32 Infinity = 0x7FFFFFFF, /* huge value for regexp address */
35 #define Buffer AcmeBuffer
36 typedef struct Block Block;
37 typedef struct Buffer Buffer;
38 typedef struct Command Command;
39 typedef struct Column Column;
40 typedef struct Dirlist Dirlist;
41 typedef struct Dirtab Dirtab;
42 typedef struct Disk Disk;
43 typedef struct Expand Expand;
44 typedef struct Fid Fid;
45 typedef struct File File;
46 typedef struct Elog Elog;
47 typedef struct Mntdir Mntdir;
48 typedef struct Range Range;
49 typedef struct Rangeset Rangeset;
50 typedef struct Reffont Reffont;
51 typedef struct Row Row;
52 typedef struct Runestr Runestr;
53 typedef struct Text Text;
54 typedef struct Timer Timer;
55 typedef struct Window Window;
56 typedef struct Xfid Xfid;
72 uint addr; /* disk address in bytes */
75 uint n; /* number of used runes in block */
76 Block *next; /* pointer to next in free list */
83 uint addr; /* length of temp file */
84 Block *free[Maxblock/Blockincr+1];
88 Block* disknewblock(Disk*, uint);
89 void diskrelease(Disk*, Block*);
90 void diskread(Disk*, Block*, Rune*, uint);
91 void diskwrite(Disk*, Block**, Rune*, uint);
97 uint cnc; /* bytes in cache */
98 uint cmax; /* size of allocated cache */
99 uint cq; /* position of cache */
100 int cdirty; /* cache needs to be written */
101 uint cbi; /* index of cache Block */
102 Block **bl; /* array of blocks */
103 uint nbl; /* number of blocks */
105 void bufinsert(Buffer*, uint, Rune*, uint);
106 void bufdelete(Buffer*, uint, uint);
107 uint bufload(Buffer*, uint, int, int*);
108 void bufread(Buffer*, uint, Rune*, uint);
109 void bufclose(Buffer*);
110 void bufreset(Buffer*);
114 short type; /* Delete, Insert, Filename */
115 uint q0; /* location of change (unused in f) */
116 uint nd; /* number of deleted characters */
117 uint nr; /* # runes in string or file name */
120 void elogterm(File*);
121 void elogclose(File*);
122 void eloginsert(File*, int, Rune*, int);
123 void elogdelete(File*, int, int);
124 void elogreplace(File*, int, int, Rune*, int);
125 void elogapply(File*);
129 Buffer b; /* the data */
130 Buffer delta; /* transcript of changes */
131 Buffer epsilon; /* inversion of delta for redo */
132 Buffer *elogbuf; /* log of pending editor changes */
133 Elog elog; /* current pending change */
134 Rune *name; /* name of associated file */
135 int nname; /* size of name */
136 uvlong qidpath; /* of file when read */
137 uint mtime; /* of file when read */
138 int dev; /* of file when read */
139 int unread; /* file has not been read from disk */
140 int editclean; /* mark clean after edit command */
142 int seq; /* if seq==0, File acts like Buffer */
144 Text *curtext; /* most recently used associated text */
145 Text **text; /* list of associated texts */
147 int dumpid; /* used in dumping zeroxed windows */
149 File* fileaddtext(File*, Text*);
150 void fileclose(File*);
151 void filedelete(File*, uint, uint);
152 void filedeltext(File*, Text*);
153 void fileinsert(File*, uint, Rune*, uint);
154 uint fileload(File*, uint, int, int*);
155 void filemark(File*);
156 void filereset(File*);
157 void filesetname(File*, Rune*, int);
158 void fileundelete(File*, Buffer*, uint, uint);
159 void fileuninsert(File*, Buffer*, uint, uint);
160 void fileunsetname(File*, Buffer*);
161 void fileundo(File*, int, uint*, uint*);
162 uint fileredoseq(File*);
189 uint eq0; /* start of typing for ESC */
190 uint cq0; /* cache position */
191 int ncache; /* storage for insert */
197 uint textbacknl(Text*, uint, uint);
198 uint textbsinsert(Text*, uint, Rune*, uint, int, int*);
199 int textbswidth(Text*, Rune);
200 int textclickmatch(Text*, int, int, int, uint*);
201 void textclose(Text*);
202 void textcolumnate(Text*, Dirlist**, int);
203 void textcommit(Text*, int);
204 void textconstrain(Text*, uint, uint, uint*, uint*);
205 void textdelete(Text*, uint, uint, int);
206 void textdoubleclick(Text*, uint*, uint*);
207 void textfill(Text*);
208 void textframescroll(Text*, int);
209 void textinit(Text*, File*, Rectangle, Reffont*, Image**);
210 void textinsert(Text*, uint, Rune*, uint, int);
211 uint textload(Text*, uint, char*, int);
212 Rune textreadc(Text*, uint);
213 void textredraw(Text*, Rectangle, Font*, Image*, int);
214 void textreset(Text*);
215 int textresize(Text*, Rectangle);
216 void textscrdraw(Text*);
217 void textscroll(Text*, int);
218 void textselect(Text*);
219 int textselect2(Text*, uint*, uint*, Text**);
220 int textselect23(Text*, uint*, uint*, Image*, int);
221 int textselect3(Text*, uint*, uint*);
222 void textsetorigin(Text*, uint, int);
223 void textsetselect(Text*, uint, uint);
224 void textshow(Text*, uint, uint, int);
225 void texttype(Text*, Rune);
269 void wininit(Window*, Window*, Rectangle);
270 void winlock(Window*, int);
271 void winlock1(Window*, int);
272 void winunlock(Window*);
273 void wintype(Window*, Text*, Rune);
274 void winundo(Window*, int);
275 void winsetname(Window*, Rune*, int);
276 void winsettag(Window*);
277 void winsettag1(Window*);
278 void wincommit(Window*, Text*);
279 int winresize(Window*, Rectangle, int);
280 void winclose(Window*);
281 void windelete(Window*);
282 int winclean(Window*, int);
283 void windirfree(Window*);
284 void winevent(Window*, char*, ...);
285 void winmousebut(Window*);
286 void winaddincl(Window*, Rune*, int);
287 void wincleartag(Window*);
288 char *winctlprint(Window*, char*, int);
300 void colinit(Column*, Rectangle);
301 Window* coladd(Column*, Window*, Window*, int);
302 void colclose(Column*, Window*, int);
303 void colcloseall(Column*);
304 void colresize(Column*, Rectangle);
305 Text* colwhich(Column*, Point);
306 void coldragwin(Column*, Window*, int);
307 void colgrow(Column*, Window*, int);
308 int colclean(Column*);
309 void colsort(Column*);
310 void colmousebut(Column*);
322 void rowinit(Row*, Rectangle);
323 Column* rowadd(Row*, Column *c, int);
324 void rowclose(Row*, Column*, int);
325 Text* rowwhich(Row*, Point);
326 Column* rowwhichcol(Row*, Point);
327 void rowresize(Row*, Rectangle);
328 Text* rowtype(Row*, Rune, Point);
329 void rowdragcol(Row*, Column*, int but);
331 void rowdump(Row*, char*);
332 int rowload(Row*, char*, int);
333 void rowloadfonts(char*);
339 Channel *c; /* chan(int) */
391 void *arg; /* args to xfidinit */
394 Channel *c; /* chan(void(*)(Xfid*)) */
401 void xfidctl(void *);
402 void xfidflush(Xfid*);
403 void xfidopen(Xfid*);
404 void xfidclose(Xfid*);
405 void xfidread(Xfid*);
406 void xfidwrite(Xfid*);
407 void xfidctlwrite(Xfid*, Window*);
408 void xfideventread(Xfid*, Window*);
409 void xfideventwrite(Xfid*, Window*);
410 void xfidindexread(Xfid*);
411 void xfidutfread(Xfid*, Text*, uint, int);
412 int xfidruneread(Xfid*, Text*, uint, uint);
420 Reffont *rfget(int, int, int, char*);
421 void rfclose(Reffont*);
447 int (*agetc)(void*, uint);
454 /* fbufalloc() guarantees room off end of BUFSIZE */
455 BUFSIZE = Maxblock+IOHDRSZ, /* size from fbufalloc() */
456 RBUFSIZE = BUFSIZE/sizeof(Rune),
458 Scrollwid = 12, /* width of scroll bar */
459 Scrollgap = 4, /* gap right of scroll bar */
460 Margin = 4, /* margin around text */
461 Border = 2, /* line between rows, cols, windows */
464 #define QID(w,q) ((w<<8)|(q))
465 #define WIN(q) ((((ulong)(q).path)>>8) & 0xFFFFFF)
466 #define FILE(q) ((q).path & 0xFF)
497 uint maxtab; /* size of a tab, in units of the '0' character */
504 Keyboardctl *keyboardctl;
517 Text *mousetext; /* global because Text.close needs to clear it */
518 Text *typetext; /* global because Text.close needs to clear it */
519 Text *barttext; /* shared between mousetask and keyboardthread */
521 int swapscrollbuttons;
531 Image *tagcols[NCOL];
532 Image *textcols[NCOL];
533 extern char wdir[]; /* must use extern because no dimension given */
536 int messagesize; /* negotiated in 9P version setup */
537 int globalautoindent;
542 Kscrolloneup = KF|0x20,
543 Kscrollonedown = KF|0x21,
546 Channel *cplumb; /* chan(Plumbmsg*) */
547 Channel *cwait; /* chan(Waitmsg) */
548 Channel *ccommand; /* chan(Command*) */
549 Channel *ckill; /* chan(Rune*) */
550 Channel *cxfidalloc; /* chan(Xfid*) */
551 Channel *cxfidfree; /* chan(Xfid*) */
552 Channel *cnewwindow; /* chan(Channel*) */
553 Channel *mouseexit0; /* chan(int) */
554 Channel *mouseexit1; /* chan(int) */
555 Channel *cexit; /* chan(int) */
556 Channel *cerr; /* chan(char*) */
557 Channel *cedit; /* chan(int) */
558 Channel *cwarn; /* chan(void*)[1] (really chan(unit)[1]) */