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https://github.com/fish-shell/fish-shell
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96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
/**
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Constants for various character classifications. Each character of a command string can be classified as one of the following types.
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*/
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#ifndef FISH_OUTPUT_H
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#define FISH_OUTPUT_H
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#include <wchar.h>
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enum
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{
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HIGHLIGHT_NORMAL,
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HIGHLIGHT_COMMAND,
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HIGHLIGHT_SUBSHELL,
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HIGHLIGHT_REDIRECTION,
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HIGHLIGHT_END,
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HIGHLIGHT_ERROR,
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HIGHLIGHT_PARAM,
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HIGHLIGHT_COMMENT,
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HIGHLIGHT_MATCH,
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HIGHLIGHT_SEARCH_MATCH,
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}
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;
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/**
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Constants for various colors as used by the set_color function.
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*/
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enum
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{
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FISH_COLOR_BLACK,
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FISH_COLOR_RED,
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FISH_COLOR_GREEN,
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FISH_COLOR_YELLOW,
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FISH_COLOR_BLUE,
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FISH_COLOR_MAGENTA,
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FISH_COLOR_CYAN,
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FISH_COLOR_WHITE,
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/** The default fg color of the terminal */
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FISH_COLOR_NORMAL
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}
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;
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/**
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Sets the fg and bg color. May be called as often as you like, since
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if the new color is the same as the previous, nothing will be
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written. Negative values for set_color will also be ignored. Since
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the terminfo string this function emits can potentially cause the
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screen to flicker, the function takes care to write as little as
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possible.
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Possible values for color are any form the FISH_COLOR_* enum,
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FISH_COLOR_IGNORE and FISH_COLOR_RESET. FISH_COLOR_IGNORE will
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leave the color unchanged, and FISH_COLOR_RESET will perform an
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exit_attribute_mode, even if set_color thinks it is already in
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FISH_COLOR_NORMAL mode.
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In order to set the color to normal, three terminfo strings may
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have to be written.
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- First a string to set the color, such as set_a_foreground. This
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is needed because otherwise the previous strings colors might be
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removed as well.
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- After that we write the exit_attribute_mode string to reset all
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color attributes.
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- Lastly we may need to write set_a_background or set_a_foreground
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to set the other half of the color pair to what it should be.
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\param c Foreground color.
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\param c2 Background color.
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*/
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void set_color( int c, int c2 );
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/**
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Write a char * narrow string to FD 1, needed for the terminfo
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strings.
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*/
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int writembs( char *str );
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int writech( wint_t ch );
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void writestr( const wchar_t *str );
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void writestr_ellipsis( const wchar_t *str, int max_width );
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int write_escaped_str( const wchar_t *str, int max_len );
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int writespace( int c );
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int output_color_code( const wchar_t *val );
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#endif
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