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#include "AlphaModifier.hpp"
#include "../desktop/WLSurface.hpp"
#include "../render/Renderer.hpp"
#include "alpha-modifier-v1.hpp"
#include "core/Compositor.hpp"
CAlphaModifier::CAlphaModifier(SP<CWpAlphaModifierSurfaceV1> resource, SP<CWLSurfaceResource> surface) : m_surface(surface) {
setResource(std::move(resource));
}
bool CAlphaModifier::good() {
return m_resource->resource();
}
void CAlphaModifier::setResource(SP<CWpAlphaModifierSurfaceV1> resource) {
m_resource = std::move(resource);
if UNLIKELY (!m_resource->resource())
return;
m_resource->setDestroy([this](CWpAlphaModifierSurfaceV1* resource) { destroy(); });
m_resource->setOnDestroy([this](CWpAlphaModifierSurfaceV1* resource) { destroy(); });
m_resource->setSetMultiplier([this](CWpAlphaModifierSurfaceV1* resource, uint32_t alpha) {
if (!m_surface) {
m_resource->error(WP_ALPHA_MODIFIER_SURFACE_V1_ERROR_NO_SURFACE, "set_multiplier called for destroyed wl_surface");
return;
}
m_alpha = alpha / (float)UINT32_MAX;
});
m_listeners.surfaceCommitted = m_surface->m_events.commit.listen([this] {
auto surface = CWLSurface::fromResource(m_surface.lock());
if (surface && surface->m_alphaModifier != m_alpha) {
surface->m_alphaModifier = m_alpha;
auto box = surface->getSurfaceBoxGlobal();
if (box.has_value())
g_pHyprRenderer->damageBox(*box);
if (!m_resource)
PROTO::alphaModifier->destroyAlphaModifier(this);
}
});
m_listeners.surfaceDestroyed = m_surface->m_events.destroy.listen([this] {
if (!m_resource)
PROTO::alphaModifier->destroyAlphaModifier(this);
});
}
void CAlphaModifier::destroy() {
m_resource.reset();
m_alpha = 1.F;
if (!m_surface)
PROTO::alphaModifier->destroyAlphaModifier(this);
}
CAlphaModifierProtocol::CAlphaModifierProtocol(const wl_interface* iface, const int& ver, const std::string& name) : IWaylandProtocol(iface, ver, name) {
;
}
void CAlphaModifierProtocol::bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id) {
const auto RESOURCE = m_managers.emplace_back(makeUnique<CWpAlphaModifierV1>(client, ver, id)).get();
RESOURCE->setOnDestroy([this](CWpAlphaModifierV1* manager) { destroyManager(manager); });
RESOURCE->setDestroy([this](CWpAlphaModifierV1* manager) { destroyManager(manager); });
RESOURCE->setGetSurface([this](CWpAlphaModifierV1* manager, uint32_t id, wl_resource* surface) { getSurface(manager, id, CWLSurfaceResource::fromResource(surface)); });
}
void CAlphaModifierProtocol::destroyManager(CWpAlphaModifierV1* manager) {
std::erase_if(m_managers, [&](const auto& p) { return p.get() == manager; });
}
void CAlphaModifierProtocol::destroyAlphaModifier(CAlphaModifier* modifier) {
std::erase_if(m_alphaModifiers, [&](const auto& entry) { return entry.second.get() == modifier; });
}
void CAlphaModifierProtocol::getSurface(CWpAlphaModifierV1* manager, uint32_t id, SP<CWLSurfaceResource> surface) {
CAlphaModifier* alphaModifier = nullptr;
auto iter = std::ranges::find_if(m_alphaModifiers, [&](const auto& entry) { return entry.second->m_surface == surface; });
if (iter != m_alphaModifiers.end()) {
if (iter->second->m_resource) {
LOGM(ERR, "AlphaModifier already present for surface {:x}", (uintptr_t)surface.get());
manager->error(WP_ALPHA_MODIFIER_V1_ERROR_ALREADY_CONSTRUCTED, "AlphaModifier already present");
return;
} else {
iter->second->setResource(makeShared<CWpAlphaModifierSurfaceV1>(manager->client(), manager->version(), id));
alphaModifier = iter->second.get();
}
} else {
alphaModifier = m_alphaModifiers.emplace(surface, makeUnique<CAlphaModifier>(makeShared<CWpAlphaModifierSurfaceV1>(manager->client(), manager->version(), id), surface))
.first->second.get();
}
if UNLIKELY (!alphaModifier->good()) {
manager->noMemory();
m_alphaModifiers.erase(surface);
}
}
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