lxdream 0.9.1| filename | src/display.c |
| changeset | 451:50622730f226 |
| prev | 431:248dd77a9e44 |
| next | 477:9a373f2ff009 |
| author | nkeynes |
| date | Tue Oct 23 10:40:46 2007 +0000 (16 years ago) |
| permissions | -rw-r--r-- |
| last change | Remove (I think) last remaining glade/glade-derived files, as they're no longer used. |
| view | annotate | diff | log | raw |
1 /**
2 * $Id: display.c,v 1.11 2007-10-21 05:15:56 nkeynes Exp $
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 typedef struct keymap_entry {
28 uint16_t keycode;
29 input_key_callback_t callback;
30 void *data;
31 uint32_t value;
32 } *keymap_entry_t;
34 /**
35 * Colour format information
36 */
37 struct colour_format colour_formats[] = {
38 { GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_BGRA, GL_RGB5_A1, 2 },
39 { GL_UNSIGNED_SHORT_5_6_5, GL_RGB, GL_RGB5, 2 },
40 { GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_BGRA, GL_RGBA4, 2 },
41 { GL_UNSIGNED_BYTE, GL_BGRA, GL_RGBA8, 4 }, /* YUV decoded to ARGB8888 */
42 { GL_UNSIGNED_BYTE, GL_BGR, GL_RGB, 3 },
43 { GL_UNSIGNED_BYTE, GL_BGRA, GL_RGBA8, 4 },
45 };
47 /**
48 * FIXME: make this more memory efficient
49 */
50 struct keymap_entry *keymap[65536];
53 static struct keymap_entry *input_create_key( uint16_t keycode )
54 {
55 struct keymap_entry *key = keymap[ keycode ];
56 if( key == NULL ) {
57 key = malloc( sizeof( struct keymap_entry ) );
58 assert( key != NULL );
59 keymap[ keycode ] = key;
60 key->keycode = keycode;
61 }
62 return key;
63 }
65 static void input_delete_key( uint16_t keycode, input_key_callback_t callback, void *data,
66 uint32_t value )
67 {
68 struct keymap_entry *key = keymap[keycode];
69 if( key != NULL && key->callback == callback && key->data == data && key->value == value ) {
70 free( key );
71 keymap[keycode] = NULL;
72 }
73 }
75 static struct keymap_entry *input_get_key( uint16_t keycode )
76 {
77 return keymap[ keycode ];
78 }
80 gboolean input_register_key( const gchar *keysym, input_key_callback_t callback,
81 void *data, uint32_t value )
82 {
83 if( display_driver == NULL || keysym == NULL || display_driver->resolve_keysym == NULL )
84 return FALSE; /* No display driver */
85 gchar **strv = g_strsplit(keysym, ",", 16);
86 gchar **s = strv;
87 while( *s != NULL ) {
88 uint16_t keycode = display_driver->resolve_keysym(g_strstrip(*s));
89 if( keycode == 0 )
90 return FALSE; /* Invalid keysym */
92 struct keymap_entry *key = input_create_key( keycode );
93 key->callback = callback;
94 key->data = data;
95 key->value = value;
96 s++;
97 }
98 g_strfreev(strv);
99 return TRUE;
100 }
102 void input_unregister_key( const gchar *keysym, input_key_callback_t callback,
103 void *data, uint32_t value )
104 {
105 if( display_driver == NULL || keysym == NULL )
106 return;
107 uint16_t keycode = display_driver->resolve_keysym(keysym);
108 if( keycode == 0 )
109 return;
110 input_delete_key( keycode, callback, data, value );
111 }
114 gboolean input_is_key_valid( const gchar *keysym )
115 {
116 if( display_driver == NULL )
117 return FALSE; /* No display driver */
118 return display_driver->resolve_keysym(keysym) != 0;
119 }
121 gboolean input_is_key_registered( const gchar *keysym )
122 {
123 if( display_driver == NULL )
124 return FALSE;
125 uint16_t keycode = display_driver->resolve_keysym(keysym);
126 if( keycode == 0 )
127 return FALSE;
128 return input_get_key( keycode ) != NULL;
129 }
131 void input_event_keydown( uint16_t keycode )
132 {
133 struct keymap_entry *key = input_get_key(keycode);
134 if( key != NULL ) {
135 key->callback( key->data, key->value, TRUE );
136 }
137 }
139 void input_event_keyup( uint16_t keycode )
140 {
141 struct keymap_entry *key = input_get_key(keycode);
142 if( key != NULL ) {
143 key->callback( key->data, key->value, FALSE );
144 }
145 }
149 gboolean display_set_driver( display_driver_t driver )
150 {
151 gboolean rv = TRUE;
152 if( display_driver != NULL && display_driver->shutdown_driver != NULL )
153 display_driver->shutdown_driver();
155 display_driver = driver;
156 if( driver->init_driver != NULL )
157 rv = driver->init_driver();
158 if( rv ) {
159 texcache_gl_init();
160 }
161 return rv;
162 }
.