include/svx/charmap.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
   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_SVX_CHARMAP_HXX
  20 #define INCLUDED_SVX_CHARMAP_HXX
  21
  22 #include <vcl/ctrl.hxx>
  23 #include <vcl/metric.hxx>
  24 #include <vcl/scrbar.hxx>
  25 #include <vcl/vclptr.hxx>
  26 #include <map>
  27 #include <memory>
  28 #include <svx/svxdllapi.h>
  29
  30 #define COLUMN_COUNT    16
  31 #define ROW_COUNT        8
  32
  33 namespace svx
  34 {
  35     struct SvxShowCharSetItem;
  36     class SvxShowCharSetVirtualAcc;
  37 }
  38
  39 class SAL_WARN_UNUSED SVX_DLLPUBLIC SvxShowCharSet : public Control
  40 {
  41 public:
  42                     SvxShowCharSet( vcl::Window* pParent );
  43                     virtual ~SvxShowCharSet() override;
  44     virtual void    dispose() override;
  45     virtual void    ApplySettings(vcl::RenderContext& rRenderContext) override;
  46
  47     void            RecalculateFont(vcl::RenderContext& rRenderContext);
  48
  49     void            SelectCharacter( sal_uInt32 cNew );
  50     sal_UCS4        GetSelectCharacter() const;
  51
  52     void            SetDoubleClickHdl( const Link<SvxShowCharSet*,void>& rLink ) { aDoubleClkHdl = rLink; }
  53     void            SetSelectHdl( const Link<SvxShowCharSet*,void>& rHdl ) { aSelectHdl = rHdl; }
  54     void            SetHighlightHdl( const Link<SvxShowCharSet*,void>& rHdl ) { aHighHdl = rHdl; }
  55     void            SetPreSelectHdl( const Link<SvxShowCharSet*,void>& rHdl ) { aPreSelectHdl = rHdl; }
  56     static sal_uInt32& getSelectedChar();
  57     void            SetFont( const vcl::Font& rFont );
  58
  59     svx::SvxShowCharSetItem*    ImplGetItem( int _nPos );
  60     int                         FirstInView() const;
  61     int                         LastInView() const;
  62     int                         PixelToMapIndex( const Point&) const;
  63     void                        SelectIndex( int index, bool bFocus = false );
  64     void                        OutputIndex( int index );
  65     void                        DeSelect();
  66     inline bool                 IsSelected(sal_uInt16 _nPos) const { return _nPos == nSelectedIndex; }
  67     inline sal_uInt16           GetSelectIndexId() const { return sal::static_int_cast<sal_uInt16>(nSelectedIndex); }
  68     static sal_uInt16           GetRowPos(sal_uInt16 _nPos);
  69     static sal_uInt16           GetColumnPos(sal_uInt16 _nPos);
  70
  71     ScrollBar&                  getScrollBar() { return *aVscrollSB.get();}
  72     void                        ReleaseAccessible();
  73     sal_Int32                   getMaxCharCount() const;
  74
  75     virtual void    Resize() override;
  76
  77     virtual FactoryFunction GetUITestFactory() const override;
  78
  79 protected:
  80     virtual void    Paint( vcl::RenderContext& rRenderContext, const Rectangle& ) override;
  81     virtual void    MouseButtonDown( const MouseEvent& rMEvt ) override;
  82     virtual void    MouseButtonUp( const MouseEvent& rMEvt ) override;
  83     virtual void    MouseMove( const MouseEvent& rMEvt ) override;
  84     virtual void    Command( const CommandEvent& rCEvt ) override;
  85     virtual void    KeyInput( const KeyEvent& rKEvt ) override;
  86     virtual void    GetFocus() override;
  87     virtual void    LoseFocus() override;
  88     virtual void    StateChanged( StateChangedType nStateChange ) override;
  89     virtual void    DataChanged( const DataChangedEvent& rDCEvt ) override;
  90
  91     virtual css::uno::Reference<css::accessibility::XAccessible> CreateAccessible() override;
  92
  93 private:
  94     typedef std::map<sal_Int32, std::shared_ptr<svx::SvxShowCharSetItem> > ItemsMap;
  95     ItemsMap        m_aItems;
  96     Link<SvxShowCharSet*,void>     aDoubleClkHdl;
  97     Link<SvxShowCharSet*,void>     aSelectHdl;
  98     Link<SvxShowCharSet*,void>     aHighHdl;
  99     Link<SvxShowCharSet*,void>     aPreSelectHdl;
 100     svx::SvxShowCharSetVirtualAcc* m_pAccessible;
 101     css::uno::Reference<css::accessibility::XAccessible> m_xAccessible;
 102     long            nX;
 103     long            nY;
 104     long            m_nXGap;
 105     long            m_nYGap;
 106     bool            bDrag;
 107
 108     sal_Int32       nSelectedIndex;
 109
 110     FontCharMapRef  mxFontCharMap;
 111     Size            maFontSize;
 112     VclPtr<ScrollBar>  aVscrollSB;
 113
 114     bool mbRecalculateFont  : 1;
 115     bool mbUpdateForeground : 1;
 116     bool mbUpdateBackground : 1;
 117
 118
 119 private:
 120     void            DrawChars_Impl(vcl::RenderContext& rRenderContext, int n1, int n2);
 121     void            InitSettings(vcl::RenderContext& rRenderContext);
 122     // abstraction layers are: Unicode<->MapIndex<->Pixel
 123     Point           MapIndexToPixel( int) const;
 124     DECL_LINK(VscrollHdl, ScrollBar*, void);
 125
 126     void            init();
 127     Rectangle       getGridRectangle(const Point &rPointUL, const Size &rOutputSize);
 128 };
 129
 130 #endif
 131
 132 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */