我们从Python开源项目中，提取了以下16个代码示例，用于说明如何使用urwid.emit_signal()。
def keypress(self, size, key): """Handle all keyboard shortcuts for the market menu""" if key in self.keypress_map: # Open up the order dialog to buy sell this item commodity = self.keypress_map[key] self.pubpen.publish(self.order_info_event, commodity, self.auxiliary_cols[self.price_col_idx].data_map[commodity], self.location) urwid.emit_signal(self, self.signals[1]) elif key in ('left', 'right'): # Ignore keys that might move focus to a widget to the side return elif key in ('up', 'down', 'page up', 'page down'): # First let the children handle the change in focus... super().keypress(size, key) #pylint: disable=not-callable # Then highlight the same entry in other columns self._highlight_focused_line() else: super().keypress(size, key) #pylint: disable=not-callable return key
def keypress(self, size, key): if key=='enter': line=self.edit_text.strip() if line: urwid.emit_signal(self,'line_entered', line) self.history.append(line) self._history_index=len(self.history) self.edit_text=u'' if key=='up': self._history_index-=1 if self._history_index< 0: self._history_index= 0 else: self.edit_text=self.history[self._history_index] if key=='down': self._history_index+=1 if self._history_index>=len(self.history): self._history_index=len(self.history) self.edit_text=u'' else: self.edit_text=self.history[self._history_index] else: urwid.Edit.keypress(self, size, key)
def keypress(self, size, key): if key == 'enter': line = self.edit_text.strip() if line: urwid.emit_signal(self, 'line_entered', line) self.history.append(line) self._history_index = len(self.history) self.edit_text = u'' if key == 'up': self._history_index -= 1 if self._history_index < 0: self._history_index = 0 else: self.edit_text = self.history[self._history_index] if key == 'down': self._history_index += 1 if self._history_index >= len(self.history): self._history_index = len(self.history) self.edit_text = u'' else: self.edit_text = self.history[self._history_index] else: urwid.Edit.keypress(self, size, key)
def keypress(self, size, key): if key == 'enter': urwid.emit_signal(self, 'done', self.get_edit_text()) return elif key == 'esc': urwid.emit_signal(self, 'done', None) return elif key == 'tab': urwid.emit_signal(self, 'toggle_case_modifier') urwid.emit_signal(self, 'change', self, self.get_edit_text()) return elif key == 'ctrl r': urwid.emit_signal(self, 'toggle_regexp_modifier') urwid.emit_signal(self, 'change', self, self.get_edit_text()) return elif key == 'down': urwid.emit_signal(self, 'done', None) return urwid.Edit.keypress(self, size, key)
def keypress(self, size, key): if key in ('up', 'down', 'page up', 'page down', 'enter', ' ', 'j', 'k'): return super(SongListBox, self).keypress(size, key) if key in ('q', 'Q', 'esc'): # ?????? urwid.emit_signal(self, 'exit') if key in ('s', 'S'): # ???? urwid.emit_signal(self, 'stop') if key in ('left', 'right'): # ????? urwid.emit_signal(self, 'next_song') if key in ('m', 'M'): # ???? urwid.emit_signal(self, 'change_mode')
def handle_commodity_select(self, commodity, *args): """ Create a buy/sell dialog when the commodity is selected :arg commodity: The name of the commodity selected """ # If the user selected the line via the mouse, then we need to sync # the highlighted line self.commodity.set_focus(self.commodity_col.data_map[commodity]) self._highlight_focused_line() self.pubpen.publish(self.order_info_event, commodity, self.auxiliary_cols[self.price_col_idx].data_map[commodity], self.location) urwid.emit_signal(self, self.signals[1])
def keypress(self, *args): """Any interaction with the widget moves on to the next screen""" urwid.emit_signal(self, 'close_title_card')
def handle_transaction_finalized(self, *args, **kwargs): """ Clear the transation dialog state when we are told the transaction is finished. This cleans up the event notifications and closes the dialog. """ self.finalize() # Close the dialog urwid.emit_signal(self, self.signals[0])
def handle_new_location(self, *args): """Got a valid new location so we can close this window""" self.pubpen.unsubscribe(self._ship_moved_sub_id) self._ship_moved_sub_id = None urwid.emit_signal(self, 'close_travel_menu') # urwid event handlers
def logged_in(self, username): """Tell the main window that we've logged in""" urwid.emit_signal(self, 'logged_in')
def keypress(self, size, key): if key == 'enter': urwid.emit_signal(self, 'done', self.get_edit_text()) return elif key == 'esc': urwid.emit_signal(self, 'done', None) return urwid.Edit.keypress(self, size, key)
def on_finish(self, widget): urwid.emit_signal(self, 'done', self, self.get_edit_text())
def on_close(self, widget, s): urwid.emit_signal(self, "close", self, s)
def render(self, size, focus): if size != self.last_size: self.last_size = size urwid.emit_signal(self, 'resize', size) return urwid.ListBox.render(self, size, focus)
