major refactorings

Signed-off-by: kaguya3311 <kaguya3311@national.shitposting.agency>
2026-05-18 04:02:59 -04:00
parent f7aa6f913a
commit b28a6bcf29
211 changed files with 17699 additions and 8107 deletions
@@ -0,0 +1,65 @@
+#pragma once
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+/* ------------------------------------------------------------------ *
+ * Generic input event types
+ * ------------------------------------------------------------------ */
+typedef enum {
+    INPUT_EV_NONE = 0,
+    INPUT_EV_KEY,        /* key press / release         */
+    INPUT_EV_MOUSE_REL,  /* relative mouse movement     */
+    INPUT_EV_MOUSE_BTN,  /* mouse button press/release  */
+    INPUT_EV_MOUSE_WHEEL,
+} input_ev_type_t;
+
+typedef struct {
+    input_ev_type_t type;
+
+    union {
+        /* INPUT_EV_KEY */
+        struct {
+            uint8_t scancode;  /* raw set-1 scancode (break bit cleared) */
+            char    ascii;     /* 0 if non-printable                      */
+            bool    pressed;
+        } key;
+
+        /* INPUT_EV_MOUSE_REL */
+        struct {
+            int16_t dx, dy;
+        } rel;
+
+        /* INPUT_EV_MOUSE_BTN */
+        struct {
+            uint8_t button;   /* 0=left 1=right 2=middle */
+            bool    pressed;
+        } btn;
+
+        /* INPUT_EV_MOUSE_WHEEL */
+        struct {
+            int8_t delta;
+        } wheel;
+    };
+} input_event_t;
+
+/* ------------------------------------------------------------------ *
+ * Public API
+ * ------------------------------------------------------------------ */
+void input_init(void);
+
+/* Called by drivers (PS/2, USB HID, …) to publish events */
+void input_push_key(uint8_t scancode, char ascii, bool pressed);
+void input_push_mouse_rel(int16_t dx, int16_t dy);
+void input_push_mouse_btn(uint8_t button, bool pressed);
+void input_push_mouse_wheel(int8_t delta);
+
+void input_push_char(char c);
+int  input_read_console(void *buf, size_t len);
+
+/* Consumer API */
+bool input_poll(input_event_t *out);  /* non-blocking; false if empty */
+bool input_has_event(void);
+
+/* VFS helpers — call after VFS is ready */
+void input_register_devnodes(void);   /* creates /dev/input/event0 */