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| ** This file is part of the examples of the Qt Wayland module |
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| |
| #include "customextension.h" |
| #include <QtGui/QGuiApplication> |
| #include <QtGui/QWindow> |
| #include <QtGui/QPlatformSurfaceEvent> |
| #include <QtGui/qpa/qplatformnativeinterface.h> |
| #include <QDebug> |
| |
| QT_BEGIN_NAMESPACE |
| |
| CustomExtension::CustomExtension() |
| : QWaylandClientExtensionTemplate(/* Supported protocol version */ 1 ) |
| { |
| connect(this, &CustomExtension::activeChanged, this, &CustomExtension::handleExtensionActive); |
| } |
| |
| |
| static inline struct ::wl_surface *getWlSurface(QWindow *window) |
| { |
| void *surf = QGuiApplication::platformNativeInterface()->nativeResourceForWindow("surface", window); |
| return static_cast<struct ::wl_surface *>(surf); |
| } |
| |
| QWindow *CustomExtension::windowForSurface(struct ::wl_surface *surface) |
| { |
| for (QWindow *w : qAsConst(m_windows)) { |
| if (getWlSurface(w) == surface) |
| return w; |
| } |
| return nullptr; |
| } |
| |
| bool CustomExtension::eventFilter(QObject *object, QEvent *event) |
| { |
| if (event->type() == QEvent::Expose) { |
| auto *exposeEvent = static_cast<QExposeEvent *>(event); |
| if (exposeEvent->region().isNull()) |
| return false; |
| |
| QWindow *window = qobject_cast<QWindow*>(object); |
| Q_ASSERT(window); |
| window->removeEventFilter(this); |
| QtWayland::qt_example_extension::register_surface(getWlSurface(window)); |
| } |
| return false; |
| } |
| |
| void CustomExtension::sendWindowRegistration(QWindow *window) |
| { |
| if (window->handle()) |
| QtWayland::qt_example_extension::register_surface(getWlSurface(window)); |
| else |
| window->installEventFilter(this); // register when created |
| } |
| |
| void CustomExtension::registerWindow(QWindow *window) |
| { |
| m_windows << window; |
| if (isActive()) |
| sendWindowRegistration(window); |
| } |
| |
| CustomExtensionObject *CustomExtension::createCustomObject(const QString &color, const QString &text) |
| { |
| auto *obj = create_local_object(color, text); |
| return new CustomExtensionObject(obj, text); |
| } |
| |
| void CustomExtension::sendBounce(QWindow *window, uint ms) |
| { |
| QtWayland::qt_example_extension::bounce(getWlSurface(window), ms); |
| } |
| |
| void CustomExtension::sendSpin(QWindow *window, uint ms) |
| { |
| QtWayland::qt_example_extension::spin(getWlSurface(window), ms); |
| } |
| |
| void CustomExtension::handleExtensionActive() |
| { |
| if (isActive() && !m_activated) { |
| for (QWindow *w : qAsConst(m_windows)) |
| sendWindowRegistration(w); |
| } |
| } |
| |
| void CustomExtension::example_extension_close(wl_surface *surface) |
| { |
| QWindow *w = windowForSurface(surface); |
| if (w) |
| w->close(); |
| } |
| |
| void CustomExtension::example_extension_set_font_size(wl_surface *surface, uint32_t pixel_size) |
| { |
| emit fontSize(windowForSurface(surface), pixel_size); |
| } |
| |
| void CustomExtension::example_extension_set_window_decoration(uint32_t state) |
| { |
| bool shown = state; |
| for (QWindow *w : qAsConst(m_windows)) { |
| Qt::WindowFlags f = w->flags(); |
| if (shown) |
| f &= ~Qt::FramelessWindowHint; |
| else |
| f |= Qt::FramelessWindowHint; |
| w->setFlags(f); |
| } |
| } |
| |
| CustomExtensionObject::CustomExtensionObject(struct ::qt_example_local_object *wl_object, const QString &text) |
| : QWaylandClientExtensionTemplate<CustomExtensionObject>(1) |
| , QtWayland::qt_example_local_object(wl_object) |
| , m_text(text) |
| { |
| |
| } |
| |
| void CustomExtensionObject::example_local_object_clicked() |
| { |
| qDebug() << "Object clicked:" << m_text; |
| emit clicked(); |
| } |
| |
| void CustomExtensionObject::setText(const QString &text) |
| { |
| m_text = text; |
| set_text(text); |
| } |
| |
| QT_END_NAMESPACE |