qt-material-widgets/components/iconbutton.cpp

90 lines
1.8 KiB
C++

#include "iconbutton.h"
#include "iconbutton_p.h"
#include <QPainter>
#include <QEvent>
#include "lib/style.h"
#include "lib/rippleoverlay.h"
IconButtonPrivate::IconButtonPrivate(IconButton *q)
: q_ptr(q),
ripple(new RippleOverlay(q->parentWidget()))
{
}
void IconButtonPrivate::init()
{
Q_Q(IconButton);
QSizePolicy policy;
policy.setWidthForHeight(true);
q->setSizePolicy(policy);
}
IconButton::IconButton(const QIcon &icon, QWidget *parent)
: QAbstractButton(parent),
d_ptr(new IconButtonPrivate(this))
{
d_func()->init();
setIcon(icon);
}
IconButton::~IconButton()
{
}
QSize IconButton::sizeHint() const
{
return iconSize();
}
bool IconButton::event(QEvent *event)
{
Q_D(IconButton);
switch (event->type())
{
case QEvent::Resize:
case QEvent::Move: {
const int s = iconSize().width()/2;
d->ripple->setGeometry(geometry().adjusted(-s, -s, s, s));
break;
}
case QEvent::ParentChange: {
QWidget *widget;
if ((widget = parentWidget())) {
d->ripple->setParent(parentWidget());
}
break;
}
default:
break;
}
return QAbstractButton::event(event);
}
void IconButton::mousePressEvent(QMouseEvent *event)
{
Q_D(IconButton);
const QPoint p(d->ripple->width(), d->ripple->height());
d->ripple->addRipple(p/2, iconSize().width());
emit clicked();
QAbstractButton::mousePressEvent(event);
}
void IconButton::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event)
QPainter painter(this);
const QSize &size = iconSize();
QPoint pos(width()/2-size.width()/2, height()/2-size.height()/2);
icon().paint(&painter, QRect(pos, size), Qt::AlignCenter,
isEnabled() ? QIcon::Normal
: QIcon::Disabled);
}