コード例 #1
0
ファイル: cmdw.c プロジェクト: grobe0ba/plan9front
int
cmdinsert(Win *w, Rune *r, int nr, int rp)
{
	Rune *s;

	if(nr < 0)
		for(nr = 0, s = r; *s++ != 0; nr++)
			;
	if(rp < 0 || rp > w->nrunes)
		rp = w->nrunes;
	if(w->nrunes + nr > w->arunes){
		w->runes = realloc(w->runes, w->arunes = w->arunes + (nr + RUNEBLK - 1) & ~(RUNEBLK - 1));
		if(w->runes == nil)
			sysfatal("realloc: %r");
	}
	if(rp != w->nrunes)
		memmove(w->runes + rp, w->runes + rp + nr, (w->nrunes - rp) * sizeof(Rune));
	memmove(w->runes + rp, r, nr * sizeof(Rune));
	w->nrunes += nr;
	if(w->toprune > rp)
		w->toprune += nr;
	else{
		frinsert(&w->fr, w->runes + rp, w->runes + rp + nr, rp - w->toprune);
		if(rp == w->nrunes - nr){
			if(w->fr.lastlinefull)
				cmdscroll(w, 1);
		}
	}
	if(w->opoint > rp)
		w->opoint += nr;
	return nr;
}
コード例 #2
0
ファイル: text.c プロジェクト: carriercomm/plan9-gpl
void
textfill(Text *t)
{
	Rune *rp;
	int i, n, m, nl;

	if(t->lastlinefull || t->nofill)
		return;
	if(t->ncache > 0)
		typecommit(t);
	rp = fbufalloc();
	do{
		n = t->file->nc-(t->org+t->nchars);
		if(n == 0)
			break;
		if(n > 2000)	/* educated guess at reasonable amount */
			n = 2000;
		bufread(t->file, t->org+t->nchars, rp, n);
		/*
		 * it's expensive to frinsert more than we need, so
		 * count newlines.
		 */
		nl = t->maxlines-t->nlines;
		m = 0;
		for(i=0; i<n; ){
			if(rp[i++] == '\n'){
				m++;
				if(m >= nl)
					break;
			}
		}
		frinsert(t, rp, rp+i, t->nchars);
	}while(t->lastlinefull == FALSE);
	fbuffree(rp);
}
コード例 #3
0
ファイル: cmdw.c プロジェクト: grobe0ba/plan9front
void
cmdscroll(Win *w, int l)
{
	int r;
	
	if(l == 0)
		return;
	if(l > 0){
		for(r = w->toprune; r < w->nrunes && l != 0; r++)
			if(w->runes[r] == '\n')
				l--;
		w->toprune = r;
	}else{
		for(r = w->toprune; r > 0; r--)
			if(w->runes[r] == '\n' && ++l == 0){
				r++;
				break;
			}
		w->toprune = r;
	
	}
	frdelete(&w->fr, 0, w->fr.nchars);
	frinsert(&w->fr, w->runes + w->toprune, w->runes + w->nrunes, 0);
	scrollbar(w);
}
コード例 #4
0
ファイル: text.c プロジェクト: AustenConrad/plan-9
void
textfill(Text *t)
{
	Rune *rp;
	int i, n, m, nl;

	if(t->lastlinefull)
		return;
	rp = runemalloc(BUFSIZE*8);
	do{
		n = t->rs.nr-(t->org+t->nchars);
		if(n == 0)
			break;
		if(n > 2000)	/* educated guess at reasonable amount */
			n = 2000;
		runemove(rp, t->rs.r+(t->org+t->nchars), n);
		/*
		 * it's expensive to frinsert more than we need, so
		 * count newlines.
		 */
		nl = t->maxlines-t->nlines;
		m = 0;
		for(i=0; i<n; ){
			if(rp[i++] == '\n'){
				m++;
				if(m >= nl)
					break;
			}
		}
		frinsert(t, rp, rp+i, t->nchars);
	}while(t->lastlinefull == FALSE);
	free(rp);
}
コード例 #5
0
ファイル: cmdw.c プロジェクト: grobe0ba/plan9front
static void
cmddraw(Win *w)
{
	Rectangle r;
	
	frclear(&w->fr, 0);
	r = insetrect(w->inner, 1);
	r.min.x += SCRTSIZ;
	scrollbar(w);
	frinit(&w->fr, r, display->defaultfont, w->im, w->tab->cols);
	frinsert(&w->fr, w->runes + w->toprune, w->runes + w->nrunes, 0);
}
コード例 #6
0
ファイル: text.c プロジェクト: 00001/plan9port
void
textinsert(Text *t, uint q0, Rune *r, uint n, int tofile)
{
	int c, i;
	Text *u;

	if(tofile && t->ncache != 0)
		error("text.insert");
	if(n == 0)
		return;
	if(tofile){
		fileinsert(t->file, q0, r, n);
		if(t->what == Body){
			t->w->dirty = TRUE;
			t->w->utflastqid = -1;
		}
		if(t->file->ntext > 1)
			for(i=0; i<t->file->ntext; i++){
				u = t->file->text[i];
				if(u != t){
					u->w->dirty = TRUE;	/* always a body */
					textinsert(u, q0, r, n, FALSE);
					textsetselect(u, u->q0, u->q1);
					textscrdraw(u);
				}
			}
					
	}
	if(q0 < t->iq1)
		t->iq1 += n;
	if(q0 < t->q1)
		t->q1 += n;
	if(q0 < t->q0)
		t->q0 += n;
	if(q0 < t->org)
		t->org += n;
	else if(q0 <= t->org+t->fr.nchars)
		frinsert(&t->fr, r, r+n, q0-t->org);
	if(t->w){
		c = 'i';
		if(t->what == Body)
			c = 'I';
		if(n <= EVENTSIZE)
			winevent(t->w, "%c%d %d 0 %d %.*S\n", c, q0, q0+n, n, n, r);
		else
			winevent(t->w, "%c%d %d 0 0 \n", c, q0, q0+n, n);
	}
}
コード例 #7
0
ファイル: text.c プロジェクト: AustenConrad/plan-9
void
textinsert(Text *t, uint q0, Rune *r, uint n)
{
	if(n == 0)
		return;

	t->rs.r = runerealloc(t->rs.r, t->rs.nr+n);
	runemove(t->rs.r+q0+n, t->rs.r+q0, t->rs.nr-q0);
	runemove(t->rs.r+q0, r, n);
	t->rs.nr += n;
	if(q0 < t->q1)
		t->q1 += n;
	if(q0 < t->q0)
		t->q0 += n;
	if(q0 < t->org)
		t->org += n;
	else if(q0 <= t->org+t->nchars)
		frinsert(t, r, r+n, q0-t->org);
}
コード例 #8
0
ファイル: text.c プロジェクト: carriercomm/plan9-gpl
void
textsetorigin(Text *t, uint org, int exact)
{
	int i, a, fixup;
	Rune *r;
	uint n;

	if(org>0 && !exact){
		/* org is an estimate of the char posn; find a newline */
		/* don't try harder than 256 chars */
		for(i=0; i<256 && org<t->file->nc; i++){
			if(textreadc(t, org) == '\n'){
				org++;
				break;
			}
			org++;
		}
	}
	a = org-t->org;
	fixup = 0;
	if(a>=0 && a<t->nchars){
		frdelete(t, 0, a);
		fixup = 1;	/* frdelete can leave end of last line in wrong selection mode; it doesn't know what follows */
	}
	else if(a<0 && -a<t->nchars){
		n = t->org - org;
		r = runemalloc(n);
		bufread(t->file, org, r, n);
		frinsert(t, r, r+n, 0);
		free(r);
	}else
		frdelete(t, 0, t->nchars);
	t->org = org;
	textfill(t);
	textscrdraw(t);
	textsetselect(t, t->q0, t->q1);
	if(fixup && t->p1 > t->p0)
		frdrawsel(t, frptofchar(t, t->p1-1), t->p1-1, t->p1, 1);
}
コード例 #9
0
ファイル: text.c プロジェクト: carriercomm/plan9-gpl
uint
textload(Text *t, uint q0, char *file, int setqid)
{
	Rune *rp;
	Dirlist *dl, **dlp;
	int fd, i, j, n, ndl, nulls;
	uint q, q1;
	Dir *d, *dbuf;
	char *tmp;
	Text *u;

	if(t->ncache!=0 || t->file->nc || t->w==nil || t!=&t->w->body)
		error("text.load");
	if(t->w->isdir && t->file->nname==0){
		warning(nil, "empty directory name\n");
		return 0;
	}
	fd = open(file, OREAD);
	if(fd < 0){
		warning(nil, "can't open %s: %r\n", file);
		return 0;
	}
	d = dirfstat(fd);
	if(d == nil){
		warning(nil, "can't fstat %s: %r\n", file);
		goto Rescue;
	}
	nulls = FALSE;
	if(d->qid.type & QTDIR){
		/* this is checked in get() but it's possible the file changed underfoot */
		if(t->file->ntext > 1){
			warning(nil, "%s is a directory; can't read with multiple windows on it\n", file);
			goto Rescue;
		}
		t->w->isdir = TRUE;
		t->w->filemenu = FALSE;
		if(t->file->name[t->file->nname-1] != '/'){
			rp = runemalloc(t->file->nname+1);
			runemove(rp, t->file->name, t->file->nname);
			rp[t->file->nname] = '/';
			winsetname(t->w, rp, t->file->nname+1);
			free(rp);
		}
		dlp = nil;
		ndl = 0;
		dbuf = nil;
		while((n=dirread(fd, &dbuf)) > 0){
			for(i=0; i<n; i++){
				dl = emalloc(sizeof(Dirlist));
				j = strlen(dbuf[i].name);
				tmp = emalloc(j+1+1);
				memmove(tmp, dbuf[i].name, j);
				if(dbuf[i].qid.type & QTDIR)
					tmp[j++] = '/';
				tmp[j] = '\0';
				dl->r = bytetorune(tmp, &dl->nr);
				dl->wid = stringwidth(t->font, tmp);
				free(tmp);
				ndl++;
				dlp = realloc(dlp, ndl*sizeof(Dirlist*));
				dlp[ndl-1] = dl;
			}
			free(dbuf);
		}
		qsort(dlp, ndl, sizeof(Dirlist*), dircmp);
		t->w->dlp = dlp;
		t->w->ndl = ndl;
		textcolumnate(t, dlp, ndl);
		q1 = t->file->nc;
	}else{
		t->w->isdir = FALSE;
		t->w->filemenu = TRUE;
		q1 = q0 + fileload(t->file, q0, fd, &nulls);
	}
	if(setqid){
		t->file->dev = d->dev;
		t->file->mtime = d->mtime;
		t->file->qidpath = d->qid.path;
	}
	close(fd);
	rp = fbufalloc();
	for(q=q0; q<q1; q+=n){
		n = q1-q;
		if(n > RBUFSIZE)
			n = RBUFSIZE;
		bufread(t->file, q, rp, n);
		if(q < t->org)
			t->org += n;
		else if(q <= t->org+t->nchars)
			frinsert(t, rp, rp+n, q-t->org);
		if(t->lastlinefull)
			break;
	}
	fbuffree(rp);
	for(i=0; i<t->file->ntext; i++){
		u = t->file->text[i];
		if(u != t){
			if(u->org > u->file->nc)	/* will be 0 because of reset(), but safety first */
				u->org = 0;
			textresize(u, u->all);
			textbacknl(u, u->org, 0);	/* go to beginning of line */
		}
		textsetselect(u, q0, q0);
	}
	if(nulls)
		warning(nil, "%s: NUL bytes elided\n", file);
	free(d);
	return q1-q0;

    Rescue:
	close(fd);
	return 0;
}