diff options
Diffstat (limited to 'frontend/common/in_sdl.c')
| -rw-r--r-- | frontend/common/in_sdl.c | 467 |
1 files changed, 0 insertions, 467 deletions
diff --git a/frontend/common/in_sdl.c b/frontend/common/in_sdl.c deleted file mode 100644 index ce57536..0000000 --- a/frontend/common/in_sdl.c +++ /dev/null @@ -1,467 +0,0 @@ -/* - * (C) GraÅžvydas "notaz" Ignotas, 2012 - * - * This work is licensed under the terms of any of these licenses - * (at your option): - * - GNU GPL, version 2 or later. - * - GNU LGPL, version 2.1 or later. - * See the COPYING file in the top-level directory. - */ - -#include <stdio.h> -#include <SDL.h> -#include "input.h" -#include "in_sdl.h" - -#define IN_SDL_PREFIX "sdl:" -/* should be machine word for best performace */ -typedef unsigned long keybits_t; -#define KEYBITS_WORD_BITS (sizeof(keybits_t) * 8) - -struct in_sdl_state { - SDL_Joystick *joy; - int joy_id; - int axis_keydown[2]; - keybits_t keystate[SDLK_LAST / KEYBITS_WORD_BITS + 1]; -}; - -static const char * const in_sdl_keys[SDLK_LAST] = { - [SDLK_BACKSPACE] = "backspace", - [SDLK_TAB] = "tab", - [SDLK_CLEAR] = "clear", - [SDLK_RETURN] = "return", - [SDLK_PAUSE] = "pause", - [SDLK_ESCAPE] = "escape", - [SDLK_SPACE] = "space", - [SDLK_EXCLAIM] = "!", - [SDLK_QUOTEDBL] = "\"", - [SDLK_HASH] = "#", - [SDLK_DOLLAR] = "$", - [SDLK_AMPERSAND] = "&", - [SDLK_QUOTE] = "'", - [SDLK_LEFTPAREN] = "(", - [SDLK_RIGHTPAREN] = ")", - [SDLK_ASTERISK] = "*", - [SDLK_PLUS] = "+", - [SDLK_COMMA] = ",", - [SDLK_MINUS] = "-", - [SDLK_PERIOD] = ".", - [SDLK_SLASH] = "/", - [SDLK_0] = "0", - [SDLK_1] = "1", - [SDLK_2] = "2", - [SDLK_3] = "3", - [SDLK_4] = "4", - [SDLK_5] = "5", - [SDLK_6] = "6", - [SDLK_7] = "7", - [SDLK_8] = "8", - [SDLK_9] = "9", - [SDLK_COLON] = ":", - [SDLK_SEMICOLON] = ",", - [SDLK_LESS] = "<", - [SDLK_EQUALS] = "=", - [SDLK_GREATER] = ">", - [SDLK_QUESTION] = "?", - [SDLK_AT] = "@", - [SDLK_LEFTBRACKET] = "[", - [SDLK_BACKSLASH] = "\\", - [SDLK_RIGHTBRACKET] = "]", - [SDLK_CARET] = "^", - [SDLK_UNDERSCORE] = "_", - [SDLK_BACKQUOTE] = "`", - [SDLK_a] = "a", - [SDLK_b] = "b", - [SDLK_c] = "c", - [SDLK_d] = "d", - [SDLK_e] = "e", - [SDLK_f] = "f", - [SDLK_g] = "g", - [SDLK_h] = "h", - [SDLK_i] = "i", - [SDLK_j] = "j", - [SDLK_k] = "k", - [SDLK_l] = "l", - [SDLK_m] = "m", - [SDLK_n] = "n", - [SDLK_o] = "o", - [SDLK_p] = "p", - [SDLK_q] = "q", - [SDLK_r] = "r", - [SDLK_s] = "s", - [SDLK_t] = "t", - [SDLK_u] = "u", - [SDLK_v] = "v", - [SDLK_w] = "w", - [SDLK_x] = "x", - [SDLK_y] = "y", - [SDLK_z] = "z", - [SDLK_DELETE] = "delete", - - [SDLK_KP0] = "[0]", - [SDLK_KP1] = "[1]", - [SDLK_KP2] = "[2]", - [SDLK_KP3] = "[3]", - [SDLK_KP4] = "[4]", - [SDLK_KP5] = "[5]", - [SDLK_KP6] = "[6]", - [SDLK_KP7] = "[7]", - [SDLK_KP8] = "[8]", - [SDLK_KP9] = "[9]", - [SDLK_KP_PERIOD] = "[.]", - [SDLK_KP_DIVIDE] = "[/]", - [SDLK_KP_MULTIPLY] = "[*]", - [SDLK_KP_MINUS] = "[-]", - [SDLK_KP_PLUS] = "[+]", - [SDLK_KP_ENTER] = "enter", - [SDLK_KP_EQUALS] = "equals", - - [SDLK_UP] = "up", - [SDLK_DOWN] = "down", - [SDLK_RIGHT] = "right", - [SDLK_LEFT] = "left", - [SDLK_DOWN] = "down", - [SDLK_INSERT] = "insert", - [SDLK_HOME] = "home", - [SDLK_END] = "end", - [SDLK_PAGEUP] = "page up", - [SDLK_PAGEDOWN] = "page down", - - [SDLK_F1] = "f1", - [SDLK_F2] = "f2", - [SDLK_F3] = "f3", - [SDLK_F4] = "f4", - [SDLK_F5] = "f5", - [SDLK_F6] = "f6", - [SDLK_F7] = "f7", - [SDLK_F8] = "f8", - [SDLK_F9] = "f9", - [SDLK_F10] = "f10", - [SDLK_F11] = "f11", - [SDLK_F12] = "f12", - [SDLK_F13] = "f13", - [SDLK_F14] = "f14", - [SDLK_F15] = "f15", - - [SDLK_NUMLOCK] = "numlock", - [SDLK_CAPSLOCK] = "caps lock", - [SDLK_SCROLLOCK] = "scroll lock", - [SDLK_RSHIFT] = "right shift", - [SDLK_LSHIFT] = "left shift", - [SDLK_RCTRL] = "right ctrl", - [SDLK_LCTRL] = "left ctrl", - [SDLK_RALT] = "right alt", - [SDLK_LALT] = "left alt", - [SDLK_RMETA] = "right meta", - [SDLK_LMETA] = "left meta", - [SDLK_LSUPER] = "left super", /* "Windows" keys */ - [SDLK_RSUPER] = "right super", - [SDLK_MODE] = "alt gr", - [SDLK_COMPOSE] = "compose", -}; - -static void in_sdl_probe(void) -{ - struct in_sdl_state *state; - SDL_Joystick *joy; - int i, joycount; - char name[256]; - - state = calloc(1, sizeof(*state)); - if (state == NULL) { - fprintf(stderr, "in_sdl: OOM\n"); - return; - } - - in_register(IN_SDL_PREFIX "keys", -1, state, SDLK_LAST, - in_sdl_keys, 0); - - /* joysticks go here too */ - SDL_InitSubSystem(SDL_INIT_JOYSTICK); - - joycount = SDL_NumJoysticks(); - for (i = 0; i < joycount; i++) { - joy = SDL_JoystickOpen(i); - if (joy == NULL) - continue; - - state = calloc(1, sizeof(*state)); - if (state == NULL) { - fprintf(stderr, "in_sdl: OOM\n"); - break; - } - state->joy = joy; - state->joy_id = i; - - snprintf(name, sizeof(name), IN_SDL_PREFIX "%s", SDL_JoystickName(i)); - in_register(name, -1, state, SDLK_LAST, in_sdl_keys, 0); - } - - if (joycount > 0) - SDL_JoystickEventState(SDL_ENABLE); -} - -static void in_sdl_free(void *drv_data) -{ - struct in_sdl_state *state = drv_data; - - if (state != NULL) { - if (state->joy != NULL) - SDL_JoystickClose(state->joy); - free(state); - } -} - -static const char * const * -in_sdl_get_key_names(int *count) -{ - *count = SDLK_LAST; - return in_sdl_keys; -} - -/* could use SDL_GetKeyState, but this gives better packing */ -static void update_keystate(keybits_t *keystate, int sym, int is_down) -{ - keybits_t *ks_word, mask; - - mask = 1; - mask <<= sym & (KEYBITS_WORD_BITS - 1); - ks_word = keystate + sym / KEYBITS_WORD_BITS; - if (is_down) - *ks_word |= mask; - else - *ks_word &= ~mask; -} - -static int handle_event(struct in_sdl_state *state, SDL_Event *event, - int *kc_out, int *down_out) -{ - if (event->type != SDL_KEYDOWN && event->type != SDL_KEYUP) - return 0; - - update_keystate(state->keystate, event->key.keysym.sym, - event->type == SDL_KEYDOWN); - if (kc_out != NULL) - *kc_out = event->key.keysym.sym; - if (down_out != NULL) - *down_out = event->type == SDL_KEYDOWN; - - return 1; -} - -static int handle_joy_event(struct in_sdl_state *state, SDL_Event *event, - int *kc_out, int *down_out) -{ - int kc = -1, down = 0, ret = 0; - - /* FIXME: should ckeck .which */ - /* TODO: remaining axis */ - switch (event->type) { - case SDL_JOYAXISMOTION: - if (event->jaxis.axis > 1) - break; - if (-16384 <= event->jaxis.value && event->jaxis.value <= 16384) { - kc = state->axis_keydown[event->jaxis.axis]; - state->axis_keydown[event->jaxis.axis] = 0; - ret = 1; - } - else if (event->jaxis.value < -16384) { - kc = state->axis_keydown[event->jaxis.axis]; - if (kc) - update_keystate(state->keystate, kc, 0); - kc = event->jaxis.axis ? SDLK_UP : SDLK_LEFT; - state->axis_keydown[event->jaxis.axis] = kc; - down = 1; - ret = 1; - } - else if (event->jaxis.value > 16384) { - kc = state->axis_keydown[event->jaxis.axis]; - if (kc) - update_keystate(state->keystate, kc, 0); - kc = event->jaxis.axis ? SDLK_DOWN : SDLK_RIGHT; - state->axis_keydown[event->jaxis.axis] = kc; - down = 1; - ret = 1; - } - break; - - case SDL_JOYBUTTONDOWN: - case SDL_JOYBUTTONUP: - kc = (int)event->jbutton.button + SDLK_WORLD_0; - down = event->jbutton.state == SDL_PRESSED; - ret = 1; - break; - } - - if (ret) - update_keystate(state->keystate, kc, down); - if (kc_out != NULL) - *kc_out = kc; - if (down_out != NULL) - *down_out = down; - - return ret; -} - -#define JOY_EVENTS (SDL_JOYAXISMOTIONMASK | SDL_JOYBALLMOTIONMASK | SDL_JOYHATMOTIONMASK \ - | SDL_JOYBUTTONDOWNMASK | SDL_JOYBUTTONUPMASK) - -static int collect_events(struct in_sdl_state *state, int *one_kc, int *one_down) -{ - SDL_Event events[4]; - Uint32 mask = state->joy ? JOY_EVENTS : (SDL_ALLEVENTS & ~JOY_EVENTS); - int count, maxcount; - int i, ret, retval = 0; - - maxcount = (one_kc != NULL) ? 1 : sizeof(events) / sizeof(events[0]); - - SDL_PumpEvents(); - while (1) { - count = SDL_PeepEvents(events, maxcount, SDL_GETEVENT, mask); - if (count <= 0) - break; - for (i = 0; i < count; i++) { - if (state->joy) - ret = handle_joy_event(state, - &events[i], one_kc, one_down); - else - ret = handle_event(state, - &events[i], one_kc, one_down); - retval |= ret; - if (one_kc != NULL && ret) - goto out; - } - } - -out: - return retval; -} - -static int in_sdl_update(void *drv_data, const int *binds, int *result) -{ - struct in_sdl_state *state = drv_data; - keybits_t mask; - int i, sym, bit, b; - - collect_events(state, NULL, NULL); - - for (i = 0; i < SDLK_LAST / KEYBITS_WORD_BITS + 1; i++) { - mask = state->keystate[i]; - if (mask == 0) - continue; - for (bit = 0; mask != 0; bit++, mask >>= 1) { - if ((mask & 1) == 0) - continue; - sym = i * KEYBITS_WORD_BITS + bit; - - for (b = 0; b < IN_BINDTYPE_COUNT; b++) - result[b] |= binds[IN_BIND_OFFS(sym, b)]; - } - } - - return 0; -} - -static int in_sdl_update_keycode(void *drv_data, int *is_down) -{ - struct in_sdl_state *state = drv_data; - int ret_kc = -1, ret_down = 0; - - collect_events(state, &ret_kc, &ret_down); - - if (is_down != NULL) - *is_down = ret_down; - - return ret_kc; -} - -struct menu_keymap { - short key; - short pbtn; -}; - -static const struct menu_keymap key_pbtn_map[] = -{ - { SDLK_UP, PBTN_UP }, - { SDLK_DOWN, PBTN_DOWN }, - { SDLK_LEFT, PBTN_LEFT }, - { SDLK_RIGHT, PBTN_RIGHT }, - /* XXX: maybe better set this from it's plat code somehow */ - { SDLK_RETURN, PBTN_MOK }, - { SDLK_ESCAPE, PBTN_MBACK }, - { SDLK_a, PBTN_MA2 }, - { SDLK_s, PBTN_MA3 }, - { SDLK_BACKSLASH, PBTN_MENU }, - { SDLK_LEFTBRACKET, PBTN_L }, - { SDLK_RIGHTBRACKET, PBTN_R }, -}; -#define KEY_PBTN_MAP_SIZE (sizeof(key_pbtn_map) / sizeof(key_pbtn_map[0])) - -static const struct menu_keymap joybtn_pbtn_map[] = -{ - { SDLK_UP, PBTN_UP }, - { SDLK_DOWN, PBTN_DOWN }, - { SDLK_LEFT, PBTN_LEFT }, - { SDLK_RIGHT, PBTN_RIGHT }, - /* joystick */ - { SDLK_WORLD_0, PBTN_MOK }, - { SDLK_WORLD_1, PBTN_MBACK }, - { SDLK_WORLD_2, PBTN_MA2 }, - { SDLK_WORLD_3, PBTN_MA3 }, -}; -#define JOYBTN_PBTN_MAP_SIZE (sizeof(joybtn_pbtn_map) / sizeof(joybtn_pbtn_map[0])) - -static int in_sdl_menu_translate(void *drv_data, int keycode, char *charcode) -{ - struct in_sdl_state *state = drv_data; - const struct menu_keymap *map; - int map_len; - int ret = 0; - int i; - - map = state->joy ? joybtn_pbtn_map : key_pbtn_map; - map_len = state->joy ? JOYBTN_PBTN_MAP_SIZE : KEY_PBTN_MAP_SIZE; - - if (keycode < 0) - { - /* menu -> kc */ - keycode = -keycode; - for (i = 0; i < map_len; i++) - if (map[i].pbtn == keycode) - return map[i].key; - } - else - { - for (i = 0; i < map_len; i++) { - if (map[i].key == keycode) { - ret = map[i].pbtn; - break; - } - } - - if (charcode != NULL && (unsigned int)keycode < SDLK_LAST && - in_sdl_keys[keycode] != NULL && in_sdl_keys[keycode][1] == 0) - { - ret |= PBTN_CHAR; - *charcode = in_sdl_keys[keycode][0]; - } - } - - return ret; -} - -static const in_drv_t in_sdl_drv = { - .prefix = IN_SDL_PREFIX, - .probe = in_sdl_probe, - .free = in_sdl_free, - .get_key_names = in_sdl_get_key_names, - .update = in_sdl_update, - .update_keycode = in_sdl_update_keycode, - .menu_translate = in_sdl_menu_translate, -}; - -void in_sdl_init(const struct in_default_bind *defbinds) -{ - in_register_driver(&in_sdl_drv, defbinds); -} - |