Exemple #1
0
/*
 * Display a menu for choosing among a number of options
 */
int dialog_menu(const char *title, const char *prompt,
                const void *selected, int *s_scroll)
{
	int i, j, x, y, box_x, box_y;
	int height, width, menu_height;
	int key = 0, button = 0, scroll = 0, choice = 0;
	int first_item =  0, max_choice;
	WINDOW *dialog, *menu;

do_resize:
	height = getmaxy(stdscr);
	width = getmaxx(stdscr);
	if (height < 15 || width < 65)
		return -ERRDISPLAYTOOSMALL;

	height -= 4;
	width  -= 5;
	menu_height = height - 10;

	max_choice = MIN(menu_height, item_count());

	/* center dialog box on screen */
	x = (COLS - width) / 2;
	y = (LINES - height) / 2;

	draw_shadow(stdscr, y, x, height, width);

	dialog = newwin(height, width, y, x);
	keypad(dialog, TRUE);

	draw_box(dialog, 0, 0, height, width,
		 dlg.dialog.atr, dlg.border.atr);
	wattrset(dialog, dlg.border.atr);
	mvwaddch(dialog, height - 3, 0, ACS_LTEE);
	for (i = 0; i < width - 2; i++)
		waddch(dialog, ACS_HLINE);
	wattrset(dialog, dlg.dialog.atr);
	wbkgdset(dialog, dlg.dialog.atr & A_COLOR);
	waddch(dialog, ACS_RTEE);

	print_title(dialog, title, width);

	wattrset(dialog, dlg.dialog.atr);
	print_autowrap(dialog, prompt, width - 2, 1, 3);

	menu_width = width - 6;
	box_y = height - menu_height - 5;
	box_x = (width - menu_width) / 2 - 1;

	/* create new window for the menu */
	menu = subwin(dialog, menu_height, menu_width,
		      y + box_y + 1, x + box_x + 1);
	keypad(menu, TRUE);

	/* draw a box around the menu items */
	draw_box(dialog, box_y, box_x, menu_height + 2, menu_width + 2,
		 dlg.menubox_border.atr, dlg.menubox.atr);

	if (menu_width >= 80)
		item_x = (menu_width - 70) / 2;
	else
		item_x = 4;

	/* Set choice to default item */
	item_foreach()
		if (selected && (selected == item_data()))
			choice = item_n();
	/* get the saved scroll info */
	scroll = *s_scroll;
	if ((scroll <= choice) && (scroll + max_choice > choice) &&
	   (scroll >= 0) && (scroll + max_choice <= item_count())) {
		first_item = scroll;
		choice = choice - scroll;
	} else {
		scroll = 0;
	}
	if ((choice >= max_choice)) {
		if (choice >= item_count() - max_choice / 2)
			scroll = first_item = item_count() - max_choice;
		else
			scroll = first_item = choice - max_choice / 2;
		choice = choice - scroll;
	}

	/* Print the menu */
	for (i = 0; i < max_choice; i++) {
		print_item(first_item + i, i, i == choice);
	}

	wnoutrefresh(menu);

	print_arrows(dialog, item_count(), scroll,
		     box_y, box_x + item_x + 1, menu_height);

	print_buttons(dialog, height, width, 0);
	wmove(menu, choice, item_x + 1);
	wrefresh(menu);

	while (key != KEY_ESC) {
		key = wgetch(menu);

		if (key < 256 && isalpha(key))
			key = tolower(key);

		if (strchr("ynmh", key))
			i = max_choice;
		else {
			for (i = choice + 1; i < max_choice; i++) {
				item_set(scroll + i);
				j = first_alpha(item_str(), "YyNnMmHh");
				if (key == tolower(item_str()[j]))
					break;
			}
			if (i == max_choice)
				for (i = 0; i < max_choice; i++) {
					item_set(scroll + i);
					j = first_alpha(item_str(), "YyNnMmHh");
					if (key == tolower(item_str()[j]))
						break;
				}
		}

		if (i < max_choice ||
		    key == KEY_UP || key == KEY_DOWN ||
		    key == '-' || key == '+' ||
		    key == KEY_PPAGE || key == KEY_NPAGE) {
			/* Remove highligt of current item */
			print_item(scroll + choice, choice, FALSE);

			if (key == KEY_UP || key == '-') {
				if (choice < 2 && scroll) {
					/* Scroll menu down */
					do_scroll(menu, &scroll, -1);

					print_item(scroll, 0, FALSE);
				} else
					choice = MAX(choice - 1, 0);

			} else if (key == KEY_DOWN || key == '+') {
				print_item(scroll+choice, choice, FALSE);

				if ((choice > max_choice - 3) &&
				    (scroll + max_choice < item_count())) {
					/* Scroll menu up */
					do_scroll(menu, &scroll, 1);

					print_item(scroll+max_choice - 1,
						   max_choice - 1, FALSE);
				} else
					choice = MIN(choice + 1, max_choice - 1);

			} else if (key == KEY_PPAGE) {
				scrollok(menu, TRUE);
				for (i = 0; (i < max_choice); i++) {
					if (scroll > 0) {
						do_scroll(menu, &scroll, -1);
						print_item(scroll, 0, FALSE);
					} else {
						if (choice > 0)
							choice--;
					}
				}

			} else if (key == KEY_NPAGE) {
				for (i = 0; (i < max_choice); i++) {
					if (scroll + max_choice < item_count()) {
						do_scroll(menu, &scroll, 1);
						print_item(scroll+max_choice-1,
							   max_choice - 1, FALSE);
					} else {
						if (choice + 1 < max_choice)
							choice++;
					}
				}
			} else
				choice = i;

			print_item(scroll + choice, choice, TRUE);

			print_arrows(dialog, item_count(), scroll,
				     box_y, box_x + item_x + 1, menu_height);

			wnoutrefresh(dialog);
			wrefresh(menu);

			continue;	/* wait for another key press */
		}

		switch (key) {
		case KEY_LEFT:
		case TAB:
		case KEY_RIGHT:
			button = ((key == KEY_LEFT ? --button : ++button) < 0)
			    ? 2 : (button > 2 ? 0 : button);

			print_buttons(dialog, height, width, button);
			wrefresh(menu);
			break;
		case ' ':
		case 's':
		case 'y':
		case 'n':
		case 'm':
		case '/':
			/* save scroll info */
			*s_scroll = scroll;
			delwin(menu);
			delwin(dialog);
			item_set(scroll + choice);
			item_set_selected(1);
			switch (key) {
			case 's':
				return 3;
			case 'y':
				return 3;
			case 'n':
				return 4;
			case 'm':
				return 5;
			case ' ':
				return 6;
			case '/':
				return 7;
			}
			return 0;
		case 'h':
		case '?':
			button = 2;
		case '\n':
			*s_scroll = scroll;
			delwin(menu);
			delwin(dialog);
			item_set(scroll + choice);
			item_set_selected(1);
			return button;
		case 'e':
		case 'x':
			key = KEY_ESC;
			break;
		case KEY_ESC:
			key = on_key_esc(menu);
			break;
#ifdef NCURSES_VERSION
		case KEY_RESIZE:
			on_key_resize();
			delwin(menu);
			delwin(dialog);
			goto do_resize;
#endif
		}
	}
	delwin(menu);
	delwin(dialog);
	return key;		/* ESC pressed */
}
int dialog_checklist(const char *title, const char *prompt, int height,
		     int width, int list_height)
{
	int i, x, y, box_x, box_y;
	int key = 0, button = 0, choice = 0, scroll = 0, max_choice;
	WINDOW *dialog, *list;

	/*                         */
	item_foreach() {
		if (item_is_tag('X'))
			choice = item_n();
		if (item_is_selected()) {
			choice = item_n();
			break;
		}
	}

do_resize:
	if (getmaxy(stdscr) < (height + 6))
		return -ERRDISPLAYTOOSMALL;
	if (getmaxx(stdscr) < (width + 6))
		return -ERRDISPLAYTOOSMALL;

	max_choice = MIN(list_height, item_count());

	/*                             */
	x = (COLS - width) / 2;
	y = (LINES - height) / 2;

	draw_shadow(stdscr, y, x, height, width);

	dialog = newwin(height, width, y, x);
	keypad(dialog, TRUE);

	draw_box(dialog, 0, 0, height, width,
		 dlg.dialog.atr, dlg.border.atr);
	wattrset(dialog, dlg.border.atr);
	mvwaddch(dialog, height - 3, 0, ACS_LTEE);
	for (i = 0; i < width - 2; i++)
		waddch(dialog, ACS_HLINE);
	wattrset(dialog, dlg.dialog.atr);
	waddch(dialog, ACS_RTEE);

	print_title(dialog, title, width);

	wattrset(dialog, dlg.dialog.atr);
	print_autowrap(dialog, prompt, width - 2, 1, 3);

	list_width = width - 6;
	box_y = height - list_height - 5;
	box_x = (width - list_width) / 2 - 1;

	/*                                */
	list = subwin(dialog, list_height, list_width, y + box_y + 1,
	              x + box_x + 1);

	keypad(list, TRUE);

	/*                                  */
	draw_box(dialog, box_y, box_x, list_height + 2, list_width + 2,
	         dlg.menubox_border.atr, dlg.menubox.atr);

	/*                                                          */
	check_x = 0;
	item_foreach()
		check_x = MAX(check_x, strlen(item_str()) + 4);
	check_x = MIN(check_x, list_width);

	check_x = (list_width - check_x) / 2;
	item_x = check_x + 4;

	if (choice >= list_height) {
		scroll = choice - list_height + 1;
		choice -= scroll;
	}

	/*                */
	for (i = 0; i < max_choice; i++) {
		item_set(scroll + i);
		print_item(list, i, i == choice);
	}

	print_arrows(dialog, choice, item_count(), scroll,
		     box_y, box_x + check_x + 5, list_height);

	print_buttons(dialog, height, width, 0);

	wnoutrefresh(dialog);
	wnoutrefresh(list);
	doupdate();

	while (key != KEY_ESC) {
		key = wgetch(dialog);

		for (i = 0; i < max_choice; i++) {
			item_set(i + scroll);
			if (toupper(key) == toupper(item_str()[0]))
				break;
		}

		if (i < max_choice || key == KEY_UP || key == KEY_DOWN ||
		    key == '+' || key == '-') {
			if (key == KEY_UP || key == '-') {
				if (!choice) {
					if (!scroll)
						continue;
					/*                  */
					if (list_height > 1) {
						/*                                 */
						item_set(scroll);
						print_item(list, 0, FALSE);
						scrollok(list, TRUE);
						wscrl(list, -1);
						scrollok(list, FALSE);
					}
					scroll--;
					item_set(scroll);
					print_item(list, 0, TRUE);
					print_arrows(dialog, choice, item_count(),
						     scroll, box_y, box_x + check_x + 5, list_height);

					wnoutrefresh(dialog);
					wrefresh(list);

					continue;	/*                            */
				} else
					i = choice - 1;
			} else if (key == KEY_DOWN || key == '+') {
				if (choice == max_choice - 1) {
					if (scroll + choice >= item_count() - 1)
						continue;
					/*                */
					if (list_height > 1) {
						/*                                                    */
						item_set(scroll + max_choice - 1);
						print_item(list,
							    max_choice - 1,
							    FALSE);
						scrollok(list, TRUE);
						wscrl(list, 1);
						scrollok(list, FALSE);
					}
					scroll++;
					item_set(scroll + max_choice - 1);
					print_item(list, max_choice - 1, TRUE);

					print_arrows(dialog, choice, item_count(),
						     scroll, box_y, box_x + check_x + 5, list_height);

					wnoutrefresh(dialog);
					wrefresh(list);

					continue;	/*                            */
				} else
					i = choice + 1;
			}
			if (i != choice) {
				/*                           */
				item_set(scroll + choice);
				print_item(list, choice, FALSE);
				/*                    */
				choice = i;
				item_set(scroll + choice);
				print_item(list, choice, TRUE);
				wnoutrefresh(dialog);
				wrefresh(list);
			}
			continue;	/*                            */
		}
		switch (key) {
		case 'H':
		case 'h':
		case '?':
			button = 1;
			/*              */
		case 'S':
		case 's':
		case ' ':
		case '\n':
			item_foreach()
				item_set_selected(0);
			item_set(scroll + choice);
			item_set_selected(1);
			delwin(list);
			delwin(dialog);
			return button;
		case TAB:
		case KEY_LEFT:
		case KEY_RIGHT:
			button = ((key == KEY_LEFT ? --button : ++button) < 0)
			    ? 1 : (button > 1 ? 0 : button);

			print_buttons(dialog, height, width, button);
			wrefresh(dialog);
			break;
		case 'X':
		case 'x':
			key = KEY_ESC;
			break;
		case KEY_ESC:
			key = on_key_esc(dialog);
			break;
		case KEY_RESIZE:
			delwin(list);
			delwin(dialog);
			on_key_resize();
			goto do_resize;
		}

		/*                           */
		doupdate();
	}
	delwin(list);
	delwin(dialog);
	return key;		/*             */
}
Exemple #3
0
/*
 * Display a dialog box for inputing a string
 */
int dialog_inputbox(const char *title, const char *prompt, int height, int width,
                    const char *init)
{
	int i, x, y, box_y, box_x, box_width;
	int input_x = 0, scroll = 0, key = 0, button = -1;
	char *instr = dialog_input_result;
	WINDOW *dialog;

	if (!init)
		instr[0] = '\0';
	else
		strcpy(instr, init);

do_resize:
	if (getmaxy(stdscr) <= (height - 2))
		return -ERRDISPLAYTOOSMALL;
	if (getmaxx(stdscr) <= (width - 2))
		return -ERRDISPLAYTOOSMALL;

	/* center dialog box on screen */
	x = (COLS - width) / 2;
	y = (LINES - height) / 2;

	draw_shadow(stdscr, y, x, height, width);

	dialog = newwin(height, width, y, x);
	keypad(dialog, TRUE);

	draw_box(dialog, 0, 0, height, width,
		 dlg.dialog.atr, dlg.border.atr);
	wattrset(dialog, dlg.border.atr);
	mvwaddch(dialog, height - 3, 0, ACS_LTEE);
	for (i = 0; i < width - 2; i++)
		waddch(dialog, ACS_HLINE);
	wattrset(dialog, dlg.dialog.atr);
	waddch(dialog, ACS_RTEE);

	print_title(dialog, title, width);

	wattrset(dialog, dlg.dialog.atr);
	print_autowrap(dialog, prompt, width - 2, 1, 3);

	/* Draw the input field box */
	box_width = width - 6;
	getyx(dialog, y, x);
	box_y = y + 2;
	box_x = (width - box_width) / 2;
	draw_box(dialog, y + 1, box_x - 1, 3, box_width + 2,
		 dlg.border.atr, dlg.dialog.atr);

	print_buttons(dialog, height, width, 0);

	/* Set up the initial value */
	wmove(dialog, box_y, box_x);
	wattrset(dialog, dlg.inputbox.atr);

	input_x = strlen(instr);

	if (input_x >= box_width) {
		scroll = input_x - box_width + 1;
		input_x = box_width - 1;
		for (i = 0; i < box_width - 1; i++)
			waddch(dialog, instr[scroll + i]);
	} else {
		waddstr(dialog, instr);
	}

	wmove(dialog, box_y, box_x + input_x);

	wrefresh(dialog);

	while (key != KEY_ESC) {
		key = wgetch(dialog);

		if (button == -1) {	/* Input box selected */
			switch (key) {
			case TAB:
			case KEY_UP:
			case KEY_DOWN:
				break;
			case KEY_LEFT:
				continue;
			case KEY_RIGHT:
				continue;
			case KEY_BACKSPACE:
			case 127:
			case '\b':
				if (input_x || scroll) {
					wattrset(dialog, dlg.inputbox.atr);
					if (!input_x) {
						scroll = scroll < box_width - 1 ? 0 : scroll - (box_width - 1);
						wmove(dialog, box_y, box_x);
						for (i = 0; i < box_width; i++)
							waddch(dialog,
							       instr[scroll + input_x + i] ?
							       instr[scroll + input_x + i] : ' ');
						input_x = strlen(instr) - scroll;
					} else
						input_x--;
					instr[scroll + input_x] = '\0';
					mvwaddch(dialog, box_y, input_x + box_x, ' ');
					wmove(dialog, box_y, input_x + box_x);
					wrefresh(dialog);
				}
				continue;
			default:
				if (key < 0x100 && isprint(key)) {
					if (scroll + input_x < MAX_LEN) {
						wattrset(dialog, dlg.inputbox.atr);
						instr[scroll + input_x] = key;
						instr[scroll + input_x + 1] = '\0';
						if (input_x == box_width - 1) {
							scroll++;
							wmove(dialog, box_y, box_x);
							for (i = 0; i < box_width - 1; i++)
								waddch(dialog, instr [scroll + i]);
						} else {
							wmove(dialog, box_y, input_x++ + box_x);
							waddch(dialog, key);
						}
						wrefresh(dialog);
					} else
						flash();	/* Alarm user about overflow */
					continue;
				}
			}
		}
		switch (key) {
		case 'O':
		case 'o':
			delwin(dialog);
			return 0;
		case 'H':
		case 'h':
			delwin(dialog);
			return 1;
		case KEY_UP:
		case KEY_LEFT:
			switch (button) {
			case -1:
				button = 1;	/* Indicates "Cancel" button is selected */
				print_buttons(dialog, height, width, 1);
				break;
			case 0:
				button = -1;	/* Indicates input box is selected */
				print_buttons(dialog, height, width, 0);
				wmove(dialog, box_y, box_x + input_x);
				wrefresh(dialog);
				break;
			case 1:
				button = 0;	/* Indicates "OK" button is selected */
				print_buttons(dialog, height, width, 0);
				break;
			}
			break;
		case TAB:
		case KEY_DOWN:
		case KEY_RIGHT:
			switch (button) {
			case -1:
				button = 0;	/* Indicates "OK" button is selected */
				print_buttons(dialog, height, width, 0);
				break;
			case 0:
				button = 1;	/* Indicates "Cancel" button is selected */
				print_buttons(dialog, height, width, 1);
				break;
			case 1:
				button = -1;	/* Indicates input box is selected */
				print_buttons(dialog, height, width, 0);
				wmove(dialog, box_y, box_x + input_x);
				wrefresh(dialog);
				break;
			}
			break;
		case ' ':
		case '\n':
			delwin(dialog);
			return (button == -1 ? 0 : button);
		case 'X':
		case 'x':
			key = KEY_ESC;
			break;
		case KEY_ESC:
			key = on_key_esc(dialog);
			break;
#ifdef NCURSES_VERSION
		case KEY_RESIZE:
			delwin(dialog);
			on_key_resize();
			goto do_resize;
#endif
		}
	}

	delwin(dialog);
	return KEY_ESC;		/* ESC pressed */
}
/*
 * Display text from a file in a dialog box.
 */
int dialog_textbox(const char *title, const char *tbuf,
		   int initial_height, int initial_width)
{
	int i, x, y, cur_x, cur_y, key = 0;
	int height, width, boxh, boxw;
	int passed_end;
	WINDOW *dialog, *box;

	begin_reached = 1;
	end_reached = 0;
	page_length = 0;
	hscroll = 0;
	buf = tbuf;
	page = buf;	/* page is pointer to start of page to be displayed */

do_resize:
	getmaxyx(stdscr, height, width);
	if (height < 8 || width < 8)
		return -ERRDISPLAYTOOSMALL;
	if (initial_height != 0)
		height = initial_height;
	else
		if (height > 4)
			height -= 4;
		else
			height = 0;
	if (initial_width != 0)
		width = initial_width;
	else
		if (width > 5)
			width -= 5;
		else
			width = 0;

	/* center dialog box on screen */
	x = (COLS - width) / 2;
	y = (LINES - height) / 2;

	draw_shadow(stdscr, y, x, height, width);

	dialog = newwin(height, width, y, x);
	keypad(dialog, TRUE);

	/* Create window for box region, used for scrolling text */
	boxh = height - 4;
	boxw = width - 2;
	box = subwin(dialog, boxh, boxw, y + 1, x + 1);
	wattrset(box, dlg.dialog.atr);
	wbkgdset(box, dlg.dialog.atr & A_COLOR);

	keypad(box, TRUE);

	/* register the new window, along with its borders */
	draw_box(dialog, 0, 0, height, width,
		 dlg.dialog.atr, dlg.border.atr);

	wattrset(dialog, dlg.border.atr);
	mvwaddch(dialog, height - 3, 0, ACS_LTEE);
	for (i = 0; i < width - 2; i++)
		waddch(dialog, ACS_HLINE);
	wattrset(dialog, dlg.dialog.atr);
	wbkgdset(dialog, dlg.dialog.atr & A_COLOR);
	waddch(dialog, ACS_RTEE);

	print_title(dialog, title, width);

	print_button(dialog, gettext(" Exit "), height - 2, width / 2 - 4, TRUE);
	wnoutrefresh(dialog);
	getyx(dialog, cur_y, cur_x);	/* Save cursor position */

	/* Print first page of text */
	attr_clear(box, boxh, boxw, dlg.dialog.atr);
	refresh_text_box(dialog, box, boxh, boxw, cur_y, cur_x);

	while ((key != KEY_ESC) && (key != '\n')) {
		key = wgetch(dialog);
		switch (key) {
		case 'E':	/* Exit */
		case 'e':
		case 'X':
		case 'x':
		case 'q':
			delwin(box);
			delwin(dialog);
			return 0;
		case 'g':	/* First page */
		case KEY_HOME:
			if (!begin_reached) {
				begin_reached = 1;
				page = buf;
				refresh_text_box(dialog, box, boxh, boxw,
						 cur_y, cur_x);
			}
			break;
		case 'G':	/* Last page */
		case KEY_END:

			end_reached = 1;
			/* point to last char in buf */
			page = buf + strlen(buf);
			back_lines(boxh);
			refresh_text_box(dialog, box, boxh, boxw,
					 cur_y, cur_x);
			break;
		case 'K':	/* Previous line */
		case 'k':
		case KEY_UP:
			if (!begin_reached) {
				back_lines(page_length + 1);

				/* We don't call print_page() here but use
				 * scrolling to ensure faster screen update.
				 * However, 'end_reached' and 'page_length'
				 * should still be updated, and 'page' should
				 * point to start of next page. This is done
				 * by calling get_line() in the following
				 * 'for' loop. */
				scrollok(box, TRUE);
				wscrl(box, -1);	/* Scroll box region down one line */
				scrollok(box, FALSE);
				page_length = 0;
				passed_end = 0;
				for (i = 0; i < boxh; i++) {
					if (!i) {
						/* print first line of page */
						print_line(box, 0, boxw);
						wnoutrefresh(box);
					} else
						/* Called to update 'end_reached' and 'page' */
						get_line();
					if (!passed_end)
						page_length++;
					if (end_reached && !passed_end)
						passed_end = 1;
				}

				print_position(dialog);
				wmove(dialog, cur_y, cur_x);	/* Restore cursor position */
				wrefresh(dialog);
			}
			break;
		case 'B':	/* Previous page */
		case 'b':
		case 'u':
		case KEY_PPAGE:
			if (begin_reached)
				break;
			back_lines(page_length + boxh);
			refresh_text_box(dialog, box, boxh, boxw,
					 cur_y, cur_x);
			break;
		case 'J':	/* Next line */
		case 'j':
		case KEY_DOWN:
			if (!end_reached) {
				begin_reached = 0;
				scrollok(box, TRUE);
				scroll(box);	/* Scroll box region up one line */
				scrollok(box, FALSE);
				print_line(box, boxh - 1, boxw);
				wnoutrefresh(box);
				print_position(dialog);
				wmove(dialog, cur_y, cur_x);	/* Restore cursor position */
				wrefresh(dialog);
			}
			break;
		case KEY_NPAGE:	/* Next page */
		case ' ':
		case 'd':
			if (end_reached)
				break;

			begin_reached = 0;
			refresh_text_box(dialog, box, boxh, boxw,
					 cur_y, cur_x);
			break;
		case '0':	/* Beginning of line */
		case 'H':	/* Scroll left */
		case 'h':
		case KEY_LEFT:
			if (hscroll <= 0)
				break;

			if (key == '0')
				hscroll = 0;
			else
				hscroll--;
			/* Reprint current page to scroll horizontally */
			back_lines(page_length);
			refresh_text_box(dialog, box, boxh, boxw,
					 cur_y, cur_x);
			break;
		case 'L':	/* Scroll right */
		case 'l':
		case KEY_RIGHT:
			if (hscroll >= MAX_LEN)
				break;
			hscroll++;
			/* Reprint current page to scroll horizontally */
			back_lines(page_length);
			refresh_text_box(dialog, box, boxh, boxw,
					 cur_y, cur_x);
			break;
		case KEY_ESC:
			key = on_key_esc(dialog);
			break;
		case KEY_RESIZE:
			back_lines(height);
			delwin(box);
			delwin(dialog);
			on_key_resize();
			goto do_resize;
		}
	}
	delwin(box);
	delwin(dialog);
	return key;		/* ESC pressed */
}
Exemple #5
0
/*
 * 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;

do_resize:
    if (getmaxy(stdscr) < (height + YESNO_HEIGTH_MIN))
        return -ERRDISPLAYTOOSMALL;
    if (getmaxx(stdscr) < (width + YESNO_WIDTH_MIN))
        return -ERRDISPLAYTOOSMALL;

    /* center dialog box on screen */
    x = (getmaxx(stdscr) - width) / 2;
    y = (getmaxy(stdscr) - height) / 2;

    draw_shadow(stdscr, y, x, height, width);

    dialog = newwin(height, width, y, x);
    keypad(dialog, TRUE);

    draw_box(dialog, 0, 0, height, width,
             dlg.dialog.atr, dlg.border.atr);
    wattrset(dialog, dlg.border.atr);
    mvwaddch(dialog, height - 3, 0, ACS_LTEE);
    for (i = 0; i < width - 2; i++)
        waddch(dialog, ACS_HLINE);
    wattrset(dialog, dlg.dialog.atr);
    waddch(dialog, ACS_RTEE);

    print_title(dialog, title, width);

    wattrset(dialog, dlg.dialog.atr);
    print_autowrap(dialog, prompt, width - 2, 1, 3);

    print_buttons(dialog, height, width, 0);

    while (key != 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_LEFT:
        case KEY_RIGHT:
            button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button);

            print_buttons(dialog, height, width, button);
            wrefresh(dialog);
            break;
        case ' ':
        case '\n':
            delwin(dialog);
            return button;
        case KEY_ESC:
            key = on_key_esc(dialog);
            break;
        case KEY_RESIZE:
            delwin(dialog);
            on_key_resize();
            goto do_resize;
        }
    }

    delwin(dialog);
    return key;		/* ESC pressed */
}