Python PyQt5.QtWidgets.QApplication.processEvents() Examples

def test_delete_save(modeler, mgr, model):
    path = "test_delete_save.uamodel"
    val = 0.99
    modeler.tree_ui.expand_to_node("Objects")
    obj_node = mgr.add_folder(1, "myobj")
    obj2_node = mgr.add_folder(1, "myobj2")
    QApplication.processEvents()
    modeler.tree_ui.expand_to_node("myobj2")
    var_node = mgr.add_variable(1, "myvar", val)
    mgr.save_ua_model(path)
    mgr.save_xml(path)

    QApplication.processEvents()
    modeler.tree_ui.expand_to_node(obj2_node)
    mgr.delete_node(obj2_node)
    mgr.save_ua_model(path)
    mgr.save_xml(path)
    assert obj2_node not in mgr.new_nodes
    assert var_node not in mgr.new_nodes 

def initProgressbar(self, maximum):
        if self.pb is not None:
            self.pb.setValue(0)
            self.pb.setMaximum(maximum)
            QApplication.processEvents() 

def updateSigProgress(self, percent):
        # -1 simply adds a waiting message to the actual progress
        if percent == -1:
            t = self.mBox2.text()
            messageText = t + "<br>Please confirm action on your Trezor device..."
        else:
            messageText = self.messageText + "Signature Progress: <b style='color:red'>" + str(percent) + " %</b>"
        self.mBox2.setText(messageText)
        QApplication.processEvents()



# From trezorlib.btc 

def updateSigProgress(self, percent):
        messageText = self.messageText + "Signature Progress: <b style='color:red'>" + str(percent) + " %</b>"
        self.mBox2.setText(messageText)
        QApplication.processEvents() 

def test_participant_table(self):
        stc = self.form.simulator_tab_controller  # type: SimulatorTabController
        stc.ui.tabWidget.setCurrentIndex(2)
        self.assertEqual(stc.participant_table_model.rowCount(), 0)

        for i in range(3):
            stc.ui.btnAddParticipant.click()

        QApplication.processEvents()
        self.assertEqual(stc.participant_table_model.rowCount(), 3)

        participants = stc.project_manager.participants
        self.assertEqual(participants[0].name, "Alice")
        self.assertEqual(participants[1].name, "Bob")
        self.assertEqual(participants[2].name, "Carl")

        stc.ui.tableViewParticipants.selectRow(1)
        stc.ui.btnUp.click()

        self.assertEqual(participants[0].name, "Bob")
        self.assertEqual(participants[1].name, "Alice")
        self.assertEqual(participants[2].name, "Carl")

        stc.ui.btnDown.click()

        self.assertEqual(participants[0].name, "Alice")
        self.assertEqual(participants[1].name, "Bob")
        self.assertEqual(participants[2].name, "Carl")

        stc.ui.btnDown.click()

        self.assertEqual(participants[0].name, "Alice")
        self.assertEqual(participants[1].name, "Carl")
        self.assertEqual(participants[2].name, "Bob") 

def clearMessage(self):
        """Clear message on the splash image"""
        super(SplashScreen, self).clearMessage()
        QApplication.processEvents() 

def showMessage(self, msg):
        """Show the progress message on the splash image"""
        super(SplashScreen, self).showMessage(msg, self.labelAlignment, Qt.white)
        QApplication.processEvents() 

def update(self, value):
            if self.dialog:
                self.dialog.setValue(value)
                QApplication.processEvents()
            else:
                print('Progress: %.2f%% done' % value) 

def _repr_png_(self):
        """This is used by ipython to plot inline.
        """
        app.process_events()
        QApplication.processEvents()

        img = read_pixels()
        return bytes(_make_png(img)) 

def updateProgressbar(self):
        if self.pb is not None:
            self.pb.setValue(self.pb.value() + 1)
            QApplication.processEvents() 

def _click_js(self, _click_target: usertypes.ClickTarget) -> None:
        # FIXME:qtwebengine Have a proper API for this
        # pylint: disable=protected-access
        view = self._tab._widget
        assert view is not None
        # pylint: enable=protected-access
        attribute = QWebEngineSettings.JavascriptCanOpenWindows
        could_open_windows = view.settings().testAttribute(attribute)
        view.settings().setAttribute(attribute, True)

        # Get QtWebEngine do apply the settings
        # (it does so with a 0ms QTimer...)
        # This is also used in Qt's tests:
        # https://github.com/qt/qtwebengine/commit/5e572e88efa7ba7c2b9138ec19e606d3e345ac90
        QApplication.processEvents(  # type: ignore[call-overload]
            QEventLoop.ExcludeSocketNotifiers |
            QEventLoop.ExcludeUserInputEvents)

        def reset_setting(_arg: typing.Any) -> None:
            """Set the JavascriptCanOpenWindows setting to its old value."""
            assert view is not None
            try:
                view.settings().setAttribute(attribute, could_open_windows)
            except RuntimeError:
                # Happens if this callback gets called during QWebEnginePage
                # destruction, i.e. if the tab was closed in the meantime.
                pass

        self._js_call('click', callback=reset_setting) 

def resizeEvent(self, _):
        """
        @type _: QMouseEvent
        @param _:
        @return:
        """
        self.surface.updateVideoRect()
        self.update()
        # Magnifier Glass
        if self._interaction.magnifier and not self.dragPos.isNull():
            draw.drawMagnifierOnVideo(self, self.dragPos, self.currentFrame(), self.painter)
        # QApplication.processEvents() 

def UpdateSurface(self):
        ''' Update Video Surface only is is stopped or paused '''
        if self.parent.playerState in (QMediaPlayer.StoppedState,
                                       QMediaPlayer.PausedState):
            self.update()
        QApplication.processEvents() 

def clear_widgets(self):
        item = self.layout().takeAt(0)
        if item:
            item.widget().hide()
            item.widget().setParent(None)
        QApplication.processEvents() 

def tick(self):
        """Increase the displayed progress value."""
        self._value += 1
        if self._progress is not None:
            self._progress.setValue(self._value)
            QApplication.processEvents() 

def start(self, text, maximum):
        """Start showing a progress dialog."""
        self._progress = QProgressDialog()
        self._progress.setMinimumDuration(500)
        self._progress.setLabelText(text)
        self._progress.setMaximum(maximum)
        self._progress.setCancelButton(None)
        self._progress.show()
        QApplication.processEvents() 

def test_structs_2(modeler, mgr):
    mgr.new_model()

    urns = modeler.get_current_server().get_namespace_array()
    ns_node = mgr.server_mgr.get_node(ua.ObjectIds.Server_NamespaceArray)
    urns = ns_node.get_value()
    urns.append("urn://modeller/testing")
    ns_node.set_value(urns)

    path = "test_save_structs_2.xml"

    struct_node = mgr.server_mgr.get_node(ua.ObjectIds.Structure)
    modeler.tree_ui.expand_to_node(struct_node)
    mystruct = mgr.add_data_type(1, "MyStruct")
    QApplication.processEvents()
    modeler.tree_ui.expand_to_node("MyStruct")
    var_node = mgr.add_variable(1, "myvar", 0.1)

    mgr.save_xml(path)
    mgr.close_model()
    mgr.open_xml(path)

    struct_node = mgr.server_mgr.get_node(ua.ObjectIds.Structure)
    mystruct_node = struct_node.get_child("1:MyStruct")
    var2_node = mystruct_node.add_variable(1, "myvar2", 0.2)
    # following code break...why??!?!??!
    #QApplication.processEvents()
    #modeler.tree_ui.expand_to_node("MyStruct")
    #var2_node = mgr.add_variable(1, "myvar2", 0.2)

    mgr.save_xml(path)
    mgr.close_model()
    mgr.open_xml(path)

    struct_node = mgr.server_mgr.get_node(ua.ObjectIds.Structure)
    mystruct = struct_node.get_child("1:MyStruct")
    assert len(mystruct.get_children()) == 2

    mgr.server_mgr.load_type_definitions()

    st = ua.MyStruct()
    assert hasattr(st, "myvar")
    assert hasattr(st, "myvar2")
    mgr.close_model()