updated for version 7.0001v7.0001

1 files changed, 1198 insertions, 0 deletions

diff --git a/src/integration.c b/src/integration.c
new file mode 100644
index 000000000..05a9dec3f
--- /dev/null
+++ b/src/integration.c
@@ -0,0 +1,1198 @@
+/* vi:set ts=8 sw=8:
+ *
+ * VIM - Vi IMproved	by Bram Moolenaar
+ *			Visual Workshop integration by Gordon Prieur
+ *
+ * Do ":help uganda"  in Vim to read copying and usage conditions.
+ * Do ":help credits" in Vim to see a list of people who contributed.
+ * See README.txt for an overview of the Vim source code.
+ */
+
+/*
+ * Integration with Sun Workshop.
+ *
+ * This file should not change much, it's also used by other editors that
+ * connect to Workshop.  Consider changing workshop.c instead.
+ */
+/*
+-> consider using MakeSelectionVisible instead of gotoLine hacks
+   to show the line properly
+     -> consider using glue instead of our own message wrapping functions
+	(but can only use glue if we don't have to distribute source)
+*/
+
+#include "vim.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <fcntl.h>
+
+#ifdef INET_SOCKETS
+#include <netdb.h>
+#include <netinet/in.h>
+#else
+#include <sys/un.h>
+#endif
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/param.h>
+#ifdef HAVE_LIBGEN_H
+# include <libgen.h>
+#endif
+#include <unistd.h>
+#include <string.h>
+
+#include <X11/Intrinsic.h>
+#include <Xm/Xm.h>
+#include <Xm/AtomMgr.h>
+#include <Xm/PushB.h>
+
+#ifdef HAVE_X11_XPM_H
+# include <X11/xpm.h>
+#else
+# ifdef HAVE_XM_XPMP_H
+#  include <Xm/XpmP.h>
+# endif
+#endif
+
+#ifdef HAVE_UTIL_DEBUG_H
+# include <util/debug.h>
+#endif
+#ifdef HAVE_UTIL_MSGI18N_H
+# include <util/msgi18n.h>
+#endif
+
+#include "integration.h"	/* <EditPlugin/integration.h> */
+#ifdef HAVE_FRAME_H
+# include <frame.h>
+#endif
+
+#ifndef MAX
+# define MAX(a, b)    (a) > (b) ? (a) : (b)
+#endif
+
+#ifndef NOCATGETS
+# define NOCATGETS(x) x
+#endif
+
+/* Functions private to this file */
+static void workshop_connection_closed(void);
+static void messageFromEserve(XtPointer clientData, int *NOTUSED1, XtInputId *NOTUSED2);
+static void workshop_disconnect(void);
+static void workshop_sensitivity(int num, char *table);
+static void adjust_sign_name(char *filename);
+static void process_menuItem(char *);
+static void process_toolbarButton(char *);
+static void workshop_set_option_first(char *name, char *value);
+
+
+#define CMDBUFSIZ	2048
+
+#ifdef DEBUG
+static FILE *dfd;
+static void pldebug(char *, ...);
+static void unrecognised_message(char *);
+
+#define HANDLE_ERRORS(cmd)	else unrecognised_message(cmd);
+#else
+#define HANDLE_ERRORS(cmd)
+#endif
+
+/*
+ * Version number of the protocol between an editor and eserve.
+ * This number should be incremented when the protocol
+ * is changed.
+ */
+#define	PROTOCOL_VERSION	"4.0.0"
+
+static int sd = -1;
+static XtInputId inputHandler;		/* Cookie for input */
+
+Boolean save_files = True;		/* When true, save all files before build actions */
+
+void
+workshop_connection_closed(void)
+{
+	/*
+	 * socket closed on other end
+	 */
+	XtRemoveInput(inputHandler);
+	inputHandler = 0;
+	sd = -1;
+}
+
+	static char *
+getCommand(void)
+{
+	int	 len;		/* length of this command */
+	char	 lenbuf[7];	/* get the length string here */
+	char	*newcb;		/* used to realloc cmdbuf */
+	static char	*cmdbuf;/* get the command string here */
+	static int	 cbsize;/* size of cmdbuf */
+
+	if ((len = read(sd, &lenbuf, 6)) == 6) {
+		lenbuf[6] = 0; /* Terminate buffer such that atoi() works right */
+		len = atoi(lenbuf);
+		if (cbsize < (len + 1)) {
+			newcb = (char *) realloc(cmdbuf,
+			    MAX((len + 256), CMDBUFSIZ));
+			if (newcb != NULL) {
+				cmdbuf = newcb;
+				cbsize = MAX((len + 256), CMDBUFSIZ);
+			}
+		}
+		if (cbsize >= len && (len = read(sd, cmdbuf, len)) > 0) {
+			cmdbuf[len] = 0;
+			return cmdbuf;
+		} else {
+			return NULL;
+		}
+	} else {
+		if (len == 0) { /* EOF */
+			workshop_connection_closed();
+		}
+		return NULL;
+	}
+
+}
+
+/*ARGSUSED*/
+void
+messageFromEserve(XtPointer clientData, int *NOTUSED1, XtInputId *NOTUSED2)
+{
+	char	*cmd;		/* the 1st word of the command */
+
+	cmd = getCommand();
+	if (cmd == NULL) {
+		/* We're being shut down by eserve and the "quit" message
+		 * didn't arrive before the socket connection got closed */
+		return;
+	}
+#ifdef DEBUG
+	pldebug("%s\n", cmd);
+#endif
+	switch (*cmd) {
+	case 'a':
+		if (cmd[1] == 'c' &&
+		    strncmp(cmd, NOCATGETS("ack "), 4) == 0) {
+			int ackNum;
+			char buf[20];
+
+			ackNum = atoi(&cmd[4]);
+			sprintf(buf, NOCATGETS("ack %d\n"), ackNum);
+			write(sd, buf, strlen(buf));
+		} else if (strncmp(cmd,
+		    NOCATGETS("addMarkType "), 12) == 0) {
+			int idx;
+			char *color;
+			char *sign;
+
+			idx = atoi(strtok(&cmd[12], " "));
+			color  = strtok(NULL, NOCATGETS("\001"));
+			sign  = strtok(NULL, NOCATGETS("\001"));
+			/* Skip space that separates names */
+			if (color) {
+				color++;
+			}
+			if (sign) {
+				sign++;
+			}
+			/* Change sign name to accomodate a different size? */
+			adjust_sign_name(sign);
+			workshop_add_mark_type(idx, color, sign);
+		}
+		HANDLE_ERRORS(cmd);
+		break;
+
+	case 'b':
+		if (strncmp(cmd,
+		    NOCATGETS("balloon "), 8) == 0) {
+			char *tip;
+
+			tip  = strtok(&cmd[8], NOCATGETS("\001"));
+			workshop_show_balloon_tip(tip);
+		}
+		HANDLE_ERRORS(cmd);
+		break;
+
+	case 'c':
+		if (strncmp(cmd,
+		    NOCATGETS("changeMarkType "), 15) == 0) {
+			char *file;
+			int markId;
+			int type;
+
+			file  = strtok(&cmd[15], " ");
+			markId = atoi(strtok(NULL, " "));
+			type = atoi(strtok(NULL, " "));
+			workshop_change_mark_type(file, markId, type);
+		}
+		HANDLE_ERRORS(cmd);
+		break;
+
+	case 'd':
+		if (strncmp(cmd, NOCATGETS("deleteMark "), 11) == 0) {
+			char *file;
+			int markId;
+
+			file  = strtok(&cmd[11], " ");
+			markId = atoi(strtok(NULL, " "));
+			workshop_delete_mark(file, markId);
+		}
+		HANDLE_ERRORS(cmd);
+		break;
+
+	case 'f':
+		if (cmd[1] == 'o' &&
+		    strncmp(cmd, NOCATGETS("footerMsg "), 10) == 0) {
+			int severity;
+			char *message;
+
+			severity =
+			    atoi(strtok(&cmd[10], " "));
+			message = strtok(NULL, NOCATGETS("\001"));
+
+			workshop_footer_message(message, severity);
+		} else if (strncmp(cmd,
+		    NOCATGETS("frontFile "), 10) == 0) {
+			char *file;
+
+			file  = strtok(&cmd[10], " ");
+			workshop_front_file(file);
+		}
+		HANDLE_ERRORS(cmd);
+		break;
+
+	case 'g':
+		if (cmd[1] == 'e' &&
+		    strncmp(cmd, NOCATGETS("getMarkLine "), 12) == 0) {
+			char *file;
+			int markid;
+			int line;
+			char buf[100];
+
+			file  = strtok(&cmd[12], " ");
+			markid = atoi(strtok(NULL, " "));
+			line = workshop_get_mark_lineno(file, markid);
+			sprintf(buf, NOCATGETS("markLine %s %d %d\n"),
+			    file, markid, line);
+			write(sd, buf, strlen(buf));
+		} else if (cmd[1] == 'o' && cmd[4] == 'L' &&
+		    strncmp(cmd, NOCATGETS("gotoLine "), 9) == 0) {
+			char *file;
+			int lineno;
+
+			file  = strtok(&cmd[9], " ");
+			lineno = atoi(strtok(NULL, " "));
+			workshop_goto_line(file, lineno);
+		} else if (strncmp(cmd,
+		    NOCATGETS("gotoMark "), 9) == 0) {
+			char *file;
+			int markId;
+			char *message;
+
+			file  = strtok(&cmd[9], " ");
+			markId = atoi(strtok(NULL, " "));
+			message = strtok(NULL, NOCATGETS("\001"));
+			workshop_goto_mark(file, markId, message);
+#ifdef NOHANDS_SUPPORT_FUNCTIONS
+		} else if (strcmp(cmd, NOCATGETS("getCurrentFile")) == 0) {
+			char *f = workshop_test_getcurrentfile();
+			char buffer[2*MAXPATHLEN];
+			sprintf(buffer, NOCATGETS("currentFile %d %s"),
+				f ? strlen(f) : 0, f ? f : "");
+			workshop_send_message(buffer);
+		} else if (strcmp(cmd, NOCATGETS("getCursorRow")) == 0) {
+			int row = workshop_test_getcursorrow();
+			char buffer[2*MAXPATHLEN];
+			sprintf(buffer, NOCATGETS("cursorRow %d"), row);
+			workshop_send_message(buffer);
+		} else if (strcmp(cmd, NOCATGETS("getCursorCol")) == 0) {
+			int col = workshop_test_getcursorcol();
+			char buffer[2*MAXPATHLEN];
+			sprintf(buffer, NOCATGETS("cursorCol %d"), col);
+			workshop_send_message(buffer);
+		} else if (strcmp(cmd, NOCATGETS("getCursorRowText")) == 0) {
+			char *t = workshop_test_getcursorrowtext();
+			char buffer[2*MAXPATHLEN];
+			sprintf(buffer, NOCATGETS("cursorRowText %d %s"),
+				t ? strlen(t) : 0, t ? t : "");
+			workshop_send_message(buffer);
+		} else if (strcmp(cmd, NOCATGETS("getSelectedText")) == 0) {
+			char *t = workshop_test_getselectedtext();
+			char buffer[2*MAXPATHLEN];
+			sprintf(buffer, NOCATGETS("selectedText %d %s"),
+				t ? strlen(t) : 0, t ? t : "");
+			workshop_send_message(buffer);
+#endif
+		}
+		HANDLE_ERRORS(cmd);
+		break;
+
+	case 'l':
+		if (strncmp(cmd, NOCATGETS("loadFile "), 9) == 0) {
+			char *file;
+			int line;
+			char *frameid;
+
+			file  = strtok(&cmd[9], " ");
+			line = atoi(strtok(NULL, " "));
+			frameid = strtok(NULL, " ");
+			workshop_load_file(file, line, frameid);
+		}
+		HANDLE_ERRORS(cmd);
+		break;
+
+	case 'm':			/* Menu, minimize, maximize */
+		if (cmd[1] == 'e' && cmd[4] == 'B' &&
+		    strncmp(cmd, NOCATGETS("menuBegin "), 10) == 0) {
+			workshop_menu_begin(&cmd[10]);
+		} else if (cmd[1] == 'e' && cmd[4] == 'I' &&
+		    strncmp(cmd, NOCATGETS("menuItem "), 9) == 0) {
+			process_menuItem(cmd);
+		} else if (cmd[1] == 'e' && cmd[4] == 'E' &&
+		    strcmp(cmd, NOCATGETS("menuEnd")) == 0) {
+			workshop_menu_end();
+		} else if (cmd[1] == 'a' &&
+		    strcmp(cmd, NOCATGETS("maximize")) == 0) {
+			workshop_maximize();
+		} else if (strcmp(cmd, NOCATGETS("minimize")) == 0) {
+			workshop_minimize();
+		}
+		HANDLE_ERRORS(cmd);
+		break;
+
+	case 'o':
+		if (cmd[1] == 'p' &&
+		    strcmp(cmd, NOCATGETS("option"))) {
+			char *name;
+			char *value;
+
+			name  = strtok(&cmd[7], " ");
+			value = strtok(NULL, " ");
+			workshop_set_option_first(name, value);
+		}
+		HANDLE_ERRORS(cmd);
+		break;
+
+	case 'p':
+		if (strcmp(cmd, NOCATGETS("ping")) == 0) {
+#if 0
+			int pingNum;
+
+			pingNum = atoi(&cmd[5]);
+			workshop_send_ack(ackNum);
+			WHAT DO I DO HERE?
+#endif
+		}
+		HANDLE_ERRORS(cmd);
+		break;
+
+	case 'q':
+		if (strncmp(cmd, NOCATGETS("quit"), 4) == 0) {
+
+			/* Close the connection. It's important to do
+			 * that now, since workshop_quit might be
+			 * looking at open files.  For example, if you
+			 * have modified one of the files without
+			 * saving, NEdit will ask you what you want to
+			 * do, and spin loop by calling
+			 * XtAppProcessEvent while waiting for your
+			 * reply. In this case, if we still have an
+			 * input handler and the socket has been
+			 * closed on the other side when eserve
+			 * expired, we will hang in IoWait.
+			 */
+			workshop_disconnect();
+
+			workshop_quit();
+		}
+		HANDLE_ERRORS(cmd);
+		break;
+
+	case 'r':
+		if (cmd[1] == 'e' &&
+		    strncmp(cmd, NOCATGETS("reloadFile "), 11) == 0) {
+			char *file;
+			int line;
+
+			file  = strtok(&cmd[11], " ");
+			line = atoi(strtok(NULL, " "));
+			workshop_reload_file(file, line);
+		}
+		HANDLE_ERRORS(cmd);
+		break;
+
+	case 's':
+		if (cmd[1] == 'e' && cmd[2] == 't' &&
+		    strncmp(cmd, NOCATGETS("setMark "), 8) == 0) {
+			char *file;
+			int line;
+			int markId;
+			int type;
+
+			file  = strtok(&cmd[8], " ");
+			line = atoi(strtok(NULL, " "));
+			markId = atoi(strtok(NULL, " "));
+			type = atoi(strtok(NULL, " "));
+			workshop_set_mark(file, line, markId, type);
+		} else if (cmd[1] == 'h' &&
+		    strncmp(cmd, NOCATGETS("showFile "), 9) == 0) {
+			workshop_show_file(&cmd[9]);
+		} else if (cmd[1] == 'u' &&
+		    strncmp(cmd, NOCATGETS("subMenu "), 8) == 0) {
+			char *label;
+
+			label  = strtok(&cmd[8], NOCATGETS("\001"));
+			workshop_submenu_begin(label);
+		} else if (cmd[1] == 'u' &&
+		    strcmp(cmd, NOCATGETS("subMenuEnd")) == 0) {
+			workshop_submenu_end();
+		} else if (cmd[1] == 'e' && cmd[2] == 'n' &&
+		    strncmp(cmd, NOCATGETS("sensitivity "), 12) == 0) {
+			int num;
+			char *bracket;
+			char *table;
+
+			num = atoi(strtok(&cmd[12], " "));
+			bracket = strtok(NULL, " ");
+			if (*bracket != '[') {
+				fprintf(stderr, NOCATGETS("Parsing "
+				    "error for sensitivity\n"));
+			} else {
+				table = strtok(NULL, NOCATGETS("]"));
+				workshop_sensitivity(num, table);
+			}
+		} else if (cmd[1] == 'e' && cmd[2] == 'n' && cmd[3] == 'd' &&
+			   strncmp(cmd, NOCATGETS("sendVerb "), 9) == 0) {
+			/* Send the given verb back (used for the
+			 * debug.lineno callback (such that other tools
+			 * can obtain the position coordinates or the
+			 * selection) */
+			char *verb;
+
+			verb = strtok(&cmd[9], " ");
+			workshop_perform_verb(verb, NULL);
+		} else if (cmd[1] == 'a' &&
+		    strncmp(cmd, NOCATGETS("saveFile "), 9) == 0) {
+			workshop_save_file(&cmd[9]);
+#ifdef NOHANDS_SUPPORT_FUNCTIONS
+		} else if (strncmp(cmd, NOCATGETS("saveSensitivity "), 16) == 0) {
+			char *file;
+
+			file  = strtok(&cmd[16], " ");
+			workshop_save_sensitivity(file);
+#endif
+		}
+		HANDLE_ERRORS(cmd);
+		break;
+
+	case 't':			/* Toolbar */
+		if (cmd[8] == 'e' &&
+		    strncmp(cmd, NOCATGETS("toolbarBegin"), 12) == 0) {
+			workshop_toolbar_begin();
+		} else if (cmd[8] == 'u' &&
+		    strncmp(cmd, NOCATGETS("toolbarButton"), 13) == 0) {
+			process_toolbarButton(cmd);
+		} else if (cmd[7] == 'E' &&
+		    strcmp(cmd, NOCATGETS("toolbarEnd")) == 0) {
+			workshop_toolbar_end();
+		}
+		HANDLE_ERRORS(cmd);
+		break;
+
+#ifdef DEBUG
+	default:
+		unrecognised_message(cmd);
+		break;
+#endif
+	}
+}
+
+static void
+process_menuItem(
+	char	*cmd)
+{
+	char *label  = strtok(&cmd[9], NOCATGETS("\001"));
+	char *verb  = strtok(NULL, NOCATGETS("\001"));
+	char *acc = strtok(NULL, NOCATGETS("\001"));
+	char *accText  = strtok(NULL, NOCATGETS("\001"));
+	char *name  = strtok(NULL, NOCATGETS("\001"));
+	char *sense  = strtok(NULL, NOCATGETS("\n"));
+	char *filepos  = strtok(NULL, NOCATGETS("\n"));
+	if (*acc == '-') {
+		acc = NULL;
+	}
+	if (*accText == '-') {
+		accText = NULL;
+	}
+	workshop_menu_item(label, verb, acc, accText, name, filepos, sense);
+
+}
+
+
+static void
+process_toolbarButton(
+	char	*cmd)			/* button definition */
+{
+	char *label  = strtok(&cmd[14], NOCATGETS("\001"));
+	char *verb  = strtok(NULL, NOCATGETS("\001"));
+	char *senseVerb  = strtok(NULL, NOCATGETS("\001"));
+	char *filepos  = strtok(NULL, NOCATGETS("\001"));
+	char *help  = strtok(NULL, NOCATGETS("\001"));
+	char *sense  = strtok(NULL, NOCATGETS("\001"));
+	char *file  = strtok(NULL, NOCATGETS("\001"));
+	char *left  = strtok(NULL, NOCATGETS("\n"));
+
+	if (!strcmp(label, NOCATGETS("-"))) {
+		label = NULL;
+	}
+	if (!strcmp(help, NOCATGETS("-"))) {
+		help = NULL;
+	}
+	if (!strcmp(file, NOCATGETS("-"))) {
+		file = NULL;
+	}
+	if (!strcmp(senseVerb, NOCATGETS("-"))) {
+		senseVerb = NULL;
+	}
+	workshop_toolbar_button(label, verb, senseVerb, filepos, help,
+				sense, file, left);
+}
+
+
+#ifdef DEBUG
+void
+unrecognised_message(
+	char	*cmd)
+{
+	pldebug("Unrecognised eserve message:\n\t%s\n", cmd);
+	/* abort(); */
+}
+#endif
+
+
+/* Change sign name to accomodate a different size:
+ * Create the filename based on the height. The filename format
+ * of multisize icons are:
+ *    x.xpm   : largest icon
+ *    x1.xpm  : smaller icon
+ *    x2.xpm  : smallest icon */
+	void
+adjust_sign_name(char *filename)
+{
+	char *s;
+	static int fontSize = -1;
+
+	if (fontSize == -1)
+		fontSize = workshop_get_font_height();
+	if (fontSize == 0)
+		return;
+	if (filename[0] == '-')
+		return;
+
+	/* This is ugly: later we should instead pass the fontheight over
+	 * to eserve on startup and let eserve just send the right filenames
+	 * to us in the first place
+
+	 * I know that the filename will end with 1.xpm (see
+	 * GuiEditor.cc`LispPrintSign if you wonder why) */
+	s = filename+strlen(filename)-5;
+	if (fontSize <= 11)
+		strcpy(s, "2.xpm");
+	else if (fontSize <= 15)
+		strcpy(s, "1.xpm");
+	else
+		strcpy(s, ".xpm");
+}
+
+/* Were we invoked by WorkShop? This function can be used early during startup
+   if you want to do things differently if the editor is started standalone
+   or in WorkShop mode. For example, in standalone mode you may not want to
+   add a footer/message area or a sign gutter. */
+int
+workshop_invoked()
+{
+	static int result = -1;
+	if (result == -1) {
+		result = (getenv(NOCATGETS("SPRO_EDITOR_SOCKET")) != NULL);
+	}
+	return result;
+}
+
+/* Connect back to eserve */
+void	workshop_connect(XtAppContext context)
+{
+#ifdef INET_SOCKETS
+	struct sockaddr_in	server;
+	struct hostent *	host;
+	int			port;
+#else
+	struct sockaddr_un	server;
+#endif
+	char			buf[32];
+	char *			address;
+#ifdef DEBUG
+	char			*file;
+#endif
+
+	address = getenv(NOCATGETS("SPRO_EDITOR_SOCKET"));
+	if (address == NULL) {
+		return;
+	}
+
+#ifdef INET_SOCKETS
+	port = atoi(address);
+
+	if ((sd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
+		PERROR(NOCATGETS("workshop_connect"));
+		return;
+	}
+
+	/* Get the server internet address and put into addr structure */
+	/* fill in the socket address structure and connect to server */
+	memset((char *)&server, '\0', sizeof(server));
+	server.sin_family = AF_INET;
+	server.sin_port = port;
+	if ((host = gethostbyname(NOCATGETS("localhost"))) == NULL) {
+		PERROR(NOCATGETS("gethostbyname"));
+		sd = -1;
+		return;
+	}
+	memcpy((char *)&server.sin_addr, host->h_addr, host->h_length);
+#else
+	if ((sd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
+		PERROR(NOCATGETS("workshop_connect"));
+		return;
+	}
+
+	server.sun_family = AF_UNIX;
+	strcpy(server.sun_path, address);
+#endif
+	/* Connect to server */
+	if (connect(sd, (struct sockaddr *)&server, sizeof(server))) {
+		if (errno == ECONNREFUSED) {
+			close(sd);
+#ifdef INET_SOCKETS
+			if ((sd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
+				PERROR(NOCATGETS("workshop_connect"));
+				return;
+			}
+#else
+			if ((sd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
+				PERROR(NOCATGETS("workshop_connect"));
+				return;
+			}
+#endif
+			if (connect(sd, (struct sockaddr *)&server,
+						sizeof(server))) {
+				PERROR(NOCATGETS("workshop_connect"));
+				return;
+			}
+
+		} else {
+			PERROR(NOCATGETS("workshop_connect"));
+			return;
+		}
+	}
+
+	/* tell notifier we are interested in being called
+	 * when there is input on the editor connection socket
+	 */
+	inputHandler = XtAppAddInput(context, sd, (XtPointer) XtInputReadMask,
+				     messageFromEserve, NULL);
+#ifdef DEBUG
+	if ((file = getenv(NOCATGETS("SPRO_PLUGIN_DEBUG"))) != NULL) {
+		char buf[BUFSIZ];
+
+		unlink(file);
+		sprintf(buf, "date > %s", file);
+		system(buf);
+		dfd = fopen(file, "a");
+	} else {
+		dfd = NULL;
+	}
+#endif
+
+	sprintf(buf, NOCATGETS("connected %s %s %s\n"),
+		workshop_get_editor_name(),
+		PROTOCOL_VERSION,
+		workshop_get_editor_version());
+	write(sd, buf, strlen(buf));
+
+	sprintf(buf, NOCATGETS("ack 1\n"));
+	write(sd, buf, strlen(buf));
+}
+
+void	workshop_disconnect()
+{
+	/* Probably need to send some message here */
+
+	/*
+	 * socket closed on other end
+	 */
+	XtRemoveInput(inputHandler);
+	close(sd);
+	inputHandler = 0;
+	sd = -1;
+
+}
+
+/*
+ * Utility functions
+ */
+
+/* Set icon for the window */
+void
+workshop_set_icon(Display *display, Widget shell, char **xpmdata,
+		  int width, int height)
+{
+	Pixel		bgPixel;
+	XpmAttributes   xpmAttributes;
+	XSetWindowAttributes attr;
+	Window		iconWindow;
+	int		depth;
+	int		screenNum;
+	Pixmap		pixmap;
+
+	/* Create the pixmap/icon window which is shown when you
+	 * iconify the sccs viewer
+	 * This code snipped was adapted from Sun WorkShop's source base,
+	 * setIcon.cc.
+	 */
+	XtVaGetValues(shell, XmNbackground, &bgPixel, NULL);
+	screenNum = XScreenNumberOfScreen(XtScreen(shell));
+	depth = DisplayPlanes(display, screenNum);
+	xpmAttributes.valuemask = XpmColorSymbols;
+	xpmAttributes.numsymbols = 1;
+	xpmAttributes.colorsymbols =
+	    (XpmColorSymbol *)XtMalloc(sizeof (XpmColorSymbol) *
+	    xpmAttributes.numsymbols);
+	xpmAttributes.colorsymbols[0].name = NOCATGETS("BgColor");
+	xpmAttributes.colorsymbols[0].value = NULL;
+	xpmAttributes.colorsymbols[0].pixel = bgPixel;
+	if (XpmCreatePixmapFromData(display,
+	    RootWindow(display, screenNum), xpmdata, &pixmap,
+	    NULL, &xpmAttributes) >= 0) {
+		attr.background_pixmap = pixmap;
+		iconWindow = XCreateWindow(display, RootWindow(display,
+		    screenNum), 0, 0, width, height, 0, depth,
+				(unsigned int)CopyFromParent,
+		    CopyFromParent, CWBackPixmap, &attr);
+
+		XtVaSetValues(shell,
+		    XtNiconWindow, iconWindow, NULL);
+	}
+	XtFree((char *)xpmAttributes.colorsymbols);
+}
+
+/* Minimize and maximize shells. From libutil's shell.cc. */
+
+/* utility functions from libutil's shell.cc */
+static Boolean
+isWindowMapped(Display *display, Window win)
+{
+	XWindowAttributes winAttrs;
+	XGetWindowAttributes(display,
+			     win,
+			     &winAttrs);
+	if (winAttrs.map_state == IsViewable) {
+		return(True);
+	} else {
+		return(False);
+	}
+}
+
+static Boolean
+isMapped(Widget widget)
+{
+	if (widget == NULL) {
+		return(False);
+	}
+
+	if (XtIsRealized(widget) == False) {
+		return(False);
+	}
+
+	return(isWindowMapped(XtDisplay(widget), XtWindow(widget)));
+}
+
+static Boolean
+widgetIsIconified(
+	Widget		 w)
+{
+	Atom		 wm_state;
+	Atom		 act_type;		/* actual Atom type returned */
+	int		 act_fmt;		/* actual format returned */
+	u_long		 nitems_ret;		/* number of items returned */
+	u_long		 bytes_after;		/* number of bytes remaining */
+	u_long		*property;		/* actual property returned */
+
+	/*
+	 * If a window is iconified its WM_STATE is set to IconicState. See
+	 * ICCCM Version 2.0, section 4.1.3.1 for more details.
+	 */
+
+	wm_state = XmInternAtom(XtDisplay(w), NOCATGETS("WM_STATE"), False);
+	if (XtWindow(w) != 0) {			/* only check if window exists! */
+		XGetWindowProperty(XtDisplay(w), XtWindow(w), wm_state, 0L, 2L,
+		    False, AnyPropertyType, &act_type, &act_fmt, &nitems_ret,
+		    &bytes_after, (u_char **) &property);
+		if (nitems_ret == 2 && property[0] == IconicState) {
+			return True;
+		}
+	}
+
+	return False;
+
+}    /* end widgetIsIconified */
+
+void
+workshop_minimize_shell(Widget shell)
+{
+	if (shell != NULL &&
+	    XtIsObject(shell) &&
+	    XtIsRealized(shell) == True) {
+		if (isMapped(shell) == True) {
+			XIconifyWindow(XtDisplay(shell), XtWindow(shell),
+			       XScreenNumberOfScreen(XtScreen(shell)));
+		}
+		XtVaSetValues(shell,
+			      XmNiconic, True,
+			      NULL);
+	}
+}
+
+void workshop_maximize_shell(Widget shell)
+{
+	if (shell != NULL &&
+	    XtIsRealized(shell) == True &&
+	    widgetIsIconified(shell) == True &&
+	    isMapped(shell) == False) {
+		XtMapWidget(shell);
+		/* This used to be
+		     XtPopdown(shell);
+		     XtPopup(shell, XtGrabNone);
+		   However, I found that that would drop any transient
+		   windows that had been iconified with the window.
+		   According to the ICCCM, XtMapWidget should be used
+		   to bring a window from Iconic to Normal state.
+		   However, Rich Mauri did a lot of work on this during
+		   Bart, and found that XtPopDown,XtPopup was required
+		   to fix several bugs involving multiple CDE workspaces.
+		   I've tested it now and things seem to work fine but
+		   I'm leaving this note for history in case this needs
+		   to be revisited.
+		*/
+	}
+}
+
+
+Boolean workshop_get_width_height(int *width, int *height)
+{
+	static int	wid = 0;
+	static int	hgt = 0;
+	static Boolean	firstTime = True;
+	static Boolean	success = False;
+
+	if (firstTime) {
+		char	*settings;
+
+		settings = getenv(NOCATGETS("SPRO_GUI_WIDTH_HEIGHT"));
+		if (settings != NULL) {
+			wid = atoi(settings);
+			settings = strrchr(settings, ':');
+			if (settings++ != NULL) {
+				hgt = atoi(settings);
+			}
+			if (wid > 0 && hgt > 0) {
+				success = True;
+			}
+			firstTime = False;
+		}
+	}
+
+	if (success) {
+		*width = wid;
+		*height = hgt;
+	}
+	return success;
+}
+
+
+Boolean workshop_get_rows_cols(int *rows, int *cols)
+{
+	static int	r = 0;
+	static int	c = 0;
+	static Boolean	firstTime = True;
+	static Boolean	success = False;
+
+	if (firstTime) {
+		char	*settings;
+
+		settings = getenv(NOCATGETS("SPRO_GUI_ROWS_COLS"));
+		if (settings != NULL) {
+			r = atoi(settings);
+			settings = strrchr(settings, ':');
+			if (settings++ != NULL) {
+				c = atoi(settings);
+			}
+			if (r > 0 && c > 0) {
+				success = True;
+			}
+			firstTime = False;
+		}
+	}
+
+	if (success) {
+		*rows = r;
+		*cols = c;
+	}
+	return success;
+}
+
+/*
+ * Toolbar code
+ */
+
+void workshop_sensitivity(int num, char *table)
+{
+	/* build up a verb table */
+	VerbSense *vs;
+	int i;
+	char *s;
+	if ((num < 1) || (num > 500)) {
+		return;
+	}
+
+	vs = (VerbSense *)malloc((num+1)*sizeof(VerbSense));
+
+	/* Point to the individual names (destroys the table string, but
+	 * that's okay -- this is more efficient than duplicating strings) */
+	s = table;
+	for (i = 0; i < num; i++) {
+		while (*s == ' ') {
+			s++;
+		}
+		vs[i].verb = s;
+		while (*s && (*s != ' ') && (*s != '\001')) {
+			s++;
+		}
+		if (*s == 0) {
+			vs[i].verb = NULL;
+			break;
+		}
+		if (*s == '\001') {
+			*s = 0;
+			s++;
+		}
+		*s = 0;
+		s++;
+		while (*s == ' ') {
+			s++;
+		}
+		if (*s == '1') {
+			vs[i].sense = 1;
+		} else {
+			vs[i].sense = 0;
+		}
+		s++;
+	}
+	vs[i].verb = NULL;
+
+	workshop_frame_sensitivities(vs);
+
+	free(vs);
+}
+
+/*
+ * Options code
+ */
+/* Set an editor option.
+ * IGNORE an option if you do not recognize it.
+ */
+void workshop_set_option_first(char *name, char *value)
+{
+	/* Currently value can only be on/off. This may change later (for
+	 * example to set an option like "balloon evaluate delay", but
+	 * for now just convert it into a boolean */
+	Boolean on = !strcmp(value, "on");
+
+	if (!strcmp(name, "workshopkeys")) {
+		workshop_hotkeys(on);
+	} else if (!strcmp(name, "savefiles")) {
+		save_files = on;
+	} else if (!strcmp(name, "balloon")) {
+		workshop_balloon_mode(on);
+	} else if (!strcmp(name, "balloondelay")) {
+		int delay = atoi(value);
+		/* Should I validate the number here?? */
+		workshop_balloon_delay(delay);
+	} else {
+		/* Let editor interpret it */
+		workshop_set_option(name, value);
+	}
+}
+
+
+
+/*
+ * Send information to eserve on certain editor events
+ * You must make sure these are called when necessary
+ */
+
+void workshop_file_closed(char *filename)
+{
+	char buffer[2*MAXPATHLEN];
+	sprintf(buffer, NOCATGETS("deletedFile %s\n"), filename);
+	write(sd, buffer, strlen(buffer));
+}
+
+void workshop_file_closed_lineno(char *filename, int lineno)
+{
+	char buffer[2*MAXPATHLEN];
+	sprintf(buffer, NOCATGETS("deletedFile %s %d\n"), filename, lineno);
+	write(sd, buffer, strlen(buffer));
+}
+
+void workshop_file_opened(char *filename, int readOnly)
+{
+	char buffer[2*MAXPATHLEN];
+	sprintf(buffer, NOCATGETS("loadedFile %s %d\n"), filename, readOnly);
+	write(sd, buffer, strlen(buffer));
+}
+
+
+void workshop_file_saved(char *filename)
+{
+	char buffer[2*MAXPATHLEN];
+	sprintf(buffer, NOCATGETS("savedFile %s\n"), filename);
+	write(sd, buffer, strlen(buffer));
+
+	/* Let editor report any moved marks that the eserve client
+	 * should deal with (for example, moving location-based breakpoints) */
+	workshop_moved_marks(filename);
+}
+
+void workshop_move_mark(char *filename, int markId, int newLineno)
+{
+	char buffer[2*MAXPATHLEN];
+	sprintf(buffer, NOCATGETS("moveMark %s %d %d\n"), filename, markId, newLineno);
+	write(sd, buffer, strlen(buffer));
+}
+
+void workshop_file_modified(char *filename)
+{
+	char buffer[2*MAXPATHLEN];
+	sprintf(buffer, NOCATGETS("modifiedFile %s\n"), filename);
+	write(sd, buffer, strlen(buffer));
+}
+
+void workshop_frame_moved(int new_x, int new_y, int new_w, int new_h)
+{
+	char buffer[200];
+
+	if (sd >= 0)
+	{
+		sprintf(buffer, NOCATGETS("frameAt %d %d %d %d\n"),
+				new_x, new_y, new_w, new_h);
+		write(sd, buffer, strlen(buffer));
+	}
+}
+
+/* A button in the toolbar has been pushed.
+ * Clientdata is a pointer used by the editor code to figure out the
+ * positions for this toolbar (probably by storing a window pointer,
+ * and then fetching the current buffer for that window and looking up
+ * cursor and selection positions etc.) */
+void workshop_perform_verb(char *verb, void *clientData)
+{
+	char *filename;
+	int curLine;
+	int curCol;
+	int selStartLine;
+	int selStartCol;
+	int selEndLine;
+	int selEndCol;
+	int selLength;
+	char *selection;
+
+	char buf[2*MAXPATHLEN];
+/* Later: needsFilePos indicates whether or not we need to fetch all this
+ * info for this verb... for now, however, it looks as if
+ * eserve parsing routines depend on it always being present */
+
+	if (workshop_get_positions(clientData,
+				   &filename,
+				   &curLine,
+				   &curCol,
+				   &selStartLine,
+				   &selStartCol,
+				   &selEndLine,
+				   &selEndCol,
+				   &selLength,
+				   &selection)) {
+		if (selection == NULL) {
+			selection = NOCATGETS("");
+		}
+
+		/* Should I save the files??? This is currently done by checking
+		   if the verb is one of a few recognized ones. Later we can pass
+		   this list from eserve to the editor (it's currently hardcoded in
+		   vi and emacs as well). */
+		if (save_files) {
+			if (!strcmp(verb, "build.build") || !strcmp(verb, "build.build-file") ||
+			    !strcmp(verb, "debug.fix") || !strcmp(verb, "debug.fix-all")) {
+				workshop_save_files();
+			}
+		}
+
+		sprintf(buf, NOCATGETS("toolVerb %s %s %d,%d %d,%d %d,%d %d %s\n"),
+			verb,
+			filename,
+			curLine, curCol,
+			selStartLine, selStartCol,
+			selEndLine, selEndCol,
+			selLength,
+			selection);
+		write(sd, buf, strlen(buf));
+		if (*selection) {
+			free(selection);
+		}
+	}
+}
+
+/* Send a message to eserve */
+void workshop_send_message(char *buf)
+{
+	write(sd, buf, strlen(buf));
+}
+
+/* Some methods, like currentFile, cursorPos, etc. are missing here.
+ * But it looks like these are used for NoHands testing only so we
+ * won't bother requiring editors to implement these
+ */
+
+
+#ifdef DEBUG
+
+void
+pldebug(
+	char		*fmt,	/* a printf style format line */
+	...)
+{
+	va_list		 ap;
+
+	if (dfd != NULL) {
+		va_start(ap, fmt);
+		vfprintf(dfd, fmt, ap);
+		va_end(ap);
+		fflush(dfd);
+	}
+
+}    /* end pldebug */
+
+#endif