WIP: pyside6 designer

Author: nstelter-slac

pydm/main_window.py

@@ -4,7 +4,14 @@
 from qtpy.QtWidgets import QApplication, QMainWindow, QFileDialog, QAction, QMessageBox
 from qtpy.QtCore import Qt, QTimer, Slot, QSize, QLibraryInfo, QCoreApplication
 from qtpy.QtGui import QKeySequence
-from .utilities import IconFont, find_file, establish_widget_connections, close_widget_connections
+from .utilities import (
+    IconFont,
+    find_file,
+    establish_widget_connections,
+    close_widget_connections,
+    ACTIVE_QT_WRAPPER,
+    QtWrapperTypes,
+)
 from .pydm_ui import Ui_MainWindow
 from .display import Display, ScreenTarget, load_file, clear_compiled_ui_file_cache
 from .connection_inspector import ConnectionInspector
@@ -108,11 +115,13 @@ def __init__(
             QLibraryInfo.location(QLibraryInfo.BinariesPath),
             QLibraryInfo.location(QLibraryInfo.LibraryExecutablesPath),
         )
+
+        executable_name = "designer" if ACTIVE_QT_WRAPPER == QtWrapperTypes.PYQT5 else "pyside6-designer"
         for bin_path in possible_designer_bin_paths:
             if platform.system() == "Darwin":
                 designer_path = os.path.join(bin_path, "Designer.app/Contents/MacOS/Designer")
             elif platform.system() == "Linux":
-                designer_path = os.path.join(bin_path, "designer")
+                designer_path = os.path.join(bin_path, executable_name)
             else:
                 designer_path = os.path.join(bin_path, "designer.exe")
             if os.path.isfile(designer_path):

pydm/widgets/qtplugin_base.py

@@ -87,10 +87,10 @@ def __init__(self):
     return Plugin
 
 
-class PyDMDesignerPlugin(QtDesigner.QPyDesignerCustomWidgetPlugin):
+class PyDMDesignerPlugin(QtDesigner.QDesignerCustomWidgetInterface):
     """
     Parent class to standardize how pydm plugins are accessed in qt designer.
-    All functions have default returns that can be overriden as necessary.
+    All functions have default returns that can be overridden as necessary.
     """
 
     def __init__(
@@ -107,7 +107,7 @@ def __init__(
         :param cls: Class of the widget to use
         :type cls:  QWidget
         """
-        QtDesigner.QPyDesignerCustomWidgetPlugin.__init__(self)
+        QtDesigner.QDesignerCustomWidgetInterface.__init__(self)
         self.initialized = False
         self.is_container = is_container
         self.cls = cls