Adding upstream version 4:24.2.0.upstream/4%24.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 234 insertions, 0 deletions

diff --git a/include/svx/svddrgv.hxx b/include/svx/svddrgv.hxx
new file mode 100644
index 0000000000..2fb7543e09
--- /dev/null
+++ b/include/svx/svddrgv.hxx
@@ -0,0 +1,234 @@
+/* -*- 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_SVDDRGV_HXX
+#define INCLUDED_SVX_SVDDRGV_HXX
+
+#include <svx/svxdllapi.h>
+#include <svx/svdxcgv.hxx>
+#include <memory>
+
+class SdrUndoGeoObj;
+
+class SVXCORE_DLLPUBLIC SdrDragView : public SdrExchangeView
+{
+    friend class                SdrPageView;
+    friend class                SdrDragMethod;
+
+    // See GetDragXorPolyLimit/GetDragXorPointLimit
+    enum : size_t {
+        eDragXorPolyLimit = 100,
+        eDragXorPointLimit = 500
+    };
+
+protected:
+    SdrHdl*                     mpDragHdl;
+    std::unique_ptr<SdrDragMethod> mpCurrentSdrDragMethod;
+    SdrUndoGeoObj*              mpInsPointUndo;
+    tools::Rectangle            maDragLimit;
+    OUString                    maInsPointUndoStr;
+    SdrHdlKind                  meDragHdl;
+    sal_Int32                   mnDragThresholdPixels;
+
+    bool mbFramDrag : 1;        // currently frame dragging
+    bool mbMarkedHitMovesAlways : 1; // Persistent
+    bool mbDragLimit : 1;      // Limit on SnapRect instead of BoundRect
+    bool mbDragHdl : 1;        // TRUE: RefPt is slid
+    bool mbDragStripes : 1;    // Persistent
+    bool mbSolidDragging : 1;  // allow solid create/drag of objects
+    bool mbResizeAtCenter : 1;
+    bool mbCrookAtCenter : 1;
+    bool mbDragWithCopy : 1;
+    bool mbInsGluePoint : 1;
+    bool mbInsObjPointMode : 1;
+    bool mbInsGluePointMode : 1;
+    bool mbNoDragXorPolys : 1;
+
+protected:
+    virtual void SetMarkHandles(SfxViewShell* pOtherShell) override;
+    void ShowDragObj();
+    void HideDragObj();
+    bool ImpBegInsObjPoint(bool bIdxZwang, const Point& rPnt, bool bNewObj, OutputDevice* pOut);
+
+protected:
+    // #i71538# make constructors of SdrView sub-components protected to avoid incomplete incarnations which may get casted to SdrView
+    SdrDragView(
+        SdrModel& rSdrModel,
+        OutputDevice* pOut);
+
+    virtual ~SdrDragView() override;
+
+public:
+    virtual bool IsAction() const override;
+    virtual void MovAction(const Point& rPnt) override;
+    virtual void EndAction() override;
+    virtual void BckAction() override;
+    virtual void BrkAction() override;
+    virtual void TakeActionRect(tools::Rectangle& rRect) const override;
+
+    // special implementation for Writer:
+    // TakeDragObjAnchorPos() returns the position at which an object
+    // approximately ends up during dragging when it is "released"
+    // (EndDrag).
+    // As a general rule, this is the left upper corner of the expected
+    // new SnapRect. Exception: CaptionObj. There, it is the position
+    // of the "tail end".
+    // In case of return value 'false', the position could not be
+    // determined (e.g. point shift, multiple selection, shift of the
+    // mirror axis,...)
+    bool TakeDragObjAnchorPos(Point& rPos, bool bTopRight ) const;
+
+    // If pForcedMeth is passed, then pHdl, ... is not evaluated, but this Drag
+    // method is used. In this, the ownership of the instance passes
+    // to the View and is destroyed at the end of the dragging.
+    virtual bool BegDragObj(const Point& rPnt, OutputDevice* pOut, SdrHdl* pHdl, short nMinMov=-3, SdrDragMethod* pForcedMeth=nullptr);
+    void MovDragObj(const Point& rPnt);
+    bool EndDragObj(bool bCopy=false);
+    void BrkDragObj();
+    bool IsDragObj() const { return mpCurrentSdrDragMethod && !mbInsPolyPoint && !mbInsGluePoint; }
+    SdrHdl* GetDragHdl() const { return mpDragHdl; }
+    SdrDragMethod* GetDragMethod() const { return mpCurrentSdrDragMethod.get(); }
+    bool IsDraggingPoints() const { return meDragHdl==SdrHdlKind::Poly; }
+    bool IsDraggingGluePoints() const { return meDragHdl==SdrHdlKind::Glue; }
+
+    // If you want to define that already during BegDrag
+    // or in the middle.
+    // (Is reset to 'false' on each BegDrag, so set it after BegDrag.)
+    void SetDragWithCopy(bool bOn) { mbDragWithCopy = bOn; }
+    bool IsDragWithCopy() const { return mbDragWithCopy; }
+
+    void SetDragThresholdPixels(sal_Int32 nDragThresholdPixels) { mnDragThresholdPixels = nDragThresholdPixels; }
+    sal_Int32 GetDragThresholdPixels() const { return mnDragThresholdPixels; }
+
+    void SetInsertGluePoint(bool bOn) { mbInsGluePoint = bOn; }
+    bool IsInsertGluePoint() const { return mbInsGluePoint; }
+
+    // Interactive insertion of a new point. nIdx=0 => in front of the first point
+    bool IsInsObjPointPossible() const;
+    bool BegInsObjPoint(const Point& rPnt, bool bNewObj) { return ImpBegInsObjPoint(false, rPnt, bNewObj, nullptr); }
+    void MovInsObjPoint(const Point& rPnt) { MovDragObj(rPnt); }
+    bool EndInsObjPoint(SdrCreateCmd eCmd);
+    bool IsInsObjPoint() const { return mpCurrentSdrDragMethod && mbInsPolyPoint; }
+
+    // For the app to manage the status. GetPreferredPointer() is
+    // possibly going to deliver a matching pointer for it.
+    void SetInsObjPointMode(bool bOn) { mbInsObjPointMode = bOn; }
+    bool IsInsObjPointMode() const { return mbInsObjPointMode; }
+
+    bool IsInsGluePointPossible() const;
+    bool BegInsGluePoint(const Point& rPnt);
+    bool IsInsGluePoint() const { return mpCurrentSdrDragMethod && mbInsGluePoint; }
+
+    // For the app to manage the status. GetPreferredPointer() is
+    // possibly going to deliver a matching pointer for it.
+    void SetInsGluePointMode(bool bOn) { mbInsGluePointMode = bOn; }
+    bool IsInsGluePointMode() const { return mbInsGluePointMode; }
+
+    // border lines over the whole win persistent during the
+    // whole dragging. Default=FALSE.
+    void SetDragStripes(bool bOn);
+    bool IsDragStripes() const { return mbDragStripes; }
+
+    // As a general rule, the contours of the selected objects
+    // are displayed as Xor-polygons. If this flag is set, only one
+    // Xor-Frame is drawn (e.g. in case of multiple selection).
+    // In case of object-specific dragging (polygon points, corner radius,...),
+    // this setting has no influence.
+    // Also changeable during the dragging.
+    // Default=Off
+    void SetNoDragXorPolys(bool bOn);
+    bool IsNoDragXorPolys() const { return mbNoDragXorPolys; }
+
+    // If the number of selected objects exceeds the value set here,
+    // NoDragPolys is (temporarily) activated implicitly.
+    // PolyPolygons etc. are regarded as multiple objects respectively.
+    static size_t GetDragXorPolyLimit() { return eDragXorPolyLimit; }
+
+    // Like DragXorPolyLimit, but in respect to the total number of
+    // all polygons.
+    // NoDragPolys is (temporarily) activated, if one of the limits
+    // is exceeded.
+    static size_t GetDragXorPointLimit() { return eDragXorPointLimit; }
+
+    void SetSolidDragging(bool bOn);
+    bool IsSolidDragging() const;
+
+    // Connector handling is thus as follows (when using default settings):
+    // - If at most 10 Connectors are affected, they are recalculated
+    //   on each MouseMove.
+    // - If 11 to 100 Connectors are affected, the connections
+    //   are shown as straight lines while dragging.
+    // - In case of more than 100 affected Connectors, nothing that refers
+    //   to the Connectors is drawn while dragging.
+
+    // If a special drag mode like Rotate, Mirror or Crook is enabled,
+    // then a Hit on the selected object triggers exactly this dragging.
+    // If MarkedHitMovesAlways is set to 'true', a Hit on the selected
+    // object always triggers a Move, independent of the DragMode that is
+    // set. This flag is persistent and should be configurable in the app
+    // by the user!
+    void SetMarkedHitMovesAlways(bool bOn) { mbMarkedHitMovesAlways = bOn; }
+    bool IsMarkedHitMovesAlways() const { return mbMarkedHitMovesAlways; }
+
+    bool IsOrthoDesired() const;
+
+    // center as reference on Resize
+    // Default=FALSE.
+    bool IsResizeAtCenter() const { return mbResizeAtCenter; }
+    void SetResizeAtCenter(bool bOn) { mbResizeAtCenter = bOn; }
+
+    // symmetric Crook
+    // Default=FALSE.
+    bool IsCrookAtCenter() const { return mbCrookAtCenter; }
+    void SetCrookAtCenter(bool bOn) { mbCrookAtCenter = bOn; }
+
+    // Limitation of the working area. The limitation refers to the View,
+    // not to the single PageViews. This limitation is only evaluated by
+    // the View on interactions like Dragging and Create.
+    // In case of actions controlled by the app through algorithms or
+    // UI-controlled actions (SetGeoAttr, MoveMarkedObj, ...), the
+    // app must honor this limit itself.
+    // Furthermore, this limit is to be seen as a rough limit. In certain
+    // cases (e.g. while rotating), objects cannot be dragged exactly
+    // up to this limit, objects can overlap a bit because of rounding
+    // errors,...
+    // Default=EmptyRect=no limitation
+    // only partially implemented
+    void SetWorkArea(const tools::Rectangle& rRect) { maMaxWorkArea=rRect; }
+    const tools::Rectangle& GetWorkArea() const { return maMaxWorkArea; }
+
+
+    // The DragLimit refers to the Page of the object.
+    // (TODO or to the View?? - must be researched...)
+    // 'false' = no limit
+    // The return Rect must contain absolute coordinates. The maximum
+    // drag area is then selected by the View in a way that the object's
+    // SnapRect is moved or resized at most up to the corner of the
+    // LimitRect. For objects like Bezier curves, rotated rectangles,
+    // it must be taken into account that because of subsequent
+    // recalculation of the SnapRect (on Resize), rounding errors can
+    // occur, because of which the LimitRect might be exceeded by a
+    // very small extent...
+    // Implemented for Move and Resize
+    virtual bool TakeDragLimit(SdrDragMode eMode, tools::Rectangle& rRect) const;
+};
+
+#endif // INCLUDED_SVX_SVDDRGV_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */