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svddrgv.hxx
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19 
20 #ifndef INCLUDED_SVX_SVDDRGV_HXX
21 #define INCLUDED_SVX_SVDDRGV_HXX
22 
23 #include <svx/svxdllapi.h>
24 #include <svx/svdxcgv.hxx>
25 #include <memory>
26 
27 class SdrUndoGeoObj;
28 
30 {
31  friend class SdrPageView;
32  friend class SdrDragMethod;
33 
34  // See GetDragXorPolyLimit/GetDragXorPointLimit
35  enum : size_t {
36  eDragXorPolyLimit = 100,
37  eDragXorPointLimit = 500
38  };
39 
40 protected:
42  std::unique_ptr<SdrDragMethod> mpCurrentSdrDragMethod;
47 
48  bool mbFramDrag : 1; // currently frame dragging
49  bool mbMarkedHitMovesAlways : 1; // Persistent
50  bool mbDragLimit : 1; // Limit on SnapRect instead of BoundRect
51  bool mbDragHdl : 1; // TRUE: RefPt is slid
52  bool mbDragStripes : 1; // Persistent
53  bool mbSolidDragging : 1; // allow solid create/drag of objects
54  bool mbResizeAtCenter : 1;
55  bool mbCrookAtCenter : 1;
56  bool mbDragWithCopy : 1;
57  bool mbInsGluePoint : 1;
58  bool mbInsObjPointMode : 1;
59  bool mbInsGluePointMode : 1;
60  bool mbNoDragXorPolys : 1;
61 
62 protected:
63  virtual void SetMarkHandles(SfxViewShell* pOtherShell) override;
64  void ShowDragObj();
65  void HideDragObj();
66  bool ImpBegInsObjPoint(bool bIdxZwang, const Point& rPnt, bool bNewObj, OutputDevice* pOut);
67 
68 protected:
69  // #i71538# make constructors of SdrView sub-components protected to avoid incomplete incarnations which may get casted to SdrView
71  SdrModel& rSdrModel,
72  OutputDevice* pOut);
73 
74  virtual ~SdrDragView() override;
75 
76 public:
77  virtual bool IsAction() const override;
78  virtual void MovAction(const Point& rPnt) override;
79  virtual void EndAction() override;
80  virtual void BckAction() override;
81  virtual void BrkAction() override;
82  virtual void TakeActionRect(tools::Rectangle& rRect) const override;
83 
84  // special implementation for Writer:
85  // TakeDragObjAnchorPos() returns the position at which an object
86  // approximately ends up during dragging when it is "released"
87  // (EndDrag).
88  // As a general rule, this is the left upper corner of the expected
89  // new SnapRect. Exception: CaptionObj. There, it is the position
90  // of the "tail end".
91  // In case of return value 'false', the position could not be
92  // determined (e.g. point shift, multiple selection, shift of the
93  // mirror axis,...)
94  bool TakeDragObjAnchorPos(Point& rPos, bool bTopRight ) const;
95 
96  // If pForcedMeth is passed, then pHdl, ... is not evaluated, but this Drag
97  // method is used. In this, the ownership of the instance passes
98  // to the View and is destroyed at the end of the dragging.
99  virtual bool BegDragObj(const Point& rPnt, OutputDevice* pOut, SdrHdl* pHdl, short nMinMov=-3, SdrDragMethod* pForcedMeth=nullptr);
100  void MovDragObj(const Point& rPnt);
101  bool EndDragObj(bool bCopy=false);
102  void BrkDragObj();
103  bool IsDragObj() const { return mpCurrentSdrDragMethod && !mbInsPolyPoint && !mbInsGluePoint; }
104  SdrHdl* GetDragHdl() const { return mpDragHdl; }
105  SdrDragMethod* GetDragMethod() const { return mpCurrentSdrDragMethod.get(); }
106  bool IsDraggingPoints() const { return meDragHdl==SdrHdlKind::Poly; }
107  bool IsDraggingGluePoints() const { return meDragHdl==SdrHdlKind::Glue; }
108 
109  // If you want to define that already during BegDrag
110  // or in the middle.
111  // (Is reset to 'false' on each BegDrag, so set it after BegDrag.)
112  void SetDragWithCopy(bool bOn) { mbDragWithCopy = bOn; }
113  bool IsDragWithCopy() const { return mbDragWithCopy; }
114 
115  void SetInsertGluePoint(bool bOn) { mbInsGluePoint = bOn; }
116  bool IsInsertGluePoint() const { return mbInsGluePoint; }
117 
118  // Interactive insertion of a new point. nIdx=0 => in front of the first point
119  bool IsInsObjPointPossible() const;
120  bool BegInsObjPoint(const Point& rPnt, bool bNewObj) { return ImpBegInsObjPoint(false, rPnt, bNewObj, nullptr); }
121  void MovInsObjPoint(const Point& rPnt) { MovDragObj(rPnt); }
122  bool EndInsObjPoint(SdrCreateCmd eCmd);
123  bool IsInsObjPoint() const { return mpCurrentSdrDragMethod && mbInsPolyPoint; }
124 
125  // For the app to manage the status. GetPreferredPointer() is
126  // possibly going to deliver a matching pointer for it.
127  void SetInsObjPointMode(bool bOn) { mbInsObjPointMode = bOn; }
128  bool IsInsObjPointMode() const { return mbInsObjPointMode; }
129 
130  bool IsInsGluePointPossible() const;
131  bool BegInsGluePoint(const Point& rPnt);
132  bool IsInsGluePoint() const { return mpCurrentSdrDragMethod && mbInsGluePoint; }
133 
134  // For the app to manage the status. GetPreferredPointer() is
135  // possibly going to deliver a matching pointer for it.
136  void SetInsGluePointMode(bool bOn) { mbInsGluePointMode = bOn; }
137  bool IsInsGluePointMode() const { return mbInsGluePointMode; }
138 
139  // border lines over the whole win persistent during the
140  // whole dragging. Default=FALSE.
141  void SetDragStripes(bool bOn);
142  bool IsDragStripes() const { return mbDragStripes; }
143 
144  // As a general rule, the contours of the selected objects
145  // are displayed as Xor-polygons. If this flag is set, only one
146  // Xor-Frame is drawn (e.g. in case of multiple selection).
147  // In case of object-specific dragging (polygon points, corner radius,...),
148  // this setting has no influence.
149  // Also changeable during the dragging.
150  // Default=Off
151  void SetNoDragXorPolys(bool bOn);
152  bool IsNoDragXorPolys() const { return mbNoDragXorPolys; }
153 
154  // If the number of selected objects exceeds the value set here,
155  // NoDragPolys is (temporarily) activated implicitly.
156  // PolyPolygons etc. are regarded as multiple objects respectively.
157  static size_t GetDragXorPolyLimit() { return eDragXorPolyLimit; }
158 
159  // Like DragXorPolyLimit, but in respect to the total number of
160  // all polygons.
161  // NoDragPolys is (temporarily) activated, if one of the limits
162  // is exceeded.
163  static size_t GetDragXorPointLimit() { return eDragXorPointLimit; }
164 
165  void SetSolidDragging(bool bOn);
166  bool IsSolidDragging() const;
167 
168  // Connector handling is thus as follows (when using default settings):
169  // - If at most 10 Connectors are affected, they are recalculated
170  // on each MouseMove.
171  // - If 11 to 100 Connectors are affected, the connections
172  // are shown as straight lines while dragging.
173  // - In case of more than 100 affected Connectors, nothing that refers
174  // to the Connectors is drawn while dragging.
175 
176  // If a special drag mode like Rotate, Mirror or Crook is enabled,
177  // then a Hit on the selected object triggers exactly this dragging.
178  // If MarkedHitMovesAlways is set to 'true', a Hit on the selected
179  // object always triggers a Move, independent of the DragMode that is
180  // set. This flag is persistent and should be configurable in the app
181  // by the user!
182  void SetMarkedHitMovesAlways(bool bOn) { mbMarkedHitMovesAlways = bOn; }
183  bool IsMarkedHitMovesAlways() const { return mbMarkedHitMovesAlways; }
184 
185  bool IsOrthoDesired() const;
186 
187  // center as reference on Resize
188  // Default=FALSE.
189  bool IsResizeAtCenter() const { return mbResizeAtCenter; }
190  void SetResizeAtCenter(bool bOn) { mbResizeAtCenter = bOn; }
191 
192  // symmetric Crook
193  // Default=FALSE.
194  bool IsCrookAtCenter() const { return mbCrookAtCenter; }
195  void SetCrookAtCenter(bool bOn) { mbCrookAtCenter = bOn; }
196 
197  // Limitation of the working area. The limitation refers to the View,
198  // not to the single PageViews. This limitation is only evaluated by
199  // the View on interactions like Dragging and Create.
200  // In case of actions controlled by the app through algorithms or
201  // UI-controlled actions (SetGeoAttr, MoveMarkedObj, ...), the
202  // app must honor this limit itself.
203  // Furthermore, this limit is to be seen as a rough limit. In certain
204  // cases (e.g. while rotating), objects cannot be dragged exactly
205  // up to this limit, objects can overlap a bit because of rounding
206  // errors,...
207  // Default=EmptyRect=no limitation
208  // only partially implemented
209  void SetWorkArea(const tools::Rectangle& rRect) { maMaxWorkArea=rRect; }
210  const tools::Rectangle& GetWorkArea() const { return maMaxWorkArea; }
211 
212 
213  // The DragLimit refers to the Page of the object.
214  // (TODO or to the View?? - must be researched...)
215  // 'false' = no limit
216  // The return Rect must contain absolute coordinates. The maximum
217  // drag area is then selected by the View in a way that the object's
218  // SnapRect is moved or resized at most up to the corner of the
219  // LimitRect. For objects like Bezier curves, rotated rectangles,
220  // it must be taken into account that because of subsequent
221  // recalculation of the SnapRect (on Resize), rounding errors can
222  // occur, because of which the LimitRect might be exceeded by a
223  // very small extent...
224  // Implemented for Move and Resize
225  virtual bool TakeDragLimit(SdrDragMode eMode, tools::Rectangle& rRect) const;
226 };
227 
228 #endif // INCLUDED_SVX_SVDDRGV_HXX
229 
230 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
OUString maInsPointUndoStr
Definition: svddrgv.hxx:45
virtual void SetMarkHandles(SfxViewShell *pOtherShell)
Definition: svdmrkv.cxx:936
std::unique_ptr< SdrDragMethod > mpCurrentSdrDragMethod
Definition: svddrgv.hxx:42
virtual void BrkAction() override
Definition: svdedxv.cxx:119
bool mbInsPolyPoint
Definition: svdmrkv.hxx:126
SdrHdlKind
Definition: svdhdl.hxx:52
void MovInsObjPoint(const Point &rPnt)
Definition: svddrgv.hxx:121
SdrHdl * mpDragHdl
Definition: svddrgv.hxx:41
bool IsInsObjPoint() const
Definition: svddrgv.hxx:123
bool IsDraggingPoints() const
Definition: svddrgv.hxx:106
static size_t GetDragXorPointLimit()
Definition: svddrgv.hxx:163
bool IsInsObjPointMode() const
Definition: svddrgv.hxx:128
Changing the geometry of an object.
Definition: svdundo.hxx:207
tools::Rectangle maMaxWorkArea
Definition: svdpntv.hxx:142
SdrUndoGeoObj * mpInsPointUndo
Definition: svddrgv.hxx:43
bool IsResizeAtCenter() const
Definition: svddrgv.hxx:189
bool IsDraggingGluePoints() const
Definition: svddrgv.hxx:107
SdrHdlKind meDragHdl
Definition: svddrgv.hxx:46
void SetInsertGluePoint(bool bOn)
Definition: svddrgv.hxx:115
void SetDragWithCopy(bool bOn)
Definition: svddrgv.hxx:112
void SetResizeAtCenter(bool bOn)
Definition: svddrgv.hxx:190
virtual void BckAction() override
Definition: svdedxv.cxx:113
SdrDragMethod * GetDragMethod() const
Definition: svddrgv.hxx:105
bool IsInsGluePoint() const
Definition: svddrgv.hxx:132
virtual void TakeActionRect(tools::Rectangle &rRect) const override
Definition: svdedxv.cxx:200
void SetInsObjPointMode(bool bOn)
Definition: svddrgv.hxx:127
void SetCrookAtCenter(bool bOn)
Definition: svddrgv.hxx:195
bool IsCrookAtCenter() const
Definition: svddrgv.hxx:194
SdrHdl * GetDragHdl() const
Definition: svddrgv.hxx:104
tools::Rectangle maDragLimit
Definition: svddrgv.hxx:44
bool IsInsGluePointMode() const
Definition: svddrgv.hxx:137
SdrDragMode
Definition: svdtypes.hxx:34
void SetInsGluePointMode(bool bOn)
Definition: svddrgv.hxx:136
#define SVXCORE_DLLPUBLIC
Definition: svxdllapi.h:35
void SetWorkArea(const tools::Rectangle &rRect)
Definition: svddrgv.hxx:209
static size_t GetDragXorPolyLimit()
Definition: svddrgv.hxx:157
bool IsDragObj() const
Definition: svddrgv.hxx:103
bool BegInsObjPoint(const Point &rPnt, bool bNewObj)
Definition: svddrgv.hxx:120
bool IsMarkedHitMovesAlways() const
Definition: svddrgv.hxx:183
bool IsNoDragXorPolys() const
Definition: svddrgv.hxx:152
bool IsDragStripes() const
Definition: svddrgv.hxx:142
SdrCreateCmd
Definition: svdtypes.hxx:27
bool IsInsertGluePoint() const
Definition: svddrgv.hxx:116
bool IsDragWithCopy() const
Definition: svddrgv.hxx:113
const tools::Rectangle & GetWorkArea() const
Definition: svddrgv.hxx:210
void SetMarkedHitMovesAlways(bool bOn)
Definition: svddrgv.hxx:182
virtual void EndAction() override
Definition: svdedxv.cxx:106
virtual void MovAction(const Point &rPnt) override
Definition: svdedxv.cxx:99
virtual bool IsAction() const override
Definition: svdedxv.cxx:97