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#include "XDGOutput.hpp"
#include "../Compositor.hpp"
#include "xdg-output-unstable-v1-protocol.h"
#define OUTPUT_MANAGER_VERSION 3
#define OUTPUT_DONE_DEPRECATED_SINCE_VERSION 3
#define OUTPUT_DESCRIPTION_MUTABLE_SINCE_VERSION 3
static void destroyManagerResource(wl_client* client, wl_resource* resource) {
((CXDGOutputProtocol*)wl_resource_get_user_data(resource))->onManagerResourceDestroy(resource);
wl_resource_destroy(resource);
}
static void destroyOutputResource(wl_client* client, wl_resource* resource) {
((CXDGOutputProtocol*)wl_resource_get_user_data(resource))->onOutputResourceDestroy(resource);
wl_resource_destroy(resource);
}
static void destroyOutputResourceOnly(wl_resource* resource) {
((CXDGOutputProtocol*)wl_resource_get_user_data(resource))->onOutputResourceDestroy(resource);
}
static void getXDGOutput(wl_client* client, wl_resource* resource, uint32_t id, wl_resource* outputResource) {
((CXDGOutputProtocol*)wl_resource_get_user_data(resource))->onManagerGetXDGOutput(client, resource, id, outputResource);
}
//
static const struct zxdg_output_manager_v1_interface MANAGER_IMPL = {
.destroy = destroyManagerResource,
.get_xdg_output = getXDGOutput,
};
static const struct zxdg_output_v1_interface OUTPUT_IMPL = {
.destroy = destroyOutputResource,
};
void CXDGOutputProtocol::onManagerResourceDestroy(wl_resource* res) {
std::erase_if(m_vManagerResources, [&](const auto& other) { return other->resource() == res; });
}
void CXDGOutputProtocol::onOutputResourceDestroy(wl_resource* res) {
std::erase_if(m_vXDGOutputs, [&](const auto& other) { return !other->resource || other->resource->resource() == res; });
}
void CXDGOutputProtocol::bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id) {
const auto RESOURCE = m_vManagerResources.emplace_back(std::make_unique<CWaylandResource>(client, &zxdg_output_manager_v1_interface, ver, id, false)).get();
if (!RESOURCE->good()) {
Debug::log(LOG, "Couldn't bind XDGOutputMgr");
return;
}
RESOURCE->setImplementation(&MANAGER_IMPL, this, nullptr);
}
CXDGOutputProtocol::CXDGOutputProtocol(const wl_interface* iface, const int& ver, const std::string& name) : IWaylandProtocol(iface, ver, name) {
g_pHookSystem->hookDynamic("monitorLayoutChanged", [&](void* self, std::any param) { this->updateAllOutputs(); });
g_pHookSystem->hookDynamic("configReloaded", [&](void* self, std::any param) { this->updateAllOutputs(); });
g_pHookSystem->hookDynamic("monitorRemoved", [&](void* self, std::any param) {
const auto PMONITOR = std::any_cast<CMonitor*>(param);
std::erase_if(m_vXDGOutputs, [&](const auto& other) { return other->monitor == PMONITOR; });
});
}
void CXDGOutputProtocol::onManagerGetXDGOutput(wl_client* client, wl_resource* resource, uint32_t id, wl_resource* outputResource) {
const auto OUTPUT = wlr_output_from_resource(outputResource);
if (!OUTPUT)
return;
const auto PMONITOR = g_pCompositor->getMonitorFromOutput(OUTPUT);
if (!PMONITOR)
return;
SXDGOutput* pXDGOutput = m_vXDGOutputs.emplace_back(std::make_unique<SXDGOutput>(PMONITOR)).get();
#ifndef NO_XWAYLAND
if (g_pXWaylandManager->m_sWLRXWayland && g_pXWaylandManager->m_sWLRXWayland->server && g_pXWaylandManager->m_sWLRXWayland->server->client == client)
pXDGOutput->isXWayland = true;
#endif
pXDGOutput->client = client;
pXDGOutput->resource = std::make_unique<CWaylandResource>(client, &zxdg_output_v1_interface, wl_resource_get_version(resource), id);
if (!pXDGOutput->resource->good()) {
pXDGOutput->resource.release();
return;
}
pXDGOutput->resource->setImplementation(&OUTPUT_IMPL, this, destroyOutputResourceOnly);
const auto XDGVER = pXDGOutput->resource->version();
if (XDGVER >= ZXDG_OUTPUT_V1_NAME_SINCE_VERSION)
zxdg_output_v1_send_name(pXDGOutput->resource->resource(), PMONITOR->szName.c_str());
if (XDGVER >= ZXDG_OUTPUT_V1_DESCRIPTION_SINCE_VERSION && PMONITOR->output->description)
zxdg_output_v1_send_description(pXDGOutput->resource->resource(), PMONITOR->output->description);
updateAllOutputs();
const auto OUTPUTVER = wl_resource_get_version(outputResource);
if (OUTPUTVER >= WL_OUTPUT_DONE_SINCE_VERSION && XDGVER >= OUTPUT_DONE_DEPRECATED_SINCE_VERSION)
wl_output_send_done(outputResource);
}
void CXDGOutputProtocol::updateOutputDetails(SXDGOutput* pOutput) {
static auto* const PXWLFORCESCALEZERO = &g_pConfigManager->getConfigValuePtr("xwayland:force_zero_scaling")->intValue;
const auto POS = pOutput->overridePosition.value_or(pOutput->monitor->vecPosition);
zxdg_output_v1_send_logical_position(pOutput->resource->resource(), POS.x, POS.y);
if (*PXWLFORCESCALEZERO && pOutput->isXWayland)
zxdg_output_v1_send_logical_size(pOutput->resource->resource(), pOutput->monitor->vecTransformedSize.x, pOutput->monitor->vecTransformedSize.y);
else
zxdg_output_v1_send_logical_size(pOutput->resource->resource(), pOutput->monitor->vecSize.x, pOutput->monitor->vecSize.y);
if (wl_resource_get_version(pOutput->resource->resource()) < OUTPUT_DONE_DEPRECATED_SINCE_VERSION)
zxdg_output_v1_send_done(pOutput->resource->resource());
}
void CXDGOutputProtocol::updateAllOutputs() {
static auto* const PXWLFORCESCALEZERO = &g_pConfigManager->getConfigValuePtr("xwayland:force_zero_scaling")->intValue;
std::vector<SXDGOutput*> xwlOutputs;
for (auto& o : m_vXDGOutputs) {
if (o->isXWayland && *PXWLFORCESCALEZERO) {
xwlOutputs.push_back(o.get());
o->overridePosition.reset();
continue;
}
updateOutputDetails(o.get());
wlr_output_schedule_done(o->monitor->output);
}
// all of this will be noop if force_zero_scaling is off
std::sort(xwlOutputs.begin(), xwlOutputs.end(), [&](const auto& a, const auto& b) { return a->monitor->vecPosition < b->monitor->vecPosition; });
for (auto& o : xwlOutputs) {
Vector2D suggestedPos = o->monitor->vecPosition;
// check for overlaps
for (auto& o1 : xwlOutputs) {
if (!o1->overridePosition.has_value())
continue;
const auto OPOS = o1->overridePosition.value();
if (OPOS.x + o1->monitor->vecTransformedSize.x > suggestedPos.x && /* Y overlap */
!(suggestedPos.y + o->monitor->vecTransformedSize.y <= OPOS.y || OPOS.y + o1->monitor->vecTransformedSize.y <= suggestedPos.y))
suggestedPos.x = OPOS.x + o1->monitor->vecTransformedSize.x;
if (OPOS.y + o1->monitor->vecTransformedSize.y > suggestedPos.y && /* X overlap */
!(suggestedPos.x + o->monitor->vecTransformedSize.x <= OPOS.x || OPOS.x + o1->monitor->vecTransformedSize.x <= suggestedPos.x))
suggestedPos.y = OPOS.y + o1->monitor->vecTransformedSize.y;
}
o->overridePosition = suggestedPos;
updateOutputDetails(o);
wlr_output_schedule_done(o->monitor->output);
}
}
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