Method calcSliderbarRect

source/Gui/SimulationScrollbar.cpp:74–99

}

RealRect _SimulationScrollbar::calcSliderbarRect(RealRect const& scrollbarRect) const
{
    auto size2d = scrollbarRect.bottomRight - scrollbarRect.topLeft;
    auto worldSize =
        Orientation::Horizontal == _orientation ? _simulationFacade->getWorldSize().x : _simulationFacade->getWorldSize().y;
    auto size = Orientation::Horizontal == _orientation ? size2d.x : size2d.y;

    auto worldRect = Viewport::get().getVisibleWorldRect();
    auto startWorldPos = Orientation::Horizontal == _orientation ? worldRect.topLeft.x : worldRect.topLeft.y;
    auto endWorldPos = Orientation::Horizontal == _orientation ? worldRect.bottomRight.x : worldRect.bottomRight.y;

    auto sliderBarStartPos = std::min(std::max(startWorldPos / worldSize * size, 0.0f), size);
    auto sliderBarEndPos = std::min(std::max(endWorldPos / worldSize * size, 0.0f), size);
    if (sliderBarEndPos < sliderBarStartPos) {
        sliderBarEndPos = sliderBarStartPos;
    }
    auto sliderBarPos =
        Orientation::Horizontal == _orientation ? ImVec2{4 + sliderBarStartPos, 4} : ImVec2{4, 4 + sliderBarStartPos};
    auto sliderBarSize = Orientation::Horizontal == _orientation ? ImVec2{sliderBarEndPos - sliderBarStartPos - 8, 10}
                                                                 : ImVec2{10, sliderBarEndPos - sliderBarStartPos - 8};

    sliderBarSize = {std::max(10.0f, sliderBarSize.x), std::max(10.0f, sliderBarSize.y)};

    return {
        {sliderBarPos.x, sliderBarPos.y}, {sliderBarPos.x + sliderBarSize.x - 1, sliderBarPos.y + sliderBarSize.y - 1}};
}

bool _SimulationScrollbar::doesMouseCursorIntersectSliderBar(RealRect const& rect) const
{