path: root/smenu.h

/* ########################################################### */
/* This Software is licensed under the GPL licensed Version 2, */
/* please read http://www.gnu.org/copyleft/gpl.html.           */
/* ########################################################### */

#ifndef SMENU_H
#define SMENU_H

#define CHARSCHUNK 8
#define WORDSCHUNK 8
#define COLSCHUNK 16

#define TPARM1(p) tparm(p, 0, 0, 0, 0, 0, 0, 0, 0, 0)
#define TPARM2(p, q) tparm(p, q, 0, 0, 0, 0, 0, 0, 0, 0)
#define TPARM3(p, q, r) tparm(p, q, r, 0, 0, 0, 0, 0, 0, 0)

#define _XOPEN_SOURCE 700

/* Used for timers management. */
/* """"""""""""""""""""""""""" */
#define SECOND 1000000
#define FREQ 10
#define TCK (SECOND / FREQ)

/* Bit array management. */
/* """"""""""""""""""""" */
#define MASK (CHAR_BIT - 1)
#define SHIFT ((CHAR_BIT == 8) ? 3 : (CHAR_BIT == 16) ? 4 : 8)

#define BIT_OFF(a, x) ((void)((a)[(x) >> SHIFT] &= ~(1 << ((x)&MASK))))
#define BIT_ON(a, x) ((void)((a)[(x) >> SHIFT] |= (1 << ((x)&MASK))))
#define BIT_FLIP(a, x) ((void)((a)[(x) >> SHIFT] ^= (1 << ((x)&MASK))))
#define BIT_ISSET(a, x) ((a)[(x) >> SHIFT] & (1 << ((x)&MASK)))

/* ********* */
/* Typedefs. */
/* ********* */

typedef struct charsetinfo_s charsetinfo_t;
typedef struct term_s        term_t;
typedef struct toggle_s      toggle_t;
typedef struct win_s         win_t;
typedef struct word_s        word_t;
typedef struct attrib_s      attrib_t;
typedef struct limit_s       limit_t;
typedef struct ticker_s      ticker_t;
typedef struct misc_s        misc_t;
typedef struct sed_s         sed_t;
typedef struct timeout_s     timeout_t;
typedef struct output_s      output_t;
typedef struct daccess_s     daccess_t;
typedef struct search_data_s search_data_t;

/* ****** */
/* Enums. */
/* ****** */

/* Various filter pseudo constants. */
/* """""""""""""""""""""""""""""""" */
typedef enum filter_types
{
  UNKNOWN_FILTER,
  INCLUDE_FILTER,
  EXCLUDE_FILTER
} filters_t;

/* Used by the -N -F and -D options. */
/* """"""""""""""""""""""""""""""""" */
typedef enum daccess_modes
{
  DA_TYPE_NONE = 0, /* must be 0 (boolean value). */
  DA_TYPE_AUTO = 1,
  DA_TYPE_POS  = 2
} da_mode_t;

/* Various timeout mode used by the -x/-X option. */
/* """""""""""""""""""""""""""""""""""""""""""""" */
typedef enum timeout_modes
{
  CURRENT, /* on timeout, outputs the selected word.       */
  QUIT,    /* on timeout, quit without selecting anything. */
  WORD     /* on timeout , outputs the specified word.     */
} to_mode_t;

/* Constants used to set the color attributes. */
/* """"""""""""""""""""""""""""""""""""""""""" */
typedef enum attribute_settings
{
  UNSET = 0, /* must be 0 for future testings. */
  SET,
  FORCED /* an attribute setting has been given in the command line. */
} attr_set_t;

/* Constant to distinguish between the various search modes. */
/* """"""""""""""""""""""""""""""""""""""""""""""""""""""""" */
typedef enum search_modes
{
  NONE,
  PREFIX,
  FUZZY,
  SUBSTRING
} search_mode_t;

/* Constants used in search mode to orient the bit-mask building. */
/* """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" */
typedef enum bitmap_affinities
{
  NO_AFFINITY,
  END_AFFINITY,
  START_AFFINITY
} bitmap_affinity_t;

/* Used when managing the -R option. */
/* """"""""""""""""""""""""""""""""" */
enum
{
  ROW_REGEX_EXCLUDE = 0, /* must be 0 (boolean value). */
  ROW_REGEX_INCLUDE = 1
};

/* Used when managing the -C option. */
/* """"""""""""""""""""""""""""""""" */
enum
{
  EXCLUDE_MARK      = 0, /* must be 0 because used in various tests      *
                          | these words cannot be re-included.           */
  INCLUDE_MARK      = 1, /* to forcibly include a word, these words can  *
                          | be excluded later.                           */
  SOFT_EXCLUDE_MARK = 2, /* word with this mark are excluded by default  *
                          | but can be included later.                   */
  SOFT_INCLUDE_MARK = 3  /* word with this mark are included by default  *
                          | but can be excluded later.                   */
};

/* ******* */
/* Structs */
/* ******* */

/* Used to store the different allowed charsets data. */
/* """""""""""""""""""""""""""""""""""""""""""""""""" */
struct charsetinfo_s
{
  char * name; /* canonical name of the allowed charset. */
  int    bits; /* number of bits in this charset.        */
};

/* Various toggles which can be set with command line options. */
/* """"""""""""""""""""""""""""""""""""""""""""""""""""""""""" */
struct toggle_s
{
  int del_line;            /* 1 if the clean option is set (-d) else 0.   */
  int enter_val_in_search; /* 1 if ENTER validates in search mode else 0. */
  int no_scrollbar;        /* 1 to disable the scrollbar display else 0.  */
  int blank_nonprintable;  /* 1 to try to display non-blanks in           *
                            | symbolic form else 0.                       */
  int keep_spaces;         /* 1 to keep the trailing spaces in columns    *
                            | and tabulate mode.                          */
  int taggable;            /* 1 if tagging is enabled.                    */
  int pinable;             /* 1 if pinning is selected.                   */
  int autotag;             /* 1 if tagging is selected and pinning is     *
                            | not and we do no want an automatic tagging  *
                            | when the users presses <ENTER>.             */
  int noautotag;           /* 1 if the word under the cursor must not be  *
                            | autotagged when no other word are tagged.   */
  int visual_bell;         /* 1 to flash the window, 0 to make a sound.   */
  int incremental_search;  /* 1 makes the searching process incremental.  *
                            | 0 keeps it forgetful.                       */
};

/* Structure to store the default or imposed smenu limits. */
/* """"""""""""""""""""""""""""""""""""""""""""""""""""""" */
struct limit_s
{
  long word_length; /* maximum number of bytes in a word. */
  long words;       /* maximum number of words.           */
  long cols;        /* maximum number of columns.         */
};

/* Structure to store the default or imposed timers. */
/* """"""""""""""""""""""""""""""""""""""""""""""""" */
struct ticker_s
{
  int search;
  int help;
  int winch;
  int direct_access;
};

/* Structure to store miscellaneous informations. */
/* """""""""""""""""""""""""""""""""""""""""""""" */
struct misc_s
{
  search_mode_t default_search_method;
  char          invalid_char_substitute;
  int           ignore_quotes;
};

/* Terminal setting variables. */
/* """"""""""""""""""""""""""" */
struct termios new_in_attrs;
struct termios old_in_attrs;

/* Interval timers used. */
/* """"""""""""""""""""" */
struct itimerval periodic_itv; /* refresh rate for the timeout counter. */

int help_timer    = -1;
int winch_timer   = -1;
int daccess_timer = -1;
int search_timer  = -1;

/* Structure containing the attributes components. */
/* """"""""""""""""""""""""""""""""""""""""""""""" */
struct attrib_s
{
  attr_set_t  is_set;
  short       fg;
  short       bg;
  signed char bold;
  signed char dim;
  signed char reverse;
  signed char standout;
  signed char underline;
  signed char italic;
  signed char blink;
};

/* Structure containing some terminal characteristics. */
/* """"""""""""""""""""""""""""""""""""""""""""""""""" */
struct term_s
{
  int   ncolumns;     /* number of columns.                      */
  int   nlines;       /* number of lines.                        */
  int   curs_column;  /* current cursor column.                  */
  int   curs_line;    /* current cursor line.                    */
  short colors;       /* number of available colors.             */
  short color_method; /* color method (0=classic (0-7), 1=ANSI). */

  char has_cursor_up;         /* has cuu1 terminfo capability.           */
  char has_cursor_down;       /* has cud1 terminfo capability.           */
  char has_cursor_left;       /* has cub1 terminfo capability.           */
  char has_cursor_right;      /* has cuf1 terminfo capability.           */
  char has_parm_right_cursor; /* has cuf terminfo capability.            */
  char has_cursor_address;    /* has cup terminfo capability.            */
  char has_save_cursor;       /* has sc terminfo capability.             */
  char has_restore_cursor;    /* has rc terminfo capability.             */
  char has_setf;              /* has set_foreground terminfo capability. */
  char has_setb;              /* has set_background terminfo capability. */
  char has_setaf;             /* idem for set_a_foreground (ANSI).       */
  char has_setab;             /* idem for set_a_background (ANSI).       */
  char has_hpa;               /* has column_address terminfo capability. */
  char has_bold;              /* has bold mode.                          */
  char has_dim;               /* has dim mode.                           */
  char has_reverse;           /* has reverse mode.                       */
  char has_underline;         /* has underline mode.                     */
  char has_standout;          /* has standout mode.                      */
  char has_italic;            /* has italic mode.                        */
  char has_blink;             /* has blink mode.                         */
};

/* Structure describing a word. */
/* """""""""""""""""""""""""""" */
struct word_s
{
  long          start, end;    /* start/end absolute horiz. word positions *
                                | on the screen.                           */
  size_t        mb;            /* number of UTF-8 glyphs to display.       */
  long          tag_order;     /* each time a word is tagged, this value.  *
                                | is increased.                            */
  size_t        special_level; /* can vary from 0 to 9; 0 meaning normal.  */
  char *        str;           /* display string associated with this word */
  size_t        len;           /* number of bytes of str (for trimming).   */
  char *        orig;          /* NULL or original string if is had been.  *