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#include "vterm.h"
#include <camellia/syscalls.h>
#include <stdbool.h>
#include <stdlib.h>
struct point cursor = {0};
void in_char(char c) {
switch (c) {
case '\n':
cursor.x = 0;
cursor.y++;
break;
case '\b':
if (cursor.x > 0) cursor.x--;
break;
default:
font_blit(c, cursor.x, cursor.y);
cursor.x++;
}
if (cursor.x * font.w >= fb.width) {
cursor.x = 0;
cursor.y++;
}
while (cursor.y * font.h >= fb.height) scroll();
}
int main(void) {
fb_fd = _syscall_open("/kdev/video/b", 13, 0);
// TODO don't hardcode size
fb.len = 640 * 480 * 4;
fb.width = 640;
fb.height = 480;
fb.pitch = 640 * 4;
fb.b = malloc(fb.len);
font_load("/init/font.psf");
static char buf[512];
struct fs_wait_response res;
while (!_syscall_fs_wait(buf, sizeof buf, &res)) {
switch (res.op) {
case VFSOP_OPEN:
// TODO check path
_syscall_fs_respond(NULL, 0, 0);
break;
case VFSOP_WRITE:
if (res.flags) {
_syscall_fs_respond(NULL, -1, 0);
} else {
for (size_t i = 0; i < res.len; i++)
in_char(buf[i]);
flush();
_syscall_fs_respond(NULL, res.len, 0);
}
break;
default:
_syscall_fs_respond(NULL, -1, 0);
break;
}
}
return 1;
}
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