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