[KDE Usability] Review Request: Improve KColorChooser dialog color preset selection implementing a custom ItemDelegate

[Aurélien Gâteau]

> On 2010-03-27 17:26:15, Aurélien Gâteau wrote:
> > It's definitely more usable but as you said it can probably be made prettier. Maybe you could draw a dot similar to radio button dots? Since this selection is quite similar to the way radio buttons work, it could be interesting to have a similar look.
> 
> Darío Andrés wrote:
>     I tested circle + inner dot and it looks nicer.. 
>     Were you suggesting about only using a centered dot ?
> 
> Aurélien Gâteau wrote:
>     Yes, I was thinking only centered dot, but actually I am not sure it would look nice. If I find some time I am going to play with some mockups.

Here are some mockups. None of them really strike me as better, though:
- http://imagebin.ca/view/MsFh5Od.html
- http://imagebin.ca/view/IJRvdN.html
- http://imagebin.ca/view/bZyjeTa.html


- Aurélien


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On 2010-03-28 17:10:25, Darío Andrés wrote:
> 
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> 
> (Updated 2010-03-28 17:10:25)
> 
> 
> Review request for kdelibs and usability.
> 
> 
> Summary
> -------
> 
> Do not use the QPalette::Highlight color to show the selected color preset in the KColorChooser dialog. 
> 
> Use a custom selection drawing, black or white (depending on the contrast with the original color (KColorUtils::constrastRatio > 3.5))
> This way you get a "this color is selected" hint, but you are still able to see which color it was/is
> 
> My last choice was a centered empty circle. Drawing a rectangle (or dotted rectangle) had too much glitches as the color preset buttons in the tableview are small (~ 13x13 pixels)
> Also, there is a bug (not caused by me) that reduces the color preset buttons height or width (by one) on the top/left borders (seems to be related to the QTableWidget without Headers..)
> 
> I tried to not use color shading as it is still confusing to the user...
> 
> As a gift, I added a small detail in the empty buttons (no color defined), drawing a cross on it (using the background color)
> 
> Attached screenshot: can you recognize the selected color in the first one ? (hint: the same color is selected in both screenies..)
> 
> 
> This addresses bug 230524.
>     https://bugs.kde.org/show_bug.cgi?id=230524
> 
> 
> Diffs
> -----
> 
>   svn://anonsvn.kde.org/home/kde/trunk/KDE/kdelibs/kdeui/colors/kcolordialog.cpp 1107102 
> 
> Diff: http://reviewboard.kde.org/r/3410/diff
> 
> 
> Testing
> -------
> 
> It works Ok and it looks good (ok, it could be prettier, any ideas? may be a gradient?)
> At least it doesn't block the real color.
> 
> 
> Screenshots
> -----------
> 
> Before and After my patch
>   http://reviewboard.kde.org/r/3410/s/340/
> With a radiobutton-like selection
>   http://reviewboard.kde.org/r/3410/s/341/
> Using sunken border on selected item
>   http://reviewboard.kde.org/r/3410/s/345/
> 
> 
> Thanks,
> 
> Darío
> 
>

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