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Adapt touch event code to Qt6 API changes

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This is uglier with Qt6, as the setter methods for touch points are only
available as private API now.
This commit is contained in:
Volker Krause 2022-03-20 12:56:50 +01:00
parent 1f8a65c434
commit 8feeda5c86
2 changed files with 52 additions and 2 deletions
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3
src/libkwineffects/CMakeLists.txt
View file

@ -59,6 +59,9 @@ target_link_libraries(kwineffects
KF5::I18n
kwinglutils
)
if (QT_MAJOR_VERSION EQUAL "6")
target_link_libraries(kwineffects PRIVATE Qt::GuiPrivate)
endif()
set_target_properties(kwineffects PROPERTIES
VERSION ${KWINEFFECTS_VERSION}
SOVERSION ${KWINEFFECTS_SOVERSION}

51
src/libkwineffects/kwinoffscreenquickview.cpp
View file

@ -27,6 +27,9 @@
#include <QOpenGLContext>
#include <QOpenGLFramebufferObject>
#include <QTimer>
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
#include <private/qeventpoint_p.h> // for QMutableEventPoint
#endif
namespace KWin
{
@ -72,9 +75,14 @@ public:
bool m_visible = true;
bool m_automaticRepaint = true;
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
QList<QTouchEvent::TouchPoint> touchPoints;
Qt::TouchPointStates touchState;
QTouchDevice *touchDevice;
#else
QList<QEventPoint> touchPoints;
QPointingDevice *touchDevice;
#endif
ulong lastMousePressTime = 0;
Qt::MouseButton lastMousePressButton = Qt::NoButton;
@ -175,10 +183,14 @@ OffscreenQuickView::OffscreenQuickView(QObject *parent, QWindow *renderWindow, E
connect(d->m_renderControl, &QQuickRenderControl::renderRequested, this, &OffscreenQuickView::handleRenderRequested);
connect(d->m_renderControl, &QQuickRenderControl::sceneChanged, this, &OffscreenQuickView::handleSceneChanged);
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
d->touchDevice = new QTouchDevice{};
d->touchDevice->setCapabilities(QTouchDevice::Position);
d->touchDevice->setType(QTouchDevice::TouchScreen);
d->touchDevice->setMaximumTouchPoints(10);
#else
d->touchDevice = new QPointingDevice({}, {}, QInputDevice::DeviceType::TouchScreen, {}, QInputDevice::Capability::Position, 10, {});
#endif
}
OffscreenQuickView::~OffscreenQuickView()
@ -348,7 +360,11 @@ bool OffscreenQuickView::forwardTouchDown(qint32 id, const QPointF &pos, quint32
d->updateTouchState(Qt::TouchPointPressed, id, pos);
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
QTouchEvent event(QEvent::TouchBegin, d->touchDevice, Qt::NoModifier, d->touchState, d->touchPoints);
#else
QTouchEvent event(QEvent::TouchBegin, d->touchDevice, Qt::NoModifier, d->touchPoints);
#endif
QCoreApplication::sendEvent(d->m_view, &event);
return event.isAccepted();
@ -360,7 +376,11 @@ bool OffscreenQuickView::forwardTouchMotion(qint32 id, const QPointF &pos, quint
d->updateTouchState(Qt::TouchPointMoved, id, pos);
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
QTouchEvent event(QEvent::TouchUpdate, d->touchDevice, Qt::NoModifier, d->touchState, d->touchPoints);
#else
QTouchEvent event(QEvent::TouchUpdate, d->touchDevice, Qt::NoModifier, d->touchPoints);
#endif
QCoreApplication::sendEvent(d->m_view, &event);
return event.isAccepted();
@ -372,7 +392,11 @@ bool OffscreenQuickView::forwardTouchUp(qint32 id, quint32 time)
d->updateTouchState(Qt::TouchPointReleased, id, QPointF{});
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
QTouchEvent event(QEvent::TouchEnd, d->touchDevice, Qt::NoModifier, d->touchState, d->touchPoints);
#else
QTouchEvent event(QEvent::TouchEnd, d->touchDevice, Qt::NoModifier, d->touchPoints);
#endif
QCoreApplication::sendEvent(d->m_view, &event);
return event.isAccepted();
@ -486,7 +510,11 @@ void OffscreenQuickView::Private::updateTouchState(Qt::TouchPointState state, qi
if (point.state() == Qt::TouchPointReleased) {
return true;
}
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
point.setState(Qt::TouchPointStationary);
#else
static_cast<QMutableEventPoint&>(point).setState(QEventPoint::Stationary);
#endif
return false;
}), touchPoints.end());
@ -508,9 +536,14 @@ void OffscreenQuickView::Private::updateTouchState(Qt::TouchPointState state, qi
return;
}
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
QTouchEvent::TouchPoint point;
point.setId(id + idOffset);
point.setState(Qt::TouchPointPressed);
#else
QMutableEventPoint point;
point.setState(QEventPoint::Pressed);
#endif
point.setId(id + idOffset);
point.setScreenPos(pos);
point.setScenePos(m_view->mapFromGlobal(pos.toPoint()));
point.setPos(m_view->mapFromGlobal(pos.toPoint()));
@ -523,14 +556,20 @@ void OffscreenQuickView::Private::updateTouchState(Qt::TouchPointState state, qi
return;
}
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
auto &point = *changed;
point.setLastPos(point.pos());
point.setLastScenePos(point.scenePos());
point.setLastScreenPos(point.screenPos());
point.setState(Qt::TouchPointMoved);
#else
auto &point = static_cast<QMutableEventPoint&>(*changed);
point.setGlobalLastPosition(point.globalPosition());
point.setState(QEventPoint::Updated);
#endif
point.setScenePos(m_view->mapFromGlobal(pos.toPoint()));
point.setPos(m_view->mapFromGlobal(pos.toPoint()));
point.setScreenPos(pos);
point.setState(Qt::TouchPointMoved);
}
break;
case Qt::TouchPointReleased: {
@ -538,10 +577,16 @@ void OffscreenQuickView::Private::updateTouchState(Qt::TouchPointState state, qi
return;
}
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
auto &point = *changed;
point.setLastPos(point.pos());
point.setLastScreenPos(point.screenPos());
point.setState(Qt::TouchPointReleased);
#else
auto &point = static_cast<QMutableEventPoint&>(*changed);
point.setGlobalLastPosition(point.globalPosition());
point.setState(QEventPoint::Released);
#endif
}
break;
default:
@ -550,9 +595,11 @@ void OffscreenQuickView::Private::updateTouchState(Qt::TouchPointState state, qi
// The touch state value is used in QTouchEvent and includes all the states
// that the current touch points are in.
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
touchState = std::accumulate(touchPoints.begin(), touchPoints.end(), Qt::TouchPointStates{}, [](auto init, const auto &point) {
return init | point.state();
});
#endif
}
OffscreenQuickScene::OffscreenQuickScene(QObject *parent)