lxdream 0.9.1| filename | src/display.c |
| changeset | 561:533f6b478071 |
| prev | 541:6986c644d58a |
| next | 608:4f588e52bce0 |
| author | nkeynes |
| date | Mon Jan 21 11:59:46 2008 +0000 (16 years ago) |
| permissions | -rw-r--r-- |
| last change | Fix MAC.L/MAC.W stack issues Fix various recovery-table issues |
| view | annotate | diff | log | raw |
1 /**
2 * $Id$
3 *
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).
7 *
8 * Copyright (c) 2005 Nathan Keynes.
9 *
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.
14 *
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.
19 */
21 #include <stdint.h>
22 #include <assert.h>
23 #include "dream.h"
24 #include "display.h"
25 #include "pvr2/pvr2.h"
27 display_driver_t display_driver_list[] = {
28 #ifdef HAVE_GTK
29 &display_gtk_driver,
30 #endif
31 &display_null_driver,
32 NULL };
34 typedef struct keymap_entry {
35 uint16_t keycode;
36 input_key_callback_t callback;
37 void *data;
38 uint32_t value;
39 } *keymap_entry_t;
41 /**
42 * Colour format information
43 */
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 },
56 };
58 /**
59 * FIXME: make this more memory efficient
60 */
61 struct keymap_entry *keymap[65536];
64 static struct keymap_entry *input_create_key( uint16_t keycode )
65 {
66 struct keymap_entry *key = keymap[ keycode ];
67 if( key == NULL ) {
68 key = malloc( sizeof( struct keymap_entry ) );
69 assert( key != NULL );
70 keymap[ keycode ] = key;
71 key->keycode = keycode;
72 }
73 return key;
74 }
76 static void input_delete_key( uint16_t keycode, input_key_callback_t callback, void *data,
77 uint32_t value )
78 {
79 struct keymap_entry *key = keymap[keycode];
80 if( key != NULL && key->callback == callback && key->data == data && key->value == value ) {
81 free( key );
82 keymap[keycode] = NULL;
83 }
84 }
86 static struct keymap_entry *input_get_key( uint16_t keycode )
87 {
88 return keymap[ keycode ];
89 }
91 gboolean input_register_key( const gchar *keysym, input_key_callback_t callback,
92 void *data, uint32_t value )
93 {
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);
97 gchar **s = strv;
98 while( *s != NULL ) {
99 uint16_t keycode = display_driver->resolve_keysym(g_strstrip(*s));
100 if( keycode == 0 )
101 return FALSE; /* Invalid keysym */
103 struct keymap_entry *key = input_create_key( keycode );
104 key->callback = callback;
105 key->data = data;
106 key->value = value;
107 s++;
108 }
109 g_strfreev(strv);
110 return TRUE;
111 }
113 void input_unregister_key( const gchar *keysym, input_key_callback_t callback,
114 void *data, uint32_t value )
115 {
116 if( display_driver == NULL || keysym == NULL )
117 return;
118 uint16_t keycode = display_driver->resolve_keysym(keysym);
119 if( keycode == 0 )
120 return;
121 input_delete_key( keycode, callback, data, value );
122 }
125 gboolean input_is_key_valid( const gchar *keysym )
126 {
127 if( display_driver == NULL )
128 return FALSE; /* No display driver */
129 return display_driver->resolve_keysym(keysym) != 0;
130 }
132 gboolean input_is_key_registered( const gchar *keysym )
133 {
134 if( display_driver == NULL )
135 return FALSE;
136 uint16_t keycode = display_driver->resolve_keysym(keysym);
137 if( keycode == 0 )
138 return FALSE;
139 return input_get_key( keycode ) != NULL;
140 }
142 void input_event_keydown( uint16_t keycode )
143 {
144 struct keymap_entry *key = input_get_key(keycode);
145 if( key != NULL ) {
146 key->callback( key->data, key->value, TRUE );
147 }
148 }
150 void input_event_keyup( uint16_t keycode )
151 {
152 struct keymap_entry *key = input_get_key(keycode);
153 if( key != NULL ) {
154 key->callback( key->data, key->value, FALSE );
155 }
156 }
158 display_driver_t get_display_driver_by_name( const char *name )
159 {
160 int i;
161 if( name == NULL ) {
162 return display_driver_list[0];
163 }
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];
167 }
168 }
170 return NULL;
171 }
174 gboolean display_set_driver( display_driver_t driver )
175 {
176 gboolean rv = TRUE;
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();
183 if( !rv ) {
184 display_driver = NULL;
185 }
186 return rv;
187 }
.