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0001 /* 0002 * This file is part of the KDE project 0003 * 0004 * Copyright (C) 2013 Shantanu Tushar <shantanu@kde.org> 0005 * Copyright (C) 2013 Sujith Haridasan <sujith.h@gmail.com> 0006 * Copyright (C) 2013 Arjen Hiemstra <ahiemstra@heimr.nl> 0007 * 0008 * This library is free software; you can redistribute it and/or 0009 * modify it under the terms of the GNU Library General Public 0010 * License as published by the Free Software Foundation; either 0011 * version 2 of the License, or (at your option) any later version. 0012 * 0013 * This library is distributed in the hope that it will be useful, 0014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 0015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0016 * Library General Public License for more details. 0017 * 0018 * You should have received a copy of the GNU Library General Public License 0019 * along with this library; see the file COPYING.LIB. If not, write to 0020 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 0021 * Boston, MA 02110-1301, USA. 0022 * 0023 */ 0024 0025 #ifndef CQCANVASCONTROLLER_H 0026 #define CQCANVASCONTROLLER_H 0027 0028 #include <KoCanvasController.h> 0029 0030 class QSize; 0031 class QPoint; 0032 class KoCanvasBase; 0033 class CQCanvasController : public QObject, public KoCanvasController 0034 { 0035 Q_OBJECT 0036 public: 0037 explicit CQCanvasController(KActionCollection* actionCollection); 0038 virtual ~CQCanvasController(); 0039 0040 virtual void setVastScrolling(qreal factor); 0041 virtual void setZoomWithWheel(bool zoom); 0042 virtual void updateDocumentSize(const QSize& sz, bool recalculateCenter); 0043 virtual void setScrollBarValue(const QPoint& value); 0044 virtual QPoint scrollBarValue() const; 0045 virtual void pan(const QPoint& distance); 0046 virtual QPointF preferredCenter() const; 0047 virtual void setPreferredCenter(const QPointF& viewPoint); 0048 virtual void recenterPreferred(); 0049 virtual void zoomTo(const QRect& rect); 0050 virtual void zoomBy(const QPoint& center, qreal zoom); 0051 virtual void zoomOut(const QPoint& center); 0052 virtual void zoomIn(const QPoint& center); 0053 virtual void ensureVisible(KoShape* shape); 0054 virtual void ensureVisible(const QRectF& rect, bool smooth); 0055 virtual int canvasOffsetY() const; 0056 virtual int canvasOffsetX() const; 0057 virtual int visibleWidth() const; 0058 virtual int visibleHeight() const; 0059 virtual KoCanvasBase* canvas() const; 0060 virtual void setCanvas(KoCanvasBase* canvas); 0061 virtual void setDrawShadow(bool drawShadow); 0062 virtual QSize viewportSize() const; 0063 virtual void scrollContentsBy(int dx, int dy); 0064 0065 QSize documentSize() const; 0066 0067 Q_SIGNALS: 0068 void documentSizeChanged(const QSize &sz); 0069 void documentPositionChanged(const QPoint &pos); 0070 0071 private: 0072 class Private; 0073 Private * const d; 0074 }; 0075 0076 #endif // CQCANVASCONTROLLER_H 0077 0078