+++ /dev/null
-/*
- * 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, struct dialog_list_item ** 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] = (items[i]->selected == 1); /* ON */
- if ((!choice && status[i]) || items[i]->selected == 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);
-
- if (title != NULL && strlen(title) >= width-2 ) {
- /* truncate long title -- mec */
- char * title2 = malloc(width-2+1);
- memcpy( title2, title, width-2 );
- title2[width-2] = '\0';
- title = title2;
- }
-
- if (title != NULL) {
- wattrset (dialog, title_attr);
- mvwaddch (dialog, 0, (width - strlen(title))/2 - 1, ' ');
- waddstr (dialog, (char *)title);
- waddch (dialog, ' ');
- }
-
- 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]->name) + 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]->name,
- 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]->name[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]->name,
- status[scroll], 0, FALSE);
- scrollok (list, TRUE);
- wscrl (list, -1);
- scrollok (list, FALSE);
- }
- scroll--;
- print_item (list, items[scroll]->name,
- 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]->name,
- status[scroll + max_choice - 1],
- max_choice - 1, FALSE);
- scrollok (list, TRUE);
- scroll (list);
- scrollok (list, FALSE);
- }
- scroll++;
- print_item (list, items[scroll + max_choice - 1]->name,
- 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]->name,
- status[scroll + choice], choice, FALSE);
- /* Highlight new item */
- choice = i;
- print_item (list, items[scroll + choice]->name,
- status[scroll + choice], choice, TRUE);
- wnoutrefresh (list);
- wrefresh (dialog);
- }
- continue; /* wait for another key press */
- }
- switch (key) {
- case 'H':
- case 'h':
- case '?':
- for (i = 0; i < item_no; i++)
- items[i]->selected = 0;
- items[scroll + choice]->selected = 1;
- 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]->name,
- status[scroll + i], i, i == choice);
- }
- }
- wnoutrefresh (list);
- wrefresh (dialog);
-
- for (i = 0; i < item_no; i++) {
- items[i]->selected = status[i];
- }
- } else {
- for (i = 0; i < item_no; i++)
- items[i]->selected = 0;
- items[scroll + choice]->selected = 1;
- }
- 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 */
-}
projects / project / luci.git / blobdiff