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Re: Conditional themes?
From: |
Dr. Tilmann Bubeck |
Subject: |
Re: Conditional themes? |
Date: |
Sat, 06 Oct 2012 17:12:47 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120911 Thunderbird/15.0.1 |
Hello!
> You can make your theme dynamic by using percentages in your theme.txt
Yes, this is right, but sometimes not enough. If you think of a 640x480
screen and compare its theme with a 1200x800 screen, than you see, that
totally different themes are needed. Its not only percentage. You may
decide to put more information into the boot screen or add more
graphics, which is simply not possible on smaller screens.
Sure, we can offer two independent themes and switch them statically.
But I think of a generic solution having a bundle of themes, which get
selected automatically depending on resolution or other stuff.
> videoinfo --show-width --set width
Your above suggestion is a third method to get the width. We now have:
1. ${gfxwidth}
A variable getting its value automatically.
2. videoinfo --show-width --set width
Extend videoinfo to offer "--show-width" and "--set"
to set the value to a variable.
3. $(videoinfo --show-width)
Extend videoinfo to offer "--show-width" and implement
shell backticks to get that value
Its a matter of taste, so I ask you, the GRUB developers, what you like
more. Number 3 is most generic and most useful for other similar things
and number 1 is the most easiest to implement.
Thanks for any feedback.
Till
Am 04.10.2012 16:09, schrieb Dr. Tilmann Bubeck:
Hello GRUB,
are there plans to make theming conditional, depending on screen
resolution? Today you have one theme, which is used for all screen
resolutions from 320x200 up to 1600x800. When using "gfxmode=auto" you
do not really know, which resolution you get. The theme may look ugly or
may be completly unusable (see
https://bugzilla.redhat.com/show_bug.cgi?id=850783).
I could think of some application logic in grub.cfg, e.g.
if [ "${gfxwidth}" -lt 800 ]; then
theme=${root}/grub2/themes/small
else
theme=${root}/grub2/themes/large
fi
What do you think about that?
An even more general idea would be to implement a shellish backticks
operator $() and extend some commands to print out information (here
"videoinfo"), like:
width=$(videoinfo --show-width)
if [ "${width}" -lt 800 ]; then
theme=${root}/grub2/themes/small
else
theme=${root}/grub2/themes/large
fi
Any comments?
Kind regards,
Tilmann
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| | dr. tilmann bubeck reinform medien- und |
| | informationstechnologie AG |
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| | vorstand: dr. tilmann bubeck (vorsitz) |
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+-------+-------------------------------------------------------------+
--
+-------+-------------------------------------------------------------+
| | dr. tilmann bubeck reinform medien- und |
| | informationstechnologie AG |
| rein | fon : +49 (711) 7 82 76-52 loeffelstr. 40 |
| form | fax : +49 (711) 7 82 76-46 70597 stuttgart / germany |
| AG | cell.: +49 (172) 8 84 29 72 fon: +49 (711) 75 86 56-10 |
| | email: address@hidden http://www.reinform.de |
| +-------------------------------------------------------------+
| | pflichtangaben nach paragraph 80, AktG: |
| | reinform medien- und informationstechnologie AG, stuttgart |
| | handelsregister stuttgart, HRB 23001 |
| | vorstand: dr. tilmann bubeck (vorsitz) |
| | aufsichtsrat: frank stege (vorsitz) |
+-------+-------------------------------------------------------------+