kdgantt2/kdganttitemdelegate.h

   1 /****************************************************************************
   2  ** Copyright (C) 2001-2006 Klarälvdalens Datakonsult AB.  All rights reserved.
   3  **
   4  ** This file is part of the KD Gantt library.
   5  **
   6  ** This file may be distributed and/or modified under the terms of the
   7  ** GNU General Public License version 2 as published by the Free Software
   8  ** Foundation and appearing in the file LICENSE.GPL included in the
   9  ** packaging of this file.
  10  **
  11  ** Licensees holding valid commercial KD Gantt licenses may use this file in
  12  ** accordance with the KD Gantt Commercial License Agreement provided with
  13  ** the Software.
  14  **
  15  ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
  16  ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  17  **
  18  ** See http://www.kdab.net/kdgantt for
  19  **   information about KD Gantt Commercial License Agreements.
  20  **
  21  ** Contact info@kdab.net if any conditions of this
  22  ** licensing are not clear to you.
  23  **
  24  **********************************************************************/
  25 #ifndef KDGANTTITEMDELEGATE_H
  26 #define KDGANTTITEMDELEGATE_H
  27
  28 #include <QItemDelegate>
  29 #include <QBrush>
  30 #include <QPen>
  31 #include <QDebug>
  32
  33 #include "kdgantt_export.h"
  34 #include "kdganttglobal.h"
  35
  36 namespace KDGantt {
  37     class StyleOptionGanttItem;
  38
  39     class KDGANTT_EXPORT ItemDelegate : public QItemDelegate {
  40         Q_OBJECT
  41         KDGANTT_DECLARE_PRIVATE_BASE_POLYMORPHIC( ItemDelegate )
  42     public:
  43         enum InteractionState { State_None = 0,
  44                                 State_Move,
  45                                 State_ExtendLeft,
  46                                 State_ExtendRight,
  47                                 State_DragConstraint
  48         };
  49
  50         explicit ItemDelegate( QObject* parent = 0 );
  51         virtual ~ItemDelegate();
  52
  53         void setDefaultBrush( ItemType type, const QBrush& brush );
  54         QBrush defaultBrush( ItemType type ) const;
  55
  56         void setDefaultPen( ItemType type, const QPen& pen );
  57         QPen defaultPen( ItemType type ) const;
  58
  59         virtual Span itemBoundingSpan(const StyleOptionGanttItem& opt, const QModelIndex& idx) const;
  60         virtual QRectF constraintBoundingRect( const QPointF& start, const QPointF& end ) const;
  61         virtual InteractionState interactionStateFor( const QPointF& pos,
  62                                                       const StyleOptionGanttItem& opt,
  63                                                       const QModelIndex& idx ) const;
  64
  65         virtual void paintGanttItem( QPainter* p, const StyleOptionGanttItem& opt, const QModelIndex& idx );
  66         virtual void paintConstraintItem( QPainter* p, const QStyleOptionGraphicsItem& opt,
  67                                           const QPointF& start, const QPointF& end, const QPen& pen );
  68     };
  69 }
  70
  71 #ifndef QT_NO_DEBUG_STREAM
  72 QDebug operator<<( QDebug dbg, KDGantt::ItemDelegate::InteractionState );
  73 #endif
  74
  75 #endif /* KDGANTTITEMDELEGATE_H */
  76