Change some Qt6 class paths

Author: obrienpja

qiskit_metal/_gui/main_window_base.py

@@ -618,7 +618,7 @@ def kick_start_qApp():
                 try:
                     from IPython import get_ipython
                     ipython = get_ipython()
-                    ipython.magic('gui qt5')
+                    ipython.magic('gui qt6')
 
                 except Exception as e:
                     print("exception")

qiskit_metal/_gui/utility/_handle_qt_messages.py

@@ -56,13 +56,13 @@ def _qt_message_handler(mode, context, message):
             'QSocketNotifier: Multiple socket notifiers for same socket'):
         pass  # Caused by running %gui qt multiple times
     else:
-        if mode == QtCore.QtInfoMsg:
+        if mode == QtCore.QtMsgType.QtInfoMsg:
             mode = 'INFO'
-        elif mode == QtCore.QtWarningMsg:
+        elif mode == QtCore.QtMsgType.QtWarningMsg:
             mode = 'WARNING'
-        elif mode == QtCore.QtCriticalMsg:
+        elif mode == QtCore.QtMsgType.QtCriticalMsg:
             mode = 'CRITICAL'
-        elif mode == QtCore.QtFatalMsg:
+        elif mode == QtCore.QtMsgType.QtFatalMsg:
             mode = 'FATAL'
         else:
             mode = 'DEBUG'

qiskit_metal/_gui/widgets/bases/QWidget_PlaceholderText.py

@@ -72,12 +72,12 @@ def update_placeholder_text(self, text=None):
         palette = self.palette()
         # This enum value has been introduced in Qt 5.12
         if hasattr(palette, 'PlaceholderText'):
-            placeholder_color = palette.PlaceholderText
+            placeholder_color = palette.ColorRole.PlaceholderText
         else:
-            placeholder_color = palette.WindowText
+            placeholder_color = palette.ColorRole.WindowText
         color = palette.color(placeholder_color)
-        palette.setColor(palette.Text, color)
-        palette.setColor(palette.Text, color)
+        palette.setColor(palette.ColorRole.Text, color)
+        palette.setColor(palette.ColorRole.Text, color)
         label.setPalette(palette)
 
     def show_placeholder_text(self):

qiskit_metal/_gui/widgets/edit_component/component_widget.py

@@ -137,7 +137,6 @@ def create_QTextDocument(doc: QtWidgets.QTextEdit) -> QtGui.QTextDocument:
         font.setStyleHint(QFont.Arial)
     else:
         font.setStyleHint(QFont.Courier)
-    font.setFamily("Courier")
     document.setDefaultFont(font)
 
     return document