/* -*- 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_SDEXT_SOURCE_PRESENTER_PRESENTERTEXTVIEW_HXX #define INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERTEXTVIEW_HXX #include "PresenterTheme.hxx" #include #include #include #include #include #include #include #include #include #include #include #include namespace sdext { namespace presenter { class PresenterTextCaret { public: PresenterTextCaret ( css::uno::Reference const& xContext, const ::std::function& rCharacterBoundsAccess, const ::std::function& rInvalidator); ~PresenterTextCaret(); void ShowCaret(); void HideCaret(); sal_Int32 GetParagraphIndex() const { return mnParagraphIndex;} sal_Int32 GetCharacterIndex() const { return mnCharacterIndex;} void SetPosition ( const sal_Int32 nParagraphIndex, const sal_Int32 nCharacterIndex); bool IsVisible() const { return mbIsCaretVisible;} /** Set a (possibly empty) functor that broadcasts changes of the caret position. This is used when a PresenterTextView object is set at the accessibility object so that accessibility events can be sent when the caret changes position. */ void SetCaretMotionBroadcaster ( const ::std::function& rBroadcaster); const css::awt::Rectangle& GetBounds() const; private: css::uno::Reference const& m_xContext; sal_Int32 mnParagraphIndex; sal_Int32 mnCharacterIndex; sal_Int32 mnCaretBlinkTaskId; bool mbIsCaretVisible; const ::std::function maCharacterBoundsAccess; const ::std::function maInvalidator; ::std::function maBroadcaster; css::awt::Rectangle maCaretBounds; void InvertCaret(); }; typedef std::shared_ptr SharedPresenterTextCaret; //===== PresenterTextParagraph ================================================ class PresenterTextParagraph { public: PresenterTextParagraph ( const sal_Int32 nParagraphIndex, const css::uno::Reference& rxBreakIterator, const css::uno::Reference& rxScriptTypeDetector, const css::uno::Reference& rxTextRange, const SharedPresenterTextCaret& rpCaret); void Paint ( const css::uno::Reference& rxCanvas, const css::geometry::RealSize2D& rSize, const PresenterTheme::SharedFontDescriptor& rpFont, const css::rendering::ViewState& rViewState, css::rendering::RenderState& rRenderState, const double nTopOffset, const double nClipTop, const double nClipBottom); double GetTotalTextHeight(); void SetCharacterOffset (const sal_Int32 nCharacterOffset); sal_Int32 GetCharacterCount() const; sal_Unicode GetCharacter (const sal_Int32 nGlobalCharacterIndex) const; const OUString& GetText() const; css::accessibility::TextSegment GetTextSegment ( const sal_Int32 nOffset, const sal_Int32 nGlobalCharacterIndex, const sal_Int16 nTextType) const; css::accessibility::TextSegment GetWordTextSegment ( const sal_Int32 nOffset, const sal_Int32 nIndex) const; css::accessibility::TextSegment CreateTextSegment ( sal_Int32 nStartIndex, sal_Int32 nEndIndex) const; css::awt::Rectangle GetCharacterBounds ( sal_Int32 nGlobalCharacterIndex, const bool bCaretBox); void SetupCellArray ( const PresenterTheme::SharedFontDescriptor& rpFont); void Format ( const double nY, const double nWidth, const PresenterTheme::SharedFontDescriptor& rpFont); sal_Int32 GetWordBoundary( const sal_Int32 nLocalCharacterIndex, const sal_Int32 nDistance); sal_Int32 GetCaretPosition() const; void SetCaretPosition (const sal_Int32 nPosition) const; void SetOrigin (const double nXOrigin, const double nYOrigin); css::awt::Point GetRelativeLocation() const; css::awt::Size GetSize(); private: OUString msParagraphText; const sal_Int32 mnParagraphIndex; SharedPresenterTextCaret mpCaret; /** A portion of a string that encodes one unicode cell. It describes number of characters in the unicode string that make up the cell and its width in pixel (with respect to some configuration that is stored externally or implicitly). */ class Cell { public: Cell (const sal_Int32 nCharacterIndex, const sal_Int32 nCharacterCount, const double nCellWidth); sal_Int32 mnCharacterIndex; sal_Int32 mnCharacterCount; double mnCellWidth; }; class Line { public: Line (const sal_Int32 nLineStartCharacterIndex, const sal_Int32 nLineEndCharacterIndex); sal_Int32 mnLineStartCharacterIndex; sal_Int32 mnLineEndCharacterIndex; sal_Int32 mnLineStartCellIndex; sal_Int32 mnLineEndCellIndex; css::uno::Reference mxLayoutedLine; double mnBaseLine; double mnWidth; css::uno::Sequence maCellBoxes; void ProvideLayoutedLine ( const OUString& rsParagraphText, const PresenterTheme::SharedFontDescriptor& rpFont, const sal_Int8 nTextDirection); void ProvideCellBoxes(); }; css::uno::Reference mxBreakIterator; css::uno::Reference mxScriptTypeDetector; ::std::vector maLines; ::std::vector maWordBoundaries; // Offset of the top of the paragraph with respect to the origin of the // whole text (specified by mnXOrigin and mnYOrigin). double mnVerticalOffset; double mnXOrigin; double mnYOrigin; double mnWidth; double mnAscent; double mnDescent; double mnLineHeight; sal_Int8 mnWritingMode; /// The index of the first character in this paragraph with respect to /// the whole text. sal_Int32 mnCharacterOffset; ::std::vector maCells; void AddWord ( const double nWidth, css::i18n::Boundary& rCurrentLine, const sal_Int32 nWordBoundary, const PresenterTheme::SharedFontDescriptor& rpFont); void AddLine ( css::i18n::Boundary& rCurrentLine); sal_Int8 GetTextDirection() const; bool IsTextReferencePointLeft() const; }; typedef std::shared_ptr SharedPresenterTextParagraph; /** A simple text view that paints text onto a given canvas. */ class PresenterTextView { public: PresenterTextView ( const css::uno::Reference& rxContext, const css::uno::Reference& rxCanvas, const ::std::function& rInvalidator); void SetText (const css::uno::Reference& rxText); void SetTextChangeBroadcaster(const ::std::function& rBroadcaster); void SetLocation (const css::geometry::RealPoint2D& rLocation); void SetSize (const css::geometry::RealSize2D& rSize); double GetTotalTextHeight(); void SetFont (const PresenterTheme::SharedFontDescriptor& rpFont); void SetOffset ( const double nLeft, const double nTop); /** Move the caret forward or backward by character or by word. @param nDistance Should be either -1 or +1 to move caret backwards or forwards, respectively. @param nTextType Valid values are the css::accessibility::AccessibleTextType constants. */ void MoveCaret ( const sal_Int32 nDistance, const sal_Int16 nTextType); void Paint (const css::awt::Rectangle& rUpdateBox); const SharedPresenterTextCaret& GetCaret() const; sal_Int32 GetParagraphCount() const; SharedPresenterTextParagraph GetParagraph (const sal_Int32 nParagraphIndex) const; private: css::uno::Reference mxCanvas; css::uno::Reference mxBreakIterator; css::uno::Reference mxScriptTypeDetector; css::geometry::RealPoint2D maLocation; css::geometry::RealSize2D maSize; PresenterTheme::SharedFontDescriptor mpFont; ::std::vector maParagraphs; SharedPresenterTextCaret mpCaret; double mnLeftOffset; double mnTopOffset; bool mbIsFormatPending; ::std::function maTextChangeBroadcaster; void RequestFormat(); void Format(); css::awt::Rectangle GetCaretBounds ( const sal_Int32 nParagraphIndex, const sal_Int32 nCharacterIndex) const; }; } } // end of namespace ::sdext::presenter #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ _contract45533 LibreOffice 核心代码仓库文档基金会
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path: root/shell/inc/contentreader.hxx
AgeCommit message (Expand)Author
2019-03-27loplugin:typedefparam (clang-cl)Stephan Bergmann
2017-10-27loplugin:includeform: shell (Windows)Stephan Bergmann
2017-09-28shell: use Unicode on WindowsMike Kaganski
2017-04-04loplugin:redundantinline (clang-cl)Stephan Bergmann
2016-10-15clang-cl loplugin: shellStephan Bergmann
2016-04-07Drop pointless "internal" directory level for already internal include filesTor Lillqvist