4 * Generic support for keyboard and other input sources. The active display
5 * driver is expected to deliver events here, where they're translated and
6 * passed to the appropriate dreamcast controllers (if any).
8 * Copyright (c) 2005 Nathan Keynes.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
25 #include "pvr2/pvr2.h"
27 display_driver_t display_driver_list[] = {
34 typedef struct keymap_entry {
36 input_key_callback_t callback;
42 * Colour format information
44 struct colour_format colour_formats[] = {
45 { GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_BGRA, GL_RGB5_A1, 2 },
46 { GL_UNSIGNED_SHORT_5_6_5, GL_RGB, GL_RGB5, 2 },
47 { GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_BGRA, GL_RGBA4, 2 },
48 { GL_UNSIGNED_BYTE, GL_BGRA, GL_RGBA8, 4 }, /* YUV decoded to ARGB8888 */
49 { GL_UNSIGNED_BYTE, GL_BGR, GL_RGB, 3 },
50 { GL_UNSIGNED_BYTE, GL_BGRA, GL_RGBA8, 4 },
51 { GL_UNSIGNED_BYTE, GL_BGRA, GL_RGBA8, 4 }, /* Index4 decoded */
52 { GL_UNSIGNED_BYTE, GL_BGRA, GL_RGBA8, 4 }, /* Index8 decoded */
53 { GL_UNSIGNED_BYTE, GL_BGRA, GL_RGBA8, 4 },
54 { GL_UNSIGNED_BYTE, GL_RGB, GL_RGB, 3 },
59 * FIXME: make this more memory efficient
61 struct keymap_entry *keymap[65536];
64 static struct keymap_entry *input_create_key( uint16_t keycode )
66 struct keymap_entry *key = keymap[ keycode ];
68 key = malloc( sizeof( struct keymap_entry ) );
69 assert( key != NULL );
70 keymap[ keycode ] = key;
71 key->keycode = keycode;
76 static void input_delete_key( uint16_t keycode, input_key_callback_t callback, void *data,
79 struct keymap_entry *key = keymap[keycode];
80 if( key != NULL && key->callback == callback && key->data == data && key->value == value ) {
82 keymap[keycode] = NULL;
86 static struct keymap_entry *input_get_key( uint16_t keycode )
88 return keymap[ keycode ];
91 gboolean input_register_key( const gchar *keysym, input_key_callback_t callback,
92 void *data, uint32_t value )
94 if( display_driver == NULL || keysym == NULL || display_driver->resolve_keysym == NULL )
95 return FALSE; /* No display driver */
96 gchar **strv = g_strsplit(keysym, ",", 16);
99 uint16_t keycode = display_driver->resolve_keysym(g_strstrip(*s));
101 return FALSE; /* Invalid keysym */
103 struct keymap_entry *key = input_create_key( keycode );
104 key->callback = callback;
113 void input_unregister_key( const gchar *keysym, input_key_callback_t callback,
114 void *data, uint32_t value )
116 if( display_driver == NULL || keysym == NULL )
118 uint16_t keycode = display_driver->resolve_keysym(keysym);
121 input_delete_key( keycode, callback, data, value );
125 gboolean input_is_key_valid( const gchar *keysym )
127 if( display_driver == NULL )
128 return FALSE; /* No display driver */
129 return display_driver->resolve_keysym(keysym) != 0;
132 gboolean input_is_key_registered( const gchar *keysym )
134 if( display_driver == NULL )
136 uint16_t keycode = display_driver->resolve_keysym(keysym);
139 return input_get_key( keycode ) != NULL;
142 void input_event_keydown( uint16_t keycode )
144 struct keymap_entry *key = input_get_key(keycode);
146 key->callback( key->data, key->value, TRUE );
150 void input_event_keyup( uint16_t keycode )
152 struct keymap_entry *key = input_get_key(keycode);
154 key->callback( key->data, key->value, FALSE );
158 display_driver_t get_display_driver_by_name( const char *name )
162 return display_driver_list[0];
164 for( i=0; display_driver_list[i] != NULL; i++ ) {
165 if( strcasecmp( display_driver_list[i]->name, name ) == 0 ) {
166 return display_driver_list[i];
174 gboolean display_set_driver( display_driver_t driver )
177 if( display_driver != NULL && display_driver->shutdown_driver != NULL )
178 display_driver->shutdown_driver();
180 display_driver = driver;
181 if( driver->init_driver != NULL )
182 rv = driver->init_driver();
184 display_driver = NULL;
.