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List: kde-panel-devel
Subject: Re: Review Request: Fix taskmanager's "by desktop" sorting mode
From: "Dmitry Suzdalev" <dimsuz () gmail ! com>
Date: 2010-03-29 19:18:45
Message-ID: 20100329191845.17772.4610 () localhost
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> On 2010-03-29 18:34:53, Aaron Seigo wrote:
> > trunk/KDE/kdebase/workspace/libs/taskmanager/strategies/desktopsortingstrategy.cpp, \
> > lines 59-71 <http://reviewboard.kde.org/r/3375/diff/3/?file=21852#file21852line59>
> >
> > all of the winIds() stuff can be gotten rid of now that there is the id() method. \
> > if winIds().isEmpty(), then desktop() is going to be 0. and since the winIds() \
> > list isn't beig used, then it's probably enough to just do this:
> > const int leftDesktop = left->desktop();
> > const int rightDesktop = right->desktop();
> > if (leftDesktop() == rightDesktop) {
> > return left->id() < right->id();
> > }
> >
> > return leftDesktop < rightDesktop;
This really should work, but it doesn't. Exactly startup items pose the problem:
if they are not in the end of the *whole* list, then tasks layouting class
1) Sees that some new task (start up one) appeared in the middle of the list and \
rearranges the items, reassigning their indexes 2) At the same time it tries to keep \
"startup items" in the end, and because of this user observes "strange" moves of \
tasks in the middle, while startup ones are still in the end (visually).
Putting startup tasks explicitly in the end of the list and ensuring they'll always \
be there solves these problems.
But I guess the real fix should be in layouting classes in tasks applet, but it's \
source is not so trivial, I need to study the code more. So perhaps it'll need to \
wait to fix this in the right place. I'll try to dig in and report when done :)
- Dmitry
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
http://reviewboard.kde.org/r/3375/#review4747
-----------------------------------------------------------
On 2010-03-29 17:08:22, Dmitry Suzdalev wrote:
>
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> http://reviewboard.kde.org/r/3375/
> -----------------------------------------------------------
>
> (Updated 2010-03-29 17:08:22)
>
>
> Review request for Plasma.
>
>
> Summary
> -------
>
> This patch fixes a sorting order for "Sort by Desktop" mode of taskmanager lib.
>
> Summary:
> When in "Sort by Desktop" mode, sort by_desktop+by_winId, instead of \
> by_desktop+by_winTitle as it is now.
> More details:
> Currently in "by desktop" sorting mode tasks are sorted by desktop and then by \
> name. This leads to inconvenient things, here are some examples:
>
> - I have a browser with several tabs open. Whenever I change a tab, browser changes \
> window title. This makes task jump in a task bar from one position to another while \
> I'm simply changing tabs.
> - I have a 'konsole' window and as I do 'cd onedir', 'cd zletter_dir', etc, title \
> is changed, task jumps
> - Some other situations caused this too, don't recall, but you got the idea :)
>
> What I've done:
> Instead of sorting by name, i made it to sort by winId. Tasks without winId are \
> sorted out to the end of the list and sorted by name there. Typically these are the \
> startup-in-progress items.
> As a side effect this fixes bug https://bugs.kde.org/show_bug.cgi?id=219528 which \
> has the same roots: invalid sorting order due to wrong comparison of regular items \
> with "starting up" items.
> Long description, short patch ;)
>
>
> This addresses bug 219528.
> https://bugs.kde.org/show_bug.cgi?id=219528
>
>
> Diffs
> -----
>
> trunk/KDE/kdebase/workspace/libs/taskmanager/abstractgroupableitem.h 1105271
> trunk/KDE/kdebase/workspace/libs/taskmanager/abstractgroupableitem.cpp 1105271
> trunk/KDE/kdebase/workspace/libs/taskmanager/strategies/desktopsortingstrategy.cpp \
> 1105271
> Diff: http://reviewboard.kde.org/r/3375/diff
>
>
> Testing
> -------
>
> Tested on trunk. Task items retain their sort order, not reacting to title changes, \
> charming :)
> It affects only task applets with sort mode set to "by desktop"
>
>
> Thanks,
>
> Dmitry
>
>
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