1 /* Copyright (c) 1993-2002
2 * Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
3 * Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
4 * Copyright (c) 1987 Oliver Laumann
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2, or (at your option)
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program (see the file COPYING); if not, write to the
18 * Free Software Foundation, Inc.,
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
21 ****************************************************************
24 #include <sys/types.h>
28 # include <sys/ioctl.h>
36 static int CountChars
__P((int));
37 static int DoAddChar
__P((int));
38 static int BlankResize
__P((int, int));
39 static int CallRewrite
__P((int, int, int, int));
40 static void FreeCanvas
__P((struct canvas
*));
41 static void disp_readev_fn
__P((struct event
*, char *));
42 static void disp_writeev_fn
__P((struct event
*, char *));
44 static void disp_writeev_eagain
__P((struct event
*, char *));
46 static void disp_status_fn
__P((struct event
*, char *));
47 static void disp_hstatus_fn
__P((struct event
*, char *));
48 static void disp_blocked_fn
__P((struct event
*, char *));
49 static void cv_winid_fn
__P((struct event
*, char *));
51 static void disp_map_fn
__P((struct event
*, char *));
53 static void disp_idle_fn
__P((struct event
*, char *));
55 static void disp_blanker_fn
__P((struct event
*, char *));
57 static void WriteLP
__P((int, int));
58 static void INSERTCHAR
__P((int));
59 static void RAW_PUTCHAR
__P((int));
61 static void SetBackColor
__P((int));
63 static void FreePerp
__P((struct canvas
*));
64 static struct canvas
*AddPerp
__P((struct canvas
*));
67 extern struct layer
*flayer
;
68 extern struct win
*windows
, *fore
;
69 extern struct LayFuncs WinLf
;
71 extern int use_hardstatus
;
72 extern int MsgWait
, MsgMinWait
;
73 extern int Z0width
, Z1width
;
74 extern unsigned char *blank
, *null
;
75 extern struct mline mline_blank
, mline_null
, mline_old
;
76 extern struct mchar mchar_null
, mchar_blank
, mchar_so
;
77 extern struct NewWindow nwin_default
;
78 extern struct action idleaction
;
80 /* XXX shouldn't be here */
81 extern char *hstatusstring
;
82 extern char *captionstring
;
88 extern int pty_preopen
;
89 #if defined(TIOCSWINSZ) || defined(TIOCGWINSZ)
90 extern struct winsize glwz
;
93 extern int real_uid
, real_gid
;
97 * tputs needs this to calculate the padding
101 #endif /* NEED_OSPEED */
105 struct display
*display
, *displays
;
107 int attr2color
[8][4];
112 struct display TheDisplay
;
118 int defobuflimit
= OBUF_MAX
;
119 int defnonblock
= -1;
124 int hardstatusemu
= HSTATUS_IGNORE
;
126 int focusminwidth
, focusminheight
;
129 * Default layer management
133 DefProcess(bufp
, lenp
)
142 DefRedisplayLine(y
, xs
, xe
, isblank
)
143 int y
, xs
, xe
, isblank
;
145 if (isblank
== 0 && y
>= 0)
146 DefClearLine(y
, xs
, xe
, 0);
150 DefClearLine(y
, xs
, xe
, bce
)
153 LClearLine(flayer
, y
, xs
, xe
, bce
, (struct mline
*)0);
158 DefRewrite(y
, xs
, xe
, rend
, doit
)
176 LAY_DISPLAYS(flayer
, InsertMode(0));
177 /* ChangeScrollRegion(0, D_height - 1); */
178 LKeypadMode(flayer
, 0);
179 LCursorkeysMode(flayer
, 0);
180 LCursorVisibility(flayer
, 0);
181 LMouseMode(flayer
, 0);
182 LSetRendition(flayer
, &mchar_null
);
183 LSetFlow(flayer
, nwin_default
.flowflag
& FLOW_NOW
);
187 * Blank layer management
190 struct LayFuncs BlankLf
=
206 flayer
->l_width
= wi
;
207 flayer
->l_height
= he
;
213 * Generate new display, start with a blank layer.
214 * The termcap arrays are not initialised here.
215 * The new display is placed in the displays list.
219 MakeDisplay(uname
, utty
, term
, fd
, pid
, Mode
)
220 char *uname
, *utty
, *term
;
225 struct baud_values
*b
;
227 if (!*(u
= FindUserPtr(uname
)) && UserAdd(uname
, (char *)0, u
))
228 return 0; /* could not find or add user */
231 if ((display
= (struct display
*)calloc(1, sizeof(*display
))) == 0)
236 bzero((char *)&TheDisplay
, sizeof(TheDisplay
));
237 display
= &TheDisplay
;
239 display
->d_next
= displays
;
242 D_nonblock
= defnonblock
;
244 D_readev
.fd
= D_writeev
.fd
= fd
;
245 D_readev
.type
= EV_READ
;
246 D_writeev
.type
= EV_WRITE
;
247 D_readev
.data
= D_writeev
.data
= (char *)display
;
248 D_readev
.handler
= disp_readev_fn
;
249 D_writeev
.handler
= disp_writeev_fn
;
251 D_writeev
.condpos
= &D_obuflen
;
252 D_writeev
.condneg
= &D_obuffree
;
254 D_statusev
.type
= EV_TIMEOUT
;
255 D_statusev
.data
= (char *)display
;
256 D_statusev
.handler
= disp_status_fn
;
257 D_hstatusev
.type
= EV_TIMEOUT
;
258 D_hstatusev
.data
= (char *)display
;
259 D_hstatusev
.handler
= disp_hstatus_fn
;
260 D_blockedev
.type
= EV_TIMEOUT
;
261 D_blockedev
.data
= (char *)display
;
262 D_blockedev
.handler
= disp_blocked_fn
;
263 D_blockedev
.condpos
= &D_obuffree
;
264 D_blockedev
.condneg
= &D_obuflenmax
;
265 D_hstatusev
.handler
= disp_hstatus_fn
;
267 D_mapev
.type
= EV_TIMEOUT
;
268 D_mapev
.data
= (char *)display
;
269 D_mapev
.handler
= disp_map_fn
;
271 D_idleev
.type
= EV_TIMEOUT
;
272 D_idleev
.data
= (char *)display
;
273 D_idleev
.handler
= disp_idle_fn
;
275 D_blankerev
.type
= EV_READ
;
276 D_blankerev
.data
= (char *)display
;
277 D_blankerev
.handler
= disp_blanker_fn
;
281 D_status_obuffree
= -1;
282 Resize_obuf(); /* Allocate memory for buffer */
283 D_obufmax
= defobuflimit
;
284 D_obuflenmax
= D_obuflen
- D_obufmax
;
286 D_auto_nuke
= defautonuke
;
293 if ((b
= lookup_baud((int)cfgetospeed(&D_OldMode
.tio
))))
297 if ((b
= lookup_baud(D_OldMode
.tio
.c_cflag
& CBAUD
)))
300 D_dospeed
= (short)D_OldMode
.m_ttyb
.sg_ospeed
;
303 debug1("New displays ospeed = %d\n", D_dospeed
);
305 strncpy(D_usertty
, utty
, sizeof(D_usertty
) - 1);
306 D_usertty
[sizeof(D_usertty
) - 1] = 0;
307 strncpy(D_termname
, term
, sizeof(D_termname
) - 1);
308 D_termname
[sizeof(D_termname
) - 1] = 0;
310 D_processinput
= ProcessInput
;
320 struct display
*d
, **dp
;
334 SetTTY(D_userfd
, &D_OldMode
);
335 fcntl(D_userfd
, F_SETFL
, 0);
341 if (D_processinputdata
)
342 free(D_processinputdata
);
343 D_processinputdata
= 0;
368 if (bd
.bd_dpy
== display
)
370 bd
.bd_start_braille
= 0;
376 for (dp
= &displays
; (d
= *dp
) ; dp
= &d
->d_next
)
380 if (D_status_lastmsg
)
381 free(D_status_lastmsg
);
384 *dp
= display
->d_next
;
386 ASSERT(display
== displays
);
387 ASSERT(display
== &TheDisplay
);
391 while (D_canvas
.c_slperp
)
392 FreeCanvas(D_canvas
.c_slperp
);
395 for (p
= windows
; p
; p
= p
->w_next
)
397 if (p
->w_pdisplay
== display
)
399 if (p
->w_lastdisp
== display
)
401 if (p
->w_readev
.condneg
== &D_status
|| p
->w_readev
.condneg
== &D_obuflenmax
)
402 p
->w_readev
.condpos
= p
->w_readev
.condneg
= 0;
405 for (p
= windows
; p
; p
= p
->w_next
)
406 if (p
->w_zdisplay
== display
)
410 free((char *)display
);
421 if ((cv
= (struct canvas
*)calloc(1, sizeof *cv
)) == 0)
424 cv
->c_xe
= D_width
- 1;
426 cv
->c_ye
= D_height
- 1 - (D_has_hstatus
== HSTATUS_LASTLINE
) - captionalways
;
427 debug2("MakeDefaultCanvas 0,0 %d,%d\n", cv
->c_xe
, cv
->c_ye
);
431 cv
->c_display
= display
;
437 cv
->c_slback
= &D_canvas
;
438 D_canvas
.c_slperp
= cv
;
439 D_canvas
.c_xs
= cv
->c_xs
;
440 D_canvas
.c_xe
= cv
->c_xe
;
441 D_canvas
.c_ys
= cv
->c_ys
;
442 D_canvas
.c_ye
= cv
->c_ye
;
443 cv
->c_slorient
= SLICE_UNKN
;
444 cv
->c_captev
.type
= EV_TIMEOUT
;
445 cv
->c_captev
.data
= (char *)cv
;
446 cv
->c_captev
.handler
= cv_winid_fn
;
448 cv
->c_blank
.l_cvlist
= cv
;
449 cv
->c_blank
.l_width
= cv
->c_xe
- cv
->c_xs
+ 1;
450 cv
->c_blank
.l_height
= cv
->c_ye
- cv
->c_ys
+ 1;
451 cv
->c_blank
.l_x
= cv
->c_blank
.l_y
= 0;
452 cv
->c_blank
.l_layfn
= &BlankLf
;
453 cv
->c_blank
.l_data
= 0;
454 cv
->c_blank
.l_next
= 0;
455 cv
->c_blank
.l_bottom
= &cv
->c_blank
;
456 cv
->c_blank
.l_blocking
= 0;
457 cv
->c_layer
= &cv
->c_blank
;
461 RethinkDisplayViewports();
462 D_forecv
= cv
; /* default input focus */
466 static struct canvas
**
467 CreateCanvasChainRec(cv
, cvp
)
471 for (; cv
; cv
= cv
->c_slnext
)
474 cvp
= CreateCanvasChainRec(cv
->c_slperp
, cvp
);
485 RecreateCanvasChain()
488 cvp
= CreateCanvasChainRec(D_canvas
.c_slperp
, &D_cvlist
);
496 struct viewport
*vp
, *nvp
;
501 cv
->c_slprev
->c_slnext
= cv
->c_slnext
;
503 cv
->c_slnext
->c_slprev
= cv
->c_slprev
;
504 if (cv
->c_slback
&& cv
->c_slback
->c_slperp
== cv
)
505 cv
->c_slback
->c_slperp
= cv
->c_slnext
;
509 FreeCanvas(cv
->c_slperp
);
518 /* remove from canvas chain as SetCanvasWindow might call
519 * some layer function */
520 for (cvp
= &D_cvlist
; *cvp
; cvp
= &(*cvp
)->c_next
)
527 p
= cv
->c_layer
? Layer2Window(cv
->c_layer
) : 0;
528 SetCanvasWindow(cv
, 0);
530 WindowChanged(p
, 'u');
531 if (flayer
== cv
->c_layer
)
533 for (vp
= cv
->c_vplist
; vp
; vp
= nvp
)
540 evdeq(&cv
->c_captev
);
549 for (; cv
; cv
= cv
->c_slnext
)
555 for (cvp
= cv
->c_slperp
; cvp
; cvp
= cvp
->c_slnext
)
558 n
= CountCanvas(cvp
->c_slperp
);
576 for (cvp
= cv
->c_slperp
; cvp
; cvp
= cvp
->c_slnext
)
579 n
= CountCanvas(cvp
->c_slperp
);
587 EqualizeCanvas(cv
, gflag
)
592 for (; cv
; cv
= cv
->c_slnext
)
594 if (cv
->c_slperp
&& gflag
)
596 cv
->c_slweight
= CountCanvasPerp(cv
);
597 for (cv2
= cv
->c_slperp
; cv2
; cv2
= cv2
->c_slnext
)
599 EqualizeCanvas(cv2
->c_slperp
, gflag
);
610 struct canvas
*cv2
, *cvn
, *fcv
;
611 int nh
, i
, maxi
, hh
, m
, w
, wsum
;
621 debug2("ResizeCanvas: %d,%d", xs
, ys
);
622 debug2(" %d,%d\n", xe
, ye
);
625 if (cv
->c_slorient
== SLICE_UNKN
)
627 ASSERT(!cv
->c_slnext
&& !cv
->c_slperp
);
632 cv
->c_xoff
= cv
->c_xs
;
633 cv
->c_yoff
= cv
->c_ys
;
638 if (focusminwidth
|| focusminheight
)
640 debug("searching for focus canvas\n");
642 while (cv2
->c_slback
)
644 if (cv2
->c_slback
== cv
->c_slback
)
647 focusmin
= cv
->c_slorient
== SLICE_VERT
? focusminheight
: focusminwidth
;
650 else if (focusmin
< 0)
651 focusmin
= cv
->c_slorient
== SLICE_VERT
? ye
- ys
+ 2 : xe
- xs
+ 2;
652 debug1("found, focusmin=%d\n", focusmin
);
659 m
= CountCanvas(cv
) * 2;
660 nh
= cv
->c_slorient
== SLICE_VERT
? ye
- ys
+ 2 : xe
- xs
+ 2;
666 debug1("corrected to %d\n", focusmin
);
669 /* pass 1: calculate weight sum */
670 for (cv2
= cv
, wsum
= 0; cv2
; cv2
= cv2
->c_slnext
)
672 debug1(" weight %d\n", cv2
->c_slweight
);
673 wsum
+= cv2
->c_slweight
;
675 debug1("wsum = %d\n", wsum
);
680 /* pass 2: calculate need/excess space */
681 nh
= cv
->c_slorient
== SLICE_VERT
? ye
- ys
+ 2 : xe
- xs
+ 2;
682 for (cv2
= cv
, need
= got
= 0; cv2
; cv2
= cv2
->c_slnext
)
684 m
= cv2
->c_slperp
? CountCanvasPerp(cv2
) * 2 - 1 : 1;
687 hh
= cv2
->c_slweight
? nh
* cv2
->c_slweight
/ w
: 0;
688 w
-= cv2
->c_slweight
;
690 debug2(" should %d min %d\n", hh
, m
);
696 debug2("need: %d, got %d\n", need
, got
);
700 /* pass 3: distribute space */
701 nh
= cv
->c_slorient
== SLICE_VERT
? ye
- ys
+ 2 : xe
- xs
+ 2;
702 i
= cv
->c_slorient
== SLICE_VERT
? ys
: xs
;
703 maxi
= cv
->c_slorient
== SLICE_VERT
? ye
: xe
;
710 if (cv
->c_slprev
&& !cv
->c_slback
->c_slback
&& !cv
->c_slprev
->c_slperp
&& !cv
->c_slprev
->c_slprev
)
712 cv
->c_slprev
->c_slorient
= SLICE_UNKN
;
715 cv
->c_slback
->c_ye
++;
716 cv
->c_slprev
->c_ye
++;
719 SetCanvasWindow(cv
, 0);
723 m
= cv
->c_slperp
? CountCanvasPerp(cv
) * 2 - 1 : 1;
726 hh
= cv
->c_slweight
? nh
* cv
->c_slweight
/ w
: 0;
729 debug2(" should %d min %d\n", hh
, m
);
733 debug1(" -> %d\n", hh
);
737 int hx
= need
* (hh
- m
- 1) / got
;
738 debug3(" -> %d - %d = %d\n", hh
, hx
, hh
- hx
);
742 debug2(" now need=%d got=%d\n", need
, got
);
745 /* hh is window size plus pation line */
746 if (i
+ hh
> maxi
+ 2)
749 debug1(" not enough space, reducing to %d\n", hh
);
751 if (i
+ hh
== maxi
+ 1)
754 debug(" incrementing as no other canvas will fit\n");
756 if (cv
->c_slorient
== SLICE_VERT
)
761 cv
->c_ye
= i
+ hh
- 2;
768 cv
->c_xe
= i
+ hh
- 2;
774 cv
->c_xoff
= cv
->c_xs
;
775 cv
->c_yoff
= cv
->c_ys
;
779 if (!cv
->c_slperp
->c_slnext
)
781 debug("deleting perp node\n");
782 FreePerp(cv
->c_slperp
);
790 static struct canvas
*
795 debug("Creating new perp node\n");
796 if ((pcv
= (struct canvas
*)calloc(1, sizeof *cv
)) == 0)
799 pcv
->c_display
= cv
->c_display
;
800 pcv
->c_slnext
= cv
->c_slnext
;
801 pcv
->c_slprev
= cv
->c_slprev
;
803 pcv
->c_slback
= cv
->c_slback
;
804 if (cv
->c_slback
&& cv
->c_slback
->c_slperp
== cv
)
805 cv
->c_slback
->c_slperp
= pcv
;
806 pcv
->c_slorient
= cv
->c_slorient
;
809 pcv
->c_xs
= cv
->c_xs
;
810 pcv
->c_xe
= cv
->c_xe
;
811 pcv
->c_ys
= cv
->c_ys
;
812 pcv
->c_ye
= cv
->c_ye
;
814 pcv
->c_slnext
->c_slprev
= pcv
;
816 pcv
->c_slprev
->c_slnext
= pcv
;
817 pcv
->c_slweight
= cv
->c_slweight
;
823 cv
->c_slorient
= SLICE_UNKN
;
836 cv
->c_slprev
= pcv
->c_slprev
;
838 cv
->c_slprev
->c_slnext
= cv
;
839 cv
->c_slback
= pcv
->c_slback
;
840 if (cv
->c_slback
&& cv
->c_slback
->c_slperp
== pcv
)
841 cv
->c_slback
->c_slperp
= cv
;
842 cv
->c_slorient
= pcv
->c_slorient
;
843 cv
->c_slweight
= pcv
->c_slweight
;
847 cv
->c_slorient
= pcv
->c_slorient
;
848 cv
->c_slback
= pcv
->c_slback
;
849 cv
->c_slweight
= pcv
->c_slweight
;
851 cv
->c_slnext
= pcv
->c_slnext
;
853 cv
->c_slnext
->c_slprev
= cv
;
866 debug2("AddCanvas orient %d, forecv is %d\n", orient
, cv
->c_slorient
);
868 if (cv
->c_slorient
!= SLICE_UNKN
&& cv
->c_slorient
!= orient
)
873 xs
= cv
->c_slback
->c_xs
;
874 xe
= cv
->c_slback
->c_xe
;
875 ys
= cv
->c_slback
->c_ys
;
876 ye
= cv
->c_slback
->c_ye
;
877 if (!captionalways
&& cv
== D_canvas
.c_slperp
&& !cv
->c_slnext
)
878 ye
--; /* need space for caption */
879 debug2("Adding Canvas to slice %d,%d ", xs
, ys
);
880 debug2("%d,%d\n", xe
, ye
);
882 num
= CountCanvas(cv
->c_slback
->c_slperp
) + 1;
883 debug1("Num = %d\n", num
);
884 if (orient
== SLICE_VERT
)
891 return -1; /* can't fit in */
893 if ((cv
= (struct canvas
*)calloc(1, sizeof *cv
)) == 0)
896 D_forecv
->c_slback
->c_ye
= ye
; /* in case we modified it above */
897 D_forecv
->c_slorient
= orient
; /* in case it was UNKN */
898 cv
->c_slnext
= D_forecv
->c_slnext
;
899 cv
->c_slprev
= D_forecv
;
900 D_forecv
->c_slnext
= cv
;
902 cv
->c_slnext
->c_slprev
= cv
;
903 cv
->c_slorient
= orient
;
904 cv
->c_slback
= D_forecv
->c_slback
;
912 cv
->c_display
= display
;
914 cv
->c_captev
.type
= EV_TIMEOUT
;
915 cv
->c_captev
.data
= (char *)cv
;
916 cv
->c_captev
.handler
= cv_winid_fn
;
918 cv
->c_blank
.l_cvlist
= cv
;
919 cv
->c_blank
.l_width
= cv
->c_xe
- cv
->c_xs
+ 1;
920 cv
->c_blank
.l_height
= cv
->c_ye
- cv
->c_ys
+ 1;
921 cv
->c_blank
.l_x
= cv
->c_blank
.l_y
= 0;
922 cv
->c_blank
.l_layfn
= &BlankLf
;
923 cv
->c_blank
.l_data
= 0;
924 cv
->c_blank
.l_next
= 0;
925 cv
->c_blank
.l_bottom
= &cv
->c_blank
;
926 cv
->c_blank
.l_blocking
= 0;
927 cv
->c_layer
= &cv
->c_blank
;
933 EqualizeCanvas(cv
->c_slperp
, 0);
935 RecreateCanvasChain();
936 RethinkDisplayViewports();
937 ResizeLayersToCanvases();
947 debug("RemCanvas\n");
949 if (cv
->c_slorient
== SLICE_UNKN
)
955 if (!cv
->c_slnext
->c_slnext
&& cv
->c_slback
->c_slback
)
957 /* two canvases in slice, kill perp node */
959 debug("deleting perp node\n");
960 FreePerp(cv
->c_slprev
? cv
->c_slprev
: cv
->c_slnext
);
961 FreePerp(cv
->c_slback
);
963 xs
= cv
->c_slback
->c_xs
;
964 xe
= cv
->c_slback
->c_xe
;
965 ys
= cv
->c_slback
->c_ys
;
966 ye
= cv
->c_slback
->c_ye
;
969 D_forecv
= cv
->c_slprev
;
971 D_forecv
= cv
->c_slnext
;
975 while (D_forecv
->c_slperp
)
976 D_forecv
= D_forecv
->c_slperp
;
978 /* if only one canvas left, set orient back to unknown */
979 if (!cv
->c_slnext
&& !cv
->c_slprev
&& !cv
->c_slback
->c_slback
)
981 cv
->c_slorient
= SLICE_UNKN
;
983 cv
->c_slback
->c_ye
= ++ye
; /* caption line no longer needed */
986 EqualizeCanvas(cv
->c_slperp
, 0);
989 D_fore
= Layer2Window(D_forecv
->c_layer
);
990 flayer
= D_forecv
->c_layer
;
992 RecreateCanvasChain();
993 RethinkDisplayViewports();
994 ResizeLayersToCanvases();
1000 struct canvas
*cv
= D_forecv
, *ocv
= 0;
1005 cv
->c_slprev
->c_slnext
= cv
->c_slnext
;
1010 cv
->c_slnext
->c_slprev
= cv
->c_slprev
;
1014 if (cv
->c_slback
&& cv
->c_slback
->c_slperp
== cv
)
1015 cv
->c_slback
->c_slperp
= ocv
;
1016 cv
->c_slorient
= SLICE_UNKN
;
1017 while (D_canvas
.c_slperp
)
1018 FreeCanvas(D_canvas
.c_slperp
);
1020 D_canvas
.c_slperp
= cv
;
1021 cv
->c_slback
= &D_canvas
;
1024 ASSERT(!cv
->c_slperp
);
1026 D_canvas
.c_ye
++; /* caption line no longer needed */
1027 ResizeCanvas(&D_canvas
);
1028 RecreateCanvasChain();
1029 RethinkDisplayViewports();
1030 ResizeLayersToCanvases();
1034 RethinkDisplayViewports()
1037 struct viewport
*vp
, *vpn
;
1039 /* free old viewports */
1040 for (cv
= display
->d_cvlist
; cv
; cv
= cv
->c_next
)
1042 for (vp
= cv
->c_vplist
; vp
; vp
= vpn
)
1046 bzero((char *)vp
, sizeof(*vp
));
1051 display
->d_vpxmin
= -1;
1052 display
->d_vpxmax
= -1;
1054 for (cv
= display
->d_cvlist
; cv
; cv
= cv
->c_next
)
1056 if ((vp
= (struct viewport
*)malloc(sizeof *vp
)) == 0)
1060 vp
->v_xs
= cv
->c_xs
;
1061 vp
->v_ys
= (cv
->c_ys
+ cv
->c_ye
) / 2;
1062 vp
->v_xe
= cv
->c_xe
;
1063 vp
->v_ye
= cv
->c_ye
;
1064 vp
->v_xoff
= cv
->c_xoff
;
1065 vp
->v_yoff
= cv
->c_yoff
;
1066 vp
->v_next
= cv
->c_vplist
;
1069 if ((vp
= (struct viewport
*)malloc(sizeof *vp
)) == 0)
1072 vp
->v_xs
= (cv
->c_xs
+ cv
->c_xe
) / 2;
1073 vp
->v_ys
= (3 * cv
->c_ys
+ cv
->c_ye
) / 4;
1074 vp
->v_xe
= cv
->c_xe
;
1075 vp
->v_ye
= (cv
->c_ys
+ cv
->c_ye
) / 2 - 1;
1076 vp
->v_xoff
= cv
->c_xoff
;
1077 vp
->v_yoff
= cv
->c_yoff
;
1078 vp
->v_next
= cv
->c_vplist
;
1081 if ((vp
= (struct viewport
*)malloc(sizeof *vp
)) == 0)
1084 vp
->v_xs
= cv
->c_xs
;
1085 vp
->v_ys
= (3 * cv
->c_ys
+ cv
->c_ye
) / 4;
1086 vp
->v_xe
= (3 * cv
->c_xs
+ cv
->c_xe
) / 4 - 1;
1087 vp
->v_ye
= (cv
->c_ys
+ cv
->c_ye
) / 2 - 1;
1088 vp
->v_xoff
= cv
->c_xoff
;
1089 vp
->v_yoff
= cv
->c_yoff
;
1090 vp
->v_next
= cv
->c_vplist
;
1093 if ((vp
= (struct viewport
*)malloc(sizeof *vp
)) == 0)
1096 vp
->v_xs
= cv
->c_xs
;
1097 vp
->v_ys
= cv
->c_ys
;
1098 vp
->v_xe
= cv
->c_xe
;
1099 vp
->v_ye
= (3 * cv
->c_ys
+ cv
->c_ye
) / 4 - 1;
1100 vp
->v_xoff
= cv
->c_xoff
;
1101 vp
->v_yoff
= cv
->c_yoff
;
1102 vp
->v_next
= cv
->c_vplist
;
1106 vp
->v_xs
= cv
->c_xs
;
1107 vp
->v_ys
= cv
->c_ys
;
1108 vp
->v_xe
= cv
->c_xe
;
1109 vp
->v_ye
= cv
->c_ye
;
1110 vp
->v_xoff
= cv
->c_xoff
;
1111 vp
->v_yoff
= cv
->c_yoff
;
1112 vp
->v_next
= cv
->c_vplist
;
1116 if (cv
->c_xs
< display
->d_vpxmin
|| display
->d_vpxmin
== -1)
1117 display
->d_vpxmin
= cv
->c_xs
;
1118 if (cv
->c_xe
> display
->d_vpxmax
|| display
->d_vpxmax
== -1)
1119 display
->d_vpxmax
= cv
->c_xe
;
1125 RethinkViewportOffsets(cv
)
1128 struct viewport
*vp
;
1130 for (vp
= cv
->c_vplist
; vp
; vp
= vp
->v_next
)
1132 vp
->v_xoff
= cv
->c_xoff
;
1133 vp
->v_yoff
= cv
->c_yoff
;
1138 * if the adaptflag is on, we keep the size of this display, else
1139 * we may try to restore our old window sizes.
1150 /* Check for toggle */
1151 if (D_IM
&& strcmp(D_IM
, D_EI
))
1158 /* Check for toggle */
1159 if (D_KS
&& strcmp(D_KS
, D_KE
))
1161 if (D_CCS
&& strcmp(D_CCS
, D_CCE
))
1169 D_rend
= mchar_null
;
1172 ResizeDisplay(D_defwidth
, D_defheight
);
1173 ChangeScrollRegion(0, D_height
- 1);
1177 debug1("we %swant to adapt all our windows to the display\n",
1178 (adapt
) ? "" : "don't ");
1179 /* In case the size was changed by a init sequence */
1180 CheckScreenSize((adapt
) ? 2 : 0);
1192 ResizeDisplay(D_defwidth
, D_defheight
);
1194 ChangeScrollRegion(0, D_height
- 1);
1197 CursorVisibility(0);
1199 SetRendition(&mchar_null
);
1206 ShowHStatus((char *)0);
1211 GotoPos(0, D_height
- 1);
1225 if (!D_insert
&& D_x
< D_width
- 1)
1239 RefreshLine(D_y
, D_x
, D_width
-1, 0);
1251 if (D_insert
&& D_x
< D_width
- 1)
1260 if (D_x
< D_width
- 1)
1267 if (D_CLP
|| D_y
!= D_bot
)
1272 GotoPos(D_width
- 1, y
);
1275 debug("PUTCHARLP: lp_missing!\n");
1280 /* XXX -> PutChar ? */
1284 D_lpchar
.image
= D_mbcs
;
1292 * RAW_PUTCHAR() is for all text that will be displayed.
1293 * NOTE: charset Nr. 0 has a conversion table, but c1, c2, ... don't.
1304 if (D_encoding
== UTF8
)
1306 c
= (c
& 255) | (unsigned char)D_rend
.font
<< 8;
1312 D_x
+= D_AM
? 1 : -1;
1315 else if (utf8_isdouble(c
))
1324 AddCStr2(D_CS0
, '0');
1334 if (is_dw_font(D_rend
.font
))
1344 if (D_x
== D_width
- 1)
1345 D_x
+= D_AM
? 1 : -1;
1350 # if defined(ENCODINGS) && defined(DW_CHARS)
1352 c
= PrepareEncodedChar(c
);
1357 if (D_xtable
&& D_xtable
[(int)(unsigned char)D_rend
.font
] && D_xtable
[(int)(unsigned char)D_rend
.font
][(int)(unsigned char)c
])
1358 AddStr(D_xtable
[(int)(unsigned char)D_rend
.font
][(int)(unsigned char)c
]);
1360 AddChar(D_rend
.font
!= '0' ? c
: D_c0_tab
[(int)(unsigned char)c
]);
1368 if (++D_x
>= D_width
)
1372 else if (!D_CLP
|| D_x
> D_width
)
1375 if (D_y
< D_height
-1 && D_y
!= D_bot
)
1393 /* this is for ESC-sequences only (AddChar is a macro) */
1402 if (display
&& s
&& *s
)
1405 tputs(s
, 1, DoAddChar
);
1414 if (display
&& s
&& *s
)
1417 tputs(tgoto(s
, 0, c
), 1, DoAddChar
);
1422 /* Insert mode is a toggle on some terminals, so we need this hack:
1428 if (display
&& on
!= D_insert
&& D_IM
)
1438 /* ...and maybe keypad application mode is a toggle, too:
1448 if (display
&& D_keypad
!= on
&& D_KS
)
1467 if (display
&& D_cursorkeys
!= on
&& D_CCS
)
1482 if (display
&& D_revvid
!= on
&& D_CVR
)
1496 if (display
&& D_curvis
!= v
)
1499 AddCStr(D_VE
); /* do this always, just to be safe */
1501 if (v
== -1 && D_VI
)
1503 else if (v
== 1 && D_VS
)
1515 if (display
&& D_mouse
!= mode
)
1522 sprintf(mousebuf
, "\033[?%dl", D_mouse
);
1527 sprintf(mousebuf
, "\033[?%dh", mode
);
1554 tputs(s
, 1, CountChars
);
1562 CallRewrite(y
, xs
, xe
, doit
)
1563 int y
, xs
, xe
, doit
;
1565 struct canvas
*cv
, *cvlist
, *cvlnext
;
1566 struct viewport
*vp
;
1567 struct layer
*oldflayer
;
1570 debug3("CallRewrite %d %d %d\n", y
, xs
, xe
);
1575 for (cv
= D_cvlist
; cv
; cv
= cv
->c_next
)
1577 if (y
< cv
->c_ys
|| y
> cv
->c_ye
|| xe
< cv
->c_xs
|| xs
> cv
->c_xe
)
1579 for (vp
= cv
->c_vplist
; vp
; vp
= vp
->v_next
)
1580 if (y
>= vp
->v_ys
&& y
<= vp
->v_ye
&& xe
>= vp
->v_xs
&& xs
<= vp
->v_xe
)
1588 flayer
= cv
->c_layer
;
1589 cvlist
= flayer
->l_cvlist
;
1590 cvlnext
= cv
->c_lnext
;
1591 flayer
->l_cvlist
= cv
;
1593 LayRewrite(y
- vp
->v_yoff
, xs
- vp
->v_xoff
, xe
- vp
->v_xoff
, &D_rend
, 1);
1594 flayer
->l_cvlist
= cvlist
;
1595 cv
->c_lnext
= cvlnext
;
1599 if (cv
== 0 || cv
->c_layer
== 0)
1600 return EXPENSIVE
; /* not found or nothing on it */
1601 if (xs
< vp
->v_xs
|| xe
> vp
->v_xe
)
1602 return EXPENSIVE
; /* crosses viewport boundaries */
1603 if (y
- vp
->v_yoff
< 0 || y
- vp
->v_yoff
>= cv
->c_layer
->l_height
)
1604 return EXPENSIVE
; /* line not on layer */
1605 if (xs
- vp
->v_xoff
< 0 || xe
- vp
->v_xoff
>= cv
->c_layer
->l_width
)
1606 return EXPENSIVE
; /* line not on layer */
1608 if (D_encoding
== UTF8
)
1612 flayer
= cv
->c_layer
;
1613 debug3("Calling Rewrite %d %d %d\n", y
- vp
->v_yoff
, xs
- vp
->v_xoff
, xe
- vp
->v_xoff
);
1614 cost
= LayRewrite(y
- vp
->v_yoff
, xs
- vp
->v_xoff
, xe
- vp
->v_xoff
, &D_rend
, 0);
1617 cost
+= D_EIcost
+ D_IMcost
;
1626 register int dy
, dx
, x1
, y1
;
1627 register int costx
, costy
;
1631 enum move_t xm
= M_NONE
, ym
= M_NONE
;
1642 x1
= -1; /* don't know how the terminal treats this */
1650 if (dy
== 0 && dx
== 0)
1652 debug2("GotoPos (%d,%d)", x1
, y1
);
1653 debug2(" -> (%d,%d)\n", x2
, y2
);
1654 if (!D_MS
) /* Safe to move ? */
1655 SetRendition(&mchar_null
);
1656 if (y1
< 0 /* don't know the y position */
1657 || (y2
> D_bot
&& y1
<= D_bot
) /* have to cross border */
1658 || (y2
< D_top
&& y1
>= D_top
)) /* of scrollregion ? */
1661 if (D_HO
&& !x2
&& !y2
)
1664 AddCStr(tgoto(D_CM
, x2
, y2
));
1670 /* some scrollregion implementations don't allow movements
1671 * away from the region. sigh.
1673 if ((y1
> D_bot
&& y2
> y1
) || (y1
< D_top
&& y2
< y1
))
1676 /* Calculate CMcost */
1677 if (D_HO
&& !x2
&& !y2
)
1680 s
= tgoto(D_CM
, x2
, y2
);
1681 CMcost
= CalcCost(s
);
1683 /* Calculate the cost to move the cursor to the right x position */
1685 if (x1
>= 0) /* relativ x positioning only if we know where we are */
1689 if (D_CRI
&& (dx
> 1 || !D_ND
))
1691 costx
= CalcCost(tgoto(D_CRI
, 0, dx
));
1694 if ((m
= D_NDcost
* dx
) < costx
)
1699 /* Speedup: dx <= LayRewrite() */
1700 if (dx
< costx
&& (m
= CallRewrite(y1
, x1
, x2
- 1, 0)) < costx
)
1708 if (D_CLE
&& (dx
< -1 || !D_BC
))
1710 costx
= CalcCost(tgoto(D_CLE
, 0, -dx
));
1713 if ((m
= -dx
* D_LEcost
) < costx
)
1722 /* Speedup: LayRewrite() >= x2 */
1723 if (x2
+ D_CRcost
< costx
&& (m
= (x2
? CallRewrite(y1
, 0, x2
- 1, 0) : 0) + D_CRcost
) < costx
)
1729 /* Check if it is already cheaper to do CM */
1730 if (costx
>= CMcost
)
1733 /* Calculate the cost to move the cursor to the right y position */
1737 if (D_CDO
&& dy
> 1) /* DO & NL are always != 0 */
1739 costy
= CalcCost(tgoto(D_CDO
, 0, dy
));
1742 if ((m
= dy
* ((x2
== 0) ? D_NLcost
: D_DOcost
)) < costy
)
1750 if (D_CUP
&& (dy
< -1 || !D_UP
))
1752 costy
= CalcCost(tgoto(D_CUP
, 0, -dy
));
1755 if ((m
= -dy
* D_UPcost
) < costy
)
1764 /* Finally check if it is cheaper to do CM */
1765 if (costx
+ costy
>= CMcost
)
1775 AddCStr2(D_CLE
, -dx
);
1782 AddCStr2(D_CRI
, dx
);
1791 (void) CallRewrite(y1
, x1
, x2
- 1, 1);
1804 AddCStr2(D_CUP
, -dy
);
1807 s
= (x2
== 0) ? D_NL
: D_DO
;
1812 AddCStr2(D_CDO
, dy
);
1825 ClearArea(0, 0, 0, D_width
- 1, D_width
- 1, D_height
- 1, 0, 0);
1829 ClearArea(x1
, y1
, xs
, xe
, x2
, y2
, bce
, uselayfn
)
1830 int x1
, y1
, xs
, xe
, x2
, y2
, bce
, uselayfn
;
1834 struct viewport
*vp
;
1836 debug2("Clear %d,%d", x1
, y1
);
1837 debug2(" %d-%d", xs
, xe
);
1838 debug2(" %d,%d", x2
, y2
);
1839 debug2(" uselayfn=%d bce=%d\n", uselayfn
, bce
);
1849 if (D_UT
) /* Safe to erase ? */
1850 SetRendition(&mchar_null
);
1855 if (D_lp_missing
&& y1
<= D_bot
&& xe
>= D_width
- 1)
1857 if (y2
> D_bot
|| (y2
== D_bot
&& x2
>= D_width
- 1))
1860 if (x2
== D_width
- 1 && (xs
== 0 || y1
== y2
) && xe
== D_width
- 1 && y2
== D_height
- 1 && (!bce
|| D_BE
))
1863 if (x1
== 0 && y1
== 0 && D_auto_nuke
)
1866 if (x1
== 0 && y1
== 0 && D_CL
)
1873 * Workaround a hp700/22 terminal bug. Do not use CD where CE
1874 * is also appropriate.
1876 if (D_CD
&& (y1
< y2
|| !D_CE
))
1883 if (x1
== 0 && xs
== 0 && (xe
== D_width
- 1 || y1
== y2
) && y1
== 0 && D_CCD
&& (!bce
|| D_BE
))
1890 for (y
= y1
; y
<= y2
; y
++, x1
= xs
)
1894 if (x1
== 0 && D_CB
&& (xxe
!= D_width
- 1 || (D_x
== xxe
&& D_y
== y
)) && (!bce
|| D_BE
))
1900 if (xxe
== D_width
- 1 && D_CE
&& (!bce
|| D_BE
))
1909 for (cv
= D_cvlist
; cv
; cv
= cv
->c_next
)
1911 if (y
< cv
->c_ys
|| y
> cv
->c_ye
|| xxe
< cv
->c_xs
|| x1
> cv
->c_xe
)
1913 for (vp
= cv
->c_vplist
; vp
; vp
= vp
->v_next
)
1914 if (y
>= vp
->v_ys
&& y
<= vp
->v_ye
&& xxe
>= vp
->v_xs
&& x1
<= vp
->v_xe
)
1919 if (cv
&& cv
->c_layer
&& x1
>= vp
->v_xs
&& xxe
<= vp
->v_xe
&&
1920 y
- vp
->v_yoff
>= 0 && y
- vp
->v_yoff
< cv
->c_layer
->l_height
&&
1921 xxe
- vp
->v_xoff
>= 0 && x1
- vp
->v_xoff
< cv
->c_layer
->l_width
)
1923 struct layer
*oldflayer
= flayer
;
1924 struct canvas
*cvlist
, *cvlnext
;
1925 flayer
= cv
->c_layer
;
1926 cvlist
= flayer
->l_cvlist
;
1927 cvlnext
= cv
->c_lnext
;
1928 flayer
->l_cvlist
= cv
;
1930 LayClearLine(y
- vp
->v_yoff
, x1
- vp
->v_xoff
, xxe
- vp
->v_xoff
, bce
);
1931 flayer
->l_cvlist
= cvlist
;
1932 cv
->c_lnext
= cvlnext
;
1937 ClearLine((struct mline
*)0, y
, x1
, xxe
, bce
);
1943 * if cur_only > 0, we only redisplay current line, as a full refresh is
1944 * too expensive over a low baud line.
1952 /* XXX do em all? */
1954 ChangeScrollRegion(0, D_height
- 1);
1957 CursorVisibility(0);
1959 SetRendition(&mchar_null
);
1966 if (cur_only
> 0 && D_fore
)
1967 RefreshArea(0, D_fore
->w_y
, D_width
- 1, D_fore
->w_y
, 1);
1971 CV_CALL(D_forecv
, LayRestore();LaySetCursor());
1975 RedisplayDisplays(cur_only
)
1978 struct display
*olddisplay
= display
;
1979 for (display
= displays
; display
; display
= display
->d_next
)
1980 Redisplay(cur_only
);
1981 display
= olddisplay
;
1987 ScrollH(y
, xs
, xe
, n
, bce
, oml
)
1988 int y
, xs
, xe
, n
, bce
;
1995 if (xe
!= D_width
- 1)
1997 RefreshLine(y
, xs
, xe
, 0);
1998 /* UpdateLine(oml, y, xs, xe); */
2003 SetRendition(&mchar_null
);
2010 if (n
>= xe
- xs
+ 1)
2012 if (D_CDC
&& !(n
== 1 && D_DC
))
2021 RefreshLine(y
, xs
, xe
, 0);
2022 /* UpdateLine(oml, y, xs, xe); */
2028 if (-n
>= xe
- xs
+ 1)
2032 if (D_CIC
&& !(n
== -1 && D_IC
))
2033 AddCStr2(D_CIC
, -n
);
2042 SetRendition(&mchar_null
);
2048 bce
= 0; /* all done */
2052 /* UpdateLine(oml, y, xs, xe); */
2053 RefreshLine(y
, xs
, xe
, 0);
2059 SetRendition(&mchar_null
);
2065 bce
= 0; /* all done */
2071 ClearLine((struct mline
*)0, y
, xe
- n
+ 1, xe
, bce
);
2073 ClearLine((struct mline
*)0, y
, xs
, xs
- n
- 1, bce
);
2075 if (D_lp_missing
&& y
== D_bot
)
2078 WriteLP(D_width
- 1 - n
, y
);
2084 ScrollV(xs
, ys
, xe
, ye
, n
, bce
)
2085 int xs
, ys
, xe
, ye
, n
, bce
;
2090 int alok
, dlok
, aldlfaster
;
2096 if (n
>= ye
- ys
+ 1 || -n
>= ye
- ys
+ 1)
2098 ClearArea(xs
, ys
, xs
, xe
, xe
, ye
, bce
, 0);
2101 if (xs
> D_vpxmin
|| xe
< D_vpxmax
)
2103 RefreshArea(xs
, ys
, xe
, ye
, 0);
2109 if (D_bot
> ye
|| D_bot
< ys
)
2114 if (missy
> ye
|| missy
< ys
)
2125 if (n
>= ye
- ys
+ 1)
2130 if (ys
< D_top
|| D_bot
!= ye
)
2131 ChangeScrollRegion(ys
, ye
);
2132 alok
= (D_AL
|| D_CAL
|| (ys
>= D_top
&& ye
== D_bot
&& up
));
2133 dlok
= (D_DL
|| D_CDL
|| (ys
>= D_top
&& ye
== D_bot
&& !up
));
2134 if (D_top
!= ys
&& !(alok
&& dlok
))
2135 ChangeScrollRegion(ys
, ye
);
2139 (oldbot
== D_bot
&& up
&& D_top
== ys
&& D_bot
== ye
)))
2141 WriteLP(D_width
- 1, oldbot
);
2142 if (oldbot
== D_bot
) /* have scrolled */
2147 ChangeScrollRegion(oldtop, oldbot);
2150 ClearLine((struct mline
*)0, ye
, xs
, xe
, bce
);
2157 SetRendition(&mchar_null
);
2163 aldlfaster
= (n
> 1 && ys
>= D_top
&& ye
== D_bot
&& ((up
&& D_CDL
) || (!up
&& D_CAL
)));
2165 if ((up
|| D_SR
) && D_top
== ys
&& D_bot
== ye
&& !aldlfaster
)
2170 for(i
= n
; i
-- > 0; )
2171 AddCStr(D_NL
); /* was SF, I think NL is faster */
2176 for(i
= n
; i
-- > 0; )
2180 else if (alok
&& dlok
)
2182 if (up
|| ye
!= D_bot
)
2184 GotoPos(0, up
? ys
: ye
+1-n
);
2185 if (D_CDL
&& !(n
== 1 && D_DL
))
2191 if (!up
|| ye
!= D_bot
)
2193 GotoPos(0, up
? ye
+1-n
: ys
);
2194 if (D_CAL
&& !(n
== 1 && D_AL
))
2203 RefreshArea(xs
, ys
, xe
, ye
, 0);
2209 ClearArea(xs
, ye
- n
+ 1, xs
, xe
, xe
, ye
, bce
, 0);
2211 ClearArea(xs
, ys
, xs
, xe
, xe
, ys
+ n
- 1, bce
, 0);
2213 if (D_lp_missing
&& missy
!= D_bot
)
2214 WriteLP(D_width
- 1, missy
);
2216 ChangeScrollRegion(oldtop, oldbot);
2217 if (D_lp_missing && missy != D_bot)
2218 WriteLP(D_width - 1, missy);
2226 register int i
, j
, old
, typ
;
2228 if (!display
|| (old
= D_rend
.attr
) == new)
2231 D_col16change
= (old
^ new) & (A_BFG
| A_BBG
);
2232 new ^= D_col16change
;
2236 #if defined(TERMINFO) && defined(USE_SGR)
2242 tputs(tparm(D_SA
, new & A_SO
, new & A_US
, new & A_RV
, new & A_BL
,
2243 new & A_DI
, new & A_BD
, 0 , 0 ,
2249 rend_setdefault(&D_rend
);
2256 if ((new & old
) != old
)
2266 /* ansi attrib handling: \E[m resets color, too */
2268 rend_setdefault(&D_rend
);
2273 /* D_ME may also reset the alternate charset */
2285 for (i
= 0, j
= 1; old
&& i
< NATTR
; i
++, j
<<= 1)
2292 AddCStr(D_attrtab
[i
]);
2293 typ
|= D_attrtyp
[i
];
2304 int old
= D_rend
.font
;
2305 if (!display
|| old
== new)
2309 if (D_encoding
&& CanEncodeFont(D_encoding
, new))
2311 if (new == D_realfont
)
2315 if (D_xtable
&& D_xtable
[(int)(unsigned char)new] &&
2316 D_xtable
[(int)(unsigned char)new][256])
2318 AddCStr(D_xtable
[(int)(unsigned char)new][256]);
2322 if (!D_CG0
&& new != '0')
2341 AddCStr2(D_CS0
, new);
2356 jj
= (jj
- 232) / 6;
2357 jj
= (jj
& 1) << 3 | (jj
& 2 ? 7 : 0);
2365 min
= r
< g
? (r
< b
? r
: b
) : (g
< b
? g
: b
);
2366 max
= r
> g
? (r
> b
? r
: b
) : (g
> b
? g
: b
);
2368 jj
= ((max
+ 1) & 2) << 2 | ((max
+ 1) & 4 ? 7 : 0);
2370 jj
= (b
- min
) / (max
- min
) << 2 | (g
- min
) / (max
- min
) << 1 | (r
-
2371 min
) / (max
- min
) | (max
> 3 ? 8 : 0);
2384 return (jj
- 232) / 3 + 80;
2391 return ((r
+ 1) / 2) * 16 + ((g
+ 1) / 2) * 4 + ((b
+ 1) / 2) + 16;
2402 static unsigned char sftrans
[8] = {0,4,2,6,1,5,3,7};
2407 of
= rend_getfg(&D_rend
);
2408 ob
= rend_getbg(&D_rend
);
2411 /* intense default not invented yet */
2417 debug2("SetColor %d %d", coli2e(of
), coli2e(ob
));
2418 debug2(" -> %d %d\n", coli2e(f
), coli2e(b
));
2419 debug2("(%d %d", of
, ob
);
2420 debug2(" -> %d %d)\n", f
, b
);
2422 if (!D_CAX
&& D_hascolor
&& ((f
== 0 && f
!= of
) || (b
== 0 && b
!= ob
)))
2429 oattr
= D_rend
.attr
;
2430 AddCStr(D_ME
? D_ME
: "\033[m");
2434 /* D_ME may also reset the alternate charset */
2447 rend_setfg(&D_rend
, f
);
2448 rend_setbg(&D_rend
, b
);
2454 f
= f
? coli2e(f
) : -1;
2455 b
= b
? coli2e(b
) : -1;
2456 of
= of
? coli2e(of
) : -1;
2457 ob
= ob
? coli2e(ob
) : -1;
2459 if (f
!= of
&& f
> 15 && D_CCO
!= 256)
2460 f
= D_CCO
== 88 && D_CAF
? color256to88(f
) : color256to16(f
);
2461 if (f
!= of
&& f
> 15 && D_CAF
)
2466 if (b
!= ob
&& b
> 15 && D_CCO
!= 256)
2467 b
= D_CCO
== 88 && D_CAB
? color256to88(b
) : color256to16(b
);
2468 if (b
!= ob
&& b
> 15 && D_CAB
)
2474 if (f
!= of
&& f
!= (of
| 8))
2477 AddCStr("\033[39m"); /* works because AX is set */
2479 AddCStr2(D_CAF
, f
& 7);
2481 AddCStr2(D_CSF
, sftrans
[f
& 7]);
2483 if (b
!= ob
&& b
!= (ob
| 8))
2486 AddCStr("\033[49m"); /* works because AX is set */
2488 AddCStr2(D_CAB
, b
& 7);
2490 AddCStr2(D_CSB
, sftrans
[b
& 7]);
2493 if (f
!= of
&& D_CXT
&& (f
& 8) != 0 && f
!= -1)
2496 AddCStr2("\033[9%p1%dm", f
& 7);
2498 AddCStr2("\033[9%dm", f
& 7);
2501 if (b
!= ob
&& D_CXT
&& (b
& 8) != 0 && b
!= -1)
2504 AddCStr2("\033[10%p1%dm", b
& 7);
2506 AddCStr2("\033[10%dm", b
& 7);
2518 SetColor(rend_getfg(&D_rend
), new);
2528 if (nattr2color
&& D_hascolor
&& (mc
->attr
& nattr2color
) != 0)
2530 static struct mchar mmc
;
2533 for (i
= 0; i
< 8; i
++)
2534 if (attr2color
[i
] && (mc
->attr
& (1 << i
)) != 0)
2536 if (mc
->color
== 0 && attr2color
[i
][3])
2537 ApplyAttrColor(attr2color
[i
][3], &mmc
);
2538 else if ((mc
->color
& 0x0f) == 0 && attr2color
[i
][2])
2539 ApplyAttrColor(attr2color
[i
][2], &mmc
);
2540 else if ((mc
->color
& 0xf0) == 0 && attr2color
[i
][1])
2541 ApplyAttrColor(attr2color
[i
][1], &mmc
);
2543 ApplyAttrColor(attr2color
[i
][0], &mmc
);
2546 debug2("SetRendition: mapped to %02x %02x\n", (unsigned char)mc
->attr
, 0x99 - (unsigned char)mc
->color
);
2548 if (D_hascolor
&& D_CC8
&& (mc
->attr
& (A_BFG
|A_BBG
)))
2551 if ((mc
->attr
& A_BFG
) && D_MD
)
2553 if ((mc
->attr
& A_BBG
) && D_MB
)
2555 if (D_rend
.attr
!= a
)
2558 else if (D_rend
.attr
!= mc
->attr
)
2561 if (D_rend
.color
!= mc
->color
2563 || D_rend
.colorx
!= mc
->colorx
2569 SetColor(rend_getfg(mc
), rend_getbg(mc
));
2572 if (D_rend
.font
!= mc
->font
)
2578 SetRenditionMline(ml
, x
)
2584 if (nattr2color
&& D_hascolor
&& (ml
->attr
[x
] & nattr2color
) != 0)
2587 copy_mline2mchar(&mc
, ml
, x
);
2591 if (D_hascolor
&& D_CC8
&& (ml
->attr
[x
] & (A_BFG
|A_BBG
)))
2593 int a
= ml
->attr
[x
];
2594 if ((ml
->attr
[x
] & A_BFG
) && D_MD
)
2596 if ((ml
->attr
[x
] & A_BBG
) && D_MB
)
2598 if (D_rend
.attr
!= a
)
2601 else if (D_rend
.attr
!= ml
->attr
[x
])
2602 SetAttr(ml
->attr
[x
]);
2604 if (D_rend
.color
!= ml
->color
[x
]
2606 || D_rend
.colorx
!= ml
->colorx
[x
]
2614 copy_mline2mchar(&mc
, ml
, x
);
2615 SetColor(rend_getfg(&mc
), rend_getbg(&mc
));
2619 if (D_rend
.font
!= ml
->font
[x
])
2620 SetFont(ml
->font
[x
]);
2628 register char *s
, *t
;
2638 debug("tc not inited, just writing msg\n");
2639 if (D_processinputdata
)
2640 return; /* XXX: better */
2646 if (!use_hardstatus
|| !D_HS
)
2653 max
= D_WS
> 0 ? D_WS
: (D_width
- !D_CLP
);
2657 if (strcmp(msg
, D_status_lastmsg
) == 0)
2659 debug("same message - increase timeout");
2660 SetTimeout(&D_statusev
, MsgWait
);
2667 gettimeofday(&now
, NULL
);
2668 ti
= (now
.tv_sec
- D_status_time
.tv_sec
) * 1000 + (now
.tv_usec
- D_status_time
.tv_usec
) / 1000;
2669 if (ti
< MsgMinWait
)
2670 DisplaySleep1000(MsgMinWait
- ti
, 0);
2674 for (s
= t
= msg
; *s
&& t
- msg
< max
; ++s
)
2677 else if ((unsigned char)*s
>= ' ' && *s
!= 0177)
2682 if (t
- msg
>= D_status_buflen
)
2685 if (D_status_lastmsg
)
2686 buf
= realloc(D_status_lastmsg
, t
- msg
+ 1);
2688 buf
= malloc(t
- msg
+ 1);
2691 D_status_lastmsg
= buf
;
2692 D_status_buflen
= t
- msg
+ 1;
2695 if (t
- msg
< D_status_buflen
)
2696 strcpy(D_status_lastmsg
, msg
);
2697 D_status_len
= t
- msg
;
2698 D_status_lastx
= D_x
;
2699 D_status_lasty
= D_y
;
2700 if (!use_hardstatus
|| D_has_hstatus
== HSTATUS_IGNORE
|| D_has_hstatus
== HSTATUS_MESSAGE
)
2702 D_status
= STATUS_ON_WIN
;
2703 debug1("using STATLINE %d\n", STATLINE
);
2704 GotoPos(0, STATLINE
);
2705 SetRendition(&mchar_so
);
2708 if (D_status_len
< max
)
2710 /* Wayne Davison: add extra space for readability */
2712 SetRendition(&mchar_null
);
2714 if (D_status_len
< max
)
2726 D_status
= STATUS_ON_HS
;
2732 if (D_status
== STATUS_ON_WIN
)
2734 struct display
*olddisplay
= display
;
2735 struct layer
*oldflayer
= flayer
;
2737 ASSERT(D_obuffree
== D_obuflen
);
2738 /* this is copied over from RemoveStatus() */
2740 GotoPos(0, STATLINE
);
2741 RefreshLine(STATLINE
, 0, D_status_len
- 1, 0);
2742 GotoPos(D_status_lastx
, D_status_lasty
);
2743 flayer
= D_forecv
? D_forecv
->c_layer
: 0;
2746 display
= olddisplay
;
2748 D_status_obuflen
= D_obuflen
;
2749 D_status_obuffree
= D_obuffree
;
2750 D_obuffree
= D_obuflen
= 0;
2751 D_status
= STATUS_ON_WIN
;
2753 gettimeofday(&D_status_time
, NULL
);
2754 SetTimeout(&D_statusev
, MsgWait
);
2757 RefreshBraille(); /* let user see multiple Msg()s */
2764 struct display
*olddisplay
;
2765 struct layer
*oldflayer
;
2770 if (!(where
= D_status
))
2773 debug("RemoveStatus\n");
2774 if (D_status_obuffree
>= 0)
2776 D_obuflen
= D_status_obuflen
;
2777 D_obuffree
= D_status_obuffree
;
2778 D_status_obuffree
= -1;
2783 olddisplay
= display
;
2785 if (where
== STATUS_ON_WIN
)
2787 GotoPos(0, STATLINE
);
2788 RefreshLine(STATLINE
, 0, D_status_len
- 1, 0);
2789 GotoPos(D_status_lastx
, D_status_lasty
);
2793 flayer
= D_forecv
? D_forecv
->c_layer
: 0;
2796 display
= olddisplay
;
2800 /* refresh the display's hstatus line */
2807 if (D_status
== STATUS_ON_WIN
&& D_has_hstatus
== HSTATUS_LASTLINE
&& STATLINE
== D_height
-1)
2808 return; /* sorry, in use */
2812 if (D_HS
&& D_has_hstatus
== HSTATUS_HS
)
2814 if (!D_hstatus
&& (str
== 0 || *str
== 0))
2816 debug("ShowHStatus: using HS\n");
2817 SetRendition(&mchar_null
);
2822 if (str
== 0 || *str
== 0)
2825 max
= D_WS
> 0 ? D_WS
: (D_width
- !D_CLP
);
2826 if ((int)strlen(str
) > max
)
2833 else if (D_has_hstatus
== HSTATUS_LASTLINE
)
2835 debug("ShowHStatus: using last line\n");
2838 str
= str
? str
: "";
2842 GotoPos(0, D_height
- 1);
2843 SetRendition(captionalways
|| D_cvlist
== 0 || D_cvlist
->c_next
? &mchar_null
: &mchar_so
);
2844 PutWinMsg(str
, 0, l
);
2845 if (!captionalways
&& D_cvlist
&& !D_cvlist
->c_next
)
2846 while (l
++ < D_width
)
2849 ClearArea(l
, D_height
- 1, l
, D_width
- 1, D_width
- 1, D_height
- 1, 0, 0);
2850 if (ox
!= -1 && oy
!= -1)
2852 D_hstatus
= *str
? 1 : 0;
2853 SetRendition(&mchar_null
);
2855 else if (str
&& *str
&& D_has_hstatus
== HSTATUS_MESSAGE
)
2857 debug("ShowHStatus: using message\n");
2864 * Refreshes the harstatus of the fore window. Shouldn't be here...
2871 evdeq(&D_hstatusev
);
2872 if (D_status
== STATUS_ON_HS
)
2874 buf
= MakeWinMsgEv(hstatusstring
, D_fore
, '%', (D_HS
&& D_has_hstatus
== HSTATUS_HS
&& D_WS
> 0) ? D_WS
: D_width
- !D_CLP
, &D_hstatusev
, 0);
2878 if (D_has_hstatus
!= HSTATUS_IGNORE
&& D_hstatusev
.timeout
.tv_sec
)
2879 evenq(&D_hstatusev
);
2882 ShowHStatus((char *)0);
2885 /*********************************************************************/
2887 * Here come the routines that refresh an arbitrary part of the screen.
2897 debug("Signalling full refresh!\n");
2898 for (cv
= D_cvlist
; cv
; cv
= cv
->c_next
)
2900 CV_CALL(cv
, LayRedisplayLine(-1, -1, -1, isblank
));
2901 display
= cv
->c_display
; /* just in case! */
2903 RefreshArea(0, 0, D_width
- 1, D_height
- 1, isblank
);
2907 RefreshArea(xs
, ys
, xe
, ye
, isblank
)
2908 int xs
, ys
, xe
, ye
, isblank
;
2912 debug2("Refresh Area: %d,%d", xs
, ys
);
2913 debug3(" - %d,%d (isblank=%d)\n", xe
, ye
, isblank
);
2914 if (!isblank
&& xs
== 0 && xe
== D_width
- 1 && ye
== D_height
- 1 && (ys
== 0 || D_CD
))
2916 ClearArea(xs
, ys
, xs
, xe
, xe
, ye
, 0, 0);
2919 for (y
= ys
; y
<= ye
; y
++)
2920 RefreshLine(y
, xs
, xe
, isblank
);
2924 RefreshLine(y
, from
, to
, isblank
)
2925 int y
, from
, to
, isblank
;
2927 struct viewport
*vp
, *lvp
;
2928 struct canvas
*cv
, *lcv
, *cvlist
, *cvlnext
;
2929 struct layer
*oldflayer
;
2936 debug2("RefreshLine %d %d", y
, from
);
2937 debug2(" %d %d\n", to
, isblank
);
2939 if (D_status
== STATUS_ON_WIN
&& y
== STATLINE
)
2941 if (to
>= D_status_len
)
2942 D_status_len
= to
+ 1;
2943 return; /* can't refresh status */
2946 if (y
== D_height
- 1 && D_has_hstatus
== HSTATUS_LASTLINE
)
2952 if (isblank
== 0 && D_CE
&& to
== D_width
- 1 && from
< to
)
2956 SetRendition(&mchar_null
);
2964 for (cv
= display
->d_cvlist
; cv
; cv
= cv
->c_next
)
2966 if (y
== cv
->c_ye
+ 1 && from
>= cv
->c_xs
&& from
<= cv
->c_xe
)
2968 p
= Layer2Window(cv
->c_layer
);
2969 buf
= MakeWinMsgEv(captionstring
, p
, '%', cv
->c_xe
- cv
->c_xs
+ (cv
->c_xe
+ 1 < D_width
|| D_CLP
), &cv
->c_captev
, 0);
2970 if (cv
->c_captev
.timeout
.tv_sec
)
2971 evenq(&cv
->c_captev
);
2972 xx
= to
> cv
->c_xe
? cv
->c_xe
: to
;
2975 SetRendition(&mchar_so
);
2976 if (l
> xx
- cv
->c_xs
+ 1)
2977 l
= xx
- cv
->c_xs
+ 1;
2978 PutWinMsg(buf
, from
- cv
->c_xs
, l
);
2979 from
= cv
->c_xs
+ l
;
2980 for (; from
<= xx
; from
++)
2984 if (from
== cv
->c_xe
+ 1 && y
>= cv
->c_ys
&& y
<= cv
->c_ye
+ 1)
2987 SetRendition(&mchar_so
);
2992 if (y
< cv
->c_ys
|| y
> cv
->c_ye
|| to
< cv
->c_xs
|| from
> cv
->c_xe
)
2994 debug2("- canvas hit: %d %d", cv
->c_xs
, cv
->c_ys
);
2995 debug2(" %d %d\n", cv
->c_xe
, cv
->c_ye
);
2996 for (vp
= cv
->c_vplist
; vp
; vp
= vp
->v_next
)
2998 debug2(" - vp: %d %d", vp
->v_xs
, vp
->v_ys
);
2999 debug2(" %d %d\n", vp
->v_xe
, vp
->v_ye
);
3000 /* find leftmost overlapping vp */
3001 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
))
3009 continue; /* we advanced from */
3012 if (from
< lvp
->v_xs
)
3015 DisplayLine(&mline_null
, &mline_blank
, y
, from
, lvp
->v_xs
- 1);
3019 /* call LayRedisplayLine on canvas lcv viewport lvp */
3020 yy
= y
- lvp
->v_yoff
;
3021 xx
= to
< lvp
->v_xe
? to
: lvp
->v_xe
;
3023 if (lcv
->c_layer
&& yy
== lcv
->c_layer
->l_height
)
3026 SetRendition(&mchar_blank
);
3027 while (from
<= lvp
->v_xe
&& from
- lvp
->v_xoff
< lcv
->c_layer
->l_width
)
3032 if (from
>= lvp
->v_xe
+ 1)
3035 if (lcv
->c_layer
== 0 || yy
>= lcv
->c_layer
->l_height
|| from
- lvp
->v_xoff
>= lcv
->c_layer
->l_width
)
3038 DisplayLine(&mline_null
, &mline_blank
, y
, from
, lvp
->v_xe
);
3039 from
= lvp
->v_xe
+ 1;
3043 if (xx
- lvp
->v_xoff
>= lcv
->c_layer
->l_width
)
3044 xx
= lcv
->c_layer
->l_width
+ lvp
->v_xoff
- 1;
3046 flayer
= lcv
->c_layer
;
3047 cvlist
= flayer
->l_cvlist
;
3048 cvlnext
= lcv
->c_lnext
;
3049 flayer
->l_cvlist
= lcv
;
3051 LayRedisplayLine(yy
, from
- lvp
->v_xoff
, xx
- lvp
->v_xoff
, isblank
);
3052 flayer
->l_cvlist
= cvlist
;
3053 lcv
->c_lnext
= cvlnext
;
3058 if (!isblank
&& from
<= to
)
3059 DisplayLine(&mline_null
, &mline_blank
, y
, from
, to
);
3062 /*********************************************************************/
3064 /* clear lp_missing by writing the char on the screen. The
3065 * position must be safe.
3071 struct mchar oldrend
;
3074 ASSERT(D_lp_missing
);
3076 debug2("WriteLP(%d,%d)\n", x2
, y2
);
3083 D_lpchar
= mchar_blank
;
3086 /* Can't use PutChar */
3088 SetRendition(&D_lpchar
);
3089 PUTCHAR(D_lpchar
.image
);
3092 PUTCHAR(D_lpchar
.mbcs
);
3095 SetRendition(&oldrend
);
3099 ClearLine(oml
, y
, from
, to
, bce
)
3101 int from
, to
, y
, bce
;
3105 struct mchar bcechar
;
3108 debug3("ClearLine %d,%d-%d\n", y
, from
, to
);
3109 if (D_UT
) /* Safe to erase ? */
3110 SetRendition(&mchar_null
);
3115 if (from
== 0 && D_CB
&& (to
!= D_width
- 1 || (D_x
== to
&& D_y
== y
)) && (!bce
|| D_BE
))
3121 if (to
== D_width
- 1 && D_CE
&& (!bce
|| D_BE
))
3132 DisplayLine(oml
, &mline_blank
, y
, from
, to
);
3135 bcechar
= mchar_blank
;
3136 rend_setbg(&bcechar
, bce
);
3137 for (x
= from
; x
<= to
; x
++)
3138 copy_mchar2mline(&bcechar
, &mline_old
, x
);
3139 DisplayLine(oml
, &mline_old
, y
, from
, to
);
3141 DisplayLine(oml
, &mline_blank
, y
, from
, to
);
3146 DisplayLine(oml
, ml
, y
, from
, to
)
3147 struct mline
*oml
, *ml
;
3151 int last2flag
= 0, delete_lp
= 0;
3154 ASSERT(y
>= 0 && y
< D_height
);
3155 ASSERT(from
>= 0 && from
< D_width
);
3156 ASSERT(to
>= 0 && to
< D_width
);
3157 if (!D_CLP
&& y
== D_bot
&& to
== D_width
- 1)
3159 if (D_lp_missing
|| !cmp_mline(oml
, ml
, to
))
3162 if ((D_IC
|| D_IM
) && from
< to
&& !dw_left(ml
, to
, D_encoding
))
3164 if ((D_IC
|| D_IM
) && from
< to
)
3173 delete_lp
= !cmp_mchar_mline(&mchar_blank
, oml
, to
) && (D_CE
|| D_DC
|| D_CDC
);
3174 D_lp_missing
= !cmp_mchar_mline(&mchar_blank
, ml
, to
);
3175 copy_mline2mchar(&D_lpchar
, ml
, to
);
3183 /* finish dw-char (can happen after a wrap) */
3184 debug("DisplayLine finishing kanji\n");
3185 SetRenditionMline(ml
, from
);
3186 PUTCHAR(ml
->image
[from
]);
3190 for (x
= from
; x
<= to
; x
++)
3192 #if 0 /* no longer needed */
3193 if (x
|| D_x
!= D_width
|| D_y
!= y
- 1)
3196 if (x
< to
|| x
!= D_width
- 1 || ml
->image
[x
+ 1])
3197 if (cmp_mline(oml
, ml
, x
))
3202 if (dw_right(ml
, x
, D_encoding
))
3205 debug1("DisplayLine on right side of dw char- x now %d\n", x
);
3208 if (x
== to
&& dw_left(ml
, x
, D_encoding
))
3209 break; /* don't start new kanji */
3211 SetRenditionMline(ml
, x
);
3212 PUTCHAR(ml
->image
[x
]);
3214 if (dw_left(ml
, x
, D_encoding
))
3215 PUTCHAR(ml
->image
[++x
]);
3218 #if 0 /* not needed any longer */
3219 /* compare != 0 because ' ' can happen when clipping occures */
3220 if (to
== D_width
- 1 && y
< D_height
- 1 && D_x
== D_width
&& ml
->image
[to
+ 1])
3226 SetRenditionMline(ml
, x
+ 1);
3227 PUTCHAR(ml
->image
[x
+ 1]);
3229 SetRenditionMline(ml
, x
);
3230 INSERTCHAR(ml
->image
[x
]);
3235 SetRendition(&mchar_null
);
3252 PUTCHARLP(c
->image
);
3257 if (D_encoding
== UTF8
)
3266 InsChar(c
, x
, xe
, y
, oml
)
3272 if (y
== D_bot
&& !D_CLP
)
3274 if (x
== D_width
- 1)
3280 if (xe
== D_width
- 1)
3286 PUTCHARLP(c
->image
);
3289 if (!(D_IC
|| D_CIC
|| D_IM
) || xe
!= D_width
- 1)
3291 RefreshLine(y
, x
, xe
, 0);
3293 /* UpdateLine(oml, y, x, xe); */
3300 if (c
->mbcs
&& D_IC
)
3305 AddCStr2(D_CIC
, c
->mbcs
? 2 : 1);
3314 RAW_PUTCHAR(c
->image
);
3319 if (D_encoding
== UTF8
)
3322 if (D_x
== D_width
- 1)
3325 RAW_PUTCHAR(c
->mbcs
);
3331 WrapChar(c
, x
, y
, xs
, ys
, xe
, ye
, ins
)
3340 bce
= rend_getbg(c
);
3345 debug2(" x %d y %d", x
, y
);
3346 debug2(" Dx %d Dy %d", D_x
, D_y
);
3347 debug2(" xs %d ys %d", xs
, ys
);
3348 debug3(" xe %d ye %d ins %d\n", xe
, ye
, ins
);
3349 if (xs
!= 0 || x
!= D_width
|| !D_AM
)
3352 ScrollV(xs
, ys
, xe
, ye
, 1, bce
);
3353 else if (y
< D_height
- 1)
3356 InsChar(c
, xs
, xe
, y
, 0);
3361 if (y
== ye
) /* we have to scroll */
3363 debug("- scrolling\n");
3364 ChangeScrollRegion(ys
, ye
);
3365 if (D_bot
!= y
|| D_x
!= D_width
|| (!bce
&& !D_BE
))
3367 debug("- have to call ScrollV\n");
3368 ScrollV(xs
, ys
, xe
, ye
, 1, bce
);
3372 else if (y
== D_bot
) /* remove unusable region? */
3373 ChangeScrollRegion(0, D_height
- 1);
3374 if (D_x
!= D_width
|| D_y
!= y
)
3376 if (D_CLP
&& y
>= 0) /* don't even try if !LP */
3377 RefreshLine(y
, D_width
- 1, D_width
- 1, 0);
3378 debug2("- refresh last char -> x,y now %d,%d\n", D_x
, D_y
);
3379 if (D_x
!= D_width
|| D_y
!= y
) /* sorry, no bonus */
3382 ScrollV(xs
, ys
, xe
, ye
, 1, bce
);
3383 GotoPos(xs
, y
== ye
|| y
== D_height
- 1 ? y
: y
+ 1);
3386 debug("- writeing new char");
3387 if (y
!= ye
&& y
< D_height
- 1)
3389 if (ins
!= D_insert
)
3391 if (ins
&& !D_insert
)
3393 InsChar(c
, 0, xe
, y
, 0);
3394 debug2(" -> done with insert (%d,%d)\n", D_x
, D_y
);
3400 RAW_PUTCHAR(c
->image
);
3405 if (D_encoding
== UTF8
)
3408 RAW_PUTCHAR(c
->mbcs
);
3411 debug2(" -> done (%d,%d)\n", D_x
, D_y
);
3415 ResizeDisplay(wi
, he
)
3419 debug2("ResizeDisplay: to (%d,%d).\n", wi
, he
);
3420 if (D_width
== wi
&& D_height
== he
)
3422 debug("ResizeDisplay: No change\n");
3425 if (D_width
!= wi
&& (D_height
== he
|| !D_CWS
) && D_CZ0
&& (wi
== Z0width
|| wi
== Z1width
))
3427 debug("ResizeDisplay: using Z0/Z1\n");
3428 AddCStr(wi
== Z0width
? D_CZ0
: D_CZ1
);
3429 ChangeScreenSize(wi
, D_height
, 0);
3430 return (he
== D_height
) ? 0 : -1;
3434 debug("ResizeDisplay: using WS\n");
3435 AddCStr(tgoto(D_CWS
, wi
, he
));
3436 ChangeScreenSize(wi
, he
, 0);
3443 ChangeScrollRegion(newtop
, newbot
)
3448 if (newtop
== newbot
)
3449 return; /* xterm etc can't do it */
3453 newbot
= D_height
- 1;
3457 D_bot
= D_height
- 1;
3460 if (D_top
== newtop
&& D_bot
== newbot
)
3462 debug2("ChangeScrollRegion: (%d - %d)\n", newtop
, newbot
);
3463 AddCStr(tgoto(D_CS
, newbot
, newtop
));
3466 D_y
= D_x
= -1; /* Just in case... */
3475 static char oscs
[] = "1;\000\00020;\00039;\00049;\000";
3482 if (!D_xtermosc
[i
] && !*s
)
3485 s
= "screen"; /* always set icon name */
3487 s
= ""; /* no background */
3489 s
= "black"; /* black text */
3491 s
= "white"; /* on white background */
3494 AddStr(oscs
+ i
* 4);
3503 for (i
= 3; i
>= 0; i
--)
3509 * Output buffering routines
3521 if (D_encoding
== UTF8
)
3523 while ((c
= *str
++))
3524 AddUtf8((unsigned char)c
);
3528 while ((c
= *str
++))
3541 if (D_encoding
== UTF8
)
3543 while ((c
= *str
++) && n
-- > 0)
3544 AddUtf8((unsigned char)c
);
3548 while ((c
= *str
++) && n
-- > 0)
3561 l
= D_obufp
- D_obuf
;
3562 debug1("Flush(): %d\n", l
);
3565 ASSERT(l
+ D_obuffree
== D_obuflen
);
3573 if (fcntl(D_userfd
, F_SETFL
, 0))
3574 debug1("Warning: BLOCK fcntl failed: %d\n", errno
);
3578 wr
= write(D_userfd
, p
, l
);
3583 debug1("Writing to display: %d\n", errno
);
3594 if (fcntl(D_userfd
, F_SETFL
, FNBLOCK
))
3595 debug1("Warning: NBLOCK fcntl failed: %d\n", errno
);
3606 debug1("did freetty %d\n", D_userfd
);
3614 D_obuflenmax
= -D_obufmax
;
3620 * Asynchronous output routines by
3621 * Tim MacKenzie (tym@dibbler.cs.monash.edu.au)
3630 if (D_status_obuffree
>= 0)
3632 ASSERT(D_obuffree
== -1);
3637 gettimeofday(&now
, NULL
);
3638 ti
= (now
.tv_sec
- D_status_time
.tv_sec
) * 1000 + (now
.tv_usec
- D_status_time
.tv_usec
) / 1000;
3639 if (ti
< MsgMinWait
)
3640 DisplaySleep1000(MsgMinWait
- ti
, 0);
3643 if (--D_obuffree
> 0) /* redo AddChar decrement */
3646 if (D_obuflen
&& D_obuf
)
3648 ind
= D_obufp
- D_obuf
;
3650 D_obuffree
+= GRAIN
;
3651 D_obuf
= realloc(D_obuf
, D_obuflen
);
3658 D_obuf
= malloc(D_obuflen
);
3661 Panic(0, "Out of memory");
3662 D_obufp
= D_obuf
+ ind
;
3663 D_obuflenmax
= D_obuflen
- D_obufmax
;
3664 debug1("ResizeObuf: resized to %d\n", D_obuflen
);
3668 DisplaySleep1000(n
, eat
)
3680 debug("DisplaySleep has no display sigh\n");
3684 t
.tv_usec
= (n
% 1000) * 1000;
3685 t
.tv_sec
= n
/ 1000;
3687 FD_SET(D_userfd
, &r
);
3688 if (select(FD_SETSIZE
, &r
, (fd_set
*)0, (fd_set
*)0, &t
) > 0)
3690 debug("display activity stopped sleep\n");
3692 read(D_userfd
, &buf
, 1);
3694 debug2("DisplaySleep(%d) ending, eat was %d\n", n
, eat
);
3700 {/* Nuke pending output in current display, clear screen */
3702 int oldtop
= D_top
, oldbot
= D_bot
;
3703 struct mchar oldrend
;
3704 int oldkeypad
= D_keypad
, oldcursorkeys
= D_cursorkeys
;
3705 int oldcurvis
= D_curvis
;
3706 int oldmouse
= D_mouse
;
3709 len
= D_obufp
- D_obuf
;
3710 debug1("NukePending: nuking %d chars\n", len
);
3712 /* Throw away any output that we can... */
3714 tcflush(D_userfd
, TCOFLUSH
);
3717 (void) ioctl(D_userfd
, TCFLSH
, (char *) 1);
3726 /* Turn off all attributes. (Tim MacKenzie) */
3733 AddStr("\033[m"); /* why is D_ME not set? */
3738 /* Check for toggle */
3739 if (D_IM
&& strcmp(D_IM
, D_EI
))
3742 /* Check for toggle */
3744 if (D_KS
&& strcmp(D_KS
, D_KE
))
3746 if (D_CCS
&& strcmp(D_CCS
, D_CCE
))
3749 if (D_KS
&& strcmp(D_KS
, D_KE
))
3752 if (D_CCS
&& strcmp(D_CCS
, D_CCE
))
3757 D_rend
= mchar_null
;
3763 ChangeScrollRegion(oldtop
, oldbot
);
3764 SetRendition(&oldrend
);
3765 KeypadMode(oldkeypad
);
3766 CursorkeysMode(oldcursorkeys
);
3767 CursorVisibility(oldcurvis
);
3768 MouseMode(oldmouse
);
3771 debug("ResizeDisplay: using WS\n");
3772 AddCStr(tgoto(D_CWS
, D_width
, D_height
));
3774 else if (D_CZ0
&& (D_width
== Z0width
|| D_width
== Z1width
))
3776 debug("ResizeDisplay: using Z0/Z1\n");
3777 AddCStr(D_width
== Z0width
? D_CZ0
: D_CZ1
);
3780 #endif /* AUTO_NUKE */
3783 /* linux' select can't handle flow control, so wait 100ms if
3787 disp_writeev_eagain(ev
, data
)
3791 display
= (struct display
*)data
;
3793 D_writeev
.type
= EV_WRITE
;
3794 D_writeev
.handler
= disp_writeev_fn
;
3800 disp_writeev_fn(ev
, data
)
3804 int len
, size
= OUTPUT_BLOCK_SIZE
;
3806 display
= (struct display
*)data
;
3807 len
= D_obufp
- D_obuf
;
3811 size
= write(D_userfd
, D_obuf
, size
);
3817 bcopy(D_obuf
+ size
, D_obuf
, len
);
3818 debug2("ASYNC: wrote %d - remaining %d\n", size
, len
);
3824 D_blocked_fuzz
-= size
;
3825 if (D_blocked_fuzz
< 0)
3828 if (D_blockedev
.queued
)
3830 if (D_obufp
- D_obuf
> D_obufmax
/ 2)
3832 debug2("%s: resetting timeout to %g secs\n", D_usertty
, D_nonblock
/1000.);
3833 SetTimeout(&D_blockedev
, D_nonblock
);
3837 debug1("%s: deleting blocked timeout\n", D_usertty
);
3838 evdeq(&D_blockedev
);
3841 if (D_blocked
== 1 && D_obuf
== D_obufp
)
3843 /* empty again, restart output */
3844 debug1("%s: buffer empty, unblocking\n", D_usertty
);
3846 Activate(D_fore
? D_fore
->w_norefresh
: 0);
3847 D_blocked_fuzz
= D_obufp
- D_obuf
;
3853 /* linux flow control is badly broken */
3854 if (errno
== EAGAIN
)
3857 D_writeev
.type
= EV_TIMEOUT
;
3858 D_writeev
.handler
= disp_writeev_eagain
;
3859 SetTimeout(&D_writeev
, 100);
3863 if (errno
!= EINTR
&& errno
!= EAGAIN
)
3864 #if defined(EWOULDBLOCK) && (EWOULDBLOCK != EAGAIN)
3865 if (errno
!= EWOULDBLOCK
)
3867 Msg(errno
, "Error writing output to display");
3872 disp_readev_fn(ev
, data
)
3880 display
= (struct display
*)data
;
3882 /* Hmmmm... a bit ugly... */
3884 for (cv
= D_forecv
->c_layer
->l_cvlist
; cv
; cv
= cv
->c_lnext
)
3886 display
= cv
->c_display
;
3887 if (D_status
== STATUS_ON_WIN
)
3891 display
= (struct display
*)data
;
3898 size
= sizeof(D_fore
->w_pwin
->p_inbuf
) - D_fore
->w_pwin
->p_inlen
;
3901 size
= sizeof(D_fore
->w_inbuf
) - D_fore
->w_inlen
;
3907 size
= 1; /* Always allow one char for command keys */
3909 size
= read(D_userfd
, buf
, size
);
3912 if (errno
== EINTR
|| errno
== EAGAIN
)
3914 #if defined(EWOULDBLOCK) && (EWOULDBLOCK != EAGAIN)
3915 if (errno
== EWOULDBLOCK
)
3918 debug1("Read error: %d - hangup!\n", errno
);
3925 debug("Found EOF - hangup!\n");
3936 Activate(D_fore
? D_fore
->w_norefresh
: 0);
3941 if (D_blocked
> 1) /* 2, 3 */
3947 for (p
= windows
; p
; p
= p
->w_next
)
3948 if (p
->w_zdisplay
== display
)
3950 flayer
= &p
->w_layer
;
3953 LayProcess(&bufp
, &size
);
3956 debug("zmodem window gone, deblocking display");
3957 zmodem_abort(0, display
);
3963 D_fore
->w_lastdisp
= display
;
3964 if (D_mouse
&& D_forecv
)
3966 unsigned char *bp
= (unsigned char *)buf
;
3969 /* XXX this assumes that the string is read in as a whole... */
3970 for (i
= size
; i
> 0; i
--, bp
++)
3972 if (i
> 5 && bp
[0] == 033 && bp
[1] == '[' && bp
[2] == 'M')
3977 else if (i
< 5 || bp
[0] != 0233 || bp
[1] != 'M')
3981 if (x
>= D_forecv
->c_xs
&& x
<= D_forecv
->c_xe
&& y
>= D_forecv
->c_ys
&& y
<= D_forecv
->c_ye
)
3983 x
-= D_forecv
->c_xoff
;
3984 y
-= D_forecv
->c_yoff
;
3985 if (x
>= 0 && x
< D_forecv
->c_layer
->l_width
&& y
>= 0 && y
< D_forecv
->c_layer
->l_height
)
3996 bcopy((char *)bp
+ 1, (char *)bp
, i
);
4001 bcopy((char *)bp
+ 5, (char *)bp
, i
- 5);
4008 if (D_encoding
!= (D_forecv
? D_forecv
->c_layer
->l_encoding
: 0))
4011 char buf2
[IOSIZE
* 2 + 10];
4012 enc
= D_forecv
? D_forecv
->c_layer
->l_encoding
: 0;
4013 for (i
= j
= 0; i
< size
; i
++)
4015 c
= ((unsigned char *)buf
)[i
];
4016 c
= DecodeChar(c
, D_encoding
, &D_decodestate
);
4018 i
--; /* try char again */
4024 j
+= EncodeChar(buf2
+ j
, c
, enc
, &font
);
4025 j
+= EncodeChar(buf2
+ j
, -1, enc
, &font
);
4028 j
+= EncodeChar(buf2
+ j
, c
, enc
, 0);
4029 if (j
> (int)sizeof(buf2
) - 10) /* just in case... */
4032 (*D_processinput
)(buf2
, j
);
4036 (*D_processinput
)(buf
, size
);
4040 disp_status_fn(ev
, data
)
4044 display
= (struct display
*)data
;
4045 debug1("disp_status_fn for display %x\n", (int)display
);
4051 disp_hstatus_fn(ev
, data
)
4055 display
= (struct display
*)data
;
4056 if (D_status
== STATUS_ON_HS
)
4066 disp_blocked_fn(ev
, data
)
4072 display
= (struct display
*)data
;
4073 debug1("blocked timeout %s\n", D_usertty
);
4074 if (D_obufp
- D_obuf
> D_obufmax
+ D_blocked_fuzz
)
4076 debug("stopping output to display\n");
4078 /* re-enable all windows */
4079 for (p
= windows
; p
; p
= p
->w_next
)
4080 if (p
->w_readev
.condneg
== &D_obuflenmax
)
4082 debug1("freeing window #%d\n", p
->w_number
);
4083 p
->w_readev
.condpos
= p
->w_readev
.condneg
= 0;
4089 cv_winid_fn(ev
, data
)
4094 struct canvas
*cv
= (struct canvas
*)data
;
4096 display
= cv
->c_display
;
4097 if (D_status
== STATUS_ON_WIN
)
4105 if (cv
->c_ye
+ 1 < D_height
)
4106 RefreshLine(cv
->c_ye
+ 1, 0, D_width
- 1, 0);
4107 if (ox
!= -1 && oy
!= -1)
4113 disp_map_fn(ev
, data
)
4120 display
= (struct display
*)data
;
4121 debug("Flushing map sequence\n");
4124 p
= (char *)D_seqp
- l
;
4125 D_seqp
= D_kmaps
+ 3;
4127 if ((q
= D_seqh
) != 0)
4130 i
= q
[0] << 8 | q
[1];
4131 i
&= ~KMAP_NOTIMEOUT
;
4132 debug1("Mapping former hit #%d - ", i
);
4133 debug2("%d(%s) - ", q
[2], q
+ 3);
4135 ProcessInput2((char *)q
+ 3, q
[2]);
4148 disp_idle_fn(ev
, data
)
4152 struct display
*olddisplay
;
4153 display
= (struct display
*)data
;
4154 debug("idle timeout\n");
4155 if (idletimo
<= 0 || idleaction
.nr
== RC_ILLEGAL
)
4157 olddisplay
= display
;
4158 flayer
= D_forecv
->c_layer
;
4160 DoAction(&idleaction
, -1);
4161 if (idleaction
.nr
== RC_BLANKER
)
4163 for (display
= displays
; display
; display
= display
->d_next
)
4164 if (olddisplay
== display
)
4175 SetTimeout(&D_idleev
, idletimo
);
4176 if (!D_idleev
.queued
)
4187 disp_blanker_fn(ev
, data
)
4191 char buf
[IOSIZE
], *b
;
4194 display
= (struct display
*)data
;
4195 size
= read(D_blankerev
.fd
, buf
, IOSIZE
);
4198 evdeq(&D_blankerev
);
4199 close(D_blankerev
.fd
);
4200 D_blankerev
.fd
= -1;
4203 for (b
= buf
; size
; size
--)
4210 int oldtop
= D_top
, oldbot
= D_bot
;
4211 struct mchar oldrend
;
4213 if (D_blankerev
.fd
== -1)
4217 evdeq(&D_blankerev
);
4218 close(D_blankerev
.fd
);
4219 D_blankerev
.fd
= -1;
4220 Kill(D_blankerpid
, SIGHUP
);
4232 AddStr("\033[m\033[m"); /* why is D_ME not set? */
4239 D_rend
= mchar_null
;
4243 ChangeScrollRegion(oldtop
, oldbot
);
4244 SetRendition(&oldrend
);
4257 char libuf
[20], cobuf
[20];
4261 strcpy(termname
, "TERM=");
4262 strncpy(termname
+ 5, D_termname
, sizeof(termname
) - 6);
4263 termname
[sizeof(termname
) - 1] = 0;
4266 if ((D_blankerev
.fd
= OpenPTY(&m
)) == -1)
4268 Msg(0, "OpenPty failed");
4274 if ((slave
= open(m
, O_RDWR
|O_NOCTTY
)) == -1)
4276 Msg(errno
, "%s", m
);
4277 close(D_blankerev
.fd
);
4278 D_blankerev
.fd
= -1;
4283 switch (pid
= (int)fork())
4287 close(D_blankerev
.fd
);
4288 D_blankerev
.fd
= -1;
4293 if (dfp
&& dfp
!= stderr
)
4296 if (setgid(real_gid
) || setuid(real_uid
))
4297 Panic(errno
, "setuid/setgid");
4303 closeallfiles(slave
);
4304 if (open(m
, O_RDWR
))
4305 Panic(errno
, "Cannot open %s", m
);
4312 SetTTY(0, &D_OldMode
);
4317 glwz
.ws_col
= D_width
;
4318 glwz
.ws_row
= D_height
;
4319 (void)ioctl(0, TIOCSWINSZ
, (char *)&glwz
);
4321 sprintf(libuf
, "LINES=%d", D_height
);
4322 sprintf(libuf
, "COLUMNS=%d", D_width
);
4327 signal(SIGPIPE
, SIG_DFL
);
4330 execvpe(*cmdv
, cmdv
, NewEnv
+ 3);
4331 Panic(errno
, *cmdv
);
4336 evenq(&D_blankerev
);
4343 struct layout
*layouts
;
4344 struct layout
*laytab
[MAXLAY
];
4345 struct layout
*layout_last
, layout_last_marker
;
4346 struct layout
*layout_attach
= &layout_last_marker
;
4352 for (; cv
; cv
= cv
->c_slnext
)
4355 FreeLayoutCv(cv
->c_slperp
);
4362 DupLayoutCv(cvf
, cvt
, save
)
4363 struct canvas
*cvf
, *cvt
;
4368 cvt
->c_slorient
= cvf
->c_slorient
;
4369 cvt
->c_slweight
= cvf
->c_slweight
;
4370 if (cvf
== D_forecv
)
4374 cvt
->c_display
= display
;
4377 cvt
->c_captev
.type
= EV_TIMEOUT
;
4378 cvt
->c_captev
.data
= (char *)cvt
;
4379 cvt
->c_captev
.handler
= cv_winid_fn
;
4380 cvt
->c_blank
.l_cvlist
= 0;
4381 cvt
->c_blank
.l_layfn
= &BlankLf
;
4382 cvt
->c_blank
.l_bottom
= &cvt
->c_blank
;
4384 cvt
->c_layer
= cvf
->c_layer
;
4388 struct win
*p
= cvf
->c_layer
? Layer2Window(cvf
->c_layer
) : 0;
4389 cvt
->c_layer
= p
? &p
->w_layer
: 0;
4393 cvt
->c_slperp
= (struct canvas
*)calloc(1, sizeof(struct canvas
));
4394 cvt
->c_slperp
->c_slback
= cvt
;
4395 DupLayoutCv(cvf
->c_slperp
, cvt
->c_slperp
, save
);
4399 cvt
->c_slnext
= (struct canvas
*)calloc(1, sizeof(struct canvas
));
4400 cvt
->c_slnext
->c_slprev
= cvt
;
4401 cvt
->c_slnext
->c_slback
= cvt
->c_slback
;
4403 cvf
= cvf
->c_slnext
;
4404 cvt
= cvt
->c_slnext
;
4413 for (; cv
; cv
= cv
->c_slnext
)
4417 PutWindowCv(cv
->c_slperp
);
4420 p
= cv
->c_layer
? (struct win
*)cv
->c_layer
->l_data
: 0;
4422 SetCanvasWindow(cv
, p
);
4427 CreateLayout(title
, startat
)
4434 if (startat
>= MAXLAY
|| startat
< 0)
4436 for (i
= startat
; ;)
4444 Msg(0, "No more layouts\n");
4448 lay
= (struct layout
*)calloc(1, sizeof(*lay
));
4449 lay
->lay_title
= SaveStr(title
);
4450 lay
->lay_autosave
= 1;
4451 lay
->lay_number
= i
;
4453 lay
->lay_next
= layouts
;
4459 SaveLayout(name
, cv
)
4465 for (lay
= layouts
; lay
; lay
= lay
->lay_next
)
4466 if (!strcmp(lay
->lay_title
, name
))
4469 FreeLayoutCv(&lay
->lay_canvas
);
4471 lay
= CreateLayout(name
, 0);
4475 DupLayoutCv(cv
, &lay
->lay_canvas
, 1);
4476 lay
->lay_forecv
= D_forecv
;
4486 if (!lay
|| !lay
->lay_autosave
)
4488 FreeLayoutCv(&lay
->lay_canvas
);
4490 DupLayoutCv(&D_canvas
, &lay
->lay_canvas
, 1);
4491 lay
->lay_forecv
= D_forecv
;
4502 for (i
= 0, s
= name
; *s
>= '0' && *s
<= '9'; s
++)
4503 i
= i
* 10 + (*s
- '0');
4504 if (!*s
&& s
!= name
&& i
>= 0 && i
< MAXLAY
)
4506 for (lay
= layouts
; lay
; lay
= lay
->lay_next
)
4507 if (!strcmp(lay
->lay_title
, name
))
4517 AutosaveLayout(D_layout
);
4520 while (D_canvas
.c_slperp
)
4521 FreeCanvas(D_canvas
.c_slperp
);
4522 MakeDefaultCanvas();
4523 SetCanvasWindow(D_forecv
, 0);
4527 while (D_canvas
.c_slperp
)
4528 FreeCanvas(D_canvas
.c_slperp
);
4530 D_forecv
= lay
->lay_forecv
;
4531 DupLayoutCv(&lay
->lay_canvas
, &D_canvas
, 0);
4532 D_canvas
.c_ye
= D_height
- 1 - ((D_canvas
.c_slperp
&& D_canvas
.c_slperp
->c_slnext
) || captionalways
) - (D_has_hstatus
== HSTATUS_LASTLINE
);
4533 ResizeCanvas(&D_canvas
);
4534 RecreateCanvasChain();
4535 RethinkDisplayViewports();
4536 PutWindowCv(&D_canvas
);
4537 ResizeLayersToCanvases();
4542 NewLayout(title
, startat
)
4549 lay
= CreateLayout(title
, startat
);
4552 LoadLayout(0, &D_canvas
);
4554 DupLayoutCv(&D_canvas
, &lay
->lay_canvas
, 1);
4555 lay
->lay_forecv
= D_forecv
;
4558 lay
->lay_autosave
= 1;
4562 AddLayoutsInfo(buf
, len
, where
)
4568 struct layout
*p
, **pp
;
4572 for (pp
= laytab
; pp
< laytab
+ MAXLAY
; pp
++)
4574 if (pp
- laytab
== where
&& ss
== buf
)
4582 if (s
- buf
+ l
> len
- 24)
4589 sprintf(s
, "%d", p
->lay_number
);
4590 if (p
->lay_number
== where
)
4593 if (display
&& p
== D_layout
)
4614 Msg(0, "No layouts defined\n");
4617 if (where
== -1 && D_layout
)
4618 where
= D_layout
->lay_number
;
4619 ss
= AddLayoutsInfo(buf
, sizeof(buf
), where
);
4620 s
= buf
+ strlen(buf
);
4621 if (ss
- buf
> D_width
/ 2)
4624 if (s
- ss
< D_width
)