Refactor signal generation GUI

b_asic/GUI/signal_generator_input.py

 # -*- coding: utf-8 -*-
 from qtpy.QtWidgets import QGridLayout, QLabel, QLineEdit, QSpinBox
 
-from b_asic.signal_generator import Impulse, Sinusoid, Step, ZeroPad
-
-_GENERATOR_MAPPING = {
-    "Impulse": ImpulseInput,
-    "Sinusoid": SinusoidInput,
-    "Step": StepInput,
-    "ZeroPad": ZeroPadInput,
-}
+from b_asic.signal_generator import Gaussian, Impulse, Sinusoid, Step, ZeroPad
 
 
 class SignalGeneratorInput(QGridLayout):
@@ -116,3 +109,55 @@ class SinusoidInput(SignalGeneratorInput):
             phase = 0
 
         return Sinusoid(frequency, phase)
+
+
+class GaussianInput(SignalGeneratorInput):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.scale_label = QLabel("Standard deviation")
+        self.addWidget(self.scale_label, 0, 0)
+        self.scale_input = QLineEdit()
+        self.addWidget(self.scale_input, 0, 1)
+
+        self.loc_label = QLabel("Average value")
+        self.addWidget(self.loc_label, 1, 0)
+        self.loc_input = QLineEdit()
+        self.addWidget(self.loc_input, 1, 1)
+
+        self.seed_label = QLabel("Seed")
+        self.addWidget(self.seed_label, 2, 0)
+        self.seed_spin_box = QSpinBox()
+        self.seed_spin_box.setRange(0, 2147483647)
+        self.addWidget(self.seed_spin_box, 2, 1)
+
+    def get_generator(self):
+        scale = self.scale_input.text().strip()
+        try:
+            if not scale:
+                scale = 1
+
+            scale = float(scale)
+        except ValueError:
+            self._window.logger.warning(f"Cannot parse scale: {scale} not a number.")
+            scale = 1
+
+        loc = self.loc_input.text().strip()
+        try:
+            if not loc:
+                loc = 0
+
+            loc = float(loc)
+        except ValueError:
+            self._window.logger.warning(f"Cannot parse loc: {loc} not a number.")
+            loc = 0
+
+        return Gaussian(self.seed_spin_box.value(), loc, scale)
+
+
+_GENERATOR_MAPPING = {
+    "Gaussian": GaussianInput,
+    "Impulse": ImpulseInput,
+    "Sinusoid": SinusoidInput,
+    "Step": StepInput,
+    "ZeroPad": ZeroPadInput,
+}