diff options
Diffstat (limited to 'scripts/lxdialog/checklist.c')
| -rw-r--r-- | scripts/lxdialog/checklist.c | 656 |
1 files changed, 344 insertions, 312 deletions
diff --git a/scripts/lxdialog/checklist.c b/scripts/lxdialog/checklist.c index 7aba17c72e6..1857c5378ce 100644 --- a/scripts/lxdialog/checklist.c +++ b/scripts/lxdialog/checklist.c @@ -29,87 +29,83 @@ 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) +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); - } + 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) +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); - } + 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) +static void print_buttons(WINDOW * dialog, int height, int width, int selected) { - int x = width / 2 - 11; - int y = height - 2; + 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); + 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); + wmove(dialog, y, x + 1 + 14 * selected); + wrefresh(dialog); } /* @@ -117,257 +113,293 @@ print_buttons( WINDOW *dialog, int height, int width, int selected) * 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) - +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); - - 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 * 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 */ + 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); } - 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; + /* 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); + + 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 * 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); } - /* Now, update everything... */ - doupdate (); - } - + 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 */ + delwin(dialog); + free(status); + return -1; /* ESC pressed */ } |