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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
27class 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
40protected:
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
61
62protected:
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
68protected:
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
76public:
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: */
SdrDragMethod * GetDragMethod() const
Definition: svddrgv.hxx:105
const tools::Rectangle & GetWorkArea() const
Definition: svddrgv.hxx:210
void SetWorkArea(const tools::Rectangle &rRect)
Definition: svddrgv.hxx:209
bool mbDragLimit
Definition: svddrgv.hxx:50
OUString maInsPointUndoStr
Definition: svddrgv.hxx:45
bool mbFramDrag
Definition: svddrgv.hxx:48
SdrUndoGeoObj * mpInsPointUndo
Definition: svddrgv.hxx:43
bool IsDragWithCopy() const
Definition: svddrgv.hxx:113
bool IsNoDragXorPolys() const
Definition: svddrgv.hxx:152
bool IsInsGluePointMode() const
Definition: svddrgv.hxx:137
bool IsInsGluePoint() const
Definition: svddrgv.hxx:132
void SetDragWithCopy(bool bOn)
Definition: svddrgv.hxx:112
bool mbInsObjPointMode
Definition: svddrgv.hxx:58
SdrHdl * mpDragHdl
Definition: svddrgv.hxx:41
bool mbInsGluePoint
Definition: svddrgv.hxx:57
bool mbMarkedHitMovesAlways
Definition: svddrgv.hxx:49
bool mbSolidDragging
Definition: svddrgv.hxx:53
bool IsDragStripes() const
Definition: svddrgv.hxx:142
bool mbResizeAtCenter
Definition: svddrgv.hxx:54
bool IsInsertGluePoint() const
Definition: svddrgv.hxx:116
SdrHdlKind meDragHdl
Definition: svddrgv.hxx:46
bool IsDraggingGluePoints() const
Definition: svddrgv.hxx:107
tools::Rectangle maDragLimit
Definition: svddrgv.hxx:44
bool mbNoDragXorPolys
Definition: svddrgv.hxx:60
bool IsResizeAtCenter() const
Definition: svddrgv.hxx:189
void SetInsGluePointMode(bool bOn)
Definition: svddrgv.hxx:136
bool IsInsObjPoint() const
Definition: svddrgv.hxx:123
void SetInsObjPointMode(bool bOn)
Definition: svddrgv.hxx:127
void MovInsObjPoint(const Point &rPnt)
Definition: svddrgv.hxx:121
void SetResizeAtCenter(bool bOn)
Definition: svddrgv.hxx:190
bool BegInsObjPoint(const Point &rPnt, bool bNewObj)
Definition: svddrgv.hxx:120
bool mbDragHdl
Definition: svddrgv.hxx:51
static size_t GetDragXorPolyLimit()
Definition: svddrgv.hxx:157
bool mbDragStripes
Definition: svddrgv.hxx:52
void SetMarkedHitMovesAlways(bool bOn)
Definition: svddrgv.hxx:182
SdrHdl * GetDragHdl() const
Definition: svddrgv.hxx:104
bool mbInsGluePointMode
Definition: svddrgv.hxx:59
bool IsCrookAtCenter() const
Definition: svddrgv.hxx:194
bool IsInsObjPointMode() const
Definition: svddrgv.hxx:128
bool IsMarkedHitMovesAlways() const
Definition: svddrgv.hxx:183
bool mbCrookAtCenter
Definition: svddrgv.hxx:55
void SetCrookAtCenter(bool bOn)
Definition: svddrgv.hxx:195
void SetInsertGluePoint(bool bOn)
Definition: svddrgv.hxx:115
bool IsDraggingPoints() const
Definition: svddrgv.hxx:106
bool IsDragObj() const
Definition: svddrgv.hxx:103
bool mbDragWithCopy
Definition: svddrgv.hxx:56
std::unique_ptr< SdrDragMethod > mpCurrentSdrDragMethod
Definition: svddrgv.hxx:42
static size_t GetDragXorPointLimit()
Definition: svddrgv.hxx:163
bool mbInsPolyPoint
Definition: svdmrkv.hxx:125
virtual void SetMarkHandles(SfxViewShell *pOtherShell)
Definition: svdmrkv.cxx:1168
virtual void BrkAction() override
Definition: svdedxv.cxx:125
virtual void MovAction(const Point &rPnt) override
Definition: svdedxv.cxx:105
virtual bool IsAction() const override
Definition: svdedxv.cxx:103
virtual void EndAction() override
Definition: svdedxv.cxx:112
virtual void TakeActionRect(tools::Rectangle &rRect) const override
Definition: svdedxv.cxx:212
virtual void BckAction() override
Definition: svdedxv.cxx:119
tools::Rectangle maMaxWorkArea
Definition: svdpntv.hxx:141
Changing the geometry of an object.
Definition: svdundo.hxx:213
SdrHdlKind
Definition: svdhdl.hxx:53
SdrDragMode
Definition: svdtypes.hxx:34
SdrCreateCmd
Definition: svdtypes.hxx:27
#define SVXCORE_DLLPUBLIC
Definition: svxdllapi.h:35