Method insert

src/query.cpp:778–802

insert text to line at cursor

// insert text to line at cursor
void Query::insert(const char *text, size_t size)
{
  char *end = line_end();
  if (end + size >= line_ + sizeof(Line))
  {
    size = line_ + sizeof(Line) - end - 1;
    Screen::alert();
  }
  if (size > 0)
  {
    char *ptr = line_ptr(col_);
    memmove(ptr + size, ptr, end - ptr + 1);
    memcpy(ptr, text, size);
    int oldlen = len_;
    len_ = line_len();
    int forward = len_ - oldlen;
    if (forward > 0)
    {
      updated_ = true;
      error_ = -1;
      col_ += forward;
      draw();
    }
  }
}

// insert one character (or a byte of a multi-byte sequence) in the line at the cursor
void Query::insert(int ch)