terminal_chat_console.h

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/*
Minetest
Copyright (C) 2015 est31 <MTest31@outlook.com>
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.
 
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
 
#pragma once
 
#include "chat.h"
#include "threading/thread.h"
#include "util/container.h"
#include "log.h"
#include <set>
#include <sstream>
 
 
struct ChatInterface;
 
class TermLogOutput : public ILogOutput {
public:
 
    void logRaw(LogLevel lev, const std::string &line)
    {
        queue.push_back(std::make_pair(lev, line));
    }
 
    virtual void log(LogLevel lev, const std::string &combined,
        const std::string &time, const std::string &thread_name,
        const std::string &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,
        bool *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;
 
    bool *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;