushButton *submitButton;
+    QPushButton *cancelButton;
+    QPushButton *nextButton;
+    QPushButton *previousButton;
+    QLineEdit *nameLine;
+    QTextEdit *addressText;
+
+    QMap<QString, QString> contacts;
+    QString oldName;
+    QString oldAddress;
+//! [mode declaration]    
+    Mode currentMode;
+//! [mode declaration]    
+};
+
+#endif
diff --git a/examples/tutorials/addressbook/part4/main.cpp b/examples/tutorials/addressbook/part4/main.cpp
new file mode 100644
index 0000000..b25d656
--- /dev/null
+++ b/examples/tutorials/addressbook/part4/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 <QtGui>
+#include "addressbook.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+
+    AddressBook *addressBook = new AddressBook;
+    addressBook->show();
+
+    return app.exec();
+}
diff --git a/examples/tutorials/addressbook/part4/part4.pro b/examples/tutorials/addressbook/part4/part4.pro
new file mode 100644
index 0000000..23ce3e6
--- /dev/null
+++ b/examples/tutorials/addressbook/part4/part4.pro
@@ -0,0 +1,9 @@
+SOURCES = addressbook.cpp \
+          main.cpp
+HEADERS = addressbook.h
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/tutorials/addressbook/part4
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS part4.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/tutorials/addressbook/part4
+INSTALLS += target sources