Merge pull request #3 from pypeclub/pyblish_pype_update_mod2

Avoid using processEvents

openpype/tools/pyblish_pype/control.py

@@ -47,18 +47,22 @@ class MainThreadProcess(QtCore.QObject):
 
  This approach gives ability to update UI meanwhile plugin is in progress.
  """
- timer_interval = 3
+ # How many times let pass QtApplication to process events
+ # - use 2 as resize event can trigger repaint event but not process in
+ # same loop
+ count_timeout = 2
 
  def __init__(self):
  super(MainThreadProcess, self).__init__()
  self._items_to_process = collections.deque()
 
  timer = QtCore.QTimer()
- timer.setInterval(self.timer_interval)
+ timer.setInterval(0)
 
  timer.timeout.connect(self._execute)
 
  self._timer = timer
+ self._switch_counter = self.count_timeout
 
  def process(self, func, *args, **kwargs):
  item = MainThreadItem(func, *args, **kwargs)
@@ -71,13 +75,15 @@ def _execute(self):
  if not self._items_to_process:
  return
 
+ if self._switch_counter > 0:
+ self._switch_counter -= 1
+ return
+
+ self._switch_counter = self.count_timeout
+
  item = self._items_to_process.popleft()
  item.process()
 
- # Process events directly after the item processed. This allows to
- # correctly show "highlighted" state for the next item to process
- QtWidgets.QApplication.instance().processEvents()
-
  def start(self):
  if not self._timer.isActive():
  self._timer.start()