[Libreoffice-bugs] [Bug 59570] UI: Make Number Changing slider more intuitive

2013-01-27 Thread bugzilla-daemon
https://bugs.freedesktop.org/show_bug.cgi?id=59570

--- Comment #6 from Lior Kaplan kaplanl...@gmail.com ---
(In reply to comment #4)
 @Lior:
 Is that the usual RTL logic to increase / decrease numbers with a horizontal
 slider?

It looks OK on master due to the scrollbar bug fixed. The logic seems fine (max
compression on the left, near the box with the number).

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[Libreoffice-bugs] [Bug 59570] UI: Make Number Changing slider more intuitive

2013-01-20 Thread bugzilla-daemon
https://bugs.freedesktop.org/show_bug.cgi?id=59570

Rainer Bielefeld libreoff...@bielefeldundbuss.de changed:

   What|Removed |Added

 CC||kaplanl...@gmail.com

--- Comment #4 from Rainer Bielefeld libreoff...@bielefeldundbuss.de ---
I did a check with RTL UI Arabic and Hebrew and found that there the slider
function is flipped: increase LEFT maximum  - decrease RIGHT minimum.

@Lior:
Is that the usual RTL logic to increase / decrease numbers with a horizontal
slider?

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[Libreoffice-bugs] [Bug 59570] UI: Make Number Changing slider more intuitive

2013-01-20 Thread bugzilla-daemon
https://bugs.freedesktop.org/show_bug.cgi?id=59570

--- Comment #5 from Rainer Bielefeld libreoff...@bielefeldundbuss.de ---
Created attachment 73321
  -- https://bugs.freedesktop.org/attachment.cgi?id=73321action=edit
Screenshot from 4.0.0.1 rc with comments

It's a little difficult to see the Slider because of an other bug what has been
fixed in between for 4.0.0.1+

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[Libreoffice-bugs] [Bug 59570] UI: Make Number Changing slider more intuitive

2013-01-20 Thread bugzilla-daemon
https://bugs.freedesktop.org/show_bug.cgi?id=59570

Rainer Bielefeld libreoff...@bielefeldundbuss.de changed:

   What|Removed |Added

  Attachment #73321|text/plain  |image/png
  mime type||

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[Libreoffice-bugs] [Bug 59570] UI: Make Number Changing slider more intuitive

2013-01-19 Thread bugzilla-daemon
https://bugs.freedesktop.org/show_bug.cgi?id=59570

Astron heinzless...@gmail.com changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
 Ever confirmed|0   |1

--- Comment #1 from Astron heinzless...@gmail.com ---
Confirming on 3.5-openSUSE/x86-64, 4.1-master build/Linux x86-64 (both with the
dialogue in the old src file format as well as in the new ui format).


I fully agree with Rainer that this is indeed a undesirable and rather quirky
UI idea. I do not agree with him on the solution though:

* PNG compression is lossless anyway (thus doesn't impact perceived quality),
* CPU cycles for compressing should be reasonably cheap v/ the brain cycles of
people trying to figure out if they should compress their image

= Why not hardcode compression to 9 and remove the slider altogether?


However, even then we do have the same slider problem with JPEG Quality
slider. Since JPEG compression is (visibly) lossy, it does make sense to show a
slider here.

I would opt for the simple solution of structuring the UI like (ASCII mockup):

JPEG Quality 

V==  ___82_ %


The left side being a real slider widget, the right side is the text, with an
added percentage sign. The text 1 is minimum quality[...]biggest file size.
can IMO be done away with without harm – I reckon our users understand what a
percentage sign means.



Ad a)
I can't really agree – if you've ever worked with a number ray/coordinate
system in school, you know the values become larger towards the right side.
(IIRC, this (having to do with Maths) is something that doesn't change in RTL
layouts, so extra care should be taken that this UI is not mirrored.)

Ad b)
Right, hopefully we can use Glade's/GTK+'s Scale widget – that would help
immensely. (See above.)

Ad c)
Can't reproduce in my master build. Maybe the widgets repaint faster on Linux?

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[Libreoffice-bugs] [Bug 59570] UI: Make Number Changing slider more intuitive

2013-01-19 Thread bugzilla-daemon
https://bugs.freedesktop.org/show_bug.cgi?id=59570

Rainer Bielefeld libreoff...@bielefeldundbuss.de changed:

   What|Removed |Added

 CC||LibreOffice@bielefeldundbus
   ||s.de

--- Comment #2 from Rainer Bielefeld libreoff...@bielefeldundbuss.de ---
(In reply to comment #1)
a) In Wikipedia I found only number lines from lift - to right +, so this
indeed seems to be no problem(In reply to comment #1). 
I did not want to say that horizontal slider is wrong, only that it is a little
unexpected in that environment, where all other number changing UI elements are
up - down. A more intuitive slider design as you suggested would help a lot.

Concerning PNG compression: I always use compression 9, but may be for some
applications it might cause performance problems decompressing these pictures?

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[Libreoffice-bugs] [Bug 59570] UI: Make Number Changing slider more intuitive

2013-01-19 Thread bugzilla-daemon
https://bugs.freedesktop.org/show_bug.cgi?id=59570

--- Comment #3 from Rainer Bielefeld libreoff...@bielefeldundbuss.de ---
Or with something like a scale

 V=   ___82_ %
-|   |||||||+

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