+++ /dev/null
-/*
- * (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);
-}
-
notaz.gp2x.de / pcsx_rearmed.git / blobdiff