On 08/15/12 10:58, Terry Reedy wrote:
On 8/15/2012 11:06 AM, Weeble wrote:
I hadn't noticed it before, but I started Idle 3.2 on Windows 7 and
observed it does not move smoothly. Other editors (e.g. I tried GVIM
and Notepad) move smoothly when dragged by their title bar. I'd guess
they're hitting at least 30fps, probably quite a bit better. Idle has
quite jerky movement. I'd guess maybe 10fps. So far as I can tell,
this affects all Idle windows, but *only* while the shell window is
open. If you have open only a document window, it's smooth and snappy
like any other editor.
Confirmed with 3.3.0b1, Win7, 64 bit, fast, year-old machine and
graphics, including change in edit window behavior with and without
shell window. I have not seen anything like this with any other
program. If I move window quickly, it seems to jump about 1/4 inch at
a time.
I'm not seeing this problem with Arch Linux under Gnome 3. Try running
IDLE without a subprocess to see if the dragging behavior still occurs.
The shell window, (PyShell instance) polls the subprocess every 50 ms
which may be the source of the delay. Search for "self.pollinterval" in
PyShell.py to adjust this value. My guess is that higher values will
cause the dragging to be more responsive.
The Tk eventloop may be stalling during this poll which may then be
preventing the movement of the window. I don't know enough of how Tk and
Win7 interact for window placement to be sure, however.
- Roger
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