xmlrpc add tx text

* remove dependency on inserting text into Tx panel
    - causes slow response to large block transfers
      such as might be used by flmsg AutoSend process
    - show % of block sent on status bar

src/include/xmlrpc.h

@@ -49,6 +49,7 @@ private:
 extern void xmlrpc_set_qsy(long long rfc);
 extern int  xmltest_char();
 extern bool xmltest_char_available;
+extern void reset_xmlchars();
 extern int number_of_samples(std::string s);
 
 extern bool flmsg_online;

src/misc/xmlrpc.cxx

@@ -1725,10 +1725,29 @@ public:
 static string xmlchars;
 bool xmltest_char_available;
 static size_t pxmlchar = 0;
+static char xml_status_msg[50];
 int xmltest_char()
 {
-	if (pxmlchar >= xmlchars.length() ) return -3;
-	return xmlchars[pxmlchar++] & 0xFF;
+	if (xmlchars.empty() || !xmltest_char_available)
+		return 0;
+	if (pxmlchar >= xmlchars.length() ) {
+		xmlchars.clear();
+		pxmlchar = 0;
+		xmltest_char_available = false;
+		return -3;
+	}
+	pxmlchar++;
+	snprintf(xml_status_msg, sizeof(xml_status_msg), "%d%% sent",
+		100*pxmlchar/xmlchars.length());
+	put_status(xml_status_msg, 1.0);
+	return xmlchars[pxmlchar] & 0xFF;
+}
+
+void reset_xmlchars()
+{
+	xmlchars.clear();
+	pxmlchar = 0;
+	xmltest_char_available = false;
 }
 
 int number_of_samples( string s)
@@ -2944,7 +2963,10 @@ public:
 	void execute(const xmlrpc_c::paramList& params, xmlrpc_c::value* retval)
 	{
 		XMLRPC_LOCK;
-		REQ_SYNC(&FTextTX::add_text, TransmitText, params.getString(0));
+//		REQ_SYNC(&FTextTX::add_text, TransmitText, params.getString(0));
+		xmlchars = params.getString(0);
+		xmltest_char_available = true;
+		pxmlchar = 0;
 		*retval = xmlrpc_c::value_nil();
 	}
 };

src/waterfall/waterfall.cxx

@@ -71,6 +71,7 @@
 #include "flslider2.h"
 #include "debug.h"
 #include "rigsupport.h"
+#include "xmlrpc.h"
 
 using namespace std;
 
@@ -1245,6 +1246,7 @@ void xmtrcv_cb(Fl_Widget *w, void *vi)
 		}
 		else {
 			TransmitText->clear();
+			reset_xmlchars();
 			if (arq_text_available)
 				AbortARQ();
 			if (progStatus.timer)