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Diffstat (limited to 'src/editor/edit-impl.h')
| -rw-r--r-- | src/editor/edit-impl.h | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/src/editor/edit-impl.h b/src/editor/edit-impl.h new file mode 100644 index 0000000..e1eba6e --- /dev/null +++ b/src/editor/edit-impl.h @@ -0,0 +1,278 @@ +/* + 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 <stdio.h> + +#include "lib/search.h" /* mc_search_type_t */ +#include "lib/widget.h" /* cb_ret_t */ +#include "lib/vfs/vfs.h" /* vfs_path_t */ + +#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 option_line_state_width; + +extern int option_max_undo; +extern gboolean option_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 *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 */ |