Added print debug code to a number of classes

SendMessage allows for target specification
Included BMessage friend classes to allow building whilst they are absent from BMessage.cpp
More window-related code added


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3004 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/servers/app/server/Utils.cpp

@@ -8,10 +8,15 @@
 	This SendMessage takes ownership of the message sent, so deleting them after this 
 	call is unnecessary. Passing an invalid port will have unpredictable results.
 */
-void SendMessage(port_id port, BMessage *message)
+void SendMessage(port_id port, BMessage *message, int32 target)
 {
 	if(!message)
 		return;
+
+	if(target==-1)
+		_set_message_target_(message,target,true);
+	else
+		_set_message_target_(message,target,false);
 	
 	ssize_t flatsize=message->FlattenedSize();
 	char *buffer=new char[flatsize];
@@ -22,3 +27,34 @@ void SendMessage(port_id port, BMessage *message)
 	delete buffer;
 	delete message;
 }
+
+/*
+	Below are friend functions for BMessage which currently are not in the Message.cpp 
+	that we need to send messages to BLoopers and such. Placed here to allow compilation.
+*/
+void _set_message_target_(BMessage *msg, int32 target, bool preferred)
+{
+	if (preferred)
+	{
+		msg->fTarget = -1;
+		msg->fPreferred = true;
+	}
+	else
+	{
+		msg->fTarget = target;
+		msg->fPreferred = false;
+	}
+}
+
+int32 _get_message_target_(BMessage *msg)
+{
+	if (msg->fPreferred)
+		return -1;
+	else
+		return msg->fTarget;
+}
+
+bool _use_preferred_target_(BMessage *msg)
+{
+	return msg->fPreferred;
+}