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"
26 #include "pvr2/glutil.h"
28 display_driver_t display_driver_list[] = {
43 * The system has at least one "root" device representing the main display
44 * (which may be the null display). This device is part of the display_driver
45 * and generates events with no input_driver. The root device has no id
46 * as such (for the purposes of event names)
48 * The system may also have one or more auxilliary devices which each have
49 * an input_driver and an id (eg "JS0"). So the keysym "Return" is (de)coded by
50 * the root device, and the keysym "JS0: Button0" is (de)coded by the JS0 input
51 * device as "Button0".
53 * For the moment, mice are handled specially, as they behave a little
54 * differently from other devices (although this will probably change in the
59 typedef struct keymap_entry {
60 input_key_callback_t callback;
63 lxdream_config_group_t group;
64 struct keymap_entry *next; // allow chaining
67 typedef struct mouse_entry {
69 input_mouse_callback_t callback;
71 const lxdream_config_group_t group;
72 struct mouse_entry *next;
75 typedef struct input_driver_entry {
76 input_driver_t driver;
78 struct keymap_entry *keymap[0];
79 } *input_driver_entry_t;
83 #define GL_RGBA8 GL_RGBA8_OES
87 #define GL_RGB5 GL_RGB565
91 #define GL_BGR GL_BGRA
95 * Colour format information
97 struct colour_format colour_formats[] = {
98 { GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_BGRA, GL_RGB5_A1, 2 },
99 { GL_UNSIGNED_SHORT_5_6_5, GL_RGB, GL_RGB5, 2 },
100 { GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_BGRA, GL_RGBA4, 2 },
101 { GL_UNSIGNED_BYTE, GL_BGRA, GL_RGBA8, 4 }, /* YUV decoded to ARGB8888 */
102 { GL_UNSIGNED_BYTE, GL_BGR, GL_RGB, 3 },
103 { GL_UNSIGNED_BYTE, GL_BGRA, GL_RGBA8, 4 },
104 { GL_UNSIGNED_BYTE, GL_BGRA, GL_RGBA8, 4 }, /* Index4 decoded */
105 { GL_UNSIGNED_BYTE, GL_BGRA, GL_RGBA8, 4 }, /* Index8 decoded */
106 { GL_UNSIGNED_BYTE, GL_BGRA, GL_RGBA8, 4 },
107 { GL_UNSIGNED_BYTE, GL_RGB, GL_RGB, 3 },
112 * FIXME: make this more memory efficient
114 static struct keymap_entry *root_keymap[65535];
115 static struct keymap_entry *keyhooks = NULL;
116 static gboolean display_focused = TRUE;
117 static GList *input_drivers= NULL;
118 static display_keysym_callback_t display_keysym_hook = NULL;
119 void *display_keysym_hook_data;
121 gboolean input_register_device( input_driver_t driver, uint16_t max_keycode )
124 for( ptr = input_drivers; ptr != NULL; ptr = g_list_next(ptr) ) {
125 input_driver_entry_t entry = (input_driver_entry_t)ptr->data;
126 if( strcasecmp( entry->driver->id, driver->id ) == 0 ) {
131 input_driver_entry_t entry = g_malloc0( sizeof(struct input_driver_entry) + (sizeof(keymap_entry_t) * max_keycode) );
132 entry->driver = driver;
133 entry->entry_count = max_keycode;
134 input_drivers = g_list_append( input_drivers, entry );
138 gboolean input_has_device( const gchar *id )
141 for( ptr = input_drivers; ptr != NULL; ptr = g_list_next(ptr) ) {
142 input_driver_entry_t entry = (input_driver_entry_t)ptr->data;
143 if( strcasecmp(entry->driver->id, id) == 0 ) {
151 void input_unregister_device( input_driver_t driver )
154 for( ptr = input_drivers; ptr != NULL; ptr = g_list_next(ptr) ) {
155 input_driver_entry_t entry = (input_driver_entry_t)ptr->data;
156 if( entry->driver == driver ) {
157 if( driver->destroy != NULL ) {
158 driver->destroy(driver);
160 input_drivers = g_list_remove(input_drivers, (gpointer)entry);
168 * Resolve the keysym and return a pointer to the keymap entry pointer
169 * @return keymap pointer or NULL if the key was unresolved
171 static struct keymap_entry **input_entry_from_keysym( const gchar *keysym )
173 if( keysym == NULL || keysym[0] == 0 ) {
176 char **strv = g_strsplit(keysym,":",2);
177 if( strv[1] == NULL ) {
179 if( display_driver == NULL || display_driver->resolve_keysym == NULL) {
180 // Root device has no input handling
184 uint16_t keycode = display_driver->resolve_keysym(g_strstrip(strv[0]));
189 return &root_keymap[keycode-1];
192 char *id = g_strstrip(strv[0]);
194 for( ptr = input_drivers; ptr != NULL; ptr = g_list_next(ptr) ) {
195 input_driver_entry_t entry = (input_driver_entry_t)ptr->data;
196 if( strcasecmp( entry->driver->id, id ) == 0 ) {
197 /* we have ze device */
198 if( entry->driver->resolve_keysym == NULL ) {
202 uint16_t keycode = entry->driver->resolve_keysym(entry->driver, g_strstrip(strv[1]));
204 if( keycode == 0 || keycode > entry->entry_count ) {
207 return &entry->keymap[keycode-1];
211 return NULL; // device not found
215 static struct keymap_entry **input_entry_from_keycode( input_driver_t driver, uint16_t keycode )
223 if( driver == NULL ) {
224 return &root_keymap[keycode-1];
227 for( ptr = input_drivers; ptr != NULL; ptr = g_list_next(ptr) ) {
228 input_driver_entry_t entry = (input_driver_entry_t)ptr->data;
229 if( entry->driver == driver ) {
230 if( keycode > entry->entry_count ) {
233 return &entry->keymap[keycode-1];
240 gchar *input_keycode_to_keysym( input_driver_t driver, uint16_t keycode )
245 if( driver == NULL ) {
246 if( display_driver != NULL && display_driver->get_keysym_for_keycode != NULL ) {
247 return display_driver->get_keysym_for_keycode(keycode);
249 } else if( driver->get_keysym_for_keycode ) {
250 gchar *sym = driver->get_keysym_for_keycode(driver,keycode);
252 gchar *result = g_strdup_printf( "%s: %s", driver->id, sym );
261 gboolean input_register_key( const gchar *keysym, input_key_callback_t callback,
262 void *data, uint32_t value )
264 if( keysym == NULL ) {
268 gchar **strv = g_strsplit(keysym, ",", 16);
270 while( *s != NULL ) {
271 keymap_entry_t *entryp = input_entry_from_keysym(*s);
272 if( entryp != NULL ) {
273 keymap_entry_t newentry = g_malloc0(sizeof(struct keymap_entry));
274 newentry->next = *entryp;
275 newentry->callback = callback;
276 newentry->data = data;
277 newentry->value = value;
287 void input_unregister_key( const gchar *keysym, input_key_callback_t callback,
288 void *data, uint32_t value )
290 if( keysym == NULL ) {
294 gchar **strv = g_strsplit(keysym, ",", 16);
296 while( *s != NULL ) {
297 keymap_entry_t *entryp = input_entry_from_keysym(*s);
298 if( entryp != NULL ) {
299 while( *entryp != NULL ) {
300 if( (*entryp)->callback == callback &&
301 (*entryp)->data == data && (*entryp)->value == value ) {
302 keymap_entry_t next = (*entryp)->next;
307 entryp = &(*entryp)->next; // Yes, really
315 int input_register_keygroup( lxdream_config_group_t group)
319 for( i=0; group->params[i].key != NULL; i++ ) {
320 if( group->params[i].type == CONFIG_TYPE_KEY ) {
321 if( input_register_key( group->params[i].value, group->key_binding, group->data, group->params[i].tag ) ) {
329 void input_unregister_keygroup( lxdream_config_group_t group )
332 for( i=0; group->params[i].key != NULL; i++ ) {
333 if( group->params[i].type == CONFIG_TYPE_KEY ) {
334 input_unregister_key( group->params[i].value, group->key_binding, group->data, group->params[i].tag );
339 gboolean input_keygroup_changed( void *data, lxdream_config_group_t group, unsigned key,
340 const gchar *oldval, const gchar *newval )
342 input_unregister_key( oldval, group->key_binding, group->data, group->params[key].tag );
343 input_register_key( newval, group->key_binding, group->data, group->params[key].tag );
347 gboolean input_register_keyboard_hook( input_key_callback_t callback,
350 keymap_entry_t key = malloc( sizeof( struct keymap_entry ) );
351 assert( key != NULL );
352 key->callback = callback;
354 key->next = keyhooks;
359 void input_unregister_keyboard_hook( input_key_callback_t callback,
362 keymap_entry_t key = keyhooks;
364 if( key->callback == callback && key->data == data ) {
365 keyhooks = keyhooks->next;
369 while( key->next != NULL ) {
370 if( key->next->callback == callback && key->next->data == data ) {
371 keymap_entry_t next = key->next;
372 key->next = next->next;
381 gboolean input_is_key_valid( const gchar *keysym )
383 keymap_entry_t *ptr = input_entry_from_keysym(keysym);
387 gboolean input_is_key_registered( const gchar *keysym )
389 keymap_entry_t *ptr = input_entry_from_keysym(keysym);
390 return ptr != NULL && *ptr != NULL;
393 void input_event_keydown( input_driver_t driver, uint16_t keycode, uint32_t pressure )
395 if( display_focused ) {
396 keymap_entry_t *entryp = input_entry_from_keycode(driver,keycode);
397 if( entryp != NULL ) {
398 keymap_entry_t key = *entryp;
399 while( key != NULL ) {
400 key->callback( key->data, key->value, pressure, TRUE );
404 if( driver == NULL ) {
405 keymap_entry_t key = keyhooks;
406 while( key != NULL ) {
407 key->callback( key->data, keycode, pressure, TRUE );
412 if( display_keysym_hook != NULL ) {
413 gchar *sym = input_keycode_to_keysym( driver, keycode );
415 display_keysym_hook(display_keysym_hook_data, sym);
421 void input_event_keyup( input_driver_t driver, uint16_t keycode )
423 if( display_focused ) {
424 keymap_entry_t *entryp = input_entry_from_keycode(driver,keycode);
425 if( entryp != NULL ) {
426 keymap_entry_t key = *entryp;
427 while( key != NULL ) {
428 key->callback( key->data, key->value, 0, FALSE );
433 if( driver == NULL ) {
434 keymap_entry_t key = keyhooks;
435 while( key != NULL ) {
436 key->callback( key->data, keycode, 0, FALSE );
443 uint16_t input_keycode_to_dckeysym( uint16_t keycode )
445 return display_driver->convert_to_dckeysym(keycode);
448 void input_set_keysym_hook( display_keysym_callback_t hook, void *data )
450 display_keysym_hook = hook;
451 display_keysym_hook_data = data;
454 /***************** System mouse driver ****************/
456 static struct keymap_entry *mouse_keymap[MAX_MOUSE_BUTTONS];
457 static struct mouse_entry *mousehooks = NULL;
458 static uint32_t mouse_x = -1, mouse_y = -1, mouse_buttons = 0;
460 uint16_t mouse_resolve_keysym( struct input_driver *driver, const gchar *keysym )
462 if( strncasecmp( keysym, "Button", 6 ) == 0 ){
463 unsigned long button = strtoul( keysym+6, NULL, 10 );
464 if( button > MAX_MOUSE_BUTTONS ) {
467 return (uint16_t)button;
472 gchar *mouse_get_keysym( struct input_driver *driver, uint16_t keycode )
474 return g_strdup_printf( "Button%d", (keycode) );
477 struct input_driver system_mouse_driver = { "Mouse", mouse_resolve_keysym, NULL, mouse_get_keysym, NULL };
480 gboolean input_register_mouse_hook( gboolean relative, input_mouse_callback_t callback,
483 mouse_entry_t ent = malloc( sizeof( struct mouse_entry ) );
484 assert( ent != NULL );
485 ent->callback = callback;
487 ent->next = mousehooks;
492 void input_unregister_mouse_hook( input_mouse_callback_t callback, void *data )
494 mouse_entry_t ent = mousehooks;
496 if( ent->callback == callback && ent->data == data ) {
497 mousehooks = mousehooks->next;
501 while( ent->next != NULL ) {
502 if( ent->next->callback == callback && ent->next->data == data ) {
503 mouse_entry_t next = ent->next;
504 ent->next = next->next;
513 void input_event_run_mouse_hooks( uint32_t buttons, int32_t x, int32_t y, gboolean absolute )
515 mouse_entry_t ent = mousehooks;
516 while( ent != NULL ) {
517 ent->callback(ent->data, buttons, x, y, absolute);
522 void input_event_mousedown( uint16_t button, int32_t x, int32_t y, gboolean absolute )
528 mouse_buttons |= (1<<button);
529 input_event_keydown( &system_mouse_driver, button+1, MAX_PRESSURE );
530 input_event_run_mouse_hooks( mouse_buttons, x, y, absolute );
533 void input_event_mouseup( uint16_t button, int32_t x, int32_t y, gboolean absolute )
539 mouse_buttons &= ~(1<<button);
540 input_event_keyup( &system_mouse_driver, button+1 );
541 input_event_run_mouse_hooks( mouse_buttons, x, y, absolute );
544 void input_event_mousemove( int32_t x, int32_t y, gboolean absolute )
550 input_event_run_mouse_hooks( mouse_buttons, x, y, absolute );
553 /************************ Main display driver *************************/
555 void print_display_drivers( FILE *out )
558 fprintf( out, "Available video drivers:\n" );
559 for( i=0; display_driver_list[i] != NULL; i++ ) {
560 fprintf( out, " %-8s %s\n", display_driver_list[i]->name,
561 gettext(display_driver_list[i]->description) );
565 display_driver_t get_display_driver_by_name( const char *name )
569 return display_driver_list[0];
571 for( i=0; display_driver_list[i] != NULL; i++ ) {
572 if( strcasecmp( display_driver_list[i]->name, name ) == 0 ) {
573 return display_driver_list[i];
581 gboolean display_set_driver( display_driver_t driver )
584 if( display_driver != NULL && display_driver->shutdown_driver != NULL )
585 display_driver->shutdown_driver();
587 display_driver = driver;
588 if( driver->init_driver != NULL )
589 rv = driver->init_driver();
591 input_register_device(&system_mouse_driver, MAX_MOUSE_BUTTONS);
593 display_driver = NULL;
598 void display_set_focused( gboolean has_focus )
600 display_focused = has_focus;
.