Красивые чекбоксы для индиго

заходим в imgui.cpp, идем на 7285 строку, заменяем
https://i.imgur.com/AoRFRTt.png

на
bool ImGui::Checkbox(const char* label, bool* v)
{
    ImGuiWindow* window = GetCurrentWindow();

    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = ImGuiStyle::ImGuiStyle();
    const ImGuiID id = window->GetID(label);
    const ImVec2 label_size = CalcTextSize(label, NULL, true);
    const ImVec2 pading = ImVec2(2, 2);

    const ImRect check_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(label_size.y + style.FramePadding.x*6, label_size.y + style.FramePadding.y / 2));
    ItemSize(check_bb, style.FramePadding.y);

    ImRect total_bb = check_bb;
    if (label_size.x > 0)
        SameLine(0, style.ItemInnerSpacing.x);

    const ImRect text_bb(window->DC.CursorPos + ImVec2(0,style.FramePadding.y), window->DC.CursorPos + ImVec2(0,style.FramePadding.y) + label_size);

    if (label_size.x > 0)
    {
        ItemSize(ImVec2(text_bb.GetWidth(), check_bb.GetHeight()), style.FramePadding.y);
        total_bb = ImRect(ImMin(check_bb.Min, text_bb.Min), ImMax(check_bb.Max, text_bb.Max));
    }

    if (!ItemAdd(total_bb, &id))
        return false;

    bool hovered, held;
    bool pressed = ButtonBehavior(total_bb, id, &hovered, &held);

    if (pressed)
        *v = !(*v);

    const float check_sz = ImMin(check_bb.GetWidth(), check_bb.GetHeight());
    const float check_sz2 = check_sz / 2;
    const float pad = ImMax(1.0f, (float)(int)(check_sz / 4.f));
    RenderFrame(check_bb.Min, check_bb.Max, GetColorU32((held && hovered) ? ImGuiCol_FrameBgActive : hovered ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg), true, style.FrameRounding);

    //window->DrawList->AddRectFilled(check_bb.Min+ImVec2(pad,pad), check_bb.Max-ImVec2(pad,pad), GetColorU32(ImGuiCol_CheckMark), style.FrameRounding);
    if (*v)//отрисовка галочки
    {
        window->DrawList->AddRectFilled(ImVec2(check_bb.Min.x + (check_bb.Max.x - check_bb.Min.x) / 2, check_bb.Min.y), check_bb.Max, GetColorU32(ImGuiCol_CheckMark), 0);
        window->DrawList->AddRect(ImVec2(check_bb.Min.x + (check_bb.Max.x - check_bb.Min.x) / 2, check_bb.Min.y), check_bb.Max, GetColorU32(ImGuiCol_Border), 0, -1, 2);
    }
    else
    {
        //window->DrawList->AddRectFilled(ImVec2(check_bb.Min.x, check_bb.Min.y), ImVec2(check_bb.Min.x + (check_bb.Max.x - check_bb.Min.x) / 2, check_bb.Max.y), GetColorU32(ImGuiCol_FrameBgHovered), 0);
        window->DrawList->AddRect(ImVec2(check_bb.Min.x, check_bb.Min.y), ImVec2(check_bb.Min.x + (check_bb.Max.x - check_bb.Min.x) / 2, check_bb.Max.y), GetColorU32(ImGuiCol_Border), 0);
    }

    if (label_size.x > 0.0f)
        RenderText(text_bb.GetTL(), label);

    return pressed;
}