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#include <QPainter>
#include "Badge.h"
Badge::Badge(QWidget *parent)
: OverlayWidget(parent)
{
init();
}
Badge::Badge(const QIcon &icon, QWidget *parent)
: OverlayWidget(parent)
{
init();
setIcon(icon);
}
Badge::Badge(const QString &text, QWidget *parent)
: OverlayWidget(parent)
{
init();
setText(text);
}
void
Badge::init()
{
x_ = 0;
y_ = 0;
// TODO: Make padding configurable.
padding_ = 5;
diameter_ = 24;
setAttribute(Qt::WA_TransparentForMouseEvents);
QFont _font(font());
_font.setPointSizeF(7.5);
_font.setStyleName("Bold");
setFont(_font);
setText("");
}
QString
Badge::text() const
{
return text_;
}
QIcon
Badge::icon() const
{
return icon_;
}
QSize
Badge::sizeHint() const
{
const int d = diameter();
return QSize(d + 4, d + 4);
}
qreal
Badge::relativeYPosition() const
{
return y_;
}
qreal
Badge::relativeXPosition() const
{
return x_;
}
QPointF
Badge::relativePosition() const
{
return QPointF(x_, y_);
}
QColor
Badge::backgroundColor() const
{
if (!background_color_.isValid())
return QColor("black");
return background_color_;
}
QColor
Badge::textColor() const
{
if (!text_color_.isValid())
return QColor("white");
return text_color_;
}
void
Badge::setTextColor(const QColor &color)
{
text_color_ = color;
}
void
Badge::setBackgroundColor(const QColor &color)
{
background_color_ = color;
}
void
Badge::setRelativePosition(const QPointF &pos)
{
setRelativePosition(pos.x(), pos.y());
}
void
Badge::setRelativePosition(qreal x, qreal y)
{
x_ = x;
y_ = y;
update();
}
void
Badge::setRelativeXPosition(qreal x)
{
x_ = x;
update();
}
void
Badge::setRelativeYPosition(qreal y)
{
y_ = y;
update();
}
void
Badge::setIcon(const QIcon &icon)
{
icon_ = icon;
update();
}
void
Badge::setText(const QString &text)
{
text_ = text;
if (!icon_.isNull())
icon_ = QIcon();
size_ = fontMetrics().size(Qt::TextShowMnemonic, text);
update();
}
void
Badge::setDiameter(int diameter)
{
if (diameter > 0) {
diameter_ = diameter;
update();
}
}
void
Badge::paintEvent(QPaintEvent *)
{
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
painter.translate(x_, y_);
QBrush brush;
brush.setStyle(Qt::SolidPattern);
painter.setBrush(brush);
painter.setPen(Qt::NoPen);
const int d = diameter();
QRectF r(0, 0, d, d);
r.translate(QPointF((width() - d), (height() - d)) / 2);
if (icon_.isNull()) {
QPen pen;
// TODO: Make badge width configurable.
pen.setWidth(1);
pen.setColor(textColor());
painter.setPen(pen);
painter.drawEllipse(r);
painter.setPen(textColor());
painter.setBrush(Qt::NoBrush);
painter.drawText(r.translated(0, -0.5), Qt::AlignCenter, text_);
} else {
painter.drawEllipse(r);
QRectF q(0, 0, 16, 16);
q.moveCenter(r.center());
QPixmap pixmap = icon().pixmap(16, 16);
QPainter icon(&pixmap);
icon.setCompositionMode(QPainter::CompositionMode_SourceIn);
icon.fillRect(pixmap.rect(), textColor());
painter.drawPixmap(q.toRect(), pixmap);
}
}
int
Badge::diameter() const
{
if (icon_.isNull()) {
return qMax(size_.width(), size_.height()) + padding_;
}
return diameter_;
}
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