148 lines
4.9 KiB
C++
148 lines
4.9 KiB
C++
/*
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SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
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*/
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#include "viewporter.h"
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#include "display.h"
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#include "surface_p.h"
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#include "viewporter_p.h"
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static const int s_version = 1;
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namespace KWin
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{
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class ViewporterInterfacePrivate : public QtWaylandServer::wp_viewporter
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{
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protected:
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void wp_viewporter_destroy(Resource *resource) override;
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void wp_viewporter_get_viewport(Resource *resource, uint32_t id, struct ::wl_resource *surface) override;
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};
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void ViewporterInterfacePrivate::wp_viewporter_destroy(Resource *resource)
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{
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wl_resource_destroy(resource->handle);
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}
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void ViewporterInterfacePrivate::wp_viewporter_get_viewport(Resource *resource, uint32_t id, struct ::wl_resource *surface_resource)
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{
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SurfaceInterface *surface = SurfaceInterface::get(surface_resource);
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ViewportInterface *viewport = ViewportInterface::get(surface);
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if (viewport) {
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wl_resource_post_error(resource->handle, error_viewport_exists, "the specified surface already has a viewport");
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return;
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}
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wl_resource *viewportResource = wl_resource_create(resource->client(), &wp_viewport_interface, resource->version(), id);
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new ViewportInterface(surface, viewportResource);
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}
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ViewportInterface::ViewportInterface(SurfaceInterface *surface, wl_resource *resource)
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: QtWaylandServer::wp_viewport(resource)
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, surface(surface)
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{
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SurfaceInterfacePrivate *surfacePrivate = SurfaceInterfacePrivate::get(surface);
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surfacePrivate->viewportExtension = this;
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}
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ViewportInterface::~ViewportInterface()
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{
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if (surface) {
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SurfaceInterfacePrivate *surfacePrivate = SurfaceInterfacePrivate::get(surface);
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surfacePrivate->viewportExtension = nullptr;
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}
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}
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ViewportInterface *ViewportInterface::get(SurfaceInterface *surface)
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{
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return SurfaceInterfacePrivate::get(surface)->viewportExtension;
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}
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void ViewportInterface::wp_viewport_destroy_resource(Resource *resource)
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{
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delete this;
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}
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void ViewportInterface::wp_viewport_destroy(Resource *resource)
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{
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if (surface) {
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SurfaceInterfacePrivate *surfacePrivate = SurfaceInterfacePrivate::get(surface);
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surfacePrivate->pending->viewport.sourceGeometry = QRectF();
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surfacePrivate->pending->viewport.sourceGeometryIsSet = true;
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surfacePrivate->pending->viewport.destinationSize = QSize();
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surfacePrivate->pending->viewport.destinationSizeIsSet = true;
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}
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wl_resource_destroy(resource->handle);
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}
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void ViewportInterface::wp_viewport_set_source(Resource *resource, wl_fixed_t x_fixed, wl_fixed_t y_fixed, wl_fixed_t width_fixed, wl_fixed_t height_fixed)
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{
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if (!surface) {
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wl_resource_post_error(resource->handle, error_no_surface, "the wl_surface for this viewport no longer exists");
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return;
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}
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const qreal x = wl_fixed_to_double(x_fixed);
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const qreal y = wl_fixed_to_double(y_fixed);
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const qreal width = wl_fixed_to_double(width_fixed);
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const qreal height = wl_fixed_to_double(height_fixed);
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if (x == -1 && y == -1 && width == -1 && height == -1) {
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SurfaceInterfacePrivate *surfacePrivate = SurfaceInterfacePrivate::get(surface);
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surfacePrivate->pending->viewport.sourceGeometry = QRectF();
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surfacePrivate->pending->viewport.sourceGeometryIsSet = true;
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return;
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}
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if (x < 0 || y < 0 || width <= 0 || height <= 0) {
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wl_resource_post_error(resource->handle, error_bad_value, "invalid source geometry");
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return;
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}
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SurfaceInterfacePrivate *surfacePrivate = SurfaceInterfacePrivate::get(surface);
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surfacePrivate->pending->viewport.sourceGeometry = QRectF(x, y, width, height);
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surfacePrivate->pending->viewport.sourceGeometryIsSet = true;
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}
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void ViewportInterface::wp_viewport_set_destination(Resource *resource, int32_t width, int32_t height)
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{
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if (!surface) {
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wl_resource_post_error(resource->handle, error_no_surface, "the wl_surface for this viewport no longer exists");
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return;
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}
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if (width == -1 && height == -1) {
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SurfaceInterfacePrivate *surfacePrivate = SurfaceInterfacePrivate::get(surface);
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surfacePrivate->pending->viewport.destinationSize = QSize();
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surfacePrivate->pending->viewport.destinationSizeIsSet = true;
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return;
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}
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if (width <= 0 || height <= 0) {
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wl_resource_post_error(resource->handle, error_bad_value, "invalid destination size");
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return;
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}
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SurfaceInterfacePrivate *surfacePrivate = SurfaceInterfacePrivate::get(surface);
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surfacePrivate->pending->viewport.destinationSize = QSize(width, height);
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surfacePrivate->pending->viewport.destinationSizeIsSet = true;
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}
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ViewporterInterface::ViewporterInterface(Display *display, QObject *parent)
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: QObject(parent)
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, d(new ViewporterInterfacePrivate)
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{
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d->init(*display, s_version);
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}
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ViewporterInterface::~ViewporterInterface()
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{
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}
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} // namespace KWin
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#include "moc_viewporter.cpp"
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