src/layout/algorithm/ModeAlgorithm.cpp


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#include "ModeAlgorithm.hpp"

#include "../space/Space.hpp"
#include "Algorithm.hpp"
#include "../../helpers/Monitor.hpp"
#include "../../desktop/view/Window.hpp"

using namespace Layout;

std::expected<void, std::string> IModeAlgorithm::layoutMsg(const std::string_view& sv) {
    return {};
}

std::optional<Vector2D> IModeAlgorithm::predictSizeForNewTarget() {
    return std::nullopt;
}

std::optional<Vector2D> IModeAlgorithm::focalPointForDir(SP<ITarget> t, Math::eDirection dir) {
    Vector2D   focalPoint;

    const auto getFullscreenBB = [&]() -> std::optional<CBox> {
        const auto PARENT = m_parent.lock();
        if (!PARENT)
            return std::nullopt;
        const auto SPACE = PARENT->space();
        if (!SPACE)
            return std::nullopt;
        const auto WS = SPACE->workspace();
        if (!WS || !WS->m_monitor)
            return std::nullopt;
        return WS->m_monitor->logicalBox();
    };

    const auto WINDOWIDEALBB = t->fullscreenMode() != FSMODE_NONE ? getFullscreenBB().value_or(t->window()->getWindowIdealBoundingBoxIgnoreReserved()) :
                                                                    t->window()->getWindowIdealBoundingBoxIgnoreReserved();

    switch (dir) {
        case Math::DIRECTION_UP: focalPoint = WINDOWIDEALBB.pos() + Vector2D{WINDOWIDEALBB.size().x / 2.0, -1.0}; break;
        case Math::DIRECTION_DOWN: focalPoint = WINDOWIDEALBB.pos() + Vector2D{WINDOWIDEALBB.size().x / 2.0, WINDOWIDEALBB.size().y + 1.0}; break;
        case Math::DIRECTION_LEFT: focalPoint = WINDOWIDEALBB.pos() + Vector2D{-1.0, WINDOWIDEALBB.size().y / 2.0}; break;
        case Math::DIRECTION_RIGHT: focalPoint = WINDOWIDEALBB.pos() + Vector2D{WINDOWIDEALBB.size().x + 1.0, WINDOWIDEALBB.size().y / 2.0}; break;
        default: return std::nullopt;
    }

    return focalPoint;
}