terminal_dialog.py 文件源码

def eventFilter(self, target, event):
        def match(s1, s2):
            for x in s2:
                if s1.matches(x) == QKeySequence.ExactMatch:
                    return True
            return False

        if target == self.inputTextBox:
            if isinstance(event, QKeyEvent):
                if event.type() == QKeyEvent.KeyPress:
                    event_sequence = QtHelper.key_event_sequence(event)
                    if match(event_sequence, Settings().new_line_key):
                        return False
                    if match(event_sequence, Settings().send_key):
                        self.send_input()
                        return True
                    if event.key() == Qt.Key_Tab:
                        self.inputTextBox.insertPlainText(" "*Settings().terminal_tab_spaces)
                        return True
                    if event.key() == Qt.Key_Up and (event.modifiers() & Qt.ControlModifier):
                        if self._input_history_index > 0:
                            self._input_history_index -= 1
                            self.inputTextBox.clear()
                            self.inputTextBox.setPlainText(self.terminal.input(self._input_history_index))
                    if event.key() == Qt.Key_Down and (event.modifiers() & Qt.ControlModifier):
                        if self._input_history_index < self.terminal.last_input_idx():
                            self._input_history_index += 1
                            self.inputTextBox.clear()
                            self.inputTextBox.setPlainText(self.terminal.input(self._input_history_index))
        elif target == self.outputTextEdit:
            if isinstance(event, QKeyEvent):
                if event.type() == QEvent.KeyPress:
                    if event.key() == Qt.Key_Up:
                        self.connection.send_bytes(b"\x1b[A")
                    if event.key() == Qt.Key_Down:
                        self.connection.send_bytes(b"\x1b[B")
                    else:
                        t = event.text()
                        if t:
                            self.connection.send_character(t)
                    return True
        elif target == self.outputTextEdit.verticalScrollBar():
            if isinstance(event, QHideEvent):
                return True
        return False