input layer mostly complete
[libpicofe.git] / common / input.c
index 48e3c0a..2fd38d8 100644 (file)
@@ -12,22 +12,17 @@ typedef struct
        int *binds;
        char *name;
        int probed:1;
-       int ignore:1;
 } in_dev_t;
 
-#define IN_MAX_DEVS 10
-
+static in_drv_t in_drivers[IN_DRVID_COUNT];
 static in_dev_t in_devices[IN_MAX_DEVS];
 static int in_dev_count = 0;
 
+#define DRV(id) in_drivers[(unsigned)(id) < IN_DRVID_COUNT ? (id) : 0]
+
 static int in_bind_count(int drv_id)
 {
-       int count = 0;
-       switch (drv_id) {
-       case IN_DRVID_EVDEV:
-               count = in_evdev_bind_count();
-               break;
-       }
+       int count = DRV(drv_id).get_bind_count();
        if (count <= 0)
                printf("input: failed to get bind count for drv %d\n", drv_id);
 
@@ -36,27 +31,26 @@ static int in_bind_count(int drv_id)
 
 static int *in_alloc_binds(int drv_id)
 {
-       int count, *ret;
+       int count, *binds;
 
        count = in_bind_count(drv_id);
-       if (count <= 0) {
-               printf("input: failed to get bind count for drv %d\n", drv_id);
+       if (count <= 0)
                return NULL;
-       }
 
-       ret = malloc(count * sizeof(*ret));
-       return ret;
+       binds = calloc(count * 2, sizeof(binds[0]));
+       if (binds == NULL)
+               return NULL;
+
+       DRV(drv_id).get_def_binds(binds + count);
+       memcpy(binds, binds + count, count * sizeof(binds[0]));
+
+       return binds;
 }
 
 static void in_free(in_dev_t *dev)
 {
-       if (dev->probed) {
-               switch (dev->drv_id) {
-               case IN_DRVID_EVDEV:
-                       in_evdev_free(dev->drv_data);
-                       break;
-               }
-       }
+       if (dev->probed)
+               DRV(dev->drv_id).free(dev->drv_data);
        dev->probed = 0;
        dev->drv_data = NULL;
        free(dev->name);
@@ -68,7 +62,7 @@ static void in_free(in_dev_t *dev)
 /* to be called by drivers */
 void in_register(const char *nname, int drv_id, void *drv_data)
 {
-       int i, dupe_count = 0, *binds;
+       int i, ret, dupe_count = 0, *binds;
        char name[256], *name_end, *tmp;
 
        strncpy(name, nname, sizeof(name));
@@ -122,6 +116,15 @@ update:
        in_devices[i].probed = 1;
        in_devices[i].drv_id = drv_id;
        in_devices[i].drv_data = drv_data;
+
+       if (in_devices[i].binds != NULL) {
+               ret = DRV(drv_id).clean_binds(drv_data, in_devices[i].binds);
+               if (ret == 0) {
+                       /* no useable binds */
+                       free(in_devices[i].binds);
+                       in_devices[i].binds = NULL;
+               }
+       }
 }
 
 void in_probe(void)
@@ -130,7 +133,8 @@ void in_probe(void)
        for (i = 0; i < in_dev_count; i++)
                in_devices[i].probed = 0;
 
-       in_evdev_probe();
+       for (i = 1; i < IN_DRVID_COUNT; i++)
+               in_drivers[i].probe();
 
        /* get rid of devs without binds and probes */
        for (i = 0; i < in_dev_count; i++) {
@@ -145,18 +149,6 @@ void in_probe(void)
        }
 }
 
-void in_clear_binds(const char *devname)
-{
-/*     int count;
-
-       count = in_bind_count(drv_id);
-       if (count <= 0) {
-               printf("input: failed to get bind count for drv %d\n", dev->drv_id);
-               return NULL;
-       }
-*/
-}
-
 int in_update(void)
 {
        int i, result = 0;
@@ -164,9 +156,11 @@ int in_update(void)
        for (i = 0; i < in_dev_count; i++) {
                if (in_devices[i].probed && in_devices[i].binds != NULL) {
                        switch (in_devices[i].drv_id) {
+#ifdef IN_EVDEV
                        case IN_DRVID_EVDEV:
                                result |= in_evdev_update(in_devices[i].drv_data, in_devices[i].binds);
                                break;
+#endif
                        }
                }
        }
@@ -192,13 +186,8 @@ void in_set_blocking(int is_blocking)
        int i;
 
        for (i = 0; i < in_dev_count; i++) {
-               if (in_devices[i].probed) {
-                       switch (in_devices[i].drv_id) {
-                       case IN_DRVID_EVDEV:
-                               in_evdev_set_blocking(in_devices[i].drv_data, is_blocking);
-                               break;
-                       }
-               }
+               if (in_devices[i].probed)
+                       DRV(in_devices[i].drv_id).set_blocking(in_devices[i].drv_data, is_blocking);
        }
 }
 
@@ -247,11 +236,9 @@ int in_update_menu(void)
 
        while (1)
        {
-               int code, is_down = 0;
-               code = in_update_keycode(NULL, &is_down);
-#ifdef IN_EVDEV
-               code = in_evdev_menu_translate(code);
-#endif
+               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)
@@ -266,24 +253,230 @@ int in_update_menu(void)
        return keys_active;
 }
 
+const int *in_get_dev_binds(int dev_id)
+{
+       if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
+               return NULL;
+
+       return in_devices[dev_id].binds;
+}
+
+const int *in_get_dev_def_binds(int dev_id)
+{
+       int count;
+
+       if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
+               return NULL;
+
+       count = in_bind_count(in_devices[dev_id].drv_id);
+       return in_devices[dev_id].binds + count;
+}
+
+int in_get_dev_bind_count(int dev_id)
+{
+       if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
+               return 0;
+
+       return in_bind_count(in_devices[dev_id].drv_id);
+}
+
+const char *in_get_dev_name(int dev_id)
+{
+       if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
+               return NULL;
+
+       return in_devices[dev_id].name;
+}
+
 const char *in_get_key_name(int dev_id, int keycode)
 {
        if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
                return "Unkn0";
-       switch (in_devices[dev_id].drv_id) {
-       case IN_DRVID_EVDEV:
-               return in_evdev_get_key_name(keycode);
+
+       return DRV(in_devices[dev_id].drv_id).get_key_name(keycode);
+}
+
+/* returns device id, or -1 on error */
+int in_config_parse_dev(const char *name)
+{
+       int drv_id = -1, i;
+
+       for (i = 0; i < IN_DRVID_COUNT; i++) {
+               int len = strlen(in_drivers[i].prefix);
+               if (strncmp(name, in_drivers[i].prefix, len) == 0) {
+                       drv_id = i;
+                       break;
+               }
+       }
+
+       if (drv_id < 0) {
+               printf("input: missing driver for %s\n", name);
+               return -1;
+       }
+
+       for (i = 0; i < in_dev_count; i++)
+       {
+               if (in_devices[i].name == NULL)
+                       continue;
+               if (strcmp(in_devices[i].name, name) == 0)
+                       return i;
+       }
+
+       if (i >= IN_MAX_DEVS)
+       {
+               /* try to find unused device */
+               for (i = 0; i < IN_MAX_DEVS; i++)
+                       if (in_devices[i].name == NULL) break;
+               if (i >= IN_MAX_DEVS) {
+                       printf("input: too many devices, can't add %s\n", name);
+                       return -1;
+               }
+       }
+
+       memset(&in_devices[i], 0, sizeof(in_devices[i]));
+
+       in_devices[i].name = strdup(name);
+       if (in_devices[i].name == NULL)
+               return -1;
+
+       if (i + 1 > in_dev_count)
+               in_dev_count = i + 1;
+       in_devices[i].drv_id = drv_id;
+
+       return i;
+}
+
+void in_config_start(void)
+{
+       int i;
+
+       /* mark all default binds, so they get overwritten by func below */
+       for (i = 0; i < IN_MAX_DEVS; i++) {
+               int n, count, *binds, *def_binds;
+
+               if (in_devices[i].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++)
+                       if (binds[n] == def_binds[n])
+                               binds[n] = -1;
+       }
+}
+
+int in_config_bind_key(int dev_id, const char *key, int binds)
+{
+       int kc;
+
+       if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
+               return -1;
+
+       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();
+       }
+
+       kc = DRV(in_devices[dev_id].drv_id).get_key_code(key);
+       if (kc < 0) {
+               printf("input: bad key: %s\n", key);
+               return -1;
        }
 
-       return "Unkn1";
+       if (in_devices[dev_id].binds[kc] == -1)
+               in_devices[dev_id].binds[kc] = 0;
+       in_devices[dev_id].binds[kc] |= binds;
+
+       return 0;
+}
+
+void in_config_end(void)
+{
+       int i;
+
+       for (i = 0; i < IN_MAX_DEVS; i++) {
+               int n, ret, count, *binds, *def_binds;
+
+               if (in_devices[i].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++)
+                       if (binds[n] == -1)
+                               binds[n] = def_binds[n];
+
+               if (in_devices[i].drv_data == NULL)
+                       continue;
+
+               ret = DRV(in_devices[i].drv_id).clean_binds(in_devices[i].drv_data, binds);
+               if (ret == 0) {
+                       /* no useable binds */
+                       free(binds);
+                       in_devices[i].binds = NULL;
+               }
+       }
 }
 
+void in_debug_dump(void)
+{
+       int i;
+
+       printf("# drv probed binds name\n");
+       for (i = 0; i < IN_MAX_DEVS; i++) {
+               in_dev_t *d = &in_devices[i];
+               if (!d->probed && d->name == NULL && d->binds == NULL)
+                       continue;
+               printf("%d %3d %6c %5c %s\n", i, d->drv_id, d->probed ? 'y' : 'n',
+                       d->binds ? 'y' : 'n', d->name);
+       }
+}
+
+/* handlers for unknown/not_preset drivers */
+
+static void in_def_probe(void) {}
+static void in_def_free(void *drv_data) {}
+static int  in_def_get_bind_count(void) { return 0; }
+static void in_def_get_def_binds(int *binds) {}
+static int  in_def_clean_binds(void *drv_data, int *binds) { return 0; }
+static void in_def_set_blocking(void *data, int y) {}
+static int  in_def_menu_translate(int keycode) { return keycode; }
+static int  in_def_get_key_code(const char *key_name) { return 0; }
+static const char *in_def_get_key_name(int keycode) { return NULL; }
+
 void in_init(void)
 {
+       int i;
+
+       memset(in_drivers, 0, sizeof(in_drivers));
        memset(in_devices, 0, sizeof(in_devices));
        in_dev_count = 0;
+
+       for (i = 0; i < IN_DRVID_COUNT; i++) {
+               in_drivers[i].prefix = "none:";
+               in_drivers[i].probe = in_def_probe;
+               in_drivers[i].free = in_def_free;
+               in_drivers[i].get_bind_count = in_def_get_bind_count;
+               in_drivers[i].get_def_binds = in_def_get_def_binds;
+               in_drivers[i].clean_binds = in_def_clean_binds;
+               in_drivers[i].set_blocking = in_def_set_blocking;
+               in_drivers[i].menu_translate = in_def_menu_translate;
+               in_drivers[i].get_key_code = in_def_get_key_code;
+               in_drivers[i].get_key_name = in_def_get_key_name;
+       }
+
+#ifdef IN_EVDEV
+       in_evdev_init(&in_drivers[IN_DRVID_EVDEV]);
+#endif
 }
 
+#if 0
 int main(void)
 {
        int ret;
@@ -308,4 +501,4 @@ int main(void)
 
        return 0;
 }
-
+#endif