| 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
| 3 | #include <string.h> |
| 4 | |
| 5 | #include "input.h" |
| 6 | #include "../linux/in_evdev.h" |
| 7 | |
| 8 | typedef struct |
| 9 | { |
| 10 | int drv_id; |
| 11 | void *drv_data; |
| 12 | int *binds; |
| 13 | char *name; |
| 14 | int probed:1; |
| 15 | int ignore:1; |
| 16 | } in_dev_t; |
| 17 | |
| 18 | #define IN_MAX_DEVS 10 |
| 19 | |
| 20 | static in_dev_t in_devices[IN_MAX_DEVS]; |
| 21 | static int in_dev_count = 0; |
| 22 | |
| 23 | static int in_bind_count(int drv_id) |
| 24 | { |
| 25 | int count = 0; |
| 26 | if (drv_id == IN_DRVID_EVDEV) |
| 27 | count = in_evdev_bind_count(); |
| 28 | if (count <= 0) |
| 29 | printf("input: failed to get bind count for drv %d\n", drv_id); |
| 30 | |
| 31 | return count; |
| 32 | } |
| 33 | |
| 34 | static int *in_alloc_binds(int drv_id) |
| 35 | { |
| 36 | int count, *ret; |
| 37 | |
| 38 | count = in_bind_count(drv_id); |
| 39 | if (count <= 0) { |
| 40 | printf("input: failed to get bind count for drv %d\n", drv_id); |
| 41 | return NULL; |
| 42 | } |
| 43 | |
| 44 | ret = malloc(count * sizeof(*ret)); |
| 45 | return ret; |
| 46 | } |
| 47 | |
| 48 | static void in_free(in_dev_t *dev) |
| 49 | { |
| 50 | if (dev->probed) { |
| 51 | if (dev->drv_id == IN_DRVID_EVDEV) |
| 52 | in_evdev_free(dev->drv_data); |
| 53 | } |
| 54 | dev->probed = 0; |
| 55 | dev->drv_data = NULL; |
| 56 | free(dev->name); |
| 57 | dev->name = NULL; |
| 58 | free(dev->binds); |
| 59 | dev->binds = NULL; |
| 60 | } |
| 61 | |
| 62 | /* to be called by drivers */ |
| 63 | void in_register(const char *nname, int drv_id, void *drv_data) |
| 64 | { |
| 65 | int i, dupe_count = 0, *binds; |
| 66 | char name[256], *name_end, *tmp; |
| 67 | |
| 68 | strncpy(name, nname, sizeof(name)); |
| 69 | name[sizeof(name)-12] = 0; |
| 70 | name_end = name + strlen(name); |
| 71 | |
| 72 | for (i = 0; i < in_dev_count; i++) |
| 73 | { |
| 74 | if (in_devices[i].name == NULL) |
| 75 | continue; |
| 76 | if (strcmp(in_devices[i].name, name) == 0) |
| 77 | { |
| 78 | if (in_devices[i].probed) { |
| 79 | dupe_count++; |
| 80 | sprintf(name_end, " [%d]", dupe_count); |
| 81 | continue; |
| 82 | } |
| 83 | goto update; |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | if (i >= IN_MAX_DEVS) |
| 88 | { |
| 89 | /* try to find unused device */ |
| 90 | for (i = 0; i < IN_MAX_DEVS; i++) |
| 91 | if (!in_devices[i].probed) break; |
| 92 | if (i >= IN_MAX_DEVS) { |
| 93 | printf("input: too many devices, can't add %s\n", name); |
| 94 | return; |
| 95 | } |
| 96 | in_free(&in_devices[i]); |
| 97 | } |
| 98 | |
| 99 | tmp = strdup(name); |
| 100 | if (tmp == NULL) |
| 101 | return; |
| 102 | |
| 103 | binds = in_alloc_binds(drv_id); |
| 104 | if (binds == NULL) { |
| 105 | free(tmp); |
| 106 | return; |
| 107 | } |
| 108 | |
| 109 | in_devices[i].name = tmp; |
| 110 | in_devices[i].binds = binds; |
| 111 | if (i + 1 > in_dev_count) |
| 112 | in_dev_count = i + 1; |
| 113 | |
| 114 | printf("input: new device #%d \"%s\"\n", i, name); |
| 115 | update: |
| 116 | in_devices[i].probed = 1; |
| 117 | in_devices[i].drv_id = drv_id; |
| 118 | in_devices[i].drv_data = drv_data; |
| 119 | } |
| 120 | |
| 121 | void in_probe(void) |
| 122 | { |
| 123 | int i; |
| 124 | for (i = 0; i < in_dev_count; i++) |
| 125 | in_devices[i].probed = 0; |
| 126 | |
| 127 | in_evdev_probe(); |
| 128 | |
| 129 | /* get rid of devs without binds and probes */ |
| 130 | for (i = 0; i < in_dev_count; i++) { |
| 131 | if (!in_devices[i].probed && in_devices[i].binds == NULL) { |
| 132 | in_dev_count--; |
| 133 | if (i < in_dev_count) { |
| 134 | free(in_devices[i].name); |
| 135 | memmove(&in_devices[i], &in_devices[i+1], |
| 136 | (in_dev_count - i) * sizeof(in_devices[0])); |
| 137 | } |
| 138 | } |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | void in_clear_binds(const char *devname) |
| 143 | { |
| 144 | /* int count; |
| 145 | |
| 146 | count = in_bind_count(drv_id); |
| 147 | if (count <= 0) { |
| 148 | printf("input: failed to get bind count for drv %d\n", dev->drv_id); |
| 149 | return NULL; |
| 150 | } |
| 151 | */ |
| 152 | } |
| 153 | |
| 154 | int in_update(void) |
| 155 | { |
| 156 | int i, result = 0; |
| 157 | |
| 158 | for (i = 0; i < in_dev_count; i++) { |
| 159 | if (in_devices[i].probed && in_devices[i].binds != NULL) { |
| 160 | if (in_devices[i].drv_id == IN_DRVID_EVDEV) |
| 161 | result |= in_evdev_update(in_devices[i].drv_data, in_devices[i].binds); |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | return result; |
| 166 | } |
| 167 | |
| 168 | /* |
| 169 | * update with wait for a press, return bitfield of BTN_* |
| 170 | * only can use 1 drv here.. |
| 171 | */ |
| 172 | int in_update_menu(void) |
| 173 | { |
| 174 | int result = 0; |
| 175 | #ifdef IN_EVDEV |
| 176 | void *data[IN_MAX_DEVS]; |
| 177 | int i, count = 0; |
| 178 | |
| 179 | for (i = 0; i < in_dev_count; i++) { |
| 180 | if (in_devices[i].probed) |
| 181 | data[count++] = in_devices[i].drv_data; |
| 182 | } |
| 183 | |
| 184 | if (count == 0) { |
| 185 | /* don't deadlock, fail */ |
| 186 | printf("input: failed to find devices to read\n"); |
| 187 | exit(1); |
| 188 | } |
| 189 | |
| 190 | result = in_evdev_update_menu(data, count); |
| 191 | #else |
| 192 | #error no menu read handlers |
| 193 | #endif |
| 194 | |
| 195 | return result; |
| 196 | } |
| 197 | |
| 198 | void in_init(void) |
| 199 | { |
| 200 | memset(in_devices, 0, sizeof(in_devices)); |
| 201 | in_dev_count = 0; |
| 202 | } |
| 203 | |
| 204 | int main(void) |
| 205 | { |
| 206 | int ret; |
| 207 | |
| 208 | in_init(); |
| 209 | in_probe(); |
| 210 | |
| 211 | while (1) { |
| 212 | ret = in_update_menu(); |
| 213 | printf("%08x\n", ret); |
| 214 | sleep(1); |
| 215 | } |
| 216 | |
| 217 | return 0; |
| 218 | } |
| 219 | |