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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SVX_SVDDRAG_HXX
#define INCLUDED_SVX_SVDDRAG_HXX
#include <tools/gen.hxx>
#include <tools/fract.hxx>
#include <svx/svxdllapi.h>
#include <memory>
#include <vector>
// Status information for specialized object dragging. In order for the model
// to stay status free, the status data is kept on the View
// and handed over to the object at the appropriate time as a parameter.
// This also includes the status of the operation and Interactive
// Object creation. In this case, pHdl is null.
class SdrHdl;
class SdrView;
class SdrPageView;
class SdrDragMethod;
struct SdrDragStatUserData
{
virtual ~SdrDragStatUserData() = 0;
};
class SVX_DLLPUBLIC SdrDragStat final
{
SdrHdl* pHdl; // The Handle for the User
SdrView* pView;
SdrPageView* pPageView;
std::vector<Point> mvPnts; // All previous Points: [0]=Start, [Count()-2]=Prev
Point aRef1; // Referencepoint: Resize fixed point, (axis of rotation,
Point aRef2; // axis of reflection, ...)
Point aPos0; // Position at the last Event
Point aRealNow; // Current dragging position without Snap, Ortho and Limit
tools::Rectangle aActionRect;
bool bEndDragChangesAttributes;
bool bEndDragChangesGeoAndAttributes;
/// Table row drag: table will re-layout itself later.
bool mbEndDragChangesLayout;
bool bMouseIsUp;
bool bShown; // Xor visible?
sal_uInt16 nMinMov; // So much has to be minimally moved first
bool bMinMoved; // MinMove surpassed?
bool bHorFixed; // Dragging only vertical
bool bVerFixed; // Dragging only horizontal
bool bWantNoSnap; // To decide if pObj-> MovCreate () should use NoSnapPos or not.
// Therefore, NoSnapPos is written into the buffer.
bool bOrtho4;
bool bOrtho8;
SdrDragMethod* pDragMethod;
std::unique_ptr<SdrDragStatUserData> mpUserData; // Userdata
void Clear();
sal_Int32 GetPrevPos() const { return mvPnts.size()-(mvPnts.size()>1 ? 2 : 1); }
// This is passed all the way through to ApplySpecialDrag of the Edge Object
// For LOK, we cannot really specify which glue point to select by default
// It selects the nearest glue points after DragEnd event.
// When multiple objects are on top of each other or somehow their glue points
// collide, the glue point is selected from the lowest order numbered object
// We can pass the ord number information inside the draginfo and choose the correct shape
struct {
sal_Int32 objectOrdNum = -1;
} mGlueOptions;
public:
SdrDragStat() { Reset(); }
~SdrDragStat();
void Reset();
SdrView* GetView() const { return pView; }
void SetView(SdrView* pV) { pView=pV; }
SdrPageView* GetPageView() const { return pPageView; }
void SetPageView(SdrPageView* pPV) { pPageView=pPV; }
const Point& GetPoint(sal_Int32 nNum) const { return mvPnts[nNum]; }
sal_Int32 GetPointCount() const { return mvPnts.size(); }
const Point& GetStart() const { return mvPnts[0]; }
const Point& GetPrev() const { return mvPnts[GetPrevPos()]; }
const Point& GetPos0() const { return aPos0; }
const Point& GetNow() const { return mvPnts.back(); }
void SetNow(Point const &pt) { mvPnts.back() = pt; }
const Point& GetRef1() const { return aRef1; }
void SetRef1(const Point &pt) { aRef1 = pt; }
const Point& GetRef2() const { return aRef2; }
void SetRef2(const Point &pt) { aRef2 = pt; }
const SdrHdl* GetHdl() const { return pHdl; }
void SetHdl(SdrHdl* pH) { pHdl=pH; }
SdrDragStatUserData* GetUser() const { return mpUserData.get(); }
void SetUser(std::unique_ptr<SdrDragStatUserData> pU) { mpUserData = std::move(pU); }
bool IsShown() const { return bShown; }
void SetShown(bool bOn) { bShown=bOn; }
bool IsMinMoved() const { return bMinMoved; }
void SetMinMoved() { bMinMoved=true; }
void ResetMinMoved() { bMinMoved=false; }
void SetMinMove(sal_uInt16 nDist) { nMinMov=nDist; if (nMinMov<1) nMinMov=1; }
bool IsHorFixed() const { return bHorFixed; }
void SetHorFixed(bool bOn) { bHorFixed=bOn; }
bool IsVerFixed() const { return bVerFixed; }
void SetVerFixed(bool bOn) { bVerFixed=bOn; }
// Here, the object can say: "I do not want to snap to coordinates!"
// for example, the angle of the arc ...
bool IsNoSnap() const { return bWantNoSnap; }
void SetNoSnap(bool bOn = true) { bWantNoSnap=bOn; }
// And here the Obj say which Ortho (if there is one) can be usefully applied to him.
// Ortho4 means Ortho in four directions (for Rect and CIRT)
bool IsOrtho4Possible() const { return bOrtho4; }
void SetOrtho4Possible(bool bOn = true) { bOrtho4=bOn; }
// Ortho8 means Ortho in 8 directions (for lines)
bool IsOrtho8Possible() const { return bOrtho8; }
void SetOrtho8Possible(bool bOn = true) { bOrtho8=bOn; }
// Is set by an object that was dragged.
bool IsEndDragChangesAttributes() const { return bEndDragChangesAttributes; }
void SetEndDragChangesAttributes(bool bOn) { bEndDragChangesAttributes=bOn; }
bool IsEndDragChangesGeoAndAttributes() const { return bEndDragChangesGeoAndAttributes; }
void SetEndDragChangesGeoAndAttributes(bool bOn) { bEndDragChangesGeoAndAttributes=bOn; }
bool IsEndDragChangesLayout() const { return mbEndDragChangesLayout; }
void SetEndDragChangesLayout(bool bOn) { mbEndDragChangesLayout=bOn; }
// Is set by the view and can be evaluated by Obj
bool IsMouseDown() const { return !bMouseIsUp; }
void SetMouseDown(bool bDown) { bMouseIsUp=!bDown; }
void Reset(const Point& rPnt);
void NextMove(const Point& rPnt);
void NextPoint();
void PrevPoint();
bool CheckMinMoved(const Point& rPnt);
long GetDX() const { return GetNow().X()-GetPrev().X(); }
long GetDY() const { return GetNow().Y()-GetPrev().Y(); }
Fraction GetXFact() const;
Fraction GetYFact() const;
SdrDragMethod* GetDragMethod() const { return pDragMethod; }
void SetDragMethod(SdrDragMethod* pMth) { pDragMethod=pMth; }
const tools::Rectangle& GetActionRect() const { return aActionRect; }
void SetActionRect(const tools::Rectangle& rR) { aActionRect=rR; }
// Also considering 1stPointAsCenter
void TakeCreateRect(tools::Rectangle& rRect) const;
auto& GetGlueOptions() { return mGlueOptions; }
};
#endif // INCLUDED_SVX_SVDDRAG_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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