119 lines
3 KiB
C
119 lines
3 KiB
C
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/*
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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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#include "dialog.h"
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/*
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* Display termination buttons
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*/
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static void
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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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print_button (dialog, " Yes ", y, x, selected == 0);
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print_button (dialog, " No ", y, x + 13, selected == 1);
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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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* Display a dialog box with two buttons - Yes and No
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*/
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int
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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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/* center dialog box on screen */
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x = (COLS - width) / 2;
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y = (LINES - height) / 2;
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draw_shadow (stdscr, y, x, height, width);
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dialog = newwin (height, width, y, x);
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keypad (dialog, TRUE);
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draw_box (dialog, 0, 0, height, width, dialog_attr, border_attr);
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wattrset (dialog, border_attr);
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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, dialog_attr);
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waddch (dialog, ACS_RTEE);
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if (title != NULL && strlen(title) >= width-2 ) {
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/* truncate long title -- mec */
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char * title2 = malloc(width-2+1);
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memcpy( title2, title, width-2 );
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title2[width-2] = '\0';
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title = title2;
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}
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if (title != NULL) {
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wattrset (dialog, title_attr);
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mvwaddch (dialog, 0, (width - strlen(title))/2 - 1, ' ');
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waddstr (dialog, (char *)title);
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waddch (dialog, ' ');
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}
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wattrset (dialog, dialog_attr);
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print_autowrap (dialog, prompt, width - 2, 1, 3);
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print_buttons(dialog, height, width, 0);
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while (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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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)
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? 1 : (button > 1 ? 0 : button);
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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 ESC:
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break;
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}
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}
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delwin (dialog);
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return -1; /* ESC pressed */
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}
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