/* * Display a message box. Program will pause and display an "OK" button * if the parameter 'pause' is non-zero. */ int dialog_msgbox (const char *title, const char *prompt, int height, int width, int pause) { int i, x, y, key = 0; WINDOW *dialog; /* 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); 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, 2); if (pause) { 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_button (dialog, " Ok ", height - 2, width / 2 - 4, TRUE); wrefresh (dialog); while (key != ESC && key != '\n' && key != ' ' && key != 'O' && key != 'o' && key != 'X' && key != 'x') key = wgetch (dialog); } else { key = '\n'; wrefresh (dialog); sleep(3); } delwin (dialog); return key == ESC ? -1 : 0; }
/* * Display a dialog box for inputing a string */ int dialog_inputbox(const char *title, const char *prompt, int height, int width, const char *init) { WINDOW *dialog; unsigned char *instr = dialog_input_result; int i, x, y, box_y, box_x, box_width; int input_x = 0, scroll = 0, key = 0, button = -1; /* 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) { 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); /* Draw the input field box */ box_width = width - 6; getyx(dialog, y, x); box_y = y + 2; box_x = (width - box_width) / 2; draw_box(dialog, y + 1, box_x - 1, 3, box_width + 2, border_attr, dialog_attr); print_buttons(dialog, height, width, 0); /* Set up the initial value */ wmove(dialog, box_y, box_x); wattrset(dialog, inputbox_attr); if (!init) instr[0] = '\0'; else strcpy(instr, init); input_x = strlen(instr); if (input_x >= box_width) { scroll = input_x - box_width + 1; input_x = box_width - 1; for (i = 0; i < box_width - 1; i++) waddch(dialog, instr[scroll + i]); } else waddstr(dialog, instr); wmove(dialog, box_y, box_x + input_x); wrefresh(dialog); while (key != ESC) { key = wgetch(dialog); if (button == -1) { /* Input box selected */ switch (key) { case TAB: case KEY_UP: case KEY_DOWN: break; case KEY_LEFT: continue; case KEY_RIGHT: continue; case KEY_BACKSPACE: case 127: if (input_x || scroll) { wattrset(dialog, inputbox_attr); if (!input_x) { scroll = scroll < box_width - 1 ? 0 : scroll - (box_width - 1); wmove(dialog, box_y, box_x); for (i = 0; i < box_width; i++) waddch(dialog, instr[scroll + input_x + i] ? instr[scroll + input_x + i] : ' '); input_x = strlen(instr) - scroll; } else input_x--; instr[scroll + input_x] = '\0'; mvwaddch(dialog, box_y, input_x + box_x, ' '); wmove(dialog, box_y, input_x + box_x); wrefresh(dialog); } continue; default: if (key < 0x100 && isprint(key)) { if (scroll + input_x < MAX_LEN) { wattrset(dialog, inputbox_attr); instr[scroll + input_x] = key; instr[scroll + input_x + 1] = '\0'; if (input_x == box_width - 1) { scroll++; wmove(dialog, box_y, box_x); for (i = 0; i < box_width - 1; i++) waddch(dialog, instr[scroll + i]); } else { wmove(dialog, box_y, input_x++ + box_x); waddch(dialog, key); } wrefresh(dialog); } else flash(); /* Alarm user about overflow */ continue; } } } switch (key) { case 'O': case 'o': delwin(dialog); return 0; case 'H': case 'h': delwin(dialog); return 1; case KEY_UP: case KEY_LEFT: switch (button) { case -1: button = 1; /* Indicates "Cancel" button is selected */ print_buttons(dialog, height, width, 1); break; case 0: button = -1; /* Indicates input box is selected */ print_buttons(dialog, height, width, 0); wmove(dialog, box_y, box_x + input_x); wrefresh(dialog); break; case 1: button = 0; /* Indicates "OK" button is selected */ print_buttons(dialog, height, width, 0); break; } break; case TAB: case KEY_DOWN: case KEY_RIGHT: switch (button) { case -1: button = 0; /* Indicates "OK" button is selected */ print_buttons(dialog, height, width, 0); break; case 0: button = 1; /* Indicates "Cancel" button is selected */ print_buttons(dialog, height, width, 1); break; case 1: button = -1; /* Indicates input box is selected */ print_buttons(dialog, height, width, 0); wmove(dialog, box_y, box_x + input_x); wrefresh(dialog); break; } break; case ' ': case '\n': delwin(dialog); return (button == -1 ? 0 : button); case 'X': case 'x': key = ESC; case ESC: break; } } delwin(dialog); return -1; /* ESC pressed */ }
/* * Display a dialog box for entering a date */ int dialog_calendar(const char *title, const char *subtitle, int height, int width, int day, int month, int year) { BOX dy_box, mn_box, yr_box; int fkey; int key = 0; int key2; int step; int button = 0; int result = DLG_EXIT_UNKNOWN; WINDOW *dialog; time_t now_time = time((time_t *) 0); struct tm current; STATES state = 0; const char **buttons = dlg_ok_labels(); char *prompt = strclone(subtitle); dlg_does_output(); now_time = time((time_t *) 0); current = *localtime(&now_time); if (day < 0) day = current.tm_mday; if (month < 0) month = current.tm_mon + 1; if (year < 0) year = current.tm_year + 1900; /* compute a struct tm that matches the day/month/year parameters */ if (((year -= 1900) > 0) && (year < 200)) { /* ugly, but I'd like to run this on older machines w/o mktime -TD */ for (;;) { if (year > current.tm_year) { now_time += ONE_DAY * days_in_year(¤t, 0); } else if (year < current.tm_year) { now_time -= ONE_DAY * days_in_year(¤t, -1); } else if (month > current.tm_mon + 1) { now_time += ONE_DAY * days_in_month(¤t, 0); } else if (month < current.tm_mon + 1) { now_time -= ONE_DAY * days_in_month(¤t, -1); } else if (day > current.tm_mday) { now_time += ONE_DAY; } else if (day < current.tm_mday) { now_time -= ONE_DAY; } else { break; } current = *localtime(&now_time); } } auto_size(title, prompt, &height, &width, 0, 0); height += MIN_HIGH; if (width < MIN_WIDE) width = MIN_WIDE; print_size(height, width); ctl_size(height, width); /* FIXME: how to make this resizable? */ dialog = new_window(height, width, box_y_ordinate(height), box_x_ordinate(width)); 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); /* compute positions of day, month and year boxes */ memset(&dy_box, 0, sizeof(dy_box)); memset(&mn_box, 0, sizeof(mn_box)); memset(&yr_box, 0, sizeof(yr_box)); if (init_object(&dy_box, dialog, (width - DAY_WIDE) / 2, (height - (DAY_HIGH + BTN_HIGH + (4 * MARGIN))), DAY_WIDE, DAY_HIGH + (2 * MARGIN), draw_day, 'D') < 0 || DrawObject(&dy_box) < 0) return DLG_EXIT_ERROR; if (init_object(&mn_box, dialog, dy_box.x, dy_box.y - (HDR_HIGH + 2 * MARGIN), (DAY_WIDE / 2) - MARGIN, HDR_HIGH, draw_month, 'M') < 0 || DrawObject(&mn_box) < 0) return DLG_EXIT_ERROR; if (init_object(&yr_box, dialog, dy_box.x + mn_box.width + 2, mn_box.y, mn_box.width, mn_box.height, draw_year, 'Y') < 0 || DrawObject(&yr_box) < 0) return DLG_EXIT_ERROR; while (result == DLG_EXIT_UNKNOWN) { BOX *obj = (state == sDAY ? &dy_box : (state == sMONTH ? &mn_box : (state == sYEAR ? &yr_box : 0))); button = (state < 0) ? 0 : state; dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width); if (obj != 0) dlg_set_focus(dialog, obj->window); key = mouse_wgetch(dialog, &fkey); if ((key2 = dlg_char_to_button(key, buttons)) >= 0) { result = key2; } else { /* handle non-functionkeys */ if (!fkey) { fkey = TRUE; switch (key) { case ' ': case '\n': case '\r': key = KEY_ENTER; break; case TAB: key = KEY_RIGHT; break; case CHR_PREVIOUS: case CHR_NEXT: case CHR_BACKSPACE: case 'h': case 'j': case 'k': case 'l': /* treat these as function-keys */ break; case ESC: result = DLG_EXIT_ESC; fkey = FALSE; break; default: fkey = FALSE; break; } } /* handle functionkeys */ if (fkey) { switch (key) { case M_EVENT + 'D': state = sDAY; break; case M_EVENT + 'M': state = sMONTH; break; case M_EVENT + 'Y': state = sYEAR; break; case KEY_ENTER: result = dlg_ok_buttoncode(button); break; case KEY_LEFT: case KEY_BTAB: state = dlg_prev_ok_buttonindex(state, sMONTH); break; case KEY_RIGHT: state = dlg_next_ok_buttonindex(state, sMONTH); break; default: step = 0; key2 = -1; if (key >= M_EVENT) { if ((key2 = dlg_ok_buttoncode(key - M_EVENT)) >= 0) { result = key2; break; } else if (key >= (M_EVENT + KEY_MAX)) { state = sDAY; obj = &dy_box; key2 = 1; step = (key - (M_EVENT + KEY_MAX) - day_cell_number(¤t)); } } if (obj != 0) { if (key2 < 0) step = next_or_previous(key, (obj == &dy_box)); if (step != 0) { struct tm old = current; /* see comment regarding mktime -TD */ if (obj == &dy_box) { now_time += ONE_DAY * step; } else if (obj == &mn_box) { if (step > 0) now_time += ONE_DAY * days_in_month(¤t, 0); else now_time -= ONE_DAY * days_in_month(¤t, -1); } else if (obj == &yr_box) { if (step > 0) now_time += (ONE_DAY * days_in_year(¤t, 0)); else now_time -= (ONE_DAY * days_in_year(¤t, -1)); } current = *localtime(&now_time); if (obj != &dy_box && (current.tm_mday != old.tm_mday || current.tm_mon != old.tm_mon || current.tm_year != old.tm_year)) DrawObject(&dy_box); if (obj != &mn_box && current.tm_mon != old.tm_mon) DrawObject(&mn_box); if (obj != &yr_box && current.tm_year != old.tm_year) DrawObject(&yr_box); (void) DrawObject(obj); } } break; } } } } del_window(dialog); sprintf(dialog_vars.input_result, "%02d/%02d/%0d\n", current.tm_mday, current.tm_mon + 1, current.tm_year + 1900); mouse_free_regions(); free(prompt); return result; }
/* * Display a dialog box with two buttons - Yes and No */ int dialog_yesno(const char *title, const char *prompt, int height, int width) { int i, x, y, key = 0, button = 0; WINDOW *dialog; /* 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); print_buttons(dialog, height, width, 0); while (key != ESC) { key = wgetch(dialog); switch (key) { case 'Y': case 'y': delwin(dialog); return 0; case 'N': case 'n': delwin(dialog); 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 ' ': case '\n': delwin(dialog); return button; case ESC: break; } } delwin(dialog); return -1; /* ESC pressed */ }
/* * Display a dialog box with two buttons - Yes and No */ int dialog_yesno(const char *title, const char *prompt, int height, int width) { int i, x, y, key = 0, button = 0; WINDOW *dialog; do_resize: if (getmaxy(stdscr) < (height + YESNO_HEIGTH_MIN)) return -ERRDISPLAYTOOSMALL; if (getmaxx(stdscr) < (width + YESNO_WIDTH_MIN)) return -ERRDISPLAYTOOSMALL; /* center dialog box on screen */ 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); print_buttons(dialog, height, width, 0); while (key != KEY_ESC) { key = wgetch(dialog); switch (key) { case 'Y': case 'y': delwin(dialog); return 0; case 'N': case 'n': delwin(dialog); 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 ' ': case '\n': delwin(dialog); return button; case KEY_ESC: key = on_key_esc(dialog); break; case KEY_RESIZE: delwin(dialog); on_key_resize(); goto do_resize; } } delwin(dialog); return key; /* ESC pressed */ }
/* * 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 */ }
/* * Display a dialog box for entering a date */ int dialog_timebox(const char *title, const char *subtitle, int height, int width, int hour, int minute, int second) { BOX hr_box, mn_box, sc_box; int key = 0, key2, button = sOK; int result = -2; WINDOW *dialog; time_t now_time = time((time_t *) 0); struct tm current; STATES state = sOK; const char **buttons = dlg_ok_labels(); char *prompt = strclone(subtitle); now_time = time((time_t *) 0); current = *localtime(&now_time); auto_size(title, prompt, &height, &width, 0, 0); height += MIN_HIGH; if (width < MIN_WIDE) width = MIN_WIDE; dlg_button_layout(buttons, &width); print_size(height, width); ctl_size(height, width); /* FIXME: how to make this resizable? */ dialog = new_window(height, width, box_y_ordinate(height), box_x_ordinate(width)); 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); /* compute positions of hour, month and year boxes */ memset(&hr_box, 0, sizeof(hr_box)); memset(&mn_box, 0, sizeof(mn_box)); memset(&sc_box, 0, sizeof(sc_box)); if (init_object(&hr_box, dialog, (width - MIN_WIDE + 1) / 2 + MARGIN, (height - MIN_HIGH + MARGIN), ONE_WIDE, ONE_HIGH, 24, hour >= 0 ? hour : current.tm_hour, 'H') < 0 || DrawObject(&hr_box) < 0) return -1; mvwprintw(dialog, hr_box.y, hr_box.x + ONE_WIDE + MARGIN, ":"); if (init_object(&mn_box, dialog, hr_box.x + (ONE_WIDE + 2 * MARGIN + 1), hr_box.y, hr_box.width, hr_box.height, 60, minute >= 0 ? minute : current.tm_min, 'M') < 0 || DrawObject(&mn_box) < 0) return -1; mvwprintw(dialog, mn_box.y, mn_box.x + ONE_WIDE + MARGIN, ":"); if (init_object(&sc_box, dialog, mn_box.x + (ONE_WIDE + 2 * MARGIN + 1), mn_box.y, mn_box.width, mn_box.height, 60, second >= 0 ? second : current.tm_sec, 'S') < 0 || DrawObject(&sc_box) < 0) return -1; while (result == -2) { BOX *obj = (state == sHR ? &hr_box : (state == sMN ? &mn_box : (state == sSC ? &sc_box : 0))); button = (state == sCANCEL) ? 1 : 0; dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width); if (obj != 0) dlg_set_focus(dialog, obj->window); key = mouse_wgetch(dialog); if ((key2 = dlg_char_to_button(key, buttons)) >= 0) { result = key2; } else { switch (key) { case M_EVENT + 0: result = DLG_EXIT_OK; break; case M_EVENT + 1: result = DLG_EXIT_CANCEL; break; case M_EVENT + 'H': state = sHR; break; case M_EVENT + 'M': state = sMN; break; case M_EVENT + 'S': state = sSC; break; case ESC: result = -1; break; case ' ': case '\n': result = button; break; case KEY_BTAB: state = prev_object(state); break; case TAB: state = next_object(state); break; default: if (obj != 0) { int step = next_or_previous(key); if (step != 0) { obj->value += step; while (obj->value < 0) obj->value += obj->period; obj->value %= obj->period; (void) DrawObject(obj); } } break; } } } del_window(dialog); sprintf(dialog_vars.input_result, "%02d:%02d:%02d\n", hr_box.value, mn_box.value, sc_box.value); mouse_free_regions(); return result; }
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 + 6)) return -ERRDISPLAYTOOSMALL; if (getmaxx(stdscr) < (width + 6)) return -ERRDISPLAYTOOSMALL; max_choice = MIN(list_height, item_count()); /* */ 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, 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; /* */ }
/* * Display a dialog box with a list of options that can be turned on or off */ int dialog_checklist(char *title, char *prompt, int height, int width, int list_height, int item_no, char **items) { int i, x, y, cur_x, cur_y, box_x, box_y, key = 0, button = 0, choice = 0, scrolli = 0, max_choice, *status; WINDOW *dialog, *list; /* 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"); max_choice = MIN(list_height, item_no); /* center dialog box on screen */ x = (COLS - width)/2; y = (LINES - height)/2; #ifdef HAVE_NCURSES if (use_shadow) draw_shadow(stdscr, y, x, height, width); #endif dialog = newwin(height, width, y, x); keypad(dialog, TRUE); draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr); wattrset(dialog, border_attr); wmove(dialog, height-3, 0); waddch(dialog, ACS_LTEE); for (i = 0; i < width-2; i++) waddch(dialog, ACS_HLINE); wattrset(dialog, dialog_attr); waddch(dialog, ACS_RTEE); wmove(dialog, height-2, 1); for (i = 0; i < width-2; i++) waddch(dialog, ' '); if (title != NULL) { wattrset(dialog, title_attr); wmove(dialog, 0, (width - strlen(title))/2 - 1); waddch(dialog, ' '); waddstr(dialog, title); waddch(dialog, ' '); } wattrset(dialog, dialog_attr); print_autowrap(dialog, prompt, width, 1, 3); 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 = 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); check_x = 0; item_x = 0; /* Find length of longest item in order to center checklist */ for (i = 0; i < item_no; i++) { check_x = MAX(check_x, strlen(items[i*3]) + strlen(items[i*3 + 1]) + 6); item_x = MAX(item_x, strlen(items[i*3])); } check_x = (list_width - check_x) / 2; item_x = check_x + item_x + 6; /* Print the list */ for (i = 0; i < max_choice; i++) print_item(list, items[i*3], items[i*3 + 1], status[i], i, i == choice); wnoutrefresh(list); if (list_height < item_no) { wattrset(dialog, darrow_attr); wmove(dialog, box_y + list_height + 1, box_x + check_x + 5); waddch(dialog, ACS_DARROW); wmove(dialog, box_y + list_height + 1, box_x + check_x + 6); waddstr(dialog, "(+)"); } x = width/2-11; y = height-2; print_button(dialog, "Cancel", y, x+14, FALSE); print_button(dialog, " OK ", y, x, TRUE); wrefresh(dialog); while (key != ESC) { key = wgetch(dialog); /* Check if key pressed matches first character of any item tag in list */ for (i = 0; i < max_choice; i++) if (toupper(key) == toupper(items[(scrolli+i)*3][0])) break; if (i < max_choice || (key >= '1' && key <= MIN('9', '0'+max_choice)) || key == KEY_UP || key == KEY_DOWN || key == ' ' || key == '+' || key == '-' ) { if (key >= '1' && key <= MIN('9', '0'+max_choice)) i = key - '1'; else if (key == KEY_UP || key == '-') { if (!choice) { if (scrolli) { #ifdef BROKEN_WSCRL /* wscrl() in ncurses 1.8.1 seems to be broken, causing a segmentation violation when scrolling windows of height = 4, so scrolling is not used for now */ scrolli--; getyx(dialog, cur_y, cur_x); /* Save cursor position */ /* Reprint list to scroll down */ for (i = 0; i < max_choice; i++) print_item(list, items[(scrolli+i)*3], items[(scrolli+i)*3 + 1], status[scrolli+i], i, i == choice); #else /* Scroll list down */ getyx(dialog, cur_y, cur_x); /* Save cursor position */ if (list_height > 1) { /* De-highlight current first item before scrolling down */ print_item(list, items[scrolli*3], items[scrolli*3 + 1], status[scrolli], 0, FALSE); scrollok(list, TRUE); wscrl(list, -1); scrollok(list, FALSE); } scrolli--; print_item(list, items[scrolli*3], items[scrolli*3 + 1], status[scrolli], 0, TRUE); #endif wnoutrefresh(list); /* print the up/down arrows */ wmove(dialog, box_y, box_x + check_x + 5); wattrset(dialog, scrolli ? uarrow_attr : menubox_attr); waddch(dialog, scrolli ? ACS_UARROW : ACS_HLINE); wmove(dialog, box_y, box_x + check_x + 6); waddch(dialog, scrolli ? '(' : ACS_HLINE); wmove(dialog, box_y, box_x + check_x + 7); waddch(dialog, scrolli ? '-' : ACS_HLINE); wmove(dialog, box_y, box_x + check_x + 8); waddch(dialog, scrolli ? ')' : ACS_HLINE); wattrset(dialog, darrow_attr); wmove(dialog, box_y + list_height + 1, box_x + check_x + 5); waddch(dialog, ACS_DARROW); wmove(dialog, box_y + list_height + 1, box_x + check_x + 6); waddch(dialog, '('); wmove(dialog, box_y + list_height + 1, box_x + check_x + 7); waddch(dialog, '+'); wmove(dialog, box_y + list_height + 1, box_x + check_x + 8); waddch(dialog, ')'); wmove(dialog, cur_y, cur_x); /* Restore cursor position */ wrefresh(dialog); } continue; /* wait for another key press */ } else i = choice - 1; } else if (key == KEY_DOWN || key == '+') { if (choice == max_choice - 1) { if (scrolli+choice < item_no-1) { #ifdef BROKEN_WSCRL /* wscrl() in ncurses 1.8.1 seems to be broken, causing a segmentation violation when scrolling windows of height = 4, so scrolling is not used for now */ scrolli++; getyx(dialog, cur_y, cur_x); /* Save cursor position */ /* Reprint list to scroll up */ for (i = 0; i < max_choice; i++) print_item(list, items[(scrolli+i)*3], items[(scrolli+i)*3 + 1], status[scrolli+i], i, i == choice); #else /* Scroll list up */ getyx(dialog, cur_y, cur_x); /* Save cursor position */ if (list_height > 1) { /* De-highlight current last item before scrolling up */ print_item(list, items[(scrolli+max_choice-1)*3], items[(scrolli+max_choice-1)*3 + 1], status[scrolli+max_choice-1], max_choice-1, FALSE); scrollok(list, TRUE); scroll(list); scrollok(list, FALSE); } scrolli++; print_item(list, items[(scrolli+max_choice-1)*3], items[(scrolli+max_choice-1)*3 + 1], status[scrolli+max_choice-1], max_choice-1, TRUE); #endif wnoutrefresh(list); /* print the up/down arrows */ wattrset(dialog, uarrow_attr); wmove(dialog, box_y, box_x + check_x + 5); waddch(dialog, ACS_UARROW); wmove(dialog, box_y, box_x + check_x + 6); waddstr(dialog, "(-)"); wmove(dialog, box_y + list_height + 1, box_x + check_x + 5); wattrset(dialog, scrolli+choice < item_no-1 ? darrow_attr : menubox_border_attr); waddch(dialog, scrolli+choice < item_no-1 ? ACS_DARROW : ACS_HLINE); wmove(dialog, box_y + list_height + 1, box_x + check_x + 6); waddch(dialog, scrolli+choice < item_no-1 ? '(' : ACS_HLINE); wmove(dialog, box_y + list_height + 1, box_x + check_x + 7); waddch(dialog, scrolli+choice < item_no-1 ? '+' : ACS_HLINE); wmove(dialog, box_y + list_height + 1, box_x + check_x + 8); waddch(dialog, scrolli+choice < item_no-1 ? ')' : ACS_HLINE); wmove(dialog, cur_y, cur_x); /* Restore cursor position */ wrefresh(dialog); } continue; /* wait for another key press */ } else i = choice + 1; } else if (key == ' ') { /* Toggle item status */ status[scrolli+choice] = !status[scrolli+choice]; getyx(dialog, cur_y, cur_x); /* Save cursor position */ wmove(list, choice, check_x); wattrset(list, check_selected_attr); wprintw(list, "[%c]", status[scrolli+choice] ? 'X' : ' '); wnoutrefresh(list); wmove(dialog, cur_y, cur_x); /* Restore cursor to previous position */ wrefresh(dialog); continue; /* wait for another key press */ } if (i != choice) { /* De-highlight current item */ getyx(dialog, cur_y, cur_x); /* Save cursor position */ print_item(list, items[(scrolli+choice)*3], items[(scrolli+choice)*3 + 1], status[scrolli+choice], choice, FALSE); /* Highlight new item */ choice = i; print_item(list, items[(scrolli+choice)*3], items[(scrolli+choice)*3 + 1], status[scrolli+choice], choice, TRUE); wnoutrefresh(list); wmove(dialog, cur_y, cur_x); /* Restore cursor to previous position */ wrefresh(dialog); } continue; /* wait for another key press */ } switch (key) { case 'O': case 'o': delwin(dialog); for (i = 0; i < item_no; i++) if (status[i]) { if (separate_output) { fprintf(stderr, "%s\n", items[i*3]); } else { fprintf(stderr, "\"%s\" ", items[i*3]); } } free(status); return 0; case 'C': case 'c': delwin(dialog); free(status); return 1; case TAB: case KEY_LEFT: case KEY_RIGHT: if (!button) { button = 1; /* Indicates "Cancel" button is selected */ print_button(dialog, " OK ", y, x, FALSE); print_button(dialog, "Cancel", y, x+14, TRUE); } else { button = 0; /* Indicates "OK" button is selected */ print_button(dialog, "Cancel", y, x+14, FALSE); print_button(dialog, " OK ", y, x, TRUE); } wrefresh(dialog); break; case ' ': case '\n': delwin(dialog); if (!button) for (i = 0; i < item_no; i++) if (status[i]) { if (separate_output) { fprintf(stderr, "%s\n", items[i*3]); } else { fprintf(stderr, "\"%s\" ", items[i*3]); } } free(status); return button; case ESC: break; } } delwin(dialog); free(status); return -1; /* ESC pressed */ }
/* * Display a message box. Program will pause and display an "OK" button * if the parameter 'pause' is non-zero. */ int dialog_prgbox(unsigned char *title, const unsigned char *line, int height, int width, int pause, int use_shell) { int i, x, y, key = 0; WINDOW *dialog; FILE *f; const unsigned char *name; unsigned char *s, buf[MAX_LEN]; int status; if (height < 0 || width < 0) { endwin(); fprintf(stderr, "\nAutosizing is impossible in dialog_prgbox().\n"); exit(-1); } width = MAX(width,10); if (width > COLS) width = COLS; if (height > LINES) height = LINES; /* center dialog box on screen */ x = DialogX ? DialogX : (COLS - width)/2; y = DialogY ? DialogY : (LINES - height)/2; #ifdef HAVE_NCURSES if (use_shadow) draw_shadow(stdscr, y, x, height, width); #endif dialog = newwin(height, width, y, x); if (dialog == NULL) { endwin(); fprintf(stderr, "\nnewwin(%d,%d,%d,%d) failed, maybe wrong dims\n", height,width,y,x); exit(1); } keypad(dialog, TRUE); draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr); if (title != NULL) { wattrset(dialog, title_attr); wmove(dialog, 0, (width - strlen(title))/2 - 1); waddch(dialog, ' '); waddstr(dialog, title); waddch(dialog, ' '); } wattrset(dialog, dialog_attr); wmove(dialog, 1, 2); if (!use_shell) { char cmdline[MAX_LEN]; char *av[51], **ap = av, *val, *p; strcpy(cmdline, line); p = cmdline; while ((val = strsep(&p," \t")) != NULL) { if (*val != '\0') *ap++ = val; } *ap = NULL; f = raw_popen(name = av[0], av, "r"); } else f = raw_popen(name = line, NULL, "r"); status = -1; if (f == NULL) { err: sprintf(buf, "%s: %s\n", name, strerror(errno)); prr: print_autowrap(dialog, buf, height-(pause?3:1), width-2, width, 1, 2, FALSE, TRUE); wrefresh(dialog); } else { while (fgets(buf, sizeof(buf), f) != NULL) { i = strlen(buf); if (buf[i-1] == '\n') buf[i-1] = '\0'; s = buf; while ((s = strchr(s, '\t')) != NULL) *s++ = ' '; print_autowrap(dialog, buf, height-(pause?3:1), width-2, width, 1, 2, FALSE, TRUE); print_autowrap(dialog, "\n", height-(pause?3:1), width-2, width, 1, 2, FALSE, FALSE); wrefresh(dialog); } if ((status = raw_pclose(f)) == -1) goto err; if (WIFEXITED(status) && WEXITSTATUS(status) == 127) { sprintf(buf, "%s: program not found\n", name); goto prr; } } if (pause) { wattrset(dialog, border_attr); wmove(dialog, height-3, 0); waddch(dialog, ACS_LTEE); for (i = 0; i < width-2; i++) waddch(dialog, ACS_HLINE); wattrset(dialog, dialog_attr); waddch(dialog, ACS_RTEE); wmove(dialog, height-2, 1); for (i = 0; i < width-2; i++) waddch(dialog, ' '); display_helpline(dialog, height-1, width); print_button(dialog, " OK ", height-2, width/2-6, TRUE); wrefresh(dialog); while (key != ESC && key != '\n' && key != ' ' && key != '\r') key = wgetch(dialog); if (key == '\r') key = '\n'; } else { key = '\n'; wrefresh(dialog); } delwin(dialog); return (status); }
/* * Display a menu for choosing among a number of options */ int dialog_menu (const char *title, const char *prompt, int height, int width, int menu_height, const char *current, int item_no, const char * const * items) { int i, j, x, y, box_x, box_y; int key = 0, button = 0, scroll = 0, choice = 0, first_item = 0, max_choice; WINDOW *dialog, *menu; FILE *f; max_choice = MIN (menu_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); wbkgdset (dialog, dialog_attr & A_COLOR); 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); menu_width = width - 6; box_y = height - menu_height - 5; box_x = (width - menu_width) / 2 - 1; /* create new window for the menu */ menu = subwin (dialog, menu_height, menu_width, y + box_y + 1, x + box_x + 1); keypad (menu, TRUE); /* 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); /* * Find length of longest item in order to center menu. * Set 'choice' to default item. */ item_x = 0; for (i = 0; i < item_no; i++) { item_x = MAX (item_x, MIN(menu_width, strlen (items[i * 2 + 1]) + 2)); if (strcmp(current, items[i*2]) == 0) choice = i; } item_x = (menu_width - item_x) / 2; /* get the scroll info from the temp file */ if ( (f=fopen("lxdialog.scrltmp","r")) != NULL ) { if ( (fscanf(f,"%d\n",&scroll) == 1) && (scroll <= choice) && (scroll+max_choice > choice) && (scroll >= 0) && (scroll+max_choice <= item_no) ) { first_item = scroll; choice = choice - scroll; fclose(f); } else { scroll=0; remove("lxdialog.scrltmp"); fclose(f); f=NULL; } } if ( (choice >= max_choice) || (f==NULL && choice >= max_choice/2) ) { if (choice >= item_no-max_choice/2) scroll = first_item = item_no-max_choice; else scroll = first_item = choice - max_choice/2; choice = choice - scroll; } /* Print the menu */ for (i=0; i < max_choice; i++) { print_item (menu, items[(first_item + i) * 2 + 1], i, i == choice, (items[(first_item + i)*2][0] != ':')); } wnoutrefresh (menu); print_arrows(dialog, item_no, scroll, box_y, box_x+item_x+1, menu_height); print_buttons (dialog, height, width, 0); while (key != ESC) { key = wgetch(dialog); if (key < 256 && isalpha(key)) key = tolower(key); if (strchr("ynm", key)) i = max_choice; else { for (i = choice+1; i < max_choice; i++) { j = first_alpha(items[(scroll+i)*2+1], "YyNnMm"); if (key == tolower(items[(scroll+i)*2+1][j])) break; } if (i == max_choice) for (i = 0; i < max_choice; i++) { j = first_alpha(items[(scroll+i)*2+1], "YyNnMm"); if (key == tolower(items[(scroll+i)*2+1][j])) break; } } if (i < max_choice || key == KEY_UP || key == KEY_DOWN || key == '-' || key == '+' || key == KEY_PPAGE || key == KEY_NPAGE) { print_item (menu, items[(scroll+choice)*2+1], choice, FALSE, (items[(scroll+choice)*2][0] != ':')); if (key == KEY_UP || key == '-') { if (choice < 2 && scroll) { /* Scroll menu down */ scrollok (menu, TRUE); wscrl (menu, -1); scrollok (menu, FALSE); scroll--; print_item (menu, items[scroll * 2 + 1], 0, FALSE, (items[scroll*2][0] != ':')); } else choice = MAX(choice - 1, 0); } else if (key == KEY_DOWN || key == '+') { print_item (menu, items[(scroll+choice)*2+1], choice, FALSE, (items[(scroll+choice)*2][0] != ':')); if ((choice > max_choice-3) && (scroll + max_choice < item_no) ) { /* Scroll menu up */ scrollok (menu, TRUE); scroll (menu); scrollok (menu, FALSE); scroll++; print_item (menu, items[(scroll+max_choice-1)*2+1], max_choice-1, FALSE, (items[(scroll+max_choice-1)*2][0] != ':')); } else choice = MIN(choice+1, max_choice-1); } else if (key == KEY_PPAGE) { scrollok (menu, TRUE); for (i=0; (i < max_choice); i++) { if (scroll > 0) { wscrl (menu, -1); scroll--; print_item (menu, items[scroll * 2 + 1], 0, FALSE, (items[scroll*2][0] != ':')); } else { if (choice > 0) choice--; } } scrollok (menu, FALSE); } else if (key == KEY_NPAGE) { for (i=0; (i < max_choice); i++) { if (scroll+max_choice < item_no) { scrollok (menu, TRUE); scroll(menu); scrollok (menu, FALSE); scroll++; print_item (menu, items[(scroll+max_choice-1)*2+1], max_choice-1, FALSE, (items[(scroll+max_choice-1)*2][0] != ':')); } else { if (choice+1 < max_choice) choice++; } } } else choice = i; print_item (menu, items[(scroll+choice)*2+1], choice, TRUE, (items[(scroll+choice)*2][0] != ':')); print_arrows(dialog, item_no, scroll, box_y, box_x+item_x+1, menu_height); wnoutrefresh (menu); wrefresh (dialog); continue; /* wait for another key press */ } switch (key) { case KEY_LEFT: case TAB: case KEY_RIGHT: button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 2 : (button > 2 ? 0 : button); print_buttons(dialog, height, width, button); wrefresh (dialog); break; case ' ': case 's': case 'y': case 'n': case 'm': /* save scroll info */ if ( (f=fopen("lxdialog.scrltmp","w")) != NULL ) { fprintf(f,"%d\n",scroll); fclose(f); } delwin (dialog); fprintf(stderr, "%s\n", items[(scroll + choice) * 2]); switch (key) { case 's': return 3; case 'y': return 3; case 'n': return 4; case 'm': return 5; case ' ': return 6; } return 0; case 'h': case '?': button = 2; case '\n': delwin (dialog); if (button == 2) fprintf(stderr, "%s \"%s\"\n", items[(scroll + choice) * 2], items[(scroll + choice) * 2 + 1] + first_alpha(items[(scroll + choice) * 2 + 1],"")); else fprintf(stderr, "%s\n", items[(scroll + choice) * 2]); remove("lxdialog.scrltmp"); return button; case 'e': case 'x': key = ESC; case ESC: break; } } delwin (dialog); remove("lxdialog.scrltmp"); return -1; /* ESC pressed */ }
/* * 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]) choice = i; } 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); scroll (list); 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 '?': delwin (dialog); free (status); return 1; 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]); } } } } 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 */ }
/* * Display a gauge, or progress meter. Starts at percent% and reads stdin. If * stdin is not XXX, then it is interpreted as a percentage, and the display is * updated accordingly. Otherwise the next line is the percentage, and * subsequent lines up to another XXX are used for the new prompt. Note that * the size of the window never changes, so the prompt can not get any larger * than the height and width specified. */ int dialog_gauge(const char *title, const char *prompt, int height, int width, int percent) { int i, x, y; char buf[MY_LEN]; char prompt_buf[MY_LEN]; WINDOW *dialog; auto_size(title, prompt, &height, &width, MIN_HIGH, MIN_WIDE); print_size(height, width); ctl_size(height, width); /* center dialog box on screen */ x = box_x_ordinate(width); y = box_y_ordinate(height); dialog = new_window(height, width, y, x); curs_set(0); do { (void) werase(dialog); draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr); draw_title(dialog, title); wattrset(dialog, dialog_attr); print_autowrap(dialog, prompt, height, width - (2 * MARGIN)); draw_box(dialog, height - 4, 2 + MARGIN, 2 + MARGIN, width - 2 * (2 + MARGIN), dialog_attr, border_attr); (void) wmove(dialog, height - 3, 4); wattrset(dialog, title_attr); for (i = 0; i < (width - 2 * (3 + MARGIN)); i++) (void) waddch(dialog, ' '); wattrset(dialog, title_attr); (void) wmove(dialog, height - 3, (width / 2) - 2); (void) wprintw(dialog, "%3d%%", percent); x = (percent * (width - 2 * (3 + MARGIN))) / 100; wattrset(dialog, A_REVERSE); (void) wmove(dialog, height - 3, 4); for (i = 0; i < x; i++) (void) waddch(dialog, winch(dialog)); (void) wrefresh(dialog); if (read_data(buf, pipe_fp) == 0) break; if (isMarker(buf)) { /* * Historically, next line should be percentage, but one of the * worse-written clones of 'dialog' assumes the number is missing. * (Gresham's Law applied to software). */ if (read_data(buf, pipe_fp) == 0) break; prompt_buf[0] = '\0'; if (decode_percent(buf)) percent = atoi(buf); else strcpy(prompt_buf, buf); /* Rest is message text */ while (read_data(buf, pipe_fp) != 0 && !isMarker(buf)) { if (strlen(prompt_buf) + strlen(buf) < sizeof(prompt_buf) - 1) { strcat(prompt_buf, buf); } } prompt = prompt_buf; } else if (decode_percent(buf)) { percent = atoi(buf); } } while (1); curs_set(1); del_window(dialog); return (DLG_EXIT_OK); }
/* * 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; }
/* * Display a dialog box with two buttons - Yes and No */ int dialog_yesno (const char *title, const char *prompt, int height, int width) { int i, x, y, key = 0, button = 0; WINDOW *dialog; /* 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); print_buttons(dialog, height, width, 0); while (key != ESC) { key = wgetch (dialog); switch (key) { case 'Y': case 'y': delwin (dialog); return 0; case 'N': case 'n': delwin (dialog); 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 ' ': case '\n': delwin (dialog); return button; case ESC: break; } } delwin (dialog); return -1; /* ESC pressed */ }
/* * Display a dialog box with a list of options that can be turned on or off */ int dialog_checklist(unsigned char *title, unsigned char *prompt, int height, int width, int list_height, int cnt, void *it, unsigned char *result) { int i, j, x, y, cur_x, cur_y, old_x, old_y, box_x, box_y, key = 0, button, choice, l, k, scroll, max_choice, item_no = 0, *status; int redraw_menu = FALSE, cursor_reset = FALSE; int rval = 0, onlist = 1, ok_space, cancel_space; char okButton, cancelButton; WINDOW *dialog, *list; unsigned char **items = NULL; dialogMenuItem *ditems; int list_width, check_x, item_x; /* Allocate space for storing item on/off status */ if ((status = alloca(sizeof(int) * abs(cnt))) == NULL) { endwin(); fprintf(stderr, "\nCan't allocate memory in dialog_checklist().\n"); exit(-1); } draw: choice = scroll = button = 0; /* Previous calling syntax, e.g. just a list of strings? */ if (cnt >= 0) { items = it; ditems = NULL; item_no = cnt; /* Initializes status */ for (i = 0; i < item_no; i++) status[i] = !strcasecmp(items[i*3 + 2], "on"); } /* It's the new specification format - fake the rest of the code out */ else { item_no = abs(cnt); ditems = it; if (!items) items = (unsigned char **)alloca((item_no * 3) * sizeof(unsigned char *)); /* Initializes status */ for (i = 0; i < item_no; i++) { status[i] = ditems[i].checked ? ditems[i].checked(&ditems[i]) : FALSE; items[i*3] = ditems[i].prompt; items[i*3 + 1] = ditems[i].title; items[i*3 + 2] = status[i] ? "on" : "off"; } } max_choice = MIN(list_height, item_no); check_x = 0; item_x = 0; /* Find length of longest item in order to center checklist */ for (i = 0; i < item_no; i++) { l = strlen(items[i*3]); for (j = 0; j < item_no; j++) { k = strlen(items[j*3 + 1]); check_x = MAX(check_x, l + k + 6); } item_x = MAX(item_x, l); } if (height < 0) height = strheight(prompt)+list_height+4+2; if (width < 0) { i = strwidth(prompt); j = ((title != NULL) ? strwidth(title) : 0); width = MAX(i,j); width = MAX(width,check_x+4)+4; } width = MAX(width,24); if (width > COLS) width = COLS; if (height > LINES) height = LINES; /* center dialog box on screen */ x = (COLS - width)/2; y = (LINES - height)/2; #ifdef HAVE_NCURSES if (use_shadow) draw_shadow(stdscr, y, x, height, width); #endif dialog = newwin(height, width, y, x); if (dialog == NULL) { endwin(); fprintf(stderr, "\nnewwin(%d,%d,%d,%d) failed, maybe wrong dims\n", height,width, y, x); return -1; } keypad(dialog, TRUE); draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr); wattrset(dialog, border_attr); wmove(dialog, height-3, 0); waddch(dialog, ACS_LTEE); for (i = 0; i < width-2; i++) waddch(dialog, ACS_HLINE); wattrset(dialog, dialog_attr); waddch(dialog, ACS_RTEE); wmove(dialog, height-2, 1); for (i = 0; i < width-2; i++) waddch(dialog, ' '); if (title != NULL) { wattrset(dialog, title_attr); wmove(dialog, 0, (width - strlen(title))/2 - 1); waddch(dialog, ' '); waddstr(dialog, title); waddch(dialog, ' '); } wattrset(dialog, dialog_attr); wmove(dialog, 1, 2); print_autowrap(dialog, prompt, height - 1, width - 2, width, 1, 2, TRUE, FALSE); 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 = subwin(dialog, list_height, list_width, y + box_y + 1, x + box_x + 1); if (list == NULL) { delwin(dialog); endwin(); fprintf(stderr, "\nsubwin(dialog,%d,%d,%d,%d) failed, maybe wrong dims\n", list_height, list_width, y + box_y + 1, x + box_x + 1); return -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); check_x = (list_width - check_x) / 2; item_x = check_x + item_x + 6; /* Print the list */ for (i = 0; i < max_choice; i++) print_item(list, items[i * 3], items[i * 3 + 1], status[i], i, i == choice, DREF(ditems, i), list_width, item_x, check_x); wnoutrefresh(list); print_arrows(dialog, scroll, list_height, item_no, box_x, box_y, check_x + 4, cur_x, cur_y); display_helpline(dialog, height - 1, width); x = width / 2 - 11; y = height - 2; /* Is this a fancy new style argument string where we get to override * the buttons, or an old style one where they're fixed? */ if (ditems && result) { cancelButton = toupper(ditems[CANCEL_BUTTON].prompt[0]); print_button(dialog, ditems[CANCEL_BUTTON].prompt, y, x + strlen(ditems[OK_BUTTON].prompt) + 5, ditems[CANCEL_BUTTON].checked ? ditems[CANCEL_BUTTON].checked(&ditems[CANCEL_BUTTON]) : FALSE); okButton = toupper(ditems[OK_BUTTON].prompt[0]); print_button(dialog, ditems[OK_BUTTON].prompt, y, x, ditems[OK_BUTTON].checked ? ditems[OK_BUTTON].checked(&ditems[OK_BUTTON]) : TRUE); } else { cancelButton = 'C'; print_button(dialog, "Cancel", y, x + 14, FALSE); okButton = 'O'; print_button(dialog, " OK ", y, x, TRUE); } wnoutrefresh(dialog); wmove(list, choice, check_x+1); wrefresh(list); /* * XXX Black magic voodoo that allows printing to the checklist * window. For some reason, if this "refresh" code is not in * place, printing to the window from the selected callback * prints "behind" the checklist window. There is probably a * better way to do this. */ draw_box(dialog, box_y, box_x, list_height + 2, list_width + 2, menubox_border_attr, menubox_attr); for (i = 0; i < max_choice; i++) print_item(list, items[i * 3], items[i * 3 + 1], status[i], i, i == choice, DREF(ditems, i), list_width, item_x, check_x); print_arrows(dialog, scroll, list_height, item_no, box_x, box_y, check_x + 4, cur_x, cur_y); wmove(list, choice, check_x+1); wnoutrefresh(dialog); wrefresh(list); /* XXX Black magic XXX */ while (key != ESC) { key = wgetch(dialog); /* Shortcut to OK? */ if (toupper(key) == okButton) { if (ditems) { if (result && ditems[OK_BUTTON].fire) { int st; WINDOW *save; save = dupwin(newscr); st = ditems[OK_BUTTON].fire(&ditems[OK_BUTTON]); if (st & DITEM_RESTORE) { touchwin(save); wrefresh(save); } delwin(save); } } else if (result) { *result = '\0'; for (i = 0; i < item_no; i++) { if (status[i]) { strcat(result, items[i*3]); strcat(result, "\n"); } } } rval = 0; key = ESC; /* Lemme out! */ break; } /* Shortcut to cancel? */ if (toupper(key) == cancelButton) { if (ditems && result && ditems[CANCEL_BUTTON].fire) { int st; WINDOW *save; save = dupwin(newscr); st = ditems[CANCEL_BUTTON].fire(&ditems[CANCEL_BUTTON]); if (st & DITEM_RESTORE) { touchwin(save); wrefresh(save); wmove(dialog, cur_y, cur_x); } delwin(save); } rval = 1; key = ESC; /* I gotta go! */ break; } /* Check if key pressed matches first character of any item tag in list */ for (i = 0; i < max_choice; i++) if (key != ' ' && key < 0x100 && toupper(key) == toupper(items[(scroll+i)*3][0])) break; if (i < max_choice || (key >= '1' && key <= MIN('9', '0'+max_choice)) || KEY_IS_UP(key) || KEY_IS_DOWN(key) || ((key == ' ' || key == '\n' || key == '\r') && onlist)) { /* if moving from buttons to the list, reset and redraw buttons */ if (!onlist) { onlist = 1; button = 0; if (ditems && result) { print_button(dialog, ditems[CANCEL_BUTTON].prompt, y, x + strlen(ditems[OK_BUTTON].prompt) + 5, ditems[CANCEL_BUTTON].checked ? ditems[CANCEL_BUTTON].checked(&ditems[CANCEL_BUTTON]) : button); print_button(dialog, ditems[OK_BUTTON].prompt, y, x, ditems[OK_BUTTON].checked ? ditems[OK_BUTTON].checked(&ditems[OK_BUTTON]) : !button); } else { print_button(dialog, "Cancel", y, x + 14, button); print_button(dialog, " OK ", y, x, !button); } wmove(list, choice, check_x+1); wnoutrefresh(dialog); wrefresh(list); } if (key >= '1' && key <= MIN('9', '0'+max_choice)) i = key - '1'; else if (KEY_IS_UP(key)) { if (!choice) { if (scroll) { /* Scroll list down */ getyx(dialog, cur_y, cur_x); /* Save cursor position */ if (list_height > 1) { /* De-highlight current first item before scrolling down */ print_item(list, items[scroll * 3], items[scroll * 3 + 1], status[scroll], 0, FALSE, DREF(ditems, scroll), list_width, item_x, check_x); scrollok(list, TRUE); wscrl(list, -1); scrollok(list, FALSE); } scroll--; print_item(list, items[scroll*3], items[scroll*3 + 1], status[scroll], 0, TRUE, DREF(ditems, scroll), list_width, item_x, check_x); print_arrows(dialog, scroll, list_height, item_no, box_x, box_y, check_x + 4, cur_x, cur_y); wmove(list, choice, check_x+1); wnoutrefresh(dialog); wrefresh(list); } continue; /* wait for another key press */ } else i = choice - 1; } else if (KEY_IS_DOWN(key)) { if (choice == max_choice - 1) { if (scroll + choice < item_no - 1) { /* Scroll list up */ getyx(dialog, cur_y, cur_x); /* Save cursor position */ if (list_height > 1) { /* De-highlight current last item before scrolling up */ print_item(list, items[(scroll + max_choice - 1) * 3], items[(scroll + max_choice - 1) * 3 + 1], status[scroll + max_choice - 1], max_choice - 1, FALSE, DREF(ditems, scroll + max_choice - 1), list_width, item_x, check_x); scrollok(list, TRUE); scroll(list); scrollok(list, FALSE); } scroll++; print_item(list, items[(scroll + max_choice - 1) * 3], items[(scroll + max_choice - 1) * 3 + 1], status[scroll + max_choice - 1], max_choice - 1, TRUE, DREF(ditems, scroll + max_choice - 1), list_width, item_x, check_x); print_arrows(dialog, scroll, list_height, item_no, box_x, box_y, check_x + 4, cur_x, cur_y); wmove(list, choice, check_x+1); wnoutrefresh(dialog); wrefresh(list); } continue; /* wait for another key press */ } else i = choice + 1; } else if ((key == ' ' || key == '\n' || key == '\r') && onlist) { /* Toggle item status */ char lbra = 0, rbra = 0, mark = 0; getyx(list, old_y, old_x); /* Save cursor position */ if (ditems) { if (ditems[scroll + choice].fire) { int st; WINDOW *save; save = dupwin(newscr); st = ditems[scroll + choice].fire(&ditems[scroll + choice]); /* Call "fire" action */ if (st & DITEM_RESTORE) { touchwin(save); wrefresh(save); } delwin(save); if (st & DITEM_REDRAW) { wclear(list); for (i = 0; i < item_no; i++) status[i] = ditems[i].checked ? ditems[i].checked(&ditems[i]) : FALSE; for (i = 0; i < max_choice; i++) { print_item(list, items[(scroll + i) * 3], items[(scroll + i) * 3 + 1], status[scroll + i], i, i == choice, DREF(ditems, scroll + i), list_width, item_x, check_x); } wnoutrefresh(list); print_arrows(dialog, scroll, list_height, item_no, box_x, box_y, check_x + 4, cur_x, cur_y); wrefresh(dialog); } if (st & DITEM_LEAVE_MENU) { /* Allow a fire action to take us out of the menu */ key = ESC; rval = 0; break; } else if (st & DITEM_RECREATE) { delwin(list); delwin(dialog); dialog_clear(); goto draw; } } status[scroll + choice] = ditems[scroll + choice].checked ? ditems[scroll + choice].checked(&ditems[scroll + choice]) : FALSE; lbra = ditems[scroll + choice].lbra; rbra = ditems[scroll + choice].rbra; mark = ditems[scroll + choice].mark; } else status[scroll + choice] = !status[scroll + choice]; wmove(list, choice, check_x); wattrset(list, check_selected_attr); if (!lbra) lbra = '['; if (!rbra) rbra = ']'; if (!mark) mark = 'X'; wprintw(list, "%c%c%c", lbra, status[scroll + choice] ? mark : ' ', rbra); wmove(list, old_y, old_x); /* Restore cursor to previous position */ wrefresh(list); continue; /* wait for another key press */ } if (i != choice) { /* De-highlight current item */ getyx(dialog, cur_y, cur_x); /* Save cursor position */ print_item(list, items[(scroll + choice) * 3], items[(scroll + choice) * 3 + 1], status[scroll + choice], choice, FALSE, DREF(ditems, scroll + choice), list_width, item_x, check_x); /* Highlight new item */ choice = i; print_item(list, items[(scroll + choice) * 3], items[(scroll + choice) * 3 + 1], status[scroll + choice], choice, TRUE, DREF(ditems, scroll + choice), list_width, item_x, check_x); wmove(list, choice, check_x+1); /* Restore cursor to previous position */ wrefresh(list); } continue; /* wait for another key press */ } switch (key) { case KEY_PPAGE: /* can we go up? */ if (scroll > height - 4) scroll -= (height-4); else scroll = 0; redraw_menu = TRUE; if (!onlist) { onlist = 1; button = 0; } break; case KEY_NPAGE: /* can we go down a full page? */ if (scroll + list_height >= item_no-1 - list_height) { scroll = item_no - list_height; if (scroll < 0) scroll = 0; } else scroll += list_height; redraw_menu = TRUE; if (!onlist) { onlist = 1; button = 0; } break; case KEY_HOME: /* go to the top */ scroll = 0; choice = 0; redraw_menu = TRUE; cursor_reset = TRUE; onlist = 1; break; case KEY_END: /* Go to the bottom */ scroll = item_no - list_height; if (scroll < 0) scroll = 0; choice = max_choice - 1; redraw_menu = TRUE; cursor_reset = TRUE; onlist = 1; break; case TAB: case KEY_BTAB: /* move to next component */ if (onlist) { /* on list, next is ok button */ onlist = 0; if (ditems && result) { print_button(dialog, ditems[CANCEL_BUTTON].prompt, y, x + strlen(ditems[OK_BUTTON].prompt) + 5, ditems[CANCEL_BUTTON].checked ? ditems[CANCEL_BUTTON].checked(&ditems[CANCEL_BUTTON]) : button); print_button(dialog, ditems[OK_BUTTON].prompt, y, x, ditems[OK_BUTTON].checked ? ditems[OK_BUTTON].checked(&ditems[OK_BUTTON]) : !button); ok_space = 1; cancel_space = strlen(ditems[OK_BUTTON].prompt) + 6; } else { print_button(dialog, "Cancel", y, x + 14, button); print_button(dialog, " OK ", y, x, !button); ok_space = 3; cancel_space = 15; } if (button) wmove(dialog, y, x + cancel_space); else wmove(dialog, y, x + ok_space); wrefresh(dialog); break; } else if (button) { /* on cancel button, next is list */ button = 0; onlist = 1; redraw_menu = TRUE; break; } /* on ok button, next is cancel button, same as left/right case */ case KEY_LEFT: case KEY_RIGHT: onlist = 0; button = !button; if (ditems && result) { print_button(dialog, ditems[CANCEL_BUTTON].prompt, y, x + strlen(ditems[OK_BUTTON].prompt) + 5, ditems[CANCEL_BUTTON].checked ? ditems[CANCEL_BUTTON].checked(&ditems[CANCEL_BUTTON]) : button); print_button(dialog, ditems[OK_BUTTON].prompt, y, x, ditems[OK_BUTTON].checked ? ditems[OK_BUTTON].checked(&ditems[OK_BUTTON]) : !button); ok_space = 1; cancel_space = strlen(ditems[OK_BUTTON].prompt) + 6; } else { print_button(dialog, "Cancel", y, x + 14, button); print_button(dialog, " OK ", y, x, !button); ok_space = 3; cancel_space = 15; } if (button) wmove(dialog, y, x + cancel_space); else wmove(dialog, y, x + ok_space); wrefresh(dialog); break; case ' ': case '\n': case '\r': if (!onlist) { if (ditems) { if (result && ditems[button ? CANCEL_BUTTON : OK_BUTTON].fire) { int st; WINDOW *save = dupwin(newscr); st = ditems[button ? CANCEL_BUTTON : OK_BUTTON].fire(&ditems[button ? CANCEL_BUTTON : OK_BUTTON]); if (st & DITEM_RESTORE) { touchwin(save); wrefresh(save); } delwin(save); if (st == DITEM_FAILURE) continue; } } else if (result) { *result = '\0'; for (i = 0; i < item_no; i++) { if (status[i]) { strcat(result, items[i*3]); strcat(result, "\n"); } } } rval = button; key = ESC; /* Bail out! */ break; } /* Let me outta here! */ case ESC: rval = -1; break; /* Help! */ case KEY_F(1): case '?': display_helpfile(); break; } if (redraw_menu) { getyx(list, old_y, old_x); wclear(list); /* * Re-draw a box around the list items. It is required * if amount of list items is smaller than height of listbox. * Otherwise un-redrawn field will be filled with default * screen attributes instead of dialog attributes. */ draw_box(dialog, box_y, box_x, list_height + 2, list_width + 2, menubox_border_attr, menubox_attr); for (i = 0; i < max_choice; i++) print_item(list, items[(scroll + i) * 3], items[(scroll + i) * 3 + 1], status[scroll + i], i, i == choice, DREF(ditems, scroll + i), list_width, item_x, check_x); print_arrows(dialog, scroll, list_height, item_no, box_x, box_y, check_x + 4, cur_x, cur_y); /* redraw buttons to fix highlighting */ if (ditems && result) { print_button(dialog, ditems[CANCEL_BUTTON].prompt, y, x + strlen(ditems[OK_BUTTON].prompt) + 5, ditems[CANCEL_BUTTON].checked ? ditems[CANCEL_BUTTON].checked(&ditems[CANCEL_BUTTON]) : button); print_button(dialog, ditems[OK_BUTTON].prompt, y, x, ditems[OK_BUTTON].checked ? ditems[OK_BUTTON].checked(&ditems[OK_BUTTON]) : !button); } else { print_button(dialog, "Cancel", y, x + 14, button); print_button(dialog, " OK ", y, x, !button); } wnoutrefresh(dialog); if (cursor_reset) { wmove(list, choice, check_x+1); cursor_reset = FALSE; } else { wmove(list, old_y, old_x); } wrefresh(list); redraw_menu = FALSE; } } delwin(list); delwin(dialog); return rval; }
/* * Display a dialog box for inputing a string */ int dialog_inputbox(const char *title, const char *prompt, int height, int width, const char *init) { int i, x, y, box_y, box_x, box_width; int input_x = 0, key = 0, button = -1; int show_x, len, pos; char *instr = dialog_input_result; WINDOW *dialog; if (!init) instr[0] = '\0'; else strcpy(instr, init); do_resize: if (getmaxy(stdscr) <= (height - 2)) return -ERRDISPLAYTOOSMALL; if (getmaxx(stdscr) <= (width - 2)) return -ERRDISPLAYTOOSMALL; /* 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, 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); /* Draw the input field box */ box_width = width - 6; getyx(dialog, y, x); box_y = y + 2; box_x = (width - box_width) / 2; draw_box(dialog, y + 1, box_x - 1, 3, box_width + 2, dlg.dialog.atr, dlg.border.atr); print_buttons(dialog, height, width, 0); /* Set up the initial value */ wmove(dialog, box_y, box_x); wattrset(dialog, dlg.inputbox.atr); len = strlen(instr); pos = len; if (len >= box_width) { show_x = len - box_width + 1; input_x = box_width - 1; for (i = 0; i < box_width - 1; i++) waddch(dialog, instr[show_x + i]); } else { show_x = 0; input_x = len; waddstr(dialog, instr); } wmove(dialog, box_y, box_x + input_x); wrefresh(dialog); while (key != KEY_ESC) { key = wgetch(dialog); if (button == -1) { /* Input box selected */ switch (key) { case TAB: case KEY_UP: case KEY_DOWN: break; case KEY_BACKSPACE: case 127: if (pos) { wattrset(dialog, dlg.inputbox.atr); if (input_x == 0) { show_x--; } else input_x--; if (pos < len) { for (i = pos - 1; i < len; i++) { instr[i] = instr[i+1]; } } pos--; len--; instr[len] = '\0'; wmove(dialog, box_y, box_x); for (i = 0; i < box_width; i++) { if (!instr[show_x + i]) { waddch(dialog, ' '); break; } waddch(dialog, instr[show_x + i]); } wmove(dialog, box_y, input_x + box_x); wrefresh(dialog); } continue; case KEY_LEFT: if (pos > 0) { if (input_x > 0) { wmove(dialog, box_y, --input_x + box_x); } else if (input_x == 0) { show_x--; wmove(dialog, box_y, box_x); for (i = 0; i < box_width; i++) { if (!instr[show_x + i]) { waddch(dialog, ' '); break; } waddch(dialog, instr[show_x + i]); } wmove(dialog, box_y, box_x); } pos--; } continue; case KEY_RIGHT: if (pos < len) { if (input_x < box_width - 1) { wmove(dialog, box_y, ++input_x + box_x); } else if (input_x == box_width - 1) { show_x++; wmove(dialog, box_y, box_x); for (i = 0; i < box_width; i++) { if (!instr[show_x + i]) { waddch(dialog, ' '); break; } waddch(dialog, instr[show_x + i]); } wmove(dialog, box_y, input_x + box_x); } pos++; } continue; default: if (key < 0x100 && isprint(key)) { if (len < MAX_LEN) { wattrset(dialog, dlg.inputbox.atr); if (pos < len) { for (i = len; i > pos; i--) instr[i] = instr[i-1]; instr[pos] = key; } else { instr[len] = key; } pos++; len++; instr[len] = '\0'; if (input_x == box_width - 1) { show_x++; } else { input_x++; } wmove(dialog, box_y, box_x); for (i = 0; i < box_width; i++) { if (!instr[show_x + i]) { waddch(dialog, ' '); break; } waddch(dialog, instr[show_x + i]); } wmove(dialog, box_y, input_x + box_x); wrefresh(dialog); } else flash(); /* Alarm user about overflow */ continue; } } } switch (key) { case 'O': case 'o': delwin(dialog); return 0; case 'H': case 'h': delwin(dialog); return 1; case KEY_UP: case KEY_LEFT: switch (button) { case -1: button = 1; /* Indicates "Help" button is selected */ print_buttons(dialog, height, width, 1); break; case 0: button = -1; /* Indicates input box is selected */ print_buttons(dialog, height, width, 0); wmove(dialog, box_y, box_x + input_x); wrefresh(dialog); break; case 1: button = 0; /* Indicates "OK" button is selected */ print_buttons(dialog, height, width, 0); break; } break; case TAB: case KEY_DOWN: case KEY_RIGHT: switch (button) { case -1: button = 0; /* Indicates "OK" button is selected */ print_buttons(dialog, height, width, 0); break; case 0: button = 1; /* Indicates "Help" button is selected */ print_buttons(dialog, height, width, 1); break; case 1: button = -1; /* Indicates input box is selected */ print_buttons(dialog, height, width, 0); wmove(dialog, box_y, box_x + input_x); wrefresh(dialog); break; } break; case ' ': case '\n': delwin(dialog); return (button == -1 ? 0 : button); case 'X': case 'x': key = KEY_ESC; break; case KEY_ESC: key = on_key_esc(dialog); break; case KEY_RESIZE: delwin(dialog); on_key_resize(); goto do_resize; } } delwin(dialog); return KEY_ESC; /* ESC pressed */ }
/* * Display a menu for choosing among a number of options */ int dialog_menu(const char *title, const char *prompt, const void *selected, int *s_scroll) { int i, j, x, y, box_x, box_y; int height, width, menu_height; int key = 0, button = 0, scroll = 0, choice = 0; int first_item = 0, max_choice; WINDOW *dialog, *menu; do_resize: height = getmaxy(stdscr); width = getmaxx(stdscr); if (height < 15 || width < 65) return -ERRDISPLAYTOOSMALL; height -= 4; width -= 5; menu_height = height - 10; max_choice = MIN(menu_height, item_count()); /* 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, 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); wbkgdset(dialog, dlg.dialog.atr & A_COLOR); waddch(dialog, ACS_RTEE); print_title(dialog, title, width); wattrset(dialog, dlg.dialog.atr); print_autowrap(dialog, prompt, width - 2, 1, 3); menu_width = width - 6; box_y = height - menu_height - 5; box_x = (width - menu_width) / 2 - 1; /* create new window for the menu */ menu = subwin(dialog, menu_height, menu_width, y + box_y + 1, x + box_x + 1); keypad(menu, TRUE); /* draw a box around the menu items */ draw_box(dialog, box_y, box_x, menu_height + 2, menu_width + 2, dlg.menubox_border.atr, dlg.menubox.atr); if (menu_width >= 80) item_x = (menu_width - 70) / 2; else item_x = 4; /* Set choice to default item */ item_foreach() if (selected && (selected == item_data())) choice = item_n(); /* get the saved scroll info */ scroll = *s_scroll; if ((scroll <= choice) && (scroll + max_choice > choice) && (scroll >= 0) && (scroll + max_choice <= item_count())) { first_item = scroll; choice = choice - scroll; } else { scroll = 0; } if ((choice >= max_choice)) { if (choice >= item_count() - max_choice / 2) scroll = first_item = item_count() - max_choice; else scroll = first_item = choice - max_choice / 2; choice = choice - scroll; } /* Print the menu */ for (i = 0; i < max_choice; i++) { print_item(first_item + i, i, i == choice); } wnoutrefresh(menu); print_arrows(dialog, item_count(), scroll, box_y, box_x + item_x + 1, menu_height); print_buttons(dialog, height, width, 0); wmove(menu, choice, item_x + 1); wrefresh(menu); while (key != KEY_ESC) { key = wgetch(menu); if (key < 256 && isalpha(key)) key = tolower(key); if (strchr("ynmh", key)) i = max_choice; else { for (i = choice + 1; i < max_choice; i++) { item_set(scroll + i); j = first_alpha(item_str(), "YyNnMmHh"); if (key == tolower(item_str()[j])) break; } if (i == max_choice) for (i = 0; i < max_choice; i++) { item_set(scroll + i); j = first_alpha(item_str(), "YyNnMmHh"); if (key == tolower(item_str()[j])) break; } } if (i < max_choice || key == KEY_UP || key == KEY_DOWN || key == '-' || key == '+' || key == KEY_PPAGE || key == KEY_NPAGE) { /* Remove highligt of current item */ print_item(scroll + choice, choice, FALSE); if (key == KEY_UP || key == '-') { if (choice < 2 && scroll) { /* Scroll menu down */ do_scroll(menu, &scroll, -1); print_item(scroll, 0, FALSE); } else choice = MAX(choice - 1, 0); } else if (key == KEY_DOWN || key == '+') { print_item(scroll+choice, choice, FALSE); if ((choice > max_choice - 3) && (scroll + max_choice < item_count())) { /* Scroll menu up */ do_scroll(menu, &scroll, 1); print_item(scroll+max_choice - 1, max_choice - 1, FALSE); } else choice = MIN(choice + 1, max_choice - 1); } else if (key == KEY_PPAGE) { scrollok(menu, TRUE); for (i = 0; (i < max_choice); i++) { if (scroll > 0) { do_scroll(menu, &scroll, -1); print_item(scroll, 0, FALSE); } else { if (choice > 0) choice--; } } } else if (key == KEY_NPAGE) { for (i = 0; (i < max_choice); i++) { if (scroll + max_choice < item_count()) { do_scroll(menu, &scroll, 1); print_item(scroll+max_choice-1, max_choice - 1, FALSE); } else { if (choice + 1 < max_choice) choice++; } } } else choice = i; print_item(scroll + choice, choice, TRUE); print_arrows(dialog, item_count(), scroll, box_y, box_x + item_x + 1, menu_height); wnoutrefresh(dialog); wrefresh(menu); continue; /* wait for another key press */ } switch (key) { case KEY_LEFT: case TAB: case KEY_RIGHT: button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 2 : (button > 2 ? 0 : button); print_buttons(dialog, height, width, button); wrefresh(menu); break; case ' ': case 's': case 'y': case 'n': case 'm': case '/': /* save scroll info */ *s_scroll = scroll; delwin(menu); delwin(dialog); item_set(scroll + choice); item_set_selected(1); switch (key) { case 's': return 3; case 'y': return 3; case 'n': return 4; case 'm': return 5; case ' ': return 6; case '/': return 7; } return 0; case 'h': case '?': button = 2; case '\n': *s_scroll = scroll; delwin(menu); delwin(dialog); item_set(scroll + choice); item_set_selected(1); return button; case 'e': case 'x': key = KEY_ESC; break; case KEY_ESC: key = on_key_esc(menu); break; #ifdef NCURSES_VERSION case KEY_RESIZE: on_key_resize(); delwin(menu); delwin(dialog); goto do_resize; #endif } } delwin(menu); delwin(dialog); return key; /* ESC pressed */ }
/* * 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; }