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/*******************************************************************************
* *
* server_common.c -- Nirvana Editor common server stuff *
* *
* Copyright (C) 1999 Mark Edel *
* *
* This is free software; you can redistribute it and/or modify it under the *
* terms of the GNU General Public License as published by the Free Software *
* Foundation; either version 2 of the License, or (at your option) any later *
* version. In addition, you may distribute version of this program linked to *
* Motif or Open Motif. See README for details. *
* *
* This software is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU General Public License along with *
* software; if not, write to the Free Software Foundation, Inc., 59 Temple *
* Place, Suite 330, Boston, MA 02111-1307 USA *
* *
* Nirvana Text Editor *
* November, 1995 *
* *
* Written by Mark Edel *
* *
*******************************************************************************/
#include <stdio.h>
#include <Xm/Xm.h>
#include <sys/types.h>
#ifdef VMS
#include "../util/VMSparam.h"
#else
#ifndef __MVS__
#include <sys/param.h>
#endif
#endif /*VMS*/
#include "textBuf.h"
#include "nedit.h"
#include "server_common.h"
#include "../util/utils.h"
/*
* Create the server property atoms for the server with serverName.
* Atom names are generated as follows:
*
* NEDIT_SERVER_EXISTS_<host_name>_<user>_<server_name>
* NEDIT_SERVER_REQUEST_<host_name>_<user>_<server_name>
*
* <server_name> is the name that can be set by the user to allow
* for multiple servers to run on the same display. <server_name>
* defaults to "" if not supplied by the user.
*
* <user> is the user name of the current user.
*/
void CreateServerPropertyAtoms(const char *serverName,
Atom *serverExistsAtomReturn,
Atom *serverRequestAtomReturn)
{
char propName[20+1+MAXNODENAMELEN+1+MAXUSERNAMELEN+1+MAXSERVERNAMELEN];
const char *userName = GetUserName();
const char *hostName = GetNameOfHost();
sprintf(propName, "NEDIT_SERVER_EXISTS_%s_%s_%s", hostName, userName, serverName);
*serverExistsAtomReturn = XInternAtom(TheDisplay, propName, False);
sprintf(propName, "NEDIT_SERVER_REQUEST_%s_%s_%s", hostName, userName, serverName);
*serverRequestAtomReturn = XInternAtom(TheDisplay, propName, False);
}
/*
* Create the individual property atoms for each file being
* opened by the server with serverName. This atom is used
* by nc to monitor if the file has been closed.
*
* Atom names are generated as follows:
*
* NEDIT_FILE_<host_name>_<user>_<server_name>_<path>
*
* <server_name> is the name that can be set by the user to allow
* for multiple servers to run on the same display. <server_name>
* defaults to "" if not supplied by the user.
*
* <user> is the user name of the current user.
*
* <path> is the path of the file being edited.
*/
Atom CreateServerFileOpenAtom(const char *serverName,
const char *path)
{
char propName[10+1+MAXNODENAMELEN+1+MAXUSERNAMELEN+1+MAXSERVERNAMELEN+1+MAXPATHLEN+1+7];
const char *userName = GetUserName();
const char *hostName = GetNameOfHost();
Atom atom;
sprintf(propName, "NEDIT_FILE_%s_%s_%s_%s_WF_OPEN", hostName, userName, serverName, path);
atom = XInternAtom(TheDisplay, propName, False);
return(atom);
}
Atom CreateServerFileClosedAtom(const char *serverName,
const char *path,
Bool only_if_exist)
{
char propName[10+1+MAXNODENAMELEN+1+MAXUSERNAMELEN+1+MAXSERVERNAMELEN+1+MAXPATHLEN+1+9];
const char *userName = GetUserName();
const char *hostName = GetNameOfHost();
Atom atom;
sprintf(propName, "NEDIT_FILE_%s_%s_%s_%s_WF_CLOSED", hostName, userName, serverName, path);
atom = XInternAtom(TheDisplay, propName, only_if_exist);
return(atom);
}
/*
* Delete all File atoms that belong to this server (as specified by
* <host_name>_<user>_<server_name>).
*/
void DeleteServerFileAtoms(const char* serverName, Window rootWindow)
{
char propNamePrefix[10+1+MAXNODENAMELEN+1+MAXUSERNAMELEN+1+MAXSERVERNAMELEN+1];
const char *userName = GetUserName();
const char *hostName = GetNameOfHost();
int length = sprintf(propNamePrefix, "NEDIT_FILE_%s_%s_%s_", hostName, userName, serverName);
int nProperties;
Atom* atoms = XListProperties(TheDisplay, rootWindow, &nProperties);
if (atoms != NULL) {
int i;
for (i = 0; i < nProperties; i++) {
/* XGetAtomNames() is more efficient, but doesn't exist in X11R5. */
char *name = XGetAtomName(TheDisplay, atoms[i]);
if (name != NULL && strncmp(propNamePrefix, name, length) == 0) {
XDeleteProperty(TheDisplay, rootWindow, atoms[i]);
}
XFree(name);
}
XFree((char*)atoms);
}
}
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