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152 lines
5.4 KiB
152 lines
5.4 KiB
/*
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* Copyright (C) 2015-2022 Département de l'Instruction Publique (DIP-SEM)
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*
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* Copyright (C) 2013 Open Education Foundation
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*
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* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
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* l'Education Numérique en Afrique (GIP ENA)
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*
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* This file is part of OpenBoard.
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*
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* OpenBoard is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License,
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* with a specific linking exception for the OpenSSL project's
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* "OpenSSL" library (or with modified versions of it that use the
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* same license as the "OpenSSL" library).
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*
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* OpenBoard is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef UBGRAPHICSDELEGATEFRAME_H_
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#define UBGRAPHICSDELEGATEFRAME_H_
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#include <QtGui>
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#include "core/UB.h"
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class QGraphicsSceneMouseEvent;
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class UBGraphicsItemDelegate;
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class QGraphicsSvgItem;
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class UBGraphicsDelegateFrame: public QGraphicsRectItem, public QObject
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{
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public:
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UBGraphicsDelegateFrame(UBGraphicsItemDelegate* pDelegate, QRectF pRect, qreal pFrameWidth, bool respectRatio = true, bool hasTitleBar = false);
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virtual ~UBGraphicsDelegateFrame();
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
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QPainterPath shape() const;
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virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
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QPointF getFixedPointFromPos();
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QSizeF getResizeVector(qreal moveX, qreal moveY);
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QSizeF resizeDelegate(qreal moveX, qreal moveY);
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virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
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virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
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void positionHandles();
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void setVisible(bool visible);
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virtual void setAntiScale(qreal pAntiScale);
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enum OperationMode {Scaling, Resizing, ResizingHorizontally};
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void setOperationMode(OperationMode pMode) {mOperationMode = pMode;}
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bool isResizing(){return mResizing;}
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void moveLinkedItems(QLineF movingVector, bool bLinked = false);
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void prepareFramesToMove(QList<UBGraphicsDelegateFrame *> framesToMove);
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void prepareLinkedFrameToMove();
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QList<UBGraphicsDelegateFrame *> getLinkedFrames();
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private:
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QRectF bottomRightResizeGripRect() const;
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QRectF bottomResizeGripRect() const;
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QRectF leftResizeGripRect() const;
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QRectF rightResizeGripRect() const;
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QRectF topResizeGripRect() const;
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QRectF rotateButtonBounds() const;
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inline bool resizingBottomRight () const { return mCurrentTool == ResizeBottomRight; }
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inline bool resizingBottom () const { return mCurrentTool == ResizeBottom; }
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inline bool resizingRight () const { return mCurrentTool == ResizeRight; }
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inline bool resizingLeft () const { return mCurrentTool == ResizeLeft; }
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inline bool resizingTop () const { return mCurrentTool == ResizeTop; }
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inline bool rotating () const { return mCurrentTool == Rotate; }
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inline bool moving () const { return mCurrentTool == Move; }
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void setCursorFromAngle(QString angle);
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bool canResizeBottomRight(qreal width, qreal height, qreal scaleFactor);
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QTransform buildTransform ();
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void updateResizeCursors ();
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void initializeTransform ();
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enum FrameTool {None, Move, Rotate, ResizeBottomRight, ResizeTop, ResizeRight, ResizeBottom, ResizeLeft};
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FrameTool toolFromPos (QPointF pos);
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void refreshGeometry();
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FrameTool mCurrentTool;
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UBGraphicsItemDelegate* mDelegate;
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bool mVisible;
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qreal mFrameWidth;
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qreal mNominalFrameWidth;
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bool mRespectRatio;
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qreal mAngle;
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qreal mAngleOffset;
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qreal mTotalScaleX;
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qreal mTotalScaleY;
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qreal mScaleX;
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qreal mScaleY;
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qreal mTranslateX;
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qreal mTranslateY;
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qreal mTotalTranslateX;
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qreal mTotalTranslateY;
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qreal mAngleTolerance;
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QRect mAngleRect;
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QPointF mStartingPoint;
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QTransform mInitialTransform;
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QSizeF mOriginalSize;
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QPointF mFixedPoint;
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QGraphicsSvgItem* mBottomRightResizeGripSvgItem;
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QGraphicsSvgItem* mBottomResizeGripSvgItem;
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QGraphicsSvgItem* mLeftResizeGripSvgItem;
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QGraphicsSvgItem* mRightResizeGripSvgItem;
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QGraphicsSvgItem* mTopResizeGripSvgItem;
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QGraphicsSvgItem* mRotateButton;
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QGraphicsRectItem* mBottomRightResizeGrip;
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QGraphicsRectItem* mBottomResizeGrip;
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QGraphicsRectItem* mLeftResizeGrip;
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QGraphicsRectItem* mRightResizeGrip;
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QGraphicsRectItem* mTopResizeGrip;
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OperationMode mOperationMode;
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QGraphicsItem* delegated();
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bool mFlippedX;
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bool mFlippedY;
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bool mMirrorX;
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bool mMirrorY;
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bool mResizing;
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bool mMirroredXAtStart;
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bool mMirroredYAtStart;
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qreal mTitleBarHeight;
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qreal mNominalTitleBarHeight;
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QList<UBGraphicsDelegateFrame *> mLinkedFrames;
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};
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#endif /* UBGRAPHICSDELEGATEFRAME_H_ */
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