root/src/editor/editwidget.h

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INCLUDED FROM


   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 #include "editbuffer.h"
  13 
  14 /*** typedefs(not structures) and defined constants **********************************************/
  15 
  16 #define N_LINE_CACHES 32
  17 
  18 /*** enums ***************************************************************************************/
  19 
  20 /**
  21     enum for store the search conditions check results.
  22     (if search condition have BOL(^) or EOL ($) regexp checial characters).
  23 */
  24 typedef enum
  25 {
  26     AT_START_LINE = (1 << 0),
  27     AT_END_LINE = (1 << 1)
  28 } edit_search_line_t;
  29 
  30 /*** structures declarations (and typedefs of structures)*****************************************/
  31 
  32 typedef struct edit_book_mark_t edit_book_mark_t;
  33 struct edit_book_mark_t
  34 {
  35     long line;                  /* line number */
  36     int c;                      /* color */
  37     edit_book_mark_t *next;
  38     edit_book_mark_t *prev;
  39 };
  40 
  41 typedef struct edit_syntax_rule_t edit_syntax_rule_t;
  42 struct edit_syntax_rule_t
  43 {
  44     unsigned short keyword;
  45     off_t end;
  46     unsigned char context;
  47     unsigned char _context;
  48     unsigned char border;
  49 };
  50 
  51 /*
  52  * State of WEdit window
  53  * MCEDIT_DRAG_NONE   - window is in normal mode
  54  * MCEDIT_DRAG_MOVE   - window is being moved
  55  * MCEDIT_DRAG_RESIZE - window is being resized
  56  */
  57 typedef enum
  58 {
  59     MCEDIT_DRAG_NONE = 0,
  60     MCEDIT_DRAG_MOVE,
  61     MCEDIT_DRAG_RESIZE
  62 } mcedit_drag_state_t;
  63 
  64 struct WEdit
  65 {
  66     Widget widget;
  67     mcedit_drag_state_t drag_state;
  68     int drag_state_start;       /* save cursor position before window moving */
  69 
  70     /* save location before move/resize or toggle to fullscreen */
  71     WRect loc_prev;
  72 
  73     vfs_path_t *filename_vpath; /* Name of the file */
  74     vfs_path_t *dir_vpath;      /* NULL if filename is absolute */
  75 
  76     /* dynamic buffers and cursor position for editor: */
  77     edit_buffer_t buffer;
  78 
  79 #ifdef HAVE_CHARSET
  80     /* multibyte support */
  81     gboolean utf8;              /* It's multibyte file codeset */
  82     GIConv converter;
  83     char charbuf[4 + 1];
  84     int charpoint;
  85 #endif
  86 
  87     /* search handler */
  88     mc_search_t *search;
  89     int replace_mode;
  90     /* is search conditions should be started from BOL(^) or ended with EOL($) */
  91     edit_search_line_t search_line_type;
  92 
  93     char *last_search_string;   /* String that have been searched */
  94     off_t search_start;         /* First character to start searching from */
  95     unsigned long found_len;    /* Length of found string or 0 if none was found */
  96     off_t found_start;          /* the found word from a search - start position */
  97 
  98     /* display information */
  99     long start_display;         /* First char displayed */
 100     long start_col;             /* First displayed column, negative */
 101     long max_column;            /* The maximum cursor position ever reached used to calc hori scroll bar */
 102     long curs_row;              /* row position of cursor on the screen */
 103     long curs_col;              /* column position on screen */
 104     long over_col;              /* pos after '\n' */
 105     int force;                  /* how much of the screen do we redraw? */
 106     unsigned int overwrite:1;   /* Overwrite on type mode (as opposed to insert) */
 107     unsigned int modified:1;    /* File has been modified and needs saving */
 108     unsigned int loading_done:1;        /* File has been loaded into the editor */
 109     unsigned int locked:1;      /* We hold lock on current file */
 110     unsigned int delete_file:1; /* New file, needs to be deleted unless modified */
 111     unsigned int highlight:1;   /* There is a selected block */
 112     unsigned int column_highlight:1;
 113     unsigned int fullscreen:1;  /* Is window fullscreen or not */
 114     long prev_col;              /* recent column position of the cursor - used when moving
 115                                    up or down past lines that are shorter than the current line */
 116     long start_line;            /* line number of the top of the page */
 117 
 118     /* file info */
 119     off_t mark1;                /* position of highlight start */
 120     off_t mark2;                /* position of highlight end */
 121     off_t end_mark_curs;        /* position of cursor after end of highlighting */
 122     long column1;               /* position of column highlight start */
 123     long column2;               /* position of column highlight end */
 124     off_t bracket;              /* position of a matching bracket */
 125     off_t last_bracket;         /* previous position of a matching bracket */
 126 
 127     /* cache speedup for line lookups */
 128     gboolean caches_valid;
 129     long line_numbers[N_LINE_CACHES];
 130     off_t line_offsets[N_LINE_CACHES];
 131 
 132     edit_book_mark_t *book_mark;
 133     GArray *serialized_bookmarks;
 134 
 135     /* undo stack and pointers */
 136     unsigned long undo_stack_pointer;
 137     long *undo_stack;
 138     unsigned long undo_stack_size;
 139     unsigned long undo_stack_size_mask;
 140     unsigned long undo_stack_bottom;
 141     unsigned int undo_stack_disable:1;  /* If not 0, don't save events in the undo stack */
 142 
 143     unsigned long redo_stack_pointer;
 144     long *redo_stack;
 145     unsigned long redo_stack_size;
 146     unsigned long redo_stack_size_mask;
 147     unsigned long redo_stack_bottom;
 148     unsigned int redo_stack_reset:1;    /* If 1, need clear redo stack */
 149 
 150     struct stat stat1;          /* Result of mc_fstat() on the file */
 151     unsigned int skip_detach_prompt:1;  /* Do not prompt whether to detach a file anymore */
 152 
 153     /* syntax higlighting */
 154     GSList *syntax_marker;
 155     GPtrArray *rules;
 156     off_t last_get_rule;
 157     edit_syntax_rule_t rule;
 158     char *syntax_type;          /* description of syntax highlighting type being used */
 159     GTree *defines;             /* List of defines */
 160     gboolean is_case_insensitive;       /* selects language case sensitivity */
 161 
 162     /* line break */
 163     LineBreaks lb;
 164 };
 165 
 166 /*** global variables defined in .c file *********************************************************/
 167 
 168 /*** declarations of public functions ************************************************************/
 169 
 170 /*** inline functions ****************************************************************************/
 171 #endif /* MC__EDIT_WIDGET_H */

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