/*
- * (C) notaz, 2010
+ * (C) GraÅžvydas "notaz" Ignotas, 2010
*
* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
* See the COPYING file in the top-level directory.
*/
#include <strings.h>
-#include <SDL/SDL.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+#include <time.h>
+#include <errno.h>
#include <linux/input.h>
+#include <SDL/SDL.h>
#include "omapsdl.h"
-#include "common/input.h"
-static short pmsdl_map[KEY_CNT] = {
+static int osdl_evdev_devs[32];
+static int osdl_evdev_dev_count;
+
+static short osdl_evdev_map[KEY_CNT] = {
[KEY_0] = SDLK_0,
[KEY_1] = SDLK_1,
[KEY_2] = SDLK_2,
[KEY_RIGHTCTRL] = SDLK_RCTRL,
};
+static const char * const osdl_evdev_keys[KEY_CNT] = {
+ [KEY_RESERVED] = "Reserved", [KEY_ESC] = "Esc",
+ [KEY_1] = "1", [KEY_2] = "2",
+ [KEY_3] = "3", [KEY_4] = "4",
+ [KEY_5] = "5", [KEY_6] = "6",
+ [KEY_7] = "7", [KEY_8] = "8",
+ [KEY_9] = "9", [KEY_0] = "0",
+ [KEY_MINUS] = "Minus", [KEY_EQUAL] = "Equal",
+ [KEY_BACKSPACE] = "Backspace", [KEY_TAB] = "Tab",
+ [KEY_Q] = "Q", [KEY_W] = "W",
+ [KEY_E] = "E", [KEY_R] = "R",
+ [KEY_T] = "T", [KEY_Y] = "Y",
+ [KEY_U] = "U", [KEY_I] = "I",
+ [KEY_O] = "O", [KEY_P] = "P",
+ [KEY_LEFTBRACE] = "LeftBrace", [KEY_RIGHTBRACE] = "RightBrace",
+ [KEY_ENTER] = "Enter", [KEY_LEFTCTRL] = "LeftControl",
+ [KEY_A] = "A", [KEY_S] = "S",
+ [KEY_D] = "D", [KEY_F] = "F",
+ [KEY_G] = "G", [KEY_H] = "H",
+ [KEY_J] = "J", [KEY_K] = "K",
+ [KEY_L] = "L", [KEY_SEMICOLON] = "Semicolon",
+ [KEY_APOSTROPHE] = "Apostrophe", [KEY_GRAVE] = "Grave",
+ [KEY_LEFTSHIFT] = "LeftShift", [KEY_BACKSLASH] = "BackSlash",
+ [KEY_Z] = "Z", [KEY_X] = "X",
+ [KEY_C] = "C", [KEY_V] = "V",
+ [KEY_B] = "B", [KEY_N] = "N",
+ [KEY_M] = "M", [KEY_COMMA] = "Comma",
+ [KEY_DOT] = "Dot", [KEY_SLASH] = "Slash",
+ [KEY_RIGHTSHIFT] = "RightShift", [KEY_KPASTERISK] = "KPAsterisk",
+ [KEY_LEFTALT] = "LeftAlt", [KEY_SPACE] = "Space",
+ [KEY_CAPSLOCK] = "CapsLock", [KEY_F1] = "F1",
+ [KEY_F2] = "F2", [KEY_F3] = "F3",
+ [KEY_F4] = "F4", [KEY_F5] = "F5",
+ [KEY_F6] = "F6", [KEY_F7] = "F7",
+ [KEY_F8] = "F8", [KEY_F9] = "F9",
+ [KEY_F10] = "F10", [KEY_NUMLOCK] = "NumLock",
+ [KEY_SCROLLLOCK] = "ScrollLock", [KEY_KP7] = "KP7",
+ [KEY_KP8] = "KP8", [KEY_KP9] = "KP9",
+ [KEY_KPMINUS] = "KPMinus", [KEY_KP4] = "KP4",
+ [KEY_KP5] = "KP5", [KEY_KP6] = "KP6",
+ [KEY_KPPLUS] = "KPPlus", [KEY_KP1] = "KP1",
+ [KEY_KP2] = "KP2", [KEY_KP3] = "KP3",
+ [KEY_KP0] = "KP0", [KEY_KPDOT] = "KPDot",
+ [KEY_ZENKAKUHANKAKU] = "Zenkaku/Hankaku", [KEY_102ND] = "102nd",
+ [KEY_F11] = "F11", [KEY_F12] = "F12",
+ [KEY_KPJPCOMMA] = "KPJpComma", [KEY_KPENTER] = "KPEnter",
+ [KEY_RIGHTCTRL] = "RightCtrl", [KEY_KPSLASH] = "KPSlash",
+ [KEY_SYSRQ] = "SysRq", [KEY_RIGHTALT] = "RightAlt",
+ [KEY_LINEFEED] = "LineFeed", [KEY_HOME] = "Home",
+ [KEY_UP] = "Up", [KEY_PAGEUP] = "PageUp",
+ [KEY_LEFT] = "Left", [KEY_RIGHT] = "Right",
+ [KEY_END] = "End", [KEY_DOWN] = "Down",
+ [KEY_PAGEDOWN] = "PageDown", [KEY_INSERT] = "Insert",
+ [KEY_DELETE] = "Delete", [KEY_MACRO] = "Macro",
+ [KEY_HELP] = "Help", [KEY_MENU] = "Menu",
+ [KEY_COFFEE] = "Coffee", [KEY_DIRECTION] = "Direction",
+ [BTN_0] = "Btn0", [BTN_1] = "Btn1",
+ [BTN_2] = "Btn2", [BTN_3] = "Btn3",
+ [BTN_4] = "Btn4", [BTN_5] = "Btn5",
+ [BTN_6] = "Btn6", [BTN_7] = "Btn7",
+ [BTN_8] = "Btn8", [BTN_9] = "Btn9",
+ [BTN_LEFT] = "LeftBtn", [BTN_RIGHT] = "RightBtn",
+ [BTN_MIDDLE] = "MiddleBtn", [BTN_SIDE] = "SideBtn",
+ [BTN_EXTRA] = "ExtraBtn", [BTN_FORWARD] = "ForwardBtn",
+ [BTN_BACK] = "BackBtn", [BTN_TASK] = "TaskBtn",
+ [BTN_TRIGGER] = "Trigger", [BTN_THUMB] = "ThumbBtn",
+ [BTN_THUMB2] = "ThumbBtn2", [BTN_TOP] = "TopBtn",
+ [BTN_TOP2] = "TopBtn2", [BTN_PINKIE] = "PinkieBtn",
+ [BTN_BASE] = "BaseBtn", [BTN_BASE2] = "BaseBtn2",
+ [BTN_BASE3] = "BaseBtn3", [BTN_BASE4] = "BaseBtn4",
+ [BTN_BASE5] = "BaseBtn5", [BTN_BASE6] = "BaseBtn6",
+ [BTN_DEAD] = "BtnDead", [BTN_A] = "BtnA",
+ [BTN_B] = "BtnB", [BTN_C] = "BtnC",
+ [BTN_X] = "BtnX", [BTN_Y] = "BtnY",
+ [BTN_Z] = "BtnZ", [BTN_TL] = "BtnTL",
+ [BTN_TR] = "BtnTR", [BTN_TL2] = "BtnTL2",
+ [BTN_TR2] = "BtnTR2", [BTN_SELECT] = "BtnSelect",
+ [BTN_START] = "BtnStart", [BTN_MODE] = "BtnMode",
+ [BTN_THUMBL] = "BtnThumbL", [BTN_THUMBR] = "BtnThumbR",
+ [BTN_TOUCH] = "Touch", [BTN_STYLUS] = "Stylus",
+ [BTN_STYLUS2] = "Stylus2", [BTN_TOOL_DOUBLETAP] = "Tool Doubletap",
+ [BTN_TOOL_TRIPLETAP] = "Tool Tripletap", [BTN_GEAR_DOWN] = "WheelBtn",
+ [BTN_GEAR_UP] = "Gear up", [KEY_OK] = "Ok",
+};
+
#define DNKEY(x) [SDLK_##x] = #x
-static const char *sdl_keynames[SDLK_LAST] = {
+static const char * const sdl_keynames[SDLK_LAST] = {
DNKEY(BACKSPACE),
DNKEY(TAB),
DNKEY(RETURN),
{
int i, kc;
- kc = in_get_key_code(-1, kname);
- if (kc < 0) {
- err("can't resolve key '%s'", kname);
- return;
+ if (kname == NULL || strncasecmp(kname, "ev_", 3) != 0)
+ goto bad_ev_key;
+
+ for (i = 0; i < ARRAY_SIZE(osdl_evdev_keys); i++) {
+ if (osdl_evdev_keys[i] == NULL)
+ continue;
+ if (strcasecmp(osdl_evdev_keys[i], kname + 3) == 0)
+ break;
}
+ if (i >= ARRAY_SIZE(osdl_evdev_keys))
+ goto bad_ev_key;
+ kc = i;
+
if (sdlname == NULL || strncasecmp(sdlname, "SDLK_", 5) != 0)
goto bad_sdlkey;
- for (i = 0; i < SDLK_LAST; i++) {
+ for (i = 0; i < ARRAY_SIZE(sdl_keynames); i++) {
if (sdl_keynames[i] == NULL)
continue;
if (strcasecmp(sdl_keynames[i], sdlname + 5) == 0)
break;
}
- if (i >= SDLK_LAST)
+ if (i >= ARRAY_SIZE(sdl_keynames))
goto bad_sdlkey;
- pmsdl_map[kc] = i;
+ osdl_evdev_map[kc] = i;
+ return;
+
+bad_ev_key:
+ err("can't resolve evdev key '%s'", kname);
return;
bad_sdlkey:
err("can't resolve SDL key '%s'", sdlname);
}
+#define KEYBITS_BIT(keybits, x) (keybits[(x)/sizeof(keybits[0])/8] & \
+ (1 << ((x) & (sizeof(keybits[0])*8-1))))
+
void omapsdl_input_init(void)
{
- in_init();
- in_probe();
+ long keybits[KEY_CNT / sizeof(long) / 8];
+ int i;
+
+ // the kernel might support and return less keys then we know about,
+ // so make sure the buffer is clear.
+ memset(keybits, 0, sizeof(keybits));
+
+ for (i = 0;; i++)
+ {
+ int support = 0, count = 0;
+ int u, ret, fd;
+ char name[64];
+
+ snprintf(name, sizeof(name), "/dev/input/event%d", i);
+ fd = open(name, O_RDONLY|O_NONBLOCK);
+ if (fd == -1) {
+ if (errno == EACCES)
+ continue; /* maybe we can access next one */
+ break;
+ }
+
+ /* check supported events */
+ ret = ioctl(fd, EVIOCGBIT(0, sizeof(support)), &support);
+ if (ret == -1) {
+ printf("in_evdev: ioctl failed on %s\n", name);
+ goto skip;
+ }
+
+ if (!(support & (1 << EV_KEY)))
+ goto skip;
+
+ ret = ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
+ if (ret == -1) {
+ printf("in_evdev: ioctl failed on %s\n", name);
+ goto skip;
+ }
+
+ /* check for interesting keys */
+ for (u = 0; u < KEY_CNT; u++) {
+ if (KEYBITS_BIT(keybits, u)) {
+ if (u != KEY_POWER && u != KEY_SLEEP && u != BTN_TOUCH)
+ count++;
+ }
+ }
+
+ if (count == 0)
+ goto skip;
+
+ osdl_evdev_devs[osdl_evdev_dev_count++] = fd;
+ ioctl(fd, EVIOCGNAME(sizeof(name)), name);
+ printf("in_evdev: found \"%s\" with %d events (type %08x)\n",
+ name, count, support);
+ continue;
+
+skip:
+ close(fd);
+ }
+
+ printf("found %d evdev devices.\n", osdl_evdev_dev_count);
}
-int omapsdl_input_get_event(int *is_down, int timeout)
+int omapsdl_input_get_events(int timeout_ms,
+ int (*cb)(void *cb_arg, int sdl_kc, int is_pressed), void *cb_arg)
{
- int key;
+ struct timeval tv, *timeout = NULL;
+ struct input_event ev;
+ int i, fdmax = -1;
+ fd_set fdset;
+
+ if (timeout_ms >= 0) {
+ tv.tv_sec = timeout_ms / 1000;
+ tv.tv_usec = (timeout_ms % 1000) * 1000;
+ timeout = &tv;
+ }
- while (1) {
- int kc;
+ FD_ZERO(&fdset);
+ for (i = 0; i < osdl_evdev_dev_count; i++) {
+ if (osdl_evdev_devs[i] > fdmax)
+ fdmax = osdl_evdev_devs[i];
+ FD_SET(osdl_evdev_devs[i], &fdset);
+ }
- *is_down = 0;
- kc = in_update_keycode(NULL, is_down, timeout);
- if (kc < 0 || kc > KEY_MAX)
- return -1;
+ while (1)
+ {
+ int fd, ret, sdl_kc;
- key = pmsdl_map[kc];
- if (key != 0)
- break;
+ ret = select(fdmax + 1, &fdset, NULL, NULL, timeout);
+ if (ret == -1)
+ {
+ perror("in_evdev: select failed");
+ return -1;
+ }
+ else if (ret == 0)
+ return -1; /* timeout */
+
+ for (i = 0; i < osdl_evdev_dev_count; i++) {
+ if (!FD_ISSET(osdl_evdev_devs[i], &fdset))
+ continue;
+
+ fd = osdl_evdev_devs[i];
+ while (1) {
+ ret = read(fd, &ev, sizeof(ev));
+ if (ret < (int)sizeof(ev)) {
+ if (errno != EAGAIN) {
+ perror("in_evdev: read failed");
+ return -1;
+ }
+ break;
+ }
+
+ if (ev.type != EV_KEY)
+ continue; /* not key event */
+ if ((unsigned int)ev.value > 1)
+ continue; /* not key up/down */
+ if ((unsigned int)ev.code >= ARRAY_SIZE(osdl_evdev_map))
+ continue; /* keycode from future */
+ sdl_kc = osdl_evdev_map[ev.code];
+ if (sdl_kc == 0)
+ continue; /* not mapped */
+ ret = cb(cb_arg, sdl_kc, ev.value);
+ if (ret != 0)
+ return ret;
+ }
+ }
}
-
- return key;
}
/* SDL */
static unsigned char g_keystate[SDLK_LAST];
+struct key_event {
+ int sdl_kc;
+ int is_pressed;
+};
+
+static int do_key_cb(void *cb_arg, int sdl_kc, int is_pressed)
+{
+ struct key_event *ev = cb_arg;
+ ev->sdl_kc = sdl_kc;
+ ev->is_pressed = is_pressed;
+
+ return 1; /* done */
+}
+
static int do_event(SDL_Event *event, int timeout)
{
- int key, is_down;
+ struct key_event ev;
+ int ret;
- key = omapsdl_input_get_event(&is_down, timeout);
- if (key < 0)
+ ret = omapsdl_input_get_events(timeout, do_key_cb, &ev);
+ if (ret < 0)
return 0;
- g_keystate[key] = is_down;
+ g_keystate[ev.sdl_kc] = ev.is_pressed;
if (event == NULL)
return 1; // FIXME: ..but the event is lost
memset(event, 0, sizeof(event->key));
- event->type = is_down ? SDL_KEYDOWN : SDL_KEYUP;
+ event->type = ev.is_pressed ? SDL_KEYDOWN : SDL_KEYUP;
// event->key.which =
- event->key.state = is_down ? SDL_PRESSED : SDL_RELEASED;
- event->key.keysym.sym = key;
+ event->key.state = ev.is_pressed ? SDL_PRESSED : SDL_RELEASED;
+ event->key.keysym.sym = ev.sdl_kc;
// event->key.keysym.mod
return 1;
notaz.gp2x.de / sdl_omap.git / blobdiff