[sm130labels] Force starting label, display all.

Now to fix the keyboard command...

src/NoteField.cpp

@@ -862,6 +862,19 @@ void NoteField::DrawPrimitives()
 					DrawComboText( fBeat, tComboSegments[i].m_iCombo );
 			}
 		}
+		
+		// Label text
+		const vector<LabelSegment> &lLabelSegments = GAMESTATE->m_pCurSong->m_Timing.m_LabelSegments;
+		for( unsigned i=0; i<lLabelSegments.size(); i++ )
+		{
+			if( lLabelSegments[i].m_iStartRow >= iFirstRowToDraw &&
+			   lLabelSegments[i].m_iStartRow <= iLastRowToDraw)
+			{
+				float fBeat = NoteRowToBeat(lLabelSegments[i].m_iStartRow);
+				if( IS_ON_SCREEN(fBeat) )
+					DrawLabelText( fBeat, lLabelSegments[i].m_sLabel );
+			}
+		}
 
 		// Course mods text
 		const Course *pCourse = GAMESTATE->m_pCurCourse;

src/Song.cpp

@@ -781,10 +781,7 @@ void Song::TidyUpData()
 	// If no time signature specified, assume 4/4 time for the whole song.
 	if( m_Timing.m_vTimeSignatureSegments.empty() )
 	{
-		TimeSignatureSegment seg;
-		seg.m_iStartRow = 0;
-		seg.m_iNumerator = 4;
-		seg.m_iDenominator = 4;
+		TimeSignatureSegment seg(0, 4, 4);
 		m_Timing.m_vTimeSignatureSegments.push_back( seg );
 	}
 	
@@ -795,9 +792,7 @@ void Song::TidyUpData()
 	 */
 	if( m_Timing.m_TickcountSegments.empty() )
 	{
-		TickcountSegment seg;
-		seg.m_iStartRow = 0;
-		seg.m_iTicks = 2;
+		TickcountSegment seg(0, 2);
 		m_Timing.m_TickcountSegments.push_back( seg );
 	}
 	
@@ -809,6 +804,13 @@ void Song::TidyUpData()
 		seg.m_iCombo = 1;
 		m_Timing.m_ComboSegments.push_back( seg );
 	}
+	
+	// Have a default label segment just in case.
+	if( m_Timing.m_LabelSegments.empty() )
+	{
+		LabelSegment seg(0, "Song Start");
+		m_Timing.m_LabelSegments.push_back( seg );
+	}
 }
 
 void Song::TranslateTitles()