fixed multiple signal issue with cancel sim.

1 files changed, 12 insertions, 8 deletions

diff --git a/src/frontEnd/TerminalUi.py b/src/frontEnd/TerminalUi.py
index 2c5a7c02..4c53548f 100644
--- a/src/frontEnd/TerminalUi.py
+++ b/src/frontEnd/TerminalUi.py
@@ -65,34 +65,39 @@ class TerminalUi(QtWidgets.QMainWindow):
         self.cancelSimulationButton.clicked.connect(self.cancelSimulation)
         self.redoSimulationButton.clicked.connect(self.redoSimulation)
 
+        self.simulationCancelled = False
         self.show()
 
     def cancelSimulation(self):
         """This function cancels the ongoing ngspice simulation.
         """
+        self.cancelSimulationButton.setEnabled(False)
+        self.redoSimulationButton.setEnabled(True)
+
         if (self.qProcess.state() == QtCore.QProcess.NotRunning):
             return
 
-        cancelFormat = '<span style="color:#FF8624; font-size:26px;">{}</span>'
+        self.simulationCancelled = True
         self.qProcess.kill()
 
         # To show progressBar completed
         self.progressBar.setMaximum(100)
         self.progressBar.setProperty("value", 100)
 
+        cancelFormat = '<span style="color:#FF8624; font-size:26px;">{}</span>'
         self.simulationConsole.append(
             cancelFormat.format("Simulation Cancelled!"))
         self.simulationConsole.verticalScrollBar().setValue(
             self.simulationConsole.verticalScrollBar().maximum()
         )
 
-        self.cancelSimulationButton.setEnabled(False)
-        self.redoSimulationButton.setEnabled(True)
-
     def redoSimulation(self):
         """This function reruns the ngspice simulation
         """
-        if (self.qProcess.state() == QtCore.QProcess.Running):
+        self.cancelSimulationButton.setEnabled(True)
+        self.redoSimulationButton.setEnabled(False)
+
+        if (self.qProcess.state() != QtCore.QProcess.NotRunning):
             return
 
         # To make the progressbar running
@@ -100,10 +105,9 @@ class TerminalUi(QtWidgets.QMainWindow):
         self.progressBar.setProperty("value", -1)
 
         self.simulationConsole.setText("")
-        self.qProcess.start('ngspice', self.args)
+        self.simulationCancelled = False
 
-        self.cancelSimulationButton.setEnabled(True)
-        self.redoSimulationButton.setEnabled(False)
+        self.qProcess.start('ngspice', self.args)
 
     def changeColor(self):
         """Toggles the :class:`Ui_Form` console between dark mode