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Diffstat (limited to 'input/input.c')
| -rw-r--r-- | input/input.c | 1695 |
1 files changed, 1695 insertions, 0 deletions
diff --git a/input/input.c b/input/input.c new file mode 100644 index 0000000..b8d12aa --- /dev/null +++ b/input/input.c @@ -0,0 +1,1695 @@ +/* + * This file is part of mpv. + * + * mpv is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * mpv is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with mpv. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#include <stdbool.h> +#include <unistd.h> +#include <math.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <fcntl.h> +#include <assert.h> + +#include "osdep/io.h" +#include "misc/rendezvous.h" + +#include "input.h" +#include "keycodes.h" +#include "osdep/threads.h" +#include "osdep/timer.h" +#include "common/msg.h" +#include "common/global.h" +#include "options/m_config.h" +#include "options/m_option.h" +#include "options/path.h" +#include "mpv_talloc.h" +#include "options/options.h" +#include "misc/bstr.h" +#include "misc/node.h" +#include "stream/stream.h" +#include "common/common.h" + +#if HAVE_COCOA +#include "osdep/macosx_events.h" +#endif + +#define input_lock(ictx) mp_mutex_lock(&ictx->mutex) +#define input_unlock(ictx) mp_mutex_unlock(&ictx->mutex) + +#define MP_MAX_KEY_DOWN 4 + +struct cmd_bind { + int keys[MP_MAX_KEY_DOWN]; + int num_keys; + char *cmd; + char *location; // filename/line number of definition + char *desc; // human readable description + bool is_builtin; + struct cmd_bind_section *owner; +}; + +struct cmd_bind_section { + char *owner; + struct cmd_bind *binds; + int num_binds; + char *section; + struct mp_rect mouse_area; // set at runtime, if at all + bool mouse_area_set; // mouse_area is valid and should be tested +}; + +#define MP_MAX_SOURCES 10 + +#define MAX_ACTIVE_SECTIONS 50 + +struct active_section { + char *name; + int flags; +}; + +struct cmd_queue { + struct mp_cmd *first; +}; + +struct wheel_state { + double dead_zone_accum; + double unit_accum; +}; + +struct input_ctx { + mp_mutex mutex; + struct mp_log *log; + struct mpv_global *global; + struct m_config_cache *opts_cache; + struct input_opts *opts; + + bool using_ar; + bool using_cocoa_media_keys; + + // Autorepeat stuff + short ar_state; + int64_t last_ar; + + // history of key downs - the newest is in position 0 + int key_history[MP_MAX_KEY_DOWN]; + // key code of the last key that triggered MP_KEY_STATE_DOWN + int last_key_down; + int64_t last_key_down_time; + struct mp_cmd *current_down_cmd; + + int last_doubleclick_key_down; + double last_doubleclick_time; + + // Mouse position on the consumer side (as command.c sees it) + int mouse_x, mouse_y; + int mouse_hover; // updated on mouse-enter/leave + char *mouse_section; // last section to receive mouse event + + // Mouse position on the producer side (as the VO sees it) + // Unlike mouse_x/y, this can be used to resolve mouse click bindings. + int mouse_vo_x, mouse_vo_y; + + bool mouse_mangle, mouse_src_mangle; + struct mp_rect mouse_src, mouse_dst; + + // Wheel state (MP_WHEEL_*) + struct wheel_state wheel_state_y; // MP_WHEEL_UP/MP_WHEEL_DOWN + struct wheel_state wheel_state_x; // MP_WHEEL_LEFT/MP_WHEEL_RIGHT + struct wheel_state *wheel_current; // The direction currently being scrolled + double last_wheel_time; // mp_time_sec() of the last wheel event + + // List of command binding sections + struct cmd_bind_section **sections; + int num_sections; + + // List currently active command sections + struct active_section active_sections[MAX_ACTIVE_SECTIONS]; + int num_active_sections; + + unsigned int mouse_event_counter; + + struct mp_input_src *sources[MP_MAX_SOURCES]; + int num_sources; + + struct cmd_queue cmd_queue; + + void (*wakeup_cb)(void *ctx); + void *wakeup_ctx; +}; + +static int parse_config(struct input_ctx *ictx, bool builtin, bstr data, + const char *location, const char *restrict_section); +static void close_input_sources(struct input_ctx *ictx); + +#define OPT_BASE_STRUCT struct input_opts +struct input_opts { + char *config_file; + int doubleclick_time; + // Maximum number of queued commands from keypresses (limit to avoid + // repeated slow commands piling up) + int key_fifo_size; + // Autorepeat config (be aware of mp_input_set_repeat_info()) + int ar_delay; + int ar_rate; + bool use_alt_gr; + bool use_gamepad; + bool use_media_keys; + bool default_bindings; + bool builtin_bindings; + bool enable_mouse_movements; + bool vo_key_input; + bool test; + bool allow_win_drag; +}; + +const struct m_sub_options input_config = { + .opts = (const m_option_t[]) { + {"input-conf", OPT_STRING(config_file), .flags = M_OPT_FILE}, + {"input-ar-delay", OPT_INT(ar_delay)}, + {"input-ar-rate", OPT_INT(ar_rate)}, + {"input-keylist", OPT_PRINT(mp_print_key_list)}, + {"input-cmdlist", OPT_PRINT(mp_print_cmd_list)}, + {"input-default-bindings", OPT_BOOL(default_bindings)}, + {"input-builtin-bindings", OPT_BOOL(builtin_bindings)}, + {"input-test", OPT_BOOL(test)}, + {"input-doubleclick-time", OPT_INT(doubleclick_time), + M_RANGE(0, 1000)}, + {"input-right-alt-gr", OPT_BOOL(use_alt_gr)}, + {"input-key-fifo-size", OPT_INT(key_fifo_size), M_RANGE(2, 65000)}, + {"input-cursor", OPT_BOOL(enable_mouse_movements)}, + {"input-vo-keyboard", OPT_BOOL(vo_key_input)}, + {"input-media-keys", OPT_BOOL(use_media_keys)}, +#if HAVE_SDL2_GAMEPAD + {"input-gamepad", OPT_BOOL(use_gamepad)}, +#endif + {"window-dragging", OPT_BOOL(allow_win_drag)}, + {0} + }, + .size = sizeof(struct input_opts), + .defaults = &(const struct input_opts){ + .key_fifo_size = 7, + .doubleclick_time = 300, + .ar_delay = 200, + .ar_rate = 40, + .use_alt_gr = true, + .enable_mouse_movements = true, + .use_media_keys = true, + .default_bindings = true, + .builtin_bindings = true, + .vo_key_input = true, + .allow_win_drag = true, + }, + .change_flags = UPDATE_INPUT, +}; + +static const char builtin_input_conf[] = +#include "etc/input.conf.inc" +; + +static bool test_rect(struct mp_rect *rc, int x, int y) +{ + return x >= rc->x0 && y >= rc->y0 && x < rc->x1 && y < rc->y1; +} + +static int queue_count_cmds(struct cmd_queue *queue) +{ + int res = 0; + for (struct mp_cmd *cmd = queue->first; cmd; cmd = cmd->queue_next) + res++; + return res; +} + +static void queue_remove(struct cmd_queue *queue, struct mp_cmd *cmd) +{ + struct mp_cmd **p_prev = &queue->first; + while (*p_prev != cmd) { + p_prev = &(*p_prev)->queue_next; + } + // if this fails, cmd was not in the queue + assert(*p_prev == cmd); + *p_prev = cmd->queue_next; +} + +static struct mp_cmd *queue_remove_head(struct cmd_queue *queue) +{ + struct mp_cmd *ret = queue->first; + if (ret) + queue_remove(queue, ret); + return ret; +} + +static void queue_add_tail(struct cmd_queue *queue, struct mp_cmd *cmd) +{ + struct mp_cmd **p_prev = &queue->first; + while (*p_prev) + p_prev = &(*p_prev)->queue_next; + *p_prev = cmd; + cmd->queue_next = NULL; +} + +static struct mp_cmd *queue_peek_tail(struct cmd_queue *queue) +{ + struct mp_cmd *cur = queue->first; + while (cur && cur->queue_next) + cur = cur->queue_next; + return cur; +} + +static void append_bind_info(struct input_ctx *ictx, char **pmsg, + struct cmd_bind *bind) +{ + char *msg = *pmsg; + struct mp_cmd *cmd = mp_input_parse_cmd(ictx, bstr0(bind->cmd), + bind->location); + char *stripped = cmd ? cmd->original : bind->cmd; + msg = talloc_asprintf_append(msg, " '%s'", stripped); + if (!cmd) + msg = talloc_asprintf_append(msg, " (invalid)"); + if (strcmp(bind->owner->section, "default") != 0) + msg = talloc_asprintf_append(msg, " in section {%s}", + bind->owner->section); + msg = talloc_asprintf_append(msg, " in %s", bind->location); + if (bind->is_builtin) + msg = talloc_asprintf_append(msg, " (default)"); + talloc_free(cmd); + *pmsg = msg; +} + +static mp_cmd_t *handle_test(struct input_ctx *ictx, int code) +{ + if (code == MP_KEY_CLOSE_WIN) { + MP_WARN(ictx, + "CLOSE_WIN was received. This pseudo key can be remapped too,\n" + "but --input-test will always quit when receiving it.\n"); + const char *args[] = {"quit", NULL}; + mp_cmd_t *res = mp_input_parse_cmd_strv(ictx->log, args); + return res; + } + + char *key_buf = mp_input_get_key_combo_name(&code, 1); + char *msg = talloc_asprintf(NULL, "Key %s is bound to:\n", key_buf); + talloc_free(key_buf); + + int count = 0; + for (int n = 0; n < ictx->num_sections; n++) { + struct cmd_bind_section *bs = ictx->sections[n]; + + for (int i = 0; i < bs->num_binds; i++) { + if (bs->binds[i].num_keys && bs->binds[i].keys[0] == code) { + count++; + if (count > 1) + msg = talloc_asprintf_append(msg, "\n"); + msg = talloc_asprintf_append(msg, "%d. ", count); + append_bind_info(ictx, &msg, &bs->binds[i]); + } + } + } + + if (!count) + msg = talloc_asprintf_append(msg, "(nothing)"); + + MP_INFO(ictx, "%s\n", msg); + const char *args[] = {"show-text", msg, NULL}; + mp_cmd_t *res = mp_input_parse_cmd_strv(ictx->log, args); + talloc_free(msg); + return res; +} + +static struct cmd_bind_section *find_section(struct input_ctx *ictx, + bstr section) +{ + for (int n = 0; n < ictx->num_sections; n++) { + struct cmd_bind_section *bs = ictx->sections[n]; + if (bstr_equals0(section, bs->section)) + return bs; + } + return NULL; +} + +static struct cmd_bind_section *get_bind_section(struct input_ctx *ictx, + bstr section) +{ + if (section.len == 0) + section = bstr0("default"); + struct cmd_bind_section *bind_section = find_section(ictx, section); + if (bind_section) + return bind_section; + bind_section = talloc_ptrtype(ictx, bind_section); + *bind_section = (struct cmd_bind_section) { + .section = bstrdup0(bind_section, section), + .mouse_area = {INT_MIN, INT_MIN, INT_MAX, INT_MAX}, + .mouse_area_set = true, + }; + MP_TARRAY_APPEND(ictx, ictx->sections, ictx->num_sections, bind_section); + return bind_section; +} + +static void key_buf_add(int *buf, int code) +{ + for (int n = MP_MAX_KEY_DOWN - 1; n > 0; n--) + buf[n] = buf[n - 1]; + buf[0] = code; +} + +static struct cmd_bind *find_bind_for_key_section(struct input_ctx *ictx, + char *section, int code) +{ + struct cmd_bind_section *bs = get_bind_section(ictx, bstr0(section)); + + if (!bs->num_binds) + return NULL; + + int keys[MP_MAX_KEY_DOWN]; + memcpy(keys, ictx->key_history, sizeof(keys)); + key_buf_add(keys, code); + + struct cmd_bind *best = NULL; + + // Prefer user-defined keys over builtin bindings + for (int builtin = 0; builtin < 2; builtin++) { + if (builtin && !ictx->opts->default_bindings) + break; + if (best) + break; + for (int n = 0; n < bs->num_binds; n++) { + if (bs->binds[n].is_builtin == (bool)builtin) { + struct cmd_bind *b = &bs->binds[n]; + // we have: keys=[key2 key1 keyX ...] + // and: b->keys=[key1 key2] (and may be just a prefix) + for (int i = 0; i < b->num_keys; i++) { + if (b->keys[i] != keys[b->num_keys - 1 - i]) + goto skip; + } + if (!best || b->num_keys >= best->num_keys) + best = b; + skip: ; + } + } + } + return best; +} + +static struct cmd_bind *find_any_bind_for_key(struct input_ctx *ictx, + char *force_section, int code) +{ + if (force_section) + return find_bind_for_key_section(ictx, force_section, code); + + bool use_mouse = MP_KEY_DEPENDS_ON_MOUSE_POS(code); + + // First look whether a mouse section is capturing all mouse input + // exclusively (regardless of the active section stack order). + if (use_mouse && MP_KEY_IS_MOUSE_BTN_SINGLE(ictx->last_key_down)) { + struct cmd_bind *bind = + find_bind_for_key_section(ictx, ictx->mouse_section, code); + if (bind) + return bind; + } + + struct cmd_bind *best_bind = NULL; + for (int i = ictx->num_active_sections - 1; i >= 0; i--) { + struct active_section *s = &ictx->active_sections[i]; + struct cmd_bind *bind = find_bind_for_key_section(ictx, s->name, code); + if (bind) { + struct cmd_bind_section *bs = bind->owner; + if (!use_mouse || (bs->mouse_area_set && test_rect(&bs->mouse_area, + ictx->mouse_vo_x, + ictx->mouse_vo_y))) + { + if (!best_bind || (best_bind->is_builtin && !bind->is_builtin)) + best_bind = bind; + } + } + if (s->flags & MP_INPUT_EXCLUSIVE) + break; + if (best_bind && (s->flags & MP_INPUT_ON_TOP)) + break; + } + + return best_bind; +} + +static mp_cmd_t *get_cmd_from_keys(struct input_ctx *ictx, char *force_section, + int code) +{ + if (ictx->opts->test) + return handle_test(ictx, code); + + struct cmd_bind *cmd = NULL; + + if (MP_KEY_IS_UNICODE(code)) + cmd = find_any_bind_for_key(ictx, force_section, MP_KEY_ANY_UNICODE); + if (!cmd) + cmd = find_any_bind_for_key(ictx, force_section, code); + if (!cmd) + cmd = find_any_bind_for_key(ictx, force_section, MP_KEY_UNMAPPED); + if (!cmd) { + if (code == MP_KEY_CLOSE_WIN) + return mp_input_parse_cmd_strv(ictx->log, (const char*[]){"quit", 0}); + int msgl = MSGL_WARN; + if (MP_KEY_IS_MOUSE_MOVE(code)) + msgl = MSGL_TRACE; + char *key_buf = mp_input_get_key_combo_name(&code, 1); + MP_MSG(ictx, msgl, "No key binding found for key '%s'.\n", key_buf); + talloc_free(key_buf); + return NULL; + } + mp_cmd_t *ret = mp_input_parse_cmd(ictx, bstr0(cmd->cmd), cmd->location); + if (ret) { + ret->input_section = cmd->owner->section; + ret->key_name = talloc_steal(ret, mp_input_get_key_combo_name(&code, 1)); + MP_TRACE(ictx, "key '%s' -> '%s' in '%s'\n", + ret->key_name, cmd->cmd, ret->input_section); + if (MP_KEY_IS_UNICODE(code)) { + bstr text = {0}; + mp_append_utf8_bstr(ret, &text, code); + ret->key_text = text.start; + } + ret->is_mouse_button = code & MP_KEY_EMIT_ON_UP; + } else { + char *key_buf = mp_input_get_key_combo_name(&code, 1); + MP_ERR(ictx, "Invalid command for key binding '%s': '%s'\n", + key_buf, cmd->cmd); + talloc_free(key_buf); + } + return ret; +} + +static void update_mouse_section(struct input_ctx *ictx) +{ + struct cmd_bind *bind = + find_any_bind_for_key(ictx, NULL, MP_KEY_MOUSE_MOVE); + + char *new_section = bind ? bind->owner->section : "default"; + + char *old = ictx->mouse_section; + ictx->mouse_section = new_section; + + if (strcmp(old, ictx->mouse_section) != 0) { + MP_TRACE(ictx, "input: switch section %s -> %s\n", + old, ictx->mouse_section); + mp_input_queue_cmd(ictx, get_cmd_from_keys(ictx, old, MP_KEY_MOUSE_LEAVE)); + } +} + +// Called when the currently held-down key is released. This (usually) sends +// the a key-up version of the command associated with the keys that were held +// down. +// If the drop_current parameter is set to true, then don't send the key-up +// command. Unless we've already sent a key-down event, in which case the +// input receiver (the player) must get a key-up event, or it would get stuck +// thinking a key is still held down. +static void release_down_cmd(struct input_ctx *ictx, bool drop_current) +{ + if (ictx->current_down_cmd && ictx->current_down_cmd->emit_on_up && + (!drop_current || ictx->current_down_cmd->def->on_updown)) + { + memset(ictx->key_history, 0, sizeof(ictx->key_history)); + ictx->current_down_cmd->is_up = true; + mp_input_queue_cmd(ictx, ictx->current_down_cmd); + } else { + talloc_free(ictx->current_down_cmd); + } + ictx->current_down_cmd = NULL; + ictx->last_key_down = 0; + ictx->last_key_down_time = 0; + ictx->ar_state = -1; + update_mouse_section(ictx); +} + +// We don't want the append to the command queue indefinitely, because that +// could lead to situations where recovery would take too long. +static bool should_drop_cmd(struct input_ctx *ictx, struct mp_cmd *cmd) +{ + struct cmd_queue *queue = &ictx->cmd_queue; + return queue_count_cmds(queue) >= ictx->opts->key_fifo_size; +} + +static struct mp_cmd *resolve_key(struct input_ctx *ictx, int code) +{ + update_mouse_section(ictx); + struct mp_cmd *cmd = get_cmd_from_keys(ictx, NULL, code); + key_buf_add(ictx->key_history, code); + if (cmd && !cmd->def->is_ignore && !should_drop_cmd(ictx, cmd)) + return cmd; + talloc_free(cmd); + return NULL; +} + +static void interpret_key(struct input_ctx *ictx, int code, double scale, + int scale_units) +{ + int state = code & (MP_KEY_STATE_DOWN | MP_KEY_STATE_UP); + code = code & ~(unsigned)state; + + if (mp_msg_test(ictx->log, MSGL_TRACE)) { + char *key = mp_input_get_key_name(code); + MP_TRACE(ictx, "key code=%#x '%s'%s%s\n", + code, key, (state & MP_KEY_STATE_DOWN) ? " down" : "", + (state & MP_KEY_STATE_UP) ? " up" : ""); + talloc_free(key); + } + + if (MP_KEY_DEPENDS_ON_MOUSE_POS(code & ~MP_KEY_MODIFIER_MASK)) { + ictx->mouse_event_counter++; + mp_input_wakeup(ictx); + } + + struct mp_cmd *cmd = NULL; + + if (state == MP_KEY_STATE_DOWN) { + // Protect against VOs which send STATE_DOWN with autorepeat + if (ictx->last_key_down == code) + return; + // Cancel current down-event (there can be only one) + release_down_cmd(ictx, true); + cmd = resolve_key(ictx, code); + if (cmd) { + cmd->is_up_down = true; + cmd->emit_on_up = (code & MP_KEY_EMIT_ON_UP) || cmd->def->on_updown; + ictx->current_down_cmd = mp_cmd_clone(cmd); + } + ictx->last_key_down = code; + ictx->last_key_down_time = mp_time_ns(); + ictx->ar_state = 0; + mp_input_wakeup(ictx); // possibly start timer for autorepeat + } else if (state == MP_KEY_STATE_UP) { + // Most VOs send RELEASE_ALL anyway + release_down_cmd(ictx, false); + } else { + // Press of key with no separate down/up events + // Mixing press events and up/down with the same key is not supported, + // and input sources shouldn't do this, but can happen anyway if + // multiple input sources interfere with each others. + if (ictx->last_key_down == code) + release_down_cmd(ictx, false); + cmd = resolve_key(ictx, code); + } + + if (!cmd) + return; + + // Don't emit a command on key-down if the key is designed to emit commands + // on key-up (like mouse buttons). Also, if the command specifically should + // be sent both on key down and key up, still emit the command. + if (cmd->emit_on_up && !cmd->def->on_updown) { + talloc_free(cmd); + return; + } + + memset(ictx->key_history, 0, sizeof(ictx->key_history)); + + if (mp_input_is_scalable_cmd(cmd)) { + cmd->scale = scale; + cmd->scale_units = scale_units; + mp_input_queue_cmd(ictx, cmd); + } else { + // Non-scalable commands won't understand cmd->scale, so synthesize + // multiple commands with cmd->scale = 1 + cmd->scale = 1; + cmd->scale_units = 1; + // Avoid spamming the player with too many commands + scale_units = MPMIN(scale_units, 20); + for (int i = 0; i < scale_units - 1; i++) + mp_input_queue_cmd(ictx, mp_cmd_clone(cmd)); + if (scale_units) + mp_input_queue_cmd(ictx, cmd); + } +} + +// Pre-processing for MP_WHEEL_* events. If this returns false, the caller +// should discard the event. +static bool process_wheel(struct input_ctx *ictx, int code, double *scale, + int *scale_units) +{ + // Size of the deadzone in scroll units. The user must scroll at least this + // much in any direction before their scroll is registered. + static const double DEADZONE_DIST = 0.125; + // The deadzone accumulator is reset if no scrolls happened in this many + // seconds, eg. the user is assumed to have finished scrolling. + static const double DEADZONE_SCROLL_TIME = 0.2; + // The scale_units accumulator is reset if no scrolls happened in this many + // seconds. This value should be fairly large, so commands will still be + // sent when the user scrolls slowly. + static const double UNIT_SCROLL_TIME = 0.5; + + // Determine which direction is being scrolled + double dir; + struct wheel_state *state; + switch (code) { + case MP_WHEEL_UP: dir = -1; state = &ictx->wheel_state_y; break; + case MP_WHEEL_DOWN: dir = +1; state = &ictx->wheel_state_y; break; + case MP_WHEEL_LEFT: dir = -1; state = &ictx->wheel_state_x; break; + case MP_WHEEL_RIGHT: dir = +1; state = &ictx->wheel_state_x; break; + default: + return true; + } + + // Reset accumulators if it's determined that the user finished scrolling + double now = mp_time_sec(); + if (now > ictx->last_wheel_time + DEADZONE_SCROLL_TIME) { + ictx->wheel_current = NULL; + ictx->wheel_state_y.dead_zone_accum = 0; + ictx->wheel_state_x.dead_zone_accum = 0; + } + if (now > ictx->last_wheel_time + UNIT_SCROLL_TIME) { + ictx->wheel_state_y.unit_accum = 0; + ictx->wheel_state_x.unit_accum = 0; + } + ictx->last_wheel_time = now; + + // Process wheel deadzone. A lot of touchpad drivers don't filter scroll + // input, which makes it difficult for the user to send WHEEL_UP/DOWN + // without accidentally triggering WHEEL_LEFT/RIGHT. We try to fix this by + // implementing a deadzone. When the value of either direction breaks out + // of the deadzone, events from the other direction will be ignored until + // the user finishes scrolling. + if (ictx->wheel_current == NULL) { + state->dead_zone_accum += *scale * dir; + if (state->dead_zone_accum * dir > DEADZONE_DIST) { + ictx->wheel_current = state; + *scale = state->dead_zone_accum * dir; + } + } + if (ictx->wheel_current != state) + return false; + + // Determine scale_units. This is incremented every time the accumulated + // scale value crosses 1.0. Non-scalable input commands will be ran that + // many times. + state->unit_accum += *scale * dir; + *scale_units = trunc(state->unit_accum * dir); + state->unit_accum -= *scale_units * dir; + return true; +} + +static void mp_input_feed_key(struct input_ctx *ictx, int code, double scale, + bool force_mouse) +{ + struct input_opts *opts = ictx->opts; + + code = mp_normalize_keycode(code); + int unmod = code & ~MP_KEY_MODIFIER_MASK; + if (code == MP_INPUT_RELEASE_ALL) { + MP_TRACE(ictx, "release all\n"); + release_down_cmd(ictx, false); + return; + } + if (!opts->enable_mouse_movements && MP_KEY_IS_MOUSE(unmod) && !force_mouse) + return; + if (unmod == MP_KEY_MOUSE_LEAVE || unmod == MP_KEY_MOUSE_ENTER) { + ictx->mouse_hover = unmod == MP_KEY_MOUSE_ENTER; + update_mouse_section(ictx); + + mp_cmd_t *cmd = get_cmd_from_keys(ictx, NULL, code); + if (!cmd) // queue dummy cmd so that mouse-pos can notify observers + cmd = mp_input_parse_cmd(ictx, bstr0("ignore"), "<internal>"); + mp_input_queue_cmd(ictx, cmd); + return; + } + double now = mp_time_sec(); + // ignore system-doubleclick if we generate these events ourselves + if (!force_mouse && opts->doubleclick_time && MP_KEY_IS_MOUSE_BTN_DBL(unmod)) + return; + int units = 1; + if (MP_KEY_IS_WHEEL(unmod) && !process_wheel(ictx, unmod, &scale, &units)) + return; + interpret_key(ictx, code, scale, units); + if (code & MP_KEY_STATE_DOWN) { + code &= ~MP_KEY_STATE_DOWN; + if (ictx->last_doubleclick_key_down == code && + now - ictx->last_doubleclick_time < opts->doubleclick_time / 1000.0) + { + if (code >= MP_MBTN_LEFT && code <= MP_MBTN_RIGHT) { + interpret_key(ictx, code - MP_MBTN_BASE + MP_MBTN_DBL_BASE, + 1, 1); + } + } + ictx->last_doubleclick_key_down = code; + ictx->last_doubleclick_time = now; + } +} + +void mp_input_put_key(struct input_ctx *ictx, int code) +{ + input_lock(ictx); + mp_input_feed_key(ictx, code, 1, false); + input_unlock(ictx); +} + +void mp_input_put_key_artificial(struct input_ctx *ictx, int code) +{ + input_lock(ictx); + mp_input_feed_key(ictx, code, 1, true); + input_unlock(ictx); +} + +void mp_input_put_key_utf8(struct input_ctx *ictx, int mods, struct bstr t) +{ + while (t.len) { + int code = bstr_decode_utf8(t, &t); + if (code < 0) + break; + mp_input_put_key(ictx, code | mods); + } +} + +void mp_input_put_wheel(struct input_ctx *ictx, int direction, double value) +{ + if (value == 0.0) + return; + input_lock(ictx); + mp_input_feed_key(ictx, direction, value, false); + input_unlock(ictx); +} + +void mp_input_set_mouse_transform(struct input_ctx *ictx, struct mp_rect *dst, + struct mp_rect *src) +{ + input_lock(ictx); + ictx->mouse_mangle = dst || src; + if (ictx->mouse_mangle) { + ictx->mouse_dst = *dst; + ictx->mouse_src_mangle = !!src; + if (ictx->mouse_src_mangle) + ictx->mouse_src = *src; + } + input_unlock(ictx); +} + +bool mp_input_mouse_enabled(struct input_ctx *ictx) +{ + input_lock(ictx); + bool r = ictx->opts->enable_mouse_movements; + input_unlock(ictx); + return r; +} + +bool mp_input_vo_keyboard_enabled(struct input_ctx *ictx) +{ + input_lock(ictx); + bool r = ictx->opts->vo_key_input; + input_unlock(ictx); + return r; +} + +void mp_input_set_mouse_pos(struct input_ctx *ictx, int x, int y) +{ + input_lock(ictx); + if (ictx->opts->enable_mouse_movements) + mp_input_set_mouse_pos_artificial(ictx, x, y); + input_unlock(ictx); +} + +void mp_input_set_mouse_pos_artificial(struct input_ctx *ictx, int x, int y) +{ + input_lock(ictx); + MP_TRACE(ictx, "mouse move %d/%d\n", x, y); + + if (ictx->mouse_vo_x == x && ictx->mouse_vo_y == y) { + input_unlock(ictx); + return; + } + + if (ictx->mouse_mangle) { + struct mp_rect *src = &ictx->mouse_src; + struct mp_rect *dst = &ictx->mouse_dst; + x = MPCLAMP(x, dst->x0, dst->x1) - dst->x0; + y = MPCLAMP(y, dst->y0, dst->y1) - dst->y0; + if (ictx->mouse_src_mangle) { + x = x * 1.0 / (dst->x1 - dst->x0) * (src->x1 - src->x0) + src->x0; + y = y * 1.0 / (dst->y1 - dst->y0) * (src->y1 - src->y0) + src->y0; + } + MP_TRACE(ictx, "-> %d/%d\n", x, y); + } + + ictx->mouse_event_counter++; + ictx->mouse_vo_x = x; + ictx->mouse_vo_y = y; + + update_mouse_section(ictx); + struct mp_cmd *cmd = get_cmd_from_keys(ictx, NULL, MP_KEY_MOUSE_MOVE); + if (!cmd) + cmd = mp_input_parse_cmd(ictx, bstr0("ignore"), "<internal>"); + + if (cmd) { + cmd->mouse_move = true; + cmd->mouse_x = x; + cmd->mouse_y = y; + if (should_drop_cmd(ictx, cmd)) { + talloc_free(cmd); + } else { + // Coalesce with previous mouse move events (i.e. replace it) + struct mp_cmd *tail = queue_peek_tail(&ictx->cmd_queue); + if (tail && tail->mouse_move) { + queue_remove(&ictx->cmd_queue, tail); + talloc_free(tail); + } + mp_input_queue_cmd(ictx, cmd); + } + } + input_unlock(ictx); +} + +unsigned int mp_input_get_mouse_event_counter(struct input_ctx *ictx) +{ + // Make the frontend always display the mouse cursor (as long as it's not + // forced invisible) if mouse input is desired. + input_lock(ictx); + if (mp_input_test_mouse_active(ictx, ictx->mouse_x, ictx->mouse_y)) + ictx->mouse_event_counter++; + int ret = ictx->mouse_event_counter; + input_unlock(ictx); + return ret; +} + +// adjust min time to wait until next repeat event +static void adjust_max_wait_time(struct input_ctx *ictx, double *time) +{ + struct input_opts *opts = ictx->opts; + if (ictx->last_key_down && opts->ar_rate > 0 && ictx->ar_state >= 0) { + *time = MPMIN(*time, 1.0 / opts->ar_rate); + *time = MPMIN(*time, opts->ar_delay / 1000.0); + } +} + +int mp_input_queue_cmd(struct input_ctx *ictx, mp_cmd_t *cmd) +{ + input_lock(ictx); + if (cmd) { + queue_add_tail(&ictx->cmd_queue, cmd); + mp_input_wakeup(ictx); + } + input_unlock(ictx); + return 1; +} + +static mp_cmd_t *check_autorepeat(struct input_ctx *ictx) +{ + struct input_opts *opts = ictx->opts; + + // No input : autorepeat ? + if (opts->ar_rate <= 0 || !ictx->current_down_cmd || !ictx->last_key_down || + (ictx->last_key_down & MP_NO_REPEAT_KEY) || + !mp_input_is_repeatable_cmd(ictx->current_down_cmd)) + ictx->ar_state = -1; // disable + + if (ictx->ar_state >= 0) { + int64_t t = mp_time_ns(); + if (ictx->last_ar + MP_TIME_S_TO_NS(2) < t) + ictx->last_ar = t; + // First time : wait delay + if (ictx->ar_state == 0 + && (t - ictx->last_key_down_time) >= MP_TIME_MS_TO_NS(opts->ar_delay)) + { + ictx->ar_state = 1; + ictx->last_ar = ictx->last_key_down_time + MP_TIME_MS_TO_NS(opts->ar_delay); + // Then send rate / sec event + } else if (ictx->ar_state == 1 + && (t - ictx->last_ar) >= 1e9 / opts->ar_rate) { + ictx->last_ar += 1e9 / opts->ar_rate; + } else { + return NULL; + } + struct mp_cmd *ret = mp_cmd_clone(ictx->current_down_cmd); + ret->repeated = true; + return ret; + } + return NULL; +} + +double mp_input_get_delay(struct input_ctx *ictx) +{ + input_lock(ictx); + double seconds = INFINITY; + adjust_max_wait_time(ictx, &seconds); + input_unlock(ictx); + return seconds; +} + +void mp_input_wakeup(struct input_ctx *ictx) +{ + ictx->wakeup_cb(ictx->wakeup_ctx); +} + +mp_cmd_t *mp_input_read_cmd(struct input_ctx *ictx) +{ + input_lock(ictx); + struct mp_cmd *ret = queue_remove_head(&ictx->cmd_queue); + if (!ret) + ret = check_autorepeat(ictx); + if (ret && ret->mouse_move) { + ictx->mouse_x = ret->mouse_x; + ictx->mouse_y = ret->mouse_y; + } + input_unlock(ictx); + return ret; +} + +void mp_input_get_mouse_pos(struct input_ctx *ictx, int *x, int *y, int *hover) +{ + input_lock(ictx); + *x = ictx->mouse_x; + *y = ictx->mouse_y; + *hover = ictx->mouse_hover; + input_unlock(ictx); +} + +// If name is NULL, return "default". +// Return a statically allocated name of the section (i.e. return value never +// gets deallocated). +static char *normalize_section(struct input_ctx *ictx, char *name) +{ + return get_bind_section(ictx, bstr0(name))->section; +} + +void mp_input_disable_section(struct input_ctx *ictx, char *name) +{ + input_lock(ictx); + name = normalize_section(ictx, name); + + // Remove old section, or make sure it's on top if re-enabled + for (int i = ictx->num_active_sections - 1; i >= 0; i--) { + struct active_section *as = &ictx->active_sections[i]; + if (strcmp(as->name, name) == 0) { + MP_TARRAY_REMOVE_AT(ictx->active_sections, + ictx->num_active_sections, i); + } + } + input_unlock(ictx); +} + +void mp_input_enable_section(struct input_ctx *ictx, char *name, int flags) +{ + input_lock(ictx); + name = normalize_section(ictx, name); + + mp_input_disable_section(ictx, name); + + MP_TRACE(ictx, "enable section '%s'\n", name); + + if (ictx->num_active_sections < MAX_ACTIVE_SECTIONS) { + int top = ictx->num_active_sections; + if (!(flags & MP_INPUT_ON_TOP)) { + // insert before the first top entry + for (top = 0; top < ictx->num_active_sections; top++) { + if (ictx->active_sections[top].flags & MP_INPUT_ON_TOP) + break; + } + for (int n = ictx->num_active_sections; n > top; n--) + ictx->active_sections[n] = ictx->active_sections[n - 1]; + } + ictx->active_sections[top] = (struct active_section){name, flags}; + ictx->num_active_sections++; + } + + MP_TRACE(ictx, "active section stack:\n"); + for (int n = 0; n < ictx->num_active_sections; n++) { + MP_TRACE(ictx, " %s %d\n", ictx->active_sections[n].name, + ictx->active_sections[n].flags); + } + + input_unlock(ictx); +} + +void mp_input_disable_all_sections(struct input_ctx *ictx) +{ + input_lock(ictx); + ictx->num_active_sections = 0; + input_unlock(ictx); +} + +void mp_input_set_section_mouse_area(struct input_ctx *ictx, char *name, + int x0, int y0, int x1, int y1) +{ + input_lock(ictx); + struct cmd_bind_section *s = get_bind_section(ictx, bstr0(name)); + s->mouse_area = (struct mp_rect){x0, y0, x1, y1}; + s->mouse_area_set = x0 != x1 && y0 != y1; + input_unlock(ictx); +} + +static bool test_mouse(struct input_ctx *ictx, int x, int y, int rej_flags) +{ + input_lock(ictx); + bool res = false; + for (int i = 0; i < ictx->num_active_sections; i++) { + struct active_section *as = &ictx->active_sections[i]; + if (as->flags & rej_flags) + continue; + struct cmd_bind_section *s = get_bind_section(ictx, bstr0(as->name)); + if (s->mouse_area_set && test_rect(&s->mouse_area, x, y)) { + res = true; + break; + } + } + input_unlock(ictx); + return res; +} + +bool mp_input_test_mouse_active(struct input_ctx *ictx, int x, int y) +{ + return test_mouse(ictx, x, y, MP_INPUT_ALLOW_HIDE_CURSOR); +} + +bool mp_input_test_dragging(struct input_ctx *ictx, int x, int y) +{ + input_lock(ictx); + bool r = !ictx->opts->allow_win_drag || + test_mouse(ictx, x, y, MP_INPUT_ALLOW_VO_DRAGGING); + input_unlock(ictx); + return r; +} + +static void bind_dealloc(struct cmd_bind *bind) +{ + talloc_free(bind->cmd); + talloc_free(bind->location); + talloc_free(bind->desc); +} + +// builtin: if true, remove all builtin binds, else remove all user binds +static void remove_binds(struct cmd_bind_section *bs, bool builtin) +{ + for (int n = bs->num_binds - 1; n >= 0; n--) { + if (bs->binds[n].is_builtin == builtin) { + bind_dealloc(&bs->binds[n]); + assert(bs->num_binds >= 1); + bs->binds[n] = bs->binds[bs->num_binds - 1]; + bs->num_binds--; + } + } +} + +void mp_input_define_section(struct input_ctx *ictx, char *name, char *location, + char *contents, bool builtin, char *owner) +{ + if (!name || !name[0]) + return; // parse_config() changes semantics with restrict_section==empty + input_lock(ictx); + // Delete: + struct cmd_bind_section *bs = get_bind_section(ictx, bstr0(name)); + if ((!bs->owner || (owner && strcmp(bs->owner, owner) != 0)) && + strcmp(bs->section, "default") != 0) + { + talloc_free(bs->owner); + bs->owner = talloc_strdup(bs, owner); + } + remove_binds(bs, builtin); + if (contents && contents[0]) { + // Redefine: + parse_config(ictx, builtin, bstr0(contents), location, name); + } else { + // Disable: + mp_input_disable_section(ictx, name); + } + input_unlock(ictx); +} + +void mp_input_remove_sections_by_owner(struct input_ctx *ictx, char *owner) +{ + input_lock(ictx); + for (int n = 0; n < ictx->num_sections; n++) { + struct cmd_bind_section *bs = ictx->sections[n]; + if (bs->owner && owner && strcmp(bs->owner, owner) == 0) { + mp_input_disable_section(ictx, bs->section); + remove_binds(bs, false); + remove_binds(bs, true); + } + } + input_unlock(ictx); +} + +static bool bind_matches_key(struct cmd_bind *bind, int num_keys, const int *keys) +{ + if (bind->num_keys != num_keys) + return false; + for (int i = 0; i < num_keys; i++) { + if (bind->keys[i] != keys[i]) + return false; + } + return true; +} + +static void bind_keys(struct input_ctx *ictx, bool builtin, bstr section, + const int *keys, int num_keys, bstr command, + const char *loc, const char *desc) +{ + struct cmd_bind_section *bs = get_bind_section(ictx, section); + struct cmd_bind *bind = NULL; + + assert(num_keys <= MP_MAX_KEY_DOWN); + + for (int n = 0; n < bs->num_binds; n++) { + struct cmd_bind *b = &bs->binds[n]; + if (bind_matches_key(b, num_keys, keys) && b->is_builtin == builtin) { + bind = b; + break; + } + } + + if (!bind) { + struct cmd_bind empty = {{0}}; + MP_TARRAY_APPEND(bs, bs->binds, bs->num_binds, empty); + bind = &bs->binds[bs->num_binds - 1]; + } + + bind_dealloc(bind); + + *bind = (struct cmd_bind) { + .cmd = bstrdup0(bs->binds, command), + .location = talloc_strdup(bs->binds, loc), + .desc = talloc_strdup(bs->binds, desc), + .owner = bs, + .is_builtin = builtin, + .num_keys = num_keys, + }; + memcpy(bind->keys, keys, num_keys * sizeof(bind->keys[0])); + if (mp_msg_test(ictx->log, MSGL_DEBUG)) { + char *s = mp_input_get_key_combo_name(keys, num_keys); + MP_TRACE(ictx, "add: section='%s' key='%s'%s cmd='%s' location='%s'\n", + bind->owner->section, s, bind->is_builtin ? " builtin" : "", + bind->cmd, bind->location); + talloc_free(s); + } +} + +// restrict_section: every entry is forced to this section name +// if NULL, load normally and allow any sections +static int parse_config(struct input_ctx *ictx, bool builtin, bstr data, + const char *location, const char *restrict_section) +{ + int n_binds = 0; + int line_no = 0; + char *cur_loc = NULL; + + while (data.len) { + line_no++; + if (cur_loc) + talloc_free(cur_loc); + cur_loc = talloc_asprintf(NULL, "%s:%d", location, line_no); + + bstr line = bstr_strip_linebreaks(bstr_getline(data, &data)); + line = bstr_lstrip(line); + if (line.len == 0 || bstr_startswith0(line, "#")) + continue; + if (bstr_eatstart0(&line, "default-bindings ")) { + bstr orig = line; + bstr_split_tok(line, "#", &line, &(bstr){0}); + line = bstr_strip(line); + if (bstr_equals0(line, "start")) { + builtin = true; + } else { + MP_ERR(ictx, "Broken line: %.*s at %s\n", BSTR_P(orig), cur_loc); + } + continue; + } + struct bstr command; + // Find the key name starting a line + struct bstr keyname = bstr_split(line, WHITESPACE, &command); + command = bstr_strip(command); + if (command.len == 0) { + MP_ERR(ictx, "Unfinished key binding: %.*s at %s\n", BSTR_P(line), + cur_loc); + continue; + } + char *name = bstrdup0(NULL, keyname); + int keys[MP_MAX_KEY_DOWN]; + int num_keys = 0; + if (!mp_input_get_keys_from_string(name, MP_MAX_KEY_DOWN, &num_keys, keys)) + { + talloc_free(name); + MP_ERR(ictx, "Unknown key '%.*s' at %s\n", BSTR_P(keyname), cur_loc); + continue; + } + talloc_free(name); + + bstr section = bstr0(restrict_section); + if (!section.len) { + if (bstr_startswith0(command, "{")) { + int p = bstrchr(command, '}'); + if (p != -1) { + section = bstr_strip(bstr_splice(command, 1, p)); + command = bstr_lstrip(bstr_cut(command, p + 1)); + } + } + } + + // Print warnings if invalid commands are encountered. + struct mp_cmd *cmd = mp_input_parse_cmd(ictx, command, cur_loc); + const char *desc = NULL; + if (cmd) { + desc = cmd->desc; + command = bstr0(cmd->original); + } + + bind_keys(ictx, builtin, section, keys, num_keys, command, cur_loc, desc); + n_binds++; + + talloc_free(cmd); + } + + talloc_free(cur_loc); + + return n_binds; +} + +static int parse_config_file(struct input_ctx *ictx, char *file, bool warn) +{ + int r = 0; + void *tmp = talloc_new(NULL); + stream_t *s = NULL; + + file = mp_get_user_path(tmp, ictx->global, file); + + s = stream_create(file, STREAM_ORIGIN_DIRECT | STREAM_READ, NULL, ictx->global); + if (!s) { + MP_ERR(ictx, "Can't open input config file %s.\n", file); + goto done; + } + stream_skip_bom(s); + bstr data = stream_read_complete(s, tmp, 1000000); + if (data.start) { + MP_VERBOSE(ictx, "Parsing input config file %s\n", file); + int num = parse_config(ictx, false, data, file, NULL); + MP_VERBOSE(ictx, "Input config file %s parsed: %d binds\n", file, num); + r = 1; + } else { + MP_ERR(ictx, "Error reading input config file %s\n", file); + } + +done: + free_stream(s); + talloc_free(tmp); + return r; +} + +struct input_ctx *mp_input_init(struct mpv_global *global, + void (*wakeup_cb)(void *ctx), + void *wakeup_ctx) +{ + + struct input_ctx *ictx = talloc_ptrtype(NULL, ictx); + *ictx = (struct input_ctx){ + .global = global, + .ar_state = -1, + .log = mp_log_new(ictx, global->log, "input"), + .mouse_section = "default", + .opts_cache = m_config_cache_alloc(ictx, global, &input_config), + .wakeup_cb = wakeup_cb, + .wakeup_ctx = wakeup_ctx, + }; + + ictx->opts = ictx->opts_cache->opts; + + mp_mutex_init_type(&ictx->mutex, MP_MUTEX_RECURSIVE); + + // Setup default section, so that it does nothing. + mp_input_enable_section(ictx, NULL, MP_INPUT_ALLOW_VO_DRAGGING | + MP_INPUT_ALLOW_HIDE_CURSOR); + + return ictx; +} + +static void reload_opts(struct input_ctx *ictx, bool shutdown) +{ + m_config_cache_update(ictx->opts_cache); + +#if HAVE_COCOA + struct input_opts *opts = ictx->opts; + + if (ictx->using_cocoa_media_keys != (opts->use_media_keys && !shutdown)) { + ictx->using_cocoa_media_keys = !ictx->using_cocoa_media_keys; + if (ictx->using_cocoa_media_keys) { + cocoa_init_media_keys(); + } else { + cocoa_uninit_media_keys(); + } + } +#endif +} + +void mp_input_update_opts(struct input_ctx *ictx) +{ + input_lock(ictx); + reload_opts(ictx, false); + input_unlock(ictx); +} + +void mp_input_load_config(struct input_ctx *ictx) +{ + input_lock(ictx); + + reload_opts(ictx, false); + + // "Uncomment" the default key bindings in etc/input.conf and add them. + // All lines that do not start with '# ' are parsed. + bstr builtin = bstr0(builtin_input_conf); + while (ictx->opts->builtin_bindings && builtin.len) { + bstr line = bstr_getline(builtin, &builtin); + bstr_eatstart0(&line, "#"); + if (!bstr_startswith0(line, " ")) + parse_config(ictx, true, line, "<builtin>", NULL); + } + + bool config_ok = false; + if (ictx->opts->config_file && ictx->opts->config_file[0]) + config_ok = parse_config_file(ictx, ictx->opts->config_file, true); + if (!config_ok) { + // Try global conf dir + void *tmp = talloc_new(NULL); + char **files = mp_find_all_config_files(tmp, ictx->global, "input.conf"); + for (int n = 0; files && files[n]; n++) + parse_config_file(ictx, files[n], false); + talloc_free(tmp); + } + +#if HAVE_SDL2_GAMEPAD + if (ictx->opts->use_gamepad) { + mp_input_sdl_gamepad_add(ictx); + } +#endif + + input_unlock(ictx); +} + +static void clear_queue(struct cmd_queue *queue) +{ + while (queue->first) { + struct mp_cmd *item = queue->first; + queue_remove(queue, item); + talloc_free(item); + } +} + +void mp_input_uninit(struct input_ctx *ictx) +{ + if (!ictx) + return; + + input_lock(ictx); + reload_opts(ictx, true); + input_unlock(ictx); + + close_input_sources(ictx); + clear_queue(&ictx->cmd_queue); + talloc_free(ictx->current_down_cmd); + mp_mutex_destroy(&ictx->mutex); + talloc_free(ictx); +} + +bool mp_input_use_alt_gr(struct input_ctx *ictx) +{ + input_lock(ictx); + bool r = ictx->opts->use_alt_gr; + input_unlock(ictx); + return r; +} + +bool mp_input_use_media_keys(struct input_ctx *ictx) +{ + input_lock(ictx); + bool r = ictx->opts->use_media_keys; + input_unlock(ictx); + return r; +} + +struct mp_cmd *mp_input_parse_cmd(struct input_ctx *ictx, bstr str, + const char *location) +{ + return mp_input_parse_cmd_str(ictx->log, str, location); +} + +void mp_input_run_cmd(struct input_ctx *ictx, const char **cmd) +{ + mp_input_queue_cmd(ictx, mp_input_parse_cmd_strv(ictx->log, cmd)); +} + +void mp_input_bind_key(struct input_ctx *ictx, int key, bstr command) +{ + struct cmd_bind_section *bs = get_bind_section(ictx, (bstr){0}); + struct cmd_bind *bind = NULL; + + for (int n = 0; n < bs->num_binds; n++) { + struct cmd_bind *b = &bs->binds[n]; + if (bind_matches_key(b, 1, &key) && b->is_builtin == false) { + bind = b; + break; + } + } + + if (!bind) { + struct cmd_bind empty = {{0}}; + MP_TARRAY_APPEND(bs, bs->binds, bs->num_binds, empty); + bind = &bs->binds[bs->num_binds - 1]; + } + + bind_dealloc(bind); + + *bind = (struct cmd_bind) { + .cmd = bstrdup0(bs->binds, command), + .location = talloc_strdup(bs->binds, "keybind-command"), + .owner = bs, + .is_builtin = false, + .num_keys = 1, + }; + memcpy(bind->keys, &key, 1 * sizeof(bind->keys[0])); + if (mp_msg_test(ictx->log, MSGL_DEBUG)) { + char *s = mp_input_get_key_combo_name(&key, 1); + MP_TRACE(ictx, "add:section='%s' key='%s'%s cmd='%s' location='%s'\n", + bind->owner->section, s, bind->is_builtin ? " builtin" : "", + bind->cmd, bind->location); + talloc_free(s); + } +} + +struct mpv_node mp_input_get_bindings(struct input_ctx *ictx) +{ + input_lock(ictx); + struct mpv_node root; + node_init(&root, MPV_FORMAT_NODE_ARRAY, NULL); + + for (int x = 0; x < ictx->num_sections; x++) { + struct cmd_bind_section *s = ictx->sections[x]; + int priority = -1; + + for (int i = 0; i < ictx->num_active_sections; i++) { + struct active_section *as = &ictx->active_sections[i]; + if (strcmp(as->name, s->section) == 0) { + priority = i; + break; + } + } + + for (int n = 0; n < s->num_binds; n++) { + struct cmd_bind *b = &s->binds[n]; + struct mpv_node *entry = node_array_add(&root, MPV_FORMAT_NODE_MAP); + + int b_priority = priority; + if (b->is_builtin && !ictx->opts->default_bindings) + b_priority = -1; + + // Try to fixup the weird logic so consumer of this bindings list + // does not get too confused. + if (b_priority >= 0 && !b->is_builtin) + b_priority += ictx->num_active_sections; + + node_map_add_string(entry, "section", s->section); + if (s->owner) + node_map_add_string(entry, "owner", s->owner); + node_map_add_string(entry, "cmd", b->cmd); + node_map_add_flag(entry, "is_weak", b->is_builtin); + node_map_add_int64(entry, "priority", b_priority); + if (b->desc) + node_map_add_string(entry, "comment", b->desc); + + char *key = mp_input_get_key_combo_name(b->keys, b->num_keys); + node_map_add_string(entry, "key", key); + talloc_free(key); + } + } + + input_unlock(ictx); + return root; +} + +struct mp_input_src_internal { + mp_thread thread; + bool thread_running; + bool init_done; + + char *cmd_buffer; + size_t cmd_buffer_size; + bool drop; +}; + +static struct mp_input_src *mp_input_add_src(struct input_ctx *ictx) +{ + input_lock(ictx); + if (ictx->num_sources == MP_MAX_SOURCES) { + input_unlock(ictx); + return NULL; + } + + char name[80]; + snprintf(name, sizeof(name), "#%d", ictx->num_sources + 1); + struct mp_input_src *src = talloc_ptrtype(NULL, src); + *src = (struct mp_input_src){ + .global = ictx->global, + .log = mp_log_new(src, ictx->log, name), + .input_ctx = ictx, + .in = talloc_zero(src, struct mp_input_src_internal), + }; + + ictx->sources[ictx->num_sources++] = src; + + input_unlock(ictx); + return src; +} + +static void mp_input_src_kill(struct mp_input_src *src); + +static void close_input_sources(struct input_ctx *ictx) +{ + // To avoid lock-order issues, we first remove each source from the context, + // and then destroy it. + while (1) { + input_lock(ictx); + struct mp_input_src *src = ictx->num_sources ? ictx->sources[0] : NULL; + input_unlock(ictx); + if (!src) + break; + mp_input_src_kill(src); + } +} + +static void mp_input_src_kill(struct mp_input_src *src) +{ + if (!src) + return; + struct input_ctx *ictx = src->input_ctx; + input_lock(ictx); + for (int n = 0; n < ictx->num_sources; n++) { + if (ictx->sources[n] == src) { + MP_TARRAY_REMOVE_AT(ictx->sources, ictx->num_sources, n); + input_unlock(ictx); + if (src->cancel) + src->cancel(src); + if (src->in->thread_running) + mp_thread_join(src->in->thread); + if (src->uninit) + src->uninit(src); + talloc_free(src); + return; + } + } + MP_ASSERT_UNREACHABLE(); +} + +void mp_input_src_init_done(struct mp_input_src *src) +{ + assert(!src->in->init_done); + assert(src->in->thread_running); + assert(mp_thread_id_equal(mp_thread_get_id(src->in->thread), mp_thread_current_id())); + src->in->init_done = true; + mp_rendezvous(&src->in->init_done, 0); +} + +static MP_THREAD_VOID input_src_thread(void *ptr) +{ + void **args = ptr; + struct mp_input_src *src = args[0]; + void (*loop_fn)(struct mp_input_src *src, void *ctx) = args[1]; + void *ctx = args[2]; + + mp_thread_set_name("input"); + + src->in->thread_running = true; + + loop_fn(src, ctx); + + if (!src->in->init_done) + mp_rendezvous(&src->in->init_done, -1); + + MP_THREAD_RETURN(); +} + +int mp_input_add_thread_src(struct input_ctx *ictx, void *ctx, + void (*loop_fn)(struct mp_input_src *src, void *ctx)) +{ + struct mp_input_src *src = mp_input_add_src(ictx); + if (!src) + return -1; + + void *args[] = {src, loop_fn, ctx}; + if (mp_thread_create(&src->in->thread, input_src_thread, args)) { + mp_input_src_kill(src); + return -1; + } + if (mp_rendezvous(&src->in->init_done, 0) < 0) { + mp_input_src_kill(src); + return -1; + } + return 0; +} + +#define CMD_BUFFER (4 * 4096) + +void mp_input_src_feed_cmd_text(struct mp_input_src *src, char *buf, size_t len) +{ + struct mp_input_src_internal *in = src->in; + if (!in->cmd_buffer) + in->cmd_buffer = talloc_size(in, CMD_BUFFER); + while (len) { + char *next = memchr(buf, '\n', len); + bool term = !!next; + next = next ? next + 1 : buf + len; + size_t copy = next - buf; + bool overflow = copy > CMD_BUFFER - in->cmd_buffer_size; + if (overflow || in->drop) { + in->cmd_buffer_size = 0; + in->drop = overflow || !term; + MP_WARN(src, "Dropping overlong line.\n"); + } else { + memcpy(in->cmd_buffer + in->cmd_buffer_size, buf, copy); + in->cmd_buffer_size += copy; + buf += copy; + len -= copy; + if (term) { + bstr s = {in->cmd_buffer, in->cmd_buffer_size}; + s = bstr_strip(s); + struct mp_cmd *cmd = mp_input_parse_cmd_str(src->log, s, "<>"); + if (cmd) + mp_input_queue_cmd(src->input_ctx, cmd); + in->cmd_buffer_size = 0; + } + } + } +} + +void mp_input_set_repeat_info(struct input_ctx *ictx, int rate, int delay) +{ + input_lock(ictx); + ictx->opts->ar_rate = rate; + ictx->opts->ar_delay = delay; + input_unlock(ictx); +} |