| nkeynes@144 | 1 | /**
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| nkeynes@425 | 2 | * $Id: display.c,v 1.9 2007-10-07 06:03:22 nkeynes Exp $
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| nkeynes@144 | 3 | *
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| nkeynes@144 | 4 | * Generic support for keyboard and other input sources. The active display
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| nkeynes@144 | 5 | * driver is expected to deliver events here, where they're translated and
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| nkeynes@144 | 6 | * passed to the appropriate dreamcast controllers (if any).
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| nkeynes@144 | 7 | *
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| nkeynes@144 | 8 | * Copyright (c) 2005 Nathan Keynes.
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| nkeynes@144 | 9 | *
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| nkeynes@144 | 10 | * This program is free software; you can redistribute it and/or modify
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| nkeynes@144 | 11 | * it under the terms of the GNU General Public License as published by
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| nkeynes@144 | 12 | * the Free Software Foundation; either version 2 of the License, or
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| nkeynes@144 | 13 | * (at your option) any later version.
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| nkeynes@144 | 14 | *
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| nkeynes@144 | 15 | * This program is distributed in the hope that it will be useful,
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| nkeynes@144 | 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| nkeynes@144 | 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| nkeynes@144 | 18 | * GNU General Public License for more details.
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| nkeynes@144 | 19 | */
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| nkeynes@144 | 20 |
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| nkeynes@144 | 21 | #include <stdint.h>
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| nkeynes@144 | 22 | #include <assert.h>
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| nkeynes@144 | 23 | #include "dream.h"
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| nkeynes@144 | 24 | #include "display.h"
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| nkeynes@144 | 25 |
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| nkeynes@144 | 26 | typedef struct keymap_entry {
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| nkeynes@144 | 27 | uint16_t keycode;
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| nkeynes@144 | 28 | input_key_callback_t callback;
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| nkeynes@144 | 29 | void *data;
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| nkeynes@144 | 30 | uint32_t value;
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| nkeynes@144 | 31 | } *keymap_entry_t;
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| nkeynes@144 | 32 |
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| nkeynes@144 | 33 | /**
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| nkeynes@327 | 34 | * Colour format information
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| nkeynes@327 | 35 | */
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| nkeynes@327 | 36 | struct colour_format colour_formats[] = {
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| nkeynes@329 | 37 | { GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_BGRA, GL_RGB5_A1, 2 },
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| nkeynes@327 | 38 | { GL_UNSIGNED_SHORT_5_6_5, GL_RGB, GL_RGB5, 2 },
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| nkeynes@327 | 39 | { GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_BGRA, GL_RGBA4, 2 },
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| nkeynes@327 | 40 | { GL_UNSIGNED_INT_8_8_8_8_REV, GL_BGRA, GL_RGBA8, 4 }, /* YUV decoded to ARGB8888 */
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| nkeynes@327 | 41 | { GL_UNSIGNED_BYTE, GL_BGR, GL_RGB, 3 },
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| nkeynes@352 | 42 | { GL_UNSIGNED_INT_8_8_8_8_REV, GL_BGRA, GL_RGBA8, 4 },
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| nkeynes@352 | 43 |
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| nkeynes@327 | 44 | };
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| nkeynes@327 | 45 |
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| nkeynes@327 | 46 | /**
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| nkeynes@144 | 47 | * FIXME: make this more memory efficient
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| nkeynes@144 | 48 | */
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| nkeynes@144 | 49 | struct keymap_entry *keymap[65536];
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| nkeynes@144 | 50 |
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| nkeynes@144 | 51 |
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| nkeynes@144 | 52 | static struct keymap_entry *input_create_key( uint16_t keycode )
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| nkeynes@144 | 53 | {
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| nkeynes@144 | 54 | struct keymap_entry *key = keymap[ keycode ];
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| nkeynes@144 | 55 | if( key == NULL ) {
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| nkeynes@144 | 56 | key = malloc( sizeof( struct keymap_entry ) );
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| nkeynes@144 | 57 | assert( key != NULL );
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| nkeynes@144 | 58 | keymap[ keycode ] = key;
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| nkeynes@144 | 59 | key->keycode = keycode;
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| nkeynes@144 | 60 | }
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| nkeynes@144 | 61 | return key;
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| nkeynes@144 | 62 | }
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| nkeynes@144 | 63 |
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| nkeynes@144 | 64 | static void input_delete_key( uint16_t keycode )
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| nkeynes@144 | 65 | {
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| nkeynes@144 | 66 | struct keymap_entry *key = keymap[keycode];
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| nkeynes@144 | 67 | if( key != NULL ) {
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| nkeynes@144 | 68 | free( key );
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| nkeynes@144 | 69 | keymap[keycode] = NULL;
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| nkeynes@144 | 70 | }
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| nkeynes@144 | 71 | }
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| nkeynes@144 | 72 |
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| nkeynes@144 | 73 | static struct keymap_entry *input_get_key( uint16_t keycode )
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| nkeynes@144 | 74 | {
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| nkeynes@144 | 75 | return keymap[ keycode ];
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| nkeynes@144 | 76 | }
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| nkeynes@144 | 77 |
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| nkeynes@144 | 78 | gboolean input_register_key( const gchar *keysym, input_key_callback_t callback,
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| nkeynes@144 | 79 | void *data, uint32_t value )
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| nkeynes@144 | 80 | {
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| nkeynes@356 | 81 | if( display_driver == NULL || keysym == NULL || display_driver->resolve_keysym == NULL )
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| nkeynes@144 | 82 | return FALSE; /* No display driver */
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| nkeynes@271 | 83 | gchar **strv = g_strsplit(keysym, ",", 16);
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| nkeynes@271 | 84 | gchar **s = strv;
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| nkeynes@271 | 85 | while( *s != NULL ) {
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| nkeynes@271 | 86 | uint16_t keycode = display_driver->resolve_keysym(g_strstrip(*s));
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| nkeynes@271 | 87 | if( keycode == 0 )
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| nkeynes@271 | 88 | return FALSE; /* Invalid keysym */
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| nkeynes@271 | 89 |
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| nkeynes@271 | 90 | struct keymap_entry *key = input_create_key( keycode );
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| nkeynes@271 | 91 | key->callback = callback;
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| nkeynes@271 | 92 | key->data = data;
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| nkeynes@271 | 93 | key->value = value;
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| nkeynes@271 | 94 | s++;
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| nkeynes@271 | 95 | }
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| nkeynes@271 | 96 | g_strfreev(strv);
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| nkeynes@144 | 97 | return TRUE;
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| nkeynes@144 | 98 | }
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| nkeynes@144 | 99 |
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| nkeynes@144 | 100 | void input_unregister_key( const gchar *keysym )
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| nkeynes@144 | 101 | {
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| nkeynes@144 | 102 | if( display_driver == NULL || keysym == NULL )
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| nkeynes@144 | 103 | return;
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| nkeynes@144 | 104 | uint16_t keycode = display_driver->resolve_keysym(keysym);
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| nkeynes@144 | 105 | if( keycode == 0 )
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| nkeynes@144 | 106 | return;
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| nkeynes@144 | 107 | input_delete_key( keycode );
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| nkeynes@144 | 108 | }
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| nkeynes@144 | 109 |
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| nkeynes@144 | 110 |
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| nkeynes@144 | 111 | gboolean input_is_key_valid( const gchar *keysym )
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| nkeynes@144 | 112 | {
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| nkeynes@144 | 113 | if( display_driver == NULL )
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| nkeynes@144 | 114 | return FALSE; /* No display driver */
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| nkeynes@144 | 115 | return display_driver->resolve_keysym(keysym) != 0;
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| nkeynes@144 | 116 | }
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| nkeynes@144 | 117 |
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| nkeynes@144 | 118 | gboolean input_is_key_registered( const gchar *keysym )
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| nkeynes@144 | 119 | {
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| nkeynes@144 | 120 | if( display_driver == NULL )
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| nkeynes@144 | 121 | return FALSE;
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| nkeynes@144 | 122 | uint16_t keycode = display_driver->resolve_keysym(keysym);
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| nkeynes@144 | 123 | if( keycode == 0 )
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| nkeynes@144 | 124 | return FALSE;
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| nkeynes@144 | 125 | return input_get_key( keycode ) != NULL;
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| nkeynes@144 | 126 | }
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| nkeynes@144 | 127 |
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| nkeynes@144 | 128 | void input_event_keydown( uint16_t keycode )
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| nkeynes@144 | 129 | {
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| nkeynes@144 | 130 | struct keymap_entry *key = input_get_key(keycode);
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| nkeynes@144 | 131 | if( key != NULL ) {
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| nkeynes@144 | 132 | key->callback( key->data, key->value, TRUE );
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| nkeynes@144 | 133 | }
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| nkeynes@144 | 134 | }
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| nkeynes@144 | 135 |
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| nkeynes@144 | 136 | void input_event_keyup( uint16_t keycode )
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| nkeynes@144 | 137 | {
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| nkeynes@144 | 138 | struct keymap_entry *key = input_get_key(keycode);
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| nkeynes@144 | 139 | if( key != NULL ) {
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| nkeynes@144 | 140 | key->callback( key->data, key->value, FALSE );
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| nkeynes@144 | 141 | }
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| nkeynes@144 | 142 | }
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| nkeynes@144 | 143 |
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| nkeynes@144 | 144 |
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| nkeynes@144 | 145 |
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| nkeynes@370 | 146 | gboolean display_set_driver( display_driver_t driver )
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| nkeynes@144 | 147 | {
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| nkeynes@370 | 148 | gboolean rv = TRUE;
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| nkeynes@370 | 149 | if( display_driver != NULL && display_driver->shutdown_driver != NULL )
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| nkeynes@144 | 150 | display_driver->shutdown_driver();
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| nkeynes@144 | 151 |
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| nkeynes@144 | 152 | display_driver = driver;
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| nkeynes@144 | 153 | if( driver->init_driver != NULL )
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| nkeynes@370 | 154 | rv = driver->init_driver();
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| nkeynes@370 | 155 | if( rv ) {
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| nkeynes@370 | 156 | texcache_gl_init();
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| nkeynes@370 | 157 | }
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| nkeynes@370 | 158 | return rv;
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| nkeynes@144 | 159 | }
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lxdream 0.9.1