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/* ColorCode, a free MasterMind clone with built in solver
* Copyright (C) 2009 Dirk Laebisch
* http://www.laebisch.com/
*
* ColorCode 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 3 of the License, or
* (at your option) any later version.
*
* ColorCode 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 ColorCode. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QtGui>
#include <QFontMetrics>
#include "graphicsbtn.h"
using namespace std;
GraphicsBtn::GraphicsBtn()
{
mWidth = 152;
setCursor(Qt::PointingHandCursor);
setAcceptHoverEvents (true);
mLabel = "";
mLabelWidth = 0;
mYOffs = 0;
InitGraphics();
SetShapes();
mFillBrush = &mFillOutBrush;
mFrameBrush = &mFrameOutBrush;
mFont = QFont("Arial", 12, QFont::Bold, false);
mFont.setStyleHint(QFont::SansSerif);
mFont.setStyleStrategy(QFont::PreferAntialias);
}
void GraphicsBtn::SetWidth(int w)
{
mWidth = w;
SetShapes();
}
void GraphicsBtn::SetLabel(QString str)
{
mLabel = str;
}
void GraphicsBtn::ShowBtn(bool b)
{
if (b)
{
mFillBrush = &mFillOutBrush;
mFrameBrush = &mFrameOutBrush;
}
setVisible(b);
}
void GraphicsBtn::hoverEnterEvent(QGraphicsSceneHoverEvent* e)
{
mFillBrush = &mFillOverBrush;
QGraphicsItem::hoverEnterEvent(e);
}
void GraphicsBtn::hoverLeaveEvent(QGraphicsSceneHoverEvent* e)
{
mFillBrush = &mFillOutBrush;
QGraphicsItem::hoverLeaveEvent(e);
}
void GraphicsBtn::mousePressEvent(QGraphicsSceneMouseEvent*)
{
mFrameBrush = &mFrameOverBrush;
mYOffs = 1;
update(mRect);
}
void GraphicsBtn::mouseReleaseEvent(QGraphicsSceneMouseEvent* e)
{
mFrameBrush = &mFrameOutBrush;
mYOffs = 0;
if ( e->pos().x() >= 0
&& e->pos().x() <= boundingRect().width()
&& e->pos().y() >= 0
&& e->pos().y() <= boundingRect().height() )
{
emit BtnPressSignal(this);
}
update(mRect);
}
void GraphicsBtn::InitGraphics()
{
QLinearGradient fillgrad(0, 2, 0, 36);
fillgrad.setColorAt(0.0, QColor("#f7f8fa"));
fillgrad.setColorAt(0.5, QColor("#b9babc"));
mFillOutBrush = QBrush(fillgrad);
QLinearGradient fillovergrad(0, 2, 0, 36);
fillovergrad.setColorAt(0.0, QColor("#f7f8fa"));
fillovergrad.setColorAt(1.0, QColor("#b9babc"));
mFillOverBrush = QBrush(fillovergrad);
QLinearGradient framegrad(0, 0, 0, 40);
framegrad.setColorAt(1.0, QColor(0, 0, 0, 0xa0));
framegrad.setColorAt(0.0, QColor(0xff, 0xff, 0xff, 0xa0));
mFrameOutBrush = QBrush(framegrad);
QLinearGradient frameovergrad(0, 0, 0, 40);
frameovergrad.setColorAt(0.0, QColor(0, 0, 0, 0xa0));
frameovergrad.setColorAt(1.0, QColor(0xff, 0xff, 0xff, 0xa0));
mFrameOverBrush = QBrush(frameovergrad);
}
void GraphicsBtn::SetShapes()
{
mRect = QRectF(0, 0, mWidth, 38);
mRectFill = QRectF(1, 1, mWidth - 2, 36);
}
QRectF GraphicsBtn::boundingRect() const
{
const double margin = 0.5;
return mRect.adjusted(-margin, -margin, 2 * margin, 2 * margin);
}
void GraphicsBtn::paint(QPainter *painter, const QStyleOptionGraphicsItem * /*option*/, QWidget* /* widget */)
{
painter->setPen(Qt::NoPen);
painter->setBrush(*mFrameBrush);
painter->drawRoundedRect(mRect, 20, 20);
painter->setBrush(*mFillBrush);
painter->drawRoundedRect(mRectFill, 18, 18);
if (mLabel != "")
{
painter->setRenderHint(QPainter::TextAntialiasing, true);
painter->setPen(QPen(QColor("#303133")));
painter->setFont(mFont);
painter->drawText(mRectFill.adjusted(0, mYOffs, 0, mYOffs), Qt::AlignCenter, mLabel);
}
}
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