X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Ftext%2Ftext-controller-impl.cpp;h=7938931613878724ff42bd46e55a877ca80b2115;hp=c37c7be7319f9fce07fcb92f021319a6977fab4c;hb=ded447ca28a294ce011a4c1f25f481b1cc04eefd;hpb=b9f461d2ec1241a63cd866524aaf422b94f057ae diff --git a/dali-toolkit/internal/text/text-controller-impl.cpp b/dali-toolkit/internal/text/text-controller-impl.cpp index c37c7be..7938931 100644 --- a/dali-toolkit/internal/text/text-controller-impl.cpp +++ b/dali-toolkit/internal/text/text-controller-impl.cpp @@ -26,7 +26,7 @@ #include #include #include -#include +#include #include #include #include @@ -300,17 +300,17 @@ void Controller::Impl::CalculateTextUpdateIndices( Length& numberOfCharacters ) } else { - CharacterIndex lastIndex = 0u; + Length numberOfCharactersToUpdate = 0u; if( mTextUpdateInfo.mFullRelayoutNeeded ) { - lastIndex = mTextUpdateInfo.mPreviousNumberOfCharacters; + numberOfCharactersToUpdate = mTextUpdateInfo.mPreviousNumberOfCharacters; } else { - lastIndex = ( mTextUpdateInfo.mNumberOfCharactersToRemove > 0u ) ? mTextUpdateInfo.mNumberOfCharactersToRemove : 1u; + numberOfCharactersToUpdate = ( mTextUpdateInfo.mNumberOfCharactersToRemove > 0u ) ? mTextUpdateInfo.mNumberOfCharactersToRemove : 1u; } mLogicalModel->FindParagraphs( mTextUpdateInfo.mCharacterIndex, - lastIndex, + numberOfCharactersToUpdate, paragraphsToBeUpdated ); } @@ -345,36 +345,36 @@ void Controller::Impl::CalculateTextUpdateIndices( Length& numberOfCharacters ) void Controller::Impl::ClearFullModelData( OperationsMask operations ) { - if( GET_LINE_BREAKS & operations ) + if( NO_OPERATION != ( GET_LINE_BREAKS & operations ) ) { mLogicalModel->mLineBreakInfo.Clear(); mLogicalModel->mParagraphInfo.Clear(); } - if( GET_WORD_BREAKS & operations ) + if( NO_OPERATION != ( GET_WORD_BREAKS & operations ) ) { mLogicalModel->mLineBreakInfo.Clear(); } - if( GET_SCRIPTS & operations ) + if( NO_OPERATION != ( GET_SCRIPTS & operations ) ) { mLogicalModel->mScriptRuns.Clear(); } - if( VALIDATE_FONTS & operations ) + if( NO_OPERATION != ( VALIDATE_FONTS & operations ) ) { mLogicalModel->mFontRuns.Clear(); } if( 0u != mLogicalModel->mBidirectionalParagraphInfo.Count() ) { - if( BIDI_INFO & operations ) + if( NO_OPERATION != ( BIDI_INFO & operations ) ) { mLogicalModel->mBidirectionalParagraphInfo.Clear(); mLogicalModel->mCharacterDirections.Clear(); } - if( REORDER & operations ) + if( NO_OPERATION != ( REORDER & operations ) ) { // Free the allocated memory used to store the conversion table in the bidirectional line info run. for( Vector::Iterator it = mLogicalModel->mBidirectionalLineInfo.Begin(), @@ -388,13 +388,10 @@ void Controller::Impl::ClearFullModelData( OperationsMask operations ) bidiLineInfo.visualToLogicalMap = NULL; } mLogicalModel->mBidirectionalLineInfo.Clear(); - - mLogicalModel->mLogicalToVisualMap.Clear(); - mLogicalModel->mVisualToLogicalMap.Clear(); } } - if( SHAPE_TEXT & operations ) + if( NO_OPERATION != ( SHAPE_TEXT & operations ) ) { mVisualModel->mGlyphs.Clear(); mVisualModel->mGlyphsToCharacters.Clear(); @@ -404,12 +401,12 @@ void Controller::Impl::ClearFullModelData( OperationsMask operations ) mVisualModel->mGlyphPositions.Clear(); } - if( LAYOUT & operations ) + if( NO_OPERATION != ( LAYOUT & operations ) ) { mVisualModel->mLines.Clear(); } - if( COLOR & operations ) + if( NO_OPERATION != ( COLOR & operations ) ) { mVisualModel->mColorIndices.Clear(); } @@ -419,7 +416,7 @@ void Controller::Impl::ClearCharacterModelData( CharacterIndex startIndex, Chara { const CharacterIndex endIndexPlusOne = endIndex + 1u; - if( GET_LINE_BREAKS & operations ) + if( NO_OPERATION != ( GET_LINE_BREAKS & operations ) ) { // Clear the line break info. LineBreakInfo* lineBreakInfoBuffer = mLogicalModel->mLineBreakInfo.Begin(); @@ -433,7 +430,7 @@ void Controller::Impl::ClearCharacterModelData( CharacterIndex startIndex, Chara mLogicalModel->mParagraphInfo ); } - if( GET_WORD_BREAKS & operations ) + if( NO_OPERATION != ( GET_WORD_BREAKS & operations ) ) { // Clear the word break info. WordBreakInfo* wordBreakInfoBuffer = mLogicalModel->mWordBreakInfo.Begin(); @@ -442,7 +439,7 @@ void Controller::Impl::ClearCharacterModelData( CharacterIndex startIndex, Chara wordBreakInfoBuffer + endIndexPlusOne ); } - if( GET_SCRIPTS & operations ) + if( NO_OPERATION != ( GET_SCRIPTS & operations ) ) { // Clear the scripts. ClearCharacterRuns( startIndex, @@ -450,7 +447,7 @@ void Controller::Impl::ClearCharacterModelData( CharacterIndex startIndex, Chara mLogicalModel->mScriptRuns ); } - if( VALIDATE_FONTS & operations ) + if( NO_OPERATION != ( VALIDATE_FONTS & operations ) ) { // Clear the fonts. ClearCharacterRuns( startIndex, @@ -460,7 +457,7 @@ void Controller::Impl::ClearCharacterModelData( CharacterIndex startIndex, Chara if( 0u != mLogicalModel->mBidirectionalParagraphInfo.Count() ) { - if( BIDI_INFO & operations ) + if( NO_OPERATION != ( BIDI_INFO & operations ) ) { // Clear the bidirectional paragraph info. ClearCharacterRuns( startIndex, @@ -474,7 +471,7 @@ void Controller::Impl::ClearCharacterModelData( CharacterIndex startIndex, Chara characterDirectionsBuffer + endIndexPlusOne ); } - if( REORDER & operations ) + if( NO_OPERATION != ( REORDER & operations ) ) { uint32_t startRemoveIndex = mLogicalModel->mBidirectionalLineInfo.Count(); uint32_t endRemoveIndex = startRemoveIndex; @@ -500,15 +497,6 @@ void Controller::Impl::ClearCharacterModelData( CharacterIndex startIndex, Chara mLogicalModel->mBidirectionalLineInfo.Erase( bidirectionalLineInfoBuffer + startRemoveIndex, bidirectionalLineInfoBuffer + endRemoveIndex ); - - // Clear the logical to visual and the visual to logical conversion tables. - CharacterIndex* logicalToVisualMapBuffer = mLogicalModel->mLogicalToVisualMap.Begin(); - mLogicalModel->mLogicalToVisualMap.Erase( logicalToVisualMapBuffer + startIndex, - logicalToVisualMapBuffer + endIndexPlusOne ); - - CharacterIndex* visualToLogicalMapBuffer = mLogicalModel->mVisualToLogicalMap.Begin(); - mLogicalModel->mVisualToLogicalMap.Erase( visualToLogicalMapBuffer + startIndex, - visualToLogicalMapBuffer + endIndexPlusOne ); } } } @@ -525,7 +513,7 @@ void Controller::Impl::ClearGlyphModelData( CharacterIndex startIndex, Character const GlyphIndex endGlyphIndexPlusOne = *( charactersToGlyphBuffer + endIndex ) + *( glyphsPerCharacterBuffer + endIndex ); const Length numberOfGlyphsRemoved = endGlyphIndexPlusOne - mTextUpdateInfo.mStartGlyphIndex; - if( SHAPE_TEXT & operations ) + if( NO_OPERATION != ( SHAPE_TEXT & operations ) ) { // Update the character to glyph indices. for( Vector::Iterator it = charactersToGlyphBuffer + endIndexPlusOne, @@ -577,7 +565,7 @@ void Controller::Impl::ClearGlyphModelData( CharacterIndex startIndex, Character positionsBuffer + endGlyphIndexPlusOne ); } - if( LAYOUT & operations ) + if( NO_OPERATION != ( LAYOUT & operations ) ) { // Clear the lines. uint32_t startRemoveIndex = mVisualModel->mLines.Count(); @@ -605,7 +593,7 @@ void Controller::Impl::ClearGlyphModelData( CharacterIndex startIndex, Character linesBuffer + endRemoveIndex ); } - if( COLOR & operations ) + if( NO_OPERATION != ( COLOR & operations ) ) { if( 0u != mVisualModel->mColorIndices.Count() ) { @@ -667,7 +655,7 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired ) if( mTextUpdateInfo.mClearAll || ( 0u != paragraphCharacters ) ) { - ClearModelData( startIndex, startIndex + ( ( paragraphCharacters > 0u ) ? paragraphCharacters - 1u : 0u ), operationsRequired ); + ClearModelData( startIndex, startIndex + ( ( paragraphCharacters > 0u ) ? paragraphCharacters - 1u : 0u ), operations ); } mTextUpdateInfo.mClearAll = false; @@ -678,7 +666,7 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired ) Vector& lineBreakInfo = mLogicalModel->mLineBreakInfo; const Length requestedNumberOfCharacters = mTextUpdateInfo.mRequestedNumberOfCharacters; - if( GET_LINE_BREAKS & operations ) + if( NO_OPERATION != ( GET_LINE_BREAKS & operations ) ) { // Retrieves the line break info. The line break info is used to split the text in 'paragraphs' to // calculate the bidirectional info for each 'paragraph'. @@ -698,7 +686,7 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired ) } Vector& wordBreakInfo = mLogicalModel->mWordBreakInfo; - if( GET_WORD_BREAKS & operations ) + if( NO_OPERATION != ( GET_WORD_BREAKS & operations ) ) { // Retrieves the word break info. The word break info is used to layout the text (where to wrap the text in lines). wordBreakInfo.Resize( numberOfCharacters, TextAbstraction::WORD_NO_BREAK ); @@ -710,8 +698,8 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired ) updated = true; } - const bool getScripts = GET_SCRIPTS & operations; - const bool validateFonts = VALIDATE_FONTS & operations; + const bool getScripts = NO_OPERATION != ( GET_SCRIPTS & operations ); + const bool validateFonts = NO_OPERATION != ( VALIDATE_FONTS & operations ); Vector& scripts = mLogicalModel->mScriptRuns; Vector& validFonts = mLogicalModel->mFontRuns; @@ -755,7 +743,7 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired ) Vector mirroredUtf32Characters; bool textMirrored = false; const Length numberOfParagraphs = mLogicalModel->mParagraphInfo.Count(); - if( BIDI_INFO & operations ) + if( NO_OPERATION != ( BIDI_INFO & operations ) ) { Vector& bidirectionalInfo = mLogicalModel->mBidirectionalParagraphInfo; bidirectionalInfo.Reserve( numberOfParagraphs ); @@ -803,7 +791,7 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired ) newParagraphGlyphs.Reserve( numberOfParagraphs ); const Length currentNumberOfGlyphs = glyphs.Count(); - if( SHAPE_TEXT & operations ) + if( NO_OPERATION != ( SHAPE_TEXT & operations ) ) { const Vector& textToShape = textMirrored ? mirroredUtf32Characters : utf32Characters; // Shapes the text. @@ -827,7 +815,7 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired ) const Length numberOfGlyphs = glyphs.Count() - currentNumberOfGlyphs; - if( GET_GLYPH_METRICS & operations ) + if( NO_OPERATION != ( GET_GLYPH_METRICS & operations ) ) { GlyphInfo* glyphsBuffer = glyphs.Begin(); mMetrics->GetGlyphMetrics( glyphsBuffer + mTextUpdateInfo.mStartGlyphIndex, numberOfGlyphs ); @@ -845,7 +833,7 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired ) updated = true; } - if( COLOR & operationsRequired ) + if( NO_OPERATION != ( COLOR & operations ) ) { // Set the color runs in glyphs. SetColorSegmentationInfo( mLogicalModel->mColorRuns, @@ -1013,8 +1001,11 @@ void Controller::Impl::OnTapEvent( const Event& event ) const float xPosition = event.p2.mFloat - mEventData->mScrollPosition.x - mAlignmentOffset.x; const float yPosition = event.p3.mFloat - mEventData->mScrollPosition.y - mAlignmentOffset.y; - mEventData->mPrimaryCursorPosition = GetClosestCursorIndex( xPosition, - yPosition ); + mEventData->mPrimaryCursorPosition = Text::GetClosestCursorIndex( mVisualModel, + mLogicalModel, + mMetrics, + xPosition, + yPosition ); // When the cursor position is changing, delay cursor blinking mEventData->mDecorator->DelayCursorBlink(); @@ -1105,7 +1096,11 @@ void Controller::Impl::OnHandleEvent( const Event& event ) const float xPosition = event.p2.mFloat - mEventData->mScrollPosition.x - mAlignmentOffset.x; const float yPosition = event.p3.mFloat - mEventData->mScrollPosition.y - mAlignmentOffset.y; - const CharacterIndex handleNewPosition = GetClosestCursorIndex( xPosition, yPosition ); + const CharacterIndex handleNewPosition = Text::GetClosestCursorIndex( mVisualModel, + mLogicalModel, + mMetrics, + xPosition, + yPosition ); if( Event::GRAB_HANDLE_EVENT == event.type ) { @@ -1152,7 +1147,11 @@ void Controller::Impl::OnHandleEvent( const Event& event ) const float xPosition = event.p2.mFloat - mEventData->mScrollPosition.x - mAlignmentOffset.x; const float yPosition = event.p3.mFloat - mEventData->mScrollPosition.y - mAlignmentOffset.y; - handlePosition = GetClosestCursorIndex( xPosition, yPosition ); + handlePosition = Text::GetClosestCursorIndex( mVisualModel, + mLogicalModel, + mMetrics, + xPosition, + yPosition ); } if( Event::GRAB_HANDLE_EVENT == event.type ) @@ -1239,8 +1238,11 @@ void Controller::Impl::OnHandleEvent( const Event& event ) // Get the new handle position. // The grab handle's position is in decorator coords. Need to transforms to text coords. - const CharacterIndex handlePosition = GetClosestCursorIndex( position.x - mEventData->mScrollPosition.x - mAlignmentOffset.x, - position.y - mEventData->mScrollPosition.y - mAlignmentOffset.y ); + const CharacterIndex handlePosition = Text::GetClosestCursorIndex( mVisualModel, + mLogicalModel, + mMetrics, + position.x - mEventData->mScrollPosition.x - mAlignmentOffset.x, + position.y - mEventData->mScrollPosition.y - mAlignmentOffset.y ); mEventData->mUpdateCursorPosition = mEventData->mPrimaryCursorPosition != handlePosition; mEventData->mScrollAfterUpdatePosition = mEventData->mUpdateCursorPosition; @@ -1261,8 +1263,11 @@ void Controller::Impl::OnHandleEvent( const Event& event ) // Get the new handle position. // The selection handle's position is in decorator coords. Need to transforms to text coords. - const CharacterIndex handlePosition = GetClosestCursorIndex( position.x - mEventData->mScrollPosition.x - mAlignmentOffset.x, - position.y - mEventData->mScrollPosition.y - mAlignmentOffset.y ); + const CharacterIndex handlePosition = Text::GetClosestCursorIndex( mVisualModel, + mLogicalModel, + mMetrics, + position.x - mEventData->mScrollPosition.x - mAlignmentOffset.x, + position.y - mEventData->mScrollPosition.y - mAlignmentOffset.y ); if( leftSelectionHandleEvent ) { @@ -1402,12 +1407,17 @@ void Controller::Impl::ShowClipboard() void Controller::Impl::HideClipboard() { - if( mClipboard ) + if( mClipboard && mClipboardHideEnabled ) { mClipboard.HideClipboard(); } } +void Controller::Impl::SetClipboardHideEnable(bool enable) +{ + mClipboardHideEnabled = enable; +} + bool Controller::Impl::CopyStringToClipboard( std::string& source ) { //Send string to clipboard @@ -1610,7 +1620,13 @@ void Controller::Impl::RepositionSelectionHandles( float visualX, float visualY // Find which word was selected CharacterIndex selectionStart( 0 ); CharacterIndex selectionEnd( 0 ); - FindSelectionIndices( visualX, visualY, selectionStart, selectionEnd ); + FindSelectionIndices( mVisualModel, + mLogicalModel, + mMetrics, + visualX, + visualY, + selectionStart, + selectionEnd ); DALI_LOG_INFO( gLogFilter, Debug::Verbose, "%p selectionStart %d selectionEnd %d\n", this, selectionStart, selectionEnd ); if( selectionStart == selectionEnd ) @@ -1844,215 +1860,9 @@ void Controller::Impl::ChangeState( EventData::State newState ) } } -LineIndex Controller::Impl::GetClosestLine( float y ) const -{ - float totalHeight = 0.f; - LineIndex lineIndex = 0u; - - const Vector& lines = mVisualModel->mLines; - for( LineIndex endLine = lines.Count(); - lineIndex < endLine; - ++lineIndex ) - { - const LineRun& lineRun = lines[lineIndex]; - totalHeight += lineRun.ascender + -lineRun.descender; - if( y < totalHeight ) - { - return lineIndex; - } - } - - if( lineIndex == 0 ) - { - return 0; - } - - return lineIndex-1; -} - -void Controller::Impl::FindSelectionIndices( float visualX, float visualY, CharacterIndex& startIndex, CharacterIndex& endIndex ) -{ - CharacterIndex hitCharacter = GetClosestCursorIndex( visualX, visualY ); - DALI_ASSERT_DEBUG( hitCharacter <= mLogicalModel->mText.Count() && "GetClosestCursorIndex returned out of bounds index" ); - - if( mLogicalModel->mText.Count() == 0 ) - { - return; // if model empty - } - - if( hitCharacter >= mLogicalModel->mText.Count() ) - { - // Closest hit character is the last character. - if( hitCharacter == mLogicalModel->mText.Count() ) - { - hitCharacter--; //Hit character index set to last character in logical model - } - else - { - // hitCharacter is out of bounds - return; - } - } - - startIndex = hitCharacter; - endIndex = hitCharacter; - bool isHitCharacterWhitespace = TextAbstraction::IsWhiteSpace( mLogicalModel->mText[hitCharacter] ); - - // Find the start and end of the text - for( startIndex = hitCharacter; startIndex > 0; --startIndex ) - { - if( isHitCharacterWhitespace != TextAbstraction::IsWhiteSpace( mLogicalModel->mText[ startIndex-1 ] ) ) - { - break; - } - } - const CharacterIndex pastTheEnd = mLogicalModel->mText.Count(); - for( endIndex = hitCharacter + 1u; endIndex < pastTheEnd; ++endIndex ) - { - if( isHitCharacterWhitespace != TextAbstraction::IsWhiteSpace( mLogicalModel->mText[ endIndex ] ) ) - { - break; - } - } -} - -CharacterIndex Controller::Impl::GetClosestCursorIndex( float visualX, - float visualY ) -{ - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "GetClosestCursorIndex %p closest visualX %f visualY %f\n", this, visualX, visualY ); - - if( NULL == mEventData ) - { - // Nothing to do if there is no text input. - return 0u; - } - - CharacterIndex logicalIndex = 0u; - - const Length numberOfGlyphs = mVisualModel->mGlyphs.Count(); - const Length numberOfLines = mVisualModel->mLines.Count(); - if( ( 0 == numberOfGlyphs ) || - ( 0 == numberOfLines ) ) - { - return logicalIndex; - } - - // Find which line is closest - const LineIndex lineIndex = GetClosestLine( visualY ); - const LineRun& line = mVisualModel->mLines[lineIndex]; - - // Get the positions of the glyphs. - const Vector& positions = mVisualModel->mGlyphPositions; - const Vector2* const positionsBuffer = positions.Begin(); - - // Get the visual to logical conversion tables. - const CharacterIndex* const visualToLogicalBuffer = ( 0u != mLogicalModel->mVisualToLogicalMap.Count() ) ? mLogicalModel->mVisualToLogicalMap.Begin() : NULL; - const CharacterIndex* const visualToLogicalCursorBuffer = mLogicalModel->mVisualToLogicalCursorMap.Begin(); - - // Get the character to glyph conversion table. - const GlyphIndex* const charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin(); - - // Get the glyphs per character table. - const Length* const glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin(); - - // Get the glyph's info buffer. - const GlyphInfo* const glyphInfoBuffer = mVisualModel->mGlyphs.Begin(); - - // If the vector is void, there is no right to left characters. - const bool hasRightToLeftCharacters = NULL != visualToLogicalBuffer; - - const CharacterIndex startCharacter = line.characterRun.characterIndex; - const CharacterIndex endCharacter = line.characterRun.characterIndex + line.characterRun.numberOfCharacters; - DALI_ASSERT_DEBUG( endCharacter <= mLogicalModel->mText.Count() && "Invalid line info" ); - - // Whether there is a hit on a glyph. - bool matched = false; - - // Traverses glyphs in visual order. To do that use the visual to logical conversion table. - CharacterIndex visualIndex = startCharacter; - Length numberOfCharacters = 0u; - for( ; !matched && ( visualIndex < endCharacter ); ++visualIndex ) - { - // The character in logical order. - const CharacterIndex characterLogicalOrderIndex = hasRightToLeftCharacters ? *( visualToLogicalBuffer + visualIndex ) : visualIndex; - - // Get the script of the character. - const Script script = mLogicalModel->GetScript( characterLogicalOrderIndex ); - - // The number of glyphs for that character - const Length numberOfGlyphs = *( glyphsPerCharacterBuffer + characterLogicalOrderIndex ); - ++numberOfCharacters; - - - if( 0u != numberOfGlyphs ) - { - // Get the first character/glyph of the group of glyphs. - const CharacterIndex firstVisualCharacterIndex = 1u + visualIndex - numberOfCharacters; - const CharacterIndex firstLogicalCharacterIndex = hasRightToLeftCharacters ? *( visualToLogicalBuffer + firstVisualCharacterIndex ) : firstVisualCharacterIndex; - const GlyphIndex firstLogicalGlyphIndex = *( charactersToGlyphBuffer + firstLogicalCharacterIndex ); - - // Get the metrics for the group of glyphs. - GlyphMetrics glyphMetrics; - GetGlyphsMetrics( firstLogicalGlyphIndex, - numberOfGlyphs, - glyphMetrics, - glyphInfoBuffer, - mMetrics ); - - // Get the position of the first glyph. - const Vector2& position = *( positionsBuffer + firstLogicalGlyphIndex ); - - // Whether the glyph can be split, like Latin ligatures fi, ff or Arabic ï»». - const bool isInterglyphIndex = ( numberOfCharacters > numberOfGlyphs ) && HasLigatureMustBreak( script ); - const Length numberOfBlocks = isInterglyphIndex ? numberOfCharacters : 1u; - const float glyphAdvance = glyphMetrics.advance / static_cast( numberOfBlocks ); - - GlyphIndex index = 0u; - for( ; !matched && ( index < numberOfBlocks ); ++index ) - { - // Find the mid-point of the area containing the glyph - const float glyphCenter = -glyphMetrics.xBearing + position.x + ( static_cast( index ) + 0.5f ) * glyphAdvance; - - if( visualX < glyphCenter ) - { - matched = true; - break; - } - } - - if( matched ) - { - visualIndex = firstVisualCharacterIndex + index; - break; - } - - numberOfCharacters = 0u; - } - - } - - - // Return the logical position of the cursor in characters. - - if( !matched ) - { - visualIndex = endCharacter; - } - - logicalIndex = hasRightToLeftCharacters ? *( visualToLogicalCursorBuffer + visualIndex ) : visualIndex; - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "%p closest visualIndex %d logicalIndex %d\n", this, visualIndex, logicalIndex ); - - DALI_ASSERT_DEBUG( ( logicalIndex <= mLogicalModel->mText.Count() && logicalIndex >= 0 ) && "GetClosestCursorIndex - Out of bounds index" ); - - return logicalIndex; -} - void Controller::Impl::GetCursorPosition( CharacterIndex logical, CursorInfo& cursorInfo ) { - // TODO: Check for multiline with \n, etc... - - const Length numberOfCharacters = mLogicalModel->mText.Count(); if( !IsShowingRealText() ) { // Do not want to use the place-holder text to set the cursor position. @@ -2107,183 +1917,11 @@ void Controller::Impl::GetCursorPosition( CharacterIndex logical, return; } - // Check if the logical position is the first or the last one of the text. - const bool isFirstPosition = 0u == logical; - const bool isLastPosition = numberOfCharacters == logical; - - // 'logical' is the logical 'cursor' index. - // Get the next and current logical 'character' index. - const CharacterIndex nextCharacterIndex = logical; - const CharacterIndex characterIndex = isFirstPosition ? logical : logical - 1u; - - // Get the direction of the character and the next one. - const CharacterDirection* const modelCharacterDirectionsBuffer = ( 0u != mLogicalModel->mCharacterDirections.Count() ) ? mLogicalModel->mCharacterDirections.Begin() : NULL; - - CharacterDirection isCurrentRightToLeft = false; - CharacterDirection isNextRightToLeft = false; - if( NULL != modelCharacterDirectionsBuffer ) // If modelCharacterDirectionsBuffer is NULL, it means the whole text is left to right. - { - isCurrentRightToLeft = *( modelCharacterDirectionsBuffer + characterIndex ); - isNextRightToLeft = *( modelCharacterDirectionsBuffer + nextCharacterIndex ); - } - - // Get the line where the character is laid-out. - const LineRun* const modelLines = mVisualModel->mLines.Begin(); - - const LineIndex lineIndex = mVisualModel->GetLineOfCharacter( characterIndex ); - const LineRun& line = *( modelLines + lineIndex ); - - // Get the paragraph's direction. - const CharacterDirection isRightToLeftParagraph = line.direction; - - // Check whether there is an alternative position: - - cursorInfo.isSecondaryCursor = ( !isLastPosition && ( isCurrentRightToLeft != isNextRightToLeft ) ) || - ( isLastPosition && ( isRightToLeftParagraph != isCurrentRightToLeft ) ); - - // Set the line offset and height. - cursorInfo.lineOffset = 0.f; - cursorInfo.lineHeight = line.ascender + -line.descender; - - // Calculate the primary cursor. - - CharacterIndex index = characterIndex; - if( cursorInfo.isSecondaryCursor ) - { - // If there is a secondary position, the primary cursor may be in a different place than the logical index. - - if( isLastPosition ) - { - // The position of the cursor after the last character needs special - // care depending on its direction and the direction of the paragraph. - - // Need to find the first character after the last character with the paragraph's direction. - // i.e l0 l1 l2 r0 r1 should find r0. - - // TODO: check for more than one line! - index = isRightToLeftParagraph ? line.characterRun.characterIndex : line.characterRun.characterIndex + line.characterRun.numberOfCharacters - 1u; - index = mLogicalModel->GetLogicalCharacterIndex( index ); - } - else - { - index = ( isRightToLeftParagraph == isCurrentRightToLeft ) ? characterIndex : nextCharacterIndex; - } - } - - const GlyphIndex* const charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin(); - const Length* const glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin(); - const Length* const charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin(); - const CharacterIndex* const glyphsToCharactersBuffer = mVisualModel->mGlyphsToCharacters.Begin(); - const Vector2* const glyphPositionsBuffer = mVisualModel->mGlyphPositions.Begin(); - const GlyphInfo* const glyphInfoBuffer = mVisualModel->mGlyphs.Begin(); - - // Convert the cursor position into the glyph position. - const GlyphIndex primaryGlyphIndex = *( charactersToGlyphBuffer + index ); - const Length primaryNumberOfGlyphs = *( glyphsPerCharacterBuffer + index ); - const Length primaryNumberOfCharacters = *( charactersPerGlyphBuffer + primaryGlyphIndex ); - - // Get the metrics for the group of glyphs. - GlyphMetrics glyphMetrics; - GetGlyphsMetrics( primaryGlyphIndex, - primaryNumberOfGlyphs, - glyphMetrics, - glyphInfoBuffer, - mMetrics ); - - // Whether to add the glyph's advance to the cursor position. - // i.e if the paragraph is left to right and the logical cursor is zero, the position is the position of the first glyph and the advance is not added, - // if the logical cursor is one, the position is the position of the first glyph and the advance is added. - // A 'truth table' was build and an online Karnaugh map tool was used to simplify the logic. - // - // FLCP A - // ------ - // 0000 1 - // 0001 1 - // 0010 0 - // 0011 0 - // 0100 1 - // 0101 0 - // 0110 1 - // 0111 0 - // 1000 0 - // 1001 x - // 1010 x - // 1011 1 - // 1100 x - // 1101 x - // 1110 x - // 1111 x - // - // Where F -> isFirstPosition - // L -> isLastPosition - // C -> isCurrentRightToLeft - // P -> isRightToLeftParagraph - // A -> Whether to add the glyph's advance. - - const bool addGlyphAdvance = ( ( isLastPosition && !isRightToLeftParagraph ) || - ( isFirstPosition && isRightToLeftParagraph ) || - ( !isFirstPosition && !isLastPosition && !isCurrentRightToLeft ) ); - - float glyphAdvance = addGlyphAdvance ? glyphMetrics.advance : 0.f; - - if( !isLastPosition && - ( primaryNumberOfCharacters > 1u ) ) - { - const CharacterIndex firstIndex = *( glyphsToCharactersBuffer + primaryGlyphIndex ); - - bool isCurrentRightToLeft = false; - if( NULL != modelCharacterDirectionsBuffer ) // If modelCharacterDirectionsBuffer is NULL, it means the whole text is left to right. - { - isCurrentRightToLeft = *( modelCharacterDirectionsBuffer + index ); - } - - Length numberOfGlyphAdvance = ( isFirstPosition ? 0u : 1u ) + characterIndex - firstIndex; - if( isCurrentRightToLeft ) - { - numberOfGlyphAdvance = primaryNumberOfCharacters - numberOfGlyphAdvance; - } - - glyphAdvance = static_cast( numberOfGlyphAdvance ) * glyphMetrics.advance / static_cast( primaryNumberOfCharacters ); - } - - // Get the glyph position and x bearing. - const Vector2& primaryPosition = *( glyphPositionsBuffer + primaryGlyphIndex ); - - // Set the primary cursor's height. - cursorInfo.primaryCursorHeight = cursorInfo.isSecondaryCursor ? 0.5f * glyphMetrics.fontHeight : glyphMetrics.fontHeight; - - // Set the primary cursor's position. - cursorInfo.primaryPosition.x = -glyphMetrics.xBearing + primaryPosition.x + glyphAdvance; - cursorInfo.primaryPosition.y = line.ascender - glyphMetrics.ascender; - - // Calculate the secondary cursor. - - if( cursorInfo.isSecondaryCursor ) - { - // Set the secondary cursor's height. - cursorInfo.secondaryCursorHeight = 0.5f * glyphMetrics.fontHeight; - - CharacterIndex index = characterIndex; - if( !isLastPosition ) - { - index = ( isRightToLeftParagraph == isCurrentRightToLeft ) ? nextCharacterIndex : characterIndex; - } - - const GlyphIndex secondaryGlyphIndex = *( charactersToGlyphBuffer + index ); - const Length secondaryNumberOfGlyphs = *( glyphsPerCharacterBuffer + index ); - - const Vector2& secondaryPosition = *( glyphPositionsBuffer + secondaryGlyphIndex ); - - GetGlyphsMetrics( secondaryGlyphIndex, - secondaryNumberOfGlyphs, - glyphMetrics, - glyphInfoBuffer, - mMetrics ); - - // Set the secondary cursor's position. - cursorInfo.secondaryPosition.x = -glyphMetrics.xBearing + secondaryPosition.x + ( isCurrentRightToLeft ? 0.f : glyphMetrics.advance ); - cursorInfo.secondaryPosition.y = cursorInfo.lineHeight - cursorInfo.secondaryCursorHeight - line.descender - ( glyphMetrics.fontHeight - glyphMetrics.ascender ); - } + Text::GetCursorPosition( mVisualModel, + mLogicalModel, + mMetrics, + logical, + cursorInfo ); if( LayoutEngine::MULTI_LINE_BOX == mLayoutEngine.GetLayout() ) {