bugGNU TeXmacs - Bugs: bug #32878, Slow update paint corrupts screen...

 
 

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bug #32878: Slow update paint corrupts screen - Qt version

Submitted by:  Sam Liddicott <samjam>
Submitted on:  Tue 22 Mar 2011 02:26:39 PM UTC  
 
Category: Qt portPriority: 5 - Normal
Item Group: NoneStatus: Confirmed
Privacy: PublicAssigned to: Massimiliano Gubinelli <mgubi>
Originator Name: Open/Closed: Open
Release: Release: None
Fixed Release: NoneFixed Release: 
Keywords: 

(Jump to the original submission Jump to the original submission)

Sun 29 Jul 2012 02:16:50 PM UTC, comment #6:

Under MacOS, SVN rev ~5540 I see no problem with the file. Under Ubuntu in a virtual machine, yes... ¿¿¿???

Miguel de Benito <mdbenito>
Project Member
Thu 26 Apr 2012 03:15:04 PM UTC, comment #5:

A temporary work-around would be a re-paint shortcut, like ^L or something

Sam Liddicott <samjam>
Project Member
Mon 09 Apr 2012 09:38:14 AM UTC, comment #4:

I confirm this bug is present but only in the Qt version

Steps to reproduce : download the following (large!) file :
http://diffusion.cgu.edu.tw/moodle/mod/resource/view.php?id=316

Open the file, press F11 to scroll to the first Python session and evaluate it. It takes a while but the screen display indeed becomes corrupted: it seems several layer are rendered on top of one another. You can refresh the display with pagedown-pageup.

No problem in the X11 version.

I tested with svn version ~5200 in linux.

Philippe Joyez <pjoyez>
Project Member
Tue 13 Mar 2012 09:53:46 AM UTC, comment #3:

Currently occurs with SVN 4971 on Mint 12 (based on Ubuntu Oneiric Ocelot) with QT build.

Steps to re-produce are:
Insert one enum item in a document that causes re-calculation to effect most of the remainder of the document for about 100 pages.

I will endeavour to construct a document that does not contain confidential information and attach it to this bug report.

Sam Liddicott <samjam>
Project Member
Mon 12 Mar 2012 09:55:10 PM UTC, comment #2:

Also please provide version and platform info.

Miguel de Benito <mdbenito>
Project Member
Sat 10 Mar 2012 10:46:05 PM UTC, comment #1:

Can you send a sample document showing this problem (how many pages? what pagination mode?), and steps to reproduce? Did this apply to the Qt version or the X11 version?

Philippe Joyez <pjoyez>
Project Member
Tue 22 Mar 2011 02:26:39 PM UTC, original submission:

If an edit (like character or line insert) takes a long time to re-calculate (maybe a second) then the re-paint is corrupt - part of the document many pages down is painted on top of the current page.

This mis-paint offset is consistent and further long-delay edits will have exactly the same wrong-overlay.

I don't know of any key-stroke to re-paint the current screen so I have to use the mousewheel to scroll-off and scroll-back again to get something usable.

Sam Liddicott <samjam>
Project Member

 

No files currently attached

 

Depends on the following items: None found

Items that depend on this one: None found

 

Carbon-Copy List
  • -unavailable- added by vdhoeven (Updated the item)
  • -unavailable- added by mdbenito (Posted a comment)
  • -unavailable- added by pjoyez (Posted a comment)
  • -unavailable- added by samjam (Submitted the item)
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    Follow 5 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Tue 17 Apr 2012 06:48:24 PM UTCvdhoevenAssigned toNone=>mgubi
    Mon 09 Apr 2012 09:38:14 AM UTCpjoyezCategoryUser Interface=>Qt port
      StatusNeed Info=>Confirmed
      SummarySlow update paint corrupts screen=>Slow update paint corrupts screen - Qt version
    Sat 10 Mar 2012 10:46:05 PM UTCpjoyezStatusNone=>Need Info

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