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<h1 class="title">tetrixboard.cpp Example File</h1>
<span class="small-subtitle">widgets/tetrix/tetrixboard.cpp</span>
<!-- $$$widgets/tetrix/tetrixboard.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include <QtGui></span>
<span class="preprocessor">#include "tetrixboard.h"</span>
TetrixBoard<span class="operator">::</span>TetrixBoard(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent)
: <span class="type"><a href="qframe.html">QFrame</a></span>(parent)
{
setFrameStyle(<span class="type"><a href="qframe.html">QFrame</a></span><span class="operator">::</span>Panel <span class="operator">|</span> <span class="type"><a href="qframe.html">QFrame</a></span><span class="operator">::</span>Sunken);
setFocusPolicy(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>StrongFocus);
isStarted <span class="operator">=</span> <span class="keyword">false</span>;
isPaused <span class="operator">=</span> <span class="keyword">false</span>;
clearBoard();
nextPiece<span class="operator">.</span>setRandomShape();
}
<span class="type">void</span> TetrixBoard<span class="operator">::</span>setNextPieceLabel(<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>label)
{
nextPieceLabel <span class="operator">=</span> label;
}
<span class="type"><a href="qsize.html">QSize</a></span> TetrixBoard<span class="operator">::</span>sizeHint() <span class="keyword">const</span>
{
<span class="keyword">return</span> <span class="type"><a href="qsize.html">QSize</a></span>(BoardWidth <span class="operator">*</span> <span class="number">15</span> <span class="operator">+</span> frameWidth() <span class="operator">*</span> <span class="number">2</span><span class="operator">,</span>
BoardHeight <span class="operator">*</span> <span class="number">15</span> <span class="operator">+</span> frameWidth() <span class="operator">*</span> <span class="number">2</span>);
}
<span class="type"><a href="qsize.html">QSize</a></span> TetrixBoard<span class="operator">::</span>minimumSizeHint() <span class="keyword">const</span>
{
<span class="keyword">return</span> <span class="type"><a href="qsize.html">QSize</a></span>(BoardWidth <span class="operator">*</span> <span class="number">5</span> <span class="operator">+</span> frameWidth() <span class="operator">*</span> <span class="number">2</span><span class="operator">,</span>
BoardHeight <span class="operator">*</span> <span class="number">5</span> <span class="operator">+</span> frameWidth() <span class="operator">*</span> <span class="number">2</span>);
}
<span class="type">void</span> TetrixBoard<span class="operator">::</span>start()
{
<span class="keyword">if</span> (isPaused)
<span class="keyword">return</span>;
isStarted <span class="operator">=</span> <span class="keyword">true</span>;
isWaitingAfterLine <span class="operator">=</span> <span class="keyword">false</span>;
numLinesRemoved <span class="operator">=</span> <span class="number">0</span>;
numPiecesDropped <span class="operator">=</span> <span class="number">0</span>;
score <span class="operator">=</span> <span class="number">0</span>;
level <span class="operator">=</span> <span class="number">1</span>;
clearBoard();
<span class="keyword">emit</span> linesRemovedChanged(numLinesRemoved);
<span class="keyword">emit</span> scoreChanged(score);
<span class="keyword">emit</span> levelChanged(level);
newPiece();
timer<span class="operator">.</span>start(timeoutTime()<span class="operator">,</span> <span class="keyword">this</span>);
}
<span class="type">void</span> TetrixBoard<span class="operator">::</span>pause()
{
<span class="keyword">if</span> (<span class="operator">!</span>isStarted)
<span class="keyword">return</span>;
isPaused <span class="operator">=</span> <span class="operator">!</span>isPaused;
<span class="keyword">if</span> (isPaused) {
timer<span class="operator">.</span>stop();
} <span class="keyword">else</span> {
timer<span class="operator">.</span>start(timeoutTime()<span class="operator">,</span> <span class="keyword">this</span>);
}
update();
}
<span class="type">void</span> TetrixBoard<span class="operator">::</span>paintEvent(<span class="type"><a href="qpaintevent.html">QPaintEvent</a></span> <span class="operator">*</span>event)
{
<span class="type"><a href="qframe.html">QFrame</a></span><span class="operator">::</span>paintEvent(event);
<span class="type"><a href="qpainter.html">QPainter</a></span> painter(<span class="keyword">this</span>);
<span class="type"><a href="qrect.html">QRect</a></span> rect <span class="operator">=</span> contentsRect();
<span class="keyword">if</span> (isPaused) {
painter<span class="operator">.</span>drawText(rect<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AlignCenter<span class="operator">,</span> tr(<span class="string">"Pause"</span>));
<span class="keyword">return</span>;
}
<span class="type">int</span> boardTop <span class="operator">=</span> rect<span class="operator">.</span>bottom() <span class="operator">-</span> BoardHeight<span class="operator">*</span>squareHeight();
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> BoardHeight; <span class="operator">+</span><span class="operator">+</span>i) {
<span class="keyword">for</span> (<span class="type">int</span> j <span class="operator">=</span> <span class="number">0</span>; j <span class="operator"><</span> BoardWidth; <span class="operator">+</span><span class="operator">+</span>j) {
TetrixShape shape <span class="operator">=</span> shapeAt(j<span class="operator">,</span> BoardHeight <span class="operator">-</span> i <span class="operator">-</span> <span class="number">1</span>);
<span class="keyword">if</span> (shape <span class="operator">!</span><span class="operator">=</span> NoShape)
drawSquare(painter<span class="operator">,</span> rect<span class="operator">.</span>left() <span class="operator">+</span> j <span class="operator">*</span> squareWidth()<span class="operator">,</span>
boardTop <span class="operator">+</span> i <span class="operator">*</span> squareHeight()<span class="operator">,</span> shape);
}
}
<span class="keyword">if</span> (curPiece<span class="operator">.</span>shape() <span class="operator">!</span><span class="operator">=</span> NoShape) {
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> <span class="number">4</span>; <span class="operator">+</span><span class="operator">+</span>i) {
<span class="type">int</span> x <span class="operator">=</span> curX <span class="operator">+</span> curPiece<span class="operator">.</span>x(i);
<span class="type">int</span> y <span class="operator">=</span> curY <span class="operator">-</span> curPiece<span class="operator">.</span>y(i);
drawSquare(painter<span class="operator">,</span> rect<span class="operator">.</span>left() <span class="operator">+</span> x <span class="operator">*</span> squareWidth()<span class="operator">,</span>
boardTop <span class="operator">+</span> (BoardHeight <span class="operator">-</span> y <span class="operator">-</span> <span class="number">1</span>) <span class="operator">*</span> squareHeight()<span class="operator">,</span>
curPiece<span class="operator">.</span>shape());
}
}
}
<span class="type">void</span> TetrixBoard<span class="operator">::</span>keyPressEvent(<span class="type"><a href="qkeyevent.html">QKeyEvent</a></span> <span class="operator">*</span>event)
{
<span class="keyword">if</span> (<span class="operator">!</span>isStarted <span class="operator">|</span><span class="operator">|</span> isPaused <span class="operator">|</span><span class="operator">|</span> curPiece<span class="operator">.</span>shape() <span class="operator">=</span><span class="operator">=</span> NoShape) {
<span class="type"><a href="qframe.html">QFrame</a></span><span class="operator">::</span>keyPressEvent(event);
<span class="keyword">return</span>;
}
<span class="keyword">switch</span> (event<span class="operator">-</span><span class="operator">></span>key()) {
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Left:
tryMove(curPiece<span class="operator">,</span> curX <span class="operator">-</span> <span class="number">1</span><span class="operator">,</span> curY);
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Right:
tryMove(curPiece<span class="operator">,</span> curX <span class="operator">+</span> <span class="number">1</span><span class="operator">,</span> curY);
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Down:
tryMove(curPiece<span class="operator">.</span>rotatedRight()<span class="operator">,</span> curX<span class="operator">,</span> curY);
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Up:
tryMove(curPiece<span class="operator">.</span>rotatedLeft()<span class="operator">,</span> curX<span class="operator">,</span> curY);
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Space:
dropDown();
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_D:
oneLineDown();
<span class="keyword">break</span>;
<span class="keyword">default</span>:
<span class="type"><a href="qframe.html">QFrame</a></span><span class="operator">::</span>keyPressEvent(event);
}
}
<span class="type">void</span> TetrixBoard<span class="operator">::</span>timerEvent(<span class="type"><a href="qtimerevent.html">QTimerEvent</a></span> <span class="operator">*</span>event)
{
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>timerId() <span class="operator">=</span><span class="operator">=</span> timer<span class="operator">.</span>timerId()) {
<span class="keyword">if</span> (isWaitingAfterLine) {
isWaitingAfterLine <span class="operator">=</span> <span class="keyword">false</span>;
newPiece();
timer<span class="operator">.</span>start(timeoutTime()<span class="operator">,</span> <span class="keyword">this</span>);
} <span class="keyword">else</span> {
oneLineDown();
}
} <span class="keyword">else</span> {
<span class="type"><a href="qframe.html">QFrame</a></span><span class="operator">::</span>timerEvent(event);
}
}
<span class="type">void</span> TetrixBoard<span class="operator">::</span>clearBoard()
{
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> BoardHeight <span class="operator">*</span> BoardWidth; <span class="operator">+</span><span class="operator">+</span>i)
board<span class="operator">[</span>i<span class="operator">]</span> <span class="operator">=</span> NoShape;
}
<span class="type">void</span> TetrixBoard<span class="operator">::</span>dropDown()
{
<span class="type">int</span> dropHeight <span class="operator">=</span> <span class="number">0</span>;
<span class="type">int</span> newY <span class="operator">=</span> curY;
<span class="keyword">while</span> (newY <span class="operator">></span> <span class="number">0</span>) {
<span class="keyword">if</span> (<span class="operator">!</span>tryMove(curPiece<span class="operator">,</span> curX<span class="operator">,</span> newY <span class="operator">-</span> <span class="number">1</span>))
<span class="keyword">break</span>;
<span class="operator">-</span><span class="operator">-</span>newY;
<span class="operator">+</span><span class="operator">+</span>dropHeight;
}
pieceDropped(dropHeight);
}
<span class="type">void</span> TetrixBoard<span class="operator">::</span>oneLineDown()
{
<span class="keyword">if</span> (<span class="operator">!</span>tryMove(curPiece<span class="operator">,</span> curX<span class="operator">,</span> curY <span class="operator">-</span> <span class="number">1</span>))
pieceDropped(<span class="number">0</span>);
}
<span class="type">void</span> TetrixBoard<span class="operator">::</span>pieceDropped(<span class="type">int</span> dropHeight)
{
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> <span class="number">4</span>; <span class="operator">+</span><span class="operator">+</span>i) {
<span class="type">int</span> x <span class="operator">=</span> curX <span class="operator">+</span> curPiece<span class="operator">.</span>x(i);
<span class="type">int</span> y <span class="operator">=</span> curY <span class="operator">-</span> curPiece<span class="operator">.</span>y(i);
shapeAt(x<span class="operator">,</span> y) <span class="operator">=</span> curPiece<span class="operator">.</span>shape();
}
<span class="operator">+</span><span class="operator">+</span>numPiecesDropped;
<span class="keyword">if</span> (numPiecesDropped <span class="operator">%</span> <span class="number">25</span> <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>) {
<span class="operator">+</span><span class="operator">+</span>level;
timer<span class="operator">.</span>start(timeoutTime()<span class="operator">,</span> <span class="keyword">this</span>);
<span class="keyword">emit</span> levelChanged(level);
}
score <span class="operator">+</span><span class="operator">=</span> dropHeight <span class="operator">+</span> <span class="number">7</span>;
<span class="keyword">emit</span> scoreChanged(score);
removeFullLines();
<span class="keyword">if</span> (<span class="operator">!</span>isWaitingAfterLine)
newPiece();
}
<span class="type">void</span> TetrixBoard<span class="operator">::</span>removeFullLines()
{
<span class="type">int</span> numFullLines <span class="operator">=</span> <span class="number">0</span>;
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> BoardHeight <span class="operator">-</span> <span class="number">1</span>; i <span class="operator">></span><span class="operator">=</span> <span class="number">0</span>; <span class="operator">-</span><span class="operator">-</span>i) {
<span class="type">bool</span> lineIsFull <span class="operator">=</span> <span class="keyword">true</span>;
<span class="keyword">for</span> (<span class="type">int</span> j <span class="operator">=</span> <span class="number">0</span>; j <span class="operator"><</span> BoardWidth; <span class="operator">+</span><span class="operator">+</span>j) {
<span class="keyword">if</span> (shapeAt(j<span class="operator">,</span> i) <span class="operator">=</span><span class="operator">=</span> NoShape) {
lineIsFull <span class="operator">=</span> <span class="keyword">false</span>;
<span class="keyword">break</span>;
}
}
<span class="keyword">if</span> (lineIsFull) {
<span class="operator">+</span><span class="operator">+</span>numFullLines;
<span class="keyword">for</span> (<span class="type">int</span> k <span class="operator">=</span> i; k <span class="operator"><</span> BoardHeight <span class="operator">-</span> <span class="number">1</span>; <span class="operator">+</span><span class="operator">+</span>k) {
<span class="keyword">for</span> (<span class="type">int</span> j <span class="operator">=</span> <span class="number">0</span>; j <span class="operator"><</span> BoardWidth; <span class="operator">+</span><span class="operator">+</span>j)
shapeAt(j<span class="operator">,</span> k) <span class="operator">=</span> shapeAt(j<span class="operator">,</span> k <span class="operator">+</span> <span class="number">1</span>);
}
<span class="keyword">for</span> (<span class="type">int</span> j <span class="operator">=</span> <span class="number">0</span>; j <span class="operator"><</span> BoardWidth; <span class="operator">+</span><span class="operator">+</span>j)
shapeAt(j<span class="operator">,</span> BoardHeight <span class="operator">-</span> <span class="number">1</span>) <span class="operator">=</span> NoShape;
}
}
<span class="keyword">if</span> (numFullLines <span class="operator">></span> <span class="number">0</span>) {
numLinesRemoved <span class="operator">+</span><span class="operator">=</span> numFullLines;
score <span class="operator">+</span><span class="operator">=</span> <span class="number">10</span> <span class="operator">*</span> numFullLines;
<span class="keyword">emit</span> linesRemovedChanged(numLinesRemoved);
<span class="keyword">emit</span> scoreChanged(score);
timer<span class="operator">.</span>start(<span class="number">500</span><span class="operator">,</span> <span class="keyword">this</span>);
isWaitingAfterLine <span class="operator">=</span> <span class="keyword">true</span>;
curPiece<span class="operator">.</span>setShape(NoShape);
update();
}
}
<span class="type">void</span> TetrixBoard<span class="operator">::</span>newPiece()
{
curPiece <span class="operator">=</span> nextPiece;
nextPiece<span class="operator">.</span>setRandomShape();
showNextPiece();
curX <span class="operator">=</span> BoardWidth <span class="operator">/</span> <span class="number">2</span> <span class="operator">+</span> <span class="number">1</span>;
curY <span class="operator">=</span> BoardHeight <span class="operator">-</span> <span class="number">1</span> <span class="operator">+</span> curPiece<span class="operator">.</span>minY();
<span class="keyword">if</span> (<span class="operator">!</span>tryMove(curPiece<span class="operator">,</span> curX<span class="operator">,</span> curY)) {
curPiece<span class="operator">.</span>setShape(NoShape);
timer<span class="operator">.</span>stop();
isStarted <span class="operator">=</span> <span class="keyword">false</span>;
}
}
<span class="type">void</span> TetrixBoard<span class="operator">::</span>showNextPiece()
{
<span class="keyword">if</span> (<span class="operator">!</span>nextPieceLabel)
<span class="keyword">return</span>;
<span class="type">int</span> dx <span class="operator">=</span> nextPiece<span class="operator">.</span>maxX() <span class="operator">-</span> nextPiece<span class="operator">.</span>minX() <span class="operator">+</span> <span class="number">1</span>;
<span class="type">int</span> dy <span class="operator">=</span> nextPiece<span class="operator">.</span>maxY() <span class="operator">-</span> nextPiece<span class="operator">.</span>minY() <span class="operator">+</span> <span class="number">1</span>;
<span class="type"><a href="qpixmap.html">QPixmap</a></span> pixmap(dx <span class="operator">*</span> squareWidth()<span class="operator">,</span> dy <span class="operator">*</span> squareHeight());
<span class="type"><a href="qpainter.html">QPainter</a></span> painter(<span class="operator">&</span>pixmap);
painter<span class="operator">.</span>fillRect(pixmap<span class="operator">.</span>rect()<span class="operator">,</span> nextPieceLabel<span class="operator">-</span><span class="operator">></span>palette()<span class="operator">.</span>background());
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> <span class="number">4</span>; <span class="operator">+</span><span class="operator">+</span>i) {
<span class="type">int</span> x <span class="operator">=</span> nextPiece<span class="operator">.</span>x(i) <span class="operator">-</span> nextPiece<span class="operator">.</span>minX();
<span class="type">int</span> y <span class="operator">=</span> nextPiece<span class="operator">.</span>y(i) <span class="operator">-</span> nextPiece<span class="operator">.</span>minY();
drawSquare(painter<span class="operator">,</span> x <span class="operator">*</span> squareWidth()<span class="operator">,</span> y <span class="operator">*</span> squareHeight()<span class="operator">,</span>
nextPiece<span class="operator">.</span>shape());
}
nextPieceLabel<span class="operator">-</span><span class="operator">></span>setPixmap(pixmap);
}
<span class="type">bool</span> TetrixBoard<span class="operator">::</span>tryMove(<span class="keyword">const</span> TetrixPiece <span class="operator">&</span>newPiece<span class="operator">,</span> <span class="type">int</span> newX<span class="operator">,</span> <span class="type">int</span> newY)
{
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> <span class="number">4</span>; <span class="operator">+</span><span class="operator">+</span>i) {
<span class="type">int</span> x <span class="operator">=</span> newX <span class="operator">+</span> newPiece<span class="operator">.</span>x(i);
<span class="type">int</span> y <span class="operator">=</span> newY <span class="operator">-</span> newPiece<span class="operator">.</span>y(i);
<span class="keyword">if</span> (x <span class="operator"><</span> <span class="number">0</span> <span class="operator">|</span><span class="operator">|</span> x <span class="operator">></span><span class="operator">=</span> BoardWidth <span class="operator">|</span><span class="operator">|</span> y <span class="operator"><</span> <span class="number">0</span> <span class="operator">|</span><span class="operator">|</span> y <span class="operator">></span><span class="operator">=</span> BoardHeight)
<span class="keyword">return</span> <span class="keyword">false</span>;
<span class="keyword">if</span> (shapeAt(x<span class="operator">,</span> y) <span class="operator">!</span><span class="operator">=</span> NoShape)
<span class="keyword">return</span> <span class="keyword">false</span>;
}
curPiece <span class="operator">=</span> newPiece;
curX <span class="operator">=</span> newX;
curY <span class="operator">=</span> newY;
update();
<span class="keyword">return</span> <span class="keyword">true</span>;
}
<span class="type">void</span> TetrixBoard<span class="operator">::</span>drawSquare(<span class="type"><a href="qpainter.html">QPainter</a></span> <span class="operator">&</span>painter<span class="operator">,</span> <span class="type">int</span> x<span class="operator">,</span> <span class="type">int</span> y<span class="operator">,</span> TetrixShape shape)
{
<span class="keyword">static</span> <span class="keyword">const</span> <span class="type"><a href="qcolor.html#QRgb-typedef">QRgb</a></span> colorTable<span class="operator">[</span><span class="number">8</span><span class="operator">]</span> <span class="operator">=</span> {
<span class="number">0x000000</span><span class="operator">,</span> <span class="number">0xCC6666</span><span class="operator">,</span> <span class="number">0x66CC66</span><span class="operator">,</span> <span class="number">0x6666CC</span><span class="operator">,</span>
<span class="number">0xCCCC66</span><span class="operator">,</span> <span class="number">0xCC66CC</span><span class="operator">,</span> <span class="number">0x66CCCC</span><span class="operator">,</span> <span class="number">0xDAAA00</span>
};
<span class="type"><a href="qcolor.html">QColor</a></span> color <span class="operator">=</span> colorTable<span class="operator">[</span><span class="type">int</span>(shape)<span class="operator">]</span>;
painter<span class="operator">.</span>fillRect(x <span class="operator">+</span> <span class="number">1</span><span class="operator">,</span> y <span class="operator">+</span> <span class="number">1</span><span class="operator">,</span> squareWidth() <span class="operator">-</span> <span class="number">2</span><span class="operator">,</span> squareHeight() <span class="operator">-</span> <span class="number">2</span><span class="operator">,</span>
color);
painter<span class="operator">.</span>setPen(color<span class="operator">.</span>light());
painter<span class="operator">.</span>drawLine(x<span class="operator">,</span> y <span class="operator">+</span> squareHeight() <span class="operator">-</span> <span class="number">1</span><span class="operator">,</span> x<span class="operator">,</span> y);
painter<span class="operator">.</span>drawLine(x<span class="operator">,</span> y<span class="operator">,</span> x <span class="operator">+</span> squareWidth() <span class="operator">-</span> <span class="number">1</span><span class="operator">,</span> y);
painter<span class="operator">.</span>setPen(color<span class="operator">.</span>dark());
painter<span class="operator">.</span>drawLine(x <span class="operator">+</span> <span class="number">1</span><span class="operator">,</span> y <span class="operator">+</span> squareHeight() <span class="operator">-</span> <span class="number">1</span><span class="operator">,</span>
x <span class="operator">+</span> squareWidth() <span class="operator">-</span> <span class="number">1</span><span class="operator">,</span> y <span class="operator">+</span> squareHeight() <span class="operator">-</span> <span class="number">1</span>);
painter<span class="operator">.</span>drawLine(x <span class="operator">+</span> squareWidth() <span class="operator">-</span> <span class="number">1</span><span class="operator">,</span> y <span class="operator">+</span> squareHeight() <span class="operator">-</span> <span class="number">1</span><span class="operator">,</span>
x <span class="operator">+</span> squareWidth() <span class="operator">-</span> <span class="number">1</span><span class="operator">,</span> y <span class="operator">+</span> <span class="number">1</span>);
}</pre>
</div>
<!-- @@@widgets/tetrix/tetrixboard.cpp -->
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