- fixed the setting color functionality on right click on the objects in the Project Tab such that the set color (or opacity) it is stored in a persistent setting correctly and the colors for Gerber objects are restored in order

- trying to fix a Runtime exception that may happen when the Plugin Tab is deleted completely

appPlugins/ToolDistance.py

@@ -9,7 +9,7 @@ from PyQt5 import QtWidgets, QtCore
 
 from appTool import AppTool
 from appGUI.VisPyVisuals import *
-from appGUI.GUIElements import FCEntry, FCButton, FCCheckBox, FCLabel
+from appGUI.GUIElements import FCEntry, FCButton, FCCheckBox, FCLabel, VerticalScrollArea
 
 from shapely.geometry import Point, MultiLineString, Polygon
 
@@ -120,7 +120,17 @@ class Distance(AppTool):
                 break
         # show the Tab
         if not found_idx:
-            self.app.ui.notebook.addTab(self.app.ui.plugin_tab, _("Plugin"))
+            try:
+                self.app.ui.notebook.addTab(self.app.ui.plugin_tab, _("Plugin"))
+            except RuntimeError:
+                self.app.ui.plugin_tab = QtWidgets.QWidget()
+                self.app.ui.plugin_tab.setObjectName("plugin_tab")
+                self.app.ui.plugin_tab_layout = QtWidgets.QVBoxLayout(self.app.ui.plugin_tab)
+                self.app.ui.plugin_tab_layout.setContentsMargins(2, 2, 2, 2)
+
+                self.app.ui.plugin_scroll_area = VerticalScrollArea()
+                self.app.ui.plugin_tab_layout.addWidget(self.app.ui.plugin_scroll_area)
+                self.app.ui.notebook.addTab(self.app.ui.plugin_tab, _("Plugin"))
             # focus on Tool Tab
             self.app.ui.notebook.setCurrentWidget(self.app.ui.plugin_tab)