sw/inc/viscrs.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.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   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 #ifndef INCLUDED_SW_INC_VISCRS_HXX
  20 #define INCLUDED_SW_INC_VISCRS_HXX
  21
  22 #include <config_feature_desktop.h>
  23
  24 #include <vcl/cursor.hxx>
  25 #include "swcrsr.hxx"
  26 #include "swrect.hxx"
  27 #include "swregion.hxx"
  28 #include "swdllapi.h"
  29
  30 namespace sdr::overlay { class OverlayObject; }
  31
  32 class SwCursorShell;
  33 class SfxViewShell;
  34
  35 // From here classes/methods for non-text cursor.
  36
  37 class SW_DLLPUBLIC SwVisibleCursor
  38 {
  39     friend void InitCore();
  40     friend void FinitCore();
  41
  42     bool m_bIsVisible;
  43     bool m_bIsDragCursor;
  44
  45     vcl::Cursor m_aTextCursor;
  46     const SwCursorShell* m_pCursorShell;
  47
  48     /// For LibreOfficeKit only - remember what page we were at the last time.
  49     sal_uInt16 m_nPageLastTime;
  50
  51 public:
  52     SwVisibleCursor( const SwCursorShell * pCShell );
  53     ~SwVisibleCursor();
  54
  55     void Show();
  56     void Hide();
  57
  58     bool IsVisible() const { return m_bIsVisible; }
  59     void SetDragCursor( bool bFlag = true ) { m_bIsDragCursor = bFlag; }
  60     void SetPosAndShow(SfxViewShell const * pViewShell);
  61     const vcl::Cursor& GetTextCursor() const;
  62 };
  63
  64 // From here classes/methods for selections.
  65
  66 namespace sw::overlay { class OverlayRangesOutline; }
  67 class MapMode;
  68
  69 class SwSelPaintRects : public SwRects
  70 {
  71     friend void InitCore();
  72     friend void FinitCore();
  73
  74     static tools::Long s_nPixPtX, s_nPixPtY;
  75     static MapMode *s_pMapMode;
  76
  77     const SwCursorShell* m_pCursorShell;
  78
  79 #if HAVE_FEATURE_DESKTOP || defined(ANDROID)
  80     std::unique_ptr<sdr::overlay::OverlayObject> m_pCursorOverlay;
  81 #endif
  82
  83     bool m_bShowTextInputFieldOverlay;
  84     std::unique_ptr<sw::overlay::OverlayRangesOutline> m_pTextInputFieldOverlay;
  85
  86     void HighlightInputField();
  87
  88 public:
  89     SwSelPaintRects( const SwCursorShell& rCSh );
  90     virtual ~SwSelPaintRects();
  91
  92     virtual void FillRects() = 0;
  93     /// Fill rStart and rEnd with a rectangle that represents the start and end for selection handles.
  94     virtual void FillStartEnd(SwRect& rStart, SwRect& rEnd) const = 0;
  95
  96     // #i75172# in SwCursorShell::CreateCursor() the content of SwSelPaintRects is exchanged. To
  97     // make a complete swap access to m_pCursorOverlay is needed there
  98     void swapContent(SwSelPaintRects& rSwap);
  99
 100     void Show(std::vector<OString>* pSelectionRectangles = nullptr);
 101     void Hide();
 102     void Invalidate( const SwRect& rRect );
 103
 104     void SetShowTextInputFieldOverlay( const bool bShow )
 105     {
 106         m_bShowTextInputFieldOverlay = bShow;
 107     }
 108
 109     const SwCursorShell* GetShell() const { return m_pCursorShell; }
 110     // check current MapMode of the shell and set possibly the static members.
 111     // Optional set the parameters pX, pY
 112     static void Get1PixelInLogic( const SwViewShell& rSh,
 113                                     tools::Long* pX = nullptr, tools::Long* pY = nullptr );
 114 };
 115
 116 class SW_DLLPUBLIC SwShellCursor : public virtual SwCursor, public SwSelPaintRects
 117 {
 118 private:
 119     // Document positions of start/end characters of a SSelection.
 120     Point m_MarkPt;
 121     Point m_PointPt;
 122     const SwPosition* m_pInitialPoint; // For assignment of GetPoint() to m_PointPt.
 123
 124     using SwCursor::UpDown;
 125
 126 public:
 127     SwShellCursor( const SwCursorShell& rCursorSh, const SwPosition &rPos );
 128     SwShellCursor( const SwCursorShell& rCursorSh, const SwPosition &rPos,
 129                     const Point& rPtPos, SwPaM* pRing );
 130     // note: *intentionally* links the new shell cursor into the old one's Ring
 131     SwShellCursor( SwShellCursor& );
 132     virtual ~SwShellCursor() override;
 133
 134     virtual void FillRects() override;   // For Table- and normal cursors.
 135     /// @see SwSelPaintRects::FillStartEnd(), override for text selections.
 136     virtual void FillStartEnd(SwRect& rStart, SwRect& rEnd) const override;
 137
 138     void Show(SfxViewShell const * pViewShell); // Update and display all selections.
 139     void Hide();            // Hide all selections.
 140     void Invalidate( const SwRect& rRect );
 141
 142     const Point& GetPtPos() const   { return (SwPaM::GetPoint() == m_pInitialPoint) ? m_PointPt : m_MarkPt; }
 143           Point& GetPtPos()         { return (SwPaM::GetPoint() == m_pInitialPoint) ? m_PointPt : m_MarkPt; }
 144     const Point& GetMkPos() const   { return (SwPaM::GetMark() == m_pInitialPoint) ? m_PointPt : m_MarkPt; }
 145           Point& GetMkPos()         { return (SwPaM::GetMark() == m_pInitialPoint) ? m_PointPt : m_MarkPt; }
 146     const Point& GetSttPos() const  { return (SwPaM::Start() == m_pInitialPoint) ? m_PointPt : m_MarkPt; }
 147           Point& GetSttPos()        { return (SwPaM::Start() == m_pInitialPoint) ? m_PointPt : m_MarkPt; }
 148     const Point& GetEndPos() const  { return (SwPaM::End() == m_pInitialPoint) ? m_PointPt : m_MarkPt; }
 149           Point& GetEndPos()        { return (SwPaM::End() == m_pInitialPoint) ? m_PointPt : m_MarkPt; }
 150
 151     virtual void SetMark() override;
 152
 153     virtual SwCursor* Create( SwPaM* pRing = nullptr ) const override;
 154
 155     virtual short MaxReplaceArived() override; //returns RET_YES/RET_CANCEL/RET_NO
 156     virtual void SaveTableBoxContent( const SwPosition* pPos ) override;
 157
 158     bool UpDown( bool bUp, sal_uInt16 nCnt );
 159
 160     // true: Cursor can be set to this position.
 161     virtual bool IsAtValidPos( bool bPoint = true ) const override;
 162
 163     virtual bool IsReadOnlyAvailable() const override;
 164
 165     SwShellCursor* GetNext()             { return dynamic_cast<SwShellCursor *>(GetNextInRing()); }
 166     const SwShellCursor* GetNext() const { return dynamic_cast<SwShellCursor const *>(GetNextInRing()); }
 167     SwShellCursor* GetPrev()             { return dynamic_cast<SwShellCursor *>(GetPrevInRing()); }
 168     const SwShellCursor* GetPrev() const { return dynamic_cast<SwShellCursor const *>(GetPrevInRing()); }
 169 };
 170
 171 class SwShellTableCursor final : public virtual SwShellCursor, public virtual SwTableCursor
 172 {
 173     /// Left edge of the selection start (top left cell).
 174     SwRect m_aStart;
 175     /// Right edge of the selection end (bottom right cell).
 176     SwRect m_aEnd;
 177     // The Selection has the same order as the table boxes, i.e.
 178     // if something is deleted from the one array at a certain position
 179     // it has to be deleted from the other one as well!!
 180
 181 public:
 182     SwShellTableCursor( const SwCursorShell& rCursorSh, const SwPosition& rPos );
 183     SwShellTableCursor( const SwCursorShell& rCursorSh,
 184                     const SwPosition &rMkPos, const Point& rMkPt,
 185                     const SwPosition &rPtPos, const Point& rPtPt );
 186     virtual ~SwShellTableCursor() override;
 187
 188     virtual void FillRects() override;   // For table and normal cursor.
 189     /// @see SwSelPaintRects::FillStartEnd(), override for table selections.
 190     virtual void FillStartEnd(SwRect& rStart, SwRect& rEnd) const override;
 191
 192     // Check if SPoint is within table SSelection.
 193     bool IsInside( const Point& rPt ) const;
 194
 195     virtual void SetMark() override;
 196     virtual SwCursor* Create( SwPaM* pRing = nullptr ) const override;
 197
 198     virtual short MaxReplaceArived() override; //returns RET_YES/RET_CANCEL/RET_NO
 199     virtual void SaveTableBoxContent( const SwPosition* pPos ) override;
 200
 201     // true: Cursor can be set to this position.
 202     virtual bool IsAtValidPos( bool bPoint = true ) const override;
 203
 204     SwShellTableCursor* GetNext()             { return dynamic_cast<SwShellTableCursor *>(GetNextInRing()); }
 205     const SwShellTableCursor* GetNext() const { return dynamic_cast<SwShellTableCursor const *>(GetNextInRing()); }
 206     SwShellTableCursor* GetPrev()             { return dynamic_cast<SwShellTableCursor *>(GetPrevInRing()); }
 207     const SwShellTableCursor* GetPrev() const { return dynamic_cast<SwShellTableCursor const *>(GetPrevInRing()); }
 208 };
 209
 210 #endif // INCLUDED_SW_INC_VISCRS_HXX
 211
 212 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */