texmaker stops responding to keyboard after saving

[Rohan Agrawal]

Description: Ubuntu jaunty (development branch)
Release: 9.04

libqtcore4:
  Installed: 4.5.0-0ubuntu2
  Candidate: 4.5.0-0ubuntu2
  Version table:
 *** 4.5.0-0ubuntu2 0
        500 http://ubuntu.media.mit.edu jaunty/main Packages
        100 /var/lib/dpkg/status

libqtgui4:
  Installed: 4.5.0-0ubuntu2
  Candidate: 4.5.0-0ubuntu2
  Version table:
 *** 4.5.0-0ubuntu2 0
        500 http://ubuntu.media.mit.edu jaunty/main Packages
        100 /var/lib/dpkg/status

Create a document in texmaker, make a few changes, and then save it. After saving, you will no longer be able to edit the document as texmaker stops responding to keyboard input.

The bug is in the qt4 libraries, not in texmaker, since downgrading qt to the intrepid version solves the problem, but downgrading texmaker does not solve it.

[TerpInHotLanta (ccampjr)]

Since the upgrade to Jaunty, I too have seen the same problem and there seems to be a redraw problem-- some times when opening TexMaker, many of the headers (File, Edit, etc) do not appear until the cursor is dragged over there positions or the entire TexMaker window is moved.

Not sure if the redraw problem is related, but i thought I'd include it.

[Rohan Agrawal (agrawalr)]

I have marked this as confirmed since TerpInHotLanta has confirmed it and there are several duplicates.

[scandido (scandido)]

I can also confirm I have this problem.

[mvavrek (mattvavrek)]

Bug seems to be fixed with most recent updated packages in Jaunty as of April 1, 2009

[TerpInHotLanta (ccampjr)]

Works for me, but the program still is missing buttons, and isn't redrawn quickly... time to search for other bugs.

[scandido (scandido)]

Even with yesterday and today's updates, it still does not work for me. It does allow me to retain the cursor after saving the first time but after two or three changes and saves the cursor disappears again.

[der_vegi (m-may)]

I have the same problem on a fully updated Jaunty (amd64). After compiling a document a couple of times and editing in between, the editor does not accept keyboard input any more. Mouse still works.
Interesting: The keyboard shortcuts to access the menu Alt + something also work. And if I click in "structure" on "LABELS", the editor suddenly accepts input again. If I click on the editor window, then, the problem is there again. So this might have to do something with the focus?
The problem with headers not appearing, TerpInHotLanta mentioned, does not apply for me.

[Rohan Agrawal (agrawalr)]

My situation is identical to der_vegi's.

[Martin Topinka (martin-topinka)]

I can confirm that I still can't see the cursor either type in any text after saving in Jaunty Beta (last update 3rd April 09). So the bug is still present.

[der_vegi (m-may)]

Hm, maybe this bug is not related to qt4-x11 but rather to texmaker due to some incompatibility with newer qt versions?

[gotigersducksvols (moseley-daniel)]

I too have this error. The bug is still present as of the 7th of April.

[Fledi (realfledi)]

Same problem here. I can edit and compile tex-files, as the output opens texmaker loses its focus (as it should). Closing the dvi/ps/pdf without doing anything to texmaker works, the courser is there again. I can even move it around with the keyboard. But as soon as I click in the editor the courser disappears and won't come back 'till I restart texmaker.

[Tomáš Pikálek (tpikalek)]

Here is a patch that should fix it (but I didn't try it):
http://bugs.gentoo.org/262151

[Tomáš Pikálek (tpikalek)]

I applied the patch and it seems to fix the problem. So please, include it in Ubuntu package. Thanks.

[Rohan Agrawal (agrawalr)]

Here is a debdiff for the patch from gentoo.

[Rohan Agrawal (agrawalr)]

Now that there is patch, it would be good if a MOTU could take a look at it.

[tropicflite (tropicflite)]

I have the same issue, but I'm not sure how to apply the patch. Can someone please give the method?

[Rohan Agrawal (agrawalr)]

@tropicflite: https://wiki.ubuntu.com/UbuntuPackagingGuide/BuildFromDebdiff

[Papadakos Panagiotis (papadako)]

Yep, it would be nice to have this fixed!

[Daniel Holbach (dholbach)]

It seems texmaker is using quilt. Could you make use of it too?

https://wiki.ubuntu.com/PackagingGuide/Howtos/Quilt
https://wiki.ubuntu.com/UbuntuDevelopment/PatchTaggingGuidelines

Could you also forward the patch to the upstream author please? :-)

[Chris Jones (jones-home)]

I would like to add my vote to this. I am still struggling with an unusable TexMaker on 14 Apr in Jaunty (AMD64). I am using Gnome WM.

[Scott Kitterman (kitterman)]

I suspect that some of you with redraw issues have Intel video. If you do, I'd recommend reviewing the Intel video section of the RC release notes for options that may help.

I'll try and review the patch later tonight.

[tropicflite (tropicflite)]

I made this .deb using Tomáš patch, and it seems to fix the problem on my system (Jaunty 32 release candidate). I removed the old version using synaptic 'mark for complete removal' and installed this version doing

sudo dpkg -i texmaker_1.8-1ubuntu1_i386.deb

I also rebooted, probably unnecessary.

Appears to be stable, but install at your own risk.

Also, if posting this file here violates any rules I apologise in advance.

[Launchpad Janitor (janitor)]

This bug was fixed in the package texmaker - 1.8-1ubuntu1

---------------
texmaker (1.8-1ubuntu1) jaunty; urgency=low

  [ Rohan Agrawal ]
  * Fix a focus bug with newer versions of qt (lp: #348028)

  [ Scott Kitterman ]
  * Package fix as a patch and upload

 -- Scott Kitterman <email address hidden> Thu, 16 Apr 2009 23:04:04 -0400

[Papadakos Panagiotis (papadako)]

Even with this fix, sometimes I loose the focus again. This happens when I open the find console for example!

[Scott Kitterman (kitterman)]

I'd suggest file a new bug for that.

[biomathman (bes-shapon)]

I still have this bug using texmaker in the Jaunty official 9.04 AMD-64 release (not the beta) which I installed from scratch on 9/25/09, with the latest version of texmaker, which I presume is the "fixed" texmaker-1.8-1ubuntu1.

Texmaker will work fine for a while but randomly stops accepting keyboard input. Sometimes this follows a file save (but not always); sometimes it follows a pdf-tek (but not always); sometimes it follows an attempt to copy something from a different file (in another open tab, but not always); sometimes it happens after doing a search and replace (but not always); and sometimes I don't know why it happens. The only workaround I've found is to quite texmaker and reload the file.

Core-i7 920/asus P6T/12GB

[kaphi (csae3318)]

I got a similar bug with texmaker 1.8 and Jaunty: when I click into the log messages I can't set the focus/cursor back to the editor area anymore nor write anything. The log keeps highlighted until choosing a section from "Structure"

[Razi Alavizadeh (srazi)]

I work on a patch for texmaker that adds support for bidirectional editing and right to left languages, and I see this bug,
I report it to Qt developer

http://www.qtsoftware.com/developer/task-tracker/index_html?method=entry&id=250064

In that page they say that they fixed the bug for Qt4.5.1 ,
I attached the patch file for this bug.

If you interesting to bidirectional patch you can find download links and screenshots in my weblog:

download links for bidi patch: http://srazi.blogfa.com/page/biditexmaker.aspx
bidi screenshots: http://srazi.blogfa.com/page/bidi-screenshots.aspx

patch for losing focus is attached.

[MrPok (wiebenik)]

I also frequently have this bug on 2009-06-09, having run all updates using "Update Manager" (probably not any of them was related to this problem).
My typical usage of Texmaker involves clicking the "Quick build" button a lot ..

On the TexMaker website an overview of the new version 1.9 (May 21 2009)says:
" Qt >= 4.5.1 is now required "

Side-note: kind of a dramatic bug in a text editor :-P

[everflux (tklaunchpad)]

Problem still occurs here, too. (Completely updated jaunty amd64)
Especially after searching for text, the focus can not be established to the text document. This makes the program completely useless.

[mercutio22 (macabro22)]

Yes, this is really annoying

[Alaak (alaak-gmx)]

I also have this bug. It happens for example when I click on "Next Latex Error".

A workaround without restarting texmaker is to choose some of the latex templates from the "Latex" Menu and insert them into your file. Then you get your cursor back. Of course you have to delete the inserted code afterwards.

[gianluca (antonelli)]

I also have this problem for

Texmaker Version: 1.8-1ubuntu1

on

uname -a
Linux trinity 2.6.28-16-generic #55-Ubuntu SMP Tue Oct 20 19:48:24 UTC 2009 i686 GNU/Linux

[Sebastian (guttenb)]

I have the same problem with lyx 1.6.4 in Hardy instead of texmaker. So perhaps it's not only a texmaker-problem?
There is a bug-report at lyx: http://www.lyx.org/trac/ticket/5917

[Sebastian (guttenb)]

Sorry, I did not mean Hardy but Karmic. That's different than what is mentioned in the above link, but I've observed it myself with Karmic with Qt version 4.5.3really4.5.2.

[Martin Topinka (martin-topinka)]

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