src/editor/edit-widget.h

   1 /** \file
   2  *  \brief Header: editor widget WEdit
   3  */
   4
   5 #ifndef MC__EDIT_WIDGET_H
   6 #define MC__EDIT_WIDGET_H
   7
   8 #include "lib/search.h"         /* mc_search_t */
   9 #include "lib/widget.h"         /* Widget */
  10
  11 #include "edit-impl.h"
  12
  13 /*** typedefs(not structures) and defined constants **********************************************/
  14
  15 #define MAX_MACRO_LENGTH 1024
  16 #define N_LINE_CACHES 32
  17
  18 /*** enums ***************************************************************************************/
  19
  20 /*** structures declarations (and typedefs of structures)*****************************************/
  21
  22 struct _book_mark
  23 {
  24     int line;                   /* line number */
  25     int c;                      /* color */
  26     struct _book_mark *next;
  27     struct _book_mark *prev;
  28 };
  29
  30 struct syntax_rule
  31 {
  32     unsigned short keyword;
  33     unsigned char end;
  34     unsigned char context;
  35     unsigned char _context;
  36     unsigned char border;
  37 };
  38
  39 struct WEdit
  40 {
  41     Widget widget;
  42
  43     char *filename;             /* Name of the file */
  44     char *dir;                  /* NULL if filename is absolute */
  45
  46     /* dynamic buffers and cursor position for editor: */
  47     long curs1;                 /* position of the cursor from the beginning of the file. */
  48     long curs2;                 /* position from the end of the file */
  49     unsigned char *buffers1[MAXBUFF + 1];       /* all data up to curs1 */
  50     unsigned char *buffers2[MAXBUFF + 1];       /* all data from end of file down to curs2 */
  51
  52     /* UTF8 */
  53     char charbuf[4 + 1];
  54     int charpoint;
  55
  56     /* search handler */
  57     mc_search_t *search;
  58     int replace_mode;
  59
  60     char *last_search_string;   /* String that have been searched */
  61     long search_start;          /* First character to start searching from */
  62     int found_len;              /* Length of found string or 0 if none was found */
  63     long found_start;           /* the found word from a search - start position */
  64
  65     /* display information */
  66     long last_byte;             /* Last byte of file */
  67     long start_display;         /* First char displayed */
  68     long start_col;             /* First displayed column, negative */
  69     long max_column;            /* The maximum cursor position ever reached used to calc hori scroll bar */
  70     long curs_row;              /* row position of cursor on the screen */
  71     long curs_col;              /* column position on screen */
  72     long over_col;              /* pos after '\n' */
  73     int force;                  /* how much of the screen do we redraw? */
  74     unsigned int overwrite:1;   /* Overwrite on type mode (as opposed to insert) */
  75     unsigned int modified:1;    /* File has been modified and needs saving */
  76     unsigned int loading_done:1;        /* File has been loaded into the editor */
  77     unsigned int locked:1;      /* We hold lock on current file */
  78     unsigned int delete_file:1; /* New file, needs to be deleted unless modified */
  79     unsigned int highlight:1;   /* There is a selected block */
  80     unsigned int column_highlight:1;
  81     unsigned int utf8:1;        /* It's multibyte file codeset */
  82     long prev_col;              /* recent column position of the cursor - used when moving
  83                                    up or down past lines that are shorter than the current line */
  84     long curs_line;             /* line number of the cursor. */
  85     long start_line;            /* line number of the top of the page */
  86
  87     /* file info */
  88     long total_lines;           /* total lines in the file */
  89     long mark1;                 /* position of highlight start */
  90     long mark2;                 /* position of highlight end */
  91     long end_mark_curs;         /* position of cursor after end of highlighting */
  92     int column1;                /* position of column highlight start */
  93     int column2;                /* position of column highlight end */
  94     long bracket;               /* position of a matching bracket */
  95
  96     /* cache speedup for line lookups */
  97     int caches_valid;
  98     int line_numbers[N_LINE_CACHES];
  99     long line_offsets[N_LINE_CACHES];
 100
 101     struct _book_mark *book_mark;
 102     GArray *serialized_bookmarks;
 103
 104     /* undo stack and pointers */
 105     unsigned long stack_pointer;
 106     long *undo_stack;
 107     unsigned long stack_size;
 108     unsigned long stack_size_mask;
 109     unsigned long stack_bottom;
 110     unsigned int stack_disable:1;       /* If not 0, don't save events in the undo stack */
 111
 112     struct stat stat1;          /* Result of mc_fstat() on the file */
 113     unsigned int skip_detach_prompt:1;  /* Do not prompt whether to detach a file anymore */
 114
 115     /* syntax higlighting */
 116     struct _syntax_marker *syntax_marker;
 117     struct context_rule **rules;
 118     long last_get_rule;
 119     struct syntax_rule rule;
 120     char *syntax_type;          /* description of syntax highlighting type being used */
 121     GTree *defines;             /* List of defines */
 122     gboolean is_case_insensitive;       /* selects language case sensitivity */
 123
 124     /* macro stuff */
 125     int macro_i;                /* index to macro[], -1 if not recording a macro */
 126     int macro_depth;            /* depth of the macro recursion */
 127     struct macro macro[MAX_MACRO_LENGTH];
 128
 129     /* user map stuff */
 130     GIConv converter;
 131
 132     /* line break */
 133     LineBreaks lb;
 134     int extmod;
 135
 136     char *labels[10];
 137
 138 };
 139
 140 /*** global variables defined in .c file *********************************************************/
 141
 142 /*** declarations of public functions ************************************************************/
 143
 144 /*** inline functions ****************************************************************************/
 145 #endif /* MC__EDIT_WIDGET_H */