1 files changed, 57 insertions, 0 deletions
diff --git a/muse2/awl/sigspinbox.cpp b/muse2/awl/sigspinbox.cpp
new file mode 100644
index 00000000..6e38b164
--- /dev/null
+++ b/muse2/awl/sigspinbox.cpp
@@ -0,0 +1,57 @@
+#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)
+{
+    switch (ev->key()) {
+      case Qt::Key_Return:
+        emit returnPressed();
+        return;
+        break;
+      case Qt::Key_Left:
+      case Qt::Key_Right:
+      case Qt::Key_Slash:
+        emit moveFocus();
+        return;
+        break;
+      default:
+        break;
+    }
+    QSpinBox::keyPressEvent(ev);
+}
+
+void SigSpinBox::setDenominator()
+{
+  _denominator=true;
+}
+
+void SigSpinBox::stepBy(int step)
+{
+  if (!_denominator) {
+    setValue(value() + step);
+    return;
+  }
+
+  AL::TimeSignature sig(4, value());
+  if (step == 1) {
+    // make sure that sig is valid then increase
+    if (sig.isValid())
+      setValue(value() * 2);
+  }
+  else if (step == -1) {
+    // make sure that sig is valid then increase
+    if (sig.isValid()) {
+      int v = value() / 2;
+      if (v < 2)
+        v = 2;
+      setValue(v);
+    }
+  }
+}