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- #include "dialog.h"
- static int list_width, check_x, item_x;
- 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';
-
- 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);
- }
- 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);
- }
- }
- static void print_buttons(WINDOW * dialog, int height, int width, int selected)
- {
- int x = width / 2 - 11;
- int y = height - 2;
- print_button(dialog, gettext("Select"), y, x, selected == 0);
- print_button(dialog, gettext(" Help "), y, x + 14, selected == 1);
- wmove(dialog, y, x + 1 + 14 * selected);
- wrefresh(dialog);
- }
- 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 + CHECKLIST_HEIGTH_MIN))
- return -ERRDISPLAYTOOSMALL;
- if (getmaxx(stdscr) < (width + CHECKLIST_WIDTH_MIN))
- return -ERRDISPLAYTOOSMALL;
- max_choice = MIN(list_height, item_count());
-
- 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;
-
- 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;
- }
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