--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libgui/graphics/ListBoxControl.cc	Thu Feb 20 14:05:45 2014 -0500
@@ -0,0 +1,185 @@
+/*
+
+Copyright (C) 2011 Michael Goffioul.
+
+This file is part of QtHandles.
+
+Foobar is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+QtHandles is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <QListWidget>
+
+#include "Container.h"
+#include "ListBoxControl.h"
+#include "Utils.h"
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace QtHandles
+{
+
+//////////////////////////////////////////////////////////////////////////////
+
+static void updateSelection (QListWidget* list, const Matrix& value)
+{
+  octave_idx_type n = value.numel ();
+  int lc = list->count ();
+
+  list->clearSelection ();
+
+  for (octave_idx_type i = 0; i < n; i++)
+    {
+      int idx = xround (value(i));
+
+      if (1 <= idx && idx <= lc)
+        {
+          list->item (idx-1)->setSelected (true);
+          if (i == 0
+              && list->selectionMode () == QAbstractItemView::SingleSelection)
+            break;
+        }
+      else
+        {
+          // Invalid selection.
+          list->clearSelection ();
+          break;
+        }
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+ListBoxControl* ListBoxControl::create (const graphics_object& go)
+{
+  Object* parent = Object::parentObject (go);
+
+  if (parent)
+    {
+      Container* container = parent->innerContainer ();
+
+      if (container)
+	return new ListBoxControl (go, new QListWidget (container));
+    }
+
+  return 0;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+ListBoxControl::ListBoxControl (const graphics_object& go, QListWidget* list)
+     : BaseControl (go, list), m_blockCallback (false)
+{
+  uicontrol::properties& up = properties<uicontrol> ();
+
+  list->addItems (Utils::fromStringVector (up.get_string_vector ()));
+  if ((up.get_max () - up.get_min ()) > 1)
+    list->setSelectionMode (QAbstractItemView::ExtendedSelection);
+  else
+    list->setSelectionMode (QAbstractItemView::SingleSelection);
+  Matrix value = up.get_value ().matrix_value ();
+  if (value.numel () > 0)
+    {
+      octave_idx_type n = value.numel ();
+      int lc = list->count ();
+
+      for (octave_idx_type i = 0; i < n; i++)
+	{
+	  int idx = xround (value(i));
+
+	  if (1 <= idx && idx <= lc)
+	    {
+	      list->item (idx-1)->setSelected (true);
+	      if (i == 0
+		  && list->selectionMode () ==
+		  	QAbstractItemView::SingleSelection)
+		break;
+	    }
+	}
+    }
+
+  list->removeEventFilter (this);
+  list->viewport ()->installEventFilter (this);
+
+  connect (list, SIGNAL (itemSelectionChanged (void)),
+	   SLOT (itemSelectionChanged (void)));
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+ListBoxControl::~ListBoxControl (void)
+{
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+void ListBoxControl::update (int pId)
+{
+  uicontrol::properties& up = properties<uicontrol> ();
+  QListWidget* list = qWidget<QListWidget> ();
+
+  switch (pId)
+    {
+    case uicontrol::properties::ID_STRING:
+      m_blockCallback = true;
+      list->clear ();
+      list->addItems (Utils::fromStringVector (up.get_string_vector ()));
+      updateSelection (list, up.get_value ().matrix_value ());
+      m_blockCallback = false;
+      break;
+    case uicontrol::properties::ID_MIN:
+    case uicontrol::properties::ID_MAX:
+      if ((up.get_max () - up.get_min ()) > 1)
+	list->setSelectionMode (QAbstractItemView::ExtendedSelection);
+      else
+	list->setSelectionMode (QAbstractItemView::SingleSelection);
+      break;
+    case uicontrol::properties::ID_VALUE:
+      m_blockCallback = true;
+      updateSelection (list, up.get_value ().matrix_value ());
+      m_blockCallback = false;
+      break;
+    default:
+      BaseControl::update (pId);
+      break;
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+void ListBoxControl::itemSelectionChanged (void)
+{
+  if (! m_blockCallback)
+    {
+      QListWidget* list = qWidget<QListWidget> ();
+
+      QModelIndexList l = list->selectionModel ()->selectedIndexes ();
+      Matrix value (dim_vector (1, l.size ()));
+      int i = 0;
+
+      foreach (const QModelIndex& idx, l)
+       value(i++) = (idx.row () + 1);
+
+      gh_manager::post_set (m_handle, "value", octave_value (value), false);
+      gh_manager::post_callback (m_handle, "callback");
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+}; // namespace QtHandles