terminal_chat_console.h

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// Luanti
// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (C) 2015 est31 <MTest31@outlook.com>
 
#pragma once
 
#include "chat.h"
#include "threading/thread.h"
#include "util/container.h"
#include "log_internal.h"
 
#include <csignal>
#include <set>
#include <sstream>
 
 
struct ChatInterface;
 
class TermLogOutput : public ILogOutput {
public:
 
        void logRaw(LogLevel lev, std::string_view line)
        {
                queue.push_back(std::make_pair(lev, std::string(line)));
        }
 
        virtual void log(LogLevel lev, const std::string &combined,
                const std::string &time, const std::string &thread_name,
                std::string_view payload_text)
        {
                std::ostringstream os(std::ios_base::binary);
                os << time << ": [" << thread_name << "] " << payload_text;
 
                queue.push_back(std::make_pair(lev, os.str()));
        }
 
        MutexedQueue<std::pair<LogLevel, std::string> > queue;
};
 
class TerminalChatConsole : public Thread {
public:
 
        TerminalChatConsole() :
                Thread("TerminalThread")
        {}
 
        void setup(
                ChatInterface *iface,
                volatile std::sig_atomic_t *kill_requested,
                const std::string &nick)
        {
                m_nick = nick;
                m_kill_requested = kill_requested;
                m_chat_interface = iface;
        }
 
        virtual void *run();
 
        // Highly required!
        void clearKillStatus() { m_kill_requested = nullptr; }
 
        void stopAndWaitforThread();
 
private:
        // these have stupid names so that nobody missclassifies them
        // as curses functions. Oh, curses has stupid names too?
        // Well, at least it was worth a try...
        void initOfCurses();
        void deInitOfCurses();
 
        void draw_text();
 
        void typeChatMessage(const std::wstring &m);
 
        void handleInput(int ch, bool &complete_redraw_needed);
 
        void step(int ch);
 
        // Used to ensure the deinitialisation is always called.
        struct CursesInitHelper {
                TerminalChatConsole *cons;
                CursesInitHelper(TerminalChatConsole * a_console)
                        : cons(a_console)
                { cons->initOfCurses(); }
                ~CursesInitHelper() { cons->deInitOfCurses(); }
        };
 
        int m_log_level = LL_ACTION;
        std::string m_nick;
 
        u8 m_utf8_bytes_to_wait = 0;
        std::string m_pending_utf8_bytes;
 
        std::set<std::string> m_nicks;
 
        int m_cols;
        int m_rows;
        bool m_can_draw_text;
 
        volatile std::sig_atomic_t *m_kill_requested = nullptr;
        ChatBackend                 m_chat_backend;
        ChatInterface              *m_chat_interface;
 
        TermLogOutput m_log_output;
 
        bool m_esc_mode = false;
 
        u64 m_game_time = 0;
        u32 m_time_of_day = 0;
};
 
extern TerminalChatConsole g_term_console;