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https://github.com/hyprwm/Hyprland.git
synced 2025-08-05 06:31:57 -07:00
pointer-constraints: move to new impl
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Vaxry
260
src/protocols/PointerConstraints.cpp
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260
src/protocols/PointerConstraints.cpp
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#include "PointerConstraints.hpp"
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#include "../desktop/WLSurface.hpp"
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#include "../Compositor.hpp"
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#include "../config/ConfigValue.hpp"
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#define LOGM PROTO::constraints->protoLog
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CPointerConstraint::CPointerConstraint(SP<CZwpLockedPointerV1> resource_, wlr_surface* surf, wl_resource* region_, zwpPointerConstraintsV1Lifetime lifetime) :
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resourceL(resource_), locked(true) {
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if (!resource_->resource())
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return;
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resource_->setOnDestroy([this](CZwpLockedPointerV1* p) { PROTO::constraints->destroyPointerConstraint(this); });
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resource_->setDestroy([this](CZwpLockedPointerV1* p) { PROTO::constraints->destroyPointerConstraint(this); });
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pHLSurface = CWLSurface::surfaceFromWlr(surf);
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if (!pHLSurface)
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return;
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if (region_)
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region.set(wlr_region_from_resource(region_));
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resource_->setSetRegion([this](CZwpLockedPointerV1* p, wl_resource* region) { onSetRegion(region); });
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resource_->setSetCursorPositionHint([this](CZwpLockedPointerV1* p, wl_fixed_t x, wl_fixed_t y) {
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static auto PXWLFORCESCALEZERO = CConfigValue<Hyprlang::INT>("xwayland:force_zero_scaling");
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if (!pHLSurface)
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return;
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hintSet = true;
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float scale = 1.f;
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const auto PWINDOW = pHLSurface->getWindow();
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if (PWINDOW) {
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const auto ISXWL = PWINDOW->m_bIsX11;
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scale = ISXWL && *PXWLFORCESCALEZERO ? PWINDOW->m_fX11SurfaceScaledBy : 1.f;
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}
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positionHint = {wl_fixed_to_double(x) / scale, wl_fixed_to_double(y) / scale};
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g_pInputManager->simulateMouseMovement();
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});
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sharedConstructions();
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}
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CPointerConstraint::CPointerConstraint(SP<CZwpConfinedPointerV1> resource_, wlr_surface* surf, wl_resource* region_, zwpPointerConstraintsV1Lifetime lifetime) :
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resourceC(resource_), locked(false) {
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if (!resource_->resource())
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return;
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resource_->setOnDestroy([this](CZwpConfinedPointerV1* p) { PROTO::constraints->destroyPointerConstraint(this); });
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resource_->setDestroy([this](CZwpConfinedPointerV1* p) { PROTO::constraints->destroyPointerConstraint(this); });
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pHLSurface = CWLSurface::surfaceFromWlr(surf);
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if (!pHLSurface)
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return;
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if (region_)
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region.set(wlr_region_from_resource(region_));
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resource_->setSetRegion([this](CZwpConfinedPointerV1* p, wl_resource* region) { onSetRegion(region); });
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sharedConstructions();
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}
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CPointerConstraint::~CPointerConstraint() {
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std::erase_if(g_pInputManager->m_vConstraints, [this](const auto& c) {
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const auto SHP = c.lock();
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return !SHP || SHP.get() == this;
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});
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if (pHLSurface)
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pHLSurface->m_pConstraint.reset();
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}
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void CPointerConstraint::sharedConstructions() {
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if (pHLSurface) {
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listeners.destroySurface = pHLSurface->events.destroy.registerListener([this](std::any d) {
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pHLSurface = nullptr;
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if (active)
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deactivate();
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std::erase_if(g_pInputManager->m_vConstraints, [this](const auto& c) {
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const auto SHP = c.lock();
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return !SHP || SHP.get() == this;
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});
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});
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}
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cursorPosOnActivate = g_pInputManager->getMouseCoordsInternal();
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if (g_pCompositor->m_pLastFocus == pHLSurface->wlr())
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activate();
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}
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bool CPointerConstraint::good() {
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return locked ? resourceL->resource() : resourceC->resource();
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}
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void CPointerConstraint::deactivate() {
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if (!active)
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return;
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if (locked)
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resourceL->sendUnlocked();
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else
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resourceC->sendUnconfined();
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active = false;
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if (locked)
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g_pCompositor->warpCursorTo(logicPositionHint(), true);
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if (lifetime == ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_ONESHOT) {
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dead = true;
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// remove from inputmgr
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std::erase_if(g_pInputManager->m_vConstraints, [this](const auto& c) {
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const auto SHP = c.lock();
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return !SHP || SHP.get() == this;
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});
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}
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}
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void CPointerConstraint::activate() {
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if (dead || active)
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return;
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// TODO: hack, probably not a super duper great idea
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if (g_pCompositor->m_sSeat.seat->pointer_state.focused_surface != pHLSurface->wlr()) {
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const auto SURFBOX = pHLSurface->getSurfaceBoxGlobal();
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const auto LOCAL = SURFBOX.has_value() ? logicPositionHint() - SURFBOX->pos() : Vector2D{};
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wlr_seat_pointer_enter(g_pCompositor->m_sSeat.seat, pHLSurface->wlr(), LOCAL.x, LOCAL.y);
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}
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g_pCompositor->warpCursorTo(logicPositionHint(), true);
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if (locked)
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resourceL->sendLocked();
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else
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resourceC->sendConfined();
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active = true;
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g_pInputManager->simulateMouseMovement();
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}
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bool CPointerConstraint::isActive() {
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return active;
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}
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void CPointerConstraint::onSetRegion(wl_resource* wlRegion) {
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if (!wlRegion) {
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region.clear();
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return;
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}
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const auto REGION = wlr_region_from_resource(wlRegion);
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region.set(REGION);
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positionHint = region.closestPoint(positionHint);
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g_pInputManager->simulateMouseMovement(); // to warp the cursor if anything's amiss
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}
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CWLSurface* CPointerConstraint::owner() {
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return pHLSurface;
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}
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CRegion CPointerConstraint::logicConstraintRegion() {
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CRegion rg = region;
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const auto SURFBOX = pHLSurface->getSurfaceBoxGlobal();
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const auto CONSTRAINTPOS = SURFBOX.has_value() ? SURFBOX->pos() : Vector2D{};
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rg.translate(CONSTRAINTPOS);
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return rg;
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}
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bool CPointerConstraint::isLocked() {
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return locked;
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}
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Vector2D CPointerConstraint::logicPositionHint() {
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if (!pHLSurface)
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return {};
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const auto SURFBOX = pHLSurface->getSurfaceBoxGlobal();
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const auto CONSTRAINTPOS = SURFBOX.has_value() ? SURFBOX->pos() : Vector2D{};
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return hintSet ? CONSTRAINTPOS + positionHint : (locked ? CONSTRAINTPOS + SURFBOX->size() / 2.f : cursorPosOnActivate);
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}
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CPointerConstraintsProtocol::CPointerConstraintsProtocol(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 CPointerConstraintsProtocol::bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id) {
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const auto RESOURCE = m_vManagers.emplace_back(std::make_unique<CZwpPointerConstraintsV1>(client, ver, id)).get();
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RESOURCE->setOnDestroy([this](CZwpPointerConstraintsV1* p) { this->onManagerResourceDestroy(p->resource()); });
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RESOURCE->setDestroy([this](CZwpPointerConstraintsV1* pMgr) { this->onManagerResourceDestroy(pMgr->resource()); });
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RESOURCE->setConfinePointer([this](CZwpPointerConstraintsV1* pMgr, uint32_t id, wl_resource* surface, wl_resource* pointer, wl_resource* region,
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zwpPointerConstraintsV1Lifetime lifetime) { this->onConfinePointer(pMgr, id, surface, pointer, region, lifetime); });
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RESOURCE->setLockPointer([this](CZwpPointerConstraintsV1* pMgr, uint32_t id, wl_resource* surface, wl_resource* pointer, wl_resource* region,
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zwpPointerConstraintsV1Lifetime lifetime) { this->onLockPointer(pMgr, id, surface, pointer, region, lifetime); });
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}
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void CPointerConstraintsProtocol::onManagerResourceDestroy(wl_resource* res) {
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std::erase_if(m_vManagers, [&](const auto& other) { return other->resource() == res; });
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}
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void CPointerConstraintsProtocol::destroyPointerConstraint(CPointerConstraint* hyprland🥚) {
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std::erase_if(m_vConstraints, [&](const auto& other) { return other.get() == hyprland🥚; });
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}
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void CPointerConstraintsProtocol::onNewConstraint(SP<CPointerConstraint> constraint, CZwpPointerConstraintsV1* pMgr) {
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if (!constraint->good()) {
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LOGM(ERR, "Couldn't create constraint??");
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wl_resource_post_no_memory(pMgr->resource());
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m_vConstraints.pop_back();
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return;
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}
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if (!constraint->owner()) {
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LOGM(ERR, "New constraint has no CWLSurface owner??");
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return;
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}
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const auto OWNER = constraint->owner();
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const auto DUPES = std::count_if(m_vConstraints.begin(), m_vConstraints.end(), [OWNER](const auto& c) { return c->owner() == OWNER; });
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if (DUPES > 1) {
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LOGM(ERR, "Constraint for surface duped");
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wl_resource_post_error(pMgr->resource(), ZWP_POINTER_CONSTRAINTS_V1_ERROR_ALREADY_CONSTRAINED, "Surface already confined");
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m_vConstraints.pop_back();
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return;
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}
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OWNER->appendConstraint(constraint);
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g_pInputManager->m_vConstraints.push_back(constraint);
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}
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void CPointerConstraintsProtocol::onLockPointer(CZwpPointerConstraintsV1* pMgr, uint32_t id, wl_resource* surface, wl_resource* pointer, wl_resource* region,
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zwpPointerConstraintsV1Lifetime lifetime) {
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const auto CLIENT = wl_resource_get_client(pMgr->resource());
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const auto RESOURCE = m_vConstraints.emplace_back(std::make_shared<CPointerConstraint>(
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std::make_shared<CZwpLockedPointerV1>(CLIENT, wl_resource_get_version(pMgr->resource()), id), wlr_surface_from_resource(surface), region, lifetime));
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onNewConstraint(RESOURCE, pMgr);
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}
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void CPointerConstraintsProtocol::onConfinePointer(CZwpPointerConstraintsV1* pMgr, uint32_t id, wl_resource* surface, wl_resource* pointer, wl_resource* region,
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zwpPointerConstraintsV1Lifetime lifetime) {
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const auto CLIENT = wl_resource_get_client(pMgr->resource());
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const auto RESOURCE = m_vConstraints.emplace_back(std::make_shared<CPointerConstraint>(
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std::make_shared<CZwpConfinedPointerV1>(CLIENT, wl_resource_get_version(pMgr->resource()), id), wlr_surface_from_resource(surface), region, lifetime));
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onNewConstraint(RESOURCE, pMgr);
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}
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