diff options
Diffstat (limited to 'input')
| -rw-r--r-- | input/cmd.c | 671 | ||||
| -rw-r--r-- | input/cmd.h | 156 | ||||
| -rw-r--r-- | input/event.c | 93 | ||||
| -rw-r--r-- | input/event.h | 43 | ||||
| -rw-r--r-- | input/input.c | 1695 | ||||
| -rw-r--r-- | input/input.h | 239 | ||||
| -rw-r--r-- | input/ipc-dummy.c | 19 | ||||
| -rw-r--r-- | input/ipc-unix.c | 444 | ||||
| -rw-r--r-- | input/ipc-win.c | 509 | ||||
| -rw-r--r-- | input/ipc.c | 414 | ||||
| -rw-r--r-- | input/keycodes.c | 379 | ||||
| -rw-r--r-- | input/keycodes.h | 270 | ||||
| -rw-r--r-- | input/meson.build | 20 | ||||
| -rw-r--r-- | input/sdl_gamepad.c | 287 |
14 files changed, 5239 insertions, 0 deletions
diff --git a/input/cmd.c b/input/cmd.c new file mode 100644 index 0000000..6423214 --- /dev/null +++ b/input/cmd.c @@ -0,0 +1,671 @@ +/* + * 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 <stddef.h> + +#include "misc/bstr.h" +#include "misc/node.h" +#include "common/common.h" +#include "common/msg.h" +#include "options/m_option.h" + +#include "cmd.h" +#include "input.h" +#include "misc/json.h" + +#include "libmpv/client.h" + +static void destroy_cmd(void *ptr) +{ + struct mp_cmd *cmd = ptr; + for (int n = 0; n < cmd->nargs; n++) { + if (cmd->args[n].type) + m_option_free(cmd->args[n].type, &cmd->args[n].v); + } +} + +struct flag { + const char *name; + unsigned int remove, add; +}; + +static const struct flag cmd_flags[] = { + {"no-osd", MP_ON_OSD_FLAGS, MP_ON_OSD_NO}, + {"osd-bar", MP_ON_OSD_FLAGS, MP_ON_OSD_BAR}, + {"osd-msg", MP_ON_OSD_FLAGS, MP_ON_OSD_MSG}, + {"osd-msg-bar", MP_ON_OSD_FLAGS, MP_ON_OSD_MSG | MP_ON_OSD_BAR}, + {"osd-auto", MP_ON_OSD_FLAGS, MP_ON_OSD_AUTO}, + {"expand-properties", 0, MP_EXPAND_PROPERTIES}, + {"raw", MP_EXPAND_PROPERTIES, 0}, + {"repeatable", 0, MP_ALLOW_REPEAT}, + {"async", MP_SYNC_CMD, MP_ASYNC_CMD}, + {"sync", MP_ASYNC_CMD, MP_SYNC_CMD}, + {0} +}; + +static bool apply_flag(struct mp_cmd *cmd, bstr str) +{ + for (int n = 0; cmd_flags[n].name; n++) { + if (bstr_equals0(str, cmd_flags[n].name)) { + cmd->flags = (cmd->flags & ~cmd_flags[n].remove) | cmd_flags[n].add; + return true; + } + } + return false; +} + +static bool find_cmd(struct mp_log *log, struct mp_cmd *cmd, bstr name) +{ + if (name.len == 0) { + mp_err(log, "Command name missing.\n"); + return false; + } + + char nname[80]; + snprintf(nname, sizeof(nname), "%.*s", BSTR_P(name)); + for (int n = 0; nname[n]; n++) { + if (nname[n] == '_') + nname[n] = '-'; + } + + for (int n = 0; mp_cmds[n].name; n++) { + if (strcmp(nname, mp_cmds[n].name) == 0) { + cmd->def = &mp_cmds[n]; + cmd->name = (char *)cmd->def->name; + return true; + } + } + mp_err(log, "Command '%.*s' not found.\n", BSTR_P(name)); + return false; +} + +static bool is_vararg(const struct mp_cmd_def *m, int i) +{ + return m->vararg && (i + 1 >= MP_CMD_DEF_MAX_ARGS || !m->args[i + 1].type); +} + +static const struct m_option *get_arg_type(const struct mp_cmd_def *cmd, int i) +{ + const struct m_option *opt = NULL; + if (is_vararg(cmd, i)) { + // The last arg in a vararg command sets all vararg types. + for (int n = MPMIN(i, MP_CMD_DEF_MAX_ARGS - 1); n >= 0; n--) { + if (cmd->args[n].type) { + opt = &cmd->args[n]; + break; + } + } + } else if (i < MP_CMD_DEF_MAX_ARGS) { + opt = &cmd->args[i]; + } + return opt && opt->type ? opt : NULL; +} + +// Return the name of the argument, possibly as stack allocated string (which is +// why this is a macro, and out of laziness). Otherwise as get_arg_type(). +#define get_arg_name(cmd, i) \ + ((i) < MP_CMD_DEF_MAX_ARGS && (cmd)->args[(i)].name && \ + (cmd)->args[(i)].name[0] \ + ? (cmd)->args[(i)].name : mp_tprintf(10, "%d", (i) + 1)) + +// Verify that there are no missing args, fill in missing optional args. +static bool finish_cmd(struct mp_log *log, struct mp_cmd *cmd) +{ + for (int i = 0; i < MP_CMD_DEF_MAX_ARGS; i++) { + // (type==NULL is used for yet unset arguments) + if (i < cmd->nargs && cmd->args[i].type) + continue; + const struct m_option *opt = get_arg_type(cmd->def, i); + if (i >= cmd->nargs && (!opt || is_vararg(cmd->def, i))) + break; + if (!opt->defval && !(opt->flags & MP_CMD_OPT_ARG)) { + mp_err(log, "Command %s: required argument %s not set.\n", + cmd->name, get_arg_name(cmd->def, i)); + return false; + } + struct mp_cmd_arg arg = {.type = opt}; + if (opt->defval) + m_option_copy(opt, &arg.v, opt->defval); + assert(i <= cmd->nargs); + if (i == cmd->nargs) { + MP_TARRAY_APPEND(cmd, cmd->args, cmd->nargs, arg); + } else { + cmd->args[i] = arg; + } + } + + if (!(cmd->flags & (MP_ASYNC_CMD | MP_SYNC_CMD))) + cmd->flags |= cmd->def->default_async ? MP_ASYNC_CMD : MP_SYNC_CMD; + + return true; +} + +static bool set_node_arg(struct mp_log *log, struct mp_cmd *cmd, int i, + mpv_node *val) +{ + const char *name = get_arg_name(cmd->def, i); + + const struct m_option *opt = get_arg_type(cmd->def, i); + if (!opt) { + mp_err(log, "Command %s: has only %d arguments.\n", cmd->name, i); + return false; + } + + if (i < cmd->nargs && cmd->args[i].type) { + mp_err(log, "Command %s: argument %s was already set.\n", cmd->name, name); + return false; + } + + struct mp_cmd_arg arg = {.type = opt}; + void *dst = &arg.v; + if (val->format == MPV_FORMAT_STRING) { + int r = m_option_parse(log, opt, bstr0(cmd->name), + bstr0(val->u.string), dst); + if (r < 0) { + mp_err(log, "Command %s: argument %s can't be parsed: %s.\n", + cmd->name, name, m_option_strerror(r)); + return false; + } + } else { + int r = m_option_set_node(opt, dst, val); + if (r < 0) { + mp_err(log, "Command %s: argument %s has incompatible type.\n", + cmd->name, name); + return false; + } + } + + // (leave unset arguments blank, to be set later or checked by finish_cmd()) + while (i >= cmd->nargs) { + struct mp_cmd_arg t = {0}; + MP_TARRAY_APPEND(cmd, cmd->args, cmd->nargs, t); + } + + cmd->args[i] = arg; + return true; +} + +static bool cmd_node_array(struct mp_log *log, struct mp_cmd *cmd, mpv_node *node) +{ + assert(node->format == MPV_FORMAT_NODE_ARRAY); + mpv_node_list *args = node->u.list; + int cur = 0; + + while (cur < args->num) { + if (args->values[cur].format != MPV_FORMAT_STRING) + break; + if (!apply_flag(cmd, bstr0(args->values[cur].u.string))) + break; + cur++; + } + + bstr cmd_name = {0}; + if (cur < args->num && args->values[cur].format == MPV_FORMAT_STRING) + cmd_name = bstr0(args->values[cur++].u.string); + if (!find_cmd(log, cmd, cmd_name)) + return false; + + int first = cur; + for (int i = 0; i < args->num - first; i++) { + if (!set_node_arg(log, cmd, cmd->nargs, &args->values[cur++])) + return false; + } + + return true; +} + +static bool cmd_node_map(struct mp_log *log, struct mp_cmd *cmd, mpv_node *node) +{ + assert(node->format == MPV_FORMAT_NODE_MAP); + mpv_node_list *args = node->u.list; + + mpv_node *name = node_map_get(node, "name"); + if (!name || name->format != MPV_FORMAT_STRING) + return false; + + if (!find_cmd(log, cmd, bstr0(name->u.string))) + return false; + + if (cmd->def->vararg) { + mp_err(log, "Command %s: this command uses a variable number of " + "arguments, which does not work with named arguments.\n", + cmd->name); + return false; + } + + for (int n = 0; n < args->num; n++) { + const char *key = args->keys[n]; + mpv_node *val = &args->values[n]; + + if (strcmp(key, "name") == 0) { + // already handled above + } else if (strcmp(key, "_flags") == 0) { + if (val->format != MPV_FORMAT_NODE_ARRAY) + return false; + mpv_node_list *flags = val->u.list; + for (int i = 0; i < flags->num; i++) { + if (flags->values[i].format != MPV_FORMAT_STRING) + return false; + if (!apply_flag(cmd, bstr0(flags->values[i].u.string))) + return false; + } + } else { + int arg = -1; + + for (int i = 0; i < MP_CMD_DEF_MAX_ARGS; i++) { + const char *arg_name = cmd->def->args[i].name; + if (arg_name && arg_name[0] && strcmp(key, arg_name) == 0) { + arg = i; + break; + } + } + + if (arg < 0) { + mp_err(log, "Command %s: no argument %s.\n", cmd->name, key); + return false; + } + + if (!set_node_arg(log, cmd, arg, val)) + return false; + } + } + + return true; +} + +struct mp_cmd *mp_input_parse_cmd_node(struct mp_log *log, mpv_node *node) +{ + struct mp_cmd *cmd = talloc_ptrtype(NULL, cmd); + talloc_set_destructor(cmd, destroy_cmd); + *cmd = (struct mp_cmd) { .scale = 1, .scale_units = 1 }; + + bool res = false; + if (node->format == MPV_FORMAT_NODE_ARRAY) { + res = cmd_node_array(log, cmd, node); + } else if (node->format == MPV_FORMAT_NODE_MAP) { + res = cmd_node_map(log, cmd, node); + } + + res = res && finish_cmd(log, cmd); + + if (!res) + TA_FREEP(&cmd); + + return cmd; +} + +static bool read_token(bstr str, bstr *out_rest, bstr *out_token) +{ + bstr t = bstr_lstrip(str); + int next = bstrcspn(t, WHITESPACE "#;"); + if (!next) + return false; + *out_token = bstr_splice(t, 0, next); + *out_rest = bstr_cut(t, next); + return true; +} + +struct parse_ctx { + struct mp_log *log; + void *tmp; + bstr start, str; +}; + +static int pctx_read_token(struct parse_ctx *ctx, bstr *out) +{ + *out = (bstr){0}; + ctx->str = bstr_lstrip(ctx->str); + bstr start = ctx->str; + if (bstr_eatstart0(&ctx->str, "\"")) { + if (!mp_append_escaped_string_noalloc(ctx->tmp, out, &ctx->str)) { + MP_ERR(ctx, "Broken string escapes: ...>%.*s<.\n", BSTR_P(start)); + return -1; + } + if (!bstr_eatstart0(&ctx->str, "\"")) { + MP_ERR(ctx, "Unterminated double quote: ...>%.*s<.\n", BSTR_P(start)); + return -1; + } + return 1; + } + if (bstr_eatstart0(&ctx->str, "'")) { + int next = bstrchr(ctx->str, '\''); + if (next < 0) { + MP_ERR(ctx, "Unterminated single quote: ...>%.*s<.\n", BSTR_P(start)); + return -1; + } + *out = bstr_splice(ctx->str, 0, next); + ctx->str = bstr_cut(ctx->str, next+1); + return 1; + } + if (ctx->start.len > 1 && bstr_eatstart0(&ctx->str, "`")) { + char endquote[2] = {ctx->str.start[0], '`'}; + ctx->str = bstr_cut(ctx->str, 1); + int next = bstr_find(ctx->str, (bstr){endquote, 2}); + if (next < 0) { + MP_ERR(ctx, "Unterminated custom quote: ...>%.*s<.\n", BSTR_P(start)); + return -1; + } + *out = bstr_splice(ctx->str, 0, next); + ctx->str = bstr_cut(ctx->str, next+2); + return 1; + } + + return read_token(ctx->str, &ctx->str, out) ? 1 : 0; +} + +static struct mp_cmd *parse_cmd_str(struct mp_log *log, void *tmp, + bstr *str, const char *loc) +{ + struct parse_ctx *ctx = &(struct parse_ctx){ + .log = log, + .tmp = tmp, + .str = *str, + .start = *str, + }; + + struct mp_cmd *cmd = talloc_ptrtype(NULL, cmd); + talloc_set_destructor(cmd, destroy_cmd); + *cmd = (struct mp_cmd) { + .flags = MP_ON_OSD_AUTO | MP_EXPAND_PROPERTIES, + .scale = 1, + .scale_units = 1, + }; + + ctx->str = bstr_lstrip(ctx->str); + + bstr cur_token; + if (pctx_read_token(ctx, &cur_token) < 0) + goto error; + + while (1) { + if (!apply_flag(cmd, cur_token)) + break; + if (pctx_read_token(ctx, &cur_token) < 0) + goto error; + } + + if (!find_cmd(ctx->log, cmd, cur_token)) + goto error; + + for (int i = 0; i < MP_CMD_MAX_ARGS; i++) { + const struct m_option *opt = get_arg_type(cmd->def, i); + if (!opt) + break; + + int r = pctx_read_token(ctx, &cur_token); + if (r < 0) { + MP_ERR(ctx, "Command %s: error in argument %d.\n", cmd->name, i + 1); + goto error; + } + if (r < 1) + break; + + struct mp_cmd_arg arg = {.type = opt}; + r = m_option_parse(ctx->log, opt, bstr0(cmd->name), cur_token, &arg.v); + if (r < 0) { + MP_ERR(ctx, "Command %s: argument %d can't be parsed: %s.\n", + cmd->name, i + 1, m_option_strerror(r)); + goto error; + } + + MP_TARRAY_APPEND(cmd, cmd->args, cmd->nargs, arg); + } + + if (!finish_cmd(ctx->log, cmd)) + goto error; + + bstr dummy; + if (read_token(ctx->str, &dummy, &dummy) && ctx->str.len) { + MP_ERR(ctx, "Command %s has trailing unused arguments: '%.*s'.\n", + cmd->name, BSTR_P(ctx->str)); + // Better make it fatal to make it clear something is wrong. + goto error; + } + + bstr orig = {ctx->start.start, ctx->str.start - ctx->start.start}; + cmd->original = bstrto0(cmd, bstr_strip(orig)); + + *str = ctx->str; + return cmd; + +error: + MP_ERR(ctx, "Command was defined at %s.\n", loc); + talloc_free(cmd); + *str = ctx->str; + return NULL; +} + +mp_cmd_t *mp_input_parse_cmd_str(struct mp_log *log, bstr str, const char *loc) +{ + void *tmp = talloc_new(NULL); + bstr original = str; + struct mp_cmd *cmd = parse_cmd_str(log, tmp, &str, loc); + if (!cmd) + goto done; + + // Handle "multi" commands + struct mp_cmd **p_prev = NULL; + while (1) { + str = bstr_lstrip(str); + // read_token just to check whether it's trailing whitespace only + bstr u1, u2; + if (!bstr_eatstart0(&str, ";") || !read_token(str, &u1, &u2)) + break; + // Multi-command. Since other input.c code uses queue_next for its + // own purposes, a pseudo-command is used to wrap the command list. + if (!p_prev) { + struct mp_cmd *list = talloc_ptrtype(NULL, list); + talloc_set_destructor(list, destroy_cmd); + *list = (struct mp_cmd) { + .name = (char *)mp_cmd_list.name, + .def = &mp_cmd_list, + }; + talloc_steal(list, cmd); + struct mp_cmd_arg arg = {0}; + arg.v.p = cmd; + list->args = talloc_dup(list, &arg); + p_prev = &cmd->queue_next; + cmd = list; + } + struct mp_cmd *sub = parse_cmd_str(log, tmp, &str, loc); + if (!sub) { + talloc_free(cmd); + cmd = NULL; + goto done; + } + talloc_steal(cmd, sub); + *p_prev = sub; + p_prev = &sub->queue_next; + } + + cmd->original = bstrto0(cmd, bstr_strip( + bstr_splice(original, 0, str.start - original.start))); + + str = bstr_strip(str); + if (bstr_eatstart0(&str, "#") && !bstr_startswith0(str, "#")) { + str = bstr_strip(str); + if (str.len) + cmd->desc = bstrto0(cmd, str); + } + +done: + talloc_free(tmp); + return cmd; +} + +struct mp_cmd *mp_input_parse_cmd_strv(struct mp_log *log, const char **argv) +{ + int count = 0; + while (argv[count]) + count++; + mpv_node *items = talloc_zero_array(NULL, mpv_node, count); + mpv_node_list list = {.values = items, .num = count}; + mpv_node node = {.format = MPV_FORMAT_NODE_ARRAY, .u = {.list = &list}}; + for (int n = 0; n < count; n++) { + items[n] = (mpv_node){.format = MPV_FORMAT_STRING, + .u = {.string = (char *)argv[n]}}; + } + struct mp_cmd *res = mp_input_parse_cmd_node(log, &node); + talloc_free(items); + return res; +} + +void mp_cmd_free(mp_cmd_t *cmd) +{ + talloc_free(cmd); +} + +mp_cmd_t *mp_cmd_clone(mp_cmd_t *cmd) +{ + if (!cmd) + return NULL; + + mp_cmd_t *ret = talloc_dup(NULL, cmd); + talloc_set_destructor(ret, destroy_cmd); + ret->name = talloc_strdup(ret, cmd->name); + ret->args = talloc_zero_array(ret, struct mp_cmd_arg, ret->nargs); + for (int i = 0; i < ret->nargs; i++) { + ret->args[i].type = cmd->args[i].type; + m_option_copy(ret->args[i].type, &ret->args[i].v, &cmd->args[i].v); + } + ret->original = talloc_strdup(ret, cmd->original); + ret->desc = talloc_strdup(ret, cmd->desc); + ret->sender = NULL; + ret->key_name = talloc_strdup(ret, ret->key_name); + ret->key_text = talloc_strdup(ret, ret->key_text); + + if (cmd->def == &mp_cmd_list) { + struct mp_cmd *prev = NULL; + for (struct mp_cmd *sub = cmd->args[0].v.p; sub; sub = sub->queue_next) { + sub = mp_cmd_clone(sub); + talloc_steal(ret, sub); + if (prev) { + prev->queue_next = sub; + } else { + struct mp_cmd_arg arg = {0}; + arg.v.p = sub; + ret->args = talloc_dup(ret, &arg); + } + prev = sub; + } + } + + return ret; +} + +static int get_arg_count(const struct mp_cmd_def *cmd) +{ + for (int i = MP_CMD_DEF_MAX_ARGS - 1; i >= 0; i--) { + if (cmd->args[i].type) + return i + 1; + } + return 0; +} + +void mp_cmd_dump(struct mp_log *log, int msgl, char *header, struct mp_cmd *cmd) +{ + if (!mp_msg_test(log, msgl)) + return; + if (header) + mp_msg(log, msgl, "%s ", header); + if (!cmd) { + mp_msg(log, msgl, "(NULL)\n"); + return; + } + mp_msg(log, msgl, "%s, flags=%d, args=[", cmd->name, cmd->flags); + int argc = get_arg_count(cmd->def); + for (int n = 0; n < cmd->nargs; n++) { + const char *argname = cmd->def->args[MPMIN(n, argc - 1)].name; + char *s = m_option_print(cmd->args[n].type, &cmd->args[n].v); + if (n) + mp_msg(log, msgl, ", "); + struct mpv_node node = { + .format = MPV_FORMAT_STRING, + .u.string = s ? s : "(NULL)", + }; + char *esc = NULL; + json_write(&esc, &node); + mp_msg(log, msgl, "%s=%s", argname, esc ? esc : "<error>"); + talloc_free(esc); + talloc_free(s); + } + mp_msg(log, msgl, "]\n"); +} + +bool mp_input_is_repeatable_cmd(struct mp_cmd *cmd) +{ + if (cmd->def == &mp_cmd_list && cmd->args[0].v.p) + cmd = cmd->args[0].v.p; // list - only 1st cmd is considered + + return (cmd->def->allow_auto_repeat) || (cmd->flags & MP_ALLOW_REPEAT); +} + +bool mp_input_is_scalable_cmd(struct mp_cmd *cmd) +{ + return cmd->def->scalable; +} + +void mp_print_cmd_list(struct mp_log *out) +{ + for (int i = 0; mp_cmds[i].name; i++) { + const struct mp_cmd_def *def = &mp_cmds[i]; + mp_info(out, "%-20.20s", def->name); + for (int j = 0; j < MP_CMD_DEF_MAX_ARGS && def->args[j].type; j++) { + const struct m_option *arg = &def->args[j]; + bool is_opt = arg->defval || (arg->flags & MP_CMD_OPT_ARG); + mp_info(out, " %s%s=%s%s", is_opt ? "[" : "", arg->name, + arg->type->name, is_opt ? "]" : ""); + } + if (def->vararg) + mp_info(out, "..."); // essentially append to last argument + mp_info(out, "\n"); + } +} + +static int parse_cycle_dir(struct mp_log *log, const struct m_option *opt, + struct bstr name, struct bstr param, void *dst) +{ + double val; + if (bstrcmp0(param, "up") == 0) { + val = +1; + } else if (bstrcmp0(param, "down") == 0) { + val = -1; + } else { + return m_option_type_double.parse(log, opt, name, param, dst); + } + *(double *)dst = val; + return 1; +} + +static char *print_cycle_dir(const m_option_t *opt, const void *val) +{ + return talloc_asprintf(NULL, "%f", *(double *)val); +} + +static void copy_opt(const m_option_t *opt, void *dst, const void *src) +{ + if (dst && src) + memcpy(dst, src, opt->type->size); +} + +const struct m_option_type m_option_type_cycle_dir = { + .name = "up|down", + .parse = parse_cycle_dir, + .print = print_cycle_dir, + .copy = copy_opt, + .size = sizeof(double), +}; diff --git a/input/cmd.h b/input/cmd.h new file mode 100644 index 0000000..1c9fb3e --- /dev/null +++ b/input/cmd.h @@ -0,0 +1,156 @@ +/* + * 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/>. + */ + +#ifndef MP_PARSE_COMMAND_H +#define MP_PARSE_COMMAND_H + +#include <stdbool.h> + +#include "misc/bstr.h" +#include "options/m_option.h" + +#define MP_CMD_DEF_MAX_ARGS 9 +#define MP_CMD_OPT_ARG M_OPT_OPTIONAL_PARAM + +struct mp_log; +struct mp_cmd; +struct mpv_node; + +struct mp_cmd_def { + const char *name; // user-visible name (as used in input.conf) + void (*handler)(void *ctx); + const struct m_option args[MP_CMD_DEF_MAX_ARGS]; + const void *priv; // for free use by handler() + bool allow_auto_repeat; // react to repeated key events + bool on_updown; // always emit it on both up and down key events + bool vararg; // last argument can be given 0 to multiple times + bool scalable; + bool is_ignore; + bool is_noisy; // reduce log level + bool default_async; // default to MP_ASYNC flag if none set by user + // If you set this, handler() must ensure mp_cmd_ctx_complete() is called + // at some point (can be after handler() returns). If you don't set it, the + // common code will call mp_cmd_ctx_complete() when handler() returns. + // You must make sure that the core cannot disappear while you do work. The + // common code keeps the core referenced only until handler() returns. + bool exec_async; + // If set, handler() is run on a separate worker thread. This means you can + // use mp_core_[un]lock() to temporarily unlock and re-lock the core (while + // unlocked, you have no synchronized access to mpctx, but you can do long + // running operations without blocking playback or input handling). + bool spawn_thread; + // If this is set, mp_cmd_ctx.abort is set. Set this if handler() can do + // asynchronous abort of the command, and explicitly uses mp_cmd_ctx.abort. + // (Not setting it when it's not needed can save resources.) + bool can_abort; + // If playback ends, and the command is still running, an abort is + // automatically triggered. + bool abort_on_playback_end; +}; + +enum mp_cmd_flags { + MP_ON_OSD_NO = 0, // prefer not using OSD + MP_ON_OSD_AUTO = 1, // use default behavior of the specific command + MP_ON_OSD_BAR = 2, // force a bar, if applicable + MP_ON_OSD_MSG = 4, // force a message, if applicable + MP_EXPAND_PROPERTIES = 8, // expand strings as properties + MP_ALLOW_REPEAT = 16, // if used as keybinding, allow key repeat + + // Exactly one of the following 2 bits is set. Which one is used depends on + // the command parser (prefixes and mp_cmd_def.default_async). + MP_ASYNC_CMD = 32, // do not wait for command to complete + MP_SYNC_CMD = 64, // block on command completion + + MP_ON_OSD_FLAGS = MP_ON_OSD_NO | MP_ON_OSD_AUTO | + MP_ON_OSD_BAR | MP_ON_OSD_MSG, +}; + +// Arbitrary upper bound for sanity. +#define MP_CMD_MAX_ARGS 100 + +struct mp_cmd_arg { + const struct m_option *type; + union { + bool b; + int i; + int64_t i64; + float f; + double d; + char *s; + char **str_list; + void *p; + } v; +}; + +typedef struct mp_cmd { + char *name; + struct mp_cmd_arg *args; + int nargs; + int flags; // mp_cmd_flags bitfield + char *original; + char *desc; // (usually NULL since stripped away later) + char *input_section; + bool is_up_down : 1; + bool is_up : 1; + bool emit_on_up : 1; + bool is_mouse_button : 1; + bool repeated : 1; + bool mouse_move : 1; + int mouse_x, mouse_y; + struct mp_cmd *queue_next; + double scale; // for scaling numeric arguments + int scale_units; + const struct mp_cmd_def *def; + char *sender; // name of the client API user which sent this + char *key_name; // string representation of the key binding + char *key_text; // text if key is a text key +} mp_cmd_t; + +extern const struct mp_cmd_def mp_cmds[]; +extern const struct mp_cmd_def mp_cmd_list; + +bool mp_input_is_repeatable_cmd(struct mp_cmd *cmd); + +bool mp_input_is_scalable_cmd(struct mp_cmd *cmd); + +void mp_print_cmd_list(struct mp_log *out); + +// Parse text and return corresponding struct mp_cmd. +// The location parameter is for error messages. +struct mp_cmd *mp_input_parse_cmd_str(struct mp_log *log, bstr str, + const char *loc); + +// Similar to mp_input_parse_cmd(), but takes a list of strings instead. +// Also, MP_ON_OSD_AUTO | MP_EXPAND_PROPERTIES are not set by default. +// Keep in mind that these functions (naturally) don't take multiple commands, +// i.e. a ";" argument does not start a new command. +struct mp_cmd *mp_input_parse_cmd_strv(struct mp_log *log, const char **argv); + +struct mp_cmd *mp_input_parse_cmd_node(struct mp_log *log, struct mpv_node *node); + +// After getting a command from mp_input_get_cmd you need to free it using this +// function +void mp_cmd_free(struct mp_cmd *cmd); + +void mp_cmd_dump(struct mp_log *log, int msgl, char *header, struct mp_cmd *cmd); + +// This creates a copy of a command (used by the auto repeat stuff). +struct mp_cmd *mp_cmd_clone(struct mp_cmd *cmd); + +extern const struct m_option_type m_option_type_cycle_dir; + +#endif diff --git a/input/event.c b/input/event.c new file mode 100644 index 0000000..266e029 --- /dev/null +++ b/input/event.c @@ -0,0 +1,93 @@ +/* + * 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 "event.h" +#include "input.h" +#include "common/msg.h" +#include "player/external_files.h" + +void mp_event_drop_files(struct input_ctx *ictx, int num_files, char **files, + enum mp_dnd_action action) +{ + bool all_sub = true; + for (int i = 0; i < num_files; i++) + all_sub &= mp_might_be_subtitle_file(files[i]); + + if (all_sub) { + for (int i = 0; i < num_files; i++) { + const char *cmd[] = { + "osd-auto", + "sub-add", + files[i], + NULL + }; + mp_input_run_cmd(ictx, cmd); + } + } else { + for (int i = 0; i < num_files; i++) { + const char *cmd[] = { + "osd-auto", + "loadfile", + files[i], + /* Either start playing the dropped files right away + or add them to the end of the current playlist */ + (i == 0 && action == DND_REPLACE) ? "replace" : "append-play", + NULL + }; + mp_input_run_cmd(ictx, cmd); + } + } +} + +int mp_event_drop_mime_data(struct input_ctx *ictx, const char *mime_type, + bstr data, enum mp_dnd_action action) +{ + // (text lists are the only format supported right now) + if (mp_event_get_mime_type_score(ictx, mime_type) >= 0) { + void *tmp = talloc_new(NULL); + int num_files = 0; + char **files = NULL; + while (data.len) { + bstr line = bstr_getline(data, &data); + line = bstr_strip_linebreaks(line); + if (bstr_startswith0(line, "#") || !line.start[0]) + continue; + char *s = bstrto0(tmp, line); + MP_TARRAY_APPEND(tmp, files, num_files, s); + } + mp_event_drop_files(ictx, num_files, files, action); + talloc_free(tmp); + return num_files > 0; + } else { + return -1; + } +} + +int mp_event_get_mime_type_score(struct input_ctx *ictx, const char *mime_type) +{ + // X11 and Wayland file list format. + if (strcmp(mime_type, "text/uri-list") == 0) + return 10; + // Just text; treat it the same for convenience. + if (strcmp(mime_type, "text/plain;charset=utf-8") == 0) + return 5; + if (strcmp(mime_type, "text/plain") == 0) + return 4; + if (strcmp(mime_type, "text") == 0) + return 0; + return -1; +} diff --git a/input/event.h b/input/event.h new file mode 100644 index 0000000..1e2149b --- /dev/null +++ b/input/event.h @@ -0,0 +1,43 @@ +/* + * 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/>. + */ +#ifndef MP_INPUT_EVENT_H_ +#define MP_INPUT_EVENT_H_ + +#include "misc/bstr.h" + +struct input_ctx; + +enum mp_dnd_action { + DND_REPLACE, + DND_APPEND, +}; + +// Enqueue files for playback after drag and drop +void mp_event_drop_files(struct input_ctx *ictx, int num_files, char **files, + enum mp_dnd_action append); + +// Drop data in a specific format (identified by the mimetype). +// Returns <0 on error, ==0 if data was ok but empty, >0 on success. +int mp_event_drop_mime_data(struct input_ctx *ictx, const char *mime_type, + bstr data, enum mp_dnd_action append); + +// Many drag & drop APIs support multiple mime types, and this function returns +// whether a type is preferred (higher integer score), or supported (scores +// below 0 indicate unsupported types). +int mp_event_get_mime_type_score(struct input_ctx *ictx, const char *mime_type); + +#endif 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); +} diff --git a/input/input.h b/input/input.h new file mode 100644 index 0000000..5b5e7a9 --- /dev/null +++ b/input/input.h @@ -0,0 +1,239 @@ +/* + * 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/>. + */ + +#ifndef MPLAYER_INPUT_H +#define MPLAYER_INPUT_H + +#include <stdbool.h> +#include "misc/bstr.h" + +#include "cmd.h" + +struct input_ctx; +struct mp_log; + +struct mp_input_src { + struct mpv_global *global; + struct mp_log *log; + struct input_ctx *input_ctx; + + struct mp_input_src_internal *in; + + // If not-NULL: called before destroying the input_src. Should unblock the + // reader loop, and make it exit. (Use with mp_input_add_thread_src().) + void (*cancel)(struct mp_input_src *src); + // Called after the reader thread returns, and cancel() won't be called + // again. This should make sure that nothing after this call accesses src. + void (*uninit)(struct mp_input_src *src); + + // For free use by the implementer. + void *priv; +}; + +enum mp_input_section_flags { + // If a key binding is not defined in the current section, do not search the + // other sections for it (like the default section). Instead, an unbound + // key warning will be printed. + MP_INPUT_EXCLUSIVE = 1, + // Prefer it to other sections. + MP_INPUT_ON_TOP = 2, + // Let mp_input_test_dragging() return true, even if inside the mouse area. + MP_INPUT_ALLOW_VO_DRAGGING = 4, + // Don't force mouse pointer visible, even if inside the mouse area. + MP_INPUT_ALLOW_HIDE_CURSOR = 8, +}; + +// Add an input source that runs on a thread. The source is automatically +// removed if the thread loop exits. +// ctx: this is passed to loop_fn. +// loop_fn: this is called once inside of a new thread, and should not return +// until all input is read, or src->cancel is called by another thread. +// You must call mp_input_src_init_done(src) early during init to signal +// success (then src->cancel may be called at a later point); on failure, +// return from loop_fn immediately. +// Returns >=0 on success, <0 on failure to allocate resources. +// Do not set src->cancel after mp_input_src_init_done() has been called. +int mp_input_add_thread_src(struct input_ctx *ictx, void *ctx, + void (*loop_fn)(struct mp_input_src *src, void *ctx)); + +// Signal successful init. +// Must be called on the same thread as loop_fn (see mp_input_add_thread_src()). +// Set src->cancel and src->uninit (if needed) before calling this. +void mp_input_src_init_done(struct mp_input_src *src); + +// Feed text data, which will be split into lines of commands. +void mp_input_src_feed_cmd_text(struct mp_input_src *src, char *buf, size_t len); + +// Process keyboard input. code is a key code from keycodes.h, possibly +// with modifiers applied. MP_INPUT_RELEASE_ALL is also a valid value. +void mp_input_put_key(struct input_ctx *ictx, int code); + +// Like mp_input_put_key(), but ignore mouse disable option for mouse buttons. +void mp_input_put_key_artificial(struct input_ctx *ictx, int code); + +// Like mp_input_put_key(), but process all UTF-8 characters in the given +// string as key events. +void mp_input_put_key_utf8(struct input_ctx *ictx, int mods, struct bstr t); + +// Process scrolling input. Support for precise scrolling. Scales the given +// scroll amount add multiplies it with the command (seeking, sub-delay, etc) +void mp_input_put_wheel(struct input_ctx *ictx, int direction, double value); + +// Update mouse position (in window coordinates). +void mp_input_set_mouse_pos(struct input_ctx *ictx, int x, int y); + +// Like mp_input_set_mouse_pos(), but ignore mouse disable option. +void mp_input_set_mouse_pos_artificial(struct input_ctx *ictx, int x, int y); + +void mp_input_get_mouse_pos(struct input_ctx *ictx, int *x, int *y, int *hover); + +// Return whether we want/accept mouse input. +bool mp_input_mouse_enabled(struct input_ctx *ictx); + +bool mp_input_vo_keyboard_enabled(struct input_ctx *ictx); + +/* Make mp_input_set_mouse_pos() mangle the mouse coordinates. Hack for certain + * VOs. dst=NULL, src=NULL reset it. src can be NULL. + */ +struct mp_rect; +void mp_input_set_mouse_transform(struct input_ctx *ictx, struct mp_rect *dst, + struct mp_rect *src); + +// Add a command to the command queue. +int mp_input_queue_cmd(struct input_ctx *ictx, struct mp_cmd *cmd); + +// Return next queued command, or NULL. +struct mp_cmd *mp_input_read_cmd(struct input_ctx *ictx); + +// Parse text and return corresponding struct mp_cmd. +// The location parameter is for error messages. +struct mp_cmd *mp_input_parse_cmd(struct input_ctx *ictx, bstr str, + const char *location); + +// Set current input section. The section is appended on top of the list of +// active sections, so its bindings are considered first. If the section was +// already active, it's moved to the top as well. +// name==NULL will behave as if name=="default" +// flags is a bitfield of enum mp_input_section_flags values +void mp_input_enable_section(struct input_ctx *ictx, char *name, int flags); + +// Undo mp_input_enable_section(). +// name==NULL will behave as if name=="default" +void mp_input_disable_section(struct input_ctx *ictx, char *name); + +// Like mp_input_set_section(ictx, ..., 0) for all sections. +void mp_input_disable_all_sections(struct input_ctx *ictx); + +// Set the contents of an input section. +// name: name of the section, for mp_input_set_section() etc. +// location: location string (like filename) for error reporting +// contents: list of keybindings, like input.conf +// a value of NULL deletes the section +// builtin: create as builtin section; this means if the user defines bindings +// using "{name}", they won't be ignored or overwritten - instead, +// they are preferred to the bindings defined with this call +// owner: string ID of the client which defined this, or NULL +// If the section already exists, its bindings are removed and replaced. +void mp_input_define_section(struct input_ctx *ictx, char *name, char *location, + char *contents, bool builtin, char *owner); + +// Remove all sections that have been defined by the given owner. +void mp_input_remove_sections_by_owner(struct input_ctx *ictx, char *owner); + +// Define where on the screen the named input section should receive. +// Setting a rectangle of size 0 unsets the mouse area. +// A rectangle with negative size disables mouse input for this section. +void mp_input_set_section_mouse_area(struct input_ctx *ictx, char *name, + int x0, int y0, int x1, int y1); + +// Used to detect mouse movement. +unsigned int mp_input_get_mouse_event_counter(struct input_ctx *ictx); + +// Test whether there is any input section which wants to receive events. +// Note that the mouse event is always delivered, even if this returns false. +bool mp_input_test_mouse_active(struct input_ctx *ictx, int x, int y); + +// Whether input.c wants mouse drag events at this mouse position. If this +// returns false, some VOs will initiate window dragging. +bool mp_input_test_dragging(struct input_ctx *ictx, int x, int y); + +// Initialize the input system +struct mpv_global; +struct input_ctx *mp_input_init(struct mpv_global *global, + void (*wakeup_cb)(void *ctx), + void *wakeup_ctx); + +void mp_input_load_config(struct input_ctx *ictx); + +void mp_input_update_opts(struct input_ctx *ictx); + +void mp_input_uninit(struct input_ctx *ictx); + +// Return number of seconds until the next autorepeat event will be generated. +// Returns INFINITY if no autorepeated key is active. +double mp_input_get_delay(struct input_ctx *ictx); + +// Wake up sleeping input loop from another thread. +void mp_input_wakeup(struct input_ctx *ictx); + +// If this returns true, use Right Alt key as Alt Gr to produce special +// characters. If false, count Right Alt as the modifier Alt key. +bool mp_input_use_alt_gr(struct input_ctx *ictx); + +// Return true if mpv should intercept keyboard media keys +bool mp_input_use_media_keys(struct input_ctx *ictx); + +// Like mp_input_parse_cmd_strv, but also run the command. +void mp_input_run_cmd(struct input_ctx *ictx, const char **cmd); + +// Binds a command to a key. +void mp_input_bind_key(struct input_ctx *ictx, int key, bstr command); + +void mp_input_set_repeat_info(struct input_ctx *ictx, int rate, int delay); + +struct mpv_node mp_input_get_bindings(struct input_ctx *ictx); + +void mp_input_sdl_gamepad_add(struct input_ctx *ictx); + +struct mp_ipc_ctx; +struct mp_client_api; +struct mpv_handle; + +// Platform specific implementation, provided by ipc-*.c. +struct mp_ipc_ctx *mp_init_ipc(struct mp_client_api *client_api, + struct mpv_global *global); +// Start a thread for the given handle and return a socket in out_fd[0] that +// is served by this thread. If the FD is not full-duplex, then out_fd[0] is +// the user's read-end, and out_fd[1] the write-end, otherwise out_fd[1] is set +// to -1. +// returns: +// true: out_fd[0] and out_fd[1] are set, ownership of h is transferred +// false: out_fd are not touched, caller retains ownership of h +bool mp_ipc_start_anon_client(struct mp_ipc_ctx *ctx, struct mpv_handle *h, + int out_fd[2]); +void mp_uninit_ipc(struct mp_ipc_ctx *ctx); + +// Serialize the given mpv_event structure to JSON. Returns an allocated string. +struct mpv_event; +char *mp_json_encode_event(struct mpv_event *event); + +// Given the raw IPC input buffer "buf", remove the first newline-separated +// command, execute it and return the result (if any) as an allocated string. +struct mpv_handle; +char *mp_ipc_consume_next_command(struct mpv_handle *client, void *ctx, bstr *buf); + +#endif /* MPLAYER_INPUT_H */ diff --git a/input/ipc-dummy.c b/input/ipc-dummy.c new file mode 100644 index 0000000..f0232b2 --- /dev/null +++ b/input/ipc-dummy.c @@ -0,0 +1,19 @@ +#include <stddef.h> + +#include "input/input.h" + +struct mp_ipc_ctx *mp_init_ipc(struct mp_client_api *client_api, + struct mpv_global *global) +{ + return NULL; +} + +bool mp_ipc_start_anon_client(struct mp_ipc_ctx *ctx, struct mpv_handle *h, + int out_fd[2]) +{ + return false; +} + +void mp_uninit_ipc(struct mp_ipc_ctx *ctx) +{ +} diff --git a/input/ipc-unix.c b/input/ipc-unix.c new file mode 100644 index 0000000..a416b54 --- /dev/null +++ b/input/ipc-unix.c @@ -0,0 +1,444 @@ +/* + * 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 <errno.h> +#include <unistd.h> +#include <limits.h> +#include <poll.h> +#include <signal.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/stat.h> +#include <sys/un.h> + +#include "osdep/io.h" +#include "osdep/threads.h" + +#include "common/common.h" +#include "common/global.h" +#include "common/msg.h" +#include "input/input.h" +#include "libmpv/client.h" +#include "options/m_config.h" +#include "options/options.h" +#include "options/path.h" +#include "player/client.h" + +#ifndef MSG_NOSIGNAL +#define MSG_NOSIGNAL 0 +#endif + +struct mp_ipc_ctx { + struct mp_log *log; + struct mp_client_api *client_api; + const char *path; + + mp_thread thread; + int death_pipe[2]; +}; + +struct client_arg { + struct mp_log *log; + struct mpv_handle *client; + + const char *client_name; + int client_fd; + bool close_client_fd; + bool quit_on_close; + + bool writable; +}; + +static int ipc_write_str(struct client_arg *client, const char *buf) +{ + size_t count = strlen(buf); + while (count > 0) { + ssize_t rc = send(client->client_fd, buf, count, MSG_NOSIGNAL); + if (rc <= 0) { + if (rc == 0) + return -1; + + if (errno == EBADF || errno == ENOTSOCK) { + client->writable = false; + return 0; + } + + if (errno == EINTR || errno == EAGAIN) + continue; + + return rc; + } + + count -= rc; + buf += rc; + } + + return 0; +} + +static MP_THREAD_VOID client_thread(void *p) +{ + // We don't use MSG_NOSIGNAL because the moldy fruit OS doesn't support it. + struct sigaction sa = { .sa_handler = SIG_IGN, .sa_flags = SA_RESTART }; + sigfillset(&sa.sa_mask); + sigaction(SIGPIPE, &sa, NULL); + + int rc; + + struct client_arg *arg = p; + bstr client_msg = { talloc_strdup(NULL, ""), 0 }; + + char *tname = talloc_asprintf(NULL, "ipc/%s", arg->client_name); + mp_thread_set_name(tname); + talloc_free(tname); + + int pipe_fd = mpv_get_wakeup_pipe(arg->client); + if (pipe_fd < 0) { + MP_ERR(arg, "Could not get wakeup pipe\n"); + goto done; + } + + MP_VERBOSE(arg, "Client connected\n"); + + struct pollfd fds[2] = { + {.events = POLLIN, .fd = pipe_fd}, + {.events = POLLIN, .fd = arg->client_fd}, + }; + + fcntl(arg->client_fd, F_SETFL, fcntl(arg->client_fd, F_GETFL, 0) | O_NONBLOCK); + + while (1) { + rc = poll(fds, 2, 0); + if (rc == 0) + rc = poll(fds, 2, -1); + if (rc < 0) { + MP_ERR(arg, "Poll error\n"); + continue; + } + + if (fds[0].revents & POLLIN) { + mp_flush_wakeup_pipe(pipe_fd); + + while (1) { + mpv_event *event = mpv_wait_event(arg->client, 0); + + if (event->event_id == MPV_EVENT_NONE) + break; + + if (event->event_id == MPV_EVENT_SHUTDOWN) + goto done; + + if (!arg->writable) + continue; + + char *event_msg = mp_json_encode_event(event); + if (!event_msg) { + MP_ERR(arg, "Encoding error\n"); + goto done; + } + + rc = ipc_write_str(arg, event_msg); + talloc_free(event_msg); + if (rc < 0) { + MP_ERR(arg, "Write error (%s)\n", mp_strerror(errno)); + goto done; + } + } + } + + if (fds[1].revents & (POLLIN | POLLHUP | POLLNVAL)) { + while (1) { + char buf[128]; + bstr append = { buf, 0 }; + + ssize_t bytes = read(arg->client_fd, buf, sizeof(buf)); + if (bytes < 0) { + if (errno == EAGAIN) + break; + + MP_ERR(arg, "Read error (%s)\n", mp_strerror(errno)); + goto done; + } + + if (bytes == 0) { + MP_VERBOSE(arg, "Client disconnected\n"); + goto done; + } + + append.len = bytes; + + bstr_xappend(NULL, &client_msg, append); + + while (bstrchr(client_msg, '\n') != -1) { + char *reply_msg = mp_ipc_consume_next_command(arg->client, + NULL, &client_msg); + + if (reply_msg && arg->writable) { + rc = ipc_write_str(arg, reply_msg); + if (rc < 0) { + MP_ERR(arg, "Write error (%s)\n", mp_strerror(errno)); + talloc_free(reply_msg); + goto done; + } + } + + talloc_free(reply_msg); + } + } + } + } + +done: + if (client_msg.len > 0) + MP_WARN(arg, "Ignoring unterminated command on disconnect.\n"); + talloc_free(client_msg.start); + if (arg->close_client_fd) + close(arg->client_fd); + struct mpv_handle *h = arg->client; + bool quit = arg->quit_on_close; + talloc_free(arg); + if (quit) { + mpv_terminate_destroy(h); + } else { + mpv_destroy(h); + } + MP_THREAD_RETURN(); +} + +static bool ipc_start_client(struct mp_ipc_ctx *ctx, struct client_arg *client, + bool free_on_init_fail) +{ + if (!client->client) + client->client = mp_new_client(ctx->client_api, client->client_name); + if (!client->client) + goto err; + + client->log = mp_client_get_log(client->client); + + mp_thread client_thr; + if (mp_thread_create(&client_thr, client_thread, client)) + goto err; + mp_thread_detach(client_thr); + + return true; + +err: + if (free_on_init_fail) { + if (client->client) + mpv_destroy(client->client); + + if (client->close_client_fd) + close(client->client_fd); + } + + talloc_free(client); + return false; +} + +static void ipc_start_client_json(struct mp_ipc_ctx *ctx, int id, int fd) +{ + struct client_arg *client = talloc_ptrtype(NULL, client); + *client = (struct client_arg){ + .client_name = + id >= 0 ? talloc_asprintf(client, "ipc-%d", id) : "ipc", + .client_fd = fd, + .close_client_fd = id >= 0, + .quit_on_close = id < 0, + .writable = true, + }; + + ipc_start_client(ctx, client, true); +} + +bool mp_ipc_start_anon_client(struct mp_ipc_ctx *ctx, struct mpv_handle *h, + int out_fd[2]) +{ + int pair[2]; + if (socketpair(AF_UNIX, SOCK_STREAM, 0, pair)) + return false; + mp_set_cloexec(pair[0]); + mp_set_cloexec(pair[1]); + + struct client_arg *client = talloc_ptrtype(NULL, client); + *client = (struct client_arg){ + .client = h, + .client_name = mpv_client_name(h), + .client_fd = pair[1], + .close_client_fd = true, + .writable = true, + }; + + if (!ipc_start_client(ctx, client, false)) { + close(pair[0]); + close(pair[1]); + return false; + } + + out_fd[0] = pair[0]; + out_fd[1] = -1; + return true; +} + +static MP_THREAD_VOID ipc_thread(void *p) +{ + int rc; + + int ipc_fd; + struct sockaddr_un ipc_un = {0}; + + struct mp_ipc_ctx *arg = p; + + mp_thread_set_name("ipc/socket"); + + MP_VERBOSE(arg, "Starting IPC master\n"); + + ipc_fd = socket(AF_UNIX, SOCK_STREAM, 0); + if (ipc_fd < 0) { + MP_ERR(arg, "Could not create IPC socket\n"); + goto done; + } + + fchmod(ipc_fd, 0600); + + size_t path_len = strlen(arg->path); + if (path_len >= sizeof(ipc_un.sun_path) - 1) { + MP_ERR(arg, "Could not create IPC socket\n"); + goto done; + } + + ipc_un.sun_family = AF_UNIX, + strncpy(ipc_un.sun_path, arg->path, sizeof(ipc_un.sun_path) - 1); + + unlink(ipc_un.sun_path); + + if (ipc_un.sun_path[0] == '@') { + ipc_un.sun_path[0] = '\0'; + path_len--; + } + + size_t addr_len = offsetof(struct sockaddr_un, sun_path) + 1 + path_len; + rc = bind(ipc_fd, (struct sockaddr *) &ipc_un, addr_len); + if (rc < 0) { + MP_ERR(arg, "Could not bind IPC socket\n"); + goto done; + } + + rc = listen(ipc_fd, 10); + if (rc < 0) { + MP_ERR(arg, "Could not listen on IPC socket\n"); + goto done; + } + + MP_VERBOSE(arg, "Listening to IPC socket.\n"); + + int client_num = 0; + + struct pollfd fds[2] = { + {.events = POLLIN, .fd = arg->death_pipe[0]}, + {.events = POLLIN, .fd = ipc_fd}, + }; + + while (1) { + rc = poll(fds, 2, -1); + if (rc < 0) { + MP_ERR(arg, "Poll error\n"); + continue; + } + + if (fds[0].revents & POLLIN) + goto done; + + if (fds[1].revents & POLLIN) { + int client_fd = accept(ipc_fd, NULL, NULL); + if (client_fd < 0) { + MP_ERR(arg, "Could not accept IPC client\n"); + goto done; + } + + ipc_start_client_json(arg, client_num++, client_fd); + } + } + +done: + if (ipc_fd >= 0) + close(ipc_fd); + + MP_THREAD_RETURN(); +} + +struct mp_ipc_ctx *mp_init_ipc(struct mp_client_api *client_api, + struct mpv_global *global) +{ + struct MPOpts *opts = mp_get_config_group(NULL, global, &mp_opt_root); + + struct mp_ipc_ctx *arg = talloc_ptrtype(NULL, arg); + *arg = (struct mp_ipc_ctx){ + .log = mp_log_new(arg, global->log, "ipc"), + .client_api = client_api, + .path = mp_get_user_path(arg, global, opts->ipc_path), + .death_pipe = {-1, -1}, + }; + + if (opts->ipc_client && opts->ipc_client[0]) { + int fd = -1; + if (strncmp(opts->ipc_client, "fd://", 5) == 0) { + char *end; + unsigned long l = strtoul(opts->ipc_client + 5, &end, 0); + if (!end[0] && l <= INT_MAX) + fd = l; + } + if (fd < 0) { + MP_ERR(arg, "Invalid IPC client argument: '%s'\n", opts->ipc_client); + } else { + ipc_start_client_json(arg, -1, fd); + } + } + + talloc_free(opts); + + if (!arg->path || !arg->path[0]) + goto out; + + if (mp_make_wakeup_pipe(arg->death_pipe) < 0) + goto out; + + if (mp_thread_create(&arg->thread, ipc_thread, arg)) + goto out; + + return arg; + +out: + if (arg->death_pipe[0] >= 0) { + close(arg->death_pipe[0]); + close(arg->death_pipe[1]); + } + talloc_free(arg); + return NULL; +} + +void mp_uninit_ipc(struct mp_ipc_ctx *arg) +{ + if (!arg) + return; + + (void)write(arg->death_pipe[1], &(char){0}, 1); + mp_thread_join(arg->thread); + + close(arg->death_pipe[0]); + close(arg->death_pipe[1]); + talloc_free(arg); +} diff --git a/input/ipc-win.c b/input/ipc-win.c new file mode 100644 index 0000000..b0200ea --- /dev/null +++ b/input/ipc-win.c @@ -0,0 +1,509 @@ +/* + * 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 <windows.h> +#include <sddl.h> + +#include "osdep/io.h" +#include "osdep/threads.h" +#include "osdep/windows_utils.h" + +#include "common/common.h" +#include "common/global.h" +#include "common/msg.h" +#include "input/input.h" +#include "libmpv/client.h" +#include "options/m_config.h" +#include "options/options.h" +#include "player/client.h" + +struct mp_ipc_ctx { + struct mp_log *log; + struct mp_client_api *client_api; + const wchar_t *path; + + mp_thread thread; + HANDLE death_event; +}; + +struct client_arg { + struct mp_log *log; + struct mpv_handle *client; + + char *client_name; + HANDLE client_h; + bool writable; + OVERLAPPED write_ol; +}; + +// Get a string SID representing the current user. Must be freed by LocalFree. +static char *get_user_sid(void) +{ + char *ssid = NULL; + TOKEN_USER *info = NULL; + HANDLE t; + if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &t)) + goto done; + + DWORD info_len; + if (!GetTokenInformation(t, TokenUser, NULL, 0, &info_len) && + GetLastError() != ERROR_INSUFFICIENT_BUFFER) + goto done; + + info = talloc_size(NULL, info_len); + if (!GetTokenInformation(t, TokenUser, info, info_len, &info_len)) + goto done; + if (!info->User.Sid) + goto done; + + ConvertSidToStringSidA(info->User.Sid, &ssid); +done: + if (t) + CloseHandle(t); + talloc_free(info); + return ssid; +} + +// Get a string SID for the process integrity level. Must be freed by LocalFree. +static char *get_integrity_sid(void) +{ + char *ssid = NULL; + TOKEN_MANDATORY_LABEL *info = NULL; + HANDLE t; + if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &t)) + goto done; + + DWORD info_len; + if (!GetTokenInformation(t, TokenIntegrityLevel, NULL, 0, &info_len) && + GetLastError() != ERROR_INSUFFICIENT_BUFFER) + goto done; + + info = talloc_size(NULL, info_len); + if (!GetTokenInformation(t, TokenIntegrityLevel, info, info_len, &info_len)) + goto done; + if (!info->Label.Sid) + goto done; + + ConvertSidToStringSidA(info->Label.Sid, &ssid); +done: + if (t) + CloseHandle(t); + talloc_free(info); + return ssid; +} + +// Create a security descriptor that only grants access to processes running +// under the current user at the current integrity level or higher +static PSECURITY_DESCRIPTOR create_restricted_sd(void) +{ + char *user_sid = get_user_sid(); + char *integrity_sid = get_integrity_sid(); + if (!user_sid || !integrity_sid) + return NULL; + + char *sddl = talloc_asprintf(NULL, + "O:%s" // Set the owner to user_sid + "D:(A;;GRGW;;;%s)" // Grant GENERIC_{READ,WRITE} access to user_sid + "S:(ML;;NRNWNX;;;%s)", // Disallow read, write and execute permissions + // to integrity levels below integrity_sid + user_sid, user_sid, integrity_sid); + LocalFree(user_sid); + LocalFree(integrity_sid); + + PSECURITY_DESCRIPTOR sd = NULL; + ConvertStringSecurityDescriptorToSecurityDescriptorA(sddl, SDDL_REVISION_1, + &sd, NULL); + talloc_free(sddl); + + return sd; +} + +static void wakeup_cb(void *d) +{ + HANDLE event = d; + SetEvent(event); +} + +// Wrapper for ReadFile that treats ERROR_IO_PENDING as success +static DWORD async_read(HANDLE file, void *buf, unsigned size, OVERLAPPED* ol) +{ + DWORD err = ReadFile(file, buf, size, NULL, ol) ? 0 : GetLastError(); + return err == ERROR_IO_PENDING ? 0 : err; +} + +// Wrapper for WriteFile that treats ERROR_IO_PENDING as success +static DWORD async_write(HANDLE file, const void *buf, unsigned size, OVERLAPPED* ol) +{ + DWORD err = WriteFile(file, buf, size, NULL, ol) ? 0 : GetLastError(); + return err == ERROR_IO_PENDING ? 0 : err; +} + +static bool pipe_error_is_fatal(DWORD error) +{ + switch (error) { + case 0: + case ERROR_HANDLE_EOF: + case ERROR_BROKEN_PIPE: + case ERROR_PIPE_NOT_CONNECTED: + case ERROR_NO_DATA: + return false; + } + return true; +} + +static DWORD ipc_write_str(struct client_arg *arg, const char *buf) +{ + DWORD error = 0; + + if ((error = async_write(arg->client_h, buf, strlen(buf), &arg->write_ol))) + goto done; + if (!GetOverlappedResult(arg->client_h, &arg->write_ol, &(DWORD){0}, TRUE)) { + error = GetLastError(); + goto done; + } + +done: + if (pipe_error_is_fatal(error)) { + MP_VERBOSE(arg, "Error writing to pipe: %s\n", + mp_HRESULT_to_str(HRESULT_FROM_WIN32(error))); + } + + if (error) + arg->writable = false; + return error; +} + +static void report_read_error(struct client_arg *arg, DWORD error) +{ + // Only report the error if it's not just due to the pipe closing + if (pipe_error_is_fatal(error)) { + MP_ERR(arg, "Error reading from pipe: %s\n", + mp_HRESULT_to_str(HRESULT_FROM_WIN32(error))); + } else { + MP_VERBOSE(arg, "Client disconnected\n"); + } +} + +static MP_THREAD_VOID client_thread(void *p) +{ + struct client_arg *arg = p; + char buf[4096]; + HANDLE wakeup_event = CreateEventW(NULL, TRUE, FALSE, NULL); + OVERLAPPED ol = { .hEvent = CreateEventW(NULL, TRUE, TRUE, NULL) }; + bstr client_msg = { talloc_strdup(NULL, ""), 0 }; + DWORD ioerr = 0; + DWORD r; + + char *tname = talloc_asprintf(NULL, "ipc/%s", arg->client_name); + mp_thread_set_name(tname); + talloc_free(tname); + + arg->write_ol.hEvent = CreateEventW(NULL, TRUE, TRUE, NULL); + if (!wakeup_event || !ol.hEvent || !arg->write_ol.hEvent) { + MP_ERR(arg, "Couldn't create events\n"); + goto done; + } + + MP_VERBOSE(arg, "Client connected\n"); + + mpv_set_wakeup_callback(arg->client, wakeup_cb, wakeup_event); + + // Do the first read operation on the pipe + if ((ioerr = async_read(arg->client_h, buf, 4096, &ol))) { + report_read_error(arg, ioerr); + goto done; + } + + while (1) { + HANDLE handles[] = { wakeup_event, ol.hEvent }; + int n = WaitForMultipleObjects(2, handles, FALSE, 0); + if (n == WAIT_TIMEOUT) + n = WaitForMultipleObjects(2, handles, FALSE, INFINITE); + + switch (n) { + case WAIT_OBJECT_0: // wakeup_event + ResetEvent(wakeup_event); + + while (1) { + mpv_event *event = mpv_wait_event(arg->client, 0); + + if (event->event_id == MPV_EVENT_NONE) + break; + + if (event->event_id == MPV_EVENT_SHUTDOWN) + goto done; + + if (!arg->writable) + continue; + + char *event_msg = mp_json_encode_event(event); + if (!event_msg) { + MP_ERR(arg, "Encoding error\n"); + goto done; + } + + ipc_write_str(arg, event_msg); + talloc_free(event_msg); + } + + break; + case WAIT_OBJECT_0 + 1: // ol.hEvent + // Complete the read operation on the pipe + if (!GetOverlappedResult(arg->client_h, &ol, &r, TRUE)) { + report_read_error(arg, GetLastError()); + goto done; + } + + bstr_xappend(NULL, &client_msg, (bstr){buf, r}); + while (bstrchr(client_msg, '\n') != -1) { + char *reply_msg = mp_ipc_consume_next_command(arg->client, + NULL, &client_msg); + if (reply_msg && arg->writable) + ipc_write_str(arg, reply_msg); + talloc_free(reply_msg); + } + + // Begin the next read operation on the pipe + if ((ioerr = async_read(arg->client_h, buf, 4096, &ol))) { + report_read_error(arg, ioerr); + goto done; + } + break; + default: + MP_ERR(arg, "WaitForMultipleObjects failed\n"); + goto done; + } + } + +done: + if (client_msg.len > 0) + MP_WARN(arg, "Ignoring unterminated command on disconnect.\n"); + + if (CancelIoEx(arg->client_h, &ol) || GetLastError() != ERROR_NOT_FOUND) + GetOverlappedResult(arg->client_h, &ol, &(DWORD){0}, TRUE); + if (wakeup_event) + CloseHandle(wakeup_event); + if (ol.hEvent) + CloseHandle(ol.hEvent); + if (arg->write_ol.hEvent) + CloseHandle(arg->write_ol.hEvent); + + CloseHandle(arg->client_h); + mpv_destroy(arg->client); + talloc_free(arg); + MP_THREAD_RETURN(); +} + +static void ipc_start_client(struct mp_ipc_ctx *ctx, struct client_arg *client) +{ + client->client = mp_new_client(ctx->client_api, client->client_name), + client->log = mp_client_get_log(client->client); + + mp_thread client_thr; + if (mp_thread_create(&client_thr, client_thread, client)) { + mpv_destroy(client->client); + CloseHandle(client->client_h); + talloc_free(client); + } + mp_thread_detach(client_thr); +} + +static void ipc_start_client_json(struct mp_ipc_ctx *ctx, int id, HANDLE h) +{ + struct client_arg *client = talloc_ptrtype(NULL, client); + *client = (struct client_arg){ + .client_name = talloc_asprintf(client, "ipc-%d", id), + .client_h = h, + .writable = true, + }; + + ipc_start_client(ctx, client); +} + +bool mp_ipc_start_anon_client(struct mp_ipc_ctx *ctx, struct mpv_handle *h, + int out_fd[2]) +{ + return false; +} + +static MP_THREAD_VOID ipc_thread(void *p) +{ + // Use PIPE_TYPE_MESSAGE | PIPE_READMODE_BYTE so message framing is + // maintained for message-mode clients, but byte-mode clients can still + // connect, send and receive data. This is the most compatible mode. + static const DWORD state = + PIPE_TYPE_MESSAGE | PIPE_READMODE_BYTE | PIPE_WAIT | + PIPE_REJECT_REMOTE_CLIENTS; + static const DWORD mode = + PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED; + static const DWORD bufsiz = 4096; + + struct mp_ipc_ctx *arg = p; + HANDLE server = INVALID_HANDLE_VALUE; + HANDLE client = INVALID_HANDLE_VALUE; + int client_num = 0; + + mp_thread_set_name("ipc/named-pipe"); + MP_VERBOSE(arg, "Starting IPC master\n"); + + OVERLAPPED ol = {0}; + SECURITY_ATTRIBUTES sa = { + .nLength = sizeof sa, + .lpSecurityDescriptor = create_restricted_sd(), + }; + if (!sa.lpSecurityDescriptor) { + MP_ERR(arg, "Couldn't create security descriptor"); + goto done; + } + + ol = (OVERLAPPED){ .hEvent = CreateEventW(NULL, TRUE, TRUE, NULL) }; + if (!ol.hEvent) { + MP_ERR(arg, "Couldn't create event"); + goto done; + } + + server = CreateNamedPipeW(arg->path, mode | FILE_FLAG_FIRST_PIPE_INSTANCE, + state, PIPE_UNLIMITED_INSTANCES, bufsiz, bufsiz, 0, &sa); + if (server == INVALID_HANDLE_VALUE) { + MP_ERR(arg, "Couldn't create first pipe instance: %s\n", + mp_LastError_to_str()); + goto done; + } + + MP_VERBOSE(arg, "Listening to IPC pipe.\n"); + + while (1) { + DWORD err = ConnectNamedPipe(server, &ol) ? 0 : GetLastError(); + + if (err == ERROR_IO_PENDING) { + int n = WaitForMultipleObjects(2, (HANDLE[]) { + arg->death_event, + ol.hEvent, + }, FALSE, INFINITE) - WAIT_OBJECT_0; + + switch (n) { + case 0: + // Stop waiting for new clients + CancelIo(server); + GetOverlappedResult(server, &ol, &(DWORD){0}, TRUE); + goto done; + case 1: + // Complete the ConnectNamedPipe request + err = GetOverlappedResult(server, &ol, &(DWORD){0}, TRUE) + ? 0 : GetLastError(); + break; + default: + MP_ERR(arg, "WaitForMultipleObjects failed\n"); + goto done; + } + } + + // ERROR_PIPE_CONNECTED is returned if a client connects before + // ConnectNamedPipe is called. ERROR_NO_DATA is returned if a client + // connects, (possibly) writes data and exits before ConnectNamedPipe + // is called. Both cases should be handled as normal connections. + if (err == ERROR_PIPE_CONNECTED || err == ERROR_NO_DATA) + err = 0; + + if (err) { + MP_ERR(arg, "ConnectNamedPipe failed: %s\n", + mp_HRESULT_to_str(HRESULT_FROM_WIN32(err))); + goto done; + } + + // Create the next pipe instance before the client thread to avoid the + // theoretical race condition where the client thread immediately + // closes the handle and there are no active instances of the pipe + client = server; + server = CreateNamedPipeW(arg->path, mode, state, + PIPE_UNLIMITED_INSTANCES, bufsiz, bufsiz, 0, &sa); + if (server == INVALID_HANDLE_VALUE) { + MP_ERR(arg, "Couldn't create additional pipe instance: %s\n", + mp_LastError_to_str()); + goto done; + } + + ipc_start_client_json(arg, client_num++, client); + client = NULL; + } + +done: + if (sa.lpSecurityDescriptor) + LocalFree(sa.lpSecurityDescriptor); + if (client != INVALID_HANDLE_VALUE) + CloseHandle(client); + if (server != INVALID_HANDLE_VALUE) + CloseHandle(server); + if (ol.hEvent) + CloseHandle(ol.hEvent); + MP_THREAD_RETURN(); +} + +struct mp_ipc_ctx *mp_init_ipc(struct mp_client_api *client_api, + struct mpv_global *global) +{ + struct MPOpts *opts = mp_get_config_group(NULL, global, &mp_opt_root); + + struct mp_ipc_ctx *arg = talloc_ptrtype(NULL, arg); + *arg = (struct mp_ipc_ctx){ + .log = mp_log_new(arg, global->log, "ipc"), + .client_api = client_api, + }; + + if (!opts->ipc_path || !*opts->ipc_path) + goto out; + + // Ensure the path is a legal Win32 pipe name by prepending \\.\pipe\ if + // it's not already present. Qt's QLocalSocket uses the same logic, so + // cross-platform programs that use paths like /tmp/mpv-socket should just + // work. (Win32 converts this path to \Device\NamedPipe\tmp\mpv-socket) + if (!strncmp(opts->ipc_path, "\\\\.\\pipe\\", 9)) { + arg->path = mp_from_utf8(arg, opts->ipc_path); + } else { + char *path = talloc_asprintf(NULL, "\\\\.\\pipe\\%s", opts->ipc_path); + arg->path = mp_from_utf8(arg, path); + talloc_free(path); + } + + if (!(arg->death_event = CreateEventW(NULL, TRUE, FALSE, NULL))) + goto out; + + if (mp_thread_create(&arg->thread, ipc_thread, arg)) + goto out; + + talloc_free(opts); + return arg; + +out: + if (arg->death_event) + CloseHandle(arg->death_event); + talloc_free(arg); + talloc_free(opts); + return NULL; +} + +void mp_uninit_ipc(struct mp_ipc_ctx *arg) +{ + if (!arg) + return; + + SetEvent(arg->death_event); + mp_thread_join(arg->thread); + + CloseHandle(arg->death_event); + talloc_free(arg); +} diff --git a/input/ipc.c b/input/ipc.c new file mode 100644 index 0000000..ea69fb7 --- /dev/null +++ b/input/ipc.c @@ -0,0 +1,414 @@ +/* + * 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 "common/msg.h" +#include "input/input.h" +#include "misc/json.h" +#include "misc/node.h" +#include "options/m_option.h" +#include "options/options.h" +#include "options/path.h" +#include "player/client.h" + +static mpv_node *mpv_node_array_get(mpv_node *src, int index) +{ + if (src->format != MPV_FORMAT_NODE_ARRAY) + return NULL; + + if (src->u.list->num < (index + 1)) + return NULL; + + return &src->u.list->values[index]; +} + +static void mpv_node_map_add(void *ta_parent, mpv_node *src, const char *key, mpv_node *val) +{ + if (src->format != MPV_FORMAT_NODE_MAP) + return; + + if (!src->u.list) + src->u.list = talloc_zero(ta_parent, mpv_node_list); + + MP_TARRAY_GROW(src->u.list, src->u.list->keys, src->u.list->num); + MP_TARRAY_GROW(src->u.list, src->u.list->values, src->u.list->num); + + src->u.list->keys[src->u.list->num] = talloc_strdup(ta_parent, key); + + static const struct m_option type = { .type = CONF_TYPE_NODE }; + m_option_get_node(&type, ta_parent, &src->u.list->values[src->u.list->num], val); + + src->u.list->num++; +} + +static void mpv_node_map_add_null(void *ta_parent, mpv_node *src, const char *key) +{ + mpv_node val_node = {.format = MPV_FORMAT_NONE}; + mpv_node_map_add(ta_parent, src, key, &val_node); +} + +static void mpv_node_map_add_int64(void *ta_parent, mpv_node *src, const char *key, int64_t val) +{ + mpv_node val_node = {.format = MPV_FORMAT_INT64, .u.int64 = val}; + mpv_node_map_add(ta_parent, src, key, &val_node); +} + +static void mpv_node_map_add_string(void *ta_parent, mpv_node *src, const char *key, const char *val) +{ + mpv_node val_node = {.format = MPV_FORMAT_STRING, .u.string = (char*)val}; + mpv_node_map_add(ta_parent, src, key, &val_node); +} + +// This is supposed to write a reply that looks like "normal" command execution. +static void mpv_format_command_reply(void *ta_parent, mpv_event *event, + mpv_node *dst) +{ + assert(event->event_id == MPV_EVENT_COMMAND_REPLY); + mpv_event_command *cmd = event->data; + + mpv_node_map_add_int64(ta_parent, dst, "request_id", event->reply_userdata); + + mpv_node_map_add_string(ta_parent, dst, "error", + mpv_error_string(event->error)); + + mpv_node_map_add(ta_parent, dst, "data", &cmd->result); +} + +char *mp_json_encode_event(mpv_event *event) +{ + void *ta_parent = talloc_new(NULL); + + struct mpv_node event_node; + if (event->event_id == MPV_EVENT_COMMAND_REPLY) { + event_node = (mpv_node){.format = MPV_FORMAT_NODE_MAP, .u.list = NULL}; + mpv_format_command_reply(ta_parent, event, &event_node); + } else { + mpv_event_to_node(&event_node, event); + // Abuse mpv_event_to_node() internals. + talloc_steal(ta_parent, node_get_alloc(&event_node)); + } + + char *output = talloc_strdup(NULL, ""); + json_write(&output, &event_node); + output = ta_talloc_strdup_append(output, "\n"); + + talloc_free(ta_parent); + + return output; +} + +// Function is allowed to modify src[n]. +static char *json_execute_command(struct mpv_handle *client, void *ta_parent, + char *src) +{ + int rc; + const char *cmd = NULL; + struct mp_log *log = mp_client_get_log(client); + + mpv_node msg_node; + mpv_node reply_node = {.format = MPV_FORMAT_NODE_MAP, .u.list = NULL}; + mpv_node *reqid_node = NULL; + int64_t reqid = 0; + mpv_node *async_node = NULL; + bool async = false; + bool send_reply = true; + + rc = json_parse(ta_parent, &msg_node, &src, MAX_JSON_DEPTH); + if (rc < 0) { + mp_err(log, "malformed JSON received: '%s'\n", src); + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + if (msg_node.format != MPV_FORMAT_NODE_MAP) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + async_node = node_map_get(&msg_node, "async"); + if (async_node) { + if (async_node->format != MPV_FORMAT_FLAG) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + async = async_node->u.flag; + } + + reqid_node = node_map_get(&msg_node, "request_id"); + if (reqid_node) { + if (reqid_node->format == MPV_FORMAT_INT64) { + reqid = reqid_node->u.int64; + } else if (async) { + mp_err(log, "'request_id' must be an integer for async commands.\n"); + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } else { + mp_warn(log, "'request_id' must be an integer. Using other types is " + "deprecated and will trigger an error in the future!\n"); + } + } + + mpv_node *cmd_node = node_map_get(&msg_node, "command"); + if (!cmd_node) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + if (cmd_node->format == MPV_FORMAT_NODE_ARRAY) { + mpv_node *cmd_str_node = mpv_node_array_get(cmd_node, 0); + if (!cmd_str_node || (cmd_str_node->format != MPV_FORMAT_STRING)) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + cmd = cmd_str_node->u.string; + } + + if (cmd && !strcmp("client_name", cmd)) { + const char *client_name = mpv_client_name(client); + mpv_node_map_add_string(ta_parent, &reply_node, "data", client_name); + rc = MPV_ERROR_SUCCESS; + } else if (cmd && !strcmp("get_time_us", cmd)) { + int64_t time_us = mpv_get_time_us(client); + mpv_node_map_add_int64(ta_parent, &reply_node, "data", time_us); + rc = MPV_ERROR_SUCCESS; + } else if (cmd && !strcmp("get_version", cmd)) { + int64_t ver = mpv_client_api_version(); + mpv_node_map_add_int64(ta_parent, &reply_node, "data", ver); + rc = MPV_ERROR_SUCCESS; + } else if (cmd && !strcmp("get_property", cmd)) { + mpv_node result_node; + + if (cmd_node->u.list->num != 2) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + if (cmd_node->u.list->values[1].format != MPV_FORMAT_STRING) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + rc = mpv_get_property(client, cmd_node->u.list->values[1].u.string, + MPV_FORMAT_NODE, &result_node); + if (rc >= 0) { + mpv_node_map_add(ta_parent, &reply_node, "data", &result_node); + mpv_free_node_contents(&result_node); + } + } else if (cmd && !strcmp("get_property_string", cmd)) { + if (cmd_node->u.list->num != 2) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + if (cmd_node->u.list->values[1].format != MPV_FORMAT_STRING) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + char *result = mpv_get_property_string(client, + cmd_node->u.list->values[1].u.string); + if (result) { + mpv_node_map_add_string(ta_parent, &reply_node, "data", result); + mpv_free(result); + } else { + mpv_node_map_add_null(ta_parent, &reply_node, "data"); + } + } else if (cmd && (!strcmp("set_property", cmd) || + !strcmp("set_property_string", cmd))) + { + if (cmd_node->u.list->num != 3) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + if (cmd_node->u.list->values[1].format != MPV_FORMAT_STRING) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + rc = mpv_set_property(client, cmd_node->u.list->values[1].u.string, + MPV_FORMAT_NODE, &cmd_node->u.list->values[2]); + } else if (cmd && !strcmp("observe_property", cmd)) { + if (cmd_node->u.list->num != 3) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + if (cmd_node->u.list->values[1].format != MPV_FORMAT_INT64) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + if (cmd_node->u.list->values[2].format != MPV_FORMAT_STRING) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + rc = mpv_observe_property(client, + cmd_node->u.list->values[1].u.int64, + cmd_node->u.list->values[2].u.string, + MPV_FORMAT_NODE); + } else if (cmd && !strcmp("observe_property_string", cmd)) { + if (cmd_node->u.list->num != 3) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + if (cmd_node->u.list->values[1].format != MPV_FORMAT_INT64) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + if (cmd_node->u.list->values[2].format != MPV_FORMAT_STRING) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + rc = mpv_observe_property(client, + cmd_node->u.list->values[1].u.int64, + cmd_node->u.list->values[2].u.string, + MPV_FORMAT_STRING); + } else if (cmd && !strcmp("unobserve_property", cmd)) { + if (cmd_node->u.list->num != 2) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + if (cmd_node->u.list->values[1].format != MPV_FORMAT_INT64) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + rc = mpv_unobserve_property(client, + cmd_node->u.list->values[1].u.int64); + } else if (cmd && !strcmp("request_log_messages", cmd)) { + if (cmd_node->u.list->num != 2) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + if (cmd_node->u.list->values[1].format != MPV_FORMAT_STRING) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + rc = mpv_request_log_messages(client, + cmd_node->u.list->values[1].u.string); + } else if (cmd && (!strcmp("enable_event", cmd) || + !strcmp("disable_event", cmd))) + { + bool enable = !strcmp("enable_event", cmd); + + if (cmd_node->u.list->num != 2) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + if (cmd_node->u.list->values[1].format != MPV_FORMAT_STRING) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + + char *name = cmd_node->u.list->values[1].u.string; + if (strcmp(name, "all") == 0) { + for (int n = 0; n < 64; n++) + mpv_request_event(client, n, enable); + rc = MPV_ERROR_SUCCESS; + } else { + int event = -1; + for (int n = 0; n < 64; n++) { + const char *evname = mpv_event_name(n); + if (evname && strcmp(evname, name) == 0) + event = n; + } + if (event < 0) { + rc = MPV_ERROR_INVALID_PARAMETER; + goto error; + } + rc = mpv_request_event(client, event, enable); + } + } else { + mpv_node result_node = {0}; + + if (async) { + rc = mpv_command_node_async(client, reqid, cmd_node); + if (rc >= 0) + send_reply = false; + } else { + rc = mpv_command_node(client, cmd_node, &result_node); + if (rc >= 0) + mpv_node_map_add(ta_parent, &reply_node, "data", &result_node); + } + + mpv_free_node_contents(&result_node); + } + +error: + /* If the request contains a "request_id", copy it back into the response. + * This makes it easier on the requester to match up the IPC results with + * the original requests. + */ + if (reqid_node) { + mpv_node_map_add(ta_parent, &reply_node, "request_id", reqid_node); + } else { + mpv_node_map_add_int64(ta_parent, &reply_node, "request_id", 0); + } + + mpv_node_map_add_string(ta_parent, &reply_node, "error", mpv_error_string(rc)); + + char *output = talloc_strdup(ta_parent, ""); + + if (send_reply) { + json_write(&output, &reply_node); + output = ta_talloc_strdup_append(output, "\n"); + } + + return output; +} + +static char *text_execute_command(struct mpv_handle *client, void *tmp, char *src) +{ + mpv_command_string(client, src); + + return NULL; +} + +char *mp_ipc_consume_next_command(struct mpv_handle *client, void *ctx, bstr *buf) +{ + void *tmp = talloc_new(NULL); + + bstr rest; + bstr line = bstr_getline(*buf, &rest); + char *line0 = bstrto0(tmp, line); + talloc_steal(tmp, buf->start); + *buf = bstrdup(NULL, rest); + + json_skip_whitespace(&line0); + + char *reply_msg = NULL; + if (line0[0] == '\0' || line0[0] == '#') { + // skip + } else if (line0[0] == '{') { + reply_msg = json_execute_command(client, tmp, line0); + } else { + reply_msg = text_execute_command(client, tmp, line0); + } + + talloc_steal(ctx, reply_msg); + talloc_free(tmp); + return reply_msg; +} diff --git a/input/keycodes.c b/input/keycodes.c new file mode 100644 index 0000000..bca9e17 --- /dev/null +++ b/input/keycodes.c @@ -0,0 +1,379 @@ +/* + * 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 <stddef.h> +#include <string.h> +#include <strings.h> + +#include "misc/bstr.h" +#include "common/common.h" +#include "common/msg.h" + +#include "keycodes.h" + +struct key_name { + int key; + char *name; +}; + +/// The names of the keys as used in input.conf +/// If you add some new keys, you also need to add them here + +static const struct key_name key_names[] = { + { ' ', "SPACE" }, + { '#', "SHARP" }, + { 0x3000, "IDEOGRAPHIC_SPACE" }, + { MP_KEY_ENTER, "ENTER" }, + { MP_KEY_TAB, "TAB" }, + { MP_KEY_BACKSPACE, "BS" }, + { MP_KEY_DELETE, "DEL" }, + { MP_KEY_INSERT, "INS" }, + { MP_KEY_HOME, "HOME" }, + { MP_KEY_END, "END" }, + { MP_KEY_PAGE_UP, "PGUP" }, + { MP_KEY_PAGE_DOWN, "PGDWN" }, + { MP_KEY_ESC, "ESC" }, + { MP_KEY_PRINT, "PRINT" }, + { MP_KEY_RIGHT, "RIGHT" }, + { MP_KEY_LEFT, "LEFT" }, + { MP_KEY_DOWN, "DOWN" }, + { MP_KEY_UP, "UP" }, + { MP_KEY_F+1, "F1" }, + { MP_KEY_F+2, "F2" }, + { MP_KEY_F+3, "F3" }, + { MP_KEY_F+4, "F4" }, + { MP_KEY_F+5, "F5" }, + { MP_KEY_F+6, "F6" }, + { MP_KEY_F+7, "F7" }, + { MP_KEY_F+8, "F8" }, + { MP_KEY_F+9, "F9" }, + { MP_KEY_F+10, "F10" }, + { MP_KEY_F+11, "F11" }, + { MP_KEY_F+12, "F12" }, + { MP_KEY_F+13, "F13" }, + { MP_KEY_F+14, "F14" }, + { MP_KEY_F+15, "F15" }, + { MP_KEY_F+16, "F16" }, + { MP_KEY_F+17, "F17" }, + { MP_KEY_F+18, "F18" }, + { MP_KEY_F+19, "F19" }, + { MP_KEY_F+20, "F20" }, + { MP_KEY_F+21, "F21" }, + { MP_KEY_F+22, "F22" }, + { MP_KEY_F+23, "F23" }, + { MP_KEY_F+24, "F24" }, + { MP_KEY_KP0, "KP0" }, + { MP_KEY_KP1, "KP1" }, + { MP_KEY_KP2, "KP2" }, + { MP_KEY_KP3, "KP3" }, + { MP_KEY_KP4, "KP4" }, + { MP_KEY_KP5, "KP5" }, + { MP_KEY_KP6, "KP6" }, + { MP_KEY_KP7, "KP7" }, + { MP_KEY_KP8, "KP8" }, + { MP_KEY_KP9, "KP9" }, + { MP_KEY_KPDEL, "KP_DEL" }, + { MP_KEY_KPDEC, "KP_DEC" }, + { MP_KEY_KPINS, "KP_INS" }, + { MP_KEY_KPHOME, "KP_HOME" }, + { MP_KEY_KPEND, "KP_END" }, + { MP_KEY_KPPGUP, "KP_PGUP" }, + { MP_KEY_KPPGDOWN, "KP_PGDWN" }, + { MP_KEY_KPRIGHT, "KP_RIGHT" }, + { MP_KEY_KPLEFT, "KP_LEFT" }, + { MP_KEY_KPDOWN, "KP_DOWN" }, + { MP_KEY_KPUP, "KP_UP" }, + { MP_KEY_KPENTER, "KP_ENTER" }, + { MP_MBTN_LEFT, "MBTN_LEFT" }, + { MP_MBTN_MID, "MBTN_MID" }, + { MP_MBTN_RIGHT, "MBTN_RIGHT" }, + { MP_WHEEL_UP, "WHEEL_UP" }, + { MP_WHEEL_DOWN, "WHEEL_DOWN" }, + { MP_WHEEL_LEFT, "WHEEL_LEFT" }, + { MP_WHEEL_RIGHT, "WHEEL_RIGHT" }, + { MP_MBTN_BACK, "MBTN_BACK" }, + { MP_MBTN_FORWARD, "MBTN_FORWARD" }, + { MP_MBTN9, "MBTN9" }, + { MP_MBTN10, "MBTN10" }, + { MP_MBTN11, "MBTN11" }, + { MP_MBTN12, "MBTN12" }, + { MP_MBTN13, "MBTN13" }, + { MP_MBTN14, "MBTN14" }, + { MP_MBTN15, "MBTN15" }, + { MP_MBTN16, "MBTN16" }, + { MP_MBTN17, "MBTN17" }, + { MP_MBTN18, "MBTN18" }, + { MP_MBTN19, "MBTN19" }, + { MP_MBTN_LEFT_DBL, "MBTN_LEFT_DBL" }, + { MP_MBTN_MID_DBL, "MBTN_MID_DBL" }, + { MP_MBTN_RIGHT_DBL, "MBTN_RIGHT_DBL" }, + + { MP_KEY_GAMEPAD_ACTION_DOWN, "GAMEPAD_ACTION_DOWN" }, + { MP_KEY_GAMEPAD_ACTION_RIGHT, "GAMEPAD_ACTION_RIGHT" }, + { MP_KEY_GAMEPAD_ACTION_LEFT, "GAMEPAD_ACTION_LEFT" }, + { MP_KEY_GAMEPAD_ACTION_UP, "GAMEPAD_ACTION_UP" }, + { MP_KEY_GAMEPAD_BACK, "GAMEPAD_BACK" }, + { MP_KEY_GAMEPAD_MENU, "GAMEPAD_MENU" }, + { MP_KEY_GAMEPAD_START, "GAMEPAD_START" }, + { MP_KEY_GAMEPAD_LEFT_SHOULDER, "GAMEPAD_LEFT_SHOULDER" }, + { MP_KEY_GAMEPAD_RIGHT_SHOULDER, "GAMEPAD_RIGHT_SHOULDER" }, + { MP_KEY_GAMEPAD_LEFT_TRIGGER, "GAMEPAD_LEFT_TRIGGER" }, + { MP_KEY_GAMEPAD_RIGHT_TRIGGER, "GAMEPAD_RIGHT_TRIGGER" }, + { MP_KEY_GAMEPAD_LEFT_STICK, "GAMEPAD_LEFT_STICK" }, + { MP_KEY_GAMEPAD_RIGHT_STICK, "GAMEPAD_RIGHT_STICK" }, + { MP_KEY_GAMEPAD_DPAD_UP, "GAMEPAD_DPAD_UP" }, + { MP_KEY_GAMEPAD_DPAD_DOWN, "GAMEPAD_DPAD_DOWN" }, + { MP_KEY_GAMEPAD_DPAD_LEFT, "GAMEPAD_DPAD_LEFT" }, + { MP_KEY_GAMEPAD_DPAD_RIGHT, "GAMEPAD_DPAD_RIGHT" }, + { MP_KEY_GAMEPAD_LEFT_STICK_UP, "GAMEPAD_LEFT_STICK_UP" }, + { MP_KEY_GAMEPAD_LEFT_STICK_DOWN, "GAMEPAD_LEFT_STICK_DOWN" }, + { MP_KEY_GAMEPAD_LEFT_STICK_LEFT, "GAMEPAD_LEFT_STICK_LEFT" }, + { MP_KEY_GAMEPAD_LEFT_STICK_RIGHT, "GAMEPAD_LEFT_STICK_RIGHT" }, + { MP_KEY_GAMEPAD_RIGHT_STICK_UP, "GAMEPAD_RIGHT_STICK_UP" }, + { MP_KEY_GAMEPAD_RIGHT_STICK_DOWN, "GAMEPAD_RIGHT_STICK_DOWN" }, + { MP_KEY_GAMEPAD_RIGHT_STICK_LEFT, "GAMEPAD_RIGHT_STICK_LEFT" }, + { MP_KEY_GAMEPAD_RIGHT_STICK_RIGHT, "GAMEPAD_RIGHT_STICK_RIGHT" }, + + { MP_KEY_POWER, "POWER" }, + { MP_KEY_MENU, "MENU" }, + { MP_KEY_PLAY, "PLAY" }, + { MP_KEY_PAUSE, "PAUSE" }, + { MP_KEY_PLAYPAUSE, "PLAYPAUSE" }, + { MP_KEY_STOP, "STOP" }, + { MP_KEY_FORWARD, "FORWARD" }, + { MP_KEY_REWIND, "REWIND" }, + { MP_KEY_NEXT, "NEXT" }, + { MP_KEY_PREV, "PREV" }, + { MP_KEY_VOLUME_UP, "VOLUME_UP" }, + { MP_KEY_VOLUME_DOWN, "VOLUME_DOWN" }, + { MP_KEY_MUTE, "MUTE" }, + { MP_KEY_HOMEPAGE, "HOMEPAGE" }, + { MP_KEY_WWW, "WWW" }, + { MP_KEY_MAIL, "MAIL" }, + { MP_KEY_FAVORITES, "FAVORITES" }, + { MP_KEY_SEARCH, "SEARCH" }, + { MP_KEY_SLEEP, "SLEEP" }, + { MP_KEY_CANCEL, "CANCEL" }, + { MP_KEY_RECORD, "RECORD" }, + { MP_KEY_CHANNEL_UP, "CHANNEL_UP" }, + { MP_KEY_CHANNEL_DOWN,"CHANNEL_DOWN" }, + { MP_KEY_PLAYONLY, "PLAYONLY" }, + { MP_KEY_PAUSEONLY, "PAUSEONLY" }, + { MP_KEY_BACK, "BACK" }, + { MP_KEY_TOOLS, "TOOLS" }, + { MP_KEY_ZOOMIN, "ZOOMIN" }, + { MP_KEY_ZOOMOUT, "ZOOMOUT" }, + + // These are kept for backward compatibility + { MP_KEY_PAUSE, "XF86_PAUSE" }, + { MP_KEY_STOP, "XF86_STOP" }, + { MP_KEY_PREV, "XF86_PREV" }, + { MP_KEY_NEXT, "XF86_NEXT" }, + + // Deprecated numeric aliases for the mouse buttons + { MP_MBTN_LEFT, "MOUSE_BTN0" }, + { MP_MBTN_MID, "MOUSE_BTN1" }, + { MP_MBTN_RIGHT, "MOUSE_BTN2" }, + { MP_WHEEL_UP, "MOUSE_BTN3" }, + { MP_WHEEL_DOWN, "MOUSE_BTN4" }, + { MP_WHEEL_LEFT, "MOUSE_BTN5" }, + { MP_WHEEL_RIGHT, "MOUSE_BTN6" }, + { MP_MBTN_BACK, "MOUSE_BTN7" }, + { MP_MBTN_FORWARD, "MOUSE_BTN8" }, + { MP_MBTN9, "MOUSE_BTN9" }, + { MP_MBTN10, "MOUSE_BTN10" }, + { MP_MBTN11, "MOUSE_BTN11" }, + { MP_MBTN12, "MOUSE_BTN12" }, + { MP_MBTN13, "MOUSE_BTN13" }, + { MP_MBTN14, "MOUSE_BTN14" }, + { MP_MBTN15, "MOUSE_BTN15" }, + { MP_MBTN16, "MOUSE_BTN16" }, + { MP_MBTN17, "MOUSE_BTN17" }, + { MP_MBTN18, "MOUSE_BTN18" }, + { MP_MBTN19, "MOUSE_BTN19" }, + { MP_MBTN_LEFT_DBL, "MOUSE_BTN0_DBL" }, + { MP_MBTN_MID_DBL, "MOUSE_BTN1_DBL" }, + { MP_MBTN_RIGHT_DBL, "MOUSE_BTN2_DBL" }, + { MP_WHEEL_UP, "AXIS_UP" }, + { MP_WHEEL_DOWN, "AXIS_DOWN" }, + { MP_WHEEL_LEFT, "AXIS_LEFT" }, + { MP_WHEEL_RIGHT, "AXIS_RIGHT" }, + + { MP_KEY_CLOSE_WIN, "CLOSE_WIN" }, + { MP_KEY_MOUSE_MOVE, "MOUSE_MOVE" }, + { MP_KEY_MOUSE_LEAVE, "MOUSE_LEAVE" }, + { MP_KEY_MOUSE_ENTER, "MOUSE_ENTER" }, + + { MP_KEY_UNMAPPED, "UNMAPPED" }, + { MP_KEY_ANY_UNICODE, "ANY_UNICODE" }, + + { 0, NULL } +}; + +static const struct key_name modifier_names[] = { + { MP_KEY_MODIFIER_SHIFT, "Shift" }, + { MP_KEY_MODIFIER_CTRL, "Ctrl" }, + { MP_KEY_MODIFIER_ALT, "Alt" }, + { MP_KEY_MODIFIER_META, "Meta" }, + { 0 } +}; + +int mp_input_get_key_from_name(const char *name) +{ + int modifiers = 0; + const char *p; + while ((p = strchr(name, '+'))) { + for (const struct key_name *m = modifier_names; m->name; m++) + if (!bstrcasecmp(bstr0(m->name), + (struct bstr){(char *)name, p - name})) { + modifiers |= m->key; + goto found; + } + if (!strcmp(name, "+")) + return '+' + modifiers; + return -1; +found: + name = p + 1; + } + + struct bstr bname = bstr0(name); + + struct bstr rest; + int code = bstr_decode_utf8(bname, &rest); + if (code >= 0 && rest.len == 0) + return mp_normalize_keycode(code + modifiers); + + if (bstr_startswith0(bname, "0x")) + return mp_normalize_keycode(strtol(name, NULL, 16) + modifiers); + + for (int i = 0; key_names[i].name != NULL; i++) { + if (strcasecmp(key_names[i].name, name) == 0) + return mp_normalize_keycode(key_names[i].key + modifiers); + } + + return -1; +} + +static void mp_input_append_key_name(bstr *buf, int key) +{ + for (int i = 0; modifier_names[i].name; i++) { + if (modifier_names[i].key & key) { + bstr_xappend_asprintf(NULL, buf, "%s+", modifier_names[i].name); + key -= modifier_names[i].key; + } + } + for (int i = 0; key_names[i].name != NULL; i++) { + if (key_names[i].key == key) { + bstr_xappend_asprintf(NULL, buf, "%s", key_names[i].name); + return; + } + } + + if (MP_KEY_IS_UNICODE(key)) { + mp_append_utf8_bstr(NULL, buf, key); + return; + } + + // Print the hex key code + bstr_xappend_asprintf(NULL, buf, "0x%x", key); +} + +char *mp_input_get_key_name(int key) +{ + bstr dst = {0}; + mp_input_append_key_name(&dst, key); + return dst.start; +} + +char *mp_input_get_key_combo_name(const int *keys, int max) +{ + bstr dst = {0}; + while (max > 0) { + mp_input_append_key_name(&dst, *keys); + if (--max && *++keys) + bstr_xappend(NULL, &dst, bstr0("-")); + else + break; + } + return dst.start; +} + +int mp_input_get_keys_from_string(char *name, int max_num_keys, + int *out_num_keys, int *keys) +{ + char *end, *ptr; + int n = 0; + + ptr = name; + n = 0; + for (end = strchr(ptr, '-'); ; end = strchr(ptr, '-')) { + if (end && end[1] != '\0') { + if (end[1] == '-') + end = &end[1]; + end[0] = '\0'; + } + keys[n] = mp_input_get_key_from_name(ptr); + if (keys[n] < 0) + return 0; + n++; + if (end && end[1] != '\0' && n < max_num_keys) + ptr = &end[1]; + else + break; + } + *out_num_keys = n; + return 1; +} + +void mp_print_key_list(struct mp_log *out) +{ + mp_info(out, "\n"); + for (int i = 0; key_names[i].name != NULL; i++) + mp_info(out, "%s\n", key_names[i].name); +} + +char **mp_get_key_list(void) +{ + char **list = NULL; + int num = 0; + for (int i = 0; key_names[i].name != NULL; i++) + MP_TARRAY_APPEND(NULL, list, num, talloc_strdup(NULL, key_names[i].name)); + MP_TARRAY_APPEND(NULL, list, num, NULL); + return list; +} + +int mp_normalize_keycode(int keycode) +{ + if (keycode <= 0) + return keycode; + int code = keycode & ~MP_KEY_MODIFIER_MASK; + int mod = keycode & MP_KEY_MODIFIER_MASK; + /* On normal keyboards shift changes the character code of non-special + * keys, so don't count the modifier separately for those. In other words + * we want to have "a" and "A" instead of "a" and "Shift+A"; but a separate + * shift modifier is still kept for special keys like arrow keys. */ + if (code >= 32 && code < MP_KEY_BASE) { + /* Still try to support ASCII case-modifications properly. For example, + * we want to change "Shift+a" to "A", not "a". Doing this for unicode + * in general would require huge lookup tables, or a libc with proper + * unicode support, so we don't do that. */ + if (code >= 'a' && code <= 'z' && (mod & MP_KEY_MODIFIER_SHIFT)) + code &= 0x5F; + mod &= ~MP_KEY_MODIFIER_SHIFT; + } + return code | mod; +} diff --git a/input/keycodes.h b/input/keycodes.h new file mode 100644 index 0000000..a5a746a --- /dev/null +++ b/input/keycodes.h @@ -0,0 +1,270 @@ +/* + * 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/>. + */ + +#ifndef MPLAYER_KEYCODES_H +#define MPLAYER_KEYCODES_H + +// Keys in the range [0, MP_KEY_BASE) follow unicode. +// Special keys come after this. +#define MP_KEY_BASE (1<<21) + +// printable, and valid unicode range (we don't care too much about whether +// certain sub-ranges are reserved and disallowed, like surrogate pairs) +#define MP_KEY_IS_UNICODE(key) ((key) >= 32 && (key) <= 0x10FFFF) + +#define MP_KEY_ENTER 13 +#define MP_KEY_TAB 9 + +/* Control keys */ +#define MP_KEY_BACKSPACE (MP_KEY_BASE+0) +#define MP_KEY_DELETE (MP_KEY_BASE+1) +#define MP_KEY_INSERT (MP_KEY_BASE+2) +#define MP_KEY_HOME (MP_KEY_BASE+3) +#define MP_KEY_END (MP_KEY_BASE+4) +#define MP_KEY_PAGE_UP (MP_KEY_BASE+5) +#define MP_KEY_PAGE_DOWN (MP_KEY_BASE+6) +#define MP_KEY_ESC (MP_KEY_BASE+7) +#define MP_KEY_PRINT (MP_KEY_BASE+8) + +/* Control keys short name */ +#define MP_KEY_BS MP_KEY_BACKSPACE +#define MP_KEY_DEL MP_KEY_DELETE +#define MP_KEY_INS MP_KEY_INSERT +#define MP_KEY_PGUP MP_KEY_PAGE_UP +#define MP_KEY_PGDOWN MP_KEY_PAGE_DOWN +#define MP_KEY_PGDWN MP_KEY_PAGE_DOWN + +/* Cursor movement */ +#define MP_KEY_CRSR (MP_KEY_BASE+0x10) +#define MP_KEY_RIGHT (MP_KEY_CRSR+0) +#define MP_KEY_LEFT (MP_KEY_CRSR+1) +#define MP_KEY_DOWN (MP_KEY_CRSR+2) +#define MP_KEY_UP (MP_KEY_CRSR+3) + +/* Multimedia/internet keyboard/remote keys */ +#define MP_KEY_MM_BASE (MP_KEY_BASE+0x20) +#define MP_KEY_POWER (MP_KEY_MM_BASE+0) +#define MP_KEY_MENU (MP_KEY_MM_BASE+1) +#define MP_KEY_PLAY (MP_KEY_MM_BASE+2) +#define MP_KEY_PAUSE (MP_KEY_MM_BASE+3) +#define MP_KEY_PLAYPAUSE (MP_KEY_MM_BASE+4) +#define MP_KEY_STOP (MP_KEY_MM_BASE+5) +#define MP_KEY_FORWARD (MP_KEY_MM_BASE+6) +#define MP_KEY_REWIND (MP_KEY_MM_BASE+7) +#define MP_KEY_NEXT (MP_KEY_MM_BASE+8) +#define MP_KEY_PREV (MP_KEY_MM_BASE+9) +#define MP_KEY_VOLUME_UP (MP_KEY_MM_BASE+10) +#define MP_KEY_VOLUME_DOWN (MP_KEY_MM_BASE+11) +#define MP_KEY_MUTE (MP_KEY_MM_BASE+12) +#define MP_KEY_HOMEPAGE (MP_KEY_MM_BASE+13) +#define MP_KEY_WWW (MP_KEY_MM_BASE+14) +#define MP_KEY_MAIL (MP_KEY_MM_BASE+15) +#define MP_KEY_FAVORITES (MP_KEY_MM_BASE+16) +#define MP_KEY_SEARCH (MP_KEY_MM_BASE+17) +#define MP_KEY_SLEEP (MP_KEY_MM_BASE+18) +#define MP_KEY_CANCEL (MP_KEY_MM_BASE+19) +#define MP_KEY_RECORD (MP_KEY_MM_BASE+20) +#define MP_KEY_CHANNEL_UP (MP_KEY_MM_BASE+21) +#define MP_KEY_CHANNEL_DOWN (MP_KEY_MM_BASE+22) +#define MP_KEY_PLAYONLY (MP_KEY_MM_BASE+23) +#define MP_KEY_PAUSEONLY (MP_KEY_MM_BASE+24) +#define MP_KEY_BACK (MP_KEY_MM_BASE+25) +#define MP_KEY_TOOLS (MP_KEY_MM_BASE+26) +#define MP_KEY_ZOOMIN (MP_KEY_MM_BASE+27) +#define MP_KEY_ZOOMOUT (MP_KEY_MM_BASE+28) + +/* Function keys */ +#define MP_KEY_F (MP_KEY_BASE+0x40) + +/* Keypad keys */ +#define MP_KEY_KEYPAD (MP_KEY_BASE+0x60) +#define MP_KEY_KP0 (MP_KEY_KEYPAD+0) +#define MP_KEY_KP1 (MP_KEY_KEYPAD+1) +#define MP_KEY_KP2 (MP_KEY_KEYPAD+2) +#define MP_KEY_KP3 (MP_KEY_KEYPAD+3) +#define MP_KEY_KP4 (MP_KEY_KEYPAD+4) +#define MP_KEY_KP5 (MP_KEY_KEYPAD+5) +#define MP_KEY_KP6 (MP_KEY_KEYPAD+6) +#define MP_KEY_KP7 (MP_KEY_KEYPAD+7) +#define MP_KEY_KP8 (MP_KEY_KEYPAD+8) +#define MP_KEY_KP9 (MP_KEY_KEYPAD+9) +#define MP_KEY_KPDEC (MP_KEY_KEYPAD+10) +#define MP_KEY_KPINS (MP_KEY_KEYPAD+11) +#define MP_KEY_KPDEL (MP_KEY_KEYPAD+12) +#define MP_KEY_KPENTER (MP_KEY_KEYPAD+13) +#define MP_KEY_KPHOME (MP_KEY_KEYPAD+14) +#define MP_KEY_KPEND (MP_KEY_KEYPAD+15) +#define MP_KEY_KPPGUP (MP_KEY_KEYPAD+16) +#define MP_KEY_KPPGDOWN (MP_KEY_KEYPAD+17) +#define MP_KEY_KPRIGHT (MP_KEY_KEYPAD+18) +#define MP_KEY_KPLEFT (MP_KEY_KEYPAD+19) +#define MP_KEY_KPDOWN (MP_KEY_KEYPAD+20) +#define MP_KEY_KPUP (MP_KEY_KEYPAD+21) + +// Mouse events from VOs +#define MP_MBTN_BASE ((MP_KEY_BASE+0xA0)|MP_NO_REPEAT_KEY|MP_KEY_EMIT_ON_UP) +#define MP_MBTN_LEFT (MP_MBTN_BASE+0) +#define MP_MBTN_MID (MP_MBTN_BASE+1) +#define MP_MBTN_RIGHT (MP_MBTN_BASE+2) +#define MP_WHEEL_UP (MP_MBTN_BASE+3) +#define MP_WHEEL_DOWN (MP_MBTN_BASE+4) +#define MP_WHEEL_LEFT (MP_MBTN_BASE+5) +#define MP_WHEEL_RIGHT (MP_MBTN_BASE+6) +#define MP_MBTN_BACK (MP_MBTN_BASE+7) +#define MP_MBTN_FORWARD (MP_MBTN_BASE+8) +#define MP_MBTN9 (MP_MBTN_BASE+9) +#define MP_MBTN10 (MP_MBTN_BASE+10) +#define MP_MBTN11 (MP_MBTN_BASE+11) +#define MP_MBTN12 (MP_MBTN_BASE+12) +#define MP_MBTN13 (MP_MBTN_BASE+13) +#define MP_MBTN14 (MP_MBTN_BASE+14) +#define MP_MBTN15 (MP_MBTN_BASE+15) +#define MP_MBTN16 (MP_MBTN_BASE+16) +#define MP_MBTN17 (MP_MBTN_BASE+17) +#define MP_MBTN18 (MP_MBTN_BASE+18) +#define MP_MBTN19 (MP_MBTN_BASE+19) +#define MP_MBTN_END (MP_MBTN_BASE+20) + +#define MP_KEY_IS_MOUSE_BTN_SINGLE(code) \ + ((code) >= MP_MBTN_BASE && (code) < MP_MBTN_END) +#define MP_KEY_IS_WHEEL(code) \ + ((code) >= MP_WHEEL_UP && (code) <= MP_WHEEL_RIGHT) + +#define MP_MBTN_DBL_BASE ((MP_KEY_BASE+0xC0)|MP_NO_REPEAT_KEY) +#define MP_MBTN_LEFT_DBL (MP_MBTN_DBL_BASE+0) +#define MP_MBTN_MID_DBL (MP_MBTN_DBL_BASE+1) +#define MP_MBTN_RIGHT_DBL (MP_MBTN_DBL_BASE+2) +#define MP_MBTN_DBL_END (MP_MBTN_DBL_BASE+20) + +#define MP_KEY_IS_MOUSE_BTN_DBL(code) \ + ((code) >= MP_MBTN_DBL_BASE && (code) < MP_MBTN_DBL_END) + +#define MP_KEY_MOUSE_BTN_COUNT (MP_MBTN_END - MP_MBTN_BASE) + +/* game controller keys */ +#define MP_KEY_GAMEPAD (MP_KEY_BASE+0xF0) +#define MP_KEY_GAMEPAD_ACTION_DOWN (MP_KEY_GAMEPAD+0) +#define MP_KEY_GAMEPAD_ACTION_RIGHT (MP_KEY_GAMEPAD+1) +#define MP_KEY_GAMEPAD_ACTION_LEFT (MP_KEY_GAMEPAD+2) +#define MP_KEY_GAMEPAD_ACTION_UP (MP_KEY_GAMEPAD+3) +#define MP_KEY_GAMEPAD_BACK (MP_KEY_GAMEPAD+4) +#define MP_KEY_GAMEPAD_MENU (MP_KEY_GAMEPAD+5) +#define MP_KEY_GAMEPAD_START (MP_KEY_GAMEPAD+6) +#define MP_KEY_GAMEPAD_LEFT_SHOULDER (MP_KEY_GAMEPAD+7) +#define MP_KEY_GAMEPAD_RIGHT_SHOULDER (MP_KEY_GAMEPAD+8) +#define MP_KEY_GAMEPAD_LEFT_TRIGGER (MP_KEY_GAMEPAD+9) +#define MP_KEY_GAMEPAD_RIGHT_TRIGGER (MP_KEY_GAMEPAD+10) +#define MP_KEY_GAMEPAD_LEFT_STICK (MP_KEY_GAMEPAD+11) +#define MP_KEY_GAMEPAD_RIGHT_STICK (MP_KEY_GAMEPAD+12) +#define MP_KEY_GAMEPAD_DPAD_UP (MP_KEY_GAMEPAD+13) +#define MP_KEY_GAMEPAD_DPAD_DOWN (MP_KEY_GAMEPAD+14) +#define MP_KEY_GAMEPAD_DPAD_LEFT (MP_KEY_GAMEPAD+15) +#define MP_KEY_GAMEPAD_DPAD_RIGHT (MP_KEY_GAMEPAD+16) +#define MP_KEY_GAMEPAD_LEFT_STICK_UP (MP_KEY_GAMEPAD+17) +#define MP_KEY_GAMEPAD_LEFT_STICK_DOWN (MP_KEY_GAMEPAD+18) +#define MP_KEY_GAMEPAD_LEFT_STICK_LEFT (MP_KEY_GAMEPAD+19) +#define MP_KEY_GAMEPAD_LEFT_STICK_RIGHT (MP_KEY_GAMEPAD+20) +#define MP_KEY_GAMEPAD_RIGHT_STICK_UP (MP_KEY_GAMEPAD+21) +#define MP_KEY_GAMEPAD_RIGHT_STICK_DOWN (MP_KEY_GAMEPAD+22) +#define MP_KEY_GAMEPAD_RIGHT_STICK_LEFT (MP_KEY_GAMEPAD+23) +#define MP_KEY_GAMEPAD_RIGHT_STICK_RIGHT (MP_KEY_GAMEPAD+24) + +// Reserved area. Can be used for keys that have no explicit names assigned, +// but should be mappable by the user anyway. +#define MP_KEY_UNKNOWN_RESERVED_START (MP_KEY_BASE+0x10000) +#define MP_KEY_UNKNOWN_RESERVED_LAST (MP_KEY_BASE+0x20000-1) + +/* Special keys */ +#define MP_KEY_INTERN (MP_KEY_BASE+0x20000) +#define MP_KEY_CLOSE_WIN (MP_KEY_INTERN+0) +// Generated by input.c (VOs use mp_input_set_mouse_pos()) +#define MP_KEY_MOUSE_MOVE ((MP_KEY_INTERN+1)|MP_NO_REPEAT_KEY) +#define MP_KEY_MOUSE_LEAVE ((MP_KEY_INTERN+2)|MP_NO_REPEAT_KEY) +#define MP_KEY_MOUSE_ENTER ((MP_KEY_INTERN+3)|MP_NO_REPEAT_KEY) + +#define MP_KEY_IS_MOUSE_CLICK(code) \ + (MP_KEY_IS_MOUSE_BTN_SINGLE(code) || MP_KEY_IS_MOUSE_BTN_DBL(code)) + +#define MP_KEY_IS_MOUSE_MOVE(code) \ + ((code) == MP_KEY_MOUSE_MOVE || (code) == MP_KEY_MOUSE_ENTER || \ + (code) == MP_KEY_MOUSE_LEAVE) + +// Whether to dispatch the key binding by current mouse position. +#define MP_KEY_DEPENDS_ON_MOUSE_POS(code) \ + (MP_KEY_IS_MOUSE_CLICK(code) || (code) == MP_KEY_MOUSE_MOVE) + +#define MP_KEY_IS_MOUSE(code) \ + (MP_KEY_IS_MOUSE_CLICK(code) || MP_KEY_IS_MOUSE_MOVE(code)) + +// No input source should generate this. +#define MP_KEY_UNMAPPED (MP_KEY_INTERN+4) +#define MP_KEY_ANY_UNICODE (MP_KEY_INTERN+5) +// For mp_input_put_key(): release all keys that are down. +#define MP_INPUT_RELEASE_ALL (MP_KEY_INTERN+6) + +// Emit a command even on key-up (normally key-up is ignored). This means by +// default they binding will be triggered on key-up instead of key-down. +// This is a fixed part of the keycode, not a modifier than can change. +#define MP_KEY_EMIT_ON_UP (1u<<22) + +// Use this when the key shouldn't be auto-repeated (like mouse buttons) +// Also means both key-down key-up events produce emit bound commands. +// This is a fixed part of the keycode, not a modifier than can change. +#define MP_NO_REPEAT_KEY (1u<<23) + +/* Modifiers added to individual keys */ +#define MP_KEY_MODIFIER_SHIFT (1u<<24) +#define MP_KEY_MODIFIER_CTRL (1u<<25) +#define MP_KEY_MODIFIER_ALT (1u<<26) +#define MP_KEY_MODIFIER_META (1u<<27) + +// Flag for key events. Multiple down events are idempotent. Release keys by +// sending the key code with KEY_STATE_UP set, or by sending +// MP_INPUT_RELEASE_ALL as key code. +#define MP_KEY_STATE_DOWN (1u<<28) + +// Flag for key events. Releases a key previously held down with +// MP_KEY_STATE_DOWN. Do not send redundant UP events and do not forget to +// release keys at all with UP. If input is unreliable, use MP_INPUT_RELEASE_ALL +// or don't use MP_KEY_STATE_DOWN in the first place. +#define MP_KEY_STATE_UP (1u<<29) + +#define MP_KEY_MODIFIER_MASK (MP_KEY_MODIFIER_SHIFT | MP_KEY_MODIFIER_CTRL | \ + MP_KEY_MODIFIER_ALT | MP_KEY_MODIFIER_META | \ + MP_KEY_STATE_DOWN | MP_KEY_STATE_UP) + +// Makes adjustments like turning "shift+z" into "Z" +int mp_normalize_keycode(int keycode); + +// Get input key from its name. +int mp_input_get_key_from_name(const char *name); + +// Return given key (plus modifiers) as talloc'ed name. +char *mp_input_get_key_name(int key); + +// Combination of multiple keys to string. +char *mp_input_get_key_combo_name(const int *keys, int max); + +// String containing combination of multiple string to keys. +int mp_input_get_keys_from_string(char *str, int max_num_keys, + int *out_num_keys, int *keys); + +struct mp_log; +void mp_print_key_list(struct mp_log *out); +char **mp_get_key_list(void); + +#endif /* MPLAYER_KEYCODES_H */ diff --git a/input/meson.build b/input/meson.build new file mode 100644 index 0000000..12fe732 --- /dev/null +++ b/input/meson.build @@ -0,0 +1,20 @@ +icons = ['16', '32', '64', '128'] +foreach size: icons + name = 'mpv-icon-8bit-'+size+'x'+size+'.png' + icon = custom_target(name, + input: join_paths(source_root, 'etc', name), + output: name + '.inc', + command: [file2string, '@INPUT@', '@OUTPUT@'], + ) + sources += icon +endforeach + +etc_files = ['input.conf', 'builtin.conf'] +foreach file: etc_files + etc_file = custom_target(file, + input: join_paths(source_root, 'etc', file), + output: file + '.inc', + command: [file2string, '@INPUT@', '@OUTPUT@'], + ) + sources += etc_file +endforeach diff --git a/input/sdl_gamepad.c b/input/sdl_gamepad.c new file mode 100644 index 0000000..790c945 --- /dev/null +++ b/input/sdl_gamepad.c @@ -0,0 +1,287 @@ +/* + * 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 <stdbool.h> + +#include <SDL.h> + +#include "common/common.h" +#include "common/msg.h" +#include "input.h" +#include "input/keycodes.h" +#include "osdep/threads.h" + +struct gamepad_priv { + SDL_GameController *controller; +}; + +static Uint32 gamepad_cancel_wakeup; + +static void initialize_events(void) +{ + gamepad_cancel_wakeup = SDL_RegisterEvents(1); +} + +static mp_once events_initialized = MP_STATIC_ONCE_INITIALIZER; + +#define INVALID_KEY -1 + +static const int button_map[][2] = { + { SDL_CONTROLLER_BUTTON_A, MP_KEY_GAMEPAD_ACTION_DOWN }, + { SDL_CONTROLLER_BUTTON_B, MP_KEY_GAMEPAD_ACTION_RIGHT }, + { SDL_CONTROLLER_BUTTON_X, MP_KEY_GAMEPAD_ACTION_LEFT }, + { SDL_CONTROLLER_BUTTON_Y, MP_KEY_GAMEPAD_ACTION_UP }, + { SDL_CONTROLLER_BUTTON_BACK, MP_KEY_GAMEPAD_BACK }, + { SDL_CONTROLLER_BUTTON_GUIDE, MP_KEY_GAMEPAD_MENU }, + { SDL_CONTROLLER_BUTTON_START, MP_KEY_GAMEPAD_START }, + { SDL_CONTROLLER_BUTTON_LEFTSTICK, MP_KEY_GAMEPAD_LEFT_STICK }, + { SDL_CONTROLLER_BUTTON_RIGHTSTICK, MP_KEY_GAMEPAD_RIGHT_STICK }, + { SDL_CONTROLLER_BUTTON_LEFTSHOULDER, MP_KEY_GAMEPAD_LEFT_SHOULDER }, + { SDL_CONTROLLER_BUTTON_RIGHTSHOULDER, MP_KEY_GAMEPAD_RIGHT_SHOULDER }, + { SDL_CONTROLLER_BUTTON_DPAD_UP, MP_KEY_GAMEPAD_DPAD_UP }, + { SDL_CONTROLLER_BUTTON_DPAD_DOWN, MP_KEY_GAMEPAD_DPAD_DOWN }, + { SDL_CONTROLLER_BUTTON_DPAD_LEFT, MP_KEY_GAMEPAD_DPAD_LEFT }, + { SDL_CONTROLLER_BUTTON_DPAD_RIGHT, MP_KEY_GAMEPAD_DPAD_RIGHT }, +}; + +static const int analog_map[][5] = { + // 0 -> sdl enum + // 1 -> negative state + // 2 -> neutral-negative state + // 3 -> neutral-positive state + // 4 -> positive state + { SDL_CONTROLLER_AXIS_LEFTX, + MP_KEY_GAMEPAD_LEFT_STICK_LEFT | MP_KEY_STATE_DOWN, + MP_KEY_GAMEPAD_LEFT_STICK_LEFT | MP_KEY_STATE_UP, + MP_KEY_GAMEPAD_LEFT_STICK_RIGHT | MP_KEY_STATE_UP, + MP_KEY_GAMEPAD_LEFT_STICK_RIGHT | MP_KEY_STATE_DOWN }, + + { SDL_CONTROLLER_AXIS_LEFTY, + MP_KEY_GAMEPAD_LEFT_STICK_UP | MP_KEY_STATE_DOWN, + MP_KEY_GAMEPAD_LEFT_STICK_UP | MP_KEY_STATE_UP, + MP_KEY_GAMEPAD_LEFT_STICK_DOWN | MP_KEY_STATE_UP, + MP_KEY_GAMEPAD_LEFT_STICK_DOWN | MP_KEY_STATE_DOWN }, + + { SDL_CONTROLLER_AXIS_RIGHTX, + MP_KEY_GAMEPAD_RIGHT_STICK_LEFT | MP_KEY_STATE_DOWN, + MP_KEY_GAMEPAD_RIGHT_STICK_LEFT | MP_KEY_STATE_UP, + MP_KEY_GAMEPAD_RIGHT_STICK_RIGHT | MP_KEY_STATE_UP, + MP_KEY_GAMEPAD_RIGHT_STICK_RIGHT | MP_KEY_STATE_DOWN }, + + { SDL_CONTROLLER_AXIS_RIGHTY, + MP_KEY_GAMEPAD_RIGHT_STICK_UP | MP_KEY_STATE_DOWN, + MP_KEY_GAMEPAD_RIGHT_STICK_UP | MP_KEY_STATE_UP, + MP_KEY_GAMEPAD_RIGHT_STICK_DOWN | MP_KEY_STATE_UP, + MP_KEY_GAMEPAD_RIGHT_STICK_DOWN | MP_KEY_STATE_DOWN }, + + { SDL_CONTROLLER_AXIS_TRIGGERLEFT, + INVALID_KEY, + INVALID_KEY, + MP_KEY_GAMEPAD_LEFT_TRIGGER | MP_KEY_STATE_UP, + MP_KEY_GAMEPAD_LEFT_TRIGGER | MP_KEY_STATE_DOWN }, + + { SDL_CONTROLLER_AXIS_TRIGGERRIGHT, + INVALID_KEY, + INVALID_KEY, + MP_KEY_GAMEPAD_RIGHT_TRIGGER | MP_KEY_STATE_UP, + MP_KEY_GAMEPAD_RIGHT_TRIGGER | MP_KEY_STATE_DOWN }, +}; + +static int lookup_button_mp_key(int sdl_key) +{ + for (int i = 0; i < MP_ARRAY_SIZE(button_map); i++) { + if (button_map[i][0] == sdl_key) { + return button_map[i][1]; + } + } + return INVALID_KEY; +} + +static int lookup_analog_mp_key(int sdl_key, int16_t value) +{ + const int sdl_axis_max = 32767; + const int negative = 1; + const int negative_neutral = 2; + const int positive_neutral = 3; + const int positive = 4; + + const float activation_threshold = sdl_axis_max * 0.33; + const float noise_threshold = sdl_axis_max * 0.06; + + // sometimes SDL just keeps shitting out low values around 0 that mess + // with key repeating code + if (value < noise_threshold && value > -noise_threshold) { + return INVALID_KEY; + } + + int state = value > 0 ? positive_neutral : negative_neutral; + + if (value >= sdl_axis_max - activation_threshold) { + state = positive; + } + + if (value <= activation_threshold - sdl_axis_max) { + state = negative; + } + + for (int i = 0; i < MP_ARRAY_SIZE(analog_map); i++) { + if (analog_map[i][0] == sdl_key) { + return analog_map[i][state]; + } + } + + return INVALID_KEY; +} + + +static void request_cancel(struct mp_input_src *src) +{ + MP_VERBOSE(src, "exiting...\n"); + SDL_Event event = { .type = gamepad_cancel_wakeup }; + SDL_PushEvent(&event); +} + +static void uninit(struct mp_input_src *src) +{ + MP_VERBOSE(src, "exited.\n"); +} + +#define GUID_LEN 33 + +static void add_gamepad(struct mp_input_src *src, int id) +{ + struct gamepad_priv *p = src->priv; + + if (p->controller) { + MP_WARN(src, "can't add more than one controller\n"); + return; + } + + if (SDL_IsGameController(id)) { + SDL_GameController *controller = SDL_GameControllerOpen(id); + + if (controller) { + const char *name = SDL_GameControllerName(controller); + MP_INFO(src, "added controller: %s\n", name); + p->controller = controller; + return; + } + } +} + +static void remove_gamepad(struct mp_input_src *src, int id) +{ + struct gamepad_priv *p = src->priv; + SDL_GameController *controller = p->controller; + SDL_Joystick* j = SDL_GameControllerGetJoystick(controller); + SDL_JoystickID jid = SDL_JoystickInstanceID(j); + + if (controller && jid == id) { + const char *name = SDL_GameControllerName(controller); + MP_INFO(src, "removed controller: %s\n", name); + SDL_GameControllerClose(controller); + p->controller = NULL; + } +} + +static void read_gamepad_thread(struct mp_input_src *src, void *param) +{ + SDL_SetHint(SDL_HINT_JOYSTICK_THREAD, "1"); + + if (SDL_WasInit(SDL_INIT_EVENTS)) { + MP_ERR(src, "Another component is using SDL already.\n"); + mp_input_src_init_done(src); + return; + } + + if (SDL_InitSubSystem(SDL_INIT_GAMECONTROLLER)) { + MP_ERR(src, "SDL_Init failed\n"); + mp_input_src_init_done(src); + return; + } + + mp_exec_once(&events_initialized, initialize_events); + + if (gamepad_cancel_wakeup == (Uint32)-1) { + MP_ERR(src, "Can't register SDL custom events\n"); + mp_input_src_init_done(src); + return; + } + + struct gamepad_priv *p =src->priv = talloc_zero(src, struct gamepad_priv); + src->cancel = request_cancel; + src->uninit = uninit; + + mp_input_src_init_done(src); + + SDL_Event ev; + + while (SDL_WaitEvent(&ev) != 0) { + if (ev.type == gamepad_cancel_wakeup) { + break; + } + + switch (ev.type) { + case SDL_CONTROLLERDEVICEADDED: { + add_gamepad(src, ev.cdevice.which); + continue; + } + case SDL_CONTROLLERDEVICEREMOVED: { + remove_gamepad(src, ev.cdevice.which); + continue; + } + case SDL_CONTROLLERBUTTONDOWN: { + const int key = lookup_button_mp_key(ev.cbutton.button); + if (key != INVALID_KEY) { + mp_input_put_key(src->input_ctx, key | MP_KEY_STATE_DOWN); + } + continue; + } + case SDL_CONTROLLERBUTTONUP: { + const int key = lookup_button_mp_key(ev.cbutton.button); + if (key != INVALID_KEY) { + mp_input_put_key(src->input_ctx, key | MP_KEY_STATE_UP); + } + continue; + } + case SDL_CONTROLLERAXISMOTION: { + const int key = + lookup_analog_mp_key(ev.caxis.axis, ev.caxis.value); + if (key != INVALID_KEY) { + mp_input_put_key(src->input_ctx, key); + } + continue; + } + + } + } + + if (p->controller) { + SDL_Joystick* j = SDL_GameControllerGetJoystick(p->controller); + SDL_JoystickID jid = SDL_JoystickInstanceID(j); + remove_gamepad(src, jid); + } + + // must be called on the same thread of SDL_InitSubSystem, so uninit + // callback can't be used for this + SDL_QuitSubSystem(SDL_INIT_GAMECONTROLLER); +} + +void mp_input_sdl_gamepad_add(struct input_ctx *ictx) +{ + mp_input_add_thread_src(ictx, NULL, read_gamepad_thread); +} |