That is correct. The view does extend below the tool- and titlebar, that is related to the blurred shine through effect in the titlebar. And the problem does seem to get worse when the area it moves behind is bigger. Although it does not seem be directly equal to it (i.e. the wrong offset you get in scrolling is not equal the size of the title- and toolbar, it is luckily much smaller, which I find a bit strange, Apple’s making a very weird calculation error). So I guess without the toolbar, it would be even less. And if in addition you add the find bar (Cmd-F), the problem is even worse.
If you think this problem is really intrusive for you, we have a hidden preference to not extend the view below the title, tool, and find bar which you could turn on. You can find the details about setting on the Wiki. The preference is called SKDisableSearchBarBlurring. It looks like with that option it will scroll exactly by the view area. As I said before, I still think that is wrong, as it should scroll by less than that. For instance, if the line at the bottom is only partially visible, you should see the full line after scrolling, not the lower half (you never read upper and lower halfs separately). Hopefully Apple will fix this in a future OS version, but unfortunately scrolling and navigation the PDF view has never worked without problems (although the bugs vary by OS version). Christiaan > On 27 Feb 2024, at 13:52, Derek Van Ittersum <[email protected]> > wrote: > > One follow up here--I notice when I set the toolbar to "text only" (instead > of "icon only") there is nearly no problem--there doesn't appear to be any > lines missing in the scroll. It almost seems as if the bigger toolbar > obscures the view of the PDF. > > On Mon, Feb 26, 2024 at 10:03 AM Christiaan Hofman <[email protected] > <mailto:[email protected]>> wrote: > > >> On 26 Feb 2024, at 13:35, Derek Van Ittersum <[email protected] >> <mailto:[email protected]>> wrote: >> >> This question is in reference to another earlier thread: >> https://sourceforge.net/p/skim-app/mailman/message/37882805/ >> <https://sourceforge.net/p/skim-app/mailman/message/37882805/> >> >> I'm not sure I understand the logic here or how to work around it. When I am >> reading a PDF and scrolling via the space bar, I need to adjust the viewable >> content with the up arrow key after each press of the space bar. That is, I >> don't want to scroll to the top of the next page, I want to read the next >> screenful of content. Yet, when I press the space bar, the next screenful of >> content has skipped about a line and a half. Could there be an option to >> designate how much overlap in content to show when scrolling via the space >> bar (or page down key)? >> >> Thanks, >> Derek > > The scrolling in the PDF view is implemented by Apple, so for us (and you) it > just works the way it does. There is no way we can change that, so we cannot > provide an option to do it differently. > > I do think it should really scroll by a little /less/ than a full view > height, which is what scroll views normally do .But for some reason, in the > PDF view it does not do that. I consider that a bug, but one of Apple, which > only they can fix. I already did report that to them, but never got a > reaction. You may also file a bug report with Apple if you want. > > Christiaan
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