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=11a9161097836230960985f235b048101fea3ebe;hp=f22278a6897255a556119e80c68120a1d068a2e3;hb=4be17ce4114c629f694703381a0d09cca895850d;hpb=0eda96a7e3dcf860ed9e548cc56303da667d08fb diff --git a/dali-toolkit/internal/text/text-controller.cpp b/dali-toolkit/internal/text/text-controller.cpp index f22278a..11a9161 100644 --- a/dali-toolkit/internal/text/text-controller.cpp +++ b/dali-toolkit/internal/text/text-controller.cpp @@ -1,5 +1,5 @@ /* - * Copyright (c) 2015 Samsung Electronics Co., Ltd. + * Copyright (c) 2016 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. @@ -20,6 +20,7 @@ // EXTERNAL INCLUDES #include +#include #include #include #include @@ -30,6 +31,7 @@ #include #include #include +#include namespace { @@ -39,10 +41,8 @@ namespace #endif const float MAX_FLOAT = std::numeric_limits::max(); -const unsigned int POINTS_PER_INCH = 72; const std::string EMPTY_STRING(""); -const unsigned int ZERO = 0u; float ConvertToEven( float value ) { @@ -61,11 +61,65 @@ namespace Toolkit namespace Text { -ControllerPtr Controller::New( ControlInterface& controlInterface ) +/** + * @brief Adds a new font description run for the selected text. + * + * The new font parameters are added after the call to this method. + * + * @param[in] eventData The event data pointer. + * @param[in] logicalModel The logical model where to add the new font description run. + * @param[out] startOfSelectedText Index to the first selected character. + * @param[out] lengthOfSelectedText Number of selected characters. + */ +FontDescriptionRun& UpdateSelectionFontStyleRun( EventData* eventData, + LogicalModelPtr logicalModel, + CharacterIndex& startOfSelectedText, + Length& lengthOfSelectedText ) +{ + const bool handlesCrossed = eventData->mLeftSelectionPosition > eventData->mRightSelectionPosition; + + // Get start and end position of selection + startOfSelectedText = handlesCrossed ? eventData->mRightSelectionPosition : eventData->mLeftSelectionPosition; + lengthOfSelectedText = ( handlesCrossed ? eventData->mLeftSelectionPosition : eventData->mRightSelectionPosition ) - startOfSelectedText; + + // Add the font run. + const VectorBase::SizeType numberOfRuns = logicalModel->mFontDescriptionRuns.Count(); + logicalModel->mFontDescriptionRuns.Resize( numberOfRuns + 1u ); + + FontDescriptionRun& fontDescriptionRun = *( logicalModel->mFontDescriptionRuns.Begin() + numberOfRuns ); + + fontDescriptionRun.characterRun.characterIndex = startOfSelectedText; + fontDescriptionRun.characterRun.numberOfCharacters = lengthOfSelectedText; + + // Recalculate the selection highlight as the metrics may have changed. + eventData->mUpdateLeftSelectionPosition = true; + eventData->mUpdateRightSelectionPosition = true; + eventData->mUpdateHighlightBox = true; + + return fontDescriptionRun; +} + +// public : Constructor. + +ControllerPtr Controller::New() +{ + return ControllerPtr( new Controller() ); +} + +ControllerPtr Controller::New( ControlInterface* controlInterface ) { return ControllerPtr( new Controller( controlInterface ) ); } +ControllerPtr Controller::New( ControlInterface* controlInterface, + EditableControlInterface* editableControlInterface ) +{ + return ControllerPtr( new Controller( controlInterface, + editableControlInterface ) ); +} + +// public : Configure the text controller. + void Controller::EnableTextInput( DecoratorPtr decorator ) { if( NULL == mImpl->mEventData ) @@ -74,6 +128,17 @@ void Controller::EnableTextInput( DecoratorPtr decorator ) } } +void Controller::SetGlyphType( TextAbstraction::GlyphType glyphType ) +{ + // Metrics for bitmap & vector based glyphs are different + mImpl->mMetrics->SetGlyphType( glyphType ); + + // Clear the font-specific data + ClearFontData(); + + mImpl->RequestRelayout(); +} + void Controller::SetMarkupProcessorEnabled( bool enable ) { mImpl->mMarkupProcessorEnabled = enable; @@ -84,6 +149,232 @@ bool Controller::IsMarkupProcessorEnabled() const return mImpl->mMarkupProcessorEnabled; } +void Controller::SetAutoScrollEnabled( bool enable ) +{ + DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled[%s] SingleBox[%s]-> [%p]\n", (enable)?"true":"false", ( mImpl->mLayoutEngine.GetLayout() == LayoutEngine::SINGLE_LINE_BOX)?"true":"false", this ); + + if( mImpl->mLayoutEngine.GetLayout() == LayoutEngine::SINGLE_LINE_BOX ) + { + if( enable ) + { + DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled for SINGLE_LINE_BOX\n" ); + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | + LAYOUT | + ALIGN | + UPDATE_LAYOUT_SIZE | + UPDATE_DIRECTION | + REORDER ); + + } + else + { + DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled Disabling autoscroll\n"); + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | + LAYOUT | + ALIGN | + UPDATE_LAYOUT_SIZE | + REORDER ); + } + + mImpl->mIsAutoScrollEnabled = enable; + mImpl->RequestRelayout(); + } + else + { + DALI_LOG_WARNING( "Attempted AutoScrolling on a non SINGLE_LINE_BOX, request ignored\n" ); + mImpl->mIsAutoScrollEnabled = false; + } +} + +bool Controller::IsAutoScrollEnabled() const +{ + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::IsAutoScrollEnabled[%s]\n", mImpl->mIsAutoScrollEnabled?"true":"false" ); + + return mImpl->mIsAutoScrollEnabled; +} + +CharacterDirection Controller::GetAutoScrollDirection() const +{ + return mImpl->mAutoScrollDirectionRTL; +} + +float Controller::GetAutoScrollLineAlignment() const +{ + float offset = 0.f; + + if( mImpl->mVisualModel && + ( 0u != mImpl->mVisualModel->mLines.Count() ) ) + { + offset = ( *mImpl->mVisualModel->mLines.Begin() ).alignmentOffset; + } + + return offset; +} + +void Controller::SetHorizontalScrollEnabled( bool enable ) +{ + if( ( NULL != mImpl->mEventData ) && + mImpl->mEventData->mDecorator ) + { + mImpl->mEventData->mDecorator->SetHorizontalScrollEnabled( enable ); + } +} + +bool Controller::IsHorizontalScrollEnabled() const +{ + if( ( NULL != mImpl->mEventData ) && + mImpl->mEventData->mDecorator ) + { + return mImpl->mEventData->mDecorator->IsHorizontalScrollEnabled(); + } + + return false; +} + +void Controller::SetVerticalScrollEnabled( bool enable ) +{ + if( ( NULL != mImpl->mEventData ) && + mImpl->mEventData->mDecorator ) + { + if( mImpl->mEventData->mDecorator ) + { + mImpl->mEventData->mDecorator->SetVerticalScrollEnabled( enable ); + } + } +} + +bool Controller::IsVerticalScrollEnabled() const +{ + if( ( NULL != mImpl->mEventData ) && + mImpl->mEventData->mDecorator ) + { + return mImpl->mEventData->mDecorator->IsVerticalScrollEnabled(); + } + + return false; +} + +void Controller::SetSmoothHandlePanEnabled( bool enable ) +{ + if( ( NULL != mImpl->mEventData ) && + mImpl->mEventData->mDecorator ) + { + mImpl->mEventData->mDecorator->SetSmoothHandlePanEnabled( enable ); + } +} + +bool Controller::IsSmoothHandlePanEnabled() const +{ + if( ( NULL != mImpl->mEventData ) && + mImpl->mEventData->mDecorator ) + { + return mImpl->mEventData->mDecorator->IsSmoothHandlePanEnabled(); + } + + return false; +} + +void Controller::SetMaximumNumberOfCharacters( Length maxCharacters ) +{ + mImpl->mMaximumNumberOfCharacters = maxCharacters; +} + +int Controller::GetMaximumNumberOfCharacters() +{ + return mImpl->mMaximumNumberOfCharacters; +} + +void Controller::SetEnableCursorBlink( bool enable ) +{ + DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "TextInput disabled" ); + + if( NULL != mImpl->mEventData ) + { + mImpl->mEventData->mCursorBlinkEnabled = enable; + + if( !enable && + mImpl->mEventData->mDecorator ) + { + mImpl->mEventData->mDecorator->StopCursorBlink(); + } + } +} + +bool Controller::GetEnableCursorBlink() const +{ + if( NULL != mImpl->mEventData ) + { + return mImpl->mEventData->mCursorBlinkEnabled; + } + + return false; +} + +void Controller::SetMultiLineEnabled( bool enable ) +{ + const LayoutEngine::Layout layout = enable ? LayoutEngine::MULTI_LINE_BOX : LayoutEngine::SINGLE_LINE_BOX; + + if( layout != mImpl->mLayoutEngine.GetLayout() ) + { + // Set the layout type. + mImpl->mLayoutEngine.SetLayout( layout ); + + // Set the flags to redo the layout operations + const OperationsMask layoutOperations = static_cast( LAYOUT | + UPDATE_LAYOUT_SIZE | + ALIGN | + REORDER ); + + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | layoutOperations ); + + mImpl->RequestRelayout(); + } +} + +bool Controller::IsMultiLineEnabled() const +{ + return LayoutEngine::MULTI_LINE_BOX == mImpl->mLayoutEngine.GetLayout(); +} + +void Controller::SetHorizontalAlignment( LayoutEngine::HorizontalAlignment alignment ) +{ + if( alignment != mImpl->mLayoutEngine.GetHorizontalAlignment() ) + { + // Set the alignment. + mImpl->mLayoutEngine.SetHorizontalAlignment( alignment ); + + // Set the flag to redo the alignment operation. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | ALIGN ); + + mImpl->RequestRelayout(); + } +} + +LayoutEngine::HorizontalAlignment Controller::GetHorizontalAlignment() const +{ + return mImpl->mLayoutEngine.GetHorizontalAlignment(); +} + +void Controller::SetVerticalAlignment( LayoutEngine::VerticalAlignment alignment ) +{ + if( alignment != mImpl->mLayoutEngine.GetVerticalAlignment() ) + { + // Set the alignment. + mImpl->mLayoutEngine.SetVerticalAlignment( alignment ); + + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | ALIGN ); + + mImpl->RequestRelayout(); + } +} + +LayoutEngine::VerticalAlignment Controller::GetVerticalAlignment() const +{ + return mImpl->mLayoutEngine.GetVerticalAlignment(); +} + +// public : Update + void Controller::SetText( const std::string& text ) { DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SetText\n" ); @@ -113,7 +404,10 @@ void Controller::SetText( const std::string& text ) if( !text.empty() ) { - MarkupProcessData markupProcessData( mImpl->mLogicalModel->mColorRuns ); + mImpl->mVisualModel->SetTextColor( mImpl->mTextColor ); + + MarkupProcessData markupProcessData( mImpl->mLogicalModel->mColorRuns, + mImpl->mLogicalModel->mFontDescriptionRuns ); Length textSize = 0u; const uint8_t* utf8 = NULL; @@ -145,6 +439,9 @@ void Controller::SetText( const std::string& text ) DALI_ASSERT_DEBUG( textSize >= characterCount && "Invalid UTF32 conversion length" ); DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SetText %p UTF8 size %d, UTF32 size %d\n", this, textSize, mImpl->mLogicalModel->mText.Count() ); + // The characters to be added. + mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mLogicalModel->mText.Count(); + // To reset the cursor position lastCursorIndex = characterCount; @@ -176,23 +473,19 @@ void Controller::SetText( const std::string& text ) mImpl->mEventData->mEventQueue.clear(); } - // Notify IMF as text changed - NotifyImfManager(); - - // Do this last since it provides callbacks into application code - mImpl->mControlInterface.TextChanged(); + // Do this last since it provides callbacks into application code. + if( NULL != mImpl->mEditableControlInterface ) + { + mImpl->mEditableControlInterface->TextChanged(); + } } void Controller::GetText( std::string& text ) const { if( !mImpl->IsShowingPlaceholderText() ) { - Vector& utf32Characters = mImpl->mLogicalModel->mText; - - if( 0u != utf32Characters.Count() ) - { - Utf32ToUtf8( &utf32Characters[0], utf32Characters.Count(), text ); - } + // Retrieves the text string. + mImpl->GetText( 0u, text ); } else { @@ -200,16 +493,6 @@ void Controller::GetText( std::string& text ) const } } -unsigned int Controller::GetLogicalCursorPosition() const -{ - if( NULL != mImpl->mEventData ) - { - return mImpl->mEventData->mPrimaryCursorPosition; - } - - return 0u; -} - void Controller::SetPlaceholderText( PlaceholderType type, const std::string& text ) { if( NULL != mImpl->mEventData ) @@ -247,18 +530,22 @@ void Controller::GetPlaceholderText( PlaceholderType type, std::string& text ) c } } -void Controller::SetMaximumNumberOfCharacters( int maxCharacters ) +void Controller::UpdateAfterFontChange( const std::string& newDefaultFont ) { - if( maxCharacters >= 0 ) + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::UpdateAfterFontChange\n"); + + if( !mImpl->mFontDefaults->familyDefined ) // If user defined font then should not update when system font changes { - mImpl->mMaximumNumberOfCharacters = maxCharacters; + DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::UpdateAfterFontChange newDefaultFont(%s)\n", newDefaultFont.c_str() ); + mImpl->mFontDefaults->mFontDescription.family = newDefaultFont; + + ClearFontData(); + + mImpl->RequestRelayout(); } } -int Controller::GetMaximumNumberOfCharacters() -{ - return mImpl->mMaximumNumberOfCharacters; -} +// public : Default style & Input style void Controller::SetDefaultFontFamily( const std::string& defaultFontFamily ) { @@ -269,14 +556,11 @@ void Controller::SetDefaultFontFamily( const std::string& defaultFontFamily ) mImpl->mFontDefaults->mFontDescription.family = defaultFontFamily; DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetDefaultFontFamily %s\n", defaultFontFamily.c_str()); - mImpl->mUserDefinedFontFamily = true; + mImpl->mFontDefaults->familyDefined = !defaultFontFamily.empty(); // Clear the font-specific data ClearFontData(); - mImpl->mOperationsPending = ALL_OPERATIONS; - mImpl->mRecalculateNaturalSize = true; - mImpl->RequestRelayout(); } @@ -290,24 +574,35 @@ const std::string& Controller::GetDefaultFontFamily() const return EMPTY_STRING; } -void Controller::SetDefaultFontStyle( const std::string& style ) +void Controller::SetDefaultFontWeight( FontWeight weight ) { if( NULL == mImpl->mFontDefaults ) { mImpl->mFontDefaults = new FontDefaults(); } - mImpl->mFontDefaults->mFontStyle = style; + mImpl->mFontDefaults->mFontDescription.weight = weight; + mImpl->mFontDefaults->weightDefined = true; + + // Clear the font-specific data + ClearFontData(); + + mImpl->RequestRelayout(); +} + +bool Controller::IsDefaultFontWeightDefined() const +{ + return mImpl->mFontDefaults->weightDefined; } -const std::string& Controller::GetDefaultFontStyle() const +FontWeight Controller::GetDefaultFontWeight() const { if( NULL != mImpl->mFontDefaults ) { - return mImpl->mFontDefaults->mFontStyle; + return mImpl->mFontDefaults->mFontDescription.weight; } - return EMPTY_STRING; + return TextAbstraction::FontWeight::NORMAL; } void Controller::SetDefaultFontWidth( FontWidth width ) @@ -318,16 +613,19 @@ void Controller::SetDefaultFontWidth( FontWidth width ) } mImpl->mFontDefaults->mFontDescription.width = width; + mImpl->mFontDefaults->widthDefined = true; // Clear the font-specific data ClearFontData(); - mImpl->mOperationsPending = ALL_OPERATIONS; - mImpl->mRecalculateNaturalSize = true; - mImpl->RequestRelayout(); } +bool Controller::IsDefaultFontWidthDefined() const +{ + return mImpl->mFontDefaults->widthDefined; +} + FontWidth Controller::GetDefaultFontWidth() const { if( NULL != mImpl->mFontDefaults ) @@ -338,50 +636,25 @@ FontWidth Controller::GetDefaultFontWidth() const return TextAbstraction::FontWidth::NORMAL; } -void Controller::SetDefaultFontWeight( FontWeight weight ) +void Controller::SetDefaultFontSlant( FontSlant slant ) { if( NULL == mImpl->mFontDefaults ) { mImpl->mFontDefaults = new FontDefaults(); } - mImpl->mFontDefaults->mFontDescription.weight = weight; + mImpl->mFontDefaults->mFontDescription.slant = slant; + mImpl->mFontDefaults->slantDefined = true; // Clear the font-specific data ClearFontData(); - mImpl->mOperationsPending = ALL_OPERATIONS; - mImpl->mRecalculateNaturalSize = true; - mImpl->RequestRelayout(); } -FontWeight Controller::GetDefaultFontWeight() const -{ - if( NULL != mImpl->mFontDefaults ) - { - return mImpl->mFontDefaults->mFontDescription.weight; - } - - return TextAbstraction::FontWeight::NORMAL; -} - -void Controller::SetDefaultFontSlant( FontSlant slant ) +bool Controller::IsDefaultFontSlantDefined() const { - if( NULL == mImpl->mFontDefaults ) - { - mImpl->mFontDefaults = new FontDefaults(); - } - - mImpl->mFontDefaults->mFontDescription.slant = slant; - - // Clear the font-specific data - ClearFontData(); - - mImpl->mOperationsPending = ALL_OPERATIONS; - mImpl->mRecalculateNaturalSize = true; - - mImpl->RequestRelayout(); + return mImpl->mFontDefaults->slantDefined; } FontSlant Controller::GetDefaultFontSlant() const @@ -402,22 +675,11 @@ void Controller::SetDefaultPointSize( float pointSize ) } mImpl->mFontDefaults->mDefaultPointSize = pointSize; - - unsigned int horizontalDpi( 0u ); - unsigned int verticalDpi( 0u ); - mImpl->mFontClient.GetDpi( horizontalDpi, verticalDpi ); - - // Adjust the metrics if the fixed-size font should be down-scaled - int maxEmojiSize( pointSize/POINTS_PER_INCH * verticalDpi ); - DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetDefaultPointSize %p setting MaxEmojiSize %d\n", this, maxEmojiSize ); - mImpl->mMetrics->SetMaxEmojiSize( maxEmojiSize ); + mImpl->mFontDefaults->sizeDefined = true; // Clear the font-specific data ClearFontData(); - mImpl->mOperationsPending = ALL_OPERATIONS; - mImpl->mRecalculateNaturalSize = true; - mImpl->RequestRelayout(); } @@ -431,22 +693,6 @@ float Controller::GetDefaultPointSize() const return 0.0f; } -void Controller::UpdateAfterFontChange( std::string& newDefaultFont ) -{ - DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::UpdateAfterFontChange"); - - if( !mImpl->mUserDefinedFontFamily ) // If user defined font then should not update when system font changes - { - DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::UpdateAfterFontChange newDefaultFont(%s)\n", newDefaultFont.c_str() ); - ClearFontData(); - mImpl->mFontDefaults->mFontDescription.family = newDefaultFont; - mImpl->UpdateModel( ALL_OPERATIONS ); - mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED ); - mImpl->mRecalculateNaturalSize = true; - mImpl->RequestRelayout(); - } -} - void Controller::SetTextColor( const Vector4& textColor ) { mImpl->mTextColor = textColor; @@ -464,67 +710,6 @@ const Vector4& Controller::GetTextColor() const return mImpl->mTextColor; } -bool Controller::RemoveText( int cursorOffset, int numberOfChars ) -{ - bool removed = false; - - if( NULL == mImpl->mEventData ) - { - return removed; - } - - DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p mText.Count() %d cursor %d cursorOffset %d numberOfChars %d\n", - this, mImpl->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition, cursorOffset, numberOfChars ); - - if( !mImpl->IsShowingPlaceholderText() ) - { - // Delete at current cursor position - Vector& currentText = mImpl->mLogicalModel->mText; - CharacterIndex& oldCursorIndex = mImpl->mEventData->mPrimaryCursorPosition; - - CharacterIndex cursorIndex = oldCursorIndex; - - // Validate the cursor position & number of characters - if( static_cast< CharacterIndex >( std::abs( cursorOffset ) ) <= cursorIndex ) - { - cursorIndex = oldCursorIndex + cursorOffset; - } - - if( ( cursorIndex + numberOfChars ) > currentText.Count() ) - { - numberOfChars = currentText.Count() - cursorIndex; - } - - if( ( cursorIndex + numberOfChars ) <= currentText.Count() ) - { - // Update the input style and remove the text's style before removing the text. - - // Set first the default input style. - mImpl->RetrieveDefaultInputStyle( mImpl->mEventData->mInputStyle ); - - // Update the input style. - mImpl->mLogicalModel->RetrieveStyle( cursorIndex, mImpl->mEventData->mInputStyle ); - - // Remove the text's style before removing the text. - mImpl->mLogicalModel->UpdateTextStyleRuns( cursorIndex, -numberOfChars ); - - // Remove the characters. - Vector::Iterator first = currentText.Begin() + cursorIndex; - Vector::Iterator last = first + numberOfChars; - - currentText.Erase( first, last ); - - // Cursor position retreat - oldCursorIndex = cursorIndex; - - DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p removed %d\n", this, numberOfChars ); - removed = true; - } - } - - return removed; -} - void Controller::SetPlaceholderTextColor( const Vector4& textColor ) { if( NULL != mImpl->mEventData ) @@ -609,11 +794,63 @@ float Controller::GetUnderlineHeight() const return mImpl->mVisualModel->GetUnderlineHeight(); } +void Controller::SetDefaultEmbossProperties( const std::string& embossProperties ) +{ + if( NULL == mImpl->mEmbossDefaults ) + { + mImpl->mEmbossDefaults = new EmbossDefaults(); + } + + mImpl->mEmbossDefaults->properties = embossProperties; +} + +const std::string& Controller::GetDefaultEmbossProperties() const +{ + if( NULL != mImpl->mEmbossDefaults ) + { + return mImpl->mEmbossDefaults->properties; + } + + return EMPTY_STRING; +} + +void Controller::SetDefaultOutlineProperties( const std::string& outlineProperties ) +{ + if( NULL == mImpl->mOutlineDefaults ) + { + mImpl->mOutlineDefaults = new OutlineDefaults(); + } + + mImpl->mOutlineDefaults->properties = outlineProperties; +} + +const std::string& Controller::GetDefaultOutlineProperties() const +{ + if( NULL != mImpl->mOutlineDefaults ) + { + return mImpl->mOutlineDefaults->properties; + } + + return EMPTY_STRING; +} + +void Controller::SetDefaultLineSpacing( float lineSpacing ) +{ + //TODO finish implementation + mImpl->mLayoutEngine.SetDefaultLineSpacing( lineSpacing ); +} + +float Controller::GetDefaultLineSpacing() const +{ + return mImpl->mLayoutEngine.GetDefaultLineSpacing(); +} + void Controller::SetInputColor( const Vector4& color ) { if( NULL != mImpl->mEventData ) { mImpl->mEventData->mInputStyle.textColor = color; + mImpl->mEventData->mInputStyle.isDefaultColor = false; if( EventData::SELECTING == mImpl->mEventData->mState ) { @@ -635,6 +872,10 @@ void Controller::SetInputColor( const Vector4& color ) // Request to relayout. mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | COLOR ); mImpl->RequestRelayout(); + + mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText; + mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText; + mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText; } } } @@ -651,700 +892,712 @@ const Vector4& Controller::GetInputColor() const } -void Controller::SetEnableCursorBlink( bool enable ) +void Controller::SetInputFontFamily( const std::string& fontFamily ) { - DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "TextInput disabled" ); - if( NULL != mImpl->mEventData ) { - mImpl->mEventData->mCursorBlinkEnabled = enable; + mImpl->mEventData->mInputStyle.familyName = fontFamily; + mImpl->mEventData->mInputStyle.isFamilyDefined = true; - if( !enable && - mImpl->mEventData->mDecorator ) + if( EventData::SELECTING == mImpl->mEventData->mState ) { - mImpl->mEventData->mDecorator->StopCursorBlink(); + CharacterIndex startOfSelectedText = 0u; + Length lengthOfSelectedText = 0u; + FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData, + mImpl->mLogicalModel, + startOfSelectedText, + lengthOfSelectedText ); + + fontDescriptionRun.familyLength = fontFamily.size(); + fontDescriptionRun.familyName = new char[fontDescriptionRun.familyLength]; + memcpy( fontDescriptionRun.familyName, fontFamily.c_str(), fontDescriptionRun.familyLength ); + fontDescriptionRun.familyDefined = true; + + // The memory allocated for the font family name is freed when the font description is removed from the logical model. + + // Request to relayout. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | + VALIDATE_FONTS | + SHAPE_TEXT | + GET_GLYPH_METRICS | + LAYOUT | + UPDATE_LAYOUT_SIZE | + REORDER | + ALIGN ); + mImpl->mRecalculateNaturalSize = true; + mImpl->RequestRelayout(); + + mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText; + mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText; + mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText; + + // As the font changes, recalculate the handle positions is needed. + mImpl->mEventData->mUpdateLeftSelectionPosition = true; + mImpl->mEventData->mUpdateRightSelectionPosition = true; + mImpl->mEventData->mUpdateHighlightBox = true; + mImpl->mEventData->mScrollAfterUpdatePosition = true; } } } -bool Controller::GetEnableCursorBlink() const +const std::string& Controller::GetInputFontFamily() const { if( NULL != mImpl->mEventData ) { - return mImpl->mEventData->mCursorBlinkEnabled; + return mImpl->mEventData->mInputStyle.familyName; } - return false; + // Return the default font's family if there is no EventData. + return GetDefaultFontFamily(); } -const Vector2& Controller::GetScrollPosition() const +void Controller::SetInputFontWeight( FontWeight weight ) { if( NULL != mImpl->mEventData ) { - return mImpl->mEventData->mScrollPosition; - } + mImpl->mEventData->mInputStyle.weight = weight; + mImpl->mEventData->mInputStyle.isWeightDefined = true; - return Vector2::ZERO; -} + if( EventData::SELECTING == mImpl->mEventData->mState ) + { + CharacterIndex startOfSelectedText = 0u; + Length lengthOfSelectedText = 0u; + FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData, + mImpl->mLogicalModel, + startOfSelectedText, + lengthOfSelectedText ); -const Vector2& Controller::GetAlignmentOffset() const -{ - return mImpl->mAlignmentOffset; + fontDescriptionRun.weight = weight; + fontDescriptionRun.weightDefined = true; + + // Request to relayout. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | + VALIDATE_FONTS | + SHAPE_TEXT | + GET_GLYPH_METRICS | + LAYOUT | + UPDATE_LAYOUT_SIZE | + REORDER | + ALIGN ); + mImpl->mRecalculateNaturalSize = true; + mImpl->RequestRelayout(); + + mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText; + mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText; + mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText; + + // As the font might change, recalculate the handle positions is needed. + mImpl->mEventData->mUpdateLeftSelectionPosition = true; + mImpl->mEventData->mUpdateRightSelectionPosition = true; + mImpl->mEventData->mUpdateHighlightBox = true; + mImpl->mEventData->mScrollAfterUpdatePosition = true; + } + } } -Vector3 Controller::GetNaturalSize() +bool Controller::IsInputFontWeightDefined() const { - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetNaturalSize\n" ); - Vector3 naturalSize; - - // Make sure the model is up-to-date before layouting - ProcessModifyEvents(); + bool defined = false; - if( mImpl->mRecalculateNaturalSize ) + if( NULL != mImpl->mEventData ) { - // 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 ); - // Make sure the model is up-to-date before layouting - mImpl->UpdateModel( onlyOnceOperations ); - - // Operations that need to be done if the size changes. - const OperationsMask sizeOperations = static_cast( LAYOUT | - ALIGN | - REORDER ); + defined = mImpl->mEventData->mInputStyle.isWeightDefined; + } - DoRelayout( Size( MAX_FLOAT, MAX_FLOAT ), - static_cast( onlyOnceOperations | - sizeOperations ), - naturalSize.GetVectorXY() ); + return defined; +} - // Do not do again the only once operations. - mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending & ~onlyOnceOperations ); +FontWeight Controller::GetInputFontWeight() const +{ + if( NULL != mImpl->mEventData ) + { + return mImpl->mEventData->mInputStyle.weight; + } - // Do the size related operations again. - mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | sizeOperations ); + return GetDefaultFontWeight(); +} - // Stores the natural size to avoid recalculate it again - // unless the text/style changes. - mImpl->mVisualModel->SetNaturalSize( naturalSize.GetVectorXY() ); +void Controller::SetInputFontWidth( FontWidth width ) +{ + if( NULL != mImpl->mEventData ) + { + mImpl->mEventData->mInputStyle.width = width; + mImpl->mEventData->mInputStyle.isWidthDefined = true; - mImpl->mRecalculateNaturalSize = false; + if( EventData::SELECTING == mImpl->mEventData->mState ) + { + CharacterIndex startOfSelectedText = 0u; + Length lengthOfSelectedText = 0u; + FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData, + mImpl->mLogicalModel, + startOfSelectedText, + lengthOfSelectedText ); - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize calculated %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z ); - } - else - { - naturalSize = mImpl->mVisualModel->GetNaturalSize(); + fontDescriptionRun.width = width; + fontDescriptionRun.widthDefined = true; - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize cached %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z ); - } + // Request to relayout. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | + VALIDATE_FONTS | + SHAPE_TEXT | + GET_GLYPH_METRICS | + LAYOUT | + UPDATE_LAYOUT_SIZE | + REORDER | + ALIGN ); + mImpl->mRecalculateNaturalSize = true; + mImpl->RequestRelayout(); - naturalSize.x = ConvertToEven( naturalSize.x ); - naturalSize.y = ConvertToEven( naturalSize.y ); + mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText; + mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText; + mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText; - return naturalSize; + // As the font might change, recalculate the handle positions is needed. + mImpl->mEventData->mUpdateLeftSelectionPosition = true; + mImpl->mEventData->mUpdateRightSelectionPosition = true; + mImpl->mEventData->mUpdateHighlightBox = true; + mImpl->mEventData->mScrollAfterUpdatePosition = true; + } + } } -float Controller::GetHeightForWidth( float width ) +bool Controller::IsInputFontWidthDefined() const { - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetHeightForWidth %p width %f\n", this, width ); - // Make sure the model is up-to-date before layouting - ProcessModifyEvents(); + bool defined = false; - Size layoutSize; - if( fabsf( width - mImpl->mVisualModel->mControlSize.width ) > Math::MACHINE_EPSILON_1000 ) + if( NULL != mImpl->mEventData ) { - // 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 ); - // Make sure the model is up-to-date before layouting - mImpl->UpdateModel( onlyOnceOperations ); - - // Operations that need to be done if the size changes. - const OperationsMask sizeOperations = static_cast( LAYOUT | - ALIGN | - REORDER ); - - DoRelayout( Size( width, MAX_FLOAT ), - static_cast( onlyOnceOperations | - sizeOperations ), - layoutSize ); + defined = mImpl->mEventData->mInputStyle.isWidthDefined; + } - // Do not do again the only once operations. - mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending & ~onlyOnceOperations ); + return defined; +} - // Do the size related operations again. - mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | sizeOperations ); - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth calculated %f\n", layoutSize.height ); - } - else +FontWidth Controller::GetInputFontWidth() const +{ + if( NULL != mImpl->mEventData ) { - layoutSize = mImpl->mVisualModel->GetActualSize(); - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth cached %f\n", layoutSize.height ); + return mImpl->mEventData->mInputStyle.width; } - return layoutSize.height; + return GetDefaultFontWidth(); } -bool Controller::Relayout( const Size& size ) +void Controller::SetInputFontSlant( FontSlant slant ) { - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::Relayout %p size %f,%f\n", this, size.width, size.height ); - - if( ( size.width < Math::MACHINE_EPSILON_1000 ) || ( size.height < Math::MACHINE_EPSILON_1000 ) ) + if( NULL != mImpl->mEventData ) { - bool glyphsRemoved( false ); - if( 0u != mImpl->mVisualModel->mGlyphPositions.Count() ) + mImpl->mEventData->mInputStyle.slant = slant; + mImpl->mEventData->mInputStyle.isSlantDefined = true; + + if( EventData::SELECTING == mImpl->mEventData->mState ) { - mImpl->mVisualModel->mGlyphPositions.Clear(); - glyphsRemoved = true; - } - // Not worth to relayout if width or height is equal to zero. - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout (skipped)\n" ); - return glyphsRemoved; - } + CharacterIndex startOfSelectedText = 0u; + Length lengthOfSelectedText = 0u; + FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData, + mImpl->mLogicalModel, + startOfSelectedText, + lengthOfSelectedText ); - const bool newSize = ( size != mImpl->mVisualModel->mControlSize ); + fontDescriptionRun.slant = slant; + fontDescriptionRun.slantDefined = true; - if( newSize ) - { - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "new size (previous size %f,%f)\n", mImpl->mVisualModel->mControlSize.width, mImpl->mVisualModel->mControlSize.height ); + // Request to relayout. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | + VALIDATE_FONTS | + SHAPE_TEXT | + GET_GLYPH_METRICS | + LAYOUT | + UPDATE_LAYOUT_SIZE | + REORDER | + ALIGN ); + mImpl->mRecalculateNaturalSize = true; + mImpl->RequestRelayout(); - // Layout operations that need to be done if the size changes. - mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | - LAYOUT | - ALIGN | - UPDATE_ACTUAL_SIZE | - REORDER ); + mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText; + mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText; + mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText; - mImpl->mVisualModel->mControlSize = size; + // As the font might change, recalculate the handle positions is needed. + mImpl->mEventData->mUpdateLeftSelectionPosition = true; + mImpl->mEventData->mUpdateRightSelectionPosition = true; + mImpl->mEventData->mUpdateHighlightBox = true; + mImpl->mEventData->mScrollAfterUpdatePosition = true; + } } +} - // Whether there are modify events. - const bool isModifyEventsEmpty = 0u == mImpl->mModifyEvents.Count(); - - // Make sure the model is up-to-date before layouting. - ProcessModifyEvents(); - mImpl->UpdateModel( mImpl->mOperationsPending ); +bool Controller::IsInputFontSlantDefined() const +{ + bool defined = false; - // Style operations that need to be done if the text is modified. - if( !isModifyEventsEmpty ) + if( NULL != mImpl->mEventData ) { - mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | - COLOR ); + defined = mImpl->mEventData->mInputStyle.isSlantDefined; } - // Apply the style runs if text is modified. - bool updated = mImpl->UpdateModelStyle( mImpl->mOperationsPending ); - - // Layout the text. - Size layoutSize; - updated = DoRelayout( mImpl->mVisualModel->mControlSize, - mImpl->mOperationsPending, - layoutSize ) || updated; - - // Do not re-do any operation until something changes. - mImpl->mOperationsPending = NO_OPERATION; - - // Whether the text control is editable - const bool isEditable = NULL != mImpl->mEventData; + return defined; +} - // Keep the current offset and alignment as it will be used to update the decorator's positions (if the size changes). - Vector2 offset; - if( newSize && isEditable ) +FontSlant Controller::GetInputFontSlant() const +{ + if( NULL != mImpl->mEventData ) { - offset = mImpl->mAlignmentOffset + mImpl->mEventData->mScrollPosition; + return mImpl->mEventData->mInputStyle.slant; } - // After doing the text layout, the alignment offset to place the actor in the desired position can be calculated. - CalculateTextAlignment( size ); + return GetDefaultFontSlant(); +} - if( isEditable ) +void Controller::SetInputFontPointSize( float size ) +{ + if( NULL != mImpl->mEventData ) { - if( newSize ) + mImpl->mEventData->mInputStyle.size = size; + mImpl->mEventData->mInputStyle.isSizeDefined = true; + + if( EventData::SELECTING == mImpl->mEventData->mState ) { - // If there is a new size, the scroll position needs to be clamped. - mImpl->ClampHorizontalScroll( layoutSize ); + CharacterIndex startOfSelectedText = 0u; + Length lengthOfSelectedText = 0u; + FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData, + mImpl->mLogicalModel, + startOfSelectedText, + lengthOfSelectedText ); - // Update the decorator's positions is needed if there is a new size. - mImpl->mEventData->mDecorator->UpdatePositions( mImpl->mAlignmentOffset + mImpl->mEventData->mScrollPosition - offset ); - } + fontDescriptionRun.size = static_cast( size * 64.f ); + fontDescriptionRun.sizeDefined = true; - // Move the cursor, grab handle etc. - updated = mImpl->ProcessInputEvents() || updated; - } + // Request to relayout. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | + VALIDATE_FONTS | + SHAPE_TEXT | + GET_GLYPH_METRICS | + LAYOUT | + UPDATE_LAYOUT_SIZE | + REORDER | + ALIGN ); + mImpl->mRecalculateNaturalSize = true; + mImpl->RequestRelayout(); - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout\n" ); - return updated; + mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText; + mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText; + mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText; + + // As the font might change, recalculate the handle positions is needed. + mImpl->mEventData->mUpdateLeftSelectionPosition = true; + mImpl->mEventData->mUpdateRightSelectionPosition = true; + mImpl->mEventData->mUpdateHighlightBox = true; + mImpl->mEventData->mScrollAfterUpdatePosition = true; + } + } } -void Controller::ProcessModifyEvents() +float Controller::GetInputFontPointSize() const { - Vector& events = mImpl->mModifyEvents; - - if( 0u == events.Count() ) + if( NULL != mImpl->mEventData ) { - // Nothing to do. - return; + return mImpl->mEventData->mInputStyle.size; } - for( Vector::ConstIterator it = events.Begin(), - endIt = events.End(); - it != endIt; - ++it ) - { - const ModifyEvent& event = *it; - - if( ModifyEvent::TEXT_REPLACED == event.type ) - { - // A (single) replace event should come first, otherwise we wasted time processing NOOP events - DALI_ASSERT_DEBUG( it == events.Begin() && "Unexpected TEXT_REPLACED event" ); + // Return the default font's point size if there is no EventData. + return GetDefaultPointSize(); +} - TextReplacedEvent(); - } - else if( ModifyEvent::TEXT_INSERTED == event.type ) - { - TextInsertedEvent(); - } - else if( ModifyEvent::TEXT_DELETED == event.type ) - { - // Placeholder-text cannot be deleted - if( !mImpl->IsShowingPlaceholderText() ) - { - TextDeletedEvent(); - } - } +void Controller::SetInputLineSpacing( float lineSpacing ) +{ + if( NULL != mImpl->mEventData ) + { + mImpl->mEventData->mInputStyle.lineSpacing = lineSpacing; + mImpl->mEventData->mInputStyle.isLineSpacingDefined = true; } +} +float Controller::GetInputLineSpacing() const +{ if( NULL != mImpl->mEventData ) { - // When the text is being modified, delay cursor blinking - mImpl->mEventData->mDecorator->DelayCursorBlink(); + return mImpl->mEventData->mInputStyle.lineSpacing; } - // Discard temporary text - events.Clear(); + return 0.f; } -void Controller::ResetText() +void Controller::SetInputShadowProperties( const std::string& shadowProperties ) { - // Reset buffers. - mImpl->mLogicalModel->mText.Clear(); - ClearModelData(); - - // We have cleared everything including the placeholder-text - mImpl->PlaceholderCleared(); - - // The natural size needs to be re-calculated. - mImpl->mRecalculateNaturalSize = true; - - // Apply modifications to the model - mImpl->mOperationsPending = ALL_OPERATIONS; + if( NULL != mImpl->mEventData ) + { + mImpl->mEventData->mInputStyle.shadowProperties = shadowProperties; + } } -void Controller::ResetCursorPosition( CharacterIndex cursorIndex ) +const std::string& Controller::GetInputShadowProperties() const { - // Reset the cursor position if( NULL != mImpl->mEventData ) { - mImpl->mEventData->mPrimaryCursorPosition = cursorIndex; - - // Update the cursor if it's in editing mode. - if( EventData::IsEditingState( mImpl->mEventData->mState ) ) - { - mImpl->mEventData->mUpdateCursorPosition = true; - } + return mImpl->mEventData->mInputStyle.shadowProperties; } + + return EMPTY_STRING; } -void Controller::ResetScrollPosition() +void Controller::SetInputUnderlineProperties( const std::string& underlineProperties ) { if( NULL != mImpl->mEventData ) { - // Reset the scroll position. - mImpl->mEventData->mScrollPosition = Vector2::ZERO; - mImpl->mEventData->mScrollAfterUpdatePosition = true; + mImpl->mEventData->mInputStyle.underlineProperties = underlineProperties; } } -void Controller::TextReplacedEvent() +const std::string& Controller::GetInputUnderlineProperties() const { - // Reset buffers. - ClearModelData(); - - // The natural size needs to be re-calculated. - mImpl->mRecalculateNaturalSize = true; + if( NULL != mImpl->mEventData ) + { + return mImpl->mEventData->mInputStyle.underlineProperties; + } - // Apply modifications to the model - mImpl->mOperationsPending = ALL_OPERATIONS; - mImpl->UpdateModel( ALL_OPERATIONS ); - mImpl->mOperationsPending = static_cast( LAYOUT | - ALIGN | - UPDATE_ACTUAL_SIZE | - REORDER ); + return EMPTY_STRING; } -void Controller::TextInsertedEvent() +void Controller::SetInputEmbossProperties( const std::string& embossProperties ) { - DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextInsertedEvent" ); - - if( NULL == mImpl->mEventData ) + if( NULL != mImpl->mEventData ) { - return; + mImpl->mEventData->mInputStyle.embossProperties = embossProperties; } +} - // TODO - Optimize this - ClearModelData(); - - // The natural size needs to be re-calculated. - mImpl->mRecalculateNaturalSize = true; +const std::string& Controller::GetInputEmbossProperties() const +{ + if( NULL != mImpl->mEventData ) + { + return mImpl->mEventData->mInputStyle.embossProperties; + } - // Apply modifications to the model; TODO - Optimize this - mImpl->mOperationsPending = ALL_OPERATIONS; - mImpl->UpdateModel( ALL_OPERATIONS ); - mImpl->mOperationsPending = static_cast( LAYOUT | - ALIGN | - UPDATE_ACTUAL_SIZE | - REORDER ); + return GetDefaultEmbossProperties(); +} - // Queue a cursor reposition event; this must wait until after DoRelayout() - if( EventData::IsEditingState( mImpl->mEventData->mState ) ) +void Controller::SetInputOutlineProperties( const std::string& outlineProperties ) +{ + if( NULL != mImpl->mEventData ) { - mImpl->mEventData->mUpdateCursorPosition = true; - mImpl->mEventData->mScrollAfterUpdatePosition = true; + mImpl->mEventData->mInputStyle.outlineProperties = outlineProperties; } } -void Controller::TextDeletedEvent() +const std::string& Controller::GetInputOutlineProperties() const { - DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextDeletedEvent" ); - - if( NULL == mImpl->mEventData ) + if( NULL != mImpl->mEventData ) { - return; + return mImpl->mEventData->mInputStyle.outlineProperties; } - // TODO - Optimize this - ClearModelData(); + return GetDefaultOutlineProperties(); +} - // The natural size needs to be re-calculated. - mImpl->mRecalculateNaturalSize = true; +// public : Queries & retrieves. - // Apply modifications to the model; TODO - Optimize this - mImpl->mOperationsPending = ALL_OPERATIONS; - mImpl->UpdateModel( ALL_OPERATIONS ); - mImpl->mOperationsPending = static_cast( LAYOUT | - ALIGN | - UPDATE_ACTUAL_SIZE | - REORDER ); +LayoutEngine& Controller::GetLayoutEngine() +{ + return mImpl->mLayoutEngine; +} - // Queue a cursor reposition event; this must wait until after DoRelayout() - mImpl->mEventData->mUpdateCursorPosition = true; - if( 0u != mImpl->mLogicalModel->mText.Count() ) - { - mImpl->mEventData->mScrollAfterDelete = true; - } +View& Controller::GetView() +{ + return mImpl->mView; } -bool Controller::DoRelayout( const Size& size, - OperationsMask operationsRequired, - Size& layoutSize ) +const Vector2& Controller::GetScrollPosition() const { - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout %p size %f,%f\n", this, size.width, size.height ); - bool viewUpdated( false ); + return mImpl->mScrollPosition; +} - // Calculate the operations to be done. - const OperationsMask operations = static_cast( mImpl->mOperationsPending & operationsRequired ); +Vector3 Controller::GetNaturalSize() +{ + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetNaturalSize\n" ); + Vector3 naturalSize; + + // Make sure the model is up-to-date before layouting + ProcessModifyEvents(); - if( LAYOUT & operations ) + if( mImpl->mRecalculateNaturalSize ) { - // Some vectors with data needed to layout and reorder may be void - // after the first time the text has been laid out. - // Fill the vectors again. + // 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 ); + // Make sure the model is up-to-date before layouting + mImpl->UpdateModel( onlyOnceOperations ); - const Length numberOfGlyphs = mImpl->mVisualModel->mGlyphs.Count(); + // Layout the text for the new width. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | LAYOUT ); - if( 0u == numberOfGlyphs ) - { - // Nothing else to do if there is no glyphs. - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout no glyphs, view updated true\n" ); - return true; - } + // Set the update info to relayout the whole text. + mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u; + mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mLogicalModel->mText.Count(); - const Vector& lineBreakInfo = mImpl->mLogicalModel->mLineBreakInfo; - const Vector& wordBreakInfo = mImpl->mLogicalModel->mWordBreakInfo; - const Vector& characterDirection = mImpl->mLogicalModel->mCharacterDirections; - const Vector& glyphs = mImpl->mVisualModel->mGlyphs; - const Vector& glyphsToCharactersMap = mImpl->mVisualModel->mGlyphsToCharacters; - const Vector& charactersPerGlyph = mImpl->mVisualModel->mCharactersPerGlyph; - const Character* const textBuffer = mImpl->mLogicalModel->mText.Begin(); + // Store the actual control's size to restore later. + const Size actualControlSize = mImpl->mVisualModel->mControlSize; - // Set the layout parameters. - LayoutParameters layoutParameters( size, - textBuffer, - lineBreakInfo.Begin(), - wordBreakInfo.Begin(), - ( 0u != characterDirection.Count() ) ? characterDirection.Begin() : NULL, - numberOfGlyphs, - glyphs.Begin(), - glyphsToCharactersMap.Begin(), - charactersPerGlyph.Begin() ); + DoRelayout( Size( MAX_FLOAT, MAX_FLOAT ), + static_cast( onlyOnceOperations | + LAYOUT ), + naturalSize.GetVectorXY() ); - // The laid-out lines. - // It's not possible to know in how many lines the text is going to be laid-out, - // but it can be resized at least with the number of 'paragraphs' to avoid - // some re-allocations. - Vector& lines = mImpl->mVisualModel->mLines; + // Do not do again the only once operations. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending & ~onlyOnceOperations ); - // Delete any previous laid out lines before setting the new ones. - lines.Clear(); + // Do the size related operations again. + const OperationsMask sizeOperations = static_cast( LAYOUT | + ALIGN | + REORDER ); + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | sizeOperations ); - // The capacity of the bidirectional paragraph info is the number of paragraphs. - lines.Reserve( mImpl->mLogicalModel->mBidirectionalParagraphInfo.Capacity() ); + // Stores the natural size to avoid recalculate it again + // unless the text/style changes. + mImpl->mVisualModel->SetNaturalSize( naturalSize.GetVectorXY() ); - // Resize the vector of positions to have the same size than the vector of glyphs. - Vector& glyphPositions = mImpl->mVisualModel->mGlyphPositions; - glyphPositions.Resize( numberOfGlyphs ); + mImpl->mRecalculateNaturalSize = false; - // Whether the last character is a new paragraph character. - layoutParameters.isLastNewParagraph = TextAbstraction::IsNewParagraph( *( textBuffer + ( mImpl->mLogicalModel->mText.Count() - 1u ) ) ); + // Clear the update info. This info will be set the next time the text is updated. + mImpl->mTextUpdateInfo.Clear(); - // Update the visual model. - viewUpdated = mImpl->mLayoutEngine.LayoutText( layoutParameters, - glyphPositions, - lines, - layoutSize ); + // Restore the actual control's size. + mImpl->mVisualModel->mControlSize = actualControlSize; - if( viewUpdated ) - { - // Reorder the lines - if( REORDER & operations ) - { - Vector& bidirectionalInfo = mImpl->mLogicalModel->mBidirectionalParagraphInfo; + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize calculated %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z ); + } + else + { + naturalSize = mImpl->mVisualModel->GetNaturalSize(); - // Check first if there are paragraphs with bidirectional info. - if( 0u != bidirectionalInfo.Count() ) - { - // Get the lines - const Length numberOfLines = mImpl->mVisualModel->mLines.Count(); + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize cached %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z ); + } - // Reorder the lines. - Vector lineBidirectionalInfoRuns; - lineBidirectionalInfoRuns.Reserve( numberOfLines ); // Reserve because is not known yet how many lines have right to left characters. - ReorderLines( bidirectionalInfo, - lines, - lineBidirectionalInfoRuns ); + naturalSize.x = ConvertToEven( naturalSize.x ); + naturalSize.y = ConvertToEven( naturalSize.y ); - // Set the bidirectional info into the model. - const Length numberOfBidirectionalInfoRuns = lineBidirectionalInfoRuns.Count(); - mImpl->mLogicalModel->SetVisualToLogicalMap( lineBidirectionalInfoRuns.Begin(), - numberOfBidirectionalInfoRuns ); + return naturalSize; +} - // Set the bidirectional info per line into the layout parameters. - layoutParameters.lineBidirectionalInfoRunsBuffer = lineBidirectionalInfoRuns.Begin(); - layoutParameters.numberOfBidirectionalInfoRuns = numberOfBidirectionalInfoRuns; +float Controller::GetHeightForWidth( float width ) +{ + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetHeightForWidth %p width %f\n", this, width ); + // Make sure the model is up-to-date before layouting + ProcessModifyEvents(); - // Get the character to glyph conversion table and set into the layout. - layoutParameters.charactersToGlyphsBuffer = mImpl->mVisualModel->mCharactersToGlyph.Begin(); + Size layoutSize; + if( fabsf( width - mImpl->mVisualModel->mControlSize.width ) > Math::MACHINE_EPSILON_1000 ) + { + // 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 ); + // Make sure the model is up-to-date before layouting + mImpl->UpdateModel( onlyOnceOperations ); - // Get the glyphs per character table and set into the layout. - layoutParameters.glyphsPerCharacterBuffer = mImpl->mVisualModel->mGlyphsPerCharacter.Begin(); - // Re-layout the text. Reorder those lines with right to left characters. - mImpl->mLayoutEngine.ReLayoutRightToLeftLines( layoutParameters, - glyphPositions ); + // Layout the text for the new width. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | LAYOUT ); - // Free the allocated memory used to store the conversion table in the bidirectional line info run. - for( Vector::Iterator it = lineBidirectionalInfoRuns.Begin(), - endIt = lineBidirectionalInfoRuns.End(); - it != endIt; - ++it ) - { - BidirectionalLineInfoRun& bidiLineInfo = *it; + // Set the update info to relayout the whole text. + mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u; + mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mLogicalModel->mText.Count(); - free( bidiLineInfo.visualToLogicalMap ); - } - } - } // REORDER + // Store the actual control's width. + const float actualControlWidth = mImpl->mVisualModel->mControlSize.width; - // Sets the actual size. - if( UPDATE_ACTUAL_SIZE & operations ) - { - mImpl->mVisualModel->SetActualSize( layoutSize ); - } - } // view updated - } - else - { - layoutSize = mImpl->mVisualModel->GetActualSize(); - } + DoRelayout( Size( width, MAX_FLOAT ), + static_cast( onlyOnceOperations | + LAYOUT ), + layoutSize ); - if( ALIGN & operations ) - { - // The laid-out lines. - Vector& lines = mImpl->mVisualModel->mLines; + // Do not do again the only once operations. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending & ~onlyOnceOperations ); - mImpl->mLayoutEngine.Align( layoutSize, - lines ); + // Do the size related operations again. + const OperationsMask sizeOperations = static_cast( LAYOUT | + ALIGN | + REORDER ); - viewUpdated = true; - } + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | sizeOperations ); - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout, view updated %s\n", ( viewUpdated ? "true" : "false" ) ); - return viewUpdated; -} + // Clear the update info. This info will be set the next time the text is updated. + mImpl->mTextUpdateInfo.Clear(); -void Controller::SetMultiLineEnabled( bool enable ) -{ - const LayoutEngine::Layout layout = enable ? LayoutEngine::MULTI_LINE_BOX : LayoutEngine::SINGLE_LINE_BOX; + // Restore the actual control's width. + mImpl->mVisualModel->mControlSize.width = actualControlWidth; - if( layout != mImpl->mLayoutEngine.GetLayout() ) + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth calculated %f\n", layoutSize.height ); + } + else { - // Set the layout type. - mImpl->mLayoutEngine.SetLayout( layout ); - - // Set the flags to redo the layout operations - const OperationsMask layoutOperations = static_cast( LAYOUT | - UPDATE_ACTUAL_SIZE | - ALIGN | - REORDER ); - - mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | layoutOperations ); - - mImpl->RequestRelayout(); + layoutSize = mImpl->mVisualModel->GetLayoutSize(); + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth cached %f\n", layoutSize.height ); } -} -bool Controller::IsMultiLineEnabled() const -{ - return LayoutEngine::MULTI_LINE_BOX == mImpl->mLayoutEngine.GetLayout(); + return layoutSize.height; } -void Controller::SetHorizontalAlignment( LayoutEngine::HorizontalAlignment alignment ) +// public : Relayout. + +Controller::UpdateTextType Controller::Relayout( const Size& size ) { - if( alignment != mImpl->mLayoutEngine.GetHorizontalAlignment() ) + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::Relayout %p size %f,%f, autoScroll[%s]\n", this, size.width, size.height, mImpl->mIsAutoScrollEnabled ?"true":"false" ); + + UpdateTextType updateTextType = NONE_UPDATED; + + if( ( size.width < Math::MACHINE_EPSILON_1000 ) || ( size.height < Math::MACHINE_EPSILON_1000 ) ) { - // Set the alignment. - mImpl->mLayoutEngine.SetHorizontalAlignment( alignment ); + if( 0u != mImpl->mVisualModel->mGlyphPositions.Count() ) + { + mImpl->mVisualModel->mGlyphPositions.Clear(); + updateTextType = MODEL_UPDATED; + } - // Set the flag to redo the alignment operation. - mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | ALIGN ); + // Clear the update info. This info will be set the next time the text is updated. + mImpl->mTextUpdateInfo.Clear(); - mImpl->RequestRelayout(); + // Not worth to relayout if width or height is equal to zero. + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout (skipped)\n" ); + + return updateTextType; } -} -LayoutEngine::HorizontalAlignment Controller::GetHorizontalAlignment() const -{ - return mImpl->mLayoutEngine.GetHorizontalAlignment(); -} + // Whether a new size has been set. + const bool newSize = ( size != mImpl->mVisualModel->mControlSize ); -void Controller::SetVerticalAlignment( LayoutEngine::VerticalAlignment alignment ) -{ - if( alignment != mImpl->mLayoutEngine.GetVerticalAlignment() ) + if( newSize ) { - // Set the alignment. - mImpl->mLayoutEngine.SetVerticalAlignment( alignment ); + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "new size (previous size %f,%f)\n", mImpl->mVisualModel->mControlSize.width, mImpl->mVisualModel->mControlSize.height ); - mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | ALIGN ); + // Layout operations that need to be done if the size changes. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | + LAYOUT | + ALIGN | + UPDATE_LAYOUT_SIZE | + REORDER ); + // Set the update info to relayout the whole text. + mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true; + mImpl->mTextUpdateInfo.mCharacterIndex = 0u; + } - mImpl->RequestRelayout(); + // Whether there are modify events. + if( 0u != mImpl->mModifyEvents.Count() ) + { + // Style operations that need to be done if the text is modified. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | + COLOR ); } -} -LayoutEngine::VerticalAlignment Controller::GetVerticalAlignment() const -{ - return mImpl->mLayoutEngine.GetVerticalAlignment(); -} + // Make sure the model is up-to-date before layouting. + ProcessModifyEvents(); + bool updated = mImpl->UpdateModel( mImpl->mOperationsPending ); -void Controller::CalculateTextAlignment( const Size& size ) -{ - // Get the direction of the first character. - const CharacterDirection firstParagraphDirection = mImpl->mLogicalModel->GetCharacterDirection( 0u ); + // Layout the text. + Size layoutSize; + updated = DoRelayout( size, + mImpl->mOperationsPending, + layoutSize ) || updated; - Size actualSize = mImpl->mVisualModel->GetActualSize(); - if( fabsf( actualSize.height ) < Math::MACHINE_EPSILON_1000 ) + if( updated ) { - // Get the line height of the default font. - actualSize.height = mImpl->GetDefaultFontLineHeight(); + updateTextType = MODEL_UPDATED; } - // If the first paragraph is right to left swap ALIGN_BEGIN and ALIGN_END; - LayoutEngine::HorizontalAlignment horizontalAlignment = mImpl->mLayoutEngine.GetHorizontalAlignment(); - if( firstParagraphDirection && - ( LayoutEngine::HORIZONTAL_ALIGN_CENTER != horizontalAlignment ) ) + // Do not re-do any operation until something changes. + mImpl->mOperationsPending = NO_OPERATION; + + // Whether the text control is editable + const bool isEditable = NULL != mImpl->mEventData; + + // Keep the current offset as it will be used to update the decorator's positions (if the size changes). + Vector2 offset; + if( newSize && isEditable ) { - if( LayoutEngine::HORIZONTAL_ALIGN_BEGIN == horizontalAlignment ) - { - horizontalAlignment = LayoutEngine::HORIZONTAL_ALIGN_END; - } - else - { - horizontalAlignment = LayoutEngine::HORIZONTAL_ALIGN_BEGIN; - } + offset = mImpl->mScrollPosition; } - switch( horizontalAlignment ) + if( !isEditable || !IsMultiLineEnabled() ) { - case LayoutEngine::HORIZONTAL_ALIGN_BEGIN: - { - mImpl->mAlignmentOffset.x = 0.f; - break; - } - case LayoutEngine::HORIZONTAL_ALIGN_CENTER: - { - mImpl->mAlignmentOffset.x = floorf( 0.5f * ( size.width - actualSize.width ) ); // try to avoid pixel alignment. - break; - } - case LayoutEngine::HORIZONTAL_ALIGN_END: - { - mImpl->mAlignmentOffset.x = size.width - actualSize.width; - break; - } + // After doing the text layout, the vertical offset to place the actor in the desired position can be calculated. + CalculateVerticalOffset( size ); } - const LayoutEngine::VerticalAlignment verticalAlignment = mImpl->mLayoutEngine.GetVerticalAlignment(); - switch( verticalAlignment ) + if( isEditable ) { - case LayoutEngine::VERTICAL_ALIGN_TOP: - { - mImpl->mAlignmentOffset.y = 0.f; - break; - } - case LayoutEngine::VERTICAL_ALIGN_CENTER: + if( newSize ) { - mImpl->mAlignmentOffset.y = floorf( 0.5f * ( size.height - actualSize.height ) ); // try to avoid pixel alignment. - break; + // If there is a new size, the scroll position needs to be clamped. + mImpl->ClampHorizontalScroll( layoutSize ); + + // Update the decorator's positions is needed if there is a new size. + mImpl->mEventData->mDecorator->UpdatePositions( mImpl->mScrollPosition - offset ); } - case LayoutEngine::VERTICAL_ALIGN_BOTTOM: + + // Move the cursor, grab handle etc. + if( mImpl->ProcessInputEvents() ) { - mImpl->mAlignmentOffset.y = size.height - actualSize.height; - break; + updateTextType = static_cast( updateTextType | DECORATOR_UPDATED ); } } + + // Clear the update info. This info will be set the next time the text is updated. + mImpl->mTextUpdateInfo.Clear(); + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout\n" ); + + return updateTextType; } -LayoutEngine& Controller::GetLayoutEngine() +void Controller::RequestRelayout() { - return mImpl->mLayoutEngine; + mImpl->RequestRelayout(); } -View& Controller::GetView() +// public : Input style change signals. + +bool Controller::IsInputStyleChangedSignalsQueueEmpty() { - return mImpl->mView; + return ( NULL == mImpl->mEventData ) || ( 0u == mImpl->mEventData->mInputStyleChangedQueue.Count() ); +} + +void Controller::ProcessInputStyleChangedSignals() +{ + if( NULL == mImpl->mEventData ) + { + // Nothing to do. + return; + } + + for( Vector::ConstIterator it = mImpl->mEventData->mInputStyleChangedQueue.Begin(), + endIt = mImpl->mEventData->mInputStyleChangedQueue.End(); + it != endIt; + ++it ) + { + const InputStyle::Mask mask = *it; + + if( NULL != mImpl->mEditableControlInterface ) + { + // Emit the input style changed signal. + mImpl->mEditableControlInterface->InputStyleChanged( mask ); + } + } + + mImpl->mEventData->mInputStyleChangedQueue.Clear(); } +// public : Text-input Event Queuing. + void Controller::KeyboardFocusGainEvent() { DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusGainEvent" ); @@ -1357,7 +1610,7 @@ void Controller::KeyboardFocusGainEvent() mImpl->ChangeState( EventData::EDITING ); mImpl->mEventData->mUpdateCursorPosition = true; //If editing started without tap event, cursor update must be triggered. } - + mImpl->NotifyImfMultiLineStatus(); if( mImpl->IsShowingPlaceholderText() ) { // Show alternative placeholder-text when editing @@ -1449,239 +1702,57 @@ bool Controller::KeyEvent( const Dali::KeyEvent& keyEvent ) textChanged = true; } - if( ( mImpl->mEventData->mState != EventData::INTERRUPTED ) && - ( mImpl->mEventData->mState != EventData::INACTIVE ) ) + if ( ( mImpl->mEventData->mState != EventData::INTERRUPTED ) && + ( mImpl->mEventData->mState != EventData::INACTIVE ) && + ( Dali::DALI_KEY_SHIFT_LEFT != keyCode ) ) { + // Should not change the state if the key is the shift send by the imf manager. + // Otherwise, when the state is SELECTING the text controller can't send the right + // surrounding info to the imf. mImpl->ChangeState( EventData::EDITING ); } mImpl->RequestRelayout(); } - if( textChanged ) + if( textChanged && + ( NULL != mImpl->mEditableControlInterface ) ) { // Do this last since it provides callbacks into application code - mImpl->mControlInterface.TextChanged(); + mImpl->mEditableControlInterface->TextChanged(); } return true; } -void Controller::InsertText( const std::string& text, Controller::InsertType type ) +void Controller::TapEvent( unsigned int tapCount, float x, float y ) { - bool removedPrevious( false ); - bool maxLengthReached( false ); - - DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected InsertText" ) + DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected TapEvent" ); - if( NULL == mImpl->mEventData ) + if( NULL != mImpl->mEventData ) { - return; - } - - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::InsertText %p %s (%s) mPrimaryCursorPosition %d mPreEditFlag %d mPreEditStartPosition %d mPreEditLength %d\n", - this, text.c_str(), (COMMIT == type ? "COMMIT" : "PRE_EDIT"), - mImpl->mEventData->mPrimaryCursorPosition, mImpl->mEventData->mPreEditFlag, mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength ); - - // TODO: At the moment the underline runs are only for pre-edit. - mImpl->mVisualModel->mUnderlineRuns.Clear(); + DALI_LOG_INFO( gLogFilter, Debug::Concise, "TapEvent state:%d \n", mImpl->mEventData->mState ); + EventData::State state( mImpl->mEventData->mState ); + bool relayoutNeeded( false ); // to avoid unnecessary relayouts when tapping an empty text-field - Vector utf32Characters; - Length characterCount( 0u ); + if( mImpl->IsClipboardVisible() ) + { + if( EventData::INACTIVE == state || EventData::EDITING == state) + { + mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE ); + } + relayoutNeeded = true; + } + else if( 1u == tapCount ) + { + if( EventData::EDITING_WITH_POPUP == state || EventData::EDITING_WITH_PASTE_POPUP == state ) + { + mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE ); // If Popup shown hide it here so can be shown again if required. + } - // Remove the previous IMF pre-edit (predicitive text) - if( mImpl->mEventData->mPreEditFlag && - ( 0 != mImpl->mEventData->mPreEditLength ) ) - { - CharacterIndex offset = mImpl->mEventData->mPrimaryCursorPosition - mImpl->mEventData->mPreEditStartPosition; - - removedPrevious = RemoveText( -static_cast(offset), mImpl->mEventData->mPreEditLength ); - - mImpl->mEventData->mPrimaryCursorPosition = mImpl->mEventData->mPreEditStartPosition; - mImpl->mEventData->mPreEditLength = 0; - } - else - { - // Remove the previous Selection - removedPrevious = RemoveSelectedText(); - } - - if( !text.empty() ) - { - // Convert text into UTF-32 - utf32Characters.Resize( text.size() ); - - // This is a bit horrible but std::string returns a (signed) char* - const uint8_t* utf8 = reinterpret_cast( text.c_str() ); - - // Transform a text array encoded in utf8 into an array encoded in utf32. - // It returns the actual number of characters. - characterCount = Utf8ToUtf32( utf8, text.size(), utf32Characters.Begin() ); - utf32Characters.Resize( characterCount ); - - DALI_ASSERT_DEBUG( text.size() >= utf32Characters.Count() && "Invalid UTF32 conversion length" ); - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "UTF8 size %d, UTF32 size %d\n", text.size(), utf32Characters.Count() ); - } - - if( 0u != utf32Characters.Count() ) // Check if Utf8ToUtf32 conversion succeeded - { - // The placeholder text is no longer needed - if( mImpl->IsShowingPlaceholderText() ) - { - ResetText(); - } - - mImpl->ChangeState( EventData::EDITING ); - - // Handle the IMF (predicitive text) state changes - if( COMMIT == type ) - { - // IMF manager is no longer handling key-events - mImpl->ClearPreEditFlag(); - } - else // PRE_EDIT - { - if( !mImpl->mEventData->mPreEditFlag ) - { - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Entered PreEdit state" ); - - // Record the start of the pre-edit text - mImpl->mEventData->mPreEditStartPosition = mImpl->mEventData->mPrimaryCursorPosition; - } - - mImpl->mEventData->mPreEditLength = utf32Characters.Count(); - mImpl->mEventData->mPreEditFlag = true; - - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "mPreEditStartPosition %d mPreEditLength %d\n", mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength ); - } - - const Length numberOfCharactersInModel = mImpl->mLogicalModel->mText.Count(); - - // Restrict new text to fit within Maximum characters setting - Length maxSizeOfNewText = std::min ( ( mImpl->mMaximumNumberOfCharacters - numberOfCharactersInModel ), characterCount ); - maxLengthReached = ( characterCount > maxSizeOfNewText ); - - // The cursor position. - CharacterIndex& cursorIndex = mImpl->mEventData->mPrimaryCursorPosition; - - // Updates the text style runs. - mImpl->mLogicalModel->UpdateTextStyleRuns( cursorIndex, maxSizeOfNewText ); - - // Get the character index from the cursor index. - const CharacterIndex styleIndex = ( cursorIndex > 0u ) ? cursorIndex - 1u : 0u; - - // Retrieve the text's style for the given index. - InputStyle style; - mImpl->mLogicalModel->RetrieveStyle( styleIndex, style ); - - // Whether to add a new text color run. - const bool addColorRun = style.textColor != mImpl->mEventData->mInputStyle.textColor; - - // Add style runs. - if( addColorRun ) - { - const VectorBase::SizeType numberOfRuns = mImpl->mLogicalModel->mColorRuns.Count(); - mImpl->mLogicalModel->mColorRuns.Resize( numberOfRuns + 1u ); - - ColorRun& colorRun = *( mImpl->mLogicalModel->mColorRuns.Begin() + numberOfRuns ); - colorRun.color = mImpl->mEventData->mInputStyle.textColor; - colorRun.characterRun.characterIndex = cursorIndex; - colorRun.characterRun.numberOfCharacters = maxSizeOfNewText; - } - - // Insert at current cursor position. - Vector& modifyText = mImpl->mLogicalModel->mText; - - if( cursorIndex < numberOfCharactersInModel ) - { - modifyText.Insert( modifyText.Begin() + cursorIndex, utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText ); - } - else - { - modifyText.Insert( modifyText.End(), utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText ); - } - - cursorIndex += maxSizeOfNewText; - - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Inserted %d characters, new size %d new cursor %d\n", maxSizeOfNewText, mImpl->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition ); - } - - if( ( 0u == mImpl->mLogicalModel->mText.Count() ) && - mImpl->IsPlaceholderAvailable() ) - { - // Show place-holder if empty after removing the pre-edit text - ShowPlaceholderText(); - mImpl->mEventData->mUpdateCursorPosition = true; - mImpl->ClearPreEditFlag(); - } - else if( removedPrevious || - ( 0 != utf32Characters.Count() ) ) - { - // Queue an inserted event - mImpl->QueueModifyEvent( ModifyEvent::TEXT_INSERTED ); - } - - if( maxLengthReached ) - { - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "MaxLengthReached (%d)\n", mImpl->mLogicalModel->mText.Count() ); - - mImpl->ResetImfManager(); - - // Do this last since it provides callbacks into application code - mImpl->mControlInterface.MaxLengthReached(); - } -} - -bool Controller::RemoveSelectedText() -{ - bool textRemoved( false ); - - if( EventData::SELECTING == mImpl->mEventData->mState ) - { - std::string removedString; - mImpl->RetrieveSelection( removedString, true ); - - if( !removedString.empty() ) - { - textRemoved = true; - mImpl->ChangeState( EventData::EDITING ); - } - } - - return textRemoved; -} - -void Controller::TapEvent( unsigned int tapCount, float x, float y ) -{ - DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected TapEvent" ); - - if( NULL != mImpl->mEventData ) - { - DALI_LOG_INFO( gLogFilter, Debug::Concise, "TapEvent state:%d \n", mImpl->mEventData->mState ); - - if( 1u == tapCount ) - { - // This is to avoid unnecessary relayouts when tapping an empty text-field - bool relayoutNeeded( false ); - - if( ( EventData::EDITING_WITH_PASTE_POPUP == mImpl->mEventData->mState ) || - ( EventData::EDITING_WITH_PASTE_POPUP == mImpl->mEventData->mState ) ) - { - mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE); // If Popup shown hide it here so can be shown again if required. - } - - if( mImpl->IsShowingRealText() && ( EventData::INACTIVE != mImpl->mEventData->mState ) ) + if( mImpl->IsShowingRealText() && ( EventData::INACTIVE != state ) ) { - // Already in an active state so show a popup - if( !mImpl->IsClipboardEmpty() ) - { - // Shows Paste popup but could show full popup with Selection options. ( EDITING_WITH_POPUP ) - mImpl->ChangeState( EventData::EDITING_WITH_PASTE_POPUP ); - } - else - { - mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE ); - } + mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE ); relayoutNeeded = true; } else @@ -1692,7 +1763,7 @@ void Controller::TapEvent( unsigned int tapCount, float x, float y ) ResetText(); } - if( EventData::INACTIVE == mImpl->mEventData->mState ) + if( EventData::INACTIVE == state ) { mImpl->ChangeState( EventData::EDITING ); } @@ -1702,18 +1773,6 @@ void Controller::TapEvent( unsigned int tapCount, float x, float y ) } relayoutNeeded = true; } - - // Handles & cursors must be repositioned after Relayout() i.e. after the Model has been updated - if( relayoutNeeded ) - { - Event event( Event::TAP_EVENT ); - event.p1.mUint = tapCount; - event.p2.mFloat = x; - event.p3.mFloat = y; - mImpl->mEventData->mEventQueue.push_back( event ); - - mImpl->RequestRelayout(); - } } else if( 2u == tapCount ) { @@ -1723,6 +1782,17 @@ void Controller::TapEvent( unsigned int tapCount, float x, float y ) SelectEvent( x, y, false ); } } + // Handles & cursors must be repositioned after Relayout() i.e. after the Model has been updated + if( relayoutNeeded ) + { + Event event( Event::TAP_EVENT ); + event.p1.mUint = tapCount; + event.p2.mFloat = x; + event.p3.mFloat = y; + mImpl->mEventData->mEventQueue.push_back( event ); + + mImpl->RequestRelayout(); + } } // Reset keyboard as tap event has occurred. @@ -1730,7 +1800,6 @@ void Controller::TapEvent( unsigned int tapCount, float x, float y ) } void Controller::PanEvent( Gesture::State state, const Vector2& displacement ) - // Show cursor and grabhandle on first tap, this matches the behaviour of tapping when already editing { DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected PanEvent" ); @@ -1775,7 +1844,7 @@ void Controller::LongPressEvent( Gesture::State state, float x, float y ) mImpl->RequestRelayout(); } - else + else if( !mImpl->IsClipboardVisible() ) { // Reset the imf manger to commit the pre-edit before selecting the text. mImpl->ResetImfManager(); @@ -1786,53 +1855,156 @@ void Controller::LongPressEvent( Gesture::State state, float x, float y ) } } -void Controller::SelectEvent( float x, float y, bool selectAll ) +ImfManager::ImfCallbackData Controller::OnImfEvent( ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent ) { - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SelectEvent\n" ); + // Whether the text needs to be relaid-out. + bool requestRelayout = false; - if( NULL != mImpl->mEventData ) + // Whether to retrieve the text and cursor position to be sent to the IMF manager. + bool retrieveText = false; + bool retrieveCursor = false; + + switch( imfEvent.eventName ) { - mImpl->ChangeState( EventData::SELECTING ); + case ImfManager::COMMIT: + { + InsertText( imfEvent.predictiveString, Text::Controller::COMMIT ); + requestRelayout = true; + retrieveCursor = true; + break; + } + case ImfManager::PREEDIT: + { + InsertText( imfEvent.predictiveString, Text::Controller::PRE_EDIT ); + requestRelayout = true; + retrieveCursor = true; + break; + } + case ImfManager::DELETESURROUNDING: + { + const bool textDeleted = RemoveText( imfEvent.cursorOffset, + imfEvent.numberOfChars, + DONT_UPDATE_INPUT_STYLE ); - if( selectAll ) + if( textDeleted ) + { + if( ( 0u != mImpl->mLogicalModel->mText.Count() ) || + !mImpl->IsPlaceholderAvailable() ) + { + mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED ); + } + else + { + ShowPlaceholderText(); + } + mImpl->mEventData->mUpdateCursorPosition = true; + mImpl->mEventData->mScrollAfterDelete = true; + + requestRelayout = true; + } + break; + } + case ImfManager::GETSURROUNDING: { - Event event( Event::SELECT_ALL ); - mImpl->mEventData->mEventQueue.push_back( event ); + retrieveText = true; + retrieveCursor = true; + break; } - else + case ImfManager::VOID: { - Event event( Event::SELECT ); - event.p2.mFloat = x; - event.p3.mFloat = y; - mImpl->mEventData->mEventQueue.push_back( event ); + // do nothing + break; } + } // end switch + if( requestRelayout ) + { + mImpl->mOperationsPending = ALL_OPERATIONS; mImpl->RequestRelayout(); } -} -void Controller::GetTargetSize( Vector2& targetSize ) -{ - targetSize = mImpl->mVisualModel->mControlSize; -} + std::string text; + CharacterIndex cursorPosition = 0u; + Length numberOfWhiteSpaces = 0u; -void Controller::AddDecoration( Actor& actor, bool needsClipping ) -{ - mImpl->mControlInterface.AddDecoration( actor, needsClipping ); -} + if( retrieveCursor ) + { + numberOfWhiteSpaces = mImpl->GetNumberOfWhiteSpaces( 0u ); -void Controller::DecorationEvent( HandleType handleType, HandleState state, float x, float y ) -{ - DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected DecorationEvent" ); + cursorPosition = mImpl->GetLogicalCursorPosition(); - if( NULL != mImpl->mEventData ) - { - switch( handleType ) + if( cursorPosition < numberOfWhiteSpaces ) { - case GRAB_HANDLE: - { - Event event( Event::GRAB_HANDLE_EVENT ); - event.p1.mUint = state; + cursorPosition = 0u; + } + else + { + cursorPosition -= numberOfWhiteSpaces; + } + } + + if( retrieveText ) + { + mImpl->GetText( numberOfWhiteSpaces, text ); + } + + ImfManager::ImfCallbackData callbackData( ( retrieveText || retrieveCursor ), cursorPosition, text, false ); + + if( requestRelayout && + ( NULL != mImpl->mEditableControlInterface ) ) + { + // Do this last since it provides callbacks into application code + mImpl->mEditableControlInterface->TextChanged(); + } + + return callbackData; +} + +void Controller::PasteClipboardItemEvent() +{ + // Retrieve the clipboard contents first + ClipboardEventNotifier notifier( ClipboardEventNotifier::Get() ); + std::string stringToPaste( notifier.GetContent() ); + + // Commit the current pre-edit text; the contents of the clipboard should be appended + mImpl->ResetImfManager(); + + // Temporary disable hiding clipboard + mImpl->SetClipboardHideEnable( false ); + + // Paste + PasteText( stringToPaste ); + + mImpl->SetClipboardHideEnable( true ); +} + +// protected : Inherit from Text::Decorator::ControllerInterface. + +void Controller::GetTargetSize( Vector2& targetSize ) +{ + targetSize = mImpl->mVisualModel->mControlSize; +} + +void Controller::AddDecoration( Actor& actor, bool needsClipping ) +{ + if( NULL != mImpl->mEditableControlInterface ) + { + mImpl->mEditableControlInterface->AddDecoration( actor, needsClipping ); + } +} + +void Controller::DecorationEvent( HandleType handleType, HandleState state, float x, float y ) +{ + DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected DecorationEvent" ); + + if( NULL != mImpl->mEventData ) + { + switch( handleType ) + { + case GRAB_HANDLE: + { + Event event( Event::GRAB_HANDLE_EVENT ); + event.p1.mUint = state; event.p2.mFloat = x; event.p3.mFloat = y; @@ -1875,189 +2047,770 @@ void Controller::DecorationEvent( HandleType handleType, HandleState state, floa } } +// protected : Inherit from TextSelectionPopup::TextPopupButtonCallbackInterface. + +void Controller::TextPopupButtonTouched( Dali::Toolkit::TextSelectionPopup::Buttons button ) +{ + if( NULL == mImpl->mEventData ) + { + return; + } + + switch( button ) + { + case Toolkit::TextSelectionPopup::CUT: + { + mImpl->SendSelectionToClipboard( true ); // Synchronous call to modify text + mImpl->mOperationsPending = ALL_OPERATIONS; + + if( ( 0u != mImpl->mLogicalModel->mText.Count() ) || + !mImpl->IsPlaceholderAvailable() ) + { + mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED ); + } + else + { + ShowPlaceholderText(); + } + + mImpl->mEventData->mUpdateCursorPosition = true; + mImpl->mEventData->mScrollAfterDelete = true; + + mImpl->RequestRelayout(); + + if( NULL != mImpl->mEditableControlInterface ) + { + mImpl->mEditableControlInterface->TextChanged(); + } + break; + } + case Toolkit::TextSelectionPopup::COPY: + { + mImpl->SendSelectionToClipboard( false ); // Text not modified + + mImpl->mEventData->mUpdateCursorPosition = true; + + mImpl->RequestRelayout(); // Cursor, Handles, Selection Highlight, Popup + break; + } + case Toolkit::TextSelectionPopup::PASTE: + { + mImpl->RequestGetTextFromClipboard(); // Request clipboard service to retrieve an item + break; + } + case Toolkit::TextSelectionPopup::SELECT: + { + const Vector2& currentCursorPosition = mImpl->mEventData->mDecorator->GetPosition( PRIMARY_CURSOR ); + + if( mImpl->mEventData->mSelectionEnabled ) + { + // Creates a SELECT event. + SelectEvent( currentCursorPosition.x, currentCursorPosition.y, false ); + } + break; + } + case Toolkit::TextSelectionPopup::SELECT_ALL: + { + // Creates a SELECT_ALL event + SelectEvent( 0.f, 0.f, true ); + break; + } + case Toolkit::TextSelectionPopup::CLIPBOARD: + { + mImpl->ShowClipboard(); + break; + } + case Toolkit::TextSelectionPopup::NONE: + { + // Nothing to do. + break; + } + } +} + +// private : Update. + +void Controller::InsertText( const std::string& text, Controller::InsertType type ) +{ + bool removedPrevious( false ); + bool maxLengthReached( false ); + + DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected InsertText" ) + + if( NULL == mImpl->mEventData ) + { + return; + } + + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::InsertText %p %s (%s) mPrimaryCursorPosition %d mPreEditFlag %d mPreEditStartPosition %d mPreEditLength %d\n", + this, text.c_str(), (COMMIT == type ? "COMMIT" : "PRE_EDIT"), + mImpl->mEventData->mPrimaryCursorPosition, mImpl->mEventData->mPreEditFlag, mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength ); + + // TODO: At the moment the underline runs are only for pre-edit. + mImpl->mVisualModel->mUnderlineRuns.Clear(); + + // Keep the current number of characters. + const Length currentNumberOfCharacters = mImpl->IsShowingRealText() ? mImpl->mLogicalModel->mText.Count() : 0u; + + // Remove the previous IMF pre-edit. + if( mImpl->mEventData->mPreEditFlag && ( 0u != mImpl->mEventData->mPreEditLength ) ) + { + removedPrevious = RemoveText( -static_cast( mImpl->mEventData->mPrimaryCursorPosition - mImpl->mEventData->mPreEditStartPosition ), + mImpl->mEventData->mPreEditLength, + DONT_UPDATE_INPUT_STYLE ); + + mImpl->mEventData->mPrimaryCursorPosition = mImpl->mEventData->mPreEditStartPosition; + mImpl->mEventData->mPreEditLength = 0u; + } + else + { + // Remove the previous Selection. + removedPrevious = RemoveSelectedText(); + } + + Vector utf32Characters; + Length characterCount = 0u; + + if( !text.empty() ) + { + // Convert text into UTF-32 + utf32Characters.Resize( text.size() ); + + // This is a bit horrible but std::string returns a (signed) char* + const uint8_t* utf8 = reinterpret_cast( text.c_str() ); + + // Transform a text array encoded in utf8 into an array encoded in utf32. + // It returns the actual number of characters. + characterCount = Utf8ToUtf32( utf8, text.size(), utf32Characters.Begin() ); + utf32Characters.Resize( characterCount ); + + DALI_ASSERT_DEBUG( text.size() >= utf32Characters.Count() && "Invalid UTF32 conversion length" ); + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "UTF8 size %d, UTF32 size %d\n", text.size(), utf32Characters.Count() ); + } + + if( 0u != utf32Characters.Count() ) // Check if Utf8ToUtf32 conversion succeeded + { + // The placeholder text is no longer needed + if( mImpl->IsShowingPlaceholderText() ) + { + ResetText(); + } + + mImpl->ChangeState( EventData::EDITING ); + + // Handle the IMF (predicitive text) state changes + if( COMMIT == type ) + { + // IMF manager is no longer handling key-events + mImpl->ClearPreEditFlag(); + } + else // PRE_EDIT + { + if( !mImpl->mEventData->mPreEditFlag ) + { + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Entered PreEdit state\n" ); + + // Record the start of the pre-edit text + mImpl->mEventData->mPreEditStartPosition = mImpl->mEventData->mPrimaryCursorPosition; + } + + mImpl->mEventData->mPreEditLength = utf32Characters.Count(); + mImpl->mEventData->mPreEditFlag = true; + + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "mPreEditStartPosition %d mPreEditLength %d\n", mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength ); + } + + const Length numberOfCharactersInModel = mImpl->mLogicalModel->mText.Count(); + + // Restrict new text to fit within Maximum characters setting. + Length maxSizeOfNewText = std::min( ( mImpl->mMaximumNumberOfCharacters - numberOfCharactersInModel ), characterCount ); + maxLengthReached = ( characterCount > maxSizeOfNewText ); + + // The cursor position. + CharacterIndex& cursorIndex = mImpl->mEventData->mPrimaryCursorPosition; + + // Update the text's style. + + // Updates the text style runs by adding characters. + mImpl->mLogicalModel->UpdateTextStyleRuns( cursorIndex, maxSizeOfNewText ); + + // Get the character index from the cursor index. + const CharacterIndex styleIndex = ( cursorIndex > 0u ) ? cursorIndex - 1u : 0u; + + // Retrieve the text's style for the given index. + InputStyle style; + mImpl->RetrieveDefaultInputStyle( style ); + mImpl->mLogicalModel->RetrieveStyle( styleIndex, style ); + + // Whether to add a new text color run. + const bool addColorRun = ( style.textColor != mImpl->mEventData->mInputStyle.textColor ); + + // Whether to add a new font run. + const bool addFontNameRun = style.familyName != mImpl->mEventData->mInputStyle.familyName; + const bool addFontWeightRun = style.weight != mImpl->mEventData->mInputStyle.weight; + const bool addFontWidthRun = style.width != mImpl->mEventData->mInputStyle.width; + const bool addFontSlantRun = style.slant != mImpl->mEventData->mInputStyle.slant; + const bool addFontSizeRun = style.size != mImpl->mEventData->mInputStyle.size; + + // Add style runs. + if( addColorRun ) + { + const VectorBase::SizeType numberOfRuns = mImpl->mLogicalModel->mColorRuns.Count(); + mImpl->mLogicalModel->mColorRuns.Resize( numberOfRuns + 1u ); + + ColorRun& colorRun = *( mImpl->mLogicalModel->mColorRuns.Begin() + numberOfRuns ); + colorRun.color = mImpl->mEventData->mInputStyle.textColor; + colorRun.characterRun.characterIndex = cursorIndex; + colorRun.characterRun.numberOfCharacters = maxSizeOfNewText; + } + + if( addFontNameRun || + addFontWeightRun || + addFontWidthRun || + addFontSlantRun || + addFontSizeRun ) + { + const VectorBase::SizeType numberOfRuns = mImpl->mLogicalModel->mFontDescriptionRuns.Count(); + mImpl->mLogicalModel->mFontDescriptionRuns.Resize( numberOfRuns + 1u ); + + FontDescriptionRun& fontDescriptionRun = *( mImpl->mLogicalModel->mFontDescriptionRuns.Begin() + numberOfRuns ); + + if( addFontNameRun ) + { + fontDescriptionRun.familyLength = mImpl->mEventData->mInputStyle.familyName.size(); + fontDescriptionRun.familyName = new char[fontDescriptionRun.familyLength]; + memcpy( fontDescriptionRun.familyName, mImpl->mEventData->mInputStyle.familyName.c_str(), fontDescriptionRun.familyLength ); + fontDescriptionRun.familyDefined = true; + + // The memory allocated for the font family name is freed when the font description is removed from the logical model. + } + + if( addFontWeightRun ) + { + fontDescriptionRun.weight = mImpl->mEventData->mInputStyle.weight; + fontDescriptionRun.weightDefined = true; + } + + if( addFontWidthRun ) + { + fontDescriptionRun.width = mImpl->mEventData->mInputStyle.width; + fontDescriptionRun.widthDefined = true; + } + + if( addFontSlantRun ) + { + fontDescriptionRun.slant = mImpl->mEventData->mInputStyle.slant; + fontDescriptionRun.slantDefined = true; + } + + if( addFontSizeRun ) + { + fontDescriptionRun.size = static_cast( mImpl->mEventData->mInputStyle.size * 64.f ); + fontDescriptionRun.sizeDefined = true; + } + + fontDescriptionRun.characterRun.characterIndex = cursorIndex; + fontDescriptionRun.characterRun.numberOfCharacters = maxSizeOfNewText; + } + + // Insert at current cursor position. + Vector& modifyText = mImpl->mLogicalModel->mText; + + if( cursorIndex < numberOfCharactersInModel ) + { + modifyText.Insert( modifyText.Begin() + cursorIndex, utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText ); + } + else + { + modifyText.Insert( modifyText.End(), utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText ); + } + + // Mark the first paragraph to be updated. + mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex ); + mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd += maxSizeOfNewText; + + // Update the cursor index. + cursorIndex += maxSizeOfNewText; + + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Inserted %d characters, new size %d new cursor %d\n", maxSizeOfNewText, mImpl->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition ); + } + + const Length numberOfCharacters = mImpl->IsShowingRealText() ? mImpl->mLogicalModel->mText.Count() : 0u; + + if( ( 0u == mImpl->mLogicalModel->mText.Count() ) && + mImpl->IsPlaceholderAvailable() ) + { + // Show place-holder if empty after removing the pre-edit text + ShowPlaceholderText(); + mImpl->mEventData->mUpdateCursorPosition = true; + mImpl->ClearPreEditFlag(); + } + else if( removedPrevious || + ( 0 != utf32Characters.Count() ) ) + { + // Queue an inserted event + mImpl->QueueModifyEvent( ModifyEvent::TEXT_INSERTED ); + + mImpl->mEventData->mUpdateCursorPosition = true; + if( numberOfCharacters < currentNumberOfCharacters ) + { + mImpl->mEventData->mScrollAfterDelete = true; + } + else + { + mImpl->mEventData->mScrollAfterUpdatePosition = true; + } + } + + if( maxLengthReached ) + { + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "MaxLengthReached (%d)\n", mImpl->mLogicalModel->mText.Count() ); + + mImpl->ResetImfManager(); + + if( NULL != mImpl->mEditableControlInterface ) + { + // Do this last since it provides callbacks into application code + mImpl->mEditableControlInterface->MaxLengthReached(); + } + } +} + void Controller::PasteText( const std::string& stringToPaste ) { InsertText( stringToPaste, Text::Controller::COMMIT ); mImpl->ChangeState( EventData::EDITING ); mImpl->RequestRelayout(); - // Do this last since it provides callbacks into application code - mImpl->mControlInterface.TextChanged(); + if( NULL != mImpl->mEditableControlInterface ) + { + // Do this last since it provides callbacks into application code + mImpl->mEditableControlInterface->TextChanged(); + } } -void Controller::PasteClipboardItemEvent() +bool Controller::RemoveText( int cursorOffset, + int numberOfCharacters, + UpdateInputStyleType type ) { - // Retrieve the clipboard contents first - ClipboardEventNotifier notifier( ClipboardEventNotifier::Get() ); - std::string stringToPaste( notifier.GetContent() ); + bool removed = false; - // Commit the current pre-edit text; the contents of the clipboard should be appended - mImpl->ResetImfManager(); + if( NULL == mImpl->mEventData ) + { + return removed; + } - // Paste - PasteText( stringToPaste ); + DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p mText.Count() %d cursor %d cursorOffset %d numberOfCharacters %d\n", + this, mImpl->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition, cursorOffset, numberOfCharacters ); + + if( !mImpl->IsShowingPlaceholderText() ) + { + // Delete at current cursor position + Vector& currentText = mImpl->mLogicalModel->mText; + CharacterIndex& oldCursorIndex = mImpl->mEventData->mPrimaryCursorPosition; + + CharacterIndex cursorIndex = oldCursorIndex; + + // Validate the cursor position & number of characters + if( static_cast< CharacterIndex >( std::abs( cursorOffset ) ) <= cursorIndex ) + { + cursorIndex = oldCursorIndex + cursorOffset; + } + + if( ( cursorIndex + numberOfCharacters ) > currentText.Count() ) + { + numberOfCharacters = currentText.Count() - cursorIndex; + } + + if( ( cursorIndex + numberOfCharacters ) <= mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters ) + { + // Mark the paragraphs to be updated. + mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex ); + mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove += numberOfCharacters; + + // Update the input style and remove the text's style before removing the text. + + if( UPDATE_INPUT_STYLE == type ) + { + // Keep a copy of the current input style. + InputStyle currentInputStyle; + currentInputStyle.Copy( mImpl->mEventData->mInputStyle ); + + // Set first the default input style. + mImpl->RetrieveDefaultInputStyle( mImpl->mEventData->mInputStyle ); + + // Update the input style. + mImpl->mLogicalModel->RetrieveStyle( cursorIndex, mImpl->mEventData->mInputStyle ); + + // Compare if the input style has changed. + const bool hasInputStyleChanged = !currentInputStyle.Equal( mImpl->mEventData->mInputStyle ); + + if( hasInputStyleChanged ) + { + const InputStyle::Mask styleChangedMask = currentInputStyle.GetInputStyleChangeMask( mImpl->mEventData->mInputStyle ); + // Queue the input style changed signal. + mImpl->mEventData->mInputStyleChangedQueue.PushBack( styleChangedMask ); + } + } + + // Updates the text style runs by removing characters. Runs with no characters are removed. + mImpl->mLogicalModel->UpdateTextStyleRuns( cursorIndex, -numberOfCharacters ); + + // Remove the characters. + Vector::Iterator first = currentText.Begin() + cursorIndex; + Vector::Iterator last = first + numberOfCharacters; + + currentText.Erase( first, last ); + + // Cursor position retreat + oldCursorIndex = cursorIndex; + + mImpl->mEventData->mScrollAfterDelete = true; + + DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p removed %d\n", this, numberOfCharacters ); + removed = true; + } + } + + return removed; } -void Controller::TextPopupButtonTouched( Dali::Toolkit::TextSelectionPopup::Buttons button ) +bool Controller::RemoveSelectedText() { - if( NULL == mImpl->mEventData ) + bool textRemoved( false ); + + if( EventData::SELECTING == mImpl->mEventData->mState ) + { + std::string removedString; + mImpl->RetrieveSelection( removedString, true ); + + if( !removedString.empty() ) + { + textRemoved = true; + mImpl->ChangeState( EventData::EDITING ); + } + } + + return textRemoved; +} + +// private : Relayout. + +bool Controller::DoRelayout( const Size& size, + OperationsMask operationsRequired, + Size& layoutSize ) +{ + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout %p size %f,%f\n", this, size.width, size.height ); + bool viewUpdated( false ); + + // Calculate the operations to be done. + const OperationsMask operations = static_cast( mImpl->mOperationsPending & operationsRequired ); + + const CharacterIndex startIndex = mImpl->mTextUpdateInfo.mParagraphCharacterIndex; + const Length requestedNumberOfCharacters = mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters; + + // Get the current layout size. + layoutSize = mImpl->mVisualModel->GetLayoutSize(); + + if( NO_OPERATION != ( LAYOUT & operations ) ) + { + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout LAYOUT & operations\n"); + + // Some vectors with data needed to layout and reorder may be void + // after the first time the text has been laid out. + // Fill the vectors again. + + // Calculate the number of glyphs to layout. + const Vector& charactersToGlyph = mImpl->mVisualModel->mCharactersToGlyph; + const Vector& glyphsPerCharacter = mImpl->mVisualModel->mGlyphsPerCharacter; + const GlyphIndex* const charactersToGlyphBuffer = charactersToGlyph.Begin(); + const Length* const glyphsPerCharacterBuffer = glyphsPerCharacter.Begin(); + + const CharacterIndex lastIndex = startIndex + ( ( requestedNumberOfCharacters > 0u ) ? requestedNumberOfCharacters - 1u : 0u ); + const GlyphIndex startGlyphIndex = mImpl->mTextUpdateInfo.mStartGlyphIndex; + const Length numberOfGlyphs = ( requestedNumberOfCharacters > 0u ) ? *( charactersToGlyphBuffer + lastIndex ) + *( glyphsPerCharacterBuffer + lastIndex ) - startGlyphIndex : 0u; + const Length totalNumberOfGlyphs = mImpl->mVisualModel->mGlyphs.Count(); + + if( 0u == totalNumberOfGlyphs ) + { + if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) ) + { + mImpl->mVisualModel->SetLayoutSize( Size::ZERO ); + } + + // Nothing else to do if there is no glyphs. + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout no glyphs, view updated true\n" ); + return true; + } + + const Vector& lineBreakInfo = mImpl->mLogicalModel->mLineBreakInfo; + const Vector& wordBreakInfo = mImpl->mLogicalModel->mWordBreakInfo; + const Vector& characterDirection = mImpl->mLogicalModel->mCharacterDirections; + const Vector& glyphs = mImpl->mVisualModel->mGlyphs; + const Vector& glyphsToCharactersMap = mImpl->mVisualModel->mGlyphsToCharacters; + const Vector& charactersPerGlyph = mImpl->mVisualModel->mCharactersPerGlyph; + const Character* const textBuffer = mImpl->mLogicalModel->mText.Begin(); + + // Set the layout parameters. + LayoutParameters layoutParameters( size, + textBuffer, + lineBreakInfo.Begin(), + wordBreakInfo.Begin(), + ( 0u != characterDirection.Count() ) ? characterDirection.Begin() : NULL, + glyphs.Begin(), + glyphsToCharactersMap.Begin(), + charactersPerGlyph.Begin(), + charactersToGlyphBuffer, + glyphsPerCharacterBuffer, + totalNumberOfGlyphs ); + + // Resize the vector of positions to have the same size than the vector of glyphs. + Vector& glyphPositions = mImpl->mVisualModel->mGlyphPositions; + glyphPositions.Resize( totalNumberOfGlyphs ); + + // Whether the last character is a new paragraph character. + mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph = TextAbstraction::IsNewParagraph( *( textBuffer + ( mImpl->mLogicalModel->mText.Count() - 1u ) ) ); + layoutParameters.isLastNewParagraph = mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph; + + // The initial glyph and the number of glyphs to layout. + layoutParameters.startGlyphIndex = startGlyphIndex; + layoutParameters.numberOfGlyphs = numberOfGlyphs; + layoutParameters.startLineIndex = mImpl->mTextUpdateInfo.mStartLineIndex; + layoutParameters.estimatedNumberOfLines = mImpl->mTextUpdateInfo.mEstimatedNumberOfLines; + + // Update the visual model. + Size newLayoutSize; + viewUpdated = mImpl->mLayoutEngine.LayoutText( layoutParameters, + glyphPositions, + mImpl->mVisualModel->mLines, + newLayoutSize ); + + viewUpdated = viewUpdated || ( newLayoutSize != layoutSize ); + + if( viewUpdated ) + { + layoutSize = newLayoutSize; + + if ( NO_OPERATION != ( UPDATE_DIRECTION & operations ) ) + { + mImpl->mAutoScrollDirectionRTL = false; + } + + // Reorder the lines + if( NO_OPERATION != ( REORDER & operations ) ) + { + Vector& bidirectionalInfo = mImpl->mLogicalModel->mBidirectionalParagraphInfo; + Vector& bidirectionalLineInfo = mImpl->mLogicalModel->mBidirectionalLineInfo; + + // Check first if there are paragraphs with bidirectional info. + if( 0u != bidirectionalInfo.Count() ) + { + // Get the lines + const Length numberOfLines = mImpl->mVisualModel->mLines.Count(); + + // Reorder the lines. + bidirectionalLineInfo.Reserve( numberOfLines ); // Reserve because is not known yet how many lines have right to left characters. + ReorderLines( bidirectionalInfo, + startIndex, + requestedNumberOfCharacters, + mImpl->mVisualModel->mLines, + bidirectionalLineInfo ); + + // Set the bidirectional info per line into the layout parameters. + layoutParameters.lineBidirectionalInfoRunsBuffer = bidirectionalLineInfo.Begin(); + layoutParameters.numberOfBidirectionalInfoRuns = bidirectionalLineInfo.Count(); + + // Re-layout the text. Reorder those lines with right to left characters. + mImpl->mLayoutEngine.ReLayoutRightToLeftLines( layoutParameters, + startIndex, + requestedNumberOfCharacters, + glyphPositions ); + + if ( ( NO_OPERATION != ( UPDATE_DIRECTION & operations ) ) && ( numberOfLines > 0 ) ) + { + const LineRun* const firstline = mImpl->mVisualModel->mLines.Begin(); + if ( firstline ) + { + mImpl->mAutoScrollDirectionRTL = firstline->direction; + } + } + } + } // REORDER + + // Sets the layout size. + if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) ) + { + mImpl->mVisualModel->SetLayoutSize( layoutSize ); + } + } // view updated + + // Store the size used to layout the text. + mImpl->mVisualModel->mControlSize = size; + } + + if( NO_OPERATION != ( ALIGN & operations ) ) + { + // The laid-out lines. + Vector& lines = mImpl->mVisualModel->mLines; + + mImpl->mLayoutEngine.Align( size, + startIndex, + requestedNumberOfCharacters, + lines ); + + viewUpdated = true; + } +#if defined(DEBUG_ENABLED) + std::string currentText; + GetText( currentText ); + DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::DoRelayout [%p] mImpl->mAutoScrollDirectionRTL[%s] [%s]\n", this, (mImpl->mAutoScrollDirectionRTL)?"true":"false", currentText.c_str() ); +#endif + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout, view updated %s\n", ( viewUpdated ? "true" : "false" ) ); + return viewUpdated; +} + +void Controller::CalculateVerticalOffset( const Size& controlSize ) +{ + Size layoutSize = mImpl->mVisualModel->GetLayoutSize(); + + if( fabsf( layoutSize.height ) < Math::MACHINE_EPSILON_1000 ) { - return; + // Get the line height of the default font. + layoutSize.height = mImpl->GetDefaultFontLineHeight(); } - switch( button ) + switch( mImpl->mLayoutEngine.GetVerticalAlignment() ) { - case Toolkit::TextSelectionPopup::CUT: - { - mImpl->SendSelectionToClipboard( true ); // Synchronous call to modify text - mImpl->mOperationsPending = ALL_OPERATIONS; - - // This is to reset the virtual keyboard to Upper-case - if( 0u == mImpl->mLogicalModel->mText.Count() ) - { - NotifyImfManager(); - } - - if( ( 0u != mImpl->mLogicalModel->mText.Count() ) || - !mImpl->IsPlaceholderAvailable() ) - { - mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED ); - } - else - { - ShowPlaceholderText(); - mImpl->mEventData->mUpdateCursorPosition = true; - } - mImpl->RequestRelayout(); - mImpl->mControlInterface.TextChanged(); - break; - } - case Toolkit::TextSelectionPopup::COPY: - { - mImpl->SendSelectionToClipboard( false ); // Text not modified - mImpl->RequestRelayout(); // Handles, Selection Highlight, Popup - break; - } - case Toolkit::TextSelectionPopup::PASTE: - { - std::string stringToPaste(""); - mImpl->GetTextFromClipboard( 0, stringToPaste ); // Paste latest item from system clipboard - PasteText( stringToPaste ); - break; - } - case Toolkit::TextSelectionPopup::SELECT: - { - const Vector2& currentCursorPosition = mImpl->mEventData->mDecorator->GetPosition( PRIMARY_CURSOR ); - - if( mImpl->mEventData->mSelectionEnabled ) - { - // Creates a SELECT event. - SelectEvent( currentCursorPosition.x, currentCursorPosition.y, false ); - } - break; - } - case Toolkit::TextSelectionPopup::SELECT_ALL: + case LayoutEngine::VERTICAL_ALIGN_TOP: { - // Creates a SELECT_ALL event - SelectEvent( 0.f, 0.f, true ); + mImpl->mScrollPosition.y = 0.f; break; } - case Toolkit::TextSelectionPopup::CLIPBOARD: + case LayoutEngine::VERTICAL_ALIGN_CENTER: { - mImpl->ShowClipboard(); + mImpl->mScrollPosition.y = floorf( 0.5f * ( controlSize.height - layoutSize.height ) ); // try to avoid pixel alignment. break; } - case Toolkit::TextSelectionPopup::NONE: + case LayoutEngine::VERTICAL_ALIGN_BOTTOM: { - // Nothing to do. + mImpl->mScrollPosition.y = controlSize.height - layoutSize.height; break; } } } -ImfManager::ImfCallbackData Controller::OnImfEvent( ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent ) +// private : Events. + +void Controller::ProcessModifyEvents() { - bool update = false; - bool requestRelayout = false; + Vector& events = mImpl->mModifyEvents; - std::string text; - unsigned int cursorPosition = 0u; + if( 0u == events.Count() ) + { + // Nothing to do. + return; + } - switch( imfEvent.eventName ) + for( Vector::ConstIterator it = events.Begin(), + endIt = events.End(); + it != endIt; + ++it ) { - case ImfManager::COMMIT: + const ModifyEvent& event = *it; + + if( ModifyEvent::TEXT_REPLACED == event.type ) { - InsertText( imfEvent.predictiveString, Text::Controller::COMMIT ); - update = true; - requestRelayout = true; - break; + // A (single) replace event should come first, otherwise we wasted time processing NOOP events + DALI_ASSERT_DEBUG( it == events.Begin() && "Unexpected TEXT_REPLACED event" ); + + TextReplacedEvent(); } - case ImfManager::PREEDIT: + else if( ModifyEvent::TEXT_INSERTED == event.type ) { - InsertText( imfEvent.predictiveString, Text::Controller::PRE_EDIT ); - update = true; - requestRelayout = true; - break; + TextInsertedEvent(); } - case ImfManager::DELETESURROUNDING: + else if( ModifyEvent::TEXT_DELETED == event.type ) { - update = RemoveText( imfEvent.cursorOffset, imfEvent.numberOfChars ); - - if( update ) + // Placeholder-text cannot be deleted + if( !mImpl->IsShowingPlaceholderText() ) { - if( ( 0u != mImpl->mLogicalModel->mText.Count() ) || - !mImpl->IsPlaceholderAvailable() ) - { - mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED ); - } - else - { - ShowPlaceholderText(); - mImpl->mEventData->mUpdateCursorPosition = true; - } + TextDeletedEvent(); } - requestRelayout = true; - break; - } - case ImfManager::GETSURROUNDING: - { - GetText( text ); - cursorPosition = GetLogicalCursorPosition(); - - imfManager.SetSurroundingText( text ); - imfManager.SetCursorPosition( cursorPosition ); - break; - } - case ImfManager::VOID: - { - // do nothing - break; } - } // end switch + } - if( ImfManager::GETSURROUNDING != imfEvent.eventName ) + if( NULL != mImpl->mEventData ) { - GetText( text ); - cursorPosition = GetLogicalCursorPosition(); + // When the text is being modified, delay cursor blinking + mImpl->mEventData->mDecorator->DelayCursorBlink(); } - if( requestRelayout ) + // Discard temporary text + events.Clear(); +} + +void Controller::TextReplacedEvent() +{ + // The natural size needs to be re-calculated. + mImpl->mRecalculateNaturalSize = true; + + // Apply modifications to the model + mImpl->mOperationsPending = ALL_OPERATIONS; +} + +void Controller::TextInsertedEvent() +{ + DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextInsertedEvent" ); + + if( NULL == mImpl->mEventData ) { - mImpl->mOperationsPending = ALL_OPERATIONS; - mImpl->RequestRelayout(); + return; + } - // Do this last since it provides callbacks into application code - mImpl->mControlInterface.TextChanged(); + // The natural size needs to be re-calculated. + mImpl->mRecalculateNaturalSize = true; + + // Apply modifications to the model; TODO - Optimize this + mImpl->mOperationsPending = ALL_OPERATIONS; +} + +void Controller::TextDeletedEvent() +{ + DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextDeletedEvent" ); + + if( NULL == mImpl->mEventData ) + { + return; } - ImfManager::ImfCallbackData callbackData( update, cursorPosition, text, false ); + // The natural size needs to be re-calculated. + mImpl->mRecalculateNaturalSize = true; - return callbackData; + // Apply modifications to the model; TODO - Optimize this + mImpl->mOperationsPending = ALL_OPERATIONS; } -Controller::~Controller() +void Controller::SelectEvent( float x, float y, bool selectAll ) { - delete mImpl; + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SelectEvent\n" ); + + if( NULL != mImpl->mEventData ) + { + if( selectAll ) + { + Event event( Event::SELECT_ALL ); + mImpl->mEventData->mEventQueue.push_back( event ); + } + else + { + Event event( Event::SELECT ); + event.p2.mFloat = x; + event.p3.mFloat = y; + mImpl->mEventData->mEventQueue.push_back( event ); + } + + mImpl->RequestRelayout(); + } } bool Controller::BackspaceKeyEvent() @@ -2081,16 +2834,13 @@ bool Controller::BackspaceKeyEvent() else if( mImpl->mEventData->mPrimaryCursorPosition > 0 ) { // Remove the character before the current cursor position - removed = RemoveText( -1, 1 ); + removed = RemoveText( -1, + 1, + UPDATE_INPUT_STYLE ); } if( removed ) { - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p DALI_KEY_BACKSPACE RemovedText\n", this ); - // Notifiy the IMF manager after text changed - // Automatic Upper-case and restarting prediction on an existing word require this. - NotifyImfManager(); - if( ( 0u != mImpl->mLogicalModel->mText.Count() ) || !mImpl->IsPlaceholderAvailable() ) { @@ -2099,28 +2849,36 @@ bool Controller::BackspaceKeyEvent() else { ShowPlaceholderText(); - mImpl->mEventData->mUpdateCursorPosition = true; } + mImpl->mEventData->mUpdateCursorPosition = true; + mImpl->mEventData->mScrollAfterDelete = true; } return removed; } -void Controller::NotifyImfManager() +// private : Helpers. + +void Controller::ResetText() { - if( NULL != mImpl->mEventData ) - { - if( mImpl->mEventData->mImfManager ) - { - // Notifying IMF of a cursor change triggers a surrounding text request so updating it now. - std::string text; - GetText( text ); - mImpl->mEventData->mImfManager.SetSurroundingText( text ); + // Reset buffers. + mImpl->mLogicalModel->mText.Clear(); - mImpl->mEventData->mImfManager.SetCursorPosition( GetLogicalCursorPosition() ); - mImpl->mEventData->mImfManager.NotifyCursorPosition(); - } - } + // We have cleared everything including the placeholder-text + mImpl->PlaceholderCleared(); + + mImpl->mTextUpdateInfo.mCharacterIndex = 0u; + mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters; + mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = 0u; + + // Clear any previous text. + mImpl->mTextUpdateInfo.mClearAll = true; + + // The natural size needs to be re-calculated. + mImpl->mRecalculateNaturalSize = true; + + // Apply modifications to the model + mImpl->mOperationsPending = ALL_OPERATIONS; } void Controller::ShowPlaceholderText() @@ -2157,9 +2915,11 @@ void Controller::ShowPlaceholderText() size = mImpl->mEventData->mPlaceholderTextInactive.size(); } + mImpl->mTextUpdateInfo.mCharacterIndex = 0u; + mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters; + // Reset model for showing placeholder. mImpl->mLogicalModel->mText.Clear(); - ClearModelData(); mImpl->mVisualModel->SetTextColor( mImpl->mEventData->mPlaceholderTextColor ); // Convert text into UTF-32 @@ -2171,9 +2931,12 @@ void Controller::ShowPlaceholderText() // Transform a text array encoded in utf8 into an array encoded in utf32. // It returns the actual number of characters. - Length characterCount = Utf8ToUtf32( utf8, size, utf32Characters.Begin() ); + const Length characterCount = Utf8ToUtf32( utf8, size, utf32Characters.Begin() ); utf32Characters.Resize( characterCount ); + // The characters to be added. + mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = characterCount; + // Reset the cursor position mImpl->mEventData->mPrimaryCursorPosition = 0; @@ -2188,52 +2951,90 @@ void Controller::ShowPlaceholderText() } } -void Controller::ClearModelData() -{ - // n.b. This does not Clear the mText from mLogicalModel - mImpl->mLogicalModel->mScriptRuns.Clear(); - mImpl->mLogicalModel->mFontRuns.Clear(); - mImpl->mLogicalModel->mLineBreakInfo.Clear(); - mImpl->mLogicalModel->mWordBreakInfo.Clear(); - mImpl->mLogicalModel->mBidirectionalParagraphInfo.Clear(); - mImpl->mLogicalModel->mCharacterDirections.Clear(); - mImpl->mLogicalModel->mBidirectionalLineInfo.Clear(); - mImpl->mLogicalModel->mLogicalToVisualMap.Clear(); - mImpl->mLogicalModel->mVisualToLogicalMap.Clear(); - mImpl->mVisualModel->mGlyphs.Clear(); - mImpl->mVisualModel->mGlyphsToCharacters.Clear(); - mImpl->mVisualModel->mCharactersToGlyph.Clear(); - mImpl->mVisualModel->mCharactersPerGlyph.Clear(); - mImpl->mVisualModel->mGlyphsPerCharacter.Clear(); - mImpl->mVisualModel->mGlyphPositions.Clear(); - mImpl->mVisualModel->mLines.Clear(); - mImpl->mVisualModel->mColorRuns.Clear(); - mImpl->mVisualModel->ClearCaches(); -} - void Controller::ClearFontData() { - mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID - mImpl->mLogicalModel->mFontRuns.Clear(); - mImpl->mVisualModel->mGlyphs.Clear(); - mImpl->mVisualModel->mGlyphsToCharacters.Clear(); - mImpl->mVisualModel->mCharactersToGlyph.Clear(); - mImpl->mVisualModel->mCharactersPerGlyph.Clear(); - mImpl->mVisualModel->mGlyphsPerCharacter.Clear(); - mImpl->mVisualModel->mGlyphPositions.Clear(); - mImpl->mVisualModel->mLines.Clear(); - mImpl->mVisualModel->ClearCaches(); + if( mImpl->mFontDefaults ) + { + mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID + } + + // Set flags to update the model. + mImpl->mTextUpdateInfo.mCharacterIndex = 0u; + mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters; + mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mLogicalModel->mText.Count(); + + mImpl->mTextUpdateInfo.mClearAll = true; + mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true; + mImpl->mRecalculateNaturalSize = true; + + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | + VALIDATE_FONTS | + SHAPE_TEXT | + GET_GLYPH_METRICS | + LAYOUT | + UPDATE_LAYOUT_SIZE | + REORDER | + ALIGN ); } void Controller::ClearStyleData() { mImpl->mLogicalModel->mColorRuns.Clear(); + mImpl->mLogicalModel->ClearFontDescriptionRuns(); +} + +void Controller::ResetCursorPosition( CharacterIndex cursorIndex ) +{ + // Reset the cursor position + if( NULL != mImpl->mEventData ) + { + mImpl->mEventData->mPrimaryCursorPosition = cursorIndex; + + // Update the cursor if it's in editing mode. + if( EventData::IsEditingState( mImpl->mEventData->mState ) ) + { + mImpl->mEventData->mUpdateCursorPosition = true; + } + } +} + +void Controller::ResetScrollPosition() +{ + if( NULL != mImpl->mEventData ) + { + // Reset the scroll position. + mImpl->mScrollPosition = Vector2::ZERO; + mImpl->mEventData->mScrollAfterUpdatePosition = true; + } } -Controller::Controller( ControlInterface& controlInterface ) +// private : Private contructors & copy operator. + +Controller::Controller() : mImpl( NULL ) { - mImpl = new Controller::Impl( controlInterface ); + mImpl = new Controller::Impl( NULL, NULL ); +} + +Controller::Controller( ControlInterface* controlInterface ) +{ + mImpl = new Controller::Impl( controlInterface, NULL ); +} + +Controller::Controller( ControlInterface* controlInterface, + EditableControlInterface* editableControlInterface ) +{ + mImpl = new Controller::Impl( controlInterface, + editableControlInterface ); +} + +// The copy constructor and operator are left unimplemented. + +// protected : Destructor. + +Controller::~Controller() +{ + delete mImpl; } } // namespace Text