Export hidden tempo text to MusicXML.

Hidden tempo text is now exported as a <sound tempo="XX"/> element
without a container <direction> element.

This is now in line with the way MuseScore imports <sound> elements,
see: #7171

importexport/musicxml/exportxml.cpp

@@ -3954,17 +3954,22 @@ void ExportMusicXml::tempoText(TempoText const* const text, int staff)
              qPrintable(text->xmlText()));
       */
       _attr.doAttr(_xml, false);
-      _xml.stag(QString("direction placement=\"%1\"").arg((text->placement() ==Placement::BELOW ) ? "below" : "above"));
-      wordsMetrome(_xml, _score, text, offset);
+      if (text->visible()) {
+            _xml.stag(QString("direction placement=\"%1\"").arg((text->placement() ==Placement::BELOW ) ? "below" : "above"));
+            wordsMetrome(_xml, _score, text, offset);
+
+            if (staff)
+                  _xml.tag("staff", staff);
+            }
 
-      if (staff)
-            _xml.tag("staff", staff);
       // Format tempo with maximum 2 decimal places, because in some MuseScore files tempo is stored
       // imprecisely and this could cause rounding errors (e.g. 92 BPM would be saved as 91.9998).
       qreal bpm = text->tempo() * 60.0;
       qreal bpmRounded = round(bpm * 100) / 100;
       _xml.tagE(QString("sound tempo=\"%1\"").arg(QString::number(bpmRounded)));
-      _xml.etag();
+
+      if (text->visible())
+            _xml.etag();
       }
 
 //---------------------------------------------------------

mtest/musicxml/io/testSound1.xml

@@ -1,9 +1,30 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE score-partwise PUBLIC "-//Recordare//DTD MusicXML 2.0 Partwise//EN" "http://www.musicxml.org/dtds/partwise.dtd">
+<!DOCTYPE score-partwise PUBLIC "-//Recordare//DTD MusicXML 3.1 Partwise//EN" "http://www.musicxml.org/dtds/partwise.dtd">
 <score-partwise version="3.1">
+  <identification>
+    <encoding>
+      <software>MuseScore 0.7.0</software>
+      <encoding-date>2007-09-10</encoding-date>
+      <supports element="accidental" type="yes"/>
+      <supports element="beam" type="yes"/>
+      <supports element="print" attribute="new-page" type="no"/>
+      <supports element="print" attribute="new-system" type="no"/>
+      <supports element="stem" type="yes"/>
+      </encoding>
+    </identification>
   <part-list>
     <score-part id="P1">
       <part-name>Music</part-name>
+      <score-instrument id="P1-I1">
+        <instrument-name></instrument-name>
+        </score-instrument>
+      <midi-device id="P1-I1" port="1"></midi-device>
+      <midi-instrument id="P1-I1">
+        <midi-channel>1</midi-channel>
+        <midi-program>1</midi-program>
+        <volume>78.7402</volume>
+        <pan>0</pan>
+        </midi-instrument>
       </score-part>
     </part-list>
   <part id="P1">
@@ -12,7 +33,6 @@
         <divisions>1</divisions>
         <key>
           <fifths>0</fifths>
-          <mode>major</mode>
           </key>
         <time>
           <beats>4</beats>
@@ -23,38 +43,46 @@
           <line>2</line>
           </clef>
         </attributes>
-        <sound tempo="60"/>
+      <sound tempo="60"/>
       <note>
         <pitch>
           <step>C</step>
           <octave>4</octave>
           </pitch>
         <duration>1</duration>
+        <voice>1</voice>
         <type>quarter</type>
+        <stem>up</stem>
         </note>
       <note>
         <pitch>
           <step>D</step>
           <octave>4</octave>
           </pitch>
         <duration>1</duration>
+        <voice>1</voice>
         <type>quarter</type>
+        <stem>up</stem>
         </note>
       <note>
         <pitch>
           <step>E</step>
           <octave>4</octave>
           </pitch>
         <duration>1</duration>
+        <voice>1</voice>
         <type>quarter</type>
+        <stem>up</stem>
         </note>
       <note>
         <pitch>
           <step>F</step>
           <octave>4</octave>
           </pitch>
         <duration>1</duration>
+        <voice>1</voice>
         <type>quarter</type>
+        <stem>up</stem>
         </note>
       </measure>
     <measure number="2">
@@ -64,31 +92,39 @@
           <octave>4</octave>
           </pitch>
         <duration>1</duration>
+        <voice>1</voice>
         <type>quarter</type>
+        <stem>up</stem>
         </note>
       <note>
         <pitch>
           <step>F</step>
           <octave>4</octave>
           </pitch>
         <duration>1</duration>
+        <voice>1</voice>
         <type>quarter</type>
+        <stem>up</stem>
         </note>
       <note>
         <pitch>
           <step>E</step>
           <octave>4</octave>
           </pitch>
         <duration>1</duration>
+        <voice>1</voice>
         <type>quarter</type>
+        <stem>up</stem>
         </note>
       <note>
         <pitch>
           <step>D</step>
           <octave>4</octave>
           </pitch>
         <duration>1</duration>
+        <voice>1</voice>
         <type>quarter</type>
+        <stem>up</stem>
         </note>
       </measure>
     <measure number="3">

mtest/musicxml/io/testSound2_ref.xml

@@ -43,15 +43,7 @@
           <line>2</line>
           </clef>
         </attributes>
-      <direction placement="above">
-        <direction-type>
-          <metronome parentheses="no">
-            <beat-unit>quarter</beat-unit>
-            <per-minute>60</per-minute>
-            </metronome>
-          </direction-type>
-        <sound tempo="60"/>
-        </direction>
+      <sound tempo="60"/>
       <note>
         <pitch>
           <step>C</step>