GlosSI-fork/GlosSITarget/Overlay.cpp

#include "Overlay.h"

#define IMGUI_USER_CONFIG "imconfig.h"
#include "imgui.h"
#include "imgui-SFML.h"


Overlay::Overlay(sf::RenderWindow& window, std::function<void()> on_close) : window_(window), on_close_(on_close)
{
    ImGui::SFML::Init(window_);
    ImGuiIO& io = ImGui::GetIO();
    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
    io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;

    window.resetGLStates();

    auto& style = ImGui::GetStyle();
    style.WindowBorderSize = 0;
    style.WindowRounding = 12;
    style.ScrollbarRounding = 12;
    style.PopupRounding = 12;
    style.ChildRounding = 5;
    style.ScrollbarRounding = 12;
    style.GrabRounding = 5;

    ImVec4* colors = ImGui::GetStyle().Colors;
    colors[ImGuiCol_Text] = ImVec4(0.95f, 0.96f, 0.98f, 1.00f);
    colors[ImGuiCol_TextDisabled] = ImVec4(0.36f, 0.42f, 0.47f, 1.00f);
    colors[ImGuiCol_WindowBg] = ImVec4(0.10f, 0.13f, 0.14f, 0.95f);
    colors[ImGuiCol_ChildBg] = ImVec4(0.15f, 0.18f, 0.22f, 1.00f);
    colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f);
    colors[ImGuiCol_Border] = ImVec4(0.08f, 0.10f, 0.12f, 1.00f);
    colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
    colors[ImGuiCol_FrameBg] = ImVec4(0.20f, 0.25f, 0.29f, 1.00f);
    colors[ImGuiCol_FrameBgHovered] = ImVec4(0.12f, 0.20f, 0.28f, 1.00f);
    colors[ImGuiCol_FrameBgActive] = ImVec4(0.09f, 0.12f, 0.14f, 1.00f);
    colors[ImGuiCol_TitleBg] = ImVec4(0.18f, 0.21f, 0.24f, 0.94f);
    colors[ImGuiCol_TitleBgActive] = ImVec4(0.26f, 0.29f, 0.34f, 0.93f);
    colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.00f, 0.00f, 0.00f, 0.51f);
    colors[ImGuiCol_MenuBarBg] = ImVec4(0.15f, 0.18f, 0.22f, 1.00f);
    colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.39f);
    colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.20f, 0.25f, 0.29f, 1.00f);
    colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.18f, 0.22f, 0.25f, 1.00f);
    colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.09f, 0.21f, 0.31f, 1.00f);
    colors[ImGuiCol_CheckMark] = ImVec4(0.28f, 0.56f, 1.00f, 1.00f);
    colors[ImGuiCol_SliderGrab] = ImVec4(0.28f, 0.56f, 1.00f, 1.00f);
    colors[ImGuiCol_SliderGrabActive] = ImVec4(0.37f, 0.61f, 1.00f, 1.00f);
    colors[ImGuiCol_Button] = ImVec4(0.20f, 0.25f, 0.29f, 1.00f);
    colors[ImGuiCol_ButtonHovered] = ImVec4(0.28f, 0.56f, 1.00f, 1.00f);
    colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
    colors[ImGuiCol_Header] = ImVec4(0.15f, 0.20f, 0.25f, 0.95f);
    colors[ImGuiCol_HeaderHovered] = ImVec4(0.29f, 0.54f, 0.83f, 0.96f);
    colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
    colors[ImGuiCol_Separator] = ImVec4(0.20f, 0.25f, 0.29f, 1.00f);
    colors[ImGuiCol_SeparatorHovered] = ImVec4(0.10f, 0.40f, 0.75f, 0.78f);
    colors[ImGuiCol_SeparatorActive] = ImVec4(0.10f, 0.40f, 0.75f, 1.00f);
    colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.25f);
    colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
    colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
    colors[ImGuiCol_Tab] = ImVec4(0.11f, 0.15f, 0.17f, 1.00f);
    colors[ImGuiCol_TabHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
    colors[ImGuiCol_TabActive] = ImVec4(0.20f, 0.25f, 0.29f, 1.00f);
    colors[ImGuiCol_TabUnfocused] = ImVec4(0.11f, 0.15f, 0.17f, 1.00f);
    colors[ImGuiCol_TabUnfocusedActive] = ImVec4(0.11f, 0.15f, 0.17f, 1.00f);
    colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
    colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
    colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
    colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
    colors[ImGuiCol_TableHeaderBg] = ImVec4(0.19f, 0.19f, 0.20f, 1.00f);
    colors[ImGuiCol_TableBorderStrong] = ImVec4(0.31f, 0.31f, 0.35f, 1.00f);
    colors[ImGuiCol_TableBorderLight] = ImVec4(0.23f, 0.23f, 0.25f, 1.00f);
    colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
    colors[ImGuiCol_TableRowBgAlt] = ImVec4(1.00f, 1.00f, 1.00f, 0.06f);
    colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
    colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
    colors[ImGuiCol_NavHighlight] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
    colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
    colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
    colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
}

void Overlay::setEnabled(bool enabled)
{
    enabled_ = enabled;
}

bool Overlay::toggle()
{
    enabled_ = !enabled_;
    return enabled_;
}

void Overlay::update()
{
    ImGui::SFML::Update(window_, update_clock_.restart());

    bool open = true;
    if (enabled_) {
        window_.clear(sf::Color(0, 0, 0, 64)); // make window slightly dim screen with overlay
        ImGui::ShowDemoWindow(&open);

        if (closeButton()) {
            return;
        }   
    }

    ImGui::SFML::Render(window_);
}

void Overlay::ProcessEvent(sf::Event evnt)
{
    ImGui::SFML::ProcessEvent(evnt);
}

void Overlay::Shutdown()
{
    ImGui::SFML::Shutdown();
}

void Overlay::ShowNotification(std::string noti_text)
{}

bool Overlay::closeButton() const
{
    ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, {0, 0});
    ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0.0f, 0.f, 0.f, 0.0f));
    ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(0.6f, 0.f, 0.f, 0.9f));
    ImGui::PushStyleColor(ImGuiCol_ButtonHovered,ImVec4(1.f, 0.16f, 0.16f, 1.00f));
    ImGui::Begin("##CloseButton", nullptr, ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize);
    ImGui::SetWindowSize({56 + 24, 32 + 24});
    ImGui::SetWindowPos({window_.getSize().x - ImGui::GetWindowWidth() + 24, -24});
    if (ImGui::Button("X##Close", {56, 48})) {
        on_close_();
        return true;
    }
    ImGui::End();
    ImGui::PopStyleColor();
    ImGui::PopStyleColor();
    ImGui::PopStyleColor();
    ImGui::PopStyleVar();
    return false;
}