ImGuiHelp.cc

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#include "ImGuiHelp.hh"
 
#include "ImGuiCpp.hh"
#include "ImGuiUtils.hh"
 
#include "FileContext.hh"
#include "FileOperations.hh"
#include "GLImage.hh"
 
#include "Version.hh"
#include "build-info.hh"
#include "components.hh"
 
#include <cassert>
 
namespace openmsx {
 
using namespace std::literals;
 
void ImGuiHelp::showMenu(MSXMotherBoard* /*motherBoard*/)
{
        auto docDir = FileOperations::getSystemDocDir();
        im::Menu("Help", [&]{
                im::Menu("Manual", [&]{
                        drawURL("FAQ", strCat("file://", docDir, "/manual/faq.html"));
                        drawURL("Setup Guide", strCat("file://", docDir, "/manual/setup.html"));
                        drawURL("User Manual", strCat("file://", docDir, "/manual/user.html"));
                });
                ImGui::MenuItem("Dear ImGui user guide", nullptr, &showImGuiUserGuide);
                ImGui::Separator();
                ImGui::MenuItem("About openMSX", nullptr, &showAboutOpenMSX);
                ImGui::MenuItem("About Dear ImGui", nullptr, &showAboutImGui);
        });
}
 
void ImGuiHelp::paint(MSXMotherBoard* /*motherBoard*/)
{
        if (showAboutOpenMSX) paintAbout();
        if (showAboutImGui) ImGui::ShowAboutWindow(&showAboutImGui);
        if (showImGuiUserGuide) {
                im::Window("Dear ImGui User Guide", &showImGuiUserGuide, [&]{
                        ImGui::ShowUserGuide();
                });
        }
}
 
void ImGuiHelp::paintAbout()
{
        im::Window("About openMSX", &showAboutOpenMSX, [&]{
                if (!logo) {
                        logo.emplace(); // initialize with null-image
                        try {
                                FileContext context = systemFileContext();
                                auto r = context.resolve("icons/openMSX-logo-256.png");
                                gl::ivec2 isize;
                                logo->texture = loadTexture(r, isize);
                                logo->size = gl::vec2(isize);
                        } catch (...) {
                                // ignore, don't try again
                        }
                }
                assert(logo);
                if (logo->texture.get()) {
                        ImGui::Image(logo->texture.getImGui(), logo->size);
                        ImGui::SameLine();
                }
                im::Group([&]{
                        ImGui::TextUnformatted(Version::full());
                        ImGui::Spacing();
                        im::Table("##table", 2, ImGuiTableFlags_SizingFixedFit, [&]{
                                if (ImGui::TableNextColumn()) ImGui::TextUnformatted("platform:"sv);
                                if (ImGui::TableNextColumn()) ImGui::TextUnformatted(TARGET_PLATFORM);
 
                                if (ImGui::TableNextColumn()) ImGui::TextUnformatted("target CPU:"sv);
                                if (ImGui::TableNextColumn()) ImGui::TextUnformatted(TARGET_CPU);
 
                                if (ImGui::TableNextColumn()) ImGui::TextUnformatted("flavour:"sv);
                                if (ImGui::TableNextColumn()) ImGui::TextUnformatted(BUILD_FLAVOUR);
 
                                if (ImGui::TableNextColumn()) ImGui::TextUnformatted("components:"sv);
                                if (ImGui::TableNextColumn()) ImGui::TextUnformatted(BUILD_COMPONENTS);
                        });
                        ImGui::Spacing();
                        ImGui::TextUnformatted("license: GPL2"sv);
                        ImGui::Text("%s The openMSX Team", Version::COPYRIGHT);
 
                        ImGui::TextUnformatted("Visit our website:"sv);
                        ImGui::SameLine();
                        drawURL("openMSX.org", "https://openmsx.org");
                });
        });
}
 
} // namespace openmsx