[2] | 1 | /****************************************************************************
|
---|
| 2 | **
|
---|
[651] | 3 | ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
|
---|
[561] | 4 | ** All rights reserved.
|
---|
| 5 | ** Contact: Nokia Corporation ([email protected])
|
---|
[2] | 6 | **
|
---|
| 7 | ** This file is part of the examples of the Qt Toolkit.
|
---|
| 8 | **
|
---|
| 9 | ** $QT_BEGIN_LICENSE:LGPL$
|
---|
| 10 | ** Commercial Usage
|
---|
| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
|
---|
| 12 | ** accordance with the Qt Commercial License Agreement provided with the
|
---|
| 13 | ** Software or, alternatively, in accordance with the terms contained in
|
---|
| 14 | ** a written agreement between you and Nokia.
|
---|
| 15 | **
|
---|
| 16 | ** GNU Lesser General Public License Usage
|
---|
| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
|
---|
| 18 | ** General Public License version 2.1 as published by the Free Software
|
---|
| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
|
---|
| 20 | ** packaging of this file. Please review the following information to
|
---|
| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
|
---|
| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
---|
| 23 | **
|
---|
[561] | 24 | ** In addition, as a special exception, Nokia gives you certain additional
|
---|
| 25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
|
---|
| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
---|
[2] | 27 | **
|
---|
| 28 | ** GNU General Public License Usage
|
---|
| 29 | ** Alternatively, this file may be used under the terms of the GNU
|
---|
| 30 | ** General Public License version 3.0 as published by the Free Software
|
---|
| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
|
---|
| 32 | ** packaging of this file. Please review the following information to
|
---|
| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
|
---|
| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
|
---|
| 35 | **
|
---|
[561] | 36 | ** If you have questions regarding the use of this file, please contact
|
---|
| 37 | ** Nokia at [email protected].
|
---|
[2] | 38 | ** $QT_END_LICENSE$
|
---|
| 39 | **
|
---|
| 40 | ****************************************************************************/
|
---|
| 41 |
|
---|
| 42 | #include <QtGui>
|
---|
| 43 |
|
---|
| 44 | #include "tictactoe.h"
|
---|
| 45 |
|
---|
| 46 | TicTacToe::TicTacToe(QWidget *parent)
|
---|
| 47 | : QWidget(parent)
|
---|
| 48 | {
|
---|
| 49 | }
|
---|
| 50 |
|
---|
| 51 | QSize TicTacToe::minimumSizeHint() const
|
---|
| 52 | {
|
---|
| 53 | return QSize(200, 200);
|
---|
| 54 | }
|
---|
| 55 |
|
---|
| 56 | QSize TicTacToe::sizeHint() const
|
---|
| 57 | {
|
---|
| 58 | return QSize(200, 200);
|
---|
| 59 | }
|
---|
| 60 |
|
---|
| 61 | void TicTacToe::setState(const QString &newState)
|
---|
| 62 | {
|
---|
| 63 | turnNumber = 0;
|
---|
| 64 | myState = "---------";
|
---|
| 65 | int position = 0;
|
---|
| 66 | while (position < 9 && position < newState.length()) {
|
---|
| 67 | QChar mark = newState.at(position);
|
---|
| 68 | if (mark == Cross || mark == Nought) {
|
---|
| 69 | ++turnNumber;
|
---|
| 70 | myState.replace(position, 1, mark);
|
---|
| 71 | }
|
---|
| 72 | position++;
|
---|
| 73 | }
|
---|
| 74 | update();
|
---|
| 75 | }
|
---|
| 76 |
|
---|
| 77 | QString TicTacToe::state() const
|
---|
| 78 | {
|
---|
| 79 | return myState;
|
---|
| 80 | }
|
---|
| 81 |
|
---|
| 82 | void TicTacToe::clearBoard()
|
---|
| 83 | {
|
---|
| 84 | myState = "---------";
|
---|
| 85 | turnNumber = 0;
|
---|
| 86 | update();
|
---|
| 87 | }
|
---|
| 88 |
|
---|
| 89 | void TicTacToe::mousePressEvent(QMouseEvent *event)
|
---|
| 90 | {
|
---|
| 91 | if (turnNumber == 9) {
|
---|
| 92 | clearBoard();
|
---|
| 93 | update();
|
---|
| 94 | } else {
|
---|
| 95 | for (int position = 0; position < 9; ++position) {
|
---|
| 96 | QRect cell = cellRect(position / 3, position % 3);
|
---|
| 97 | if (cell.contains(event->pos())) {
|
---|
| 98 | if (myState.at(position) == Empty) {
|
---|
| 99 | if (turnNumber % 2 == 0)
|
---|
| 100 | myState.replace(position, 1, Cross);
|
---|
| 101 | else
|
---|
| 102 | myState.replace(position, 1, Nought);
|
---|
| 103 | ++turnNumber;
|
---|
| 104 | update();
|
---|
| 105 | }
|
---|
| 106 | }
|
---|
| 107 | }
|
---|
| 108 | }
|
---|
| 109 | }
|
---|
| 110 |
|
---|
| 111 | void TicTacToe::paintEvent(QPaintEvent * /* event */)
|
---|
| 112 | {
|
---|
| 113 | QPainter painter(this);
|
---|
| 114 | painter.setRenderHint(QPainter::Antialiasing);
|
---|
| 115 |
|
---|
| 116 | painter.setPen(QPen(Qt::darkGreen, 1));
|
---|
| 117 | painter.drawLine(cellWidth(), 0, cellWidth(), height());
|
---|
| 118 | painter.drawLine(2 * cellWidth(), 0, 2 * cellWidth(), height());
|
---|
| 119 | painter.drawLine(0, cellHeight(), width(), cellHeight());
|
---|
| 120 | painter.drawLine(0, 2 * cellHeight(), width(), 2 * cellHeight());
|
---|
| 121 |
|
---|
| 122 | painter.setPen(QPen(Qt::darkBlue, 2));
|
---|
| 123 |
|
---|
| 124 | for (int position = 0; position < 9; ++position) {
|
---|
| 125 | QRect cell = cellRect(position / 3, position % 3);
|
---|
| 126 |
|
---|
| 127 | if (myState.at(position) == Cross) {
|
---|
| 128 | painter.drawLine(cell.topLeft(), cell.bottomRight());
|
---|
| 129 | painter.drawLine(cell.topRight(), cell.bottomLeft());
|
---|
| 130 | } else if (myState.at(position) == Nought) {
|
---|
| 131 | painter.drawEllipse(cell);
|
---|
| 132 | }
|
---|
| 133 | }
|
---|
| 134 |
|
---|
| 135 | painter.setPen(QPen(Qt::yellow, 3));
|
---|
| 136 |
|
---|
| 137 | for (int position = 0; position < 9; position = position + 3) {
|
---|
| 138 | if (myState.at(position) != Empty
|
---|
| 139 | && myState.at(position + 1) == myState.at(position)
|
---|
| 140 | && myState.at(position + 2) == myState.at(position)) {
|
---|
| 141 | int y = cellRect((position / 3), 0).center().y();
|
---|
| 142 | painter.drawLine(0, y, width(), y);
|
---|
| 143 | turnNumber = 9;
|
---|
| 144 | }
|
---|
| 145 | }
|
---|
| 146 |
|
---|
| 147 | for (int position = 0; position < 3; ++position) {
|
---|
| 148 | if (myState.at(position) != Empty
|
---|
| 149 | && myState.at(position + 3) == myState.at(position)
|
---|
| 150 | && myState.at(position + 6) == myState.at(position)) {
|
---|
| 151 | int x = cellRect(0, position).center().x();
|
---|
| 152 | painter.drawLine(x, 0, x, height());
|
---|
| 153 | turnNumber = 9;
|
---|
| 154 | }
|
---|
| 155 | }
|
---|
| 156 | if (myState.at(0) != Empty && myState.at(4) == myState.at(0)
|
---|
| 157 | && myState.at(8) == myState.at(0)) {
|
---|
| 158 | painter.drawLine(0, 0, width(), height());
|
---|
| 159 | turnNumber = 9;
|
---|
| 160 | }
|
---|
| 161 | if (myState.at(2) != Empty && myState.at(4) == myState.at(2)
|
---|
| 162 | && myState.at(6) == myState.at(2)) {
|
---|
| 163 | painter.drawLine(0, height(), width(), 0);
|
---|
| 164 | turnNumber = 9;
|
---|
| 165 | }
|
---|
| 166 | }
|
---|
| 167 |
|
---|
| 168 | QRect TicTacToe::cellRect(int row, int column) const
|
---|
| 169 | {
|
---|
| 170 | const int HMargin = width() / 30;
|
---|
| 171 | const int VMargin = height() / 30;
|
---|
| 172 | return QRect(column * cellWidth() + HMargin,
|
---|
| 173 | row * cellHeight() + VMargin,
|
---|
| 174 | cellWidth() - 2 * HMargin,
|
---|
| 175 | cellHeight() - 2 * VMargin);
|
---|
| 176 | }
|
---|