mirror of
https://github.com/fish-shell/fish-shell
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115 lines
2.6 KiB
C
115 lines
2.6 KiB
C
/** \file input.h
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Functions for reading a character of input from stdin, using the
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inputrc information for key bindings.
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*/
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#ifndef FISH_INPUT_H
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#define FISH_INPUT_H
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#include <wchar.h>
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/**
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Key codes for inputrc-style keyboard functions that are passed on
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to the caller of input_read()
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*/
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enum
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{
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R_BEGINNING_OF_LINE = R_NULL+1,
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R_END_OF_LINE,
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R_FORWARD_CHAR,
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R_BACKWARD_CHAR,
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R_FORWARD_WORD,
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R_BACKWARD_WORD,
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R_HISTORY_SEARCH_BACKWARD,
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R_HISTORY_SEARCH_FORWARD,
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R_DELETE_CHAR,
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R_BACKWARD_DELETE_CHAR,
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R_KILL_LINE,
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R_YANK,
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R_YANK_POP,
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R_COMPLETE,
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R_BEGINNING_OF_HISTORY,
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R_END_OF_HISTORY,
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R_DELETE_LINE,
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R_BACKWARD_KILL_LINE,
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R_KILL_WHOLE_LINE,
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R_KILL_WORD,
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R_BACKWARD_KILL_WORD,
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R_DUMP_FUNCTIONS,
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R_CLEAR_SCREEN,
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R_EXIT,
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R_HISTORY_TOKEN_SEARCH_BACKWARD,
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R_HISTORY_TOKEN_SEARCH_FORWARD,
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R_SELF_INSERT,
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}
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;
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/**
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Initialize the terminal by calling setupterm, and set up arrays
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used by readch to detect escape sequences for special keys.
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Before calling input_init, terminfo is not initialized and MUST not be used
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*/
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int input_init();
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/**
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free up memory used by terminal functions.
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*/
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void input_destroy();
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/**
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Read a character from fd 0. Try to convert some escape sequences
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into character constants, but do not permanently block the escape
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character.
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This is performed in the same way vim does it, i.e. if an escape
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character is read, wait for more input for a short time (a few
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milliseconds). If more input is avaialable, it is assumed to be an
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escape sequence for a special character (such as an arrow key), and
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readch attempts to parse it. If no more input follows after the
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escape key, it is assumed to be an actual escape key press, and is
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returned as such.
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*/
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wint_t input_readch();
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/**
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Push a character or a readline function onto the stack of unread
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characters that input_readch will return before actually reading from fd
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0.
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*/
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void input_unreadch( wint_t ch );
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/**
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Add a key mapping from the specified sequence
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\param mode the name of the mapping mode to add this mapping to
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\param s the sequence
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\param d a description of the sequence
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\param c am input function that will be run whenever the key sequence occurs
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*/
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void add_mapping( const wchar_t *mode, const wchar_t *s, const wchar_t * d, const wchar_t *cmd );
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/**
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Sets the mode keybindings.
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*/
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void input_set_mode( wchar_t *name );
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/**
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Sets the application keybindings
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*/
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void input_set_application( wchar_t *name );
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/**
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Parse a single line of inputrc information.
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*/
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void input_parse_inputrc_line( wchar_t *cmd );
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/**
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Returns the function for the given function name.
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*/
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wchar_t input_get_code( wchar_t *name );
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#endif
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