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Diffstat (limited to 'include/vcl/txtattr.hxx')
| -rw-r--r-- | include/vcl/txtattr.hxx | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/include/vcl/txtattr.hxx b/include/vcl/txtattr.hxx new file mode 100644 index 000000000..479cfbe8d --- /dev/null +++ b/include/vcl/txtattr.hxx @@ -0,0 +1,189 @@ +/* -*- 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_VCL_TXTATTR_HXX +#define INCLUDED_VCL_TXTATTR_HXX + +#include <tools/color.hxx> +#include <tools/debug.hxx> +#include <tools/fontenum.hxx> +#include <vcl/dllapi.h> +#include <memory> + +namespace vcl { class Font; } + +#define TEXTATTR_FONTCOLOR 1 +#define TEXTATTR_FONTWEIGHT 3 + +#define TEXTATTR_USER_START 1000 //start id for user defined text attributes +#define TEXTATTR_PROTECTED 4 + + +class VCL_DLLPUBLIC TextAttrib +{ +private: + sal_uInt16 const mnWhich; + +protected: + TextAttrib( sal_uInt16 nWhich ) : mnWhich(nWhich) {} + TextAttrib( const TextAttrib& ) = default; + +public: + + virtual ~TextAttrib(); + + sal_uInt16 Which() const { return mnWhich; } + virtual void SetFont( vcl::Font& rFont ) const = 0; + virtual std::unique_ptr<TextAttrib> Clone() const = 0; + + virtual bool operator==( const TextAttrib& rAttr ) const = 0; + bool operator!=( const TextAttrib& rAttr ) const + { return !(*this == rAttr ); } +}; + + +class VCL_DLLPUBLIC TextAttribFontColor final : public TextAttrib +{ +private: + Color maColor; + +public: + TextAttribFontColor( const Color& rColor ); + + const Color& GetColor() const { return maColor; } + + virtual void SetFont( vcl::Font& rFont ) const override; + virtual std::unique_ptr<TextAttrib> Clone() const override; + virtual bool operator==( const TextAttrib& rAttr ) const override; + +}; + +class VCL_DLLPUBLIC TextAttribFontWeight final : public TextAttrib +{ +private: + FontWeight meWeight; + +public: + TextAttribFontWeight( FontWeight eWeight ); + + virtual void SetFont( vcl::Font& rFont ) const override; + virtual std::unique_ptr<TextAttrib> Clone() const override; + virtual bool operator==( const TextAttrib& rAttr ) const override; + + FontWeight getFontWeight() const { return meWeight; } +}; + +class TextAttribProtect final : public TextAttrib +{ +public: + TextAttribProtect(); + + virtual void SetFont( vcl::Font& rFont ) const override; + virtual std::unique_ptr<TextAttrib> Clone() const override; + virtual bool operator==( const TextAttrib& rAttr ) const override; + +}; + + +class TextCharAttrib +{ +private: + std::unique_ptr<TextAttrib> + mpAttr; + sal_Int32 mnStart; + sal_Int32 mnEnd; + +public: + TextCharAttrib( const TextAttrib& rAttr, sal_Int32 nStart, sal_Int32 nEnd ); + TextCharAttrib( const TextCharAttrib& rTextCharAttrib ); + + const TextAttrib& GetAttr() const { return *mpAttr; } + + sal_uInt16 Which() const { return mpAttr->Which(); } + + sal_Int32 GetStart() const { return mnStart; } + void SetStart(sal_Int32 n) { mnStart = n; } + + sal_Int32 GetEnd() const { return mnEnd; } + void SetEnd(sal_Int32 n) { mnEnd = n; } + + inline sal_Int32 GetLen() const; + + inline void MoveForward( sal_Int32 nDiff ); + inline void MoveBackward( sal_Int32 nDiff ); + + inline void Expand( sal_Int32 nDiff ); + inline void Collaps( sal_Int32 nDiff ); + + inline bool IsIn( sal_Int32 nIndex ); + inline bool IsInside( sal_Int32 nIndex ); + inline bool IsEmpty() const; + +}; + +inline sal_Int32 TextCharAttrib::GetLen() const +{ + DBG_ASSERT( mnEnd >= mnStart, "TextCharAttrib: nEnd < nStart!" ); + return mnEnd-mnStart; +} + +inline void TextCharAttrib::MoveForward( sal_Int32 nDiff ) +{ + DBG_ASSERT( nDiff <= SAL_MAX_INT32-mnEnd, "TextCharAttrib: MoveForward?!" ); + mnStart = mnStart + nDiff; + mnEnd = mnEnd + nDiff; +} + +inline void TextCharAttrib::MoveBackward( sal_Int32 nDiff ) +{ + DBG_ASSERT( mnStart >= nDiff, "TextCharAttrib: MoveBackward?!" ); + mnStart = mnStart - nDiff; + mnEnd = mnEnd - nDiff; +} + +inline void TextCharAttrib::Expand( sal_Int32 nDiff ) +{ + DBG_ASSERT( nDiff <= SAL_MAX_INT32-mnEnd, "TextCharAttrib: Expand?!" ); + mnEnd = mnEnd + nDiff; +} + +inline void TextCharAttrib::Collaps( sal_Int32 nDiff ) +{ + DBG_ASSERT( mnEnd-mnStart >= nDiff, "TextCharAttrib: Collaps?!" ); + mnEnd = mnEnd - nDiff; +} + +inline bool TextCharAttrib::IsIn( sal_Int32 nIndex ) +{ + return ( ( mnStart <= nIndex ) && ( mnEnd >= nIndex ) ); +} + +inline bool TextCharAttrib::IsInside( sal_Int32 nIndex ) +{ + return ( ( mnStart < nIndex ) && ( mnEnd > nIndex ) ); +} + +inline bool TextCharAttrib::IsEmpty() const +{ + return mnStart == mnEnd; +} + +#endif // INCLUDED_VCL_TXTATTR_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |