kconfig: move lxdialog to scripts/kconfig/lxdialog

The only lxdialog user i kconfig - for menuconfig.
So move it to reflect this.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

1 files changed, 353 insertions, 0 deletions

diff --git a/scripts/kconfig/lxdialog/checklist.c b/scripts/kconfig/lxdialog/checklist.c
new file mode 100644
index 000000000000..3fb681fb9632
--- /dev/null
+++ b/scripts/kconfig/lxdialog/checklist.c
@@ -0,0 +1,353 @@
+/*
+ *  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)
+ *
+ *  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"
+
+static int list_width, check_x, item_x, checkflag;
+
+/*
+ * Print list item
+ */
+static void print_item(WINDOW * win, const char *item, int status, int choice,
+		       int selected)
+{
+	int i;
+
+	/* Clear 'residue' of last item */
+	wattrset(win, menubox_attr);
+	wmove(win, choice, 0);
+	for (i = 0; i < list_width; i++)
+		waddch(win, ' ');
+
+	wmove(win, choice, check_x);
+	wattrset(win, selected ? check_selected_attr : check_attr);
+	if (checkflag == FLAG_CHECK)
+		wprintw(win, "[%c]", status ? 'X' : ' ');
+	else
+		wprintw(win, "(%c)", status ? 'X' : ' ');
+
+	wattrset(win, selected ? tag_selected_attr : tag_attr);
+	mvwaddch(win, choice, item_x, item[0]);
+	wattrset(win, selected ? item_selected_attr : item_attr);
+	waddstr(win, (char *)item + 1);
+	if (selected) {
+		wmove(win, choice, check_x + 1);
+		wrefresh(win);
+	}
+}
+
+/*
+ * 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, uarrow_attr);
+		waddch(win, ACS_UARROW);
+		waddstr(win, "(-)");
+	} else {
+		wattrset(win, menubox_attr);
+		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, darrow_attr);
+		waddch(win, ACS_DARROW);
+		waddstr(win, "(+)");
+	} else {
+		wattrset(win, menubox_border_attr);
+		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
+ * The `flag' parameter is used to select between radiolist and checklist.
+ */
+int dialog_checklist(const char *title, const char *prompt, int height,
+		     int width, int list_height, int item_no,
+		     const char *const *items, int flag)
+{
+	int i, x, y, box_x, box_y;
+	int key = 0, button = 0, choice = 0, scroll = 0, max_choice, *status;
+	WINDOW *dialog, *list;
+
+	checkflag = flag;
+
+	/* Allocate space for storing item on/off status */
+	if ((status = malloc(sizeof(int) * item_no)) == NULL) {
+		endwin();
+		fprintf(stderr,
+			"\nCan't allocate memory in dialog_checklist().\n");
+		exit(-1);
+	}
+
+	/* Initializes status */
+	for (i = 0; i < item_no; i++) {
+		status[i] = !strcasecmp(items[i * 3 + 2], "on");
+		if ((!choice && status[i])
+		    || !strcasecmp(items[i * 3 + 2], "selected"))
+			choice = i + 1;
+	}
+	if (choice)
+		choice--;
+
+	max_choice = MIN(list_height, item_no);
+
+	/* 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, dialog_attr, border_attr);
+	wattrset(dialog, border_attr);
+	mvwaddch(dialog, height - 3, 0, ACS_LTEE);
+	for (i = 0; i < width - 2; i++)
+		waddch(dialog, ACS_HLINE);
+	wattrset(dialog, dialog_attr);
+	waddch(dialog, ACS_RTEE);
+
+	print_title(dialog, title, width);
+
+	wattrset(dialog, dialog_attr);
+	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,
+	         menubox_border_attr, menubox_attr);
+
+	/* Find length of longest item in order to center checklist */
+	check_x = 0;
+	for (i = 0; i < item_no; i++)
+		check_x = MAX(check_x, +strlen(items[i * 3 + 1]) + 4);
+
+	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++) {
+		print_item(list, items[(scroll + i) * 3 + 1],
+			   status[i + scroll], i, i == choice);
+	}
+
+	print_arrows(dialog, choice, item_no, scroll,
+		     box_y, box_x + check_x + 5, list_height);
+
+	print_buttons(dialog, height, width, 0);
+
+	wnoutrefresh(list);
+	wnoutrefresh(dialog);
+	doupdate();
+
+	while (key != ESC) {
+		key = wgetch(dialog);
+
+		for (i = 0; i < max_choice; i++)
+			if (toupper(key) ==
+			    toupper(items[(scroll + i) * 3 + 1][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 */
+						print_item(list, items[scroll * 3 + 1],
+							   status[scroll], 0, FALSE);
+						scrollok(list, TRUE);
+						wscrl(list, -1);
+						scrollok(list, FALSE);
+					}
+					scroll--;
+					print_item(list, items[scroll * 3 + 1], status[scroll], 0, TRUE);
+					wnoutrefresh(list);
+
+					print_arrows(dialog, choice, item_no,
+						     scroll, box_y, box_x + check_x + 5, list_height);
+
+					wrefresh(dialog);
+
+					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_no - 1)
+						continue;
+					/* Scroll list up */
+					if (list_height > 1) {
+						/* De-highlight current last item before scrolling up */
+						print_item(list, items[(scroll + max_choice - 1) * 3 + 1],
+							   status[scroll + max_choice - 1],
+							   max_choice - 1, FALSE);
+						scrollok(list, TRUE);
+						wscrl(list, 1);
+						scrollok(list, FALSE);
+					}
+					scroll++;
+					print_item(list, items[(scroll + max_choice - 1) * 3 + 1],
+						   status[scroll + max_choice - 1], max_choice - 1, TRUE);
+					wnoutrefresh(list);
+
+					print_arrows(dialog, choice, item_no,
+						     scroll, box_y, box_x + check_x + 5, list_height);
+
+					wrefresh(dialog);
+
+					continue;	/* wait for another key press */
+				} else
+					i = choice + 1;
+			}
+			if (i != choice) {
+				/* De-highlight current item */
+				print_item(list, items[(scroll + choice) * 3 + 1],
+					   status[scroll + choice], choice, FALSE);
+				/* Highlight new item */
+				choice = i;
+				print_item(list, items[(scroll + choice) * 3 + 1],
+					   status[scroll + choice], choice, TRUE);
+				wnoutrefresh(list);
+				wrefresh(dialog);
+			}
+			continue;	/* wait for another key press */
+		}
+		switch (key) {
+		case 'H':
+		case 'h':
+		case '?':
+			fprintf(stderr, "%s", items[(scroll + choice) * 3]);
+			delwin(dialog);
+			free(status);
+			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 'S':
+		case 's':
+		case ' ':
+		case '\n':
+			if (!button) {
+				if (flag == FLAG_CHECK) {
+					status[scroll + choice] = !status[scroll + choice];
+					wmove(list, choice, check_x);
+					wattrset(list, check_selected_attr);
+					wprintw(list, "[%c]", status[scroll + choice] ? 'X' : ' ');
+				} else {
+					if (!status[scroll + choice]) {
+						for (i = 0; i < item_no; i++)
+							status[i] = 0;
+						status[scroll + choice] = 1;
+						for (i = 0; i < max_choice; i++)
+							print_item(list, items[(scroll + i) * 3 + 1],
+								   status[scroll + i], i, i == choice);
+					}
+				}
+				wnoutrefresh(list);
+				wrefresh(dialog);
+
+				for (i = 0; i < item_no; i++) {
+					if (status[i]) {
+						if (flag == FLAG_CHECK) {
+							fprintf(stderr, "\"%s\" ", items[i * 3]);
+						} else {
+							fprintf(stderr, "%s", items[i * 3]);
+						}
+
+					}
+				}
+			} else
+				fprintf(stderr, "%s", items[(scroll + choice) * 3]);
+			delwin(dialog);
+			free(status);
+			return button;
+		case 'X':
+		case 'x':
+			key = ESC;
+		case ESC:
+			break;
+		}
+
+		/* Now, update everything... */
+		doupdate();
+	}
+
+	delwin(dialog);
+	free(status);
+	return -1;		/* ESC pressed */
+}