[OS X TeX] pdf viewers: pop-ups at hyperref links

Sun Jul 10 13:18:48 EDT 2022

I’ve also found the hyperlink pop-ups less than completely satisfactory on both Skim and TeXShop. I usually use this feature for quickly reviewing the lemma or proposition or whatever the link is referring to, and it often cuts the text off on the right (in my case) and also on the bottom if the text of the lemma or whatever has more than a few lines. I’m still using a 1080p (<4K) monitor.

Skim does have an additional tool though. (I use single page view, and I’m not sure how this works with a double page view). If you hover the cursor over the link long enough for the pop-up to appear and then do a command-click on the link, Skim displays off to the side a window of a full page width view of the lemma or whatever, but only maybe ten lines long, and it’s scrollable vertically. Then I can examine the text on both pages side by side and determine whether or not, for example, the lemma really does imply what I said it does. The one thing that annoys me about this though is that I first have to wait for the pop-up to appear. If I command-click before the popup appears, a tiny useless window pops up. I believe that at one time I used to be able to do a command-click before the pop-up appeared and it worked properly, but at some point it stopped working properly.

Richard Séguin

> On Jul 10, 2022, at 6:25 AM, Roussanka Loukanova <rl.stpuu at gmail.com> wrote:
> 
> Hi Murray, Hi everybody,
> 
> 
> 
> 
> On Sat, Jul 9, 2022 at 7:07 PM Murray Eisenberg
> <murrayeisenberg at gmail.com> wrote:
>> 
>> 
>> 
>> On 9 Jul2022, at 12:08 PM, Herbert Schulz via MacOSX-TeX <macosx-tex at email.esm.psu.edu> wrote:
>> 
>> 
>> 
>> On Jul 9, 2022, at 10:46 AM, Murray Eisenberg <murrayeisenberg at gmail.com> wrote:
>> 
>> The previewer in TeXShop has the delightful feature that if you hover the mouse cursor over a hyperlink, a little window pops-up showing the target of that hyperlink.
>> 
>> This allows you to see the target without having to actually jump to it (with a click), which loses the place you were originally viewing.
>> 
> 
>> Howdy,
>> 
>> Not true. After clicking and going to the hyperlinked information press the back triangle on the preview window's toolbar. The left/right triangles are back/forward in document location as opposed to page back/forward (up/down).
>> 
> 
> Skim has the same feature, including, after having jumped to the
> hyperlinked page, to return back to the spot of the hyperlink. This is
> very useful to quickly check math displays (equations, etc.)
> 
> There is a difference between TexShop pdf preview and Skim:
> 
> - In Skim, on my 13" screen:
> The pop-up target, a small window, displays only portions of the math
> displays. Typically, the left-hand portion of a math display is cut
> off. This makes it of little use, in many cases, actually almost
> always. Thus, I have to jump to the target page to see the full math
> display.
> The small pop-up window shows the right-hand side of the math display,
> in full, including its tag / number.
> It is very useful that the font size of the math, in the pop-up
> window, is sufficiently large to see clearly the math symbols of the
> visible portion.
> 
> - In TexShop pdf display:
> The pop-up small window shows almost the entire math display. I guess,
> this is achieved by the tiny font-size of the math display in the
> small pop-up window,  to fit in. But, it's also shifted, so that the
> right-hand side of the equation tag / number is cut off and not shown,
> while the left-hand side margin is shown, which is empty space.
> 
> The major difference:
> 
> In Skim:
> the font-size is usefully large, but the math display is cut-off, and
> I can see only a portion of it.
> 
> In TexShop:
> the tiny font-size allows me to see almost the entire math display
> (except the right-hand tag / number), but it is too small to see
> details of the math symbols. It shows the empty left margin, which is
> a waste of space.
> 
> I guess these differences are related to the scale of the pdf display,
> and the screen size.
> 
> On a very old MacBook Air 13", that is how I see the pop-up small windows.
> 
> At one point, I wrote to Christian of Skim about this problem. But I
> have not been able to figure out whether that can be adjusted, e.g.,
> in the preferences, etc. settings, or if it's part of settings in the
> software of the pdf display.
> 
> Best Regards,
> Roussanka
> 
>> If you refer to some capability of the TeXShop previewer to return to the source of a hyperlink after going to the target, that is not what I’m asking about.
>> 
>> I’m asking about the pop-up feature, which allows you to see the content of the page having the source of the link and, at the same time (albeit with a bit of obscuring that page) a pop-up showing the target of the link.
>> 
>> For example, I have a hyperlinked reference on page 200 to Theorem 2.34; clicking that link pops-up a little window showing Theorem 2.34 (not the whole page that had Theorem 2.34 on it).
>> 
>> I’m asking about PDF viewers other than the one included in TeXShop — viewers that an end-user of a pdf produced from TeXShop would be employing.
>> ---
>> Murray Eisenberg murrayeisenberg at gmail.com
>> Mobile (413)-427-5334
>> 503 King Farm Blvd #101
>> Rockville, MD 20850-6667
>> 
>> 
>> 
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