This commit was generated by cvs2svn to compensate for changes in r58,

which included commits to RCS files with non-trunk default branches.

svn path=/trunk/; revision=59

1 files changed, 367 insertions, 0 deletions

diff --git a/pd/src/t_tkcmd.c b/pd/src/t_tkcmd.c
new file mode 100644
index 00000000..c2abd846
--- /dev/null
+++ b/pd/src/t_tkcmd.c
@@ -0,0 +1,367 @@
+/* Copyright (c) 1997-1999 Miller Puckette.
+* For information on usage and redistribution, and for a DISCLAIMER OF ALL
+* WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */
+
+#ifdef UNIX 	/* in unix this only works first; in NT it only works last. */
+#include "tk.h"
+#endif
+
+#include "t_tk.h"
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#ifdef UNIX
+#include <unistd.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#ifdef HAVE_BSTRING_H
+#include <bstring.h>
+#endif
+#include <sys/time.h>
+#include <errno.h>
+#endif
+#ifdef NT
+#include <winsock.h>
+#include <io.h>
+#endif
+#ifdef NT
+#pragma warning( disable : 4305 )  /* uncast const double to float */
+#pragma warning( disable : 4244 )  /* uncast double to float */
+#pragma warning( disable : 4101 )  /* unused local variables */
+#endif
+
+#ifdef NT
+#include "tk.h"
+#endif
+
+void tcl_mess(char *s);
+
+/***************** the socket setup code ********************/
+
+static int portno = 5400;
+
+    	/* some installations of linux don't know about "localhost" so give
+	the loopback address; NT, on the other hand, can't understand the
+	hostname "127.0.0.1". */
+char hostname[100] =
+#ifdef __linux__
+    "127.0.0.1";
+#else
+    "localhost";
+#endif
+
+void pdgui_setsock(int port)
+{
+    portno = port;
+}
+
+void pdgui_sethost(char *name)
+{
+    strncpy(hostname, name, 100);
+    hostname[99] = 0;
+}
+
+static void pdgui_sockerror(char *s)
+{
+#ifdef NT
+    int err = WSAGetLastError();
+#endif
+#ifdef UNIX
+    int err = errno;
+#endif
+
+    fprintf(stderr, "%s: %s (%d)\n", s, strerror(err), err);
+    tcl_mess("exit\n");
+    exit(1);
+}
+
+static int sockfd;
+
+/* The "pd_suck" command, which polls the socket.
+    FIXME: if Pd sends something bigger than SOCKSIZE we're in trouble!
+    This has to be set bigger than any array update message for instance.
+*/
+#define SOCKSIZE 20000
+
+static char pd_tkbuf[SOCKSIZE+1];
+int pd_spillbytes = 0;
+
+static void pd_readsocket(ClientData cd, int mask)
+{
+    int ngot;
+    fd_set readset, writeset, exceptset;
+    struct timeval timout;
+
+    timout.tv_sec = 0;
+    timout.tv_usec = 0;
+    FD_ZERO(&writeset);
+    FD_ZERO(&readset);
+    FD_ZERO(&exceptset);
+    FD_SET(sockfd, &readset);
+    FD_SET(sockfd, &exceptset);
+    
+    if (select(sockfd+1, &readset, &writeset, &exceptset, &timout) < 0)
+    	perror("select");
+    if (FD_ISSET(sockfd, &exceptset) || FD_ISSET(sockfd, &readset))
+    {
+	int ret;
+	ret = recv(sockfd, pd_tkbuf + pd_spillbytes,
+	    SOCKSIZE - pd_spillbytes, 0);
+	if (ret < 0) pdgui_sockerror("socket receive error");
+	else if (ret == 0)
+	{
+	    /* fprintf(stderr, "read %d\n", SOCKSIZE - pd_spillbytes); */
+    	    fprintf(stderr, "pd_gui: pd process exited\n");
+    	    tcl_mess("exit\n");
+	}
+	else
+	{
+	    char *lastcr = 0, *bp = pd_tkbuf, *ep = bp + (pd_spillbytes + ret);
+	    int brace = 0;
+	    char lastc = 0;
+	    while (bp < ep)
+	    {
+	    	char c = *bp;
+	    	if (c == '}' && brace) brace--;
+	    	else if (c == '{') brace++;
+	    	else if (!brace && c == '\n' && lastc != '\\') lastcr = bp;
+	    	lastc = c;
+	    	bp++;
+	    }
+	    if (lastcr)
+	    {
+	    	int xtra = pd_tkbuf + pd_spillbytes + ret - (lastcr+1);
+	    	char bashwas = lastcr[1];
+	    	lastcr[1] = 0;
+	    	tcl_mess(pd_tkbuf);
+	    	lastcr[1] = bashwas;
+	    	if (xtra)
+	    	{
+	    	    /* fprintf(stderr, "x %d\n", xtra); */
+	    	    memmove(pd_tkbuf, lastcr+1, xtra);
+	    	}
+	    	pd_spillbytes = xtra;
+	    }
+	    else
+	    {
+	    	pd_spillbytes += ret;
+	    }
+	}
+    }
+}
+
+#ifndef UNIX
+    /* if we aren't UNIX, we add a tcl command to poll the
+    socket for data.  */
+static int pd_pollsocketCmd(ClientData cd, Tcl_Interp *interp,
+    int argc, char **argv)
+{
+    pd_readsocket(cd, 0);
+    return (TCL_OK);
+}
+#endif
+
+void pdgui_setupsocket(void)
+{
+    struct sockaddr_in server;
+    struct hostent *hp;
+
+#ifdef NT
+    short version = MAKEWORD(2, 0);
+    WSADATA nobby;
+
+    if (WSAStartup(version, &nobby)) pdgui_sockerror("setup");
+#endif
+
+    /* create a socket */
+    sockfd = socket(AF_INET, SOCK_STREAM, 0);
+    if (sockfd < 0) pdgui_sockerror("socket");
+
+    /* connect socket using hostname provided in command line */
+    server.sin_family = AF_INET;
+
+    hp = gethostbyname(hostname);
+
+    if (hp == 0)
+    {
+	fprintf(stderr,
+	    "localhost not found (inet protocol not installed?)\n");
+	exit(1);
+    }
+    memcpy((char *)&server.sin_addr, (char *)hp->h_addr, hp->h_length);
+
+    /* assign client port number */
+    server.sin_port = htons((unsigned short)portno);
+
+	/* try to connect */
+    if (connect(sockfd, (struct sockaddr *) &server, sizeof (server)) < 0)
+    	pdgui_sockerror("connecting stream socket");
+
+#ifdef UNIX
+    	/* in unix we ask TK to call us back.  In NT we have to poll. */
+    Tk_CreateFileHandler(sockfd, TK_READABLE | TK_EXCEPTION,
+    	pd_readsocket, 0);
+#endif
+}
+
+/**************************** commands ************************/
+static char *pdgui_path;
+
+/* The "pd" command, which cats its args together and throws the result
+* at the Pd interpreter.
+*/
+#define MAXWRITE 1024
+
+static int pdCmd(ClientData cd, Tcl_Interp *interp, int argc,  char **argv)
+{
+    if (argc == 2)
+    {
+    	int n = strlen(argv[1]);
+	if (send(sockfd, argv[1], n, 0) < n)
+	{
+    	    perror("stdout");
+    	    tcl_mess("exit\n");
+	}
+    }
+    else
+    {
+    	int i;
+    	char buf[MAXWRITE];
+    	buf[0] = 0;
+    	for (i = 1; i < argc; i++)
+    	{
+    	    if (strlen(argv[i]) + strlen(buf) + 2 > MAXWRITE)
+	    {
+		interp->result = "pd: arg list too long";
+		return (TCL_ERROR);	
+	    }
+	    if (i > 1) strcat(buf, " ");
+	    strcat(buf, argv[i]);
+	}
+	if (send(sockfd, buf, strlen(buf), 0) < 0)
+	{
+    	    perror("stdout");
+    	    tcl_mess("exit\n");
+	}
+    }
+    return (TCL_OK);
+}
+
+/***********  "c" level access to tk functions. ******************/
+
+static Tcl_Interp *tk_myinterp;
+
+void tcl_mess(char *s)
+{
+    int result;
+    result = Tcl_Eval(tk_myinterp,  s);
+    if (result != TCL_OK)
+    {
+    	if (*tk_myinterp->result) printf("%s\n",  tk_myinterp->result);
+    }
+}
+
+/* LATER should do a bounds check -- but how do you get printf to do that? */
+void tcl_vmess(char *fmt, ...)
+{
+    int result, i;
+    char buf[MAXWRITE];
+    va_list ap;
+    
+    va_start(ap, fmt);
+
+    vsprintf(buf, fmt, ap);
+    result = Tcl_Eval(tk_myinterp, buf);
+    if (result != TCL_OK)
+    {
+    	if (*tk_myinterp->result) printf("%s\n",  tk_myinterp->result);
+    }
+    va_end(ap);
+}
+
+#ifdef UNIX
+void pdgui_doevalfile(Tcl_Interp *interp, char *s)
+{
+    char buf[GUISTRING];
+    sprintf(buf, "set pd_guidir \"%s\"\n", pdgui_path);
+    tcl_mess(buf);
+    strcpy(buf, pdgui_path);
+    strcat(buf, "/bin/");
+    strcat(buf, s);
+    if (Tcl_EvalFile(interp, buf) != TCL_OK)
+    {
+    	char buf2[1000];
+    	sprintf(buf2, "puts [concat tcl: %s: can't open script]\n",
+    	    buf);
+    	tcl_mess(buf2);
+    }
+}
+
+void pdgui_evalfile(char *s)
+{
+    pdgui_doevalfile(tk_myinterp, s);
+}
+#endif
+
+void pdgui_startup(Tcl_Interp *interp)
+{
+
+    	/* save pointer to the main interpreter */
+    tk_myinterp = interp;
+
+
+    	/* add our own TK commands */
+    Tcl_CreateCommand(interp, "pd",  pdCmd, (ClientData)NULL, 
+	(Tcl_CmdDeleteProc *)NULL); 
+#ifndef UNIX
+    Tcl_CreateCommand(interp, "pd_pollsocket",  pd_pollsocketCmd,
+    	(ClientData)NULL, (Tcl_CmdDeleteProc *)NULL);
+#endif
+    pdgui_setupsocket();
+    
+	/* read in the startup file */
+#if !defined(NT) && !defined(MACOSX)
+    pdgui_evalfile("pd.tk");
+#endif
+}
+
+#ifdef UNIX
+void pdgui_setname(char *s)
+{
+    char *t;
+    char *str;
+    int n;
+    if (t = strrchr(s, '/')) str = s, n = (t-s) + 1;
+    else str = "./", n = 2;
+    if (n > GUISTRING-100) n = GUISTRING-100;
+    pdgui_path = malloc(n+9);
+
+    strncpy(pdgui_path, str, n);
+    while (strlen(pdgui_path) > 0 && pdgui_path[strlen(pdgui_path)-1] == '/')
+    	pdgui_path[strlen(pdgui_path)-1] = 0;
+    if (t = strrchr(pdgui_path, '/'))
+    	*t = 0;
+}
+#endif
+
+int Pdtcl_Init(Tcl_Interp *interp)
+{
+	char *myvalue = Tcl_GetVar(interp, "argv", 0);
+	int myportno;
+	if (myvalue && (myportno = atoi(myvalue)) > 1)
+			pdgui_setsock(myportno);
+	tk_myinterp = interp;
+	pdgui_startup(interp); 
+	interp->result = "loaded pdtcl_init";
+
+	return (TCL_OK);
+}
+
+int Pdtcl_SafeInit(Tcl_Interp *interp) {
+    fprintf(stderr, "Pdtcl_Safeinit 51\n");
+	return (TCL_OK);
+}
+