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			115 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			115 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  *  yesno.c -- implements the yes/no box
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|  *
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|  *  ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
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|  *  MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
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|  *
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|  *  This program is free software; you can redistribute it and/or
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|  *  modify it under the terms of the GNU General Public License
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|  *  as published by the Free Software Foundation; either version 2
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|  *  of the License, or (at your option) any later version.
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|  *
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|  *  This program is distributed in the hope that it will be useful,
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|  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  *  GNU General Public License for more details.
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|  *
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|  *  You should have received a copy of the GNU General Public License
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|  *  along with this program; if not, write to the Free Software
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|  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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|  */
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| 
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| #include "dialog.h"
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| 
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| /*
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|  * Display termination buttons
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|  */
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| static void print_buttons(WINDOW * dialog, int height, int width, int selected)
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| {
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| 	int x = width / 2 - 10;
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| 	int y = height - 2;
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| 
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| 	print_button(dialog, gettext(" Yes "), y, x, selected == 0);
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| 	print_button(dialog, gettext("  No  "), y, x + 13, selected == 1);
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| 
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| 	wmove(dialog, y, x + 1 + 13 * selected);
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| 	wrefresh(dialog);
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| }
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| 
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| /*
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|  * Display a dialog box with two buttons - Yes and No
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|  */
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| int dialog_yesno(const char *title, const char *prompt, int height, int width)
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| {
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| 	int i, x, y, key = 0, button = 0;
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| 	WINDOW *dialog;
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| 
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| do_resize:
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| 	if (getmaxy(stdscr) < (height + YESNO_HEIGTH_MIN))
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| 		return -ERRDISPLAYTOOSMALL;
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| 	if (getmaxx(stdscr) < (width + YESNO_WIDTH_MIN))
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| 		return -ERRDISPLAYTOOSMALL;
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| 
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| 	/* center dialog box on screen */
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| 	x = (getmaxx(stdscr) - width) / 2;
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| 	y = (getmaxy(stdscr) - height) / 2;
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| 
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| 	draw_shadow(stdscr, y, x, height, width);
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| 
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| 	dialog = newwin(height, width, y, x);
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| 	keypad(dialog, TRUE);
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| 
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| 	draw_box(dialog, 0, 0, height, width,
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| 		 dlg.dialog.atr, dlg.border.atr);
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| 	wattrset(dialog, dlg.border.atr);
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| 	mvwaddch(dialog, height - 3, 0, ACS_LTEE);
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| 	for (i = 0; i < width - 2; i++)
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| 		waddch(dialog, ACS_HLINE);
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| 	wattrset(dialog, dlg.dialog.atr);
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| 	waddch(dialog, ACS_RTEE);
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| 
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| 	print_title(dialog, title, width);
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| 
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| 	wattrset(dialog, dlg.dialog.atr);
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| 	print_autowrap(dialog, prompt, width - 2, 1, 3);
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| 
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| 	print_buttons(dialog, height, width, 0);
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| 
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| 	while (key != KEY_ESC) {
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| 		key = wgetch(dialog);
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| 		switch (key) {
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| 		case 'Y':
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| 		case 'y':
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| 			delwin(dialog);
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| 			return 0;
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| 		case 'N':
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| 		case 'n':
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| 			delwin(dialog);
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| 			return 1;
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| 
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| 		case TAB:
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| 		case KEY_LEFT:
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| 		case KEY_RIGHT:
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| 			button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button);
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| 
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| 			print_buttons(dialog, height, width, button);
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| 			wrefresh(dialog);
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| 			break;
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| 		case ' ':
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| 		case '\n':
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| 			delwin(dialog);
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| 			return button;
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| 		case KEY_ESC:
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| 			key = on_key_esc(dialog);
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| 			break;
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| 		case KEY_RESIZE:
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| 			delwin(dialog);
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| 			on_key_resize();
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| 			goto do_resize;
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| 		}
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| 	}
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| 
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| 	delwin(dialog);
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| 	return key;		/* ESC pressed */
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| }
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