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lxdream.org :: lxdream/src/maple/kbd.c
lxdream 0.9.1
released Jun 29
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filename src/maple/kbd.c
changeset 849:bbe26d798fc2
prev848:34dc33c05106
next1034:7044e01148f0
author nkeynes
date Mon Sep 08 05:13:51 2008 +0000 (12 years ago)
permissions -rw-r--r--
last change Refactor mouse event management - button events are now usable for controllers
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     1 /**
     2  * $Id$
     3  *
     4  * Implements the standard dreamcast keyboard
     5  * Part No. HKT-7620
     6  *
     7  * Copyright (c) 2005 Nathan Keynes.
     8  *
     9  * This program is free software; you can redistribute it and/or modify
    10  * it under the terms of the GNU General Public License as published by
    11  * the Free Software Foundation; either version 2 of the License, or
    12  * (at your option) any later version.
    13  *
    14  * This program is distributed in the hope that it will be useful,
    15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    17  * GNU General Public License for more details.
    18  */
    20 #include <stdlib.h>
    21 #include <X11/keysym.h>
    22 #include "dream.h"
    23 #include "dreamcast.h"
    24 #include "display.h"
    25 #include "maple.h"
    27 #define KEYBOARD_IDENT {  0x00, 0x00, 0x00, 0x40,  0x02, 0x05, 0x00, 0x80,  0x00, 0x00, 0x00, 0x00, \
    28     0x00, 0x00, 0x00, 0x00,  0x01, 0x00, 0x4b, 0x65,  0x79, 0x62, 0x6f, 0x61,  0x72, 0x64, 0x20, 0x20, \
    29     0x20, 0x20, 0x20, 0x20,  0x20, 0x20, 0x20, 0x20,  0x20, 0x20, 0x20, 0x20,  0x20, 0x20, 0x20, 0x20, \
    30     0x20, 0x20, 0x20, 0x20,  0x50, 0x72, 0x6f, 0x64,  0x75, 0x63, 0x65, 0x64,  0x20, 0x42, 0x79, 0x20, \
    31     0x6f, 0x72, 0x20, 0x55,  0x6e, 0x64, 0x65, 0x72,  0x20, 0x4c, 0x69, 0x63,  0x65, 0x6e, 0x73, 0x65, \
    32     0x20, 0x46, 0x72, 0x6f,  0x6d, 0x20, 0x53, 0x45,  0x47, 0x41, 0x20, 0x45,  0x4e, 0x54, 0x45, 0x52, \
    33     0x50, 0x52, 0x49, 0x53,  0x45, 0x53, 0x2c, 0x4c,  0x54, 0x44, 0x2e, 0x20,  0x20, 0x20, 0x20, 0x20, \
    34     0x2c, 0x01, 0x90, 0x01 }
    36 #define KEYBOARD_VERSION {0x56, 0x65, 0x72, 0x73,  0x69, 0x6f, 0x6e, 0x20,  0x31, 0x2e, 0x30, 0x31, \
    37     0x30, 0x2c, 0x31, 0x39,  0x39, 0x39, 0x2f, 0x30,  0x34, 0x2f, 0x32, 0x37,  0x2c, 0x33, 0x31, 0x35, \
    38     0x2d, 0x36, 0x32, 0x31,  0x31, 0x2d, 0x41, 0x4d,  0x20, 0x20, 0x20, 0x2c,  0x4b, 0x65, 0x79, 0x20, \
    39     0x53, 0x63, 0x61, 0x6e,  0x20, 0x4d, 0x6f, 0x64,  0x75, 0x6c, 0x65, 0x20,  0x3a, 0x20, 0x54, 0x68, \
    40     0x65, 0x20, 0x32, 0x6e,  0x64, 0x20, 0x45, 0x64,  0x69, 0x74, 0x69, 0x6f,  0x6e, 0x2e, 0x20, 0x30, \
    41     0x34, 0x2f, 0x32, 0x35 }
    43 void keyboard_attach( maple_device_t dev );
    44 void keyboard_detach( maple_device_t dev );
    45 maple_device_t keyboard_clone( maple_device_t dev );
    46 maple_device_t keyboard_new();
    47 int keyboard_get_cond( maple_device_t dev, int function, unsigned char *outbuf,
    48                        unsigned int *outlen );
    50 typedef struct keyboard_device {
    51     struct maple_device dev;
    52     uint8_t condition[8];
    53 } *keyboard_device_t; 
    55 struct maple_device_class keyboard_class = { "Sega Keyboard", keyboard_new };
    57 static struct keyboard_device base_keyboard = {
    58         { MAPLE_DEVICE_TAG, &keyboard_class, MAPLE_GRAB_DONTCARE,
    59                 KEYBOARD_IDENT, KEYBOARD_VERSION, 
    60                 NULL, NULL, keyboard_attach, keyboard_detach, maple_default_destroy,
    61                 keyboard_clone, NULL, NULL, keyboard_get_cond, NULL, NULL, NULL },
    62                 {0,0,0,0,0,0,0,0}, 
    63 };
    65 #define KEYBOARD(x) ((keyboard_device_t)(x))
    67 maple_device_t keyboard_new( )
    68 {
    69     keyboard_device_t dev = malloc( sizeof(struct keyboard_device) );
    70     memcpy( dev, &base_keyboard, sizeof(base_keyboard) );
    71     return MAPLE_DEVICE(dev);
    72 }
    74 maple_device_t keyboard_clone( maple_device_t srcdevice )
    75 {
    76     keyboard_device_t src = (keyboard_device_t)srcdevice;
    77     keyboard_device_t dev = (keyboard_device_t)keyboard_new();
    78     memcpy( dev->condition, src->condition, sizeof(src->condition) );
    79     return MAPLE_DEVICE(dev);
    80 }
    82 void keyboard_key_down( keyboard_device_t dev, uint8_t key )
    83 {
    84     int i;
    85     for( i=2; i<8; i++ ) {
    86         if( dev->condition[i] == key ) {
    87             return; // key already down, missed event or repeat
    88         } else if( dev->condition[i] == 0 ) {
    89             dev->condition[i] = key;
    90             return;
    91         }
    92     }
    93     /* Key array is full - skip for the moment */
    94 }
    96 void keyboard_key_up( keyboard_device_t dev, uint8_t key )
    97 {
    98     int i;
    99     for( i=2; i<8; i++ ) {
   100         if( dev->condition[i] == key ) {
   101             for( ; i<7; i++ ) {
   102                 dev->condition[i] = dev->condition[i+1];
   103             }
   104             dev->condition[7] = 0;
   105             break;
   106         }
   107     }
   108 }
   110 void keyboard_input_hook( void *mdev, uint32_t keycode, uint32_t pressure, gboolean isKeyDown )
   111 {
   112     keyboard_device_t dev = (keyboard_device_t)mdev;
   113     uint16_t key = input_keycode_to_dckeysym( keycode );
   114     if( key != 0 ) {
   115         if( key >> 8 == 0xFF ) { // shift 
   116             if( isKeyDown ) {
   117                 dev->condition[0] |= (key&0xFF);
   118             } else {
   119                 dev->condition[0] &= ~(key&0xFF);
   120             }
   121         } else {
   122             if( isKeyDown ) {
   123                 keyboard_key_down( dev, (uint8_t)key );
   124             } else {
   125                 keyboard_key_up( dev, (uint8_t)key );
   126             }
   127         }
   128     }
   129     /*
   130     fprintf( stderr, "Key cond: %02X %02X  %02X %02X %02X %02X %02X %02X\n",
   131 	     dev->condition[0], dev->condition[1], dev->condition[2],
   132 	     dev->condition[3], dev->condition[4], dev->condition[5],
   133 	     dev->condition[6], dev->condition[7] );
   134      */     
   135 }
   137 /**
   138  * Device is being attached to the bus. Go through the config and reserve the
   139  * keys we need.
   140  */
   141 void keyboard_attach( maple_device_t mdev )
   142 {
   143     input_register_keyboard_hook( keyboard_input_hook, mdev );
   144 }
   146 void keyboard_detach( maple_device_t mdev )
   147 {
   148     input_unregister_keyboard_hook( keyboard_input_hook, mdev );
   149 }
   152 int keyboard_get_cond( maple_device_t mdev, int function, unsigned char *outbuf,
   153                        unsigned int *outlen )
   154 {
   155     keyboard_device_t dev = (keyboard_device_t)mdev;
   156     if( function == MAPLE_FUNC_KEYBOARD ) {
   157         *outlen = 2;
   158         memcpy( outbuf, dev->condition, 8 );
   159         return 0;
   160     } else {
   161         return MAPLE_ERR_FUNC_UNSUP;
   162     }
   163 }
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