Dhog's 9term.

Updated for current libraries by Caerwyn Jones.
Button-3 plumbing (like in acme) by rsc.

src/cmd/9term/9term.h

@@ -0,0 +1,120 @@
+#include <u.h>
+#include <libc.h>
+#include <ctype.h>
+#include <draw.h>
+#include <thread.h>
+#include <mouse.h>
+#include <cursor.h>
+#include <keyboard.h>
+#include <frame.h>
+#include <plumb.h>
+#include <termios.h>
+
+#define fatal	sysfatal
+
+typedef struct Text	Text;
+typedef struct Readbuf	Readbuf;
+
+enum
+{
+	/* these are chosen to use malloc()'s properties well */
+	HiWater	= 640000,	/* max size of history */
+	LoWater	= 330000,	/* min size of history after max'ed */
+};
+
+/* various geometric paramters */
+enum
+{
+	Scrollwid 	= 12,		/* width of scroll bar */
+	Scrollgap 	= 4,		/* gap right of scroll bar */
+	Maxtab		= 4,
+};
+
+enum
+{
+	Cut,
+	Paste,
+	Snarf,
+	Send,
+	Scroll,
+	Plumb,
+};
+
+
+#define	SCROLLKEY	Kdown
+#define	ESC		0x1B
+#define CUT		0x18	/* ctrl-x */		
+#define COPY		0x03	/* crtl-c */
+#define PASTE		0x16	/* crtl-v */
+#define BACKSCROLLKEY	Kup
+
+#define	READBUFSIZE 8192
+
+struct Text
+{
+	Frame		*f;		/* frame ofr terminal */
+	Mouse		m;
+	uint		nr;		/* num of runes in term */
+	Rune		*r;		/* runes for term */
+	uint		nraw;		/* num of runes in raw buffer */
+	Rune		*raw;		/* raw buffer */
+	uint		org;		/* first rune on the screen */
+	uint		q0;		/* start of selection region */
+	uint		q1;		/* end of selection region */
+	uint		qh;		/* unix point */
+	int		npart;		/* partial runes read from console */
+	char		part[UTFmax];	
+	int		nsnarf;		/* snarf buffer */
+	Rune		*snarf;
+};
+
+struct Readbuf
+{
+	short	n;				/* # bytes in buf */
+	uchar	data[READBUFSIZE];		/* data bytes */
+};
+
+void	mouse(void);
+void	domenu2(int);
+void	loop(void);
+void	geom(void);
+void	fill(void);
+void	tcheck(void);
+void	updatesel(void);
+void	doreshape(void);
+void	rcstart(int fd[2]);
+void	runewrite(Rune*, int);
+void	consread(void);
+void	conswrite(char*, int);
+int	bswidth(Rune c);
+void	cut(void);
+void	paste(Rune*, int, int);
+void	snarfupdate(void);
+void	snarf(void);
+void	show(uint);
+void	key(Rune);
+void	setorigin(uint org, int exact);
+uint	line2q(uint);
+uint	backnl(uint, uint);
+int	cansee(uint);
+uint	backnl(uint, uint);
+void	addraw(Rune*, int);
+void	mselect(void);
+void	doubleclick(uint *q0, uint *q1);
+int	clickmatch(int cl, int cr, int dir, uint *q);
+Rune	*strrune(Rune *s, Rune c);
+int	consready(void);
+Rectangle scrpos(Rectangle r, ulong p0, ulong p1, ulong tot);
+void	scrdraw(void);
+void	scroll(int);
+void	hostproc(void *arg);
+void	hoststart(void);
+void	pdx(int, char*, int);
+void	plumbstart(void);
+void	plumb(uint, uint);
+void	plumbclick(uint*, uint*);
+int	getpts(int fd[], char *slave);
+
+#define	runemalloc(n)		malloc((n)*sizeof(Rune))
+#define	runerealloc(a, n)	realloc(a, (n)*sizeof(Rune))
+#define	runemove(a, b, n)	memmove(a, b, (n)*sizeof(Rune))

src/cmd/9term/FreeBSD.c

@@ -0,0 +1 @@
+#include "Linux.c"

src/cmd/9term/Linux.c

@@ -0,0 +1,22 @@
+#include "9term.h"
+
+void
+pdx(int pid, char *wdir, int bufn)
+{
+	char path[256];
+	int n;
+
+	snprint(path, sizeof path, "/proc/%d/cwd", pid);
+	n = readlink(path, wdir, bufn);
+	if(n < 0)
+		n = 0;
+	wdir[n] = '\0';
+}
+
+int
+getpts(int fd[], char *slave)
+{
+
+	openpty(&fd[1], &fd[0], slave, 0, 0);
+	return 0;
+}

src/cmd/9term/mkfile

@@ -0,0 +1,14 @@
+PLAN9=../../..
+<$PLAN9/src/mkhdr
+
+TARG=9term
+
+OFILES=\
+	9term.$O\
+	$SYSNAME.$O\
+
+<$PLAN9/src/mkone
+
+LDFLAGS=-lframe -ldraw -lplumb -lthread -l9 -lfmt -lutf -L$X11/lib -lX11 -lutil
+
+