X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=dali-toolkit%2Finternal%2Ftext%2Ftext-controller-impl.h;h=78133eab863c3368d1a9a5b82f4172c5d9e006e7;hb=refs%2Fchanges%2F15%2F71915%2F4;hp=f88ca8db6db2cfbbc559e616a8c2f321715b3a71;hpb=d8cbd048a3d77a627c97eba193afd3c0514a789a;p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git diff --git a/dali-toolkit/internal/text/text-controller-impl.h b/dali-toolkit/internal/text/text-controller-impl.h index f88ca8d..78133ea 100644 --- a/dali-toolkit/internal/text/text-controller-impl.h +++ b/dali-toolkit/internal/text/text-controller-impl.h @@ -39,6 +39,9 @@ namespace Toolkit namespace Text { +//Forward declarations +struct CursorInfo; + struct Event { // Used to queue input events until DoRelayout() @@ -76,30 +79,6 @@ struct Event Param p3; }; -struct CursorInfo -{ - CursorInfo() - : primaryPosition(), - secondaryPosition(), - lineOffset( 0.f ), - lineHeight( 0.f ), - primaryCursorHeight( 0.f ), - secondaryCursorHeight( 0.f ), - isSecondaryCursor( false ) - {} - - ~CursorInfo() - {} - - Vector2 primaryPosition; ///< The primary cursor's position. - Vector2 secondaryPosition; ///< The secondary cursor's position. - float lineOffset; ///< The vertical offset where the line containing the cursor starts. - float lineHeight; ///< The height of the line where the cursor is placed. - float primaryCursorHeight; ///< The primary cursor's height. - float secondaryCursorHeight; ///< The secondary cursor's height. - bool isSecondaryCursor; ///< Whether the secondary cursor is valid. -}; - struct EventData { enum State @@ -138,12 +117,6 @@ struct EventData InputStyle mInputStyle; ///< The style to be set to the new inputed text. - /** - * 0,0 means that the top-left corner of the layout matches the top-left corner of the UI control. - * Typically this will have a negative value with scrolling occurs. - */ - Vector2 mScrollPosition; ///< The text is offset by this position when scrolling. - State mState; ///< Selection mode, edit mode etc. CharacterIndex mPrimaryCursorPosition; ///< Index into logical model for primary cursor. @@ -223,6 +196,63 @@ struct FontDefaults bool sizeDefined:1; ///< Whether the default font's point size is defined. }; +/** + * @brief Stores indices used to update the text. + * Stores the character index where the text is updated and the number of characters removed and added. + * Stores as well indices to the first and the last paragraphs to be updated. + */ +struct TextUpdateInfo +{ + TextUpdateInfo() + : mCharacterIndex( 0u ), + mNumberOfCharactersToRemove( 0u ), + mNumberOfCharactersToAdd( 0u ), + mPreviousNumberOfCharacters( 0u ), + mParagraphCharacterIndex( 0u ), + mRequestedNumberOfCharacters( 0u ), + mStartGlyphIndex( 0u ), + mStartLineIndex( 0u ), + mEstimatedNumberOfLines( 0u ), + mClearAll( true ), + mFullRelayoutNeeded( true ), + mIsLastCharacterNewParagraph( false ) + {} + + ~TextUpdateInfo() + {} + + CharacterIndex mCharacterIndex; ///< Index to the first character to be updated. + Length mNumberOfCharactersToRemove; ///< The number of characters to be removed. + Length mNumberOfCharactersToAdd; ///< The number of characters to be added. + Length mPreviousNumberOfCharacters; ///< The number of characters before the text update. + + CharacterIndex mParagraphCharacterIndex; ///< Index of the first character of the first paragraph to be updated. + Length mRequestedNumberOfCharacters; ///< The requested number of characters. + GlyphIndex mStartGlyphIndex; + LineIndex mStartLineIndex; + Length mEstimatedNumberOfLines; ///< The estimated number of lines. Used to avoid reallocations when layouting. + + bool mClearAll:1; ///< Whether the whole text is cleared. i.e. when the text is reset. + bool mFullRelayoutNeeded:1; ///< Whether a full re-layout is needed. i.e. when a new size is set to the text control. + bool mIsLastCharacterNewParagraph:1; ///< Whether the last character is a new paragraph character. + + void Clear() + { + // Clear all info except the mPreviousNumberOfCharacters member. + mCharacterIndex = static_cast( -1 ); + mNumberOfCharactersToRemove = 0u; + mNumberOfCharactersToAdd = 0u; + mParagraphCharacterIndex = 0u; + mRequestedNumberOfCharacters = 0u; + mStartGlyphIndex = 0u; + mStartLineIndex = 0u; + mEstimatedNumberOfLines = 0u; + mClearAll = false; + mFullRelayoutNeeded = false; + mIsLastCharacterNewParagraph = false; + } +}; + struct Controller::Impl { Impl( ControlInterface& controlInterface ) @@ -238,11 +268,14 @@ struct Controller::Impl mLayoutEngine(), mModifyEvents(), mTextColor( Color::BLACK ), - mAlignmentOffset(), + mTextUpdateInfo(), mOperationsPending( NO_OPERATION ), mMaximumNumberOfCharacters( 50u ), mRecalculateNaturalSize( true ), - mMarkupProcessorEnabled( false ) + mMarkupProcessorEnabled( false ), + mClipboardHideEnabled( true ), + mAutoScrollEnabled( false ), + mAutoScrollDirectionRTL( false ) { mLogicalModel = LogicalModel::New(); mVisualModel = VisualModel::New(); @@ -367,29 +400,71 @@ struct Controller::Impl bool IsClipboardEmpty() { bool result( mClipboard && mClipboard.NumberOfItems() ); - return !result; // // If NumberOfItems greater than 0, return false + return !result; // If NumberOfItems greater than 0, return false } /** - * @brief Updates the logical and visual models. + * @brief Calculates the start character index of the first paragraph to be updated and + * the end character index of the last paragraph to be updated. * - * When text or style changes the model is set with some operations pending. - * When i.e. the text's size or a relayout is required this method is called - * with a given @p operationsRequired parameter. The operations required are - * matched with the operations pending to perform the minimum number of operations. + * @param[out] numberOfCharacters The number of characters to be updated. + */ + void CalculateTextUpdateIndices( Length& numberOfCharacters ); + + /** + * @brief Helper to clear completely the parts of the model specified by the given @p operations. * - * @param[in] operationsRequired The operations required. + * @note It never clears the text stored in utf32. */ - void UpdateModel( OperationsMask operationsRequired ); + void ClearFullModelData( OperationsMask operations ); /** - * @brief Updates the style runs in the visual model when the text's styles changes. + * @brief Helper to clear completely the parts of the model related with the characters specified by the given @p operations. + * + * @note It never clears the text stored in utf32. + * + * @param[in] startIndex Index to the first character to be cleared. + * @param[in] endIndex Index to the last character to be cleared. + * @param[in] operations The operations required. + */ + void ClearCharacterModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations ); + + /** + * @brief Helper to clear completely the parts of the model related with the glyphs specified by the given @p operations. + * + * @note It never clears the text stored in utf32. + * @note Character indices are transformed to glyph indices. + * + * @param[in] startIndex Index to the first character to be cleared. + * @param[in] endIndex Index to the last character to be cleared. + * @param[in] operations The operations required. + */ + void ClearGlyphModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations ); + + /** + * @brief Helper to clear the parts of the model specified by the given @p operations and from @p startIndex to @p endIndex. + * + * @note It never clears the text stored in utf32. + * + * @param[in] startIndex Index to the first character to be cleared. + * @param[in] endIndex Index to the last character to be cleared. + * @param[in] operations The operations required. + */ + void ClearModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations ); + + /** + * @brief Updates the logical and visual models. Updates the style runs in the visual model when the text's styles changes. + * + * When text or style changes the model is set with some operations pending. + * When i.e. the text's size or a relayout is required this method is called + * with a given @p operationsRequired parameter. The operations required are + * matched with the operations pending to perform the minimum number of operations. * * @param[in] operationsRequired The operations required. * * @return @e true if the model has been modified. */ - bool UpdateModelStyle( OperationsMask operationsRequired ); + bool UpdateModel( OperationsMask operationsRequired ); /** * @brief Retreieves the default style. @@ -417,12 +492,20 @@ struct Controller::Impl void OnSelectAllEvent(); + /** + * @brief Retrieves the selected text. It removes the text if the @p deleteAfterRetrieval parameter is @e true. + * + * @param[out] selectedText The selected text encoded in utf8. + * @param[in] deleteAfterRetrieval Whether the text should be deleted after retrieval. + */ void RetrieveSelection( std::string& selectedText, bool deleteAfterRetrieval ); void ShowClipboard(); void HideClipboard(); + void SetClipboardHideEnable(bool enable); + bool CopyStringToClipboard( std::string& source ); void SendSelectionToClipboard( bool deleteAfterSending ); @@ -435,20 +518,6 @@ struct Controller::Impl void SetPopupButtons(); void ChangeState( EventData::State newState ); - LineIndex GetClosestLine( float y ) const; - - void FindSelectionIndices( float visualX, float visualY, CharacterIndex& startIndex, CharacterIndex& endIndex ); - - /** - * @brief Retrieves the cursor's logical position for a given touch point x,y - * - * @param[in] visualX The touch point x. - * @param[in] visualY The touch point y. - * - * @return The logical cursor position (in characters). 0 is just before the first character, a value equal to the number of characters is just after the last character. - */ - CharacterIndex GetClosestCursorIndex( float visualX, - float visualY ); /** * @brief Calculates the cursor's position for a given character index in the logical order. @@ -528,6 +597,14 @@ struct Controller::Impl */ void ScrollTextToMatchCursor( const CursorInfo& cursorInfo ); +private: + // Declared private and left undefined to avoid copies. + Impl( const Impl& ); + // Declared private and left undefined to avoid copies. + Impl& operator=( const Impl& ); + +public: + ControlInterface& mControlInterface; ///< Reference to the text controller. LogicalModelPtr mLogicalModel; ///< Pointer to the logical model. VisualModelPtr mVisualModel; ///< Pointer to the visual model. @@ -540,12 +617,21 @@ struct Controller::Impl LayoutEngine mLayoutEngine; ///< The layout engine. Vector mModifyEvents; ///< Temporary stores the text set until the next relayout. Vector4 mTextColor; ///< The regular text color - Vector2 mAlignmentOffset; ///< Vertical and horizontal offset of the whole text inside the control due to alignment. + /** + * 0,0 means that the top-left corner of the layout matches the top-left corner of the UI control. + * Typically this will have a negative value with scrolling occurs. + */ + Vector2 mScrollPosition; ///< The text is offset by this position when scrolling. + TextUpdateInfo mTextUpdateInfo; ///< Info of the characters updated. OperationsMask mOperationsPending; ///< Operations pending to be done to layout the text. Length mMaximumNumberOfCharacters; ///< Maximum number of characters that can be inserted. bool mRecalculateNaturalSize:1; ///< Whether the natural size needs to be recalculated. bool mMarkupProcessorEnabled:1; ///< Whether the mark-up procesor is enabled. + bool mClipboardHideEnabled:1; ///< Whether the ClipboardHide function work or not + bool mAutoScrollEnabled:1; ///< Whether auto text scrolling is enabled. + CharacterDirection mAutoScrollDirectionRTL:1; ///< Direction of auto scrolling, true if rtl + }; } // namespace Text