Review Request: Improve lyrics applet

[Martin Blumenstingl]

> On 2010-11-07 04:48:01, Rick W. Chen wrote:
> > I'm able to resolve the text colour problem. For the labels that were affected, plasma theme's text colour were used. Removing those let the labels use app colours.
> > 
> > I made a patch ontop of yours at git at git.kde.org:clones/amarok/rickc/amarok branch rr/improve-lyrics-applet-v3. Please try it out and see if there are any other problems. Thanks.
> 
> Martin Blumenstingl wrote:
>     There's one issue remaining: sometimes the text from showMessage() is misaligned.
>     http://www.abload.de/img/text-misplaced95wb.png
>     
>     Unfortunately I have no idea yet how to fix it.
>     It may be a Plasma/Qt bug.

Bad news: it looks like this is a Qt bug.
<notmart> somebody told me that could be fixed in qt master, dunno if already in 4.7 branch
<notmart> actually i have seen this happening on every qgraphicslayout type


- Martin


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On 2010-11-06 17:18:27, Martin Blumenstingl wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/100013/
> -----------------------------------------------------------
> 
> (Updated 2010-11-06 17:18:27)
> 
> 
> Review request for Amarok.
> 
> 
> Summary
> -------
> 
> This fixes multiple issues with the lyrics applet.
> I also cleaned up some of the lyrics related code.
> 
> Without my patch it's possible that the user loses some of his changes while he's editing the lyrics of the current track in the lyrics applet.
> My patch fixes this issue. Now the applet simply asks the user if changes should be saved or not.
> 
> 
> Now that the user wouldn't simply loose all changes he had made I started working on another task:
> synchronizing the lyrics in the lyrics applet with the one from Meta::Track::cachedLyrics().
> There was simply a call to notifyObservers() missing in the implementation of Meta::Track::setCachedLyrics().
> (Plus some code in the LyricsEngine which checks if the lyrics have changed.)
> I'm not sure if calling notifyObservers() is nice here, as for example the OSD shows again (just as if the song had changed).
> 
> Now if the user changes the lyrics via TagDialog the changes are synchronized with the lyrics applet.
> If the user is editing the track in both, TagDialog and the lyrics applet the applet asks the user what to do with the changes.
> 
> 
> When implementing the confirmation dialogs I found out that using KMessageBox is bad.
> The reason: either you have to block the whole main window (so the user can't click stuff there anymore), or you still allow access to everything.
> In my opinion this was bad, as I only wanted the user's attention in one applet.
> Thus I decided to use Plasma::Applet::showMessage()
> 
> When porting all KMessageBoxes (there was only one) to Plasma::Applet::showMessage I found out that Amarok's plasma theme is broken.
> I added a minimal fix - maybe more work is needed to make it look nice with all themes (but I'm not a UI guy, thus I'm bad at such things).
> 
> 
> My changes also make it easier to fix other bugs.
> For example #228766: one could now use a script which simply tells the lyrics script to re-fetch the lyrics (in case the current ones are broken).
> => I already have a proof-of-concept script here :)
> 
> 
> This addresses bug 207621.
>     https://bugs.kde.org/show_bug.cgi?id=207621
> 
> 
> Diffs
> -----
> 
>   src/context/Applet.h 613f217 
>   src/context/Applet.cpp 291e481 
>   src/context/LyricsManager.h 24de425 
>   src/context/LyricsManager.cpp 8dfb05e 
>   src/context/applets/lyrics/LyricsApplet.h 0270311 
>   src/context/applets/lyrics/LyricsApplet.cpp 2392da0 
>   src/context/engines/lyrics/LyricsEngine.h bf4a702 
>   src/context/engines/lyrics/LyricsEngine.cpp cbcdaa2 
>   src/core-impl/collections/db/sql/SqlMeta.cpp f01ca7a 
>   src/core-impl/collections/nepomukcollection/NepomukTrack.cpp 02f5bc7 
>   src/dialogs/TagDialog.cpp ddd73cb 
>   src/scriptengine/AmarokLyricsScript.cpp 5e7a94e 
>   src/themes/context/Amarok-Mockup/colors a0b9488 
> 
> Diff: http://git.reviewboard.kde.org/r/100013/diff
> 
> 
> Testing
> -------
> 
> I've been using a patched amarok for the past two days -> I couldn't find bugs so far.
> But I need more testers :)
> 
> 
> Screenshots
> -----------
> 
> The warning which is shown when the user might lose changes
>   http://git.reviewboard.kde.org/r/100013/s/15/
> The warning which is shown when asking the user if he wants to refetch lyrics
>   http://git.reviewboard.kde.org/r/100013/s/16/
> 
> 
> Thanks,
> 
> Martin
> 
>

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