osdep/getch2-os2.c

   1 /*
   2  * getch2-os2.c : OS/2 TermIO for MPlayer
   3  *
   4  * Copyright (c) 2007 KO Myung-Hun (komh@chollian.net)
   5  *
   6  * This file is part of MPlayer.
   7  *
   8  * MPlayer is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * MPlayer is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22
  23 #define INCL_KBD
  24 #define INCL_VIO
  25 #define INCL_DOS
  26 #include <os2.h>
  27
  28 #include <stdio.h>
  29
  30 #include "config.h"
  31 #include "keycodes.h"
  32 #include "input/input.h"
  33 #include "mp_fifo.h"
  34
  35 #if defined(HAVE_LANGINFO) && defined(CONFIG_ICONV)
  36 #include <locale.h>
  37 #include <langinfo.h>
  38 #endif
  39
  40 int mp_input_slave_cmd_func( int fd, char *dest, int size )
  41 {
  42     PPIB    ppib;
  43     CHAR    szPipeName[ 100 ];
  44     HFILE   hpipe;
  45     ULONG   ulAction;
  46     ULONG   cbActual;
  47     ULONG   rc;
  48
  49     DosGetInfoBlocks( NULL, &ppib );
  50
  51     sprintf( szPipeName, "\\PIPE\\MPLAYER\\%lx", ppib->pib_ulpid );
  52
  53     rc = DosOpen( szPipeName, &hpipe, &ulAction, 0, FILE_NORMAL,
  54                   OPEN_ACTION_OPEN_IF_EXISTS,
  55                   OPEN_SHARE_DENYREADWRITE | OPEN_ACCESS_READWRITE,
  56                   NULL );
  57     if( rc )
  58         return MP_INPUT_NOTHING;
  59
  60     rc = DosRead( hpipe, dest, size, &cbActual );
  61     if( rc )
  62         return MP_INPUT_NOTHING;
  63
  64     rc = cbActual;
  65
  66     // Send ACK
  67     DosWrite( hpipe, &rc, sizeof( ULONG ), &cbActual );
  68
  69     DosClose( hpipe );
  70
  71     return rc;
  72 }
  73
  74
  75 int screen_width = 80;
  76 int screen_height = 24;
  77 char *erase_to_end_of_line = NULL;
  78
  79 void get_screen_size( void )
  80 {
  81     VIOMODEINFO vmi;
  82
  83     vmi.cb = sizeof( VIOMODEINFO );
  84
  85     VioGetMode( &vmi, 0 );
  86
  87     screen_width = vmi.col;
  88     screen_height = vmi.row;
  89 }
  90
  91 static int getch2_status = 0;
  92
  93 static int getch2_internal( void )
  94 {
  95     KBDKEYINFO kki;
  96
  97     if( !getch2_status )
  98         return -1;
  99
 100     if( KbdCharIn( &kki, IO_NOWAIT, 0 ))
 101         return -1;
 102
 103     // key pressed ?
 104     if( kki.fbStatus )
 105     {
 106         // extended key ?
 107         if(( kki.chChar == 0x00 ) || ( kki.chChar == 0xE0 ))
 108         {
 109             switch( kki.chScan )
 110             {
 111                 case 0x4B : // Left
 112                     return KEY_LEFT;
 113
 114                 case 0x48 : // Up
 115                     return KEY_UP;
 116
 117                 case 0x4D : // Right
 118                     return KEY_RIGHT;
 119
 120                 case 0x50 : // Down
 121                     return KEY_DOWN;
 122
 123                 case 0x53 : // Delete
 124                     return KEY_DELETE;
 125
 126                 case 0x52 : // Insert
 127                     return KEY_INSERT;
 128
 129                 case 0x47 : // Home
 130                     return KEY_HOME;
 131
 132                 case 0x4F : // End
 133                     return KEY_END;
 134
 135                 case 0x49 : // Page Up
 136                     return KEY_PAGE_UP;
 137
 138                 case 0x51 : // Page Down
 139                     return KEY_PAGE_DOWN;
 140             }
 141         }
 142         else
 143         {
 144             switch( kki.chChar )
 145             {
 146                 case 0x08 : // Backspace
 147                     return KEY_BS;
 148
 149                 case 0x1B : // Esc
 150                     return KEY_ESC;
 151
 152                 case 0x0D : // Enter
 153                     // Keypad Enter ?
 154                     if( kki.chScan == 0xE0 )
 155                         return KEY_KPENTER;
 156                     break;
 157             }
 158
 159             return kki.chChar;
 160         }
 161     }
 162
 163     return -1;
 164 }
 165
 166 void getch2( void )
 167 {
 168     int key;
 169
 170     key = getch2_internal();
 171     if( key != -1 )
 172         mplayer_put_key( key );
 173 }
 174
 175 void getch2_enable( void )
 176 {
 177     getch2_status = 1;
 178 }
 179
 180 void getch2_disable( void )
 181 {
 182     getch2_status = 0;
 183 }
 184
 185 #ifdef CONFIG_ICONV
 186 char *get_term_charset( void )
 187 {
 188     char *charset = NULL;
 189
 190 #ifdef HAVE_LANGINFO
 191     setlocale( LC_CTYPE, "");
 192     charset = nl_langinfo( CODESET );
 193     setlocale( LC_CTYPE, "C");
 194 #endif
 195
 196     return charset;
 197 }
 198 #endif
 199