Set busy cursor while loading environment

src/badger/gui/mini/pages/routine_page.py

@@ -58,7 +58,7 @@
 from badger.gui.windows.review_dialog import BadgerReviewDialog
 from badger.gui.windows.add_random_dialog import BadgerAddRandomDialog
 from badger.gui.windows.message_dialog import BadgerScrollableMessageBox
-from badger.gui.utils import filter_generator_config
+from badger.gui.utils import filter_generator_config, with_busy_cursor
 from badger.environment import instantiate_env
 from badger.errors import (
     BadgerEnvNotFoundError,
@@ -1067,6 +1067,7 @@ def refresh_params_generator(self):
         except Exception as e:
             QMessageBox.warning(self, "Invalid script!", str(e))
 
+    @with_busy_cursor
     def select_env(self, i: int):
         logger.info(f"Environment selected: {self.env_box.env_name} (index={i})")
         # Reset the initial table actions and ratio var ranges

src/badger/gui/utils.py

@@ -5,10 +5,12 @@
 from importlib import resources
 from typing import Any
 from PyQt5.QtWidgets import QAbstractSpinBox, QPushButton, QComboBox, QToolButton
-from PyQt5.QtWidgets import QDialog, QVBoxLayout, QLabel
+from PyQt5.QtWidgets import QDialog, QVBoxLayout, QLabel, QApplication
 from PyQt5.QtCore import Qt, QObject, QEvent, QSize
 from PyQt5.QtGui import QIcon
 import copy
+from functools import wraps
+from typing import Callable
 
 
 def preventAnnoyingSpinboxScrollBehaviour(self, control: QAbstractSpinBox) -> None:
@@ -119,3 +121,23 @@ def __init__(self, parent=None, info=None):
         self.setLayout(layout)
         # Semi-transparent background
         self.setStyleSheet("background-color: rgba(0, 0, 0, 80);")
+
+
+def set_busy_cursor() -> None:
+    QApplication.setOverrideCursor(Qt.BusyCursor)
+
+
+def unset_busy_cursor() -> None:
+    QApplication.restoreOverrideCursor()
+
+
+def with_busy_cursor(func: Callable) -> Callable:
+    @wraps(func)
+    def wrapped(*args, **kwargs):
+        set_busy_cursor()
+        try:
+            return func(*args, **kwargs)
+        finally:
+            unset_busy_cursor()
+
+    return wrapped

src/badger/gui/windows/expandable_message_box.py

@@ -12,6 +12,7 @@
 )
 from PyQt5.QtGui import QTextOption, QFont, QFontDatabase
 from PyQt5.QtCore import Qt
+from badger.gui.utils import unset_busy_cursor
 
 
 class ExpandableMessageBox(QDialog):
@@ -21,6 +22,8 @@ def __init__(
         super().__init__(parent)
         self.setWindowFlags(self.windowFlags() | Qt.WindowMaximizeButtonHint)
 
+        unset_busy_cursor()
+
         # Main layout
         mainLayout = QVBoxLayout(self)