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Make it shorter and fix the XXX.
Signed-off-by: Ran Benita <ran234@gmail.com>
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xkb_keymap_num_leds() returns the number of leds that have any
possibility of being set. Even if a led is defined but can not be set in
any way, it is not counted.
In a few places currently we assume that led indexes are smaller than
this number, which is wrong both for the above reason and for the fact
that the xkb format actually allows explicitly setting the indicator
index, which means that the indexes might be non-consecutive.
We don't really have good API to iterate on leds, now, because
xkb_keymap_num_leds is pretty useless. To work around that we use
sizeof(xkb_led_mask_t) * 8.
This makes the "Group 2" led work (try switching to a layout other than
the first in test/interactive).
Signed-off-by: Ran Benita <ran234@gmail.com>
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Our current code (taken from the xserver) doesn't handle unicode keysyms
at all, and there seem to be some other changes compared to libX11,
which is what xkbcomp uses. So we just copy the code that does that from
libX11.
It would be much better to not have to hardcode unicode tables like
that, but it's probably better than dealing with glibc locale stuff for
now. It also doesn't affect our binary size much.
Signed-off-by: Ran Benita <ran234@gmail.com>
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Commit 9984d1d03cd78eb636c75cc2bbd2d240dc1dd72f changed the type of
interpret->mods to xkb_mod_mask_t, but this bit of code assumes that the
type is uint8_t.
This code is not usually run (for example by our tests), but when it
does keymap-dump would print out all of the modifiers (including the
virtual ones) which causes recompilation of the output to fail
miserably.
https://bugs.freedesktop.org/show_bug.cgi?id=55769
Signed-off-by: Ran Benita <ran234@gmail.com>
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These are both real modifier masks, but we keep this information only in
the program logic now so when we change it we don't have to worry about
the type.
Signed-off-by: Ran Benita <ran234@gmail.com>
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It really asks for it.
Signed-off-by: Ran Benita <ran234@gmail.com>
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To make it easier to see where it's used. The name is just to match
MOD_REAL.
Signed-off-by: Ran Benita <ran234@gmail.com>
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This again pushes the mod type annotation to the original call site, to
make it easier to grep to see where the real/virtual distinction
matters.
Signed-off-by: Ran Benita <ran234@gmail.com>
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Most of the mod type annotations can now be changed to MOD_BOTH, because
if you pass a mask which can only contain real mods in the first place to
e.g. ModMaskText, then MOD_REAL and MOD_BOTH will give the same result.
In the cases where MOD_BOTH is only ever the argument, we just remove
it. What's left is where it really "matters".
Signed-off-by: Ran Benita <ran234@gmail.com>
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We can make more use of the functions in text.c now and remove some
cruft.
Signed-off-by: Ran Benita <ran234@gmail.com>
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This essentially "tags" each invocation of the functions with the
modifier type of the argument, which allows for easy grepping for them
(with the aim being, to remove anything but MOD_BOTH).
Signed-off-by: Ran Benita <ran234@gmail.com>
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Add static common functions which take enum mod_type, and change the
existing ones to use them.
Signed-off-by: Ran Benita <ran234@gmail.com>
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We change the keymap->vmods array into keymap->mods, and change it's
member type from struct xkb_vmod to struct xkb_mod. This table now
includes the real modifiers in the first 8 places. To distinguish
between them, we add an enum mod_type to struct xkb_mod.
Besides being a more reasonable approach, this enables us to share
some code later, remove XKB_NUM_CORE_MODS (though the 0xff mask still
appears in a few places), and prepares us to flat out remove the
distinction in the future. This commit just does the conversion.
Signed-off-by: Ran Benita <ran234@gmail.com>
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Modifier masks can be confusing in some places. For example,
key->vmodmap only contains virtual modifiers, where the first is in
position 0, the second in 1 etc., while normally in a xkb_mod_mask_t the
virtual modifiers start from the 8th (XKB_NUM_CORE_MODS) position. This
happens in some other places as well.
Change all of the masks to be in the usual real+virtual format, and when
we need to access e.g. keymap->vmods we just adjust by
XKB_NUM_CORE_MODS. (This also goes for indexes, e.g.
interpret->virtual_modifier).
This makes this stuff easier to reason about.
Signed-off-by: Ran Benita <ran234@gmail.com>
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The Lookup* functions should remain a private implementation detail of
the expr.c file.
Signed-off-by: Ran Benita <ran234@gmail.com>
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VModInfo currently is only used to track which virtual modifiers were
declared in the file which owns the VModInfo. This, in turn, is only
used in ResolveVirtualModifier, which in turn is only used to resolve
the virtualModifier field in an interpret statement (compat.c). In other
words, it is used to ensure that interprets can only use a vmod which
was declared in the same map.
We remove this now, because it doesn't do much and distracts from other
changes; we will later re-add it properly. Specificly, we will make it
so that virtual modifiers are not the exception in that they modify the
keymap directly, instead of keeping the changes in some *Info struct and
commiting them to the keymap at the end of the compilation. (This is bad
because if a vmod is added to the keymap, and then the compilation of
this specific file fails, the change sticks around nonetheless).
Signed-off-by: Ran Benita <ran234@gmail.com>
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Otherwise strange thing might ensue.
Signed-off-by: Ran Benita <ran234@gmail.com>
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It's a leftover.
Signed-off-by: Ran Benita <ran234@gmail.com>
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It's unused and unneeded.
Signed-off-by: Ran Benita <ran234@gmail.com>
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Just a pet peeve.
Signed-off-by: Ran Benita <ran234@gmail.com>
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LookupModMask handles this before calling LookupModIndex, and the only
other user in symbols.c doesn't handle this return value at all.
Signed-off-by: Ran Benita <ran234@gmail.com>
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Saves a few kbytes, and unlikely to change.
Signed-off-by: Ran Benita <ran234@gmail.com>
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Turn the virtual modifiers arrays in the keymap to a single darray,
which doesn't use this limit. The number of virtual modifiers is still
limited by the size of xkb_mod_mask_t, so we make sure not to go over
that.
Signed-off-by: Ran Benita <ran234@gmail.com>
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Signed-off-by: Ran Benita <ran234@gmail.com>
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Signed-off-by: Ran Benita <ran234@gmail.com>
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This is a regression introduced in ed78fbcb30888cbfc6cd00.
XKB_STATE_EFFECTIVE is just a OR of the other states, so using & here is
completely wrong. So test/state shows for example:
dumping state for LCtrl down:
group English (US) (0): effective depressed latched locked
mod Control (2): depressed latched locked
dumping state for LCtrl + RAlt down:
group English (US) (0): effective depressed latched locked
mod Control (2): depressed latched locked
mod Mod1 (3): depressed latched locked
dumping state for RAlt down:
group English (US) (0): effective depressed latched locked
mod Mod1 (3): depressed latched locked
dumping state for Caps Lock:
group English (US) (0): effective depressed latched locked
mod Lock (1): depressed latched locked
led Caps Lock (0): active
dumping state for Alt-Shift-+
group English (US) (0): effective depressed latched locked
mod Shift (0): depressed latched locked
mod Mod1 (3): depressed latched locked
which is bogus.
Signed-off-by: Ran Benita <ran234@gmail.com>
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Signed-off-by: Ran Benita <ran234@gmail.com>
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One physical xkb file may (and usually does) contain multiple maps. For
example, the us symbols file contains a map for every variant.
Currently, when we need a map from a file (specific or default), we
parse the entire file into a list of XkbFile's, find the map we want and
discard the others. This happens for every include statement. This is a lot
of unnecessary work; this commit is a first step at making it better.
What we do now is make yyparse return one map at a time; if we find what
we want, we can stop looking and avoid processing the rest of the file.
This moves some logic from include.c to parser.y (i.e. finding the
correct map, named or default). It also necessarily removes the
CheckDefaultMap check, which warned about a file which contains multiple
default maps. We can live without it.
Some stats with test/rulecomp (under valgrind and the benchmark):
Before:
==2280== total heap usage: 288,665 allocs, 288,665 frees, 13,121,349 bytes allocated
compiled 1000 keymaps in 10.849487353s
After:
==1070== total heap usage: 100,197 allocs, 100,197 frees, 9,329,900 bytes allocated
compiled 1000 keymaps in 5.258960549s
Pretty good.
Note: we still do some unnecessary work, by parsing and discarding the
maps before the one we want. However dealing with this is more
complicated (maybe using bison's push-parser and sniffing the token
stream). Probably not worth it.
Signed-off-by: Ran Benita <ran234@gmail.com>
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We don't modify it and there's no way to modify the original in the
scanner_extra life time.
Signed-off-by: Ran Benita <ran234@gmail.com>
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Some refactoring to prepare for changes in the parse() function.
Signed-off-by: Ran Benita <ran234@gmail.com>
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It never shows something useful. Besides, you already get the line
number, which is enough.
Signed-off-by: Ran Benita <ran234@gmail.com>
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This rule allows you to put several xkb_keymaps in one file.
This doesn't make any sense: only the default/first can ever be used,
yet the others are fully parsed as well.
Different keymaps should just be put in different files.
Signed-off-by: Ran Benita <ran234@gmail.com>
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This rule allows you to write file maps as:
xkb_keycodes
<BLA> = 5;
[...]
instead of the usual format which is:
xkb_keycodes {
<BLA> = 5;
[...]
};
This is not documented, It is also not used in xkeyboard-config, and I
have never run into it otherwise. It also only allows one map per file.
It *might* be used in some obscure place, but probably nothing we should
care about; the simplified grammar is more useful for us now.
Signed-off-by: Ran Benita <ran234@gmail.com>
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Some libc's don't support it.
Signed-off-by: Ran Benita <ran234@gmail.com>
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gcc didn't catch this one.
Signed-off-by: Ran Benita <ran234@gmail.com>
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Not worth messing around with too much, just make it legible.
Signed-off-by: Ran Benita <ran234@gmail.com>
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For some reason keycodes were listed under mapFlags in the yylval union.
Fix it and some sanity checks.
Signed-off-by: Ran Benita <ran234@gmail.com>
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Currently you can't give a key in xkb_keycodes a name of more than
XKB_KEY_NAME_LENGTH (= 4) chars. This is a pretty annoying and arbitrary
limitation; it leads to names such as <RTSH>, <COMP>, <PRSC>, <KPAD>
etc. which may be hard to decipher, and makes it impossible to give
more standard names (e.g. from linux/input.h) to keycodes.
The purpose of this, as far as I can tell, was to save memory and to
allow encoding a key name directly to a 32 bit value (unsigned long it
was).
We remove this limitation by just storing the names as atoms; this lifts
the limit, allows for easy comparison like the unsigned long thing, and
doesn't use more memory than previous solution. It also relieves us from
doing all of the annoying conversions to/from long.
This has a large diffstat only because KeyNameText, which is used a lot,
now needs to take the context in order to resolve the atom.
Signed-off-by: Ran Benita <ran234@gmail.com>
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This makes the code easier to follow and does more explicitly what the
xkblib spec says:
If no matching symbol interpretation is found, the server uses a
default interpretation where:
sym = 0
flags = XkbSI_AutoRepeat
match = XkbSI_AnyOfOrNone
mods = 0
virtual_mod = XkbNoModifier
act = SA_NoAction
If a level doesn't have any keysyms, we don't apply anything to it.
Signed-off-by: Ran Benita <ran234@gmail.com>
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Signed-off-by: Ran Benita <ran234@gmail.com>
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The trivial wrapper around xkb_state_key_get_syms that every user to
date has implemented.
Signed-off-by: Daniel Stone <daniel@fooishbar.org>
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Signed-off-by: Daniel Stone <daniel@fooishbar.org>
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The autoType variable is supposed to tell us whether the type was
explicitly specified by the user or was detected automatically according
to the keysyms. It then allows us to know whether to prints the type
when we dump the keymap to a string or not.
Right now it is not always set when we find an automatic type, according
to some apparently legacy rules. We change it to simply this: type
computed automatically? -> don't print.
Signed-off-by: Ran Benita <ran234@gmail.com>
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It's easier to follow this in isolation. Besides, previously the error
reporting wasn't done very well.
Signed-off-by: Ran Benita <ran234@gmail.com>
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It clearer to just access the needed data directly.
Signed-off-by: Ran Benita <ran234@gmail.com>
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Gets rid of some more unneeded indirection, including the XkbKeyType
macro.
Signed-off-by: Ran Benita <ran234@gmail.com>
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Add struct xkb_group and xkb_level for use in xkb_key, to mirror how
it's done in KeyInfo, GroupInfo, LevelInfo in symbols.c. This
corresponds more nicely to the logical data layout (i.e. a key has
groups which have levels), and also removes a lot of copying and ugly
code due to the index indirections and separate arrays which were used
before.
This uses more memory in some places (e.g. we alloc an action for every
level even if the key doesn't have any) but less in other places (e.g.
we no longer have to pad each group to ->width levels). The numbers say
we use less overall.
Signed-off-by: Ran Benita <ran234@gmail.com>
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Instead of maintaining a syms array in the GroupInfo + sym_index's in
the levels. This simplifies the code somewhat.
In order not to alloc for every level instead of every group, we only do
it if the level has more than one keysym (with a union). Since for now
this is a special case, it actually works out better memory-wise.
Signed-off-by: Ran Benita <ran234@gmail.com>
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If we enter this branch, we have 3 <= width <= 4, so if the width is 3
than syms[3] is out of bounds.
Happily inherited from xkbcomp.
Signed-off-by: Ran Benita <ran234@gmail.com>
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The levels will be resized to the number of levels of the type anyway,
so removing useless levels from the end here is unneeded.
Signed-off-by: Ran Benita <ran234@gmail.com>
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