mirror of
https://github.com/hyprwm/Hyprland
synced 2025-12-20 08:50:05 +01:00
104 lines
4.2 KiB
C++
104 lines
4.2 KiB
C++
#include "AlphaModifier.hpp"
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#include "../desktop/WLSurface.hpp"
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#include "../render/Renderer.hpp"
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#include "alpha-modifier-v1.hpp"
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#include "core/Compositor.hpp"
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CAlphaModifier::CAlphaModifier(SP<CWpAlphaModifierSurfaceV1> resource, SP<CWLSurfaceResource> surface) : m_surface(surface) {
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setResource(std::move(resource));
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}
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bool CAlphaModifier::good() {
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return m_resource->resource();
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}
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void CAlphaModifier::setResource(SP<CWpAlphaModifierSurfaceV1> resource) {
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m_resource = std::move(resource);
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if UNLIKELY (!m_resource->resource())
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return;
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m_resource->setDestroy([this](CWpAlphaModifierSurfaceV1* resource) { destroy(); });
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m_resource->setOnDestroy([this](CWpAlphaModifierSurfaceV1* resource) { destroy(); });
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m_resource->setSetMultiplier([this](CWpAlphaModifierSurfaceV1* resource, uint32_t alpha) {
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if (!m_surface) {
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m_resource->error(WP_ALPHA_MODIFIER_SURFACE_V1_ERROR_NO_SURFACE, "set_multiplier called for destroyed wl_surface");
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return;
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}
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m_alpha = alpha / (float)UINT32_MAX;
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});
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m_listeners.surfaceCommitted = m_surface->m_events.commit.registerListener([this](std::any data) {
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auto surface = CWLSurface::fromResource(m_surface.lock());
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if (surface && surface->m_alphaModifier != m_alpha) {
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surface->m_alphaModifier = m_alpha;
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auto box = surface->getSurfaceBoxGlobal();
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if (box.has_value())
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g_pHyprRenderer->damageBox(*box);
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if (!m_resource)
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PROTO::alphaModifier->destroyAlphaModifier(this);
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}
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});
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m_listeners.surfaceDestroyed = m_surface->m_events.destroy.registerListener([this](std::any data) {
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if (!m_resource)
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PROTO::alphaModifier->destroyAlphaModifier(this);
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});
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}
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void CAlphaModifier::destroy() {
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m_resource.reset();
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m_alpha = 1.F;
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if (!m_surface)
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PROTO::alphaModifier->destroyAlphaModifier(this);
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}
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CAlphaModifierProtocol::CAlphaModifierProtocol(const wl_interface* iface, const int& ver, const std::string& name) : IWaylandProtocol(iface, ver, name) {
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;
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}
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void CAlphaModifierProtocol::bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id) {
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const auto RESOURCE = m_managers.emplace_back(makeUnique<CWpAlphaModifierV1>(client, ver, id)).get();
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RESOURCE->setOnDestroy([this](CWpAlphaModifierV1* manager) { destroyManager(manager); });
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RESOURCE->setDestroy([this](CWpAlphaModifierV1* manager) { destroyManager(manager); });
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RESOURCE->setGetSurface([this](CWpAlphaModifierV1* manager, uint32_t id, wl_resource* surface) { getSurface(manager, id, CWLSurfaceResource::fromResource(surface)); });
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}
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void CAlphaModifierProtocol::destroyManager(CWpAlphaModifierV1* manager) {
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std::erase_if(m_managers, [&](const auto& p) { return p.get() == manager; });
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}
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void CAlphaModifierProtocol::destroyAlphaModifier(CAlphaModifier* modifier) {
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std::erase_if(m_alphaModifiers, [&](const auto& entry) { return entry.second.get() == modifier; });
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}
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void CAlphaModifierProtocol::getSurface(CWpAlphaModifierV1* manager, uint32_t id, SP<CWLSurfaceResource> surface) {
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CAlphaModifier* alphaModifier = nullptr;
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auto iter = std::find_if(m_alphaModifiers.begin(), m_alphaModifiers.end(), [&](const auto& entry) { return entry.second->m_surface == surface; });
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if (iter != m_alphaModifiers.end()) {
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if (iter->second->m_resource) {
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LOGM(ERR, "AlphaModifier already present for surface {:x}", (uintptr_t)surface.get());
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manager->error(WP_ALPHA_MODIFIER_V1_ERROR_ALREADY_CONSTRUCTED, "AlphaModifier already present");
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return;
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} else {
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iter->second->setResource(makeShared<CWpAlphaModifierSurfaceV1>(manager->client(), manager->version(), id));
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alphaModifier = iter->second.get();
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}
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} else {
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alphaModifier = m_alphaModifiers.emplace(surface, makeUnique<CAlphaModifier>(makeShared<CWpAlphaModifierSurfaceV1>(manager->client(), manager->version(), id), surface))
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.first->second.get();
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}
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if UNLIKELY (!alphaModifier->good()) {
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manager->noMemory();
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m_alphaModifiers.erase(surface);
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}
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}
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