Carsten Haitzler (The Rasterman) wrote: > On Fri, 25 Aug 2006 13:57:43 +1200 Jochen Schroeder > <[EMAIL PROTECTED]> babbled: > > >> Carsten Haitzler (The Rasterman) wrote: >> >>> On Fri, 25 Aug 2006 08:54:30 +1200 Jochen Schroeder >>> <[EMAIL PROTECTED]> babbled: >>> >>> >>> >>>> Paul Stejskal wrote: >>>> >>>> >>>>> Jochen Schroeder wrote: >>>>> >>>>> >>>>>> Hi all, >>>>>> >>>>>> I want to remember some windows by title, which does not work. Using >>>>>> xprop WM_NAME shows the right title (the string displayed in the >>>>>> title bar), however the e windows properties dialog only shows the >>>>>> title field empty. Matching icons by manually setting the title does >>>>>> not work either. Any hints? >>>>>> >>>>>> Cheers >>>>>> Jochen >>>>>> >>>>>> >>>>>> >>>>>> >>>>> Under advanced, remember it by everything (Transience, etc.) under >>>>> that section. >>>>> Paul >>>>> >>>>> >>>>> >>>> First, that is not really what I want to do. Second it does not work >>>> either. Well for more information what I want to do is open a specific >>>> file in gvim and have it always appear on one virtual desktop. The best >>>> way of doing this would be using the title, as that is where the edited >>>> file is being shown in gvim. However this does not work. I think I had >>>> >>>> it working for other programs before so I'm starting to think it might >>>> >>>> be a bug introduced in the recent changes. >>>> >>> no - title in this case is probably not going to work. here is why. >>> >>> gvim starts. it creates a window. it asks to show it. now it loads the >>> file. it now CHANGES the title. >>> >>> there is a RACE condition. e may get to managing the window before or after >>> the title has been changed - remember that x is asynchronous - the title >>> may happen before or after e deals with the map request. order of operation >>> is only guaranteed within 1 x11 connection. if titles are being changed >>> then matching using a title is a mater of sheer luck - at the time a window >>> appears, is the title then set to what it is meant to match to. if it >>> ALWAYS is (app sets title before issuing a map request) ten it will work - >>> always. if it does the title change later - it might works sometimes, and >>> other times not. >>> >> I now I get it, makes sense. I actually tried with several different >> apps, but seems like all were changing their title, I just tried with an >> application which didn't and it worked. Thanks for the explanation. OK >> now I have to think of another way of doing what I want. >> > > well technically speaking e could then keep trying to match on title change > events etc. and if after a title change the window then matches - it could > then > apply the remember stuff - but problems here are that the window will then > jump/move and it could be bad if u accidentally set a remember and told it to > use title, then u quit app, later app starts and doesn't change title till > later after it has started eg while browsing web sites) and then suddenly the > window jumps/moves/vanishes etc. > > so i chose not to try and do that. either match on intial show or dont match > at > all. > I agree that checking for title changes and applying the remember options later is kinda a bad idea, although I could think of a couple of funny tricks you could play on people :). But maybe a compromise like checking again 1s or 0.5s after starting the app. That would allow things like I was trying, as there seem to be quite a few apps which don't give meaningful window name and class and change their title just after starting. Just as an idea. I found my solution however, I'll just be using vim in an Eterm with the title set.
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