lib/tty/key.h

   1
   2 /** \file key.h
   3  *  \brief Header: keyboard support routines
   4  */
   5
   6 #ifndef MC_KEY_H
   7 #define MC_KEY_H
   8
   9 #include "lib/global.h"   /* <glib.h> */
  10 #include "src/dialog.h"   /* cb_ret_t */
  11
  12 #include "tty.h"  /* KEY_F macro */
  13
  14 gboolean define_sequence (int code, const char *seq, int action);
  15
  16 void init_key (void);
  17 void init_key_input_fd (void);
  18 void done_key (void);
  19
  20 /* Keys management */
  21 typedef void (*move_fn) (void *data, int param);
  22 cb_ret_t check_movement_keys (int key, int page_size, void *data,
  23                               move_fn backfn, move_fn forfn, move_fn topfn, move_fn bottomfn);
  24 long lookup_key (const char *name, char **label);
  25
  26 typedef struct {
  27     int code;
  28     const char *name;
  29     const char *longname;
  30     const char *shortcut;
  31 } key_code_name_t;
  32
  33 extern const key_code_name_t key_name_conv_tab[];
  34
  35 /* mouse support */
  36 struct Gpm_Event;
  37 int tty_get_event (struct Gpm_Event *event, gboolean redo_event, gboolean block);
  38 gboolean is_idle (void);
  39 int tty_getch (void);
  40
  41 /* Possible return values from tty_get_event: */
  42 #define EV_MOUSE   -2
  43 #define EV_NONE    -1
  44
  45 /*
  46  * Internal representation of the key modifiers.  It is used in the
  47  * sequence tables and the keycodes in the mc sources.
  48  */
  49 #define KEY_M_SHIFT 0x1000
  50 #define KEY_M_ALT   0x2000
  51 #define KEY_M_CTRL  0x4000
  52 #define KEY_M_MASK  0x7000
  53
  54 extern int alternate_plus_minus;
  55 extern int double_click_speed;
  56 extern int old_esc_mode;
  57 extern int use_8th_bit_as_meta;
  58 extern int mou_auto_repeat;
  59
  60 /* While waiting for input, the program can select on more than one file */
  61 typedef int (*select_fn) (int fd, void *info);
  62
  63 /* Channel manipulation */
  64 void add_select_channel (int fd, select_fn callback, void *info);
  65 void delete_select_channel (int fd);
  66 void remove_select_channel (int fd);
  67
  68 /* Activate/deactivate the channel checking */
  69 void channels_up (void);
  70 void channels_down (void);
  71
  72 #define XCTRL(x) (KEY_M_CTRL | ((x) & 0x1F))
  73 #define ALT(x) (KEY_M_ALT | (unsigned int)(x))
  74
  75 static inline gboolean
  76 is_abort_char (int c)
  77 {
  78     return ((c == ESC_CHAR) || (c == KEY_F (10)));
  79 }
  80
  81 /* To define sequences and return codes */
  82 #define MCKEY_NOACTION  0
  83 #define MCKEY_ESCAPE    1
  84
  85 /* Return code for the mouse sequence */
  86 #define MCKEY_MOUSE     -2
  87
  88
  89 /* internally used in key.c, defined in keyxtra.c */
  90 void load_xtra_key_defines (void);
  91
  92 /* Learn a single key */
  93 char *learn_key (void);
  94
  95 /* Returns a key code (interpreted) */
  96 int get_key_code (int nodelay);
  97
  98 /* Set keypad mode (xterm and linux console only) */
  99 void numeric_keypad_mode (void);
 100 void application_keypad_mode (void);
 101
 102 #endif /* MC_KEY_H */