Method Draw

Engine/Editor/Source/UI/Tools/NodeGraph/GraphActionMenu.cpp:323–565

    bool FGraphActionMenu::Draw(CEdNodeGraph* Graph)
    {
        if (Graph == nullptr)
        {
            return false;
        }

        if (bActionsDirty)
        {
            RebuildActions(Graph);
            Rescore();
        }

        constexpr ImVec2 PopupSize(360, 460);
        constexpr ImVec2 SearchBarPadding(10, 8);
        constexpr float  ItemHeight         = 26.0f;
        constexpr float  HeaderAreaHeight   = 48.0f;
        constexpr float  FooterAreaHeight   = 26.0f;

        const ImVec4 AccentColor(0.92f, 0.55f, 0.23f, 1.0f);
        const ImVec4 MatchColor (1.0f, 0.85f, 0.35f, 1.0f);
        const ImVec4 CategoryColor(0.55f, 0.55f, 0.58f, 1.0f);
        const ImVec4 SelectedBg (AccentColor.x * 0.35f, AccentColor.y * 0.35f, AccentColor.z * 0.35f, 0.75f);

        ImGui::SetNextWindowSize(PopupSize, ImGuiCond_Always);

        ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0, 0));
        ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0, 1));

        ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, SearchBarPadding);
        ImGui::PushStyleColor(ImGuiCol_FrameBg,        ImVec4(0.12f, 0.12f, 0.14f, 1.0f));
        ImGui::PushStyleColor(ImGuiCol_FrameBgHovered, ImVec4(0.14f, 0.14f, 0.16f, 1.0f));
        ImGui::PushStyleColor(ImGuiCol_FrameBgActive,  ImVec4(0.16f, 0.16f, 0.18f, 1.0f));

        ImGui::SetCursorPos(ImVec2(10, 10));
        ImGui::PushItemWidth(PopupSize.x - 20);

        if (bFocusInput)
        {
            ImGui::SetKeyboardFocusHere();
            bFocusInput = false;
        }

        const bool bEnterCommitted = ImGui::InputTextWithHint(
            "##GraphActionSearch",
            "Search nodes...",
            QueryBuffer,
            IM_ARRAYSIZE(QueryBuffer),
            ImGuiInputTextFlags_EnterReturnsTrue);

        const bool bQueryChanged = CachedQueryForScore != FString(QueryBuffer);

        ImGui::PopItemWidth();
        ImGui::PopStyleColor(3);
        ImGui::PopStyleVar();

        if (bQueryChanged)
        {
            Rescore();