Hyprland/src/desktop/Subsurface.cpp

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#include "Subsurface.hpp"
#include "../events/Events.hpp"
#include "../Compositor.hpp"
static void onNewSubsurface(void* owner, void* data);
CSubsurface::CSubsurface(CWindow* pOwner) : m_pWindowParent(pOwner) {
initSignals();
wlr_subsurface* wlrSubsurface;
wl_list_for_each(wlrSubsurface, &pOwner->m_pWLSurface.wlr()->current.subsurfaces_below, current.link) {
::onNewSubsurface(this, wlrSubsurface);
}
wl_list_for_each(wlrSubsurface, &pOwner->m_pWLSurface.wlr()->current.subsurfaces_above, current.link) {
::onNewSubsurface(this, wlrSubsurface);
}
}
CSubsurface::CSubsurface(CPopup* pOwner) : m_pPopupParent(pOwner) {
initSignals();
wlr_subsurface* wlrSubsurface;
wl_list_for_each(wlrSubsurface, &pOwner->m_sWLSurface.wlr()->current.subsurfaces_below, current.link) {
::onNewSubsurface(this, wlrSubsurface);
}
wl_list_for_each(wlrSubsurface, &pOwner->m_sWLSurface.wlr()->current.subsurfaces_above, current.link) {
::onNewSubsurface(this, wlrSubsurface);
}
}
CSubsurface::CSubsurface(wlr_subsurface* pSubsurface, CWindow* pOwner) : m_pSubsurface(pSubsurface), m_pWindowParent(pOwner) {
m_sWLSurface.assign(pSubsurface->surface);
initSignals();
initExistingSubsurfaces();
}
CSubsurface::CSubsurface(wlr_subsurface* pSubsurface, CPopup* pOwner) : m_pSubsurface(pSubsurface), m_pPopupParent(pOwner) {
m_sWLSurface.assign(pSubsurface->surface);
initSignals();
initExistingSubsurfaces();
}
CSubsurface::~CSubsurface() {
hyprListener_newSubsurface.removeCallback();
if (!m_pSubsurface)
return;
hyprListener_commitSubsurface.removeCallback();
hyprListener_destroySubsurface.removeCallback();
}
static void onNewSubsurface(void* owner, void* data) {
const auto PSUBSURFACE = (CSubsurface*)owner;
PSUBSURFACE->onNewSubsurface((wlr_subsurface*)data);
}
static void onDestroySubsurface(void* owner, void* data) {
const auto PSUBSURFACE = (CSubsurface*)owner;
PSUBSURFACE->onDestroy();
}
static void onCommitSubsurface(void* owner, void* data) {
const auto PSUBSURFACE = (CSubsurface*)owner;
PSUBSURFACE->onCommit();
}
static void onMapSubsurface(void* owner, void* data) {
const auto PSUBSURFACE = (CSubsurface*)owner;
PSUBSURFACE->onMap();
}
static void onUnmapSubsurface(void* owner, void* data) {
const auto PSUBSURFACE = (CSubsurface*)owner;
PSUBSURFACE->onUnmap();
}
void CSubsurface::initSignals() {
if (m_pSubsurface) {
hyprListener_commitSubsurface.initCallback(&m_pSubsurface->surface->events.commit, &onCommitSubsurface, this, "CSubsurface");
hyprListener_destroySubsurface.initCallback(&m_pSubsurface->events.destroy, &onDestroySubsurface, this, "CSubsurface");
hyprListener_newSubsurface.initCallback(&m_pSubsurface->surface->events.new_subsurface, &::onNewSubsurface, this, "CSubsurface");
hyprListener_mapSubsurface.initCallback(&m_pSubsurface->surface->events.map, &onMapSubsurface, this, "CSubsurface");
hyprListener_unmapSubsurface.initCallback(&m_pSubsurface->surface->events.unmap, &onUnmapSubsurface, this, "CSubsurface");
} else {
if (m_pWindowParent)
hyprListener_newSubsurface.initCallback(&m_pWindowParent->m_pWLSurface.wlr()->events.new_subsurface, &::onNewSubsurface, this, "CSubsurface Head");
else if (m_pPopupParent)
hyprListener_newSubsurface.initCallback(&m_pPopupParent->m_sWLSurface.wlr()->events.new_subsurface, &::onNewSubsurface, this, "CSubsurface Head");
else
RASSERT(false, "CSubsurface::initSignals empty subsurface");
}
}
void CSubsurface::checkSiblingDamage() {
if (!m_pParent)
return; // ??????????
const double SCALE = m_pWindowParent && m_pWindowParent->m_bIsX11 ? 1.0 / m_pWindowParent->m_fX11SurfaceScaledBy : 1.0;
for (auto& n : m_pParent->m_vChildren) {
if (n.get() == this)
continue;
const auto COORDS = n->coordsGlobal();
g_pHyprRenderer->damageSurface(n->m_sWLSurface.wlr(), COORDS.x, COORDS.y, SCALE);
}
}
void CSubsurface::recheckDamageForSubsurfaces() {
for (auto& n : m_vChildren) {
const auto COORDS = n->coordsGlobal();
g_pHyprRenderer->damageSurface(n->m_sWLSurface.wlr(), COORDS.x, COORDS.y);
}
}
void CSubsurface::onCommit() {
// no damaging if it's not visible
if (!g_pHyprRenderer->shouldRenderWindow(m_pWindowParent)) {
m_vLastSize = Vector2D{m_sWLSurface.wlr()->current.width, m_sWLSurface.wlr()->current.height};
static auto* const PLOGDAMAGE = (Hyprlang::INT* const*)g_pConfigManager->getConfigValuePtr("debug:log_damage");
if (**PLOGDAMAGE)
Debug::log(LOG, "Refusing to commit damage from a subsurface of {} because it's invisible.", m_pWindowParent);
return;
}
const auto COORDS = coordsGlobal();
g_pHyprRenderer->damageSurface(m_sWLSurface.wlr(), COORDS.x, COORDS.y);
if (m_pPopupParent)
m_pPopupParent->recheckTree();
if (m_pWindowParent) // I hate you firefox why are you doing this
m_pWindowParent->m_pPopupHead->recheckTree();
// I do not think this is correct, but it solves a lot of issues with some apps (e.g. firefox)
checkSiblingDamage();
if (m_vLastSize != Vector2D{m_sWLSurface.wlr()->current.width, m_sWLSurface.wlr()->current.height}) {
CBox box{COORDS, m_vLastSize};
g_pHyprRenderer->damageBox(&box);
m_vLastSize = Vector2D{m_sWLSurface.wlr()->current.width, m_sWLSurface.wlr()->current.height};
box = {COORDS, m_vLastSize};
g_pHyprRenderer->damageBox(&box);
}
if (m_pWindowParent) {
// tearing: if solitary, redraw it. This still might be a single surface window
const auto PMONITOR = g_pCompositor->getMonitorFromID(m_pWindowParent->m_iMonitorID);
if (PMONITOR && PMONITOR->solitaryClient == m_pWindowParent && m_pWindowParent->canBeTorn() && PMONITOR->tearingState.canTear &&
m_sWLSurface.wlr()->current.committed & WLR_SURFACE_STATE_BUFFER) {
CRegion damageBox{&m_sWLSurface.wlr()->buffer_damage};
if (!damageBox.empty()) {
if (PMONITOR->tearingState.busy) {
PMONITOR->tearingState.frameScheduledWhileBusy = true;
} else {
PMONITOR->tearingState.nextRenderTorn = true;
g_pHyprRenderer->renderMonitor(PMONITOR);
}
}
}
}
}
void CSubsurface::onDestroy() {
// destroy children
m_vChildren.clear();
m_bInert = true;
if (!m_pSubsurface)
return; // dummy node, nothing to do, it's the parent dying
// kill ourselves
std::erase_if(m_pParent->m_vChildren, [this](const auto& other) { return other.get() == this; });
}
void CSubsurface::onNewSubsurface(wlr_subsurface* pSubsurface) {
CSubsurface* PSUBSURFACE = nullptr;
if (m_pWindowParent)
PSUBSURFACE = m_vChildren.emplace_back(std::make_unique<CSubsurface>(pSubsurface, m_pWindowParent)).get();
else if (m_pPopupParent)
PSUBSURFACE = m_vChildren.emplace_back(std::make_unique<CSubsurface>(pSubsurface, m_pPopupParent)).get();
PSUBSURFACE->m_pParent = this;
ASSERT(PSUBSURFACE);
}
void CSubsurface::onMap() {
m_vLastSize = {m_sWLSurface.wlr()->current.width, m_sWLSurface.wlr()->current.height};
const auto COORDS = coordsGlobal();
CBox box{COORDS, m_vLastSize};
g_pHyprRenderer->damageBox(&box);
if (m_pWindowParent)
m_pWindowParent->updateSurfaceScaleTransformDetails();
}
void CSubsurface::onUnmap() {
const auto COORDS = coordsGlobal();
CBox box{COORDS, m_vLastSize};
g_pHyprRenderer->damageBox(&box);
if (m_sWLSurface.wlr() == g_pCompositor->m_pLastFocus)
g_pInputManager->releaseAllMouseButtons();
if (m_pWindowParent)
m_pWindowParent->updateSurfaceScaleTransformDetails();
g_pInputManager->simulateMouseMovement();
// TODO: should this remove children? Currently it won't, only on .destroy
}
Vector2D CSubsurface::coordsRelativeToParent() {
Vector2D offset;
CSubsurface* current = this;
while (current->m_pParent) {
offset += {current->m_sWLSurface.wlr()->current.dx, current->m_sWLSurface.wlr()->current.dy};
offset += {current->m_pSubsurface->current.x, current->m_pSubsurface->current.y};
current = current->m_pParent;
}
return offset;
}
Vector2D CSubsurface::coordsGlobal() {
Vector2D coords = coordsRelativeToParent();
if (m_pWindowParent)
coords += m_pWindowParent->m_vRealPosition.vec();
else if (m_pPopupParent)
coords += m_pPopupParent->coordsGlobal();
return coords;
}
void CSubsurface::initExistingSubsurfaces() {
if (m_pWindowParent)
return;
wlr_subsurface* wlrSubsurface;
wl_list_for_each(wlrSubsurface, &m_sWLSurface.wlr()->current.subsurfaces_below, current.link) {
::onNewSubsurface(this, wlrSubsurface);
}
wl_list_for_each(wlrSubsurface, &m_sWLSurface.wlr()->current.subsurfaces_above, current.link) {
::onNewSubsurface(this, wlrSubsurface);
}
}