/* editor private API */ /** \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 "lib/search.h" /* mc_search_type_t */ #include "lib/widget.h" /* cb_ret_t */ #include "lib/vfs/vfs.h" /* vfs_path_t */ #include "src/setup.h" /* option_tab_spacing */ #include "edit.h" /*** typedefs(not structures) and defined constants **********************************************/ #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 0 #define EDIT_RIGHT_EXTREME 0 #define EDIT_LEFT_EXTREME 0 #define EDIT_TOP_EXTREME 0 #define EDIT_BOTTOM_EXTREME 0 /* 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 DELCHAR_BR 610 #define BACKSPACE_BR 611 #define MARK_1 1000 #define MARK_2 500000000 #define MARK_CURS 1000000000 #define KEY_PRESS 1500000000 /* 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 #define LB_NAMES (LB_MAC + 1) #define get_sys_error(s) (s) #define edit_error_dialog(h,s) query_dialog (h, s, D_ERROR, 1, _("&Dismiss")) #define edit_query_dialog(h,s) query_dialog (h, s, D_NORMAL, 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) /*** enums ***************************************************************************************/ /* line breaks */ typedef enum { LB_ASIS = 0, LB_UNIX, LB_WIN, LB_MAC } LineBreaks; typedef enum { EDIT_QUICK_SAVE = 0, EDIT_SAFE_SAVE, EDIT_DO_BACKUP } edit_save_mode_t; /*** structures declarations (and typedefs of structures)*****************************************/ /* search/replace options */ typedef struct edit_search_options_t { mc_search_type_t type; gboolean case_sens; gboolean backwards; gboolean only_in_selection; gboolean whole_words; gboolean all_codepages; } edit_search_options_t; typedef struct edit_stack_type { long line; vfs_path_t *filename_vpath; } edit_stack_type; /*** global variables defined in .c file *********************************************************/ extern const char VERTICAL_MAGIC[5]; /* if enable_show_tabs_tws == TRUE then use visible_tab visible_tws */ extern gboolean enable_show_tabs_tws; extern edit_search_options_t edit_search_options; extern unsigned int edit_stack_iterator; extern edit_stack_type edit_history_moveto[MAX_HISTORY_MOVETO]; extern int max_undo; extern gboolean auto_syntax; extern gboolean search_create_bookmark; extern char *edit_window_state_char; extern char *edit_window_close_char; /*** declarations of public functions ************************************************************/ gboolean edit_add_window (WDialog * h, const WRect * r, const vfs_path_t * f, long fline); WEdit *edit_find_editor (const WDialog * h); gboolean edit_widget_is_editor (const Widget * w); gboolean edit_drop_hotkey_menu (WDialog * h, int key); void edit_menu_cmd (WDialog * h); void user_menu (WEdit * edit, const char *menu_file, int selected_entry); void edit_init_menu (WMenuBar * menubar); void edit_save_mode_cmd (void); off_t edit_move_forward3 (const WEdit * edit, off_t current, long cols, off_t upto); void edit_scroll_screen_over_cursor (WEdit * edit); void edit_render_keypress (WEdit * edit); void edit_scroll_upward (WEdit * edit, long i); void edit_scroll_downward (WEdit * edit, long i); void edit_scroll_right (WEdit * edit, long i); void edit_scroll_left (WEdit * edit, long i); void edit_move_up (WEdit * edit, long i, gboolean do_scroll); void edit_move_down (WEdit * edit, long i, gboolean do_scroll); void edit_move_to_prev_col (WEdit * edit, off_t p); long edit_get_col (const WEdit * edit); void edit_update_curs_row (WEdit * edit); void edit_update_curs_col (WEdit * edit); void edit_find_bracket (WEdit * edit); gboolean edit_reload_line (WEdit * edit, const vfs_path_t * filename_vpath, long line); void edit_set_codeset (WEdit * edit); 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); int edit_delete (WEdit * edit, gboolean byte_delete); int edit_backspace (WEdit * edit, gboolean byte_delete); void edit_insert (WEdit * edit, int c); void edit_insert_over (WEdit * edit); void edit_cursor_move (WEdit * edit, off_t increment); void edit_push_undo_action (WEdit * edit, long c); void edit_push_redo_action (WEdit * edit, long c); void edit_push_key_press (WEdit * edit); void edit_insert_ahead (WEdit * edit, int c); off_t edit_write_stream (WEdit * edit, FILE * f); char *edit_get_write_filter (const vfs_path_t * write_name_vpath, const vfs_path_t * filename_vpath); gboolean edit_save_confirm_cmd (WEdit * edit); gboolean edit_save_as_cmd (WEdit * edit); WEdit *edit_init (WEdit * edit, const WRect * r, const vfs_path_t * filename_vpath, long line); gboolean edit_clean (WEdit * edit); gboolean edit_ok_to_exit (WEdit * edit); gboolean edit_load_cmd (WDialog * h); gboolean edit_load_file_from_filename (WDialog * h, const vfs_path_t * vpath, long line); gboolean edit_load_file_from_history (WDialog * h); gboolean edit_load_syntax_file (WDialog * h); gboolean edit_load_menu_file (WDialog * h); gboolean edit_close_cmd (WEdit * edit); void edit_mark_cmd (WEdit * edit, gboolean unmark); void edit_mark_current_word_cmd (WEdit * edit); void edit_mark_current_line_cmd (WEdit * edit); void edit_set_markers (WEdit * edit, off_t m1, off_t m2, long c1, long c2); void edit_push_markers (WEdit * edit); gboolean edit_save_block (WEdit * edit, const char *filename, off_t start, off_t finish); gboolean edit_save_block_cmd (WEdit * edit); gboolean edit_insert_file_cmd (WEdit * edit); off_t edit_insert_file (WEdit * edit, const vfs_path_t * filename_vpath); gboolean edit_load_back_cmd (WEdit * edit); gboolean edit_load_forward_cmd (WEdit * edit); void edit_block_process_cmd (WEdit * edit, int macro_number); void edit_refresh_cmd (void); void edit_syntax_onoff_cmd (WDialog * h); void edit_show_tabs_tws_cmd (WDialog * h); void edit_show_margin_cmd (WDialog * h); void edit_show_numbers_cmd (WDialog * h); void edit_date_cmd (WEdit * edit); void edit_goto_cmd (WEdit * edit); gboolean eval_marks (WEdit * edit, off_t * start_mark, off_t * end_mark); void edit_status (WEdit * edit, gboolean active); void edit_execute_key_command (WEdit * edit, long command, int char_for_insertion); void edit_update_screen (WEdit * edit); void edit_save_size (WEdit * edit); gboolean edit_handle_move_resize (WEdit * edit, long command); void edit_toggle_fullscreen (WEdit * edit); 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); gboolean edit_copy_to_X_buf_cmd (WEdit * edit); gboolean edit_cut_to_X_buf_cmd (WEdit * edit); gboolean edit_paste_from_X_buf_cmd (WEdit * edit); void edit_select_codepage_cmd (WEdit * edit); void edit_insert_literal_cmd (WEdit * edit); void edit_paste_from_history (WEdit * edit); void edit_set_filename (WEdit * edit, const vfs_path_t * name_vpath); void edit_load_syntax (WEdit * edit, GPtrArray * pnames, const char *type); void edit_free_syntax_rules (WEdit * edit); int edit_get_syntax_color (WEdit * edit, off_t byte_index); void edit_syntax_dialog (WEdit * edit); void book_mark_insert (WEdit * edit, long line, int c); gboolean book_mark_query_color (WEdit * edit, long line, int c); struct edit_book_mark_t *book_mark_find (WEdit * edit, long line); gboolean book_mark_clear (WEdit * edit, long line, int c); void book_mark_flush (WEdit * edit, int c); void book_mark_inc (WEdit * edit, long line); void book_mark_dec (WEdit * edit, long line); void book_mark_serialize (WEdit * edit, int color); void book_mark_restore (WEdit * edit, int color); gboolean edit_line_is_blank (WEdit * edit, long line); gboolean is_break_char (char c); void edit_options_dialog (WDialog * h); void edit_mail_dialog (WEdit * edit); void format_paragraph (WEdit * edit, gboolean force); /* either command or char_for_insertion must be passed as -1 */ void edit_execute_cmd (WEdit * edit, long command, int char_for_insertion); int editcmd_dialog_raw_key_query (const char *heading, const char *query, gboolean cancel); /*** inline functions ****************************************************************************/ /** * Load a new file into the editor. If it fails, preserve the old file. * To do it, allocate a new widget, initialize it and, if the new file * was loaded, copy the data to the old widget. * * @return TRUE on success, FALSE on failure. */ static inline gboolean edit_reload (WEdit * edit, const vfs_path_t * filename_vpath) { return edit_reload_line (edit, filename_vpath, 0); } #endif /* MC__EDIT_IMPL_H */