simple-example.cpp

# include <imgui.h>
# define IMGUI_DEFINE_MATH_OPERATORS
# include <imgui_internal.h>
# include <imgui_node_editor.h>
# include <application.h>

namespace ed = ax::NodeEditor;

static ed::EditorContext* g_Context = nullptr;

const char* Application_GetName()
{
    return "Simple";
}

void Application_Initialize()
{
    ed::Config config;
    config.SettingsFile = "Simple.json";
    g_Context = ed::CreateEditor(&config);
}

void Application_Finalize()
{
    ed::DestroyEditor(g_Context);
}

void Application_Frame()
{
    auto& io = ImGui::GetIO();

    ImGui::Text("FPS: %.2f (%.2gms)", io.Framerate, io.Framerate ? 1000.0f / io.Framerate : 0.0f);

    ImGui::Separator();

    ed::SetCurrentEditor(g_Context);
    ed::Begin("My Editor", ImVec2(0.0, 0.0f));
    int uniqueId = 1;
    // Start drawing nodes.
    ed::BeginNode(uniqueId++);
        ImGui::Text("Node A");
        ed::BeginPin(uniqueId++, ed::PinKind::Input);
            ImGui::Text("-> In");
        ed::EndPin();
        ImGui::SameLine();
        ed::BeginPin(uniqueId++, ed::PinKind::Output);
            ImGui::Text("Out ->");
        ed::EndPin();
    ed::EndNode();
    ed::End();
    ed::SetCurrentEditor(nullptr);

	//ImGui::ShowMetricsWindow();
}