fe42f7c23b
Change-Id: Id4bf243276f16a7e840df0cacf2ca4151b49ca46 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/173052 Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com> Tested-by: Jenkins
234 lines
10 KiB
C++
234 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SVX_SVDDRGV_HXX
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#define INCLUDED_SVX_SVDDRGV_HXX
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#include <svx/svxdllapi.h>
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#include <svx/svdxcgv.hxx>
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#include <memory>
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class SdrUndoGeoObj;
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class SVXCORE_DLLPUBLIC SdrDragView : public SdrExchangeView
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{
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friend class SdrPageView;
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friend class SdrDragMethod;
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// See GetDragXorPolyLimit/GetDragXorPointLimit
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enum : size_t {
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eDragXorPolyLimit = 100,
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eDragXorPointLimit = 500
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};
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protected:
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SdrHdl* mpDragHdl;
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std::unique_ptr<SdrDragMethod> mpCurrentSdrDragMethod;
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std::unique_ptr<SdrUndoAction> mpInsPointUndo;
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tools::Rectangle maDragLimit;
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OUString maInsPointUndoStr;
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SdrHdlKind meDragHdl;
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sal_Int32 mnDragThresholdPixels;
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bool mbFramDrag : 1; // currently frame dragging
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bool mbMarkedHitMovesAlways : 1; // Persistent
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bool mbDragLimit : 1; // Limit on SnapRect instead of BoundRect
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bool mbDragHdl : 1; // TRUE: RefPt is slid
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bool mbDragStripes : 1; // Persistent
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bool mbSolidDragging : 1; // allow solid create/drag of objects
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bool mbResizeAtCenter : 1;
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bool mbCrookAtCenter : 1;
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bool mbDragWithCopy : 1;
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bool mbInsGluePoint : 1;
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bool mbInsObjPointMode : 1;
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bool mbInsGluePointMode : 1;
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bool mbNoDragXorPolys : 1;
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protected:
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virtual void SetMarkHandles(SfxViewShell* pOtherShell) override;
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SAL_DLLPRIVATE void ShowDragObj(bool IsSizeValid=true);
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SAL_DLLPRIVATE void HideDragObj();
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bool ImpBegInsObjPoint(bool bIdxZwang, const Point& rPnt, bool bNewObj, OutputDevice* pOut);
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protected:
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// #i71538# make constructors of SdrView sub-components protected to avoid incomplete incarnations which may get casted to SdrView
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SAL_DLLPRIVATE SdrDragView(
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SdrModel& rSdrModel,
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OutputDevice* pOut);
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SAL_DLLPRIVATE virtual ~SdrDragView() override;
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public:
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SAL_DLLPRIVATE virtual bool IsAction() const override;
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SAL_DLLPRIVATE virtual void MovAction(const Point& rPnt) override;
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SAL_DLLPRIVATE virtual void EndAction() override;
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SAL_DLLPRIVATE virtual void BckAction() override;
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SAL_DLLPRIVATE virtual void BrkAction() override;
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SAL_DLLPRIVATE virtual void TakeActionRect(tools::Rectangle& rRect) const override;
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// special implementation for Writer:
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// TakeDragObjAnchorPos() returns the position at which an object
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// approximately ends up during dragging when it is "released"
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// (EndDrag).
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// As a general rule, this is the left upper corner of the expected
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// new SnapRect. Exception: CaptionObj. There, it is the position
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// of the "tail end".
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// In case of return value 'false', the position could not be
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// determined (e.g. point shift, multiple selection, shift of the
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// mirror axis,...)
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bool TakeDragObjAnchorPos(Point& rPos, bool bTopRight ) const;
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// If pForcedMeth is passed, then pHdl, ... is not evaluated, but this Drag
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// method is used. In this, the ownership of the instance passes
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// to the View and is destroyed at the end of the dragging.
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virtual bool BegDragObj(const Point& rPnt, OutputDevice* pOut, SdrHdl* pHdl, short nMinMov=-3, SdrDragMethod* pForcedMeth=nullptr);
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void MovDragObj(const Point& rPnt);
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bool EndDragObj(bool bCopy=false);
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void BrkDragObj();
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bool IsDragObj() const { return mpCurrentSdrDragMethod && !mbInsPolyPoint && !mbInsGluePoint; }
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SdrHdl* GetDragHdl() const { return mpDragHdl; }
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SdrDragMethod* GetDragMethod() const { return mpCurrentSdrDragMethod.get(); }
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bool IsDraggingPoints() const { return meDragHdl==SdrHdlKind::Poly; }
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bool IsDraggingGluePoints() const { return meDragHdl==SdrHdlKind::Glue; }
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// If you want to define that already during BegDrag
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// or in the middle.
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// (Is reset to 'false' on each BegDrag, so set it after BegDrag.)
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void SetDragWithCopy(bool bOn) { mbDragWithCopy = bOn; }
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bool IsDragWithCopy() const { return mbDragWithCopy; }
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void SetDragThresholdPixels(sal_Int32 nDragThresholdPixels) { mnDragThresholdPixels = nDragThresholdPixels; }
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sal_Int32 GetDragThresholdPixels() const { return mnDragThresholdPixels; }
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void SetInsertGluePoint(bool bOn) { mbInsGluePoint = bOn; }
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bool IsInsertGluePoint() const { return mbInsGluePoint; }
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// Interactive insertion of a new point. nIdx=0 => in front of the first point
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SAL_DLLPRIVATE bool IsInsObjPointPossible() const;
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bool BegInsObjPoint(const Point& rPnt, bool bNewObj) { return ImpBegInsObjPoint(false, rPnt, bNewObj, nullptr); }
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void MovInsObjPoint(const Point& rPnt) { MovDragObj(rPnt); }
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bool EndInsObjPoint(SdrCreateCmd eCmd);
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bool IsInsObjPoint() const { return mpCurrentSdrDragMethod && mbInsPolyPoint; }
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// For the app to manage the status. GetPreferredPointer() is
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// possibly going to deliver a matching pointer for it.
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void SetInsObjPointMode(bool bOn) { mbInsObjPointMode = bOn; }
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bool IsInsObjPointMode() const { return mbInsObjPointMode; }
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SAL_DLLPRIVATE bool IsInsGluePointPossible() const;
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bool BegInsGluePoint(const Point& rPnt);
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bool IsInsGluePoint() const { return mpCurrentSdrDragMethod && mbInsGluePoint; }
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// For the app to manage the status. GetPreferredPointer() is
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// possibly going to deliver a matching pointer for it.
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void SetInsGluePointMode(bool bOn) { mbInsGluePointMode = bOn; }
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bool IsInsGluePointMode() const { return mbInsGluePointMode; }
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// border lines over the whole win persistent during the
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// whole dragging. Default=FALSE.
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void SetDragStripes(bool bOn);
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bool IsDragStripes() const { return mbDragStripes; }
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// As a general rule, the contours of the selected objects
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// are displayed as Xor-polygons. If this flag is set, only one
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// Xor-Frame is drawn (e.g. in case of multiple selection).
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// In case of object-specific dragging (polygon points, corner radius,...),
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// this setting has no influence.
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// Also changeable during the dragging.
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// Default=Off
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void SetNoDragXorPolys(bool bOn);
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bool IsNoDragXorPolys() const { return mbNoDragXorPolys; }
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// If the number of selected objects exceeds the value set here,
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// NoDragPolys is (temporarily) activated implicitly.
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// PolyPolygons etc. are regarded as multiple objects respectively.
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static size_t GetDragXorPolyLimit() { return eDragXorPolyLimit; }
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// Like DragXorPolyLimit, but in respect to the total number of
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// all polygons.
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// NoDragPolys is (temporarily) activated, if one of the limits
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// is exceeded.
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static size_t GetDragXorPointLimit() { return eDragXorPointLimit; }
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void SetSolidDragging(bool bOn);
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bool IsSolidDragging() const;
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// Connector handling is thus as follows (when using default settings):
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// - If at most 10 Connectors are affected, they are recalculated
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// on each MouseMove.
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// - If 11 to 100 Connectors are affected, the connections
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// are shown as straight lines while dragging.
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// - In case of more than 100 affected Connectors, nothing that refers
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// to the Connectors is drawn while dragging.
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// If a special drag mode like Rotate, Mirror or Crook is enabled,
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// then a Hit on the selected object triggers exactly this dragging.
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// If MarkedHitMovesAlways is set to 'true', a Hit on the selected
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// object always triggers a Move, independent of the DragMode that is
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// set. This flag is persistent and should be configurable in the app
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// by the user!
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void SetMarkedHitMovesAlways(bool bOn) { mbMarkedHitMovesAlways = bOn; }
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bool IsMarkedHitMovesAlways() const { return mbMarkedHitMovesAlways; }
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SAL_DLLPRIVATE bool IsOrthoDesired() const;
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// center as reference on Resize
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// Default=FALSE.
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bool IsResizeAtCenter() const { return mbResizeAtCenter; }
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void SetResizeAtCenter(bool bOn) { mbResizeAtCenter = bOn; }
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// symmetric Crook
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// Default=FALSE.
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bool IsCrookAtCenter() const { return mbCrookAtCenter; }
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void SetCrookAtCenter(bool bOn) { mbCrookAtCenter = bOn; }
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// Limitation of the working area. The limitation refers to the View,
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// not to the single PageViews. This limitation is only evaluated by
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// the View on interactions like Dragging and Create.
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// In case of actions controlled by the app through algorithms or
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// UI-controlled actions (SetGeoAttr, MoveMarkedObj, ...), the
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// app must honor this limit itself.
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// Furthermore, this limit is to be seen as a rough limit. In certain
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// cases (e.g. while rotating), objects cannot be dragged exactly
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// up to this limit, objects can overlap a bit because of rounding
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// errors,...
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// Default=EmptyRect=no limitation
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// only partially implemented
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void SetWorkArea(const tools::Rectangle& rRect) { maMaxWorkArea=rRect; }
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const tools::Rectangle& GetWorkArea() const { return maMaxWorkArea; }
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// The DragLimit refers to the Page of the object.
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// (TODO or to the View?? - must be researched...)
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// 'false' = no limit
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// The return Rect must contain absolute coordinates. The maximum
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// drag area is then selected by the View in a way that the object's
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// SnapRect is moved or resized at most up to the corner of the
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// LimitRect. For objects like Bezier curves, rotated rectangles,
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// it must be taken into account that because of subsequent
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// recalculation of the SnapRect (on Resize), rounding errors can
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// occur, because of which the LimitRect might be exceeded by a
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// very small extent...
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// Implemented for Move and Resize
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virtual bool TakeDragLimit(SdrDragMode eMode, tools::Rectangle& rRect) const;
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};
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#endif // INCLUDED_SVX_SVDDRGV_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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