terminalinputhandler.cc

来自「Linux下比较早的基于命令行的DVD播放器」· CC 代码 · 共 129 行

//
// Copyright (c) 2003 by Istv醤 V醨adi
//
// This file is part of dxr3Player, a DVD player written specifically 
// for the DXR3 (aka Hollywood+) decoder card.

// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

//------------------------------------------------------------------------------

#include "TerminalInputHandler.h"

#include "util/POSIX.h"
#include "util/Log.h"

//------------------------------------------------------------------------------

using input::CharInputHandler;
using input::TerminalInputHandler;
using input::InputListener;

//------------------------------------------------------------------------------

static CharInputHandler::Sequence terminalSequences[]=
{
    { "8",       0, InputListener::UP },                    // 8
    { "\033[A",  0, InputListener::UP },                    // Cursor Up
    { "2",       0, InputListener::DOWN },                  // 2
    { "\033[B",  0, InputListener::DOWN },                  // Cursor Down
    { "4",       0, InputListener::LEFT },                  // 4
    { "\033[D",  0, InputListener::LEFT },                  // Cursor Left
    { "6",       0, InputListener::RIGHT },                 // 6
    { "\033[C",  0, InputListener::RIGHT },                 // Cursor Right
    { "5",       0, InputListener::ACTIVATE },              // 5
    { "\r",      0, InputListener::ACTIVATE },              // Enter
    { "t",       0, InputListener::MENU_TITLE },            // t
    { "r",       0, InputListener::MENU_ROOT },             // r
    { "R",       0, InputListener::MENU_ROOT_FORCED },      // R
    { "s",       0, InputListener::MENU_SUBPICTURE },       // s
    { "a",       0, InputListener::MENU_AUDIO },            // a
    { "n",       0, InputListener::MENU_ANGLE },            // n
    { "p",       0, InputListener::MENU_PART },             // p
    { "P",       0, InputListener::PREVIOUS_CHAPTER },      // P
    { "\033[5~", 0, InputListener::PREVIOUS_CHAPTER },      // Page Up
    { "N",       0, InputListener::NEXT_CHAPTER },          // N
    { "\033[6~", 0, InputListener::NEXT_CHAPTER },          // Page Down
    { "1",       0, InputListener::PLAY },                  // 1
    { " ",       0, InputListener::PAUSE },                 // Space
    { ">",       0, InputListener::PLAY_FAST_FORWARD },     // >
    { "<",       0, InputListener::PLAY_FAST_BACKWARD },    // <
    { "e",       0, InputListener::EJECT },                 // e
    { "\033[4~", 0, InputListener::EJECT },                 // End
    { "\033[8~", 0, InputListener::EJECT },                 // End
    { "\033OF",  0, InputListener::EJECT },                 // End
    { "\033[F",  0, InputListener::EJECT },                 // End
    { "o",       0, InputListener::TOGGLE_OUTPUT },         // o
    { "y",       0, InputListener::RESYNCHRONIZE },         // y
    { "\033[1~", 0, InputListener::RESYNCHRONIZE },         // Home
    { "\033[7~", 0, InputListener::RESYNCHRONIZE },         // Home
    { "\033OH",  0, InputListener::RESYNCHRONIZE },         // Home
    { "\033[H",  0, InputListener::RESYNCHRONIZE },         // Home
    { "Y",       0, InputListener::RESYNCHRONIZE_ALL },     // Y
    { "v",       0, InputListener::VOLUME_RESET },          // v
    { "=",       0, InputListener::VOLUME_UP },             // =
    { "-",       0, InputListener::VOLUME_DOWN },           // -
    { "m",       0, InputListener::TOGGLE_AUDIO },          // m
    { "]",       0, InputListener::INCREASE_BRIGHTNESS },   // ]
    { "[",       0, InputListener::DECREASE_BRIGHTNESS },   // [
    { "'",       0, InputListener::INCREASE_CONTRAST },     // '
    { ";",       0, InputListener::DECREASE_CONTRAST },     // ;
    { "/",       0, InputListener::INCREASE_SATURATION },   // /
    { ".",       0, InputListener::DECREASE_SATURATION },   // .
    { "A",       0, InputListener::CHANGE_ANGLE },          // A
    { "L",       0, InputListener::NEXT_AUDIO_STREAM },     // L
    { "\033l",   0, InputListener::PREVIOUS_AUDIO_STREAM }, // Alt+l
    { "S",       0, InputListener::NEXT_SPU_STREAM },       // S
    { "\033s",   0, InputListener::PREVIOUS_SPU_STREAM },   // Alt+s
    { "i",       0, InputListener::PRINT_STATUS },          // i
    { "z",       0, InputListener::SAVE_DVD_STATE },        // z
    { "Z",       0, InputListener::RESUME_DVD_STATE },      // Z
    { "Q",       0, InputListener::QUIT },                  // Q
    { 0, 0, InputListener::NONE }
};

//------------------------------------------------------------------------------

TerminalInputHandler::TerminalInputHandler(InputListener& listener) :
    ReaderInputHandler(listener, "input::TerminalInputHandler", terminalSequences)
{
    struct termios termios;
    
    int flags = POSIX::fcntl(0, F_GETFL);
    flags |= O_NONBLOCK;
    POSIX::fcntl(0, F_SETFL, flags);
    
    tcgetattr(0, &old_termios);
    
    tcgetattr(0, &termios);
    cfmakeraw(&termios);
    termios.c_oflag |= OPOST;
    
    tcsetattr(0, TCSANOW, &termios);

    start(0);
}
    

//------------------------------------------------------------------------------

TerminalInputHandler::~TerminalInputHandler()
{
    Log::normal("input::TerminalInputHandler::~TerminalInputHandler: restoring terminal settings\n");
    tcsetattr(0, TCSANOW, &old_termios);
}

//------------------------------------------------------------------------------