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/** \file
* \brief Header: editor widget WEdit
*/
#ifndef MC__EDIT_WIDGET_H
#define MC__EDIT_WIDGET_H
#include <limits.h> /* MB_LEN_MAX */
#include "lib/search.h" /* mc_search_t */
#include "lib/widget.h" /* Widget */
#include "edit-impl.h"
#include "editbuffer.h"
/*** typedefs(not structures) and defined constants **********************************************/
#define N_LINE_CACHES 32
/*** enums ***************************************************************************************/
/**
enum for store the search conditions check results.
(if search condition have BOL(^) or EOL ($) regexp checial characters).
*/
typedef enum
{
AT_START_LINE = (1 << 0),
AT_END_LINE = (1 << 1)
} edit_search_line_t;
/*** structures declarations (and typedefs of structures)*****************************************/
typedef struct edit_book_mark_t edit_book_mark_t;
struct edit_book_mark_t
{
long line; /* line number */
int c; /* color */
edit_book_mark_t *next;
edit_book_mark_t *prev;
};
typedef struct edit_syntax_rule_t edit_syntax_rule_t;
struct edit_syntax_rule_t
{
unsigned short keyword;
off_t end;
unsigned char context;
unsigned char _context;
unsigned char border;
};
/*
* State of WEdit window
* MCEDIT_DRAG_NONE - window is in normal mode
* MCEDIT_DRAG_MOVE - window is being moved
* MCEDIT_DRAG_RESIZE - window is being resized
*/
typedef enum
{
MCEDIT_DRAG_NONE = 0,
MCEDIT_DRAG_MOVE,
MCEDIT_DRAG_RESIZE
} mcedit_drag_state_t;
struct WEdit
{
Widget widget;
mcedit_drag_state_t drag_state;
int drag_state_start; /* save cursor position before window moving */
/* save location before move/resize or toggle to fullscreen */
WRect loc_prev;
vfs_path_t *filename_vpath; /* Name of the file */
vfs_path_t *dir_vpath; /* NULL if filename is absolute */
/* dynamic buffers and cursor position for editor: */
edit_buffer_t buffer;
#ifdef HAVE_CHARSET
/* multibyte support */
gboolean utf8; /* It's multibyte file codeset */
GIConv converter;
char charbuf[MB_LEN_MAX + 1];
int charpoint;
#endif
/* search handler */
mc_search_t *search;
int replace_mode;
/* is search conditions should be started from BOL(^) or ended with EOL($) */
edit_search_line_t search_line_type;
char *last_search_string; /* String that have been searched */
off_t search_start; /* First character to start searching from */
unsigned long found_len; /* Length of found string or 0 if none was found */
off_t found_start; /* the found word from a search - start position */
/* display information */
long start_display; /* First char displayed */
long start_col; /* First displayed column, negative */
long max_column; /* The maximum cursor position ever reached used to calc hori scroll bar */
long curs_row; /* row position of cursor on the screen */
long curs_col; /* column position on screen */
long over_col; /* pos after '\n' */
int force; /* how much of the screen do we redraw? */
unsigned int overwrite:1; /* Overwrite on type mode (as opposed to insert) */
unsigned int modified:1; /* File has been modified and needs saving */
unsigned int loading_done:1; /* File has been loaded into the editor */
unsigned int locked:1; /* We hold lock on current file */
unsigned int delete_file:1; /* New file, needs to be deleted unless modified */
unsigned int highlight:1; /* There is a selected block */
unsigned int column_highlight:1;
unsigned int fullscreen:1; /* Is window fullscreen or not */
long prev_col; /* recent column position of the cursor - used when moving
up or down past lines that are shorter than the current line */
long start_line; /* line number of the top of the page */
/* file info */
off_t mark1; /* position of highlight start */
off_t mark2; /* position of highlight end */
off_t end_mark_curs; /* position of cursor after end of highlighting */
long column1; /* position of column highlight start */
long column2; /* position of column highlight end */
off_t bracket; /* position of a matching bracket */
off_t last_bracket; /* previous position of a matching bracket */
/* cache speedup for line lookups */
gboolean caches_valid;
long line_numbers[N_LINE_CACHES];
off_t line_offsets[N_LINE_CACHES];
edit_book_mark_t *book_mark;
GArray *serialized_bookmarks;
/* undo stack and pointers */
unsigned long undo_stack_pointer;
long *undo_stack;
unsigned long undo_stack_size;
unsigned long undo_stack_size_mask;
unsigned long undo_stack_bottom;
unsigned int undo_stack_disable:1; /* If not 0, don't save events in the undo stack */
unsigned long redo_stack_pointer;
long *redo_stack;
unsigned long redo_stack_size;
unsigned long redo_stack_size_mask;
unsigned long redo_stack_bottom;
unsigned int redo_stack_reset:1; /* If 1, need clear redo stack */
struct stat stat1; /* Result of mc_fstat() on the file */
unsigned int skip_detach_prompt:1; /* Do not prompt whether to detach a file anymore */
/* syntax higlighting */
GSList *syntax_marker;
GPtrArray *rules;
off_t last_get_rule;
edit_syntax_rule_t rule;
char *syntax_type; /* description of syntax highlighting type being used */
GTree *defines; /* List of defines */
gboolean is_case_insensitive; /* selects language case sensitivity */
/* line break */
LineBreaks lb;
};
/*** global variables defined in .c file *********************************************************/
/*** declarations of public functions ************************************************************/
/*** inline functions ****************************************************************************/
#endif /* MC__EDIT_WIDGET_H */
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