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caught by the github CI.
the woodpecker CI somehow missed this.
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/497
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this makes it so that script outputs are read when the script
actually finishes. one objection to reading on POLLHUP was that
the script might fill up the pipe and get stuck. we already mark
the read-end as non-blocking on our end so might as well make
the write-end non-blocking as well which avoids the script
getting blocked after (and if) it fills up the pipe.
ref: https://codeberg.org/nsxiv/nsxiv/pulls/334
Closes: https://codeberg.org/nsxiv/nsxiv/issues/377
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/490
Reviewed-by: eylles <eylles@noreply.codeberg.org>
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the previous check_timeouts() logic tried to greedily handle as
many timeouts as possible until there are no more active
timeouts left. this caused a number of issues such as:
https://codeberg.org/nsxiv/nsxiv/issues/439
https://codeberg.org/nsxiv/nsxiv-record/issues/281
the new logic relaxes this and only does a single iteration.
any remaining active timeout will be picked up by the next
iteration instead.
Fixes: https://codeberg.org/nsxiv/nsxiv/issues/439
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this makes it more consistent with e4fceab by moving the key-handler
related messages to the right side as well.
additionally this fixes a regression introduced by 3659361 where the
left statusbar would remain at "Running key-handler..." if the image
didn't change.
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/481
Reviewed-by: eylles <eylles@noreply.codeberg.org>
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the cli flag is undocumented for now, since it's experimental.
Closes: https://codeberg.org/nsxiv/nsxiv/issues/416
Closes: https://codeberg.org/nsxiv/nsxiv/pulls/425
Co-authored-by: explosion-mental <explosion0mental@gmail.com>
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currently the logic of when to open/close script is scattered around the
entire code-base which is both ugly and error-prone.
this patch centralizes script handling by remembering the relevant
information on each redraw and then comparing it with the previous
information to figure out whether something changed or not.
this also fixes a bug where scripts weren't being called in thumbnail
mode when mouse was used for selecting a different image.
Closes: https://codeberg.org/nsxiv/nsxiv/issues/475
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/477
Reviewed-by: eylles <eylles@noreply.codeberg.org>
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currently the autoreload feature of nsxiv is a bit unreliable because we
try to load at the very first event we received. however, the writer
might not be done writing and so we might try to load a truncated image
(and fail).
in the following ascii diagram, function S represents sleep and `+` sign
represents writes by the writer. because we set the sleep (of 10ms) at
the first event, subsequent writes by the writer doesn't influence our
reload logic:
S(10) load()
nsxiv | |
writer + + + + (done)
time(ms): 00 05 10 15
after this patch, (assuming function T (re)sets a timeout), we will keep
(re)setting a timeout on new events giving the writer more time to
finish:
T(10) T(10) T(10) T(10) load()
nsxiv | | | | |
writer + + + + (done)
time(ms): 00 05 10 15 20 25
while this patch makes things significantly more robust, the problem
here is inherently unsolvable since there's no way to tell whether the
writer is done writing or not.
for example, if user does something like `curl 'some.png' > test.png`
then curl might stop for a second or two in the middle of writing due to
internet issues - which will make nsxiv drop the image.
this patch also increases the autoreload delay from 10ms to now 128ms
instead to decrease chances of false failures.
ref: https://github.com/0ion9/sxiv/commit/6ae2df6ed549c2cc119bd7d235b75154fc042d2d
partially-fixes: https://codeberg.org/nsxiv/nsxiv/issues/456
commit-message-by: NRK
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/459
Reviewed-by: eylles <eylles@noreply.codeberg.org>
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this avoids overwriting the left side bar,
which might contain more important information,
for e.g output of the thumb-info script.
Co-authored-by: A1337Xyz <blindwizard@tutanota.com>
Co-authored-by: NRK <nrk@disroot.org>
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/446
Reviewed-by: eylles <eylles@noreply.codeberg.org>
Reviewed-by: NRK <nrk@disroot.org>
Co-authored-by: a1337xyz <a1337xyz@noreply.codeberg.org>
Co-committed-by: a1337xyz <a1337xyz@noreply.codeberg.org>
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minus the bogus changes
Co-authored-by: Berke Kocaoğlu <berke.kocaoglu@metu.edu.tr>
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Co-authored-by: Berke Kocaoğlu <berke.kocaoglu@metu.edu.tr>
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bf6c062 tried to fixed the thumbnail leak, but it was done inside a
`if (n+1 < filecnt)` branch, meaning the thumbnail was still leaking
away whenever the last file was removed.
we need to unload the thumb regardless of whether it's in the middle or
not. this bug was caught due to the recent `assert`s that were added in
01f3cf2.
Closes: https://codeberg.org/nsxiv/nsxiv/issues/422
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/423
Reviewed-by: eylles <eylles@noreply.codeberg.org>
Reviewed-by: explosion-mental <explosion-mental@noreply.codeberg.org>
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reported by thread-sanitizer.
the sighandler's spoiled `errno` was causing xlib to incorrectly assume some
error occurred and thus causing the crash described in #391.
to reproduce:
* Open an nsxiv window
* Open another terminal and run the following:
var=$(pidof nsxiv); while :; do kill -s SIGCHLD $var; done
putting the `pid` into a variable is actually important because doing
`$(pidof nsxiv)` inside the loop makes it really hard to reproduce the
issue, I presume because of the extra process invocation it was sending
less SIGCHLD and so putting it into a variable avoids that overhead and
is able to generate more signals.
instead of reaping the zombies manually, we now pass the
`SA_NOCLDSTOP|SA_NOCLDWAIT` for SIGCHLD instead so that the zombies are
reaped automatically.
Closes: https://codeberg.org/nsxiv/nsxiv/issues/391
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/411
Reviewed-by: explosion-mental <explosion-mental@noreply.codeberg.org>
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Closes: https://codeberg.org/nsxiv/nsxiv/issues/313
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/314
Reviewed-by: eylles <eylles@noreply.codeberg.org>
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posix_spawn() is designed especially for this purpose, and thus it's
much more lightweight and efficient than manually fork/dup/exec-ing.
on my system, it improves the performance of spawn() by about 10x. given
that we make frequent calls to potentially multiple scripts, the
increased efficiency will add up overtime.
using posix_spawn() also simplifies the logic quite a bit, despite the
very verbose function names. however it does make cleanup a bit more
complicated.
this patch uses the linux kernel style cleanup strategy [0] (which I'm
personally not a huge fan of, but it fits this situation quite nicely)
with a "stack-like" unwinding via `goto`-s.
additionally simplify the spawn() API by taking in {read,write}fd
pointers and returning the pid instead of using some custom struct.
this coincidently also fixes #299
[0]: https://www.kernel.org/doc/html/v4.10/process/coding-style.html?highlight=goto#centralized-exiting-of-functions
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* Imlib2 supports modifying gamma, brightness and contrast directly
while sxiv only supports gamma. Makes sense to extend it to brightness
and contrast as well.
* Since color corrections need to be aware of each other, they have been
refactored into one centralized function.
* This also makes the code more hackable as it makes it easier to add
more color correction functions without them interfering with each
other.
Co-authored-by: 0ion9 <finticemo@gmail.com>
Co-authored-by: NRK <nrk@disroot.org>
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/396
Reviewed-by: NRK <nrk@disroot.org>
Reviewed-by: TAAPArthur <taaparthur@noreply.codeberg.org>
Co-authored-by: Berke Kocaoğlu <kberke@metu.edu.tr>
Co-committed-by: Berke Kocaoğlu <kberke@metu.edu.tr>
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this basically just extracts the logic that was previously inside
`main()` into a seperate function `add_entry()` so that it can be used
for accepting entries form stdin as well.
Closes: https://codeberg.org/nsxiv/nsxiv/issues/382
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/383
Reviewed-by: Berke Kocaoğlu <berke.kocaoglu@metu.edu.tr>
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* ensure static variables comes after non-static ones
* remove depreciated DATA32 type
* prefer `sizeof(expression)` over `sizeof(Type)`.
* silence a -Wsign warning
* {gif,webp} loader: use a pointer to reduce code-noise
* gif loader: allocate in one place
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/374
Reviewed-by: TAAPArthur <taaparthur@noreply.codeberg.org>
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The suckless coding style [^0] and the linux coding style [^1] both
recommends not indenting switch cases. And it helps out people with
lower resolution monitors.
[^0]: https://suckless.org/coding_style/
[^1]: https://www.kernel.org/doc/html/v5.10/process/coding-style.html#indentation
Co-authored-by: explosion-mental <explosion0mental@gmail.com>
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/358
Reviewed-by: NRK <nrk@disroot.org>
Co-authored-by: explosion-mental <explosion-mental@noreply.codeberg.org>
Co-committed-by: explosion-mental <explosion-mental@noreply.codeberg.org>
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* run_key_handler: make the logic easier to follow
* remove timeout_t
the typedef is not needed. inline the declaration similar to the other
static structs.
* simplify estrdup
reuse emalloc, instead of calling malloc and null-checking.
* win_clear: initialize `e` right away
* process_bindings: explicitly check against NULL
most pointer checks in the codebase do explicit check.
* use a named constant instead of magic number
also changes the padding from 3 to 4 bytes according to [0]. but i
couldn't find any situtation where this mattered, so perhaps the current
padding is enough. but doesn't hurt adding one more byte.
[0]: https://nullprogram.com/blog/2017/10/06/
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/356
Reviewed-by: explosion-mental <explosion-mental@noreply.codeberg.org>
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the current code is quite hacky and complex as it mixes multiple pointers. all
of this complexity is unnecessary. drop it by introducing an explicit scratch
buffer instead of implicitly abusing `arl->filename` as one. this also reduces
some unnecessary allocation overhead.
additionally, the argument to arl_setup must be the result of `realpath(3)` (as
commented in `nsxiv.h`). instead of commenting it, assert it.
and lastly, rename `arl_setup` to `arl_add` since it's not doing any "setup"
but rather *adding* a file to watch.
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/342
Reviewed-by: explosion-mental <explosion-mental@noreply.codeberg.org>
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this was one of the cases which got missed in 591be8c, if someone starts
with `-t` the statusbar will remain at "Loading ...". Once we're done
loading all the thumbnail, make sure to open_info() so that `thumb-info`
gets called.
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/341
Reviewed-by: explosion-mental <explosion-mental@noreply.codeberg.org>
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mixing signed and unsigned types in comparison can end up having
unintended results. for example:
if (-1 < 1U)
printf("true\n");
else
printf("false\n");
previously we silenced these warnings, instead just fix them properly
via necessary casting, and in cases where the value cannot be negative
(e.g width/height members) make them unsigned.
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/336
Reviewed-by: explosion-mental <explosion-mental@noreply.codeberg.org>
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* includes are sorted alphabetically
* their grouping and layout is the following:
- nsxiv.h will be the first include
- followed by any internal headers (e.g "commands.h" "config.h")
- followed by system headers (<stdlib.h> etc)
- followed by third party headers (X.h libwebp etc)
* also add `llvm-include-order` check to clang-tidy so that it can catch
unsorted includes during CI.
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* rm unused include <sys/types.h>
* move <sys/time.h> to main.c, it's the only file that needs it.
* move TV_* macros to main.c
* let *.c files explicitly include what they need instead of including
them at nsxiv.h
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identifiers beginning with an underscore is reserved by the C standard.
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it's possible for the close() calls to override the errno resulting in
incorrect error message being printed.
call error() immediately to avoid such possibilities.
also refactor a couple conditions to avoid doing multiple checks.
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/321
Reviewed-by: Berke Kocaoğlu <berke.kocaoglu@metu.edu.tr>
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instead of dancing around with some `init` parameter, directly give
`win_set_title()` what it needs. `get_win_title()` now also does *just*
what the name says.
this simplifies things quite a bit and the functions now do what their
name implies more closely instead of doing some `init` dance internally.
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rather than calling the script unconditionally per redraw, we now have
a `title_dirty` flag and keep track of when any of the relavent
information changes.
Co-authored-by: Arthur Williams <taaparthur@gmail.com>
Partially fixes: https://github.com/nsxiv/nsxiv/issues/258
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currently the way check_timeout() is implemented, animate has higher
priority than slideshow. so if doing a redraw takes longer than the
frame delay of the animated image then it's going to continuously keep
animating and never reliably get to slideshow.
this issue can occur if the animated image has too fast of a delay or if
nsxiv is being run on a slow system where doing redraw takes too long.
the issue can be emulated by artificially slowing down img_render by
sticking a sleep in there.
diff --git a/main.c b/main.c
index 5dc52d4..0580011 100644
--- a/main.c
+++ b/main.c
@@ -441,6 +441,7 @@ void redraw(void)
if (mode == MODE_IMAGE) {
img_render(&img);
+ nanosleep(&(struct timespec){0, 62000000}, NULL); /* 62ms */
if (img.ss.on) {
t = img.ss.delay * 100;
if (img.multi.cnt > 0 && img.multi.animate)
make it so that slideshow has higher priority than animate to fix
the issue.
Closes: https://github.com/nsxiv/nsxiv/issues/281
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to reproduce:
1. have an image-info script
2. invoke the key-handler
3. cancle invocation by pressing `escape`
at this point, the statusbar ends up being empty.
the regression seems to be caused by 6922d5d (changing select to poll),
unsure why that is.
in any case, this simplifies read_info quite a bit and solves the
regression as well. in short:
* read straight into the statusbar buffer
* if read succeeds, make sure buffer is null terminated and replace any
newline with space
* close the script
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this happens when the keyhandler is invoked while viewing an animated
image. if {image,thumb}-info scripts exists, everything works as
expected. but if they don't, then update_info will override the
statusbar.
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before we were using select, which expected `struct timeval` as
arg. so we needed to do ms -> timeval conversions.
but now since we're using poll, which accepts milisec as arg, there's
no need to do ms -> timeval -> ms. instead have check_timeouts directly
return ms.
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with a couple exceptions as they cause too many -Wshadow warnings.
also moves the `extcmd_t` typedef on top for cosmetic purposes.
also enable `-Wmissing-prototypes` in the ci
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Closes: https://github.com/nsxiv/nsxiv/issues/88
Closes: https://github.com/nsxiv/nsxiv/pull/253
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usage of select (3) in modern programs is typically discouraged.
this simply replaces the select call with poll (3) instead.
and since poll conveniently ignores negative fds, this also reduces
needs for some special casing.
this also handles error if they occur, while old implementation didn't.
other than the error handling, no change in functionality should occur.
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this would eventually end up opening too many fds and erroring out with
"too many open files".
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before if exec/win-title didn't exist then window title wouldn't be set.
this patch makes it so window title is always set to something.
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* put TOP_STATUSBAR under the HAVE_LIBFONTS guard
* change get_win_title param to take unsigned char ptr
* init UTF8_STRING like other atoms
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this removes the cli flag `-T` as well as related config.h options.
Co-authored-by: Berke Kocaoğlu <berke.kocaoglu@metu.edu.tr>
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this allows for configuring thumbnail mode mouse bindings similar to
image mode bindings.
however we can't put the thumbnails bindings into the existing buttons[]
array due to fallthrough. For example M3 would switch mode and then end
up selecting an image.
which is why thumbnail bindings have been put into it's own array
`buttons_tns[]` and `buttons[]` has been renamed to `buttons_img[]` for
consistency.
Closes: https://github.com/nsxiv/nsxiv/issues/131
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fixes all -Wshadow related warnings (on gcc). this would allow us to use
`-Wshadow` in github workflow (https://github.com/nsxiv/nsxiv/pull/195).
i've thought about adding `-Wshadow` to our Makefile as well, but
decided against it to keep the Makefile CFLAGS barebore/minimal.
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