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Diffstat (limited to 'src/editor/editwidget.h')
| -rw-r--r-- | src/editor/editwidget.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/editor/editwidget.h b/src/editor/editwidget.h new file mode 100644 index 0000000..da0fb50 --- /dev/null +++ b/src/editor/editwidget.h @@ -0,0 +1,173 @@ +/** \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 */ |