textsw_impl.h

操作系统SunOS 4.1.3版本的源码

/*	@(#)textsw_impl.h 1.1 92/07/30 SMI	*/

/*
 * Copyright (c) 1986,1987 by Sun Microsystems, Inc.
 */

#ifndef textsw_impl_DEFINED
#define textsw_impl_DEFINED
/*
 * Internal structures for textsw implementation.
 */

#				ifndef timerclear
#include <sys/time.h>
#				endif
#				ifndef NOTIFY_DEFINED
#include <sunwindow/notify.h>
#				endif
#				ifndef scrollbar_DEFINED
#include <suntool/scrollbar.h>
#				endif
#				ifndef help_DEFINED
#include <suntool/help.h>
#				endif
#				ifndef suntool_entity_view_DEFINED
#include "entity_view.h"
#				endif
#				ifndef suntool_selection_svc_DEFINED
#include <suntool/selection_svc.h>
#				endif
#				ifndef suntool_selection_attributes_DEFINED
#include <suntool/selection_attributes.h>
#				endif
#				ifndef suntool_textsw_DEFINED
#include <suntool/textsw.h>
#				endif

/* Although not needed to support types used in this header file, the
 * following are needed to support macros defined here.
 */
#				ifndef sunwindow_win_input_DEFINED
#include <sunwindow/win_input.h>
#  				endif	
 

#ifndef	NULL
#define	NULL	0
#endif

#define TXTSW_DO_AGAIN(_textsw)	\
	((_textsw->again_count != 0) && \
	 ((_textsw->state & TXTSW_NO_AGAIN_RECORDING) == 0))
#define TXTSW_DO_UNDO(_textsw)	(_textsw->undo_count != 0)

typedef struct textsw_string {
	int	max_length;
	char	*base;
	char	*free;
} string_t;
pkg_private string_t	null_string;
#define TXTSW_STRING_IS_NULL(ptr_to_string_t)				\
	((ptr_to_string_t)->base == null_string.base)
#define TXTSW_STRING_BASE(ptr_to_string_t)				\
	((ptr_to_string_t)->base)
#define TXTSW_STRING_FREE(ptr_to_string_t)				\
	((ptr_to_string_t)->free)
#define TXTSW_STRING_LENGTH(ptr_to_string_t)				\
	(TXTSW_STRING_FREE(ptr_to_string_t)-TXTSW_STRING_BASE(ptr_to_string_t))

typedef struct key_map_object {
	struct key_map_object	*next;
	short			 event_code;
	short unsigned		 type;
	short			 shifts;
	caddr_t			 maps_to;
} Key_map_object;
typedef Key_map_object	*Key_map_handle;
#define	TXTSW_KEY_FILTER	0
	/* maps_to is argv => char[][] */
#define	TXTSW_KEY_SMART_FILTER	1
	/* maps_to is argv => char[][] */
#define	TXTSW_KEY_MACRO		2
	/* maps_to is again script => string_t */
#define	TXTSW_KEY_NULL		32767


typedef struct textsw_selection_object {
	long unsigned		  type;
	Es_index		  first, last_plus_one;
	char			 *buf;
	int			  buf_len, buf_max_len;
	int			  buf_is_dynamic;
	Seln_result		(*per_buffer)();
	char			 *per_buffer_context;
} Textsw_selection_object;
/*	type includes modes, etc (contains return from textsw_func_selection,
 *	  see below)
 *	first == last_plus_one == ES_INFINITY when object is initialized.
 *	per_buffer == NULL when object is initialized, and should be set iff
 *	  long non-local selections are to be processed.  In this case, the
 *	  per_buffer_context slot is available to store the current program
 *	  context to the per_buffer routine.
 */
typedef Textsw_selection_object	*Textsw_selection_handle;
	/* Flags for textsw_func_selection */
#define	TFS_FILL_IF_OTHER	1
#define	TFS_FILL_IF_SELF	2
#define	TFS_FILL_ALWAYS		(TFS_FILL_IF_OTHER|TFS_FILL_IF_SELF)
	/* Return values for textsw_func_selection */
#define	TFS_ERROR		 EV_SEL_CLIENT_FLAG(0x4000)
#define	TFS_IS_ERROR(arg)	(arg & TFS_ERROR)
#define	TFS_SELN_SVC_ERROR	(TFS_ERROR|1)
#define	TFS_WARNING		 EV_SEL_CLIENT_FLAG(0x8000)
#define	TFS_IS_WARNING(arg)	(arg & TFS_WARNING)
#define	TFS_BAD_ATTR_WARNING	(EV_SEL_CLIENT_FLAG(0x0100)|TFS_WARNING)
#define	TFS_IS_OTHER		 EV_SEL_CLIENT_FLAG(0x0001)
#define	TFS_IS_SELF		 EV_SEL_CLIENT_FLAG(0x0002)

typedef struct textsw_view_object {
	long unsigned			  magic;
	struct textsw_object		 *folio;
	struct textsw_view_object	 *next;
	int				  window_fd;
	Rect				  rect;
	Ev_handle			  e_view;
	Scrollbar			  scrollbar;
	long unsigned			  state;
} Textsw_view_object;
typedef Textsw_view_object *Textsw_view;
#define	TEXTSW_VIEW_NULL	((Textsw_view)0)
#define	TEXTSW_VIEW_MAGIC	0xF0110A0A

#define PIXWIN_FOR_VIEW(_view)		((_view)->e_view->pw)
#define WIN_FD_FOR_VIEW(_view)		((_view)->window_fd)
#define SCROLLBAR_FOR_VIEW(_view)	((_view)->scrollbar)
#define RECT_FOR_VIEW(_view)		(&(_view)->rect)

	/* Bit flags for Textsw_view->state */
/* For textsw_do_input() */
#define TXTSW_DONT_UPDATE_SCROLLBAR		0x00000000
#define TXTSW_UPDATE_SCROLLBAR			0x00000001
#define TXTSW_UPDATE_SCROLLBAR_IF_NEEDED	0x00000002
	
#define TXTSW_DONT_REDISPLAY		0x10000000
#define TXTSW_VIEW_DISPLAYED		0x40000000	
#define TXTSW_VIEW_DYING		0x80000000



#define	TEXTSW_MAGIC		0xF2205050
#define TXTSW_UI_BUFLEN	12
typedef struct textsw_object {
	long unsigned	  magic;
	struct textsw_object
			 *next;
	Textsw_view	  first_view;
	caddr_t		  tool;		/* Actually a (struct tool *) */
	caddr_t		  menu;
	Ev_chain	  views;
	Es_handle	(*es_create)();
	int		(*notify)();
	unsigned	  notify_level;
	char		  to_insert[TXTSW_UI_BUFLEN];
	char		 *to_insert_next_free;
	unsigned	  to_insert_counter;
	Es_handle	  trash;	/* Stuff deleted from piece_source */
	long unsigned	  state,
			  func_state;
	short unsigned	  caret_state,
			  holder_state,
			  track_state;
	int		  multi_click_space,
			  multi_click_timeout;
	Textsw_enum	  insert_makes_visible;
	unsigned	  span_level;
	struct timeval	  last_ie_time,
			  last_adjust,
			  last_point,
			  selection_died,
			  timer;
	short		  last_click_x,
			  last_click_y;
	Es_index	  adjust_pivot;	/* Valid iff TXTSW_TRACK_ADJUST */
	Ev_mark_object	  read_only_boundary;
	Ev_mark_object	  save_insert;	/* Valid iff TXTSW_GET/PUTTING	*/
	unsigned	  again_count;
	unsigned	  undo_count;
	string_t	 *again;
	Es_index	  again_first, again_last_plus_one;
	int		  again_insert_length; /* Offset from again[0]->base */
	caddr_t		 *undo;
	Seln_client	  selection_client;
	Seln_function_buffer
			  selection_func;
	Seln_holder	 *selection_holder;
	short		  func_x,
			  func_y;
	Textsw_view	  func_view;
	Key_map_handle	  key_maps;
	int		  owed_by_filter;
	unsigned	  es_mem_maximum;
	unsigned	  ignore_limit;
	char		  edit_bk_char,
			  edit_bk_word,
			  edit_bk_line;
	caddr_t		  client_data;
	caddr_t		  help_data;
	caddr_t		  menu_table;
	
	int		  checkpoint_frequency;
	int		  checkpoint_number;
	char		 *checkpoint_name;
	Textsw_view	  coalesce_with;
	Window		  search_frame;
	Window            match_frame;
	unsigned	  event_code;
	int		  pending_event_count;
	Event		  pending_events[2];	
	char		 *temp_filename; /* For cmdsw */
} Text_object;
typedef Text_object *	Textsw_folio;
#define	TEXTSW_FOLIO_NULL	((Textsw_folio)0)

#ifdef DEBUG
pkg_private Textsw_folio	textsw_folio_for_view();
pkg_private Textsw_view		textsw_view_abs_to_rep();
pkg_private Textsw		textsw_view_rep_to_abs();
#define	FOLIO_FOR_VIEW(_view)		textsw_folio_for_view(_view)
#define	VIEW_ABS_TO_REP(_public)	textsw_view_abs_to_rep(_public)
#define	VIEW_REP_TO_ABS(_private)	textsw_view_rep_to_abs(_private)
#else
#define	FOLIO_FOR_VIEW(_view)		((_view)->folio)
#define	VIEW_ABS_TO_REP(_public)	((Textsw_view)_public)
#define	VIEW_REP_TO_ABS(_private)	((Textsw)_private)
#endif

#define	IS_FOLIO(_folio)		((_folio)->magic == TEXTSW_MAGIC)
#define	IS_VIEW(_view)			((_view)->magic == TEXTSW_VIEW_MAGIC)
#define	VALIDATE_FOLIO(_folio)		ASSERT(IS_FOLIO(_folio))
#define	VALIDATE_VIEW(_view)		ASSERT(IS_VIEW(_view))

#ifdef lint
#define	VIEW_FROM_FOLIO_OR_VIEW(_folio_or_view)	\
	(Textsw_view)(_folio_or_view ? 0 : 0)
#define	TOOL_FROM_FOLIO(_folio)	\
	(Tool *)((_folio)->tool ? 0 : 0)
#define	WINDOW_FROM_VIEW(_view)	\
	(Window)((_view) ? 0 : 0)
#else
#define	VIEW_FROM_FOLIO_OR_VIEW(_folio_or_view)				\
	(IS_VIEW((Textsw_view)_folio_or_view)				\
	 ? (Textsw_view)_folio_or_view					\
	 : ((Textsw_folio)_folio_or_view)->first_view)
#define	TOOL_FROM_FOLIO(_folio)	\
	(Tool *)((_folio)->tool)
#define	WINDOW_FROM_VIEW(_view)	\
	(Window)(_view)
#endif

#define	FORALL_TEXT_VIEWS(_folio, _view)			\
	for (_view = (_folio)->first_view; (_view); _view = _view->next)

#define	TXTSW_HAS_READ_ONLY_BOUNDARY(folio_formal)	\
	(!EV_MARK_IS_NULL(&folio_formal->read_only_boundary))

	/* Synonyms for input event codes */
	/* Meta A is 225 */
#define TXTSW_ADJUST		MS_MIDDLE
#define TXTSW_MENU		MS_RIGHT
#define TXTSW_POINT		MS_LEFT
#define TXTSW_FIND_FORWARD	ACTION_FIND_FORWARD
#define TXTSW_FIND_BACKWARD	ACTION_FIND_BACKWARD
#define TXTSW_NEXT_FIELD	ACTION_SELECT_FIELD_FORWARD
#define TXTSW_PREV_FIELD	ACTION_SELECT_FIELD_BACKWARD


#define TXTSW_AGAIN		ACTION_AGAIN
#define TXTSW_DELETE		ACTION_CUT
#define TXTSW_REPLACE		ACTION_REPLACE
#define TXTSW_GET		ACTION_PASTE
#define TXTSW_PUT		ACTION_COPY
#define TXTSW_PUT_THEN_GET	ACTION_COPY_THEN_PASTE	       
#define TXTSW_UNDO		ACTION_UNDO

#define TXTSW_LOAD_FILE		033		/* Do not map this */
#define TXTSW_LOAD_FILE_AS_MENU	ACTION_LOAD
#define TXTSW_STORE_FILE	ACTION_STORE

#define TXTSW_PROPS		ACTION_PROPS
#define TXTSW_REDO		ACTION_REDO
#define TXTSW_STOP		ACTION_STOP
#define TXTSW_TOP		ACTION_FRONT
#define TXTSW_BOTTOM	ACTION_BACK
#define TXTSW_OPEN		ACTION_OPEN
#define TXTSW_DO_IT		ACTION_DO_IT
#define TXTSW_HELP		ACTION_HELP
#define TXTSW_MATCH_DELIMITER	ACTION_MATCH_DELIMITER

#define TXTSW_EMPTY_DOCUMENT	ACTION_EMPTY
#define TXTSW_INCLUDE_FILE	ACTION_INSERT


#ifdef VT_100_HACK
#else
#define TXTSW_CAPS_LOCK			ACTION_CAPS_LOCK
#endif

#define TXTSW_MOVE_LEFT			ACTION_GO_CHAR_BACKWARD
#define TXTSW_MOVE_RIGHT		ACTION_GO_CHAR_FORWARD
#define TXTSW_MOVE_UP			ACTION_GO_COLUMN_BACKWARD
#define TXTSW_MOVE_DOWN			ACTION_GO_COLUMN_FORWARD
#define TXTSW_MOVE_WORD_END		ACTION_GO_WORD_END
#define TXTSW_MOVE_WORD_FORWARD		ACTION_GO_WORD_FORWARD
#define TXTSW_MOVE_WORD_BACKWARD	ACTION_GO_WORD_BACKWARD
#define TXTSW_MOVE_TO_LINE_END		ACTION_GO_LINE_END
#define TXTSW_MOVE_TO_LINE_START	ACTION_GO_LINE_BACKWARD 
#define TXTSW_MOVE_TO_NEXT_LINE_START	ACTION_GO_LINE_FORWARD
#define TXTSW_MOVE_TO_DOC_START		ACTION_GO_DOCUMENT_START
#define TXTSW_MOVE_TO_DOC_END		ACTION_GO_DOCUMENT_END

#define TXTSW_ERASE_CHAR_BACKWARD	ACTION_ERASE_CHAR_BACKWARD
#define TXTSW_ERASE_CHAR_FORWARD	ACTION_ERASE_CHAR_FORWARD
#define TXTSW_ERASE_WORD_BACKWARD	ACTION_ERASE_WORD_BACKWARD
#define TXTSW_ERASE_WORD_FORWARD	ACTION_ERASE_WORD_FORWARD
#define TXTSW_ERASE_LINE_BACKWARD	ACTION_ERASE_LINE_BACKWARD
#define TXTSW_ERASE_LINE_END		ACTION_ERASE_LINE_END



	/* Bit flags for Textsw_handle->state */
#define TXTSW_AGAIN_HAS_FIND	0x00000001
#define TXTSW_AGAIN_HAS_MATCH   0x00000002
#define TXTSW_ADJUST_IS_PD	0x00000010
#define TXTSW_AUTO_INDENT	0x00000020
#define TXTSW_CONFIRM_OVERWRITE	0x00000040
#define TXTSW_CONTINUOUS_BUBBLE	0x00000080
#define TXTSW_NO_CD		0x00000100
#define TXTSW_NO_LOAD		0x00000200
#define TXTSW_LOAD_CAN_CD	0x00000400
#define TXTSW_STORE_CHANGES_FILE		\
				0x00000800
#define TXTSW_READ_ONLY_ESH	0x00001000
#define TXTSW_READ_ONLY_SW	0x00002000
#define TXTSW_STORE_SELF_IS_SAVE		\
				0x00004000
#define TXTSW_RETAINED		0x00008000
#define TXTSW_CAPS_LOCK_ON	0x00010000
#define TXTSW_DISPLAYED		0x00020000
#define TXTSW_EDITED		0x00040000
#define TXTSW_INITIALIZED	0x00080000
#define TXTSW_IN_NOTIFY_PROC	0x00100000
#define TXTSW_DOING_EVENT	0x00200000
#define TXTSW_NO_RESET_TO_SCRATCH		\
				0x00400000
#define TXTSW_NO_AGAIN_RECORDING		\
				0x00800000
#define TXTSW_HAS_FOCUS		0x01000000
#define TXTSW_OPENED_FONT	0x02000000
#define TXTSW_PENDING_DELETE	0x04000000
#define TXTSW_DESTROY_ALL_VIEWS	0x08000000
#define TXTSW_CONTROL_DOWN	0x10000000
#define TXTSW_SHIFT_DOWN	0x20000000
#define TXTSW_DELAY_SEL_INQUIRE	0x40000000