Пример #1
0
bool Buttons_release(ButtonMask& buttons, guint button, guint state)
{
  if(buttons != 0 && bitfield_disable(buttons, ButtonMask_for_event_button(button)) == 0)
  {
    ASSERT_MESSAGE(!g_accel_enabled, "Buttons_release: accelerators are enabled");
    g_accel_enabled = true;
    for(WindowSet::iterator i = g_accel_windows.begin(); i != g_accel_windows.end(); ++i)
    {
      GtkWindow* toplevel = *i;
      ASSERT_MESSAGE(!window_has_accel(toplevel), "ERROR");
      ASSERT_MESSAGE(GTK_WIDGET_TOPLEVEL(toplevel), "enabling accel for non-toplevel window");
      gtk_window_add_accel_group(toplevel, global_accel);
#if 0
      globalOutputStream() << reinterpret_cast<unsigned int>(toplevel) << ": enabled global accelerators\n";
#endif
#if 0
      accel_group_test(toplevel, global_accel);
#endif
    }
    GlobalQueuedAccelerators_commit();
  }
  buttons = bitfield_disable(buttons, ButtonMask_for_event_button(button));
#if 0
  globalOutputStream() << "Buttons_release: ";
  print_buttons(buttons);
#endif
  return false;
}
Пример #2
0
bool Buttons_press(ButtonMask& buttons, guint button, guint state)
{
  if(buttons == 0 && bitfield_enable(buttons, ButtonMask_for_event_button(button)) != 0)
  {
    ASSERT_MESSAGE(g_accel_enabled, "Buttons_press: accelerators not enabled");
    g_accel_enabled = false;
    for(WindowSet::iterator i = g_accel_windows.begin(); i != g_accel_windows.end(); ++i)
    {
      GtkWindow* toplevel = *i;
      ASSERT_MESSAGE(window_has_accel(toplevel), "ERROR");
      ASSERT_MESSAGE(GTK_WIDGET_TOPLEVEL(toplevel), "disabling accel for non-toplevel window");
      gtk_window_remove_accel_group(toplevel,  global_accel);
#if 0
      globalOutputStream() << reinterpret_cast<unsigned int>(toplevel) << ": disabled global accelerators\n";
#endif
#if 0
      accel_group_test(toplevel, global_accel);
#endif
    }
  }
  buttons = bitfield_enable(buttons, ButtonMask_for_event_button(button));
#if 0
  globalOutputStream() << "Buttons_press: ";
  print_buttons(buttons);
#endif
  return false;
}
static void
list_devices (GList *devices)
{
	GList *l;

	for (l = devices; l ; l = l->next) {
		CsdWacomDevice *device;
		CsdWacomDeviceType type;
		char *loc;

		device = l->data;

		g_signal_connect (G_OBJECT (device), "notify::last-stylus",
				  G_CALLBACK (last_stylus_changed), NULL);

		g_print ("Device '%s' (type: %s)\n",
			 csd_wacom_device_get_name (device),
			 csd_wacom_device_type_to_string (csd_wacom_device_get_device_type (device)));
		g_print ("\tReversible: %s\n", BOOL_AS_STR (csd_wacom_device_reversible (device)));
		g_print ("\tScreen Tablet: %s\n", BOOL_AS_STR (csd_wacom_device_is_screen_tablet (device)));
		g_print ("\tIntegrated Device: %s\n", BOOL_AS_STR (csd_wacom_device_is_isd (device)));
		g_print ("\tUnknown (fallback) device: %s\n", BOOL_AS_STR(csd_wacom_device_is_fallback (device)));

		loc = get_loc (csd_wacom_device_get_settings (device));
		g_print ("\tGeneric settings: %s\n", loc);
		g_free (loc);

		type = csd_wacom_device_get_device_type (device);
		if (type == WACOM_TYPE_STYLUS ||
		    type == WACOM_TYPE_ERASER) {
			GList *styli, *j;
			CsdWacomStylus *current_stylus;

			g_object_get (device, "last-stylus", &current_stylus, NULL);

			styli = csd_wacom_device_list_styli (device);
			for (j = styli; j; j = j->next) {
				CsdWacomStylus *stylus;

				stylus = j->data;
				print_stylus (stylus, current_stylus == stylus);
			}
			g_list_free (styli);
		}

		print_buttons (device);

		if (monitor_styli == FALSE)
			g_object_unref (device);
	}
	g_list_free (devices);
}
Пример #4
0
/*
 * 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 */
}
Пример #5
0
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;		/*             */
}
Пример #6
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 */
}
int
dialog_textyesno (const char *title, const char *file, int height, int width)
{
    int i, x, y, cur_x, cur_y, fpos, key = 0, button = 0;
    int passed_end;
    char search_term[MAX_LEN + 1];
    WINDOW *dialog, *text;

    search_term[0] = '\0';	/* no search term entered yet */

    /* Open input file for reading */
    if ((fd = open (file, O_RDONLY)) == -1) {
	endwin ();
	fprintf (stderr,
		 "\nCan't open input file in dialog_textbox().\n");
	exit (-1);
    }
    /* Get file size. Actually, 'file_size' is the real file size - 1,
       since it's only the last byte offset from the beginning */
    if ((file_size = lseek (fd, 0, SEEK_END)) == -1) {
	endwin ();
	fprintf (stderr, "\nError getting file size in dialog_textbox().\n");
	exit (-1);
    }
    /* Restore file pointer to beginning of file after getting file size */
    if (lseek (fd, 0, SEEK_SET) == -1) {
	endwin ();
	fprintf (stderr, "\nError moving file pointer in dialog_textbox().\n");
	exit (-1);
    }
    /* Allocate space for read buffer */
    if ((buf = malloc (BUF_SIZE + 1)) == NULL) {
	endwin ();
	fprintf (stderr, "\nCan't allocate memory in dialog_textbox().\n");
	exit (-1);
    }
    if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) {
	endwin ();
	fprintf (stderr, "\nError reading file in dialog_textbox().\n");
	exit (-1);
    }
    buf[bytes_read] = '\0';	/* mark end of valid data */
    page = buf;			/* page is pointer to start of page to be displayed */

    /* 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);

    /* Create window for text region, used for scrolling text */
    text = subwin (dialog, height - 4, width - 2, y + 1, x + 1);
    wattrset (text, dialog_attr);
    wbkgdset (text, dialog_attr & A_COLOR);

    keypad (text, TRUE);

    /* register the new window, along with its borders */
    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, ' ');
    }

    //Nenad instered this
    print_buttons(dialog, height, width, 0);
    wnoutrefresh (dialog);
    getyx (dialog, cur_y, cur_x);	/* Save cursor position */

    /* Print first page of text */
    attr_clear (text, height - 4, width - 2, dialog_attr);
    print_page (text, height - 4, width - 2);
    print_position (dialog, height, width);
    wmove (dialog, cur_y, cur_x);	/* Restore cursor position */
    wrefresh (dialog);

    while ((key != ESC) && (key != '\n')) {
	key = wgetch (dialog);
	switch (key) {
	case 'Y':		/* Exit */
	case 'y':
	    delwin (dialog);
	    free (buf);
	    close (fd);
	    return 0;
	case 'N':
	case 'n':
	    delwin (dialog);
	    free (buf);
	    close (fd);
	    return 1;
	case 'g':		/* First page */
	case KEY_HOME:
	    if (!begin_reached) {
		begin_reached = 1;
		/* First page not in buffer? */
		if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) {
		    endwin ();
		    fprintf (stderr,
		      "\nError moving file pointer in dialog_textbox().\n");
		    exit (-1);
		}
		if (fpos > bytes_read) {	/* Yes, we have to read it in */
		    if (lseek (fd, 0, SEEK_SET) == -1) {
			endwin ();
			fprintf (stderr, "\nError moving file pointer in "
				 "dialog_textbox().\n");
			exit (-1);
		    }
		    if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) {
			endwin ();
			fprintf (stderr,
			     "\nError reading file in dialog_textbox().\n");
			exit (-1);
		    }
		    buf[bytes_read] = '\0';
		}
		page = buf;
		print_page (text, height - 4, width - 2);
		print_position (dialog, height, width);
		wmove (dialog, cur_y, cur_x);	/* Restore cursor position */
		wrefresh (dialog);
	    }
	    break;
	case 'G':		/* Last page */
	case KEY_END:

	    end_reached = 1;
	    /* Last page not in buffer? */
	    if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) {
		endwin ();
		fprintf (stderr,
		      "\nError moving file pointer in dialog_textbox().\n");
		exit (-1);
	    }
	    if (fpos < file_size) {	/* Yes, we have to read it in */
		if (lseek (fd, -BUF_SIZE, SEEK_END) == -1) {
		    endwin ();
		    fprintf (stderr,
		      "\nError moving file pointer in dialog_textbox().\n");
		    exit (-1);
		}
		if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) {
		    endwin ();
		    fprintf (stderr,
			     "\nError reading file in dialog_textbox().\n");
		    exit (-1);
		}
		buf[bytes_read] = '\0';
	    }
	    page = buf + bytes_read;
	    back_lines (height - 4);
	    print_page (text, height - 4, width - 2);
	    print_position (dialog, height, width);
	    wmove (dialog, cur_y, cur_x);	/* Restore cursor position */
	    wrefresh (dialog);
	    break;
	case 'K':		/* Previous line */
	case 'k':
	case KEY_UP:
	    if (!begin_reached) {
		back_lines (page_length + 1);

		/* We don't call print_page() here but use scrolling to ensure
		   faster screen update. However, 'end_reached' and
		   'page_length' should still be updated, and 'page' should
		   point to start of next page. This is done by calling
		   get_line() in the following 'for' loop. */
		scrollok (text, TRUE);
		wscrl (text, -1);	/* Scroll text region down one line */
		scrollok (text, FALSE);
		page_length = 0;
		passed_end = 0;
		for (i = 0; i < height - 4; i++) {
		    if (!i) {
			/* print first line of page */
			print_line (text, 0, width - 2);
			wnoutrefresh (text);
		    } else
			/* Called to update 'end_reached' and 'page' */
			get_line ();
		    if (!passed_end)
			page_length++;
		    if (end_reached && !passed_end)
			passed_end = 1;
		}

		print_position (dialog, height, width);
		wmove (dialog, cur_y, cur_x);	/* Restore cursor position */
		wrefresh (dialog);
	    }
	    break;
	case 'B':		/* Previous page */
	case 'b':
	case KEY_PPAGE:
	    if (begin_reached)
		break;
	    back_lines (page_length + height - 4);
	    print_page (text, height - 4, width - 2);
	    print_position (dialog, height, width);
	    wmove (dialog, cur_y, cur_x);
	    wrefresh (dialog);
	    break;
	case 'J':		/* Next line */
	case 'j':
	case KEY_DOWN:
	    if (!end_reached) {
		begin_reached = 0;
		scrollok (text, TRUE);
		scroll (text);	/* Scroll text region up one line */
		scrollok (text, FALSE);
		print_line (text, height - 5, width - 2);
		wnoutrefresh (text);
		print_position (dialog, height, width);
		wmove (dialog, cur_y, cur_x);	/* Restore cursor position */
		wrefresh (dialog);
	    }
	    break;
	case KEY_NPAGE:		/* Next page */
	    if (end_reached)
		break;

	    begin_reached = 0;
	    print_page (text, height - 4, width - 2);
	    print_position (dialog, height, width);
	    wmove (dialog, cur_y, cur_x);
	    wrefresh (dialog);
	    break;
	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);
	    free (buf);
	    close (fd);
	    return button;
	case ESC:
	    break;
	}
    }

    delwin (dialog);
    free (buf);
    close (fd);
    return -1;			/* ESC pressed */
}
Пример #8
0
/*
 * 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 */
}
Пример #9
0
/*
 * 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 */
}
Пример #10
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)
{
	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 */
}
Пример #11
0
/*
 * 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 */
}
Пример #12
0
/*
 * 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 */
}
Пример #13
0
/*
 * 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 */
}