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/*
* Copyright (c) 2013-2014, Red Hat.
*
* 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.
*/
#include <QWidget>
#include "qed_line.h"
QedLine::QedLine(QWidget *parent, qreal length) : QedGadget(parent)
{
setup();
my.box = QRect(0, 0, length, 1);
my.length = length * 1.0;
}
QedLine::QedLine(QWidget *parent, int x, int y, int w, int h) : QedGadget(parent)
{
setup();
my.box = QRect(x, y, w, h);
my.length = QLineF(QLine(x, y, w, h)).length();
}
QedLine::QedLine(QWidget *parent, int length, Qt::Orientation oriented) : QedGadget(parent)
{
setup();
my.oriented = oriented;
my.box = QRect(0, 0, length, 1);
my.length = 1.0 * length;
}
void
QedLine::setup(void)
{
const qreal baseBound = 32.0;
const int iBaseBound = (int)(baseBound+0.5);
my.oriented = Qt::Horizontal;
my.bound = baseBound;
setMinimumSize(iBaseBound, iBaseBound);
setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
}
void
QedLine::resizeEvent(QResizeEvent *event)
{
QSize size = event->size();
my.bound = qMin(size.height(), size.width());
}
void
QedLine::paintEvent(QPaintEvent *event)
{
qreal lowerInset, upperInset, radius = my.bound / 16.0;
(void)event;
QPainterPath mainSquarePath;
lowerInset = 0.3 * my.bound;
upperInset = (my.bound * my.length) - (lowerInset * 2.0);
QRectF mainBox(lowerInset, lowerInset,
upperInset, my.bound - (lowerInset * 2.0));
mainSquarePath.addRoundedRect(mainBox, radius, radius);
mainSquarePath.closeSubpath();
QLinearGradient mainGradient(0, 0, 0, 1.0 * my.bound);
mainGradient.setColorAt(0.0, Qt::lightGray);
mainGradient.setColorAt(1.0, Qt::darkGray);
QPainterPath reflectSquarePath;
QRectF reflectBox(0.13538 * my.bound, 0.12969 * my.bound,
0.73084 * my.bound, 0.48615 * my.bound);
reflectSquarePath.addRoundedRect(reflectBox, radius, radius);
reflectSquarePath.closeSubpath();
QLinearGradient reflectGradient(0, 0, 0, 1.22953 * my.bound);
reflectGradient.setColorAt(0.0, Qt::white);
reflectGradient.setColorAt(1.0, Qt::gray);
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
painter.setPen(Qt::NoPen);
painter.setBrush(mainGradient);
painter.drawPath(mainSquarePath);
painter.setBrush(reflectGradient);
painter.drawPath(reflectSquarePath);
}
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