1 files changed, 143 insertions, 0 deletions
diff --git a/src/frontEnd/TerminalUi.py b/src/frontEnd/TerminalUi.py
new file mode 100644
index 00000000..4c53548f
--- /dev/null
+++ b/src/frontEnd/TerminalUi.py
@@ -0,0 +1,143 @@
+from PyQt5 import QtCore, QtGui, QtWidgets, uic
+import os
+
+
+class TerminalUi(QtWidgets.QMainWindow):
+    """This is a class that represents the GUI required to provide
+    details regarding the ngspice simulation. This GUI consists of
+    a progress bar, a console window which displays the log of the
+    simulation and button required for re-simulation and cancellation
+    of the simulation"""
+    def __init__(self, qProcess, args):
+        """The constructor of the TerminalUi class
+        param: qProcess: a PyQt QProcess that runs ngspice
+        type: qProcess: :class:`QtCore.QProcess`
+        param: args: arguments to be passed on to the ngspice call
+        type: args: list
+        """
+        super(TerminalUi, self).__init__()
+
+        # Other variables
+        self.darkColor = True
+        self.qProcess = qProcess
+        self.args = args
+        self.iconDir = "../../images"
+
+        # Load the ui file
+        uic.loadUi("TerminalUi.ui", self)
+
+        # Define Our Widgets
+        self.progressBar = self.findChild(
+            QtWidgets.QProgressBar,
+            "progressBar"
+        )
+        self.simulationConsole = self.findChild(
+            QtWidgets.QTextEdit,
+            "simulationConsole"
+        )
+
+        self.lightDarkModeButton = self.findChild(
+            QtWidgets.QPushButton,
+            "lightDarkModeButton"
+        )
+        self.cancelSimulationButton = self.findChild(
+            QtWidgets.QPushButton,
+            "cancelSimulationButton"
+        )
+        self.cancelSimulationButton.setEnabled(True)
+
+        self.redoSimulationButton = self.findChild(
+            QtWidgets.QPushButton,
+            "redoSimulationButton"
+        )
+        self.redoSimulationButton.setEnabled(False)
+
+        # Add functionalities to Widgets
+        self.lightDarkModeButton.setIcon(
+            QtGui.QIcon(
+                os.path.join(
+                    self.iconDir,
+                    'light_mode.png'
+                )
+            )
+        )
+        self.lightDarkModeButton.clicked.connect(self.changeColor)
+        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
+
+        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()
+        )
+
+    def redoSimulation(self):
+        """This function reruns the ngspice simulation
+        """
+        self.cancelSimulationButton.setEnabled(True)
+        self.redoSimulationButton.setEnabled(False)
+
+        if (self.qProcess.state() != QtCore.QProcess.NotRunning):
+            return
+
+        # To make the progressbar running
+        self.progressBar.setMaximum(0)
+        self.progressBar.setProperty("value", -1)
+
+        self.simulationConsole.setText("")
+        self.simulationCancelled = False
+
+        self.qProcess.start('ngspice', self.args)
+
+    def changeColor(self):
+        """Toggles the :class:`Ui_Form` console between dark mode
+                        and light mode
+        """
+        if self.darkColor is True:
+            self.simulationConsole.setStyleSheet("QTextEdit {\n \
+                background-color: white;\n \
+                color: black;\n \
+            }")
+            self.lightDarkModeButton.setIcon(
+                QtGui.QIcon(
+                    os.path.join(
+                        self.iconDir,
+                        "dark_mode.png"
+                        )
+                    )
+                )
+            self.darkColor = False
+        else:
+            self.simulationConsole.setStyleSheet("QTextEdit {\n \
+                background-color: rgb(36, 31, 49);\n \
+                color: white;\n \
+            }")
+            self.lightDarkModeButton.setIcon(
+                QtGui.QIcon(
+                    os.path.join(
+                        self.iconDir,
+                        "light_mode.png"
+                        )
+                    )
+                )
+            self.darkColor = True