Example Qt application.

diff --git a/qt-win/application.qrc b/qt-win/application.qrc
new file mode 100644 (file)
index 0000000..986ac3b
--- /dev/null
+++ b/qt-win/application.qrc
@@ -0,0 +1,10 @@
+<!DOCTYPE RCC><RCC version="1.0">
+    <qresource>
+        <file>copy.png</file>
+        <file>cut.png</file>
+        <file>new.png</file>
+        <file>open.png</file>
+        <file>paste.png</file>
+        <file>save.png</file>
+    </qresource>
+    </RCC>
\ No newline at end of file

diff --git a/qt-win/copy.png b/qt-win/copy.png
new file mode 100644 (file)
index 0000000..9d12fc2
Binary files /dev/null and b/qt-win/copy.png differ

diff --git a/qt-win/cut.png b/qt-win/cut.png
new file mode 100644 (file)
index 0000000..2fb9af4
Binary files /dev/null and b/qt-win/cut.png differ

diff --git a/qt-win/example.pro b/qt-win/example.pro
new file mode 100644 (file)
index 0000000..2b0975d
--- /dev/null
+++ b/qt-win/example.pro
@@ -0,0 +1,16 @@
+# Simple application example from:
+#   http://doc.trolltech.com/4.0/mainwindows-application.html
+#
+# Process this file with
+#   QMAKESPEC=fedora-win32-cross qmake-qt4 -win32 example.pro
+# and then run 'make'.
+
+TEMPLATE        = app
+TARGET          = example
+
+CONFIG          += qt warn_on
+
+HEADERS         = mainwindow.h
+SOURCES         = mainwindow.cpp main.cpp
+
+RESOURCES       += application.qrc

diff --git a/qt-win/main.cpp b/qt-win/main.cpp
new file mode 100644 (file)
index 0000000..4024c69
--- /dev/null
+++ b/qt-win/main.cpp
@@ -0,0 +1,36 @@
+/****************************************************************************
+    **
+    ** Copyright (C) 2004-2005 Trolltech AS. All rights reserved.
+    **
+    ** This file is part of the documentation of the Qt Toolkit.
+    **
+    ** This file may be used under the terms of the GNU General Public
+** License version 2.0 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 GNU
+** General Public Licensing requirements will be met:
+** http://www.trolltech.com/products/qt/opensource.html
+**
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://www.trolltech.com/products/qt/licensing.html or contact the
+** sales department at sales@trolltech.com.
+    **
+    ** 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 <QApplication>
+
+    #include "mainwindow.h"
+
+    int main(int argc, char *argv[])
+    {
+        Q_INIT_RESOURCE(application);
+
+        QApplication app(argc, argv);
+        MainWindow mainWin;
+        mainWin.show();
+        return app.exec();
+    }

diff --git a/qt-win/mainwindow.cpp b/qt-win/mainwindow.cpp
new file mode 100644 (file)
index 0000000..faa104f
--- /dev/null
+++ b/qt-win/mainwindow.cpp
@@ -0,0 +1,296 @@
+/****************************************************************************
+    **
+    ** Copyright (C) 2004-2005 Trolltech AS. All rights reserved.
+    **
+    ** This file is part of the documentation of the Qt Toolkit.
+    **
+    ** This file may be used under the terms of the GNU General Public
+** License version 2.0 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 GNU
+** General Public Licensing requirements will be met:
+** http://www.trolltech.com/products/qt/opensource.html
+**
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://www.trolltech.com/products/qt/licensing.html or contact the
+** sales department at sales@trolltech.com.
+    **
+    ** 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 <QtGui>
+
+    #include "mainwindow.h"
+
+    MainWindow::MainWindow()
+    {
+        textEdit = new QTextEdit;
+        setCentralWidget(textEdit);
+
+        createActions();
+        createMenus();
+        createToolBars();
+        createStatusBar();
+
+        readSettings();
+
+        connect(textEdit->document(), SIGNAL(contentsChanged()),
+                this, SLOT(documentWasModified()));
+
+        setCurrentFile("");
+    }
+
+    void MainWindow::closeEvent(QCloseEvent *event)
+    {
+        if (maybeSave()) {
+            writeSettings();
+            event->accept();
+        } else {
+            event->ignore();
+        }
+    }
+
+    void MainWindow::newFile()
+    {
+        if (maybeSave()) {
+            textEdit->clear();
+            setCurrentFile("");
+        }
+    }
+
+    void MainWindow::open()
+    {
+        if (maybeSave()) {
+            QString fileName = QFileDialog::getOpenFileName(this);
+            if (!fileName.isEmpty())
+                loadFile(fileName);
+        }
+    }
+
+    bool MainWindow::save()
+    {
+        if (curFile.isEmpty()) {
+            return saveAs();
+        } else {
+            return saveFile(curFile);
+        }
+    }
+
+    bool MainWindow::saveAs()
+    {
+        QString fileName = QFileDialog::getSaveFileName(this);
+        if (fileName.isEmpty())
+            return false;
+
+        return saveFile(fileName);
+    }
+
+    void MainWindow::about()
+    {
+       QMessageBox::about(this, tr("About Application"),
+                tr("The <b>Application</b> example demonstrates how to "
+                   "write modern GUI applications using Qt, with a menu bar, "
+                   "toolbars, and a status bar."));
+    }
+
+    void MainWindow::documentWasModified()
+    {
+        setWindowModified(true);
+    }
+
+    void MainWindow::createActions()
+    {
+        newAct = new QAction(QIcon(":/images/new.png"), tr("&New"), this);
+        newAct->setShortcut(tr("Ctrl+N"));
+        newAct->setStatusTip(tr("Create a new file"));
+        connect(newAct, SIGNAL(triggered()), this, SLOT(newFile()));
+
+        openAct = new QAction(QIcon(":/images/open.png"), tr("&Open..."), this);
+        openAct->setShortcut(tr("Ctrl+O"));
+        openAct->setStatusTip(tr("Open an existing file"));
+        connect(openAct, SIGNAL(triggered()), this, SLOT(open()));
+
+        saveAct = new QAction(QIcon(":/images/save.png"), tr("&Save"), this);
+        saveAct->setShortcut(tr("Ctrl+S"));
+        saveAct->setStatusTip(tr("Save the document to disk"));
+        connect(saveAct, SIGNAL(triggered()), this, SLOT(save()));
+
+        saveAsAct = new QAction(tr("Save &As..."), this);
+        saveAsAct->setStatusTip(tr("Save the document under a new name"));
+        connect(saveAsAct, SIGNAL(triggered()), this, SLOT(saveAs()));
+
+        exitAct = new QAction(tr("E&xit"), this);
+        exitAct->setShortcut(tr("Ctrl+Q"));
+        exitAct->setStatusTip(tr("Exit the application"));
+        connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
+
+        cutAct = new QAction(QIcon(":/images/cut.png"), tr("Cu&t"), this);
+        cutAct->setShortcut(tr("Ctrl+X"));
+        cutAct->setStatusTip(tr("Cut the current selection's contents to the "
+                                "clipboard"));
+        connect(cutAct, SIGNAL(triggered()), textEdit, SLOT(cut()));
+
+        copyAct = new QAction(QIcon(":/images/copy.png"), tr("&Copy"), this);
+        copyAct->setShortcut(tr("Ctrl+C"));
+        copyAct->setStatusTip(tr("Copy the current selection's contents to the "
+                                 "clipboard"));
+        connect(copyAct, SIGNAL(triggered()), textEdit, SLOT(copy()));
+
+        pasteAct = new QAction(QIcon(":/images/paste.png"), tr("&Paste"), this);
+        pasteAct->setShortcut(tr("Ctrl+V"));
+        pasteAct->setStatusTip(tr("Paste the clipboard's contents into the current "
+                                  "selection"));
+        connect(pasteAct, SIGNAL(triggered()), textEdit, SLOT(paste()));
+
+        aboutAct = new QAction(tr("&About"), this);
+        aboutAct->setStatusTip(tr("Show the application's About box"));
+        connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
+
+        aboutQtAct = new QAction(tr("About &Qt"), this);
+        aboutQtAct->setStatusTip(tr("Show the Qt library's About box"));
+        connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
+
+        cutAct->setEnabled(false);
+        copyAct->setEnabled(false);
+        connect(textEdit, SIGNAL(copyAvailable(bool)),
+                cutAct, SLOT(setEnabled(bool)));
+        connect(textEdit, SIGNAL(copyAvailable(bool)),
+                copyAct, SLOT(setEnabled(bool)));
+    }
+
+    void MainWindow::createMenus()
+    {
+        fileMenu = menuBar()->addMenu(tr("&File"));
+        fileMenu->addAction(newAct);
+        fileMenu->addAction(openAct);
+        fileMenu->addAction(saveAct);
+        fileMenu->addAction(saveAsAct);
+        fileMenu->addSeparator();
+        fileMenu->addAction(exitAct);
+
+        editMenu = menuBar()->addMenu(tr("&Edit"));
+        editMenu->addAction(cutAct);
+        editMenu->addAction(copyAct);
+        editMenu->addAction(pasteAct);
+
+        menuBar()->addSeparator();
+
+        helpMenu = menuBar()->addMenu(tr("&Help"));
+        helpMenu->addAction(aboutAct);
+        helpMenu->addAction(aboutQtAct);
+    }
+
+    void MainWindow::createToolBars()
+    {
+        fileToolBar = addToolBar(tr("File"));
+        fileToolBar->addAction(newAct);
+        fileToolBar->addAction(openAct);
+        fileToolBar->addAction(saveAct);
+
+        editToolBar = addToolBar(tr("Edit"));
+        editToolBar->addAction(cutAct);
+        editToolBar->addAction(copyAct);
+        editToolBar->addAction(pasteAct);
+    }
+
+    void MainWindow::createStatusBar()
+    {
+        statusBar()->showMessage(tr("Ready"));
+    }
+
+    void MainWindow::readSettings()
+    {
+        QSettings settings("Trolltech", "Application Example");
+        QPoint pos = settings.value("pos", QPoint(200, 200)).toPoint();
+        QSize size = settings.value("size", QSize(400, 400)).toSize();
+        resize(size);
+        move(pos);
+    }
+
+    void MainWindow::writeSettings()
+    {
+        QSettings settings("Trolltech", "Application Example");
+        settings.setValue("pos", pos());
+        settings.setValue("size", size());
+    }
+
+    bool MainWindow::maybeSave()
+    {
+        if (textEdit->document()->isModified()) {
+            int ret = QMessageBox::warning(this, tr("Application"),
+                         tr("The document has been modified.\n"
+                            "Do you want to save your changes?"),
+                         QMessageBox::Yes | QMessageBox::Default,
+                         QMessageBox::No,
+                         QMessageBox::Cancel | QMessageBox::Escape);
+            if (ret == QMessageBox::Yes)
+                return save();
+            else if (ret == QMessageBox::Cancel)
+                return false;
+        }
+        return true;
+    }
+
+    void MainWindow::loadFile(const QString &fileName)
+    {
+        QFile file(fileName);
+        if (!file.open(QFile::ReadOnly | QFile::Text)) {
+            QMessageBox::warning(this, tr("Application"),
+                                 tr("Cannot read file %1:\n%2.")
+                                 .arg(fileName)
+                                 .arg(file.errorString()));
+            return;
+        }
+
+        QTextStream in(&file);
+        QApplication::setOverrideCursor(Qt::WaitCursor);
+        textEdit->setPlainText(in.readAll());
+        QApplication::restoreOverrideCursor();
+
+        setCurrentFile(fileName);
+        statusBar()->showMessage(tr("File loaded"), 2000);
+    }
+
+    bool MainWindow::saveFile(const QString &fileName)
+    {
+        QFile file(fileName);
+        if (!file.open(QFile::WriteOnly | QFile::Text)) {
+            QMessageBox::warning(this, tr("Application"),
+                                 tr("Cannot write file %1:\n%2.")
+                                 .arg(fileName)
+                                 .arg(file.errorString()));
+            return false;
+        }
+
+        QTextStream out(&file);
+        QApplication::setOverrideCursor(Qt::WaitCursor);
+        out << textEdit->toPlainText();
+        QApplication::restoreOverrideCursor();
+
+        setCurrentFile(fileName);
+        statusBar()->showMessage(tr("File saved"), 2000);
+        return true;
+    }
+
+    void MainWindow::setCurrentFile(const QString &fileName)
+    {
+        curFile = fileName;
+        textEdit->document()->setModified(false);
+        setWindowModified(false);
+
+        QString shownName;
+        if (curFile.isEmpty())
+            shownName = "untitled.txt";
+        else
+            shownName = strippedName(curFile);
+
+        setWindowTitle(tr("%1[*] - %2").arg(shownName).arg(tr("Application")));
+    }
+
+    QString MainWindow::strippedName(const QString &fullFileName)
+    {
+        return QFileInfo(fullFileName).fileName();
+    }

diff --git a/qt-win/mainwindow.h b/qt-win/mainwindow.h
new file mode 100644 (file)
index 0000000..4fef93d
--- /dev/null
+++ b/qt-win/mainwindow.h
@@ -0,0 +1,84 @@
+/****************************************************************************
+    **
+    ** Copyright (C) 2004-2005 Trolltech AS. All rights reserved.
+    **
+    ** This file is part of the documentation of the Qt Toolkit.
+    **
+    ** This file may be used under the terms of the GNU General Public
+** License version 2.0 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 GNU
+** General Public Licensing requirements will be met:
+** http://www.trolltech.com/products/qt/opensource.html
+**
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://www.trolltech.com/products/qt/licensing.html or contact the
+** sales department at sales@trolltech.com.
+    **
+    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+    **
+    ****************************************************************************/
+
+    #ifndef MAINWINDOW_H
+    #define MAINWINDOW_H
+
+    #include <QMainWindow>
+
+    class QAction;
+    class QMenu;
+    class QTextEdit;
+
+    class MainWindow : public QMainWindow
+    {
+        Q_OBJECT
+
+    public:
+        MainWindow();
+
+    protected:
+        void closeEvent(QCloseEvent *event);
+
+    private slots:
+        void newFile();
+        void open();
+        bool save();
+        bool saveAs();
+        void about();
+        void documentWasModified();
+
+    private:
+        void createActions();
+        void createMenus();
+        void createToolBars();
+        void createStatusBar();
+        void readSettings();
+        void writeSettings();
+        bool maybeSave();
+        void loadFile(const QString &fileName);
+        bool saveFile(const QString &fileName);
+        void setCurrentFile(const QString &fileName);
+        QString strippedName(const QString &fullFileName);
+
+        QTextEdit *textEdit;
+        QString curFile;
+
+        QMenu *fileMenu;
+        QMenu *editMenu;
+        QMenu *helpMenu;
+        QToolBar *fileToolBar;
+        QToolBar *editToolBar;
+        QAction *newAct;
+        QAction *openAct;
+        QAction *saveAct;
+        QAction *saveAsAct;
+        QAction *exitAct;
+        QAction *cutAct;
+        QAction *copyAct;
+        QAction *pasteAct;
+        QAction *aboutAct;
+        QAction *aboutQtAct;
+    };
+
+    #endif

diff --git a/qt-win/new.png b/qt-win/new.png
new file mode 100644 (file)
index 0000000..5777e26
Binary files /dev/null and b/qt-win/new.png differ

diff --git a/qt-win/open.png b/qt-win/open.png
new file mode 100644 (file)
index 0000000..a847203
Binary files /dev/null and b/qt-win/open.png differ

diff --git a/qt-win/paste.png b/qt-win/paste.png
new file mode 100644 (file)
index 0000000..8108bb8
Binary files /dev/null and b/qt-win/paste.png differ

diff --git a/qt-win/save.png b/qt-win/save.png
new file mode 100644 (file)
index 0000000..8e2b5fe
Binary files /dev/null and b/qt-win/save.png differ