1 /* Copyright (c) 2008, 2009
2 * Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
3 * Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
4 * Micah Cowan (micah@cowan.name)
5 * Sadrul Habib Chowdhury (sadrul@users.sourceforge.net)
6 * Copyright (c) 1993-2002, 2003, 2005, 2006, 2007
7 * Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
8 * Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
9 * Copyright (c) 1987 Oliver Laumann
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 3, or (at your option)
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program (see the file COPYING); if not, see
23 * http://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
24 * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
26 ****************************************************************
29 #include <sys/types.h>
33 # include <sys/ioctl.h>
41 static int CountChars
__P((int));
42 static int DoAddChar
__P((int));
43 static int BlankResize
__P((int, int));
44 static int CallRewrite
__P((int, int, int, int));
45 static void FreeCanvas
__P((struct canvas
*));
46 static void disp_readev_fn
__P((struct event
*, char *));
47 static void disp_writeev_fn
__P((struct event
*, char *));
49 static void disp_writeev_eagain
__P((struct event
*, char *));
51 static void disp_status_fn
__P((struct event
*, char *));
52 static void disp_hstatus_fn
__P((struct event
*, char *));
53 static void disp_blocked_fn
__P((struct event
*, char *));
54 static void cv_winid_fn
__P((struct event
*, char *));
56 static void disp_map_fn
__P((struct event
*, char *));
58 static void disp_idle_fn
__P((struct event
*, char *));
60 static void disp_blanker_fn
__P((struct event
*, char *));
62 static void WriteLP
__P((int, int));
63 static void INSERTCHAR
__P((int));
64 static void RAW_PUTCHAR
__P((int));
66 static void SetBackColor
__P((int));
68 static void FreePerp
__P((struct canvas
*));
69 static struct canvas
*AddPerp
__P((struct canvas
*));
72 extern struct layer
*flayer
;
73 extern struct win
*windows
, *fore
;
74 extern struct LayFuncs WinLf
;
76 extern int use_hardstatus
;
77 extern int MsgWait
, MsgMinWait
;
78 extern int Z0width
, Z1width
;
79 extern unsigned char *blank
, *null
;
80 extern struct mline mline_blank
, mline_null
, mline_old
;
81 extern struct mchar mchar_null
, mchar_blank
, mchar_so
;
82 extern struct NewWindow nwin_default
;
83 extern struct action idleaction
;
85 /* XXX shouldn't be here */
86 extern char *hstatusstring
;
87 extern char *captionstring
;
93 extern int pty_preopen
;
94 #if defined(TIOCSWINSZ) || defined(TIOCGWINSZ)
95 extern struct winsize glwz
;
98 extern int real_uid
, real_gid
;
102 * tputs needs this to calculate the padding
106 #endif /* NEED_OSPEED */
110 struct display
*display
, *displays
;
112 int attr2color
[8][4];
117 struct display TheDisplay
;
123 int defobuflimit
= OBUF_MAX
;
124 int defnonblock
= -1;
129 int hardstatusemu
= HSTATUS_IGNORE
;
131 int focusminwidth
, focusminheight
;
134 * Default layer management
138 DefProcess(bufp
, lenp
)
147 DefRedisplayLine(y
, xs
, xe
, isblank
)
148 int y
, xs
, xe
, isblank
;
150 if (isblank
== 0 && y
>= 0)
151 DefClearLine(y
, xs
, xe
, 0);
155 DefClearLine(y
, xs
, xe
, bce
)
158 LClearLine(flayer
, y
, xs
, xe
, bce
, (struct mline
*)0);
163 DefRewrite(y
, xs
, xe
, rend
, doit
)
181 LAY_DISPLAYS(flayer
, InsertMode(0));
182 /* ChangeScrollRegion(0, D_height - 1); */
183 LKeypadMode(flayer
, 0);
184 LCursorkeysMode(flayer
, 0);
185 LCursorVisibility(flayer
, 0);
186 LMouseMode(flayer
, 0);
187 LSetRendition(flayer
, &mchar_null
);
188 LSetFlow(flayer
, nwin_default
.flowflag
& FLOW_NOW
);
192 * Blank layer management
195 struct LayFuncs BlankLf
=
211 flayer
->l_width
= wi
;
212 flayer
->l_height
= he
;
218 * Generate new display, start with a blank layer.
219 * The termcap arrays are not initialised here.
220 * The new display is placed in the displays list.
224 MakeDisplay(uname
, utty
, term
, fd
, pid
, Mode
)
225 char *uname
, *utty
, *term
;
230 struct baud_values
*b
;
232 if (!*(u
= FindUserPtr(uname
)) && UserAdd(uname
, (char *)0, u
))
233 return 0; /* could not find or add user */
236 if ((display
= (struct display
*)calloc(1, sizeof(*display
))) == 0)
241 bzero((char *)&TheDisplay
, sizeof(TheDisplay
));
242 display
= &TheDisplay
;
244 display
->d_next
= displays
;
247 D_nonblock
= defnonblock
;
249 D_readev
.fd
= D_writeev
.fd
= fd
;
250 D_readev
.type
= EV_READ
;
251 D_writeev
.type
= EV_WRITE
;
252 D_readev
.data
= D_writeev
.data
= (char *)display
;
253 D_readev
.handler
= disp_readev_fn
;
254 D_writeev
.handler
= disp_writeev_fn
;
256 D_writeev
.condpos
= &D_obuflen
;
257 D_writeev
.condneg
= &D_obuffree
;
259 D_statusev
.type
= EV_TIMEOUT
;
260 D_statusev
.data
= (char *)display
;
261 D_statusev
.handler
= disp_status_fn
;
262 D_hstatusev
.type
= EV_TIMEOUT
;
263 D_hstatusev
.data
= (char *)display
;
264 D_hstatusev
.handler
= disp_hstatus_fn
;
265 D_blockedev
.type
= EV_TIMEOUT
;
266 D_blockedev
.data
= (char *)display
;
267 D_blockedev
.handler
= disp_blocked_fn
;
268 D_blockedev
.condpos
= &D_obuffree
;
269 D_blockedev
.condneg
= &D_obuflenmax
;
270 D_hstatusev
.handler
= disp_hstatus_fn
;
272 D_mapev
.type
= EV_TIMEOUT
;
273 D_mapev
.data
= (char *)display
;
274 D_mapev
.handler
= disp_map_fn
;
276 D_idleev
.type
= EV_TIMEOUT
;
277 D_idleev
.data
= (char *)display
;
278 D_idleev
.handler
= disp_idle_fn
;
280 D_blankerev
.type
= EV_READ
;
281 D_blankerev
.data
= (char *)display
;
282 D_blankerev
.handler
= disp_blanker_fn
;
286 D_status_obuffree
= -1;
287 Resize_obuf(); /* Allocate memory for buffer */
288 D_obufmax
= defobuflimit
;
289 D_obuflenmax
= D_obuflen
- D_obufmax
;
291 D_auto_nuke
= defautonuke
;
298 if ((b
= lookup_baud((int)cfgetospeed(&D_OldMode
.tio
))))
302 if ((b
= lookup_baud(D_OldMode
.tio
.c_cflag
& CBAUD
)))
305 D_dospeed
= (short)D_OldMode
.m_ttyb
.sg_ospeed
;
308 debug1("New displays ospeed = %d\n", D_dospeed
);
310 strncpy(D_usertty
, utty
, sizeof(D_usertty
) - 1);
311 D_usertty
[sizeof(D_usertty
) - 1] = 0;
312 strncpy(D_termname
, term
, sizeof(D_termname
) - 1);
313 D_termname
[sizeof(D_termname
) - 1] = 0;
315 D_processinput
= ProcessInput
;
325 struct display
*d
, **dp
;
339 SetTTY(D_userfd
, &D_OldMode
);
340 fcntl(D_userfd
, F_SETFL
, 0);
346 if (D_processinputdata
)
347 free(D_processinputdata
);
348 D_processinputdata
= 0;
373 if (bd
.bd_dpy
== display
)
375 bd
.bd_start_braille
= 0;
381 for (dp
= &displays
; (d
= *dp
) ; dp
= &d
->d_next
)
385 if (D_status_lastmsg
)
386 free(D_status_lastmsg
);
389 *dp
= display
->d_next
;
391 ASSERT(display
== displays
);
392 ASSERT(display
== &TheDisplay
);
396 while (D_canvas
.c_slperp
)
397 FreeCanvas(D_canvas
.c_slperp
);
400 for (p
= windows
; p
; p
= p
->w_next
)
402 if (p
->w_pdisplay
== display
)
404 if (p
->w_lastdisp
== display
)
406 if (p
->w_readev
.condneg
== &D_status
|| p
->w_readev
.condneg
== &D_obuflenmax
)
407 p
->w_readev
.condpos
= p
->w_readev
.condneg
= 0;
410 for (p
= windows
; p
; p
= p
->w_next
)
411 if (p
->w_zdisplay
== display
)
415 broker_inv_obj(display
);
418 free((char *)display
);
427 cv
->c_blank
.l_cvlist
= cv
;
428 cv
->c_blank
.l_width
= cv
->c_xe
- cv
->c_xs
+ 1;
429 cv
->c_blank
.l_height
= cv
->c_ye
- cv
->c_ys
+ 1;
430 cv
->c_blank
.l_x
= cv
->c_blank
.l_y
= 0;
431 cv
->c_blank
.l_layfn
= &BlankLf
;
432 cv
->c_blank
.l_data
= 0;
433 cv
->c_blank
.l_next
= 0;
434 cv
->c_blank
.l_bottom
= &cv
->c_blank
;
435 cv
->c_blank
.l_blocking
= 0;
436 cv
->c_layer
= &cv
->c_blank
;
445 if ((cv
= (struct canvas
*)calloc(1, sizeof *cv
)) == 0)
448 cv
->c_xe
= D_width
- 1;
450 cv
->c_ye
= D_height
- 1 - (D_has_hstatus
== HSTATUS_LASTLINE
) - captionalways
;
451 debug2("MakeDefaultCanvas 0,0 %d,%d\n", cv
->c_xe
, cv
->c_ye
);
455 cv
->c_display
= display
;
461 cv
->c_slback
= &D_canvas
;
462 D_canvas
.c_slperp
= cv
;
463 D_canvas
.c_xs
= cv
->c_xs
;
464 D_canvas
.c_xe
= cv
->c_xe
;
465 D_canvas
.c_ys
= cv
->c_ys
;
466 D_canvas
.c_ye
= cv
->c_ye
;
467 cv
->c_slorient
= SLICE_UNKN
;
468 cv
->c_captev
.type
= EV_TIMEOUT
;
469 cv
->c_captev
.data
= (char *)cv
;
470 cv
->c_captev
.handler
= cv_winid_fn
;
476 RethinkDisplayViewports();
477 D_forecv
= cv
; /* default input focus */
481 static struct canvas
**
482 CreateCanvasChainRec(cv
, cvp
)
486 for (; cv
; cv
= cv
->c_slnext
)
489 cvp
= CreateCanvasChainRec(cv
->c_slperp
, cvp
);
500 RecreateCanvasChain()
503 cvp
= CreateCanvasChainRec(D_canvas
.c_slperp
, &D_cvlist
);
511 struct viewport
*vp
, *nvp
;
516 cv
->c_slprev
->c_slnext
= cv
->c_slnext
;
518 cv
->c_slnext
->c_slprev
= cv
->c_slprev
;
519 if (cv
->c_slback
&& cv
->c_slback
->c_slperp
== cv
)
520 cv
->c_slback
->c_slperp
= cv
->c_slnext
? cv
->c_slnext
: cv
->c_slprev
;
524 FreeCanvas(cv
->c_slperp
);
533 /* remove from canvas chain as SetCanvasWindow might call
534 * some layer function */
535 for (cvp
= &D_cvlist
; *cvp
; cvp
= &(*cvp
)->c_next
)
542 p
= cv
->c_layer
? Layer2Window(cv
->c_layer
) : 0;
543 SetCanvasWindow(cv
, 0);
545 WindowChanged(p
, 'u');
546 if (flayer
== cv
->c_layer
)
548 for (vp
= cv
->c_vplist
; vp
; vp
= nvp
)
555 evdeq(&cv
->c_captev
);
567 for (; cv
; cv
= cv
->c_slnext
)
573 for (cvp
= cv
->c_slperp
; cvp
; cvp
= cvp
->c_slnext
)
576 n
= CountCanvas(cvp
->c_slperp
);
594 for (cvp
= cv
->c_slperp
; cvp
; cvp
= cvp
->c_slnext
)
597 n
= CountCanvas(cvp
->c_slperp
);
605 EqualizeCanvas(cv
, gflag
)
610 for (; cv
; cv
= cv
->c_slnext
)
612 if (cv
->c_slperp
&& gflag
)
614 cv
->c_slweight
= CountCanvasPerp(cv
);
615 for (cv2
= cv
->c_slperp
; cv2
; cv2
= cv2
->c_slnext
)
617 EqualizeCanvas(cv2
->c_slperp
, gflag
);
628 struct canvas
*cv2
, *cvn
, *fcv
;
629 int nh
, i
, maxi
, hh
, m
, w
, wsum
;
639 debug2("ResizeCanvas: %d,%d", xs
, ys
);
640 debug2(" %d,%d\n", xe
, ye
);
643 if (cv
->c_slorient
== SLICE_UNKN
)
645 ASSERT(!cv
->c_slnext
&& !cv
->c_slperp
);
650 cv
->c_xoff
= cv
->c_xs
;
651 cv
->c_yoff
= cv
->c_ys
;
652 cv
->c_blank
.l_width
= cv
->c_xe
- cv
->c_xs
+ 1;
653 cv
->c_blank
.l_height
= cv
->c_ye
- cv
->c_ys
+ 1;
658 if (focusminwidth
|| focusminheight
)
660 debug("searching for focus canvas\n");
662 while (cv2
->c_slback
)
664 if (cv2
->c_slback
== cv
->c_slback
)
667 focusmin
= cv
->c_slorient
== SLICE_VERT
? focusminheight
: focusminwidth
;
670 else if (focusmin
< 0)
671 focusmin
= cv
->c_slorient
== SLICE_VERT
? ye
- ys
+ 2 : xe
- xs
+ 2;
672 debug1("found, focusmin=%d\n", focusmin
);
679 m
= CountCanvas(cv
) * 2;
680 nh
= cv
->c_slorient
== SLICE_VERT
? ye
- ys
+ 2 : xe
- xs
+ 2;
686 debug1("corrected to %d\n", focusmin
);
689 /* pass 1: calculate weight sum */
690 for (cv2
= cv
, wsum
= 0; cv2
; cv2
= cv2
->c_slnext
)
692 debug1(" weight %d\n", cv2
->c_slweight
);
693 wsum
+= cv2
->c_slweight
;
695 debug1("wsum = %d\n", wsum
);
700 /* pass 2: calculate need/excess space */
701 nh
= cv
->c_slorient
== SLICE_VERT
? ye
- ys
+ 2 : xe
- xs
+ 2;
702 for (cv2
= cv
, need
= got
= 0; cv2
; cv2
= cv2
->c_slnext
)
704 m
= cv2
->c_slperp
? CountCanvasPerp(cv2
) * 2 - 1 : 1;
707 hh
= cv2
->c_slweight
? nh
* cv2
->c_slweight
/ w
: 0;
708 w
-= cv2
->c_slweight
;
710 debug2(" should %d min %d\n", hh
, m
);
716 debug2("need: %d, got %d\n", need
, got
);
720 /* pass 3: distribute space */
721 nh
= cv
->c_slorient
== SLICE_VERT
? ye
- ys
+ 2 : xe
- xs
+ 2;
722 i
= cv
->c_slorient
== SLICE_VERT
? ys
: xs
;
723 maxi
= cv
->c_slorient
== SLICE_VERT
? ye
: xe
;
730 if (cv
->c_slprev
&& !cv
->c_slback
->c_slback
&& !cv
->c_slprev
->c_slperp
&& !cv
->c_slprev
->c_slprev
)
732 cv
->c_slprev
->c_slorient
= SLICE_UNKN
;
735 cv
->c_slback
->c_ye
++;
736 cv
->c_slprev
->c_ye
++;
739 SetCanvasWindow(cv
, 0);
743 m
= cv
->c_slperp
? CountCanvasPerp(cv
) * 2 - 1 : 1;
746 hh
= cv
->c_slweight
? nh
* cv
->c_slweight
/ w
: 0;
749 debug2(" should %d min %d\n", hh
, m
);
753 debug1(" -> %d\n", hh
);
757 int hx
= need
* (hh
- m
- 1) / got
;
758 debug3(" -> %d - %d = %d\n", hh
, hx
, hh
- hx
);
762 debug2(" now need=%d got=%d\n", need
, got
);
765 /* hh is window size plus pation line */
766 if (i
+ hh
> maxi
+ 2)
769 debug1(" not enough space, reducing to %d\n", hh
);
771 if (i
+ hh
== maxi
+ 1)
774 debug(" incrementing as no other canvas will fit\n");
776 if (cv
->c_slorient
== SLICE_VERT
)
781 cv
->c_ye
= i
+ hh
- 2;
788 cv
->c_xe
= i
+ hh
- 2;
794 cv
->c_xoff
= cv
->c_xs
;
795 cv
->c_yoff
= cv
->c_ys
;
796 cv
->c_blank
.l_width
= cv
->c_xe
- cv
->c_xs
+ 1;
797 cv
->c_blank
.l_height
= cv
->c_ye
- cv
->c_ys
+ 1;
801 if (!cv
->c_slperp
->c_slnext
)
803 debug("deleting perp node\n");
804 FreePerp(cv
->c_slperp
);
812 static struct canvas
*
817 debug("Creating new perp node\n");
819 if ((pcv
= (struct canvas
*)calloc(1, sizeof *cv
)) == 0)
822 pcv
->c_display
= cv
->c_display
;
823 pcv
->c_slnext
= cv
->c_slnext
;
824 pcv
->c_slprev
= cv
->c_slprev
;
826 pcv
->c_slback
= cv
->c_slback
;
827 if (cv
->c_slback
&& cv
->c_slback
->c_slperp
== cv
)
828 cv
->c_slback
->c_slperp
= pcv
;
829 pcv
->c_slorient
= cv
->c_slorient
;
832 pcv
->c_xs
= cv
->c_xs
;
833 pcv
->c_xe
= cv
->c_xe
;
834 pcv
->c_ys
= cv
->c_ys
;
835 pcv
->c_ye
= cv
->c_ye
;
837 pcv
->c_slnext
->c_slprev
= pcv
;
839 pcv
->c_slprev
->c_slnext
= pcv
;
840 pcv
->c_slweight
= cv
->c_slweight
;
841 CanvasInitBlank(pcv
);
847 cv
->c_slorient
= SLICE_UNKN
;
860 cv
->c_slprev
= pcv
->c_slprev
;
862 cv
->c_slprev
->c_slnext
= cv
;
863 cv
->c_slback
= pcv
->c_slback
;
864 if (cv
->c_slback
&& cv
->c_slback
->c_slperp
== pcv
)
865 cv
->c_slback
->c_slperp
= cv
;
866 cv
->c_slorient
= pcv
->c_slorient
;
867 cv
->c_slweight
= pcv
->c_slweight
;
871 cv
->c_slorient
= pcv
->c_slorient
;
872 cv
->c_slback
= pcv
->c_slback
;
873 cv
->c_slweight
= pcv
->c_slweight
;
875 cv
->c_slnext
= pcv
->c_slnext
;
877 cv
->c_slnext
->c_slprev
= cv
;
890 debug2("AddCanvas orient %d, forecv is %d\n", orient
, cv
->c_slorient
);
892 if (cv
->c_slorient
!= SLICE_UNKN
&& cv
->c_slorient
!= orient
)
897 xs
= cv
->c_slback
->c_xs
;
898 xe
= cv
->c_slback
->c_xe
;
899 ys
= cv
->c_slback
->c_ys
;
900 ye
= cv
->c_slback
->c_ye
;
901 if (!captionalways
&& cv
== D_canvas
.c_slperp
&& !cv
->c_slnext
)
902 ye
--; /* need space for caption */
903 debug2("Adding Canvas to slice %d,%d ", xs
, ys
);
904 debug2("%d,%d\n", xe
, ye
);
906 num
= CountCanvas(cv
->c_slback
->c_slperp
) + 1;
907 debug1("Num = %d\n", num
);
908 if (orient
== SLICE_VERT
)
915 return -1; /* can't fit in */
917 if ((cv
= (struct canvas
*)calloc(1, sizeof *cv
)) == 0)
920 D_forecv
->c_slback
->c_ye
= ye
; /* in case we modified it above */
921 D_forecv
->c_slorient
= orient
; /* in case it was UNKN */
922 cv
->c_slnext
= D_forecv
->c_slnext
;
923 cv
->c_slprev
= D_forecv
;
924 D_forecv
->c_slnext
= cv
;
926 cv
->c_slnext
->c_slprev
= cv
;
927 cv
->c_slorient
= orient
;
928 cv
->c_slback
= D_forecv
->c_slback
;
936 cv
->c_display
= display
;
938 cv
->c_captev
.type
= EV_TIMEOUT
;
939 cv
->c_captev
.data
= (char *)cv
;
940 cv
->c_captev
.handler
= cv_winid_fn
;
948 EqualizeCanvas(cv
->c_slperp
, 0);
950 RecreateCanvasChain();
951 RethinkDisplayViewports();
952 ResizeLayersToCanvases();
962 debug("RemCanvas\n");
964 if (cv
->c_slorient
== SLICE_UNKN
)
970 if (!cv
->c_slnext
->c_slnext
&& cv
->c_slback
->c_slback
)
972 /* two canvases in slice, kill perp node */
974 debug("deleting perp node\n");
975 FreePerp(cv
->c_slprev
? cv
->c_slprev
: cv
->c_slnext
);
976 FreePerp(cv
->c_slback
);
978 xs
= cv
->c_slback
->c_xs
;
979 xe
= cv
->c_slback
->c_xe
;
980 ys
= cv
->c_slback
->c_ys
;
981 ye
= cv
->c_slback
->c_ye
;
984 D_forecv
= cv
->c_slprev
;
986 D_forecv
= cv
->c_slnext
;
990 while (D_forecv
->c_slperp
)
991 D_forecv
= D_forecv
->c_slperp
;
993 /* if only one canvas left, set orient back to unknown */
994 if (!cv
->c_slnext
&& !cv
->c_slprev
&& !cv
->c_slback
->c_slback
&& !cv
->c_slperp
)
996 cv
->c_slorient
= SLICE_UNKN
;
998 cv
->c_slback
->c_ye
= ++ye
; /* caption line no longer needed */
1001 EqualizeCanvas(cv
->c_slperp
, 0);
1004 D_fore
= Layer2Window(D_forecv
->c_layer
);
1005 flayer
= D_forecv
->c_layer
;
1007 RecreateCanvasChain();
1008 RethinkDisplayViewports();
1009 ResizeLayersToCanvases();
1015 struct canvas
*cv
= D_forecv
, *ocv
= 0;
1020 cv
->c_slprev
->c_slnext
= cv
->c_slnext
;
1025 cv
->c_slnext
->c_slprev
= cv
->c_slprev
;
1029 if (cv
->c_slback
&& cv
->c_slback
->c_slperp
== cv
)
1030 cv
->c_slback
->c_slperp
= ocv
;
1031 cv
->c_slorient
= SLICE_UNKN
;
1032 while (D_canvas
.c_slperp
)
1033 FreeCanvas(D_canvas
.c_slperp
);
1035 D_canvas
.c_slperp
= cv
;
1036 cv
->c_slback
= &D_canvas
;
1039 ASSERT(!cv
->c_slperp
);
1041 D_canvas
.c_ye
++; /* caption line no longer needed */
1042 ResizeCanvas(&D_canvas
);
1043 RecreateCanvasChain();
1044 RethinkDisplayViewports();
1045 ResizeLayersToCanvases();
1049 RethinkDisplayViewports()
1052 struct viewport
*vp
, *vpn
;
1054 /* free old viewports */
1055 for (cv
= display
->d_cvlist
; cv
; cv
= cv
->c_next
)
1057 for (vp
= cv
->c_vplist
; vp
; vp
= vpn
)
1061 bzero((char *)vp
, sizeof(*vp
));
1066 display
->d_vpxmin
= -1;
1067 display
->d_vpxmax
= -1;
1069 for (cv
= display
->d_cvlist
; cv
; cv
= cv
->c_next
)
1071 if ((vp
= (struct viewport
*)malloc(sizeof *vp
)) == 0)
1075 vp
->v_xs
= cv
->c_xs
;
1076 vp
->v_ys
= (cv
->c_ys
+ cv
->c_ye
) / 2;
1077 vp
->v_xe
= cv
->c_xe
;
1078 vp
->v_ye
= cv
->c_ye
;
1079 vp
->v_xoff
= cv
->c_xoff
;
1080 vp
->v_yoff
= cv
->c_yoff
;
1081 vp
->v_next
= cv
->c_vplist
;
1084 if ((vp
= (struct viewport
*)malloc(sizeof *vp
)) == 0)
1087 vp
->v_xs
= (cv
->c_xs
+ cv
->c_xe
) / 2;
1088 vp
->v_ys
= (3 * cv
->c_ys
+ cv
->c_ye
) / 4;
1089 vp
->v_xe
= cv
->c_xe
;
1090 vp
->v_ye
= (cv
->c_ys
+ cv
->c_ye
) / 2 - 1;
1091 vp
->v_xoff
= cv
->c_xoff
;
1092 vp
->v_yoff
= cv
->c_yoff
;
1093 vp
->v_next
= cv
->c_vplist
;
1096 if ((vp
= (struct viewport
*)malloc(sizeof *vp
)) == 0)
1099 vp
->v_xs
= cv
->c_xs
;
1100 vp
->v_ys
= (3 * cv
->c_ys
+ cv
->c_ye
) / 4;
1101 vp
->v_xe
= (3 * cv
->c_xs
+ cv
->c_xe
) / 4 - 1;
1102 vp
->v_ye
= (cv
->c_ys
+ cv
->c_ye
) / 2 - 1;
1103 vp
->v_xoff
= cv
->c_xoff
;
1104 vp
->v_yoff
= cv
->c_yoff
;
1105 vp
->v_next
= cv
->c_vplist
;
1108 if ((vp
= (struct viewport
*)malloc(sizeof *vp
)) == 0)
1111 vp
->v_xs
= cv
->c_xs
;
1112 vp
->v_ys
= cv
->c_ys
;
1113 vp
->v_xe
= cv
->c_xe
;
1114 vp
->v_ye
= (3 * cv
->c_ys
+ cv
->c_ye
) / 4 - 1;
1115 vp
->v_xoff
= cv
->c_xoff
;
1116 vp
->v_yoff
= cv
->c_yoff
;
1117 vp
->v_next
= cv
->c_vplist
;
1121 vp
->v_xs
= cv
->c_xs
;
1122 vp
->v_ys
= cv
->c_ys
;
1123 vp
->v_xe
= cv
->c_xe
;
1124 vp
->v_ye
= cv
->c_ye
;
1125 vp
->v_xoff
= cv
->c_xoff
;
1126 vp
->v_yoff
= cv
->c_yoff
;
1127 vp
->v_next
= cv
->c_vplist
;
1131 if (cv
->c_xs
< display
->d_vpxmin
|| display
->d_vpxmin
== -1)
1132 display
->d_vpxmin
= cv
->c_xs
;
1133 if (cv
->c_xe
> display
->d_vpxmax
|| display
->d_vpxmax
== -1)
1134 display
->d_vpxmax
= cv
->c_xe
;
1140 RethinkViewportOffsets(cv
)
1143 struct viewport
*vp
;
1145 for (vp
= cv
->c_vplist
; vp
; vp
= vp
->v_next
)
1147 vp
->v_xoff
= cv
->c_xoff
;
1148 vp
->v_yoff
= cv
->c_yoff
;
1153 * if the adaptflag is on, we keep the size of this display, else
1154 * we may try to restore our old window sizes.
1165 /* Check for toggle */
1166 if (D_IM
&& strcmp(D_IM
, D_EI
))
1173 /* Check for toggle */
1174 if (D_KS
&& strcmp(D_KS
, D_KE
))
1176 if (D_CCS
&& strcmp(D_CCS
, D_CCE
))
1184 D_rend
= mchar_null
;
1187 ResizeDisplay(D_defwidth
, D_defheight
);
1188 ChangeScrollRegion(0, D_height
- 1);
1192 debug1("we %swant to adapt all our windows to the display\n",
1193 (adapt
) ? "" : "don't ");
1194 /* In case the size was changed by a init sequence */
1195 CheckScreenSize((adapt
) ? 2 : 0);
1207 ResizeDisplay(D_defwidth
, D_defheight
);
1209 ChangeScrollRegion(0, D_height
- 1);
1212 CursorVisibility(0);
1214 SetRendition(&mchar_null
);
1221 ShowHStatus((char *)0);
1226 GotoPos(0, D_height
- 1);
1240 if (!D_insert
&& D_x
< D_width
- 1)
1254 RefreshLine(D_y
, D_x
, D_width
-1, 0);
1266 if (D_insert
&& D_x
< D_width
- 1)
1275 if (D_x
< D_width
- 1)
1282 if (D_CLP
|| D_y
!= D_bot
)
1287 GotoPos(D_width
- 1, y
);
1290 debug("PUTCHARLP: lp_missing!\n");
1295 /* XXX -> PutChar ? */
1299 D_lpchar
.image
= D_mbcs
;
1307 * RAW_PUTCHAR() is for all text that will be displayed.
1308 * NOTE: charset Nr. 0 has a conversion table, but c1, c2, ... don't.
1319 if (D_encoding
== UTF8
)
1321 c
= (c
& 255) | (unsigned char)D_rend
.font
<< 8;
1327 D_x
+= D_AM
? 1 : -1;
1330 else if (utf8_isdouble(c
))
1339 AddCStr2(D_CS0
, '0');
1349 if (is_dw_font(D_rend
.font
))
1359 if (D_x
== D_width
- 1)
1360 D_x
+= D_AM
? 1 : -1;
1365 # if defined(ENCODINGS) && defined(DW_CHARS)
1367 c
= PrepareEncodedChar(c
);
1372 if (D_xtable
&& D_xtable
[(int)(unsigned char)D_rend
.font
] && D_xtable
[(int)(unsigned char)D_rend
.font
][(int)(unsigned char)c
])
1373 AddStr(D_xtable
[(int)(unsigned char)D_rend
.font
][(int)(unsigned char)c
]);
1375 AddChar(D_rend
.font
!= '0' ? c
: D_c0_tab
[(int)(unsigned char)c
]);
1383 if (++D_x
>= D_width
)
1387 else if (!D_CLP
|| D_x
> D_width
)
1390 if (D_y
< D_height
-1 && D_y
!= D_bot
)
1408 /* this is for ESC-sequences only (AddChar is a macro) */
1417 if (display
&& s
&& *s
)
1420 tputs(s
, 1, DoAddChar
);
1429 if (display
&& s
&& *s
)
1432 tputs(tgoto(s
, 0, c
), 1, DoAddChar
);
1437 /* Insert mode is a toggle on some terminals, so we need this hack:
1443 if (display
&& on
!= D_insert
&& D_IM
)
1453 /* ...and maybe keypad application mode is a toggle, too:
1463 if (display
&& D_keypad
!= on
&& D_KS
)
1482 if (display
&& D_cursorkeys
!= on
&& D_CCS
)
1497 if (display
&& D_revvid
!= on
&& D_CVR
)
1511 if (display
&& D_curvis
!= v
)
1514 AddCStr(D_VE
); /* do this always, just to be safe */
1516 if (v
== -1 && D_VI
)
1518 else if (v
== 1 && D_VS
)
1530 if (display
&& D_mouse
!= mode
)
1537 sprintf(mousebuf
, "\033[?%dl", D_mouse
);
1542 sprintf(mousebuf
, "\033[?%dh", mode
);
1569 tputs(s
, 1, CountChars
);
1577 CallRewrite(y
, xs
, xe
, doit
)
1578 int y
, xs
, xe
, doit
;
1580 struct canvas
*cv
, *cvlist
, *cvlnext
;
1581 struct viewport
*vp
;
1582 struct layer
*oldflayer
;
1585 debug3("CallRewrite %d %d %d\n", y
, xs
, xe
);
1590 for (cv
= D_cvlist
; cv
; cv
= cv
->c_next
)
1592 if (y
< cv
->c_ys
|| y
> cv
->c_ye
|| xe
< cv
->c_xs
|| xs
> cv
->c_xe
)
1594 for (vp
= cv
->c_vplist
; vp
; vp
= vp
->v_next
)
1595 if (y
>= vp
->v_ys
&& y
<= vp
->v_ye
&& xe
>= vp
->v_xs
&& xs
<= vp
->v_xe
)
1603 flayer
= cv
->c_layer
;
1604 cvlist
= flayer
->l_cvlist
;
1605 cvlnext
= cv
->c_lnext
;
1606 flayer
->l_cvlist
= cv
;
1608 LayRewrite(y
- vp
->v_yoff
, xs
- vp
->v_xoff
, xe
- vp
->v_xoff
, &D_rend
, 1);
1609 flayer
->l_cvlist
= cvlist
;
1610 cv
->c_lnext
= cvlnext
;
1614 if (cv
== 0 || cv
->c_layer
== 0)
1615 return EXPENSIVE
; /* not found or nothing on it */
1616 if (xs
< vp
->v_xs
|| xe
> vp
->v_xe
)
1617 return EXPENSIVE
; /* crosses viewport boundaries */
1618 if (y
- vp
->v_yoff
< 0 || y
- vp
->v_yoff
>= cv
->c_layer
->l_height
)
1619 return EXPENSIVE
; /* line not on layer */
1620 if (xs
- vp
->v_xoff
< 0 || xe
- vp
->v_xoff
>= cv
->c_layer
->l_width
)
1621 return EXPENSIVE
; /* line not on layer */
1623 if (D_encoding
== UTF8
)
1627 flayer
= cv
->c_layer
;
1628 debug3("Calling Rewrite %d %d %d\n", y
- vp
->v_yoff
, xs
- vp
->v_xoff
, xe
- vp
->v_xoff
);
1629 cost
= LayRewrite(y
- vp
->v_yoff
, xs
- vp
->v_xoff
, xe
- vp
->v_xoff
, &D_rend
, 0);
1632 cost
+= D_EIcost
+ D_IMcost
;
1641 register int dy
, dx
, x1
, y1
;
1642 register int costx
, costy
;
1646 enum move_t xm
= M_NONE
, ym
= M_NONE
;
1657 x1
= -1; /* don't know how the terminal treats this */
1665 if (dy
== 0 && dx
== 0)
1667 debug2("GotoPos (%d,%d)", x1
, y1
);
1668 debug2(" -> (%d,%d)\n", x2
, y2
);
1669 if (!D_MS
) /* Safe to move ? */
1670 SetRendition(&mchar_null
);
1671 if (y1
< 0 /* don't know the y position */
1672 || (y2
> D_bot
&& y1
<= D_bot
) /* have to cross border */
1673 || (y2
< D_top
&& y1
>= D_top
)) /* of scrollregion ? */
1676 if (D_HO
&& !x2
&& !y2
)
1679 AddCStr(tgoto(D_CM
, x2
, y2
));
1685 /* some scrollregion implementations don't allow movements
1686 * away from the region. sigh.
1688 if ((y1
> D_bot
&& y2
> y1
) || (y1
< D_top
&& y2
< y1
))
1691 /* Calculate CMcost */
1692 if (D_HO
&& !x2
&& !y2
)
1695 s
= tgoto(D_CM
, x2
, y2
);
1696 CMcost
= CalcCost(s
);
1698 /* Calculate the cost to move the cursor to the right x position */
1700 if (x1
>= 0) /* relativ x positioning only if we know where we are */
1704 if (D_CRI
&& (dx
> 1 || !D_ND
))
1706 costx
= CalcCost(tgoto(D_CRI
, 0, dx
));
1709 if ((m
= D_NDcost
* dx
) < costx
)
1714 /* Speedup: dx <= LayRewrite() */
1715 if (dx
< costx
&& (m
= CallRewrite(y1
, x1
, x2
- 1, 0)) < costx
)
1723 if (D_CLE
&& (dx
< -1 || !D_BC
))
1725 costx
= CalcCost(tgoto(D_CLE
, 0, -dx
));
1728 if ((m
= -dx
* D_LEcost
) < costx
)
1737 /* Speedup: LayRewrite() >= x2 */
1738 if (x2
+ D_CRcost
< costx
&& (m
= (x2
? CallRewrite(y1
, 0, x2
- 1, 0) : 0) + D_CRcost
) < costx
)
1744 /* Check if it is already cheaper to do CM */
1745 if (costx
>= CMcost
)
1748 /* Calculate the cost to move the cursor to the right y position */
1752 if (D_CDO
&& dy
> 1) /* DO & NL are always != 0 */
1754 costy
= CalcCost(tgoto(D_CDO
, 0, dy
));
1757 if ((m
= dy
* ((x2
== 0) ? D_NLcost
: D_DOcost
)) < costy
)
1765 if (D_CUP
&& (dy
< -1 || !D_UP
))
1767 costy
= CalcCost(tgoto(D_CUP
, 0, -dy
));
1770 if ((m
= -dy
* D_UPcost
) < costy
)
1779 /* Finally check if it is cheaper to do CM */
1780 if (costx
+ costy
>= CMcost
)
1790 AddCStr2(D_CLE
, -dx
);
1797 AddCStr2(D_CRI
, dx
);
1806 (void) CallRewrite(y1
, x1
, x2
- 1, 1);
1819 AddCStr2(D_CUP
, -dy
);
1822 s
= (x2
== 0) ? D_NL
: D_DO
;
1827 AddCStr2(D_CDO
, dy
);
1840 ClearArea(0, 0, 0, D_width
- 1, D_width
- 1, D_height
- 1, 0, 0);
1844 ClearArea(x1
, y1
, xs
, xe
, x2
, y2
, bce
, uselayfn
)
1845 int x1
, y1
, xs
, xe
, x2
, y2
, bce
, uselayfn
;
1849 struct viewport
*vp
;
1851 debug2("Clear %d,%d", x1
, y1
);
1852 debug2(" %d-%d", xs
, xe
);
1853 debug2(" %d,%d", x2
, y2
);
1854 debug2(" uselayfn=%d bce=%d\n", uselayfn
, bce
);
1864 if (D_UT
) /* Safe to erase ? */
1865 SetRendition(&mchar_null
);
1870 if (D_lp_missing
&& y1
<= D_bot
&& xe
>= D_width
- 1)
1872 if (y2
> D_bot
|| (y2
== D_bot
&& x2
>= D_width
- 1))
1875 if (x2
== D_width
- 1 && (xs
== 0 || y1
== y2
) && xe
== D_width
- 1 && y2
== D_height
- 1 && (!bce
|| D_BE
))
1878 if (x1
== 0 && y1
== 0 && D_auto_nuke
)
1881 if (x1
== 0 && y1
== 0 && D_CL
)
1888 * Workaround a hp700/22 terminal bug. Do not use CD where CE
1889 * is also appropriate.
1891 if (D_CD
&& (y1
< y2
|| !D_CE
))
1898 if (x1
== 0 && xs
== 0 && (xe
== D_width
- 1 || y1
== y2
) && y1
== 0 && D_CCD
&& (!bce
|| D_BE
))
1905 for (y
= y1
; y
<= y2
; y
++, x1
= xs
)
1909 if (x1
== 0 && D_CB
&& (xxe
!= D_width
- 1 || (D_x
== xxe
&& D_y
== y
)) && (!bce
|| D_BE
))
1915 if (xxe
== D_width
- 1 && D_CE
&& (!bce
|| D_BE
))
1924 for (cv
= D_cvlist
; cv
; cv
= cv
->c_next
)
1926 if (y
< cv
->c_ys
|| y
> cv
->c_ye
|| xxe
< cv
->c_xs
|| x1
> cv
->c_xe
)
1928 for (vp
= cv
->c_vplist
; vp
; vp
= vp
->v_next
)
1929 if (y
>= vp
->v_ys
&& y
<= vp
->v_ye
&& xxe
>= vp
->v_xs
&& x1
<= vp
->v_xe
)
1934 if (cv
&& cv
->c_layer
&& x1
>= vp
->v_xs
&& xxe
<= vp
->v_xe
&&
1935 y
- vp
->v_yoff
>= 0 && y
- vp
->v_yoff
< cv
->c_layer
->l_height
&&
1936 xxe
- vp
->v_xoff
>= 0 && x1
- vp
->v_xoff
< cv
->c_layer
->l_width
)
1938 struct layer
*oldflayer
= flayer
;
1939 struct canvas
*cvlist
, *cvlnext
;
1940 flayer
= cv
->c_layer
;
1941 cvlist
= flayer
->l_cvlist
;
1942 cvlnext
= cv
->c_lnext
;
1943 flayer
->l_cvlist
= cv
;
1945 LayClearLine(y
- vp
->v_yoff
, x1
- vp
->v_xoff
, xxe
- vp
->v_xoff
, bce
);
1946 flayer
->l_cvlist
= cvlist
;
1947 cv
->c_lnext
= cvlnext
;
1952 ClearLine((struct mline
*)0, y
, x1
, xxe
, bce
);
1958 * if cur_only > 0, we only redisplay current line, as a full refresh is
1959 * too expensive over a low baud line.
1967 /* XXX do em all? */
1969 ChangeScrollRegion(0, D_height
- 1);
1972 CursorVisibility(0);
1974 SetRendition(&mchar_null
);
1981 if (cur_only
> 0 && D_fore
)
1982 RefreshArea(0, D_fore
->w_y
, D_width
- 1, D_fore
->w_y
, 1);
1986 CV_CALL(D_forecv
, LayRestore();LaySetCursor());
1990 RedisplayDisplays(cur_only
)
1993 struct display
*olddisplay
= display
;
1994 for (display
= displays
; display
; display
= display
->d_next
)
1995 Redisplay(cur_only
);
1996 display
= olddisplay
;
2002 ScrollH(y
, xs
, xe
, n
, bce
, oml
)
2003 int y
, xs
, xe
, n
, bce
;
2010 if (xe
!= D_width
- 1)
2012 RefreshLine(y
, xs
, xe
, 0);
2013 /* UpdateLine(oml, y, xs, xe); */
2018 SetRendition(&mchar_null
);
2025 if (n
>= xe
- xs
+ 1)
2027 if (D_CDC
&& !(n
== 1 && D_DC
))
2036 RefreshLine(y
, xs
, xe
, 0);
2037 /* UpdateLine(oml, y, xs, xe); */
2043 if (-n
>= xe
- xs
+ 1)
2047 if (D_CIC
&& !(n
== -1 && D_IC
))
2048 AddCStr2(D_CIC
, -n
);
2057 SetRendition(&mchar_null
);
2063 bce
= 0; /* all done */
2067 /* UpdateLine(oml, y, xs, xe); */
2068 RefreshLine(y
, xs
, xe
, 0);
2074 SetRendition(&mchar_null
);
2080 bce
= 0; /* all done */
2086 ClearLine((struct mline
*)0, y
, xe
- n
+ 1, xe
, bce
);
2088 ClearLine((struct mline
*)0, y
, xs
, xs
- n
- 1, bce
);
2090 if (D_lp_missing
&& y
== D_bot
)
2093 WriteLP(D_width
- 1 - n
, y
);
2099 ScrollV(xs
, ys
, xe
, ye
, n
, bce
)
2100 int xs
, ys
, xe
, ye
, n
, bce
;
2105 int alok
, dlok
, aldlfaster
;
2111 if (n
>= ye
- ys
+ 1 || -n
>= ye
- ys
+ 1)
2113 ClearArea(xs
, ys
, xs
, xe
, xe
, ye
, bce
, 0);
2116 if (xs
> D_vpxmin
|| xe
< D_vpxmax
)
2118 RefreshArea(xs
, ys
, xe
, ye
, 0);
2124 if (D_bot
> ye
|| D_bot
< ys
)
2129 if (missy
> ye
|| missy
< ys
)
2140 if (n
>= ye
- ys
+ 1)
2145 if (ys
< D_top
|| D_bot
!= ye
)
2146 ChangeScrollRegion(ys
, ye
);
2147 alok
= (D_AL
|| D_CAL
|| (ys
>= D_top
&& ye
== D_bot
&& up
));
2148 dlok
= (D_DL
|| D_CDL
|| (ys
>= D_top
&& ye
== D_bot
&& !up
));
2149 if (D_top
!= ys
&& !(alok
&& dlok
))
2150 ChangeScrollRegion(ys
, ye
);
2154 (oldbot
== D_bot
&& up
&& D_top
== ys
&& D_bot
== ye
)))
2156 WriteLP(D_width
- 1, oldbot
);
2157 if (oldbot
== D_bot
) /* have scrolled */
2162 ChangeScrollRegion(oldtop, oldbot);
2165 ClearLine((struct mline
*)0, ye
, xs
, xe
, bce
);
2172 SetRendition(&mchar_null
);
2178 aldlfaster
= (n
> 1 && ys
>= D_top
&& ye
== D_bot
&& ((up
&& D_CDL
) || (!up
&& D_CAL
)));
2180 if ((up
|| D_SR
) && D_top
== ys
&& D_bot
== ye
&& !aldlfaster
)
2185 for(i
= n
; i
-- > 0; )
2186 AddCStr(D_NL
); /* was SF, I think NL is faster */
2191 for(i
= n
; i
-- > 0; )
2195 else if (alok
&& dlok
)
2197 if (up
|| ye
!= D_bot
)
2199 GotoPos(0, up
? ys
: ye
+1-n
);
2200 if (D_CDL
&& !(n
== 1 && D_DL
))
2206 if (!up
|| ye
!= D_bot
)
2208 GotoPos(0, up
? ye
+1-n
: ys
);
2209 if (D_CAL
&& !(n
== 1 && D_AL
))
2218 RefreshArea(xs
, ys
, xe
, ye
, 0);
2224 ClearArea(xs
, ye
- n
+ 1, xs
, xe
, xe
, ye
, bce
, 0);
2226 ClearArea(xs
, ys
, xs
, xe
, xe
, ys
+ n
- 1, bce
, 0);
2228 if (D_lp_missing
&& missy
!= D_bot
)
2229 WriteLP(D_width
- 1, missy
);
2231 ChangeScrollRegion(oldtop, oldbot);
2232 if (D_lp_missing && missy != D_bot)
2233 WriteLP(D_width - 1, missy);
2241 register int i
, j
, old
, typ
;
2243 if (!display
|| (old
= D_rend
.attr
) == new)
2246 D_col16change
= (old
^ new) & (A_BFG
| A_BBG
);
2247 new ^= D_col16change
;
2251 #if defined(TERMINFO) && defined(USE_SGR)
2257 tputs(tparm(D_SA
, new & A_SO
, new & A_US
, new & A_RV
, new & A_BL
,
2258 new & A_DI
, new & A_BD
, 0 , 0 ,
2264 rend_setdefault(&D_rend
);
2271 if ((new & old
) != old
)
2281 /* ansi attrib handling: \E[m resets color, too */
2283 rend_setdefault(&D_rend
);
2288 /* D_ME may also reset the alternate charset */
2300 for (i
= 0, j
= 1; old
&& i
< NATTR
; i
++, j
<<= 1)
2307 AddCStr(D_attrtab
[i
]);
2308 typ
|= D_attrtyp
[i
];
2319 int old
= D_rend
.font
;
2320 if (!display
|| old
== new)
2324 if (D_encoding
&& CanEncodeFont(D_encoding
, new))
2326 if (new == D_realfont
)
2330 if (D_xtable
&& D_xtable
[(int)(unsigned char)new] &&
2331 D_xtable
[(int)(unsigned char)new][256])
2333 AddCStr(D_xtable
[(int)(unsigned char)new][256]);
2337 if (!D_CG0
&& new != '0')
2356 AddCStr2(D_CS0
, new);
2371 jj
= (jj
- 232) / 6;
2372 jj
= (jj
& 1) << 3 | (jj
& 2 ? 7 : 0);
2380 min
= r
< g
? (r
< b
? r
: b
) : (g
< b
? g
: b
);
2381 max
= r
> g
? (r
> b
? r
: b
) : (g
> b
? g
: b
);
2383 jj
= ((max
+ 1) & 2) << 2 | ((max
+ 1) & 4 ? 7 : 0);
2385 jj
= (b
- min
) / (max
- min
) << 2 | (g
- min
) / (max
- min
) << 1 | (r
-
2386 min
) / (max
- min
) | (max
> 3 ? 8 : 0);
2399 return (jj
- 232) / 3 + 80;
2406 return ((r
+ 1) / 2) * 16 + ((g
+ 1) / 2) * 4 + ((b
+ 1) / 2) + 16;
2417 static unsigned char sftrans
[8] = {0,4,2,6,1,5,3,7};
2422 of
= rend_getfg(&D_rend
);
2423 ob
= rend_getbg(&D_rend
);
2426 /* intense default not invented yet */
2432 debug2("SetColor %d %d", coli2e(of
), coli2e(ob
));
2433 debug2(" -> %d %d\n", coli2e(f
), coli2e(b
));
2434 debug2("(%d %d", of
, ob
);
2435 debug2(" -> %d %d)\n", f
, b
);
2437 if (!D_CAX
&& D_hascolor
&& ((f
== 0 && f
!= of
) || (b
== 0 && b
!= ob
)))
2444 oattr
= D_rend
.attr
;
2445 AddCStr(D_ME
? D_ME
: "\033[m");
2449 /* D_ME may also reset the alternate charset */
2462 rend_setfg(&D_rend
, f
);
2463 rend_setbg(&D_rend
, b
);
2469 f
= f
? coli2e(f
) : -1;
2470 b
= b
? coli2e(b
) : -1;
2471 of
= of
? coli2e(of
) : -1;
2472 ob
= ob
? coli2e(ob
) : -1;
2474 if (f
!= of
&& f
> 15 && D_CCO
!= 256)
2475 f
= D_CCO
== 88 && D_CAF
? color256to88(f
) : color256to16(f
);
2476 if (f
!= of
&& f
> 15 && D_CAF
)
2481 if (b
!= ob
&& b
> 15 && D_CCO
!= 256)
2482 b
= D_CCO
== 88 && D_CAB
? color256to88(b
) : color256to16(b
);
2483 if (b
!= ob
&& b
> 15 && D_CAB
)
2489 if (f
!= of
&& f
!= (of
| 8))
2492 AddCStr("\033[39m"); /* works because AX is set */
2494 AddCStr2(D_CAF
, f
& 7);
2496 AddCStr2(D_CSF
, sftrans
[f
& 7]);
2498 if (b
!= ob
&& b
!= (ob
| 8))
2501 AddCStr("\033[49m"); /* works because AX is set */
2503 AddCStr2(D_CAB
, b
& 7);
2505 AddCStr2(D_CSB
, sftrans
[b
& 7]);
2508 if (f
!= of
&& D_CXT
&& (f
& 8) != 0 && f
!= -1)
2511 AddCStr2("\033[9%p1%dm", f
& 7);
2513 AddCStr2("\033[9%dm", f
& 7);
2516 if (b
!= ob
&& D_CXT
&& (b
& 8) != 0 && b
!= -1)
2519 AddCStr2("\033[10%p1%dm", b
& 7);
2521 AddCStr2("\033[10%dm", b
& 7);
2533 SetColor(rend_getfg(&D_rend
), new);
2544 if (nattr2color
&& D_hascolor
&& (mc
->attr
& nattr2color
) != 0)
2546 static struct mchar mmc
;
2549 for (i
= 0; i
< 8; i
++)
2550 if (attr2color
[i
] && (mc
->attr
& (1 << i
)) != 0)
2552 if (mc
->color
== 0 && attr2color
[i
][3])
2553 ApplyAttrColor(attr2color
[i
][3], &mmc
);
2554 else if ((mc
->color
& 0x0f) == 0 && attr2color
[i
][2])
2555 ApplyAttrColor(attr2color
[i
][2], &mmc
);
2556 else if ((mc
->color
& 0xf0) == 0 && attr2color
[i
][1])
2557 ApplyAttrColor(attr2color
[i
][1], &mmc
);
2559 ApplyAttrColor(attr2color
[i
][0], &mmc
);
2562 debug2("SetRendition: mapped to %02x %02x\n", (unsigned char)mc
->attr
, 0x99 - (unsigned char)mc
->color
);
2565 if (D_hascolor
&& D_CC8
&& (mc
->attr
& (A_BFG
|A_BBG
)))
2568 if ((mc
->attr
& A_BFG
) && D_MD
)
2570 if ((mc
->attr
& A_BBG
) && D_MB
)
2572 if (D_rend
.attr
!= a
)
2576 # endif /* COLORS16 */
2578 if (D_rend
.attr
!= mc
->attr
)
2582 if (D_rend
.color
!= mc
->color
2584 || D_rend
.colorx
!= mc
->colorx
2590 SetColor(rend_getfg(mc
), rend_getbg(mc
));
2593 if (D_rend
.font
!= mc
->font
)
2599 SetRenditionMline(ml
, x
)
2606 if (nattr2color
&& D_hascolor
&& (ml
->attr
[x
] & nattr2color
) != 0)
2609 copy_mline2mchar(&mc
, ml
, x
);
2614 if (D_hascolor
&& D_CC8
&& (ml
->attr
[x
] & (A_BFG
|A_BBG
)))
2616 int a
= ml
->attr
[x
];
2617 if ((ml
->attr
[x
] & A_BFG
) && D_MD
)
2619 if ((ml
->attr
[x
] & A_BBG
) && D_MB
)
2621 if (D_rend
.attr
!= a
)
2625 # endif /* COLORS16 */
2627 if (D_rend
.attr
!= ml
->attr
[x
])
2628 SetAttr(ml
->attr
[x
]);
2630 if (D_rend
.color
!= ml
->color
[x
]
2632 || D_rend
.colorx
!= ml
->colorx
[x
]
2640 copy_mline2mchar(&mc
, ml
, x
);
2641 SetColor(rend_getfg(&mc
), rend_getbg(&mc
));
2645 if (D_rend
.font
!= ml
->font
[x
])
2646 SetFont(ml
->font
[x
]);
2654 register char *s
, *t
;
2664 debug("tc not inited, just writing msg\n");
2665 if (D_processinputdata
)
2666 return; /* XXX: better */
2672 if (!use_hardstatus
|| !D_HS
)
2679 max
= D_WS
> 0 ? D_WS
: (D_width
- !D_CLP
);
2683 if (strcmp(msg
, D_status_lastmsg
) == 0)
2685 debug("same message - increase timeout");
2686 SetTimeout(&D_statusev
, MsgWait
);
2693 gettimeofday(&now
, NULL
);
2694 ti
= (now
.tv_sec
- D_status_time
.tv_sec
) * 1000 + (now
.tv_usec
- D_status_time
.tv_usec
) / 1000;
2695 if (ti
< MsgMinWait
)
2696 DisplaySleep1000(MsgMinWait
- ti
, 0);
2700 for (s
= t
= msg
; *s
&& t
- msg
< max
; ++s
)
2703 else if ((unsigned char)*s
>= ' ' && *s
!= 0177)
2708 if (t
- msg
>= D_status_buflen
)
2711 if (D_status_lastmsg
)
2712 buf
= realloc(D_status_lastmsg
, t
- msg
+ 1);
2714 buf
= malloc(t
- msg
+ 1);
2717 D_status_lastmsg
= buf
;
2718 D_status_buflen
= t
- msg
+ 1;
2721 if (t
- msg
< D_status_buflen
)
2722 strcpy(D_status_lastmsg
, msg
);
2723 D_status_len
= t
- msg
;
2724 D_status_lastx
= D_x
;
2725 D_status_lasty
= D_y
;
2726 if (!use_hardstatus
|| D_has_hstatus
== HSTATUS_IGNORE
|| D_has_hstatus
== HSTATUS_MESSAGE
)
2728 D_status
= STATUS_ON_WIN
;
2729 debug1("using STATLINE %d\n", STATLINE
);
2730 GotoPos(0, STATLINE
);
2731 SetRendition(&mchar_so
);
2734 if (D_status_len
< max
)
2736 /* Wayne Davison: add extra space for readability */
2738 SetRendition(&mchar_null
);
2740 if (D_status_len
< max
)
2752 D_status
= STATUS_ON_HS
;
2758 if (D_status
== STATUS_ON_WIN
)
2760 struct display
*olddisplay
= display
;
2761 struct layer
*oldflayer
= flayer
;
2763 ASSERT(D_obuffree
== D_obuflen
);
2764 /* this is copied over from RemoveStatus() */
2766 GotoPos(0, STATLINE
);
2767 RefreshLine(STATLINE
, 0, D_status_len
- 1, 0);
2768 GotoPos(D_status_lastx
, D_status_lasty
);
2769 flayer
= D_forecv
? D_forecv
->c_layer
: 0;
2772 display
= olddisplay
;
2774 D_status_obuflen
= D_obuflen
;
2775 D_status_obuffree
= D_obuffree
;
2776 D_obuffree
= D_obuflen
= 0;
2777 D_status
= STATUS_ON_WIN
;
2779 gettimeofday(&D_status_time
, NULL
);
2780 SetTimeout(&D_statusev
, MsgWait
);
2783 RefreshBraille(); /* let user see multiple Msg()s */
2790 struct display
*olddisplay
;
2791 struct layer
*oldflayer
;
2796 if (!(where
= D_status
))
2799 debug("RemoveStatus\n");
2800 if (D_status_obuffree
>= 0)
2802 D_obuflen
= D_status_obuflen
;
2803 D_obuffree
= D_status_obuffree
;
2804 D_status_obuffree
= -1;
2809 olddisplay
= display
;
2811 if (where
== STATUS_ON_WIN
)
2813 if (captionalways
|| (D_canvas
.c_slperp
&& D_canvas
.c_slperp
->c_slnext
))
2815 GotoPos(0, STATLINE
);
2816 RefreshLine(STATLINE
, 0, D_status_len
- 1, 0);
2817 GotoPos(D_status_lastx
, D_status_lasty
);
2822 flayer
= D_forecv
? D_forecv
->c_layer
: 0;
2825 display
= olddisplay
;
2829 /* refresh the display's hstatus line */
2836 if (D_status
== STATUS_ON_WIN
&& D_has_hstatus
== HSTATUS_LASTLINE
&& STATLINE
== D_height
-1)
2837 return; /* sorry, in use */
2841 if (D_HS
&& D_has_hstatus
== HSTATUS_HS
)
2843 if (!D_hstatus
&& (str
== 0 || *str
== 0))
2845 debug("ShowHStatus: using HS\n");
2846 SetRendition(&mchar_null
);
2851 if (str
== 0 || *str
== 0)
2854 max
= D_WS
> 0 ? D_WS
: (D_width
- !D_CLP
);
2855 if ((int)strlen(str
) > max
)
2862 else if (D_has_hstatus
== HSTATUS_LASTLINE
)
2864 debug("ShowHStatus: using last line\n");
2867 str
= str
? str
: "";
2871 GotoPos(0, D_height
- 1);
2872 SetRendition(captionalways
|| D_cvlist
== 0 || D_cvlist
->c_next
? &mchar_null
: &mchar_so
);
2873 PutWinMsg(str
, 0, l
);
2874 if (!captionalways
&& D_cvlist
&& !D_cvlist
->c_next
)
2875 while (l
++ < D_width
)
2878 ClearArea(l
, D_height
- 1, l
, D_width
- 1, D_width
- 1, D_height
- 1, 0, 0);
2879 if (ox
!= -1 && oy
!= -1)
2881 D_hstatus
= *str
? 1 : 0;
2882 SetRendition(&mchar_null
);
2884 else if (str
&& *str
&& D_has_hstatus
== HSTATUS_MESSAGE
)
2886 debug("ShowHStatus: using message\n");
2893 * Refreshes the harstatus of the fore window. Shouldn't be here...
2900 evdeq(&D_hstatusev
);
2901 if (D_status
== STATUS_ON_HS
)
2903 buf
= MakeWinMsgEv(hstatusstring
, D_fore
, '%', (D_HS
&& D_has_hstatus
== HSTATUS_HS
&& D_WS
> 0) ? D_WS
: D_width
- !D_CLP
, &D_hstatusev
, 0);
2907 if (D_has_hstatus
!= HSTATUS_IGNORE
&& D_hstatusev
.timeout
.tv_sec
)
2908 evenq(&D_hstatusev
);
2911 ShowHStatus((char *)0);
2914 /*********************************************************************/
2916 * Here come the routines that refresh an arbitrary part of the screen.
2926 debug("Signalling full refresh!\n");
2927 for (cv
= D_cvlist
; cv
; cv
= cv
->c_next
)
2929 CV_CALL(cv
, LayRedisplayLine(-1, -1, -1, isblank
));
2930 display
= cv
->c_display
; /* just in case! */
2932 RefreshArea(0, 0, D_width
- 1, D_height
- 1, isblank
);
2936 RefreshArea(xs
, ys
, xe
, ye
, isblank
)
2937 int xs
, ys
, xe
, ye
, isblank
;
2941 debug2("Refresh Area: %d,%d", xs
, ys
);
2942 debug3(" - %d,%d (isblank=%d)\n", xe
, ye
, isblank
);
2943 if (!isblank
&& xs
== 0 && xe
== D_width
- 1 && ye
== D_height
- 1 && (ys
== 0 || D_CD
))
2945 ClearArea(xs
, ys
, xs
, xe
, xe
, ye
, 0, 0);
2948 for (y
= ys
; y
<= ye
; y
++)
2949 RefreshLine(y
, xs
, xe
, isblank
);
2953 RefreshLine(y
, from
, to
, isblank
)
2954 int y
, from
, to
, isblank
;
2956 struct viewport
*vp
, *lvp
;
2957 struct canvas
*cv
, *lcv
, *cvlist
, *cvlnext
;
2958 struct layer
*oldflayer
;
2965 debug2("RefreshLine %d %d", y
, from
);
2966 debug2(" %d %d\n", to
, isblank
);
2968 if (D_status
== STATUS_ON_WIN
&& y
== STATLINE
)
2970 if (to
>= D_status_len
)
2971 D_status_len
= to
+ 1;
2972 return; /* can't refresh status */
2975 /* The following check makes plenty of sense. Unfortunately,
2976 vte-based terminals (notably gnome-terminal) experience a quirk
2977 that causes the final line not to update properly when it falls outside
2978 the scroll region; clearing the line with D_CE avoids the glitch,
2979 so we'll disable this perfectly sensible shortcut until such a time
2980 as widespread vte installations lack the glitch.
2982 See http://bugzilla.gnome.org/show_bug.cgi?id=542087 for current
2983 status of the VTE bug report, and
2984 https://savannah.gnu.org/bugs/index.php?23699 for the history from
2985 the Savannah BTS. */
2987 if (y
== D_height
- 1 && D_has_hstatus
== HSTATUS_LASTLINE
)
2994 if (isblank
== 0 && D_CE
&& to
== D_width
- 1 && from
< to
)
2998 SetRendition(&mchar_null
);
3006 for (cv
= display
->d_cvlist
; cv
; cv
= cv
->c_next
)
3008 if (y
== cv
->c_ye
+ 1 && from
>= cv
->c_xs
&& from
<= cv
->c_xe
)
3010 p
= Layer2Window(cv
->c_layer
);
3012 /*FIXME: is it okey to bypass all the following code?*/
3013 if (trigger_sevent(&globalevents
.processcaption
, cv
))
3016 buf
= MakeWinMsgEv(captionstring
, p
, '%', cv
->c_xe
- cv
->c_xs
+ (cv
->c_xe
+ 1 < D_width
|| D_CLP
), &cv
->c_captev
, 0);
3017 if (cv
->c_captev
.timeout
.tv_sec
)
3018 evenq(&cv
->c_captev
);
3019 xx
= to
> cv
->c_xe
? cv
->c_xe
: to
;
3022 SetRendition(&mchar_so
);
3023 if (l
> xx
- cv
->c_xs
+ 1)
3024 l
= xx
- cv
->c_xs
+ 1;
3025 PutWinMsg(buf
, from
- cv
->c_xs
, l
);
3026 from
= cv
->c_xs
+ l
;
3027 for (; from
<= xx
; from
++)
3031 if (from
== cv
->c_xe
+ 1 && y
>= cv
->c_ys
&& y
<= cv
->c_ye
+ 1)
3034 SetRendition(&mchar_so
);
3039 if (y
< cv
->c_ys
|| y
> cv
->c_ye
|| to
< cv
->c_xs
|| from
> cv
->c_xe
)
3041 debug2("- canvas hit: %d %d", cv
->c_xs
, cv
->c_ys
);
3042 debug2(" %d %d\n", cv
->c_xe
, cv
->c_ye
);
3043 for (vp
= cv
->c_vplist
; vp
; vp
= vp
->v_next
)
3045 debug2(" - vp: %d %d", vp
->v_xs
, vp
->v_ys
);
3046 debug2(" %d %d\n", vp
->v_xe
, vp
->v_ye
);
3047 /* find leftmost overlapping vp */
3048 if (y
>= vp
->v_ys
&& y
<= vp
->v_ye
&& from
<= vp
->v_xe
&& to
>= vp
->v_xs
&& (lvp
== 0 || lvp
->v_xs
> vp
->v_xs
))
3056 continue; /* we advanced from */
3059 if (from
< lvp
->v_xs
)
3062 DisplayLine(&mline_null
, &mline_blank
, y
, from
, lvp
->v_xs
- 1);
3066 /* call LayRedisplayLine on canvas lcv viewport lvp */
3067 yy
= y
- lvp
->v_yoff
;
3068 xx
= to
< lvp
->v_xe
? to
: lvp
->v_xe
;
3070 if (lcv
->c_layer
&& yy
== lcv
->c_layer
->l_height
)
3073 SetRendition(&mchar_blank
);
3074 while (from
<= lvp
->v_xe
&& from
- lvp
->v_xoff
< lcv
->c_layer
->l_width
)
3079 if (from
>= lvp
->v_xe
+ 1)
3082 if (lcv
->c_layer
== 0 || yy
>= lcv
->c_layer
->l_height
|| from
- lvp
->v_xoff
>= lcv
->c_layer
->l_width
)
3085 DisplayLine(&mline_null
, &mline_blank
, y
, from
, lvp
->v_xe
);
3086 from
= lvp
->v_xe
+ 1;
3090 if (xx
- lvp
->v_xoff
>= lcv
->c_layer
->l_width
)
3091 xx
= lcv
->c_layer
->l_width
+ lvp
->v_xoff
- 1;
3093 flayer
= lcv
->c_layer
;
3094 cvlist
= flayer
->l_cvlist
;
3095 cvlnext
= lcv
->c_lnext
;
3096 flayer
->l_cvlist
= lcv
;
3098 LayRedisplayLine(yy
, from
- lvp
->v_xoff
, xx
- lvp
->v_xoff
, isblank
);
3099 flayer
->l_cvlist
= cvlist
;
3100 lcv
->c_lnext
= cvlnext
;
3105 if (!isblank
&& from
<= to
)
3106 DisplayLine(&mline_null
, &mline_blank
, y
, from
, to
);
3109 /*********************************************************************/
3111 /* clear lp_missing by writing the char on the screen. The
3112 * position must be safe.
3118 struct mchar oldrend
;
3121 ASSERT(D_lp_missing
);
3123 debug2("WriteLP(%d,%d)\n", x2
, y2
);
3130 D_lpchar
= mchar_blank
;
3133 /* Can't use PutChar */
3135 SetRendition(&D_lpchar
);
3136 PUTCHAR(D_lpchar
.image
);
3139 PUTCHAR(D_lpchar
.mbcs
);
3142 SetRendition(&oldrend
);
3146 ClearLine(oml
, y
, from
, to
, bce
)
3148 int from
, to
, y
, bce
;
3152 struct mchar bcechar
;
3155 debug3("ClearLine %d,%d-%d\n", y
, from
, to
);
3156 if (D_UT
) /* Safe to erase ? */
3157 SetRendition(&mchar_null
);
3162 if (from
== 0 && D_CB
&& (to
!= D_width
- 1 || (D_x
== to
&& D_y
== y
)) && (!bce
|| D_BE
))
3168 if (to
== D_width
- 1 && D_CE
&& (!bce
|| D_BE
))
3179 DisplayLine(oml
, &mline_blank
, y
, from
, to
);
3182 bcechar
= mchar_blank
;
3183 rend_setbg(&bcechar
, bce
);
3184 for (x
= from
; x
<= to
; x
++)
3185 copy_mchar2mline(&bcechar
, &mline_old
, x
);
3186 DisplayLine(oml
, &mline_old
, y
, from
, to
);
3188 DisplayLine(oml
, &mline_blank
, y
, from
, to
);
3193 DisplayLine(oml
, ml
, y
, from
, to
)
3194 struct mline
*oml
, *ml
;
3198 int last2flag
= 0, delete_lp
= 0;
3201 ASSERT(y
>= 0 && y
< D_height
);
3202 ASSERT(from
>= 0 && from
< D_width
);
3203 ASSERT(to
>= 0 && to
< D_width
);
3204 if (!D_CLP
&& y
== D_bot
&& to
== D_width
- 1)
3206 if (D_lp_missing
|| !cmp_mline(oml
, ml
, to
))
3209 if ((D_IC
|| D_IM
) && from
< to
&& !dw_left(ml
, to
, D_encoding
))
3211 if ((D_IC
|| D_IM
) && from
< to
)
3220 delete_lp
= !cmp_mchar_mline(&mchar_blank
, oml
, to
) && (D_CE
|| D_DC
|| D_CDC
);
3221 D_lp_missing
= !cmp_mchar_mline(&mchar_blank
, ml
, to
);
3222 copy_mline2mchar(&D_lpchar
, ml
, to
);
3230 /* finish dw-char (can happen after a wrap) */
3231 debug("DisplayLine finishing kanji\n");
3232 SetRenditionMline(ml
, from
);
3233 PUTCHAR(ml
->image
[from
]);
3237 for (x
= from
; x
<= to
; x
++)
3239 #if 0 /* no longer needed */
3240 if (x
|| D_x
!= D_width
|| D_y
!= y
- 1)
3243 if (x
< to
|| x
!= D_width
- 1 || ml
->image
[x
+ 1])
3244 if (cmp_mline(oml
, ml
, x
))
3249 if (dw_right(ml
, x
, D_encoding
))
3252 debug1("DisplayLine on right side of dw char- x now %d\n", x
);
3255 if (x
== to
&& dw_left(ml
, x
, D_encoding
))
3256 break; /* don't start new kanji */
3258 SetRenditionMline(ml
, x
);
3259 PUTCHAR(ml
->image
[x
]);
3261 if (dw_left(ml
, x
, D_encoding
))
3262 PUTCHAR(ml
->image
[++x
]);
3265 #if 0 /* not needed any longer */
3266 /* compare != 0 because ' ' can happen when clipping occures */
3267 if (to
== D_width
- 1 && y
< D_height
- 1 && D_x
== D_width
&& ml
->image
[to
+ 1])
3273 SetRenditionMline(ml
, x
+ 1);
3274 PUTCHAR(ml
->image
[x
+ 1]);
3276 SetRenditionMline(ml
, x
);
3277 INSERTCHAR(ml
->image
[x
]);
3282 SetRendition(&mchar_null
);
3299 PUTCHARLP(c
->image
);
3304 if (D_encoding
== UTF8
)
3313 InsChar(c
, x
, xe
, y
, oml
)
3319 if (y
== D_bot
&& !D_CLP
)
3321 if (x
== D_width
- 1)
3327 if (xe
== D_width
- 1)
3333 PUTCHARLP(c
->image
);
3336 if (!(D_IC
|| D_CIC
|| D_IM
) || xe
!= D_width
- 1)
3338 RefreshLine(y
, x
, xe
, 0);
3340 /* UpdateLine(oml, y, x, xe); */
3347 if (c
->mbcs
&& D_IC
)
3352 AddCStr2(D_CIC
, c
->mbcs
? 2 : 1);
3361 RAW_PUTCHAR(c
->image
);
3366 if (D_encoding
== UTF8
)
3369 if (D_x
== D_width
- 1)
3372 RAW_PUTCHAR(c
->mbcs
);
3378 WrapChar(c
, x
, y
, xs
, ys
, xe
, ye
, ins
)
3387 bce
= rend_getbg(c
);
3392 debug2(" x %d y %d", x
, y
);
3393 debug2(" Dx %d Dy %d", D_x
, D_y
);
3394 debug2(" xs %d ys %d", xs
, ys
);
3395 debug3(" xe %d ye %d ins %d\n", xe
, ye
, ins
);
3396 if (xs
!= 0 || x
!= D_width
|| !D_AM
)
3399 ScrollV(xs
, ys
, xe
, ye
, 1, bce
);
3400 else if (y
< D_height
- 1)
3403 InsChar(c
, xs
, xe
, y
, 0);
3408 if (y
== ye
) /* we have to scroll */
3410 debug("- scrolling\n");
3411 ChangeScrollRegion(ys
, ye
);
3412 if (D_bot
!= y
|| D_x
!= D_width
|| (!bce
&& !D_BE
))
3414 debug("- have to call ScrollV\n");
3415 ScrollV(xs
, ys
, xe
, ye
, 1, bce
);
3419 else if (y
== D_bot
) /* remove unusable region? */
3420 ChangeScrollRegion(0, D_height
- 1);
3421 if (D_x
!= D_width
|| D_y
!= y
)
3423 if (D_CLP
&& y
>= 0) /* don't even try if !LP */
3424 RefreshLine(y
, D_width
- 1, D_width
- 1, 0);
3425 debug2("- refresh last char -> x,y now %d,%d\n", D_x
, D_y
);
3426 if (D_x
!= D_width
|| D_y
!= y
) /* sorry, no bonus */
3429 ScrollV(xs
, ys
, xe
, ye
, 1, bce
);
3430 GotoPos(xs
, y
== ye
|| y
== D_height
- 1 ? y
: y
+ 1);
3433 debug("- writeing new char");
3434 if (y
!= ye
&& y
< D_height
- 1)
3436 if (ins
!= D_insert
)
3438 if (ins
&& !D_insert
)
3440 InsChar(c
, 0, xe
, y
, 0);
3441 debug2(" -> done with insert (%d,%d)\n", D_x
, D_y
);
3447 RAW_PUTCHAR(c
->image
);
3452 if (D_encoding
== UTF8
)
3455 RAW_PUTCHAR(c
->mbcs
);
3458 debug2(" -> done (%d,%d)\n", D_x
, D_y
);
3462 ResizeDisplay(wi
, he
)
3466 debug2("ResizeDisplay: to (%d,%d).\n", wi
, he
);
3467 if (D_width
== wi
&& D_height
== he
)
3469 debug("ResizeDisplay: No change\n");
3472 if (D_width
!= wi
&& (D_height
== he
|| !D_CWS
) && D_CZ0
&& (wi
== Z0width
|| wi
== Z1width
))
3474 debug("ResizeDisplay: using Z0/Z1\n");
3475 AddCStr(wi
== Z0width
? D_CZ0
: D_CZ1
);
3476 ChangeScreenSize(wi
, D_height
, 0);
3477 return (he
== D_height
) ? 0 : -1;
3481 debug("ResizeDisplay: using WS\n");
3482 AddCStr(tgoto(D_CWS
, wi
, he
));
3483 ChangeScreenSize(wi
, he
, 0);
3490 ChangeScrollRegion(newtop
, newbot
)
3495 if (newtop
== newbot
)
3496 return; /* xterm etc can't do it */
3500 newbot
= D_height
- 1;
3504 D_bot
= D_height
- 1;
3507 if (D_top
== newtop
&& D_bot
== newbot
)
3509 debug2("ChangeScrollRegion: (%d - %d)\n", newtop
, newbot
);
3510 AddCStr(tgoto(D_CS
, newbot
, newtop
));
3513 D_y
= D_x
= -1; /* Just in case... */
3522 static char oscs
[] = "1;\000\00020;\00039;\00049;\000";
3529 if (!D_xtermosc
[i
] && !*s
)
3532 s
= "screen"; /* always set icon name */
3534 s
= ""; /* no background */
3536 s
= "black"; /* black text */
3538 s
= "white"; /* on white background */
3541 AddStr(oscs
+ i
* 4);
3550 for (i
= 3; i
>= 0; i
--)
3556 * Output buffering routines
3568 if (D_encoding
== UTF8
)
3570 while ((c
= *str
++))
3571 AddUtf8((unsigned char)c
);
3575 while ((c
= *str
++))
3588 if (D_encoding
== UTF8
)
3590 while ((c
= *str
++) && n
-- > 0)
3591 AddUtf8((unsigned char)c
);
3595 while ((c
= *str
++) && n
-- > 0)
3608 l
= D_obufp
- D_obuf
;
3609 debug1("Flush(): %d\n", l
);
3612 ASSERT(l
+ D_obuffree
== D_obuflen
);
3620 if (fcntl(D_userfd
, F_SETFL
, 0))
3621 debug1("Warning: BLOCK fcntl failed: %d\n", errno
);
3625 wr
= write(D_userfd
, p
, l
);
3630 debug1("Writing to display: %d\n", errno
);
3641 if (fcntl(D_userfd
, F_SETFL
, FNBLOCK
))
3642 debug1("Warning: NBLOCK fcntl failed: %d\n", errno
);
3653 debug1("did freetty %d\n", D_userfd
);
3661 D_obuflenmax
= -D_obufmax
;
3667 * Asynchronous output routines by
3668 * Tim MacKenzie (tym@dibbler.cs.monash.edu.au)
3677 if (D_status_obuffree
>= 0)
3679 ASSERT(D_obuffree
== -1);
3684 gettimeofday(&now
, NULL
);
3685 ti
= (now
.tv_sec
- D_status_time
.tv_sec
) * 1000 + (now
.tv_usec
- D_status_time
.tv_usec
) / 1000;
3686 if (ti
< MsgMinWait
)
3687 DisplaySleep1000(MsgMinWait
- ti
, 0);
3690 if (--D_obuffree
> 0) /* redo AddChar decrement */
3693 if (D_obuflen
&& D_obuf
)
3695 ind
= D_obufp
- D_obuf
;
3697 D_obuffree
+= GRAIN
;
3698 D_obuf
= realloc(D_obuf
, D_obuflen
);
3705 D_obuf
= malloc(D_obuflen
);
3708 Panic(0, "Out of memory");
3709 D_obufp
= D_obuf
+ ind
;
3710 D_obuflenmax
= D_obuflen
- D_obufmax
;
3711 debug1("ResizeObuf: resized to %d\n", D_obuflen
);
3715 DisplaySleep1000(n
, eat
)
3727 debug("DisplaySleep has no display sigh\n");
3731 t
.tv_usec
= (n
% 1000) * 1000;
3732 t
.tv_sec
= n
/ 1000;
3734 FD_SET(D_userfd
, &r
);
3735 if (select(FD_SETSIZE
, &r
, (fd_set
*)0, (fd_set
*)0, &t
) > 0)
3737 debug("display activity stopped sleep\n");
3739 read(D_userfd
, &buf
, 1);
3741 debug2("DisplaySleep(%d) ending, eat was %d\n", n
, eat
);
3747 {/* Nuke pending output in current display, clear screen */
3749 int oldtop
= D_top
, oldbot
= D_bot
;
3750 struct mchar oldrend
;
3751 int oldkeypad
= D_keypad
, oldcursorkeys
= D_cursorkeys
;
3752 int oldcurvis
= D_curvis
;
3753 int oldmouse
= D_mouse
;
3756 len
= D_obufp
- D_obuf
;
3757 debug1("NukePending: nuking %d chars\n", len
);
3759 /* Throw away any output that we can... */
3761 tcflush(D_userfd
, TCOFLUSH
);
3764 (void) ioctl(D_userfd
, TCFLSH
, (char *) 1);
3773 /* Turn off all attributes. (Tim MacKenzie) */
3780 AddStr("\033[m"); /* why is D_ME not set? */
3785 /* Check for toggle */
3786 if (D_IM
&& strcmp(D_IM
, D_EI
))
3789 /* Check for toggle */
3791 if (D_KS
&& strcmp(D_KS
, D_KE
))
3793 if (D_CCS
&& strcmp(D_CCS
, D_CCE
))
3796 if (D_KS
&& strcmp(D_KS
, D_KE
))
3799 if (D_CCS
&& strcmp(D_CCS
, D_CCE
))
3804 D_rend
= mchar_null
;
3810 ChangeScrollRegion(oldtop
, oldbot
);
3811 SetRendition(&oldrend
);
3812 KeypadMode(oldkeypad
);
3813 CursorkeysMode(oldcursorkeys
);
3814 CursorVisibility(oldcurvis
);
3815 MouseMode(oldmouse
);
3818 debug("ResizeDisplay: using WS\n");
3819 AddCStr(tgoto(D_CWS
, D_width
, D_height
));
3821 else if (D_CZ0
&& (D_width
== Z0width
|| D_width
== Z1width
))
3823 debug("ResizeDisplay: using Z0/Z1\n");
3824 AddCStr(D_width
== Z0width
? D_CZ0
: D_CZ1
);
3827 #endif /* AUTO_NUKE */
3830 /* linux' select can't handle flow control, so wait 100ms if
3834 disp_writeev_eagain(ev
, data
)
3838 display
= (struct display
*)data
;
3840 D_writeev
.type
= EV_WRITE
;
3841 D_writeev
.handler
= disp_writeev_fn
;
3847 disp_writeev_fn(ev
, data
)
3851 int len
, size
= OUTPUT_BLOCK_SIZE
;
3853 display
= (struct display
*)data
;
3854 len
= D_obufp
- D_obuf
;
3858 size
= write(D_userfd
, D_obuf
, size
);
3864 bcopy(D_obuf
+ size
, D_obuf
, len
);
3865 debug2("ASYNC: wrote %d - remaining %d\n", size
, len
);
3871 D_blocked_fuzz
-= size
;
3872 if (D_blocked_fuzz
< 0)
3875 if (D_blockedev
.queued
)
3877 if (D_obufp
- D_obuf
> D_obufmax
/ 2)
3879 debug2("%s: resetting timeout to %g secs\n", D_usertty
, D_nonblock
/1000.);
3880 SetTimeout(&D_blockedev
, D_nonblock
);
3884 debug1("%s: deleting blocked timeout\n", D_usertty
);
3885 evdeq(&D_blockedev
);
3888 if (D_blocked
== 1 && D_obuf
== D_obufp
)
3890 /* empty again, restart output */
3891 debug1("%s: buffer empty, unblocking\n", D_usertty
);
3893 Activate(D_fore
? D_fore
->w_norefresh
: 0);
3894 D_blocked_fuzz
= D_obufp
- D_obuf
;
3900 /* linux flow control is badly broken */
3901 if (errno
== EAGAIN
)
3904 D_writeev
.type
= EV_TIMEOUT
;
3905 D_writeev
.handler
= disp_writeev_eagain
;
3906 SetTimeout(&D_writeev
, 100);
3910 if (errno
!= EINTR
&& errno
!= EAGAIN
)
3911 #if defined(EWOULDBLOCK) && (EWOULDBLOCK != EAGAIN)
3912 if (errno
!= EWOULDBLOCK
)
3914 Msg(errno
, "Error writing output to display");
3919 disp_readev_fn(ev
, data
)
3927 display
= (struct display
*)data
;
3929 /* Hmmmm... a bit ugly... */
3931 for (cv
= D_forecv
->c_layer
->l_cvlist
; cv
; cv
= cv
->c_lnext
)
3933 display
= cv
->c_display
;
3934 if (D_status
== STATUS_ON_WIN
)
3938 display
= (struct display
*)data
;
3945 size
= sizeof(D_fore
->w_pwin
->p_inbuf
) - D_fore
->w_pwin
->p_inlen
;
3948 size
= sizeof(D_fore
->w_inbuf
) - D_fore
->w_inlen
;
3954 size
= 1; /* Always allow one char for command keys */
3956 size
= read(D_userfd
, buf
, size
);
3959 if (errno
== EINTR
|| errno
== EAGAIN
)
3961 #if defined(EWOULDBLOCK) && (EWOULDBLOCK != EAGAIN)
3962 if (errno
== EWOULDBLOCK
)
3965 debug1("Read error: %d - hangup!\n", errno
);
3972 debug("Found EOF - hangup!\n");
3983 Activate(D_fore
? D_fore
->w_norefresh
: 0);
3988 if (D_blocked
> 1) /* 2, 3 */
3994 for (p
= windows
; p
; p
= p
->w_next
)
3995 if (p
->w_zdisplay
== display
)
3997 flayer
= &p
->w_layer
;
4000 LayProcess(&bufp
, &size
);
4003 debug("zmodem window gone, deblocking display");
4004 zmodem_abort(0, display
);
4010 D_fore
->w_lastdisp
= display
;
4011 if (D_mouse
&& D_forecv
)
4013 unsigned char *bp
= (unsigned char *)buf
;
4016 /* XXX this assumes that the string is read in as a whole... */
4017 for (i
= size
; i
> 0; i
--, bp
++)
4019 if (i
> 5 && bp
[0] == 033 && bp
[1] == '[' && bp
[2] == 'M')
4024 else if (i
< 5 || bp
[0] != 0233 || bp
[1] != 'M')
4028 if (x
>= D_forecv
->c_xs
&& x
<= D_forecv
->c_xe
&& y
>= D_forecv
->c_ys
&& y
<= D_forecv
->c_ye
)
4030 x
-= D_forecv
->c_xoff
;
4031 y
-= D_forecv
->c_yoff
;
4032 if (x
>= 0 && x
< D_forecv
->c_layer
->l_width
&& y
>= 0 && y
< D_forecv
->c_layer
->l_height
)
4043 bcopy((char *)bp
+ 1, (char *)bp
, i
);
4048 bcopy((char *)bp
+ 5, (char *)bp
, i
- 5);
4055 if (D_encoding
!= (D_forecv
? D_forecv
->c_layer
->l_encoding
: 0))
4058 char buf2
[IOSIZE
* 2 + 10];
4059 enc
= D_forecv
? D_forecv
->c_layer
->l_encoding
: 0;
4060 for (i
= j
= 0; i
< size
; i
++)
4062 c
= ((unsigned char *)buf
)[i
];
4063 c
= DecodeChar(c
, D_encoding
, &D_decodestate
);
4065 i
--; /* try char again */
4071 j
+= EncodeChar(buf2
+ j
, c
, enc
, &font
);
4072 j
+= EncodeChar(buf2
+ j
, -1, enc
, &font
);
4075 j
+= EncodeChar(buf2
+ j
, c
, enc
, 0);
4076 if (j
> (int)sizeof(buf2
) - 10) /* just in case... */
4079 (*D_processinput
)(buf2
, j
);
4083 (*D_processinput
)(buf
, size
);
4087 disp_status_fn(ev
, data
)
4091 display
= (struct display
*)data
;
4092 debug1("disp_status_fn for display %x\n", (int)display
);
4098 disp_hstatus_fn(ev
, data
)
4102 display
= (struct display
*)data
;
4103 if (D_status
== STATUS_ON_HS
)
4113 disp_blocked_fn(ev
, data
)
4119 display
= (struct display
*)data
;
4120 debug1("blocked timeout %s\n", D_usertty
);
4121 if (D_obufp
- D_obuf
> D_obufmax
+ D_blocked_fuzz
)
4123 debug("stopping output to display\n");
4125 /* re-enable all windows */
4126 for (p
= windows
; p
; p
= p
->w_next
)
4127 if (p
->w_readev
.condneg
== &D_obuflenmax
)
4129 debug1("freeing window #%d\n", p
->w_number
);
4130 p
->w_readev
.condpos
= p
->w_readev
.condneg
= 0;
4136 cv_winid_fn(ev
, data
)
4141 struct canvas
*cv
= (struct canvas
*)data
;
4143 display
= cv
->c_display
;
4144 if (D_status
== STATUS_ON_WIN
)
4152 if (cv
->c_ye
+ 1 < D_height
)
4153 RefreshLine(cv
->c_ye
+ 1, 0, D_width
- 1, 0);
4154 if (ox
!= -1 && oy
!= -1)
4160 disp_map_fn(ev
, data
)
4167 display
= (struct display
*)data
;
4168 debug("Flushing map sequence\n");
4171 p
= (char *)D_seqp
- l
;
4172 D_seqp
= D_kmaps
+ 3;
4174 if ((q
= D_seqh
) != 0)
4177 i
= q
[0] << 8 | q
[1];
4178 i
&= ~KMAP_NOTIMEOUT
;
4179 debug1("Mapping former hit #%d - ", i
);
4180 debug2("%d(%s) - ", q
[2], q
+ 3);
4182 ProcessInput2((char *)q
+ 3, q
[2]);
4195 disp_idle_fn(ev
, data
)
4199 struct display
*olddisplay
;
4200 display
= (struct display
*)data
;
4202 if (trigger_sevent(&display
->d_sev
.onidle
, display
))
4205 debug("idle timeout\n");
4206 if (idletimo
<= 0 || idleaction
.nr
== RC_ILLEGAL
)
4208 olddisplay
= display
;
4209 flayer
= D_forecv
->c_layer
;
4211 DoAction(&idleaction
, -1);
4212 if (idleaction
.nr
== RC_BLANKER
)
4214 for (display
= displays
; display
; display
= display
->d_next
)
4215 if (olddisplay
== display
)
4226 SetTimeout(&D_idleev
, idletimo
);
4227 if (!D_idleev
.queued
)
4238 disp_blanker_fn(ev
, data
)
4242 char buf
[IOSIZE
], *b
;
4245 display
= (struct display
*)data
;
4246 size
= read(D_blankerev
.fd
, buf
, IOSIZE
);
4249 evdeq(&D_blankerev
);
4250 close(D_blankerev
.fd
);
4251 D_blankerev
.fd
= -1;
4254 for (b
= buf
; size
; size
--)
4261 int oldtop
= D_top
, oldbot
= D_bot
;
4262 struct mchar oldrend
;
4264 if (D_blankerev
.fd
== -1)
4268 evdeq(&D_blankerev
);
4269 close(D_blankerev
.fd
);
4270 D_blankerev
.fd
= -1;
4271 Kill(D_blankerpid
, SIGHUP
);
4283 AddStr("\033[m\033[m"); /* why is D_ME not set? */
4290 D_rend
= mchar_null
;
4294 ChangeScrollRegion(oldtop
, oldbot
);
4295 SetRendition(&oldrend
);
4308 char libuf
[20], cobuf
[20];
4312 strcpy(termname
, "TERM=");
4313 strncpy(termname
+ 5, D_termname
, sizeof(termname
) - 6);
4314 termname
[sizeof(termname
) - 1] = 0;
4317 if ((D_blankerev
.fd
= OpenPTY(&m
)) == -1)
4319 Msg(0, "OpenPty failed");
4325 if ((slave
= open(m
, O_RDWR
|O_NOCTTY
)) == -1)
4327 Msg(errno
, "%s", m
);
4328 close(D_blankerev
.fd
);
4329 D_blankerev
.fd
= -1;
4334 switch (pid
= (int)fork())
4338 close(D_blankerev
.fd
);
4339 D_blankerev
.fd
= -1;
4344 if (dfp
&& dfp
!= stderr
)
4350 if (setgid(real_gid
) || setuid(real_uid
))
4351 Panic(errno
, "setuid/setgid");
4357 closeallfiles(slave
);
4358 if (open(m
, O_RDWR
))
4359 Panic(errno
, "Cannot open %s", m
);
4366 SetTTY(0, &D_OldMode
);
4371 glwz
.ws_col
= D_width
;
4372 glwz
.ws_row
= D_height
;
4373 (void)ioctl(0, TIOCSWINSZ
, (char *)&glwz
);
4375 sprintf(libuf
, "LINES=%d", D_height
);
4376 sprintf(cobuf
, "COLUMNS=%d", D_width
);
4381 signal(SIGPIPE
, SIG_DFL
);
4384 execvpe(*cmdv
, cmdv
, NewEnv
+ 3);
4385 Panic(errno
, "%s", *cmdv
);
4390 evenq(&D_blankerev
);
4397 struct layout
*layouts
;
4398 struct layout
*laytab
[MAXLAY
];
4399 struct layout
*layout_last
, layout_last_marker
;
4400 struct layout
*layout_attach
= &layout_last_marker
;
4406 struct canvas
*cnext
, *c
= cv
;
4407 for (; cv
; cv
= cnext
)
4411 FreeLayoutCv(cv
->c_slperp
);
4415 cnext
= cv
->c_slnext
;
4423 DupLayoutCv(cvf
, cvt
, save
)
4424 struct canvas
*cvf
, *cvt
;
4429 cvt
->c_slorient
= cvf
->c_slorient
;
4430 cvt
->c_slweight
= cvf
->c_slweight
;
4431 if (cvf
== D_forecv
)
4435 cvt
->c_display
= display
;
4438 cvt
->c_captev
.type
= EV_TIMEOUT
;
4439 cvt
->c_captev
.data
= (char *)cvt
;
4440 cvt
->c_captev
.handler
= cv_winid_fn
;
4441 cvt
->c_blank
.l_cvlist
= 0;
4442 cvt
->c_blank
.l_layfn
= &BlankLf
;
4443 cvt
->c_blank
.l_bottom
= &cvt
->c_blank
;
4445 cvt
->c_layer
= cvf
->c_layer
;
4449 struct win
*p
= cvf
->c_layer
? Layer2Window(cvf
->c_layer
) : 0;
4450 cvt
->c_layer
= p
? &p
->w_layer
: 0;
4454 cvt
->c_slperp
= (struct canvas
*)calloc(1, sizeof(struct canvas
));
4455 cvt
->c_slperp
->c_slback
= cvt
;
4456 CanvasInitBlank(cvt
->c_slperp
);
4457 DupLayoutCv(cvf
->c_slperp
, cvt
->c_slperp
, save
);
4461 cvt
->c_slnext
= (struct canvas
*)calloc(1, sizeof(struct canvas
));
4462 cvt
->c_slnext
->c_slprev
= cvt
;
4463 cvt
->c_slnext
->c_slback
= cvt
->c_slback
;
4464 CanvasInitBlank(cvt
->c_slnext
);
4466 cvf
= cvf
->c_slnext
;
4467 cvt
= cvt
->c_slnext
;
4476 for (; cv
; cv
= cv
->c_slnext
)
4480 PutWindowCv(cv
->c_slperp
);
4483 p
= cv
->c_layer
? (struct win
*)cv
->c_layer
->l_data
: 0;
4485 SetCanvasWindow(cv
, p
);
4490 CreateLayout(title
, startat
)
4497 if (startat
>= MAXLAY
|| startat
< 0)
4499 for (i
= startat
; ;)
4507 Msg(0, "No more layouts\n");
4511 lay
= (struct layout
*)calloc(1, sizeof(*lay
));
4512 lay
->lay_title
= SaveStr(title
);
4513 lay
->lay_autosave
= 1;
4514 lay
->lay_number
= i
;
4516 lay
->lay_next
= layouts
;
4522 SaveLayout(name
, cv
)
4528 for (lay
= layouts
; lay
; lay
= lay
->lay_next
)
4529 if (!strcmp(lay
->lay_title
, name
))
4532 FreeLayoutCv(&lay
->lay_canvas
);
4534 lay
= CreateLayout(name
, 0);
4538 DupLayoutCv(cv
, &lay
->lay_canvas
, 1);
4539 lay
->lay_forecv
= D_forecv
;
4549 if (!lay
|| !lay
->lay_autosave
)
4551 FreeLayoutCv(&lay
->lay_canvas
);
4553 DupLayoutCv(&D_canvas
, &lay
->lay_canvas
, 1);
4554 lay
->lay_forecv
= D_forecv
;
4565 for (i
= 0, s
= name
; *s
>= '0' && *s
<= '9'; s
++)
4566 i
= i
* 10 + (*s
- '0');
4567 if (!*s
&& s
!= name
&& i
>= 0 && i
< MAXLAY
)
4569 for (lay
= layouts
; lay
; lay
= lay
->lay_next
)
4570 if (!strcmp(lay
->lay_title
, name
))
4580 AutosaveLayout(D_layout
);
4583 while (D_canvas
.c_slperp
)
4584 FreeCanvas(D_canvas
.c_slperp
);
4585 MakeDefaultCanvas();
4586 SetCanvasWindow(D_forecv
, 0);
4590 while (D_canvas
.c_slperp
)
4591 FreeCanvas(D_canvas
.c_slperp
);
4593 D_forecv
= lay
->lay_forecv
;
4594 DupLayoutCv(&lay
->lay_canvas
, &D_canvas
, 0);
4595 D_canvas
.c_ye
= D_height
- 1 - ((D_canvas
.c_slperp
&& D_canvas
.c_slperp
->c_slnext
) || captionalways
) - (D_has_hstatus
== HSTATUS_LASTLINE
);
4596 ResizeCanvas(&D_canvas
);
4597 RecreateCanvasChain();
4598 RethinkDisplayViewports();
4599 PutWindowCv(&D_canvas
);
4600 ResizeLayersToCanvases();
4605 NewLayout(title
, startat
)
4612 lay
= CreateLayout(title
, startat
);
4615 LoadLayout(0, &D_canvas
);
4617 DupLayoutCv(&D_canvas
, &lay
->lay_canvas
, 1);
4618 lay
->lay_forecv
= D_forecv
;
4621 lay
->lay_autosave
= 1;
4625 AddLayoutsInfo(buf
, len
, where
)
4631 struct layout
*p
, **pp
;
4635 for (pp
= laytab
; pp
< laytab
+ MAXLAY
; pp
++)
4637 if (pp
- laytab
== where
&& ss
== buf
)
4645 if (s
- buf
+ l
> len
- 24)
4652 sprintf(s
, "%d", p
->lay_number
);
4653 if (p
->lay_number
== where
)
4656 if (display
&& p
== D_layout
)
4677 Msg(0, "No layouts defined\n");
4680 if (where
== -1 && D_layout
)
4681 where
= D_layout
->lay_number
;
4682 ss
= AddLayoutsInfo(buf
, sizeof(buf
), where
);
4683 s
= buf
+ strlen(buf
);
4684 if (ss
- buf
> D_width
/ 2)
4687 if (s
- ss
< D_width
)
4703 struct layout
**layp
= &layouts
;
4705 for (; *layp
; layp
= &(*layp
)->lay_next
)
4709 *layp
= lay
->lay_next
;
4713 laytab
[lay
->lay_number
] = (struct layout
*)0;
4715 if (display
&& D_layout
== lay
)
4716 D_layout
= (struct layout
*)0;
4718 FreeLayoutCv(&lay
->lay_canvas
);
4721 free(lay
->lay_title
);
4723 broker_inv_obj(lay
);
4728 LoadLayout((display
&& D_layout
) ? D_layout
: *layp
? *layp
: layouts
,
4729 display
? &D_canvas
: (struct canvas
*)0);