Re: Updating GUI during long operation

On Fri, 2013-04-26 at 20:22 -0700, Simon Feltman wrote: > To clarify, Python threading is probably the wrong tool for CPU bou d > operations unless those operations free up the GIL. This might be, but ideally this is really something the designers of the various interpreters should be more concer

Re: Updating GUI during long operation

On Fri, Apr 26, 2013 at 6:16 AM, Colomban Wendling < lists@herbesfolles.org> wrote: > That's weird. However, although I don't know much about Python > threading (and another guy in this thread suggests it's not really > good), I'm wondering whether your thread couldn't be simply locking > stu

Re: Updating GUI during long operation

On Fri, 2013-04-26 at 13:52 +0200, Nicola Fontana wrote: > gdk_threads_add_idle() is only a convenient way of calling > g_idle_add() > without the need of decorating the callback code with a > gdk_threads_enter()/gdk_threads_leave() pair: > > http://developer.gnome.org/gdk/stable/gdk-Threads.html#

Re: Updating GUI during long operation

On Fri, 2013-04-26 at 15:16 +0200, Colomban Wendling wrote: > That's weird. However, although I don't know much about Python > threading (and another guy in this thread suggests it's not really > good), I'm wondering whether your thread couldn't be simply locking > stuff used by both GUI and worke

Re: Updating GUI during long operation

Le 26/04/2013 03:59, Kip Warner a écrit : > On Sat, 2013-04-20 at 18:54 +0200, Colomban Wendling wrote: >> Just never do something time consuming in the main loop thread. If you >> don't there should not be any lag. > > Hey Colomban. The time consuming task is in its own separate thread, but >

Re: Updating GUI during long operation

Il Fri, 26 Apr 2013 02:24:01 -0700 Kip Warner scrisse: > On Thu, 2013-04-25 at 22:18 -0700, Simon Feltman wrote: > > > Similarly, use > > Gdk.threads_add_idle instead of GObject.idle_add for scheduling GUI updates > > from worker threads. The necessity of these is still somewhat unclear to me > >

Re: Updating GUI during long operation

On Thu, 2013-04-25 at 22:18 -0700, Simon Feltman wrote: > A brief look at the source and it seems there is nothing calling > Gdk.threads_init which I think is needed. Hey Simon. I'm actually calling GObject.threads_init() over in Main.py. I've been told by others that this is enough, whereas othe

Re: Updating GUI during long operation

On Fri, 2013-04-26 at 10:14 +0100, Lucas Levrel wrote: > Maybe do you "only" need to lower the worker priority? I think OSes by > default set new threads to the same priority as the spawner. Hey Lucas. Great idea, and I'd love to do that. My worker thread is derived from a Python threading.Thread.

Re: Updating GUI during long operation

On Thu, 2013-04-25 at 20:54 -0600, Michael Torrie wrote: > As both Chris and Colomban have state, triggering an event flush isn't > going to help. If the events are already getting filed up, trying to > flush them isn't going to work. You have to figure out why the events > are piling up. Becaus

Re: Updating GUI during long operation

On Sat, Apr 20, 2013 at 4:25 PM, Kip Warner wrote: > A brief look at the source and it seems there is nothing calling Gdk.threads_init which I think is needed. Similarly, use Gdk.threads_add_idle instead of GObject.idle_add for scheduling GUI updates from worker threads. T

Re: Updating GUI during long operation

On 04/25/2013 08:04 PM, Kip Warner wrote: > Hey Chris. Your message was not very useful again, but thanks anyways. > As you realized after, the problem may be too many graphical related > events through the main loop. I will try adjusting the animation's > framerate and seeing if I can get the work

Re: Updating GUI during long operation

On Thu, 2013-04-25 at 22:53 -0400, Allin Cottrell wrote: > I have a situation which might, perhaps, be akin to yours. From the > GUI, my app calls an iterative numerical procedure that can be quite > time consuming. Without any special treatment, this causes the GUI > to appear "frozen" and unre

Re: Updating GUI during long operation

On Thu, 25 Apr 2013, Kip Warner wrote: I will try adjusting the animation's framerate and seeing if I can get the worker thread to give a breather to the main thread which seems to be working when using an idle_add() callback to trigger an event flush. I have a situation which might, perhaps

Re: Updating GUI during long operation

On Sun, 2013-04-21 at 11:33 +0100, Chris Vine wrote: > The code to which you refer does not block, so something else is > blocking the loop. The point you need to understand is that in normal > code there will very rarely be a reason to call "while > Gtk.events_pending(): Gtk.main_iteration()" in a

Re: Updating GUI during long operation

On Sat, 2013-04-20 at 18:54 +0200, Colomban Wendling wrote: > Just never do something time consuming in the main loop thread. If you > don't there should not be any lag. Hey Colomban. The time consuming task is in its own separate thread, but it's making a GIF animation lag and user interface r

Re: Updating GUI during long operation

On Sun, 21 Apr 2013 11:33:45 +0100 Chris Vine wrote: > On Sat, 20 Apr 2013 16:25:50 -0700 > Kip Warner wrote: > > On Sat, 2013-04-20 at 23:35 +0100, Chris Vine wrote: > > > If you have a main loop running, this is completely unnecessary, > > > unless you are doing something to block the loop, whi

Re: Updating GUI during long operation

On Sat, 20 Apr 2013 16:25:50 -0700 Kip Warner wrote: > On Sat, 2013-04-20 at 23:35 +0100, Chris Vine wrote: > > If you have a main loop running, this is completely unnecessary, > > unless you are doing something to block the loop, which you > > shouldn't do. > > Hey Chris. Although your response

Re: Updating GUI during long operation

On Sat, 2013-04-20 at 23:35 +0100, Chris Vine wrote: > If you have a main loop running, this is completely unnecessary, unless > you are doing something to block the loop, which you shouldn't do. Hey Chris. Although your response was not particularly constructive, I'll give you the benefit of the

Re: Updating GUI during long operation

On Sat, 20 Apr 2013 09:10:11 -0700 Kip Warner wrote: > Hey list, > > I have a separate thread from the main loop that performs some long > and resource intensive operation. The GUI displays an animated GIF > while this process takes place via Gdk.PixbufAnimation. > > Sometimes the animation an

Re: Updating GUI during long operation

Hi, Le 20/04/2013 18:10, Kip Warner a écrit : > Hey list, > > I have a separate thread from the main loop that performs some long and > resource intensive operation. The GUI displays an animated GIF while > this process takes place via Gdk.PixbufAnimation. > > Sometimes the animation and the re

Updating GUI during long operation

Hey list, I have a separate thread from the main loop that performs some long and resource intensive operation. The GUI displays an animated GIF while this process takes place via Gdk.PixbufAnimation. Sometimes the animation and the rest of the GUI is very slow to repaint and respond to other ev