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Nama	Ukuran	Aksi
BIG.FAT.WARNING	233 B	View DL Edit
checklist.c	7.56 MB	View DL Edit
dialog.h	6.69 MB	View DL Edit
inputbox.c	6.35 MB	View DL Edit
menubox.c	10.28 MB	View DL Edit
textbox.c	8.32 MB	View DL Edit
util.c	17.23 MB	View DL Edit
yesno.c	2.21 MB	View DL Edit

Edit file: /usr/src/kernels/5.14.0-611.34.1.el9_7.x86_64/scripts/kconfig/lxdialog/checklist.c

// SPDX-License-Identifier: GPL-2.0+
/*
 *  checklist.c -- implements the checklist box
 *
 *  ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
 *     Stuart Herbert - S.Herbert@sheffield.ac.uk: radiolist extension
 *     Alessandro Rubini - rubini@ipvvis.unipv.it: merged the two
 *  MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
 */

#include "dialog.h"

static int list_width, check_x, item_x;

/*
 * Print list item
 */
static void print_item(WINDOW * win, int choice, int selected)
{
	int i;
	char *list_item = malloc(list_width + 1);

strncpy(list_item, item_str(), list_width - item_x);
	list_item[list_width - item_x] = '\0';

/* Clear 'residue' of last item */
	wattrset(win, dlg.menubox.atr);
	wmove(win, choice, 0);
	for (i = 0; i < list_width; i++)
		waddch(win, ' ');

wmove(win, choice, check_x);
	wattrset(win, selected ? dlg.check_selected.atr
		 : dlg.check.atr);
	if (!item_is_tag(':'))
		wprintw(win, "(%c)", item_is_tag('X') ? 'X' : ' ');

wattrset(win, selected ? dlg.tag_selected.atr : dlg.tag.atr);
	mvwaddch(win, choice, item_x, list_item[0]);
	wattrset(win, selected ? dlg.item_selected.atr : dlg.item.atr);
	waddstr(win, list_item + 1);
	if (selected) {
		wmove(win, choice, check_x + 1);
		wrefresh(win);
	}
	free(list_item);
}

/*
 * Print the scroll indicators.
 */
static void print_arrows(WINDOW * win, int choice, int item_no, int scroll,
	     int y, int x, int height)
{
	wmove(win, y, x);

if (scroll > 0) {
		wattrset(win, dlg.uarrow.atr);
		waddch(win, ACS_UARROW);
		waddstr(win, "(-)");
	} else {
		wattrset(win, dlg.menubox.atr);
		waddch(win, ACS_HLINE);
		waddch(win, ACS_HLINE);
		waddch(win, ACS_HLINE);
		waddch(win, ACS_HLINE);
	}

y = y + height + 1;
	wmove(win, y, x);

if ((height < item_no) && (scroll + choice < item_no - 1)) {
		wattrset(win, dlg.darrow.atr);
		waddch(win, ACS_DARROW);
		waddstr(win, "(+)");
	} else {
		wattrset(win, dlg.menubox_border.atr);
		waddch(win, ACS_HLINE);
		waddch(win, ACS_HLINE);
		waddch(win, ACS_HLINE);
		waddch(win, ACS_HLINE);
	}
}

/*
 *  Display the termination buttons
 */
static void print_buttons(WINDOW * dialog, int height, int width, int selected)
{
	int x = width / 2 - 11;
	int y = height - 2;

print_button(dialog, "Select", y, x, selected == 0);
	print_button(dialog, " Help ", y, x + 14, selected == 1);

wmove(dialog, y, x + 1 + 14 * selected);
	wrefresh(dialog);
}

/*
 * Display a dialog box with a list of options that can be turned on or off
 * in the style of radiolist (only one option turned on at a time).
 */
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;

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

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

max_choice = MIN(list_height, item_count());

/* 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);

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

/* create new window for the list */
	list = subwin(dialog, list_height, list_width, y + box_y + 1,
		      x + box_x + 1);

keypad(list, TRUE);

/* draw a box around the list items */
	draw_box(dialog, box_y, box_x, list_height + 2, list_width + 2,
		 dlg.menubox_border.atr, dlg.menubox.atr);

/* Find length of longest item in order to center checklist */
	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;
	}

/* Print the list */
	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;
					/* Scroll list down */
					if (list_height > 1) {
						/* De-highlight current first item */
						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;	/* wait for another key press */
				} else
					i = choice - 1;
			} else if (key == KEY_DOWN || key == '+') {
				if (choice == max_choice - 1) {
					if (scroll + choice >= item_count() - 1)
						continue;
					/* Scroll list up */
					if (list_height > 1) {
						/* De-highlight current last item before scrolling up */
						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;	/* wait for another key press */
				} else
					i = choice + 1;
			}
			if (i != choice) {
				/* De-highlight current item */
				item_set(scroll + choice);
				print_item(list, choice, FALSE);
				/* Highlight new item */
				choice = i;
				item_set(scroll + choice);
				print_item(list, choice, TRUE);
				wnoutrefresh(dialog);
				wrefresh(list);
			}
			continue;	/* wait for another key press */
		}
		switch (key) {
		case 'H':
		case 'h':
		case '?':
			button = 1;
			/* fall-through */
		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;
		}

/* Now, update everything... */
		doupdate();
	}
	delwin(list);
	delwin(dialog);
	return key;		/* ESC pressed */
}

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