MainMenuBar.cpp

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// This file is part of INSTINCT, the INS Toolkit for Integrated
// Navigation Concepts and Training by the Institute of Navigation of
// the University of Stuttgart, Germany.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
#include "MainMenuBar.hpp"
 
#include "FileMenu.hpp"
#include "EditMenu.hpp"
#include "RunMenu.hpp"
#include "TimeMenu.hpp"
#include "DebugMenu.hpp"
 
#include "internal/FlowManager.hpp"
#include "internal/gui/NodeEditorApplication.hpp"
 
#include <imgui.h>
#include <fmt/core.h>
 
void NAV::gui::menus::ShowMainMenuBar(GlobalActions& globalAction)
{
    auto& io = ImGui::GetIO();
 
    auto cursorPosition = ImGui::GetCursorPos();
    if (ImGui::BeginMainMenuBar())
    {
        if (ImGui::BeginMenu("File"))
        {
            ShowFileMenu(globalAction);
            ImGui::EndMenu();
        }
        if (ImGui::BeginMenu("Edit"))
        {
            ShowEditMenu();
            ImGui::EndMenu();
        }
        if (ImGui::BeginMenu("Run"))
        {
            ShowRunMenu();
            ImGui::EndMenu();
        }
        if (ImGui::BeginMenu("Time"))
        {
            ShowTimeMenu();
            ImGui::EndMenu();
        }
        // #ifndef NDEBUG
        if (ImGui::BeginMenu("Debug"))
        {
            ShowDebugMenu();
            ImGui::EndMenu();
        }
        // #endif
        if (!NodeEditorApplication::hideFPS)
        {
            // Move cursor to the right, as ImGui::Spring() is not working inside menu bars
            std::string text = fmt::format("FPS: {:.2f} ({:.2g}ms)", io.Framerate, io.Framerate != 0.0F ? 1000.0F / io.Framerate : 0.0F);
            float textPosX = ImGui::GetCursorPosX() + ImGui::GetColumnWidth() - ImGui::CalcTextSize(text.c_str()).x
                             - ImGui::GetScrollX() - 2 * ImGui::GetStyle().ItemSpacing.x;
            ImGui::SetCursorPosX(textPosX);
            ImGui::Text("%s", text.c_str());
        }
 
        ImGui::EndMainMenuBar();
    }
    // Move cursor down, because menu bar does not take up space
    ImGui::SetCursorPos({ cursorPosition.x, cursorPosition.y + ImGui::GetTextLineHeight() + 5 });
}