scrcpy/app/src/controlevent.h

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#ifndef CONTROLEVENT_H
#define CONTROLEVENT_H
#include <SDL2/SDL_mutex.h>
#include <SDL2/SDL_stdinc.h>
#include "android/input.h"
#include "android/keycodes.h"
#include "common.h"
#define CONTROL_EVENT_QUEUE_SIZE 64
#define SERIALIZED_EVENT_MAX_SIZE 33
#define TEXT_MAX_LENGTH 256
enum control_event_type {
CONTROL_EVENT_TYPE_KEYCODE,
CONTROL_EVENT_TYPE_TEXT,
CONTROL_EVENT_TYPE_MOUSE,
CONTROL_EVENT_TYPE_SCROLL,
CONTROL_EVENT_TYPE_COMMAND,
};
#define CONTROL_EVENT_COMMAND_SCREEN_ON 0
struct control_event {
enum control_event_type type;
union {
struct {
enum android_keyevent_action action;
enum android_keycode keycode;
enum android_metastate metastate;
} keycode_event;
struct {
char *text; // owned, to be freed by SDL_free()
} text_event;
struct {
enum android_motionevent_action action;
enum android_motionevent_buttons buttons;
struct position position;
} mouse_event;
struct {
struct position position;
Sint32 hscroll;
Sint32 vscroll;
} scroll_event;
struct {
int action;
} command_event;
};
};
struct control_event_queue {
struct control_event data[CONTROL_EVENT_QUEUE_SIZE];
int head;
int tail;
};
// buf size must be at least SERIALIZED_EVENT_MAX_SIZE
int control_event_serialize(const struct control_event *event, unsigned char *buf);
SDL_bool control_event_queue_init(struct control_event_queue *queue);
void control_event_queue_destroy(struct control_event_queue *queue);
SDL_bool control_event_queue_is_empty(const struct control_event_queue *queue);
SDL_bool control_event_queue_is_full(const struct control_event_queue *queue);
// event is copied, the queue does not use the event after the function returns
SDL_bool control_event_queue_push(struct control_event_queue *queue, const struct control_event *event);
SDL_bool control_event_queue_take(struct control_event_queue *queue, struct control_event *event);
void control_event_destroy(struct control_event *event);
#endif