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08d9a031
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2025-04-08T06:31:33
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Unicode: Make surrogate handling more explicit
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47c2c820
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2025-04-08T18:09:41
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Add internal API to get all explicit names of a keysym
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a5c2c746
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2025-02-06T12:27:25
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Fix a few direct modifications to generated files
Accidentally modified generated files in a couple of recent changes.
Sync the templates.
Signed-off-by: Ran Benita <ran@unusedvar.com>
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113ac304
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2025-01-25T03:18:01
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meson: link tests and benches against shared library, not static library
This makes the tests, and especially benches, more realistic, since
xkbcommon is almost always used as a shared library.
Also significantly reduces the build time with LTO enabled (for me, from
90s to 30s).
Signed-off-by: Ran Benita <ran@unusedvar.com>
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df2322d7
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2025-02-05T14:41:21
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Replace include guards by `#pragma once`
We currently have a mix of include headers, pragma once and some
missing.
pragma once is not standard but is widely supported, and we already use
it with no issues, so I'd say it's not a problem.
Let's convert all headers to pragma once to avoid the annoying include
guards.
The public headers are *not* converted.
Signed-off-by: Ran Benita <ran@unusedvar.com>
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e120807b
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2025-01-29T15:35:22
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Update license notices to SDPX short identifiers + update LICENSE
Fix #628.
Signed-off-by: Ran Benita <ran@unusedvar.com>
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43b26bd7
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2024-11-29T08:51:41
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keysyms: Update to Unicode 16.0
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1d897502
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2024-10-04T08:09:28
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keysyms: Update using latest xorgproto
xorgproto commit: d7ea44d5f04cc476dee83ef439a847172f7a6bd1
Relevant MR: https://gitlab.freedesktop.org/xorg/proto/xorgproto/-/merge_requests/91
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44df6eee
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2024-09-23T07:27:48
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Add new warnings for deprecated keysyms
Add 2 new warnings:
- Deprecated keysym name (typo, historical alias, etc.);
- Deprecated keysym (all names and forms).
Guard deprecated keysym tests with verbosity level ≥2, so they are
run only when actually needed.
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378badab
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2024-09-19T17:30:55
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Add function xkb_keysym_is_deprecated
This function allow to check whether a keysym is deprecated, based
on the keysym and optionally its name.
The generation of the table of deprecated keysyms relies on the
rules described in `xkbcommon-keysyms.h`.
The `ks_table.h` is now generated deterministically by setting
explicitly the random seed to a constant. This will avoid noisy
diffs in the future.
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e4269202
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2024-09-20T10:41:00
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keysyms: Fix off-by-one XKB_KEYSYM_NAME_MAX_SIZE
The constant did not account for the terminating `NULL` byte and this was
sadly not caught by the tests.
Fixed the invalid value, the corresponding script and the tests.
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e83d08dd
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2024-02-23T17:10:15
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keysyms: Fast and complete case mappings (Unicode 15.1)
The current code to handle keysym case mappings is quite complex and
slow. It is also incomplete, as it does not cover recent Unicode
database. Finally, it does not handle title case correctly.
It would be easier if we were to use only a lookup table, but a trivial
implementation would lead to a huge array: the cased characters range
from `U+0041` to `U+`1F189, i.e. a span of 127 304 elements.
Thus we need some tricks to compress the lookup table. We based our
work on the post:
https://github.com/apankrat/notes/blob/3c551cb028595fd34046c5761fd12d1692576003/fast-case-conversion/README.md
The compression algorithm is roughly:
1. Compute the delta between the characters and their mappings.
2. Split the delta array in chunk of a given size.
3. Rearrange the order of the chunks in order to optimize consecutive
chunks overlap.
4. Create a data table with the reordered chunks and an index table
that maps the original chunk index to its offset in the data table.
The compression algorithm is then applied a second time to the previous
index table.
The complete algorithm optimizes the two chunk sizes in order to get
the lowest total data size.
The mappings were generated using CPython 3.12.4, PyICU 2.13, PyYaml
6.0.1 and ICU 75.1.
Also:
- Added explicit list of named keysyms and their case mappings.
- Added benchmark for case mappings.
- Rework ICU tests.
Note: 13b30f4f0dccc08dfea426d73570b913596ed602 introduced a fix for
sharp S `U+00DF`. With the new implementation, the *conversion*
functions `xkb_keysym_to_{lower,upper}` leave it *unchanged*, while
the *predicate* functions `xkb_keysym_is_{lower,upper_or_title}`
produce the expected results:
```c
xkb_keysym_to_upper(XKB_KEY_ssharp) == XKB_KEY_ssharp;
xkb_keysym_to_lower(XKB_KEY_ssharp) == XKB_KEY_ssharp;
xkb_keysym_to_lower(XKB_KEY_Ssharp) == XKB_KEY_ssharp;
xkb_keysym_is_lower (XKB_KEY_ssharp) == true;
xkb_keysym_is_upper_or_title(XKB_KEY_Ssharp) == true;
```
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addf73c5
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2024-07-12T09:17:34
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keysyms: Require only 5 bytes for UTF-8 encoding
Require only 5 bytes for the buffer of `xkb_keysym_to_utf8`, as UTF-8
encodes code points on up to 4 bytes + 1 byte for the NULL-terminating
byte.
Previous standard [RFC 2279] (1998) required up to 6 bytes per code
point, but has been superseded by [RFC 3629] (2003).
[RFC 2279]: https://datatracker.ietf.org/doc/html/rfc2279
[RFC 3629]: https://datatracker.ietf.org/doc/html/rfc3629
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382f6d2d
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2024-02-05T08:57:35
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Keysyms: Update using latest xorgproto
For the sake of compatibility, this reintroduce some deleted keysyms and
postpone the effective deprecation of others.
xorgproto commit: fe12c5102762afcbf852e50dcbbdea2ef625570c
Also added tests for some canonical names.
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0074baf4
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2023-12-19T07:28:52
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keysyms: Add XKB_KEYSYM_NAME_MAX_SIZE for internal use
Currently there is no indication of the maximum length of keysym names.
This is statically known, so add the new *internal* following API:
`XKB_KEYSYM_NAME_MAX_SIZE`.
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817179d8
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2023-12-14T08:19:28
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keysyms: Add xkb_keysym_iterator
Add an efficient way to iterate over the assigned keysyms.
Currently only provided for testing, so we guard it by
`ENABLE_PRIVATE_APIS` in order to reduce the installed library.
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4f52d606
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2023-12-14T09:16:55
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keysyms: Add xkb_keysym_is_assigned
Add internal API `xkb_keysym_is_assigned` for tests, guarded by
`ENABLE_PRIVATE_APIS` in order to avoid increasing the size of the installed library.
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82f138c6
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2023-12-14T09:13:35
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keysyms: Add min and max assigned keysyms internal API
Currently there is no direct way to know the minimum and maximum keysym
values that are assigned, i.e. that have an explicit name or are
Unicode keysyms.
Introduce the new following internal API:
- XKB_KEYSYM_MIN_ASSIGNED
- XKB_KEYSYM_MAX_ASSIGNED
- XKB_KEYSYM_MIN_EXPLICIT
- XKB_KEYSYM_MAX_EXPLICIT
- XKB_KEYSYM_COUNT_EXPLICIT
Also add a bunch of tests to ensure consistant keysyms bounds.
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4a92f61b
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2023-12-14T08:19:16
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keysyms: Add Unicode constants
Add the following constants in order to improve the code readability:
- XKB_KEYSYM_UNICODE_OFFSET
- XKB_KEYSYM_UNICODE_MIN
- XKB_KEYSYM_UNICODE_MAX
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e811743f
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2023-07-04T09:23:23
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Add XKB_KEYSYM_MIN and XKB_KEYSYM_MAX
Keysyms are 32-bit integers with the 3 most significant bits always set
to zero. See: Appendix A “KEYSYM Encoding” of the X Window System
Protocol at https://www.x.org/releases/current/doc/xproto/x11protocol.html#keysym_encoding.
Add a new constants XKB_KEYSYM_MIN and XKB_KEYSYM_MAX to make the
interval of valid keysyms more obvious in the code.
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18d6aebe
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2017-12-11T22:41:55
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keysym: add xkb_keysym_to_{lower,upper} to public API
These can be useful in some odd cases.
There is already an implementation (+ tests) for internal use, so all
that's needed is to export them.
If xkbcommon were to provide a way to convert a Unicode codepoint to a
keysym, this could have been implemented externally as follows:
uint32_t codepoint = xkb_keysym_to_utf32(keysym);
uint32_t upper_codepoint = my_unicode_library_to_upper(codepoint);
xkb_keysym_t upper_keysym = theoretical_xkb_keysym_from_utf32(upper_codepoint);
However keysym -> codepoint is not injective so such a function is not
possible strictly speaking.
Signed-off-by: Ran Benita <ran234@gmail.com>
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b3f23965
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2014-02-06T01:48:32
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keysym: add function to test if a keysym is for a modifier
Needed for compose.
Signed-off-by: Ran Benita <ran234@gmail.com>
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1499eedd
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2013-08-13T18:52:46
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keysym: add xkb_keysym_to_{lower,upper}
These functions are needed later; they are not API functions. The
capitalization is not locale sensitive.
Signed-off-by: Ran Benita <ran234@gmail.com>
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b2110705
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2012-09-16T14:45:32
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Organize src/ and test/ headers
- Add context.h and move context-related functions from xkb-priv.h to
it.
- Move xkb_context definition back to context.c.
- Add keysym.h and move keysym upper/lower/keypad from xkb-priv.h to it.
- Rename xkb-priv.h to map.h since it only contains keymap-related
definitions and declarations now.
- Remove unnecessary includes and some and some other small cleanups.
Signed-off-by: Ran Benita <ran234@gmail.com>
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