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/*
* boarddelegate.cpp - Battleship game plugin
* Copyright (C) 2014 Aleksey Andreev
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "boarddelegate.h"
BoardDelegate::BoardDelegate(BoardModel *model, QObject *parent)
: QItemDelegate(parent)
, model_(model)
{
}
void BoardDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
if (!index.isValid())
return;
QPoint point(index.column(), index.row());
painter->save();
painter->setRenderHint(QPainter::Antialiasing, true);
painter->setRenderHint(QPainter::TextAntialiasing, true);
painter->setRenderHint(QPainter::SmoothPixmapTransform, true);
QRectF r(option.rect);
int opos = model_->model2oppboard(point);
int mpos = -1;
if (opos == -1)
mpos = model_->model2myboard(point);
if (opos != -1 || mpos != -1)
{
GameBoard::CellStatus st;
if (opos != -1)
st = model_->gameModel()->oppBoard().cell(opos).status;
else
st = model_->gameModel()->myBoard().cell(mpos).status;
if (st == GameBoard::CellOccupied || st == GameBoard::CellHit)
{
QRectF r2 = r.adjusted(1.0, 1.0, -1.0, -1.0);
QPen pen(Qt::black);
pen.setWidthF(2.0);
pen.setJoinStyle(Qt::MiterJoin);
painter->setPen(pen);
painter->drawRect(r2);
if (st == GameBoard::CellHit)
{
r2.adjust(1.0, 1.0, -1.0, -1.0);
pen.setCapStyle(Qt::RoundCap);
painter->drawLine(r2.topLeft(), r2.bottomRight());
painter->drawLine(r2.topRight(), r2.bottomLeft());
}
}
else
{
QRectF r2 = r.adjusted(0.5, 0.5, -0.5, -0.5);
setGridPen(painter);
painter->drawRect(r2);
if (st == GameBoard::CellMiss || st == GameBoard::CellMargin)
{
qreal w = r.width() * 0.2;
QPen pen(Qt::black);
pen.setWidthF(w);
pen.setCapStyle(Qt::RoundCap);
painter->setPen(pen);
painter->drawPoint(r.center());
}
}
}
else
{
// displaying coordinates
if ((point.x() == 1 || point.x() == model_->columnCount() - 2)
&& point.y() >= 2 && point.y() < model_->rowCount() - 2)
{
// Numbers
QString text = QString::number(point.y() - 1);
painter->drawText(r, Qt::AlignCenter, text, 0);
QRectF r2 = r.adjusted(0.5, 0.5, -0.5, -0.5);
setGridPen(painter);
if (point.x() == 1)
painter->drawLine(r2.topRight(), r2.bottomRight());
else
painter->drawLine(r2.topLeft(), r2.bottomLeft());
}
else if ((point.y() == 1 || point.y() == model_->rowCount() - 2)
&& point.x() >= 2 && point.x() < model_->columnCount() - 2
&& (point.x() <= 11 || point.x() >= 15))
{
// letters
static const QString letters("ABCDEFGHJK");
QString text;
if (point.x() <= 11)
text = letters.mid(point.x() - 2, 1);
else
text = letters.mid(point.x() - 15, 1);
painter->drawText(r, Qt::AlignCenter, text, 0);
QRectF r2 = r.adjusted(0.5, 0.5, -0.5, -0.5);
setGridPen(painter);
if (point.y() == 1)
painter->drawLine(r2.bottomLeft(), r2.bottomRight());
else
painter->drawLine(r2.topLeft(), r2.topRight());
}
}
painter->restore();
}
void BoardDelegate::setGridPen(QPainter *painter)
{
QPen pen(Qt::blue);
pen.setWidthF(0.5);
pen.setJoinStyle(Qt::MiterJoin);
pen.setCapStyle(Qt::SquareCap);
painter->setPen(pen);
}
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