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