entry.py 文件源码

def update(self, *args):
        """
        Handles the selection and keyboard-input

        parameters: tuple arguments for the update (first argument should be an instance pygame.event.Event)
        return values: -
        """
        if len(args) > 0 and self.isActive():
            event = args[0]
            if event.type == pygame.KEYDOWN and self.isFocused():
                if event.key == pygame.K_LEFT:
                    self.moveCursor(-1)
                elif event.key == pygame.K_RIGHT:
                    self.moveCursor(1)
                elif event.key == pygame.K_BACKSPACE or event.key == pygame.K_DELETE:
                    if self._selection == self._cursor:
                        if event.key == pygame.K_DELETE:
                            self.delete(self._selection + 1, CURSOR)
                        else:
                            self.delete(self._selection - 1, CURSOR)
                            self.moveCursor(-1)
                    else:
                        self.delete(SELECTION, CURSOR)
                        self.setCursor(self._sort(SELECTION, CURSOR)[0])
                else:
                    char = event.unicode.encode("ascii", "ignore")
                    if (char != "" and (char == " " or not char.isspace())
                    and self._validation(self._text + char, self._text, self)):
                        self.delete(SELECTION, CURSOR)
                        s = self._sort(SELECTION, CURSOR)[0]
                        self.insert(s, char)
                        self.setCursor(s + 1)
            elif event.type == pygame.MOUSEMOTION:
                if self.rect.collidepoint(event.pos) and event.buttons[0]:
                    self.setSelection(SELECTION, self._posToIndex(event.pos[0] - self.rect.x))
            elif event.type == pygame.MOUSEBUTTONDOWN:
                if self.rect.collidepoint(event.pos):
                    self.setCursor(self._posToIndex(event.pos[0] - self.rect.x))

        super(Entry, self).update(*args)