* Possibly Weird Behavior Regarding First Lines Which are Invisible? [not found] <1623180934.4325548.1706854404633.ref@mail.yahoo.com> @ 2024-02-02 6:13 ` Jaft 2024-02-04 13:42 ` Eli Zaretskii 0 siblings, 1 reply; 2+ messages in thread From: Jaft @ 2024-02-02 6:13 UTC (permalink / raw) To: help-gnu-emacs@gnu.org So I have a buffer; let's say 9 lines. And I have a function which runs (previous-line) (beginning-of-line 1) and said function is bound to a key (let's say <up>). So I apply a text-property of 'invisible using (pos-bol) of the first line and (1+ (pos-eol)) in order to get the first line to disappear, like it's not even there. If I'm on line 3 and M-: my function, it does what I'd expect and (point) will return the (pos-bol) of the second line. But, if I execute my function by pressing <up> from line 3, (point) keeps returning back 1, the point of the beginning of line 1 rather than the point at the beginning of line 2. Is this expected behavior? I'd be less weirded out if running code through M-: gave back similar results but I get what I'd expect to happen no matter what code I run and only the unexpected behavior when running the exact same code via a key binding. I'm running version 29.1 (GTK+ version 3.24.37 but through the terminal; I wouldn't expect these to affect anything as much as the Emacs version, though. On Guix). ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Possibly Weird Behavior Regarding First Lines Which are Invisible? 2024-02-02 6:13 ` Possibly Weird Behavior Regarding First Lines Which are Invisible? Jaft @ 2024-02-04 13:42 ` Eli Zaretskii 0 siblings, 0 replies; 2+ messages in thread From: Eli Zaretskii @ 2024-02-04 13:42 UTC (permalink / raw) To: help-gnu-emacs > Date: Fri, 2 Feb 2024 06:13:24 +0000 (UTC) > From: Jaft <jaft.r@outlook.com> > > So I have a buffer; let's say 9 lines. And I have a function which runs (previous-line) (beginning-of-line 1) and said function is bound to a key (let's say <up>). > So I apply a text-property of 'invisible using (pos-bol) of the first line and (1+ (pos-eol)) in order to get the first line to disappear, like it's not even there. > If I'm on line 3 and M-: my function, it does what I'd expect and (point) will return the (pos-bol) of the second line. But, if I execute my function by pressing <up> from line 3, (point) keeps returning back 1, the point of the beginning of line 1 rather than the point at the beginning of line 2. > Is this expected behavior? Yes, it is. After you press <UP>, the automatic point-adjustment moves point to before the invisible text. If you want to disable that, set global-disable-point-adjustment to a non-nil value. ^ permalink raw reply [flat|nested] 2+ messages in thread
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2024-02-02 6:13 ` Possibly Weird Behavior Regarding First Lines Which are Invisible? Jaft
2024-02-04 13:42 ` Eli Zaretskii
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