include/svx/charmap.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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   9  * This file incorporates work covered by the following license notice:
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  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 <map>
  23 #include <memory>
  24
  25 #include <sal/types.h>
  26 #include <rtl/ref.hxx>
  27 #include <svx/svxdllapi.h>
  28 #include <tools/gen.hxx>
  29 #include <tools/link.hxx>
  30 #include <vcl/ctrl.hxx>
  31 #include <vcl/event.hxx>
  32 #include <vcl/outdev.hxx>
  33 #include <vcl/metric.hxx>
  34 #include <vcl/vclptr.hxx>
  35 #include <vcl/window.hxx>
  36
  37 namespace com { namespace sun { namespace star {
  38     namespace accessibility { class XAccessible; }
  39 } } }
  40
  41 namespace vcl { class Font; }
  42
  43 #define COLUMN_COUNT    16
  44 #define ROW_COUNT        8
  45
  46 class CommandEvent;
  47 class ScrollBar;
  48
  49 namespace svx
  50 {
  51     struct SvxShowCharSetItem;
  52     class SvxShowCharSetVirtualAcc;
  53 }
  54
  55 class SAL_WARN_UNUSED SVX_DLLPUBLIC SvxShowCharSet : public Control
  56 {
  57 public:
  58                     SvxShowCharSet( vcl::Window* pParent );
  59                     virtual ~SvxShowCharSet() override;
  60     virtual void    dispose() override;
  61     virtual void    ApplySettings(vcl::RenderContext& rRenderContext) override;
  62
  63     void            RecalculateFont(vcl::RenderContext& rRenderContext);
  64
  65     void            SelectCharacter( sal_uInt32 cNew );
  66     sal_UCS4        GetSelectCharacter() const;
  67
  68     void            SetDoubleClickHdl( const Link<SvxShowCharSet*,void>& rLink ) { aDoubleClkHdl = rLink; }
  69     void            SetSelectHdl( const Link<SvxShowCharSet*,void>& rHdl ) { aSelectHdl = rHdl; }
  70     void            SetHighlightHdl( const Link<SvxShowCharSet*,void>& rHdl ) { aHighHdl = rHdl; }
  71     void            SetPreSelectHdl( const Link<SvxShowCharSet*,void>& rHdl ) { aPreSelectHdl = rHdl; }
  72     static sal_uInt32& getSelectedChar();
  73     void            SetFont( const vcl::Font& rFont );
  74
  75     svx::SvxShowCharSetItem*    ImplGetItem( int _nPos );
  76     int                         FirstInView() const;
  77     int                         LastInView() const;
  78     int                         PixelToMapIndex( const Point&) const;
  79     void                        SelectIndex( int index, bool bFocus = false );
  80     void                        OutputIndex( int index );
  81     void                        DeSelect();
  82     bool                 IsSelected(sal_uInt16 _nPos) const { return _nPos == nSelectedIndex; }
  83     sal_uInt16           GetSelectIndexId() const { return sal::static_int_cast<sal_uInt16>(nSelectedIndex); }
  84     static sal_uInt16           GetRowPos(sal_uInt16 _nPos);
  85     static sal_uInt16           GetColumnPos(sal_uInt16 _nPos);
  86
  87     ScrollBar&                  getScrollBar() { return *aVscrollSB.get();}
  88     void                        ReleaseAccessible();
  89     sal_Int32                   getMaxCharCount() const;
  90
  91     virtual void    Resize() override;
  92
  93     virtual FactoryFunction GetUITestFactory() const override;
  94
  95 protected:
  96     virtual void    Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& ) override;
  97     virtual void    MouseButtonDown( const MouseEvent& rMEvt ) override;
  98     virtual void    MouseButtonUp( const MouseEvent& rMEvt ) override;
  99     virtual void    MouseMove( const MouseEvent& rMEvt ) override;
 100     virtual void    Command( const CommandEvent& rCEvt ) override;
 101     virtual void    KeyInput( const KeyEvent& rKEvt ) override;
 102     virtual void    GetFocus() override;
 103     virtual void    LoseFocus() override;
 104     virtual void    StateChanged( StateChangedType nStateChange ) override;
 105     virtual void    DataChanged( const DataChangedEvent& rDCEvt ) override;
 106
 107     virtual css::uno::Reference<css::accessibility::XAccessible> CreateAccessible() override;
 108
 109 private:
 110     typedef std::map<sal_Int32, std::shared_ptr<svx::SvxShowCharSetItem> > ItemsMap;
 111     ItemsMap        m_aItems;
 112     Link<SvxShowCharSet*,void>     aDoubleClkHdl;
 113     Link<SvxShowCharSet*,void>     aSelectHdl;
 114     Link<SvxShowCharSet*,void>     aHighHdl;
 115     Link<SvxShowCharSet*,void>     aPreSelectHdl;
 116     rtl::Reference<svx::SvxShowCharSetVirtualAcc> m_xAccessible;
 117     long            nX;
 118     long            nY;
 119     long            m_nXGap;
 120     long            m_nYGap;
 121     bool            bDrag;
 122
 123     sal_Int32       nSelectedIndex;
 124
 125     FontCharMapRef  mxFontCharMap;
 126     Size            maFontSize;
 127     VclPtr<ScrollBar>  aVscrollSB;
 128
 129     bool mbRecalculateFont  : 1;
 130     bool mbUpdateForeground : 1;
 131     bool mbUpdateBackground : 1;
 132
 133
 134 private:
 135     void            DrawChars_Impl(vcl::RenderContext& rRenderContext, int n1, int n2);
 136     void            InitSettings(vcl::RenderContext& rRenderContext);
 137     // abstraction layers are: Unicode<->MapIndex<->Pixel
 138     Point           MapIndexToPixel( int) const;
 139     DECL_LINK(VscrollHdl, ScrollBar*, void);
 140
 141     void            init();
 142     tools::Rectangle       getGridRectangle(const Point &rPointUL, const Size &rOutputSize);
 143 };
 144
 145 #endif
 146
 147 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */