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input/config: support *all* modifier names

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That is, allow custom modifiers (i.e. other than ctrl/shift/alt etc)
in key bindings.

This is done by no longer validating/translating modifier names to
booleans for a pre-configured set of modifiers (ctrl, shift, alt,
super).

Instead, we keep the modifier *names* in a list, in the key binding
struct.

When a keymap is loaded, and we "convert" the key binding, _then_ we
do modifier translation. For invalid modifier names, we print an
error, and then ignore it. I.e. we no longer fail to load a config due
to invalid modifier names.

We also need to update how we determine the set of significant
modifiers. Any modifier not in this list will be ignored when matching
key bindings.

Before this patch, we hardcoded this to shift/alt/ctrl/super. Now, to
handle custom modifiers as well, we simply treat *all* modifiers
defined by the current layout as significant.

Typically, the only unwanted modifiers are "locked" modifiers. We are
already filtering these out.
This commit is contained in:
Daniel Eklöf 2023-05-06 11:39:38 +02:00
parent 21a8d832ce
commit 4730ff8d08
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6 changed files with 291 additions and 187 deletions
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5
wayland.h
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@ -128,8 +128,9 @@ struct seat {
xkb_mod_index_t mod_caps;
xkb_mod_index_t mod_num;
xkb_mod_mask_t bind_significant;
xkb_mod_mask_t kitty_significant;
xkb_mod_mask_t bind_significant; /* Significant modifiers for shortcut handling */
xkb_mod_mask_t legacy_significant; /* Significant modifiers for the legacy keyboard protocol */
xkb_mod_mask_t kitty_significant; /* Significant modifiers for the kitty keyboard protocol */
xkb_keycode_t key_arrow_up;
xkb_keycode_t key_arrow_down;