nheko/src/ui/NhekoEventObserver.cpp

62 lines
1.5 KiB
C++

// SPDX-FileCopyrightText: 2021 Nheko Contributors
// SPDX-FileCopyrightText: 2022 Nheko Contributors
//
// SPDX-License-Identifier: GPL-3.0-or-later
#include "NhekoEventObserver.h"
#include <QMouseEvent>
#include "Logging.h"
NhekoEventObserver::NhekoEventObserver(QQuickItem *parent)
: QQuickItem(parent)
{
setFiltersChildMouseEvents(true);
}
bool
NhekoEventObserver::childMouseEventFilter(QQuickItem * /*item*/, QEvent *event)
{
// nhlog::ui()->debug("Touched {}", item->metaObject()->className());
auto setTouched = [this](bool touched) {
if (touched != this->wasTouched_) {
this->wasTouched_ = touched;
emit wasTouchedChanged();
}
};
// see
// https://code.qt.io/cgit/qt/qtdeclarative.git/tree/src/quicktemplates2/qquickscrollview.cpp?id=7f29e89c26ae2babc358b1c4e6f965af6ec759f4#n471
switch (event->type()) {
case QEvent::TouchBegin:
case QEvent::TouchEnd:
setTouched(true);
break;
case QEvent::MouseButtonPress:
if (static_cast<QMouseEvent *>(event)->source() == Qt::MouseEventNotSynthesized) {
setTouched(false);
}
break;
case QEvent::MouseMove:
case QEvent::MouseButtonRelease:
if (static_cast<QMouseEvent *>(event)->source() == Qt::MouseEventNotSynthesized)
setTouched(false);
break;
case QEvent::HoverEnter:
case QEvent::HoverMove:
case QEvent::Wheel:
setTouched(false);
break;
default:
break;
}
return false;
}