toolbar added

hp4194/cv_qt_inteface.py

@@ -6,11 +6,13 @@ os.environ["QT_API"] = "PyQt6"
 from PyQt6.QtWidgets import *
 from matplotlib.backends.backend_qtagg import FigureCanvasQTAgg
 from matplotlib.figure import Figure
+import random
+from PyQt6.QtGui import QAction
 
 class MplCanvas(FigureCanvasQTAgg):
     def __init__(self,parent = None, width=5, height=4, dpi = 100):
         fig = Figure(figsize=(width,height),dpi=dpi)
-        self.axes = fig.add_subplot(111)
+        self.axes = fig.subplots(nrows=2,ncols=3)
         super().__init__(fig)
 
 class MainWinow(QMainWindow):
@@ -190,15 +192,37 @@ class MainWinow(QMainWindow):
         self.app_grid.addWidget(self.sweep,2,0)
 
         # add the plot below
-        sc = MplCanvas(self,width=10,height=8,dpi=100)
-        sc.axes.plot([0,1,2,3,4],[10,1,20,3,40])
+        self.sc = MplCanvas(self,width=15,height=9,dpi=100)
         
-        self.app_grid.addWidget(sc,0,1,3,1)
+        self.xdata = list(range(20))
+        for i in range(2):
+            for j in range(3):
+                self.sc.axes[i,j].plot(self.xdata,random.sample(range(50),20))
+            
+        toolbar = QToolBar("Toolbar")
+        self.addToolBar(toolbar)
+
+        button_action = QAction("start measurement", self)
+        button_action.triggered.connect(self.toolbar_button_clicked)
+        toolbar.addAction(button_action)
+
+        self.app_grid.addWidget(self.sc,0,1,3,1)
 
         self.widget.setLayout(self.app_grid)
         self.setCentralWidget(self.widget)
         self.showMaximized()
 
+    def toolbar_button_clicked(self):
+
+        self.xdata = list(range(20))
+        for i in range(2):
+            for j in range(3):
+                self.sc.axes[i,j].cla()  # Clear the canvas.
+                self.sc.axes[i,j].plot(self.xdata,random.sample(range(50),20))  
+       
+        # Trigger the canvas to update and redraw.
+        self.sc.draw()
+
 app= QApplication(sys.argv)
 w= MainWinow()
 app.exec()
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