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-rw-r--r--x11/Makefile.am29
-rw-r--r--x11/X11GlobalComm.mcopclass3
-rw-r--r--x11/x11globalcomm.idl30
-rw-r--r--x11/x11globalcomm_impl.cc184
4 files changed, 246 insertions, 0 deletions
diff --git a/x11/Makefile.am b/x11/Makefile.am
new file mode 100644
index 0000000..3a86768
--- /dev/null
+++ b/x11/Makefile.am
@@ -0,0 +1,29 @@
+if include_x11
+
+INCLUDES = -I$(top_srcdir)/mcop -I$(top_builddir)/mcop $(all_includes)
+
+lib_LTLIBRARIES = libx11globalcomm.la
+
+libx11globalcomm_la_SOURCES = x11globalcomm.cc x11globalcomm_impl.cc
+libx11globalcomm_la_LIBADD = $(top_builddir)/mcop/libmcop.la $(LIB_X11)
+libx11globalcomm_la_LDFLAGS = -no-undefined -module -version-info 1:0 $(X_LDFLAGS) $(all_libraries)
+
+DISTCLEANFILES = x11globalcomm.cc x11globalcomm.h \
+ x11globalcomm.mcoptype x11globalcomm.mcopclass
+
+x11globalcomm.cc x11globalcomm.h: $(srcdir)/x11globalcomm.idl $(MCOPIDL)
+ $(MCOPIDL) -t $(INCLUDES) $(srcdir)/x11globalcomm.idl
+
+x11globalcomm_impl.lo: x11globalcomm.h
+x11globalcomm.mcoptype: x11globalcomm.h
+x11globalcomm.mcopclass: x11globalcomm.h
+
+mcopclassdir = $(libdir)/mcop/Arts
+mcopclass_DATA = X11GlobalComm.mcopclass
+
+######## install idl typeinfo files
+
+mcoptypedir = $(libdir)/mcop
+mcoptype_DATA = x11globalcomm.mcoptype x11globalcomm.mcopclass
+
+endif
diff --git a/x11/X11GlobalComm.mcopclass b/x11/X11GlobalComm.mcopclass
new file mode 100644
index 0000000..501a080
--- /dev/null
+++ b/x11/X11GlobalComm.mcopclass
@@ -0,0 +1,3 @@
+Language=C++
+Library=libx11globalcomm.la
+Interface=Arts::Object,Arts::GlobalComm,Arts::X11GlobalComm
diff --git a/x11/x11globalcomm.idl b/x11/x11globalcomm.idl
new file mode 100644
index 0000000..c799497
--- /dev/null
+++ b/x11/x11globalcomm.idl
@@ -0,0 +1,30 @@
+/*
+ Copyright (C) 1999 Stefan Westerfeld
+ stefan@space.twc.de
+
+ This program 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.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <core.idl>
+
+module Arts {
+
+/**
+ * global communication based on an X11 server property on the root window
+ */
+interface X11GlobalComm : GlobalComm {
+};
+
+};
diff --git a/x11/x11globalcomm_impl.cc b/x11/x11globalcomm_impl.cc
new file mode 100644
index 0000000..66d6c5f
--- /dev/null
+++ b/x11/x11globalcomm_impl.cc
@@ -0,0 +1,184 @@
+/*
+ Copyright (C) 1997 Mark Donohoe (donohoe@kde.org)
+ Copyright (C) 2000 Stefan Westerfeld (stefan@space.twc.de)
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+/*
+ * This is based on Mark Donohoe's nice KRootProp class (found in
+ * kdelibs/kdecore/krootprop.cpp). I couldn't use KRootProp directly, since
+ * I wanted aRts (and even it's X11 support) to work without KDE and/or Qt
+ * installed at all.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+#include "x11globalcomm.h"
+#include "debug.h"
+#include <iostream>
+
+using namespace std;
+using namespace Arts;
+
+class X11GlobalComm_impl : virtual public X11GlobalComm_skel {
+protected:
+ Display *X11display;
+ Window rootWin;
+ Atom atom;
+ map<string,string> propertyMap;
+ bool init;
+
+ void warn(const char *what)
+ {
+ arts_warning("X11GlobalComm: %s", what);
+ }
+public:
+ X11GlobalComm_impl() :rootWin(0), atom(0)
+ {
+ X11display = XOpenDisplay(NULL);
+ if(!X11display)
+ {
+ warn("Can't connect to the XServer - Initial references won't work.");
+ init = false;
+ }
+ else
+ {
+ rootWin = DefaultRootWindow(X11display);
+ atom = XInternAtom( X11display, "MCOPGLOBALS" , False);
+ init = true;
+ }
+ }
+
+ ~X11GlobalComm_impl()
+ {
+ if(X11display)
+ XCloseDisplay(X11display);
+ }
+
+ void read()
+ {
+ if(!init) return;
+
+ Atom type;
+ int format;
+ unsigned long nitems;
+ unsigned long bytes_after;
+ long offset;
+ unsigned char *buf;
+
+ propertyMap.clear();
+
+ // If a property has already been opened write
+ // the dictionary back to the root window
+
+ string s;
+ offset = 0; bytes_after = 1;
+ while (bytes_after != 0)
+ {
+ XGetWindowProperty( X11display, rootWin, atom, offset, 256,
+ False, XA_STRING, &type, &format, &nitems, &bytes_after,
+ &buf);
+
+ if(type == None) // no property -> no contents
+ return;
+
+ s += (char*) buf;
+ offset += nitems/4;
+ if (buf)
+ XFree((char*) buf);
+ }
+
+ // Parse through the property string stripping out key value pairs
+ // and putting them in the dictionary
+
+ while(s.length() >0 )
+ {
+ // parse the string for first key-value pair separator '\n'
+ int i = s.find("\n",0);
+
+ // extract the key-values pair and remove from string
+
+ string keypair = s.substr(0,i);
+ s = s.substr(i+1,s.size()-(i+1));
+
+ // split key and value and add to dictionary
+
+ i = keypair.find( "=" );
+ if( i != -1 )
+ {
+ string key = keypair.substr( 0, i );
+ string value = keypair.substr( i+1, keypair.size()-(i+1) );
+ propertyMap[key] = value;
+ }
+ }
+ }
+
+ void write()
+ {
+ if(!init) return;
+
+ // bring map in the variable=value form with \n as seperator
+ string propString;
+
+ map<string,string>::iterator i = propertyMap.begin();
+ for(i = propertyMap.begin(); i != propertyMap.end(); i++)
+ propString += i->first + "=" + i->second + "\n";
+
+ // send to the X11 server
+ XChangeProperty( X11display, rootWin, atom,
+ XA_STRING, 8, PropModeReplace,
+ (const unsigned char *)propString.c_str(),
+ propString.size()+1);
+ XFlush(X11display);
+ }
+
+ bool put(const string& variable, const string& value)
+ {
+ if(!init) return false;
+
+ read();
+ if(propertyMap[variable].empty())
+ {
+ propertyMap[variable] = value;
+ write();
+ return true;
+ }
+ return false;
+ }
+
+ string get(const string& variable)
+ {
+ if(!init) return "";
+
+ read();
+ return propertyMap[variable];
+ }
+
+ void erase(const string& variable)
+ {
+ if(!init) return;
+
+ read();
+ propertyMap.erase(variable);
+ write();
+ }
+};
+
+REGISTER_IMPLEMENTATION(X11GlobalComm_impl);
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