Workaround for a Qt 5.15 bug on Windows causing the app to enter an i…

…nfinite loop when copying text to the clipboard in protx-related dialogs.

src/reg_masternode_dlg.py

@@ -7,6 +7,7 @@
 import logging
 from typing import List, Callable, Optional
 import ipaddress
+import time
 
 from PyQt5.QtCore import pyqtSlot, Qt, QTimerEvent, QTimer
 from PyQt5.QtWidgets import QDialog, QMessageBox, QApplication, QWidget
@@ -224,12 +225,14 @@ def update_styles(self):
 
         self.lblProtxSummary1.setStyleSheet(f'QLabel{{color:{green_color};font-weight: bold}}')
 
-    def strip_clipboard_contents(self, _):
+    def strip_clipboard_contents(self, mode):
         """ Remove leading/trailing spaces and newline characters from a text copied do clipboard."""
         try:
             cl = QApplication.clipboard()
             t = cl.text()
-            if t:
+            if t and t.strip() != t:
+                # QClipboard.blockSignals not working with QT 5.15 on Windows, so we need the above additional
+                # protection to avoid infinite loop when setting a new clipboard value
                 cl.blockSignals(True)
                 try:
                     cl.setText(t.strip())

src/revoke_mn_dlg.py

@@ -83,12 +83,14 @@ def onThemeChanged(self):
     def update_styles(self):
         self.update_manual_cmd_info()
 
-    def strip_clipboard_contents(self, _):
+    def strip_clipboard_contents(self, mode):
         """ Remove leading/trailing spaces and newline characters from a text copied do clipboard."""
         try:
             cl = QApplication.clipboard()
             t = cl.text()
-            if t:
+            if t and t.strip() != t:
+                # QClipboard.blockSignals not working with QT 5.15 on Windows, so we need the above additional
+                # protection to avoid infinite loop when setting a new clipboard value
                 cl.blockSignals(True)
                 try:
                     cl.setText(t.strip())

src/upd_mn_registrar_dlg.py

@@ -135,12 +135,14 @@ def onThemeChanged(self):
     def update_styles(self):
         self.update_manual_cmd_info()
 
-    def strip_clipboard_contents(self, _):
+    def strip_clipboard_contents(self, mode):
         """ Remove leading/trailing spaces and newline characters from a text copied do clipboard."""
         try:
             cl = QApplication.clipboard()
             t = cl.text()
-            if t:
+            if t and t.strip() != t:
+                # QClipboard.blockSignals not working with QT 5.15 on Windows, so we need the above additional
+                # protection to avoid infinite loop when setting a new clipboard value
                 cl.blockSignals(True)
                 try:
                     cl.setText(t.strip())

src/upd_mn_service_dlg.py

@@ -158,12 +158,14 @@ def onThemeChanged(self):
     def update_styles(self):
         self.update_manual_cmd_info()
 
-    def strip_clipboard_contents(self, _):
+    def strip_clipboard_contents(self, mode):
         """ Remove leading/trailing spaces and newline characters from a text copied do clipboard."""
         try:
             cl = QApplication.clipboard()
             t = cl.text()
-            if t:
+            if t and t.strip() != t:
+                # QClipboard.blockSignals not working with QT 5.15 on Windows, so we need the above additional
+                # protection to avoid infinite loop when setting a new clipboard value
                 cl.blockSignals(True)
                 try:
                     cl.setText(t.strip())