2 * $Id: display.c,v 1.5 2007-01-25 13:03:23 nkeynes Exp $
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.
26 typedef struct keymap_entry {
28 input_key_callback_t callback;
34 * Colour format information
36 struct colour_format colour_formats[] = {
37 { GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_BGRA, GL_RGB5_A1, 2 },
38 { GL_UNSIGNED_SHORT_5_6_5, GL_RGB, GL_RGB5, 2 },
39 { GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_BGRA, GL_RGBA4, 2 },
40 { GL_UNSIGNED_INT_8_8_8_8_REV, GL_BGRA, GL_RGBA8, 4 }, /* YUV decoded to ARGB8888 */
41 { GL_UNSIGNED_BYTE, GL_BGR, GL_RGB, 3 },
42 { GL_UNSIGNED_INT_8_8_8_8_REV, GL_BGRA, GL_RGBA8, 4 }
46 * FIXME: make this more memory efficient
48 struct keymap_entry *keymap[65536];
51 static struct keymap_entry *input_create_key( uint16_t keycode )
53 struct keymap_entry *key = keymap[ keycode ];
55 key = malloc( sizeof( struct keymap_entry ) );
56 assert( key != NULL );
57 keymap[ keycode ] = key;
58 key->keycode = keycode;
63 static void input_delete_key( uint16_t keycode )
65 struct keymap_entry *key = keymap[keycode];
68 keymap[keycode] = NULL;
72 static struct keymap_entry *input_get_key( uint16_t keycode )
74 return keymap[ keycode ];
77 gboolean input_register_key( const gchar *keysym, input_key_callback_t callback,
78 void *data, uint32_t value )
81 if( display_driver == NULL || keysym == NULL )
82 return FALSE; /* No display driver */
83 gchar **strv = g_strsplit(keysym, ",", 16);
86 uint16_t keycode = display_driver->resolve_keysym(g_strstrip(*s));
88 return FALSE; /* Invalid keysym */
90 struct keymap_entry *key = input_create_key( keycode );
91 key->callback = callback;
100 void input_unregister_key( const gchar *keysym )
102 if( display_driver == NULL || keysym == NULL )
104 uint16_t keycode = display_driver->resolve_keysym(keysym);
107 input_delete_key( keycode );
111 gboolean input_is_key_valid( const gchar *keysym )
113 if( display_driver == NULL )
114 return FALSE; /* No display driver */
115 return display_driver->resolve_keysym(keysym) != 0;
118 gboolean input_is_key_registered( const gchar *keysym )
120 if( display_driver == NULL )
122 uint16_t keycode = display_driver->resolve_keysym(keysym);
125 return input_get_key( keycode ) != NULL;
128 void input_event_keydown( uint16_t keycode )
130 struct keymap_entry *key = input_get_key(keycode);
132 key->callback( key->data, key->value, TRUE );
136 void input_event_keyup( uint16_t keycode )
138 struct keymap_entry *key = input_get_key(keycode);
140 key->callback( key->data, key->value, FALSE );
146 void display_set_driver( display_driver_t driver )
148 if( display_driver != NULL && display_driver->shutdown_driver != NULL )
149 display_driver->shutdown_driver();
151 display_driver = driver;
152 if( driver->init_driver != NULL )
153 driver->init_driver();
154 driver->set_display_format( 640, 480, COLFMT_ARGB8888 );
155 driver->set_render_format( 640, 480, COLFMT_ARGB8888, FALSE );
.