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1.1 root 1: /* emacs display definitions */
2:
3:
4: /* EMACS_MODES: c !fill */
5:
6: int wbase = 0; /* line number of base of window */
7: int w1base = 0; /* base of window 1 */
8:
9: char osert = 0; /* flag indicating insert char mode */
10: char umode = 0; /* flag indicating overstrike mode */
11: int junked = 0; /* display junky */
12: int keepg = 0; /* amount of stuff to keep between scrolls */
13:
14: int acost; /* cost of absolute positioning */
15: int lUP; /* cost of UP */
16: int lDOWN; /* cost of DOWN */
17: int lBAK; /* cost of BACK */
18: int lFOR; /* cost of FORWARD */
19: int lCR;
20: int dccost; /* Cost of 1 delete character */
21: int iccost;
22:
23: /* two window mode stuff */
24:
25: int wscrlines; /* window scrlines */
26: int cwind = 0; /* current window */
27: int windb[2]; /* buffer for windows */
28: int disbuf[2] = {-1,-1}; /* buffer number in display */
29: int wmaxln[2]; /* maxln in each buffer */
30: int wminln[2]; /* minln in each buffer */
31: int twowind = 0; /* flag for two window mode */
32: int woff = 0; /* extra lines in winndow 2 */
33: int hcol = 0; /* Horizontal offset (picture mode */
34: int hrem;
35:
36: int lgripe; /* Flag indicating when it's time to complain about line size */
37: int minln; /* first line of display*/
38: int maxln; /* last line of display */
39: int lastln; /* screen line of maxln */
40: int nln; /* new line screen position */
41: int ncol; /* ditto for col. */
42: int dsize; /* size of area above the cursor */
43: int psx;
44: int psy;
45: int scrlin;
46: int scrcol;
47: int scrow;
48: int ttywarp; /* tty warp factor (stty speed) */
49: int BLANK; /* space or zero */
50:
51: /* character type table (here because it can't be initted everywhere */
52:
53: char ctype[128] = {
54: CONTRL, CONTRL, CONTRL, CONTRL, CONTRL, CONTRL, CONTRL, CONTRL,
55: CONTRL, TAB, CONTRL, CONTRL, CONTRL, CONTRL, CONTRL, CONTRL,
56: CONTRL, CONTRL, CONTRL, CONTRL, CONTRL, CONTRL, CONTRL, CONTRL,
57: CONTRL, CONTRL, CONTRL, CONTRL, CONTRL, CONTRL, CONTRL, CONTRL,
58: PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN,
59: PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN,
60: PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN,
61: PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN,
62: PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN,
63: PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN,
64: PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN,
65: PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, UL,
66: PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN,
67: PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN,
68: PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN,
69: PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, PLAIN, CONTRL,
70: };
71:
72: int metal = 2; /* Extra Length of meta characters */
73:
74: /* display data */
75:
76: #define TTYLEN 512 /* total area for tty data strings */
77: char ttystrings[TTYLEN];
78: int ttyptr; /* allocation offset in ttyp */
79:
80:
81: #ifdef PORTEXT
82:
83: /* The following should be used if the C compiler does not lay out
84: * external declarations in exactly the order declared. This array
85: * fixes this by assembling all of the addresses in the right order.
86: * It may get some warnings in some implementations. These
87: * variables must be in exactly the same order as the capability
88: * strings in ttydata. This declaration may produce warnings from
89: * some compilers, which can be ignored */
90:
91: int *parmptr[] = {
92: (int *) &UP,
93: (int *) &DOWN,
94: (int *) &BACK,
95: (int *) &FORWARD,
96: (int *) &HOME,
97: (int *) &CLEAR,
98: (int *) &CLREST,
99: (int *) &CLINE,
100: (int *) &BELL,
101: (int *) &CURAD,
102: (int *) &TMAP,
103: (int *) &SMAP,
104: (int *) &NOP,
105: (int *) &LOPEN,
106: (int *) &LDEL,
107: (int *) &INSERTC,
108: (int *) &INSERTM,
109: (int *) &OSERTC,
110: (int *) &INSERTP,
111: (int *) &DELC,
112: (int *) &SSCROLL,
113: (int *) &RSCROLL,
114: (int *) &CR,
115: (int *) &SCREG,
116: (int *) &ULINE,
117: (int *) &UEND,
118: (int *) &EOVER,
119: (int *) &SCINIT,
120: (int *) &VEXIT,
121: (int *) &RELUP,
122: (int *) &RELDOWN,
123: (int *) &RELFORW,
124: (int *) &RELBACK,
125: (int *) &CLDEL,
126: (int *) &CLSCROLL,
127: (int *) &CRSCROLL,
128: (int *) &CLOPEN,
129: (int *) &CMPON,
130: (int *) &XBASE,
131: (int *) &YBASE,
132: (int *) &SCRWID,
133: (int *) &SCRNLIN,
134: (int *) &SCRWRAP,
135: (int *) &VCOST,
136: (int *) &SRCADD,
137: (int *) &MI,
138: (int *) &IN,
139: (int *) &DELMODE,
140: 0,
141: };
142:
143: #endif
144:
145: /* The order in this string must match that in emacs_gb.h. and the above list */
146:
147: #ifndef PC
148: char *ttydata ="updobcndhoclcdceblcmtmtMpcaldlicimeiipdcsfsrcrcsulueeovsverurdrrrlDLSFSRALCMbxbycoliamvcrcmiindm";
149: #endif
150: char *endput = "____________________";
151:
152: int REALBOT; /* Real bottom of screen */
153: int REALWID; /* Real width */
154:
155: #define SCRCONT '!'
156: int TABSTOP = 8;
157:
158: #ifdef pdp11
159: #define NSCRLIN 25 /* max screen lines */
160: #else
161: #define NSCRLIN 72 /* max screen lines */
162: #endif
163: #define NSCRCOL 128 /* max screen columns */
164: #ifndef PC
165: char cmap[NSCRLIN] [NSCRCOL];
166: #endif
167: int scrjnk[NSCRLIN]; /* column of last non-white character */
168: int scrmap[NSCRLIN+1]; /* line number of line in file on screen */
169: int fmap[NSCRLIN]; /* File Status Map */
170: #define LGOOD 1000 /* line is good marker (max length) */
171:
172: #define MODHACK -1 /* File Line of Mode Line */
173: #define ECHOHACK -2 /* File Line of Echo Line */
174:
175: #ifdef pdp11
176: #define SCRMSK 077777 /* line number filed of scrmap */
177: #define SCRCNL 0100000 /* continuation bit of scrmap */
178:
179: /* special paramter to sputl to fix rest of lines */
180:
181: #define REST 20000
182:
183: #else
184: #define SCRMSK 07777777 /* line number filed of scrmap */
185: #define SCRCNL 010000000 /* continuation bit of scrmap */
186:
187: /* special paramter to sputl to fix rest of lines */
188:
189: #define REST 1000000
190:
191: #endif
192: /* modes */
193:
194: int LNOMOD = 1;
195: int LNOWID = 4;
196: int NOBEL = 0;
197: int NOTABS = 0;
198: int PMODE = 0;
199: extern int TABMD;
200:
201: /* display heuristics */
202:
203: #define CFILL 30 /* average chars/line */
204: #define PATIENCE 2000 /* number of millisecends of */
205: /* output to buffer before */
206: /* looking for type ahead */
207:
208: extern char *myname;
209: extern char version[];
210: extern int curbf;
211: extern int BACKP;
212: int bit8;
213:
214: /* Insert/delete parameters */
215:
216: #ifdef u370
217:
218: /* 370's have fast cpu's, slow I/O, thus spend more time looking for ins/del */
219:
220: #define ILOOK 11 /* Insert look-ahead */
221: #define DLOOK 11 /* ditto for delete char */
222: #else
223: #define ILOOK 9 /* Insert look-ahead */
224: #define DLOOK 9 /* ditto for delete char */
225: #endif
226: #define lINSC 5 /* Number of characters that must match for inserting */
227: #define lDELC 5 /* ditto for delc */
228:
229: /* Default Terminal Description */
230:
231: char *nulltty = "cl=\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\nbs=\nco=80\nli=24\ndo=\\n\ncr=
\nbl=\n";
232:
233: /* trace stuff */
234:
235:
236: #define TSIZE 200
237:
238: /* int trcbuf[TSIZE]; */
239:
240: /* int tnumb;*/
241:
242: #define TRACE(event)
243: /*#define TRACE(event) if (tnumb<TSIZE) trcbuf[tnumb++] = event; else trcbuf[(tnumb=1)-1] = event;*/
244:
245:
246: #define VADJUST 1
247:
248: /* external declarations */
249:
250: extern int OVERW;
251: extern curbf;
252: extern int LNOMOD;
253: extern int fbkno;
254: extern int hipt[];
255: extern int lowpt[];
256: extern int timemd;
257: extern int numarg;
258: extern int DOCOMP;
259: extern char *fname();
260: extern char *bname();
261: extern char *mstrcpy();
262: extern char *strcpy();
263: extern char *getname();
264: extern char *expenv();
265:
266: #ifdef TERMCAP
267: #define PUTS putpad
268: #define TPARM(x,y,z) tgoto(x,z,y)
269: #define WAIT1 "100"
270: char *dumbterm = "dumb";
271: #else
272: #ifdef TERMINFO
273: #define PUTS putpad
274: #define TPARM tparm
275: #define WAIT1 "$<100>"
276: char *dumbterm = "dumb";
277: #else
278: #define PUTS eprintf
279: #define WAIT1 "%100p"
280: #define TPARM(x,y,z) x,y,z
281: #endif
282: #endif
283:
284: /* Blit ioctl's here, since they are harmless and the include file isn't always there */
285:
286: struct jwinsize
287: {
288: char bytesx, bytesy; /* Window size in characters */
289: short bitsx, bitsy; /* Window size in bits */
290: };
291:
292: #ifdef bsd
293: #define IOCPARM_MASK 0x7f /* parameters must be < 128 bytes */
294: #define IOC_OUT 0x40000000 /* copy out parameters */
295: #define _IOR(x,y,t) (IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|('x'<<8)|y)
296: #define JWINSIZE _IOR(j, 5, struct jwinsize)
297: #else
298: #define JTYPE ('j'<<8)
299: #define JWINSIZE (JTYPE|5)
300: #endif
301: #ifdef PC
302:
303: /* definitions required to control PC display */
304:
305: #define VIDEO 0x10
306: #define REG(HIGH,LOW) (256*HIGH)+LOW
307: #define PAGE_0 0
308: #define PC_NULL 0
309: #define BELL 7
310: int NORMATB = 7;
311:
312: #define POS_CUR 2
313: #define SCRL_UP 6
314: #define WR_ACHR 9
315: #define WR_TTY 14
316: #endif
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