=== modified file 'mixxx/src/widget/wtracktableviewheader.cpp'
--- mixxx/src/widget/wtracktableviewheader.cpp	2011-11-27 04:45:50 +0000
+++ mixxx/src/widget/wtracktableviewheader.cpp	2012-01-29 01:52:19 +0000
@@ -57,9 +57,16 @@
 
     // Here we can override values to prevent restoring corrupt values from database
     setMovable(true);
-    setCascadingSectionResizes(true);
     setMinimumSectionSize(WTTVH_MINIMUM_SECTION_SIZE);
 
+    QAction *stretchColumns = new QAction(tr("Fit to window"), &m_menu);
+    stretchColumns->setCheckable(true);
+    if (cascadingSectionResizes())
+        stretchColumns->setChecked(true);
+    connect(stretchColumns, SIGNAL(toggled(bool)), this, SLOT(fitToWindow(bool)));
+    m_menu.addAction(stretchColumns);
+    m_menu.addSeparator();
+
     int columns = model->columnCount();
     for (int i = 0; i < columns; ++i) {
         if (trackModel->isColumnInternal(i)) {
@@ -147,6 +154,15 @@
     return false;
 
 }
+
+void WTrackTableViewHeader::fitToWindow(bool toggle) {
+    if (toggle) {
+        setCascadingSectionResizes(true);
+        resizeSections(QHeaderView::Stretch);
+    } else
+        setCascadingSectionResizes(false);
+}
+
 void WTrackTableViewHeader::clearActions() {
     // The QActions are parented to the menu, so clearing deletes them. Since
     // they are deleted we don't have to disconnect their signals from the

=== modified file 'mixxx/src/widget/wtracktableviewheader.h'
--- mixxx/src/widget/wtracktableviewheader.h	2010-11-16 22:08:45 +0000
+++ mixxx/src/widget/wtracktableviewheader.h	2012-01-29 01:51:23 +0000
@@ -30,6 +30,7 @@
 
   private slots:
     void showOrHideColumn(int);
+    void fitToWindow(bool toggle);
 
   private:
     int hiddenCount();