Conversion of TempoEdit class to QT4. Displays proper doubles now.

1 files changed, 29 insertions, 32 deletions

diff --git a/muse2/muse/widgets/tempolabel.cpp b/muse2/muse/widgets/tempolabel.cpp
index 35f75b09..25a3176a 100644
--- a/muse2/muse/widgets/tempolabel.cpp
+++ b/muse2/muse/widgets/tempolabel.cpp
@@ -5,9 +5,8 @@
 //  (C) Copyright 1999 Werner Schweer (ws@seh.de)
 //=========================================================
 
-#include <qapplication.h>
-#include <qstyle.h>
-#include <qvalidator.h>
+#include <QApplication>
+#include <QStyle>
 //Added by qt3to4:
 #include <QLabel>
 #include "tempolabel.h"
@@ -63,14 +62,13 @@ QSize TempoLabel::sizeHint() const
 //   TempoSpinBox
 //---------------------------------------------------------
 
-TempoEdit::TempoEdit(QWidget* parent, const char* name)
-   : QSpinBox(parent, name)
+TempoEdit::TempoEdit(QWidget* parent)
+   : QDoubleSpinBox(parent)
       {
-      setLineStep(100);
-      setMaxValue(60000);
-      setMinValue(3000);
-      //setValidator(new QDoubleValidator(this)); ddskrjo
-      connect(this, SIGNAL(valueChanged(int)), SLOT(tempoChanged(int)));
+      curVal = -1.0;
+      setSingleStep(1.0);
+      setRange(30.0, 600.0);
+      connect(this, SIGNAL(valueChanged(double)), SLOT(newValue(double)));
       }
 
 //---------------------------------------------------------
@@ -80,47 +78,46 @@ TempoEdit::TempoEdit(QWidget* parent, const char* name)
 QSize TempoEdit::sizeHint() const
       {
       QFontMetrics fm(font());
-      int fw = style()->pixelMetric(QStyle::PM_DefaultFrameWidth,0, this); // ddskrjo
+      int fw = style()->pixelMetric(QStyle::PM_DefaultFrameWidth); 
       int h  = fm.height() + fw * 2;
       int w  = 2 + fm.width(QString("000.00")) +  fw * 4 + 30;
       return QSize(w, h).expandedTo(QApplication::globalStrut());
       }
 
 //---------------------------------------------------------
-//   mapValueToText
+//   tempoChanged
 //---------------------------------------------------------
 
-QString TempoEdit::mapValueToText(int val)
+void TempoEdit::newValue(double val)
       {
-      double v = val / 100.0;
-      return QString("%1").arg(v, 3, 'f', 2);
+      if (val != curVal) {
+      curVal = val;
+          emit tempoChanged(curVal);
+          }
       }
 
 //---------------------------------------------------------
-//   mapTextToValue
+//   setValue
 //---------------------------------------------------------
 
-int TempoEdit::mapTextToValue(bool* ok)
+void TempoEdit::setValue(double val)
       {
-      double v = text().toDouble(ok);
-      return int(v * 100);
+      if (val != curVal) {
+        curVal = val;
+                blockSignals(true);
+        QDoubleSpinBox::setValue(val);
+                blockSignals(false);
+                }
       }
 
-//---------------------------------------------------------
-//   tempoChanged
-//---------------------------------------------------------
-
-void TempoEdit::tempoChanged(int val)
-      {
-      emit valueChanged(double(val)/100.0);
-      }
 
 //---------------------------------------------------------
-//   setValue
+//   tempo
 //---------------------------------------------------------
 
-void TempoEdit::setValue(double val)
-      {
-      QSpinBox::setValue(int(val*100));
-      }
+//int TempoEdit::tempo() const
+//      {
+//        return lrint(60000000.0/value());
+//      }
+