qt-material-widgets/components/badge.cpp

172 lines
2.9 KiB
C++

#include "badge.h"
#include <QPainter>
#include <QIcon>
#include "badge_p.h"
#include "lib/style.h"
BadgePrivate::BadgePrivate(Badge *q)
: q_ptr(q),
padding(10)
{
}
BadgePrivate::~BadgePrivate()
{
}
void BadgePrivate::init()
{
Q_Q(Badge);
q->setAttribute(Qt::WA_TransparentForMouseEvents);
QFont font(q->font());
font.setPointSizeF(10);
font.setStyleName("Medium");
q->setFont(font);
q->setText("+1");
}
Badge::Badge(QWidget *parent)
: QWidget(parent),
d_ptr(new BadgePrivate(this))
{
d_func()->init();
}
Badge::~Badge()
{
}
void Badge::setUseThemeColors(bool value)
{
Q_D(Badge);
d->useThemeColors = value;
}
bool Badge::useThemeColors() const
{
Q_D(const Badge);
return d->useThemeColors;
}
void Badge::setTextColor(const QColor &color)
{
Q_D(Badge);
d->textColor = color;
setUseThemeColors(false);
}
QColor Badge::textColor() const
{
Q_D(const Badge);
if (d->useThemeColors || !d->textColor.isValid()) {
return Style::instance().themeColor("canvas");
} else {
return d->textColor;
}
}
void Badge::setBackgroundColor(const QColor &color)
{
Q_D(Badge);
d->backgroundColor = color;
setUseThemeColors(false);
}
QColor Badge::backgroundColor() const
{
Q_D(const Badge);
if (d->useThemeColors || !d->textColor.isValid()) {
return Style::instance().themeColor("accent1");
} else {
return d->backgroundColor;
}
}
QSize Badge::sizeHint() const
{
const int s = getDiameter();
return QSize(s, s);
}
void Badge::setIcon(const QIcon &icon)
{
Q_D(Badge);
d->icon = icon;
update();
}
void Badge::setText(const QString &text)
{
Q_D(Badge);
d->text = text;
if (!d->icon.isNull()) {
d->icon = QIcon();
}
QFontMetrics fm = fontMetrics();
d->size = fm.size(Qt::TextShowMnemonic, text);
update();
}
void Badge::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event)
Q_D(Badge);
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
QBrush brush;
brush.setStyle(Qt::SolidPattern);
brush.setColor(backgroundColor());
painter.setBrush(brush);
painter.setPen(Qt::NoPen);
const int s = getDiameter();
QRectF r(0, 0, s, s);
r.translate(QPointF((width()-s), (height()-s))/2);
if (d->icon.isNull())
{
painter.drawEllipse(r.translated(0, 0.5));
painter.setPen(textColor());
painter.setBrush(Qt::NoBrush);
painter.drawText(r, Qt::AlignCenter, d->text);
}
else
{
painter.drawEllipse(r);
QRectF q(0, 0, 16, 16);
q.moveCenter(r.center());
d->icon.paint(&painter, q.toRect(), Qt::AlignCenter);
}
}
int Badge::getDiameter() const
{
Q_D(const Badge);
if (d->icon.isNull()) {
return qMax(d->size.width(), d->size.height()) + d->padding;
} else {
return 24;
}
}