[Bug 206127] New: While saving data for multiple images, digikam blocks new changes

[Simon-2]

https://bugs.kde.org/show_bug.cgi?id=206127

           Summary: While saving data for multiple images, digikam blocks
                    new changes
           Product: digikam
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]


Version:           1.0.0-beta4 (rev.: 1013480) (using 4.3.00 (KDE 4.3.0),
Debian packages)
Compiler:          cc
OS:                Linux (i686) release 2.6.30-5.slh.1-sidux-686

Reproduce:
* Select lots of images (like 20 or more)
* Enter a caption or select a tag
* Click another image. Now digikam is saving the exif/iptc/... data for all 20
images previously selected.
* a) Wait until digikam is done saving. For the newly selected image it isn't
possible anymore to enter a description etc until selecting another image and
then re-selecting it.
* b) Enter a description while digikam is still saving the data. After saving
is done, the description will be reverted.

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=206127


Gilles Caulier <[hidden email]> changed:

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                 CC|                            |[hidden email]
          Component|general                     |Workflow
            Version|unspecified                 |1.0.0-beta4




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[Marcel Wiesweg]

https://bugs.kde.org/show_bug.cgi?id=206127


Marcel Wiesweg <[hidden email]> changed:

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                 CC|                            |[hidden email]




--- Comment #1 from Marcel Wiesweg <marcel wiesweg gmx de>  2009-09-21 19:22:24 ---
a):  Cannot really reproduce. Is it necessary to select 20 images, or can you
trigger the bug with one, two or three as well?

b) Yes we need to multithread these tasks, make them independent from the UI,
maybe integrate to the BQM. But there are a few technical requirements to
provide before.

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[Simon-2]

https://bugs.kde.org/show_bug.cgi?id=206127





--- Comment #2 from Simon <simon eu gmail com>  2009-09-22 17:38:00 ---
a) It is indeed necessary to select multiple images to keep digikam working for
a few seconds. If I were fast enough (or the PC slow enough) I could also
trigger it with 3 images, but it would be really hard ;)

b) I see.
Well, at least avoiding data loss would already be good, and this shouldn't
require a major change I guess.

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=206127


Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|1.0.0-beta4                 |1.0.0




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[Marcel Wiesweg]

https://bugs.kde.org/show_bug.cgi?id=206127


Marcel Wiesweg <[hidden email]> changed:

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                 CC|                            |[hidden email]




--- Comment #3 from Marcel Wiesweg <marcel wiesweg gmx de>  2010-03-17 19:44:40 ---
*** Bug 214038 has been marked as a duplicate of this bug. ***

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[Marcel Wiesweg]

https://bugs.kde.org/show_bug.cgi?id=206127





--- Comment #4 from Marcel Wiesweg <marcel wiesweg gmx de>  2010-04-12 18:35:23 ---
SVN commit 1114056 by mwiesweg:

Use MetadataManager to apply the MetadataHub changes. Removes another
very annoying use of kapp->processEvents! Also some problems with
continuing to change while applying, and with changes applied to wrong images
should be fixed.
We can no longer know which database change signal originate from our own
changes,
which means we have to reload in any case. This needs to be further refined.

CCBUG: 206127

 M  +45 -83    imagedescedittab.cpp  
 M  +3 -1      imagedescedittab.h  


WebSVN link: http://websvn.kde.org/?view=rev&revision=1114056

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[Marcel Wiesweg]

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Marcel Wiesweg <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED




--- Comment #5 from Marcel Wiesweg <marcel wiesweg gmx de>  2010-05-15 23:36:33 ---
With MetadataManager, the original code causing such was removed. The changes
are packaged and all metadata writing is now done in a separate thread.
There may be new bugs, but the old bugs must be gone.

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[Gilles Caulier-4]

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Version Fixed In|                            |1.3.0

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