arrows.c

来自「This version of dialog, formerly known a」· C语言 代码 · 共 62 行

/*
 *  $Id: arrows.c,v 1.6 2003/11/26 16:37:34 tom Exp $
 *
 *  arrows.c -- draw arrows to indicate end-of-range for lists
 *
 * Copyright 2000-2002,2003   Thomas E. Dickey
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2
 *  of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "dialog.h"

void
dlg_draw_arrows(WINDOW *dialog,
		int top_arrow,
		int bottom_arrow,
		int x,
		int top,
		int bottom)
{
    int cur_x, cur_y;

    getyx(dialog, cur_y, cur_x);

    (void) wmove(dialog, top, x);
    if (top_arrow) {
	wattrset(dialog, uarrow_attr);
	(void) waddch(dialog, ACS_UARROW);
	(void) waddstr(dialog, "(+)");
    } else {
	wattrset(dialog, menubox_attr);
	(void) whline(dialog, ACS_HLINE, 4);
    }
    mouse_mkbutton(top, x - 1, 6, KEY_PPAGE);

    (void) wmove(dialog, bottom, x);
    if (bottom_arrow) {
	wattrset(dialog, darrow_attr);
	(void) waddch(dialog, ACS_DARROW);
	(void) waddstr(dialog, "(+)");
    } else {
	wattrset(dialog, menubox_border_attr);
	(void) whline(dialog, ACS_HLINE, 4);
    }
    mouse_mkbutton(bottom, x - 1, 6, KEY_NPAGE);

    (void) wmove(dialog, cur_y, cur_x);
    wrefresh(dialog);
}