110 lines
2.5 KiB
C++
110 lines
2.5 KiB
C++
#include <QStylePainter>
|
|
#include <QStyleOptionButton>
|
|
#include <QApplication>
|
|
#include <QEvent>
|
|
#include <QDebug>
|
|
#include "iconbutton.h"
|
|
#include "../lib/rippleoverlay.h"
|
|
#include "style.h"
|
|
|
|
IconButton::IconButton(const QIcon &icon, QWidget *parent)
|
|
: QAbstractButton(parent),
|
|
_overlay(new RippleOverlay(parent)),
|
|
_geometryWidget(0)
|
|
{
|
|
setIcon(icon);
|
|
|
|
QSizePolicy policy;
|
|
policy.setWidthForHeight(true);
|
|
setSizePolicy(policy);
|
|
|
|
setGeometryWidget(this);
|
|
|
|
setStyle(&Style::instance());
|
|
}
|
|
|
|
IconButton::~IconButton()
|
|
{
|
|
}
|
|
|
|
QSize IconButton::sizeHint() const
|
|
{
|
|
QStyleOptionButton option(getStyleOption());
|
|
|
|
int w = option.iconSize.width() + 4;
|
|
int h = option.iconSize.height();
|
|
|
|
return (style()->sizeFromContents(QStyle::CT_PushButton, &option, QSize(w, h), this).
|
|
expandedTo(QApplication::globalStrut()));
|
|
}
|
|
|
|
void IconButton::setGeometryWidget(QWidget *widget)
|
|
{
|
|
if (_geometryWidget) {
|
|
_geometryWidget->removeEventFilter(this);
|
|
}
|
|
_geometryWidget = widget;
|
|
widget->installEventFilter(this);
|
|
updateOverlayGeometry();
|
|
}
|
|
|
|
void IconButton::paintEvent(QPaintEvent *event)
|
|
{
|
|
Q_UNUSED(event)
|
|
|
|
QStylePainter painter(this);
|
|
QStyleOptionButton option(getStyleOption());
|
|
painter.drawControl(QStyle::CE_PushButton, option);
|
|
}
|
|
|
|
void IconButton::mousePressEvent(QMouseEvent *event)
|
|
{
|
|
Q_UNUSED(event)
|
|
|
|
if (!_overlay)
|
|
return;
|
|
|
|
QPoint p(_overlay->width(), _overlay->height());
|
|
_overlay->addRipple(p/2, iconSize().width());
|
|
|
|
emit clicked();
|
|
}
|
|
|
|
bool IconButton::event(QEvent *event)
|
|
{
|
|
if (QEvent::ParentChange == event->type() && parentWidget()) {
|
|
_overlay->setParent(parentWidget());
|
|
}
|
|
return QAbstractButton::event(event);
|
|
}
|
|
|
|
bool IconButton::eventFilter(QObject *obj, QEvent *event)
|
|
{
|
|
const QEvent::Type type = event->type();
|
|
if (QEvent::Resize == type || QEvent::Move == type) {
|
|
updateOverlayGeometry();
|
|
}
|
|
return QAbstractButton::eventFilter(obj, event);
|
|
}
|
|
|
|
QStyleOptionButton IconButton::getStyleOption() const
|
|
{
|
|
QStyleOptionButton option;
|
|
option.initFrom(this);
|
|
option.features = QStyleOptionButton::Flat;
|
|
if (isChecked())
|
|
option.state |= QStyle::State_On;
|
|
option.icon = icon();
|
|
option.iconSize = iconSize();
|
|
return option;
|
|
}
|
|
|
|
void IconButton::updateOverlayGeometry()
|
|
{
|
|
if (!_overlay || !_geometryWidget)
|
|
return;
|
|
|
|
const int s = iconSize().width()/2;
|
|
_overlay->setGeometry(_geometryWidget->geometry().adjusted(-s, -s, s, s));
|
|
}
|