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#include "Viewporter.hpp"
#include "core/Compositor.hpp"
#include <algorithm>
CViewportResource::CViewportResource(SP<CWpViewport> resource_, SP<CWLSurfaceResource> surface_) : surface(surface_), resource(resource_) {
if (!good())
return;
resource->setDestroy([this](CWpViewport* r) { PROTO::viewport->destroyResource(this); });
resource->setOnDestroy([this](CWpViewport* r) { PROTO::viewport->destroyResource(this); });
resource->setSetDestination([this](CWpViewport* r, int32_t x, int32_t y) {
if (!surface) {
r->error(WP_VIEWPORT_ERROR_NO_SURFACE, "Surface is gone");
return;
}
if (x == -1 && y == -1) {
surface->pending.viewport.hasDestination = false;
return;
}
if (x <= 0 || y <= 0) {
r->error(WP_VIEWPORT_ERROR_BAD_SIZE, "Size was <= 0");
return;
}
surface->pending.viewport.hasDestination = true;
surface->pending.viewport.destination = {x, y};
});
resource->setSetSource([this](CWpViewport* r, wl_fixed_t fx, wl_fixed_t fy, wl_fixed_t fw, wl_fixed_t fh) {
if (!surface) {
r->error(WP_VIEWPORT_ERROR_NO_SURFACE, "Surface is gone");
return;
}
double x = wl_fixed_to_double(fx), y = wl_fixed_to_double(fy), w = wl_fixed_to_double(fw), h = wl_fixed_to_double(fh);
if (x == -1 && y == -1 && w == -1 && h == -1) {
surface->pending.viewport.hasSource = false;
return;
}
if (x < 0 || y < 0) {
r->error(WP_VIEWPORT_ERROR_BAD_SIZE, "Pos was < 0");
return;
}
surface->pending.viewport.hasSource = true;
surface->pending.viewport.source = {x, y, w, h};
});
listeners.surfacePrecommit = surface->events.precommit.registerListener([this](std::any d) {
if (!surface || !surface->pending.texture)
return;
if (surface->pending.viewport.hasSource) {
auto& src = surface->pending.viewport.source;
if (src.w + src.x > surface->pending.bufferSize.x || src.h + src.y > surface->pending.bufferSize.y) {
resource->error(WP_VIEWPORT_ERROR_BAD_VALUE, "Box doesn't fit");
surface->pending.rejected = true;
return;
}
}
});
}
CViewportResource::~CViewportResource() {
if (!surface)
return;
surface->pending.viewport.hasDestination = false;
surface->pending.viewport.hasSource = false;
}
bool CViewportResource::good() {
return resource->resource();
}
CViewporterResource::CViewporterResource(SP<CWpViewporter> resource_) : resource(resource_) {
if (!good())
return;
resource->setDestroy([this](CWpViewporter* r) { PROTO::viewport->destroyResource(this); });
resource->setOnDestroy([this](CWpViewporter* r) { PROTO::viewport->destroyResource(this); });
resource->setGetViewport([](CWpViewporter* r, uint32_t id, wl_resource* surf) {
const auto RESOURCE = PROTO::viewport->m_vViewports.emplace_back(
makeShared<CViewportResource>(makeShared<CWpViewport>(r->client(), r->version(), id), CWLSurfaceResource::fromResource(surf)));
if (!RESOURCE->good()) {
r->noMemory();
PROTO::viewport->m_vViewports.pop_back();
return;
}
});
}
bool CViewporterResource::good() {
return resource->resource();
}
CViewporterProtocol::CViewporterProtocol(const wl_interface* iface, const int& ver, const std::string& name) : IWaylandProtocol(iface, ver, name) {
;
}
void CViewporterProtocol::bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id) {
const auto RESOURCE = m_vManagers.emplace_back(makeShared<CViewporterResource>(makeShared<CWpViewporter>(client, ver, id)));
if (!RESOURCE->good()) {
wl_client_post_no_memory(client);
m_vManagers.pop_back();
return;
}
}
void CViewporterProtocol::destroyResource(CViewporterResource* resource) {
std::erase_if(m_vManagers, [&](const auto& other) { return other.get() == resource; });
}
void CViewporterProtocol::destroyResource(CViewportResource* resource) {
std::erase_if(m_vViewports, [&](const auto& other) { return other.get() == resource; });
}
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