sw/source/uibase/inc/srcedtw.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_SOURCE_UIBASE_INC_SRCEDTW_HXX
  20 #define INCLUDED_SW_SOURCE_UIBASE_INC_SRCEDTW_HXX
  21
  22 #include <vcl/window.hxx>
  23 #include <svl/lstner.hxx>
  24 #include <vcl/timer.hxx>
  25 #include <vcl/idle.hxx>
  26
  27 #include <vcl/xtextedt.hxx>
  28 #include <mutex>
  29 #include <set>
  30
  31 namespace com::sun::star::beans { class XMultiPropertySet; }
  32 namespace weld { class Scrollbar; }
  33 class ScrollAdaptor;
  34 class SwSrcView;
  35 class SwSrcEditWindow;
  36 class TextEngine;
  37 class TextView;
  38 class DataChangedEvent;
  39
  40 class TextViewOutWin final : public vcl::Window
  41 {
  42     TextView*    m_pTextView;
  43
  44     virtual void    Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& ) override;
  45     virtual void    KeyInput( const KeyEvent& rKeyEvt ) override;
  46     virtual void    MouseMove( const MouseEvent& rMEvt ) override;
  47     virtual void    MouseButtonDown( const MouseEvent& rMEvt ) override;
  48     virtual void    MouseButtonUp( const MouseEvent& rMEvt ) override;
  49     virtual void    Command( const CommandEvent& rCEvt ) override;
  50     virtual void    DataChanged( const DataChangedEvent& ) override;
  51
  52 public:
  53         TextViewOutWin(vcl::Window* pParent, WinBits nBits) :
  54             Window(pParent, nBits), m_pTextView(nullptr){}
  55
  56     void    SetTextView( TextView* pView ) {m_pTextView = pView;}
  57
  58 };
  59
  60 class SwSrcEditWindow final : public vcl::Window, public SfxListener
  61 {
  62 private:
  63     class ChangesListener;
  64     friend class ChangesListener;
  65     std::unique_ptr<TextView>       m_pTextView;
  66     std::unique_ptr<ExtTextEngine>  m_pTextEngine;
  67
  68     VclPtr<TextViewOutWin> m_pOutWin;
  69     VclPtr<ScrollAdaptor>  m_pHScrollbar,
  70                            m_pVScrollbar;
  71
  72     SwSrcView*      m_pSrcView;
  73
  74     rtl::Reference< ChangesListener > m_xListener;
  75     std::mutex mutex_;
  76     css::uno::Reference< css::beans::XMultiPropertySet >
  77         m_xNotifier;
  78
  79     tools::Long            m_nCurTextWidth;
  80     sal_uInt16          m_nStartLine;
  81     rtl_TextEncoding m_eSourceEncoding;
  82     bool            m_bReadonly;
  83     bool            m_bHighlighting;
  84
  85     Idle            m_aSyntaxIdle;
  86     std::set<sal_uInt16>   m_aSyntaxLineTable;
  87
  88     void            ImpDoHighlight( std::u16string_view aSource, sal_uInt16 nLineOff );
  89
  90     void            SetFont();
  91
  92     DECL_LINK( SyntaxTimerHdl, Timer *, void );
  93
  94     using Window::Invalidate;
  95
  96     virtual void    Resize() override;
  97     virtual void    DataChanged( const DataChangedEvent& ) override;
  98     virtual void    GetFocus() override;
  99
 100     void            CreateTextEngine();
 101     void            DoSyntaxHighlight( sal_uInt16 nPara );
 102
 103     virtual void    Notify( SfxBroadcaster& rBC, const SfxHint& rHint ) override;
 104
 105     DECL_LINK(HorzScrollHdl, weld::Scrollbar&, void);
 106     DECL_LINK(VertScrollHdl, weld::Scrollbar&, void);
 107
 108 public:
 109                     SwSrcEditWindow( vcl::Window* pParent, SwSrcView* pParentView );
 110                     virtual ~SwSrcEditWindow() override;
 111     virtual void    dispose() override;
 112
 113     void            SetScrollBarRanges();
 114     void            InitScrollBars();
 115     void            Read(SvStream& rInput) { m_pTextEngine->Read(rInput); }
 116     void            Write(SvStream& rOutput) { m_pTextEngine->Write(rOutput); }
 117
 118     TextView*       GetTextView()
 119                         {return m_pTextView.get();}
 120     TextEngine*     GetTextEngine()
 121                         {return m_pTextEngine.get();}
 122     SwSrcView*      GetSrcView() {return m_pSrcView;}
 123
 124     TextViewOutWin* GetOutWin() {return m_pOutWin;}
 125
 126     virtual void    Invalidate( InvalidateFlags nFlags = InvalidateFlags::NONE ) override;
 127
 128     void            ClearModifyFlag()
 129                         { m_pTextEngine->SetModified(false); }
 130     bool            IsModified() const
 131                         { return m_pTextEngine->IsModified();}
 132
 133     void            SetReadonly(bool bSet){m_bReadonly = bSet;}
 134     bool            IsReadonly() const {return m_bReadonly;}
 135
 136     void            SetStartLine(sal_uInt16 nLine){m_nStartLine = nLine;}
 137
 138     virtual void    Command( const CommandEvent& rCEvt ) override;
 139     void            HandleWheelCommand( const CommandEvent& rCEvt );
 140
 141     void            SetTextEncoding(rtl_TextEncoding eEncoding);
 142 };
 143
 144 #endif
 145
 146 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */