From 906bdc9fb54da36399faaa95535432fdf8531662 Mon Sep 17 00:00:00 2001 From: notaz Date: Fri, 2 Jan 2009 19:43:27 +0000 Subject: [PATCH] more input layer tweaks git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@627 be3aeb3a-fb24-0410-a615-afba39da0efa --- common/input.c | 187 +++++++++++++++++++++++++++++++++++------------ common/input.h | 6 +- linux/in_evdev.c | 29 +++++--- linux/in_evdev.h | 2 +- 4 files changed, 165 insertions(+), 59 deletions(-) diff --git a/common/input.c b/common/input.c index 2fd38d8..980115e 100644 --- a/common/input.c +++ b/common/input.c @@ -9,8 +9,9 @@ typedef struct { int drv_id; void *drv_data; - int *binds; char *name; + int *binds; + int prev_result; int probed:1; } in_dev_t; @@ -154,11 +155,19 @@ int in_update(void) int i, result = 0; for (i = 0; i < in_dev_count; i++) { - if (in_devices[i].probed && in_devices[i].binds != NULL) { - switch (in_devices[i].drv_id) { + in_dev_t *dev = &in_devices[i]; + int ret; + if (dev->probed && dev->binds != NULL) { + switch (dev->drv_id) { #ifdef IN_EVDEV case IN_DRVID_EVDEV: - result |= in_evdev_update(in_devices[i].drv_data, in_devices[i].binds); + ret = in_evdev_update(dev->drv_data, dev->binds); + if (ret == -1) /* no change */ + result |= dev->prev_result; + else { + dev->prev_result = ret; + result |= ret; + } break; #endif } @@ -181,6 +190,8 @@ static void **in_collect_drvdata(int drv_id, int *count) return data; } +static int menu_key_state = 0; + void in_set_blocking(int is_blocking) { int i; @@ -188,16 +199,21 @@ void in_set_blocking(int is_blocking) for (i = 0; i < in_dev_count; i++) { if (in_devices[i].probed) DRV(in_devices[i].drv_id).set_blocking(in_devices[i].drv_data, is_blocking); + in_devices[i].prev_result = 0; } + + menu_key_state = 0; + /* flush events */ + in_update_keycode(NULL, NULL, 1); } /* * update with wait for a press, return keycode * only can use 1 drv here.. */ -int in_update_keycode(int *dev_id, int *is_down) +int in_update_keycode(int *dev_id_out, int *is_down_out, int timeout_ms) { - int result = 0; + int result = 0, dev_id, is_down, result_menu; #ifdef IN_EVDEV void **data; int i, id = 0, count = 0; @@ -209,48 +225,58 @@ int in_update_keycode(int *dev_id, int *is_down) exit(1); } - result = in_evdev_update_keycode(data, count, &id, is_down); + result = in_evdev_update_keycode(data, count, &id, &is_down, timeout_ms); - if (dev_id != NULL) { - for (i = id; i < in_dev_count; i++) { - if (in_devices[i].drv_data == data[id]) { - *dev_id = i; - break; - } + for (i = id; i < in_dev_count; i++) { + if (in_devices[i].drv_data == data[id]) { + dev_id = i; + break; } } #else #error no menu read handlers #endif + /* keep track of menu key state, to allow mixing + * in_update_keycode() and in_update_menu() calls */ + result_menu = DRV(in_devices[dev_id].drv_id).menu_translate(result); + if (result_menu != 0) { + if (is_down) + menu_key_state |= result_menu; + else + menu_key_state &= ~result_menu; + } + + if (dev_id_out != NULL) + *dev_id_out = dev_id; + if (is_down_out != NULL) + *is_down_out = is_down; return result; } /* * same as above, only return bitfield of BTN_* */ -int in_update_menu(void) +int in_update_menu(int timeout_ms) { - static int keys_active = 0; - int keys_old = keys_active; + int keys_old = menu_key_state; while (1) { int code, is_down = 0, dev_id = 0; - code = in_update_keycode(&dev_id, &is_down); - code = DRV(in_devices[dev_id].drv_id).menu_translate(code); - if (code == 0) continue; - if (is_down) - keys_active |= code; - else - keys_active &= ~code; + code = in_update_keycode(&dev_id, &is_down, timeout_ms); + code = DRV(in_devices[dev_id].drv_id).menu_translate(code); - if (keys_old != keys_active) + if (timeout_ms != 0) + break; + if (code == 0) + continue; + if (keys_old != menu_key_state) break; } - return keys_active; + return menu_key_state; } const int *in_get_dev_binds(int dev_id) @@ -288,12 +314,61 @@ const char *in_get_dev_name(int dev_id) return in_devices[dev_id].name; } +/* never returns NULL */ const char *in_get_key_name(int dev_id, int keycode) { + static char xname[16]; + const char *name; + if (dev_id < 0 || dev_id >= IN_MAX_DEVS) return "Unkn0"; - return DRV(in_devices[dev_id].drv_id).get_key_name(keycode); + name = DRV(in_devices[dev_id].drv_id).get_key_name(keycode); + if (name != NULL) + return name; + + /* assume scancode */ + if ((keycode >= '0' && keycode <= '9') || (keycode >= 'a' && keycode <= 'z') + || (keycode >= 'A' && keycode <= 'Z')) + sprintf(xname, "%c", keycode); + else + sprintf(xname, "\\x%02X", keycode); + return xname; +} + +int in_bind_key(int dev_id, int keycode, int mask, int force_unbind) +{ + int ret, count; + in_dev_t *dev; + + if (dev_id < 0 || dev_id >= IN_MAX_DEVS) + return -1; + dev = &in_devices[dev_id]; + + if (dev->binds == NULL) { + if (force_unbind) + return 0; + dev->binds = in_alloc_binds(dev->drv_id); + if (dev->binds == NULL) + return -1; + } + + count = in_bind_count(dev->drv_id); + if (keycode < 0 || keycode >= count) + return -1; + + if (force_unbind) + dev->binds[keycode] &= ~mask; + else + dev->binds[keycode] ^= mask; + + ret = DRV(dev->drv_id).clean_binds(dev->drv_data, dev->binds); + if (ret == 0) { + free(dev->binds); + dev->binds = NULL; + } + + return 0; } /* returns device id, or -1 on error */ @@ -354,11 +429,11 @@ void in_config_start(void) for (i = 0; i < IN_MAX_DEVS; i++) { int n, count, *binds, *def_binds; - if (in_devices[i].binds == NULL) + binds = in_devices[i].binds; + if (binds == NULL) continue; count = in_bind_count(in_devices[i].drv_id); - binds = in_devices[i].binds; def_binds = binds + count; for (n = 0; n < count; n++) @@ -369,27 +444,46 @@ void in_config_start(void) int in_config_bind_key(int dev_id, const char *key, int binds) { - int kc; + int count, kc; + in_dev_t *dev; if (dev_id < 0 || dev_id >= IN_MAX_DEVS) return -1; + dev = &in_devices[dev_id]; - if (in_devices[dev_id].binds == NULL) { - in_devices[dev_id].binds = in_alloc_binds(in_devices[dev_id].drv_id); - if (in_devices[dev_id].binds == NULL) - return -1; - in_config_start(); + count = in_bind_count(dev->drv_id); + + /* maybe a raw code? */ + if (key[0] == '\\' && key[1] == 'x') { + char *p = NULL; + kc = (int)strtoul(key + 2, &p, 16); + if (p == NULL || *p != 0) + kc = -1; + } + else { + /* device specific key name */ + if (dev->binds == NULL) { + dev->binds = in_alloc_binds(dev->drv_id); + if (dev->binds == NULL) + return -1; + in_config_start(); + } + + kc = DRV(dev->drv_id).get_key_code(key); + if (kc < 0 && strlen(key) == 1) { + /* assume scancode */ + kc = key[0]; + } } - kc = DRV(in_devices[dev_id].drv_id).get_key_code(key); - if (kc < 0) { + if (kc < 0 || kc >= count) { printf("input: bad key: %s\n", key); return -1; } - if (in_devices[dev_id].binds[kc] == -1) - in_devices[dev_id].binds[kc] = 0; - in_devices[dev_id].binds[kc] |= binds; + if (dev->binds[kc] == -1) + dev->binds[kc] = 0; + dev->binds[kc] |= binds; return 0; } @@ -400,26 +494,27 @@ void in_config_end(void) for (i = 0; i < IN_MAX_DEVS; i++) { int n, ret, count, *binds, *def_binds; + in_dev_t *dev = &in_devices[i]; - if (in_devices[i].binds == NULL) + if (dev->binds == NULL) continue; - count = in_bind_count(in_devices[i].drv_id); - binds = in_devices[i].binds; + count = in_bind_count(dev->drv_id); + binds = dev->binds; def_binds = binds + count; for (n = 0; n < count; n++) if (binds[n] == -1) binds[n] = def_binds[n]; - if (in_devices[i].drv_data == NULL) + if (dev->drv_data == NULL) continue; - ret = DRV(in_devices[i].drv_id).clean_binds(in_devices[i].drv_data, binds); + ret = DRV(dev->drv_id).clean_binds(dev->drv_data, binds); if (ret == 0) { /* no useable binds */ - free(binds); - in_devices[i].binds = NULL; + free(dev->binds); + dev->binds = NULL; } } } diff --git a/common/input.h b/common/input.h index 848012d..4b8784c 100644 --- a/common/input.h +++ b/common/input.h @@ -27,14 +27,14 @@ void in_init(void); void in_probe(void); int in_update(void); void in_set_blocking(int is_blocking); -int in_update_keycode(int *dev_id, int *is_down); -int in_update_menu(void); +int in_update_keycode(int *dev_id, int *is_down, int timeout_ms); +int in_update_menu(int timeout_ms); int in_get_dev_bind_count(int dev_id); void in_config_start(void); int in_config_parse_dev(const char *dev_name); int in_config_bind_key(int dev_id, const char *key, int mask); void in_config_end(void); -int in_bind_key(int dev_id, int keycode, int mask); +int in_bind_key(int dev_id, int keycode, int mask, int force_unbind); void in_debug_dump(void); const int *in_get_dev_binds(int dev_id); diff --git a/linux/in_evdev.c b/linux/in_evdev.c index cfb31b6..2690122 100644 --- a/linux/in_evdev.c +++ b/linux/in_evdev.c @@ -165,6 +165,8 @@ static int in_evdev_get_bind_count(void) return KEY_MAX + 1; } +/* returns bitfield of active binds or -1 if nothing + * changed from previous time */ int in_evdev_update(void *drv_data, int *binds) { struct input_event ev[16]; @@ -184,24 +186,20 @@ int in_evdev_update(void *drv_data, int *binds) changed = 1; } -/* if (!changed) - return 0; -*/ + return -1; + ret = ioctl(fd, EVIOCGKEY(sizeof(keybits)), keybits); if (ret == -1) { perror("in_evdev: ioctl failed"); return 0; } - printf("#%d: ", fd); for (u = 0; u < KEY_MAX + 1; u++) { if (KEYBITS_BIT(u)) { - printf(" %d", u); result |= binds[u]; } } - printf("\n"); return result; } @@ -225,11 +223,21 @@ static void in_evdev_set_blocking(void *data, int y) perror("in_evdev: F_SETFL fcntl failed"); } -int in_evdev_update_keycode(void **data, int dcount, int *which, int *is_down) +int in_evdev_update_keycode(void **data, int dcount, int *which, int *is_down, int timeout_ms) { const int *fds = (const int *)data; + struct timeval tv, *timeout = NULL; int i, fdmax = -1; + if (timeout_ms > 0) { + tv.tv_sec = timeout_ms / 1000; + tv.tv_usec = (timeout_ms % 1000) * 1000; + timeout = &tv; + } + + if (is_down != NULL) + *is_down = 0; + for (i = 0; i < dcount; i++) if (fds[i] > fdmax) fdmax = fds[i]; @@ -243,7 +251,7 @@ int in_evdev_update_keycode(void **data, int dcount, int *which, int *is_down) for (i = 0; i < dcount; i++) FD_SET(fds[i], &fdset); - ret = select(fdmax + 1, &fdset, NULL, NULL, NULL); + ret = select(fdmax + 1, &fdset, NULL, NULL, timeout); if (ret == -1) { perror("in_evdev: select failed"); @@ -251,6 +259,9 @@ int in_evdev_update_keycode(void **data, int dcount, int *which, int *is_down) return 0; } + if (ret == 0) + return 0; /* timeout */ + for (i = 0; i < dcount; i++) if (FD_ISSET(fds[i], &fdset)) *which = i, fd = fds[i]; @@ -267,7 +278,7 @@ int in_evdev_update_keycode(void **data, int dcount, int *which, int *is_down) if (ev[i].type != EV_KEY || ev[i].value < 0 || ev[i].value > 1) continue; - if (is_down) + if (is_down != NULL) *is_down = ev[i].value; return ev[i].code; } diff --git a/linux/in_evdev.h b/linux/in_evdev.h index 0219c7e..4106c5f 100644 --- a/linux/in_evdev.h +++ b/linux/in_evdev.h @@ -1,5 +1,5 @@ int in_evdev_update(void *drv_data, int *binds); -int in_evdev_update_keycode(void **data, int count, int *which, int *is_down); +int in_evdev_update_keycode(void **data, int count, int *which, int *is_down, int timeout_ms); void in_evdev_init(void *vdrv); -- 2.39.5