--- a/edwaveform.h	Thu Dec 20 01:44:01 2012 +0200
+++ b/edwaveform.h	Sat Dec 22 16:56:30 2012 +0200
@@ -35,8 +35,11 @@
 public slots:
     void setTime(const float mtime);
     void setOffset(const float moffs);
+    void setSelection(const float mstart, const float mend);
+    void clearSelection();
 
 signals:
+    void selectionChanged(float mstart, float mduration);
     void timeChanged(float value);
     void offsetChanged(float value);
 
@@ -48,15 +51,16 @@
     void paintEvent(QPaintEvent *event);
 
 private:
-    bool dragging;
-    QPoint dragPoint;
-    float dragOffs; // milliseconds
-
-    float scale;
-    float time, offs, duration; // in milliseconds
-
+    float scale, time, offs, duration; // in milliseconds
     int size, channels, format, freq, sduration;
     void *data;
+
+    bool selectionValid;
+    float selectionStart, selectionDuration;
+
+    QPoint selectionPoint, dragPoint;
+    bool selecting, dragging;
+    float selectionOffs, dragOffs;
 };