kdgantt2/kdganttgraphicsview_p.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 KDGANTTGRAPHICSVIEW_P_H
  26 #define KDGANTTGRAPHICSVIEW_P_H
  27
  28 #include "kdganttgraphicsview.h"
  29 #include "kdganttgraphicsscene.h"
  30 #include "kdganttdatetimegrid.h"
  31
  32 #include <QPointer>
  33
  34 namespace KDGantt {
  35     class HeaderWidget : public QWidget {
  36         Q_OBJECT
  37     public:
  38         explicit HeaderWidget( GraphicsView* parent );
  39         virtual ~HeaderWidget();
  40
  41         GraphicsView* view() const { return qobject_cast<GraphicsView*>( parent() );}
  42
  43     public Q_SLOTS:
  44         void scrollTo( int );
  45     protected:
  46         /*reimp*/ void paintEvent( QPaintEvent* ev );
  47 #ifndef QT_NO_CONTEXTMENU
  48         /*reimp*/ void contextMenuEvent( QContextMenuEvent* ev );
  49 #endif
  50     private:
  51         qreal m_offset;
  52     };
  53
  54     class GraphicsView::Private {
  55         Q_DISABLE_COPY( Private )
  56     public:
  57         explicit Private(GraphicsView* _q);
  58
  59         void updateHeaderGeometry();
  60
  61         void slotGridChanged();
  62         void slotHorizontalScrollValueChanged( int val );
  63
  64         /* slots for QAbstractItemModel signals */
  65         void slotColumnsInserted( const QModelIndex& parent,  int start, int end );
  66         void slotColumnsRemoved( const QModelIndex& parent,  int start, int end );
  67         void slotDataChanged( const QModelIndex& topLeft, const QModelIndex& bottomRight );
  68         void slotLayoutChanged();
  69         void slotModelReset();
  70         void slotRowsInserted( const QModelIndex& parent,  int start, int end );
  71         void slotRowsAboutToBeRemoved( const QModelIndex& parent,  int start, int end );
  72         void slotRowsRemoved( const QModelIndex& parent,  int start, int end );
  73
  74         void slotItemClicked( const QModelIndex& idx );
  75         void slotItemDoubleClicked( const QModelIndex& idx );
  76
  77         void slotHeaderContextMenuRequested( const QPoint& pt );
  78
  79         GraphicsView* q;
  80         AbstractRowController* rowcontroller;
  81         HeaderWidget headerwidget;
  82         GraphicsScene scene;
  83     };
  84 }
  85
  86 #endif /* KDGANTTGRAPHICSVIEW_P_H */
  87