0748751c9f
(4.7-generated-declarative branch).
207 lines
5.7 KiB
C++
207 lines
5.7 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the documentation of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtGui>
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#include "window.h"
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#include "movementtransition.h"
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//![0]
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Window::Window()
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{
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pX = 5;
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pY = 5;
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//![0]
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QFontDatabase database;
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QFont font;
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if (database.families().contains("Monospace")) {
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font = QFont("Monospace");
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}
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else {
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foreach (QString family, database.families()) {
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if (database.isFixedPitch(family)) {
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font = QFont(family);
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break;
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}
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}
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}
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#if defined(Q_OS_SYMBIAN) || defined(Q_WS_SIMULATOR)
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font.setPointSize(5);
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#else
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font.setPointSize(12);
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#endif
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setFont(font);
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//![1]
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setupMap();
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buildMachine();
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}
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//![1]
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void Window::setStatus(const QString &status)
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{
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myStatus = status;
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repaint();
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}
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QString Window::status() const
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{
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return myStatus;
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}
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void Window::paintEvent(QPaintEvent * /* event */)
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{
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QFontMetrics metrics(font());
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QPainter painter(this);
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int fontHeight = metrics.height();
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int fontWidth = metrics.width('X');
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int yPos = fontHeight;
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int xPos;
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painter.fillRect(rect(), Qt::black);
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painter.setPen(Qt::white);
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painter.drawText(QPoint(0, yPos), status());
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for (int y = 0; y < HEIGHT; ++y) {
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yPos += fontHeight;
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xPos = 0;
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for (int x = 0; x < WIDTH; ++x) {
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if (y == pY && x == pX) {
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xPos += fontWidth;
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continue;
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}
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painter.drawText(QPoint(xPos, yPos), map[x][y]);
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xPos += fontWidth;
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}
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}
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painter.drawText(QPoint(pX * fontWidth, (pY + 2) * fontHeight), QChar('@'));
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}
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QSize Window::sizeHint() const
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{
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QFontMetrics metrics(font());
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return QSize(metrics.width('X') * WIDTH, metrics.height() * (HEIGHT + 1));
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}
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//![2]
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void Window::buildMachine()
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{
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machine = new QStateMachine;
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QState *inputState = new QState(machine);
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inputState->assignProperty(this, "status", "Move the rogue with 2, 4, 6, and 8");
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MovementTransition *transition = new MovementTransition(this);
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inputState->addTransition(transition);
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//![2]
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//![3]
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QState *quitState = new QState(machine);
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quitState->assignProperty(this, "status", "Really quit(y/n)?");
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QKeyEventTransition *yesTransition = new
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QKeyEventTransition(this, QEvent::KeyPress, Qt::Key_Y);
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yesTransition->setTargetState(new QFinalState(machine));
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quitState->addTransition(yesTransition);
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QKeyEventTransition *noTransition =
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new QKeyEventTransition(this, QEvent::KeyPress, Qt::Key_N);
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noTransition->setTargetState(inputState);
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quitState->addTransition(noTransition);
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//![3]
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//![4]
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QKeyEventTransition *quitTransition =
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new QKeyEventTransition(this, QEvent::KeyPress, Qt::Key_Q);
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quitTransition->setTargetState(quitState);
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inputState->addTransition(quitTransition);
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//![4]
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//![5]
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machine->setInitialState(inputState);
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connect(machine, SIGNAL(finished()), qApp, SLOT(quit()));
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machine->start();
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}
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//![5]
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void Window::movePlayer(Direction direction)
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{
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switch (direction) {
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case Left:
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if (map[pX - 1][pY] != '#')
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--pX;
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break;
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case Right:
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if (map[pX + 1][pY] != '#')
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++pX;
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break;
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case Up:
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if (map[pX][pY - 1] != '#')
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--pY;
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break;
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case Down:
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if (map[pX][pY + 1] != '#')
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++pY;
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break;
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}
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repaint();
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}
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void Window::setupMap()
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{
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qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
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for (int x = 0; x < WIDTH; ++x)
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for (int y = 0; y < HEIGHT; ++y) {
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if (x == 0 || x == WIDTH - 1 || y == 0 || y == HEIGHT - 1 || qrand() % 40 == 0)
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map[x][y] = '#';
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else
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map[x][y] = '.';
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}
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}
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