edtwin.hxx

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/* -*- 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_SW_SOURCE_UIBASE_INC_EDTWIN_HXX
#define INCLUDED_SW_SOURCE_UIBASE_INC_EDTWIN_HXX

#include <o3tl/deleter.hxx>
#include <sot/exchange.hxx>
#include <svx/svdobj.hxx>
#include <tools/link.hxx>
#include <vcl/timer.hxx>
#include <vcl/window.hxx>
#include <vcl/transfer.hxx>
#include <swevent.hxx>
#include <swtypes.hxx>

class   SwWrtShell;
class   SwView;
class   SwRect;
class   SwViewShell;
class   SwAnchorMarker;
class   SdrObject;
class   SwShadowCursor;
class   DataChangedEvent;
class   SvxAutoCorrCfg;
class   SvxAutoCorrect;
class   SwPaM;
struct  SwApplyTemplate;
struct  QuickHelpData;
class   SdrDropMarkerOverlay;
class   SwFrameControlsManager;
enum class SdrHitKind;

// input window

class SW_DLLPUBLIC SwEditWin final : public vcl::Window,
                public DropTargetHelper, public DragSourceHelper
{
    static  QuickHelpData* m_pQuickHlpData;

    static  long    m_nDDStartPosX;
    static  long    m_nDDStartPosY;

    Color m_aWaterCanTextColor;     // text color; for the watering can
    Color m_aWaterCanTextBackColor; // text background; for the watering can

    /*
     * timer and handler for scrolling on when the mousepointer
     * stops outside of EditWin during a drag-operation.
     * The selection is increased towards the mouse position
     * regularly.
     */
    AutoTimer       m_aTimer;
    // timer for ANY-KeyInput question without a following KeyInputEvent
    Timer           m_aKeyInputFlushTimer;

    OUString        m_aInBuffer;
    LanguageType    m_eBufferLanguage;
    Point           m_aStartPos;
    Point           m_aMovePos;
    Point           m_aRszMvHdlPt;
    Timer           m_aTemplateTimer;

    // type/object where the mouse pointer is
    SwCallMouseEvent m_aSaveCallEvent;

    std::unique_ptr<SwApplyTemplate>      m_pApplyTempl;
    std::unique_ptr<SwAnchorMarker>       m_pAnchorMarker; // for relocating the anchor

    std::unique_ptr<SdrDropMarkerOverlay> m_pUserMarker;
    SdrObject               *m_pUserMarkerObj;
    std::unique_ptr<SwShadowCursor, o3tl::default_delete<SwShadowCursor>> m_pShadCursor;
    o3tl::optional<Point>                m_xRowColumnSelectionStart; // save position where table row/column selection has been started

    SwView         &m_rView;

    SdrHitKind      m_aActHitType;    // current mouse pointer

    SotClipboardFormatId m_nDropFormat;  // format from the last QueryDrop
    sal_uInt8       m_nDropAction;       // action from the last QueryDrop
    SotExchangeDest m_nDropDestination;  // destination from the last QueryDrop

    sal_uInt16      m_eBezierMode;
    sal_uInt16      m_nInsFrameColCount; // column number for interactive frame
    SdrObjKind      m_eDrawMode;
    bool        m_bMBPressed      : 1,
                    m_bInsDraw        : 1,
                    m_bInsFrame         : 1,
                    m_bIsInMove       : 1,
                    m_bIsInDrag       : 1, // don't execute StartExecuteDrag twice
                    m_bOldIdle        : 1, // to stop to idle
                    m_bOldIdleSet     : 1, // during QeueryDrop
                    m_bChainMode      : 1, // connect frames
                    m_bWasShdwCursor    : 1, // ShadowCursor was on in MouseButtonDown
                    m_bLockInput      : 1, // lock while calc panel is active
                    m_bIsRowDrag      : 1, //selection of rows is used, in combination with m_pRowColumnSelectionStart
                    m_bUseInputLanguage: 1,
                    m_bObjectSelect   : 1;

    sal_uInt16          m_nKS_NUMDOWN_Count; // #i23725#
    sal_uInt16          m_nKS_NUMINDENTINC_Count;

    std::unique_ptr<SwFrameControlsManager> m_pFrameControlsManager;

    void            LeaveArea(const Point &);
    void            JustifyAreaTimer();
    inline void     EnterArea();

    void            RstMBDownFlags();

    void            ChangeFly( sal_uInt8 nDir, bool bWeb );
    void            ChangeDrawing( sal_uInt8 nDir );

    bool            EnterDrawMode(const MouseEvent& rMEvt, const Point& aDocPos);
    bool            RulerColumnDrag( const MouseEvent& rMEvt, bool bVerticalMode);

    // helper function for D&D
    void            DropCleanup();
    void            CleanupDropUserMarker();
    SotExchangeDest GetDropDestination( const Point& rPixPnt,
                                        SdrObject ** ppObj = nullptr );
    //select the object/cursor at the mouse position of the context menu request
    void            SelectMenuPosition(SwWrtShell& rSh, const Point& rMousePos );

    /*
     * handler for scrolling on when the mousepointer
     * stops outside of EditWin during a drag-operation.
     * The selection is regularly increased towards the mouse
     * position.
     */
    DECL_LINK( TimerHandler, Timer *, void );
    void            StartDDTimer();
    void            StopDDTimer(SwWrtShell *, const Point &);
    DECL_LINK( DDHandler, Timer *, void );

    // timer for ANY-KeyInut question without a following KeyInputEvent
    DECL_LINK( KeyInputFlushHandler, Timer *, void );

    // timer for ApplyTemplates via mouse (in disguise Drag&Drop)
    DECL_LINK( TemplateTimerHdl, Timer *, void );

    void            MoveCursor( SwWrtShell &rSh, const Point& rDocPos,
                                const bool bOnlyText, bool bLockView );

    virtual void    DataChanged( const DataChangedEvent& ) override;
    virtual void    PrePaint(vcl::RenderContext& rRenderContext) override;
    virtual void    Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) override;

    virtual void    GetFocus() override;
    virtual void    LoseFocus() override;

    bool changeMousePointer(Point const & rDocPoint);

    virtual void    MouseMove(const MouseEvent& rMEvt) override;
    virtual void    MouseButtonDown(const MouseEvent& rMEvt) override;
    virtual void    MouseButtonUp(const MouseEvent& rMEvt) override;
    virtual void    RequestHelp(const HelpEvent& rEvt) override;

                                // Drag & Drop Interface
    virtual sal_Int8    AcceptDrop( const AcceptDropEvent& rEvt ) override;
    virtual sal_Int8    ExecuteDrop( const ExecuteDropEvent& rEvt ) override;
    virtual void        StartDrag( sal_Int8 nAction, const Point& rPosPixel ) override;

    virtual OUString GetSurroundingText() const override;
    virtual Selection GetSurroundingTextSelection() const override;

    void ShowAutoCorrectQuickHelp(const OUString& rWord, SvxAutoCorrect& rACorr);
    bool ShowAutoText(const std::vector<OUString>& rChunkCandidates);

    bool    IsInHeaderFooter( const Point &rDocPt, FrameControlType &rControl ) const;

    bool    IsOverHeaderFooterFly( const Point& rDocPos, FrameControlType& rControl, bool& bOverFly, bool& bPageAnchored ) const;

public:
    virtual void    KeyInput(const KeyEvent &rKEvt) override;
    void            UpdatePointer(const Point &, sal_uInt16 nButtons = 0);

    bool            IsDrawSelMode() const;
    bool            IsDrawAction() const            { return m_bInsDraw; }
    void            SetDrawAction(bool bFlag)       { m_bInsDraw = bFlag; }

    void            SetObjectSelect( bool bVal )    { m_bObjectSelect = bVal; }
    bool            IsObjectSelect() const          { return m_bObjectSelect; }

    SdrObjKind   GetSdrDrawMode() const { return m_eDrawMode; }
    void         SetSdrDrawMode( SdrObjKind eSdrObjectKind ) { m_eDrawMode = eSdrObjectKind; SetObjectSelect( false ); }
    void                StdDrawMode( SdrObjKind eSdrObjectKind, bool bObjSelect );

    bool            IsFrameAction() const             { return m_bInsFrame; }
    sal_uInt16      GetBezierMode() const           { return m_eBezierMode; }
    void            SetBezierMode(sal_uInt16 eBezMode)  { m_eBezierMode = eBezMode; }
    void            EnterDrawTextMode(const Point& aDocPos); // turn on DrawTextEditMode
    void            InsFrame(sal_uInt16 nCols);
    void            StopInsFrame();
    sal_uInt16      GetFrameColCount() const {return m_nInsFrameColCount;} // column number for interactive frame

    void            SetChainMode( bool bOn );
    bool            IsChainMode() const             { return m_bChainMode; }

    void            FlushInBuffer();
    static bool     IsInputSequenceCheckingRequired( const OUString &rText, const SwPaM& rCursor );

    void             SetApplyTemplate(const SwApplyTemplate &);
    SwApplyTemplate* GetApplyTemplate() const { return m_pApplyTempl.get(); }

    void            StartExecuteDrag();
    void            DragFinished();

    void         SetWaterCanTextColor(const Color& rCol ) { m_aWaterCanTextColor = rCol; }

    void         SetWaterCanTextBackColor(const Color& rCol ) { m_aWaterCanTextBackColor = rCol; }

    void            LockKeyInput(bool bSet){m_bLockInput = bSet;}

    const SwView &GetView() const { return m_rView; }
          SwView &GetView()       { return m_rView; }

    virtual css::uno::Reference< css::accessibility::XAccessible > CreateAccessible() override;

    static long GetDDStartPosX() { return m_nDDStartPosX; }
    static long GetDDStartPosY() { return m_nDDStartPosY; }

    static void InitStaticData();
    static void FinitStaticData();

    //#i3370# remove quick help to prevent saving of autocorrection suggestions
    void StopQuickHelp();

    // #i42921# - add parameter <bVerticalMode>
    bool RulerMarginDrag( const MouseEvent& rMEvt,
                                     const bool bVerticalMode );

    void    SetUseInputLanguage( bool bNew );
    bool    IsUseInputLanguage() const { return m_bUseInputLanguage; }

    OUString ClipLongToolTip(const OUString& rText);

    SwFrameControlsManager& GetFrameControlsManager();

    SwEditWin(vcl::Window *pParent, SwView &);
    virtual ~SwEditWin() override;
    virtual void dispose() override;

    virtual void    Command( const CommandEvent& rCEvt ) override;

    void LogicInvalidate(const tools::Rectangle* pRectangle) override;
    virtual void LogicMouseButtonDown(const MouseEvent& rMouseEvent) override;
    virtual void LogicMouseButtonUp(const MouseEvent& rMouseEvent) override;
    virtual void LogicMouseMove(const MouseEvent& rMouseEvent) override;
    void SetCursorTwipPosition(const Point& rPosition, bool bPoint, bool bClearMark);
    void SetGraphicTwipPosition(bool bStart, const Point& rPosition);

    virtual FactoryFunction GetUITestFactory() const override;
};

extern bool g_bFrameDrag;
extern bool g_bDDTimerStarted;
extern bool g_bFlushCharBuffer;
extern bool g_bDDINetAttr;

#endif

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