Python PyQt5.QtCore.Qt 模块，Key_E() 实例源码

def set_up_keyboard_keys(self):

        row_1 = [Qt.Key_Q, Qt.Key_W, Qt.Key_E, Qt.Key_R, Qt.Key_T, Qt.Key_Y,
                 Qt.Key_Y, Qt.Key_I, Qt.Key_O, Qt.Key_P, Qt.Key_Backspace]
        row_2 = [Qt.Key_A, Qt.Key_S, Qt.Key_D, Qt.Key_F, Qt.Key_G, Qt.Key_H,
                 Qt.Key_J, Qt.Key_K, Qt.Key_L, Qt.Key_Ccedilla, Qt.Key_Return]
        row_3 = [Qt.Key_Aring, Qt.Key_Z, Qt.Key_X, Qt.Key_C, Qt.Key_V,
                 Qt.Key_B, Qt.Key_N, Qt.Key_M, Qt.Key_Comma, Qt.Key_Period,
                 Qt.Key_Question, Qt.Key_Aring]
        row_4 = [Qt.Key_Aring, Qt.Key_Space,
                 Qt.Key_Left, Qt.Key_Right, Qt.Key_Aring]
        self.keyboard_keys = [row_1, row_2, row_3, row_4]

def keyPressEvent(self, e):
        completion_prefix = self.text_under_cursor()
        if self.cmp and self.popup_widget.func_list_widget.isVisible():
            current_row = self.popup_widget.func_list_widget.currentRow()
            if e.key() == Qt.Key_Down:
                self.current_item_down(current_row)
                return

            if e.key() == Qt.Key_Up:
                self.current_item_up(current_row)
                return

            if e.key() in (Qt.Key_Return, Qt.Key_Enter):
                selected_word = self.popup_widget.func_list_widget.currentItem().text()
                self.insert_func_name_signal.emit(completion_prefix, selected_word)
                return

        if e.key() in (Qt.Key_Return, Qt.Key_Enter):
            self.parse_content()

        is_shortcut = ((e.modifiers() & Qt.ControlModifier) and e.key() == Qt.Key_E)  # shortcut key:ctrl + e
        if is_shortcut:
            self.cmp.update("", self.popup_widget)
            self.update_popup_widget_position()
            self.activateWindow()
            return

        if not self.cmp or not is_shortcut:
            super(TextEdit, self).keyPressEvent(e)