#17784 [EDF] MESH-GEMS-2.9.6 Meshers options

[plugins/hexoticplugin.git] / src / GUI / HexoticPluginGUI_TreeWidget.cxx

diff --git a/src/GUI/HexoticPluginGUI_TreeWidget.cxx b/src/GUI/HexoticPluginGUI_TreeWidget.cxx
new file mode 100644 (file)
index 0000000..6037291
--- /dev/null
+++ b/src/GUI/HexoticPluginGUI_TreeWidget.cxx
@@ -0,0 +1,91 @@
+// Copyright (C) 2007-2019  CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library 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
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+#include "HexoticPluginGUI_TreeWidget.h"
+#include <QKeyEvent>
+
+namespace
+{
+  bool isEditable( const QModelIndex& index )
+  {
+    return index.isValid() &&
+      index.flags() & Qt::ItemIsEditable && 
+      index.flags() & Qt::ItemIsEnabled &&
+      ( !index.data( Qt::UserRole + 1 ).isValid() || index.data( Qt::UserRole + 1 ).toInt() != 0 );
+  }
+}
+
+HexoticPluginGUI_TreeWidget::HexoticPluginGUI_TreeWidget( QWidget* parent )
+  : QTreeWidget( parent )
+{
+}
+
+QModelIndex HexoticPluginGUI_TreeWidget::moveCursor( CursorAction action, Qt::KeyboardModifiers modifiers )
+{
+  QModelIndex current = currentIndex();
+  int column = current.column();
+  if ( action == MoveNext ) {
+    if ( column < columnCount()-1 ) {
+      QModelIndex next = current.sibling( current.row(), column+1 );
+      if ( isEditable( next ) )
+        return next;
+    }
+    else {
+      QModelIndex next = current.sibling( current.row()+1, 0 );
+      if ( isEditable( next ) )
+        return next;
+    }
+  }
+  else if ( action == MovePrevious ) {
+    if ( column == 0 ) {
+      QModelIndex next = current.sibling( current.row()-1, columnCount()-1 );
+      if ( isEditable( next ) )
+        return next;
+    }
+    else {
+      QModelIndex next = current.sibling( current.row(), column-1 );
+      if ( isEditable( next ) )
+        return next;
+    }
+  }
+  return QTreeWidget::moveCursor( action, modifiers );
+}
+
+void HexoticPluginGUI_TreeWidget::keyPressEvent( QKeyEvent* e )
+{
+  switch ( e->key() ) {
+  case Qt::Key_F2:
+    {
+      QModelIndex index = currentIndex();
+      if ( !isEditable( index ) ) {
+        for ( int i = 0; i < columnCount(); i++ ) {
+          QModelIndex sibling = index.sibling( index.row(), i );
+          if ( isEditable( sibling ) ) {
+            if ( !edit( sibling, EditKeyPressed, e ) )
+              e->ignore();
+          }
+        }
+      }
+    }
+    break;
+  default:
+    break;
+  }
+  QTreeWidget::keyPressEvent( e );
+}