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to reproduce:
( unset HOME XDG_CACHE_HOME; nsxiv -t ~/pictures; )
the code never really worked without a cache_dir going back to
original sxiv. so just fatally error out instead of crashing
with a null pointer dereference.
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doesn't really matter since the process is about to exit
anyways, but makes it consistent with everything else.
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/485
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by writing to a tmpfile first, and then renaming it to the desired
target - multiple nsxiv instances writing thumbnail at the same time are
guaranteed not to stomp over one another.
rename() is guaranteed to be atomic by POSIX. however, it can fail with
EXDEV if both the files don't reside in the same filesystem. and so we
cannot make the tmpfile something like "/tmp/nsxiv-XXXXXX".
instead, create the tmpfile inside the cache_dir to reduce chances of
EXDEV occuring.
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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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this removes some repetitive code.
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these document improvements and/or removal of unnecessary code for when
we will require a higher minimum version of Imlib2.
all the comments have been prefixed with "UPGRADE: " for easy grepping.
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/457
Reviewed-by: explosion-mental <explosion-mental@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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instead of silently ignoring bogus arguments (i.e programming errors),
which can make debugging harder, it's better to assert them so that they
get caught faster in debug builds.
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/406
Reviewed-by: explosion-mental <explosion-mental@noreply.codeberg.org>
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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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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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* 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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currently, in case of error, r_mkdir will leave the path at a truncated
state.
a7d39b0ab8 is the commit that introduced this change, and in it the
error printing is moved from r_mkdir to the caller, which makes me think
it was probably intentional.
make it so that the function itself prints the error/warning
message and returns the path back to the caller unharmed.
Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/322
Reviewed-by: Berke Kocaoğlu <berke.kocaoglu@metu.edu.tr>
Reviewed-by: TAAPArthur <taaparthur@noreply.codeberg.org>
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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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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/230
Co-authored-by: mamg22 <45301823+mamg22@users.noreply.github.com>
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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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the goal here to mark functions and variables not used outside the
translation unit as static. main reason for this is cleanliness. however
as a side-effect this can help compilers optimize better as it now has
guarantee that a certain function won't be called outside of that
translation unit.
one other side-effect of this is that accessing these vars/function from
config.h is now different.
if one wants to access a static var/func from different translation unit
in config.h, he would have to create a wrapper function under the right
ifdef. for static functions one would also need to forward declare it.
here's a dummy example of accessing the function `run_key_handler` from
config.h under _MAPPINGS_CONFIG
```
static void run_key_handler(const char *, unsigned);
bool send_with_ctrl(arg_t key) {
run_key_handler(XKeysymToString(key), ControlMask);
return false;
}
```
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* tns_clean_cache: remove unused function arg
* remove malloc casting
* improve consistency
use sizeof(T) at the end
* avoid comparing integers of different signedness
* use Window type for embed and parent
* remove unnecessary comparisons
* remove cpp style comments
* improve consistency: remove comma from the end of enumerator list
* Removed useless _IMAGE_CONFIG defines
* consistency: use the same order as snprintf
* Resolve c89 warnings
Co-authored-by: uidops <uidops@protonmail.com>
Co-authored-by: Arthur Williams <taaparthur@gmail.com>
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* Fix regression introduced in c7ca547 which made nsxiv not start in
non-TrueColor X server.
* Introduce a new fix for embedding into tabbed-alpha.
* Fixes a visual glitch from original sxiv when drawing transparent images in 8
bit depth. In 8 bit PseudoColor, `.pixel` is just an index into the 256
defined colors and thus trying to extract rgb bits from it would result in
visual glitch. The values `.color.red` on the other hand and so on are always
integers between 0 and 0xFFFF representing the color as expected.
* Use XColor for win_bg/fg and mrk_fg
Co-authored-by: NRK <nrk@disroot.org>
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* remove duplicate comment
* remove empty tabs and blank lines
* move macros and globals ontop
* comment to seprate function implementation
* fix alignment
* switch to *argv[] similar to other suckless code
* kill all empty last lines
* append comment to endif
* reuse existing ARRLEN macro
* comment fall through
* use while (true) everywhere
Co-authored-by: NRK <nrk@disroot.org>
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libXft and libfontconfig are now optional dependencies which can be
disabled via `HAVE_LIBFONTS=0`. Disabling them means disabling the
statusbar. This also does not search for freetype2 header if disabled.
Co-authored-by: NRK <nrk@disroot.org>
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this does not need to be a fatal error.
if im is NULL we're going to load it with imlib2 anyways.
one other problem this solves is that before, due to the fatal error,
the tmpfile opened under /tmp wouldn't get cleaned up.
Closes: https://github.com/nsxiv/nsxiv/issues/69
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since we're already allowing both window and bar colors to be
customizable, it doesn't make sense to not allow so for mark color.
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Co-authored-by: Guilherme Rugai Freire <41879254+GRFreire@users.noreply.github.com>
Co-authored-by: N-R-K <79544946+N-R-K@users.noreply.github.com>
Co-authored-by: NRK <nrk@disroot.org>
Co-authored-by: Arthur Williams <taaparthur@gmail.com>
Co-authored-by: eylles <ed.ylles1997@gmail.com>
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Co-authored-by: Guilherme Rugai Freire <41879254+GRFreire@users.noreply.github.com>
Co-authored-by: NRK <nrk@disroot.org>
Co-authored-by: Berke Kocaoğlu <berke.kocaoglu@metu.edu.tr>
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* set bar and text colors independently
* change xresources to Program.class.resource
* rename color variables to win/bar_bg/fg
* change default bar colors to match window colors
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Fixes issues #361 and #367
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Warning generated on MacOS, reported in issue #350.
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Two colors are more than enough!
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Since d8114e8 the file name is used for caching as-is without adding
.jpg at the end, but sxiv -c still expected old format causing it to
remove all fresh thumbnails.
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Fixes issue #295
The imlib2 TGA loader returns an imlib image handle without any actual data
when given a text file like this:
T
Content-Type: application/javascript
Content-Length: 3836
Last-Modified: Wed, 23 Sep 2015 12:25:47 GMT
Etag: "56029a4b-efc"
Expires: Sat, 20 Aug 2016 15:14:33 GMT
Cache-Control: max-age=604800, public
Accept-Ranges: bytes
Fortunately, `imlib_image_get_data()` returns NULL in this case, so that we can
use it as an additional check when opening files.
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Closes #285.
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- Functions warn() and die() replaced by GNU-like error(3) function
- Register cleanup() with atexit(3)
- Functions called by cleanup() are marked with CLEANUP and are not allowed to
call exit(3)
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