Class AudioFileListWidget

plugins/Cardinal/src/AudioFile.cpp:380–520

#ifndef HEADLESS
struct AudioFileListWidget : ImGuiWidget {
    CarlaInternalPluginModule* const module;

    bool showError = false;
    String errorMessage;

    struct ghcFile {
        std::string full, base;
        bool operator<(const ghcFile& other) const noexcept { return base < other.base; }
    };
    std::string currentDirectory;
    std::vector<ghcFile> currentFiles;
    size_t selectedFile = (size_t)-1;

    AudioFileListWidget(CarlaInternalPluginModule* const m)
        : ImGuiWidget(),
          module(m)
    {
        if (module->fileChanged)
            reloadDir();
    }

    void drawImGui() override
    {
        const float scaleFactor = getScaleFactor();

        const int flags = ImGuiWindowFlags_NoSavedSettings
                        | ImGuiWindowFlags_NoTitleBar
                        | ImGuiWindowFlags_NoResize
                        | ImGuiWindowFlags_NoCollapse
                        | ImGuiWindowFlags_NoScrollbar
                        | ImGuiWindowFlags_NoScrollWithMouse;

        ImGui::SetNextWindowPos(ImVec2(0, 0));
        ImGui::SetNextWindowSize(ImVec2(box.size.x * scaleFactor, box.size.y * scaleFactor));

        if (ImGui::Begin("Plugin List", nullptr, ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize))
        {
            if (showError)
            {
                showError = false;
                ImGui::OpenPopup("Audio File Error");
            }

            if (ImGui::BeginPopupModal("Audio File Error", nullptr, flags))
            {
                ImGui::TextWrapped("Failed to load audio file, error was:\n%s", errorMessage.buffer());

                ImGui::Separator();

                if (ImGui::Button("Ok"))
                    ImGui::CloseCurrentPopup();

                ImGui::EndPopup();
            }
            else if (ImGui::BeginTable("pluginlist", 1, ImGuiTableFlags_NoSavedSettings))
            {
                for (size_t i=0, count=currentFiles.size(); i < count; ++i)