kaguya
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include <stddef.h>
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/* ------------------------------------------------------------------ *
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* Generic input event types
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* ------------------------------------------------------------------ */
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typedef enum {
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INPUT_EV_NONE = 0,
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INPUT_EV_KEY, /* key press / release */
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INPUT_EV_MOUSE_REL, /* relative mouse movement */
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INPUT_EV_MOUSE_BTN, /* mouse button press/release */
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INPUT_EV_MOUSE_WHEEL,
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} input_ev_type_t;
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typedef struct {
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input_ev_type_t type;
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union {
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/* INPUT_EV_KEY */
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struct {
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uint8_t scancode; /* raw set-1 scancode (break bit cleared) */
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char ascii; /* 0 if non-printable */
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bool pressed;
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} key;
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/* INPUT_EV_MOUSE_REL */
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struct {
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int16_t dx, dy;
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} rel;
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/* INPUT_EV_MOUSE_BTN */
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struct {
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uint8_t button; /* 0=left 1=right 2=middle */
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bool pressed;
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} btn;
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/* INPUT_EV_MOUSE_WHEEL */
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struct {
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int8_t delta;
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} wheel;
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};
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} input_event_t;
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/* ------------------------------------------------------------------ *
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* Public API
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* ------------------------------------------------------------------ */
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void input_init(void);
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/* Called by drivers (PS/2, USB HID, …) to publish events */
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void input_push_key(uint8_t scancode, char ascii, bool pressed);
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void input_push_mouse_rel(int16_t dx, int16_t dy);
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void input_push_mouse_btn(uint8_t button, bool pressed);
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void input_push_mouse_wheel(int8_t delta);
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void input_push_char(char c);
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int input_read_console(void *buf, size_t len);
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/* Consumer API */
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bool input_poll(input_event_t *out); /* non-blocking; false if empty */
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bool input_has_event(void);
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/* VFS helpers — call after VFS is ready */
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void input_register_devnodes(void); /* creates /dev/input/event0 */ |