Make sure navigation bar in mobile mode is always at bottom

[kcrisman]

I just noticed this in class right now - could be pretty helpful!

[kcrisman]

To be clear, the class immediately said "yes we should have that"; scrolling to the bottom and then needing to scroll up even a medium-length page would have been quite annoying, according to unanimous decree (including the design major in my Number Theory class).

[kcrisman]

Oh, and to be REALLY clear, I see now that this only shows up when one zooms in so far that the "Contents" bar on the left disappears; otherwise the navbar is perfectly visible and usable no matter how far one scrolls. So there may be other ways to solve this other than adding a navbar at the bottom, but at any rate that is the problem.

[rbeezer]

Once you zoom, or equivalently, reduce browser width, the HTML interface
switches over to mobile mode, to accomodate all your students reading your book
on their phones when they have nothing better to do.

Is this the behavior you are seeing?

Don't zoom so far, or get a wider screen? ;-)

On 01/31/2015 07:49 PM, kcrisman wrote:

Oh, and to be REALLY clear, I see now that this only shows up when one zooms in
so far that the "Contents" bar on the left disappears; otherwise the navbar is
perfectly visible and usable no matter how far one scrolls. So there may be
other ways to solve this other than adding a navbar at the bottom, but at any
rate that is the problem.

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[kcrisman]

Yes, this is exactly the behavior.

Don't zoom so far, or get a wider screen? ;-)

Nice try. In mobile mode, then, there should be some kind of small navbar at the bottom of a page. I'll edit the title.

[davidfarmer]

Apparently you aren't seeing the nav buttons at the bottom
when the screen is narrow? The issue is why the feature is
not working, not that we need to add the feature. Can you describe
the setup, and what you do see?

On Mon, 2 Feb 2015, kcrisman wrote:

Yes, this is exactly the behavior.

  Don't zoom so far, or get a wider screen? ;-)

Nice try. In mobile mode, then, there should be some kind of small navbar at the bottom of a page. I'll edit the title.

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[kcrisman]

Okay, I think I have it. The issue is that in some browsers the feature is not working - in modern Chrome and FF it works fine, in an older Safari not. Given that we cannot expect everyone to have the most up-to-date browser (and I haven't tried this in IE, which of course many horribly old variants of still exist all over the world), probably there should be something retrofitting for that situation. Maybe it's a too-new js library?

[kcrisman]

I'll send some screenshots off-list.

[davidfarmer]

It can be a truly enormous amount of work to support old browsers.

I really don't see the possibility of someone volunteering to write
that code, or us finding the money to pay someone to do it. In fact,
if someone wanted to put that much effort into the project, I could
think of 10 other things that are higher priority.

Considering that there are (at least) 3 free modern browsers in which
things work fine, I am having a hard time imagining that supporting
old browsers could every become high on our list of priorities.

On Mon, 2 Feb 2015, kcrisman wrote:

Okay, I think I have it. The issue is that in some browsers the feature is not working - in modern Chrome and FF it works
fine, in an older Safari not. Given that we cannot expect everyone to have the most up-to-date browser (and I haven't tried
this in IE, which of course many horribly old variants of still exist all over the world), probably there should be
something retrofitting for that situation. Maybe it's a too-new js library?

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[kcrisman]

That may be so, but it's still worth having the ticket open. In this case, I suspect it's something fairly innocuous.

[davidfarmer]

Please close, as this is obsolete