help_menu_entry.cxx

#include "help_menu_entry.h"
 
#include <cgv/gui/gui_driver.h>
 
namespace cgv {
    namespace gui {
 
void help_menu_entry::on_register() {
    // TODO: Prevent double registration/creation of window.
 
    auto driver = cgv::gui::get_gui_driver();
    wnd = driver->create_window(400, 300, "Help: " + get_name(), "generic");
    std::string value = "scroll_group";
    wnd->set_void("group", "string", &value);
 
    for(const auto& section : sections) {
        switch(section.type) {
        case SectionType::kHeading1:
            wnd->add_decorator(section.content, "heading", "level=0", "");
            break;
        case SectionType::kHeading2:
            wnd->add_decorator(section.content, "heading", "level=1", "");
            break;
        case SectionType::kHeading3:
            wnd->add_decorator(section.content, "heading", "level=2", "");
            break;
        case SectionType::kHeading4:
            wnd->add_decorator(section.content, "heading", "level=3", "");
            break;
        case SectionType::kText:
            wnd->add_decorator(section.content, "text", "", "");
            break;
        case SectionType::kItems:
        {
            std::vector<cgv::utils::token> tokens;
            cgv::utils::bite_all(cgv::utils::tokenizer(section.content).set_skip("'\"", "'\"", "\\\\").set_ws(";"), tokens);
 
            if(tokens.empty())
                break;
 
            for(const auto& token : tokens) {
                std::string text = "  -\t" + to_string(token);
                // TODO: Prevent y-spacing between items.
                wnd->add_decorator(text, "text", "", "");
            }
 
            break;
        }
        case SectionType::kKeyBindings:
        {
            std::vector<cgv::utils::token> tokens;
            cgv::utils::bite_all(cgv::utils::tokenizer(section.content).set_skip("'\"", "'\"", "\\\\").set_ws(";"), tokens);
 
            if(tokens.empty())
                break;
 
            std::string group_options = "layout=table;border-style=framed;cols=2";
            group_options += ";rows=" + std::to_string(tokens.size());
 
            auto group = wnd->add_group("", "layout_group", group_options, "");
            groups.push_back(group);
 
            for(const auto& token : tokens) {
                std::vector<cgv::utils::token> sides;
                cgv::utils::bite_all(cgv::utils::tokenizer(token).set_skip("'\"", "'\"", "\\\\").set_ws("="), sides);
 
                if(sides.size() != 2) {
                    //if(report_error)
                    //  std::cerr << "property assignment >" << to_string(toks[i]).c_str() << "< does not match pattern lhs=rhs" << std::endl;
                    continue;
                }
 
                std::string lhs = cgv::utils::trim(to_string(sides[0]), " ");
                std::string rhs = cgv::utils::trim(to_string(sides[1]), "'");
 
                group->add_decorator("  " + lhs, "text", "w=100;border=true", "S");
                group->add_decorator(rhs, "text", "border=true", "sSxX");
            }
 
            break;
        }
        default:
            break;
        }
    }
 
    wnd->show();
    
    // TODO: Do we need to register the window?
    //cgv::base::register_object(wnd, "register help window");
 
    // TODO: Do we need to unregister/clear or whatever the window before we unregister this instance?
    //driver->remove_window(wnd);
    //wnd.clear();
 
    cgv::base::unregister_object(this);
}
 
void help_menu_entry::unregister() {
    // TODO: Do potential unregister actions.
}
 
    }
}