/* * 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 *cprompt, int height, int width, int list_height, int item_no, char **items, int flag, int separate_output) { int i, j, key2, found, x, y, cur_x, cur_y, box_x, box_y; int key = 0, fkey; int button = 0; int choice = 0; int scrollamt = 0; int max_choice, *status; int use_width, name_width, text_width; int result = DLG_EXIT_UNKNOWN; WINDOW *dialog, *list; char *prompt = strclone(cprompt); const char **buttons = dlg_ok_labels(); tab_correct_str(prompt); if (list_height == 0) { use_width = calc_listw(item_no, items, CHECKBOX_TAGS) + 10; /* calculate height without items (4) */ auto_size(title, prompt, &height, &width, 4, MAX(26, use_width)); calc_listh(&height, &list_height, item_no); } else { auto_size(title, prompt, &height, &width, 4 + list_height, 26); } print_size(height, width); ctl_size(height, width); checkflag = flag; /* Allocate space for storing item on/off status */ status = malloc(sizeof(int) * item_no); assert_ptr(status, "dialog_checklist"); /* Initializes status */ for (i = 0; i < item_no; i++) status[i] = !dlg_strcmp(ItemStatus(i), "on"); max_choice = MIN(list_height, item_no); x = box_x_ordinate(width); y = box_y_ordinate(height); dialog = new_window(height, width, y, x); mouse_setbase(x, y); draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr); draw_bottom_box(dialog); draw_title(dialog, title); wattrset(dialog, dialog_attr); print_autowrap(dialog, prompt, height, width); list_width = width - 6; getyx(dialog, cur_y, cur_x); box_y = cur_y + 1; box_x = (width - list_width) / 2 - 1; /* create new window for the list */ list = sub_window(dialog, list_height, list_width, y + box_y + 1, x + box_x + 1); /* draw a box around the list items */ draw_box(dialog, box_y, box_x, list_height + 2 * MARGIN, list_width + 2 * MARGIN, menubox_border_attr, menubox_attr); text_width = 0; name_width = 0; /* Find length of longest item to center checklist */ for (i = 0; i < item_no; i++) { text_width = MAX(text_width, (int) strlen(ItemText(i))); name_width = MAX(name_width, (int) strlen(ItemName(i))); } /* If the name+text is wider than the list is allowed, then truncate * one or both of them. If the name is no wider than 1/4 of the list, * leave it intact. */ use_width = (list_width - 6); if (text_width + name_width > use_width) { int need = 0.25 * use_width; if (name_width > need) { int want = use_width * ((double) name_width) / (text_width + name_width); name_width = (want > need) ? want : need; } text_width = use_width - name_width; } check_x = (use_width - (text_width + name_width)) / 2; item_x = name_width + check_x + 6; /* Print the list */ for (i = 0; i < max_choice; i++) print_item(list, ItemData(i), status[i], i, i == choice); (void) wnoutrefresh(list); /* register the new window, along with its borders */ mouse_mkbigregion(box_y + 1, box_x, list_height, list_width + 2, KEY_MAX, 1, 1, 1 /* by lines */ ); dlg_draw_arrows(dialog, scrollamt, scrollamt + max_choice < item_no - 1, box_x + check_x + 5, box_y, box_y + list_height + 1); dlg_draw_buttons(dialog, height - 2, 0, buttons, 0, FALSE, width); wtimeout(dialog, WTIMEOUT_VAL); while (result == DLG_EXIT_UNKNOWN) { key = mouse_wgetch(dialog, &fkey); if (fkey && (key >= (M_EVENT + KEY_MAX))) { getyx(dialog, cur_y, cur_x); /* De-highlight current item */ print_item(list, ItemData(scrollamt + choice), status[scrollamt + choice], choice, FALSE); /* Highlight new item */ choice = (key - (M_EVENT + KEY_MAX)); print_item(list, ItemData(scrollamt + choice), status[scrollamt + choice], choice, TRUE); (void) wnoutrefresh(list); (void) wmove(dialog, cur_y, cur_x); key = ' '; /* force the selected item to toggle */ fkey = FALSE; } /* * A space toggles the item status. We handle either a checklist * (any number of items can be selected) or radio list (zero or one * items can be selected). */ if (key == ' ') { getyx(dialog, cur_y, cur_x); if (flag == FLAG_CHECK) { /* checklist? */ status[scrollamt + choice] = !status[scrollamt + choice]; print_item(list, ItemData(scrollamt + choice), status[scrollamt + choice], choice, TRUE); } else { /* radiolist */ if (!status[scrollamt + choice]) { for (i = 0; i < item_no; i++) status[i] = FALSE; status[scrollamt + choice] = TRUE; for (i = 0; i < max_choice; i++) print_item(list, ItemData(scrollamt + i), status[scrollamt + i], i, i == choice); } } (void) wnoutrefresh(list); (void) wmove(dialog, cur_y, cur_x); wrefresh(dialog); continue; /* wait for another key press */ } else if (key == ESC) { result = DLG_EXIT_ESC; continue; } if (!fkey) { fkey = TRUE; switch (key) { case '\n': case '\r': key = KEY_ENTER; break; case '-': key = KEY_UP; break; case '+': key = KEY_DOWN; break; case TAB: key = KEY_RIGHT; break; default: fkey = FALSE; break; } } /* * Check if key pressed matches first character of any item tag in * list. If there is more than one match, we will cycle through * each one as the same key is pressed repeatedly. */ found = FALSE; if (!fkey) { for (j = scrollamt + choice + 1; j < item_no; j++) { if (dlg_match_char(dlg_last_getc(), ItemName(j))) { found = TRUE; i = j - scrollamt; break; } } if (!found) { for (j = 0; j <= scrollamt + choice; j++) { if (dlg_match_char(dlg_last_getc(), ItemName(j))) { found = TRUE; i = j - scrollamt; break; } } } if (found) dlg_flush_getc(); } /* * A single digit (1-9) positions the selection to that line in the * current screen. */ if (!found && (key <= '9') && (key > '0') && (key - '1' < max_choice)) { found = TRUE; i = key - '1'; } if (!found) { if (fkey) { found = TRUE; switch (key) { case KEY_HOME: i = -scrollamt; break; case KEY_LL: case KEY_END: i = item_no - 1 - scrollamt; break; case M_EVENT + KEY_PPAGE: case KEY_PPAGE: if (choice) i = 0; else if (scrollamt != 0) i = -MIN(scrollamt, max_choice); else continue; break; case M_EVENT + KEY_NPAGE: case KEY_NPAGE: i = MIN(choice + max_choice, item_no - scrollamt - 1); break; case KEY_UP: i = choice - 1; if (choice == 0 && scrollamt == 0) continue; break; case KEY_DOWN: i = choice + 1; if (scrollamt + choice >= item_no - 1) continue; break; default: found = FALSE; break; } } } if (found) { if (i != choice) { getyx(dialog, cur_y, cur_x); if (i < 0 || i >= max_choice) { #if defined(NCURSES_VERSION_MAJOR) && NCURSES_VERSION_MAJOR < 5 /* * Using wscrl to assist ncurses scrolling is not needed * in version 5.x */ if (i == -1) { if (list_height > 1) { /* De-highlight current first item */ print_item(list, ItemData(scrollamt), status[scrollamt], 0, FALSE); scrollok(list, TRUE); wscrl(list, -1); scrollok(list, FALSE); } scrollamt--; print_item(list, ItemData(scrollamt), status[scrollamt], 0, TRUE); } else if (i == max_choice) { if (list_height > 1) { /* De-highlight current last item before scrolling up */ print_item(list, ItemData(scrollamt + max_choice - 1), status[scrollamt + max_choice - 1], max_choice - 1, FALSE); scrollok(list, TRUE); wscrl(list, 1); scrollok(list, FALSE); } scrollamt++; print_item(list, ItemData(scrollamt + max_choice - 1), status[scrollamt + max_choice - 1], max_choice - 1, TRUE); } else #endif { if (i < 0) { scrollamt += i; choice = 0; } else { choice = max_choice - 1; scrollamt += (i - max_choice + 1); } for (i = 0; i < max_choice; i++) { print_item(list, ItemData(scrollamt + i), status[scrollamt + i], i, i == choice); } } (void) wnoutrefresh(list); dlg_draw_arrows(dialog, scrollamt, scrollamt + choice < item_no - 1, box_x + check_x + 5, box_y, box_y + list_height + 1); } else { /* De-highlight current item */ print_item(list, ItemData(scrollamt + choice), status[scrollamt + choice], choice, FALSE); /* Highlight new item */ choice = i; print_item(list, ItemData(scrollamt + choice), status[scrollamt + choice], choice, TRUE); (void) wnoutrefresh(list); (void) wmove(dialog, cur_y, cur_x); wrefresh(dialog); } } continue; /* wait for another key press */ } if (fkey) { switch (key) { case KEY_ENTER: result = dlg_ok_buttoncode(button); break; case KEY_BTAB: case KEY_LEFT: button = dlg_prev_button(buttons, button); dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width); break; case KEY_RIGHT: button = dlg_next_button(buttons, button); dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width); break; default: if (key >= M_EVENT) { if ((key2 = dlg_ok_buttoncode(key - M_EVENT)) >= 0) { result = key2; break; } beep(); } } } else { beep(); } } del_window(dialog); switch (result) { case DLG_EXIT_OK: /* FALLTHRU */ case DLG_EXIT_EXTRA: for (i = 0; i < item_no; i++) { if (status[i]) { if (flag == FLAG_CHECK) { if (separate_output) { dlg_add_result(ItemName(i)); dlg_add_result("\n"); } else { dlg_add_result("\""); dlg_add_result(ItemName(i)); dlg_add_result("\" "); } } else { dlg_add_result(ItemName(i)); } } } break; case DLG_EXIT_HELP: dlg_add_result("HELP "); if (USE_ITEM_HELP(ItemHelp(scrollamt + choice))) { dlg_add_result(ItemHelp(scrollamt + choice)); result = DLG_EXIT_OK; /* this is inconsistent */ } else { dlg_add_result(ItemName(scrollamt + choice)); } break; } mouse_free_regions(); free(status); free(prompt); return result; }
/* * Draw the day-of-month selection box */ static int draw_day(BOX * data, struct tm *current) { int cell_wide = MON_WIDE; int y, x, this_x = 0; int save_y = 0, save_x = 0; int day = current->tm_mday; int mday; int week; int last = days_in_month(current, 0); int prev = days_in_month(current, -1); werase(data->window); dlg_draw_box2(data->parent, data->y - MARGIN, data->x - MARGIN, data->height + (2 * MARGIN), data->width + (2 * MARGIN), menubox_attr, menubox_border_attr, menubox_border2_attr); (void) wattrset(data->window, menubox_attr); /* daynames headline */ for (x = 0; x < 7; x++) { mvwprintw(data->window, 0, (x + 1) * cell_wide, "%*.*s ", cell_wide - 1, cell_wide - 1, nameOfDayOfWeek(x)); } mday = ((6 + current->tm_mday - current->tm_wday) % 7) - 7; if (mday <= -7) mday += 7; /* mday is now in the range -6 to 0. */ week = (current->tm_yday + 6 + mday - current->tm_mday) / 7; for (y = 1; mday < last; y++) { (void) wattrset(data->window, menubox_attr); /* weeknumbers headline */ mvwprintw(data->window, y, 0, "%*d ", cell_wide - 1, ++week); for (x = 0; x < 7; x++) { this_x = 1 + (x + 1) * cell_wide; ++mday; if (wmove(data->window, y, this_x) == ERR) continue; (void) wattrset(data->window, item_attr); /* not selected days */ if (mday == day) { (void) wattrset(data->window, item_selected_attr); /* selected day */ save_y = y; save_x = this_x; } if (mday > 0) { if (mday <= last) { wprintw(data->window, "%*d", cell_wide - 2, mday); } else if (mday == day) { wprintw(data->window, "%*d", cell_wide - 2, mday - last); } } else if (mday == day) { wprintw(data->window, "%*d", cell_wide - 2, mday + prev); } } wmove(data->window, save_y, save_x); } /* just draw arrows - scrollbar is unsuitable here */ dlg_draw_arrows(data->parent, TRUE, TRUE, data->x + ARROWS_COL, data->y - 1, data->y + data->height); return 0; }
/* * Draw the day-of-month selection box */ static int draw_day(BOX * data, struct tm *current) { #ifdef ENABLE_NLS char *of_week[] = { nl_langinfo(ABDAY_1), nl_langinfo(ABDAY_2), nl_langinfo(ABDAY_3), nl_langinfo(ABDAY_4), nl_langinfo(ABDAY_5), nl_langinfo(ABDAY_6), nl_langinfo(ABDAY_7) }; #else static const char *const of_week[] = { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" }; #endif int cell_wide = MON_WIDE; int y, x, this_x = 0; int save_y = 0, save_x = 0; int day = current->tm_mday; int mday; int week; int last = days_in_month(current, 0); int prev = days_in_month(current, -1); werase(data->window); draw_box(data->parent, data->y - MARGIN, data->x - MARGIN, data->height + (2 * MARGIN), data->width + (2 * MARGIN), border_attr, dialog_attr); wattrset(data->window, item_selected_attr); for (x = 0; x < 7; x++) { mvwprintw(data->window, 0, (x + 1) * cell_wide, "%*.*s ", cell_wide - 1, cell_wide - 1, of_week[x]); } wattrset(data->window, item_attr); mday = ((6 + current->tm_mday - current->tm_wday) % 7) - 7; if (mday <= -7) mday += 7; /* mday is now in the range -6 to 0. */ week = (current->tm_yday + 6 + mday - current->tm_mday) / 7; for (y = 1; mday < last; y++) { wattrset(data->window, item_selected_attr); mvwprintw(data->window, y, 0, "%*d ", cell_wide - 1, ++week); for (x = 0; x < 7; x++) { this_x = 1 + (x + 1) * cell_wide; ++mday; if (wmove(data->window, y, this_x) == ERR) continue; wattrset(data->window, item_attr); if (mday == day) { wattrset(data->window, item_selected_attr); save_y = y; save_x = this_x; } if (mday > 0) { if (mday <= last) { wprintw(data->window, "%*d", cell_wide - 2, mday); } else if (mday == day) { wprintw(data->window, "%*d", cell_wide - 2, mday - last); } } else if (mday == day) { wprintw(data->window, "%*d", cell_wide - 2, mday + prev); } wattrset(data->window, item_attr); } wmove(data->window, save_y, save_x); } dlg_draw_arrows(data->parent, TRUE, TRUE, data->x + 5, data->y - 1, data->y + data->height); return 0; }
/* * Display a menu for choosing among a number of options */ int dialog_menu(const char *title, const char *cprompt, int height, int width, int menu_height, int item_no, const char **items) { int i, j, x, y, cur_x, cur_y, box_x, box_y; int key = 0; int button = 0; int choice = dlg_default_item(items, MENUBOX_TAGS); int scrollamt = 0; int max_choice, min_width; int found; int use_width, name_width, text_width; WINDOW *dialog, *menu; char *prompt = strclone(cprompt); const char **buttons = dlg_ok_labels(); tab_correct_str(prompt); if (menu_height == 0) { min_width = calc_listw(item_no, items, MENUBOX_TAGS) + 10; /* calculate height without items (4) */ auto_size(title, prompt, &height, &width, 4, MAX(26, min_width)); calc_listh(&height, &menu_height, item_no); } else { auto_size(title, prompt, &height, &width, 4 + menu_height, 26); } print_size(height, width); ctl_size(height, width); max_choice = MIN(menu_height, item_no); x = box_x_ordinate(width); y = box_y_ordinate(height); dialog = new_window(height, width, y, x); mouse_setbase(x, y); draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr); draw_bottom_box(dialog); draw_title(dialog, title); wattrset(dialog, dialog_attr); print_autowrap(dialog, prompt, height, width); menu_width = width - 6; getyx(dialog, cur_y, cur_x); box_y = cur_y + 1; box_x = (width - menu_width) / 2 - 1; /* create new window for the menu */ menu = sub_window(dialog, menu_height, menu_width, y + box_y + 1, x + box_x + 1); /* draw a box around the menu items */ draw_box(dialog, box_y, box_x, menu_height + 2, menu_width + 2, menubox_border_attr, menubox_attr); name_width = 0; text_width = 0; /* Find length of longest item to center menu */ for (i = 0; i < item_no; i++) { name_width = MAX(name_width, (int) strlen(ItemName(i))); text_width = MAX(text_width, (int) strlen(ItemText(i))); } /* If the name+text is wider than the list is allowed, then truncate * one or both of them. If the name is no wider than 1/4 of the list, * leave it intact. */ use_width = (menu_width - 2); if (text_width + name_width > use_width) { int need = 0.25 * use_width; if (name_width > need) { int want = use_width * ((double) name_width) / (text_width + name_width); name_width = (want > need) ? want : need; } text_width = use_width - name_width; } tag_x = (use_width - text_width - name_width) / 2; item_x = name_width + tag_x + 2; if (choice - scrollamt >= max_choice) { scrollamt = choice - (max_choice - 1); choice = max_choice - 1; } /* Print the menu */ for (i = 0; i < max_choice; i++) print_item(menu, ItemData(i + scrollamt), i, i == choice); (void) wnoutrefresh(menu); /* register the new window, along with its borders */ mouse_mkbigregion(box_y, box_x, menu_height + 2, menu_width + 2, item_no, item_x, /* the threshold */ 1 /* dirty mode */ ); dlg_draw_arrows(dialog, scrollamt, scrollamt + max_choice < item_no, box_x + tag_x + 1, box_y, box_y + menu_height + 1); dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width); wtimeout(dialog, WTIMEOUT_VAL); while (key != ESC) { key = mouse_wgetch(dialog); /* Check if key pressed matches first character of any item tag in menu */ for (i = 0; i < max_choice; i++) if (toupper(key) == toupper(UCH(ItemName(scrollamt + i)[0]))) break; /* * Check if key pressed matches first character of any item tag in * list. If there is more than one match, we will cycle through * each one as the same key is pressed repeatedly. */ found = FALSE; for (j = scrollamt + choice + 1; j < item_no; j++) { if (toupper(key) == toupper(UCH(ItemName(j)[0]))) { found = TRUE; i = j - scrollamt; break; } } if (!found) { for (j = 0; j <= scrollamt + choice; j++) { if (toupper(key) == toupper(UCH(ItemName(j)[0]))) { found = TRUE; i = j - scrollamt; break; } } } /* * A single digit (1-9) positions the selection to that line in the * current screen. */ if (!found && (key <= '9') && (key > '0') && (key - '1' <= max_choice)) { found = TRUE; i = key - '1'; } if (!found) { found = TRUE; switch (key) { case KEY_HOME: i = -scrollamt; break; case KEY_LL: case KEY_END: i = item_no - 1 - scrollamt; break; case KEY_PPAGE: if (choice) i = 0; else if (scrollamt != 0) i = -MIN(scrollamt, max_choice); else continue; break; case KEY_NPAGE: i = MIN(choice + max_choice, item_no - scrollamt - 1); break; case KEY_UP: case '-': i = choice - 1; if (choice == 0 && scrollamt == 0) continue; break; case KEY_DOWN: case '+': i = choice + 1; if (scrollamt + choice >= item_no - 1) continue; break; default: found = FALSE; break; } } if (found) { if (i != choice) { getyx(dialog, cur_y, cur_x); if (i < 0 || i >= max_choice) { #if defined(NCURSES_VERSION_MAJOR) && NCURSES_VERSION_MAJOR < 5 /* * Using wscrl to assist ncurses scrolling is not needed * in version 5.x */ if (i == -1) { if (menu_height > 1) { /* De-highlight current first item */ print_item(menu, ItemData(scrollamt), 0, FALSE); scrollok(menu, TRUE); wscrl(menu, -1); scrollok(menu, FALSE); } scrollamt--; print_item(menu, ItemData(scrollamt), 0, TRUE); } else if (i == max_choice) { if (menu_height > 1) { /* De-highlight current last item before scrolling up */ print_item(menu, ItemData(scrollamt + max_choice - 1), max_choice - 1, FALSE); scrollok(menu, TRUE); wscrl(menu, 1); scrollok(menu, FALSE); } scrollamt++; print_item(menu, ItemData(scrollamt + max_choice - 1), max_choice - 1, TRUE); } else #endif { if (i < 0) { scrollamt += i; choice = 0; } else { choice = max_choice - 1; scrollamt += (i - max_choice + 1); } for (i = 0; i < max_choice; i++) { print_item(menu, ItemData(scrollamt + i), i, i == choice); } } (void) wnoutrefresh(menu); dlg_draw_arrows(dialog, scrollamt, scrollamt + choice < item_no - 1, box_x + tag_x + 1, box_y, box_y + menu_height + 1); } else { /* De-highlight current item */ print_item(menu, ItemData(scrollamt + choice), choice, FALSE); /* Highlight new item */ choice = i; print_item(menu, ItemData(scrollamt + choice), choice, TRUE); (void) wnoutrefresh(menu); (void) wmove(dialog, cur_y, cur_x); wrefresh(dialog); } } continue; /* wait for another key press */ } switch (key) { case M_EVENT + 'O': del_window(dialog); return scrollamt + choice; case M_EVENT + 'C': del_window(dialog); return -2; case M_EVENT + 'o': /* mouse enter... */ case M_EVENT + 'c': /* use the code for toggling */ button = (key == M_EVENT + 'o'); /* FALLTHRU */ case ' ': case KEY_BTAB: case TAB: case KEY_LEFT: case KEY_RIGHT: if (!dialog_vars.nocancel) button = !button; dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width); break; case '\n': del_window(dialog); return (button ? -2 : (scrollamt + choice)); } } del_window(dialog); return -1; /* ESC pressed */ }
int diskeditor_show(const char *title, const char *cprompt, struct partedit_item *items, int nitems, int *selected, int *nscroll) { WINDOW *dialog, *partitions; char *prompt; const char *buttons[] = { "Create", "Delete", "Modify", "Revert", "Auto", "Finish", NULL }; const char *help_text[] = { "Add a new partition", "Delete selected partition or partitions", "Change partition type or mountpoint", "Revert changes to disk setup", "Use guided partitioning tool", "Exit partitioner (will ask whether to save changes)", NULL }; int x, y; int i; int height, width, min_width; int partlist_height, partlist_width; int cur_scroll = 0; int key, fkey; int cur_button = 5, cur_part = 0; int result = DLG_EXIT_UNKNOWN; static DLG_KEYS_BINDING binding[] = { ENTERKEY_BINDINGS, DLG_KEYS_DATA( DLGK_ENTER, ' ' ), DLG_KEYS_DATA( DLGK_ITEM_NEXT, KEY_DOWN ), DLG_KEYS_DATA( DLGK_ITEM_PREV, KEY_UP ), DLG_KEYS_DATA( DLGK_FIELD_NEXT, KEY_RIGHT ), DLG_KEYS_DATA( DLGK_FIELD_NEXT, TAB ), DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_BTAB ), DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_LEFT ), SCROLLKEY_BINDINGS, END_KEYS_BINDING }; /* * Set up editor window. */ prompt = dlg_strclone(cprompt); min_width = 50; height = width = 0; partlist_height = 10; dlg_tab_correct_str(prompt); dlg_button_layout(buttons, &min_width); dlg_auto_size(title, prompt, &height, &width, 2, min_width); height += partlist_height; partlist_width = width - 2*MARGIN; dlg_print_size(height, width); dlg_ctl_size(height, width); x = dlg_box_x_ordinate(width); y = dlg_box_y_ordinate(height); dialog = dlg_new_window(height, width, y, x); dlg_register_window(dialog, "diskeditorbox", binding); dlg_register_buttons(dialog, "diskeditorbox", buttons); dlg_draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr); dlg_draw_bottom_box(dialog); dlg_draw_title(dialog, title); wattrset(dialog, dialog_attr); /* Partition list sub-window */ partitions = dlg_sub_window(dialog, partlist_height, partlist_width, y + 3, x + 1); dlg_register_window(partitions, "partlist", binding); dlg_register_buttons(partitions, "partlist", buttons); wattrset(partitions, menubox_attr); dlg_item_help(help_text[cur_button]); dlg_draw_buttons(dialog, height - 2*MARGIN, 0, buttons, cur_button, FALSE, width); dlg_print_autowrap(dialog, prompt, height, width); if (selected != NULL) cur_part = *selected; if (nscroll != NULL) cur_scroll = *nscroll; if (cur_part - cur_scroll >= partlist_height - 2 || cur_part - cur_scroll < 0) cur_scroll = cur_part; repaint: dlg_draw_box(dialog, 3, 1, partlist_height, partlist_width, menubox_border_attr, menubox_attr); for (i = cur_scroll; i < MIN(cur_scroll + partlist_height - 2, nitems); i++) print_partedit_item(partitions, items, i, cur_scroll, i == cur_part); if (nitems > partlist_height - 2) dlg_draw_arrows(partitions, cur_scroll > 0, nitems > cur_scroll + partlist_height - 2, partlist_width - 5, 0, partlist_height - 1); wrefresh(partitions); while (result == DLG_EXIT_UNKNOWN) { key = dlg_mouse_wgetch(dialog, &fkey); if ((i = dlg_char_to_button(key, buttons)) >= 0) { cur_button = i; dlg_item_help(help_text[cur_button]); dlg_draw_buttons(dialog, height - 2*MARGIN, 0, buttons, cur_button, FALSE, width); break; } if (!fkey) continue; switch (key) { case DLGK_FIELD_NEXT: cur_button = dlg_next_button(buttons, cur_button); if (cur_button < 0) cur_button = 0; dlg_item_help(help_text[cur_button]); dlg_draw_buttons(dialog, height - 2*MARGIN, 0, buttons, cur_button, FALSE, width); break; case DLGK_FIELD_PREV: cur_button = dlg_prev_button(buttons, cur_button); if (cur_button < 0) cur_button = 0; dlg_item_help(help_text[cur_button]); dlg_draw_buttons(dialog, height - 2*MARGIN, 0, buttons, cur_button, FALSE, width); break; case DLGK_ITEM_NEXT: if (cur_part == nitems - 1) break; /* End of list */ /* Deselect old item */ print_partedit_item(partitions, items, cur_part, cur_scroll, 0); /* Select new item */ cur_part++; if (cur_part - cur_scroll >= partlist_height - 2) { cur_scroll = cur_part; goto repaint; } print_partedit_item(partitions, items, cur_part, cur_scroll, 1); wrefresh(partitions); break; case DLGK_ITEM_PREV: if (cur_part == 0) break; /* Start of list */ /* Deselect old item */ print_partedit_item(partitions, items, cur_part, cur_scroll, 0); /* Select new item */ cur_part--; if (cur_part - cur_scroll < 0) { cur_scroll = cur_part; goto repaint; } print_partedit_item(partitions, items, cur_part, cur_scroll, 1); wrefresh(partitions); break; case DLGK_PAGE_NEXT: cur_scroll += (partlist_height - 2); if (cur_scroll + partlist_height - 2 >= nitems) cur_scroll = nitems - (partlist_height - 2); if (cur_scroll < 0) cur_scroll = 0; if (cur_part < cur_scroll) cur_part = cur_scroll; goto repaint; case DLGK_PAGE_PREV: cur_scroll -= (partlist_height - 2); if (cur_scroll < 0) cur_scroll = 0; if (cur_part >= cur_scroll + partlist_height - 2) cur_part = cur_scroll; goto repaint; case DLGK_PAGE_FIRST: cur_scroll = 0; cur_part = cur_scroll; goto repaint; case DLGK_PAGE_LAST: cur_scroll = nitems - (partlist_height - 2); if (cur_scroll < 0) cur_scroll = 0; cur_part = cur_scroll; goto repaint; case DLGK_ENTER: goto done; default: if (is_DLGK_MOUSE(key)) { cur_button = key - M_EVENT; dlg_item_help(help_text[cur_button]); dlg_draw_buttons(dialog, height - 2*MARGIN, 0, buttons, cur_button, FALSE, width); goto done; } break; } } done: if (selected != NULL) *selected = cur_part; if (nscroll != NULL) *nscroll = cur_scroll; dlg_del_window(partitions); dlg_del_window(dialog); dlg_mouse_free_regions(); return (cur_button); }
/* * Display a menu for choosing among a number of options */ int dialog_menu(const char *title, const char *cprompt, int height, int width, int menu_height, int item_no, char **items) { int i, j, x, y, cur_x, cur_y, box_x, box_y; int key = 0, fkey; int button = 0; int choice = dlg_default_item(items, MENUBOX_TAGS); int result = DLG_EXIT_UNKNOWN; int scrollamt = 0; int max_choice, min_width; int found; int use_width, name_width, text_width; WINDOW *dialog, *menu; char *prompt = strclone(cprompt); const char **buttons = dlg_ok_labels(); tab_correct_str(prompt); if (menu_height == 0) { min_width = calc_listw(item_no, items, MENUBOX_TAGS) + 10; /* calculate height without items (4) */ auto_size(title, prompt, &height, &width, 4, MAX(26, min_width)); calc_listh(&height, &menu_height, item_no); } else { auto_size(title, prompt, &height, &width, 4 + menu_height, 26); } print_size(height, width); ctl_size(height, width); /* Find out maximal number of displayable items at once. */ max_choice = MIN(menu_height, RowHeight(item_no)); if (dialog_vars.input_menu) max_choice /= INPUT_ROWS; x = box_x_ordinate(width); y = box_y_ordinate(height); dialog = new_window(height, width, y, x); mouse_setbase(x, y); draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr); draw_bottom_box(dialog); draw_title(dialog, title); wattrset(dialog, dialog_attr); print_autowrap(dialog, prompt, height, width); menu_width = width - 6; getyx(dialog, cur_y, cur_x); box_y = cur_y + 1; box_x = (width - menu_width) / 2 - 1; /* create new window for the menu */ menu = sub_window(dialog, menu_height, menu_width, y + box_y + 1, x + box_x + 1); /* draw a box around the menu items */ draw_box(dialog, box_y, box_x, menu_height + 2, menu_width + 2, menubox_border_attr, menubox_attr); name_width = 0; text_width = 0; /* Find length of longest item to center menu * * only if --menu was given, using --inputmenu * * won't be centered. */ for (i = 0; i < item_no; i++) { name_width = MAX(name_width, dlg_count_columns(ItemName(i))); text_width = MAX(text_width, dlg_count_columns(ItemText(i))); } /* If the name+text is wider than the list is allowed, then truncate * one or both of them. If the name is no wider than 1/4 of the list, * leave it intact. */ use_width = (menu_width - GUTTER); if (text_width + name_width > use_width) { int need = 0.25 * use_width; if (name_width > need) { int want = use_width * ((double) name_width) / (text_width + name_width); name_width = (want > need) ? want : need; } text_width = use_width - name_width; } tag_x = (dialog_vars.input_menu ? 0 : (use_width - text_width - name_width) / 2); item_x = name_width + tag_x + GUTTER; if (choice - scrollamt >= max_choice) { scrollamt = choice - (max_choice - 1); choice = max_choice - 1; } /* Print the menu */ for (i = 0; i < max_choice; i++) print_item(menu, ItemData(i + scrollamt), i, i == choice); (void) wnoutrefresh(menu); /* register the new window, along with its borders */ mouse_mkbigregion(box_y + 1, box_x, menu_height + 2, menu_width + 2, KEY_MAX, 1, 1, 1 /* by lines */ ); dlg_draw_arrows(dialog, scrollamt, scrollamt + max_choice < item_no, box_x + tag_x + 1, box_y, box_y + menu_height + 1); dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width); wtimeout(dialog, WTIMEOUT_VAL); while (result == DLG_EXIT_UNKNOWN) { key = mouse_wgetch(dialog, &fkey); if (!fkey) { fkey = TRUE; switch (key) { case '\n': case '\r': key = KEY_ENTER; break; case '-': key = KEY_UP; break; case '+': key = KEY_DOWN; break; case ' ': case TAB: key = KEY_RIGHT; break; case ESC: result = DLG_EXIT_ESC; continue; default: fkey = FALSE; break; } } found = FALSE; if (fkey) { /* * Allow a mouse-click on a box to switch selection to that box. * Handling a button click is a little more complicated, since we * push a KEY_ENTER back onto the input stream so we'll put the * cursor at the right place before handling the "keypress". */ if (key >= (M_EVENT + KEY_MAX)) { key -= (M_EVENT + KEY_MAX); i = RowToItem(key); found = TRUE; } else if (key >= M_EVENT && dlg_ok_buttoncode(key - M_EVENT) >= 0) { button = (key - M_EVENT); ungetch('\n'); continue; } } else { /* * Check if key pressed matches first character of any item tag in * list. If there is more than one match, we will cycle through * each one as the same key is pressed repeatedly. */ for (j = scrollamt + choice + 1; j < item_no; j++) { if (dlg_match_char(dlg_last_getc(), ItemName(j))) { found = TRUE; i = j - scrollamt; break; } } if (!found) { for (j = 0; j <= scrollamt + choice; j++) { if (dlg_match_char(dlg_last_getc(), ItemName(j))) { found = TRUE; i = j - scrollamt; break; } } } if (found) dlg_flush_getc(); /* * A single digit (1-9) positions the selection to that line in the * current screen. */ if (!found && (key <= '9') && (key > '0') && (key - '1' < max_choice)) { found = TRUE; i = key - '1'; } } if (!found && fkey) { found = TRUE; switch (key) { case KEY_HOME: i = -scrollamt; break; case KEY_LL: case KEY_END: i = item_no - 1 - scrollamt; break; case M_EVENT + KEY_PPAGE: case KEY_PPAGE: if (choice) i = 0; else if (scrollamt != 0) i = -MIN(scrollamt, max_choice); else continue; break; case M_EVENT + KEY_NPAGE: case KEY_NPAGE: i = MIN(choice + max_choice, item_no - scrollamt - 1); break; case KEY_UP: i = choice - 1; if (choice == 0 && scrollamt == 0) continue; break; case KEY_DOWN: i = choice + 1; if (scrollamt + choice >= item_no - 1) continue; break; default: found = FALSE; break; } } if (found) { if (i != choice) { getyx(dialog, cur_y, cur_x); if (i < 0 || i >= max_choice) { #if defined(NCURSES_VERSION_MAJOR) && NCURSES_VERSION_MAJOR < 5 /* * Using wscrl to assist ncurses scrolling is not needed * in version 5.x */ if (i == -1) { if (menu_height > 1) { /* De-highlight current first item */ print_item(menu, ItemData(scrollamt), 0, FALSE); scrollok(menu, TRUE); wscrl(menu, -RowHeight(1)); scrollok(menu, FALSE); } scrollamt--; print_item(menu, ItemData(scrollamt), 0, TRUE); } else if (i == max_choice) { if (menu_height > 1) { /* De-highlight current last item before scrolling up */ print_item(menu, ItemData(scrollamt + max_choice - 1), max_choice - 1, FALSE); scrollok(menu, TRUE); wscrl(menu, RowHeight(1)); scrollok(menu, FALSE); } scrollamt++; print_item(menu, ItemData(scrollamt + max_choice - 1), max_choice - 1, TRUE); } else #endif { if (i < 0) { scrollamt += i; choice = 0; } else { choice = max_choice - 1; scrollamt += (i - max_choice + 1); } for (i = 0; i < max_choice; i++) { print_item(menu, ItemData(scrollamt + i), i, i == choice); } } /* Clean bottom lines */ if (dialog_vars.input_menu) { int spare_lines, x_count; spare_lines = menu_height % INPUT_ROWS; wattrset(menu, menubox_attr); for (; spare_lines; spare_lines--) { wmove(menu, menu_height - spare_lines, 0); for (x_count = 0; x_count < menu_width; x_count++) { waddch(menu, ' '); } } } (void) wnoutrefresh(menu); dlg_draw_arrows(dialog, scrollamt, scrollamt + choice < item_no - 1, box_x + tag_x + 1, box_y, box_y + menu_height + 1); } else { /* De-highlight current item */ print_item(menu, ItemData(scrollamt + choice), choice, FALSE); /* Highlight new item */ choice = i; print_item(menu, ItemData(scrollamt + choice), choice, TRUE); (void) wnoutrefresh(menu); (void) wmove(dialog, cur_y, cur_x); wrefresh(dialog); } } continue; /* wait for another key press */ } if (fkey) { switch (key) { case KEY_BTAB: case KEY_LEFT: button = dlg_prev_button(buttons, button); dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width); break; case KEY_RIGHT: button = dlg_next_button(buttons, button); dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width); break; case KEY_ENTER: del_window(dialog); result = handle_button(dlg_ok_buttoncode(button), items, scrollamt + choice); if (dialog_vars.input_menu && result == DLG_EXIT_EXTRA) { char *tmp; tmp = input_menu_edit(menu, ItemData(scrollamt + choice), choice); dialog_vars.input_result[0] = '\0'; dlg_add_result("RENAMED "); dlg_add_result(ItemName(scrollamt + choice)); dlg_add_result(" "); dlg_add_result(tmp); free(tmp); dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width); } break; default: flash(); break; } } } mouse_free_regions(); del_window(dialog); free(prompt); return result; }