osdep/getch2-os2.c

   1 /*
   2  * OS/2 TermIO
   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 #include <string.h>
  30
  31 #include "config.h"
  32 #include "keycodes.h"
  33 #include "input/input.h"
  34 #include "mp_fifo.h"
  35 #include "getch2.h"
  36
  37 #if defined(HAVE_LANGINFO) && defined(CONFIG_ICONV)
  38 #include <locale.h>
  39 #include <langinfo.h>
  40 #endif
  41
  42 int mp_input_slave_cmd_func( int fd, char *dest, int size )
  43 {
  44     PPIB    ppib;
  45     CHAR    szPipeName[ 100 ];
  46     HFILE   hpipe;
  47     ULONG   ulAction;
  48     ULONG   cbActual;
  49     ULONG   rc;
  50
  51     DosGetInfoBlocks( NULL, &ppib );
  52
  53     sprintf( szPipeName, "\\PIPE\\MPLAYER\\%lx", ppib->pib_ulpid );
  54
  55     rc = DosOpen( szPipeName, &hpipe, &ulAction, 0, FILE_NORMAL,
  56                   OPEN_ACTION_OPEN_IF_EXISTS,
  57                   OPEN_SHARE_DENYREADWRITE | OPEN_ACCESS_READWRITE,
  58                   NULL );
  59     if( rc )
  60         return MP_INPUT_NOTHING;
  61
  62     rc = DosRead( hpipe, dest, size, &cbActual );
  63     if( rc )
  64         return MP_INPUT_NOTHING;
  65
  66     rc = cbActual;
  67
  68     // Send ACK
  69     DosWrite( hpipe, &rc, sizeof( ULONG ), &cbActual );
  70
  71     DosClose( hpipe );
  72
  73     return rc;
  74 }
  75
  76
  77 int screen_width = 80;
  78 int screen_height = 24;
  79 char *erase_to_end_of_line = NULL;
  80
  81 void get_screen_size( void )
  82 {
  83     VIOMODEINFO vmi;
  84
  85     vmi.cb = sizeof( VIOMODEINFO );
  86
  87     VioGetMode( &vmi, 0 );
  88
  89     screen_width = vmi.col;
  90     screen_height = vmi.row;
  91 }
  92
  93 static int getch2_status = 0;
  94
  95 static int getch2_internal( void )
  96 {
  97     KBDKEYINFO kki;
  98
  99     if( !getch2_status )
 100         return -1;
 101
 102     if( KbdCharIn( &kki, IO_NOWAIT, 0 ))
 103         return -1;
 104
 105     // key pressed ?
 106     if( kki.fbStatus )
 107     {
 108         // extended key ?
 109         if(( kki.chChar == 0x00 ) || ( kki.chChar == 0xE0 ))
 110         {
 111             switch( kki.chScan )
 112             {
 113                 case 0x4B : // Left
 114                     return KEY_LEFT;
 115
 116                 case 0x48 : // Up
 117                     return KEY_UP;
 118
 119                 case 0x4D : // Right
 120                     return KEY_RIGHT;
 121
 122                 case 0x50 : // Down
 123                     return KEY_DOWN;
 124
 125                 case 0x53 : // Delete
 126                     return KEY_DELETE;
 127
 128                 case 0x52 : // Insert
 129                     return KEY_INSERT;
 130
 131                 case 0x47 : // Home
 132                     return KEY_HOME;
 133
 134                 case 0x4F : // End
 135                     return KEY_END;
 136
 137                 case 0x49 : // Page Up
 138                     return KEY_PAGE_UP;
 139
 140                 case 0x51 : // Page Down
 141                     return KEY_PAGE_DOWN;
 142             }
 143         }
 144         else
 145         {
 146             switch( kki.chChar )
 147             {
 148                 case 0x08 : // Backspace
 149                     return KEY_BS;
 150
 151                 case 0x1B : // Esc
 152                     return KEY_ESC;
 153
 154                 case 0x0D : // Enter
 155                     // Keypad Enter ?
 156                     if( kki.chScan == 0xE0 )
 157                         return KEY_KPENTER;
 158                     break;
 159             }
 160
 161             return kki.chChar;
 162         }
 163     }
 164
 165     return -1;
 166 }
 167
 168 void getch2(struct mp_fifo *fifo)
 169 {
 170     int key;
 171
 172     key = getch2_internal();
 173     if( key != -1 )
 174         mplayer_put_key(fifo, key);
 175 }
 176
 177 void getch2_enable( void )
 178 {
 179     getch2_status = 1;
 180 }
 181
 182 void getch2_disable( void )
 183 {
 184     getch2_status = 0;
 185 }
 186
 187 #ifdef CONFIG_ICONV
 188 char *get_term_charset( void )
 189 {
 190     char *charset = NULL;
 191
 192 #ifdef HAVE_LANGINFO
 193     setlocale( LC_CTYPE, "");
 194     charset = strdup( nl_langinfo( CODESET ));
 195     setlocale( LC_CTYPE, "C");
 196 #endif
 197
 198     return charset;
 199 }
 200 #endif