debugger: respect the "Always adjust column width" settings

Task-number: QTCREATORBUG-6527
Change-Id: I53e68dbf75d3a025d760d948a31c49f9cdf93919
Reviewed-by: Robert Löhning <robert.loehning@nokia.com>
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/debugger/basewindow.cpp

@@ -94,6 +94,8 @@ bool BaseWindow::handleBaseContextAction(QAction *act)
         return true;
     }
     if (act == m_alwaysAdjustColumnsAction) {
+        if (act->isChecked())
+            resizeColumnsToContents();
         // Action triggered automatically.
         return true;
     }
@@ -121,5 +123,13 @@ void BaseWindow::setAlwaysResizeColumnsToContents(bool on)
     header()->setResizeMode(0, mode);
 }
 
+void BaseWindow::reset()
+{
+    QTreeView::reset();
+    if (header() && m_alwaysAdjustColumnsAction
+            && m_alwaysAdjustColumnsAction->isChecked())
+        resizeColumnsToContents();
+}
+
 } // namespace Internal
 } // namespace Debugger

src/plugins/debugger/basewindow.h

@@ -59,6 +59,7 @@ public slots:
 private slots:
     void setAlternatingRowColorsHelper(bool on) { setAlternatingRowColors(on); }
     void rowActivatedHelper(const QModelIndex &index) { rowActivated(index); }
+    void reset();
 
 private:
     QAction *m_alwaysAdjustColumnsAction;