gui: Add global QT Style Sheet

- Gray out the objects if they are disabled

pykirdy/kirdy_qt.py

@@ -12,6 +12,7 @@ from pglive.sources.live_plot import LiveLinePlot
 from pglive.sources.live_plot_widget import LivePlotWidget
 from pglive.sources.live_axis import LiveAxis
 import sys
+import os
 import argparse
 import logging
 import asyncio
@@ -371,6 +372,11 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
         self.kirdy = Kirdy()
         self.setupUi(self)
 
+        # Load Global QT Style Sheet Settings
+        qss=os.path.join(os.path.dirname(__file__), "ui/mainwindow.qss")
+        with open(qss,"r") as fh:
+            self.setStyleSheet(fh.read())
+
         self.ip_addr = self.DEFAULT_IP_ADDR
         self.port = self.DEFAULT_PORT
 

pykirdy/ui/mainwindow.qss

@@ -0,0 +1,6 @@
+QPushButton:disabled { color: gray }
+ParameterTree:disabled { color: gray }
+QToolButton:disabled { color: gray }
+QDoubleSpinBox:disabled { color: gray }
+QCheckBox:disabled { color: gray }
+QMenu:disabled { color: gray }