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vt: underline colors and style from kitty

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This commit is contained in:
kraftwerk28 2022-06-22 01:54:37 +03:00
parent 642f9910c2
commit 2e6bc3c61a
5 changed files with 202 additions and 3 deletions
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26
terminal.h
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@ -31,6 +31,17 @@ enum color_source {
COLOR_RGB,
};
#if FOOT_EXT_UNDERLINE
enum underline_style {
UNDERLINE_NONE,
UNDERLINE_STRAIGHT,
UNDERLINE_CURLY,
UNDERLINE_DOUBLE,
UNDERLINE_DASHED,
UNDERLINE_DOTTED,
};
#endif
/*
* Note: we want the cells to be as small as possible. Larger cells
* means fewer scrollback lines (or performance drops due to cache
@ -56,8 +67,19 @@ struct attributes {
bool selected:1;
bool url:1;
uint32_t bg:24;
#if FOOT_EXT_UNDERLINE
enum underline_style ul_style:4;
enum color_source ul_src:4;
uint32_t ul:24;
#endif
};
#if FOOT_EXT_UNDERLINE
static_assert(sizeof(struct attributes) == 12, "VT attribute struct too large");
#else
static_assert(sizeof(struct attributes) == 8, "VT attribute struct too large");
#endif
/* Last valid Unicode code point is 0x0010FFFFul */
#define CELL_COMB_CHARS_LO 0x00200000ul
@ -68,7 +90,11 @@ struct cell {
char32_t wc;
struct attributes attrs;
};
#if FOOT_EXT_UNDERLINE
static_assert(sizeof(struct cell) == 16, "bad size");
#else
static_assert(sizeof(struct cell) == 12, "bad size");
#endif
struct scroll_region {
int start;