17#include "InputDispatcherFilter.h"
18#include "MousePointer.h"
21#include <QGuiApplication>
22#include <QQuickWindow>
25#include <qpa/qplatformnativeinterface.h>
26#include <qpa/qplatformscreen.h>
28InputDispatcherFilter *InputDispatcherFilter::instance()
30 static InputDispatcherFilter filter;
34InputDispatcherFilter::InputDispatcherFilter(QObject *parent)
38 QPlatformNativeInterface *ni = QGuiApplication::platformNativeInterface();
39 m_inputDispatcher =
static_cast<QObject*
>(ni->nativeResourceForIntegration(
"InputDispatcher"));
40 if (m_inputDispatcher) {
41 m_inputDispatcher->installEventFilter(
this);
45void InputDispatcherFilter::registerPointer(MousePointer *pointer)
48 m_pointers.insert(pointer);
51void InputDispatcherFilter::unregisterPointer(MousePointer *pointer)
53 m_pointers.remove(pointer);
56bool InputDispatcherFilter::eventFilter(QObject *o, QEvent *e)
58 if (o != m_inputDispatcher)
return false;
61 case QEvent::MouseMove:
62 case QEvent::MouseButtonPress:
63 case QEvent::MouseButtonRelease:
66 auto pointer = currentPointer();
67 if (!pointer || !pointer->window())
return true;
69 QMouseEvent* me =
static_cast<QMouseEvent*
>(e);
72 QPointF movement = me->localPos();
76 QPointF oldPos = me->screenPos();
77 QPointF newPos = adjustedPositionForMovement(oldPos, movement);
79 QScreen* currentScreen = screenAt(newPos);
81 QRect screenRect = currentScreen->geometry();
82 qreal newX = (oldPos + movement).x();
83 qreal newY = (oldPos + movement).y();
85 if (newX <= screenRect.left() && newY < screenRect.top() + pointer->topBoundaryOffset()) {
86 const auto distance = qSqrt(qPow(newX, 2) + qPow(newY- screenRect.top() - pointer->topBoundaryOffset(), 2));
87 Q_EMIT pushedTopLeftCorner(currentScreen, qAbs(distance), me->buttons());
89 }
else if (newX >= screenRect.right()-1 && newY < screenRect.top() + pointer->topBoundaryOffset()) {
90 const auto distance = qSqrt(qPow(newX-screenRect.right(), 2) + qPow(newY - screenRect.top() - pointer->topBoundaryOffset(), 2));
91 Q_EMIT pushedTopRightCorner(currentScreen, qAbs(distance), me->buttons());
93 }
else if (newX < 0 && newY >= screenRect.bottom()-1) {
94 const auto distance = qSqrt(qPow(newX, 2) + qPow(newY-screenRect.bottom(), 2));
95 Q_EMIT pushedBottomLeftCorner(currentScreen, qAbs(distance), me->buttons());
97 }
else if (newX >= screenRect.right()-1 && newY >= screenRect.bottom()-1) {
98 const auto distance = qSqrt(qPow(newX-screenRect.right(), 2) + qPow(newY-screenRect.bottom(), 2));
99 Q_EMIT pushedBottomRightCorner(currentScreen, qAbs(distance), me->buttons());
101 }
else if (newX < screenRect.left()) {
102 Q_EMIT pushedLeftBoundary(currentScreen, qAbs(newX), me->buttons());
104 }
else if (newX >= screenRect.right()) {
105 Q_EMIT pushedRightBoundary(currentScreen, newX - (screenRect.right() - 1), me->buttons());
107 }
else if (newY < screenRect.top() + pointer->topBoundaryOffset()) {
108 Q_EMIT pushedTopBoundary(currentScreen, qAbs(newY - screenRect.top() - pointer->topBoundaryOffset()), me->buttons());
110 }
else if (Q_LIKELY(newX > 0 && newX < screenRect.right()-1 && newY > 0 && newY < screenRect.bottom()-1)) {
112 Q_EMIT pushStopped(currentScreen);
119 QMouseEvent eCopy(me->type(), me->localPos(), newPos, me->button(), me->buttons(), me->modifiers());
120 eCopy.setTimestamp(me->timestamp());
130QPointF InputDispatcherFilter::adjustedPositionForMovement(
const QPointF &pt,
const QPointF &movement)
const
132 QPointF adjusted = pt + movement;
134 auto screen = screenAt(adjusted);
137 }
else if ((screen = screenAt(pt))) {
138 QRectF screenBounds = screen->geometry();
140 adjusted.rx() = qMax(screenBounds.left(), qMin(adjusted.x(), screenBounds.right()-1));
141 adjusted.ry() = qMax(screenBounds.top(), qMin(adjusted.y(), screenBounds.bottom()-1));
143 auto screens = QGuiApplication::screens();
146 Q_FOREACH(QScreen* screen, screens) {
147 Q_FOREACH(MousePointer* pointer, m_pointers) {
148 if (pointer->isEnabled() && pointer->screen() == screen) {
149 return screen->geometry().center();
157QScreen *InputDispatcherFilter::screenAt(
const QPointF &pt)
const
159 Q_FOREACH(MousePointer* pointer, m_pointers) {
160 if (!pointer->isEnabled())
continue;
162 QScreen* screen = pointer->screen();
163 if (screen && screen->geometry().contains(pt.toPoint()))
169MousePointer *InputDispatcherFilter::currentPointer()
const
171 Q_FOREACH(MousePointer* pointer, m_pointers) {
172 if (!pointer->isEnabled())
continue;