/* * 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(char *title, 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); 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, 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 = wgetch(dialog); switch (key) { case 'Y': case 'y': delwin(dialog); return 0; case 'N': case 'n': delwin(dialog); return 1; case TAB: case KEY_UP: case KEY_DOWN: case KEY_LEFT: case KEY_RIGHT: if (!button) { button = 1; /* Indicates "No" button is selected */ print_button(dialog, " Yes ", y, x, FALSE); print_button(dialog, " No ", y, x+13, TRUE); } else { button = 0; /* Indicates "Yes" button is 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 */ } /* End of dialog_yesno() */