Method modify_surface

src/server/shell/abstract_shell.cpp:281–370

}

void msh::AbstractShell::modify_surface(std::shared_ptr<scene::Session> const& session, std::shared_ptr<scene::Surface> const& surface, SurfaceSpecification const& modifications)
{
    auto wm_relevant_mods = modifications;

    auto window_size{surface->window_size()};
    auto content_size{surface->content_size()};

    if (wm_relevant_mods.aux_rect.is_set())
        wm_relevant_mods.aux_rect.value().top_left += surface->content_offset();

    if (modifications.server_side_decorated.is_set())
    {
        if (modifications.server_side_decorated.value())
        {
            decoration_manager->decorate(surface);

            content_size =
                {
                    modifications.width.value_or(content_size.width),
                    modifications.height.value_or(content_size.height)
                };
            wm_relevant_mods.width = content_size.width;
            wm_relevant_mods.height = content_size.height;

            // When adding decorations we need to resize the window for WM
            window_size = decoration_manager->compute_size_with_decorations(
                content_size,
                modifications.type.value_or(surface->type()),
                modifications.state.value_or(surface->state()));
        }
        else if (window_size != content_size)
        {
            decoration_manager->undecorate(surface);

            content_size =
                {
                    modifications.width.value_or(content_size.width),
                    modifications.height.value_or(content_size.height)
                };
            wm_relevant_mods.width = content_size.width;
            wm_relevant_mods.height = content_size.height;

            // When removing decorations we need to resize the window for WM
            window_size = content_size;
        }
    }

    adjust_size_constraints_for_ssd(wm_relevant_mods, window_size, content_size);

    report->update_surface(*session, *surface, wm_relevant_mods);

    if (wm_relevant_mods.streams.is_set())
    {
        session->configure_streams(*surface, wm_relevant_mods.streams.consume());
    }
    if (!wm_relevant_mods.is_empty())
    {
        window_manager->modify_surface(session, surface, wm_relevant_mods);