path: root/src/layout/IHyprLayout.cpp

#include "IHyprLayout.hpp"
#include "../defines.hpp"
#include "../Compositor.hpp"

void IHyprLayout::onWindowCreated(CWindow* pWindow, eDirection direction) {
    if (pWindow->m_bIsFloating) {
        onWindowCreatedFloating(pWindow);
    } else {
        wlr_box desiredGeometry = {0};
        g_pXWaylandManager->getGeometryForWindow(pWindow, &desiredGeometry);

        if (desiredGeometry.width <= 5 || desiredGeometry.height <= 5) {
            const auto PMONITOR          = g_pCompositor->getMonitorFromID(pWindow->m_iMonitorID);
            pWindow->m_vLastFloatingSize = PMONITOR->vecSize / 2.f;
        } else {
            pWindow->m_vLastFloatingSize = Vector2D(desiredGeometry.width, desiredGeometry.height);
        }

        pWindow->m_vPseudoSize = pWindow->m_vLastFloatingSize;

        onWindowCreatedTiling(pWindow, direction);
    }
}

void IHyprLayout::onWindowRemoved(CWindow* pWindow) {
    if (pWindow->m_bIsFullscreen)
        g_pCompositor->setWindowFullscreen(pWindow, false, FULLSCREEN_FULL);

    if (pWindow->m_sGroupData.pNextWindow) {
        if (pWindow->m_sGroupData.pNextWindow == pWindow)
            pWindow->m_sGroupData.pNextWindow = nullptr;
        else {
            // find last window and update
            CWindow*   PWINDOWPREV     = pWindow->getGroupPrevious();
            const auto WINDOWISVISIBLE = pWindow->getGroupCurrent() == pWindow;

            if (WINDOWISVISIBLE)
                PWINDOWPREV->setGroupCurrent(PWINDOWPREV);

            PWINDOWPREV->m_sGroupData.pNextWindow = pWindow->m_sGroupData.pNextWindow;

            pWindow->m_sGroupData.pNextWindow = nullptr;

            if (pWindow->m_sGroupData.head) {
                std::swap(PWINDOWPREV->m_sGroupData.head, pWindow->m_sGroupData.head);
                std::swap(PWINDOWPREV->m_sGroupData.locked, pWindow->m_sGroupData.locked);
            }

            if (pWindow == m_pLastTiledWindow)
                m_pLastTiledWindow = nullptr;

            pWindow->setHidden(false);

            pWindow->updateWindowDecos();
            PWINDOWPREV->getGroupCurrent()->updateWindowDecos();
            g_pCompositor->updateWindowAnimatedDecorationValues(pWindow);

            return;
        }
    }

    if (pWindow->m_bIsFloating) {
        onWindowRemovedFloating(pWindow);
    } else {
        onWindowRemovedTiling(pWindow);
    }

    if (pWindow == m_pLastTiledWindow)
        m_pLastTiledWindow = nullptr;
}

void IHyprLayout::onWindowRemovedFloating(CWindow* pWindow) {
    return; // no-op
}

void IHyprLayout::onWindowCreatedFloating(CWindow* pWindow) {

    wlr_box desiredGeometry = {0};
    g_pXWaylandManager->getGeometryForWindow(pWindow, &desiredGeometry);
    const auto PMONITOR = g_pCompositor->getMonitorFromID(pWindow->m_iMonitorID);

    if (pWindow->m_bIsX11) {
        Vector2D xy       = {desiredGeometry.x, desiredGeometry.y};
        xy                = g_pXWaylandManager->xwaylandToWaylandCoords(xy);
        desiredGeometry.x = xy.x;
        desiredGeometry.y = xy.y;
    }

    static auto* const PXWLFORCESCALEZERO = &g_pConfigManager->getConfigValuePtr("xwayland:force_zero_scaling")->intValue;

    if (!PMONITOR) {
        Debug::log(ERR, "{:m} has an invalid monitor in onWindowCreatedFloating!!!", pWindow);
        return;
    }

    if (desiredGeometry.width <= 5 || desiredGeometry.height <= 5) {
        const auto PWINDOWSURFACE = pWindow->m_pWLSurface.wlr();
        pWindow->m_vRealSize      = Vector2D(PWINDOWSURFACE->current.width, PWINDOWSURFACE->current.height);

        if ((desiredGeometry.width <= 1 || desiredGeometry.height <= 1) && pWindow->m_bIsX11 &&
            pWindow->m_iX11Type == 2) { // XDG windows should be fine. TODO: check for weird atoms?
            pWindow->setHidden(true);
            return;
        }

        // reject any windows with size <= 5x5
        if (pWindow->m_vRealSize.goalv().x <= 5 || pWindow->m_vRealSize.goalv().y <= 5)
            pWindow->m_vRealSize = PMONITOR->vecSize / 2.f;

        if (pWindow->m_bIsX11 && pWindow->m_uSurface.xwayland->override_redirect) {

            if (pWindow->m_uSurface.xwayland->x != 0 && pWindow->m_uSurface.xwayland->y != 0)
                pWindow->m_vRealPosition = g_pXWaylandManager->xwaylandToWaylandCoords({pWindow->m_uSurface.xwayland->x, pWindow->m_uSurface.xwayland->y});
            else
                pWindow->m_vRealPosition = Vector2D(PMONITOR->vecPosition.x + (PMONITOR->vecSize.x - pWindow->m_vRealSize.goalv().x) / 2.f,
                                                    PMONITOR->vecPosition.y + (PMONITOR->vecSize.y - pWindow->m_vRealSize.goalv().y) / 2.f);
        } else {
            pWindow->m_vRealPosition = Vector2D(PMONITOR->vecPosition.x + (PMONITOR->vecSize.x - pWindow->m_vRealSize.goalv().x) / 2.f,
                                                PMONITOR->vecPosition.y + (PMONITOR->vecSize.y - pWindow->m_vRealSize.goalv().y) / 2.f);
        }
    } else {
        // we respect the size.
        pWindow->m_vRealSize = Vector2D(desiredGeometry.width, desiredGeometry.height);

        // check if it's on the correct monitor!
        Vector2D middlePoint = Vector2D(desiredGeometry.x, desiredGeometry.y) + Vector2D(desiredGeometry.width, desiredGeometry.height) / 2.f;

        // check if it's visible on any monitor (only for XDG)
        bool visible = pWindow->m_bIsX11;

        if (!visible) {
            visible = g_pCompositor->isPointOnAnyMonitor(Vector2D(desiredGeometry.x, desiredGeometry.y)) &&
                g_pCompositor->isPointOnAnyMonitor(Vector2D(desiredGeometry.x + desiredGeometry.width, desiredGeometry.y)) &&
                g_pCompositor->isPointOnAnyMonitor(Vector2D(desiredGeometry.x, desiredGeometry.y + desiredGeometry.height)) &&
                g_pCompositor->isPointOnAnyMonitor(Vector2D(desiredGeometry.x + desiredGeometry.width, desiredGeometry.y + desiredGeometry.height));
        }

        // TODO: detect a popup in a more consistent way.
        if ((desiredGeometry.x == 0 && desiredGeometry.y == 0) || !visible || !pWindow->m_bIsX11) {
            // if it's not, fall back to the center placement
            pWindow->m_vRealPosition = PMONITOR->vecPosition + Vector2D((PMONITOR->vecSize.x - desiredGeometry.width) / 2.f, (PMONITOR->vecSize.y - desiredGeometry.height) / 2.f);
        } else {
            // if it is, we respect where it wants to put itself, but apply monitor offset if outside
            // most of these are popups

            if (const auto POPENMON = g_pCompositor->getMonitorFromVector(middlePoint); POPENMON->ID != PMONITOR->ID)
                pWindow->m_vRealPosition = Vector2D(desiredGeometry.x, desiredGeometry.y) - POPENMON->vecPosition + PMONITOR->vecPosition;
            else
                pWindow->m_vRealPosition = Vector2D(desiredGeometry.x, desiredGeometry.y);
        }
    }

    if (*PXWLFORCESCALEZERO && pWindow->m_bIsX11)
        pWindow->m_vRealSize = pWindow->m_vRealSize.goalv() / PMONITOR->scale;

    if (pWindow->m_bX11DoesntWantBorders || (pWindow->m_bIsX11 && pWindow->m_uSurface.xwayland->override_redirect)) {
        pWindow->m_vRealPosition.warp();
        pWindow->m_vRealSize.warp();
    }

    if (pWindow->m_iX11Type != 2) {
        g_pXWaylandManager->setWindowSize(pWindow, pWindow->m_vRealSize.goalv());

        g_pCompositor->changeWindowZOrder(pWindow, true);
    }
}

void IHyprLayout::onBeginDragWindow() {
    const auto DRAGGINGWINDOW = g_pInputManager->currentlyDraggedWindow;

    m_vBeginDragSizeXY = Vector2D();

    // Window will be floating. Let's check if it's valid. It should be, but I don't like crashing.
    if (!g_pCompositor->windowValidMapped(DRAGGINGWINDOW)) {
        Debug::log(ERR, "Dragging attempted on an invalid window!");
        g_pInputManager->currentlyDraggedWindow = nullptr;
        return;
    }

    if (DRAGGINGWINDOW->m_bIsFullscreen) {
        Debug::log(LOG, "Dragging a fullscreen window");
        g_pCompositor->setWindowFullscreen(DRAGGINGWINDOW, false, FULLSCREEN_FULL);
    }

    const auto PWORKSPACE = g_pCompositor->getWorkspaceByID(DRAGGINGWINDOW->m_iWorkspaceID);

    if (PWORKSPACE->m_bHasFullscreenWindow && (!DRAGGINGWINDOW->m_bCreatedOverFullscreen || !DRAGGINGWINDOW->m_bIsFloating)) {
        Debug::log(LOG, "Rejecting drag on a fullscreen workspace. (window under fullscreen)");
        g_pInputManager->currentlyDraggedWindow = nullptr;
        return;
    }

    DRAGGINGWINDOW->m_bDraggingTiled = false;

    m_vDraggingWindowOriginalFloatSize = DRAGGINGWINDOW->m_vLastFloatingSize;

    if (!DRAGGINGWINDOW->m_bIsFloating) {
        if (g_pInputManager->dragMode == MBIND_MOVE) {
            DRAGGINGWINDOW->m_vLastFloatingSize = (DRAGGINGWINDOW->m_vRealSize.goalv() * 0.8489).clamp(Vector2D{5, 5}, Vector2D{}).floor();
            changeWindowFloatingMode(DRAGGINGWINDOW);
            DRAGGINGWINDOW->m_bIsFloating    = true;
            DRAGGINGWINDOW->m_bDraggingTiled = true;

            DRAGGINGWINDOW->m_vRealPosition = g_pInputManager->getMouseCoordsInternal() - DRAGGINGWINDOW->m_vRealSize.goalv() / 2.f;
        }
    }

    m_vBeginDragXY         = g_pInputManager->getMouseCoordsInternal();
    m_vBeginDragPositionXY = DRAGGINGWINDOW->m_vRealPosition.goalv();
    m_vBeginDragSizeXY     = DRAGGINGWINDOW->m_vRealSize.goalv();
    m_vLastDragXY          = m_vBeginDragXY;

    // get the grab corner
    if (m_vBeginDragXY.x < m_vBeginDragPositionXY.x + m_vBeginDragSizeXY.x / 2.0) {
        if (m_vBeginDragXY.y < m_vBeginDragPositionXY.y + m_vBeginDragSizeXY.y / 2.0) {
            m_eGrabbedCorner = CORNER_TOPLEFT;
            g_pInputManager->setCursorImageUntilUnset("nw-resize");
        } else {
            m_eGrabbedCorner = CORNER_BOTTOMLEFT;
            g_pInputManager->setCursorImageUntilUnset("sw-resize");
        }
    } else {
        if (m_vBeginDragXY.y < m_vBeginDragPositionXY.y + m_vBeginDragSizeXY.y / 2.0) {
            m_eGrabbedCorner = CORNER_TOPRIGHT;
            g_pInputManager->setCursorImageUntilUnset("ne-resize");
        } else {
            m_eGrabbedCorner = CORNER_BOTTOMRIGHT;
            g_pInputManager->setCursorImageUntilUnset("se-resize");
        }
    }

    if (g_pInputManager->dragMode != MBIND_RESIZE && g_pInputManager->dragMode != MBIND_RESIZE_FORCE_RATIO && g_pInputManager->dragMode != MBIND_RESIZE_BLOCK_RATIO)
        g_pInputManager->setCursorImageUntilUnset("grab");

    g_pHyprRenderer->damageWindow(DRAGGINGWINDOW);

    g_pKeybindManager->shadowKeybinds();

    g_pCompositor->focusWindow(DRAGGINGWINDOW);
    g_pCompositor->changeWindowZOrder(DRAGGINGWINDOW, true);
}

void IHyprLayout::onEndDragWindow() {
    const auto DRAGGINGWINDOW = g_pInputManager->currentlyDraggedWindow;

    if (!g_pCompositor->windowValidMapped(DRAGGINGWINDOW)) {
        if (DRAGGINGWINDOW) {
            g_pInputManager->unsetCursorImage();
            g_pInputManager->currentlyDraggedWindow = nullptr;
        }
        return;
    }

    g_pInputManager->unsetCursorImage();

    g_pInputManager->currentlyDraggedWindow = nullptr;

    if (DRAGGINGWINDOW->m_bDraggingTiled) {
        DRAGGINGWINDOW->m_bIsFloating = false;
        g_pInputManager->refocus();
        changeWindowFloatingMode(DRAGGINGWINDOW);
        DRAGGINGWINDOW->m_vLastFloatingSize = m_vDraggingWindowOriginalFloatSize;
    }

    g_pHyprRenderer->damageWindow(DRAGGINGWINDOW);

    g_pCompositor->focusWindow(DRAGGINGWINDOW);
}

void IHyprLayout::onMouseMove(const Vector2D& mousePos) {
    const auto DRAGGINGWINDOW = g_pInputManager->currentlyDraggedWindow;

    // Window invalid or drag begin size 0,0 meaning we rejected it.
    if (!g_pCompositor->windowValidMapped(DRAGGINGWINDOW) || m_vBeginDragSizeXY == Vector2D()) {
        onEndDragWindow();
        g_pInputManager->currentlyDraggedWindow = nullptr;
        return;
    }

    static auto        TIMER = std::chrono::high_resolution_clock::now();

    const auto         SPECIAL = g_pCompositor->isWorkspaceSpecial(DRAGGINGWINDOW->m_iWorkspaceID);

    const auto         DELTA     = Vector2D(mousePos.x - m_vBeginDragXY.x, mousePos.y - m_vBeginDragXY.y);
    const auto         TICKDELTA = Vector2D(mousePos.x - m_vLastDragXY.x, mousePos.y - m_vLastDragXY.y);

    static auto* const PANIMATEMOUSE = &g_pConfigManager->getConfigValuePtr("misc:animate_mouse_windowdragging")->intValue;
    static auto* const PANIMATE      = &g_pConfigManager->getConfigValuePtr("misc:animate_manual_resizes")->intValue;

    if ((abs(TICKDELTA.x) < 1.f && abs(TICKDELTA.y) < 1.f) ||
        (std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now() - TIMER).count() <
             1000.0 / g_pHyprRenderer->m_pMostHzMonitor->refreshRate &&
         (*PANIMATEMOUSE || *PANIMATE)))
        return;

    TIMER = std::chrono::high_resolution_clock::now();

    m_vLastDragXY = mousePos;

    g_pHyprRenderer->damageWindow(DRAGGINGWINDOW);

    if (g_pInputManager->dragMode == MBIND_MOVE) {

        if (*PANIMATEMOUSE) {
            DRAGGINGWINDOW->m_vRealPosition = m_vBeginDragPositionXY + DELTA;
        } else {
            DRAGGINGWINDOW->m_vRealPosition.setValueAndWarp(m_vBeginDragPositionXY + DELTA);
        }

        g_pXWaylandManager->setWindowSize(DRAGGINGWINDOW, DRAGGINGWINDOW->m_vRealSize.goalv());
    } else if (g_pInputManager->dragMode == MBIND_RESIZE || g_pInputManager->dragMode == MBIND_RESIZE_FORCE_RATIO || g_pInputManager->dragMode == MBIND_RESIZE_BLOCK_RATIO) {
        if (DRAGGINGWINDOW->m_bIsFloating) {

            Vector2D MINSIZE = Vector2D(20, 20);
            Vector2D MAXSIZE = g_pXWaylandManager->getMaxSizeForWindow(DRAGGINGWINDOW);

            Vector2D newSize = m_vBeginDragSizeXY;
            Vector2D newPos  = m_vBeginDragPositionXY;

            if (m_eGrabbedCorner == CORNER_BOTTOMRIGHT)
                newSize = newSize + DELTA;
            else if (m_eGrabbedCorner == CORNER_TOPLEFT)
                newSize = newSize - DELTA;
            else if (m_eGrabbedCorner == CORNER_TOPRIGHT)
                newSize = newSize + Vector2D(DELTA.x, -DELTA.y);
            else if (m_eGrabbedCorner == CORNER_BOTTOMLEFT)
                newSize = newSize + Vector2D(-DELTA.x, DELTA.y);

            if ((m_vBeginDragSizeXY.x >= 1 && m_vBeginDragSizeXY.y >= 1) &&
                (g_pInputManager->dragMode == MBIND_RESIZE_FORCE_RATIO ||
                 (!(g_pInputManager->dragMode == MBIND_RESIZE_BLOCK_RATIO) && DRAGGINGWINDOW->m_sAdditionalConfigData.keepAspectRatio))) {

                const float RATIO = m_vBeginDragSizeXY.y / m_vBeginDragSizeXY.x;

                if (MINSIZE.x * RATIO > MINSIZE.y)
                    MINSIZE = Vector2D(MINSIZE.x, MINSIZE.x * RATIO);
                else
                    MINSIZE = Vector2D(MINSIZE.y / RATIO, MINSIZE.y);

                if (MAXSIZE.x * RATIO < MAXSIZE.y)
                    MAXSIZE = Vector2D(MAXSIZE.x, MAXSIZE.x * RATIO);
                else
                    MAXSIZE = Vector2D(MAXSIZE.y / RATIO, MAXSIZE.y);

                if (newSize.x * RATIO > newSize.y)
                    newSize = Vector2D(newSize.x, newSize.x * RATIO);
                else
                    newSize = Vector2D(newSize.y / RATIO, newSize.y);
            }

            newSize = newSize.clamp(MINSIZE, MAXSIZE);

            if (m_eGrabbedCorner == CORNER_TOPLEFT)
                newPos = newPos - newSize + m_vBeginDragSizeXY;
            else if (m_eGrabbedCorner == CORNER_TOPRIGHT)
                newPos = newPos + Vector2D(0, (m_vBeginDragSizeXY - newSize).y);
            else if (m_eGrabbedCorner == CORNER_BOTTOMLEFT)
                newPos = newPos + Vector2D((m_vBeginDragSizeXY - newSize).x, 0);

            if (*PANIMATE) {
                DRAGGINGWINDOW->m_vRealSize     = newSize;
                DRAGGINGWINDOW->m_vRealPosition = newPos;
            } else {
                DRAGGINGWINDOW->m_vRealSize.setValueAndWarp(newSize);
                DRAGGINGWINDOW->m_vRealPosition.setValueAndWarp(newPos);
            }

            g_pXWaylandManager->setWindowSize(DRAGGINGWINDOW, DRAGGINGWINDOW->m_vRealSize.goalv());
        } else {
            resizeActiveWindow(TICKDELTA, m_eGrabbedCorner, DRAGGINGWINDOW);
        }
    }

    // get middle point
    Vector2D middle = DRAGGINGWINDOW->m_vRealPosition.vec() + DRAGGINGWINDOW->m_vRealSize.vec() / 2.f;

    // and check its monitor
    const auto PMONITOR = g_pCompositor->getMonitorFromVector(middle);

    if (PMONITOR && !SPECIAL) {
        DRAGGINGWINDOW->m_iMonitorID = PMONITOR->ID;
        DRAGGINGWINDOW->moveToWorkspace(PMONITOR->activeWorkspace);
        DRAGGINGWINDOW->updateGroupOutputs();

        DRAGGINGWINDOW->updateToplevel();
    }

    DRAGGINGWINDOW->updateWindowDecos();

    g_pHyprRenderer->damageWindow(DRAGGINGWINDOW);
}

void IHyprLayout::changeWindowFloatingMode(CWindow* pWindow) {

    if (pWindow->m_bIsFullscreen) {
        Debug::log(LOG, "changeWindowFloatingMode: fullscreen");
        g_pCompositor->setWindowFullscreen(pWindow, false, FULLSCREEN_FULL);
    }

    pWindow->m_bPinned = false;

    const auto TILED = isWindowTiled(pWindow);

    // event
    g_pEventManager->postEvent(SHyprIPCEvent{"changefloatingmode", std::format("{:x},{}", (uintptr_t)pWindow, (int)TILED)});
    EMIT_HOOK_EVENT("changeFloatingMode", pWindow);

    if (!TILED) {
        const auto PNEWMON    = g_pCompositor->getMonitorFromVector(pWindow->m_vRealPosition.vec() + pWindow->m_vRealSize.vec() / 2.f);
        pWindow->m_iMonitorID = PNEWMON->ID;
        pWindow->moveToWorkspace(PNEWMON->activeWorkspace);
        pWindow->updateGroupOutputs();

        // save real pos cuz the func applies the default 5,5 mid
        const auto PSAVEDPOS  = pWindow->m_vRealPosition.goalv();
        const auto PSAVEDSIZE = pWindow->m_vRealSize.goalv();

        // if the window is pseudo, update its size
        pWindow->m_vPseudoSize = pWindow->m_vRealSize.goalv();

        pWindow->m_vLastFloatingSize = PSAVEDSIZE;

        // move to narnia because we don't wanna find our own node. onWindowCreatedTiling should apply the coords back.
        pWindow->m_vPosition = Vector2D(-999999, -999999);

        onWindowCreatedTiling(pWindow);

        pWindow->m_vRealPosition.setValue(PSAVEDPOS);
        pWindow->m_vRealSize.setValue(PSAVEDSIZE);

        // fix pseudo leaving artifacts
        g_pHyprRenderer->damageMonitor(g_pCompositor->getMonitorFromID(pWindow->m_iMonitorID));

        if (pWindow == g_pCompositor->m_pLastWindow)
            m_pLastTiledWindow = pWindow;
    } else {
        onWindowRemovedTiling(pWindow);

        g_pCompositor->changeWindowZOrder(pWindow, true);

        if (DELTALESSTHAN(pWindow->m_vRealSize.vec().x, pWindow->m_vLastFloatingSize.x, 10) && DELTALESSTHAN(pWindow->m_vRealSize.vec().y, pWindow->m_vLastFloatingSize.y, 10)) {
            pWindow->m_vRealPosition = pWindow->m_vRealPosition.goalv() + (pWindow->m_vRealSize.goalv() - pWindow->m_vLastFloatingSize) / 2.f + Vector2D{10, 10};
            pWindow->m_vRealSize     = pWindow->m_vLastFloatingSize - Vector2D{20, 20};
        }

        pWindow->m_vRealPosition = pWindow->m_vRealPosition.goalv() + (pWindow->m_vRealSize.goalv() - pWindow->m_vLastFloatingSize) / 2.f;
        pWindow->m_vRealSize     = pWindow->m_vLastFloatingSize;

        pWindow->m_vSize     = pWindow->m_vRealSize.goalv();
        pWindow->m_vPosition = pWindow->m_vRealPosition.goalv();

        g_pHyprRenderer->damageMonitor(g_pCompositor->getMonitorFromID(pWindow->m_iMonitorID));

        pWindow->updateSpecialRenderData();

        if (pWindow == m_pLastTiledWindow)
            m_pLastTiledWindow = nullptr;
    }

    g_pCompositor->updateWindowAnimatedDecorationValues(pWindow);

    pWindow->updateToplevel();
}

void IHyprLayout::moveActiveWindow(const Vector2D& delta, CWindow* pWindow) {
    const auto PWINDOW = pWindow ? pWindow : g_pCompositor->m_pLastWindow;

    if (!g_pCompositor->windowValidMapped(PWINDOW))
        return;

    if (!PWINDOW->m_bIsFloating) {
        Debug::log(LOG, "Dwindle cannot move a tiled window in moveActiveWindow!");
        return;
    }

    PWINDOW->m_vRealPosition = PWINDOW->m_vRealPosition.goalv() + delta;

    g_pHyprRenderer->damageWindow(PWINDOW);
}

void IHyprLayout::onWindowFocusChange(CWindow* pNewFocus) {
    m_pLastTiledWindow = pNewFocus && !pNewFocus->m_bIsFloating ? pNewFocus : m_pLastTiledWindow;
}

CWindow* IHyprLayout::getNextWindowCandidate(CWindow* pWindow) {
    // although we don't expect nullptrs here, let's verify jic
    if (!pWindow)
        return nullptr;

    const auto PWORKSPACE = g_pCompositor->getWorkspaceByID(pWindow->m_iWorkspaceID);

    // first of all, if this is a fullscreen workspace,
    if (PWORKSPACE->m_bHasFullscreenWindow)
        return g_pCompositor->getFullscreenWindowOnWorkspace(pWindow->m_iWorkspaceID);

    if (pWindow->m_bIsFloating) {

        // find whether there is a floating window below this one
        for (auto& w : g_pCompositor->m_vWindows) {
            if (w->m_bIsMapped && !w->isHidden() && w->m_bIsFloating && w->m_iX11Type != 2 && w->m_iWorkspaceID == pWindow->m_iWorkspaceID && !w->m_bX11ShouldntFocus &&
                !w->m_bNoFocus && w.get() != pWindow) {
                if (VECINRECT((pWindow->m_vSize / 2.f + pWindow->m_vPosition), w->m_vPosition.x, w->m_vPosition.y, w->m_vPosition.x + w->m_vSize.x,
                              w->m_vPosition.y + w->m_vSize.y)) {
                    return w.get();
                }
            }
        }

        // let's try the last tiled window.
        if (m_pLastTiledWindow && m_pLastTiledWindow->m_iWorkspaceID == pWindow->m_iWorkspaceID)
            return m_pLastTiledWindow;

        // if we don't, let's try to find any window that is in the middle
        if (const auto PWINDOWCANDIDATE = g_pCompositor->vectorToWindowIdeal(pWindow->middle()); PWINDOWCANDIDATE && PWINDOWCANDIDATE != pWindow)
            return PWINDOWCANDIDATE;

        // if not, floating window
        for (auto& w : g_pCompositor->m_vWindows) {
            if (w->m_bIsMapped && !w->isHidden() && w->m_bIsFloating && w->m_iX11Type != 2 && w->m_iWorkspaceID == pWindow->m_iWorkspaceID && !w->m_bX11ShouldntFocus &&
                !w->m_bNoFocus && w.get() != pWindow)
                return w.get();
        }

        // if there is no candidate, too bad
        return nullptr;
    }

    // if it was a tiled window, we first try to find the window that will replace it.
    const auto PWINDOWCANDIDATE = g_pCompositor->vectorToWindowIdeal(pWindow->middle());

    if (!PWINDOWCANDIDATE || pWindow == PWINDOWCANDIDATE || !PWINDOWCANDIDATE->m_bIsMapped || PWINDOWCANDIDATE->isHidden() || PWINDOWCANDIDATE->m_bX11ShouldntFocus ||
        PWINDOWCANDIDATE->m_iX11Type == 2 || PWINDOWCANDIDATE->m_iMonitorID != g_pCompositor->m_pLastMonitor->ID)
        return nullptr;

    return PWINDOWCANDIDATE;
}

bool IHyprLayout::isWindowReachable(CWindow* pWindow) {
    return pWindow && (!pWindow->isHidden() || pWindow->m_sGroupData.pNextWindow);
}

void IHyprLayout::bringWindowToTop(CWindow* pWindow) {
    if (pWindow == nullptr)
        return;

    if (pWindow->isHidden() && pWindow->m_sGroupData.pNextWindow) {
        // grouped, change the current to this window
        pWindow->setGroupCurrent(pWindow);
    }
}

void IHyprLayout::requestFocusForWindow(CWindow* pWindow) {
    bringWindowToTop(pWindow);
    g_pCompositor->focusWindow(pWindow);
}

IHyprLayout::~IHyprLayout() {}