filename | src/display.c |
changeset | 531:f0fee3ba71d1 |
prev | 477:9a373f2ff009 |
next | 541:6986c644d58a |
author | nkeynes |
date | Tue Nov 20 10:27:58 2007 +0000 (16 years ago) |
permissions | -rw-r--r-- |
last change | Move gtk UI into gtkui subdir (prep for non-gtk builds), and protect with an automake conditional |
view | annotate | diff | log | raw |
1 /**
2 * $Id: display.c,v 1.12 2007-10-31 09:10:23 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 display_driver_t display_driver_list[] = {
28 &display_gtk_driver,
29 &display_null_driver,
30 NULL };
32 typedef struct keymap_entry {
33 uint16_t keycode;
34 input_key_callback_t callback;
35 void *data;
36 uint32_t value;
37 } *keymap_entry_t;
39 /**
40 * Colour format information
41 */
42 struct colour_format colour_formats[] = {
43 { GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_BGRA, GL_RGB5_A1, 2 },
44 { GL_UNSIGNED_SHORT_5_6_5, GL_RGB, GL_RGB5, 2 },
45 { GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_BGRA, GL_RGBA4, 2 },
46 { GL_UNSIGNED_BYTE, GL_BGRA, GL_RGBA8, 4 }, /* YUV decoded to ARGB8888 */
47 { GL_UNSIGNED_BYTE, GL_BGR, GL_RGB, 3 },
48 { GL_UNSIGNED_BYTE, GL_BGRA, GL_RGBA8, 4 },
49 { GL_UNSIGNED_BYTE, GL_BGRA, GL_RGBA8, 4 }, /* Index4 decoded */
50 { GL_UNSIGNED_BYTE, GL_BGRA, GL_RGBA8, 4 }, /* Index8 decoded */
51 { GL_UNSIGNED_BYTE, GL_BGRA, GL_RGBA8, 4 },
52 { GL_UNSIGNED_BYTE, GL_RGB, GL_RGB, 3 },
54 };
56 /**
57 * FIXME: make this more memory efficient
58 */
59 struct keymap_entry *keymap[65536];
62 static struct keymap_entry *input_create_key( uint16_t keycode )
63 {
64 struct keymap_entry *key = keymap[ keycode ];
65 if( key == NULL ) {
66 key = malloc( sizeof( struct keymap_entry ) );
67 assert( key != NULL );
68 keymap[ keycode ] = key;
69 key->keycode = keycode;
70 }
71 return key;
72 }
74 static void input_delete_key( uint16_t keycode, input_key_callback_t callback, void *data,
75 uint32_t value )
76 {
77 struct keymap_entry *key = keymap[keycode];
78 if( key != NULL && key->callback == callback && key->data == data && key->value == value ) {
79 free( key );
80 keymap[keycode] = NULL;
81 }
82 }
84 static struct keymap_entry *input_get_key( uint16_t keycode )
85 {
86 return keymap[ keycode ];
87 }
89 gboolean input_register_key( const gchar *keysym, input_key_callback_t callback,
90 void *data, uint32_t value )
91 {
92 if( display_driver == NULL || keysym == NULL || display_driver->resolve_keysym == NULL )
93 return FALSE; /* No display driver */
94 gchar **strv = g_strsplit(keysym, ",", 16);
95 gchar **s = strv;
96 while( *s != NULL ) {
97 uint16_t keycode = display_driver->resolve_keysym(g_strstrip(*s));
98 if( keycode == 0 )
99 return FALSE; /* Invalid keysym */
101 struct keymap_entry *key = input_create_key( keycode );
102 key->callback = callback;
103 key->data = data;
104 key->value = value;
105 s++;
106 }
107 g_strfreev(strv);
108 return TRUE;
109 }
111 void input_unregister_key( const gchar *keysym, input_key_callback_t callback,
112 void *data, uint32_t value )
113 {
114 if( display_driver == NULL || keysym == NULL )
115 return;
116 uint16_t keycode = display_driver->resolve_keysym(keysym);
117 if( keycode == 0 )
118 return;
119 input_delete_key( keycode, callback, data, value );
120 }
123 gboolean input_is_key_valid( const gchar *keysym )
124 {
125 if( display_driver == NULL )
126 return FALSE; /* No display driver */
127 return display_driver->resolve_keysym(keysym) != 0;
128 }
130 gboolean input_is_key_registered( const gchar *keysym )
131 {
132 if( display_driver == NULL )
133 return FALSE;
134 uint16_t keycode = display_driver->resolve_keysym(keysym);
135 if( keycode == 0 )
136 return FALSE;
137 return input_get_key( keycode ) != NULL;
138 }
140 void input_event_keydown( uint16_t keycode )
141 {
142 struct keymap_entry *key = input_get_key(keycode);
143 if( key != NULL ) {
144 key->callback( key->data, key->value, TRUE );
145 }
146 }
148 void input_event_keyup( uint16_t keycode )
149 {
150 struct keymap_entry *key = input_get_key(keycode);
151 if( key != NULL ) {
152 key->callback( key->data, key->value, FALSE );
153 }
154 }
156 display_driver_t get_display_driver_by_name( const char *name )
157 {
158 int i;
159 if( name == NULL ) {
160 return display_driver_list[0];
161 }
162 for( i=0; display_driver_list[i] != NULL; i++ ) {
163 if( strcasecmp( display_driver_list[i]->name, name ) == 0 ) {
164 return display_driver_list[i];
165 }
166 }
168 return NULL;
169 }
172 gboolean display_set_driver( display_driver_t driver )
173 {
174 gboolean rv = TRUE;
175 if( display_driver != NULL && display_driver->shutdown_driver != NULL )
176 display_driver->shutdown_driver();
178 display_driver = driver;
179 if( driver->init_driver != NULL )
180 rv = driver->init_driver();
181 if( !rv ) {
182 display_driver = NULL;
183 }
184 return rv;
185 }
.