/* edit.h - editor private API Copyright (C) 1996, 1997, 2009 Free Software Foundation, Inc. Authors: 1996, 1997 Paul Sheer 2009 Andrew Borodin This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ /** \file edit-impl.h * \brief Header: editor low level data handling and cursor fundamentals * \author Paul Sheer * \date 1996, 1997 */ #ifndef MC_EDIT_IMPL_H #define MC_EDIT_IMPL_H #include #include "../edit/edit.h" #define SEARCH_DIALOG_OPTION_NO_SCANF (1 << 0) #define SEARCH_DIALOG_OPTION_NO_REGEX (1 << 1) #define SEARCH_DIALOG_OPTION_NO_CASE (1 << 2) #define SEARCH_DIALOG_OPTION_BACKWARDS (1 << 3) #define SEARCH_DIALOG_OPTION_BOOKMARK (1 << 4) #define EDIT_KEY_EMULATION_NORMAL 0 #define EDIT_KEY_EMULATION_EMACS 1 #define EDIT_KEY_EMULATION_USER 2 #define REDRAW_LINE (1 << 0) #define REDRAW_LINE_ABOVE (1 << 1) #define REDRAW_LINE_BELOW (1 << 2) #define REDRAW_AFTER_CURSOR (1 << 3) #define REDRAW_BEFORE_CURSOR (1 << 4) #define REDRAW_PAGE (1 << 5) #define REDRAW_IN_BOUNDS (1 << 6) #define REDRAW_CHAR_ONLY (1 << 7) #define REDRAW_COMPLETELY (1 << 8) #define EDIT_TEXT_HORIZONTAL_OFFSET 0 #define EDIT_TEXT_VERTICAL_OFFSET 1 #define EDIT_RIGHT_EXTREME option_edit_right_extreme #define EDIT_LEFT_EXTREME option_edit_left_extreme #define EDIT_TOP_EXTREME option_edit_top_extreme #define EDIT_BOTTOM_EXTREME option_edit_bottom_extreme /* * The editor keeps data in two arrays of buffers. * All buffers have the same size, which must be a power of 2. */ /* Configurable: log2 of the buffer size in bytes */ #ifndef S_EDIT_BUF_SIZE #define S_EDIT_BUF_SIZE 16 #endif /* Size of the buffer */ #define EDIT_BUF_SIZE (((off_t) 1) << S_EDIT_BUF_SIZE) /* Buffer mask (used to find cursor position relative to the buffer) */ #define M_EDIT_BUF_SIZE (EDIT_BUF_SIZE - 1) /* * Configurable: Maximal allowed number of buffers in each buffer array. * This number can be increased for systems with enough physical memory. */ #ifndef MAXBUFF #define MAXBUFF 1024 #endif /* Maximal length of file that can be opened */ #define SIZE_LIMIT (EDIT_BUF_SIZE * (MAXBUFF - 2)) /* Initial size of the undo stack, in bytes */ #define START_STACK_SIZE 32 /* Some codes that may be pushed onto or returned from the undo stack */ #define CURS_LEFT 601 #define CURS_RIGHT 602 #define DELCHAR 603 #define BACKSPACE 604 #define STACK_BOTTOM 605 #define CURS_LEFT_LOTS 606 #define CURS_RIGHT_LOTS 607 #define COLUMN_ON 608 #define COLUMN_OFF 609 #define MARK_1 1000 #define MARK_2 700000000 #define KEY_PRESS 1400000000 /* Tabs spaces: (sofar only HALF_TAB_SIZE is used: */ #define TAB_SIZE option_tab_spacing #define HALF_TAB_SIZE ((int) option_tab_spacing / 2) /* max count stack files */ #define MAX_HISTORY_MOVETO 50 #define LINE_STATE_WIDTH 8 typedef struct edit_stack_type { long line; char *filename; } edit_stack_type; struct macro { short command; short ch; }; /* type for file which is currently being edited */ typedef enum { EDIT_FILE_COMMON = 0, EDIT_FILE_SYNTAX = 1, EDIT_FILE_MENU = 2 } edit_current_file_t; /* line breaks */ typedef enum { LB_ASIS = 0, LB_UNIX, LB_WIN, LB_MAC } LineBreaks; #define LB_NAMES (LB_MAC + 1) extern const char VERTICAL_MAGIC[5]; /* if enable_show_tabs_tws ==1 then use visible_tab visible_tws */ extern int enable_show_tabs_tws; int edit_drop_hotkey_menu (WEdit *e, int key); void edit_menu_cmd (WEdit *e); struct WMenu *edit_create_menu (void); void edit_done_menu (struct WMenu *wmenu); void edit_reload_menu (void); void menu_save_mode_cmd (void); int edit_translate_key (WEdit *edit, long x_key, int *cmd, int *ch); int edit_get_byte (WEdit * edit, long byte_index); char *edit_get_byte_ptr (WEdit * edit, long byte_index); char *edit_get_buf_ptr (WEdit * edit, long byte_index); int edit_get_utf (WEdit * edit, long byte_index, int *char_width); int edit_get_prev_utf (WEdit * edit, long byte_index, int *char_width); int edit_count_lines (WEdit * edit, long current, int upto); long edit_move_forward (WEdit * edit, long current, int lines, long upto); long edit_move_forward3 (WEdit * edit, long current, int cols, long upto); long edit_move_backward (WEdit * edit, long current, int lines); void edit_scroll_screen_over_cursor (WEdit * edit); void edit_render_keypress (WEdit * edit); void edit_scroll_upward (WEdit * edit, unsigned long i); void edit_scroll_downward (WEdit * edit, int i); void edit_scroll_right (WEdit * edit, int i); void edit_scroll_left (WEdit * edit, int i); void edit_move_up (WEdit * edit, unsigned long i, int scroll); void edit_move_down (WEdit * edit, int i, int scroll); void edit_move_to_prev_col (WEdit *edit, long p); int edit_get_col (WEdit * edit); long edit_bol (WEdit * edit, long current); long edit_eol (WEdit * edit, long current); void edit_update_curs_row (WEdit * edit); void edit_update_curs_col (WEdit * edit); void edit_find_bracket (WEdit * edit); int edit_reload_line (WEdit *edit, const char *filename, long line); void edit_block_copy_cmd (WEdit * edit); void edit_block_move_cmd (WEdit * edit); int edit_block_delete_cmd (WEdit * edit); void edit_delete_line (WEdit * edit); void insert_spaces_tab (WEdit * edit, int half); int edit_delete (WEdit * edit, const int byte_delete); void edit_insert (WEdit * edit, int c); void edit_cursor_move (WEdit * edit, long increment); void edit_move_block_to_right (WEdit * edit); void edit_move_block_to_left (WEdit * edit); void edit_push_action (WEdit * edit, long c, ...); void edit_push_key_press (WEdit * edit); void edit_insert_ahead (WEdit * edit, int c); long edit_write_stream (WEdit * edit, FILE * f); char *edit_get_write_filter (const char *writename, const char *filename); int edit_save_confirm_cmd (WEdit * edit); int edit_save_as_cmd (WEdit * edit); WEdit *edit_init (WEdit *edit, int lines, int columns, const char *filename, long line); int edit_clean (WEdit * edit); int edit_ok_to_exit (WEdit *edit); int edit_renew (WEdit * edit); int edit_new_cmd (WEdit * edit); int edit_reload (WEdit *edit, const char *filename); int edit_load_cmd (WEdit * edit, edit_current_file_t what); void edit_mark_cmd (WEdit * edit, int unmark); void edit_set_markers (WEdit * edit, long m1, long m2, int c1, int c2); void edit_push_markers (WEdit * edit); void edit_replace_cmd (WEdit * edit, int again); void edit_search_cmd (WEdit * edit, int again); void edit_complete_word_cmd (WEdit * edit); void edit_get_match_keyword_cmd (WEdit *edit); int edit_save_block (WEdit * edit, const char *filename, long start, long finish); int edit_save_block_cmd (WEdit * edit); int edit_insert_file_cmd (WEdit * edit); void edit_insert_column_of_text (WEdit * edit, unsigned char *data, int size, int width); int edit_insert_column_of_text_from_file (WEdit * edit, int file); int edit_insert_file (WEdit * edit, const char *filename); int edit_load_back_cmd (WEdit * edit); int edit_load_forward_cmd (WEdit * edit); void edit_block_process_cmd (WEdit * edit, const char *shell_cmd, int block); void edit_refresh_cmd (WEdit * edit); void edit_date_cmd (WEdit * edit); void edit_goto_cmd (WEdit * edit); int eval_marks (WEdit * edit, long *start_mark, long *end_mark); void edit_status (WEdit * edit); void edit_execute_key_command (WEdit *edit, int command, int char_for_insertion); void edit_update_screen (WEdit * edit); int edit_print_string (WEdit * e, const char *s); void edit_move_to_line (WEdit * e, long line); void edit_move_display (WEdit * e, long line); void edit_word_wrap (WEdit * edit); int edit_sort_cmd (WEdit * edit); int edit_ext_cmd (WEdit * edit); void edit_help_cmd (WEdit * edit); int edit_save_macro_cmd (WEdit * edit, struct macro macro[], int n); int edit_load_macro_cmd (WEdit * edit, struct macro macro[], int *n, int k); void edit_delete_macro_cmd (WEdit * edit); int edit_copy_to_X_buf_cmd (WEdit * edit); int edit_cut_to_X_buf_cmd (WEdit * edit); void edit_paste_from_X_buf_cmd (WEdit * edit); void edit_select_codepage_cmd (WEdit *edit); void edit_insert_literal_cmd (WEdit *edit); void edit_execute_macro_cmd (WEdit *edit); void edit_begin_end_macro_cmd(WEdit *edit); void edit_paste_from_history (WEdit *edit); void edit_set_filename (WEdit *edit, const char *name); void edit_load_syntax (WEdit * edit, char ***pnames, const char *type); void edit_free_syntax_rules (WEdit * edit); void edit_get_syntax_color (WEdit * edit, long byte_index, int *color); void book_mark_insert (WEdit * edit, int line, int c); int book_mark_query_color (WEdit * edit, int line, int c); int book_mark_query_all (WEdit * edit, int line, int *c); struct _book_mark *book_mark_find (WEdit * edit, int line); int book_mark_clear (WEdit * edit, int line, int c); void book_mark_flush (WEdit * edit, int c); void book_mark_inc (WEdit * edit, int line); void book_mark_dec (WEdit * edit, int line); int line_is_blank (WEdit *edit, long line); int edit_indent_width (WEdit *edit, long p); void edit_insert_indent (WEdit *edit, int indent); void edit_options_dialog (void); void edit_syntax_dialog (void); void edit_mail_dialog (WEdit *edit); void format_paragraph (WEdit *edit, int force); /* either command or char_for_insertion must be passed as -1 */ void edit_execute_cmd (WEdit *edit, int command, int char_for_insertion); #define get_sys_error(s) (s) #define edit_error_dialog(h,s) query_dialog (h, s, D_ERROR, 1, _("&Dismiss")) #define edit_query_dialog2(h,t,a,b) query_dialog (h, t, D_NORMAL, 2, a, b) #define edit_query_dialog3(h,t,a,b,c) query_dialog (h, t, D_NORMAL, 3, a, b, c) #define color_palette(x) win->color[x].pixel #define NUM_SELECTION_HISTORY 64 #ifndef MAX_PATH_LEN #ifdef PATH_MAX #define MAX_PATH_LEN PATH_MAX #else #define MAX_PATH_LEN 1024 #endif #endif extern int edit_stack_iterator; extern edit_stack_type edit_history_moveto [MAX_HISTORY_MOVETO]; extern WEdit *wedit; struct WMenu; extern struct WMenu *edit_menubar; extern int option_line_state_width; typedef enum { EDIT_QUICK_SAVE = 0, EDIT_SAFE_SAVE, EDIT_DO_BACKUP } edit_save_mode_t; extern int option_max_undo; extern int option_auto_syntax; extern char *option_syntax_type; extern int editor_option_check_nl_at_eof; extern int option_edit_right_extreme; extern int option_edit_left_extreme; extern int option_edit_top_extreme; extern int option_edit_bottom_extreme; extern const char *option_whole_chars_search; extern int column_highlighting; #endif /* MC_EDIT_IMPL_H */