我们从Python开源项目中，提取了以下40个代码示例，用于说明如何使用curses.ascii()。
def _insert_printable_char(self, ch): (y, x) = self.win.getyx() if y < self.maxy or x < self.maxx: if self.insert_mode: oldch = self.win.inch() # The try-catch ignores the error we trigger from some curses # versions by trying to write into the lowest-rightmost spot # in the window. try: self.win.addch(ch) except curses.error: pass if self.insert_mode: (backy, backx) = self.win.getyx() if curses.ascii.isprint(oldch): self._insert_printable_char(oldch) self.win.move(backy, backx)
def _insert_printable_char(self, ch): (y, x) = self.win.getyx() if y < self.maxy or x < self.maxx: # Possible reference before assignment fix oldch = None if self.insert_mode: oldch = self.win.inch() # The try-catch ignores the error we trigger from some curses # versions by trying to write into the lowest-rightmost spot # in the window. try: self.win.addch(ch) except curses.error: pass if self.insert_mode: (backy, backx) = self.win.getyx() if curses.ascii.isprint(oldch): self._insert_printable_char(oldch) self.win.move(backy, backx)
def setTextBuffer(self, textBuffer): app.controller.Controller.setTextBuffer(self, textBuffer) normalCommandSet = { ord('^'): textBuffer.cursorStartOfLine, ord('$'): textBuffer.cursorEndOfLine, ord('h'): textBuffer.cursorLeft, ord('i'): self.switchToCommandSetInsert, ord('j'): textBuffer.cursorDown, ord('k'): textBuffer.cursorUp, ord('l'): textBuffer.cursorRight, } self.commandSet = normalCommandSet self.commandSet_Insert = { curses.ascii.ESC: self.switchToCommandSetNormal, } self.commandDefault = self.textBuffer.insertPrintable
def CTRL(key): return curses.ascii.ctrl(key)
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 _end_of_line(self, y): """Go to the location of the first blank on the given line, returning the index of the last non-blank character.""" last = self.maxx while True: if curses.ascii.ascii(self.win.inch(y, last)) != curses.ascii.SP: last = min(self.maxx, last+1) break elif last == 0: break last = last - 1 return last
def gather(self): "Collect and return the contents of the window." result = "" for y in range(self.maxy+1): self.win.move(y, 0) stop = self._end_of_line(y) if stop == 0 and self.stripspaces: continue for x in range(self.maxx+1): if self.stripspaces and x > stop: break result = result + chr(curses.ascii.ascii(self.win.inch(y, x))) if self.maxy > 0: result = result + "\n" return result
def __init__(self, win, insert_mode=False, text=''): Textbox.__init__(self, win, insert_mode) for chr in text: if chr == '\n': Textbox.do_command(self, curses.ascii.NL) else: Textbox.do_command(self, chr)
def test_menu_textentryitem__eot_deletion(self): """Test that the input_caller returns the expected string value.""" curses.initscr() curses.ungetch("\n") curses.ungetch("a") curses.ungetch(curses.ascii.EOT) curses.ungetch(curses.ascii.EOT) curses.ungetch(curses.KEY_LEFT) curses.ungetch(curses.ascii.EOT) curses.ungetch(curses.KEY_LEFT) curses.ungetch("a") curses.ungetch("a") self.textentryitem() self.assertEqual(self.textentryitem.get_value(), "a")
def test_menu_textentryitem__ascii_bel(self): """Test that the input_caller returns the expected string value.""" curses.initscr() curses.ungetch("\n") curses.ungetch(curses.ascii.BEL) # BEL is a non-printable character so the return value should be an empty string self.textentryitem() self.assertEqual(self.textentryitem.get_value(), "")
def _end_of_line(self, y): """Go to the location of the first blank on the given line, returning the index of the last non-blank character.""" last = self.maxx while True: if curses.ascii.ascii(self.win.inch(y, last)) != curses.ascii.SP: last = min(self.maxx, last + 1) break elif last == 0: break last -= 1 return last
def gather(self): """Collect and return the contents of the window.""" result = "" for y in range(self.maxy + 1): self.win.move(y, 0) stop = self._end_of_line(y) if stop == 0 and self.stripspaces: continue for x in range(self.maxx + 1): if self.stripspaces and x > stop: break result += chr(curses.ascii.ascii(self.win.inch(y, x))) if self.maxy > 0: result += "\n" return result
def get_key(self): code = self.win.getch() if code > 0: # Accept newline and carriage return as enter key if code == curses.ascii.NL or code == curses.ascii.CR: code = curses.KEY_ENTER # Accept newline and carriage return as enter key if code == curses.ascii.BS: code = curses.KEY_BACKSPACE return code
def on_key(self, ch): x = self.pos # ascii 32-126 (inclusive) if curses.ascii.isprint(ch): if len(self.value) < self.max_length: self.value = self.value[:x] + chr(ch) + self.value[x:] self.pos += 1 elif ch == curses.KEY_LEFT: if x > 0: self.pos -= 1 elif ch == curses.KEY_RIGHT: if x < len(self.value): self.pos += 1 elif ch == curses.KEY_BACKSPACE: if x > 0: self.value = self.value[:x - 1] + self.value[x:] self.pos -= 1 elif ch == curses.KEY_DC: if x < len(self.value): self.value = self.value[:x] + self.value[x + 1:] elif ch == curses.KEY_HOME: self.pos = 0 elif ch == curses.KEY_END: self.pos = len(self.value) else: return False self.update() return True
def on_key(self, ch): if not self.active: return if self.selected: if ch in (curses.ascii.ESC, curses.KEY_BACKSPACE): self.cancel_selection() elif ch == curses.KEY_LEFT: if self.selection > 0 and self.selection < 4 or self.selection > 4: self.set_selection(self.selection - 1) elif ch == curses.KEY_RIGHT: if self.selection < 3 or self.selection > 3 and self.selection < 7: self.set_selection(self.selection + 1) elif ch == curses.KEY_UP: if self.selection > 3: self.set_selection(self.selection - 4) elif ch == curses.KEY_DOWN: if self.selection < 4 and self.selected_source == 'hand': self.set_selection(self.selection + 4) elif ch in (curses.KEY_ENTER, curses.ascii.SP): self.confirm_selection() else: if ch == curses.KEY_LEFT: if self.selection > 0: self.set_selection(self.selection - 1) elif ch == curses.KEY_RIGHT: if self.selection + 1 < len(self.selectable_sources): self.set_selection(self.selection + 1) elif ch in (curses.KEY_ENTER, curses.ascii.SP): self.confirm_selection()
def is_escape(self, key): if len(key) == 1: return ord(key) == curses.ascii.ESC return False
def is_backspace(self, key): if len(key) > 1: return key == "KEY_BACKSPACE" elif ord(key) in (curses.ascii.BS, curses.ascii.DEL): return True return False
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 on_key(self, ch): if not self.active or self.disabled: return if not self.active.on_key(ch): y, x = self.position(self.active) if ch == curses.KEY_UP: if y > 0: self.set_active(self.rows[y - 1][self.defaults[y - 1]]) elif ch in (curses.KEY_DOWN, curses.KEY_ENTER): if y < len(self.rows) - 1: self.set_active(self.rows[y + 1][self.defaults[y + 1]]) elif ch == curses.KEY_LEFT: if x > 0: self.set_active(self.rows[y][x - 1]) elif ch == curses.KEY_RIGHT: if x < len(self.rows[y]) - 1: self.set_active(self.rows[y][x + 1]) elif ch == curses.ascii.TAB: # Right if x < len(self.rows[y]) - 1: self.set_active(self.rows[y][x + 1]) # Down, ignoring defaults elif y < len(self.rows) - 1: self.set_active(self.rows[y + 1][0]) else: self.set_active(self.rows[0][0]) elif ch == curses.KEY_BTAB: # Left if x > 0: self.set_active(self.rows[y][x - 1]) # Up elif y > 0: col = len(self.rows[y - 1]) - 1 self.set_active(self.rows[y - 1][col]) else: row = len(self.rows) - 1 col = len(self.rows[row]) - 1 self.set_active(self.rows[row][col])
