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Merge pull request #1407 from PySimpleGUI/Dev-latest 

Added counter to demo
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MikeTheWatchGuy 2019-05-14 14:39:16 -04:00 committed by GitHub
parent 6af5d9176b e3286ae1f1
commit 668fef17f2
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1 changed files with 5 additions and 4 deletions
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9
DemoPrograms/Demo_Threaded_Work.py
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@ -33,15 +33,16 @@ def the_gui(gui_queue):
window = sg.Window('Multithreaded Window').Layout(layout) window = sg.Window('Multithreaded Window').Layout(layout)
# --------------------- EVENT LOOP --------------------- # --------------------- EVENT LOOP ---------------------
message = None message = None
count = 0
while True: while True:
event, values = window.Read(timeout=100) # wait for up to 100 ms for a GUI event event, values = window.Read(timeout=100) # wait for up to 100 ms for a GUI event
if event is None or event == 'Exit': if event is None or event == 'Exit':
break break
if event == 'Go': if event == 'Go':
window.Element('_OUTPUT_').Update('Starting long work....') window.Element('_OUTPUT_').Update('Starting long work %s'%count)
# simulate STARTING long run by starting a thread # simulate STARTING long run by starting a thread
threading.Thread(target=worker_thread, args=('Thread 1', gui_queue,), daemon=True).start() threading.Thread(target=worker_thread, args=('Thread %s'%count, gui_queue,), daemon=True).start()
count += 1
# --------------- Loop through all messages coming in from threads --------------- # --------------- Loop through all messages coming in from threads ---------------
try: # see if something has been posted to Queue try: # see if something has been posted to Queue
message = gui_queue.get_nowait() message = gui_queue.get_nowait()
@ -49,7 +50,7 @@ def the_gui(gui_queue):
pass # nothing in queue so do nothing pass # nothing in queue so do nothing
# if message received from queue, display the message in the Window # if message received from queue, display the message in the Window
if message is not None and message.startswith('Thread 1'): if message is not None:
# this is the place you would execute code at ENDING of long running task # this is the place you would execute code at ENDING of long running task
window.Element('_OUTPUT_').Update(message) window.Element('_OUTPUT_').Update(message)
window.Refresh() # do a refresh because could be showing multiple messages before next Read window.Refresh() # do a refresh because could be showing multiple messages before next Read