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author | Andrew Svetlov <andrew.svetlov@gmail.com> | 2012-03-13 18:36:13 -0700 |
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committer | Andrew Svetlov <andrew.svetlov@gmail.com> | 2012-03-13 18:36:13 -0700 |
commit | 20e134df0fe52fd992970d7f15f8686eefa93445 (patch) | |
tree | 83063dc77bed1f1895ee9da7dd5798907c2b6c16 /Lib/idlelib | |
parent | b75c29d5f4089a58f20405512a2f7918968cc4fe (diff) | |
download | cpython-20e134df0fe52fd992970d7f15f8686eefa93445.tar.gz |
Issue #989712: Support using Tk without a mainloop.
Diffstat (limited to 'Lib/idlelib')
-rw-r--r-- | Lib/idlelib/run.py | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Lib/idlelib/run.py b/Lib/idlelib/run.py index 25338ffaa6..962c6c0a08 100644 --- a/Lib/idlelib/run.py +++ b/Lib/idlelib/run.py @@ -38,6 +38,21 @@ else: return s warnings.formatwarning = idle_formatwarning_subproc + +def handle_tk_events(): + """Process any tk events that are ready to be dispatched if tkinter + has been imported, a tcl interpreter has been created and tk has been + loaded.""" + tkinter = sys.modules.get('tkinter') + if tkinter and tkinter._default_root: + # tkinter has been imported, an Tcl interpreter was created and + # tk has been loaded. + root = tkinter._default_root + while root.tk.dooneevent(tkinter._tkinter.DONT_WAIT): + # Process pending events. + pass + + # Thread shared globals: Establish a queue between a subthread (which handles # the socket) and the main thread (which runs user code), plus global # completion, exit and interruptable (the main thread) flags: @@ -93,6 +108,7 @@ def main(del_exitfunc=False): try: seq, request = rpc.request_queue.get(block=True, timeout=0.05) except queue.Empty: + handle_tk_events() continue method, args, kwargs = request ret = method(*args, **kwargs) |