mirror of https://github.com/MidnightCommander/mc
113 lines
3.0 KiB
C
113 lines
3.0 KiB
C
/** \file key.h
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* \brief Header: keyboard support routines
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*/
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#ifndef MC__KEY_H
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#define MC__KEY_H
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#include "lib/global.h" /* <glib.h> */
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#include "tty.h" /* KEY_F macro */
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/*** typedefs(not structures) and defined constants **********************************************/
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/* Possible return values from tty_get_event: */
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#define EV_MOUSE -2
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#define EV_NONE -1
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/*
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* Internal representation of the key modifiers. It is used in the
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* sequence tables and the keycodes in the mc sources.
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*/
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#define KEY_M_SHIFT 0x1000
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#define KEY_M_ALT 0x2000
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#define KEY_M_CTRL 0x4000
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#define KEY_M_MASK 0x7000
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#define XCTRL(x) (KEY_M_CTRL | ((x) & 0x1F))
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#define ALT(x) (KEY_M_ALT | (unsigned int)(x))
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/* To define sequences and return codes */
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#define MCKEY_NOACTION 0
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#define MCKEY_ESCAPE 1
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/* Return code for the mouse sequence */
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#define MCKEY_MOUSE -2
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/* Return code for the extended mouse sequence */
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#define MCKEY_EXTENDED_MOUSE -3
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/*** enums ***************************************************************************************/
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/*** structures declarations (and typedefs of structures)*****************************************/
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typedef struct
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{
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int code;
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const char *name;
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const char *longname;
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const char *shortcut;
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} key_code_name_t;
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struct Gpm_Event;
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/*** global variables defined in .c file *********************************************************/
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extern const key_code_name_t key_name_conv_tab[];
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extern int old_esc_mode_timeout;
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extern int double_click_speed;
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extern int old_esc_mode;
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extern int use_8th_bit_as_meta;
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extern int mou_auto_repeat;
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/*** declarations of public functions ************************************************************/
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gboolean define_sequence (int code, const char *seq, int action);
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void init_key (void);
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void init_key_input_fd (void);
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void done_key (void);
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long lookup_key (const char *name, char **label);
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char *lookup_key_by_code (const int keycode);
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/* mouse support */
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int tty_get_event (struct Gpm_Event *event, gboolean redo_event, gboolean block);
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gboolean is_idle (void);
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int tty_getch (void);
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/* While waiting for input, the program can select on more than one file */
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typedef int (*select_fn) (int fd, void *info);
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/* Channel manipulation */
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void add_select_channel (int fd, select_fn callback, void *info);
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void delete_select_channel (int fd);
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void remove_select_channel (int fd);
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/* Activate/deactivate the channel checking */
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void channels_up (void);
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void channels_down (void);
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/* internally used in key.c, defined in keyxtra.c */
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void load_xtra_key_defines (void);
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/* Learn a single key */
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char *learn_key (void);
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/* Returns a key code (interpreted) */
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int get_key_code (int nodelay);
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/* Set keypad mode (xterm and linux console only) */
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void numeric_keypad_mode (void);
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void application_keypad_mode (void);
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/*** inline functions ****************************************************************************/
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static inline gboolean
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is_abort_char (int c)
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{
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return ((c == (int) ESC_CHAR) || (c == (int) KEY_F (10)));
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}
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#endif /* MC_KEY_H */
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