-#ifndef __DALI_TOOLKIT_TEXT_LOGICAL_MODEL_IMPL_H__
-#define __DALI_TOOLKIT_TEXT_LOGICAL_MODEL_IMPL_H__
+#ifndef DALI_TOOLKIT_TEXT_LOGICAL_MODEL_IMPL_H
+#define DALI_TOOLKIT_TEXT_LOGICAL_MODEL_IMPL_H
/*
- * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
// INTERNAL INCLUDES
#include <dali-toolkit/internal/text/bidirectional-line-info-run.h>
#include <dali-toolkit/internal/text/bidirectional-paragraph-info-run.h>
+#include <dali-toolkit/internal/text/color-run.h>
+#include <dali-toolkit/internal/text/embedded-item.h>
#include <dali-toolkit/internal/text/font-run.h>
+#include <dali-toolkit/internal/text/font-description-run.h>
+#include <dali-toolkit/internal/text/paragraph-run.h>
#include <dali-toolkit/internal/text/script-run.h>
namespace Dali
class LogicalModel;
typedef IntrusivePtr<LogicalModel> LogicalModelPtr;
+struct InputStyle;
/**
* @brief A logical text model contains layout independent information.
// Visual <--> Logical conversion tables.
/**
- * @brief Sets the visual to logical and the logical to visual map tables.
+ * @brief Retrieves the logical cursor index for the given visual cursor index.
*
- * Replaces any map tables previously set.
+ * @pre The method FetchBidirectionalLineInfo() must be called before. If the result of FetchBidirectionalLineInfo() is false,
+ * then the character is not in a bidirectional line and the result will be invalid.
*
- * @note If the number of runs is zero the bidirectional info buffer is cleared.
+ * @param[in] visualCursorIndex The visual cursor index.
*
- * @param[in] bidirectionalInfo Pointer to a buffer with all the bidirectional info runs.
- * @param[in] numberOfRuns The number of bidirectional info runs.
+ * @return The logical cursor index.
*/
- void SetVisualToLogicalMap( const BidirectionalLineInfoRun* const bidirectionalInfo,
- Length numberOfRuns );
+ CharacterIndex GetLogicalCursorIndex( CharacterIndex visualCursorIndex );
/**
* @brief Retrieves the logical character index for the given visual character index.
*
+ * @pre The method FetchBidirectionalLineInfo() must be called before. If the result of FetchBidirectionalLineInfo() is false,
+ * then the character is not in a bidirectional line and the result will be invalid.
+ *
* @param[in] visualCharacterIndex The visual character index.
*
* @return The logical character index.
*/
- CharacterIndex GetLogicalCharacterIndex( CharacterIndex visualCharacterIndex ) const;
+ CharacterIndex GetLogicalCharacterIndex( CharacterIndex visualCharacterIndex );
+
+ /**
+ * @brief Fetch the bidirectional line info for the given character.
+ *
+ * Call GetBidirectionalLineInfo() to retrieve the last fetched line.
+ *
+ * @param[in] characterIndex The character index.
+ *
+ * @return @e true if the given @e character is in a bidirectional line.
+ */
+ bool FetchBidirectionalLineInfo( CharacterIndex characterIndex );
+
+ /**
+ * @brief Retrieves the last fetched bidirectional line info.
+ *
+ * @return The index of the bidirectional line info.
+ */
+ BidirectionalLineRunIndex GetBidirectionalLineInfo() const;
+
+ // Text style.
+
+ /**
+ * @brief Updates the text's style runs with the added or removed text.
+ *
+ * @param[in] index The character's index.
+ * @param[in] numberOfCharacters The number of characters added or removed. If the value is negative the characters are removed.
+ */
+ void UpdateTextStyleRuns( CharacterIndex index, int numberOfCharacters );
+
+ /**
+ * @brief Retrieves the text's style for the given character index.
+ *
+ * @param[in] index The character index.
+ * @param[out] style The text's style in the given style.
+ */
+ void RetrieveStyle( CharacterIndex index, InputStyle& style );
+
+ /**
+ * @brief Clears the font description runs.
+ */
+ void ClearFontDescriptionRuns();
+
+ // Paragraphs
+
+ /**
+ * @brief Creates the paragraph info.
+ *
+ * @pre The line break info must be set.
+ *
+ * @param[in] startIndex The character from where the paragraph info is set.
+ * @param[in] numberOfCharacters The number of characters.
+ */
+ void CreateParagraphInfo( CharacterIndex startIndex,
+ Length numberOfCharacters );
+
+ /**
+ * @brief Find the paragraphs which contains the given characters.
+ *
+ * @param[in] index The first character's index of the run.
+ * @param[in] numberOfCharacters The number of characters of the run.
+ * @param[out] paragraphs Indices to the paragraphs which contain the characters.
+ */
+ void FindParagraphs( CharacterIndex index,
+ Length numberOfCharacters,
+ Vector<ParagraphRunIndex>& paragraphs );
+
+ // Embedded images
+
+ /**
+ * @brief Clears the embedded images.
+ */
+ void ClearEmbeddedImages();
protected:
Vector<Character> mText;
Vector<ScriptRun> mScriptRuns;
Vector<FontRun> mFontRuns;
+ Vector<ColorRun> mColorRuns;
+ Vector<ColorRun> mBackgroundColorRuns;
+ Vector<FontDescriptionRun> mFontDescriptionRuns;
Vector<LineBreakInfo> mLineBreakInfo;
- Vector<WordBreakInfo> mWordBreakInfo;
+ Vector<ParagraphRun> mParagraphInfo;
Vector<BidirectionalParagraphInfoRun> mBidirectionalParagraphInfo;
- Vector<CharacterDirection> mCharacterDirections; ///< For each character, whether is right to left. ( @e flase is left to right, @e true right to left ).
+ Vector<CharacterDirection> mCharacterDirections; ///< For each character, whether is right to left. ( @e flase is left to right, @e true right to left ).
Vector<BidirectionalLineInfoRun> mBidirectionalLineInfo;
- Vector<CharacterIndex> mLogicalToVisualMap; ///< Bidirectional logical to visual conversion table.
- Vector<CharacterIndex> mVisualToLogicalMap; ///< Bidirectional visual to logical conversion table.
- Vector<CharacterIndex> mVisualToLogicalCursorMap; ///< Bidirectional visual to logical cursor conversion table.
+ Vector<EmbeddedItem> mEmbeddedItems;
+
+ BidirectionalLineRunIndex mBidirectionalLineIndex; ///< The last fetched bidirectional line info.
};
} // namespace Text
} // namespace Dali
-#endif // __DALI_TOOLKIT_TEXT_LOGICAL_MODEL_IMPL_H__
+#endif // DALI_TOOLKIT_TEXT_LOGICAL_MODEL_IMPL_H
projects / platform / core / uifw / dali-toolkit.git / blobdiff