crosstool-ng: kconfig/lxdialog/yesno.c@c9967a6e3b25 (annotated)

yann@1	1	/*
yann@1	2	* yesno.c -- implements the yes/no box
yann@1	3	*
yann@1	4	* ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
yann@1	5	* MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
yann@1	6	*
yann@1	7	* This program is free software; you can redistribute it and/or
yann@1	8	* modify it under the terms of the GNU General Public License
yann@1	9	* as published by the Free Software Foundation; either version 2
yann@1	10	* of the License, or (at your option) any later version.
yann@1	11	*
yann@1	12	* This program is distributed in the hope that it will be useful,
yann@1	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
yann@1	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
yann@1	15	* GNU General Public License for more details.
yann@1	16	*
yann@1	17	* You should have received a copy of the GNU General Public License
yann@1	18	* along with this program; if not, write to the Free Software
yann@1	19	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
yann@1	20	*/
yann@1	21
yann@1	22	#include "dialog.h"
yann@1	23
yann@1	24	/*
yann@1	25	* Display termination buttons
yann@1	26	*/
yann@1	27	static void print_buttons(WINDOW * dialog, int height, int width, int selected)
yann@1	28	{
yann@1	29	int x = width / 2 - 10;
yann@1	30	int y = height - 2;
yann@1	31
yann@943	32	print_button(dialog, gettext(" Yes "), y, x, selected == 0);
yann@943	33	print_button(dialog, gettext(" No "), y, x + 13, selected == 1);
yann@1	34
yann@1	35	wmove(dialog, y, x + 1 + 13 * selected);
yann@1	36	wrefresh(dialog);
yann@1	37	}
yann@1	38
yann@1	39	/*
yann@1	40	* Display a dialog box with two buttons - Yes and No
yann@1	41	*/
yann@1	42	int dialog_yesno(const char title, const char prompt, int height, int width)
yann@1	43	{
yann@1	44	int i, x, y, key = 0, button = 0;
yann@1	45	WINDOW *dialog;
yann@1	46
yann@1	47	do_resize:
yann@1	48	if (getmaxy(stdscr) < (height + 4))
yann@1	49	return -ERRDISPLAYTOOSMALL;
yann@1	50	if (getmaxx(stdscr) < (width + 4))
yann@1	51	return -ERRDISPLAYTOOSMALL;
yann@1	52
yann@1	53	/* center dialog box on screen */
yann@1	54	x = (COLS - width) / 2;
yann@1	55	y = (LINES - height) / 2;
yann@1	56
yann@1	57	draw_shadow(stdscr, y, x, height, width);
yann@1	58
yann@1	59	dialog = newwin(height, width, y, x);
yann@1	60	keypad(dialog, TRUE);
yann@1	61
yann@1	62	draw_box(dialog, 0, 0, height, width,
yann@1	63	dlg.dialog.atr, dlg.border.atr);
yann@1	64	wattrset(dialog, dlg.border.atr);
yann@1	65	mvwaddch(dialog, height - 3, 0, ACS_LTEE);
yann@1	66	for (i = 0; i < width - 2; i++)
yann@1	67	waddch(dialog, ACS_HLINE);
yann@1	68	wattrset(dialog, dlg.dialog.atr);
yann@1	69	waddch(dialog, ACS_RTEE);
yann@1	70
yann@1	71	print_title(dialog, title, width);
yann@1	72
yann@1	73	wattrset(dialog, dlg.dialog.atr);
yann@1	74	print_autowrap(dialog, prompt, width - 2, 1, 3);
yann@1	75
yann@1	76	print_buttons(dialog, height, width, 0);
yann@1	77
yann@1	78	while (key != KEY_ESC) {
yann@1	79	key = wgetch(dialog);
yann@1	80	switch (key) {
yann@1	81	case 'Y':
yann@1	82	case 'y':
yann@1	83	delwin(dialog);
yann@1	84	return 0;
yann@1	85	case 'N':
yann@1	86	case 'n':
yann@1	87	delwin(dialog);
yann@1	88	return 1;
yann@1	89
yann@1	90	case TAB:
yann@1	91	case KEY_LEFT:
yann@1	92	case KEY_RIGHT:
yann@1	93	button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button);
yann@1	94
yann@1	95	print_buttons(dialog, height, width, button);
yann@1	96	wrefresh(dialog);
yann@1	97	break;
yann@1	98	case ' ':
yann@1	99	case '\n':
yann@1	100	delwin(dialog);
yann@1	101	return button;
yann@1	102	case KEY_ESC:
yann@1	103	key = on_key_esc(dialog);
yann@1	104	break;
yann@1	105	case KEY_RESIZE:
yann@1	106	delwin(dialog);
yann@1	107	on_key_resize();
yann@1	108	goto do_resize;
yann@1	109	}
yann@1	110	}
yann@1	111
yann@1	112	delwin(dialog);
yann@1	113	return key; /* ESC pressed */
yann@1	114	}

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Mon Feb 02 22:00:18 2009 +0000 (2009-02-02)
changeset 1201	c9967a6e3b25
parent 1	eeea35fbf182
permissions	-rw-r--r--