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https://github.com/obsproject/obs-studio.git
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137 lines
3 KiB
C
137 lines
3 KiB
C
/******************************************************************************
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Copyright (C) 2014 by Ruwen Hahn <palana@stunned.de>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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******************************************************************************/
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#include <string.h>
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#include <assert.h>
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#include <util/bmem.h>
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#include <util/c99defs.h>
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#include "obs-internal.h"
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struct obs_hotkey_name_map;
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typedef struct obs_hotkey_name_map_item obs_hotkey_name_map_item_t;
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struct obs_hotkey_name_map_item {
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char *key;
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int val;
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UT_hash_handle hh;
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};
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static void obs_hotkey_name_map_insert(obs_hotkey_name_map_item_t **hmap,
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const char *key, int v)
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{
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if (!hmap || !key)
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return;
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obs_hotkey_name_map_item_t *t;
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HASH_FIND_STR(*hmap, key, t);
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if (t)
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return;
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t = bzalloc(sizeof(obs_hotkey_name_map_item_t));
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t->key = bstrdup(key);
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t->val = v;
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HASH_ADD_STR(*hmap, key, t);
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}
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static bool obs_hotkey_name_map_lookup(obs_hotkey_name_map_item_t *hmap,
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const char *key, int *v)
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{
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if (!hmap || !key)
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return false;
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obs_hotkey_name_map_item_t *elem;
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HASH_FIND_STR(hmap, key, elem);
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if (elem) {
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*v = elem->val;
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return true;
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}
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return false;
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}
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static const char *obs_key_names[] = {
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#define OBS_HOTKEY(x) #x,
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#include "obs-hotkeys.h"
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#undef OBS_HOTKEY
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};
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const char *obs_key_to_name(obs_key_t key)
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{
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if (key >= OBS_KEY_LAST_VALUE) {
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blog(LOG_ERROR,
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"obs-hotkey.c: queried unknown key "
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"with code %d",
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(int)key);
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return "";
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}
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return obs_key_names[key];
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}
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static obs_key_t obs_key_from_name_fallback(const char *name)
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{
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#define OBS_HOTKEY(x) \
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if (strcmp(#x, name) == 0) \
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return x;
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#include "obs-hotkeys.h"
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#undef OBS_HOTKEY
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return OBS_KEY_NONE;
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}
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static void init_name_map(void)
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{
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#define OBS_HOTKEY(x) obs_hotkey_name_map_insert(&obs->hotkeys.name_map, #x, x);
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#include "obs-hotkeys.h"
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#undef OBS_HOTKEY
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}
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obs_key_t obs_key_from_name(const char *name)
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{
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if (!obs)
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return obs_key_from_name_fallback(name);
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if (pthread_once(&obs->hotkeys.name_map_init_token, init_name_map))
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return obs_key_from_name_fallback(name);
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int v = 0;
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if (obs_hotkey_name_map_lookup(obs->hotkeys.name_map, name, &v))
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return v;
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return OBS_KEY_NONE;
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}
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void obs_hotkey_name_map_free(void)
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{
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if (!obs || !obs->hotkeys.name_map)
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return;
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obs_hotkey_name_map_item_t *root = obs->hotkeys.name_map;
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obs_hotkey_name_map_item_t *n, *tmp;
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HASH_ITER (hh, root, n, tmp) {
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HASH_DEL(root, n);
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bfree(n->key);
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bfree(n);
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}
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}
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