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| author | Michael Brown <mcb30@ipxe.org> | 2022-02-14 16:31:08 +0000 |
|---|---|---|
| committer | Michael Brown <mcb30@ipxe.org> | 2022-02-15 11:58:50 +0000 |
| commit | f2a59d5973da2041f93264609698b9b3f4ec101b (patch) | |
| tree | d74210c67817a2bc8ddbf92514c18608566317ed /src/include/ipxe/keymap.h | |
| parent | 871dd236d4aff66e871c25addcf522fe75a4ccd7 (diff) | |
| download | ipxe-f2a59d5973da2041f93264609698b9b3f4ec101b.tar.gz | |
[console] Centralise handling of key modifiers
Handle Ctrl and CapsLock key modifiers within key_remap(), to provide
consistent behaviour across different console types.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/include/ipxe/keymap.h')
| -rw-r--r-- | src/include/ipxe/keymap.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/include/ipxe/keymap.h b/src/include/ipxe/keymap.h index a64ab9cd4..3da25190b 100644 --- a/src/include/ipxe/keymap.h +++ b/src/include/ipxe/keymap.h @@ -40,9 +40,30 @@ struct keymap { /** Define a keyboard mapping */ #define __keymap __table_entry ( KEYMAP, 01 ) +/** Mappable character mask */ +#define KEYMAP_MASK 0xff + /** Pseudo key flag */ #define KEYMAP_PSEUDO 0x80 +/** Ctrl key flag */ +#define KEYMAP_CTRL 0x0100 + +/** CapsLock key flag */ +#define KEYMAP_CAPSLOCK 0x0200 + +/** Undo CapsLock key flag + * + * Used when the keyboard driver has already interpreted the CapsLock + * key, in which case the effect needs to be undone before remapping + * in order to correctly handle keyboard mappings that swap alphabetic + * and non-alphabetic keys. + */ +#define KEYMAP_CAPSLOCK_UNDO 0x0400 + +/** Undo and redo CapsLock key flags */ +#define KEYMAP_CAPSLOCK_REDO ( KEYMAP_CAPSLOCK | KEYMAP_CAPSLOCK_UNDO ) + extern unsigned int key_remap ( unsigned int character ); #endif /* _IPXE_KEYMAP_H */ |