chart2/source/controller/inc/SelectionHelper.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
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   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #pragma once
  20
  21 #include "DrawViewWrapper.hxx"
  22 #include <ObjectIdentifier.hxx>
  23
  24 class SdrObject;
  25
  26 namespace com::sun::star::drawing { class XShape; }
  27
  28 namespace chart
  29 {
  30
  31 class Selection
  32 {
  33 public: //methods
  34     bool hasSelection() const;
  35
  36     OUString const & getSelectedCID() const;
  37     css::uno::Reference< css::drawing::XShape > const & getSelectedAdditionalShape() const;
  38     const ObjectIdentifier& getSelectedOID() const { return m_aSelectedOID;}
  39
  40     bool isResizeableObjectSelected() const;
  41     bool isRotateableObjectSelected( const rtl::Reference<::chart::ChartModel>& xChartModel ) const;
  42     bool isTitleObjectSelected() const;
  43     bool isDragableObjectSelected() const;
  44
  45     bool isAdditionalShapeSelected() const;
  46
  47     //returns true if selection has changed
  48     bool setSelection( const OUString& rCID );
  49     bool setSelection( const css::uno::Reference< css::drawing::XShape >& xShape );
  50
  51     void clearSelection();
  52
  53     //returns true if the selection has changed
  54     bool maybeSwitchSelectionAfterSingleClickWasEnsured();
  55     void resetPossibleSelectionAfterSingleClickWasEnsured();
  56
  57     void remindSelectionBeforeMouseDown();
  58     bool isSelectionDifferentFromBeforeMouseDown() const;
  59
  60     void adaptSelectionToNewPos( const Point& rMousePos, DrawViewWrapper const * pDrawViewWrapper
  61                                        , bool bIsRightMouse, bool bWaitingForDoubleClick );
  62
  63     void applySelection( DrawViewWrapper* pDrawViewWrapper );
  64
  65 private: //member
  66     //the selection could be given by a CID or by a shape
  67     //if m_aSelectedObjectCID is not empty this indicates the selection
  68     //the content of m_xSelectedShape is ignored in that case
  69     //the strings are used for autogenerated chart specific objects
  70     //the shape reference is used for additional shapes
  71     ObjectIdentifier    m_aSelectedOID; //only single object selection so far
  72     ObjectIdentifier    m_aSelectedOID_beforeMouseDown;
  73     ObjectIdentifier    m_aSelectedOID_selectOnlyIfNoDoubleClickIsFollowing;
  74 };
  75
  76 class SelectionHelper final : public MarkHandleProvider
  77 {
  78 public:
  79     static bool             findNamedParent( SdrObject*& pInOutObject
  80                                 , OUString& rOutName
  81                                 , bool bGivenObjectMayBeResult );
  82     static bool             findNamedParent( SdrObject*& pInOutObject
  83                                 , ObjectIdentifier& rOutObject
  84                                 , bool bGivenObjectMayBeResult );
  85     static SdrObject*       getMarkHandlesObject( SdrObject* pObj );
  86     static E3dScene*        getSceneToRotate( SdrObject* pObj );
  87     static bool             isDragableObjectHitTwice( const Point& rMPos
  88                                 , const OUString& rNameOfSelectedObject
  89                                 , const DrawViewWrapper& rDrawViewWrapper );
  90
  91     static OUString getHitObjectCID(
  92         const Point& rMPos,
  93         DrawViewWrapper const & rDrawViewWrapper,
  94         bool bGetDiagramInsteadOf_Wall=false );
  95
  96     static bool isRotateableObject( std::u16string_view rCID
  97                     , const rtl::Reference<::chart::ChartModel>& xChartModel );
  98
  99     explicit SelectionHelper( SdrObject* pSelectedObj );
 100     virtual ~SelectionHelper();
 101
 102     //MarkHandleProvider:
 103     virtual bool getMarkHandles( SdrHdlList& rHdlList ) override;
 104     virtual bool getFrameDragSingles() override;
 105
 106     SdrObject*   getObjectToMark();//sets also internally the mark object
 107     //-> getMarkHandles will behave different if this method has found a Mark Object different from m_pSelectedObj
 108
 109 private:
 110     SdrObject*      m_pSelectedObj;//hit and logically selected object
 111     SdrObject*      m_pMarkObj;//object that is marked instead to have more pretty handles
 112 };
 113
 114 } //namespace chart
 115
 116 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */