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 /**
  20     enum for store the search conditions check results.
  21     (if search condition have BOL(^) or EOL ($) regexp checial characters).
  22 */
  23 typedef enum
  24 {
  25     AT_START_LINE = (1 << 0),
  26     AT_END_LINE = (1 << 1)
  27 } edit_search_line_t;
  28
  29 /*** structures declarations (and typedefs of structures)*****************************************/
  30
  31 struct _book_mark
  32 {
  33     int line;                   /* line number */
  34     int c;                      /* color */
  35     struct _book_mark *next;
  36     struct _book_mark *prev;
  37 };
  38
  39 struct syntax_rule
  40 {
  41     unsigned short keyword;
  42     unsigned char end;
  43     unsigned char context;
  44     unsigned char _context;
  45     unsigned char border;
  46 };
  47
  48 struct WEdit
  49 {
  50     Widget widget;
  51
  52     vfs_path_t *filename_vpath; /* Name of the file */
  53     vfs_path_t *dir_vpath;      /* NULL if filename is absolute */
  54
  55     /* dynamic buffers and cursor position for editor: */
  56     long curs1;                 /* position of the cursor from the beginning of the file. */
  57     long curs2;                 /* position from the end of the file */
  58     unsigned char *buffers1[MAXBUFF + 1];       /* all data up to curs1 */
  59     unsigned char *buffers2[MAXBUFF + 1];       /* all data from end of file down to curs2 */
  60
  61     /* UTF8 */
  62     char charbuf[4 + 1];
  63     int charpoint;
  64
  65     /* search handler */
  66     mc_search_t *search;
  67     int replace_mode;
  68     /* is search conditions should be started from BOL(^) or ended with EOL($) */
  69     edit_search_line_t search_line_type;
  70
  71     char *last_search_string;   /* String that have been searched */
  72     long search_start;          /* First character to start searching from */
  73     int found_len;              /* Length of found string or 0 if none was found */
  74     long found_start;           /* the found word from a search - start position */
  75
  76     /* display information */
  77     long last_byte;             /* Last byte of file */
  78     long start_display;         /* First char displayed */
  79     long start_col;             /* First displayed column, negative */
  80     long max_column;            /* The maximum cursor position ever reached used to calc hori scroll bar */
  81     long curs_row;              /* row position of cursor on the screen */
  82     long curs_col;              /* column position on screen */
  83     long over_col;              /* pos after '\n' */
  84     int force;                  /* how much of the screen do we redraw? */
  85     unsigned int overwrite:1;   /* Overwrite on type mode (as opposed to insert) */
  86     unsigned int modified:1;    /* File has been modified and needs saving */
  87     unsigned int loading_done:1;        /* File has been loaded into the editor */
  88     unsigned int locked:1;      /* We hold lock on current file */
  89     unsigned int delete_file:1; /* New file, needs to be deleted unless modified */
  90     unsigned int highlight:1;   /* There is a selected block */
  91     unsigned int column_highlight:1;
  92     unsigned int utf8:1;        /* It's multibyte file codeset */
  93     long prev_col;              /* recent column position of the cursor - used when moving
  94                                    up or down past lines that are shorter than the current line */
  95     long curs_line;             /* line number of the cursor. */
  96     long start_line;            /* line number of the top of the page */
  97
  98     /* file info */
  99     long total_lines;           /* total lines in the file */
 100     long mark1;                 /* position of highlight start */
 101     long mark2;                 /* position of highlight end */
 102     long end_mark_curs;         /* position of cursor after end of highlighting */
 103     int column1;                /* position of column highlight start */
 104     int column2;                /* position of column highlight end */
 105     long bracket;               /* position of a matching bracket */
 106
 107     /* cache speedup for line lookups */
 108     int caches_valid;
 109     int line_numbers[N_LINE_CACHES];
 110     long line_offsets[N_LINE_CACHES];
 111
 112     struct _book_mark *book_mark;
 113     GArray *serialized_bookmarks;
 114
 115     /* undo stack and pointers */
 116     unsigned long undo_stack_pointer;
 117     long *undo_stack;
 118     unsigned long undo_stack_size;
 119     unsigned long undo_stack_size_mask;
 120     unsigned long undo_stack_bottom;
 121     unsigned int undo_stack_disable:1;  /* If not 0, don't save events in the undo stack */
 122
 123     unsigned long redo_stack_pointer;
 124     long *redo_stack;
 125     unsigned long redo_stack_size;
 126     unsigned long redo_stack_size_mask;
 127     unsigned long redo_stack_bottom;
 128     unsigned int redo_stack_reset:1;    /* If 1, need clear redo stack */
 129
 130     struct stat stat1;          /* Result of mc_fstat() on the file */
 131     unsigned int skip_detach_prompt:1;  /* Do not prompt whether to detach a file anymore */
 132
 133     /* syntax higlighting */
 134     struct _syntax_marker *syntax_marker;
 135     struct context_rule **rules;
 136     long last_get_rule;
 137     struct syntax_rule rule;
 138     char *syntax_type;          /* description of syntax highlighting type being used */
 139     GTree *defines;             /* List of defines */
 140     gboolean is_case_insensitive;       /* selects language case sensitivity */
 141
 142     /* user map stuff */
 143     GIConv converter;
 144
 145     /* line break */
 146     LineBreaks lb;
 147     gboolean extmod;
 148
 149     char *labels[10];
 150
 151 };
 152
 153 /*** global variables defined in .c file *********************************************************/
 154
 155 /*** declarations of public functions ************************************************************/
 156
 157 /*** inline functions ****************************************************************************/
 158 #endif /* MC__EDIT_WIDGET_H */