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term: CELL_COMB_CHARS chars are keys, not indices -> more range is better

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Bump the available key range to 30 bits. This helps reduce key
collisions when handling a large amount of grapheme clusters.
This commit is contained in:
Daniel Eklöf 2021-06-24 19:15:53 +02:00
parent f20956ff1b
commit 9a7c6bdcf2
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1 changed files with 4 additions and 3 deletions
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7
terminal.h
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@ -51,9 +51,10 @@ struct attributes {
}; };
static_assert(sizeof(struct attributes) == 8, "VT attribute struct too large"); static_assert(sizeof(struct attributes) == 8, "VT attribute struct too large");
#define CELL_COMB_CHARS_LO 0x40000000ul /* Last valid Unicode code point is 0x0010FFFFul */
#define CELL_COMB_CHARS_HI 0x400ffffful #define CELL_COMB_CHARS_LO 0x00200000ul
#define CELL_SPACER 0x40100000ul #define CELL_COMB_CHARS_HI (CELL_COMB_CHARS_LO + 0x3fffffff)
#define CELL_SPACER (CELL_COMB_CHARS_HI + 1)
struct cell { struct cell {
wchar_t wc; wchar_t wc;