bovo/gui/hintitem.cc

133 lines
3.3 KiB
C++

/*******************************************************************
*
* Copyright 2007 Aron Boström <c02ab@efd.lth.se>
*
* Bovo 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, or (at your option)
* any later version.
*
* Bovo 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 Bovo; see the file COPYING. If not, write to
* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
********************************************************************/
#include "hintitem.h"
#include <QTimer>
#include <QPainter>
#include <QSvgRenderer>
#include <QRandomGenerator>
#include "common.h"
#include "coord.h"
#include "move.h"
#include "scene.h"
using namespace bovo;
namespace gui {
HintItem::HintItem(Scene* scene, const Move& hint, bool animate, qreal fill)
: QGraphicsSvgItem(), m_scene(scene), m_row(hint.y()),
m_col(hint.x()), m_fill(fill) {
setElementId(QString(hint.player() == X ? QStringLiteral("x%1") : QStringLiteral("o%1"))
.arg(QString::number(QRandomGenerator::global()->bounded(5) + 1)));
m_tick = 16;
m_tickUp = true;
m_ticker = nullptr;
if (animate) {
m_ticker = new QTimer(this);
m_opacity = 0.0;
connect(m_ticker, &QTimer::timeout, this, &HintItem::tick);
m_ticker->start(30);
} else {
m_opacity = 0.4;
}
setPos(m_scene->cellCenter(m_col, m_row));
}
HintItem::~HintItem() {
if (m_ticker) {
disconnect(m_ticker, nullptr, this, nullptr);
m_ticker->stop();
m_ticker->deleteLater();
}
}
QRectF HintItem::boundingRect() const {
qreal width = m_scene->squareSize();
qreal height = width;
qreal margin = (1.0-m_fill) * width / 2.0;
return { -width / 2.0 + margin,
-height / 2.0 + margin,
width - 2.0*margin,
height - 2.0*margin};
}
void HintItem::killAnimation() {
if (m_ticker) {
m_ticker->stop();
disconnect(m_ticker, nullptr, this, nullptr);
m_opacity = 0.4;
update();
}
}
void HintItem::kill() {
connect(m_ticker, &QTimer::timeout, this, &HintItem::killTick);
m_ticker->start();
}
void HintItem::killTick() {
m_opacity -= 0.05;
update();
if (m_opacity <= 0.05) {
m_ticker->stop();
Q_EMIT killed();
}
}
void HintItem::tick() {
--m_tick;
if (m_tick == 0) {
killAnimation();
} else {
if (m_tickUp && m_tick > 5) {
m_opacity += 0.1;
} else if (m_tickUp) {
m_opacity -= 0.1;
m_tickUp = false;
} else {
m_opacity -= 0.1;
}
update();
}
}
// HintItem::setEnabled(enabled) {
// m_enabled = enabled;
// }
void HintItem::paint(QPainter *p, const QStyleOptionGraphicsItem*, QWidget*) {
p->setOpacity(m_opacity);
renderer()->render(p, elementId(), boundingRect());
}
void HintItem::setFill(qreal fill) {
m_fill = fill;
}
} /* namespace gui */