def __init__(self, parent):
        QWidget.__init__(self, parent)

        vert_layout = QVBoxLayout()

        # Type frame
        type_layout = QHBoxLayout()
        type_label = QLabel(_("Import as"))
        type_layout.addWidget(type_label)

        self.array_btn = array_btn = QRadioButton(_("array"))
        array_btn.setEnabled(ndarray is not FakeObject)
        array_btn.setChecked(ndarray is not FakeObject)
        type_layout.addWidget(array_btn)

        list_btn = QRadioButton(_("list"))
        list_btn.setChecked(not array_btn.isChecked())
        type_layout.addWidget(list_btn)

        if pd:
            self.df_btn = df_btn = QRadioButton(_("DataFrame"))
            df_btn.setChecked(False)
            type_layout.addWidget(df_btn)

        h_spacer = QSpacerItem(40, 20,
                               QSizePolicy.Expanding, QSizePolicy.Minimum)
        type_layout.addItem(h_spacer)
        type_frame = QFrame()
        type_frame.setLayout(type_layout)

        self._table_view = PreviewTable(self)
        vert_layout.addWidget(type_frame)
        vert_layout.addWidget(self._table_view)
        self.setLayout(vert_layout)

 def __init__(self, parent=None):
     QFrame.__init__(self, parent)
     PyDMPrimitiveWidget.__init__(self)
     self._template_filename = ""
     self._count_shown_in_designer = 1
     self._data_source = ""
     self._data = []
     self._cached_template = None
     self._layout_type = LayoutType.Vertical
     self.app = QApplication.instance()
     self.rebuild()

    def __init__(self, parent):
        QFrame.__init__(self, parent)

        self._webview = WebView(self)

        layout = QHBoxLayout()
        layout.addWidget(self._webview)
        layout.setContentsMargins(0, 0, 0, 0)
        self.setLayout(layout)

        self.setFrameStyle(QFrame.StyledPanel | QFrame.Sunken)

        self._webview.linkClicked.connect(self.linkClicked)

 def __init__(self, parent=None):
     QFrame.__init__(self, parent)
     PyDMPrimitiveWidget.__init__(self)
     self.app = QApplication.instance()
     self._filename = None
     self._macros = None
     self._embedded_widget = None
     self._disconnect_when_hidden = True
     self._is_connected = False
     self.layout = QVBoxLayout(self)
     self.err_label = QLabel(self)
     self.err_label.setAlignment(Qt.AlignHCenter)
     self.layout.addWidget(self.err_label)
     self.layout.setContentsMargins(0, 0, 0, 0)
     self.err_label.hide()
     if not is_pydm_app():
         self.setFrameShape(QFrame.Box)
     else:
         self.setFrameShape(QFrame.NoFrame)

 def __init__(self, parent=None, init_channel=None):
     QFrame.__init__(self, parent)
     PyDMWritableWidget.__init__(self, init_channel=init_channel)
     self.alarmSensitiveContent = True
     self.alarmSensitiveBorder = False
     # Internal values for properties
     self._show_limit_labels = True
     self._show_value_label = True
     self._user_defined_limits = False
     self._needs_limit_info = True
     self._minimum = None
     self._maximum = None
     self._user_minimum = -10.0
     self._user_maximum = 10.0
     self._num_steps = 101
     self._orientation = Qt.Horizontal
     # Set up all the internal widgets that make up a PyDMSlider.
     # We'll add all these things to layouts when we call setup_widgets_for_orientation
     label_size_policy = QSizePolicy(QSizePolicy.Maximum, QSizePolicy.Fixed)
     self.low_lim_label = QLabel(self)
     self.low_lim_label.setObjectName("lowLimLabel")
     self.low_lim_label.setSizePolicy(label_size_policy)
     self.low_lim_label.setAlignment(Qt.AlignLeft | Qt.AlignTrailing | Qt.AlignVCenter)
     self.value_label = QLabel(self)
     self.value_label.setObjectName("valueLabel")
     self.value_label.setAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
     self.high_lim_label = QLabel(self)
     self.high_lim_label.setObjectName("highLimLabel")
     self.high_lim_label.setSizePolicy(label_size_policy)
     self.high_lim_label.setAlignment(Qt.AlignRight | Qt.AlignTrailing | Qt.AlignVCenter)
     self._slider = QSlider(parent=self)
     self._slider.setOrientation(Qt.Horizontal)
     self._slider.sliderMoved.connect(self.internal_slider_moved)
     self._slider.sliderPressed.connect(self.internal_slider_pressed)
     self._slider.sliderReleased.connect(self.internal_slider_released)
     self._slider.valueChanged.connect(self.internal_slider_value_changed)
     # self.vertical_layout.addWidget(self._slider)
     # Other internal variables and final setup steps
     self._slider_position_to_value_map = None
     self._mute_internal_slider_changes = False
     self.setup_widgets_for_orientation(self._orientation)
     self.reset_slider_limits()

    def setup_ui(self):
        self.setWindowTitle("Add New Grain")
        self.setWindowIcon(QIcon(RESOURCE_PATH + "icons/nakka-finocyl.gif"))

        self.resize(400, 400)

        controls = QGridLayout()
        gb_frame = QGroupBox(self.tr("Grain Design"))
        gb_frame.setLayout(controls)
        
        self.cb_grain_type = QComboBox()

        # TODO: make grain types auto propagate combobox
        self.cb_grain_type.addItems([self.tr("Cylindrical (BATES)")])
        controls.addWidget(QLabel(self.tr("Core Shape")), 0, 0)
        controls.addWidget(self.cb_grain_type, 0, 1)

        self.cb_propellant_type = QComboBox()
        self.cb_propellant_type.addItems(app_context.propellant_db.propellant_names())
        controls.addWidget(QLabel(self.tr("Propellant Type")), 1, 0)
        controls.addWidget(self.cb_propellant_type, 1, 1)

        # ok and cancel buttons
        btn_ok = QPushButton(self.tr("Apply"))
        btn_ok.clicked.connect(self.confirm_grain)
        btn_cancel = QPushButton(self.tr("Close"))
        btn_cancel.clicked.connect(self.close)

        lay_btns = QHBoxLayout()
        lay_btns.addWidget(btn_ok)
        lay_btns.addWidget(btn_cancel)
        frame_btns = QFrame()
        frame_btns.setLayout(lay_btns)

        # master layout
        master = QVBoxLayout()
        master.addWidget(gb_frame)
        master.addSpacing(10)
        master.addWidget(frame_btns)
        self.setLayout(master)

    def __init__(self, img, layout='vertical', order=['R', 'G', 'B', 'V']):
        QFrame.__init__(self)

        r, g, b, v = histograms(img, 100)
        self.r_hist = ColorHistogram(r, (255, 0, 0))
        self.g_hist = ColorHistogram(g, (0, 255, 0))
        self.b_hist = ColorHistogram(b, (0, 0, 255))
        self.v_hist = ColorHistogram(v, (0, 0, 0))

        self.setFrameStyle(QFrame.StyledPanel | QFrame.Sunken)
        self.layout = QGridLayout(self)
        self.layout.setContentsMargins(0, 0, 0, 0)

        order_map = {'R': self.r_hist, 'G': self.g_hist, 'B': self.b_hist,
                     'V': self.v_hist}

        if layout == 'vertical':
            for i in range(len(order)):
                self.layout.addWidget(order_map[order[i]], i, 0)
        elif layout == 'horizontal':
            for i in range(len(order)):
                self.layout.addWidget(order_map[order[i]], 0, i)

    def __init__(self, parent=None, init_channel=None):
        QFrame.__init__(self, parent)
        PyDMWidget.__init__(self, init_channel=init_channel)
        self._show_value = True
        self._show_limits = True

        self.scale_indicator = QScale()
        self.value_label = QLabel()
        self.lower_label = QLabel()
        self.upper_label = QLabel()

        self.value_label.setText('<val>')
        self.lower_label.setText('<min>')
        self.upper_label.setText('<max>')

        self._value_position = Qt.TopEdge
        self._limits_from_channel = True
        self._user_lower_limit = 0
        self._user_upper_limit = 0

        self.value_label.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)
        self.setup_widgets_for_orientation(Qt.Horizontal, False, False, self._value_position)

    def setup_ui(self):
        """setup the tab widget UI"""
        self.tab_widget = QTabWidget()
        self.tab_widget.addTab(DesignTab(), "Design")
        self.tab_widget.addTab(QWidget(), "Simulation")
        self.tab_widget.addTab(QWidget(), "Propellants")

        self.layout = QVBoxLayout()
        self.layout.addWidget(self.tab_widget)
        self.frame = QFrame()
        self.frame.setLayout(self.layout)

        self.setCentralWidget(self.frame)

    def __init__(self):
        QFrame.__init__(self)
        self.setFrameStyle(QFrame.Box | QFrame.Sunken)

        self.posx_label = QLabel('X-pos:')
        self.posx_value = QLabel()
        self.posy_label = QLabel('Y-pos:')
        self.posy_value = QLabel()
        self.r_label = QLabel('R:')
        self.r_value = QLabel()
        self.g_label = QLabel('G:')
        self.g_value = QLabel()
        self.b_label = QLabel('B:')
        self.b_value = QLabel()
        self.h_label = QLabel('H:')
        self.h_value = QLabel()
        self.s_label = QLabel('S:')
        self.s_value = QLabel()
        self.v_label = QLabel('V:')
        self.v_value = QLabel()

        self.layout = QGridLayout(self)
        self.layout.addWidget(self.posx_label, 0, 0)
        self.layout.addWidget(self.posx_value, 0, 1)
        self.layout.addWidget(self.posy_label, 1, 0)
        self.layout.addWidget(self.posy_value, 1, 1)
        self.layout.addWidget(self.r_label, 0, 2)
        self.layout.addWidget(self.r_value, 0, 3)
        self.layout.addWidget(self.g_label, 1, 2)
        self.layout.addWidget(self.g_value, 1, 3)
        self.layout.addWidget(self.b_label, 2, 2)
        self.layout.addWidget(self.b_value, 2, 3)
        self.layout.addWidget(self.h_label, 0, 4)
        self.layout.addWidget(self.h_value, 0, 5)
        self.layout.addWidget(self.s_label, 1, 4)
        self.layout.addWidget(self.s_value, 1, 5)
        self.layout.addWidget(self.v_label, 2, 4)
        self.layout.addWidget(self.v_value, 2, 5)

 def __init__(self, parent=None):
     QFrame.__init__(self, parent)
     self.ui = load_ui(__file__, '../../../ui/inelastic/dgs_sample_setup.ui', baseinstance=self)

    def __init__(self, parent=None):
        QWidget.__init__(self, parent)

        self.dir = None
        self.runconf = RunConfiguration()
        firstrun_o = CONF.get('run', ALWAYS_OPEN_FIRST_RUN_OPTION, False)

        # --- Interpreter ---
        interpreter_group = QGroupBox(_("Console"))
        interpreter_layout = QVBoxLayout()
        interpreter_group.setLayout(interpreter_layout)

        self.current_radio = QRadioButton(CURRENT_INTERPRETER)
        interpreter_layout.addWidget(self.current_radio)

        self.dedicated_radio = QRadioButton(DEDICATED_INTERPRETER)
        interpreter_layout.addWidget(self.dedicated_radio)

        self.systerm_radio = QRadioButton(SYSTERM_INTERPRETER)
        interpreter_layout.addWidget(self.systerm_radio)

        # --- General settings ----
        common_group = QGroupBox(_("General settings"))
        common_layout = QGridLayout()
        common_group.setLayout(common_layout)

        self.clear_var_cb = QCheckBox(CLEAR_ALL_VARIABLES)
        common_layout.addWidget(self.clear_var_cb, 0, 0)

        self.post_mortem_cb = QCheckBox(POST_MORTEM)
        common_layout.addWidget(self.post_mortem_cb, 1, 0)

        self.clo_cb = QCheckBox(_("Command line options:"))
        common_layout.addWidget(self.clo_cb, 2, 0)
        self.clo_edit = QLineEdit()
        self.clo_cb.toggled.connect(self.clo_edit.setEnabled)
        self.clo_edit.setEnabled(False)
        common_layout.addWidget(self.clo_edit, 2, 1)

        # --- Working directory ---
        wdir_group = QGroupBox(_("Working Directory settings"))
        wdir_layout = QVBoxLayout()
        wdir_group.setLayout(wdir_layout)

        self.file_dir_radio = QRadioButton(FILE_DIR)
        wdir_layout.addWidget(self.file_dir_radio)

        self.cwd_radio = QRadioButton(CW_DIR)
        wdir_layout.addWidget(self.cwd_radio)

        fixed_dir_layout = QHBoxLayout()
        self.fixed_dir_radio = QRadioButton(FIXED_DIR)
        fixed_dir_layout.addWidget(self.fixed_dir_radio)
        self.wd_edit = QLineEdit()
        self.fixed_dir_radio.toggled.connect(self.wd_edit.setEnabled)
        self.wd_edit.setEnabled(False)
        fixed_dir_layout.addWidget(self.wd_edit)
        browse_btn = QPushButton(ima.icon('DirOpenIcon'), '', self)
        browse_btn.setToolTip(_("Select directory"))
        browse_btn.clicked.connect(self.select_directory)
        fixed_dir_layout.addWidget(browse_btn)
        wdir_layout.addLayout(fixed_dir_layout)

        # --- System terminal ---
        external_group = QGroupBox(_("External system terminal"))
        external_group.setDisabled(True)

        self.systerm_radio.toggled.connect(external_group.setEnabled)

        external_layout = QGridLayout()
        external_group.setLayout(external_layout)
        self.interact_cb = QCheckBox(INTERACT)
        external_layout.addWidget(self.interact_cb, 1, 0, 1, -1)

        self.pclo_cb = QCheckBox(_("Command line options:"))
        external_layout.addWidget(self.pclo_cb, 3, 0)
        self.pclo_edit = QLineEdit()
        self.pclo_cb.toggled.connect(self.pclo_edit.setEnabled)
        self.pclo_edit.setEnabled(False)
        self.pclo_edit.setToolTip(_("<b>-u</b> is added to the "
                                    "other options you set here"))
        external_layout.addWidget(self.pclo_edit, 3, 1)

        # Checkbox to preserve the old behavior, i.e. always open the dialog
        # on first run
        hline = QFrame()
        hline.setFrameShape(QFrame.HLine)
        hline.setFrameShadow(QFrame.Sunken)
        self.firstrun_cb = QCheckBox(ALWAYS_OPEN_FIRST_RUN % _("this dialog"))
        self.firstrun_cb.clicked.connect(self.set_firstrun_o)
        self.firstrun_cb.setChecked(firstrun_o)

        layout = QVBoxLayout()
        layout.addWidget(interpreter_group)
        layout.addWidget(common_group)
        layout.addWidget(wdir_group)
        layout.addWidget(external_group)
        layout.addWidget(hline)
        layout.addWidget(self.firstrun_cb)
        self.setLayout(layout)

        def setup_grain_design():
            # grain table view
            master = QHBoxLayout(self)
            master.addWidget(QTableView())

            # grain design controls
            controls = QVBoxLayout(self)
            # add a push button
            self.btn_new_grain = QPushButton(self.tr("New Grain"))
            self.btn_new_grain.setMinimumHeight(50)
            controls.addWidget(self.btn_new_grain)

            # add a dividing line
            line = QFrame()
            line.setFrameShape(QFrame.HLine)
            line.setFrameShadow(QFrame.Sunken)
            controls.addSpacing(5)
            controls.addWidget(line)

            # rest of the controls buttons
            self.btn_edit_grain = QPushButton(self.tr("Edit"))
            self.btn_edit_grain.setMinimumHeight(30)
            controls.addWidget(self.btn_edit_grain)
            self.btn_delete_Grain = QPushButton(self.tr("Delete"))
            self.btn_delete_Grain.setMinimumHeight(30)
            controls.addWidget(self.btn_delete_Grain)

            # move grain up and down
            moveup = QHBoxLayout()
            self.btn_move_up = QToolButton()
            self.btn_move_up.setArrowType(Qt.UpArrow)
            moveup.addWidget(self.btn_move_up)
            moveup.addWidget(QLabel(self.tr("Move Up")))
            controls.addLayout(moveup)

            movedown = QHBoxLayout()
            self.btn_move_down = QToolButton()
            self.btn_move_down.setArrowType(Qt.DownArrow)
            movedown.addWidget(self.btn_move_down)
            movedown.addWidget(QLabel(self.tr("Move Down")))
            controls.addLayout(movedown)
            controls.addStretch()

            # add info for motor design
            fl_propellant_info = QFormLayout()
            gb_motor_info = QGroupBox(self.tr("Propellant Info"))
            gb_motor_info.setLayout(fl_propellant_info)

            self.lbl_num_grains = QLabel()
            fl_propellant_info.addRow(QLabel(self.tr("Number of Segments:")), self.lbl_num_grains)
            self.lbl_motor_dia = QLabel()
            fl_propellant_info.addRow(QLabel(self.tr("Motor Diameter:")), self.lbl_motor_dia)
            self.lbl_motor_len = QLabel()
            fl_propellant_info.addRow(QLabel(self.tr("Propellant Length:")), self.lbl_motor_len)
            self.lbl_prop_mass = QLabel()
            fl_propellant_info.addRow(QLabel(self.tr("Propellant Mass:")), self.lbl_prop_mass)
            self.lbl_volume_loading = QLabel()
            fl_propellant_info.addRow(QLabel(self.tr("Volume Loading:")), self.lbl_volume_loading)

            # set group box's layout
            controls.addWidget(gb_motor_info)

            # setup master layout
            master.addLayout(controls)
            self.gb_design = QGroupBox(self.tr("Grain Design"))
            self.gb_design.setLayout(master)

class SkiviImageWindow(QMainWindow):
    def __init__(self, arr, mgr):
        QMainWindow.__init__(self)

        self.arr = arr

        self.mgr = mgr
        self.main_widget = QWidget()
        self.layout = QGridLayout(self.main_widget)
        self.setCentralWidget(self.main_widget)

        self.label = ImageLabel(self, arr)
        self.label_container = QFrame()
        self.label_container.setFrameShape(QFrame.StyledPanel | QFrame.Sunken)
        self.label_container.setLineWidth(1)

        self.label_container.layout = QGridLayout(self.label_container)
        self.label_container.layout.setContentsMargins(0, 0, 0, 0)
        self.label_container.layout.addWidget(self.label, 0, 0)
        self.layout.addWidget(self.label_container, 0, 0)

        self.mgr.add_window(self)
        self.main_widget.show()

        self.setWindowTitle('Skivi - The skimage viewer.')

        self.mixer_panel = MixerPanel(self.arr)
        self.layout.addWidget(self.mixer_panel, 0, 2)
        self.mixer_panel.show()
        self.mixer_panel.set_callback(self.refresh_image)

        self.rgbv_hist = QuadHistogram(self.arr)
        self.layout.addWidget(self.rgbv_hist, 0, 1)
        self.rgbv_hist.show()

        self.rgb_hsv_disp = RGBHSVDisplay()
        self.layout.addWidget(self.rgb_hsv_disp, 1, 0)
        self.rgb_hsv_disp.show()

        self.layout.setColumnStretch(0, 1)
        self.layout.setRowStretch(0, 1)

        self.save_file = QtWidgets.QPushButton('Save to File')
        self.save_file.clicked.connect(self.save_to_file)
        self.save_stack = QtWidgets.QPushButton('Save to Stack')
        self.save_stack.clicked.connect(self.save_to_stack)
        self.save_file.show()
        self.save_stack.show()

        self.layout.addWidget(self.save_stack, 1, 1)
        self.layout.addWidget(self.save_file, 1, 2)

    def closeEvent(self, event):
        # Allow window to be destroyed by removing any
        # references to it
        self.mgr.remove_window(self)

    def update_histograms(self):
        self.rgbv_hist.update_hists(self.arr)

    def refresh_image(self):
        self.label.update_image()
        self.update_histograms()

    def scale_mouse_pos(self, x, y):
                width = self.label.pm.width()
                height = self.label.pm.height()
                x_frac = 1. * x / width
                y_frac = 1. * y / height
                width = self.arr.shape[1]
                height = self.arr.shape[0]
                new_x = int(width * x_frac)
                new_y = int(height * y_frac)
                return(new_x, new_y)

    def label_mouseMoveEvent(self, evt):
        x = evt.x()
        y = evt.y()
        x, y = self.scale_mouse_pos(x, y)

        # handle tracking out of array bounds
        maxw = self.arr.shape[1]
        maxh = self.arr.shape[0]
        if x >= maxw or y >= maxh or x < 0 or y < 0:
            r = g = b = h = s = v = ''
        else:
            r = self.arr[y, x, 0]
            g = self.arr[y, x, 1]
            b = self.arr[y, x, 2]
            h, s, v = self.mixer_panel.mixer.rgb_2_hsv_pixel(r, g, b)

        self.rgb_hsv_disp.update_vals((x, y, r, g, b, h, s, v))

    def save_to_stack(self):
        from ... import io
        img = self.arr.copy()
        io.push(img)
        msg = dedent('''
            The image has been pushed to the io stack.
            Use io.pop() to retrieve the most recently
#.........这里部分代码省略.........

    def __init__(self, presenter, parent = None, name = '', isMD=False, noExp = 0):
        super(SampleLogsView, self).__init__(parent)

        self.presenter = presenter

        self.setWindowTitle("{} sample logs".format(name))
        self.setWindowFlags(Qt.Window)

        # Create sample log table
        self.table = QTableView()
        self.table.setSelectionBehavior(QAbstractItemView.SelectRows)
        self.table.clicked.connect(self.presenter.clicked)
        self.table.doubleClicked.connect(self.presenter.doubleClicked)
        self.table.contextMenuEvent = self.tableMenu
        self.addWidget(self.table)

        frame_right = QFrame()
        layout_right = QVBoxLayout()

        #Add full_time and experimentinfo options
        layout_options = QHBoxLayout()

        if isMD:
            layout_options.addWidget(QLabel("Experiment Info #"))
            self.experimentInfo = QSpinBox()
            self.experimentInfo.setMaximum(noExp-1)
            self.experimentInfo.valueChanged.connect(self.presenter.changeExpInfo)
            layout_options.addWidget(self.experimentInfo)

        self.full_time = QCheckBox("Relative Time")
        self.full_time.setChecked(True)
        self.full_time.stateChanged.connect(self.presenter.plot_logs)
        layout_options.addWidget(self.full_time)
        layout_right.addLayout(layout_options)

        # Sample log plot
        self.fig = Figure()
        self.canvas = FigureCanvas(self.fig)
        self.canvas.setSizePolicy(QSizePolicy.Expanding,QSizePolicy.Expanding)
        self.canvas.mpl_connect('button_press_event', self.presenter.plot_clicked)
        self.ax = self.fig.add_subplot(111, projection='mantid')
        layout_right.addWidget(self.canvas)

        # Sample stats
        self.create_stats_widgets()
        layout_stats = QFormLayout()
        layout_stats.addRow('', QLabel("Log Statistics"))
        layout_stats.addRow('Min:', self.stats_widgets["minimum"])
        layout_stats.addRow('Max:', self.stats_widgets["maximum"])
        layout_stats.addRow('Mean:', self.stats_widgets["mean"])
        layout_stats.addRow('Median:', self.stats_widgets["median"])
        layout_stats.addRow('Std Dev:', self.stats_widgets["standard_deviation"])
        layout_stats.addRow('Time Avg:', self.stats_widgets["time_mean"])
        layout_stats.addRow('Time Std Dev:', self.stats_widgets["time_standard_deviation"])
        layout_stats.addRow('Duration:', self.stats_widgets["duration"])
        layout_right.addLayout(layout_stats)
        frame_right.setLayout(layout_right)

        self.addWidget(frame_right)
        self.setStretchFactor(0,1)

        self.resize(1200,800)
        self.show()

    def __init__(self, parent=None):
        QWidget.__init__(self, parent)

        self.current_radio = None
        self.dedicated_radio = None
        self.systerm_radio = None

        self.runconf = RunConfiguration()

        firstrun_o = CONF.get("run", ALWAYS_OPEN_FIRST_RUN_OPTION, False)

        # --- General settings ----
        common_group = QGroupBox(_("General settings"))
        common_layout = QGridLayout()
        common_group.setLayout(common_layout)
        self.clo_cb = QCheckBox(_("Command line options:"))
        common_layout.addWidget(self.clo_cb, 0, 0)
        self.clo_edit = QLineEdit()
        self.clo_cb.toggled.connect(self.clo_edit.setEnabled)
        self.clo_edit.setEnabled(False)
        common_layout.addWidget(self.clo_edit, 0, 1)
        self.wd_cb = QCheckBox(_("Working directory:"))
        common_layout.addWidget(self.wd_cb, 1, 0)
        wd_layout = QHBoxLayout()
        self.wd_edit = QLineEdit()
        self.wd_cb.toggled.connect(self.wd_edit.setEnabled)
        self.wd_edit.setEnabled(False)
        wd_layout.addWidget(self.wd_edit)
        browse_btn = QPushButton(ima.icon("DirOpenIcon"), "", self)
        browse_btn.setToolTip(_("Select directory"))
        browse_btn.clicked.connect(self.select_directory)
        wd_layout.addWidget(browse_btn)
        common_layout.addLayout(wd_layout, 1, 1)
        self.post_mortem_cb = QCheckBox(_("Enter debugging mode when " "errors appear during execution"))
        common_layout.addWidget(self.post_mortem_cb)

        # --- Interpreter ---
        interpreter_group = QGroupBox(_("Console"))
        interpreter_layout = QVBoxLayout()
        interpreter_group.setLayout(interpreter_layout)
        self.current_radio = QRadioButton(CURRENT_INTERPRETER)
        interpreter_layout.addWidget(self.current_radio)
        self.dedicated_radio = QRadioButton(DEDICATED_INTERPRETER)
        interpreter_layout.addWidget(self.dedicated_radio)
        self.systerm_radio = QRadioButton(SYSTERM_INTERPRETER)
        interpreter_layout.addWidget(self.systerm_radio)

        # --- Dedicated interpreter ---
        new_group = QGroupBox(_("Dedicated Python console"))
        self.current_radio.toggled.connect(new_group.setDisabled)
        new_layout = QGridLayout()
        new_group.setLayout(new_layout)
        self.interact_cb = QCheckBox(_("Interact with the Python " "console after execution"))
        new_layout.addWidget(self.interact_cb, 1, 0, 1, -1)

        self.show_kill_warning_cb = QCheckBox(_("Show warning when killing" " running process"))

        new_layout.addWidget(self.show_kill_warning_cb, 2, 0, 1, -1)
        self.pclo_cb = QCheckBox(_("Command line options:"))
        new_layout.addWidget(self.pclo_cb, 3, 0)
        self.pclo_edit = QLineEdit()
        self.pclo_cb.toggled.connect(self.pclo_edit.setEnabled)
        self.pclo_edit.setEnabled(False)
        self.pclo_edit.setToolTip(_("<b>-u</b> is added to the " "other options you set here"))
        new_layout.addWidget(self.pclo_edit, 3, 1)

        # Checkbox to preserve the old behavior, i.e. always open the dialog
        # on first run
        hline = QFrame()
        hline.setFrameShape(QFrame.HLine)
        hline.setFrameShadow(QFrame.Sunken)
        self.firstrun_cb = QCheckBox(ALWAYS_OPEN_FIRST_RUN % _("this dialog"))
        self.firstrun_cb.clicked.connect(self.set_firstrun_o)
        self.firstrun_cb.setChecked(firstrun_o)

        layout = QVBoxLayout()
        layout.addWidget(interpreter_group)
        layout.addWidget(common_group)
        layout.addWidget(new_group)
        layout.addWidget(hline)
        layout.addWidget(self.firstrun_cb)
        self.setLayout(layout)

class MainWindow(QMainWindow):
    """OpenBurn's main window"""
    title = "OpenBurn"

    def __init__(self):
        super(MainWindow, self).__init__()
        self.setWindowTitle(self.title)
        self.setGeometry(100, 100, 800, 600)
        self.setWindowIcon(QIcon(RESOURCE_PATH + "icons/nakka-finocyl.gif"))

        self.create_default_widgets()
        self.setup_ui()

    def create_default_widgets(self):
        """Creates static widgets such as menubar and statusbar"""

        def create_menubar():
            """Create menu bar and populate it with sub menu actions"""

            def file_menu():

                """Create a file submenu"""
                self.file_sub_menu = self.menubar.addMenu('File')

                self.open_action = QAction('Open File', self)
                self.open_action.setStatusTip('Open a new design')
                self.open_action.setShortcut('CTRL+O')
                # self.open_action.triggered.connect(self.open_file)

                self.exit_action = QAction('Exit', self)
                self.exit_action.setStatusTip('Exit the application.')
                self.exit_action.setShortcut('CTRL+Q')
                self.exit_action.triggered.connect(QApplication.quit)

                self.file_sub_menu.addAction(self.open_action)
                self.file_sub_menu.addAction(self.exit_action)

            def edit_menu():
                self.edit_dub_menu = self.menubar.addMenu('Edit')

            def tools_menu():
                self.edit_dub_menu = self.menubar.addMenu('Tools')

            def help_menu():
                """Create help submenu"""
                self.help_sub_menu = self.menubar.addMenu('Help')
                self.about_action = QAction('About', self)
                self.about_action.setStatusTip('About the application.')
                self.about_action.setShortcut('CTRL+H')
                self.about_action.triggered.connect(self.about_dialog.exec_)
                self.help_sub_menu.addAction(self.about_action)

            self.menubar = QMenuBar(self)
            file_menu()
            edit_menu()
            tools_menu()
            help_menu()

        def create_statusbar():
            self.statusbar = QStatusBar(self)
            self.statusbar.showMessage("Ready", 0)

        self.about_dialog = AboutDialog(self)

        create_menubar()
        self.setMenuBar(self.menubar)

        create_statusbar()
        self.setStatusBar(self.statusbar)

    def setup_ui(self):
        """setup the tab widget UI"""
        self.tab_widget = QTabWidget()
        self.tab_widget.addTab(DesignTab(), "Design")
        self.tab_widget.addTab(QWidget(), "Simulation")
        self.tab_widget.addTab(QWidget(), "Propellants")

        self.layout = QVBoxLayout()
        self.layout.addWidget(self.tab_widget)
        self.frame = QFrame()
        self.frame.setLayout(self.layout)

        self.setCentralWidget(self.frame)

    def __init__(self, parent=None, init_channel=None):
        QFrame.__init__(self, parent)
        PyDMWidget.__init__(self, init_channel=init_channel)

        self._disable_on_disconnect = False
        self.alarmSensitiveBorder = False

    def __init__(self, img):
        QFrame.__init__(self)
        # self.setFrameStyle(QFrame.Box | QFrame.Sunken)

        self.img = img
        self.mixer = ColorMixer(self.img)
        self.callback = None

        #---------------------------------------------------------------
        # ComboBox
        #---------------------------------------------------------------

        self.combo_box_entries = ['RGB Color', 'HSV Color',
                                  'Brightness/Contrast',
                                  'Gamma',
                                  'Gamma (Sigmoidal)']
        self.combo_box = QComboBox()
        for entry in self.combo_box_entries:
            self.combo_box.addItem(entry)
        self.combo_box.currentIndexChanged.connect(self.combo_box_changed)

        #---------------------------------------------------------------
        # RGB color sliders
        #---------------------------------------------------------------

        # radio buttons
        self.rgb_add = QRadioButton('Additive')
        self.rgb_mul = QRadioButton('Multiplicative')
        self.rgb_mul.toggled.connect(self.rgb_radio_changed)
        self.rgb_add.toggled.connect(self.rgb_radio_changed)

        # sliders
        rs = IntelligentSlider('R', 0.51, -255, self.rgb_changed)
        gs = IntelligentSlider('G', 0.51, -255, self.rgb_changed)
        bs = IntelligentSlider('B', 0.51, -255, self.rgb_changed)
        self.rs = rs
        self.gs = gs
        self.bs = bs

        self.rgb_widget = QWidget()
        self.rgb_widget.layout = QGridLayout(self.rgb_widget)
        self.rgb_widget.layout.addWidget(self.rgb_add, 0, 0, 1, 3)
        self.rgb_widget.layout.addWidget(self.rgb_mul, 1, 0, 1, 3)
        self.rgb_widget.layout.addWidget(self.rs, 2, 0)
        self.rgb_widget.layout.addWidget(self.gs, 2, 1)
        self.rgb_widget.layout.addWidget(self.bs, 2, 2)

        #---------------------------------------------------------------
        # HSV sliders
        #---------------------------------------------------------------
        # radio buttons
        self.hsv_add = QRadioButton('Additive')
        self.hsv_mul = QRadioButton('Multiplicative')
        self.hsv_mul.toggled.connect(self.hsv_radio_changed)
        self.hsv_mul.toggled.connect(self.hsv_radio_changed)

        # sliders
        hs = IntelligentSlider('H', 0.36, -180, self.hsv_changed)
        ss = IntelligentSlider('S', 0.002, 0, self.hsv_changed)
        vs = IntelligentSlider('V', 0.002, 0, self.hsv_changed)
        self.hs = hs
        self.ss = ss
        self.vs = vs

        self.hsv_widget = QWidget()
        self.hsv_widget.layout = QGridLayout(self.hsv_widget)
        self.hsv_widget.layout.addWidget(self.hsv_add, 0, 0, 1, 3)
        self.hsv_widget.layout.addWidget(self.hsv_mul, 1, 0, 1, 3)
        self.hsv_widget.layout.addWidget(self.hs, 2, 0)
        self.hsv_widget.layout.addWidget(self.ss, 2, 1)
        self.hsv_widget.layout.addWidget(self.vs, 2, 2)

        #---------------------------------------------------------------
        # Brightness/Contrast sliders
        #---------------------------------------------------------------
        # sliders
        cont = IntelligentSlider('x', 0.002, 0, self.bright_changed)
        bright = IntelligentSlider('+', 0.51, -255, self.bright_changed)
        self.cont = cont
        self.bright = bright

        # layout
        self.bright_widget = QWidget()
        self.bright_widget.layout = QGridLayout(self.bright_widget)
        self.bright_widget.layout.addWidget(self.cont, 0, 0)
        self.bright_widget.layout.addWidget(self.bright, 0, 1)

        #----------------------------------------------------------------------
        # Gamma Slider
        #----------------------------------------------------------------------
        gamma = IntelligentSlider('gamma', 0.005, 0, self.gamma_changed)
        self.gamma = gamma

        # layout
        self.gamma_widget = QWidget()
        self.gamma_widget.layout = QGridLayout(self.gamma_widget)
        self.gamma_widget.layout.addWidget(self.gamma, 0, 0)

        #---------------------------------------------------------------
        # Sigmoid Gamma sliders
#.........这里部分代码省略.........

    def setup_toolbar(self):
        """Setup the toolbar"""
        savefig_btn = create_toolbutton(
                self, icon=ima.icon('filesave'),
                tip=_("Save Image As..."),
                triggered=self.save_figure)

        saveall_btn = create_toolbutton(
                self, icon=ima.icon('save_all'),
                tip=_("Save All Images..."),
                triggered=self.save_all_figures)

        copyfig_btn = create_toolbutton(
            self, icon=ima.icon('editcopy'),
            tip=_("Copy plot to clipboard as image (%s)" %
                  get_shortcut('plots', 'copy')),
            triggered=self.copy_figure)

        closefig_btn = create_toolbutton(
                self, icon=ima.icon('editclear'),
                tip=_("Remove image"),
                triggered=self.close_figure)

        closeall_btn = create_toolbutton(
                self, icon=ima.icon('filecloseall'),
                tip=_("Remove all images from the explorer"),
                triggered=self.close_all_figures)

        vsep1 = QFrame()
        vsep1.setFrameStyle(53)

        goback_btn = create_toolbutton(
                self, icon=ima.icon('ArrowBack'),
                tip=_("Previous Figure ({})".format(
                      get_shortcut('plots', 'previous figure'))),
                triggered=self.go_previous_thumbnail)

        gonext_btn = create_toolbutton(
                self, icon=ima.icon('ArrowForward'),
                tip=_("Next Figure ({})".format(
                      get_shortcut('plots', 'next f