Function show_editor

example/multi_editor.cpp:35–109

};

void show_editor(const char* editor_name, Editor& editor)
{
    ImNodes::EditorContextSet(editor.context);

    ImGui::Begin(editor_name);
    ImGui::TextUnformatted("A -- add node");

    ImNodes::BeginNodeEditor();

    if (ImGui::IsWindowFocused(ImGuiFocusedFlags_RootAndChildWindows) &&
        ImNodes::IsEditorHovered() && ImGui::IsKeyReleased(SDL_SCANCODE_A))
    {
        const int node_id = ++editor.current_id;
        ImNodes::SetNodeScreenSpacePos(node_id, ImGui::GetMousePos());
        editor.nodes.push_back(Node(node_id, 0.f));
    }

    for (Node& node : editor.nodes)
    {
        ImNodes::BeginNode(node.id);

        ImNodes::BeginNodeTitleBar();
        ImGui::TextUnformatted("node");
        ImNodes::EndNodeTitleBar();

        ImNodes::BeginInputAttribute(node.id << 8);
        ImGui::TextUnformatted("input");
        ImNodes::EndInputAttribute();

        ImNodes::BeginStaticAttribute(node.id << 16);
        ImGui::PushItemWidth(120.0f);
        ImGui::DragFloat("value", &node.value, 0.01f);
        ImGui::PopItemWidth();
        ImNodes::EndStaticAttribute();

        ImNodes::BeginOutputAttribute(node.id << 24);
        const float text_width = ImGui::CalcTextSize("output").x;
        ImGui::Indent(120.f + ImGui::CalcTextSize("value").x - text_width);
        ImGui::TextUnformatted("output");
        ImNodes::EndOutputAttribute();

        ImNodes::EndNode();
    }

    for (const Link& link : editor.links)
    {
        ImNodes::Link(link.id, link.start_attr, link.end_attr);
    }

    ImNodes::EndNodeEditor();

    {
        Link link;
        if (ImNodes::IsLinkCreated(&link.start_attr, &link.end_attr))
        {
            link.id = ++editor.current_id;
            editor.links.push_back(link);
        }