Review Request 104258: Save scrollbar position on plasma exit

Aaron J. Seigo aseigo at kde.org
Tue Sep 3 11:05:15 UTC 2013


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http://git.reviewboard.kde.org/r/104258/
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(Updated Sept. 3, 2013, 11:05 a.m.)


Status
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This change has been discarded.


Review request for Plasma, Aaron J. Seigo, Fredrik Höglund, and Marco Martin.


Description
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This patch implements scrolbar position saving on plasma exit. The change is fairly trivial, however, due to the fact that the view is not populated and layouted immediately simply scrolling to the desired position on creating the view does not work. Instead a signal is emitted on finishing the item layout, when the view has a valid size and the scrollbar has a valid range. The signal is connected to a slot which scrolls the view to the desired position and then disconnects the signal. For the user, a public function in AbstractItemView is introduced, which performs the connection.

The only problem is that ListView turned out not to have any layout method. It just paints the items one by one, calculating their position on the fly, so I put the signal at the end of updateScrollbar to ensure the scrollbar range is valid. Maybe it should go into the "if (max>0)" branch?


This addresses bug 261139.
    http://bugs.kde.org/show_bug.cgi?id=261139


Diffs
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  plasma/applets/folderview/abstractitemview.h aa68b90 
  plasma/applets/folderview/abstractitemview.cpp 3debb70 
  plasma/applets/folderview/folderview.h 4e441eb 
  plasma/applets/folderview/folderview.cpp a94ce87 
  plasma/applets/folderview/iconview.h 12e93b3 
  plasma/applets/folderview/iconview.cpp 5c4e086 
  plasma/applets/folderview/listview.cpp 94efe44 

Diff: http://git.reviewboard.kde.org/r/104258/diff/


Testing
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Tested both the icon view and the list view, works fine.


Thanks,

Ignat Semenov

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