replaced QtCore.QCoreApplication.processEvents() (Open-MSS#3060)

Author: ReimarBauer

mslib/msui/mpl_qtwidget.py

@@ -277,9 +277,8 @@ def after_login(self, emailid, url, response):
         logging.debug("after login %s %s", emailid, url)
         # emailid by direct call
         self.email = emailid
-        self.connect_window.close()
+        self.connect_window.done(QDialog.Accepted)
         self.connect_window = None
-        QtWidgets.QApplication.processEvents()
         # fill value of mscolab url if found in QSettings storage
 
         _json = response.json()

mslib/msui/mscolab.py

@@ -30,7 +30,6 @@
 import webbrowser
 from urllib.parse import urljoin
 
-from PyQt5 import QtWidgets
 from PyQt5.QtWidgets import QDialog, QMessageBox
 
 from mslib.msui.qt5 import ui_mscolab_connect_dialog as ui_conn
@@ -123,7 +122,8 @@ def set_status(self, _type="Error", msg=""):
         self.statusLabel.setText(_msg)
         # windows can have a cp1252 encoding, don't use special chars
         logging.debug("set_status: %s", msg)
-        QtWidgets.QApplication.processEvents()
+        # Repaint this widget only, without spinning the full Qt event loop.
+        self.statusLabel.repaint()
 
     def add_mscolab_urls(self):
         url_list = config_loader(dataset="default_MSCOLAB")

mslib/msui/mscolab_connect_dialog.py

@@ -531,8 +531,7 @@ def changeMapSection(self, index=0, only_kwargs=False):
                 return kwargs
 
             logging.debug("switching to map section '%s' - '%s'", current_map_key, kwargs)
-            self.mpl.canvas.redraw_map(kwargs)
-            self.mpl.navbar.clear_history()
+            self.mpl.canvas.redraw_map(kwargs, on_finished=self.mpl.navbar.clear_history)
 
     def setIdentifier(self, identifier):
         super().setIdentifier(identifier)