use delegate to draw text

git-svn-id: https://dng.biozentrum.unibas.ch/svn/openstructure/trunk@2159 5a81b35b-ba03-0410-adc8-b2c5c5119f08

modules/gui/src/sequence/sequence_delegate.cc

+//------------------------------------------------------------------------------
+// This file is part of the OpenStructure project <www.openstructure.org>
+//
+// Copyright (C) 2008-2010 by the OpenStructure authors
+//
+// 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 3.0 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.,
+// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+//------------------------------------------------------------------------------
+
+/*
+  Author: Stefan Scheuber
+ */
+
+
+#include <QtGui>
+#include <iostream>
+#include "sequence_delegate.hh"
+
+namespace ost { namespace gui {
+
+SequenceDelegate::SequenceDelegate(SequenceTableView* view, QObject *parent)
+    : QItemDelegate(parent), view_(view)
+{
+
+}
+
+/*
+QWidget *SequenceDelegate::createEditor(QWidget *parent,  const QStyleOptionViewItem &, const QModelIndex &) const
+{
+  QSpinBox *editor = new QSpinBox(parent);
+  editor->setMinimum(0);
+  editor->setMaximum(100);
+
+  return editor;
+}
+*/
+
+void SequenceDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
+                         const QModelIndex &index) const
+{
+  painter->save();
+
+  painter->setPen(QPen(Qt::NoPen));
+  if(option.state & QStyle::State_Selected){
+    painter->setBrush(option.palette.highlight());
+  }
+  else{
+    painter->setBrush(QBrush(Qt::white));
+  }
+  painter->drawRect(option.rect);
+
+  painter->setPen(QPen(Qt::lightGray));
+  if(index.column()%2){
+    painter->drawLine(option.rect.topLeft(),option.rect.bottomRight());
+  }
+  else{
+    painter->drawLine(option.rect.bottomLeft(),option.rect.topRight());
+  }
+  painter->setPen(QPen(Qt::black));
+  QVariant value = index.data(Qt::DisplayRole);
+  if (value.isValid()){
+      QString text = value.toString();
+      painter->setFont(QFont("Courier",10));
+      painter->drawText(option.rect, Qt::AlignLeft|Qt::AlignVCenter, text);
+  }
+  painter->restore();
+}
+}}

modules/gui/src/sequence/sequence_delegate.hh

+//------------------------------------------------------------------------------
+// This file is part of the OpenStructure project <www.openstructure.org>
+//
+// Copyright (C) 2008-2010 by the OpenStructure authors
+//
+// 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 3.0 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.,
+// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+//------------------------------------------------------------------------------
+#ifndef OST_SEQUENCE_VIEWER_SEQUENCE_DELEGATE
+#define OST_SEQUENCE_VIEWER_SEQUENCE_DELEGATE
+
+/*
+  Author: Stefan Scheuber
+ */
+
+#include <QItemDelegate>
+#include <QModelIndex>
+#include <QObject>
+#include <QSize>
+#include <QSpinBox>
+
+#include "sequence_table_view.hh"
+
+namespace ost { namespace gui {
+
+class SequenceDelegate : public QItemDelegate
+{
+  Q_OBJECT
+
+public:
+  SequenceDelegate(SequenceTableView* view, QObject *parent = 0);
+
+ /*   QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option,
+                          const QModelIndex &index) const;*/
+
+  void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
+
+private:
+  SequenceTableView* view_;
+};
+
+
+}}
+
+#endif

modules/gui/src/sequence/sequence_viewer.cc

@@ -68,6 +68,8 @@ SequenceViewerV2::SequenceViewerV2(QWidget* parent): Widget(NULL,parent)
     );
   seq_table_view_->horizontalHeader()->setMinimumSectionSize(8);
   seq_table_view_->horizontalHeader()->setDefaultSectionSize(10);
+  seq_table_view_->verticalHeader()->setMinimumSectionSize(8);
+  seq_table_view_->verticalHeader()->setDefaultSectionSize(10);
 }
 
 void SequenceViewerV2::NodeAdded(const gfx::GfxNodeP& n)
@@ -98,6 +100,7 @@ void SequenceViewerV2::NodeAdded(const gfx::GfxNodeP& n)
       seq.AttachView(v_one_chain);
       QStandardItem* item = new QStandardItem(name.c_str());
       QStandardItemModel* model = qobject_cast<QStandardItemModel*>(seq_table_view_->model());
+      SequenceDelegate* del = new SequenceDelegate(seq_table_view_,this);
       if(model){
         int row = model->rowCount();
         model->setHeaderData(0, Qt::Horizontal, QObject::tr("") );
@@ -108,13 +111,15 @@ void SequenceViewerV2::NodeAdded(const gfx::GfxNodeP& n)
           item->setTextAlignment(Qt::AlignLeft|Qt::AlignVCenter);
           item->setFont(QFont("Courier",10));
           QFontMetrics m = QFontMetrics(QFont("Courier",10));
-          item->setSizeHint(QSize(m.width(QString(seq.GetOneLetterCode(i)))+6,item->sizeHint().height()));
+          item->setSizeHint(QSize(m.width(QString(seq.GetOneLetterCode(i)))+2,m.height()+2));
           model->setItem(row, i+1, item);
           model->setHeaderData(i+1, Qt::Horizontal, QObject::tr("") );
+          seq_table_view_->setItemDelegateForColumn(i+1,del);
         }
       }
     }
     seq_table_view_->resizeColumnsToContents();
+    seq_table_view_->resizeRowsToContents();
   }
 }