我们从Python开源项目中，提取了以下9个代码示例，用于说明如何使用curses.KEY_NPAGE。
def on_key(self, ch): if ch not in (curses.KEY_UP, curses.KEY_DOWN, curses.KEY_PPAGE, curses.KEY_NPAGE): return if ch == curses.KEY_UP: self.scroll = max(self.scroll - 1, 0) if ch == curses.KEY_DOWN: self.scroll = min(self.scroll + 1, self.maxscroll) if ch == curses.KEY_PPAGE: self.scroll = max(self.scroll - self.perpage, 0) if ch == curses.KEY_NPAGE: self.scroll = min(self.scroll + self.perpage, self.maxscroll) self.update()
def focus(self): modeline.update_activeWindow("Map") curses.curs_set(0) while True: event = self.mapwin.getch() # if event == -1: # continue logging.info(event) try_handle_global_event(event) if event == curses.KEY_UP: self.pan("up") if event == curses.KEY_DOWN: self.pan("down") if event == curses.KEY_LEFT: self.pan("left") if event == curses.KEY_RIGHT: self.pan("right") if event == curses.KEY_NPAGE: self.zoom_out(5) if event == curses.KEY_PPAGE: self.zoom_in(5)
def handle_key(self, k): if k == ord('q'): self.close(None) elif k == ord('d'): self._change_date() elif k == ord('l'): self._change_level() elif k == ord('f'): self._change_facility() elif k == ord('h'): self._change_host() elif k == ord('p'): self._change_program() elif k == curses.KEY_NPAGE: self._buf.go_to_next_page() elif k == curses.KEY_PPAGE: self._buf.go_to_previous_page() elif k == curses.KEY_DOWN: self._buf.go_to_next_line() elif k == curses.KEY_UP: self._buf.go_to_previous_line() elif k == curses.KEY_RIGHT: self.scroll_right() elif k == curses.KEY_LEFT: self.scroll_left()
def keys_init_noedit(self): """Define methods for each key for non-editing mode. """ self.keys = { curses.ascii.ETX: self.close, curses.KEY_DOWN: self.down_noedit, CTRL('n'): self.down_noedit, 'j': self.down_noedit, curses.KEY_F1: self.help, curses.KEY_NPAGE: self.page_down, 'J': self.page_down, CTRL('f'): self.page_up, curses.KEY_PPAGE: self.page_up, 'K': self.page_up, CTRL('b'): self.page_up, CTRL('x'): self.quit, curses.KEY_F2: self.quit, curses.KEY_F3: self.quit_nosave, curses.ascii.ESC: self.quit_nosave, curses.KEY_RESIZE: self.resize, -1: self.resize, curses.KEY_UP: self.up_noedit, CTRL('p'): self.up_noedit, 'k': self.up_noedit, }
def command(self, char): """handle page specific commands""" if char == curses.KEY_DOWN or char == ord('j'): if self.pad_pos < self.row_count-1: self.pad_pos += 1 elif char == curses.KEY_UP or char == ord('k'): if self.pad_pos > 0: self.pad_pos -= 1 elif char == curses.KEY_NPAGE or char == ord('J'): if self.pad_pos < self.row_count-((self.max_y)/2): self.pad_pos += (self.max_y)/2 else: self.pad_pos = self.row_count-1 elif char == curses.KEY_PPAGE or char == ord('K'): if self.pad_pos > ((self.max_y)/2): self.pad_pos -= (self.max_y)/2 else: self.pad_pos = 0 elif char == curses.KEY_RIGHT or char == ord('l'): if self.row_index[self.pad_pos][0] == 'vessel': vessel = self.row_index[self.pad_pos][1] return ('VESSEL_DETAIL', vessel) if self.row_index[self.pad_pos][0] == 'target': vessel = self.row_index[self.pad_pos][1] path = self.row_index[self.pad_pos][2] return ('TARGET_DETAIL', (vessel, path)) return (None, None)
def curses_loop(self, stdscr): while 1: self.redraw() c = stdscr.getch() if c == ord('q') or c == ord('Q'): self.aborted = True break elif c == curses.KEY_UP: self.cursor = self.cursor - 1 elif c == curses.KEY_DOWN: self.cursor = self.cursor + 1 # elif c == curses.KEY_PPAGE: # elif c == curses.KEY_NPAGE: elif c == ord(' '): self.all_options[self.selected]["selected"] = \ not self.all_options[self.selected]["selected"] elif c == 10: break # deal with interaction limits self.check_cursor_up() self.check_cursor_down() # compute selected position only after dealing with limits self.selected = self.cursor + self.offset temp = self.getSelected() self.selcount = len(temp)
def get_keyboard_codes(): """ Return mapping of keycode integer values paired by their curses key-name. :rtype: dict Returns dictionary of (code, name) pairs for curses keyboard constant values and their mnemonic name. Such as key ``260``, with the value of its identity, ``u'KEY_LEFT'``. These are derived from the attributes by the same of the curses module, with the following exceptions: * ``KEY_DELETE`` in place of ``KEY_DC`` * ``KEY_INSERT`` in place of ``KEY_IC`` * ``KEY_PGUP`` in place of ``KEY_PPAGE`` * ``KEY_PGDOWN`` in place of ``KEY_NPAGE`` * ``KEY_ESCAPE`` in place of ``KEY_EXIT`` * ``KEY_SUP`` in place of ``KEY_SR`` * ``KEY_SDOWN`` in place of ``KEY_SF`` This function is the inverse of :func:`get_curses_keycodes`. With the given override "mixins" listed above, the keycode for the delete key will map to our imaginary ``KEY_DELETE`` mnemonic, effectively erasing the phrase ``KEY_DC`` from our code vocabulary for anyone that wishes to use the return value to determine the key-name by keycode. """ keycodes = OrderedDict(get_curses_keycodes()) keycodes.update(CURSES_KEYCODE_OVERRIDE_MIXIN) # invert dictionary (key, values) => (values, key), preferring the # last-most inserted value ('KEY_DELETE' over 'KEY_DC'). return dict(zip(keycodes.values(), keycodes.keys()))
def keys_init(self): """Define methods for each key. """ self.keys = { curses.KEY_BACKSPACE: self.backspace, CTRL('h'): self.backspace, curses.ascii.BS: self.backspace, curses.ascii.DEL: self.backspace, curses.ascii.ETX: self.close, curses.KEY_DC: self.del_char, CTRL('d'): self.del_char, CTRL('u'): self.del_to_bol, CTRL('k'): self.del_to_eol, curses.KEY_DOWN: self.down, CTRL('n'): self.down, curses.KEY_END: self.end, CTRL('e'): self.end, curses.KEY_F1: self.help, curses.KEY_HOME: self.home, CTRL('a'): self.home, curses.KEY_ENTER: self.insert_line_or_quit, curses.ascii.NL: self.insert_line_or_quit, curses.ascii.LF: self.insert_line_or_quit, "\n": self.insert_line_or_quit, curses.KEY_LEFT: self.left, CTRL('b'): self.left, curses.KEY_NPAGE: self.page_down, curses.KEY_PPAGE: self.page_up, CTRL('v'): self.paste, CTRL('x'): self.quit, curses.KEY_F2: self.quit, curses.KEY_F3: self.quit_nosave, curses.ascii.ESC: self.quit_nosave, curses.KEY_RESIZE: self.resize, -1: self.resize, curses.KEY_RIGHT: self.right, CTRL('f'): self.right, curses.KEY_UP: self.up, CTRL('p'): self.up, }
def c_main(stdscr): cargo_cult_routine(stdscr) stdscr.nodelay(0) mydir = factory(start) mydir.expand() curidx = 3 pending_action = None pending_save = False while True: stdscr.clear() curses.init_pair(1, curses.COLOR_WHITE, curses.COLOR_BLUE) line = 0 offset = max(0, curidx - curses.LINES + 3) for data, depth in mydir.traverse(): if line == curidx: stdscr.attrset(curses.color_pair(1) | curses.A_BOLD) if pending_action: getattr(data, pending_action)() pending_action = None elif pending_save: global result result = data.name return else: stdscr.attrset(curses.color_pair(0)) if 0 <= line - offset < curses.LINES - 1: stdscr.addstr(line - offset, 0, data.render(depth, curses.COLS)) line += 1 stdscr.refresh() ch = stdscr.getch() if ch == curses.KEY_UP: curidx -= 1 elif ch == curses.KEY_DOWN: curidx += 1 elif ch == curses.KEY_PPAGE: curidx -= curses.LINES if curidx < 0: curidx = 0 elif ch == curses.KEY_NPAGE: curidx += curses.LINES if curidx >= line: curidx = line - 1 elif ch == curses.KEY_RIGHT: pending_action = 'expand' elif ch == curses.KEY_LEFT: pending_action = 'collapse' elif ch == ESC: return elif ch == ord('\n'): pending_save = True curidx %= line ################################################################################
