[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-11-03 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

Heiko Tietze  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
   Keywords|needsUXEval |
 Ever confirmed|0   |1
 CC|libreoffice-ux-advise@lists |heiko.tietze@documentfounda
   |.freedesktop.org|tion.org

--- Comment #18 from Heiko Tietze  ---
Plenty of input from UX, happy to help when implementation has further
questions.

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-10-19 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

--- Comment #17 from Eyal Rozenberg  ---
Speaking of language setting used keyboard layout... I was reminded of bug
113298.

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-10-19 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

Eyal Rozenberg  changed:

   What|Removed |Added

   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=11
   ||3298

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-10-19 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

--- Comment #16 from Eyal Rozenberg  ---
(In reply to Mike Kaganski from comment #14)
> (In reply to Eyal Rozenberg from comment #12)
> > * Choosing what happens to neutral characters (i.e. which language's font
> > they adhere to)
> 
> Disagree with some specific part of this wording. Specifically: I totally
> agree that it would be useful to define a font used for "neutral" characters
> ... but I believe that it should not be "bind them to font of language X",
> but rather an own entry.

I don't have a strong opinion on this, I (think I) am ok with your approach.

> Additionally, in this case it looks like we have an
> xor case: *either* we map all neutral characters to some font, *or* honor
> the language of the text run to decide the font.Without the latter, we
> would not be able to resolve bug 148257; but if we allow the latter, a
> normal workflow on Windows (naturally marking every piece of text with
> current system input language) would already apply a language, so neutral
> characters would have to obey ...

That's a good point; but - let's suppose that we keep track of the language the
user is typing text in, and save that information in the document. That now
creates 3 basic options for treating neutrals:

1. Honor what the document says explicitly about the language of the neutrals
(using spans, or whatever's in the ODF spec).
2. Apply whatever standard heuristic we have for recognizing language runs in
text without language indicated specifically, and assign neutrals according to
the language they are determined to be in.
3. Render neutrals as some global override language.

and perhaps a combination of these three, e.g. use (1.) when possible and (3.)
as a fallback.

Also (2.) may not actually be that useful in some cases, e.g. "שלום,hello" - is
the comma English, or Hebrew? Or even: "Hello,bonjour" - comma in English or
French? And finally, "grand,brand" - is this English all the way, or maybe
French and English, or even French and Dutch, in which "brand" means fire? ...
and then there's no way to make a decent call on which language to choose for
the comma.


> > * Understanding which additional languages would be covered "for free" by a
> > font (e.g. if I want to occasionally use a French word with accents in my
> > English text - can I?)
> 
> I don't see how would that be reasonable part of e.g. Writer - we are not a
> dedicated tool for font management. If at all, I believe that Special
> Character dialog (which needs much of love anyway) could be used for
> something like that. However, if you have an appealing UI mockup that makes
> it natural in a place like the discussed configuration - why not.

I was trying to describe a maximal set of potential functionality. We could
decide this is too much.

> > * Controlling overlaps between fonts beyond the perfectly neutral characters
> > - what gets preferred?
> 
> This needs some elaboration.

Suppose you want font F1 for language L1 and font F2 for language L2 - but that
L1 and L2 have some non-neutral glyphs _in common_ and other glyphs which
aren't common. Like Arabic and Farsi I guess. Now, which font should we use for
a single glyph in the intersection of L1 and L2? ... if it's something we're
typing, I guess you could say "use the locale's language" - but what if you've
entered it as a special character? Or if you've pasted plain text? Or if you've
used a Unicode hex value to enter a character that's not in the language's set
of glyphs?

I realize I'm getting into corner cases here, but again, I've tried to capture
the maximal set of potential functionality, and we could decide to ignore this,
or force a default, or have another mechanism for handling it (like UI and an
UNO command for setting the language explicitly, a-la-bug 148257). If we had
that, the font selection dialog could do a little less and corrections could
use the language forcing mechanism. Or not.

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-10-07 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

--- Comment #15 from Mike Kaganski  ---
(In reply to Mike Kaganski from comment #14)
> Disagree with some specific part of this wording. Specifically: I totally
> agree that it would be useful to define a font used for "neutral" characters
> ... but I believe that it should not be "bind them to font of language X",
> but rather an own entry. Additionally, in this case it looks like we have an
> xor case: *either* we map all neutral characters to some font, *or* honor
> the language of the text run to decide the font.

... and maybe we *only* need a checkbox like "always use *Default*
(language-independent) font for neutral characters, irrespective of the
language". Why would Default differ from "Neutral" case? In an extreme case, we
could define specific fonts for every language we use, and then the default
(fallback) would only be used for the neutral, right?

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-10-07 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

--- Comment #14 from Mike Kaganski  ---
(In reply to Eyal Rozenberg from comment #12)
> * Choosing what happens to neutral characters (i.e. which language's font
> they adhere to)

Disagree with some specific part of this wording. Specifically: I totally agree
that it would be useful to define a font used for "neutral" characters ... but
I believe that it should not be "bind them to font of language X", but rather
an own entry. Additionally, in this case it looks like we have an xor case:
*either* we map all neutral characters to some font, *or* honor the language of
the text run to decide the font. Without the latter, we would not be able to
resolve bug 148257; but if we allow the latter, a normal workflow on Windows
(naturally marking every piece of text with current system input language)
would already apply a language, so neutral characters would have to obey ...

> * Understanding which additional languages would be covered "for free" by a
> font (e.g. if I want to occasionally use a French word with accents in my
> English text - can I?)

I don't see how would that be reasonable part of e.g. Writer - we are not a
dedicated tool for font management. If at all, I believe that Special Character
dialog (which needs much of love anyway) could be used for something like that.
However, if you have an appealing UI mockup that makes it natural in a place
like the discussed configuration - why not.

> * Controlling overlaps between fonts beyond the perfectly neutral characters
> - what gets preferred?

This needs some elaboration.

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-10-07 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

--- Comment #13 from Eyal Rozenberg  ---
(In reply to Eyal Rozenberg from comment #12)
Oh, I just noticed I was overly focused on the font selection dialog. We also
have the drop-down box on the toolbar or in the side-bar; and the effect of a
keyboard language switch, which Mike was just discussing. The function of each
of these three is somewhat different.

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-10-07 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

--- Comment #12 from Eyal Rozenberg  ---
(In reply to Heiko Tietze from comment #10)
Actually, once separate languages are supported, it may no longer make sense to
even expose the "language groups". What use are they to the user? It's not
typical for Arabic fonts to have Hebrew glyphs, and vice versa; nor is it
typical IIANM for Japanese fonts to have Korean glyphs.

... the only exception I can think of is fonts which actually cover most/all
languages in a language group. But even then - the grouping would more likely
be by written script, i.e. all Latin-alphabet languages but not Cyrillic or
Greek; or all Arabic-script languages, including Urdu and Farsi, but not Hebrew
or Adlam.


Before thinking about the UI itself, let's think about what the user needs to
be able to do using the dialog.

That seems to be:

* Setting the fallback mechanism for when the actually-desired fonts don't have
the glyphs you want.
* Making per-language font choices for some specific languages.
* Choosing what happens to neutral characters (i.e. which language's font they
adhere to)
* Understanding which additional languages would be covered "for free" by a
font (e.g. if I want to occasionally use a French word with accents in my
English text - can I?)
* Controlling overlaps between fonts beyond the perfectly neutral characters -
what gets preferred?

that's a "maximum" list and assuming I haven't forgotten anything.


To stress the point: I suggest we first agree on what needs to be doable using
the dialog, and then proceed to think about the UI for it.

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-10-07 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

--- Comment #11 from Mike Kaganski  ---
(In reply to Heiko Tietze from comment #10)

IMO, having language groups is a wrong concept. What does any such group really
mean? Some artificial separation, reflecting some history of computers, nothing
more. The languages in the "groups" are so diverse that the grouping simply
doesn't make sense. If at all, just one default + specific languages with their
specific assignments look much more reasonable, and I don't expect to see very
many real-life documents that would require 50+ such entries in a single
document, so the collapsed tree would largely be ergonomically bad (any real
use would start with expansion of 1-2 collapsed elements that would not take
much space anyway).

> I wonder how two languages could be mixed in a document without using 
> different PS/CS.

Let us consider concept and implementation separately.

Personally I have no problem *storing* language as an autostyle (=DF). Similar
to the RCIDs used for unique numbering for document comparison.

And similar to those RCIDs, I would love to *not* have the language in any kind
of style UI, because - again, I completely agree, that language of a text is
conceptually *not* a formatting, it is data (something that converts a sequence
of meaningless characters into a word).

By the way, thank you Eyal for wording this proposal and thinking deeply about
it: I kind of felt that there's something unnatural with it, and used to
promote use of DF (through "use system input language" feature) over styles for
this (unlike some advanced/pro users who advocate for styles only - possibly
because only Qt allows using that system input language on Linux), but I never
realized it that deep.

> And if you do so, changing the font is simple.

Let me describe a *good* workflow.

1. User defines the language->font mapping table.
2. User types text, and every time they switch keyboard layout, LibreOffice
knows which language is used. User doesn't use *any* specific means to tell
LibreOffice neither language, nor font. E.g., I have "ENG/US" right now in my
taskbar; I type these words, and Writer marks them English (US) without my
intervention - and if this proposal is implemented, it also uses the proper
font automatically. Then I press Shift+Alt (as I do hundreds of times a day,
switching keyboard layout), have "RUS" on the taskbar, and type что-то
по-русски - and Writer knows from the OS, that it was a Russian piece of text
(and applies the respective font).
3. I decide that I needed to mark some of my commas to be part of Russian -
well, because I likely changed the keyboard layout too early / too late (and
now it looks a bit inconsistent, and - what's worse - is semantically wrong). I
mark the non-character symbols, apply the language (not style!), as I would do
today (say, in the status bar), and the font applies accordingly. (And that
would also work if I marked them with e.g. Hebrew - so resolving bug 148257).

Please remember that, even though if you are Linux users where the discussed
automatic language application is not available, or if you use Roman scripts
only, and so don't use different keyboard layouts, please remember that that is
only a tiny part of real use of the software, and e.g. Windows users (where the
feature is available) is ~90% of the user base, and most of the world uses
non-Roman scripts at least to some extent.

So please consider all this from this point of view. Maybe you should also try
to configure and use the feature at least for some time to get used to it, and
feel what I'm talking about ;)

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-10-07 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

--- Comment #10 from Heiko Tietze  ---
UI-wise we could use a tree and have something like:

+ Western: [ Liberation Sans ]
+ Complex: [ Noto Kufi   ]
+ Asian:   [ Noto Asia   ]

and when you expand the section the various languages are listed taking the
default from it's parent

+ Western: [ Liberation Sans ]
- Complex: [ Noto Kufi   ]
  Arab [ Noto Kufi   ] 
  Armenia  [ Serif Armenia   ] 
  Hebrew   [ Noto Kufi   ]
  ...

OTOH, we apply this font to the Default PS and I wonder how two languages could
be mixed in a document without using different PS/CS. And if you do so,
changing the font is simple.

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-10-03 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

--- Comment #9 from Mike Kaganski  ---
But in the frame of this specific proposal, the issue is that you have to have
several runs of texts having different font assignments *in addition to* having
different language assignments: no automatic map between a language and a font
possible.

By the way, a character style (autostyle) does not have to specify a language,
so a language-neutral style is perfectly possible. OTOH, the current standard
does not allow to assign only *one* language to any run: using fallback, any
text run has three languages at once, and the mentioned magic defines the group
of properties to apply to a given character in the run.

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-10-02 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

--- Comment #8 from Mike Kaganski  ---
(In reply to Regina Henschel from comment #6)

Please check Bug 148257 (in See Also). Basically: you can't define a complex
language to e.g. a random space; and the character formatting assigned to the
text run will use magic to decide which of the *three* fonts
(Western/Complex/Asian) to use on a given character.

By the way, does the "only possible via a character style" include autostyles
(direct formatting), which is definitely an option?

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-10-02 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

Eyal Rozenberg  changed:

   What|Removed |Added

   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=15
   ||1290

--- Comment #7 from Eyal Rozenberg  ---
(In reply to Regina Henschel from comment #6)
> Setting a language to a portion of text is only possible via a character
> style or as default character style from a paragraph style. And the
> character style has on the same tab the possibility to set the font. That
> font is then used with this language. So the problem is not clear to me.


This is inappropriate. Following our discussion a few days back, I've filed a
separate bug about it: Bug 151290.

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-10-02 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

--- Comment #6 from Regina Henschel  ---
Setting a language to a portion of text is only possible via a character style
or as default character style from a paragraph style. And the character style
has on the same tab the possibility to set the font. That font is then used
with this language. So the problem is not clear to me.

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-09-29 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

Eyal Rozenberg  changed:

   What|Removed |Added

   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=13
   ||2000

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-09-29 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

--- Comment #5 from Mike Kaganski  ---
(In reply to Eyal Rozenberg from comment #4)


IMO, these should exactly be solved by the proposal, with font attached to
language must mean that when you mark any part of text as having this language,
this font is used.

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-09-29 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

--- Comment #4 from Eyal Rozenberg  ---
(In reply to Mike Kaganski from comment #3)

Some more challenges would be:

* Which font(s) should be used for neutral characters?
* What happens when the sets of glyphs/characters for two languages are neither
disjoint nor a subset+superset? i.e. when they just partially overlap?

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-09-29 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

Mike Kaganski  changed:

   What|Removed |Added

   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=14
   ||8257

--- Comment #3 from Mike Kaganski  ---
Having a per-lang font assignment would likely be the most flexible and natural
solution, indeed together with a usable UI where some defaults would allow one
to avoid assigning fonts to each of 5000+ human languages ;-D

+1 from me - but this indeed needs a new format feature.

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-09-29 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

Telesto  changed:

   What|Removed |Added

 CC||mikekagan...@hotmail.com,
   ||rb.hensc...@t-online.de

--- Comment #2 from Telesto  ---
I use a broad interpretation of User Experience, including lacking
functionality/features. Which can give a bad user experience...

And well there are only so many people who are able to give feedback on this
request. UX-team; For the ODF part Regina; Styles Mike

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-09-28 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

--- Comment #1 from Eyal Rozenberg  ---
While this may seem like a UI/UX issue - that's only the tip of the iceberg.

The iceberg is the proper support for languages in LibreOffice. And before the
whole iceberg is tackled, it's premature to consider the UI implications IMHO.

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[Libreoffice-ux-advise] [Bug 151215] Let me choose different fonts for different languages in the same group

2022-09-28 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=151215

Telesto  changed:

   What|Removed |Added

 CC||libreoffice-ux-advise@lists
   ||.freedesktop.org,
   ||tele...@surfxs.nl
   Keywords||needsUXEval

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