feature: shell kb input is now working with interrupts (not clean tho, might need to change it)

src/drivers/keyboard.c

@@ -1,10 +1,45 @@
+#include "drivers.h"
 #include "interrupts.h"
 #include "kprintf.h"
+#include "shell.h"
+#include "string.h"
 #include "terminal.h"
 #include <stdint.h>
 
+extern struct screen *screen;
+
+int line_status = READING;
+
 void keyboard_handler(struct registers *regs)
 {
+	size_t i = 0;
+	struct key_event ev;
+
 	(void)regs;
-	terminal_putchar(terminal_getkey().c);
+	ev = terminal_getkey();
+	char *buf = screen->line;
+	i = strlen(screen->line);
+	if (ev.c == '\n') {
+		kprintf("\n");
+		screen->line[i] = '\0';
+		line_status = NEWLINE;
+		return;
+	}
+	const size_t size = sizeof(screen->line);
+	if (ev.scan_code == KEY_BACKSPACE && i) {
+		buf[--i] = '\0';
+		move_cursor(LEFT);
+		terminal_putchar(' ');
+		move_cursor(LEFT);
+	} else if (ev.scan_code == KEY_TAB && i) {
+		auto_complete();
+	} else if (ev.c && i < size - 1) {
+		kprintf("%c", ev.c);
+		buf[i++] = ev.c;
+	}
+	if (i >= size) {
+		kprintf("\n");
+		screen->line[i] = '\0';
+		line_status = NEWLINE;
+	}
 }