src/terminal/style.h
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|---|---|---|---|
| 1 | #ifndef TERMINAL_STYLE_H | ||
| 2 | #define TERMINAL_STYLE_H | ||
| 3 | |||
| 4 | #include <stdbool.h> | ||
| 5 | #include <stdint.h> | ||
| 6 | #include <sys/types.h> | ||
| 7 | #include "color.h" | ||
| 8 | #include "util/macros.h" | ||
| 9 | #include "util/ptr-array.h" | ||
| 10 | |||
| 11 | enum { | ||
| 12 | COLOR_STR_BUFSIZE = 16, | ||
| 13 | TERM_STYLE_BUFSIZE = 128, | ||
| 14 | }; | ||
| 15 | |||
| 16 | enum { | ||
| 17 | ATTR_KEEP = 0x01, | ||
| 18 | ATTR_UNDERLINE = 0x02, | ||
| 19 | ATTR_REVERSE = 0x04, | ||
| 20 | ATTR_BLINK = 0x08, | ||
| 21 | ATTR_DIM = 0x10, | ||
| 22 | ATTR_BOLD = 0x20, | ||
| 23 | ATTR_INVIS = 0x40, | ||
| 24 | ATTR_ITALIC = 0x80, | ||
| 25 | ATTR_STRIKETHROUGH = 0x100, | ||
| 26 | ATTR_ALL = (ATTR_STRIKETHROUGH << 1) - 1, | ||
| 27 | }; | ||
| 28 | |||
| 29 | typedef struct DESIGNATED_INIT { | ||
| 30 | int32_t fg; | ||
| 31 | int32_t bg; | ||
| 32 | unsigned int attr; | ||
| 33 | } TermStyle; | ||
| 34 | |||
| 35 | 5 | static inline TermStyle term_style(int32_t fg, int32_t bg, unsigned int attr) | |
| 36 | { | ||
| 37 | 5 | return (TermStyle){.fg = fg, .bg = bg, .attr = attr}; | |
| 38 | } | ||
| 39 | |||
| 40 | 418 | static inline bool same_style(const TermStyle *a, const TermStyle *b) | |
| 41 | { | ||
| 42 |
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418 | return a->fg == b->fg && a->bg == b->bg && a->attr == b->attr; |
| 43 | } | ||
| 44 | |||
| 45 | 7 | static inline void mask_style2(TermStyle *style, const TermStyle *over, bool mask_bg) | |
| 46 | { | ||
| 47 | 14 | *style = (TermStyle) { | |
| 48 |
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7 | .fg = (over->fg == COLOR_KEEP) ? style->fg : over->fg, |
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7 | .bg = (over->bg == COLOR_KEEP || !mask_bg) ? style->bg : over->bg, |
| 50 |
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7 | .attr = (over->attr & ATTR_KEEP) ? style->attr : over->attr, |
| 51 | }; | ||
| 52 | 7 | } | |
| 53 | |||
| 54 | 3 | static inline void mask_style(TermStyle *style, const TermStyle *over) | |
| 55 | { | ||
| 56 | 3 | return mask_style2(style, over, true); | |
| 57 | } | ||
| 58 | |||
| 59 | ssize_t parse_term_style(TermStyle *style, char **strs, size_t nstrs) NONNULL_ARGS WARN_UNUSED_RESULT; | ||
| 60 | size_t color_to_str(char buf[static COLOR_STR_BUFSIZE], int32_t color) NONNULL_ARGS WARN_UNUSED_RESULT; | ||
| 61 | const char *term_style_to_string(char buf[static TERM_STYLE_BUFSIZE], const TermStyle *style) NONNULL_ARGS_AND_RETURN; | ||
| 62 | void collect_colors_and_attributes(PointerArray *a, const char *prefix) NONNULL_ARGS; | ||
| 63 | |||
| 64 | #endif | ||
| 65 |