def _init_ui(self): namesBox = gui.vBox(self.controlArea, "名称") hbox = gui.hBox(namesBox, margin=0, spacing=0) gui.lineEdit(hbox, self, "attr1", "变量 X: ", controlWidth=80, orientation=Qt.Horizontal, callback=self._attr_name_changed) gui.separator(hbox, 21) hbox = gui.hBox(namesBox, margin=0, spacing=0) attr2 = gui.lineEdit(hbox, self, "attr2", "变量 Y: ", controlWidth=80, orientation=Qt.Horizontal, callback=self._attr_name_changed) gui.separator(hbox) gui.checkBox(hbox, self, "hasAttr2", '', disables=attr2, labelWidth=0, callback=self.set_dimensions) gui.separator(namesBox) gui.widgetLabel(namesBox, "标签") self.classValuesView = listView = gui.ListViewWithSizeHint( preferred_size=(-1, 30)) listView.setModel(self.class_model) itemmodels.select_row(listView, 0) namesBox.layout().addWidget(listView) self.addClassLabel = QAction("+", self, toolTip="添加新类标签", triggered=self.add_new_class_label) self.removeClassLabel = QAction( unicodedata.lookup("MINUS SIGN"), self, toolTip="删除所选类标签", triggered=self.remove_selected_class_label) actionsWidget = itemmodels.ModelActionsWidget( [self.addClassLabel, self.removeClassLabel], self) actionsWidget.layout().addStretch(10) actionsWidget.layout().setSpacing(1) namesBox.layout().addWidget(actionsWidget) tBox = gui.vBox(self.controlArea, "工具", addSpace=True) buttonBox = gui.hBox(tBox) toolsBox = gui.widgetBox(buttonBox, orientation=QGridLayout()) self.toolActions = QActionGroup(self) self.toolActions.setExclusive(True) self.toolButtons = [] for i, (name, tooltip, tool, icon, label) in enumerate(self.TOOLS): action = QAction( name, self, toolTip=tooltip, checkable=tool.checkable, icon=QIcon(icon), ) action.setText(label) action.triggered.connect(partial(self.set_current_tool, tool)) button = QToolButton(iconSize=QSize(24, 24), toolButtonStyle=Qt.ToolButtonTextUnderIcon, sizePolicy=QSizePolicy( QSizePolicy.MinimumExpanding, QSizePolicy.Fixed)) button.setDefaultAction(action) self.toolButtons.append((button, tool)) toolsBox.layout().addWidget(button, i / 3, i % 3) self.toolActions.addAction(action) for column in range(3): toolsBox.layout().setColumnMinimumWidth(column, 10) toolsBox.layout().setColumnStretch(column, 1) undo = self.undo_stack.createUndoAction(self) redo = self.undo_stack.createRedoAction(self) undo.setShortcut(QKeySequence.Undo) redo.setShortcut(QKeySequence.Redo) self.addActions([undo, redo]) self.undo_stack.indexChanged.connect(lambda _: self.invalidate()) gui.separator(tBox) indBox = gui.indentedBox(tBox, sep=8) form = QFormLayout(formAlignment=Qt.AlignLeft, labelAlignment=Qt.AlignLeft, fieldGrowthPolicy=QFormLayout.AllNonFixedFieldsGrow) indBox.layout().addLayout(form) slider = gui.hSlider(indBox, self, "brushRadius", minValue=1, maxValue=100, createLabel=False) form.addRow("半径:", slider) slider = gui.hSlider(indBox, self, "density", None, minValue=1, maxValue=100, createLabel=False) form.addRow("强度:", slider) slider = gui.hSlider(indBox, self, "symbol_size", None, minValue=1, maxValue=100, createLabel=False, callback=self.set_symbol_size) form.addRow("符号:", slider) self.btResetToInput = gui.button(tBox, self, "重置为输入数据", self.reset_to_input) self.btResetToInput.setDisabled(True) gui.auto_commit(self.left_side, self, "autocommit", "发送") # main area GUI viewbox = PaintViewBox(enableMouse=False) self.plotview = pg.PlotWidget(background="w", viewBox=viewbox) self.plotview.sizeHint = lambda: QSize( 200, 100) # Minimum size for 1-d painting self.plot = self.plotview.getPlotItem() axis_color = self.palette().color(QPalette.Text) axis_pen = QPen(axis_color) tickfont = QFont(self.font()) tickfont.setPixelSize(max(int(tickfont.pixelSize() * 2 // 3), 11)) axis = self.plot.getAxis("bottom") axis.setLabel(self.attr1) axis.setPen(axis_pen) axis.setTickFont(tickfont) axis = self.plot.getAxis("left") axis.setLabel(self.attr2) axis.setPen(axis_pen) axis.setTickFont(tickfont) if not self.hasAttr2: self.plot.hideAxis('left') self.plot.hideButtons() self.plot.setXRange(0, 1, padding=0.01) self.mainArea.layout().addWidget(self.plotview) # enable brush tool self.toolActions.actions()[0].setChecked(True) self.set_current_tool(self.TOOLS[0][2]) self.set_dimensions()