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#include "AlphaModifier.hpp"
#include <algorithm>
#include "../desktop/WLSurface.hpp"
#include "../render/Renderer.hpp"
#define LOGM PROTO::alphaModifier->protoLog
CAlphaModifier::CAlphaModifier(SP<CWpAlphaModifierSurfaceV1> resource_, wlr_surface* surface_) : resource(resource_), pSurface(surface_) {
if (!resource->resource())
return;
resource->setDestroy([this](CWpAlphaModifierSurfaceV1* pMgr) {
PROTO::alphaModifier->destroyModifier(this);
setSurfaceAlpha(1.F);
});
resource->setOnDestroy([this](CWpAlphaModifierSurfaceV1* pMgr) {
PROTO::alphaModifier->destroyModifier(this);
setSurfaceAlpha(1.F);
});
hyprListener_surfaceDestroy.initCallback(
&surface_->events.destroy, [this](void* owner, void* data) { onSurfaceDestroy(); }, this, "CAlphaModifier");
resource->setSetMultiplier([this](CWpAlphaModifierSurfaceV1* mod, uint32_t alpha) {
if (!pSurface) {
LOGM(ERR, "Resource {:x} tried to setMultiplier but surface is gone", (uintptr_t)mod->resource());
mod->error(WP_ALPHA_MODIFIER_SURFACE_V1_ERROR_NO_SURFACE, "Surface is gone");
return;
}
float a = alpha / (float)UINT32_MAX;
setSurfaceAlpha(a);
});
}
CAlphaModifier::~CAlphaModifier() {
hyprListener_surfaceDestroy.removeCallback();
}
bool CAlphaModifier::good() {
return resource->resource();
}
wlr_surface* CAlphaModifier::getSurface() {
return pSurface;
}
void CAlphaModifier::setSurfaceAlpha(float a) {
CWLSurface* surf = CWLSurface::surfaceFromWlr(pSurface);
if (!surf) {
LOGM(ERR, "CAlphaModifier::setSurfaceAlpha: No CWLSurface for given surface??");
return;
}
surf->m_pAlphaModifier = a;
auto SURFBOX = surf->getSurfaceBoxGlobal();
if (SURFBOX.has_value())
g_pHyprRenderer->damageBox(&*SURFBOX);
}
void CAlphaModifier::onSurfaceDestroy() {
hyprListener_surfaceDestroy.removeCallback();
pSurface = nullptr;
}
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_vManagers.emplace_back(std::make_unique<CWpAlphaModifierV1>(client, ver, id)).get();
RESOURCE->setOnDestroy([this](CWpAlphaModifierV1* p) { this->onManagerResourceDestroy(p->resource()); });
RESOURCE->setDestroy([this](CWpAlphaModifierV1* pMgr) { this->onManagerResourceDestroy(pMgr->resource()); });
RESOURCE->setGetSurface([this](CWpAlphaModifierV1* pMgr, uint32_t id, wl_resource* surface) { this->onGetSurface(pMgr, id, wlr_surface_from_resource(surface)); });
}
void CAlphaModifierProtocol::onManagerResourceDestroy(wl_resource* res) {
std::erase_if(m_vManagers, [&](const auto& other) { return other->resource() == res; });
}
void CAlphaModifierProtocol::destroyModifier(CAlphaModifier* modifier) {
if (modifier->getSurface())
m_mAlphaModifiers.erase(modifier->getSurface());
else {
// find it first
wlr_surface* deadptr = nullptr;
for (auto& [k, v] : m_mAlphaModifiers) {
if (v.get() == modifier) {
deadptr = k;
break;
}
}
if (!deadptr) {
LOGM(ERR, "CAlphaModifierProtocol::destroyModifier: dead resource but no deadptr???");
return;
}
m_mAlphaModifiers.erase(deadptr);
}
}
void CAlphaModifierProtocol::onGetSurface(CWpAlphaModifierV1* pMgr, uint32_t id, wlr_surface* surface) {
if (m_mAlphaModifiers.contains(surface)) {
LOGM(ERR, "AlphaModifier already present for surface {:x}", (uintptr_t)surface);
pMgr->error(WP_ALPHA_MODIFIER_V1_ERROR_ALREADY_CONSTRUCTED, "AlphaModifier already present");
return;
}
const auto RESOURCE =
m_mAlphaModifiers.emplace(surface, std::make_unique<CAlphaModifier>(std::make_shared<CWpAlphaModifierSurfaceV1>(pMgr->client(), pMgr->version(), id), surface))
.first->second.get();
if (!RESOURCE->good()) {
pMgr->noMemory();
m_mAlphaModifiers.erase(surface);
return;
}
}
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