/* See LICENSE file for copyright and license details. */ #ifndef LIBTERMINPUT_H #define LIBTERMINPUT_H #include enum libterminput_mod { LIBTERMINPUT_SHIFT = 0x01, LIBTERMINPUT_META = 0x02, LIBTERMINPUT_CTRL = 0x04 }; enum libterminput_key { LIBTERMINPUT_SYMBOL, LIBTERMINPUT_UP, LIBTERMINPUT_DOWN, LIBTERMINPUT_RIGHT, LIBTERMINPUT_LEFT, LIBTERMINPUT_BEGIN, /* keypad 5 without numlock */ LIBTERMINPUT_PAUSE, LIBTERMINPUT_TAB, /* backtab if with shift */ LIBTERMINPUT_F1, LIBTERMINPUT_F2, LIBTERMINPUT_F3, LIBTERMINPUT_F4, LIBTERMINPUT_F5, LIBTERMINPUT_F6, LIBTERMINPUT_F7, LIBTERMINPUT_F8, LIBTERMINPUT_F9, LIBTERMINPUT_F10, LIBTERMINPUT_F11, LIBTERMINPUT_F12, LIBTERMINPUT_HOME, /* = find */ LIBTERMINPUT_INS, LIBTERMINPUT_DEL, /* = remove */ LIBTERMINPUT_END, /* = select */ LIBTERMINPUT_PRIOR, /* page up */ LIBTERMINPUT_NEXT, /* page down */ LIBTERMINPUT_ERASE, /* backspace */ LIBTERMINPUT_ENTER, /* return */ LIBTERMINPUT_ESC, LIBTERMINPUT_KEYPAD_0, LIBTERMINPUT_KEYPAD_1, LIBTERMINPUT_KEYPAD_2, LIBTERMINPUT_KEYPAD_3, LIBTERMINPUT_KEYPAD_4, LIBTERMINPUT_KEYPAD_5, LIBTERMINPUT_KEYPAD_6, LIBTERMINPUT_KEYPAD_7, LIBTERMINPUT_KEYPAD_8, LIBTERMINPUT_KEYPAD_9, LIBTERMINPUT_KEYPAD_MINUS, LIBTERMINPUT_KEYPAD_COMMA, LIBTERMINPUT_KEYPAD_POINT, LIBTERMINPUT_KEYPAD_ENTER, LIBTERMINPUT_MACRO }; enum libterminput_type { LIBTERMINPUT_NONE, LIBTERMINPUT_KEYPRESS, LIBTERMINPUT_BRACKETED_PASTE_START, LIBTERMINPUT_BRACKETED_PASTE_END, LIBTERMINPUT_TEXT }; struct libterminput_keypress { enum libterminput_type type; enum libterminput_key key; unsigned long long int times; /* if .times > 1, next will be the same, but will .times -= 1 */ enum libterminput_mod mods; char symbol[7]; /* use if .key == LIBTERMINPUT_SYMBOL */ }; struct libterminput_text { enum libterminput_type type; size_t nbytes; char bytes[512]; }; union libterminput_input { enum libterminput_type type; struct libterminput_keypress keypress; /* use if .type == LIBTERMINPUT_KEYPRESS */ struct libterminput_text text; /* use if .type == LIBTERMINPUT_TEXT */ }; /** * This struct should be considered opaque */ struct libterminput_state { int inited; /* whether the input in initialised, not this struct */ enum libterminput_mod mods; size_t stored_head; size_t stored_tail; char bracketed_paste; char meta; char n; char npartial; char partial[7]; char key[44]; char stored[512]; }; /** * Get input from the terminal * * @param fd The file descriptor to the terminal * @param input Output parameter for input * @param ctx State for the terminal, parts of the state may be stored in `input` * @return 1 normally, 0 on end of input, -1 on error */ int libterminput_read(int fd, union libterminput_input *input, struct libterminput_state *ctx); #endif