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Diffstat (limited to 'examples/tutorial/tpframeball.cpp')
| -rw-r--r-- | examples/tutorial/tpframeball.cpp | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/examples/tutorial/tpframeball.cpp b/examples/tutorial/tpframeball.cpp new file mode 100644 index 0000000..d69884a --- /dev/null +++ b/examples/tutorial/tpframeball.cpp @@ -0,0 +1,184 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of QtSystemTest. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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 1.1, 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "tpframeball.h" +#include <QKeyEvent> +#include <QPainter> +#include <QPaintEvent> +#include <QTextOption> + +#include <QDebug> + +TPFrameBall::TPFrameBall(QWidget *parent) : + QWidget(parent), + m_score(-1), + m_ball(-1), + m_previousBall(-1), + m_lastFrame(true) +{ + setFocusPolicy(Qt::StrongFocus); +} + +void TPFrameBall::setBall(int value) +{ + if (value < 0 || value > 10) + value = -1; + if (value == m_ball) + return; + m_ball = value; + emit ballChanged(m_ball); + updateScore(); +} + +void TPFrameBall::setPreviousBall(int value) +{ + if (value < 0 || value > 10) + value = -1; + if (m_lastFrame && value == 10) + value = -1; + if (value == m_previousBall) + return; + m_previousBall = value; + updateScore(); +} + +void TPFrameBall::mousePressEvent(QMouseEvent *event) +{ + Q_UNUSED(event); + setFocus(); +} + +void TPFrameBall::keyPressEvent(QKeyEvent *event) +{ + switch(event->key()) { + case Qt::Key_0: + if (m_ball == 1) + setBall(10); + else + setBall(0); + break; + case Qt::Key_1: + case Qt::Key_2: + case Qt::Key_3: + case Qt::Key_4: + case Qt::Key_5: + case Qt::Key_6: + case Qt::Key_7: + case Qt::Key_8: + case Qt::Key_9: + setBall(event->key() - Qt::Key_0); + break; + case Qt::Key_Backspace: + if (m_ball == 10) + setBall(1); + else + setBall(-1); + break; + case Qt::Key_X: + setBall(10); + break; + case Qt::Key_Slash: + if (m_previousBall != -1) + setBall(10 - m_previousBall); + break; + default: + break; + } +} + +void TPFrameBall::updateScore() +{ + int score = -1; + if (m_ball != -1 && m_previousBall != -1) + score = m_ball + m_previousBall; + else if (m_ball != -1) + score = m_ball; + + if (m_score != score) { + m_score = score; + emit scoreChanged(m_score); + } + + QString text; + if (isStrike()) + text = QString::fromLatin1("X"); + else if (isSpare()) + text = QString::fromLatin1("/"); + else if (m_ball == -1) + text = QString(); + else if (m_score < 0 || m_score > 10) + text = tr("E", "Error letter, not X or /"); + else + text = QString::number(m_ball); + + if (text != m_display) { + m_display = text; + update(); + } +} + +void TPFrameBall::paintEvent(QPaintEvent *event) +{ + QPainter p(this); + p.setClipRect(event->rect()); + + QPen pen(Qt::red); + QBrush brush(hasFocus() ? Qt::blue : Qt::black); + p.setPen(pen); + p.setBrush(brush); + p.drawRect(0, 0, width(), height()-1); + + pen.setColor(Qt::white); + QFont f = font(); + f.setWeight(QFont::Bold); + p.setPen(pen); + p.drawText(0, 0, width(), height(), Qt::AlignHCenter | Qt::AlignVCenter, m_display); +} + +void TPFrameBall::focusInEvent(QFocusEvent *) +{ + update(); +} + +void TPFrameBall::focusOutEvent(QFocusEvent *) +{ + update(); +} |