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| ** This file is part of the examples of the Qt Wayland module |
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| |
| #include "compositor.h" |
| #include "window.h" |
| |
| #include <QtWaylandCompositor/QWaylandOutput> |
| #include <QtWaylandCompositor/QWaylandIviApplication> |
| #include <QtWaylandCompositor/QWaylandIviSurface> |
| #include <QtWaylandCompositor/QWaylandSeat> |
| |
| #include <QRandomGenerator> |
| #include <QOpenGLFunctions> |
| |
| QOpenGLTexture *View::getTexture() { |
| if (advance()) |
| m_texture = currentBuffer().toOpenGLTexture(); |
| return m_texture; |
| } |
| |
| QPoint View::mapToLocal(const QPoint &globalPos) const |
| { |
| return globalPos - globalPosition(); |
| } |
| |
| |
| // Normally, an IVI based compositor would have a design where each window has |
| // a defined position, based on the id. In this example, we just assign a random position. |
| |
| void View::initPosition(const QSize &screenSize, const QSize &surfaceSize) |
| { |
| if (m_positionSet) |
| return; |
| QRandomGenerator rand(iviId()); |
| int xrange = qMax(screenSize.width() - surfaceSize.width(), 1); |
| int yrange = qMax(screenSize.height() - surfaceSize.height(), 1); |
| setGlobalPosition(QPoint(rand.bounded(xrange), rand.bounded(yrange))); |
| } |
| |
| Compositor::Compositor(Window *window) |
| : m_window(window) |
| { |
| window->setCompositor(this); |
| connect(window, &Window::glReady, this, [this] { create(); }); |
| } |
| |
| Compositor::~Compositor() |
| { |
| } |
| |
| void Compositor::create() |
| { |
| QWaylandOutput *output = new QWaylandOutput(this, m_window); |
| QWaylandOutputMode mode(m_window->size(), 60000); |
| output->addMode(mode, true); |
| QWaylandCompositor::create(); |
| output->setCurrentMode(mode); |
| |
| m_iviApplication = new QWaylandIviApplication(this); |
| connect(m_iviApplication, &QWaylandIviApplication::iviSurfaceCreated, this, &Compositor::onIviSurfaceCreated); |
| } |
| |
| View *Compositor::viewAt(const QPoint &position) |
| { |
| // Since views are stored in painting order (back to front), we have to iterate backwards |
| // to find the topmost view at a given point. |
| for (auto it = m_views.crbegin(); it != m_views.crend(); ++it) { |
| View *view = *it; |
| if (view->globalGeometry().contains(position)) |
| return view; |
| } |
| return nullptr; |
| } |
| |
| void Compositor::raise(View *view) |
| { |
| m_views.removeAll(view); |
| m_views.append(view); |
| defaultSeat()->setKeyboardFocus(view->surface()); |
| triggerRender(); |
| } |
| |
| static inline QPoint mapToView(const View *view, const QPoint &position) |
| { |
| return view ? view->mapToLocal(position) : position; |
| } |
| |
| void Compositor::handleMousePress(const QPoint &position, Qt::MouseButton button) |
| { |
| if (!m_mouseView) { |
| if (m_mouseView = viewAt(position)) |
| raise(m_mouseView); |
| } |
| auto *seat = defaultSeat(); |
| seat->sendMouseMoveEvent(m_mouseView, mapToView(m_mouseView, position)); |
| seat->sendMousePressEvent(button); |
| } |
| |
| void Compositor::handleMouseRelease(const QPoint &position, Qt::MouseButton button, Qt::MouseButtons buttons) |
| { |
| auto *seat = defaultSeat(); |
| seat->sendMouseMoveEvent(m_mouseView, mapToView(m_mouseView, position)); |
| seat->sendMouseReleaseEvent(button); |
| |
| if (buttons == Qt::NoButton) { |
| View *newView = viewAt(position); |
| if (newView != m_mouseView) |
| seat->sendMouseMoveEvent(newView, mapToView(newView, position)); |
| m_mouseView = nullptr; |
| } |
| } |
| |
| void Compositor::handleMouseMove(const QPoint &position) |
| { |
| View *view = m_mouseView ? m_mouseView.data() : viewAt(position); |
| defaultSeat()->sendMouseMoveEvent(view, mapToView(view, position)); |
| } |
| |
| void Compositor::handleMouseWheel(const QPoint &angleDelta) |
| { |
| // TODO: fix this to send a single event, when diagonal scrolling is supported |
| if (angleDelta.x() != 0) |
| defaultSeat()->sendMouseWheelEvent(Qt::Horizontal, angleDelta.x()); |
| if (angleDelta.y() != 0) |
| defaultSeat()->sendMouseWheelEvent(Qt::Vertical, angleDelta.y()); |
| } |
| |
| void Compositor::handleKeyPress(quint32 nativeScanCode) |
| { |
| defaultSeat()->sendKeyPressEvent(nativeScanCode); |
| } |
| |
| void Compositor::handleKeyRelease(quint32 nativeScanCode) |
| { |
| defaultSeat()->sendKeyReleaseEvent(nativeScanCode); |
| } |
| |
| |
| void Compositor::onIviSurfaceCreated(QWaylandIviSurface *iviSurface) |
| { |
| View *view = new View(iviSurface->iviId()); |
| view->setSurface(iviSurface->surface()); |
| view->setOutput(outputFor(m_window)); |
| |
| m_views << view; |
| connect(view, &QWaylandView::surfaceDestroyed, this, &Compositor::viewSurfaceDestroyed); |
| connect(iviSurface->surface(), &QWaylandSurface::redraw, this, &Compositor::triggerRender); |
| } |
| |
| void Compositor::onSurfaceDestroyed() |
| { |
| triggerRender(); |
| } |
| |
| void Compositor::viewSurfaceDestroyed() |
| { |
| View *view = qobject_cast<View*>(sender()); |
| m_views.removeAll(view); |
| delete view; |
| triggerRender(); |
| } |
| |
| void Compositor::triggerRender() |
| { |
| m_window->requestUpdate(); |
| } |
| |
| void Compositor::startRender() |
| { |
| QWaylandOutput *out = defaultOutput(); |
| if (out) |
| out->frameStarted(); |
| } |
| |
| void Compositor::endRender() |
| { |
| QWaylandOutput *out = defaultOutput(); |
| if (out) |
| out->sendFrameCallbacks(); |
| } |