added more complex example for slow tasks

Roberto De Ioris · Roberto De Ioris · commit 7857e7ac12ec · 2017-08-17T17:51:22.000+02:00
diff --git a/examples/slow_task_with_progress_bar.py b/examples/slow_task_with_progress_bar.py
@@ -0,0 +1,28 @@
+from unreal_engine import SWindow, SProgressBar, SButton, SVerticalBox
+import unreal_engine as ue
+
+
+progress_bar = SProgressBar()
+canceled = False
+
+def cancel_operation():
+    global canceled
+    ue.log_warning('slow operation canceled')
+    canceled = True
+
+SWindow(title='slow task', sizing_rule=1)(
+    SVerticalBox()
+    (
+        progress_bar
+    )
+    (
+        SButton(text='cancel', on_clicked=cancel_operation)
+    )
+)
+
+for i in range(0, 10000):
+    progress_bar.set_percent(1/10000 * i)
+    ue.log('slow task iteration: {0}'.format(i))
+    if canceled:
+        break
+    ue.slate_tick()
