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.cpp;h=9f524dc9b3e2a5a8e67d88c208ee716f4086e0f2;hp=36314c9a4f791192ddd39b3c0806f29828301dca;hb=97ad1b9af574f894127d52691d793b219b7003e0;hpb=6e208aaad38b77bce2b7c5955196d5770d8b75a9 diff --git a/dali-toolkit/internal/text/text-controller.cpp b/dali-toolkit/internal/text/text-controller.cpp index 36314c9..9f524dc 100755 --- a/dali-toolkit/internal/text/text-controller.cpp +++ b/dali-toolkit/internal/text/text-controller.cpp @@ -20,6 +20,7 @@ // EXTERNAL INCLUDES #include +#include #include #include #include @@ -69,6 +70,17 @@ float ConvertToEven( float value ) return static_cast( intValue + ( intValue & 1 ) ); } +int ConvertPixelToPint( float pixel ) +{ + unsigned int horizontalDpi = 0u; + unsigned int verticalDpi = 0u; + Dali::TextAbstraction::FontClient fontClient = Dali::TextAbstraction::FontClient::Get(); + fontClient.GetDpi( horizontalDpi, verticalDpi ); + + return ( pixel * 72.f ) / static_cast< float >( horizontalDpi ); +} + + } // namespace namespace Dali @@ -384,6 +396,18 @@ void Controller::SetHorizontalAlignment( Text::HorizontalAlignment::Type alignme // Set the flag to redo the alignment operation. mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | ALIGN ); + if( mImpl->mEventData ) + { + mImpl->mEventData->mUpdateAlignment = true; + + // Update the cursor if it's in editing mode + if( EventData::IsEditingState( mImpl->mEventData->mState ) ) + { + mImpl->ChangeState( EventData::EDITING ); + mImpl->mEventData->mUpdateCursorPosition = true; + } + } + mImpl->RequestRelayout(); } } @@ -480,6 +504,92 @@ bool Controller::IsTextElideEnabled() const return mImpl->mModel->mElideEnabled; } +void Controller::SetTextFitEnabled(bool enabled) +{ + mImpl->mTextFitEnabled = enabled; +} + +bool Controller::IsTextFitEnabled() const +{ + return mImpl->mTextFitEnabled; +} + +void Controller::SetTextFitMinSize( float minSize, FontSizeType type ) +{ + switch( type ) + { + case POINT_SIZE: + { + mImpl->mTextFitMinSize = minSize; + break; + } + case PIXEL_SIZE: + { + mImpl->mTextFitMinSize = ConvertPixelToPint( minSize ); + break; + } + } +} + +float Controller::GetTextFitMinSize() const +{ + return mImpl->mTextFitMinSize; +} + +void Controller::SetTextFitMaxSize( float maxSize, FontSizeType type ) +{ + switch( type ) + { + case POINT_SIZE: + { + mImpl->mTextFitMaxSize = maxSize; + break; + } + case PIXEL_SIZE: + { + mImpl->mTextFitMaxSize = ConvertPixelToPint( maxSize ); + break; + } + } +} + +float Controller::GetTextFitMaxSize() const +{ + return mImpl->mTextFitMaxSize; +} + +void Controller::SetTextFitStepSize( float step, FontSizeType type ) +{ + switch( type ) + { + case POINT_SIZE: + { + mImpl->mTextFitStepSize = step; + break; + } + case PIXEL_SIZE: + { + mImpl->mTextFitStepSize = ConvertPixelToPint( step ); + break; + } + } +} + +float Controller::GetTextFitStepSize() const +{ + return mImpl->mTextFitStepSize; +} + +void Controller::SetTextFitContentSize(Vector2 size) +{ + mImpl->mTextFitContentSize = size; +} + +Vector2 Controller::GetTextFitContentSize() const +{ + return mImpl->mTextFitContentSize; +} + void Controller::SetPlaceholderTextElideEnabled( bool enabled ) { mImpl->mEventData->mIsPlaceholderElideEnabled = enabled; @@ -1145,6 +1255,10 @@ void Controller::SetDefaultColor( const Vector4& color ) { mImpl->mModel->mVisualModel->SetTextColor( color ); + mImpl->mModel->mLogicalModel->mColorRuns.Clear(); + + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | COLOR ); + mImpl->RequestRelayout(); } } @@ -1343,7 +1457,7 @@ const std::string& Controller::GetDefaultOutlineProperties() const bool Controller::SetDefaultLineSpacing( float lineSpacing ) { - if( std::abs(lineSpacing - mImpl->mLayoutEngine.GetDefaultLineSpacing()) > Math::MACHINE_EPSILON_1000 ) + if( std::fabs( lineSpacing - mImpl->mLayoutEngine.GetDefaultLineSpacing() ) > Math::MACHINE_EPSILON_1000 ) { mImpl->mLayoutEngine.SetDefaultLineSpacing(lineSpacing); mImpl->mRecalculateNaturalSize = true; @@ -1991,6 +2105,98 @@ Vector3 Controller::GetNaturalSize() return naturalSize; } +bool Controller::CheckForTextFit( float pointSize, Size& layoutSize ) +{ + Size textSize; + mImpl->mFontDefaults->mFitPointSize = pointSize; + mImpl->mFontDefaults->sizeDefined = true; + ClearFontData(); + + // Operations that can be done only once until the text changes. + const OperationsMask onlyOnceOperations = static_cast( CONVERT_TO_UTF32 | + GET_SCRIPTS | + VALIDATE_FONTS | + GET_LINE_BREAKS | + GET_WORD_BREAKS | + BIDI_INFO | + SHAPE_TEXT| + GET_GLYPH_METRICS ); + + mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u; + mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mModel->mLogicalModel->mText.Count(); + + // Make sure the model is up-to-date before layouting + mImpl->UpdateModel( onlyOnceOperations ); + + DoRelayout( Size( layoutSize.width, MAX_FLOAT ), + static_cast( onlyOnceOperations | LAYOUT), + textSize); + + // Clear the update info. This info will be set the next time the text is updated. + mImpl->mTextUpdateInfo.Clear(); + mImpl->mTextUpdateInfo.mClearAll = true; + + if( textSize.width > layoutSize.width || textSize.height > layoutSize.height ) + { + return false; + } + return true; +} + +void Controller::FitPointSizeforLayout( Size layoutSize ) +{ + const OperationsMask operations = mImpl->mOperationsPending; + if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) ) + { + bool actualellipsis = mImpl->mModel->mElideEnabled; + float minPointSize = mImpl->mTextFitMinSize; + float maxPointSize = mImpl->mTextFitMaxSize; + float pointInterval = mImpl->mTextFitStepSize; + + mImpl->mModel->mElideEnabled = false; + Vector pointSizeArray; + + // check zero value + if( pointInterval < 1.f ) + { + mImpl->mTextFitStepSize = pointInterval = 1.0f; + } + + pointSizeArray.Reserve( static_cast< unsigned int >( ceil( ( maxPointSize - minPointSize ) / pointInterval ) ) ); + + for( float i = minPointSize; i < maxPointSize; i += pointInterval ) + { + pointSizeArray.PushBack( i ); + } + + pointSizeArray.PushBack( maxPointSize ); + + int bestSizeIndex = 0; + int min = bestSizeIndex + 1; + int max = pointSizeArray.Size() - 1; + while( min <= max ) + { + int destI = ( min + max ) / 2; + + if( CheckForTextFit( pointSizeArray[destI], layoutSize ) ) + { + bestSizeIndex = min; + min = destI + 1; + } + else + { + max = destI - 1; + bestSizeIndex = max; + } + } + + mImpl->mModel->mElideEnabled = actualellipsis; + mImpl->mFontDefaults->mFitPointSize = pointSizeArray[bestSizeIndex]; + mImpl->mFontDefaults->sizeDefined = true; + ClearFontData(); + } +} + float Controller::GetHeightForWidth( float width ) { DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetHeightForWidth %p width %f\n", this, width ); @@ -3506,6 +3712,17 @@ bool Controller::RemoveText( int cursorOffset, } } + // If the number of current text and the number of characters to be deleted are same, + // it means all texts should be removed and all Preedit variables should be initialized. + if( ( currentText.Count() - numberOfCharacters == 0 ) && ( cursorIndex == 0 ) ) + { + if( mImpl->mEventData ) + { + mImpl->mEventData->mPreEditStartPosition = 0; + mImpl->mEventData->mPreEditLength = 0; + } + } + // Updates the text style runs by removing characters. Runs with no characters are removed. mImpl->mModel->mLogicalModel->UpdateTextStyleRuns( cursorIndex, -numberOfCharacters ); @@ -3585,7 +3802,7 @@ bool Controller::DoRelayout( const Size& size, // Make sure the index is not out of bound if ( charactersToGlyph.Count() != glyphsPerCharacter.Count() || requestedNumberOfCharacters > charactersToGlyph.Count() || - ( lastIndex >= charactersToGlyph.Count() && charactersToGlyph.Count() > 0u ) ) + ( lastIndex > charactersToGlyph.Count() && charactersToGlyph.Count() > 0u ) ) { std::string currentText; GetText( currentText ); @@ -3751,11 +3968,23 @@ bool Controller::DoRelayout( const Size& size, // The laid-out lines. Vector& lines = mImpl->mModel->mVisualModel->mLines; + CharacterIndex alignStartIndex = startIndex; + Length alignRequestedNumberOfCharacters = requestedNumberOfCharacters; + + // the whole text needs to be full aligned. + // If you do not do a full aligned, only the last line of the multiline input is aligned. + if( mImpl->mEventData && mImpl->mEventData->mUpdateAlignment ) + { + alignStartIndex = 0u; + alignRequestedNumberOfCharacters = mImpl->mModel->mLogicalModel->mText.Count(); + mImpl->mEventData->mUpdateAlignment = false; + } + // Need to align with the control's size as the text may contain lines // starting either with left to right text or right to left. mImpl->mLayoutEngine.Align( size, - startIndex, - requestedNumberOfCharacters, + alignStartIndex, + alignRequestedNumberOfCharacters, mImpl->mModel->mHorizontalAlignment, lines, mImpl->mModel->mAlignmentOffset,