Method drawObjectsList_

source/MRViewer/MRSceneObjectsListDrawer.cpp:265–414

}

void SceneObjectsListDrawer::drawObjectsList_()
{
    const auto& all = SceneCache::getAllObjects<Object, ObjectSelectivityType::Selectable>();
    std::vector<int> depths( all.size(), -1 );
    auto getDepth = [&] ( int i )
    {
        if ( depths[i] == -1 )
        {
            const Object* obj = all[i].get();
            int depth = 0;
            while ( obj->parent() && obj->parent() != SceneRoot::getSharedPtr().get() )
            {
                obj = obj->parent();
                if ( obj->isAncillary() )
                    --depth;
                ++depth;
            }
            depths[i] = depth;
        }
        return depths[i];
    };

    int currentDepth = 0;
    std::stack<std::shared_ptr<Object>> objDepthStack;

    SkippableRenderer skippableRenderer;

    int collapsedHeaderDepth = -1;
    const float itemSpacingY = ImGui::GetStyle().ItemSpacing.y;
    const float frameHeight = ImGui::GetFrameHeight();

    bool firstSelectedIsFound = false;
    bool previousWasSelected = false;

    const float borderShift = ImGui::GetFrameHeight();
    const float scrollPosY = ImGui::GetScrollY();
    const float windowHeight = ImGui::GetWindowHeight();
    if ( upFirstSelected_.needScroll && upFirstSelected_.posY < ( scrollPosY + ImGui::GetStyle().WindowPadding.y + borderShift ) )
        ImGui::SetScrollY( upFirstSelected_.posY - ImGui::GetStyle().WindowPadding.y - borderShift );
    if ( downLastSelected_.needScroll && downLastSelected_.posY > ( scrollPosY + windowHeight - borderShift ) )
        ImGui::SetScrollY( downLastSelected_.posY - windowHeight + ImGui::GetStyle().WindowPadding.y + borderShift );
    if ( nextVisible_.needScroll )
    {
        if ( nextVisible_.posY < ( scrollPosY + ImGui::GetStyle().WindowPadding.y + borderShift ) )
            ImGui::SetScrollY( nextVisible_.posY - ImGui::GetStyle().WindowPadding.y - borderShift );
        else if ( ( nextVisible_.posY + frameHeight ) > ( scrollPosY + windowHeight - borderShift ) )
            ImGui::SetScrollY( nextVisible_.posY + frameHeight - windowHeight + ImGui::GetStyle().WindowPadding.y + borderShift );
        nextVisible_ = MoveAndScrollData();
    }

    upFirstSelected_ = MoveAndScrollData();
    downLastSelected_ = MoveAndScrollData();

    for ( int i = 0; i < all.size(); ++i )
    {
        const bool isLast = i == int( all.size() ) - 1;
        const int nextDepth = isLast ? 0 : getDepth( i + 1 );
        // skip child elements after collapsed header