shithub: vdir

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listen on 'vdir' plumber port (thanks sigrid)

	this allows to change the current patch when a directory is plumbed
	outside of vdir.

--- a/README.md

+++ b/README.md

@@ -1,6 +1,6 @@

 vdir

 =====

-A minimalistic visual directory browser for Plan9.

+A minimalistic visual directory browser for Plan 9.

 ![vdir](vdir.png)

@@ -31,13 +31,25 @@

 Path plumbing:

 --------------

-When right-clicking the path in the toolbar, the path name is sent to plumber.

-This can be used to open a window in the directory for instance:

+When right-clicking the path in the toolbar, or pressing Space, the

+path name is sent to plumber.  This can be used to open a window in

+the directory for instance:

+

 ```

 src is vdir

 type is text

 arg isdir $data

 plumb start window -cd $data rc

+```

+

+In addition, a plumb rule can be installed so that plumbing a

+directory will change the current path of a running vdir:

+

+```

+type is text

+arg isdir $data

+plumb to vdir

+plumb client window vdir

 ```

 Disclaimer:

--- a/vdir.c

+++ b/vdir.c

@@ -25,6 +25,7 @@

 	Emouse,

 	Eresize,

 	Ekeyboard,

+	Eplumb,

 };

 enum

@@ -38,7 +39,7 @@

 const char ellipsis[] = "…";

 char *home;

-char path[256];

+char path[4096];

 Dir* dirs;

 long ndirs;

 Mousectl *mctl;

@@ -162,10 +163,10 @@

 void

 cd(char *dir)

 {

-	char newpath[256] = {0};

+	char newpath[4096] = {0};

 	if(dir == nil)

-		snprint(newpath, sizeof path, home);

+		snprint(newpath, sizeof newpath, home);

 	else if(dir[0] == '/')

 		snprint(newpath, sizeof newpath, dir);

 	else

@@ -603,7 +604,7 @@

 {

 	int n, dy;

 	Dir d;

-	char buf[256] = {0};

+	char buf[4096] = {0};

 	if(oldbuttons == 0 && m.buttons != 0 && ptinrect(m.xy, scrollr))

 		scrolling = 1;

@@ -711,6 +712,29 @@

 }

 void

+plumbdir(void *c)

+{

+	Plumbmsg *m;

+	char *s;

+	int f;

+

+	if((f = plumbopen("vdir", OREAD)) >= 0){

+		while((m = plumbrecv(f)) != nil){

+			s = m->data;

+			if(*s != '/' && m->wdir != nil)

+				s = smprint("%s/%.*s", m->wdir, m->ndata, m->data);

+			else

+				s = smprint("%.*s", m->ndata, m->data);

+			plumbfree(m);

+			if(sendp(c, s) != 1)

+				break;

+		}

+	}

+

+	threadexits(nil);

+}

+

+void

 usage(void)

 {

 	fprint(2, "usage: %s [-r] [path]\n", argv0);

@@ -722,10 +746,12 @@

 {

 	Mouse m;

 	Rune k;

+	char *d;

 	Alt alts[] = {

 		{ nil, &m,  CHANRCV },

 		{ nil, nil, CHANRCV },	

 		{ nil, &k,  CHANRCV },

+		{ nil, &d,  CHANRCV },

 		{ nil, nil, CHANEND },

 	};

@@ -760,6 +786,8 @@

 	alts[Emouse].c = mctl->c;

 	alts[Eresize].c = mctl->resizec;

 	alts[Ekeyboard].c = kctl->c;

+	alts[Eplumb].c = chancreate(sizeof(d), 1);

+	proccreate(plumbdir, alts[Eplumb].c, 4096);

 	readhome();

 	loaddirs();

 	initcolors();

@@ -775,6 +803,11 @@

 			break;

 		case Ekeyboard:

 			evtkey(k);

+			break;

+		case Eplumb:

+			cd(d);

+			free(d);

+			redraw();

 			break;

 		}

 	}