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- /*
- * yesno.c -- implements the yes/no box
- *
- * AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
- *
- * 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"
-
- /*
- * Display a dialog box with two buttons - Yes and No
- */
- int
- dialog_yesno (const char *title, const char *prompt, int height, int width)
- {
- int i, x, y, key = 0, button = 0;
- WINDOW *dialog;
-
- /* center dialog box on screen */
- x = (COLS - width) / 2;
- y = (LINES - height) / 2;
-
- #ifdef HAVE_NCURSES
- if (use_shadow)
- draw_shadow (stdscr, y, x, height, width);
- #endif
- dialog = newwin (height, width, y, x);
- mouse_setbase (x, y);
- keypad (dialog, TRUE);
-
- draw_box (dialog, 0, 0, height, width, dialog_attr, border_attr);
- wattrset (dialog, border_attr);
- wmove (dialog, height - 3, 0);
- waddch (dialog, ACS_LTEE);
- for (i = 0; i < width - 2; i++)
- waddch (dialog, ACS_HLINE);
- wattrset (dialog, dialog_attr);
- waddch (dialog, ACS_RTEE);
- wmove (dialog, height - 2, 1);
- for (i = 0; i < width - 2; i++)
- waddch (dialog, ' ');
-
- if (title != NULL) {
- wattrset (dialog, title_attr);
- wmove (dialog, 0, (width - strlen (title)) / 2 - 1);
- waddch (dialog, ' ');
- waddstr (dialog, title);
- waddch (dialog, ' ');
- }
- wattrset (dialog, dialog_attr);
- print_autowrap (dialog, prompt, width - 2, 1, 3);
-
- x = width / 2 - 10;
- y = height - 2;
- print_button (dialog, " No ", y, x + 13, FALSE);
- print_button (dialog, " Yes ", y, x, TRUE);
- wrefresh (dialog);
-
- while (key != ESC) {
- key = mouse_wgetch (dialog);
- switch (key) {
- case 'Y':
- case 'y':
- delwin (dialog);
- return 0;
- case 'N':
- case 'n':
- delwin (dialog);
- return 1;
-
- case M_EVENT + 'y': /* mouse enter... */
- case M_EVENT + 'n': /* use the code for toggling */
- button = (key == M_EVENT + 'y');
-
- case TAB:
- case KEY_UP:
- case KEY_DOWN:
- case KEY_LEFT:
- case KEY_RIGHT:
- if (!button) {
- button = 1; /* "No" button selected */
- print_button (dialog, " Yes ", y, x, FALSE);
- print_button (dialog, " No ", y, x + 13, TRUE);
- } else {
- button = 0; /* "Yes" button selected */
- print_button (dialog, " No ", y, x + 13, FALSE);
- print_button (dialog, " Yes ", y, x, TRUE);
- }
- wrefresh (dialog);
- break;
- case ' ':
- case '\n':
- delwin (dialog);
- return button;
- case ESC:
- break;
- }
- }
-
- delwin (dialog);
- return -1; /* ESC pressed */
- }
-