3 files changed, 34 insertions, 2 deletions
diff --git a/muse2/awl/sigedit.cpp b/muse2/awl/sigedit.cpp
index 0cad9057..ecfa4551 100644
--- a/muse2/awl/sigedit.cpp
+++ b/muse2/awl/sigedit.cpp
@@ -46,7 +46,8 @@ SigEdit::SigEdit(QWidget* parent)
       zSpin = new SigSpinBox(this);
       nSpin = new SigSpinBox(this);
       zSpin->setRange(1,100);
-      nSpin->setRange(1,100);
+      nSpin->setDenominator();
+      nSpin->setRange(1,128);
       layout = new QHBoxLayout(this);
       layout->setContentsMargins(0,0,0,0);
       layout->setSpacing(1);
diff --git a/muse2/awl/sigspinbox.cpp b/muse2/awl/sigspinbox.cpp
index 3f1bf1f4..5ee98bc9 100644
--- a/muse2/awl/sigspinbox.cpp
+++ b/muse2/awl/sigspinbox.cpp
@@ -1,10 +1,12 @@
 #include "sigspinbox.h"
+#include "al/sig.h"
 #include <QKeyEvent>
 #include <stdio.h>
 
 SigSpinBox::SigSpinBox(QWidget *parent) :
     QSpinBox(parent)
 {
+  _denominator=false;
 }
 void SigSpinBox::keyPressEvent(QKeyEvent*ev)
 {
@@ -17,8 +19,36 @@ void SigSpinBox::keyPressEvent(QKeyEvent*ev)
       case Qt::Key_Slash:
         emit moveFocus();
         break;
+      case Qt::Key_Up:
+        if (_denominator) {
+          // make sure that sig is valid then increase
+          AL::TimeSignature sig(4,value());
+          if (sig.isValid())
+            setValue(value()*2);
+          return;
+          }
+          break;
+    case Qt::Key_Down:
+      if (_denominator) {
+        // make sure that sig is valid then increase
+        AL::TimeSignature sig(4,value());
+        if (sig.isValid()) {
+          int v = value()/2;
+          if (v<2)
+            v=2;
+          setValue(v);
+          return;
+        }
+        return;
+        }
+        break;
       default:
         break;
     }
     QSpinBox::keyPressEvent(ev);
 }
+
+void SigSpinBox::setDenominator()
+{
+  _denominator=true;
+}
diff --git a/muse2/awl/sigspinbox.h b/muse2/awl/sigspinbox.h
index ca893a24..2465bdf2 100644
--- a/muse2/awl/sigspinbox.h
+++ b/muse2/awl/sigspinbox.h
@@ -6,11 +6,12 @@
 class SigSpinBox : public QSpinBox
 {
     Q_OBJECT
-
+    bool _denominator;
 protected:
     virtual void keyPressEvent(QKeyEvent*);
 public:
     explicit SigSpinBox(QWidget *parent = 0);
+    void setDenominator();
 
 signals:
     void returnPressed();