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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef _SVDHDL_HXX
#define _SVDHDL_HXX

#include <tools/gen.hxx>

#include <vcl/pointr.hxx>
#include <tools/contnr.hxx>

#include <svl/solar.hrc>

#include <svx/xpoly.hxx>
#include <svx/svdoedge.hxx>
#include <svx/sdr/overlay/overlayobjectlist.hxx>
#include "svx/svxdllapi.h"

#include <svx/xpoly.hxx>
#include <svx/svdoedge.hxx>

class VirtualDevice;
class OutputDevice;
class Region;
class Window;
class SdrHdlList;
class SdrMarkView;
class SdrObject;
class SdrPageView;
class MouseEvent;

////////////////////////////////////////////////////////////////////////////////////////////////////

// Jedes Objekt muss in der Lage seine Handles zu erzeugen. Diese werden dann
// bei einer Selektion abgeholt, bei der View angemeldet und sichtbar gemacht.
// Wird ein Handle von der Maus beruehrt (IsHit()), so wird von der View der
// entsprechende Mauszeiger vom Handle abgeholt und der App auf Anfrage zum
// reinschalten uebergeben.
// Handles wie z.B. der Rotationsmittelpunkt oder die Spiegelachse werden von
// der View generiert, wenn vom Controller der entsprechende Transformations-
// Modus selektiert wird.
// HDL_MOVE...HDL_LWRGT muessen im enum immer zusammen stehen bleiben!

enum SdrHdlKind
{
    HDL_MOVE,       // Handle zum Verschieben des Objekts
    HDL_UPLFT,      // Oben links
    HDL_UPPER,      // Oben
    HDL_UPRGT,      // Oben rechts
    HDL_LEFT,       // Links
    HDL_RIGHT,      // Rechts
    HDL_LWLFT,      // Unten links
    HDL_LOWER,      // Unten
    HDL_LWRGT,      // Unten rechts
    HDL_POLY,       // Punktselektion an Polygon oder Bezierkurve
    HDL_BWGT,       // Gewicht an einer Bezierkurve
    HDL_CIRC,       // Winkel an Kreissegmenten, Eckenradius am Rect
    HDL_REF1,       // Referenzpunkt 1, z.B. Rotationsmitte
    HDL_REF2,       // Referenzpunkt 2, z.B. Endpunkt der Spiegelachse
    HDL_MIRX,       // Die Spiegelachse selbst
    HDL_GLUE,       // GluePoint
    HDL_GLUE_DESELECTED,       // GluePoint
    HDL_ANCHOR,     // anchor symbol (SD, SW)
    HDL_TRNS,       // interactive transparence
    HDL_GRAD,       // interactive gradient
    HDL_COLR,       // interactive color
    HDL_USER,
    HDL_ANCHOR_TR,  // #101688# Anchor handle with (0,0) at top right for SW

    // for SJ and the CustomShapeHandles:
    HDL_CUSTOMSHAPE1,

    HDL_SMARTTAG
};

////////////////////////////////////////////////////////////////////////////////////////////////////

enum BitmapColorIndex
{
    LightGreen,
    Cyan,
    LightCyan,
    Red,
    LightRed,
    Yellow
};

////////////////////////////////////////////////////////////////////////////////////////////////////

enum BitmapMarkerKind
{
    Rect_7x7,
    Rect_9x9,
    Rect_11x11,
    Rect_13x13,
    Circ_7x7,
    Circ_9x9,
    Circ_11x11,
    Elli_7x9,
    Elli_9x11,
    Elli_9x7,
    Elli_11x9,
    RectPlus_7x7,
    RectPlus_9x9,
    RectPlus_11x11,
    Crosshair,
    Glue,
    Glue_Deselected,
    Anchor,

    // #98388# add AnchorPressed to be able to aninate anchor control, too.
    AnchorPressed,

    // #101688# AnchorTR for SW
    AnchorTR,
    AnchorPressedTR,

    // for SJ and the CustomShapeHandles:
    Customshape1
};

////////////////////////////////////////////////////////////////////////////////////////////////////

class SVX_DLLPUBLIC SdrHdl
{
    friend class                SdrMarkView; // fuer den Zugriff auf nObjHdlNum
    friend class                SdrHdlList;

    static BitmapEx ImpGetBitmapEx(BitmapMarkerKind eKindOfMarker, sal_uInt16 nInd);

protected:
    SdrObject*                  pObj;      // Gehoert das Handle zu einem Objekt?
    SdrPageView*                pPV;       // Gehoert das Handle zu einem Objekt in einer bestimmten PageView?
    SdrHdlList*                 pHdlList;  // Zum Feststelen der Handlegroesse

    // OVERLAYMANAGER
    ::sdr::overlay::OverlayObjectList           maOverlayGroup;

    Point                       aPos;

    SdrHdlKind                  eKind;

    long                        nDrehWink; // Handles bzw. Mauszeiger drehen
    sal_uInt32                  nObjHdlNum; // wird von der MarkView benoetigt
    sal_uInt32                  nPolyNum;  // Polygonpunktes
    sal_uInt32                  nPPntNum;  // Punktnummer des Polygons
    sal_uInt32                  nSourceHdlNum; // ist noch vollstaendig zu implementieren

    unsigned                    bSelect : 1;   // Ein selektierter Polygonpunkt?
    unsigned                    b1PixMore : 1; // True=Handle wird 1 Pixel groesser dargestellt
    unsigned                    bPlusHdl : 1;  // u.a. fuer Hld-Paint Optimierung bei MarkPoint/UnmarkPoint, ...

    bool                        mbMoveOutside; // forces this handle to be moved outside of the selection rectangle

    // create marker for this kind
    virtual void CreateB2dIAObject();

    // cleanup marker if one exists
    void GetRidOfIAObject();

private:
    bool                        mbMouseOver;    // is true if the mouse is over this handle

protected:
    ::sdr::overlay::OverlayObject* CreateOverlayObject(
        const basegfx::B2DPoint& rPos,
        BitmapColorIndex eColIndex, BitmapMarkerKind eKindOfMarker, Point aMoveOutsideOffset = Point());
    BitmapMarkerKind GetNextBigger(BitmapMarkerKind eKnd) const;

public:
    SdrHdl();
    SdrHdl(const Point& rPnt, SdrHdlKind eNewKind=HDL_MOVE);
    virtual ~SdrHdl();

    const ::sdr::overlay::OverlayObjectList& getOverlayObjectList() const { return maOverlayGroup; }

    void SetHdlList(SdrHdlList* pList);
    SdrHdlKind GetKind() const { return eKind; }
    void Touch();

    const Point& GetPos() const { return aPos; }
    void SetPos(const Point& rPnt);

    SdrPageView* GetPageView() const { return pPV; }
    void SetPageView(SdrPageView* pNewPV) { pPV=pNewPV; }

    SdrObject* GetObj() const { return pObj;  }
    void SetObj(SdrObject* pNewObj);

    sal_Bool IsSelected() const { return bSelect; }
    void SetSelected(sal_Bool bJa=sal_True);

    void Set1PixMore(sal_Bool bJa=sal_True);
    void SetDrehWink(long n);

    sal_Bool IsCornerHdl() const { return eKind==HDL_UPLFT || eKind==HDL_UPRGT || eKind==HDL_LWLFT || eKind==HDL_LWRGT; }
    sal_Bool IsVertexHdl() const { return eKind==HDL_UPPER || eKind==HDL_LOWER || eKind==HDL_LEFT  || eKind==HDL_RIGHT; }

    void SetObjHdlNum(sal_uInt32 nNum) { nObjHdlNum=nNum; }
    sal_uInt32 GetObjHdlNum() const { return nObjHdlNum; }

    void SetPolyNum(sal_uInt32 nNum) { nPolyNum=nNum; }
    sal_uInt32 GetPolyNum() const { return nPolyNum; }

    void SetPointNum(sal_uInt32 nNum) { nPPntNum=nNum; }
    sal_uInt32 GetPointNum() const { return nPPntNum; }

    void SetPlusHdl(sal_Bool bOn) { bPlusHdl=bOn; }
    sal_Bool IsPlusHdl() const { return bPlusHdl; }

    void SetSourceHdlNum(sal_uInt32 nNum) { nSourceHdlNum=nNum; }
    sal_uInt32 GetSourceHdlNum() const { return nSourceHdlNum; }

    virtual Pointer GetPointer() const;
    bool IsHdlHit(const Point& rPnt) const;

    // #97016# II
    virtual sal_Bool IsFocusHdl() const;

    void SetMoveOutside( bool bMoveOutside );

    /** is called when the mouse enters the area of this handle. If the handle changes his
        visualisation during mouse over it must override this method and call Touch(). */
    virtual void onMouseEnter(const MouseEvent& rMEvt);

    /** is called when the mouse leaves the area of this handle. If the handle changes his
        visualisation during mouse over it must override this method and call Touch(). */
    virtual void onMouseLeave();

    static BitmapEx createGluePointBitmap() { return ImpGetBitmapEx(Glue_Deselected, 0); }
};

////////////////////////////////////////////////////////////////////////////////////////////////////

#define SDR_HANDLE_COLOR_SIZE_NORMAL            Size(13, 13)
#define SDR_HANDLE_COLOR_SIZE_SELECTED          Size(17, 17)

class SVX_DLLPUBLIC SdrHdlColor : public SdrHdl
{
private:
    // size of colr markers
    Size                        aMarkerSize;

    // color
    Color                       aMarkerColor;

    // callback link when value changed
    Link                        aColorChangeHdl;

    // use luminance values only
    unsigned                    bUseLuminance : 1;

    // create marker for this kind
    SVX_DLLPRIVATE virtual void CreateB2dIAObject();

    // help functions
    SVX_DLLPRIVATE Bitmap CreateColorDropper(Color aCol);
    SVX_DLLPRIVATE Color GetLuminance(const Color& rCol);
    SVX_DLLPRIVATE void CallColorChangeLink();

public:
    SdrHdlColor(const Point& rRef, Color aCol = Color(COL_BLACK), const Size& rSize = Size(11, 11), sal_Bool bLum = sal_False);
    virtual ~SdrHdlColor();

    sal_Bool IsUseLuminance() const { return bUseLuminance; }

    Color GetColor() const { return aMarkerColor; }
    void SetColor(Color aNew, sal_Bool bCallLink = sal_False);

    const Size& GetSize() const { return aMarkerSize; }
    void SetSize(const Size& rNew);

    void SetColorChangeHdl(const Link& rLink) { aColorChangeHdl = rLink; }
    const Link& GetColorChangeHdl() const { return aColorChangeHdl; }
};

////////////////////////////////////////////////////////////////////////////////////////////////////

class SdrHdlGradient : public SdrHdl
{
private:
    // pointer to used color handles
    SdrHdlColor*                pColHdl1;
    SdrHdlColor*                pColHdl2;

    // 2nd position
    Point                       a2ndPos;

    // is this a gradient or a transparence
    unsigned                    bGradient : 1;

    // select which handle to move
    unsigned                    bMoveSingleHandle : 1;
    unsigned                    bMoveFirstHandle : 1;

    // create marker for this kind
    virtual void CreateB2dIAObject();

public:
    SdrHdlGradient(const Point& rRef1, const Point& rRef2, sal_Bool bGrad = sal_True);
    virtual ~SdrHdlGradient();

    sal_Bool IsGradient() const { return bGradient; }

    // set the associated color handles
    void SetColorHandles(SdrHdlColor* pL1, SdrHdlColor* pL2) { pColHdl1 = pL1; pColHdl2 = pL2; }
    SdrHdlColor* GetColorHdl1() const { return pColHdl1; }
    SdrHdlColor* GetColorHdl2() const { return pColHdl2; }

    const Point& Get2ndPos() const { return a2ndPos; }
    void Set2ndPos(const Point& rPnt);

    // the link called by the color handles
    DECL_LINK(ColorChangeHdl, SdrHdl*);

    // transformation call, create gradient from this handle
    void FromIAOToItem(SdrObject* pObj, sal_Bool bSetItemOnObject, sal_Bool bUndo);

    // selection flags for interaction
    sal_Bool IsMoveSingleHandle() const { return bMoveSingleHandle; }
    void SetMoveSingleHandle(sal_Bool bNew) { bMoveSingleHandle = bNew; }
    sal_Bool IsMoveFirstHandle() const { return bMoveFirstHandle; }
    void SetMoveFirstHandle(sal_Bool bNew) { bMoveFirstHandle = bNew; }
};

////////////////////////////////////////////////////////////////////////////////////////////////////

// Spiegelachse
class SdrHdlLine: public SdrHdl
{
    // create marker for this kind
    virtual void CreateB2dIAObject();

protected:
    SdrHdl*                     pHdl1;
    SdrHdl*                     pHdl2;

public:
    SdrHdlLine(SdrHdl& rHdl1, SdrHdl& rHdl2, SdrHdlKind eNewKind=HDL_MIRX) { eKind=eNewKind; pHdl1=&rHdl1; pHdl2=&rHdl2; }
    virtual ~SdrHdlLine();

    virtual Pointer GetPointer() const;
};

// Ein SdrHdlBezWgt hat Kenntnis von seinem "BasisHandle". Seine Draw-Methode
// zeichnet zusaetzlich eine Linie von seiner Position zur Position dieses
// BasisHandles.
class SdrHdlBezWgt: public SdrHdl
{
    // create marker for this kind
    virtual void CreateB2dIAObject();

protected:
    const SdrHdl* pHdl1;

public:
    // das ist kein Copy-Ctor!!!
    SdrHdlBezWgt(const SdrHdl* pRefHdl1, SdrHdlKind eNewKind=HDL_BWGT) { eKind=eNewKind; pHdl1=pRefHdl1; }
    virtual ~SdrHdlBezWgt();
};

////////////////////////////////////////////////////////////////////////////////////////////////////

class E3dVolumeMarker : public SdrHdl
{
    basegfx::B2DPolyPolygon             aWireframePoly;

    // create marker for this kind
    virtual void CreateB2dIAObject();

public:
    E3dVolumeMarker(const basegfx::B2DPolyPolygon& rWireframePoly);
};

////////////////////////////////////////////////////////////////////////////////////////////////////

class ImpEdgeHdl: public SdrHdl
{
    SdrEdgeLineCode eLineCode;

    // create marker for this kind
    virtual void CreateB2dIAObject();

public:
    ImpEdgeHdl(const Point& rPnt, SdrHdlKind eNewKind): SdrHdl(rPnt,eNewKind),eLineCode(MIDDLELINE) {}
    virtual ~ImpEdgeHdl();

    void SetLineCode(SdrEdgeLineCode eCode);
    SdrEdgeLineCode GetLineCode() const     { return eLineCode; }
    sal_Bool IsHorzDrag() const;
    virtual Pointer GetPointer() const;
};

////////////////////////////////////////////////////////////////////////////////////////////////////

class ImpMeasureHdl: public SdrHdl
{
    // create marker for this kind
    virtual void CreateB2dIAObject();

public:
    ImpMeasureHdl(const Point& rPnt, SdrHdlKind eNewKind): SdrHdl(rPnt,eNewKind) {}
    virtual ~ImpMeasureHdl();

    virtual Pointer GetPointer() const;
};

////////////////////////////////////////////////////////////////////////////////////////////////////

class ImpTextframeHdl: public SdrHdl
{
    const Rectangle maRect;

    // create marker for this kind
    virtual void CreateB2dIAObject();

public:
    explicit ImpTextframeHdl(const Rectangle& rRect);
};

////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////

// #97016# II
class ImplHdlListData;

class SVX_DLLPUBLIC SdrHdlList
{
protected:
    sal_uIntPtr                 mnFocusIndex;
    SdrMarkView*                pView;
    Container                   aList;
    sal_uInt16                      nHdlSize;

    unsigned                    bRotateShear : 1;
    unsigned                    bDistortShear : 1;
    unsigned                    bMoveOutside : 1;      // Handles nach aussen ruecken (fuer TextEdit)

private:
    SVX_DLLPRIVATE SdrHdlList(const SdrHdlList&): aList(1024,64,64)  {}
    SVX_DLLPRIVATE void operator=(const SdrHdlList&)                 {}
    SVX_DLLPRIVATE sal_Bool operator==(const SdrHdlList&) const      { return sal_False; }
    SVX_DLLPRIVATE sal_Bool operator!=(const SdrHdlList&) const      { return sal_False; }

public:
    SdrHdlList(SdrMarkView* pV);
    ~SdrHdlList();
    void Clear();

    // #97016# II
    void TravelFocusHdl(sal_Bool bForward);
    SdrHdl* GetFocusHdl() const;
    void SetFocusHdl(SdrHdl* pNew);
    void ResetFocusHdl();

    // Access to View
    SdrMarkView* GetView() const;

    // Sortierung: 1.Level Erst Refpunkt-Handles, dann normale Handles, dann Glue, dann User, dann Plushandles
    //             2.Level PageView (Pointer)
    //             3.Level Position (x+y)
    void     Sort();
    sal_uIntPtr    GetHdlCount() const                       { return aList.Count(); }
    SdrHdl*  GetHdl(sal_uIntPtr nNum) const                  { return (SdrHdl*)(aList.GetObject(nNum)); }
    sal_uIntPtr    GetHdlNum(const SdrHdl* pHdl) const;
    void     SetHdlSize(sal_uInt16 nSiz);
    sal_uInt16   GetHdlSize() const                        { return nHdlSize; }
    void     SetMoveOutside(sal_Bool bOn);
    sal_Bool IsMoveOutside() const                     { return bMoveOutside; }
    void     SetRotateShear(sal_Bool bOn);
    sal_Bool IsRotateShear() const                     { return bRotateShear; }
    void     SetDistortShear(sal_Bool bOn);
    sal_Bool IsDistortShear() const                    { return bDistortShear; }

    // AddHdl uebernimmt das Handle in sein Eigentum. Es muss
    // also auf dem Heap stehen, da Clear() ein delete macht.
    void    AddHdl(SdrHdl* pHdl, sal_Bool bAtBegin=sal_False);
    SdrHdl* RemoveHdl(sal_uIntPtr nNum);
    void RemoveAllByKind(SdrHdlKind eKind);

    // Zuletzt eingefuegte Handles werden am ehesten getroffen
    // (wenn Handles uebereinander liegen).
    SdrHdl* IsHdlListHit(const Point& rPnt, sal_Bool bBack=sal_False, sal_Bool bNext=sal_False, SdrHdl* pHdl0=NULL) const;
    SdrHdl* GetHdl(SdrHdlKind eKind1) const;
};

////////////////////////////////////////////////////////////////////////////////////////////////////

class SVX_DLLPUBLIC SdrCropHdl : public SdrHdl
{
public:
    SdrCropHdl(const Point& rPnt, SdrHdlKind eNewKind);

protected:
    // create marker for this kind
    virtual void CreateB2dIAObject();

    BitmapEx GetBitmapForHandle( const BitmapEx& rBitmap, int nSize );

    static BitmapEx GetHandlesBitmap();
};

#endif //_SVDHDL_HXX

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */