* window-height but taking the face into account @ 2024-03-25 16:13 mbork 2024-03-25 16:57 ` Eli Zaretskii 2024-03-26 13:48 ` Stefan Monnier via Users list for the GNU Emacs text editor 0 siblings, 2 replies; 3+ messages in thread From: mbork @ 2024-03-25 16:13 UTC (permalink / raw) To: Help Gnu Emacs mailing list Hi all, it seems that `window-height' returns the same number irrespective of the font size I use (set up with `text-scale-adjust'). Is it possible to get the actual number of lines visible on the screen? And yes, I am aware that when different parts have different font sizes, it can get messy etc., but I don't care about such issues -- I just want to know how many lines are actually visible in the current window. I think I could use something like (floor (window-pixel-height) (window-default-line-height)). Is there a better way? TIA, -- Marcin Borkowski https://mbork.pl https://crimsonelevendelightpetrichor.net/ ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: window-height but taking the face into account 2024-03-25 16:13 window-height but taking the face into account mbork @ 2024-03-25 16:57 ` Eli Zaretskii 2024-03-26 13:48 ` Stefan Monnier via Users list for the GNU Emacs text editor 1 sibling, 0 replies; 3+ messages in thread From: Eli Zaretskii @ 2024-03-25 16:57 UTC (permalink / raw) To: help-gnu-emacs > From: mbork@mbork.pl > Date: Mon, 25 Mar 2024 17:13:38 +0100 > > it seems that `window-height' returns the same number irrespective of > the font size I use (set up with `text-scale-adjust'). Yes. Like all the window-dimension functions, it measures in units of canonical character height, which is the height of the frame's default face's font. > Is it possible to get the actual number of lines visible on the > screen? I'd say use line-number-at for the first and the last position in the window, then subtract the first from the last. > I think I could use something like > (floor (window-pixel-height) (window-default-line-height)). This will only be correct if all the lines in the window have the same height. ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: window-height but taking the face into account 2024-03-25 16:13 window-height but taking the face into account mbork 2024-03-25 16:57 ` Eli Zaretskii @ 2024-03-26 13:48 ` Stefan Monnier via Users list for the GNU Emacs text editor 1 sibling, 0 replies; 3+ messages in thread From: Stefan Monnier via Users list for the GNU Emacs text editor @ 2024-03-26 13:48 UTC (permalink / raw) To: help-gnu-emacs > messy etc., but I don't care about such issues -- I just want to know > how many lines are actually visible in the current window. (count-lines (window-start) (window-end))? Stefan ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2024-03-26 13:48 UTC | newest] Thread overview: 3+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2024-03-25 16:13 window-height but taking the face into account mbork 2024-03-25 16:57 ` Eli Zaretskii 2024-03-26 13:48 ` Stefan Monnier via Users list for the GNU Emacs text editor
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