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#include <types.h>
#include <keyboard.h>
#include <pic.h>
#include <io.h>
#include <keymap.h>
#include <graphics.h>
#include <libk/stdio.h>
#include <libk/math.h>
#include <libk/string.h>
bool is_pressed[128];
#include <stdbuff.h>
#include <heap.h>
#define BUFFER_SIZE 10000
stdbuff* keyboard_buffer;
void keyboard_handler()
{
if (keyboard_buffer == NULL) {
keyboard_buffer = init_buff(BUFFER_SIZE);
memset(keyboard_buffer->data, ' ', BUFFER_SIZE);
}
uint8_t status = inb(KEYBOARD_STATUS_PORT);
if (!(status & 0x1)) {
return;
}
uint8_t keycode = inb(KEYBOARD_DATA_PORT);
if (keycode < keymap_len) {
is_pressed[keycode] = true;
if (keycode == KEY_SPACE) {
write_buff(keyboard_buffer, " ", 1);
} else if (keycode == KEY_BACKSPACE) {
if (main_fb.x != 0)
write_buff(keyboard_buffer, "\b \b", 3);
} else if (keycode == KEY_ENTER) {
char* output = kalloc(sizeof(char) + 1);
output[0] = keymap[keycode];
write_buff(keyboard_buffer, output, 1);
kfree(output);
} else {
char* output = kalloc(sizeof(char) + 1);
if (keymap[keycode] == ' ') return;
if (is_pressed[KEY_LSHIFT] || is_pressed[KEY_RSHIFT])
output[0] = shift_keymap[keycode];
else
output[0] = keymap[keycode];
write_buff(keyboard_buffer, output, 1);
kfree(output);
}
} else {
is_pressed[keycode - 128] = false;
}
uint32_t len = (uint32_t)(keyboard_buffer->head - keyboard_buffer->tail);
char* print_buff = kalloc(len + 1);
read_buff(keyboard_buffer, print_buff, len);
printf("%s", print_buff);
kfree(print_buff);
}
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