Addon Manager: Set parent for most modals

src/Mod/AddonManager/AddonManager.py

@@ -169,6 +169,7 @@ def launch(self) -> None:
         self.dialog = FreeCADGui.PySideUic.loadUi(
             os.path.join(os.path.dirname(__file__), "AddonManager.ui")
         )
+        self.dialog.setObjectName("AddonManager_Main_Window")
         # self.dialog.setWindowFlag(QtCore.Qt.WindowStaysOnTopHint, True)
 
         # cleanup the leftovers from previous runs

src/Mod/AddonManager/addonmanager_installer_gui.py

@@ -159,7 +159,7 @@ def _handle_disallowed_python(self, python_requires: List[str]) -> bool:
             message += "</ul>"
             message += "To ignore this error and install anyway, press OK."
             r = QtWidgets.QMessageBox.critical(
-                None,
+                utils.get_main_am_window(),
                 translate("AddonsInstaller", "Missing Requirement"),
                 message,
                 QtWidgets.QMessageBox.Ok | QtWidgets.QMessageBox.Cancel,
@@ -205,7 +205,7 @@ def _report_missing_workbenches(self, wbs) -> bool:
             message += "</ul>"
             message += translate("AddonsInstaller", "Press OK to install anyway.")
         r = QtWidgets.QMessageBox.critical(
-            None,
+            utils.get_main_am_window(),
             translate("AddonsInstaller", "Missing Requirement"),
             message,
             QtWidgets.QMessageBox.Ok | QtWidgets.QMessageBox.Cancel,
@@ -249,7 +249,7 @@ def _check_python_version(self, missing: MissingDependencies) -> bool:
         if sys.version_info.minor < minor_required:
             # pylint: disable=line-too-long
             QtWidgets.QMessageBox.critical(
-                None,
+                utils.get_main_am_window(),
                 translate("AddonsInstaller", "Incompatible Python version"),
                 translate(
                     "AddonsInstaller",
@@ -326,6 +326,7 @@ def _run_dependency_installer(self, addons, python_requires, python_optional):
             translate("AddonsInstaller", "Installing dependencies"),
             translate("AddonsInstaller", "Installing dependencies") + "...",
             QtWidgets.QMessageBox.Cancel,
+            parent=utils.get_main_am_window()
         )
         self.dependency_installation_dialog.rejected.connect(
             self._cancel_dependency_installation
@@ -345,7 +346,7 @@ def _report_no_python_exe(self) -> None:
             self.dependency_installation_dialog.hide()
         # pylint: disable=line-too-long
         result = QtWidgets.QMessageBox.critical(
-            None,
+            utils.get_main_am_window(),
             translate("AddonsInstaller", "Cannot execute Python"),
             translate(
                 "AddonsInstaller",
@@ -369,7 +370,7 @@ def _report_no_pip(self, command: str) -> None:
             self.dependency_installation_dialog.hide()
         # pylint: disable=line-too-long
         result = QtWidgets.QMessageBox.critical(
-            None,
+            utils.get_main_am_window(),
             translate("AddonsInstaller", "Cannot execute pip"),
             translate(
                 "AddonsInstaller",
@@ -397,7 +398,7 @@ def _report_dependency_failure(self, short_message: str, details: str) -> None:
             )
         FreeCAD.Console.PrintError(details + "\n")
         result = QtWidgets.QMessageBox.critical(
-            None,
+            utils.get_main_am_window(),
             translate("AddonsInstaller", "Package installation failed"),
             short_message
             + "\n\n"
@@ -449,6 +450,7 @@ def install(self) -> None:
                 self.addon_to_install.display_name
             ),
             QtWidgets.QMessageBox.Cancel,
+            parent=utils.get_main_am_window()
         )
         self.installing_dialog.rejected.connect(self._cancel_addon_installation)
         self.installer.finished.connect(self.installing_dialog.hide)
@@ -462,6 +464,7 @@ def _cancel_addon_installation(self):
                 self.addon_to_install.display_name
             ),
             QtWidgets.QMessageBox.NoButton,
+            parent=utils.get_main_am_window()
         )
         dlg.show()
         if self.worker_thread.isRunning():
@@ -483,7 +486,7 @@ def _cancel_addon_installation(self):
     def _installation_succeeded(self):
         """Called if the installation was successful."""
         QtWidgets.QMessageBox.information(
-            None,
+            utils.get_main_am_window(),
             translate("AddonsInstaller", "Success"),
             translate("AddonsInstaller", "{} was installed successfully").format(
                 self.addon_to_install.name
@@ -496,7 +499,7 @@ def _installation_succeeded(self):
     def _installation_failed(self, addon, message):
         """Called if the installation failed."""
         QtWidgets.QMessageBox.critical(
-            None,
+            utils.get_main_am_window(),
             translate("AddonsInstaller", "Installation Failed"),
             translate("AddonsInstaller", "Failed to install {}").format(addon.name)
             + "\n"

src/Mod/AddonManager/addonmanager_uninstaller_gui.py

@@ -28,6 +28,7 @@
 from PySide import QtCore, QtWidgets
 
 from addonmanager_uninstaller import AddonUninstaller, MacroUninstaller
+import addonmanager_utilities as utils
 
 translate = FreeCAD.Qt.translate
 
@@ -78,7 +79,7 @@ def _confirm_uninstallation(self) -> bool:
         """Present a modal dialog asking the user if they really want to uninstall. Returns True to
         continue with the uninstallation, or False to stop the process."""
         confirm = QtWidgets.QMessageBox.question(
-            None,
+            utils.get_main_am_window(),
             translate("AddonsInstaller", "Confirm remove"),
             translate(
                 "AddonsInstaller", "Are you sure you want to uninstall {}?"
@@ -96,6 +97,7 @@ def _show_progress_dialog(self):
             )
             + "...",
             QtWidgets.QMessageBox.Cancel,
+            parent = utils.get_main_am_window()
         )
         self.progress_dialog.rejected.connect(self._cancel_removal)
         self.progress_dialog.show()
@@ -114,7 +116,7 @@ def _succeeded(self, addon):
         if self.progress_dialog:
             self.progress_dialog.hide()
         QtWidgets.QMessageBox.information(
-            None,
+            utils.get_main_am_window(),
             translate("AddonsInstaller", "Uninstall complete"),
             translate("AddonInstaller", "Finished removing {}").format(
                 addon.display_name
@@ -128,7 +130,7 @@ def _failed(self, addon, message):
         if self.progress_dialog:
             self.progress_dialog.hide()
         QtWidgets.QMessageBox.critical(
-            None,
+            utils.get_main_am_window(),
             translate("AddonsInstaller", "Uninstall failed"),
             translate("AddonInstaller", "Failed to remove some files")
             + ":\n"

src/Mod/AddonManager/addonmanager_update_all_gui.py

@@ -89,6 +89,7 @@ def __init__(self, addons: List[Addon]):
         self.dialog = FreeCADGui.PySideUic.loadUi(
             os.path.join(os.path.dirname(__file__), "update_all.ui")
         )
+        self.dialog.setWindowFlag(QtCore.Qt.WindowStaysOnTopHint, True)
         self.row_map = {}
         self.in_process_row = None
         self.active_installer = None

src/Mod/AddonManager/addonmanager_utilities.py

@@ -451,3 +451,20 @@ def run_interruptable_subprocess(args) -> object:
     if return_code is None or return_code != 0:
         raise subprocess.CalledProcessError(return_code, args, stdout, stderr)
     return subprocess.CompletedProcess(args, return_code, stdout, stderr)
+
+def get_main_am_window():
+    windows = QtWidgets.QApplication.topLevelWidgets()
+    for widget in windows:
+        if widget.objectName() == "AddonManager_Main_Window":
+            return widget
+    # If there is no main AM window, we may be running unit tests: see if the Test Runner window
+    # exists:
+    for widget in windows:
+        if widget.objectName() == "TestGui__UnitTest":
+            return widget
+    # If we still didn't find it, try to locate the main FreeCAD window:
+    for widget in windows:
+        if hasattr(widget, "centralWidget"):
+            return widget.centralWidget()
+    # Why is this code even getting called?
+    return None