[IPython-dev] [PATCH] Jumpy notebook fixes

Brian Granger ellisonbg@gmail....
Mon Jun 4 23:07:33 CDT 2012


Great, will follow up there.  Thanks!

On Mon, Jun 4, 2012 at 3:05 PM, Bob McElrath <bob+ipython@mcelrath.org> wrote:
> Pull request submitted.  Let me know if I've done something wrong, I'm new to
> git and github.
>
> Brian Granger [ellisonbg@gmail.com] wrote:
>> Bob,
>>
>> Thanks for this - we have been meaning to look at this.  Can you open
>> a pull request on github so we can review it there.
>>
>> Thanks!
>>
>> Brian
>>
>> On Mon, Jun 4, 2012 at 12:03 PM, Bob McElrath <bob+ipython@mcelrath.org> wrote:
>> > I was bothered that in a number of different circumstances, the contents of the
>> > Notebook would "jump".  For instance, when I focus on different cells in the
>> > notebook, the text would jump over and down by 1px due to the added border.  The
>> > menu bar has the same problem.  Also, clicking on a large cell that is partially
>> > off screen would cause the window to recenter on its input cell, making it
>> > difficult to select or examine part of a long output cell.
>> >
>> > So attached is a tiny patch for these problems.  (against git head)
>> >
>> > Explanation:
>> >
>> > Menu: the menu items need a 1px border so that when one is added by jQuery, the
>> > menu item doesn't shift by 1px.  (ui-menu and ui-menu-item classes)
>> >
>> > Cell focus: The jQuery class .ui-widget-content draws the border on the focused
>> > cell, but the unfocused cell doesn't have a border, causing 1px jumping.  The
>> > solution is to add a border for it, but then this will have higher specificity
>> > than the jQuery class.  So I also added a redefinition of the focused cell
>> > border with div.ui-widget-content, which has higher specificity.  A selected
>> > cell was additionally getting an outline from jQuery when :active.  I also
>> > disabled this by setting 'outline: none', to prevent flashing of the border when
>> > a cell is clicked on.
>> >
>> > Cell focus scrolling: The CodeMirror focus() call causes the window to scroll to
>> > the CodeMirror input cell.  I removed this call from CodeCell.prototype.select()
>> > and RawCell.prototype.select().  Additionally, the CodeMirror refresh() call is
>> > only required if the input cell changes and must be redrawn.  This doesn't
>> > happen on focus, it happens on edit, and refresh() is properly called in
>> > TextCell.prototype.edit(), so isn't required in select().  I removed these
>> > superfluous refresh() calls too.
>> >
>> > In the future I'll use git, because I anticipate doing more work on IPython, but
>> > for this tiny first patch, I thought I'd send it here.
>> >
>> > Aside: nice job guys, you've managed to get me to do real mathematical work in
>> > something other than Maple.  I *love* the IPython Notebook.  I've been cursing
>> > and screaming at Maple/Mathematica, wanting something like the IPython notebook
>> > for *years*.  (Some years ago I wrote an Axiom/TiddlyWiki "notebook"-like
>> > interface that's very similar to your notebook, but didn't have the time/energy
>> > to take it further)  If anyone is interested in a TiddlyWiki/IPython
>> > combination, talk to me.
>> >
>> > --
>> > Cheers, Bob McElrath
>> >
>> > "The individual has always had to struggle to keep from being overwhelmed by
>> > the tribe.  If you try it, you will be lonely often, and sometimes frightened.
>> > But no price is too high to pay for the privilege of owning yourself."
>> >    -- Friedrich Nietzsche
>> >
>> > _______________________________________________
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>> > IPython-dev@scipy.org
>> > http://mail.scipy.org/mailman/listinfo/ipython-dev
>> >
>>
>>
>>
>> --
>> Brian E. Granger
>> Cal Poly State University, San Luis Obispo
>> bgranger@calpoly.edu and ellisonbg@gmail.com
>> _______________________________________________
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> --
> Cheers, Bob McElrath
>
> "The individual has always had to struggle to keep from being overwhelmed by
> the tribe.  If you try it, you will be lonely often, and sometimes frightened.
> But no price is too high to pay for the privilege of owning yourself."
>    -- Friedrich Nietzsche
> _______________________________________________
> IPython-dev mailing list
> IPython-dev@scipy.org
> http://mail.scipy.org/mailman/listinfo/ipython-dev



-- 
Brian E. Granger
Cal Poly State University, San Luis Obispo
bgranger@calpoly.edu and ellisonbg@gmail.com


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