layout.c File Reference

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Functions
asciichat_error_t	ui_layout_measure (terminal_size_t size, int header, int detail, int footer, ui_layout_t *out)

Function Documentation

ui_layout_measure()

asciichat_error_t ui_layout_measure	(	terminal_size_t	size,
		int	header_rows,
		int	detail_rows,
		int	footer_rows,
		ui_layout_t *	out )

Fixed chrome with a bounded, possibly empty body viewport.

Definition at line 3 of file ui/layout.c.

                                                                                                                {
  if (!out || size.cols < 1 || size.rows < 1 || header < 0 || detail < 0 || footer < 0 || header > INT_MAX - detail ||
      header + detail > INT_MAX - footer)
    return SET_ERRNO(ERROR_INVALID_PARAM, "Invalid TUI geometry or fixed row counts");
  int chrome = header + detail + footer;
  *out = (ui_layout_t){.body_row = header + 1,
                       .body_rows = size.rows > chrome ? size.rows - chrome : 0,
                       .detail_row = size.rows - detail - footer + 1,
                       .footer_row = size.rows - footer + 1};
  if (out->detail_row < 1)
    out->detail_row = 1;
  if (out->footer_row < 1)
    out->footer_row = 1;
  return ASCIICHAT_OK;
}

References ASCIICHAT_OK, ERROR_INVALID_PARAM, out, and SET_ERRNO.

Referenced by tui_stats_render(), and ui_sync_render().