mpv/input/input.h

276 lines
11 KiB
C

/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU 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_list.h"
#include "cmd_parse.h"
// For mp_input_put_key(): release all keys that are down.
#define MP_INPUT_RELEASE_ALL -1
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
MP_ASYNC_CMD = 32,
MP_ON_OSD_FLAGS = MP_ON_OSD_NO | MP_ON_OSD_AUTO |
MP_ON_OSD_BAR | MP_ON_OSD_MSG,
};
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,
};
struct input_ctx;
struct mp_log;
struct mp_cmd_arg {
const struct m_option *type;
union {
int i;
float f;
double d;
char *s;
char **str_list;
void *p;
} v;
};
typedef struct mp_cmd {
int id;
char *name;
struct mp_cmd_arg args[MP_CMD_MAX_ARGS];
int nargs;
int flags; // mp_cmd_flags bitfield
bstr original;
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
} mp_cmd_t;
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;
};
// 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_axis(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);
// 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);
// Used to asynchronously abort playback. Needed because the core still can
// block on network in some situations.
void mp_input_set_cancel(struct input_ctx *ictx, void (*cb)(void *c), void *c);
// 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);
// Like mp_input_parse_cmd_strv, but also run the command.
void mp_input_run_cmd(struct input_ctx *ictx, const char **cmd);
void mp_input_set_repeat_info(struct input_ctx *ictx, int rate, int delay);
void mp_input_pipe_add(struct input_ctx *ictx, const char *filename);
struct mp_ipc_ctx;
struct mp_client_api;
struct mp_ipc_ctx *mp_init_ipc(struct mp_client_api *client_api,
struct mpv_global *global);
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 */