Python QProgressBar.setContextMenuPolicy方法代码示例

# 需要导入模块: from PyQt5.QtWidgets import QProgressBar [as 别名]
# 或者: from PyQt5.QtWidgets.QProgressBar import setContextMenuPolicy [as 别名]
class ProgressBar(vip_base):

    def cb_initialize_plugin(self):
        # ---------------------------
        # Read configuration
        # ---------------------------
        # Note: this cfg items have to exist!
        self.config = self.pl_get_current_config_ref()
        self.progress_value = self.config['progress_value']['value']
        self.trigger_value = self.config['trigger_value']['value']
        self.reset_trigger_value = self.config['reset_trigger_value']['value']
        self.show_percent = self.config['show_percent']['value'] == '1'
        self.show_current_max = self.config['show_current_max']['value'] == '1'
        self.round_digit = int(self.config['round_digit']['value'])

        self.min_range = float(self.config['min_rage']['value'])
        self.max_range = float(self.config['max_range']['value'])
        # --------------------------------
        # Create Widget
        # --------------------------------
        # Create Widget needed for this plugin

        self.progressbar = QProgressBar()
        self.progressbar.setRange(0, 100)
        self.progressbar.setTextVisible(True)
        self.progressbar.setValue(0)

        self.progressbar.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
        self.progressbar.customContextMenuRequested.connect(self.show_context_menu)
        # This call is important, because the background structure needs to know the used widget!
        # In the background the qmidiwindow will becreated and the widget will be added


        self.set_value(self.min_range)

        self.pl_set_widget_for_internal_usage(self.progressbar)


        # ---------------------------
        # Create Parameters
        # ---------------------------
        para_list = []
        # create a parameter object

        self.para_trigger = DParameter('trigger', default=0)

        self.para_change_progress_value = DParameter('ProgressValue', default=self.progress_value)
        self.para_change_reset_value = DParameter('ResetValue', default=self.reset_trigger_value)
        self.para_change_trigger_value = DParameter('TriggerValue', default=self.trigger_value)

        self.para_change_min_range = DParameter('MinRange', default=self.min_range, Regex=pc.REGEX_SIGNED_FLOAT_OR_INT)
        self.para_change_max_range = DParameter('MaxRange', default=self.max_range, Regex=pc.REGEX_SIGNED_FLOAT_OR_INT)

        self.para_show_percent = DParameter('ShowPercent', default=self.config['show_percent']['value'], Regex=pc.REGEX_BOOL_BIN)
        self.para_show_current_max = DParameter('ShowCurrentMax', default=self.config['show_current_max']['value'], Regex=pc.REGEX_BOOL_BIN)

        para_list.append(self.para_trigger)
        para_list.append(self.para_change_progress_value)
        para_list.append(self.para_change_reset_value)
        para_list.append(self.para_change_trigger_value)
        para_list.append(self.para_change_min_range)
        para_list.append(self.para_change_max_range)
        para_list.append(self.para_show_percent)
        para_list.append(self.para_show_current_max)

        # build parameter list to send to Core
        self.pl_send_new_parameter_list(para_list)

        return True

    def show_context_menu(self, pos):
        gloPos = self.progressbar.mapToGlobal(pos)
        self.cmenu = self.pl_create_control_context_menu()
        self.cmenu.exec_(gloPos)

    def cb_pause(self):
        # will be called, when plugin gets paused
        # can be used to get plugin in a defined state before pause
        # e.a. close communication ports, files etc.
        pass

    def cb_resume(self):
        # will be called when plugin gets resumed
        # can be used to wake up the plugin from defined pause state
        # e.a. reopen communication ports, files etc.
        pass

    def cb_execute(self, Data=None, block_name = None, plugin_uname = None):
        # Do main work here!
        # If this plugin is an IOP plugin, then there will be no Data parameter because it wont get data
        # If this plugin is a DPP, then it will get Data with data

        # param: Data is a Data hash and block_name is the block_name of Data origin
        # Data is a hash, so use ist like:  Data[CORE_TIME_SIGNAL] = [t1, t2, ...] where CORE_TIME_SIGNAL is a signal_name
        # hash signal_name: value

        # Data could have multiple types stored in it e.a. Data['d1'] = int, Data['d2'] = []

        if self.reset_trigger_value in Data:
            self.reset()
#.........这里部分代码省略.........