rxvt-unicode/src/rxvtlib.h.in

#ifndef _RXVTLIB_H_             /* include once only */
#define _RXVTLIB_H_

#include <cstdio>
#include <cctype>
#include <cerrno>
@include_stdarg_h@
@include_stdlib_h@
@include_stdint_h@
#include <sys/types.h>
@include_unistd_h@
@include_string_h@
@include_fcntl_h@
@include_util_h@
@include_assert_h@
@include_sys_ioctl_h@
@include_sys_time_h@
@include_time_h@
@include_sys_select_h@
@include_sys_strredir_h@

#include <sys/wait.h>
#include <sys/stat.h>

#if HAVE_CWCHAR
# include <cwchar>
#elif HAVE_WCHAR_H
# include <wchar.h>
#else
// stdlib.h might provide it
#endif

#include "ptytty.h"

extern "C" {
#include <X11/Intrinsic.h>      /* Xlib, Xutil, Xresource, Xfuncproto */
}

/*
 * If we haven't pulled in typedef's like  int16_t  then do them ourself
 * type of (normal and unsigned) basic sizes
 */
@rxvt_int16_typedef@
@rxvt_uint16_typedef@
@rxvt_int32_typedef@
@rxvt_uint32_typedef@

/* whatever normal size corresponds to a integer pointer */
@rxvt_intp_define@
/* whatever normal size corresponds to a unsigned integer pointer */
@rxvt_u_intp_define@

struct rxvt_fontset;
struct rxvt_color;
struct rxvt_vars;               /* defined later on */
struct rxvt_term;
struct rxvt_display;
struct rxvt_im;
struct rxvt_drawable;

typedef struct rxvt_term *rxvt_t;

extern rxvt_t rxvt_current_term;

#define SET_R(r) rxvt_current_term = (r)
#define GET_R rxvt_current_term

#define scrollbar_visible()    scrollBar.state
#define menubar_visible()      menuBar.state

typedef struct {
  int row;
  int col;
} row_col_t;

#if UNICODE_3
typedef uint32_t text_t;
#else
typedef uint16_t text_t; // saves lots of memory
#endif
typedef uint32_t rend_t;
typedef int16_t  tlen_t;

#define LINE_CONT -1

struct line_t {
   text_t *t; // terminal the text
   rend_t *r; // rendition, uses RS_ flags
   tlen_t l;  // length of each text line, LINE_CONT == continued on next line

   bool is_longer ()
   {
     return l < 0;
   }

   void set_is_longer ()
   {
     l = LINE_CONT;
   }

   void clear ()
   {
     t = 0;
     r = 0;
     l = 0;
   }
};

/*
 * TermWin elements limits
 *  width     : 1 <= width
 *  height    : 1 <= height
 *  ncol      : 1 <= ncol       <= MAX(int16_t)
 *  nrow      : 1 <= nrow       <= MAX(int16_t)
 *  saveLines : 0 <= saveLines  <= MAX(int16_t)
 *  nlines    : nrow + saveLines
 *  nsaved    : 0 <= nsaved  <= saveLines
 *  term_start: 0 <= term_start < saveLines
 *  view_start: 0 <= view_start < saveLines
 */

struct TermWin_t {
  int            width;         /* window width                    [pixels] */
  int            height;        /* window height                   [pixels] */
  int            fwidth;        /* font width                      [pixels] */
  int            fheight;       /* font height                     [pixels] */
  int            fweight, fslant;
  int            fbase;         /* font ascent (baseline)          [pixels] */
  int            ncol;          /* window columns              [characters] */
  int            nrow;          /* window rows                 [characters] */
  int            focus;         /* window has focus                         */
  int            mapped;        /* window state mapped?                     */
  int            int_bwidth;    /* internal border width                    */
  int            ext_bwidth;    /* external border width                    */
  int            lineSpace;     /* number of extra pixels between rows      */
  int            saveLines;     /* number of lines that fit in scrollback   */
  int            total_rows;    /* total number of rows in this terminal    */
  int            nsaved;        /* number of rows saved to scrollback       */
  int            term_start;    /* term lines start here                    */
  int            view_start;    /* scrollback view starts here              */
  Window         parent[6];     /* parent identifiers - we're parent[0]     */
  Window         vt;            /* vt100 window                             */
  GC             gc;            /* GC for drawing                           */
  Pixmap         pixmap;
  rxvt_drawable *drawable;
  rxvt_fontset  *fontset[4];
};

/*
 * screen accounting:
 * screen_t elements
 *   text:      Contains all text information including the scrollback buffer.
 *              Each line is length ncol
 *   tlen:      The length of the line or -1 for wrapped lines.
 *   rend:      Contains rendition information: font, bold, colour, etc.
 * * Note: Each line for both text and rend are only allocated on demand, and
 *         text[x] is allocated <=> rend[x] is allocated  for all x.
 *   row:       Cursor row position                   : 0 <= row < nrow
 *   col:       Cursor column position                : 0 <= col < ncol
 *   tscroll:   Scrolling region top row inclusive    : 0 <= row < nrow
 *   bscroll:   Scrolling region bottom row inclusive : 0 <= row < nrow
 *
 * selection_t elements
 *   clicks:    1, 2 or 3 clicks - 4 indicates a special condition of 1 where
 *              nothing is selected
 *   beg:       row/column of beginning of selection  : never past mark
 *   mark:      row/column of initial click           : never past end
 *   end:       row/column of one character past end of selection
 * * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow
 * * Note: col == -1 ==> we're left of screen
 *
 * Layout of text/rend information in the screen_t text/rend structures:
 *   Rows [0] ... [saveLines - 1]
 *     scrollback region : we're only here if view_start != 0
 *   Rows [saveLines] ... [saveLines + nrow - 1]
 *     normal `unsaved' screen region
 */
typedef struct {
  line_t        **line;

  row_col_t       cur;  /* cursor position on the screen             */
  unsigned int    tscroll;      /* top of settable scroll region             */
  unsigned int    bscroll;      /* bottom of settable scroll region          */
  unsigned int    charset;      /* character set number [0..3]               */
  unsigned int    flags;        /* see below                                 */
  row_col_t       s_cur;        /* saved cursor position                     */
  unsigned int    s_charset;    /* saved character set number [0..3]         */
  char            s_charset_char;
  rend_t          s_rstyle;     /* saved rendition style                     */
} screen_t;

enum selection_op_t {
  SELECTION_CLEAR = 0,  /* nothing selected                          */
  SELECTION_INIT,       /* marked a point                            */
  SELECTION_BEGIN,      /* started a selection                       */
  SELECTION_CONT,       /* continued selection                       */
  SELECTION_DONE        /* selection put in CUT_BUFFER0              */
};

typedef struct {
  wchar_t          *text;       /* selected text                             */
  unsigned int      len;        /* length of selected text                   */
  unsigned int      screen;     /* screen being used                         */
  unsigned int      clicks;     /* number of clicks                          */
  selection_op_t    op;         /* current operation                         */
  bool              rect;       /* rectangluar selection?                    */
  row_col_t         beg;        /* beginning of selection   <= mark          */
  row_col_t         mark;       /* point of initial click   <= end           */
  row_col_t         end;        /* one character past end point              */
} selection_t;

/* ------------------------------------------------------------------------- */

/* screen_t flags */
#define Screen_Relative          (1<<0)  /* relative origin mode flag         */
#define Screen_VisibleCursor     (1<<1)  /* cursor visible?                   */
#define Screen_Autowrap          (1<<2)  /* auto-wrap flag                    */
#define Screen_Insert            (1<<3)  /* insert mode (vs. overstrike)      */
#define Screen_WrapNext          (1<<4)  /* need to wrap for next char?       */
#define Screen_DefaultFlags      (Screen_VisibleCursor | Screen_Autowrap)

/* rxvt_vars.options */
#define Opt_console              (1UL<<0)
#define Opt_loginShell           (1UL<<1)
#define Opt_iconic               (1UL<<2)
#define Opt_visualBell           (1UL<<3)
#define Opt_mapAlert             (1UL<<4)
#define Opt_reverseVideo         (1UL<<5)
#define Opt_utmpInhibit          (1UL<<6)
#define Opt_scrollBar            (1UL<<7)
#define Opt_scrollBar_right      (1UL<<8)
#define Opt_scrollBar_floating   (1UL<<9)
#define Opt_meta8                (1UL<<10)
#define Opt_scrollTtyOutput      (1UL<<11)
#define Opt_scrollTtyKeypress    (1UL<<12)
#define Opt_transparent          (1UL<<13)
#define Opt_tripleclickwords     (1UL<<14)
#define Opt_scrollWithBuffer     (1UL<<15)
#define Opt_jumpScroll           (1UL<<16)
#define Opt_mouseWheelScrollPage (1UL<<17)
#define Opt_pointerBlank         (1UL<<18)
#define Opt_cursorBlink          (1UL<<19)
#define Opt_secondaryScreen      (1UL<<20)
#define Opt_secondaryScroll      (1UL<<21)
#define Opt_pastableTabs         (1UL<<22)
#define Opt_cursorUnderline      (1UL<<23)
#if ENABLE_FRILLS
# define Opt_insecure            (1UL<<24) // insecure esc sequences
# define Opt_borderLess          (1UL<<25) // mem borderless hints
#else
# define Opt_insecure            0
# define Opt_borderLess          0
#endif
/* place holder used for parsing command-line options */
#define Opt_Reverse              (1UL<<30)
#define Opt_Boolean              (1UL<<31)

#define DEFAULT_OPTIONS          (Opt_scrollBar | Opt_scrollTtyOutput \
                                  | Opt_jumpScroll | Opt_secondaryScreen \
                                  | Opt_pastableTabs)

/* ------------------------------------------------------------------------- */

typedef struct {
  short           state;
  Window          win;
  struct rxvt_drawable *drawable;
} menuBar_t;

typedef struct {
  char            state;        /* scrollbar state                          */
  char            init;         /* scrollbar has been initialised           */
  unsigned int    beg;          /* slider sub-window begin height           */
  unsigned int    end;          /* slider sub-window end height             */
  unsigned int    top;          /* slider top position                      */
  unsigned int    bot;          /* slider bottom position                   */
  unsigned int    style;        /* style: rxvt, xterm, next                 */
  unsigned int    width;        /* scrollbar width                          */
  Window          win;
  int             (rxvt_term::*update)(int, int, int, int);

  void setIdle()   { state =  1 ; }
  void setMotion() { state = 'm'; }
  void setUp()     { state = 'U'; }
  void setDn()     { state = 'D'; }
} scrollBar_t;

struct rxvt_vars : TermWin_t {
  scrollBar_t     scrollBar;
  menuBar_t       menuBar;
  unsigned long   options;
  XSizeHints      szHint;
  rxvt_display   *display;
  rxvt_color     *pix_colors;
  rxvt_color     *pix_colors_focused;
#ifdef OFF_FOCUS_FADING
  rxvt_color     *pix_colors_unfocused;
#endif
  short           numpix_colors;
  Cursor          TermWin_cursor;       /* cursor for vt window */
  int             sb_shadow;    /* scrollbar shadow width                    */
  rxvt_ptytty     pty;
  int             numlock_state;
  line_t         *save;         // all lines, scorllback + terminal, circular
  line_t         *drawn;        // text on screen
  line_t         *buf;          // temporary buffer
  line_t         *swap_save;    // lines for swap buffer
  char           *tabs;         /* per location: 1 == tab-stop               */
  screen_t        screen;
  screen_t        swap;
  selection_t     selection;
};

void rxvt_init ();

#endif                          /* _RXVTLIB_H_ */

Revision:	1.51
Committed:	Tue Dec 20 19:30:59 2005 UTC (18 years, 5 months ago) by root
Branch:	MAIN
Changes since 1.50:	+6 -5 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	pcg	1.3	#ifndef _RXVTLIB_H_ /* include once only */
2	pcg	1.1	#define _RXVTLIB_H_
3
4	pcg	1.16	#include <cstdio>
5			#include <cctype>
6			#include <cerrno>
7	pcg	1.1	@include_stdarg_h@
8			@include_stdlib_h@
9			@include_stdint_h@
10			#include <sys/types.h>
11			@include_unistd_h@
12			@include_string_h@
13			@include_fcntl_h@
14			@include_util_h@
15			@include_assert_h@
16			@include_sys_ioctl_h@
17			@include_sys_time_h@
18			@include_time_h@
19			@include_sys_select_h@
20			@include_sys_strredir_h@
21
22			#include <sys/wait.h>
23			#include <sys/stat.h>
24
25	root	1.44	#if HAVE_CWCHAR
26			# include <cwchar>
27	root	1.45	#elif HAVE_WCHAR_H
28	root	1.44	# include <wchar.h>
29			#else
30			// stdlib.h might provide it
31			#endif
32	pcg	1.16
33	root	1.32	#include "ptytty.h"
34
35	pcg	1.1	extern "C" {
36	pcg	1.3	#include <X11/Intrinsic.h> /* Xlib, Xutil, Xresource, Xfuncproto */
37	pcg	1.1	}
38
39			/*
40			* If we haven't pulled in typedef's like int16_t then do them ourself
41			* type of (normal and unsigned) basic sizes
42			*/
43			@rxvt_int16_typedef@
44			@rxvt_uint16_typedef@
45			@rxvt_int32_typedef@
46			@rxvt_uint32_typedef@
47
48			/* whatever normal size corresponds to a integer pointer */
49			@rxvt_intp_define@
50			/* whatever normal size corresponds to a unsigned integer pointer */
51			@rxvt_u_intp_define@
52
53			struct rxvt_fontset;
54			struct rxvt_color;
55	pcg	1.3	struct rxvt_vars; /* defined later on */
56			struct rxvt_term;
57	pcg	1.11	struct rxvt_display;
58			struct rxvt_im;
59	pcg	1.12	struct rxvt_drawable;
60	pcg	1.1
61	pcg	1.3	typedef struct rxvt_term *rxvt_t;
62
63			extern rxvt_t rxvt_current_term;
64
65	root	1.43	#define SET_R(r) rxvt_current_term = (r)
66			#define GET_R rxvt_current_term
67	pcg	1.1
68	pcg	1.9	#define scrollbar_visible() scrollBar.state
69			#define menubar_visible() menuBar.state
70	pcg	1.1
71			typedef struct {
72	root	1.41	int row;
73			int col;
74	pcg	1.1	} row_col_t;
75
76	pcg	1.16	#if UNICODE_3
77	pcg	1.1	typedef uint32_t text_t;
78			#else
79			typedef uint16_t text_t; // saves lots of memory
80			#endif
81			typedef uint32_t rend_t;
82	root	1.49	typedef int16_t tlen_t;
83
84			#define LINE_CONT -1
85
86			struct line_t {
87			text_t *t; // terminal the text
88			rend_t *r; // rendition, uses RS_ flags
89			tlen_t l; // length of each text line, LINE_CONT == continued on next line
90
91	root	1.50	bool is_longer ()
92	root	1.49	{
93			return l < 0;
94			}
95
96	root	1.50	void set_is_longer ()
97			{
98			l = LINE_CONT;
99			}
100
101	root	1.49	void clear ()
102			{
103			t = 0;
104			r = 0;
105			l = 0;
106			}
107			};
108	pcg	1.1
109			/*
110			* TermWin elements limits
111			* width : 1 <= width
112			* height : 1 <= height
113			* ncol : 1 <= ncol <= MAX(int16_t)
114			* nrow : 1 <= nrow <= MAX(int16_t)
115			* saveLines : 0 <= saveLines <= MAX(int16_t)
116	root	1.51	* nlines : nrow + saveLines
117			* nsaved : 0 <= nsaved <= saveLines
118	root	1.49	* term_start: 0 <= term_start < saveLines
119			* view_start: 0 <= view_start < saveLines
120	pcg	1.1	*/
121
122	root	1.49	struct TermWin_t {
123	root	1.41	int width; /* window width [pixels] */
124			int height; /* window height [pixels] */
125			int fwidth; /* font width [pixels] */
126			int fheight; /* font height [pixels] */
127			int fweight, fslant;
128			int fbase; /* font ascent (baseline) [pixels] */
129			int ncol; /* window columns [characters] */
130			int nrow; /* window rows [characters] */
131			int focus; /* window has focus */
132			int mapped; /* window state mapped? */
133			int int_bwidth; /* internal border width */
134			int ext_bwidth; /* external border width */
135			int lineSpace; /* number of extra pixels between rows */
136			int saveLines; /* number of lines that fit in scrollback */
137	root	1.51	int total_rows; /* total number of rows in this terminal */
138			int nsaved; /* number of rows saved to scrollback */
139	root	1.49	int term_start; /* term lines start here */
140	root	1.41	int view_start; /* scrollback view starts here */
141	pcg	1.3	Window parent[6]; /* parent identifiers - we're parent[0] */
142			Window vt; /* vt100 window */
143			GC gc; /* GC for drawing */
144			Pixmap pixmap;
145	pcg	1.12	rxvt_drawable *drawable;
146	root	1.38	rxvt_fontset *fontset[4];
147	root	1.49	};
148	pcg	1.1
149			/*
150			* screen accounting:
151			* screen_t elements
152			* text: Contains all text information including the scrollback buffer.
153	root	1.49	* Each line is length ncol
154	pcg	1.1	* tlen: The length of the line or -1 for wrapped lines.
155			* rend: Contains rendition information: font, bold, colour, etc.
156			* * Note: Each line for both text and rend are only allocated on demand, and
157			* text[x] is allocated <=> rend[x] is allocated for all x.
158	root	1.49	* row: Cursor row position : 0 <= row < nrow
159			* col: Cursor column position : 0 <= col < ncol
160			* tscroll: Scrolling region top row inclusive : 0 <= row < nrow
161			* bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
162	pcg	1.1	*
163			* selection_t elements
164			* clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
165			* nothing is selected
166			* beg: row/column of beginning of selection : never past mark
167			* mark: row/column of initial click : never past end
168			* end: row/column of one character past end of selection
169	root	1.51	* * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow
170	pcg	1.1	* * Note: col == -1 ==> we're left of screen
171			*
172			* Layout of text/rend information in the screen_t text/rend structures:
173	root	1.49	* Rows [0] ... [saveLines - 1]
174			* scrollback region : we're only here if view_start != 0
175			* Rows [saveLines] ... [saveLines + nrow - 1]
176	root	1.51	* normal `unsaved' screen region
177	pcg	1.1	*/
178			typedef struct {
179	root	1.49	line_t **line;
180
181	pcg	1.3	row_col_t cur; /* cursor position on the screen */
182	root	1.38	unsigned int tscroll; /* top of settable scroll region */
183			unsigned int bscroll; /* bottom of settable scroll region */
184			unsigned int charset; /* character set number [0..3] */
185	pcg	1.3	unsigned int flags; /* see below */
186			row_col_t s_cur; /* saved cursor position */
187	root	1.38	unsigned int s_charset; /* saved character set number [0..3] */
188	pcg	1.3	char s_charset_char;
189			rend_t s_rstyle; /* saved rendition style */
190	pcg	1.1	} screen_t;
191
192			enum selection_op_t {
193	pcg	1.3	SELECTION_CLEAR = 0, /* nothing selected */
194			SELECTION_INIT, /* marked a point */
195			SELECTION_BEGIN, /* started a selection */
196			SELECTION_CONT, /* continued selection */
197			SELECTION_DONE /* selection put in CUT_BUFFER0 */
198	pcg	1.1	};
199
200			typedef struct {
201	root	1.41	wchar_t text; / selected text */
202			unsigned int len; /* length of selected text */
203			unsigned int screen; /* screen being used */
204			unsigned int clicks; /* number of clicks */
205			selection_op_t op; /* current operation */
206			bool rect; /* rectangluar selection? */
207			row_col_t beg; /* beginning of selection <= mark */
208			row_col_t mark; /* point of initial click <= end */
209			row_col_t end; /* one character past end point */
210	pcg	1.1	} selection_t;
211
212			/* ------------------------------------------------------------------------- */
213
214			/* screen_t flags */
215	root	1.47	#define Screen_Relative (1<<0) /* relative origin mode flag */
216			#define Screen_VisibleCursor (1<<1) /* cursor visible? */
217			#define Screen_Autowrap (1<<2) /* auto-wrap flag */
218			#define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
219			#define Screen_WrapNext (1<<4) /* need to wrap for next char? */
220	root	1.48	#define Screen_DefaultFlags (Screen_VisibleCursor \| Screen_Autowrap)
221	pcg	1.1
222	root	1.32	/* rxvt_vars.options */
223	root	1.47	#define Opt_console (1UL<<0)
224			#define Opt_loginShell (1UL<<1)
225			#define Opt_iconic (1UL<<2)
226			#define Opt_visualBell (1UL<<3)
227			#define Opt_mapAlert (1UL<<4)
228			#define Opt_reverseVideo (1UL<<5)
229			#define Opt_utmpInhibit (1UL<<6)
230			#define Opt_scrollBar (1UL<<7)
231			#define Opt_scrollBar_right (1UL<<8)
232			#define Opt_scrollBar_floating (1UL<<9)
233			#define Opt_meta8 (1UL<<10)
234			#define Opt_scrollTtyOutput (1UL<<11)
235			#define Opt_scrollTtyKeypress (1UL<<12)
236			#define Opt_transparent (1UL<<13)
237			#define Opt_tripleclickwords (1UL<<14)
238			#define Opt_scrollWithBuffer (1UL<<15)
239			#define Opt_jumpScroll (1UL<<16)
240			#define Opt_mouseWheelScrollPage (1UL<<17)
241			#define Opt_pointerBlank (1UL<<18)
242			#define Opt_cursorBlink (1UL<<19)
243			#define Opt_secondaryScreen (1UL<<20)
244			#define Opt_secondaryScroll (1UL<<21)
245			#define Opt_pastableTabs (1UL<<22)
246			#define Opt_cursorUnderline (1UL<<23)
247	root	1.32	#if ENABLE_FRILLS
248	root	1.47	# define Opt_insecure (1UL<<24) // insecure esc sequences
249			# define Opt_borderLess (1UL<<25) // mem borderless hints
250	root	1.32	#else
251	root	1.47	# define Opt_insecure 0
252			# define Opt_borderLess 0
253	pcg	1.20	#endif
254	pcg	1.1	/* place holder used for parsing command-line options */
255	root	1.47	#define Opt_Reverse (1UL<<30)
256			#define Opt_Boolean (1UL<<31)
257	pcg	1.1
258	root	1.47	#define DEFAULT_OPTIONS (Opt_scrollBar \| Opt_scrollTtyOutput \
259			\| Opt_jumpScroll \| Opt_secondaryScreen \
260			\| Opt_pastableTabs)
261	pcg	1.1
262			/* ------------------------------------------------------------------------- */
263
264			typedef struct {
265	pcg	1.3	short state;
266			Window win;
267	pcg	1.13	struct rxvt_drawable *drawable;
268	pcg	1.1	} menuBar_t;
269
270			typedef struct {
271	pcg	1.3	char state; /* scrollbar state */
272			char init; /* scrollbar has been initialised */
273	root	1.38	unsigned int beg; /* slider sub-window begin height */
274			unsigned int end; /* slider sub-window end height */
275			unsigned int top; /* slider top position */
276			unsigned int bot; /* slider bottom position */
277			unsigned int style; /* style: rxvt, xterm, next */
278			unsigned int width; /* scrollbar width */
279	pcg	1.3	Window win;
280	pcg	1.10	int (rxvt_term::*update)(int, int, int, int);
281	pcg	1.7
282			void setIdle() { state = 1 ; }
283			void setMotion() { state = 'm'; }
284			void setUp() { state = 'U'; }
285			void setDn() { state = 'D'; }
286	pcg	1.1	} scrollBar_t;
287
288	root	1.49	struct rxvt_vars : TermWin_t {
289	pcg	1.3	scrollBar_t scrollBar;
290			menuBar_t menuBar;
291	root	1.32	unsigned long options;
292	pcg	1.3	XSizeHints szHint;
293	pcg	1.11	rxvt_display *display;
294	root	1.32	rxvt_color *pix_colors;
295			rxvt_color *pix_colors_focused;
296	root	1.24	#ifdef OFF_FOCUS_FADING
297	root	1.32	rxvt_color *pix_colors_unfocused;
298	root	1.24	#endif
299	root	1.32	short numpix_colors;
300	pcg	1.3	Cursor TermWin_cursor; /* cursor for vt window */
301			int sb_shadow; /* scrollbar shadow width */
302	root	1.32	rxvt_ptytty pty;
303	pcg	1.3	int numlock_state;
304	root	1.49	line_t *save; // all lines, scorllback + terminal, circular
305			line_t *drawn; // text on screen
306			line_t *buf; // temporary buffer
307			line_t *swap_save; // lines for swap buffer
308	pcg	1.3	char tabs; / per location: 1 == tab-stop */
309			screen_t screen;
310			screen_t swap;
311			selection_t selection;
312			};
313	pcg	1.1
314	root	1.32	void rxvt_init ();
315	pcg	1.1
316	pcg	1.3	#endif /* _RXVTLIB_H_ */
317	pcg	1.1