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145 lines
3.5 KiB
C
145 lines
3.5 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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#include "input_common.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+10, /* This give input_common ten slots for lowlevel keycodes */
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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_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_HISTORY_TOKEN_SEARCH_BACKWARD,
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R_HISTORY_TOKEN_SEARCH_FORWARD,
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R_SELF_INSERT,
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R_VI_ARG_DIGIT,
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R_VI_DELETE_TO,
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R_EXECUTE,
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R_BEGINNING_OF_BUFFER,
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R_END_OF_BUFFER,
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R_REPAINT,
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R_UP_LINE,
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R_DOWN_LINE,
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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 to the specified command
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\param sequence the sequence to bind
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\param command an input function that will be run whenever the key sequence occurs
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*/
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void input_mapping_add( const wchar_t *sequence, const wchar_t *command );
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/**
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Insert all mapping names into the specified array_list_t
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*/
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void input_mapping_get_names( array_list_t *list );
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/**
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Erase binding for specified key sequence
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*/
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int input_mapping_erase( const wchar_t *sequence );
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/**
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Return the command bound to the specified key sequence
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*/
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const wchar_t *input_mapping_get( const wchar_t *sequence );
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/**
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Return the sequence for the terminfo variable of the specified name.
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If no terminfo variable of the specified name could be found, return 0 and set errno to ENOENT.
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If the terminfo variable does not have a value, return 0 and set errno to EILSEQ.
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*/
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const wchar_t *input_terminfo_get_sequence( const wchar_t *name );
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/**
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Return the name of the terminfo variable with the specified sequence
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*/
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const wchar_t *input_terminfo_get_name( const wchar_t *seq );
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/**
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Return a list of all known terminfo names
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*/
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void input_terminfo_get_names( array_list_t *lst, int skip_null );
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/**
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Returns the input function code for the given input function name.
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*/
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wchar_t input_function_get_code( const wchar_t *name );
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/**
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Returns a list of all existing input function names
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*/
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void input_function_get_names( array_list_t *lst );
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#endif
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