Python NavigationToolbar2QT.addAction方法代码示例

# 需要导入模块: from matplotlib.backends.backend_qt5agg import NavigationToolbar2QT [as 别名]
# 或者: from matplotlib.backends.backend_qt5agg.NavigationToolbar2QT import addAction [as 别名]
    def initUI(self):
        self.setWindowTitle('NyqLab: Scope')

        # Figure
        self.figure = plt.figure()
        self.canvas = FigureCanvas(self.figure)
        toolbar = NavigationToolbar(self.canvas, self)

        # Eye diagram toolbar button
        action_eye = QtWidgets.QAction(QtGui.QIcon('media/eye'), 'Scope', self)
        action_eye.triggered.connect(self.onEyeClick)
        toolbar.addAction(action_eye)

        # Axis
        self.ax_t = self.figure.add_subplot(2, 1, 1)
        self.ax_t.grid(True, which='major', linestyle='--')
        self.ax_t.set_xlabel('$t / T_\mathrm{b}$')
        self.ax_t.axis(self.ax_t_lim_free)
        self.ax_t.xaxis.set_major_locator(ticker.MultipleLocator(1.0))
        self.ax_t.yaxis.set_major_locator(ticker.MultipleLocator(0.5))

        self.ax_f = self.figure.add_subplot(2, 1, 2)
        self.ax_f.axis(self.ax_f_lim)
        self.ax_f.grid(True, which='major', linestyle='--')
        self.ax_f.set_xlabel('$f / R_\mathrm{b}$')
        self.ax_f.xaxis.set_major_locator(ticker.MultipleLocator(0.5))
        self.ax_f.yaxis.set_major_locator(ticker.MultipleLocator(10.0))


        layout = QtWidgets.QVBoxLayout()
        layout.addWidget(toolbar)
        layout.addWidget(self.canvas)

        widget = QtWidgets.QWidget(self)
        self.setCentralWidget(widget)
        widget.setLayout(layout)
        self.resize(800, 500)

# 需要导入模块: from matplotlib.backends.backend_qt5agg import NavigationToolbar2QT [as 别名]
# 或者: from matplotlib.backends.backend_qt5agg.NavigationToolbar2QT import addAction [as 别名]
class MplWidget(QtWidgets.QWidget):
    """
    Widget defined in Qt Designer.
    """

    zoom_to_full_view = pyqtSignal()
    map_press = pyqtSignal(float, float)

    def __init__(self, parent = None):

        # initialization of Qt MainWindow widget
        QtWidgets.QWidget.__init__(self, parent)
        
        # set the canvas to the Matplotlib widget
        self.canvas = MplCanvas()

        self.ntb = NavigationToolbar(self.canvas, self)
        
        #self.ntb.removeAction(self.ntb.buttons[0])
        self.ntb.clear()
        
        program_folder = os.path.join(os.path.dirname(__file__), "ims")

        a = self.ntb.addAction(self.ntb._icon(os.path.join(program_folder, "world.png")), 'Home', self.zoom2fullextent)
        a.setToolTip('Reset original view')
        a = self.ntb.addAction(self.ntb._icon(os.path.join(program_folder, "arrow_left.png")), 'Back', self.ntb.back)
        a.setToolTip('Back to previous view')
        a = self.ntb.addAction(self.ntb._icon(os.path.join(program_folder, "arrow_right.png")), 'Forward', self.ntb.forward)
        a.setToolTip('Forward to next view')

        a = self.ntb.addAction(self.ntb._icon(os.path.join(program_folder, "arrow_out.png")), 'Pan', self.ntb.pan)
        a.setToolTip('Pan axes with left mouse, zoom with right')
        a = self.ntb.addAction(self.ntb._icon(os.path.join(program_folder, "zoom.png")), 'Zoom', self.ntb.zoom)
        a.setToolTip('Zoom to rectangle')

        action_SetSrcPt = self.ntb.addAction(self.ntb._icon(os.path.join(program_folder, "bullet_red.png")), 'Source point', self.pt_map)
        action_SetSrcPt.setToolTip('Set source point in map') 

        a = self.ntb.addAction(self.ntb._icon(os.path.join(program_folder, "camera.png")), 'Save',
                self.ntb.save_figure)
        a.setToolTip('Save map as image')

        a = self.ntb.addAction(self.ntb._icon(os.path.join(program_folder, "help.png")), 'Help',
                self.openHelp)
        a.setToolTip('Help')
        
        a = self.ntb.addAction(self.ntb._icon(os.path.join(program_folder, "information.png")), 'About',
                self.helpAbout)
        a.setToolTip('About')        
                                            
        # create a vertical box layout
        self.vbl = QtWidgets.QVBoxLayout()
        
        # add widgets to the vertical box
        self.vbl.addWidget(self.canvas)
        self.vbl.addWidget(self.ntb)
                                                             
        # set the layout to the vertical box
        self.setLayout(self.vbl)        
        
    def onclick(self, event): 
        """
        Emit a signal to induce the update of source point location.
        
        @param event: press event.
        @type event: Matplotlib event.
        """          
        global set_srcpt_count, cid
        
        set_srcpt_count += 1
        
        if set_srcpt_count == 1:
            self.map_press.emit(event.xdata, event.ydata)

        self.canvas.fig.canvas.mpl_disconnect(cid)
                
    def pt_map(self):
        """
        Connect the press event with the function for updating the source point location.
        
        """        
        global set_srcpt_count, cid
            
        set_srcpt_count = 0
        
        cid = self.canvas.fig.canvas.mpl_connect('button_press_event', self.onclick)    
                
    def zoom2fullextent(self):
        """
        Emit the signal for updating the map view to the extent of the DEM, in alternative of
        the shapefile, or at the standard extent.
        
        """
        self.zoom_to_full_view.emit()

    def openHelp(self):
        """
        Open an Help HTML file

        after CADTOOLS module in QG
#.........这里部分代码省略.........