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114 lines
3.0 KiB
C
114 lines
3.0 KiB
C
/*
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* yesno.c -- implements the yes/no box
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*
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* AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
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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 a dialog box with two buttons - Yes and No
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*/
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int dialog_yesno(unsigned char *title, unsigned 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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#ifdef HAVE_NCURSES
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if (use_shadow)
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draw_shadow(stdscr, y, x, height, width);
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#endif
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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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wmove(dialog, height-3, 0);
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waddch(dialog, 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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wmove(dialog, height-2, 1);
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for (i = 0; i < width-2; i++)
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waddch(dialog, ' ');
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if (title != NULL) {
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wattrset(dialog, title_attr);
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wmove(dialog, 0, (width - strlen(title))/2 - 1);
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waddch(dialog, ' ');
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waddstr(dialog, 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, 1, 3);
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x = width/2-10;
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y = height-2;
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print_button(dialog, " No ", y, x+13, FALSE);
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print_button(dialog, " Yes ", y, x, TRUE);
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wrefresh(dialog);
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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 KEY_BTAB:
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case TAB:
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case KEY_UP:
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case KEY_DOWN:
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case KEY_LEFT:
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case KEY_RIGHT:
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if (!button) {
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button = 1; /* Indicates "No" button is selected */
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print_button(dialog, " Yes ", y, x, FALSE);
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print_button(dialog, " No ", y, x+13, TRUE);
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}
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else {
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button = 0; /* Indicates "Yes" button is selected */
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print_button(dialog, " No ", y, x+13, FALSE);
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print_button(dialog, " Yes ", y, x, TRUE);
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}
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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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/* End of dialog_yesno() */
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