1 b3994ec5 2003-12-11 devnull #include <u.h>
2 b3994ec5 2003-12-11 devnull #include <libc.h>
3 b3994ec5 2003-12-11 devnull #include <draw.h>
4 b3994ec5 2003-12-11 devnull #include <thread.h>
5 b3994ec5 2003-12-11 devnull #include <cursor.h>
6 b3994ec5 2003-12-11 devnull #include <mouse.h>
7 b3994ec5 2003-12-11 devnull #include <keyboard.h>
8 b3994ec5 2003-12-11 devnull #include <frame.h>
9 b3994ec5 2003-12-11 devnull #include <fcall.h>
10 b3994ec5 2003-12-11 devnull #include <plumb.h>
11 c1973705 2004-02-09 devnull #include <complete.h>
12 b3994ec5 2003-12-11 devnull #include "dat.h"
13 b3994ec5 2003-12-11 devnull #include "fns.h"
15 b3994ec5 2003-12-11 devnull Image *tagcols[NCOL];
16 b3994ec5 2003-12-11 devnull Image *textcols[NCOL];
17 c1973705 2004-02-09 devnull static Rune Ldot[] = { '.', 0 };
20 b3994ec5 2003-12-11 devnull TABDIR = 3 /* width of tabs in directory windows */
24 b3994ec5 2003-12-11 devnull textinit(Text *t, File *f, Rectangle r, Reffont *rf, Image *cols[NCOL])
26 b3994ec5 2003-12-11 devnull t->file = f;
27 b3994ec5 2003-12-11 devnull t->all = r;
28 b3994ec5 2003-12-11 devnull t->scrollr = r;
29 b3994ec5 2003-12-11 devnull t->scrollr.max.x = r.min.x+Scrollwid;
30 b3994ec5 2003-12-11 devnull t->lastsr = nullrect;
31 b3994ec5 2003-12-11 devnull r.min.x += Scrollwid+Scrollgap;
32 b3994ec5 2003-12-11 devnull t->eq0 = ~0;
33 b3994ec5 2003-12-11 devnull t->ncache = 0;
34 b3994ec5 2003-12-11 devnull t->reffont = rf;
35 b3994ec5 2003-12-11 devnull t->tabstop = maxtab;
36 b3994ec5 2003-12-11 devnull memmove(t->fr.cols, cols, sizeof t->fr.cols);
37 b3994ec5 2003-12-11 devnull textredraw(t, r, rf->f, screen, -1);
41 b3994ec5 2003-12-11 devnull textredraw(Text *t, Rectangle r, Font *f, Image *b, int odx)
43 b3994ec5 2003-12-11 devnull int maxt;
44 b3994ec5 2003-12-11 devnull Rectangle rr;
46 b3994ec5 2003-12-11 devnull frinit(&t->fr, r, f, b, t->fr.cols);
47 b3994ec5 2003-12-11 devnull rr = t->fr.r;
48 6d7fdb24 2004-12-27 devnull rr.min.x -= Scrollwid+Scrollgap; /* back fill to scroll bar */
49 cb92a1b4 2009-07-15 rsc if(!t->fr.noredraw)
50 cb92a1b4 2009-07-15 rsc draw(t->fr.b, rr, t->fr.cols[BACK], nil, ZP);
51 b3994ec5 2003-12-11 devnull /* use no wider than 3-space tabs in a directory */
52 b3994ec5 2003-12-11 devnull maxt = maxtab;
53 b3994ec5 2003-12-11 devnull if(t->what == Body){
54 b3994ec5 2003-12-11 devnull if(t->w->isdir)
55 b3994ec5 2003-12-11 devnull maxt = min(TABDIR, maxtab);
57 b3994ec5 2003-12-11 devnull maxt = t->tabstop;
59 b3994ec5 2003-12-11 devnull t->fr.maxtab = maxt*stringwidth(f, "0");
60 b3994ec5 2003-12-11 devnull if(t->what==Body && t->w->isdir && odx!=Dx(t->all)){
61 b3994ec5 2003-12-11 devnull if(t->fr.maxlines > 0){
62 b3994ec5 2003-12-11 devnull textreset(t);
63 b3994ec5 2003-12-11 devnull textcolumnate(t, t->w->dlp, t->w->ndl);
64 b3994ec5 2003-12-11 devnull textshow(t, 0, 0, 1);
67 b3994ec5 2003-12-11 devnull textfill(t);
68 b3994ec5 2003-12-11 devnull textsetselect(t, t->q0, t->q1);
73 33dc4226 2005-10-31 devnull textresize(Text *t, Rectangle r, int keepextra)
77 33dc4226 2005-10-31 devnull if(Dy(r) <= 0)
78 b3994ec5 2003-12-11 devnull r.max.y = r.min.y;
79 a2db69c8 2008-03-07 rsc else if(!keepextra)
80 33dc4226 2005-10-31 devnull r.max.y -= Dy(r)%t->fr.font->height;
81 0cd1385d 2008-03-07 rsc odx = Dx(t->all);
82 b3994ec5 2003-12-11 devnull t->all = r;
83 b3994ec5 2003-12-11 devnull t->scrollr = r;
84 b3994ec5 2003-12-11 devnull t->scrollr.max.x = r.min.x+Scrollwid;
85 b3994ec5 2003-12-11 devnull t->lastsr = nullrect;
86 b3994ec5 2003-12-11 devnull r.min.x += Scrollwid+Scrollgap;
87 b3994ec5 2003-12-11 devnull frclear(&t->fr, 0);
88 a2db69c8 2008-03-07 rsc textredraw(t, r, t->fr.font, t->fr.b, odx);
89 cb92a1b4 2009-07-15 rsc if(keepextra && t->fr.r.max.y < t->all.max.y && !t->fr.noredraw){
90 a2db69c8 2008-03-07 rsc /* draw background in bottom fringe of window */
91 33dc4226 2005-10-31 devnull r.min.x -= Scrollgap;
92 33dc4226 2005-10-31 devnull r.min.y = t->fr.r.max.y;
93 33dc4226 2005-10-31 devnull r.max.y = t->all.max.y;
94 33dc4226 2005-10-31 devnull draw(screen, r, t->fr.cols[BACK], nil, ZP);
96 33dc4226 2005-10-31 devnull return t->all.max.y;
100 b3994ec5 2003-12-11 devnull textclose(Text *t)
102 b3994ec5 2003-12-11 devnull free(t->cache);
103 b3994ec5 2003-12-11 devnull frclear(&t->fr, 1);
104 b3994ec5 2003-12-11 devnull filedeltext(t->file, t);
105 b3994ec5 2003-12-11 devnull t->file = nil;
106 b3994ec5 2003-12-11 devnull rfclose(t->reffont);
107 b3994ec5 2003-12-11 devnull if(argtext == t)
108 b3994ec5 2003-12-11 devnull argtext = nil;
109 b3994ec5 2003-12-11 devnull if(typetext == t)
110 b3994ec5 2003-12-11 devnull typetext = nil;
111 b3994ec5 2003-12-11 devnull if(seltext == t)
112 b3994ec5 2003-12-11 devnull seltext = nil;
113 b3994ec5 2003-12-11 devnull if(mousetext == t)
114 b3994ec5 2003-12-11 devnull mousetext = nil;
115 b3994ec5 2003-12-11 devnull if(barttext == t)
116 b3994ec5 2003-12-11 devnull barttext = nil;
120 b3994ec5 2003-12-11 devnull dircmp(const void *a, const void *b)
122 b3994ec5 2003-12-11 devnull Dirlist *da, *db;
123 b3994ec5 2003-12-11 devnull int i, n;
125 b3994ec5 2003-12-11 devnull da = *(Dirlist**)a;
126 b3994ec5 2003-12-11 devnull db = *(Dirlist**)b;
127 b3994ec5 2003-12-11 devnull n = min(da->nr, db->nr);
128 b3994ec5 2003-12-11 devnull i = memcmp(da->r, db->r, n*sizeof(Rune));
130 b3994ec5 2003-12-11 devnull return i;
131 b3994ec5 2003-12-11 devnull return da->nr - db->nr;
135 b3994ec5 2003-12-11 devnull textcolumnate(Text *t, Dirlist **dlp, int ndl)
137 b3994ec5 2003-12-11 devnull int i, j, w, colw, mint, maxt, ncol, nrow;
138 b3994ec5 2003-12-11 devnull Dirlist *dl;
139 b3994ec5 2003-12-11 devnull uint q1;
140 b3994ec5 2003-12-11 devnull static Rune Lnl[] = { '\n', 0 };
141 b3994ec5 2003-12-11 devnull static Rune Ltab[] = { '\t', 0 };
143 b3994ec5 2003-12-11 devnull if(t->file->ntext > 1)
145 b3994ec5 2003-12-11 devnull mint = stringwidth(t->fr.font, "0");
146 b3994ec5 2003-12-11 devnull /* go for narrower tabs if set more than 3 wide */
147 b3994ec5 2003-12-11 devnull t->fr.maxtab = min(maxtab, TABDIR)*mint;
148 b3994ec5 2003-12-11 devnull maxt = t->fr.maxtab;
149 b3994ec5 2003-12-11 devnull colw = 0;
150 b3994ec5 2003-12-11 devnull for(i=0; i<ndl; i++){
151 b3994ec5 2003-12-11 devnull dl = dlp[i];
152 b3994ec5 2003-12-11 devnull w = dl->wid;
153 b3994ec5 2003-12-11 devnull if(maxt-w%maxt < mint || w%maxt==0)
154 b3994ec5 2003-12-11 devnull w += mint;
155 b3994ec5 2003-12-11 devnull if(w % maxt)
156 b3994ec5 2003-12-11 devnull w += maxt-(w%maxt);
157 b3994ec5 2003-12-11 devnull if(w > colw)
158 b3994ec5 2003-12-11 devnull colw = w;
160 b3994ec5 2003-12-11 devnull if(colw == 0)
161 b3994ec5 2003-12-11 devnull ncol = 1;
163 b3994ec5 2003-12-11 devnull ncol = max(1, Dx(t->fr.r)/colw);
164 b3994ec5 2003-12-11 devnull nrow = (ndl+ncol-1)/ncol;
167 b3994ec5 2003-12-11 devnull for(i=0; i<nrow; i++){
168 b3994ec5 2003-12-11 devnull for(j=i; j<ndl; j+=nrow){
169 b3994ec5 2003-12-11 devnull dl = dlp[j];
170 b3994ec5 2003-12-11 devnull fileinsert(t->file, q1, dl->r, dl->nr);
171 b3994ec5 2003-12-11 devnull q1 += dl->nr;
172 b3994ec5 2003-12-11 devnull if(j+nrow >= ndl)
174 b3994ec5 2003-12-11 devnull w = dl->wid;
175 b3994ec5 2003-12-11 devnull if(maxt-w%maxt < mint){
176 b3994ec5 2003-12-11 devnull fileinsert(t->file, q1, Ltab, 1);
178 b3994ec5 2003-12-11 devnull w += mint;
181 b3994ec5 2003-12-11 devnull fileinsert(t->file, q1, Ltab, 1);
183 b3994ec5 2003-12-11 devnull w += maxt-(w%maxt);
184 b3994ec5 2003-12-11 devnull }while(w < colw);
186 b3994ec5 2003-12-11 devnull fileinsert(t->file, q1, Lnl, 1);
192 b3994ec5 2003-12-11 devnull textload(Text *t, uint q0, char *file, int setqid)
194 b3994ec5 2003-12-11 devnull Rune *rp;
195 b3994ec5 2003-12-11 devnull Dirlist *dl, **dlp;
196 b3994ec5 2003-12-11 devnull int fd, i, j, n, ndl, nulls;
197 b3994ec5 2003-12-11 devnull uint q, q1;
198 b3994ec5 2003-12-11 devnull Dir *d, *dbuf;
199 b3994ec5 2003-12-11 devnull char *tmp;
200 b3994ec5 2003-12-11 devnull Text *u;
202 a2db69c8 2008-03-07 rsc if(t->ncache!=0 || t->file->b.nc || t->w==nil || t!=&t->w->body)
203 b3994ec5 2003-12-11 devnull error("text.load");
204 2189e55c 2004-12-27 devnull if(t->w->isdir && t->file->nname==0){
205 6d7fdb24 2004-12-27 devnull warning(nil, "empty directory name");
206 daea2c7d 2009-09-25 russcox return -1;
208 cd5a7378 2008-04-17 rsc if(ismtpt(file)){
209 cd5a7378 2008-04-17 rsc warning(nil, "will not open self mount point %s\n", file);
210 daea2c7d 2009-09-25 russcox return -1;
212 b3994ec5 2003-12-11 devnull fd = open(file, OREAD);
213 b3994ec5 2003-12-11 devnull if(fd < 0){
214 b3994ec5 2003-12-11 devnull warning(nil, "can't open %s: %r\n", file);
215 daea2c7d 2009-09-25 russcox return -1;
217 b3994ec5 2003-12-11 devnull d = dirfstat(fd);
218 b3994ec5 2003-12-11 devnull if(d == nil){
219 b3994ec5 2003-12-11 devnull warning(nil, "can't fstat %s: %r\n", file);
220 b3994ec5 2003-12-11 devnull goto Rescue;
222 b3994ec5 2003-12-11 devnull nulls = FALSE;
223 b3994ec5 2003-12-11 devnull if(d->qid.type & QTDIR){
224 b3994ec5 2003-12-11 devnull /* this is checked in get() but it's possible the file changed underfoot */
225 b3994ec5 2003-12-11 devnull if(t->file->ntext > 1){
226 b3994ec5 2003-12-11 devnull warning(nil, "%s is a directory; can't read with multiple windows on it\n", file);
227 b3994ec5 2003-12-11 devnull goto Rescue;
229 b3994ec5 2003-12-11 devnull t->w->isdir = TRUE;
230 b3994ec5 2003-12-11 devnull t->w->filemenu = FALSE;
231 b3994ec5 2003-12-11 devnull if(t->file->name[t->file->nname-1] != '/'){
232 b3994ec5 2003-12-11 devnull rp = runemalloc(t->file->nname+1);
233 b3994ec5 2003-12-11 devnull runemove(rp, t->file->name, t->file->nname);
234 b3994ec5 2003-12-11 devnull rp[t->file->nname] = '/';
235 b3994ec5 2003-12-11 devnull winsetname(t->w, rp, t->file->nname+1);
236 b3994ec5 2003-12-11 devnull free(rp);
238 b3994ec5 2003-12-11 devnull dlp = nil;
239 b3994ec5 2003-12-11 devnull ndl = 0;
240 b3994ec5 2003-12-11 devnull dbuf = nil;
241 b3994ec5 2003-12-11 devnull while((n=dirread(fd, &dbuf)) > 0){
242 b3994ec5 2003-12-11 devnull for(i=0; i<n; i++){
243 b3994ec5 2003-12-11 devnull dl = emalloc(sizeof(Dirlist));
244 b3994ec5 2003-12-11 devnull j = strlen(dbuf[i].name);
245 b3994ec5 2003-12-11 devnull tmp = emalloc(j+1+1);
246 b3994ec5 2003-12-11 devnull memmove(tmp, dbuf[i].name, j);
247 b3994ec5 2003-12-11 devnull if(dbuf[i].qid.type & QTDIR)
248 b3994ec5 2003-12-11 devnull tmp[j++] = '/';
249 b3994ec5 2003-12-11 devnull tmp[j] = '\0';
250 b3994ec5 2003-12-11 devnull dl->r = bytetorune(tmp, &dl->nr);
251 b3994ec5 2003-12-11 devnull dl->wid = stringwidth(t->fr.font, tmp);
252 b3994ec5 2003-12-11 devnull free(tmp);
254 b3994ec5 2003-12-11 devnull dlp = realloc(dlp, ndl*sizeof(Dirlist*));
255 b3994ec5 2003-12-11 devnull dlp[ndl-1] = dl;
257 b3994ec5 2003-12-11 devnull free(dbuf);
259 b3994ec5 2003-12-11 devnull qsort(dlp, ndl, sizeof(Dirlist*), dircmp);
260 b3994ec5 2003-12-11 devnull t->w->dlp = dlp;
261 b3994ec5 2003-12-11 devnull t->w->ndl = ndl;
262 b3994ec5 2003-12-11 devnull textcolumnate(t, dlp, ndl);
263 b3994ec5 2003-12-11 devnull q1 = t->file->b.nc;
265 b3994ec5 2003-12-11 devnull t->w->isdir = FALSE;
266 b3994ec5 2003-12-11 devnull t->w->filemenu = TRUE;
267 b3994ec5 2003-12-11 devnull q1 = q0 + fileload(t->file, q0, fd, &nulls);
269 b3994ec5 2003-12-11 devnull if(setqid){
270 b3994ec5 2003-12-11 devnull t->file->dev = d->dev;
271 b3994ec5 2003-12-11 devnull t->file->mtime = d->mtime;
272 b3994ec5 2003-12-11 devnull t->file->qidpath = d->qid.path;
274 b3994ec5 2003-12-11 devnull close(fd);
275 b3994ec5 2003-12-11 devnull rp = fbufalloc();
276 b3994ec5 2003-12-11 devnull for(q=q0; q<q1; q+=n){
277 b3994ec5 2003-12-11 devnull n = q1-q;
278 b3994ec5 2003-12-11 devnull if(n > RBUFSIZE)
279 b3994ec5 2003-12-11 devnull n = RBUFSIZE;
280 b3994ec5 2003-12-11 devnull bufread(&t->file->b, q, rp, n);
281 b3994ec5 2003-12-11 devnull if(q < t->org)
282 b3994ec5 2003-12-11 devnull t->org += n;
283 b3994ec5 2003-12-11 devnull else if(q <= t->org+t->fr.nchars)
284 b3994ec5 2003-12-11 devnull frinsert(&t->fr, rp, rp+n, q-t->org);
285 b3994ec5 2003-12-11 devnull if(t->fr.lastlinefull)
288 b3994ec5 2003-12-11 devnull fbuffree(rp);
289 b3994ec5 2003-12-11 devnull for(i=0; i<t->file->ntext; i++){
290 b3994ec5 2003-12-11 devnull u = t->file->text[i];
291 b3994ec5 2003-12-11 devnull if(u != t){
292 b3994ec5 2003-12-11 devnull if(u->org > u->file->b.nc) /* will be 0 because of reset(), but safety first */
293 b3994ec5 2003-12-11 devnull u->org = 0;
294 33dc4226 2005-10-31 devnull textresize(u, u->all, TRUE);
295 b3994ec5 2003-12-11 devnull textbacknl(u, u->org, 0); /* go to beginning of line */
297 b3994ec5 2003-12-11 devnull textsetselect(u, q0, q0);
299 b3994ec5 2003-12-11 devnull if(nulls)
300 b3994ec5 2003-12-11 devnull warning(nil, "%s: NUL bytes elided\n", file);
301 b3994ec5 2003-12-11 devnull free(d);
302 b3994ec5 2003-12-11 devnull return q1-q0;
305 b3994ec5 2003-12-11 devnull close(fd);
306 daea2c7d 2009-09-25 russcox return -1;
310 b3994ec5 2003-12-11 devnull textbsinsert(Text *t, uint q0, Rune *r, uint n, int tofile, int *nrp)
312 b3994ec5 2003-12-11 devnull Rune *bp, *tp, *up;
313 b3994ec5 2003-12-11 devnull int i, initial;
315 b3994ec5 2003-12-11 devnull if(t->what == Tag){ /* can't happen but safety first: mustn't backspace over file name */
317 b3994ec5 2003-12-11 devnull textinsert(t, q0, r, n, tofile);
318 b3994ec5 2003-12-11 devnull *nrp = n;
319 b3994ec5 2003-12-11 devnull return q0;
322 b3994ec5 2003-12-11 devnull for(i=0; i<n; i++)
323 b3994ec5 2003-12-11 devnull if(*bp++ == '\b'){
325 b3994ec5 2003-12-11 devnull initial = 0;
326 b3994ec5 2003-12-11 devnull tp = runemalloc(n);
327 b3994ec5 2003-12-11 devnull runemove(tp, r, i);
328 b3994ec5 2003-12-11 devnull up = tp+i;
329 b3994ec5 2003-12-11 devnull for(; i<n; i++){
330 b3994ec5 2003-12-11 devnull *up = *bp++;
331 b3994ec5 2003-12-11 devnull if(*up == '\b')
332 b3994ec5 2003-12-11 devnull if(up == tp)
333 b3994ec5 2003-12-11 devnull initial++;
339 b3994ec5 2003-12-11 devnull if(initial){
340 b3994ec5 2003-12-11 devnull if(initial > q0)
341 b3994ec5 2003-12-11 devnull initial = q0;
342 b3994ec5 2003-12-11 devnull q0 -= initial;
343 b3994ec5 2003-12-11 devnull textdelete(t, q0, q0+initial, tofile);
345 b3994ec5 2003-12-11 devnull n = up-tp;
346 b3994ec5 2003-12-11 devnull textinsert(t, q0, tp, n, tofile);
347 b3994ec5 2003-12-11 devnull free(tp);
348 b3994ec5 2003-12-11 devnull *nrp = n;
349 b3994ec5 2003-12-11 devnull return q0;
351 b3994ec5 2003-12-11 devnull goto Err;
355 b3994ec5 2003-12-11 devnull textinsert(Text *t, uint q0, Rune *r, uint n, int tofile)
357 b3994ec5 2003-12-11 devnull int c, i;
358 b3994ec5 2003-12-11 devnull Text *u;
360 b3994ec5 2003-12-11 devnull if(tofile && t->ncache != 0)
361 b3994ec5 2003-12-11 devnull error("text.insert");
362 b3994ec5 2003-12-11 devnull if(n == 0)
364 b3994ec5 2003-12-11 devnull if(tofile){
365 b3994ec5 2003-12-11 devnull fileinsert(t->file, q0, r, n);
366 b3994ec5 2003-12-11 devnull if(t->what == Body){
367 b3994ec5 2003-12-11 devnull t->w->dirty = TRUE;
368 b3994ec5 2003-12-11 devnull t->w->utflastqid = -1;
370 b3994ec5 2003-12-11 devnull if(t->file->ntext > 1)
371 b3994ec5 2003-12-11 devnull for(i=0; i<t->file->ntext; i++){
372 b3994ec5 2003-12-11 devnull u = t->file->text[i];
373 b3994ec5 2003-12-11 devnull if(u != t){
374 b3994ec5 2003-12-11 devnull u->w->dirty = TRUE; /* always a body */
375 b3994ec5 2003-12-11 devnull textinsert(u, q0, r, n, FALSE);
376 b3994ec5 2003-12-11 devnull textsetselect(u, u->q0, u->q1);
377 b3994ec5 2003-12-11 devnull textscrdraw(u);
382 76864eb6 2011-08-02 rsc if(q0 < t->iq1)
383 76864eb6 2011-08-02 rsc t->iq1 += n;
384 b3994ec5 2003-12-11 devnull if(q0 < t->q1)
385 b3994ec5 2003-12-11 devnull t->q1 += n;
386 b3994ec5 2003-12-11 devnull if(q0 < t->q0)
387 b3994ec5 2003-12-11 devnull t->q0 += n;
388 b3994ec5 2003-12-11 devnull if(q0 < t->org)
389 b3994ec5 2003-12-11 devnull t->org += n;
390 b3994ec5 2003-12-11 devnull else if(q0 <= t->org+t->fr.nchars)
391 b3994ec5 2003-12-11 devnull frinsert(&t->fr, r, r+n, q0-t->org);
392 b3994ec5 2003-12-11 devnull if(t->w){
393 b3994ec5 2003-12-11 devnull c = 'i';
394 b3994ec5 2003-12-11 devnull if(t->what == Body)
395 b3994ec5 2003-12-11 devnull c = 'I';
396 b3994ec5 2003-12-11 devnull if(n <= EVENTSIZE)
397 b3994ec5 2003-12-11 devnull winevent(t->w, "%c%d %d 0 %d %.*S\n", c, q0, q0+n, n, n, r);
399 b3994ec5 2003-12-11 devnull winevent(t->w, "%c%d %d 0 0 \n", c, q0, q0+n, n);
404 2a373ea4 2005-03-18 devnull typecommit(Text *t)
406 2a373ea4 2005-03-18 devnull if(t->w != nil)
407 2a373ea4 2005-03-18 devnull wincommit(t->w, t);
409 2a373ea4 2005-03-18 devnull textcommit(t, TRUE);
413 b3994ec5 2003-12-11 devnull textfill(Text *t)
415 b3994ec5 2003-12-11 devnull Rune *rp;
416 b3994ec5 2003-12-11 devnull int i, n, m, nl;
418 b3994ec5 2003-12-11 devnull if(t->fr.lastlinefull || t->nofill)
420 2a373ea4 2005-03-18 devnull if(t->ncache > 0)
421 2a373ea4 2005-03-18 devnull typecommit(t);
422 b3994ec5 2003-12-11 devnull rp = fbufalloc();
424 b3994ec5 2003-12-11 devnull n = t->file->b.nc-(t->org+t->fr.nchars);
425 b3994ec5 2003-12-11 devnull if(n == 0)
427 b3994ec5 2003-12-11 devnull if(n > 2000) /* educated guess at reasonable amount */
428 b3994ec5 2003-12-11 devnull n = 2000;
429 b3994ec5 2003-12-11 devnull bufread(&t->file->b, t->org+t->fr.nchars, rp, n);
431 b3994ec5 2003-12-11 devnull * it's expensive to frinsert more than we need, so
432 b3994ec5 2003-12-11 devnull * count newlines.
434 b3994ec5 2003-12-11 devnull nl = t->fr.maxlines-t->fr.nlines;
436 b3994ec5 2003-12-11 devnull for(i=0; i<n; ){
437 b3994ec5 2003-12-11 devnull if(rp[i++] == '\n'){
439 b3994ec5 2003-12-11 devnull if(m >= nl)
443 b3994ec5 2003-12-11 devnull frinsert(&t->fr, rp, rp+i, t->fr.nchars);
444 b3994ec5 2003-12-11 devnull }while(t->fr.lastlinefull == FALSE);
445 b3994ec5 2003-12-11 devnull fbuffree(rp);
449 b3994ec5 2003-12-11 devnull textdelete(Text *t, uint q0, uint q1, int tofile)
451 b3994ec5 2003-12-11 devnull uint n, p0, p1;
452 b3994ec5 2003-12-11 devnull int i, c;
453 b3994ec5 2003-12-11 devnull Text *u;
455 b3994ec5 2003-12-11 devnull if(tofile && t->ncache != 0)
456 b3994ec5 2003-12-11 devnull error("text.delete");
457 b3994ec5 2003-12-11 devnull n = q1-q0;
458 b3994ec5 2003-12-11 devnull if(n == 0)
460 b3994ec5 2003-12-11 devnull if(tofile){
461 b3994ec5 2003-12-11 devnull filedelete(t->file, q0, q1);
462 b3994ec5 2003-12-11 devnull if(t->what == Body){
463 b3994ec5 2003-12-11 devnull t->w->dirty = TRUE;
464 b3994ec5 2003-12-11 devnull t->w->utflastqid = -1;
466 b3994ec5 2003-12-11 devnull if(t->file->ntext > 1)
467 b3994ec5 2003-12-11 devnull for(i=0; i<t->file->ntext; i++){
468 b3994ec5 2003-12-11 devnull u = t->file->text[i];
469 b3994ec5 2003-12-11 devnull if(u != t){
470 b3994ec5 2003-12-11 devnull u->w->dirty = TRUE; /* always a body */
471 b3994ec5 2003-12-11 devnull textdelete(u, q0, q1, FALSE);
472 b3994ec5 2003-12-11 devnull textsetselect(u, u->q0, u->q1);
473 b3994ec5 2003-12-11 devnull textscrdraw(u);
477 da7e3a5d 2011-08-02 rsc if(q0 < t->iq1)
478 76864eb6 2011-08-02 rsc t->iq1 -= min(n, t->iq1-q0);
479 b3994ec5 2003-12-11 devnull if(q0 < t->q0)
480 b3994ec5 2003-12-11 devnull t->q0 -= min(n, t->q0-q0);
481 b3994ec5 2003-12-11 devnull if(q0 < t->q1)
482 b3994ec5 2003-12-11 devnull t->q1 -= min(n, t->q1-q0);
483 b3994ec5 2003-12-11 devnull if(q1 <= t->org)
484 b3994ec5 2003-12-11 devnull t->org -= n;
485 b3994ec5 2003-12-11 devnull else if(q0 < t->org+t->fr.nchars){
486 b3994ec5 2003-12-11 devnull p1 = q1 - t->org;
487 b3994ec5 2003-12-11 devnull if(p1 > t->fr.nchars)
488 b3994ec5 2003-12-11 devnull p1 = t->fr.nchars;
489 b3994ec5 2003-12-11 devnull if(q0 < t->org){
490 b3994ec5 2003-12-11 devnull t->org = q0;
493 b3994ec5 2003-12-11 devnull p0 = q0 - t->org;
494 b3994ec5 2003-12-11 devnull frdelete(&t->fr, p0, p1);
495 b3994ec5 2003-12-11 devnull textfill(t);
497 b3994ec5 2003-12-11 devnull if(t->w){
498 b3994ec5 2003-12-11 devnull c = 'd';
499 b3994ec5 2003-12-11 devnull if(t->what == Body)
500 b3994ec5 2003-12-11 devnull c = 'D';
501 b3994ec5 2003-12-11 devnull winevent(t->w, "%c%d %d 0 0 \n", c, q0, q1);
506 b3994ec5 2003-12-11 devnull textconstrain(Text *t, uint q0, uint q1, uint *p0, uint *p1)
508 b3994ec5 2003-12-11 devnull *p0 = min(q0, t->file->b.nc);
509 b3994ec5 2003-12-11 devnull *p1 = min(q1, t->file->b.nc);
513 b3994ec5 2003-12-11 devnull textreadc(Text *t, uint q)
517 b3994ec5 2003-12-11 devnull if(t->cq0<=q && q<t->cq0+t->ncache)
518 b3994ec5 2003-12-11 devnull r = t->cache[q-t->cq0];
520 b3994ec5 2003-12-11 devnull bufread(&t->file->b, q, &r, 1);
521 b3994ec5 2003-12-11 devnull return r;
525 b3994ec5 2003-12-11 devnull textbswidth(Text *t, Rune c)
527 b3994ec5 2003-12-11 devnull uint q, eq;
529 b3994ec5 2003-12-11 devnull int skipping;
531 b3994ec5 2003-12-11 devnull /* there is known to be at least one character to erase */
532 b3994ec5 2003-12-11 devnull if(c == 0x08) /* ^H: erase character */
533 b3994ec5 2003-12-11 devnull return 1;
534 b3994ec5 2003-12-11 devnull q = t->q0;
535 b3994ec5 2003-12-11 devnull skipping = TRUE;
536 b3994ec5 2003-12-11 devnull while(q > 0){
537 b3994ec5 2003-12-11 devnull r = textreadc(t, q-1);
538 b3994ec5 2003-12-11 devnull if(r == '\n'){ /* eat at most one more character */
539 b3994ec5 2003-12-11 devnull if(q == t->q0) /* eat the newline */
543 b3994ec5 2003-12-11 devnull if(c == 0x17){
544 b3994ec5 2003-12-11 devnull eq = isalnum(r);
545 b3994ec5 2003-12-11 devnull if(eq && skipping) /* found one; stop skipping */
546 b3994ec5 2003-12-11 devnull skipping = FALSE;
547 b3994ec5 2003-12-11 devnull else if(!eq && !skipping)
552 b3994ec5 2003-12-11 devnull return t->q0-q;
556 c1973705 2004-02-09 devnull textfilewidth(Text *t, uint q0, int oneelement)
562 c1973705 2004-02-09 devnull while(q > 0){
563 c1973705 2004-02-09 devnull r = textreadc(t, q-1);
564 5a8e63b2 2004-02-29 devnull if(r <= ' ')
566 c1973705 2004-02-09 devnull if(oneelement && r=='/')
570 c1973705 2004-02-09 devnull return q0-q;
574 c1973705 2004-02-09 devnull textcomplete(Text *t)
576 c1973705 2004-02-09 devnull int i, nstr, npath;
578 c1973705 2004-02-09 devnull Rune tmp[200];
579 c1973705 2004-02-09 devnull Rune *str, *path;
580 c1973705 2004-02-09 devnull Rune *rp;
581 c1973705 2004-02-09 devnull Completion *c;
582 c1973705 2004-02-09 devnull char *s, *dirs;
583 c1973705 2004-02-09 devnull Runestr dir;
585 c1973705 2004-02-09 devnull /* control-f: filename completion; works back to white space or / */
586 c1973705 2004-02-09 devnull if(t->q0<t->file->b.nc && textreadc(t, t->q0)>' ') /* must be at end of word */
587 c1973705 2004-02-09 devnull return nil;
588 c1973705 2004-02-09 devnull nstr = textfilewidth(t, t->q0, TRUE);
589 c1973705 2004-02-09 devnull str = runemalloc(nstr);
590 c1973705 2004-02-09 devnull npath = textfilewidth(t, t->q0-nstr, FALSE);
591 c1973705 2004-02-09 devnull path = runemalloc(npath);
593 c1973705 2004-02-09 devnull c = nil;
594 c1973705 2004-02-09 devnull rp = nil;
595 c1973705 2004-02-09 devnull dirs = nil;
597 c1973705 2004-02-09 devnull q = t->q0-nstr;
598 c1973705 2004-02-09 devnull for(i=0; i<nstr; i++)
599 c1973705 2004-02-09 devnull str[i] = textreadc(t, q++);
600 c1973705 2004-02-09 devnull q = t->q0-nstr-npath;
601 c1973705 2004-02-09 devnull for(i=0; i<npath; i++)
602 c1973705 2004-02-09 devnull path[i] = textreadc(t, q++);
603 c1973705 2004-02-09 devnull /* is path rooted? if not, we need to make it relative to window path */
604 c1973705 2004-02-09 devnull if(npath>0 && path[0]=='/')
605 8ad51794 2004-03-25 devnull dir = runestr(path, npath);
607 c1973705 2004-02-09 devnull dir = dirname(t, nil, 0);
608 c1973705 2004-02-09 devnull if(dir.nr + 1 + npath > nelem(tmp)){
609 c1973705 2004-02-09 devnull free(dir.r);
610 c1973705 2004-02-09 devnull goto Return;
612 c1973705 2004-02-09 devnull if(dir.nr == 0){
613 c1973705 2004-02-09 devnull dir.nr = 1;
614 c1973705 2004-02-09 devnull dir.r = runestrdup(Ldot);
616 c1973705 2004-02-09 devnull runemove(tmp, dir.r, dir.nr);
617 c1973705 2004-02-09 devnull tmp[dir.nr] = '/';
618 c1973705 2004-02-09 devnull runemove(tmp+dir.nr+1, path, npath);
619 c1973705 2004-02-09 devnull free(dir.r);
620 c1973705 2004-02-09 devnull dir.r = tmp;
621 c1973705 2004-02-09 devnull dir.nr += 1+npath;
622 c1973705 2004-02-09 devnull dir = cleanrname(dir);
625 c1973705 2004-02-09 devnull s = smprint("%.*S", nstr, str);
626 c1973705 2004-02-09 devnull dirs = smprint("%.*S", dir.nr, dir.r);
627 c1973705 2004-02-09 devnull c = complete(dirs, s);
628 c1973705 2004-02-09 devnull free(s);
629 c1973705 2004-02-09 devnull if(c == nil){
630 c1973705 2004-02-09 devnull warning(nil, "error attempting completion: %r\n");
631 c1973705 2004-02-09 devnull goto Return;
634 c1973705 2004-02-09 devnull if(!c->advance){
635 5a8e63b2 2004-02-29 devnull warning(nil, "%.*S%s%.*S*%s\n",
636 c1973705 2004-02-09 devnull dir.nr, dir.r,
637 c1973705 2004-02-09 devnull dir.nr>0 && dir.r[dir.nr-1]!='/' ? "/" : "",
638 5a8e63b2 2004-02-29 devnull nstr, str,
639 5a8e63b2 2004-02-29 devnull c->nmatch ? "" : ": no matches in:");
640 c1973705 2004-02-09 devnull for(i=0; i<c->nfile; i++)
641 c1973705 2004-02-09 devnull warning(nil, " %s\n", c->filename[i]);
644 c1973705 2004-02-09 devnull if(c->advance)
645 c1973705 2004-02-09 devnull rp = runesmprint("%s", c->string);
647 c1973705 2004-02-09 devnull rp = nil;
649 c1973705 2004-02-09 devnull freecompletion(c);
650 c1973705 2004-02-09 devnull free(dirs);
651 c1973705 2004-02-09 devnull free(str);
652 c1973705 2004-02-09 devnull free(path);
653 c1973705 2004-02-09 devnull return rp;
657 b3994ec5 2003-12-11 devnull texttype(Text *t, Rune r)
659 b3994ec5 2003-12-11 devnull uint q0, q1;
660 b3994ec5 2003-12-11 devnull int nnb, nb, n, i;
662 c1973705 2004-02-09 devnull Rune *rp;
663 b3994ec5 2003-12-11 devnull Text *u;
665 f8dea3c1 2005-12-16 devnull if(t->what!=Body && t->what!=Tag && r=='\n')
667 f8dea3c1 2005-12-16 devnull if(t->what == Tag)
668 f8dea3c1 2005-12-16 devnull t->w->tagsafe = FALSE;
671 c1973705 2004-02-09 devnull rp = &r;
672 b3994ec5 2003-12-11 devnull switch(r){
673 b3994ec5 2003-12-11 devnull case Kleft:
674 81c30b5a 2011-11-17 rsc typecommit(t);
675 81c30b5a 2011-11-17 rsc if(t->q0 > 0)
676 c1973705 2004-02-09 devnull textshow(t, t->q0-1, t->q0-1, TRUE);
678 b3994ec5 2003-12-11 devnull case Kright:
679 81c30b5a 2011-11-17 rsc typecommit(t);
680 81c30b5a 2011-11-17 rsc if(t->q1 < t->file->b.nc)
681 c1973705 2004-02-09 devnull textshow(t, t->q1+1, t->q1+1, TRUE);
683 c1973705 2004-02-09 devnull case Kdown:
684 f8dea3c1 2005-12-16 devnull if(t->what == Tag)
685 f8dea3c1 2005-12-16 devnull goto Tagdown;
686 5a8e63b2 2004-02-29 devnull n = t->fr.maxlines/3;
687 c16f1f73 2004-06-09 devnull goto case_Down;
688 c16f1f73 2004-06-09 devnull case Kscrollonedown:
689 f8dea3c1 2005-12-16 devnull if(t->what == Tag)
690 f8dea3c1 2005-12-16 devnull goto Tagdown;
691 64055489 2004-06-20 devnull n = mousescrollsize(t->fr.maxlines);
692 038aa022 2004-06-11 devnull if(n <= 0)
694 5a8e63b2 2004-02-29 devnull goto case_Down;
695 c1973705 2004-02-09 devnull case Kpgdown:
696 5a8e63b2 2004-02-29 devnull n = 2*t->fr.maxlines/3;
697 5a8e63b2 2004-02-29 devnull case_Down:
698 b3994ec5 2003-12-11 devnull q0 = t->org+frcharofpt(&t->fr, Pt(t->fr.r.min.x, t->fr.r.min.y+n*t->fr.font->height));
699 64055489 2004-06-20 devnull textsetorigin(t, q0, TRUE);
701 b3994ec5 2003-12-11 devnull case Kup:
702 f8dea3c1 2005-12-16 devnull if(t->what == Tag)
703 f8dea3c1 2005-12-16 devnull goto Tagup;
704 5a8e63b2 2004-02-29 devnull n = t->fr.maxlines/3;
705 5a8e63b2 2004-02-29 devnull goto case_Up;
706 c16f1f73 2004-06-09 devnull case Kscrolloneup:
707 f8dea3c1 2005-12-16 devnull if(t->what == Tag)
708 f8dea3c1 2005-12-16 devnull goto Tagup;
709 64055489 2004-06-20 devnull n = mousescrollsize(t->fr.maxlines);
710 c16f1f73 2004-06-09 devnull goto case_Up;
711 c1973705 2004-02-09 devnull case Kpgup:
712 5a8e63b2 2004-02-29 devnull n = 2*t->fr.maxlines/3;
713 5a8e63b2 2004-02-29 devnull case_Up:
714 b3994ec5 2003-12-11 devnull q0 = textbacknl(t, t->org, n);
715 64055489 2004-06-20 devnull textsetorigin(t, q0, TRUE);
717 5a8e63b2 2004-02-29 devnull case Khome:
718 2a373ea4 2005-03-18 devnull typecommit(t);
719 76864eb6 2011-08-02 rsc if(t->org > t->iq1) {
720 76864eb6 2011-08-02 rsc q0 = textbacknl(t, t->iq1, 1);
721 76864eb6 2011-08-02 rsc textsetorigin(t, q0, TRUE);
723 76864eb6 2011-08-02 rsc textshow(t, 0, 0, FALSE);
725 5a8e63b2 2004-02-29 devnull case Kend:
726 2a373ea4 2005-03-18 devnull typecommit(t);
727 76864eb6 2011-08-02 rsc if(t->iq1 > t->org+t->fr.nchars) {
728 76864eb6 2011-08-02 rsc q0 = textbacknl(t, t->iq1, 1);
729 76864eb6 2011-08-02 rsc textsetorigin(t, q0, TRUE);
731 76864eb6 2011-08-02 rsc textshow(t, t->file->b.nc, t->file->b.nc, FALSE);
733 2a373ea4 2005-03-18 devnull case 0x01: /* ^A: beginning of line */
734 2a373ea4 2005-03-18 devnull typecommit(t);
735 2a373ea4 2005-03-18 devnull /* go to where ^U would erase, if not already at BOL */
736 2a373ea4 2005-03-18 devnull nnb = 0;
737 2a373ea4 2005-03-18 devnull if(t->q0>0 && textreadc(t, t->q0-1)!='\n')
738 2a373ea4 2005-03-18 devnull nnb = textbswidth(t, 0x15);
739 2a373ea4 2005-03-18 devnull textshow(t, t->q0-nnb, t->q0-nnb, TRUE);
741 2a373ea4 2005-03-18 devnull case 0x05: /* ^E: end of line */
742 2a373ea4 2005-03-18 devnull typecommit(t);
743 2a373ea4 2005-03-18 devnull q0 = t->q0;
744 2a373ea4 2005-03-18 devnull while(q0<t->file->b.nc && textreadc(t, q0)!='\n')
746 2a373ea4 2005-03-18 devnull textshow(t, q0, q0, TRUE);
748 4aad1a32 2009-04-30 rsc case Kcmd+'c': /* %C: copy */
749 4aad1a32 2009-04-30 rsc typecommit(t);
750 4aad1a32 2009-04-30 rsc cut(t, t, nil, TRUE, FALSE, nil, 0);
752 a287dbab 2011-09-06 rsc case Kcmd+'z': /* %Z: undo */
753 a287dbab 2011-09-06 rsc typecommit(t);
754 a287dbab 2011-09-06 rsc undo(t, nil, nil, TRUE, 0, nil, 0);
757 f8dea3c1 2005-12-16 devnull Tagdown:
758 f8dea3c1 2005-12-16 devnull /* expand tag to show all text */
759 f8dea3c1 2005-12-16 devnull if(!t->w->tagexpand){
760 f8dea3c1 2005-12-16 devnull t->w->tagexpand = TRUE;
761 f8dea3c1 2005-12-16 devnull winresize(t->w, t->w->r, FALSE, TRUE);
766 f8dea3c1 2005-12-16 devnull /* shrink tag to single line */
767 f8dea3c1 2005-12-16 devnull if(t->w->tagexpand){
768 f8dea3c1 2005-12-16 devnull t->w->tagexpand = FALSE;
769 f8dea3c1 2005-12-16 devnull t->w->taglines = 1;
770 f8dea3c1 2005-12-16 devnull winresize(t->w, t->w->r, FALSE, TRUE);
774 b3994ec5 2003-12-11 devnull if(t->what == Body){
776 b3994ec5 2003-12-11 devnull filemark(t->file);
778 4aad1a32 2009-04-30 rsc /* cut/paste must be done after the seq++/filemark */
780 4aad1a32 2009-04-30 rsc case Kcmd+'x': /* %X: cut */
781 4aad1a32 2009-04-30 rsc typecommit(t);
782 4aad1a32 2009-04-30 rsc if(t->what == Body){
784 4aad1a32 2009-04-30 rsc filemark(t->file);
786 4aad1a32 2009-04-30 rsc cut(t, t, nil, TRUE, TRUE, nil, 0);
787 4aad1a32 2009-04-30 rsc textshow(t, t->q0, t->q0, 1);
788 76864eb6 2011-08-02 rsc t->iq1 = t->q0;
790 4aad1a32 2009-04-30 rsc case Kcmd+'v': /* %V: paste */
791 4aad1a32 2009-04-30 rsc typecommit(t);
792 4aad1a32 2009-04-30 rsc if(t->what == Body){
794 4aad1a32 2009-04-30 rsc filemark(t->file);
796 4aad1a32 2009-04-30 rsc paste(t, t, nil, TRUE, FALSE, nil, 0);
797 4aad1a32 2009-04-30 rsc textshow(t, t->q0, t->q1, 1);
798 76864eb6 2011-08-02 rsc t->iq1 = t->q1;
801 b3994ec5 2003-12-11 devnull if(t->q1 > t->q0){
802 b3994ec5 2003-12-11 devnull if(t->ncache != 0)
803 b3994ec5 2003-12-11 devnull error("text.type");
804 b3994ec5 2003-12-11 devnull cut(t, t, nil, TRUE, TRUE, nil, 0);
805 b3994ec5 2003-12-11 devnull t->eq0 = ~0;
807 b3994ec5 2003-12-11 devnull textshow(t, t->q0, t->q0, 1);
808 b3994ec5 2003-12-11 devnull switch(r){
809 c1973705 2004-02-09 devnull case 0x06: /* ^F: complete */
810 c1973705 2004-02-09 devnull case Kins:
811 c1973705 2004-02-09 devnull rp = textcomplete(t);
812 c1973705 2004-02-09 devnull if(rp == nil)
814 c1973705 2004-02-09 devnull nr = runestrlen(rp);
815 c1973705 2004-02-09 devnull break; /* fall through to normal insertion case */
816 b3994ec5 2003-12-11 devnull case 0x1B:
817 b3994ec5 2003-12-11 devnull if(t->eq0 != ~0)
818 b3994ec5 2003-12-11 devnull textsetselect(t, t->eq0, t->q0);
819 5544aaf9 2005-03-18 devnull if(t->ncache > 0)
820 5544aaf9 2005-03-18 devnull typecommit(t);
821 76864eb6 2011-08-02 rsc t->iq1 = t->q0;
823 b3994ec5 2003-12-11 devnull case 0x08: /* ^H: erase character */
824 b3994ec5 2003-12-11 devnull case 0x15: /* ^U: erase line */
825 b3994ec5 2003-12-11 devnull case 0x17: /* ^W: erase word */
826 b3994ec5 2003-12-11 devnull if(t->q0 == 0) /* nothing to erase */
828 b3994ec5 2003-12-11 devnull nnb = textbswidth(t, r);
829 b3994ec5 2003-12-11 devnull q1 = t->q0;
830 b3994ec5 2003-12-11 devnull q0 = q1-nnb;
831 b3994ec5 2003-12-11 devnull /* if selection is at beginning of window, avoid deleting invisible text */
832 b3994ec5 2003-12-11 devnull if(q0 < t->org){
833 b3994ec5 2003-12-11 devnull q0 = t->org;
834 b3994ec5 2003-12-11 devnull nnb = q1-q0;
836 b3994ec5 2003-12-11 devnull if(nnb <= 0)
838 b3994ec5 2003-12-11 devnull for(i=0; i<t->file->ntext; i++){
839 b3994ec5 2003-12-11 devnull u = t->file->text[i];
840 b3994ec5 2003-12-11 devnull u->nofill = TRUE;
841 b3994ec5 2003-12-11 devnull nb = nnb;
842 b3994ec5 2003-12-11 devnull n = u->ncache;
843 b3994ec5 2003-12-11 devnull if(n > 0){
844 b3994ec5 2003-12-11 devnull if(q1 != u->cq0+n)
845 b3994ec5 2003-12-11 devnull error("text.type backspace");
846 b3994ec5 2003-12-11 devnull if(n > nb)
848 b3994ec5 2003-12-11 devnull u->ncache -= n;
849 b3994ec5 2003-12-11 devnull textdelete(u, q1-n, q1, FALSE);
850 b3994ec5 2003-12-11 devnull nb -= n;
852 b3994ec5 2003-12-11 devnull if(u->eq0==q1 || u->eq0==~0)
853 b3994ec5 2003-12-11 devnull u->eq0 = q0;
854 b3994ec5 2003-12-11 devnull if(nb && u==t)
855 b3994ec5 2003-12-11 devnull textdelete(u, q0, q0+nb, TRUE);
856 b3994ec5 2003-12-11 devnull if(u != t)
857 b3994ec5 2003-12-11 devnull textsetselect(u, u->q0, u->q1);
859 b3994ec5 2003-12-11 devnull textsetselect(t, q0, q0);
860 b3994ec5 2003-12-11 devnull u->nofill = FALSE;
862 b3994ec5 2003-12-11 devnull for(i=0; i<t->file->ntext; i++)
863 b3994ec5 2003-12-11 devnull textfill(t->file->text[i]);
864 76864eb6 2011-08-02 rsc t->iq1 = t->q0;
866 5a8e63b2 2004-02-29 devnull case '\n':
867 5a8e63b2 2004-02-29 devnull if(t->w->autoindent){
868 5a8e63b2 2004-02-29 devnull /* find beginning of previous line using backspace code */
869 5a8e63b2 2004-02-29 devnull nnb = textbswidth(t, 0x15); /* ^U case */
870 5a8e63b2 2004-02-29 devnull rp = runemalloc(nnb + 1);
872 5a8e63b2 2004-02-29 devnull rp[nr++] = r;
873 5a8e63b2 2004-02-29 devnull for(i=0; i<nnb; i++){
874 5a8e63b2 2004-02-29 devnull r = textreadc(t, t->q0-nnb+i);
875 5a8e63b2 2004-02-29 devnull if(r != ' ' && r != '\t')
877 5a8e63b2 2004-02-29 devnull rp[nr++] = r;
880 5a8e63b2 2004-02-29 devnull break; /* fall through to normal code */
882 b3994ec5 2003-12-11 devnull /* otherwise ordinary character; just insert, typically in caches of all texts */
883 b3994ec5 2003-12-11 devnull for(i=0; i<t->file->ntext; i++){
884 b3994ec5 2003-12-11 devnull u = t->file->text[i];
885 b3994ec5 2003-12-11 devnull if(u->eq0 == ~0)
886 b3994ec5 2003-12-11 devnull u->eq0 = t->q0;
887 b3994ec5 2003-12-11 devnull if(u->ncache == 0)
888 b3994ec5 2003-12-11 devnull u->cq0 = t->q0;
889 b3994ec5 2003-12-11 devnull else if(t->q0 != u->cq0+u->ncache)
890 b3994ec5 2003-12-11 devnull error("text.type cq1");
892 cd1d0ab0 2006-01-12 devnull * Change the tag before we add to ncache,
893 cd1d0ab0 2006-01-12 devnull * so that if the window body is resized the
894 cd1d0ab0 2006-01-12 devnull * commit will not find anything in ncache.
896 cd1d0ab0 2006-01-12 devnull if(u->what==Body && u->ncache == 0){
897 cd1d0ab0 2006-01-12 devnull u->needundo = TRUE;
898 cd1d0ab0 2006-01-12 devnull winsettag(t->w);
899 cd1d0ab0 2006-01-12 devnull u->needundo = FALSE;
901 c1973705 2004-02-09 devnull textinsert(u, t->q0, rp, nr, FALSE);
902 b3994ec5 2003-12-11 devnull if(u != t)
903 b3994ec5 2003-12-11 devnull textsetselect(u, u->q0, u->q1);
904 c1973705 2004-02-09 devnull if(u->ncache+nr > u->ncachealloc){
905 c1973705 2004-02-09 devnull u->ncachealloc += 10 + nr;
906 b3994ec5 2003-12-11 devnull u->cache = runerealloc(u->cache, u->ncachealloc);
908 c1973705 2004-02-09 devnull runemove(u->cache+u->ncache, rp, nr);
909 c1973705 2004-02-09 devnull u->ncache += nr;
911 c1973705 2004-02-09 devnull if(rp != &r)
912 c1973705 2004-02-09 devnull free(rp);
913 c1973705 2004-02-09 devnull textsetselect(t, t->q0+nr, t->q0+nr);
914 b3994ec5 2003-12-11 devnull if(r=='\n' && t->w!=nil)
915 b3994ec5 2003-12-11 devnull wincommit(t->w, t);
916 76864eb6 2011-08-02 rsc t->iq1 = t->q0;
920 b3994ec5 2003-12-11 devnull textcommit(Text *t, int tofile)
922 b3994ec5 2003-12-11 devnull if(t->ncache == 0)
924 b3994ec5 2003-12-11 devnull if(tofile)
925 b3994ec5 2003-12-11 devnull fileinsert(t->file, t->cq0, t->cache, t->ncache);
926 b3994ec5 2003-12-11 devnull if(t->what == Body){
927 b3994ec5 2003-12-11 devnull t->w->dirty = TRUE;
928 b3994ec5 2003-12-11 devnull t->w->utflastqid = -1;
930 b3994ec5 2003-12-11 devnull t->ncache = 0;
933 b3994ec5 2003-12-11 devnull static Text *clicktext;
934 b3994ec5 2003-12-11 devnull static uint clickmsec;
935 b3994ec5 2003-12-11 devnull static Text *selecttext;
936 b3994ec5 2003-12-11 devnull static uint selectq;
939 b3994ec5 2003-12-11 devnull * called from frame library
942 b3994ec5 2003-12-11 devnull framescroll(Frame *f, int dl)
944 b3994ec5 2003-12-11 devnull if(f != &selecttext->fr)
945 b3994ec5 2003-12-11 devnull error("frameselect not right frame");
946 b3994ec5 2003-12-11 devnull textframescroll(selecttext, dl);
950 b3994ec5 2003-12-11 devnull textframescroll(Text *t, int dl)
952 b3994ec5 2003-12-11 devnull uint q0;
954 b3994ec5 2003-12-11 devnull if(dl == 0){
955 b3994ec5 2003-12-11 devnull scrsleep(100);
958 b3994ec5 2003-12-11 devnull if(dl < 0){
959 b3994ec5 2003-12-11 devnull q0 = textbacknl(t, t->org, -dl);
960 b3994ec5 2003-12-11 devnull if(selectq > t->org+t->fr.p0)
961 b3994ec5 2003-12-11 devnull textsetselect(t, t->org+t->fr.p0, selectq);
963 b3994ec5 2003-12-11 devnull textsetselect(t, selectq, t->org+t->fr.p0);
965 b3994ec5 2003-12-11 devnull if(t->org+t->fr.nchars == t->file->b.nc)
967 b3994ec5 2003-12-11 devnull q0 = t->org+frcharofpt(&t->fr, Pt(t->fr.r.min.x, t->fr.r.min.y+dl*t->fr.font->height));
968 b3994ec5 2003-12-11 devnull if(selectq > t->org+t->fr.p1)
969 b3994ec5 2003-12-11 devnull textsetselect(t, t->org+t->fr.p1, selectq);
971 b3994ec5 2003-12-11 devnull textsetselect(t, selectq, t->org+t->fr.p1);
973 b3994ec5 2003-12-11 devnull textsetorigin(t, q0, TRUE);
978 b3994ec5 2003-12-11 devnull textselect(Text *t)
980 b3994ec5 2003-12-11 devnull uint q0, q1;
981 b3994ec5 2003-12-11 devnull int b, x, y;
982 4ca53ff0 2006-02-08 devnull int state;
983 4ca53ff0 2006-02-08 devnull enum { None, Cut, Paste };
985 b3994ec5 2003-12-11 devnull selecttext = t;
987 b3994ec5 2003-12-11 devnull * To have double-clicking and chording, we double-click
988 b3994ec5 2003-12-11 devnull * immediately if it might make sense.
990 b3994ec5 2003-12-11 devnull b = mouse->buttons;
991 b3994ec5 2003-12-11 devnull q0 = t->q0;
992 b3994ec5 2003-12-11 devnull q1 = t->q1;
993 b3994ec5 2003-12-11 devnull selectq = t->org+frcharofpt(&t->fr, mouse->xy);
994 b3994ec5 2003-12-11 devnull if(clicktext==t && mouse->msec-clickmsec<500)
995 b3994ec5 2003-12-11 devnull if(q0==q1 && selectq==q0){
996 b3994ec5 2003-12-11 devnull textdoubleclick(t, &q0, &q1);
997 b3994ec5 2003-12-11 devnull textsetselect(t, q0, q1);
998 b3994ec5 2003-12-11 devnull flushimage(display, 1);
999 b3994ec5 2003-12-11 devnull x = mouse->xy.x;
1000 b3994ec5 2003-12-11 devnull y = mouse->xy.y;
1001 b3994ec5 2003-12-11 devnull /* stay here until something interesting happens */
1003 b3994ec5 2003-12-11 devnull readmouse(mousectl);
1004 b3994ec5 2003-12-11 devnull while(mouse->buttons==b && abs(mouse->xy.x-x)<3 && abs(mouse->xy.y-y)<3);
1005 b3994ec5 2003-12-11 devnull mouse->xy.x = x; /* in case we're calling frselect */
1006 b3994ec5 2003-12-11 devnull mouse->xy.y = y;
1007 b3994ec5 2003-12-11 devnull q0 = t->q0; /* may have changed */
1008 b3994ec5 2003-12-11 devnull q1 = t->q1;
1009 b3994ec5 2003-12-11 devnull selectq = q0;
1011 b3994ec5 2003-12-11 devnull if(mouse->buttons == b){
1012 b3994ec5 2003-12-11 devnull t->fr.scroll = framescroll;
1013 b3994ec5 2003-12-11 devnull frselect(&t->fr, mousectl);
1014 b3994ec5 2003-12-11 devnull /* horrible botch: while asleep, may have lost selection altogether */
1015 b3994ec5 2003-12-11 devnull if(selectq > t->file->b.nc)
1016 b3994ec5 2003-12-11 devnull selectq = t->org + t->fr.p0;
1017 5544aaf9 2005-03-18 devnull t->fr.scroll = nil;
1018 b3994ec5 2003-12-11 devnull if(selectq < t->org)
1019 b3994ec5 2003-12-11 devnull q0 = selectq;
1021 b3994ec5 2003-12-11 devnull q0 = t->org + t->fr.p0;
1022 b3994ec5 2003-12-11 devnull if(selectq > t->org+t->fr.nchars)
1023 b3994ec5 2003-12-11 devnull q1 = selectq;
1025 b3994ec5 2003-12-11 devnull q1 = t->org+t->fr.p1;
1027 b3994ec5 2003-12-11 devnull if(q0 == q1){
1028 b3994ec5 2003-12-11 devnull if(q0==t->q0 && clicktext==t && mouse->msec-clickmsec<500){
1029 b3994ec5 2003-12-11 devnull textdoubleclick(t, &q0, &q1);
1030 b3994ec5 2003-12-11 devnull clicktext = nil;
1032 b3994ec5 2003-12-11 devnull clicktext = t;
1033 b3994ec5 2003-12-11 devnull clickmsec = mouse->msec;
1036 b3994ec5 2003-12-11 devnull clicktext = nil;
1037 b3994ec5 2003-12-11 devnull textsetselect(t, q0, q1);
1038 b3994ec5 2003-12-11 devnull flushimage(display, 1);
1039 4ca53ff0 2006-02-08 devnull state = None; /* what we've done; undo when possible */
1040 b3994ec5 2003-12-11 devnull while(mouse->buttons){
1041 b3994ec5 2003-12-11 devnull mouse->msec = 0;
1042 b3994ec5 2003-12-11 devnull b = mouse->buttons;
1043 8b9a1d4c 2006-02-06 devnull if((b&1) && (b&6)){
1044 4ca53ff0 2006-02-08 devnull if(state==None && t->what==Body){
1046 b3994ec5 2003-12-11 devnull filemark(t->w->body.file);
1048 b3994ec5 2003-12-11 devnull if(b & 2){
1049 4ca53ff0 2006-02-08 devnull if(state==Paste && t->what==Body){
1050 b3994ec5 2003-12-11 devnull winundo(t->w, TRUE);
1051 4ca53ff0 2006-02-08 devnull textsetselect(t, q0, t->q1);
1052 4ca53ff0 2006-02-08 devnull state = None;
1053 4ca53ff0 2006-02-08 devnull }else if(state != Cut){
1054 b3994ec5 2003-12-11 devnull cut(t, t, nil, TRUE, TRUE, nil, 0);
1055 4ca53ff0 2006-02-08 devnull state = Cut;
1058 4ca53ff0 2006-02-08 devnull if(state==Cut && t->what==Body){
1059 b3994ec5 2003-12-11 devnull winundo(t->w, TRUE);
1060 b3994ec5 2003-12-11 devnull textsetselect(t, q0, t->q1);
1061 4ca53ff0 2006-02-08 devnull state = None;
1062 4ca53ff0 2006-02-08 devnull }else if(state != Paste){
1063 b3994ec5 2003-12-11 devnull paste(t, t, nil, TRUE, FALSE, nil, 0);
1064 4ca53ff0 2006-02-08 devnull state = Paste;
1067 b3994ec5 2003-12-11 devnull textscrdraw(t);
1068 b3994ec5 2003-12-11 devnull clearmouse();
1070 b3994ec5 2003-12-11 devnull flushimage(display, 1);
1071 b3994ec5 2003-12-11 devnull while(mouse->buttons == b)
1072 b3994ec5 2003-12-11 devnull readmouse(mousectl);
1073 b3994ec5 2003-12-11 devnull clicktext = nil;
1078 b3994ec5 2003-12-11 devnull textshow(Text *t, uint q0, uint q1, int doselect)
1080 b3994ec5 2003-12-11 devnull int qe;
1081 b3994ec5 2003-12-11 devnull int nl;
1082 b3994ec5 2003-12-11 devnull uint q;
1084 1a8f27c3 2004-05-14 devnull if(t->what != Body){
1085 1a8f27c3 2004-05-14 devnull if(doselect)
1086 1a8f27c3 2004-05-14 devnull textsetselect(t, q0, q1);
1087 b3994ec5 2003-12-11 devnull return;
1089 b3994ec5 2003-12-11 devnull if(t->w!=nil && t->fr.maxlines==0)
1090 b3994ec5 2003-12-11 devnull colgrow(t->col, t->w, 1);
1091 b3994ec5 2003-12-11 devnull if(doselect)
1092 b3994ec5 2003-12-11 devnull textsetselect(t, q0, q1);
1093 b3994ec5 2003-12-11 devnull qe = t->org+t->fr.nchars;
1094 b3994ec5 2003-12-11 devnull if(t->org<=q0 && (q0<qe || (q0==qe && qe==t->file->b.nc+t->ncache)))
1095 b3994ec5 2003-12-11 devnull textscrdraw(t);
1097 b3994ec5 2003-12-11 devnull if(t->w->nopen[QWevent] > 0)
1098 b3994ec5 2003-12-11 devnull nl = 3*t->fr.maxlines/4;
1100 b3994ec5 2003-12-11 devnull nl = t->fr.maxlines/4;
1101 b3994ec5 2003-12-11 devnull q = textbacknl(t, q0, nl);
1102 b3994ec5 2003-12-11 devnull /* avoid going backwards if trying to go forwards - long lines! */
1103 b3994ec5 2003-12-11 devnull if(!(q0>t->org && q<t->org))
1104 b3994ec5 2003-12-11 devnull textsetorigin(t, q, TRUE);
1105 b3994ec5 2003-12-11 devnull while(q0 > t->org+t->fr.nchars)
1106 b3994ec5 2003-12-11 devnull textsetorigin(t, t->org+1, FALSE);
1112 b3994ec5 2003-12-11 devnull region(int a, int b)
1114 b3994ec5 2003-12-11 devnull if(a < b)
1115 b3994ec5 2003-12-11 devnull return -1;
1116 b3994ec5 2003-12-11 devnull if(a == b)
1117 b3994ec5 2003-12-11 devnull return 0;
1118 b3994ec5 2003-12-11 devnull return 1;
1122 b3994ec5 2003-12-11 devnull selrestore(Frame *f, Point pt0, uint p0, uint p1)
1124 b3994ec5 2003-12-11 devnull if(p1<=f->p0 || p0>=f->p1){
1125 b3994ec5 2003-12-11 devnull /* no overlap */
1126 b3994ec5 2003-12-11 devnull frdrawsel0(f, pt0, p0, p1, f->cols[BACK], f->cols[TEXT]);
1127 b3994ec5 2003-12-11 devnull return;
1129 b3994ec5 2003-12-11 devnull if(p0>=f->p0 && p1<=f->p1){
1130 b3994ec5 2003-12-11 devnull /* entirely inside */
1131 b3994ec5 2003-12-11 devnull frdrawsel0(f, pt0, p0, p1, f->cols[HIGH], f->cols[HTEXT]);
1132 b3994ec5 2003-12-11 devnull return;
1135 b3994ec5 2003-12-11 devnull /* they now are known to overlap */
1137 b3994ec5 2003-12-11 devnull /* before selection */
1138 b3994ec5 2003-12-11 devnull if(p0 < f->p0){
1139 b3994ec5 2003-12-11 devnull frdrawsel0(f, pt0, p0, f->p0, f->cols[BACK], f->cols[TEXT]);
1140 b3994ec5 2003-12-11 devnull p0 = f->p0;
1141 b3994ec5 2003-12-11 devnull pt0 = frptofchar(f, p0);
1143 b3994ec5 2003-12-11 devnull /* after selection */
1144 b3994ec5 2003-12-11 devnull if(p1 > f->p1){
1145 b3994ec5 2003-12-11 devnull frdrawsel0(f, frptofchar(f, f->p1), f->p1, p1, f->cols[BACK], f->cols[TEXT]);
1146 b3994ec5 2003-12-11 devnull p1 = f->p1;
1148 b3994ec5 2003-12-11 devnull /* inside selection */
1149 b3994ec5 2003-12-11 devnull frdrawsel0(f, pt0, p0, p1, f->cols[HIGH], f->cols[HTEXT]);
1153 b3994ec5 2003-12-11 devnull textsetselect(Text *t, uint q0, uint q1)
1155 97e44323 2007-05-10 devnull int p0, p1, ticked;
1157 b3994ec5 2003-12-11 devnull /* t->fr.p0 and t->fr.p1 are always right; t->q0 and t->q1 may be off */
1158 b3994ec5 2003-12-11 devnull t->q0 = q0;
1159 b3994ec5 2003-12-11 devnull t->q1 = q1;
1160 b3994ec5 2003-12-11 devnull /* compute desired p0,p1 from q0,q1 */
1161 b3994ec5 2003-12-11 devnull p0 = q0-t->org;
1162 b3994ec5 2003-12-11 devnull p1 = q1-t->org;
1163 97e44323 2007-05-10 devnull ticked = 1;
1164 97e44323 2007-05-10 devnull if(p0 < 0){
1165 97e44323 2007-05-10 devnull ticked = 0;
1166 b3994ec5 2003-12-11 devnull p0 = 0;
1168 b3994ec5 2003-12-11 devnull if(p1 < 0)
1169 b3994ec5 2003-12-11 devnull p1 = 0;
1170 b3994ec5 2003-12-11 devnull if(p0 > t->fr.nchars)
1171 b3994ec5 2003-12-11 devnull p0 = t->fr.nchars;
1172 97e44323 2007-05-10 devnull if(p1 > t->fr.nchars){
1173 97e44323 2007-05-10 devnull ticked = 0;
1174 97e44323 2007-05-10 devnull p1 = t->fr.nchars;
1176 97e44323 2007-05-10 devnull if(p0==t->fr.p0 && p1==t->fr.p1){
1177 97e44323 2007-05-10 devnull if(p0 == p1 && ticked != t->fr.ticked)
1178 97e44323 2007-05-10 devnull frtick(&t->fr, frptofchar(&t->fr, p0), ticked);
1179 b3994ec5 2003-12-11 devnull return;
1181 b3994ec5 2003-12-11 devnull /* screen disagrees with desired selection */
1182 b3994ec5 2003-12-11 devnull if(t->fr.p1<=p0 || p1<=t->fr.p0 || p0==p1 || t->fr.p1==t->fr.p0){
1183 b3994ec5 2003-12-11 devnull /* no overlap or too easy to bother trying */
1184 b3994ec5 2003-12-11 devnull frdrawsel(&t->fr, frptofchar(&t->fr, t->fr.p0), t->fr.p0, t->fr.p1, 0);
1185 97e44323 2007-05-10 devnull if(p0 != p1 || ticked)
1186 97e44323 2007-05-10 devnull frdrawsel(&t->fr, frptofchar(&t->fr, p0), p0, p1, 1);
1187 b3994ec5 2003-12-11 devnull goto Return;
1189 b3994ec5 2003-12-11 devnull /* overlap; avoid unnecessary painting */
1190 b3994ec5 2003-12-11 devnull if(p0 < t->fr.p0){
1191 b3994ec5 2003-12-11 devnull /* extend selection backwards */
1192 b3994ec5 2003-12-11 devnull frdrawsel(&t->fr, frptofchar(&t->fr, p0), p0, t->fr.p0, 1);
1193 b3994ec5 2003-12-11 devnull }else if(p0 > t->fr.p0){
1194 b3994ec5 2003-12-11 devnull /* trim first part of selection */
1195 b3994ec5 2003-12-11 devnull frdrawsel(&t->fr, frptofchar(&t->fr, t->fr.p0), t->fr.p0, p0, 0);
1197 b3994ec5 2003-12-11 devnull if(p1 > t->fr.p1){
1198 b3994ec5 2003-12-11 devnull /* extend selection forwards */
1199 b3994ec5 2003-12-11 devnull frdrawsel(&t->fr, frptofchar(&t->fr, t->fr.p1), t->fr.p1, p1, 1);
1200 b3994ec5 2003-12-11 devnull }else if(p1 < t->fr.p1){
1201 b3994ec5 2003-12-11 devnull /* trim last part of selection */
1202 b3994ec5 2003-12-11 devnull frdrawsel(&t->fr, frptofchar(&t->fr, p1), p1, t->fr.p1, 0);
1205 b3994ec5 2003-12-11 devnull Return:
1206 b3994ec5 2003-12-11 devnull t->fr.p0 = p0;
1207 b3994ec5 2003-12-11 devnull t->fr.p1 = p1;
1211 b3994ec5 2003-12-11 devnull * Release the button in less than DELAY ms and it's considered a null selection
1212 b3994ec5 2003-12-11 devnull * if the mouse hardly moved, regardless of whether it crossed a char boundary.
1215 b3994ec5 2003-12-11 devnull DELAY = 2,
1216 cbeb0b26 2006-04-01 devnull MINMOVE = 4
1220 b3994ec5 2003-12-11 devnull xselect(Frame *f, Mousectl *mc, Image *col, uint *p1p) /* when called, button is down */
1222 b3994ec5 2003-12-11 devnull uint p0, p1, q, tmp;
1223 b3994ec5 2003-12-11 devnull ulong msec;
1224 b3994ec5 2003-12-11 devnull Point mp, pt0, pt1, qt;
1225 b3994ec5 2003-12-11 devnull int reg, b;
1227 b3994ec5 2003-12-11 devnull mp = mc->m.xy;
1228 b3994ec5 2003-12-11 devnull b = mc->m.buttons;
1229 b3994ec5 2003-12-11 devnull msec = mc->m.msec;
1231 b3994ec5 2003-12-11 devnull /* remove tick */
1232 b3994ec5 2003-12-11 devnull if(f->p0 == f->p1)
1233 b3994ec5 2003-12-11 devnull frtick(f, frptofchar(f, f->p0), 0);
1234 b3994ec5 2003-12-11 devnull p0 = p1 = frcharofpt(f, mp);
1235 b3994ec5 2003-12-11 devnull pt0 = frptofchar(f, p0);
1236 b3994ec5 2003-12-11 devnull pt1 = frptofchar(f, p1);
1237 b3994ec5 2003-12-11 devnull reg = 0;
1238 b3994ec5 2003-12-11 devnull frtick(f, pt0, 1);
1240 b3994ec5 2003-12-11 devnull q = frcharofpt(f, mc->m.xy);
1241 b3994ec5 2003-12-11 devnull if(p1 != q){
1242 b3994ec5 2003-12-11 devnull if(p0 == p1)
1243 b3994ec5 2003-12-11 devnull frtick(f, pt0, 0);
1244 b3994ec5 2003-12-11 devnull if(reg != region(q, p0)){ /* crossed starting point; reset */
1245 b3994ec5 2003-12-11 devnull if(reg > 0)
1246 b3994ec5 2003-12-11 devnull selrestore(f, pt0, p0, p1);
1247 b3994ec5 2003-12-11 devnull else if(reg < 0)
1248 b3994ec5 2003-12-11 devnull selrestore(f, pt1, p1, p0);
1249 b3994ec5 2003-12-11 devnull p1 = p0;
1250 b3994ec5 2003-12-11 devnull pt1 = pt0;
1251 b3994ec5 2003-12-11 devnull reg = region(q, p0);
1252 b3994ec5 2003-12-11 devnull if(reg == 0)
1253 b3994ec5 2003-12-11 devnull frdrawsel0(f, pt0, p0, p1, col, display->white);
1255 b3994ec5 2003-12-11 devnull qt = frptofchar(f, q);
1256 b3994ec5 2003-12-11 devnull if(reg > 0){
1257 b3994ec5 2003-12-11 devnull if(q > p1)
1258 b3994ec5 2003-12-11 devnull frdrawsel0(f, pt1, p1, q, col, display->white);
1260 b3994ec5 2003-12-11 devnull else if(q < p1)
1261 b3994ec5 2003-12-11 devnull selrestore(f, qt, q, p1);
1262 b3994ec5 2003-12-11 devnull }else if(reg < 0){
1263 b3994ec5 2003-12-11 devnull if(q > p1)
1264 b3994ec5 2003-12-11 devnull selrestore(f, pt1, p1, q);
1266 b3994ec5 2003-12-11 devnull frdrawsel0(f, qt, q, p1, col, display->white);
1268 b3994ec5 2003-12-11 devnull p1 = q;
1269 b3994ec5 2003-12-11 devnull pt1 = qt;
1271 b3994ec5 2003-12-11 devnull if(p0 == p1)
1272 b3994ec5 2003-12-11 devnull frtick(f, pt0, 1);
1273 b3994ec5 2003-12-11 devnull flushimage(f->display, 1);
1274 b3994ec5 2003-12-11 devnull readmouse(mc);
1275 b3994ec5 2003-12-11 devnull }while(mc->m.buttons == b);
1276 b3994ec5 2003-12-11 devnull if(mc->m.msec-msec < DELAY && p0!=p1
1277 b3994ec5 2003-12-11 devnull && abs(mp.x-mc->m.xy.x)<MINMOVE
1278 b3994ec5 2003-12-11 devnull && abs(mp.y-mc->m.xy.y)<MINMOVE) {
1279 b3994ec5 2003-12-11 devnull if(reg > 0)
1280 b3994ec5 2003-12-11 devnull selrestore(f, pt0, p0, p1);
1281 b3994ec5 2003-12-11 devnull else if(reg < 0)
1282 b3994ec5 2003-12-11 devnull selrestore(f, pt1, p1, p0);
1283 b3994ec5 2003-12-11 devnull p1 = p0;
1285 b3994ec5 2003-12-11 devnull if(p1 < p0){
1286 b3994ec5 2003-12-11 devnull tmp = p0;
1287 b3994ec5 2003-12-11 devnull p0 = p1;
1288 b3994ec5 2003-12-11 devnull p1 = tmp;
1290 b3994ec5 2003-12-11 devnull pt0 = frptofchar(f, p0);
1291 b3994ec5 2003-12-11 devnull if(p0 == p1)
1292 b3994ec5 2003-12-11 devnull frtick(f, pt0, 0);
1293 b3994ec5 2003-12-11 devnull selrestore(f, pt0, p0, p1);
1294 b3994ec5 2003-12-11 devnull /* restore tick */
1295 b3994ec5 2003-12-11 devnull if(f->p0 == f->p1)
1296 b3994ec5 2003-12-11 devnull frtick(f, frptofchar(f, f->p0), 1);
1297 b3994ec5 2003-12-11 devnull flushimage(f->display, 1);
1298 b3994ec5 2003-12-11 devnull *p1p = p1;
1299 b3994ec5 2003-12-11 devnull return p0;
1303 b3994ec5 2003-12-11 devnull textselect23(Text *t, uint *q0, uint *q1, Image *high, int mask)
1305 b3994ec5 2003-12-11 devnull uint p0, p1;
1306 b3994ec5 2003-12-11 devnull int buts;
1308 b3994ec5 2003-12-11 devnull p0 = xselect(&t->fr, mousectl, high, &p1);
1309 b3994ec5 2003-12-11 devnull buts = mousectl->m.buttons;
1310 b3994ec5 2003-12-11 devnull if((buts & mask) == 0){
1311 b3994ec5 2003-12-11 devnull *q0 = p0+t->org;
1312 b3994ec5 2003-12-11 devnull *q1 = p1+t->org;
1315 b3994ec5 2003-12-11 devnull while(mousectl->m.buttons)
1316 b3994ec5 2003-12-11 devnull readmouse(mousectl);
1317 b3994ec5 2003-12-11 devnull return buts;
1321 b3994ec5 2003-12-11 devnull textselect2(Text *t, uint *q0, uint *q1, Text **tp)
1323 b3994ec5 2003-12-11 devnull int buts;
1325 b3994ec5 2003-12-11 devnull *tp = nil;
1326 b3994ec5 2003-12-11 devnull buts = textselect23(t, q0, q1, but2col, 4);
1327 b3994ec5 2003-12-11 devnull if(buts & 4)
1328 b3994ec5 2003-12-11 devnull return 0;
1329 b3994ec5 2003-12-11 devnull if(buts & 1){ /* pick up argument */
1330 b3994ec5 2003-12-11 devnull *tp = argtext;
1331 b3994ec5 2003-12-11 devnull return 1;
1333 b3994ec5 2003-12-11 devnull return 1;
1337 b3994ec5 2003-12-11 devnull textselect3(Text *t, uint *q0, uint *q1)
1341 b3994ec5 2003-12-11 devnull h = (textselect23(t, q0, q1, but3col, 1|2) == 0);
1342 b3994ec5 2003-12-11 devnull return h;
1345 b3994ec5 2003-12-11 devnull static Rune left1[] = { '{', '[', '(', '<', 0xab, 0 };
1346 b3994ec5 2003-12-11 devnull static Rune right1[] = { '}', ']', ')', '>', 0xbb, 0 };
1347 b3994ec5 2003-12-11 devnull static Rune left2[] = { '\n', 0 };
1348 b3994ec5 2003-12-11 devnull static Rune left3[] = { '\'', '"', '`', 0 };
1351 b3994ec5 2003-12-11 devnull Rune *left[] = {
1358 b3994ec5 2003-12-11 devnull Rune *right[] = {
1359 b3994ec5 2003-12-11 devnull right1,
1366 b3994ec5 2003-12-11 devnull textdoubleclick(Text *t, uint *q0, uint *q1)
1368 b3994ec5 2003-12-11 devnull int c, i;
1369 b3994ec5 2003-12-11 devnull Rune *r, *l, *p;
1370 b3994ec5 2003-12-11 devnull uint q;
1372 4dbf2556 2009-09-11 russcox if(textclickhtmlmatch(t, q0, q1))
1373 4dbf2556 2009-09-11 russcox return;
1375 b3994ec5 2003-12-11 devnull for(i=0; left[i]!=nil; i++){
1376 b3994ec5 2003-12-11 devnull q = *q0;
1377 b3994ec5 2003-12-11 devnull l = left[i];
1378 b3994ec5 2003-12-11 devnull r = right[i];
1379 b3994ec5 2003-12-11 devnull /* try matching character to left, looking right */
1380 b3994ec5 2003-12-11 devnull if(q == 0)
1381 b3994ec5 2003-12-11 devnull c = '\n';
1383 b3994ec5 2003-12-11 devnull c = textreadc(t, q-1);
1384 b3994ec5 2003-12-11 devnull p = runestrchr(l, c);
1385 b3994ec5 2003-12-11 devnull if(p != nil){
1386 b3994ec5 2003-12-11 devnull if(textclickmatch(t, c, r[p-l], 1, &q))
1387 b3994ec5 2003-12-11 devnull *q1 = q-(c!='\n');
1388 b3994ec5 2003-12-11 devnull return;
1390 b3994ec5 2003-12-11 devnull /* try matching character to right, looking left */
1391 b3994ec5 2003-12-11 devnull if(q == t->file->b.nc)
1392 b3994ec5 2003-12-11 devnull c = '\n';
1394 b3994ec5 2003-12-11 devnull c = textreadc(t, q);
1395 b3994ec5 2003-12-11 devnull p = runestrchr(r, c);
1396 b3994ec5 2003-12-11 devnull if(p != nil){
1397 b3994ec5 2003-12-11 devnull if(textclickmatch(t, c, l[p-r], -1, &q)){
1398 b3994ec5 2003-12-11 devnull *q1 = *q0+(*q0<t->file->b.nc && c=='\n');
1399 b3994ec5 2003-12-11 devnull *q0 = q;
1400 b3994ec5 2003-12-11 devnull if(c!='\n' || q!=0 || textreadc(t, 0)=='\n')
1401 b3994ec5 2003-12-11 devnull (*q0)++;
1403 b3994ec5 2003-12-11 devnull return;
1407 b3994ec5 2003-12-11 devnull /* try filling out word to right */
1408 b3994ec5 2003-12-11 devnull while(*q1<t->file->b.nc && isalnum(textreadc(t, *q1)))
1409 b3994ec5 2003-12-11 devnull (*q1)++;
1410 b3994ec5 2003-12-11 devnull /* try filling out word to left */
1411 b3994ec5 2003-12-11 devnull while(*q0>0 && isalnum(textreadc(t, *q0-1)))
1412 b3994ec5 2003-12-11 devnull (*q0)--;
1416 b3994ec5 2003-12-11 devnull textclickmatch(Text *t, int cl, int cr, int dir, uint *q)
1418 b3994ec5 2003-12-11 devnull Rune c;
1419 b3994ec5 2003-12-11 devnull int nest;
1421 b3994ec5 2003-12-11 devnull nest = 1;
1422 b3994ec5 2003-12-11 devnull for(;;){
1423 b3994ec5 2003-12-11 devnull if(dir > 0){
1424 b3994ec5 2003-12-11 devnull if(*q == t->file->b.nc)
1426 b3994ec5 2003-12-11 devnull c = textreadc(t, *q);
1427 b3994ec5 2003-12-11 devnull (*q)++;
1429 b3994ec5 2003-12-11 devnull if(*q == 0)
1431 b3994ec5 2003-12-11 devnull (*q)--;
1432 b3994ec5 2003-12-11 devnull c = textreadc(t, *q);
1434 b3994ec5 2003-12-11 devnull if(c == cr){
1435 b3994ec5 2003-12-11 devnull if(--nest==0)
1436 b3994ec5 2003-12-11 devnull return 1;
1437 b3994ec5 2003-12-11 devnull }else if(c == cl)
1438 b3994ec5 2003-12-11 devnull nest++;
1440 b3994ec5 2003-12-11 devnull return cl=='\n' && nest==1;
1443 e47d0a1e 2009-07-26 rsc // Is the text starting at location q an html tag?
1444 e47d0a1e 2009-07-26 rsc // Return 1 for <a>, -1 for </a>, 0 for no tag or <a />.
1445 e47d0a1e 2009-07-26 rsc // Set *q1, if non-nil, to the location after the tag.
1447 e47d0a1e 2009-07-26 rsc ishtmlstart(Text *t, uint q, uint *q1)
1449 e47d0a1e 2009-07-26 rsc int c, c1, c2;
1451 e47d0a1e 2009-07-26 rsc if(q+2 > t->file->b.nc)
1453 e47d0a1e 2009-07-26 rsc if(textreadc(t, q++) != '<')
1455 e47d0a1e 2009-07-26 rsc c = textreadc(t, q++);
1458 e47d0a1e 2009-07-26 rsc while(c != '>') {
1459 e47d0a1e 2009-07-26 rsc if(q >= t->file->b.nc)
1462 e47d0a1e 2009-07-26 rsc c = textreadc(t, q++);
1466 e47d0a1e 2009-07-26 rsc if(c1 == '/') // closing tag
1468 e47d0a1e 2009-07-26 rsc if(c2 == '/' || c2 == '!') // open + close tag or comment
1473 e47d0a1e 2009-07-26 rsc // Is the text ending at location q an html tag?
1474 e47d0a1e 2009-07-26 rsc // Return 1 for <a>, -1 for </a>, 0 for no tag or <a />.
1475 e47d0a1e 2009-07-26 rsc // Set *q0, if non-nil, to the start of the tag.
1477 e47d0a1e 2009-07-26 rsc ishtmlend(Text *t, uint q, uint *q0)
1479 e47d0a1e 2009-07-26 rsc int c, c1, c2;
1483 e47d0a1e 2009-07-26 rsc if(textreadc(t, --q) != '>')
1485 e47d0a1e 2009-07-26 rsc c = textreadc(t, --q);
1488 e47d0a1e 2009-07-26 rsc while(c != '<') {
1492 e47d0a1e 2009-07-26 rsc c = textreadc(t, --q);
1496 e47d0a1e 2009-07-26 rsc if(c1 == '/') // closing tag
1498 e47d0a1e 2009-07-26 rsc if(c2 == '/' || c2 == '!') // open + close tag or comment
1504 e47d0a1e 2009-07-26 rsc textclickhtmlmatch(Text *t, uint *q0, uint *q1)
1506 e47d0a1e 2009-07-26 rsc int depth, n;
1507 e47d0a1e 2009-07-26 rsc uint q, nq;
1510 e47d0a1e 2009-07-26 rsc // after opening tag? scan forward for closing tag
1511 e47d0a1e 2009-07-26 rsc if(ishtmlend(t, q, nil) == 1) {
1513 e47d0a1e 2009-07-26 rsc while(q < t->file->b.nc) {
1514 e47d0a1e 2009-07-26 rsc n = ishtmlstart(t, q, &nq);
1515 e47d0a1e 2009-07-26 rsc if(n != 0) {
1516 e47d0a1e 2009-07-26 rsc depth += n;
1517 e47d0a1e 2009-07-26 rsc if(depth == 0) {
1528 e47d0a1e 2009-07-26 rsc // before closing tag? scan backward for opening tag
1529 e47d0a1e 2009-07-26 rsc if(ishtmlstart(t, q, nil) == -1) {
1530 e47d0a1e 2009-07-26 rsc depth = -1;
1531 e47d0a1e 2009-07-26 rsc while(q > 0) {
1532 e47d0a1e 2009-07-26 rsc n = ishtmlend(t, q, &nq);
1533 e47d0a1e 2009-07-26 rsc if(n != 0) {
1534 e47d0a1e 2009-07-26 rsc depth += n;
1535 e47d0a1e 2009-07-26 rsc if(depth == 0) {
1550 b3994ec5 2003-12-11 devnull textbacknl(Text *t, uint p, uint n)
1552 b3994ec5 2003-12-11 devnull int i, j;
1554 b3994ec5 2003-12-11 devnull /* look for start of this line if n==0 */
1555 b3994ec5 2003-12-11 devnull if(n==0 && p>0 && textreadc(t, p-1)!='\n')
1558 b3994ec5 2003-12-11 devnull while(i-->0 && p>0){
1559 b3994ec5 2003-12-11 devnull --p; /* it's at a newline now; back over it */
1560 b3994ec5 2003-12-11 devnull if(p == 0)
1562 b3994ec5 2003-12-11 devnull /* at 128 chars, call it a line anyway */
1563 b3994ec5 2003-12-11 devnull for(j=128; --j>0 && p>0; p--)
1564 b3994ec5 2003-12-11 devnull if(textreadc(t, p-1)=='\n')
1567 b3994ec5 2003-12-11 devnull return p;
1571 b3994ec5 2003-12-11 devnull textsetorigin(Text *t, uint org, int exact)
1573 b3994ec5 2003-12-11 devnull int i, a, fixup;
1574 b3994ec5 2003-12-11 devnull Rune *r;
1575 b3994ec5 2003-12-11 devnull uint n;
1577 b3994ec5 2003-12-11 devnull if(org>0 && !exact){
1578 b3994ec5 2003-12-11 devnull /* org is an estimate of the char posn; find a newline */
1579 b3994ec5 2003-12-11 devnull /* don't try harder than 256 chars */
1580 b3994ec5 2003-12-11 devnull for(i=0; i<256 && org<t->file->b.nc; i++){
1581 b3994ec5 2003-12-11 devnull if(textreadc(t, org) == '\n'){
1588 b3994ec5 2003-12-11 devnull a = org-t->org;
1589 b3994ec5 2003-12-11 devnull fixup = 0;
1590 b3994ec5 2003-12-11 devnull if(a>=0 && a<t->fr.nchars){
1591 b3994ec5 2003-12-11 devnull frdelete(&t->fr, 0, a);
1592 b3994ec5 2003-12-11 devnull fixup = 1; /* frdelete can leave end of last line in wrong selection mode; it doesn't know what follows */
1594 b3994ec5 2003-12-11 devnull else if(a<0 && -a<t->fr.nchars){
1595 b3994ec5 2003-12-11 devnull n = t->org - org;
1596 b3994ec5 2003-12-11 devnull r = runemalloc(n);
1597 b3994ec5 2003-12-11 devnull bufread(&t->file->b, org, r, n);
1598 b3994ec5 2003-12-11 devnull frinsert(&t->fr, r, r+n, 0);
1599 b3994ec5 2003-12-11 devnull free(r);
1601 b3994ec5 2003-12-11 devnull frdelete(&t->fr, 0, t->fr.nchars);
1602 b3994ec5 2003-12-11 devnull t->org = org;
1603 b3994ec5 2003-12-11 devnull textfill(t);
1604 b3994ec5 2003-12-11 devnull textscrdraw(t);
1605 b3994ec5 2003-12-11 devnull textsetselect(t, t->q0, t->q1);
1606 b3994ec5 2003-12-11 devnull if(fixup && t->fr.p1 > t->fr.p0)
1607 b3994ec5 2003-12-11 devnull frdrawsel(&t->fr, frptofchar(&t->fr, t->fr.p1-1), t->fr.p1-1, t->fr.p1, 1);
1611 b3994ec5 2003-12-11 devnull textreset(Text *t)
1613 b3994ec5 2003-12-11 devnull t->file->seq = 0;
1614 b3994ec5 2003-12-11 devnull t->eq0 = ~0;
1615 b3994ec5 2003-12-11 devnull /* do t->delete(0, t->nc, TRUE) without building backup stuff */
1616 b3994ec5 2003-12-11 devnull textsetselect(t, t->org, t->org);
1617 b3994ec5 2003-12-11 devnull frdelete(&t->fr, 0, t->fr.nchars);
1618 b3994ec5 2003-12-11 devnull t->org = 0;
1619 b3994ec5 2003-12-11 devnull t->q0 = 0;
1620 b3994ec5 2003-12-11 devnull t->q1 = 0;
1621 b3994ec5 2003-12-11 devnull filereset(t->file);
1622 b3994ec5 2003-12-11 devnull bufreset(&t->file->b);
