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#include "Constraint.hpp"
#include "WLSurface.hpp"
#include "../Compositor.hpp"
CConstraint::CConstraint(wlr_pointer_constraint_v1* constraint, CWLSurface* owner) : m_pOwner(owner), m_pConstraint(constraint) {
RASSERT(!constraint->data, "CConstraint: attempted to duplicate ownership");
constraint->data = this;
initSignals();
m_vCursorPosOnActivate = g_pInputManager->getMouseCoordsInternal();
g_pInputManager->m_vConstraints.push_back(this);
if (g_pCompositor->m_pLastFocus == m_pOwner->wlr())
activate();
}
CConstraint::~CConstraint() {
std::erase(g_pInputManager->m_vConstraints, this);
}
static void onConstraintDestroy(void* owner, void* data) {
const auto CONSTRAINT = (CConstraint*)owner;
CONSTRAINT->onDestroy();
}
static void onConstraintSetRegion(void* owner, void* data) {
const auto CONSTRAINT = (CConstraint*)owner;
CONSTRAINT->onSetRegion();
}
void CConstraint::initSignals() {
hyprListener_setConstraintRegion.initCallback(&m_pConstraint->events.set_region, ::onConstraintSetRegion, this, "CConstraint");
hyprListener_destroyConstraint.initCallback(&m_pConstraint->events.destroy, ::onConstraintDestroy, this, "CConstraint");
}
void CConstraint::onDestroy() {
hyprListener_setConstraintRegion.removeCallback();
hyprListener_destroyConstraint.removeCallback();
if (active() && isLocked())
g_pCompositor->warpCursorTo(logicPositionHint(), true);
// this is us
m_pOwner->m_pConstraint.reset();
}
void CConstraint::onSetRegion() {
if (!m_bActive)
return;
m_rRegion.set(&m_pConstraint->region);
m_vPositionHint = m_rRegion.closestPoint(m_vPositionHint);
g_pInputManager->simulateMouseMovement(); // to warp the cursor if anything's amiss
}
void CConstraint::onCommit() {
if (!m_bActive)
return;
const auto COMMITTED = m_pConstraint->current.committed;
if (COMMITTED & WLR_POINTER_CONSTRAINT_V1_STATE_CURSOR_HINT) {
m_bHintSet = true;
m_vPositionHint = {m_pConstraint->current.cursor_hint.x, m_pConstraint->current.cursor_hint.y};
g_pInputManager->simulateMouseMovement();
}
if (COMMITTED & WLR_POINTER_CONSTRAINT_V1_STATE_REGION)
onSetRegion();
}
CRegion CConstraint::logicConstraintRegion() {
CRegion rg = m_rRegion;
const auto SURFBOX = m_pOwner->getSurfaceBoxGlobal();
const auto CONSTRAINTPOS = SURFBOX.has_value() ? SURFBOX->pos() : Vector2D{};
rg.translate(CONSTRAINTPOS);
return rg;
}
CWLSurface* CConstraint::owner() {
return m_pOwner;
}
bool CConstraint::isLocked() {
return m_pConstraint->type == WLR_POINTER_CONSTRAINT_V1_LOCKED;
}
Vector2D CConstraint::logicPositionHint() {
const auto SURFBOX = m_pOwner->getSurfaceBoxGlobal();
const auto CONSTRAINTPOS = SURFBOX.has_value() ? SURFBOX->pos() : Vector2D{};
return m_bHintSet ? CONSTRAINTPOS + m_vPositionHint : m_vCursorPosOnActivate;
}
void CConstraint::deactivate() {
if (!m_bActive)
return;
m_bActive = false;
if (isLocked())
g_pCompositor->warpCursorTo(logicPositionHint(), true);
if (m_pConstraint->lifetime == ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_ONESHOT)
m_bDead = true;
wlr_pointer_constraint_v1_send_deactivated(m_pConstraint);
}
void CConstraint::activate() {
if (m_bActive || m_bDead)
return;
m_bActive = true;
// TODO: hack, probably not a super duper great idea
if (g_pCompositor->m_sSeat.seat->pointer_state.focused_surface != m_pOwner->wlr()) {
const auto SURFBOX = m_pOwner->getSurfaceBoxGlobal();
const auto LOCAL = SURFBOX.has_value() ? logicPositionHint() - SURFBOX->pos() : Vector2D{};
wlr_seat_pointer_enter(g_pCompositor->m_sSeat.seat, m_pOwner->wlr(), LOCAL.x, LOCAL.y);
}
g_pCompositor->warpCursorTo(logicPositionHint(), true);
wlr_pointer_constraint_v1_send_activated(m_pConstraint);
}
bool CConstraint::active() {
return m_bActive;
}
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