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authorJason Barron <jbarron@trolltech.com>2009-08-10 06:56:35 (GMT)
committerJason Barron <jbarron@trolltech.com>2009-08-10 06:56:35 (GMT)
commitf61ec84fc296c6f70011e30788ee511d6b6a18c6 (patch)
tree54b3b81ac83570e65dc9b44b6756005f6ba1efde /examples/statemachine/rogue/window.cpp
parentcc0a411e5e874aa224c26298a109973cb15ea291 (diff)
parentd13418effc5f00474541ae513a30c9a42c2a1cb3 (diff)
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Merge commit 'qt/master-stable'
Conflicts: src/corelib/kernel/qobject.cpp src/corelib/tools/qsharedpointer_impl.h src/gui/widgets/qdatetimeedit.cpp src/gui/widgets/qlinecontrol.cpp src/gui/widgets/qlineedit.cpp tests/auto/qcssparser/qcssparser.pro tests/auto/qicoimageformat/tst_qicoimageformat.cpp tests/auto/qmultiscreen/qmultiscreen.pro tests/auto/qresourceengine/qresourceengine.pro tests/auto/qresourceengine/tst_qresourceengine.cpp tests/auto/qscriptv8testsuite/tst_qscriptv8testsuite.cpp
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diff --git a/examples/statemachine/rogue/window.cpp b/examples/statemachine/rogue/window.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "window.h"
+#include "movementtransition.h"
+
+//![0]
+Window::Window()
+{
+ pX = 5;
+ pY = 5;
+//![0]
+
+ QFontDatabase database;
+ QFont font;
+ if (database.families().contains("Monospace"))
+ font = QFont("Monospace", 12);
+ else {
+ foreach (QString family, database.families()) {
+ if (database.isFixedPitch(family)) {
+ font = QFont(family, 12);
+ break;
+ }
+ }
+ }
+ setFont(font);
+
+//![1]
+ setupMap();
+ buildMachine();
+}
+//![1]
+
+void Window::setStatus(const QString &status)
+{
+ myStatus = status;
+ repaint();
+}
+
+QString Window::status() const
+{
+ return myStatus;
+}
+
+void Window::paintEvent(QPaintEvent * /* event */)
+{
+ QFontMetrics metrics(font());
+ QPainter painter(this);
+ int fontHeight = metrics.height();
+ int fontWidth = metrics.width('X');
+ int yPos = fontHeight;
+ int xPos;
+
+ painter.fillRect(rect(), Qt::black);
+ painter.setPen(Qt::white);
+
+ painter.drawText(QPoint(0, yPos), status());
+
+ for (int y = 0; y < HEIGHT; ++y) {
+ yPos += fontHeight;
+ xPos = 0;
+
+ for (int x = 0; x < WIDTH; ++x) {
+ if (y == pY && x == pX) {
+ xPos += fontWidth;
+ continue;
+ }
+
+ painter.drawText(QPoint(xPos, yPos), map[x][y]);
+ xPos += fontWidth;
+ }
+ }
+ painter.drawText(QPoint(pX * fontWidth, (pY + 2) * fontHeight), QChar('@'));
+}
+
+QSize Window::sizeHint() const
+{
+ QFontMetrics metrics(font());
+
+ return QSize(metrics.width('X') * WIDTH, metrics.height() * (HEIGHT + 1));
+}
+
+//![2]
+void Window::buildMachine()
+{
+ machine = new QStateMachine;
+
+ QState *inputState = new QState(machine);
+ inputState->assignProperty(this, "status", "Move the rogue with 2, 4, 6, and 8");
+
+ MovementTransition *transition = new MovementTransition(this);
+ inputState->addTransition(transition);
+//![2]
+
+//![3]
+ QState *quitState = new QState(machine);
+ quitState->assignProperty(this, "status", "Really quit(y/n)?");
+
+ QKeyEventTransition *yesTransition = new
+ QKeyEventTransition(this, QEvent::KeyPress, Qt::Key_Y);
+ yesTransition->setTargetState(new QFinalState(machine));
+ quitState->addTransition(yesTransition);
+
+ QKeyEventTransition *noTransition =
+ new QKeyEventTransition(this, QEvent::KeyPress, Qt::Key_N);
+ noTransition->setTargetState(inputState);
+ quitState->addTransition(noTransition);
+//![3]
+
+//![4]
+ QKeyEventTransition *quitTransition =
+ new QKeyEventTransition(this, QEvent::KeyPress, Qt::Key_Q);
+ quitTransition->setTargetState(quitState);
+ inputState->addTransition(quitTransition);
+//![4]
+
+//![5]
+ machine->setInitialState(inputState);
+
+ connect(machine, SIGNAL(finished()), qApp, SLOT(quit()));
+
+ machine->start();
+}
+//![5]
+
+void Window::movePlayer(Direction direction)
+{
+ switch (direction) {
+ case Left:
+ if (map[pX - 1][pY] != '#')
+ --pX;
+ break;
+ case Right:
+ if (map[pX + 1][pY] != '#')
+ ++pX;
+ break;
+ case Up:
+ if (map[pX][pY - 1] != '#')
+ --pY;
+ break;
+ case Down:
+ if (map[pX][pY + 1] != '#')
+ ++pY;
+ break;
+ }
+ repaint();
+}
+
+void Window::setupMap()
+{
+ qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
+
+ for (int x = 0; x < WIDTH; ++x)
+ for (int y = 0; y < HEIGHT; ++y) {
+ if (x == 0 || x == WIDTH - 1 || y == 0 || y == HEIGHT - 1 || qrand() % 40 == 0)
+ map[x][y] = '#';
+ else
+ map[x][y] = '.';
+ }
+}
+