void LipstickCompositorWindow::wheelEvent(QWheelEvent *event)
{
    QWaylandSurface *m_surface = surface();
    if (m_surface) {
        QWaylandInputDevice *inputDevice = m_surface->compositor()->defaultInputDevice();
        inputDevice->sendMouseWheelEvent(event->orientation(), event->delta());
    } else {
        event->ignore();
    }
}
Example #2
0
bool QWindowCompositor::eventFilter(QObject *obj, QEvent *event)
{
    if (obj != m_window)
        return false;

    QWaylandInputDevice *input = defaultInputDevice();

    switch (event->type()) {
    case QEvent::Expose:
        m_renderScheduler.start(0);
        if (m_window->isExposed()) {
            // Alt-tabbing away normally results in the alt remaining in
            // pressed state in the clients xkb state. Prevent this by sending
            // a release. This is not an issue in a "real" compositor but
            // is very annoying when running in a regular window on xcb.
            Qt::KeyboardModifiers mods = QGuiApplication::queryKeyboardModifiers();
            if (m_modifiers != mods && input->keyboardFocus()) {
                Qt::KeyboardModifiers stuckMods = m_modifiers ^ mods;
                if (stuckMods & Qt::AltModifier)
                    input->sendKeyReleaseEvent(64); // native scancode for left alt
                m_modifiers = mods;
            }
        }
        break;
    case QEvent::MouseButtonPress: {
        QPointF local;
        QMouseEvent *me = static_cast<QMouseEvent *>(event);
        QWaylandSurface *targetSurface = surfaceAt(me->localPos(), &local);
        if (m_dragKeyIsPressed && targetSurface) {
            m_draggingWindow = targetSurface;
            m_drag_diff = local;
        } else {
            if (targetSurface && input->keyboardFocus() != targetSurface) {
                input->setKeyboardFocus(targetSurface);
                m_surfaces.removeOne(targetSurface);
                m_surfaces.append(targetSurface);
                m_renderScheduler.start(0);
            }
            input->sendMousePressEvent(me->button(), local, me->localPos());
        }
        return true;
    }
    case QEvent::MouseButtonRelease: {
        QWaylandSurface *targetSurface = input->mouseFocus();
        if (m_draggingWindow) {
            m_draggingWindow = 0;
            m_drag_diff = QPointF();
        } else {
            QMouseEvent *me = static_cast<QMouseEvent *>(event);
            QPointF localPos;
            if (targetSurface)
                localPos = toSurface(targetSurface, me->localPos());
            input->sendMouseReleaseEvent(me->button(), localPos, me->localPos());
        }
        return true;
    }
    case QEvent::MouseMove: {
        QMouseEvent *me = static_cast<QMouseEvent *>(event);
        if (m_draggingWindow) {
            m_draggingWindow->setPos(me->localPos() - m_drag_diff);
            m_renderScheduler.start(0);
        } else {
            QPointF local;
            QWaylandSurface *targetSurface = surfaceAt(me->localPos(), &local);
            input->sendMouseMoveEvent(targetSurface, local, me->localPos());
        }
        break;
    }
    case QEvent::Wheel: {
        QWheelEvent *we = static_cast<QWheelEvent *>(event);
        input->sendMouseWheelEvent(we->orientation(), we->delta());
        break;
    }
    case QEvent::KeyPress: {
        QKeyEvent *ke = static_cast<QKeyEvent *>(event);
        if (ke->key() == Qt::Key_Meta || ke->key() == Qt::Key_Super_L) {
            m_dragKeyIsPressed = true;
        }
        m_modifiers = ke->modifiers();
        QWaylandSurface *targetSurface = input->keyboardFocus();
        if (targetSurface)
            input->sendKeyPressEvent(ke->nativeScanCode());
        break;
    }
    case QEvent::KeyRelease: {
        QKeyEvent *ke = static_cast<QKeyEvent *>(event);
        if (ke->key() == Qt::Key_Meta || ke->key() == Qt::Key_Super_L) {
            m_dragKeyIsPressed = false;
        }
        m_modifiers = ke->modifiers();
        QWaylandSurface *targetSurface = input->keyboardFocus();
        if (targetSurface)
            input->sendKeyReleaseEvent(ke->nativeScanCode());
        break;
    }
    case QEvent::TouchBegin:
    case QEvent::TouchUpdate:
    case QEvent::TouchEnd:
    {
        QWaylandSurface *targetSurface = 0;
        QTouchEvent *te = static_cast<QTouchEvent *>(event);
        QList<QTouchEvent::TouchPoint> points = te->touchPoints();
        QPoint pointPos;
        if (!points.isEmpty()) {
            pointPos = points.at(0).pos().toPoint();
            targetSurface = surfaceAt(pointPos);
        }
        if (targetSurface && targetSurface != input->mouseFocus())
            input->setMouseFocus(targetSurface, pointPos, pointPos);
        if (input->mouseFocus())
            input->sendFullTouchEvent(te);
        break;
    }
    default:
        break;
    }
    return false;
}