ginebra2/ScrollableViewBase.h
changeset 6 1c3b8676e58c
child 16 3c88a81ff781
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ginebra2/ScrollableViewBase.h	Tue Jul 06 14:03:49 2010 +0300
@@ -0,0 +1,68 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+*
+* This program 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, version 2.1 of the License.
+*
+* This program 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 program.  If not,
+* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".
+*
+* Description:
+*
+*/
+
+#ifndef ScrollableViewBase_h
+#define ScrollableViewBase_h
+
+#include "Kinetics/KineticScrollable.h"
+
+#include <QGraphicsWidget>
+
+namespace GVA {
+
+class KineticScroller;
+
+class ScrollableViewBase : public QGraphicsWidget, public KineticScrollable {
+public:
+    ScrollableViewBase(QGraphicsItem* parent = 0, Qt::WindowFlags wFlags = 0);
+    ~ScrollableViewBase();
+
+    void setWidget(QGraphicsWidget*);
+
+protected:
+
+    //KineticScrollable pure virtuals
+    QSize viewportSize() const;
+    QPoint maximumScrollPosition() const ;
+    QPoint scrollPosition() const;
+    void setScrollPosition(const QPoint& pos, const QPoint& overshootDelta);
+    void stateChanged(KineticScrollable::State oldState, KineticScrollable::State newState);
+
+    QGraphicsWidget* scrollWidget() const { return m_scrollWidget; }
+    virtual void setScrollWidgetGeometry(const QRectF& r);
+    QRectF adjustScrollWidgetRect(const QRectF&);
+
+    //Helpers for adjusting scroll pos
+    void setScrollWidgetPos(const QPointF& pos);
+    QPointF scrollWidgetPos() const;
+
+protected:
+    KineticScroller* m_kineticScroller;
+
+private:
+    QGraphicsWidget* m_scrollWidget;
+    QPointF m_overShoot;
+    QPointF m_extraPos;
+}; //ScrollableViewBase
+
+} //namespace GVA
+
+#endif //ScrollableViewBase_h