X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=dali-toolkit%2Finternal%2Ftext%2Ftext-controller.cpp;h=fc372af0467c55d1ef78fce49b0f6067a879126d;hb=406208364fe0ee31f31f475ba7ee7709e56d3e27;hp=02486bf148d62856f3e2995a6541bfcba5a92660;hpb=c11c7538e070434e84856ebd4af000dff4ca3f9a;p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git diff --git a/dali-toolkit/internal/text/text-controller.cpp b/dali-toolkit/internal/text/text-controller.cpp index 02486bf..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. @@ -20,27 +20,36 @@ // EXTERNAL INCLUDES #include +#include #include +#include +#include // INTERNAL INCLUDES #include #include #include -#include -#include -#include -#include +#include #include -#include -#include +#include namespace { +#if defined(DEBUG_ENABLED) + Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS"); +#endif + const float MAX_FLOAT = std::numeric_limits::max(); const std::string EMPTY_STRING(""); +float ConvertToEven( float value ) +{ + int intValue(static_cast( value )); + return static_cast(intValue % 2 == 0) ? intValue : (intValue + 1); +} + } // namespace namespace Dali @@ -52,255 +61,234 @@ 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 ) { - return ControllerPtr( new Controller( controlInterface ) ); -} + const bool handlesCrossed = eventData->mLeftSelectionPosition > eventData->mRightSelectionPosition; -void Controller::SetText( const std::string& text ) -{ - // Cancel previously queued inserts etc. - mImpl->mModifyEvents.clear(); + // Get start and end position of selection + startOfSelectedText = handlesCrossed ? eventData->mRightSelectionPosition : eventData->mLeftSelectionPosition; + lengthOfSelectedText = ( handlesCrossed ? eventData->mLeftSelectionPosition : eventData->mRightSelectionPosition ) - startOfSelectedText; - // Keep until size negotiation - ModifyEvent event; - event.type = ModifyEvent::REPLACE_TEXT; - event.text = text; - mImpl->mModifyEvents.push_back( event ); + // Add the font run. + const VectorBase::SizeType numberOfRuns = logicalModel->mFontDescriptionRuns.Count(); + logicalModel->mFontDescriptionRuns.Resize( numberOfRuns + 1u ); - if( mImpl->mEventData ) - { - // Cancel previously queued events - mImpl->mEventData->mEventQueue.clear(); + FontDescriptionRun& fontDescriptionRun = *( logicalModel->mFontDescriptionRuns.Begin() + numberOfRuns ); - // TODO - Hide selection decorations - } -} + fontDescriptionRun.characterRun.characterIndex = startOfSelectedText; + fontDescriptionRun.characterRun.numberOfCharacters = lengthOfSelectedText; -void Controller::GetText( std::string& text ) const -{ - if( !mImpl->mModifyEvents.empty() && - ModifyEvent::REPLACE_TEXT == mImpl->mModifyEvents[0].type ) - { - text = mImpl->mModifyEvents[0].text; - } - else - { - // TODO - Convert from UTF-32 - } + // Recalculate the selection highlight as the metrics may have changed. + eventData->mUpdateLeftSelectionPosition = true; + eventData->mUpdateRightSelectionPosition = true; + eventData->mUpdateHighlightBox = true; + + return fontDescriptionRun; } -void Controller::SetPlaceholderText( const std::string& text ) +// public : Constructor. + +ControllerPtr Controller::New() { - if( !mImpl->mEventData ) - { - mImpl->mEventData->mPlaceholderText = text; - } + return ControllerPtr( new Controller() ); } -void Controller::GetPlaceholderText( std::string& text ) const +ControllerPtr Controller::New( ControlInterface* controlInterface ) { - if( !mImpl->mEventData ) - { - text = mImpl->mEventData->mPlaceholderText; - } + return ControllerPtr( new Controller( controlInterface ) ); } -void Controller::SetDefaultFontFamily( const std::string& defaultFontFamily ) +ControllerPtr Controller::New( ControlInterface* controlInterface, + EditableControlInterface* editableControlInterface ) { - if( !mImpl->mFontDefaults ) - { - mImpl->mFontDefaults = new FontDefaults(); - } - - mImpl->mFontDefaults->mDefaultFontFamily = defaultFontFamily; - mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID - mImpl->mOperationsPending = ALL_OPERATIONS; - mImpl->mRecalculateNaturalSize = true; - - // Clear the font-specific data - 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(); - - mImpl->RequestRelayout(); + return ControllerPtr( new Controller( controlInterface, + editableControlInterface ) ); } -const std::string& Controller::GetDefaultFontFamily() const +// public : Configure the text controller. + +void Controller::EnableTextInput( DecoratorPtr decorator ) { - if( mImpl->mFontDefaults ) + if( NULL == mImpl->mEventData ) { - return mImpl->mFontDefaults->mDefaultFontFamily; + mImpl->mEventData = new EventData( decorator ); } - - return EMPTY_STRING; } -void Controller::SetDefaultFontStyle( const std::string& defaultFontStyle ) +void Controller::SetGlyphType( TextAbstraction::GlyphType glyphType ) { - if( !mImpl->mFontDefaults ) - { - mImpl->mFontDefaults = new FontDefaults(); - } - - mImpl->mFontDefaults->mDefaultFontStyle = defaultFontStyle; - mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID - mImpl->mOperationsPending = ALL_OPERATIONS; - mImpl->mRecalculateNaturalSize = true; + // Metrics for bitmap & vector based glyphs are different + mImpl->mMetrics->SetGlyphType( glyphType ); // Clear the font-specific data - 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(); + ClearFontData(); mImpl->RequestRelayout(); } -const std::string& Controller::GetDefaultFontStyle() const +void Controller::SetMarkupProcessorEnabled( bool enable ) { - if( mImpl->mFontDefaults ) - { - return mImpl->mFontDefaults->mDefaultFontStyle; - } - - return EMPTY_STRING; + mImpl->mMarkupProcessorEnabled = enable; } -void Controller::SetDefaultPointSize( float pointSize ) +bool Controller::IsMarkupProcessorEnabled() const { - if( !mImpl->mFontDefaults ) - { - mImpl->mFontDefaults = new FontDefaults(); - } - - mImpl->mFontDefaults->mDefaultPointSize = pointSize; - mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID - mImpl->mOperationsPending = ALL_OPERATIONS; - mImpl->mRecalculateNaturalSize = true; - - // Clear the font-specific data - 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(); - - mImpl->RequestRelayout(); + return mImpl->mMarkupProcessorEnabled; } -float Controller::GetDefaultPointSize() const +void Controller::SetAutoScrollEnabled( bool enable ) { - if( mImpl->mFontDefaults ) + 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 ) { - return mImpl->mFontDefaults->mDefaultPointSize; - } + 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 ); - return 0.0f; -} + } + else + { + DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled Disabling autoscroll\n"); + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | + LAYOUT | + ALIGN | + UPDATE_LAYOUT_SIZE | + REORDER ); + } -void Controller::GetDefaultFonts( Vector& fonts, Length numberOfCharacters ) const -{ - if( mImpl->mFontDefaults ) + mImpl->mIsAutoScrollEnabled = enable; + mImpl->RequestRelayout(); + } + else { - FontRun fontRun; - fontRun.characterRun.characterIndex = 0; - fontRun.characterRun.numberOfCharacters = numberOfCharacters; - fontRun.fontId = mImpl->mFontDefaults->GetFontId( mImpl->mFontClient ); - fontRun.isDefault = true; - - fonts.PushBack( fontRun ); + DALI_LOG_WARNING( "Attempted AutoScrolling on a non SINGLE_LINE_BOX, request ignored\n" ); + mImpl->mIsAutoScrollEnabled = false; } } -void Controller::SetTextColor( const Vector4& textColor ) +bool Controller::IsAutoScrollEnabled() const { - mImpl->mVisualModel->SetTextColor( textColor ); -} + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::IsAutoScrollEnabled[%s]\n", mImpl->mIsAutoScrollEnabled?"true":"false" ); -const Vector4& Controller::GetTextColor() const -{ - return mImpl->mVisualModel->GetTextColor(); + return mImpl->mIsAutoScrollEnabled; } -void Controller::SetShadowOffset( const Vector2& shadowOffset ) +CharacterDirection Controller::GetAutoScrollDirection() const { - mImpl->mVisualModel->SetShadowOffset( shadowOffset ); + return mImpl->mAutoScrollDirectionRTL; } -const Vector2& Controller::GetShadowOffset() const +float Controller::GetAutoScrollLineAlignment() const { - return mImpl->mVisualModel->GetShadowOffset(); -} + float offset = 0.f; -void Controller::SetShadowColor( const Vector4& shadowColor ) -{ - mImpl->mVisualModel->SetShadowColor( shadowColor ); + if( mImpl->mVisualModel && + ( 0u != mImpl->mVisualModel->mLines.Count() ) ) + { + offset = ( *mImpl->mVisualModel->mLines.Begin() ).alignmentOffset; + } + + return offset; } -const Vector4& Controller::GetShadowColor() const +void Controller::SetHorizontalScrollEnabled( bool enable ) { - return mImpl->mVisualModel->GetShadowColor(); + if( ( NULL != mImpl->mEventData ) && + mImpl->mEventData->mDecorator ) + { + mImpl->mEventData->mDecorator->SetHorizontalScrollEnabled( enable ); + } } -void Controller::SetUnderlineColor( const Vector4& color ) +bool Controller::IsHorizontalScrollEnabled() const { - mImpl->mVisualModel->SetUnderlineColor( color ); + if( ( NULL != mImpl->mEventData ) && + mImpl->mEventData->mDecorator ) + { + return mImpl->mEventData->mDecorator->IsHorizontalScrollEnabled(); + } + + return false; } -const Vector4& Controller::GetUnderlineColor() const +void Controller::SetVerticalScrollEnabled( bool enable ) { - return mImpl->mVisualModel->GetUnderlineColor(); + if( ( NULL != mImpl->mEventData ) && + mImpl->mEventData->mDecorator ) + { + if( mImpl->mEventData->mDecorator ) + { + mImpl->mEventData->mDecorator->SetVerticalScrollEnabled( enable ); + } + } } -void Controller::SetUnderlineEnabled( bool enabled ) +bool Controller::IsVerticalScrollEnabled() const { - mImpl->mVisualModel->SetUnderlineEnabled( enabled ); + if( ( NULL != mImpl->mEventData ) && + mImpl->mEventData->mDecorator ) + { + return mImpl->mEventData->mDecorator->IsVerticalScrollEnabled(); + } + + return false; } -bool Controller::IsUnderlineEnabled() const +void Controller::SetSmoothHandlePanEnabled( bool enable ) { - return mImpl->mVisualModel->IsUnderlineEnabled(); + if( ( NULL != mImpl->mEventData ) && + mImpl->mEventData->mDecorator ) + { + mImpl->mEventData->mDecorator->SetSmoothHandlePanEnabled( enable ); + } } -void Controller::SetUnderlineHeight( float height ) +bool Controller::IsSmoothHandlePanEnabled() const { - mImpl->mVisualModel->SetUnderlineHeight( height ); + if( ( NULL != mImpl->mEventData ) && + mImpl->mEventData->mDecorator ) + { + return mImpl->mEventData->mDecorator->IsSmoothHandlePanEnabled(); + } + + return false; } -float Controller::GetUnderlineHeight() const +void Controller::SetMaximumNumberOfCharacters( Length maxCharacters ) { - return mImpl->mVisualModel->GetUnderlineHeight(); + mImpl->mMaximumNumberOfCharacters = maxCharacters; } -void Controller::EnableTextInput( DecoratorPtr decorator ) +int Controller::GetMaximumNumberOfCharacters() { - if( !mImpl->mEventData ) - { - mImpl->mEventData = new EventData( decorator ); - } + return mImpl->mMaximumNumberOfCharacters; } void Controller::SetEnableCursorBlink( bool enable ) { DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "TextInput disabled" ); - if( mImpl->mEventData ) + if( NULL != mImpl->mEventData ) { mImpl->mEventData->mCursorBlinkEnabled = enable; @@ -314,7 +302,7 @@ void Controller::SetEnableCursorBlink( bool enable ) bool Controller::GetEnableCursorBlink() const { - if( mImpl->mEventData ) + if( NULL != mImpl->mEventData ) { return mImpl->mEventData->mCursorBlinkEnabled; } @@ -322,854 +310,2731 @@ bool Controller::GetEnableCursorBlink() const return false; } -const Vector2& Controller::GetScrollPosition() const +void Controller::SetMultiLineEnabled( bool enable ) { - if( mImpl->mEventData ) + const LayoutEngine::Layout layout = enable ? LayoutEngine::MULTI_LINE_BOX : LayoutEngine::SINGLE_LINE_BOX; + + if( layout != mImpl->mLayoutEngine.GetLayout() ) { - return mImpl->mEventData->mScrollPosition; - } + // 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 ); - return Vector2::ZERO; + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | layoutOperations ); + + mImpl->RequestRelayout(); + } } -const Vector2& Controller::GetAlignmentOffset() const +bool Controller::IsMultiLineEnabled() const { - return mImpl->mAlignmentOffset; + return LayoutEngine::MULTI_LINE_BOX == mImpl->mLayoutEngine.GetLayout(); } -Vector3 Controller::GetNaturalSize() +void Controller::SetHorizontalAlignment( LayoutEngine::HorizontalAlignment alignment ) { - Vector3 naturalSize; - - // Make sure the model is up-to-date before layouting - ProcessModifyEvents(); - - if( mImpl->mRecalculateNaturalSize ) + if( alignment != mImpl->mLayoutEngine.GetHorizontalAlignment() ) { - // 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 - UpdateModel( onlyOnceOperations ); + // Set the alignment. + mImpl->mLayoutEngine.SetHorizontalAlignment( alignment ); - // Operations that need to be done if the size changes. - const OperationsMask sizeOperations = static_cast( LAYOUT | - ALIGN | - REORDER ); + // Set the flag to redo the alignment operation. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | ALIGN ); - DoRelayout( Size( MAX_FLOAT, MAX_FLOAT ), - static_cast( onlyOnceOperations | - sizeOperations ), - naturalSize.GetVectorXY() ); + mImpl->RequestRelayout(); + } +} - // Do not do again the only once operations. - mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending & ~onlyOnceOperations ); +LayoutEngine::HorizontalAlignment Controller::GetHorizontalAlignment() const +{ + return mImpl->mLayoutEngine.GetHorizontalAlignment(); +} - // Do the size related operations again. - mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | sizeOperations ); +void Controller::SetVerticalAlignment( LayoutEngine::VerticalAlignment alignment ) +{ + if( alignment != mImpl->mLayoutEngine.GetVerticalAlignment() ) + { + // Set the alignment. + mImpl->mLayoutEngine.SetVerticalAlignment( alignment ); - // Stores the natural size to avoid recalculate it again - // unless the text/style changes. - mImpl->mVisualModel->SetNaturalSize( naturalSize.GetVectorXY() ); + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | ALIGN ); - mImpl->mRecalculateNaturalSize = false; - } - else - { - naturalSize = mImpl->mVisualModel->GetNaturalSize(); + mImpl->RequestRelayout(); } - - return naturalSize; } -float Controller::GetHeightForWidth( float width ) +LayoutEngine::VerticalAlignment Controller::GetVerticalAlignment() const { - // Make sure the model is up-to-date before layouting - ProcessModifyEvents(); + return mImpl->mLayoutEngine.GetVerticalAlignment(); +} - Size layoutSize; - if( width != mImpl->mControlSize.width ) - { - // 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 - UpdateModel( onlyOnceOperations ); +// public : Update - // Operations that need to be done if the size changes. - const OperationsMask sizeOperations = static_cast( LAYOUT | - ALIGN | - REORDER ); +void Controller::SetText( const std::string& text ) +{ + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SetText\n" ); - DoRelayout( Size( width, MAX_FLOAT ), - static_cast( onlyOnceOperations | - sizeOperations ), - layoutSize ); + // Reset keyboard as text changed + mImpl->ResetImfManager(); - // Do not do again the only once operations. - mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending & ~onlyOnceOperations ); + // Remove the previously set text and style. + ResetText(); - // Do the size related operations again. - mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | sizeOperations ); - } - else - { - layoutSize = mImpl->mVisualModel->GetActualSize(); - } + // Remove the style. + ClearStyleData(); - return layoutSize.height; -} + CharacterIndex lastCursorIndex = 0u; -bool Controller::Relayout( const Size& size ) -{ - if( ( size.width < Math::MACHINE_EPSILON_1000 ) || ( size.height < Math::MACHINE_EPSILON_1000 ) ) + if( NULL != mImpl->mEventData ) { - bool glyphsRemoved( false ); - if( 0u != mImpl->mVisualModel->GetNumberOfGlyphPositions() ) + // If popup shown then hide it by switching to Editing state + if( ( EventData::SELECTING == mImpl->mEventData->mState ) || + ( EventData::EDITING_WITH_POPUP == mImpl->mEventData->mState ) || + ( EventData::EDITING_WITH_GRAB_HANDLE == mImpl->mEventData->mState ) || + ( EventData::EDITING_WITH_PASTE_POPUP == mImpl->mEventData->mState ) ) { - mImpl->mVisualModel->SetGlyphPositions( NULL, 0u ); - glyphsRemoved = true; + mImpl->ChangeState( EventData::EDITING ); } - // Not worth to relayout if width or height is equal to zero. - return glyphsRemoved; } - if( size != mImpl->mControlSize ) + if( !text.empty() ) { - // Operations that need to be done if the size changes. - mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | - LAYOUT | - ALIGN | - UPDATE_ACTUAL_SIZE | - REORDER ); + mImpl->mVisualModel->SetTextColor( mImpl->mTextColor ); - mImpl->mControlSize = size; - } + MarkupProcessData markupProcessData( mImpl->mLogicalModel->mColorRuns, + mImpl->mLogicalModel->mFontDescriptionRuns ); - // Make sure the model is up-to-date before layouting - ProcessModifyEvents(); - UpdateModel( mImpl->mOperationsPending ); + Length textSize = 0u; + const uint8_t* utf8 = NULL; + if( mImpl->mMarkupProcessorEnabled ) + { + ProcessMarkupString( text, markupProcessData ); + textSize = markupProcessData.markupProcessedText.size(); - Size layoutSize; - bool updated = DoRelayout( mImpl->mControlSize, - mImpl->mOperationsPending, - layoutSize ); + // This is a bit horrible but std::string returns a (signed) char* + utf8 = reinterpret_cast( markupProcessData.markupProcessedText.c_str() ); + } + else + { + textSize = text.size(); - // Do not re-do any operation until something changes. - mImpl->mOperationsPending = NO_OPERATION; + // This is a bit horrible but std::string returns a (signed) char* + utf8 = reinterpret_cast( text.c_str() ); + } - // After doing the text layout, the alignment offset to place the actor in the desired position can be calculated. - CalculateTextAlignment( size ); + // Convert text into UTF-32 + Vector& utf32Characters = mImpl->mLogicalModel->mText; + utf32Characters.Resize( textSize ); - if( mImpl->mEventData ) - { - // Move the cursor, grab handle etc. - updated = mImpl->ProcessInputEvents() || updated; - } + // Transform a text array encoded in utf8 into an array encoded in utf32. + // It returns the actual number of characters. + Length characterCount = Utf8ToUtf32( utf8, textSize, utf32Characters.Begin() ); + utf32Characters.Resize( characterCount ); - return updated; -} + 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() ); -void Controller::ProcessModifyEvents() -{ - std::vector& events = mImpl->mModifyEvents; + // The characters to be added. + mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mLogicalModel->mText.Count(); - for( unsigned int i=0; iQueueModifyEvent( ModifyEvent::TEXT_REPLACED ); + + // The natural size needs to be re-calculated. + mImpl->mRecalculateNaturalSize = true; + + // Apply modifications to the model + mImpl->mOperationsPending = ALL_OPERATIONS; + } + else + { + ShowPlaceholderText(); + } + + // Resets the cursor position. + ResetCursorPosition( lastCursorIndex ); + + // Scrolls the text to make the cursor visible. + ResetScrollPosition(); + + mImpl->RequestRelayout(); + + if( NULL != mImpl->mEventData ) + { + // Cancel previously queued events + mImpl->mEventData->mEventQueue.clear(); + } + + // 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() ) + { + // Retrieves the text string. + mImpl->GetText( 0u, text ); + } + else + { + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::GetText %p empty (but showing placeholder)\n", this ); + } +} + +void Controller::SetPlaceholderText( PlaceholderType type, const std::string& text ) +{ + if( NULL != mImpl->mEventData ) + { + if( PLACEHOLDER_TYPE_INACTIVE == type ) + { + mImpl->mEventData->mPlaceholderTextInactive = text; + } + else { - InsertTextEvent( events[0].text ); + mImpl->mEventData->mPlaceholderTextActive = text; } - else if( ModifyEvent::DELETE_TEXT == events[0].type ) + + // Update placeholder if there is no text + if( mImpl->IsShowingPlaceholderText() || + ( 0u == mImpl->mLogicalModel->mText.Count() ) ) { - DeleteTextEvent(); + ShowPlaceholderText(); } } +} - // Discard temporary text - events.clear(); +void Controller::GetPlaceholderText( PlaceholderType type, std::string& text ) const +{ + if( NULL != mImpl->mEventData ) + { + if( PLACEHOLDER_TYPE_INACTIVE == type ) + { + text = mImpl->mEventData->mPlaceholderTextInactive; + } + else + { + text = mImpl->mEventData->mPlaceholderTextActive; + } + } } -void Controller::ReplaceTextEvent( const std::string& text ) +void Controller::UpdateAfterFontChange( const std::string& newDefaultFont ) { - // Reset buffers. - mImpl->mLogicalModel->mText.Clear(); - 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->ClearCaches(); - - // Convert text into UTF-32 - Vector& utf32Characters = mImpl->mLogicalModel->mText; - 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. - Length characterCount = Utf8ToUtf32( utf8, text.size(), utf32Characters.Begin() ); - utf32Characters.Resize( characterCount ); + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::UpdateAfterFontChange\n"); - // Reset the cursor position - if( mImpl->mEventData ) + if( !mImpl->mFontDefaults->familyDefined ) // If user defined font then should not update when system font changes { - mImpl->mEventData->mPrimaryCursorPosition = characterCount; - // TODO - handle secondary cursor + DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::UpdateAfterFontChange newDefaultFont(%s)\n", newDefaultFont.c_str() ); + mImpl->mFontDefaults->mFontDescription.family = newDefaultFont; + + ClearFontData(); + + mImpl->RequestRelayout(); } +} - // The natural size needs to be re-calculated. - mImpl->mRecalculateNaturalSize = true; +// public : Default style & Input style - // Apply modifications to the model - mImpl->mOperationsPending = ALL_OPERATIONS; - UpdateModel( ALL_OPERATIONS ); - mImpl->mOperationsPending = static_cast( LAYOUT | - ALIGN | - UPDATE_ACTUAL_SIZE | - REORDER ); -} - -void Controller::InsertTextEvent( const std::string& text ) -{ - DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected InsertTextEvent" ); - - // TODO - Optimize this - 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->ClearCaches(); - - // Convert text into UTF-32 - Vector utf32Characters; - utf32Characters.Resize( text.size() ); +void Controller::SetDefaultFontFamily( const std::string& defaultFontFamily ) +{ + if( NULL == mImpl->mFontDefaults ) + { + mImpl->mFontDefaults = new FontDefaults(); + } + + mImpl->mFontDefaults->mFontDescription.family = defaultFontFamily; + DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetDefaultFontFamily %s\n", defaultFontFamily.c_str()); + mImpl->mFontDefaults->familyDefined = !defaultFontFamily.empty(); + + // Clear the font-specific data + ClearFontData(); - // This is a bit horrible but std::string returns a (signed) char* - const uint8_t* utf8 = reinterpret_cast( text.c_str() ); + mImpl->RequestRelayout(); +} - // Transform a text array encoded in utf8 into an array encoded in utf32. - // It returns the actual number of characters. - Length characterCount = Utf8ToUtf32( utf8, text.size(), utf32Characters.Begin() ); - utf32Characters.Resize( characterCount ); +const std::string& Controller::GetDefaultFontFamily() const +{ + if( NULL != mImpl->mFontDefaults ) + { + return mImpl->mFontDefaults->mFontDescription.family; + } - // Insert at current cursor position - Vector& modifyText = mImpl->mLogicalModel->mText; - CharacterIndex& cursorIndex = mImpl->mEventData->mPrimaryCursorPosition; + return EMPTY_STRING; +} - if( cursorIndex < modifyText.Count() ) +void Controller::SetDefaultFontWeight( FontWeight weight ) +{ + if( NULL == mImpl->mFontDefaults ) { - modifyText.Insert( modifyText.Begin() + cursorIndex, utf32Characters.Begin(), utf32Characters.End() ); + mImpl->mFontDefaults = new FontDefaults(); } - else + + 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; +} + +FontWeight Controller::GetDefaultFontWeight() const +{ + if( NULL != mImpl->mFontDefaults ) { - modifyText.Insert( modifyText.End(), utf32Characters.Begin(), utf32Characters.End() ); + return mImpl->mFontDefaults->mFontDescription.weight; } - // Advance the cursor position - ++cursorIndex; + return TextAbstraction::FontWeight::NORMAL; +} - // The natural size needs to be re-calculated. - mImpl->mRecalculateNaturalSize = true; +void Controller::SetDefaultFontWidth( FontWidth width ) +{ + if( NULL == mImpl->mFontDefaults ) + { + mImpl->mFontDefaults = new FontDefaults(); + } - // Apply modifications to the model; TODO - Optimize this - mImpl->mOperationsPending = ALL_OPERATIONS; - UpdateModel( ALL_OPERATIONS ); - mImpl->mOperationsPending = static_cast( LAYOUT | - ALIGN | - UPDATE_ACTUAL_SIZE | - REORDER ); + mImpl->mFontDefaults->mFontDescription.width = width; + mImpl->mFontDefaults->widthDefined = true; - // Queue a cursor reposition event; this must wait until after DoRelayout() - mImpl->mEventData->mUpdateCursorPosition = true; + // Clear the font-specific data + ClearFontData(); + + mImpl->RequestRelayout(); +} + +bool Controller::IsDefaultFontWidthDefined() const +{ + return mImpl->mFontDefaults->widthDefined; +} + +FontWidth Controller::GetDefaultFontWidth() const +{ + if( NULL != mImpl->mFontDefaults ) + { + return mImpl->mFontDefaults->mFontDescription.width; + } + + return TextAbstraction::FontWidth::NORMAL; } -void Controller::DeleteTextEvent() +void Controller::SetDefaultFontSlant( FontSlant slant ) { - DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected InsertTextEvent" ); + if( NULL == mImpl->mFontDefaults ) + { + mImpl->mFontDefaults = new FontDefaults(); + } + + mImpl->mFontDefaults->mFontDescription.slant = slant; + mImpl->mFontDefaults->slantDefined = true; - // TODO - Optimize this - 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->ClearCaches(); + // Clear the font-specific data + ClearFontData(); + + mImpl->RequestRelayout(); +} - // Delte at current cursor position - Vector& modifyText = mImpl->mLogicalModel->mText; - CharacterIndex& cursorIndex = mImpl->mEventData->mPrimaryCursorPosition; +bool Controller::IsDefaultFontSlantDefined() const +{ + return mImpl->mFontDefaults->slantDefined; +} - if( cursorIndex > 0 && - cursorIndex-1 < modifyText.Count() ) +FontSlant Controller::GetDefaultFontSlant() const +{ + if( NULL != mImpl->mFontDefaults ) { - modifyText.Remove( modifyText.Begin() + cursorIndex - 1 ); + return mImpl->mFontDefaults->mFontDescription.slant; + } - // Cursor position retreat - --cursorIndex; + return TextAbstraction::FontSlant::NORMAL; +} + +void Controller::SetDefaultPointSize( float pointSize ) +{ + if( NULL == mImpl->mFontDefaults ) + { + mImpl->mFontDefaults = new FontDefaults(); } - // The natural size needs to be re-calculated. - mImpl->mRecalculateNaturalSize = true; + mImpl->mFontDefaults->mDefaultPointSize = pointSize; + mImpl->mFontDefaults->sizeDefined = true; + + // Clear the font-specific data + ClearFontData(); + + mImpl->RequestRelayout(); +} + +float Controller::GetDefaultPointSize() const +{ + if( NULL != mImpl->mFontDefaults ) + { + return mImpl->mFontDefaults->mDefaultPointSize; + } + + return 0.0f; +} + +void Controller::SetTextColor( const Vector4& textColor ) +{ + mImpl->mTextColor = textColor; + + if( !mImpl->IsShowingPlaceholderText() ) + { + mImpl->mVisualModel->SetTextColor( textColor ); + + mImpl->RequestRelayout(); + } +} + +const Vector4& Controller::GetTextColor() const +{ + return mImpl->mTextColor; +} + +void Controller::SetPlaceholderTextColor( const Vector4& textColor ) +{ + if( NULL != mImpl->mEventData ) + { + mImpl->mEventData->mPlaceholderTextColor = textColor; + } + + if( mImpl->IsShowingPlaceholderText() ) + { + mImpl->mVisualModel->SetTextColor( textColor ); + mImpl->RequestRelayout(); + } +} + +const Vector4& Controller::GetPlaceholderTextColor() const +{ + if( NULL != mImpl->mEventData ) + { + return mImpl->mEventData->mPlaceholderTextColor; + } + + return Color::BLACK; +} + +void Controller::SetShadowOffset( const Vector2& shadowOffset ) +{ + mImpl->mVisualModel->SetShadowOffset( shadowOffset ); + + mImpl->RequestRelayout(); +} + +const Vector2& Controller::GetShadowOffset() const +{ + return mImpl->mVisualModel->GetShadowOffset(); +} + +void Controller::SetShadowColor( const Vector4& shadowColor ) +{ + mImpl->mVisualModel->SetShadowColor( shadowColor ); + + mImpl->RequestRelayout(); +} + +const Vector4& Controller::GetShadowColor() const +{ + return mImpl->mVisualModel->GetShadowColor(); +} + +void Controller::SetUnderlineColor( const Vector4& color ) +{ + mImpl->mVisualModel->SetUnderlineColor( color ); + + mImpl->RequestRelayout(); +} + +const Vector4& Controller::GetUnderlineColor() const +{ + return mImpl->mVisualModel->GetUnderlineColor(); +} + +void Controller::SetUnderlineEnabled( bool enabled ) +{ + mImpl->mVisualModel->SetUnderlineEnabled( enabled ); + + mImpl->RequestRelayout(); +} + +bool Controller::IsUnderlineEnabled() const +{ + return mImpl->mVisualModel->IsUnderlineEnabled(); +} + +void Controller::SetUnderlineHeight( float height ) +{ + mImpl->mVisualModel->SetUnderlineHeight( height ); + + mImpl->RequestRelayout(); +} + +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 ) + { + const bool handlesCrossed = mImpl->mEventData->mLeftSelectionPosition > mImpl->mEventData->mRightSelectionPosition; + + // Get start and end position of selection + const CharacterIndex startOfSelectedText = handlesCrossed ? mImpl->mEventData->mRightSelectionPosition : mImpl->mEventData->mLeftSelectionPosition; + const Length lengthOfSelectedText = ( handlesCrossed ? mImpl->mEventData->mLeftSelectionPosition : mImpl->mEventData->mRightSelectionPosition ) - startOfSelectedText; + + // Add the color run. + const VectorBase::SizeType numberOfRuns = mImpl->mLogicalModel->mColorRuns.Count(); + mImpl->mLogicalModel->mColorRuns.Resize( numberOfRuns + 1u ); + + ColorRun& colorRun = *( mImpl->mLogicalModel->mColorRuns.Begin() + numberOfRuns ); + colorRun.color = color; + colorRun.characterRun.characterIndex = startOfSelectedText; + colorRun.characterRun.numberOfCharacters = lengthOfSelectedText; + + // Request to relayout. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | COLOR ); + mImpl->RequestRelayout(); + + mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText; + mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText; + mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText; + } + } +} + +const Vector4& Controller::GetInputColor() const +{ + if( NULL != mImpl->mEventData ) + { + return mImpl->mEventData->mInputStyle.textColor; + } + + // Return the default text's color if there is no EventData. + return mImpl->mTextColor; + +} + +void Controller::SetInputFontFamily( const std::string& fontFamily ) +{ + if( NULL != mImpl->mEventData ) + { + mImpl->mEventData->mInputStyle.familyName = fontFamily; + mImpl->mEventData->mInputStyle.isFamilyDefined = true; + + if( EventData::SELECTING == mImpl->mEventData->mState ) + { + 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; + } + } +} + +const std::string& Controller::GetInputFontFamily() const +{ + if( NULL != mImpl->mEventData ) + { + return mImpl->mEventData->mInputStyle.familyName; + } + + // Return the default font's family if there is no EventData. + return GetDefaultFontFamily(); +} + +void Controller::SetInputFontWeight( FontWeight weight ) +{ + if( NULL != mImpl->mEventData ) + { + mImpl->mEventData->mInputStyle.weight = weight; + mImpl->mEventData->mInputStyle.isWeightDefined = true; + + if( EventData::SELECTING == mImpl->mEventData->mState ) + { + CharacterIndex startOfSelectedText = 0u; + Length lengthOfSelectedText = 0u; + FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData, + mImpl->mLogicalModel, + startOfSelectedText, + lengthOfSelectedText ); + + 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; + } + } +} + +bool Controller::IsInputFontWeightDefined() const +{ + bool defined = false; + + if( NULL != mImpl->mEventData ) + { + defined = mImpl->mEventData->mInputStyle.isWeightDefined; + } + + return defined; +} + +FontWeight Controller::GetInputFontWeight() const +{ + if( NULL != mImpl->mEventData ) + { + return mImpl->mEventData->mInputStyle.weight; + } + + return GetDefaultFontWeight(); +} + +void Controller::SetInputFontWidth( FontWidth width ) +{ + if( NULL != mImpl->mEventData ) + { + mImpl->mEventData->mInputStyle.width = width; + mImpl->mEventData->mInputStyle.isWidthDefined = true; + + if( EventData::SELECTING == mImpl->mEventData->mState ) + { + CharacterIndex startOfSelectedText = 0u; + Length lengthOfSelectedText = 0u; + FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData, + mImpl->mLogicalModel, + startOfSelectedText, + lengthOfSelectedText ); + + fontDescriptionRun.width = width; + fontDescriptionRun.widthDefined = 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; + } + } +} + +bool Controller::IsInputFontWidthDefined() const +{ + bool defined = false; + + if( NULL != mImpl->mEventData ) + { + defined = mImpl->mEventData->mInputStyle.isWidthDefined; + } + + return defined; +} + +FontWidth Controller::GetInputFontWidth() const +{ + if( NULL != mImpl->mEventData ) + { + return mImpl->mEventData->mInputStyle.width; + } + + return GetDefaultFontWidth(); +} + +void Controller::SetInputFontSlant( FontSlant slant ) +{ + if( NULL != mImpl->mEventData ) + { + mImpl->mEventData->mInputStyle.slant = slant; + mImpl->mEventData->mInputStyle.isSlantDefined = true; + + if( EventData::SELECTING == mImpl->mEventData->mState ) + { + CharacterIndex startOfSelectedText = 0u; + Length lengthOfSelectedText = 0u; + FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData, + mImpl->mLogicalModel, + startOfSelectedText, + lengthOfSelectedText ); + + fontDescriptionRun.slant = slant; + fontDescriptionRun.slantDefined = 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; + } + } +} + +bool Controller::IsInputFontSlantDefined() const +{ + bool defined = false; + + if( NULL != mImpl->mEventData ) + { + defined = mImpl->mEventData->mInputStyle.isSlantDefined; + } + + return defined; +} + +FontSlant Controller::GetInputFontSlant() const +{ + if( NULL != mImpl->mEventData ) + { + return mImpl->mEventData->mInputStyle.slant; + } + + return GetDefaultFontSlant(); +} + +void Controller::SetInputFontPointSize( float size ) +{ + if( NULL != mImpl->mEventData ) + { + mImpl->mEventData->mInputStyle.size = size; + mImpl->mEventData->mInputStyle.isSizeDefined = true; + + if( EventData::SELECTING == mImpl->mEventData->mState ) + { + CharacterIndex startOfSelectedText = 0u; + Length lengthOfSelectedText = 0u; + FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData, + mImpl->mLogicalModel, + startOfSelectedText, + lengthOfSelectedText ); + + fontDescriptionRun.size = static_cast( size * 64.f ); + fontDescriptionRun.sizeDefined = 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; + } + } +} + +float Controller::GetInputFontPointSize() const +{ + if( NULL != mImpl->mEventData ) + { + return mImpl->mEventData->mInputStyle.size; + } + + // Return the default font's point size if there is no EventData. + return GetDefaultPointSize(); +} + +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 ) + { + return mImpl->mEventData->mInputStyle.lineSpacing; + } + + return 0.f; +} + +void Controller::SetInputShadowProperties( const std::string& shadowProperties ) +{ + if( NULL != mImpl->mEventData ) + { + mImpl->mEventData->mInputStyle.shadowProperties = shadowProperties; + } +} + +const std::string& Controller::GetInputShadowProperties() const +{ + if( NULL != mImpl->mEventData ) + { + return mImpl->mEventData->mInputStyle.shadowProperties; + } + + return EMPTY_STRING; +} + +void Controller::SetInputUnderlineProperties( const std::string& underlineProperties ) +{ + if( NULL != mImpl->mEventData ) + { + mImpl->mEventData->mInputStyle.underlineProperties = underlineProperties; + } +} + +const std::string& Controller::GetInputUnderlineProperties() const +{ + if( NULL != mImpl->mEventData ) + { + return mImpl->mEventData->mInputStyle.underlineProperties; + } + + return EMPTY_STRING; +} + +void Controller::SetInputEmbossProperties( const std::string& embossProperties ) +{ + if( NULL != mImpl->mEventData ) + { + mImpl->mEventData->mInputStyle.embossProperties = embossProperties; + } +} + +const std::string& Controller::GetInputEmbossProperties() const +{ + if( NULL != mImpl->mEventData ) + { + return mImpl->mEventData->mInputStyle.embossProperties; + } + + return GetDefaultEmbossProperties(); +} + +void Controller::SetInputOutlineProperties( const std::string& outlineProperties ) +{ + if( NULL != mImpl->mEventData ) + { + mImpl->mEventData->mInputStyle.outlineProperties = outlineProperties; + } +} + +const std::string& Controller::GetInputOutlineProperties() const +{ + if( NULL != mImpl->mEventData ) + { + return mImpl->mEventData->mInputStyle.outlineProperties; + } + + return GetDefaultOutlineProperties(); +} + +// public : Queries & retrieves. + +LayoutEngine& Controller::GetLayoutEngine() +{ + return mImpl->mLayoutEngine; +} + +View& Controller::GetView() +{ + return mImpl->mView; +} + +const Vector2& Controller::GetScrollPosition() const +{ + return mImpl->mScrollPosition; +} + +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( mImpl->mRecalculateNaturalSize ) + { + // 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 ); + + // Layout the text for the new width. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | LAYOUT ); + + // Set the update info to relayout the whole text. + mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u; + mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mLogicalModel->mText.Count(); + + // Store the actual control's size to restore later. + const Size actualControlSize = mImpl->mVisualModel->mControlSize; + + DoRelayout( Size( MAX_FLOAT, MAX_FLOAT ), + static_cast( onlyOnceOperations | + LAYOUT ), + naturalSize.GetVectorXY() ); + + // Do not do again the only once operations. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending & ~onlyOnceOperations ); + + // Do the size related operations again. + const OperationsMask sizeOperations = static_cast( LAYOUT | + ALIGN | + REORDER ); + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | sizeOperations ); + + // Stores the natural size to avoid recalculate it again + // unless the text/style changes. + mImpl->mVisualModel->SetNaturalSize( naturalSize.GetVectorXY() ); + + mImpl->mRecalculateNaturalSize = false; + + // Clear the update info. This info will be set the next time the text is updated. + mImpl->mTextUpdateInfo.Clear(); + + // Restore the actual control's size. + mImpl->mVisualModel->mControlSize = actualControlSize; + + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize calculated %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z ); + } + else + { + naturalSize = mImpl->mVisualModel->GetNaturalSize(); + + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize cached %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z ); + } + + naturalSize.x = ConvertToEven( naturalSize.x ); + naturalSize.y = ConvertToEven( naturalSize.y ); + + return naturalSize; +} + +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(); + + 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 ); + + + // Layout the text for the new width. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | LAYOUT ); + + // Set the update info to relayout the whole text. + mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u; + mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mLogicalModel->mText.Count(); + + // Store the actual control's width. + const float actualControlWidth = mImpl->mVisualModel->mControlSize.width; + + DoRelayout( Size( width, MAX_FLOAT ), + static_cast( onlyOnceOperations | + LAYOUT ), + layoutSize ); + + // Do not do again the only once operations. + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending & ~onlyOnceOperations ); + + // Do the size related operations again. + const OperationsMask sizeOperations = static_cast( LAYOUT | + ALIGN | + REORDER ); + + mImpl->mOperationsPending = static_cast( mImpl->mOperationsPending | sizeOperations ); + + // Clear the update info. This info will be set the next time the text is updated. + mImpl->mTextUpdateInfo.Clear(); + + // Restore the actual control's width. + mImpl->mVisualModel->mControlSize.width = actualControlWidth; + + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth calculated %f\n", layoutSize.height ); + } + else + { + layoutSize = mImpl->mVisualModel->GetLayoutSize(); + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth cached %f\n", layoutSize.height ); + } + + return layoutSize.height; +} + +// public : Relayout. + +Controller::UpdateTextType Controller::Relayout( const Size& size ) +{ + 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 ) ) + { + if( 0u != mImpl->mVisualModel->mGlyphPositions.Count() ) + { + mImpl->mVisualModel->mGlyphPositions.Clear(); + updateTextType = MODEL_UPDATED; + } + + // Clear the update info. This info will be set the next time the text is updated. + mImpl->mTextUpdateInfo.Clear(); + + // Not worth to relayout if width or height is equal to zero. + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout (skipped)\n" ); + + return updateTextType; + } + + // Whether a new size has been set. + const bool newSize = ( size != mImpl->mVisualModel->mControlSize ); + + if( newSize ) + { + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "new size (previous size %f,%f)\n", mImpl->mVisualModel->mControlSize.width, mImpl->mVisualModel->mControlSize.height ); + + // 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; + } + + // 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 ); + } + + // Make sure the model is up-to-date before layouting. + ProcessModifyEvents(); + bool updated = mImpl->UpdateModel( mImpl->mOperationsPending ); + + // Layout the text. + Size layoutSize; + updated = DoRelayout( size, + mImpl->mOperationsPending, + layoutSize ) || updated; + + if( updated ) + { + updateTextType = MODEL_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; + + // Keep the current offset as it will be used to update the decorator's positions (if the size changes). + Vector2 offset; + if( newSize && isEditable ) + { + offset = mImpl->mScrollPosition; + } + + if( !isEditable || !IsMultiLineEnabled() ) + { + // After doing the text layout, the vertical offset to place the actor in the desired position can be calculated. + CalculateVerticalOffset( size ); + } + + if( isEditable ) + { + if( newSize ) + { + // 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 ); + } + + // Move the cursor, grab handle etc. + if( mImpl->ProcessInputEvents() ) + { + 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; +} + +void Controller::RequestRelayout() +{ + mImpl->RequestRelayout(); +} + +// public : Input style change signals. + +bool Controller::IsInputStyleChangedSignalsQueueEmpty() +{ + 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" ); + + if( NULL != mImpl->mEventData ) + { + if( ( EventData::INACTIVE == mImpl->mEventData->mState ) || + ( EventData::INTERRUPTED == mImpl->mEventData->mState ) ) + { + 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 + ShowPlaceholderText(); + } + + mImpl->RequestRelayout(); + } +} + +void Controller::KeyboardFocusLostEvent() +{ + DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusLostEvent" ); + + if( NULL != mImpl->mEventData ) + { + if( EventData::INTERRUPTED != mImpl->mEventData->mState ) + { + mImpl->ChangeState( EventData::INACTIVE ); + + if( !mImpl->IsShowingRealText() ) + { + // Revert to regular placeholder-text when not editing + ShowPlaceholderText(); + } + } + } + mImpl->RequestRelayout(); +} + +bool Controller::KeyEvent( const Dali::KeyEvent& keyEvent ) +{ + DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyEvent" ); + + bool textChanged( false ); + + if( ( NULL != mImpl->mEventData ) && + ( keyEvent.state == KeyEvent::Down ) ) + { + int keyCode = keyEvent.keyCode; + const std::string& keyString = keyEvent.keyPressed; + + // Pre-process to separate modifying events from non-modifying input events. + if( Dali::DALI_KEY_ESCAPE == keyCode ) + { + // Escape key is a special case which causes focus loss + KeyboardFocusLostEvent(); + } + else if( ( Dali::DALI_KEY_CURSOR_LEFT == keyCode ) || + ( Dali::DALI_KEY_CURSOR_RIGHT == keyCode ) || + ( Dali::DALI_KEY_CURSOR_UP == keyCode ) || + ( Dali::DALI_KEY_CURSOR_DOWN == keyCode ) ) + { + Event event( Event::CURSOR_KEY_EVENT ); + event.p1.mInt = keyCode; + mImpl->mEventData->mEventQueue.push_back( event ); + } + else if( Dali::DALI_KEY_BACKSPACE == keyCode ) + { + textChanged = BackspaceKeyEvent(); + } + else if( IsKey( keyEvent, Dali::DALI_KEY_POWER ) ) + { + mImpl->ChangeState( EventData::INTERRUPTED ); // State is not INACTIVE as expect to return to edit mode. + // Avoids calling the InsertText() method which can delete selected text + } + else if( IsKey( keyEvent, Dali::DALI_KEY_MENU ) || + IsKey( keyEvent, Dali::DALI_KEY_HOME ) ) + { + mImpl->ChangeState( EventData::INACTIVE ); + // Menu/Home key behaviour does not allow edit mode to resume like Power key + // Avoids calling the InsertText() method which can delete selected text + } + else if( Dali::DALI_KEY_SHIFT_LEFT == keyCode ) + { + // DALI_KEY_SHIFT_LEFT is the key code for the Left Shift. It's sent (by the imf?) when the predictive text is enabled + // and a character is typed after the type of a upper case latin character. + + // Do nothing. + } + else + { + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p keyString %s\n", this, keyString.c_str() ); + + // IMF manager is no longer handling key-events + mImpl->ClearPreEditFlag(); + + InsertText( keyString, COMMIT ); + textChanged = true; + } + + 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 && + ( NULL != mImpl->mEditableControlInterface ) ) + { + // Do this last since it provides callbacks into application code + mImpl->mEditableControlInterface->TextChanged(); + } + + return true; +} + +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 ); + EventData::State state( mImpl->mEventData->mState ); + bool relayoutNeeded( false ); // to avoid unnecessary relayouts when tapping an empty text-field + + 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. + } + + if( mImpl->IsShowingRealText() && ( EventData::INACTIVE != state ) ) + { + mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE ); + relayoutNeeded = true; + } + else + { + if( mImpl->IsShowingPlaceholderText() && !mImpl->IsFocusedPlaceholderAvailable() ) + { + // Hide placeholder text + ResetText(); + } + + if( EventData::INACTIVE == state ) + { + mImpl->ChangeState( EventData::EDITING ); + } + else if( !mImpl->IsClipboardEmpty() ) + { + mImpl->ChangeState( EventData::EDITING_WITH_POPUP ); + } + relayoutNeeded = true; + } + } + else if( 2u == tapCount ) + { + if( mImpl->mEventData->mSelectionEnabled && + mImpl->IsShowingRealText() ) + { + 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. + mImpl->ResetImfManager(); +} + +void Controller::PanEvent( Gesture::State state, const Vector2& displacement ) +{ + DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected PanEvent" ); + + if( NULL != mImpl->mEventData ) + { + Event event( Event::PAN_EVENT ); + event.p1.mInt = state; + event.p2.mFloat = displacement.x; + event.p3.mFloat = displacement.y; + mImpl->mEventData->mEventQueue.push_back( event ); + + mImpl->RequestRelayout(); + } +} + +void Controller::LongPressEvent( Gesture::State state, float x, float y ) +{ + DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected LongPressEvent" ); + + if( ( state == Gesture::Started ) && + ( NULL != mImpl->mEventData ) ) + { + if( !mImpl->IsShowingRealText() ) + { + Event event( Event::LONG_PRESS_EVENT ); + event.p1.mInt = state; + mImpl->mEventData->mEventQueue.push_back( event ); + mImpl->RequestRelayout(); + } + else + { + // The 1st long-press on inactive text-field is treated as tap + if( EventData::INACTIVE == mImpl->mEventData->mState ) + { + mImpl->ChangeState( EventData::EDITING ); + + Event event( Event::TAP_EVENT ); + event.p1.mUint = 1; + event.p2.mFloat = x; + event.p3.mFloat = y; + mImpl->mEventData->mEventQueue.push_back( event ); + + mImpl->RequestRelayout(); + } + else if( !mImpl->IsClipboardVisible() ) + { + // Reset the imf manger to commit the pre-edit before selecting the text. + mImpl->ResetImfManager(); + + SelectEvent( x, y, false ); + } + } + } +} + +ImfManager::ImfCallbackData Controller::OnImfEvent( ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent ) +{ + // Whether the text needs to be relaid-out. + bool requestRelayout = false; + + // Whether to retrieve the text and cursor position to be sent to the IMF manager. + bool retrieveText = false; + bool retrieveCursor = false; + + switch( imfEvent.eventName ) + { + 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( 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: + { + retrieveText = true; + retrieveCursor = true; + break; + } + case ImfManager::VOID: + { + // do nothing + break; + } + } // end switch + + if( requestRelayout ) + { + mImpl->mOperationsPending = ALL_OPERATIONS; + mImpl->RequestRelayout(); + } + + std::string text; + CharacterIndex cursorPosition = 0u; + Length numberOfWhiteSpaces = 0u; + + if( retrieveCursor ) + { + numberOfWhiteSpaces = mImpl->GetNumberOfWhiteSpaces( 0u ); + + cursorPosition = mImpl->GetLogicalCursorPosition(); + + if( cursorPosition < numberOfWhiteSpaces ) + { + 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; + + mImpl->mEventData->mEventQueue.push_back( event ); + break; + } + case LEFT_SELECTION_HANDLE: + { + Event event( Event::LEFT_SELECTION_HANDLE_EVENT ); + event.p1.mUint = state; + event.p2.mFloat = x; + event.p3.mFloat = y; + + mImpl->mEventData->mEventQueue.push_back( event ); + break; + } + case RIGHT_SELECTION_HANDLE: + { + Event event( Event::RIGHT_SELECTION_HANDLE_EVENT ); + event.p1.mUint = state; + event.p2.mFloat = x; + event.p3.mFloat = y; + + mImpl->mEventData->mEventQueue.push_back( event ); + break; + } + case LEFT_SELECTION_HANDLE_MARKER: + case RIGHT_SELECTION_HANDLE_MARKER: + { + // Markers do not move the handles. + break; + } + case HANDLE_TYPE_COUNT: + { + DALI_ASSERT_DEBUG( !"Controller::HandleEvent. Unexpected handle type" ); + } + } + + mImpl->RequestRelayout(); + } +} + +// 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() ); - // Apply modifications to the model; TODO - Optimize this - mImpl->mOperationsPending = ALL_OPERATIONS; - UpdateModel( ALL_OPERATIONS ); - mImpl->mOperationsPending = static_cast( LAYOUT | - ALIGN | - UPDATE_ACTUAL_SIZE | - REORDER ); + mImpl->ResetImfManager(); - // Queue a cursor reposition event; this must wait until after DoRelayout() - mImpl->mEventData->mUpdateCursorPosition = true; + if( NULL != mImpl->mEditableControlInterface ) + { + // Do this last since it provides callbacks into application code + mImpl->mEditableControlInterface->MaxLengthReached(); + } + } } -void Controller::UpdateModel( OperationsMask operationsRequired ) +void Controller::PasteText( const std::string& stringToPaste ) { - // Calculate the operations to be done. - const OperationsMask operations = static_cast( mImpl->mOperationsPending & operationsRequired ); - - Vector& utf32Characters = mImpl->mLogicalModel->mText; - - const Length numberOfCharacters = mImpl->mLogicalModel->GetNumberOfCharacters(); + InsertText( stringToPaste, Text::Controller::COMMIT ); + mImpl->ChangeState( EventData::EDITING ); + mImpl->RequestRelayout(); - Vector& lineBreakInfo = mImpl->mLogicalModel->mLineBreakInfo; - if( GET_LINE_BREAKS & operations ) + if( NULL != mImpl->mEditableControlInterface ) { - // Retrieves the line break info. The line break info is used to split the text in 'paragraphs' to - // calculate the bidirectional info for each 'paragraph'. - // It's also used to layout the text (where it should be a new line) or to shape the text (text in different lines - // is not shaped together). - lineBreakInfo.Resize( numberOfCharacters, TextAbstraction::LINE_NO_BREAK ); - - SetLineBreakInfo( utf32Characters, - lineBreakInfo ); + // Do this last since it provides callbacks into application code + mImpl->mEditableControlInterface->TextChanged(); } +} - Vector& wordBreakInfo = mImpl->mLogicalModel->mWordBreakInfo; - if( GET_WORD_BREAKS & operations ) - { - // Retrieves the word break info. The word break info is used to layout the text (where to wrap the text in lines). - wordBreakInfo.Resize( numberOfCharacters, TextAbstraction::WORD_NO_BREAK ); +bool Controller::RemoveText( int cursorOffset, + int numberOfCharacters, + UpdateInputStyleType type ) +{ + bool removed = false; - SetWordBreakInfo( utf32Characters, - wordBreakInfo ); + if( NULL == mImpl->mEventData ) + { + return removed; } - const bool getScripts = GET_SCRIPTS & operations; - const bool validateFonts = VALIDATE_FONTS & operations; - - Vector& scripts = mImpl->mLogicalModel->mScriptRuns; - Vector& validFonts = mImpl->mLogicalModel->mFontRuns; + 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( getScripts || validateFonts ) + if( !mImpl->IsShowingPlaceholderText() ) { - // Validates the fonts assigned by the application or assigns default ones. - // It makes sure all the characters are going to be rendered by the correct font. - MultilanguageSupport multilanguageSupport = MultilanguageSupport::Get(); + // Delete at current cursor position + Vector& currentText = mImpl->mLogicalModel->mText; + CharacterIndex& oldCursorIndex = mImpl->mEventData->mPrimaryCursorPosition; - if( getScripts ) + CharacterIndex cursorIndex = oldCursorIndex; + + // Validate the cursor position & number of characters + if( static_cast< CharacterIndex >( std::abs( cursorOffset ) ) <= cursorIndex ) { - // Retrieves the scripts used in the text. - multilanguageSupport.SetScripts( utf32Characters, - lineBreakInfo, - scripts ); + cursorIndex = oldCursorIndex + cursorOffset; } - if( validateFonts ) + if( ( cursorIndex + numberOfCharacters ) > currentText.Count() ) { - if( 0u == validFonts.Count() ) - { - // Copy the requested font defaults received via the property system. - // These may not be valid i.e. may not contain glyphs for the necessary scripts. - GetDefaultFonts( validFonts, numberOfCharacters ); - } - - // Validates the fonts. If there is a character with no assigned font it sets a default one. - // After this call, fonts are validated. - multilanguageSupport.ValidateFonts( utf32Characters, - scripts, - validFonts ); + numberOfCharacters = currentText.Count() - cursorIndex; } - } - Vector mirroredUtf32Characters; - bool textMirrored = false; - if( BIDI_INFO & operations ) - { - // Count the number of LINE_NO_BREAK to reserve some space for the vector of paragraph's - // bidirectional info. + 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; - Length numberOfParagraphs = 0u; + // Update the input style and remove the text's style before removing the text. - const TextAbstraction::LineBreakInfo* lineBreakInfoBuffer = lineBreakInfo.Begin(); - for( Length index = 0u; index < numberOfCharacters; ++index ) - { - if( TextAbstraction::LINE_NO_BREAK == *( lineBreakInfoBuffer + index ) ) + if( UPDATE_INPUT_STYLE == type ) { - ++numberOfParagraphs; - } - } + // Keep a copy of the current input style. + InputStyle currentInputStyle; + currentInputStyle.Copy( mImpl->mEventData->mInputStyle ); - Vector& bidirectionalInfo = mImpl->mLogicalModel->mBidirectionalParagraphInfo; - bidirectionalInfo.Reserve( numberOfParagraphs ); + // Set first the default input style. + mImpl->RetrieveDefaultInputStyle( mImpl->mEventData->mInputStyle ); - // Calculates the bidirectional info for the whole paragraph if it contains right to left scripts. - SetBidirectionalInfo( utf32Characters, - scripts, - lineBreakInfo, - bidirectionalInfo ); + // Update the input style. + mImpl->mLogicalModel->RetrieveStyle( cursorIndex, mImpl->mEventData->mInputStyle ); - if( 0u != bidirectionalInfo.Count() ) - { - // This paragraph has right to left text. Some characters may need to be mirrored. - // TODO: consider if the mirrored string can be stored as well. + // Compare if the input style has changed. + const bool hasInputStyleChanged = !currentInputStyle.Equal( mImpl->mEventData->mInputStyle ); - textMirrored = GetMirroredText( utf32Characters, mirroredUtf32Characters ); + if( hasInputStyleChanged ) + { + const InputStyle::Mask styleChangedMask = currentInputStyle.GetInputStyleChangeMask( mImpl->mEventData->mInputStyle ); + // Queue the input style changed signal. + mImpl->mEventData->mInputStyleChangedQueue.PushBack( styleChangedMask ); + } + } - // Only set the character directions if there is right to left characters. - Vector& directions = mImpl->mLogicalModel->mCharacterDirections; - directions.Resize( numberOfCharacters ); + // Updates the text style runs by removing characters. Runs with no characters are removed. + mImpl->mLogicalModel->UpdateTextStyleRuns( cursorIndex, -numberOfCharacters ); - GetCharactersDirection( bidirectionalInfo, - directions ); - } - else - { - // There is no right to left characters. Clear the directions vector. - mImpl->mLogicalModel->mCharacterDirections.Clear(); - } + // Remove the characters. + Vector::Iterator first = currentText.Begin() + cursorIndex; + Vector::Iterator last = first + numberOfCharacters; - } + currentText.Erase( first, last ); - Vector& glyphs = mImpl->mVisualModel->mGlyphs; - Vector& glyphsToCharactersMap = mImpl->mVisualModel->mGlyphsToCharacters; - Vector& charactersPerGlyph = mImpl->mVisualModel->mCharactersPerGlyph; - if( SHAPE_TEXT & operations ) - { - const Vector& textToShape = textMirrored ? mirroredUtf32Characters : utf32Characters; - // Shapes the text. - ShapeText( textToShape, - lineBreakInfo, - scripts, - validFonts, - glyphs, - glyphsToCharactersMap, - charactersPerGlyph ); + // Cursor position retreat + oldCursorIndex = cursorIndex; + + mImpl->mEventData->mScrollAfterDelete = true; - // Create the 'number of glyphs' per character and the glyph to character conversion tables. - mImpl->mVisualModel->CreateGlyphsPerCharacterTable( numberOfCharacters ); - mImpl->mVisualModel->CreateCharacterToGlyphTable( numberOfCharacters ); + DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p removed %d\n", this, numberOfCharacters ); + removed = true; + } } - const Length numberOfGlyphs = glyphs.Count(); + return removed; +} + +bool Controller::RemoveSelectedText() +{ + bool textRemoved( false ); - if( GET_GLYPH_METRICS & operations ) + if( EventData::SELECTING == mImpl->mEventData->mState ) { - mImpl->mFontClient.GetGlyphMetrics( glyphs.Begin(), numberOfGlyphs ); + 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 ); - if( LAYOUT & operations ) + 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. - Length numberOfGlyphs = mImpl->mVisualModel->GetNumberOfGlyphs(); + // 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(); - if( 0u == numberOfGlyphs ) + 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; } - Vector& lineBreakInfo = mImpl->mLogicalModel->mLineBreakInfo; - Vector& wordBreakInfo = mImpl->mLogicalModel->mWordBreakInfo; - Vector& characterDirection = mImpl->mLogicalModel->mCharacterDirections; - Vector& glyphs = mImpl->mVisualModel->mGlyphs; - Vector& glyphsToCharactersMap = mImpl->mVisualModel->mGlyphsToCharacters; - Vector& charactersPerGlyph = mImpl->mVisualModel->mCharactersPerGlyph; + 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, - mImpl->mLogicalModel->mText.Begin(), + textBuffer, lineBreakInfo.Begin(), wordBreakInfo.Begin(), ( 0u != characterDirection.Count() ) ? characterDirection.Begin() : NULL, - numberOfGlyphs, glyphs.Begin(), glyphsToCharactersMap.Begin(), - charactersPerGlyph.Begin() ); - - // 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; - - // Delete any previous laid out lines before setting the new ones. - lines.Clear(); - - // The capacity of the bidirectional paragraph info is the number of paragraphs. - lines.Reserve( mImpl->mLogicalModel->mBidirectionalParagraphInfo.Capacity() ); + 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( numberOfGlyphs ); + 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, - lines, - layoutSize ); + 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( REORDER & operations ) + 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->GetNumberOfLines(); + const Length numberOfLines = mImpl->mVisualModel->mLines.Count(); // Reorder the lines. - Vector lineBidirectionalInfoRuns; - lineBidirectionalInfoRuns.Reserve( numberOfLines ); // Reserve because is not known yet how many lines have right to left characters. + bidirectionalLineInfo.Reserve( numberOfLines ); // Reserve because is not known yet how many lines have right to left characters. ReorderLines( bidirectionalInfo, - lines, - lineBidirectionalInfoRuns ); - - // Set the bidirectional info into the model. - const Length numberOfBidirectionalInfoRuns = lineBidirectionalInfoRuns.Count(); - mImpl->mLogicalModel->SetVisualToLogicalMap( lineBidirectionalInfoRuns.Begin(), - numberOfBidirectionalInfoRuns ); + startIndex, + requestedNumberOfCharacters, + mImpl->mVisualModel->mLines, + bidirectionalLineInfo ); // Set the bidirectional info per line into the layout parameters. - layoutParameters.lineBidirectionalInfoRunsBuffer = lineBidirectionalInfoRuns.Begin(); - layoutParameters.numberOfBidirectionalInfoRuns = numberOfBidirectionalInfoRuns; - - // Get the character to glyph conversion table and set into the layout. - layoutParameters.charactersToGlyphsBuffer = mImpl->mVisualModel->mCharactersToGlyph.Begin(); - - // Get the glyphs per character table and set into the layout. - layoutParameters.glyphsPerCharacterBuffer = mImpl->mVisualModel->mGlyphsPerCharacter.Begin(); + 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 ); - // 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 ) + if ( ( NO_OPERATION != ( UPDATE_DIRECTION & operations ) ) && ( numberOfLines > 0 ) ) { - BidirectionalLineInfoRun& bidiLineInfo = *it; - - free( bidiLineInfo.visualToLogicalMap ); + const LineRun* const firstline = mImpl->mVisualModel->mLines.Begin(); + if ( firstline ) + { + mImpl->mAutoScrollDirectionRTL = firstline->direction; + } } } } // REORDER - if( ALIGN & operations ) + // Sets the layout size. + if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) ) { - mImpl->mLayoutEngine.Align( layoutParameters, - layoutSize, - lines, - glyphPositions ); - } - - // Sets the actual size. - if( UPDATE_ACTUAL_SIZE & operations ) - { - mImpl->mVisualModel->SetActualSize( layoutSize ); + mImpl->mVisualModel->SetLayoutSize( layoutSize ); } } // view updated + + // Store the size used to layout the text. + mImpl->mVisualModel->mControlSize = size; } - else + + if( NO_OPERATION != ( ALIGN & operations ) ) { - layoutSize = mImpl->mVisualModel->GetActualSize(); - } + // 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::CalculateTextAlignment( const Size& size ) +void Controller::CalculateVerticalOffset( const Size& controlSize ) { - // Get the direction of the first character. - const CharacterDirection firstParagraphDirection = mImpl->mLogicalModel->GetCharacterDirection( 0u ); - - const Size& actualSize = mImpl->mVisualModel->GetActualSize(); + Size layoutSize = mImpl->mVisualModel->GetLayoutSize(); - // 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 ) ) + if( fabsf( layoutSize.height ) < Math::MACHINE_EPSILON_1000 ) { - if( LayoutEngine::HORIZONTAL_ALIGN_BEGIN == horizontalAlignment ) - { - horizontalAlignment = LayoutEngine::HORIZONTAL_ALIGN_END; - } - else - { - horizontalAlignment = LayoutEngine::HORIZONTAL_ALIGN_BEGIN; - } + // Get the line height of the default font. + layoutSize.height = mImpl->GetDefaultFontLineHeight(); } - switch( horizontalAlignment ) + switch( mImpl->mLayoutEngine.GetVerticalAlignment() ) { - case LayoutEngine::HORIZONTAL_ALIGN_BEGIN: + case LayoutEngine::VERTICAL_ALIGN_TOP: { - mImpl->mAlignmentOffset.x = 0.f; + mImpl->mScrollPosition.y = 0.f; break; } - case LayoutEngine::HORIZONTAL_ALIGN_CENTER: + case LayoutEngine::VERTICAL_ALIGN_CENTER: { - const int intOffset = static_cast( 0.5f * ( size.width - actualSize.width ) ); // try to avoid pixel alignment. - mImpl->mAlignmentOffset.x = static_cast( intOffset ); + mImpl->mScrollPosition.y = floorf( 0.5f * ( controlSize.height - layoutSize.height ) ); // try to avoid pixel alignment. break; } - case LayoutEngine::HORIZONTAL_ALIGN_END: + case LayoutEngine::VERTICAL_ALIGN_BOTTOM: { - mImpl->mAlignmentOffset.x = size.width - actualSize.width; + mImpl->mScrollPosition.y = controlSize.height - layoutSize.height; break; } } +} + +// private : Events. + +void Controller::ProcessModifyEvents() +{ + Vector& events = mImpl->mModifyEvents; - const LayoutEngine::VerticalAlignment verticalAlignment = mImpl->mLayoutEngine.GetVerticalAlignment(); - switch( verticalAlignment ) + if( 0u == events.Count() ) { - case LayoutEngine::VERTICAL_ALIGN_TOP: + // Nothing to do. + return; + } + + for( Vector::ConstIterator it = events.Begin(), + endIt = events.End(); + it != endIt; + ++it ) + { + const ModifyEvent& event = *it; + + if( ModifyEvent::TEXT_REPLACED == event.type ) { - mImpl->mAlignmentOffset.y = 0.f; - 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 LayoutEngine::VERTICAL_ALIGN_CENTER: + else if( ModifyEvent::TEXT_INSERTED == event.type ) { - const int intOffset = static_cast( 0.5f * ( size.height - actualSize.height ) ); // try to avoid pixel alignment. - mImpl->mAlignmentOffset.y = static_cast( intOffset ); - break; + TextInsertedEvent(); } - case LayoutEngine::VERTICAL_ALIGN_BOTTOM: + else if( ModifyEvent::TEXT_DELETED == event.type ) { - mImpl->mAlignmentOffset.y = size.height - actualSize.height; - break; + // Placeholder-text cannot be deleted + if( !mImpl->IsShowingPlaceholderText() ) + { + TextDeletedEvent(); + } } } + + if( NULL != mImpl->mEventData ) + { + // When the text is being modified, delay cursor blinking + mImpl->mEventData->mDecorator->DelayCursorBlink(); + } + + // Discard temporary text + events.Clear(); } -LayoutEngine& Controller::GetLayoutEngine() +void Controller::TextReplacedEvent() { - return mImpl->mLayoutEngine; + // The natural size needs to be re-calculated. + mImpl->mRecalculateNaturalSize = true; + + // Apply modifications to the model + mImpl->mOperationsPending = ALL_OPERATIONS; } -View& Controller::GetView() +void Controller::TextInsertedEvent() { - return mImpl->mView; + DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextInsertedEvent" ); + + if( NULL == mImpl->mEventData ) + { + return; + } + + // 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::KeyboardFocusGainEvent() +void Controller::TextDeletedEvent() { - DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusGainEvent" ); + DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextDeletedEvent" ); - if( mImpl->mEventData ) + if( NULL == mImpl->mEventData ) { - Event event( Event::KEYBOARD_FOCUS_GAIN_EVENT ); - mImpl->mEventData->mEventQueue.push_back( event ); - - mImpl->RequestRelayout(); + return; } + + // 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::KeyboardFocusLostEvent() +void Controller::SelectEvent( float x, float y, bool selectAll ) { - DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusLostEvent" ); + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SelectEvent\n" ); - if( mImpl->mEventData ) + if( NULL != mImpl->mEventData ) { - Event event( Event::KEYBOARD_FOCUS_LOST_EVENT ); - mImpl->mEventData->mEventQueue.push_back( event ); + 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::KeyEvent( const Dali::KeyEvent& keyEvent ) +bool Controller::BackspaceKeyEvent() { - DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyEvent" ); + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p DALI_KEY_BACKSPACE\n", this ); + + bool removed = false; - if( mImpl->mEventData && - keyEvent.state == KeyEvent::Down ) + if( NULL == mImpl->mEventData ) { - int keyCode = keyEvent.keyCode; - const std::string& keyString = keyEvent.keyPressed; + return removed; + } - // Pre-process to separate modifying events from non-modifying input events. - if( Dali::DALI_KEY_ESCAPE == keyCode ) + // IMF manager is no longer handling key-events + mImpl->ClearPreEditFlag(); + + if( EventData::SELECTING == mImpl->mEventData->mState ) + { + removed = RemoveSelectedText(); + } + else if( mImpl->mEventData->mPrimaryCursorPosition > 0 ) + { + // Remove the character before the current cursor position + removed = RemoveText( -1, + 1, + UPDATE_INPUT_STYLE ); + } + + if( removed ) + { + if( ( 0u != mImpl->mLogicalModel->mText.Count() ) || + !mImpl->IsPlaceholderAvailable() ) { - // Escape key is a special case which causes focus loss - KeyboardFocusLostEvent(); + mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED ); } - else if( Dali::DALI_KEY_CURSOR_LEFT == keyCode || - Dali::DALI_KEY_CURSOR_RIGHT == keyCode || - Dali::DALI_KEY_CURSOR_UP == keyCode || - Dali::DALI_KEY_CURSOR_DOWN == keyCode ) + else { - Event event( Event::CURSOR_KEY_EVENT ); - event.p1.mInt = keyCode; - mImpl->mEventData->mEventQueue.push_back( event ); + ShowPlaceholderText(); } - else if( Dali::DALI_KEY_BACKSPACE == keyCode ) + mImpl->mEventData->mUpdateCursorPosition = true; + mImpl->mEventData->mScrollAfterDelete = true; + } + + return removed; +} + +// private : Helpers. + +void Controller::ResetText() +{ + // Reset buffers. + mImpl->mLogicalModel->mText.Clear(); + + // 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() +{ + if( mImpl->IsPlaceholderAvailable() ) + { + DALI_ASSERT_DEBUG( mImpl->mEventData && "No placeholder text available" ); + + if( NULL == mImpl->mEventData ) + { + return; + } + + mImpl->mEventData->mIsShowingPlaceholderText = true; + + // Disable handles when showing place-holder text + mImpl->mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false ); + mImpl->mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false ); + mImpl->mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false ); + + const char* text( NULL ); + size_t size( 0 ); + + // TODO - Switch placeholder text styles when changing state + if( ( EventData::INACTIVE != mImpl->mEventData->mState ) && + ( 0u != mImpl->mEventData->mPlaceholderTextActive.c_str() ) ) { - // Queue a delete event - ModifyEvent event; - event.type = ModifyEvent::DELETE_TEXT; - mImpl->mModifyEvents.push_back( event ); + text = mImpl->mEventData->mPlaceholderTextActive.c_str(); + size = mImpl->mEventData->mPlaceholderTextActive.size(); } - else if( !keyString.empty() ) + else { - // Queue an insert event - ModifyEvent event; - event.type = ModifyEvent::INSERT_TEXT; - event.text = keyString; - mImpl->mModifyEvents.push_back( event ); + text = mImpl->mEventData->mPlaceholderTextInactive.c_str(); + size = mImpl->mEventData->mPlaceholderTextInactive.size(); } - mImpl->ChangeState( EventData::EDITING ); // todo Confirm this is the best place to change the state of + mImpl->mTextUpdateInfo.mCharacterIndex = 0u; + mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters; - mImpl->RequestRelayout(); - } + // Reset model for showing placeholder. + mImpl->mLogicalModel->mText.Clear(); + mImpl->mVisualModel->SetTextColor( mImpl->mEventData->mPlaceholderTextColor ); - return false; -} + // Convert text into UTF-32 + Vector& utf32Characters = mImpl->mLogicalModel->mText; + utf32Characters.Resize( size ); -void Controller::TapEvent( unsigned int tapCount, float x, float y ) -{ - DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected TapEvent" ); + // This is a bit horrible but std::string returns a (signed) char* + const uint8_t* utf8 = reinterpret_cast( text ); - if( mImpl->mEventData ) - { - Event event( Event::TAP_EVENT ); - event.p1.mUint = tapCount; - event.p2.mFloat = x; - event.p3.mFloat = y; - mImpl->mEventData->mEventQueue.push_back( event ); + // Transform a text array encoded in utf8 into an array encoded in utf32. + // It returns the actual number of characters. + const Length characterCount = Utf8ToUtf32( utf8, size, utf32Characters.Begin() ); + utf32Characters.Resize( characterCount ); - mImpl->RequestRelayout(); + // The characters to be added. + mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = characterCount; + + // Reset the cursor position + mImpl->mEventData->mPrimaryCursorPosition = 0; + + // The natural size needs to be re-calculated. + mImpl->mRecalculateNaturalSize = true; + + // Apply modifications to the model + mImpl->mOperationsPending = ALL_OPERATIONS; + + // Update the rest of the model during size negotiation + mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED ); } } -void Controller::PanEvent( Gesture::State state, const Vector2& displacement ) +void Controller::ClearFontData() { - DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected PanEvent" ); - - if( mImpl->mEventData ) + if( mImpl->mFontDefaults ) { - Event event( Event::PAN_EVENT ); - event.p1.mInt = state; - event.p2.mFloat = displacement.x; - event.p3.mFloat = displacement.y; - mImpl->mEventData->mEventQueue.push_back( event ); - - mImpl->RequestRelayout(); + 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::GrabHandleEvent( GrabHandleState state, float x, float y ) +void Controller::ClearStyleData() { - DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected GrabHandleEvent" ); + mImpl->mLogicalModel->mColorRuns.Clear(); + mImpl->mLogicalModel->ClearFontDescriptionRuns(); +} - if( mImpl->mEventData ) +void Controller::ResetCursorPosition( CharacterIndex cursorIndex ) +{ + // Reset the cursor position + if( NULL != mImpl->mEventData ) { - Event event( Event::GRAB_HANDLE_EVENT ); - event.p1.mUint = state; - event.p2.mFloat = x; - event.p3.mFloat = y; - - mImpl->mEventData->mEventQueue.push_back( event ); + mImpl->mEventData->mPrimaryCursorPosition = cursorIndex; - mImpl->RequestRelayout(); + // Update the cursor if it's in editing mode. + if( EventData::IsEditingState( mImpl->mEventData->mState ) ) + { + mImpl->mEventData->mUpdateCursorPosition = true; + } } } -Controller::~Controller() +void Controller::ResetScrollPosition() { - delete mImpl; + 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