X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Ftext%2Ftext-controller-impl.cpp;h=0cd6adb559de74dbf5ea62f4f373151b14193f7a;hp=b40dba58c8339ef4def0fdf9fc14fb1841d9a1b1;hb=f8abce594a03f5c11e363da5c13f54000496008a;hpb=3ef464ce8916c3714998c0e1ace1b6d4b5d090bc diff --git a/dali-toolkit/internal/text/text-controller-impl.cpp b/dali-toolkit/internal/text/text-controller-impl.cpp index b40dba5..0cd6adb 100644 --- a/dali-toolkit/internal/text/text-controller-impl.cpp +++ b/dali-toolkit/internal/text/text-controller-impl.cpp @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017 Samsung Electronics Co., Ltd. + * Copyright (c) 2020 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. @@ -19,11 +19,12 @@ #include // EXTERNAL INCLUDES -#include +#include #include #include // INTERNAL INCLUDES +#include #include #include #include @@ -32,8 +33,11 @@ #include #include #include +#include #include +using namespace Dali; + namespace { @@ -49,13 +53,57 @@ struct SelectionBoxInfo }; #if defined(DEBUG_ENABLED) - Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS"); +Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS"); #endif const float MAX_FLOAT = std::numeric_limits::max(); const float MIN_FLOAT = std::numeric_limits::min(); const Dali::Toolkit::Text::CharacterDirection LTR = false; ///< Left To Right direction +#define MAKE_SHADER(A)#A + +const char* VERTEX_SHADER_BACKGROUND = MAKE_SHADER( +attribute mediump vec2 aPosition; +attribute mediump vec4 aColor; +varying mediump vec4 vColor; +uniform highp mat4 uMvpMatrix; + +void main() +{ + mediump vec4 position = vec4( aPosition, 0.0, 1.0 ); + gl_Position = uMvpMatrix * position; + vColor = aColor; +} +); + +const char* FRAGMENT_SHADER_BACKGROUND = MAKE_SHADER( +varying mediump vec4 vColor; +uniform lowp vec4 uColor; + +void main() +{ + gl_FragColor = vColor * uColor; +} +); + +struct BackgroundVertex +{ + Vector2 mPosition; ///< Vertex posiiton + Vector4 mColor; ///< Vertex color +}; + +struct BackgroundMesh +{ + Vector< BackgroundVertex > mVertices; ///< container of vertices + Vector< unsigned short > mIndices; ///< container of indices +}; + +const Dali::Vector4 LIGHT_BLUE( 0.75f, 0.96f, 1.f, 1.f ); +const Dali::Vector4 BACKGROUND_SUB4( 0.58f, 0.87f, 0.96f, 1.f ); +const Dali::Vector4 BACKGROUND_SUB5( 0.83f, 0.94f, 0.98f, 1.f ); +const Dali::Vector4 BACKGROUND_SUB6( 1.f, 0.5f, 0.5f, 1.f ); +const Dali::Vector4 BACKGROUND_SUB7( 1.f, 0.8f, 0.8f, 1.f ); + } // namespace namespace Dali @@ -67,9 +115,9 @@ namespace Toolkit namespace Text { -EventData::EventData( DecoratorPtr decorator ) +EventData::EventData( DecoratorPtr decorator, InputMethodContext& inputMethodContext ) : mDecorator( decorator ), - mImfManager(), + mInputMethodContext( inputMethodContext ), mPlaceholderFont( NULL ), mPlaceholderTextActive(), mPlaceholderTextInactive(), @@ -106,12 +154,14 @@ EventData::EventData( DecoratorPtr decorator ) mAllTextSelected( false ), mUpdateInputStyle( false ), mPasswordInput( false ), + mCheckScrollAmount( false ), mIsPlaceholderPixelSize( false ), mIsPlaceholderElideEnabled( false ), mPlaceholderEllipsisFlag( false ), - mShiftSelectionFlag( true ) + mShiftSelectionFlag( true ), + mUpdateAlignment( false ), + mEditingEnabled( true ) { - mImfManager = ImfManager::Get(); } EventData::~EventData() @@ -172,6 +222,11 @@ bool Controller::Impl::ProcessInputEvents() OnSelectAllEvent(); break; } + case Event::SELECT_NONE: + { + OnSelectNoneEvent(); + break; + } } } } @@ -179,7 +234,7 @@ bool Controller::Impl::ProcessInputEvents() if( mEventData->mUpdateCursorPosition || mEventData->mUpdateHighlightBox ) { - NotifyImfManager(); + NotifyInputMethodContext(); } // The cursor must also be repositioned after inserts into the model @@ -328,9 +383,9 @@ bool Controller::Impl::ProcessInputEvents() return decoratorUpdated; } -void Controller::Impl::NotifyImfManager() +void Controller::Impl::NotifyInputMethodContext() { - if( mEventData && mEventData->mImfManager ) + if( mEventData && mEventData->mInputMethodContext ) { CharacterIndex cursorPosition = GetLogicalCursorPosition(); @@ -346,17 +401,17 @@ void Controller::Impl::NotifyImfManager() cursorPosition -= numberOfWhiteSpaces; } - mEventData->mImfManager.SetCursorPosition( cursorPosition ); - mEventData->mImfManager.NotifyCursorPosition(); + mEventData->mInputMethodContext.SetCursorPosition( cursorPosition ); + mEventData->mInputMethodContext.NotifyCursorPosition(); } } -void Controller::Impl::NotifyImfMultiLineStatus() +void Controller::Impl::NotifyInputMethodContextMultiLineStatus() { - if ( mEventData ) + if ( mEventData && mEventData->mInputMethodContext ) { Text::Layout::Engine::Type layout = mLayoutEngine.GetLayout(); - mEventData->mImfManager.NotifyTextInputMultiLine( layout == Text::Layout::Engine::MULTI_LINE_BOX ); + mEventData->mInputMethodContext.NotifyTextInputMultiLine( layout == Text::Layout::Engine::MULTI_LINE_BOX ); } } @@ -504,11 +559,6 @@ void Controller::Impl::ClearFullModelData( OperationsMask operations ) mModel->mLogicalModel->mParagraphInfo.Clear(); } - if( NO_OPERATION != ( GET_WORD_BREAKS & operations ) ) - { - mModel->mLogicalModel->mLineBreakInfo.Clear(); - } - if( NO_OPERATION != ( GET_SCRIPTS & operations ) ) { mModel->mLogicalModel->mScriptRuns.Clear(); @@ -562,6 +612,7 @@ void Controller::Impl::ClearFullModelData( OperationsMask operations ) if( NO_OPERATION != ( COLOR & operations ) ) { mModel->mVisualModel->mColorIndices.Clear(); + mModel->mVisualModel->mBackgroundColorIndices.Clear(); } } @@ -583,15 +634,6 @@ void Controller::Impl::ClearCharacterModelData( CharacterIndex startIndex, Chara mModel->mLogicalModel->mParagraphInfo ); } - if( NO_OPERATION != ( GET_WORD_BREAKS & operations ) ) - { - // Clear the word break info. - WordBreakInfo* wordBreakInfoBuffer = mModel->mLogicalModel->mWordBreakInfo.Begin(); - - mModel->mLogicalModel->mWordBreakInfo.Erase( wordBreakInfoBuffer + startIndex, - wordBreakInfoBuffer + endIndexPlusOne ); - } - if( NO_OPERATION != ( GET_SCRIPTS & operations ) ) { // Clear the scripts. @@ -754,6 +796,13 @@ void Controller::Impl::ClearGlyphModelData( CharacterIndex startIndex, Character mModel->mVisualModel->mColorIndices.Erase( colorIndexBuffer + mTextUpdateInfo.mStartGlyphIndex, colorIndexBuffer + endGlyphIndexPlusOne ); } + + if( 0u != mModel->mVisualModel->mBackgroundColorIndices.Count() ) + { + ColorIndex* backgroundColorIndexBuffer = mModel->mVisualModel->mBackgroundColorIndices.Begin(); + mModel->mVisualModel->mBackgroundColorIndices.Erase( backgroundColorIndexBuffer + mTextUpdateInfo.mStartGlyphIndex, + backgroundColorIndexBuffer + endGlyphIndexPlusOne ); + } } } @@ -814,7 +863,7 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired ) // Check whether the indices for updating the text is valid if ( numberOfCharacters > 0u && - ( mTextUpdateInfo.mParagraphCharacterIndex >= numberOfCharacters || + ( mTextUpdateInfo.mParagraphCharacterIndex > numberOfCharacters || mTextUpdateInfo.mRequestedNumberOfCharacters > numberOfCharacters ) ) { std::string currentText; @@ -876,19 +925,6 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired ) updated = true; } - Vector& wordBreakInfo = mModel->mLogicalModel->mWordBreakInfo; - if( NO_OPERATION != ( GET_WORD_BREAKS & operations ) ) - { - // Retrieves the word break info. The word break info is used to layout the text (where to wrap the text in lines). - wordBreakInfo.Resize( numberOfCharacters, TextAbstraction::WORD_NO_BREAK ); - - SetWordBreakInfo( utf32Characters, - startIndex, - requestedNumberOfCharacters, - wordBreakInfo ); - updated = true; - } - const bool getScripts = NO_OPERATION != ( GET_SCRIPTS & operations ); const bool validateFonts = NO_OPERATION != ( VALIDATE_FONTS & operations ); @@ -932,7 +968,15 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired ) { // Set the normal font and the placeholder font. defaultFontDescription = mFontDefaults->mFontDescription; - defaultPointSize = mFontDefaults->mDefaultPointSize * 64u; + + if( mTextFitEnabled ) + { + defaultPointSize = mFontDefaults->mFitPointSize * 64u; + } + else + { + defaultPointSize = mFontDefaults->mDefaultPointSize * 64u; + } } // Validates the fonts. If there is a character with no assigned font it sets a default one. @@ -963,7 +1007,9 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired ) lineBreakInfo, startIndex, requestedNumberOfCharacters, - bidirectionalInfo ); + bidirectionalInfo, + mModel->mMatchSystemLanguageDirection, + mLayoutDirection ); if( 0u != bidirectionalInfo.Count() ) { @@ -1042,6 +1088,136 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired ) updated = true; } + if( ( NULL != mEventData ) && + mEventData->mPreEditFlag && + ( 0u != mModel->mVisualModel->mCharactersToGlyph.Count() ) ) + { + Dali::InputMethodContext::PreEditAttributeDataContainer attrs; + mEventData->mInputMethodContext.GetPreeditStyle( attrs ); + Dali::InputMethodContext::PreeditStyle type = Dali::InputMethodContext::PreeditStyle::NONE; + + // Check the type of preedit and run it. + for( Dali::InputMethodContext::PreEditAttributeDataContainer::Iterator it = attrs.Begin(), endIt = attrs.End(); it != endIt; it++ ) + { + Dali::InputMethodContext::PreeditAttributeData attrData = *it; + DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::UpdateModel PreeditStyle type : %d start %d end %d \n", attrData.preeditType, attrData.startIndex, attrData.endIndex ); + type = attrData.preeditType; + + // Check the number of commit characters for the start position. + unsigned int numberOfCommit = mEventData->mPrimaryCursorPosition - mEventData->mPreEditLength; + Length numberOfIndices = attrData.endIndex - attrData.startIndex; + + switch( type ) + { + case Dali::InputMethodContext::PreeditStyle::UNDERLINE: + { + // Add the underline for the pre-edit text. + GlyphRun underlineRun; + underlineRun.glyphIndex = attrData.startIndex + numberOfCommit; + underlineRun.numberOfGlyphs = numberOfIndices; + mModel->mVisualModel->mUnderlineRuns.PushBack( underlineRun ); + break; + } + case Dali::InputMethodContext::PreeditStyle::REVERSE: + { + Vector4 textColor = mModel->mVisualModel->GetTextColor(); + ColorRun backgroundColorRun; + backgroundColorRun.characterRun.characterIndex = attrData.startIndex + numberOfCommit; + backgroundColorRun.characterRun.numberOfCharacters = numberOfIndices; + backgroundColorRun.color = textColor; + mModel->mLogicalModel->mBackgroundColorRuns.PushBack( backgroundColorRun ); + + Vector4 backgroundColor = mModel->mVisualModel->GetBackgroundColor(); + Vector colorRuns; + colorRuns.Resize( 1u ); + ColorRun& colorRun = *( colorRuns.Begin() ); + colorRun.color = backgroundColor; + colorRun.characterRun.characterIndex = attrData.startIndex + numberOfCommit; + colorRun.characterRun.numberOfCharacters = numberOfIndices; + + mModel->mLogicalModel->mColorRuns.PushBack( colorRun ); + break; + } + case Dali::InputMethodContext::PreeditStyle::HIGHLIGHT: + { + ColorRun backgroundColorRun; + backgroundColorRun.characterRun.characterIndex = attrData.startIndex + numberOfCommit; + backgroundColorRun.characterRun.numberOfCharacters = numberOfIndices; + backgroundColorRun.color = LIGHT_BLUE; + mModel->mLogicalModel->mBackgroundColorRuns.PushBack( backgroundColorRun ); + break; + } + case Dali::InputMethodContext::PreeditStyle::CUSTOM_PLATFORM_STYLE_1: + { + // CUSTOM_PLATFORM_STYLE_1 should be drawn with background and underline together. + ColorRun backgroundColorRun; + backgroundColorRun.characterRun.characterIndex = attrData.startIndex + numberOfCommit; + backgroundColorRun.characterRun.numberOfCharacters = numberOfIndices; + backgroundColorRun.color = BACKGROUND_SUB4; + mModel->mLogicalModel->mBackgroundColorRuns.PushBack( backgroundColorRun ); + + GlyphRun underlineRun; + underlineRun.glyphIndex = attrData.startIndex + numberOfCommit; + underlineRun.numberOfGlyphs = numberOfIndices; + mModel->mVisualModel->mUnderlineRuns.PushBack( underlineRun ); + break; + } + case Dali::InputMethodContext::PreeditStyle::CUSTOM_PLATFORM_STYLE_2: + { + // CUSTOM_PLATFORM_STYLE_2 should be drawn with background and underline together. + ColorRun backgroundColorRun; + backgroundColorRun.characterRun.characterIndex = attrData.startIndex + numberOfCommit; + backgroundColorRun.characterRun.numberOfCharacters = numberOfIndices; + backgroundColorRun.color = BACKGROUND_SUB5; + mModel->mLogicalModel->mBackgroundColorRuns.PushBack( backgroundColorRun ); + + GlyphRun underlineRun; + underlineRun.glyphIndex = attrData.startIndex + numberOfCommit; + underlineRun.numberOfGlyphs = numberOfIndices; + mModel->mVisualModel->mUnderlineRuns.PushBack( underlineRun ); + break; + } + case Dali::InputMethodContext::PreeditStyle::CUSTOM_PLATFORM_STYLE_3: + { + // CUSTOM_PLATFORM_STYLE_3 should be drawn with background and underline together. + ColorRun backgroundColorRun; + backgroundColorRun.characterRun.characterIndex = attrData.startIndex + numberOfCommit; + backgroundColorRun.characterRun.numberOfCharacters = numberOfIndices; + backgroundColorRun.color = BACKGROUND_SUB6; + mModel->mLogicalModel->mBackgroundColorRuns.PushBack( backgroundColorRun ); + + GlyphRun underlineRun; + underlineRun.glyphIndex = attrData.startIndex + numberOfCommit; + underlineRun.numberOfGlyphs = numberOfIndices; + mModel->mVisualModel->mUnderlineRuns.PushBack( underlineRun ); + break; + } + case Dali::InputMethodContext::PreeditStyle::CUSTOM_PLATFORM_STYLE_4: + { + // CUSTOM_PLATFORM_STYLE_4 should be drawn with background and underline together. + ColorRun backgroundColorRun; + backgroundColorRun.characterRun.characterIndex = attrData.startIndex + numberOfCommit; + backgroundColorRun.characterRun.numberOfCharacters = numberOfIndices; + backgroundColorRun.color = BACKGROUND_SUB7; + mModel->mLogicalModel->mBackgroundColorRuns.PushBack( backgroundColorRun ); + + GlyphRun underlineRun; + underlineRun.glyphIndex = attrData.startIndex + numberOfCommit; + underlineRun.numberOfGlyphs = numberOfIndices; + mModel->mVisualModel->mUnderlineRuns.PushBack( underlineRun ); + break; + } + case Dali::InputMethodContext::PreeditStyle::NONE: + default: + { + break; + } + } + } + attrs.Clear(); + updated = true; + } + if( NO_OPERATION != ( COLOR & operations ) ) { // Set the color runs in glyphs. @@ -1054,29 +1230,19 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired ) mModel->mVisualModel->mColors, mModel->mVisualModel->mColorIndices ); + // Set the background color runs in glyphs. + SetColorSegmentationInfo( mModel->mLogicalModel->mBackgroundColorRuns, + mModel->mVisualModel->mCharactersToGlyph, + mModel->mVisualModel->mGlyphsPerCharacter, + startIndex, + mTextUpdateInfo.mStartGlyphIndex, + requestedNumberOfCharacters, + mModel->mVisualModel->mBackgroundColors, + mModel->mVisualModel->mBackgroundColorIndices ); + updated = true; } - if( ( NULL != mEventData ) && - mEventData->mPreEditFlag && - ( 0u != mModel->mVisualModel->mCharactersToGlyph.Count() ) ) - { - // Add the underline for the pre-edit text. - const GlyphIndex* const charactersToGlyphBuffer = mModel->mVisualModel->mCharactersToGlyph.Begin(); - const Length* const glyphsPerCharacterBuffer = mModel->mVisualModel->mGlyphsPerCharacter.Begin(); - - const GlyphIndex glyphStart = *( charactersToGlyphBuffer + mEventData->mPreEditStartPosition ); - const CharacterIndex lastPreEditCharacter = mEventData->mPreEditStartPosition + ( ( mEventData->mPreEditLength > 0u ) ? mEventData->mPreEditLength - 1u : 0u ); - const Length numberOfGlyphsLastCharacter = *( glyphsPerCharacterBuffer + lastPreEditCharacter ); - const GlyphIndex glyphEnd = *( charactersToGlyphBuffer + lastPreEditCharacter ) + ( numberOfGlyphsLastCharacter > 1u ? numberOfGlyphsLastCharacter - 1u : 0u ); - - GlyphRun underlineRun; - underlineRun.glyphIndex = glyphStart; - underlineRun.numberOfGlyphs = 1u + glyphEnd - glyphStart; - - // TODO: At the moment the underline runs are only for pre-edit. - mModel->mVisualModel->mUnderlineRuns.PushBack( underlineRun ); - } // The estimated number of lines. Used to avoid reallocations when layouting. mTextUpdateInfo.mEstimatedNumberOfLines = std::max( mModel->mVisualModel->mLines.Count(), mModel->mLogicalModel->mParagraphInfo.Count() ); @@ -1175,685 +1341,104 @@ float Controller::Impl::GetDefaultFontLineHeight() void Controller::Impl::OnCursorKeyEvent( const Event& event ) { - if( NULL == mEventData || !IsShowingRealText() ) - { - // Nothing to do if there is no text input. - return; - } - - int keyCode = event.p1.mInt; - bool isShiftModifier = event.p2.mBool; - - CharacterIndex previousPrimaryCursorPosition = mEventData->mPrimaryCursorPosition; - - if( Dali::DALI_KEY_CURSOR_LEFT == keyCode ) - { - if( mEventData->mPrimaryCursorPosition > 0u ) - { - if ( !isShiftModifier && mEventData->mDecorator->IsHighlightVisible() ) - { - mEventData->mPrimaryCursorPosition = std::min(mEventData->mLeftSelectionPosition, mEventData->mRightSelectionPosition); - } - else - { - mEventData->mPrimaryCursorPosition = CalculateNewCursorIndex( mEventData->mPrimaryCursorPosition - 1u ); - } - } - } - else if( Dali::DALI_KEY_CURSOR_RIGHT == keyCode ) - { - if( mModel->mLogicalModel->mText.Count() > mEventData->mPrimaryCursorPosition ) - { - if ( !isShiftModifier && mEventData->mDecorator->IsHighlightVisible() ) - { - mEventData->mPrimaryCursorPosition = std::max(mEventData->mLeftSelectionPosition, mEventData->mRightSelectionPosition); - } - else - { - mEventData->mPrimaryCursorPosition = CalculateNewCursorIndex( mEventData->mPrimaryCursorPosition ); - } - } - } - else if( Dali::DALI_KEY_CURSOR_UP == keyCode && !isShiftModifier ) - { - // Ignore Shift-Up for text selection for now. - - // Get first the line index of the current cursor position index. - CharacterIndex characterIndex = 0u; - - if( mEventData->mPrimaryCursorPosition > 0u ) - { - characterIndex = mEventData->mPrimaryCursorPosition - 1u; - } - - const LineIndex lineIndex = mModel->mVisualModel->GetLineOfCharacter( characterIndex ); - const LineIndex previousLineIndex = ( lineIndex > 0 ? lineIndex - 1u : lineIndex ); - - // Retrieve the cursor position info. - CursorInfo cursorInfo; - GetCursorPosition( mEventData->mPrimaryCursorPosition, - cursorInfo ); - - // Get the line above. - const LineRun& line = *( mModel->mVisualModel->mLines.Begin() + previousLineIndex ); - - // Get the next hit 'y' point. - const float hitPointY = cursorInfo.lineOffset - 0.5f * ( line.ascender - line.descender ); - - // Use the cursor hook position 'x' and the next hit 'y' position to calculate the new cursor index. - bool matchedCharacter = false; - mEventData->mPrimaryCursorPosition = Text::GetClosestCursorIndex( mModel->mVisualModel, - mModel->mLogicalModel, - mMetrics, - mEventData->mCursorHookPositionX, - hitPointY, - CharacterHitTest::TAP, - matchedCharacter ); - } - else if( Dali::DALI_KEY_CURSOR_DOWN == keyCode && !isShiftModifier ) - { - // Ignore Shift-Down for text selection for now. - - // Get first the line index of the current cursor position index. - CharacterIndex characterIndex = 0u; - - if( mEventData->mPrimaryCursorPosition > 0u ) - { - characterIndex = mEventData->mPrimaryCursorPosition - 1u; - } - - const LineIndex lineIndex = mModel->mVisualModel->GetLineOfCharacter( characterIndex ); - - if( lineIndex + 1u < mModel->mVisualModel->mLines.Count() ) - { - // Retrieve the cursor position info. - CursorInfo cursorInfo; - GetCursorPosition( mEventData->mPrimaryCursorPosition, - cursorInfo ); - - // Get the line below. - const LineRun& line = *( mModel->mVisualModel->mLines.Begin() + lineIndex + 1u ); - - // Get the next hit 'y' point. - const float hitPointY = cursorInfo.lineOffset + cursorInfo.lineHeight + 0.5f * ( line.ascender - line.descender ); - - // Use the cursor hook position 'x' and the next hit 'y' position to calculate the new cursor index. - bool matchedCharacter = false; - mEventData->mPrimaryCursorPosition = Text::GetClosestCursorIndex( mModel->mVisualModel, - mModel->mLogicalModel, - mMetrics, - mEventData->mCursorHookPositionX, - hitPointY, - CharacterHitTest::TAP, - matchedCharacter ); - } - } - - if ( !isShiftModifier && mEventData->mState != EventData::SELECTING ) - { - // Update selection position after moving the cursor - mEventData->mLeftSelectionPosition = mEventData->mPrimaryCursorPosition; - mEventData->mRightSelectionPosition = mEventData->mPrimaryCursorPosition; - } - - if ( isShiftModifier && IsShowingRealText() && mEventData->mShiftSelectionFlag ) - { - // Handle text selection - bool selecting = false; - - if ( Dali::DALI_KEY_CURSOR_LEFT == keyCode || Dali::DALI_KEY_CURSOR_RIGHT == keyCode ) - { - // Shift-Left/Right to select the text - int cursorPositionDelta = mEventData->mPrimaryCursorPosition - previousPrimaryCursorPosition; - if ( cursorPositionDelta > 0 || mEventData->mRightSelectionPosition > 0u ) // Check the boundary - { - mEventData->mRightSelectionPosition += cursorPositionDelta; - } - selecting = true; - } - else if ( mEventData->mLeftSelectionPosition != mEventData->mRightSelectionPosition ) - { - // Show no grab handles and text highlight if Shift-Up/Down pressed but no selected text - selecting = true; - } - - if ( selecting ) - { - // Notify the cursor position to the imf manager. - if( mEventData->mImfManager ) - { - mEventData->mImfManager.SetCursorPosition( mEventData->mPrimaryCursorPosition ); - mEventData->mImfManager.NotifyCursorPosition(); - } - - ChangeState( EventData::SELECTING ); - - mEventData->mUpdateLeftSelectionPosition = true; - mEventData->mUpdateRightSelectionPosition = true; - mEventData->mUpdateGrabHandlePosition = true; - mEventData->mUpdateHighlightBox = true; - - // Hide the text selection popup if select the text using keyboard instead of moving grab handles - if( mEventData->mGrabHandlePopupEnabled ) - { - mEventData->mDecorator->SetPopupActive( false ); - } - } - } - else - { - // Handle normal cursor move - ChangeState( EventData::EDITING ); - mEventData->mUpdateCursorPosition = true; - } - - mEventData->mUpdateInputStyle = true; - mEventData->mScrollAfterUpdatePosition = true; + ControllerImplEventHandler::OnCursorKeyEvent(*this, event); } void Controller::Impl::OnTapEvent( const Event& event ) { - if( NULL != mEventData ) - { - const unsigned int tapCount = event.p1.mUint; - - if( 1u == tapCount ) - { - if( IsShowingRealText() ) - { - // Convert from control's coords to text's coords. - const float xPosition = event.p2.mFloat - mModel->mScrollPosition.x; - const float yPosition = event.p3.mFloat - mModel->mScrollPosition.y; - - // Keep the tap 'x' position. Used to move the cursor. - mEventData->mCursorHookPositionX = xPosition; - - // Whether to touch point hits on a glyph. - bool matchedCharacter = false; - mEventData->mPrimaryCursorPosition = Text::GetClosestCursorIndex( mModel->mVisualModel, - mModel->mLogicalModel, - mMetrics, - xPosition, - yPosition, - CharacterHitTest::TAP, - matchedCharacter ); - - // When the cursor position is changing, delay cursor blinking - mEventData->mDecorator->DelayCursorBlink(); - } - else - { - mEventData->mPrimaryCursorPosition = 0u; - } - - // Update selection position after tapping - mEventData->mLeftSelectionPosition = mEventData->mPrimaryCursorPosition; - mEventData->mRightSelectionPosition = mEventData->mPrimaryCursorPosition; - - mEventData->mUpdateCursorPosition = true; - mEventData->mUpdateGrabHandlePosition = true; - mEventData->mScrollAfterUpdatePosition = true; - mEventData->mUpdateInputStyle = true; - - // Notify the cursor position to the imf manager. - if( mEventData->mImfManager ) - { - mEventData->mImfManager.SetCursorPosition( mEventData->mPrimaryCursorPosition ); - mEventData->mImfManager.NotifyCursorPosition(); - } - } - else if( 2u == tapCount ) - { - if( mEventData->mSelectionEnabled ) - { - // Convert from control's coords to text's coords. - const float xPosition = event.p2.mFloat - mModel->mScrollPosition.x; - const float yPosition = event.p3.mFloat - mModel->mScrollPosition.y; - - // Calculates the logical position from the x,y coords. - RepositionSelectionHandles( xPosition, - yPosition, - mEventData->mDoubleTapAction ); - } - } - } + ControllerImplEventHandler::OnTapEvent(*this, event); } void Controller::Impl::OnPanEvent( const Event& event ) { - if( NULL == mEventData ) - { - // Nothing to do if there is no text input. - return; - } - - const bool isHorizontalScrollEnabled = mEventData->mDecorator->IsHorizontalScrollEnabled(); - const bool isVerticalScrollEnabled = mEventData->mDecorator->IsVerticalScrollEnabled(); - - if( !isHorizontalScrollEnabled && !isVerticalScrollEnabled ) - { - // Nothing to do if scrolling is not enabled. - return; - } - - const int state = event.p1.mInt; - - switch( state ) - { - case Gesture::Started: - { - // Will remove the cursor, handles or text's popup, ... - ChangeState( EventData::TEXT_PANNING ); - break; - } - case Gesture::Continuing: - { - const Vector2& layoutSize = mModel->mVisualModel->GetLayoutSize(); - const Vector2 currentScroll = mModel->mScrollPosition; - - if( isHorizontalScrollEnabled ) - { - const float displacementX = event.p2.mFloat; - mModel->mScrollPosition.x += displacementX; - - ClampHorizontalScroll( layoutSize ); - } - - if( isVerticalScrollEnabled ) - { - const float displacementY = event.p3.mFloat; - mModel->mScrollPosition.y += displacementY; + ControllerImplEventHandler::OnPanEvent(*this, event); +} - ClampVerticalScroll( layoutSize ); - } +void Controller::Impl::OnLongPressEvent( const Event& event ) +{ + ControllerImplEventHandler::OnLongPressEvent(*this, event); +} - mEventData->mDecorator->UpdatePositions( mModel->mScrollPosition - currentScroll ); - break; - } - case Gesture::Finished: - case Gesture::Cancelled: // FALLTHROUGH - { - // Will go back to the previous state to show the cursor, handles, the text's popup, ... - ChangeState( mEventData->mPreviousState ); - break; - } - default: - break; - } +void Controller::Impl::OnHandleEvent( const Event& event ) +{ + ControllerImplEventHandler::OnHandleEvent(*this, event); } -void Controller::Impl::OnLongPressEvent( const Event& event ) +void Controller::Impl::OnSelectEvent( const Event& event ) { - DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::OnLongPressEvent\n" ); + ControllerImplEventHandler::OnSelectEvent(*this, event); +} - if( !IsShowingRealText() && ( EventData::EDITING == mEventData->mState ) ) - { - ChangeState( EventData::EDITING_WITH_POPUP ); - mEventData->mDecoratorUpdated = true; - mEventData->mUpdateInputStyle = true; - } - else - { - if( mEventData->mSelectionEnabled ) - { - // Convert from control's coords to text's coords. - const float xPosition = event.p2.mFloat - mModel->mScrollPosition.x; - const float yPosition = event.p3.mFloat - mModel->mScrollPosition.y; +void Controller::Impl::OnSelectAllEvent() +{ + ControllerImplEventHandler::OnSelectAllEvent(*this); +} - // Calculates the logical position from the x,y coords. - RepositionSelectionHandles( xPosition, - yPosition, - mEventData->mLongPressAction ); - } - } +void Controller::Impl::OnSelectNoneEvent() +{ + ControllerImplEventHandler::OnSelectNoneEvent(*this); } -void Controller::Impl::OnHandleEvent( const Event& event ) +void Controller::Impl::SetTextSelectionRange(const uint32_t *pStart, const uint32_t *pEnd) { - if( NULL == mEventData ) + if( nullptr == mEventData ) { - // Nothing to do if there is no text input. + // Nothing to do if there is no text. return; } - const unsigned int state = event.p1.mUint; - const bool handleStopScrolling = ( HANDLE_STOP_SCROLLING == state ); - const bool isSmoothHandlePanEnabled = mEventData->mDecorator->IsSmoothHandlePanEnabled(); - - if( HANDLE_PRESSED == state ) + if( mEventData->mSelectionEnabled && (pStart || pEnd)) { - // Convert from decorator's coords to text's coords. - const float xPosition = event.p2.mFloat - mModel->mScrollPosition.x; - const float yPosition = event.p3.mFloat - mModel->mScrollPosition.y; - - // Need to calculate the handle's new position. - bool matchedCharacter = false; - const CharacterIndex handleNewPosition = Text::GetClosestCursorIndex( mModel->mVisualModel, - mModel->mLogicalModel, - mMetrics, - xPosition, - yPosition, - CharacterHitTest::SCROLL, - matchedCharacter ); + uint32_t length = static_cast(mModel->mLogicalModel->mText.Count()); - if( Event::GRAB_HANDLE_EVENT == event.type ) + if (pStart) { - ChangeState ( EventData::GRAB_HANDLE_PANNING ); - - if( handleNewPosition != mEventData->mPrimaryCursorPosition ) - { - // Updates the cursor position if the handle's new position is different than the current one. - mEventData->mUpdateCursorPosition = true; - // Does not update the grab handle position if the smooth panning is enabled. (The decorator does it smooth). - mEventData->mUpdateGrabHandlePosition = !isSmoothHandlePanEnabled; - mEventData->mPrimaryCursorPosition = handleNewPosition; - } - - // Updates the decorator if the soft handle panning is enabled. It triggers a relayout in the decorator and the new position of the handle is set. - mEventData->mDecoratorUpdated = isSmoothHandlePanEnabled; + mEventData->mLeftSelectionPosition = std::min(*pStart, length); } - else if( Event::LEFT_SELECTION_HANDLE_EVENT == event.type ) + if (pEnd) { - ChangeState ( EventData::SELECTION_HANDLE_PANNING ); - - if( ( handleNewPosition != mEventData->mLeftSelectionPosition ) && - ( handleNewPosition != mEventData->mRightSelectionPosition ) ) - { - // Updates the highlight box if the handle's new position is different than the current one. - mEventData->mUpdateHighlightBox = true; - // Does not update the selection handle position if the smooth panning is enabled. (The decorator does it smooth). - mEventData->mUpdateLeftSelectionPosition = !isSmoothHandlePanEnabled; - mEventData->mLeftSelectionPosition = handleNewPosition; - } - - // Updates the decorator if the soft handle panning is enabled. It triggers a relayout in the decorator and the new position of the handle is set. - mEventData->mDecoratorUpdated = isSmoothHandlePanEnabled; - - // Will define the order to scroll the text to match the handle position. - mEventData->mIsLeftHandleSelected = true; - mEventData->mIsRightHandleSelected = false; + mEventData->mRightSelectionPosition = std::min(*pEnd, length); } - else if( Event::RIGHT_SELECTION_HANDLE_EVENT == event.type ) - { - ChangeState ( EventData::SELECTION_HANDLE_PANNING ); - - if( ( handleNewPosition != mEventData->mRightSelectionPosition ) && - ( handleNewPosition != mEventData->mLeftSelectionPosition ) ) - { - // Updates the highlight box if the handle's new position is different than the current one. - mEventData->mUpdateHighlightBox = true; - // Does not update the selection handle position if the smooth panning is enabled. (The decorator does it smooth). - mEventData->mUpdateRightSelectionPosition = !isSmoothHandlePanEnabled; - mEventData->mRightSelectionPosition = handleNewPosition; - } - // Updates the decorator if the soft handle panning is enabled. It triggers a relayout in the decorator and the new position of the handle is set. - mEventData->mDecoratorUpdated = isSmoothHandlePanEnabled; - - // Will define the order to scroll the text to match the handle position. - mEventData->mIsLeftHandleSelected = false; - mEventData->mIsRightHandleSelected = true; - } - } // end ( HANDLE_PRESSED == state ) - else if( ( HANDLE_RELEASED == state ) || - handleStopScrolling ) - { - CharacterIndex handlePosition = 0u; - if( handleStopScrolling || isSmoothHandlePanEnabled ) - { - // Convert from decorator's coords to text's coords. - const float xPosition = event.p2.mFloat - mModel->mScrollPosition.x; - const float yPosition = event.p3.mFloat - mModel->mScrollPosition.y; - - bool matchedCharacter = false; - handlePosition = Text::GetClosestCursorIndex( mModel->mVisualModel, - mModel->mLogicalModel, - mMetrics, - xPosition, - yPosition, - CharacterHitTest::SCROLL, - matchedCharacter ); - } - - if( Event::GRAB_HANDLE_EVENT == event.type ) + if (mEventData->mLeftSelectionPosition == mEventData->mRightSelectionPosition) { + ChangeState( EventData::EDITING ); + mEventData->mPrimaryCursorPosition = mEventData->mLeftSelectionPosition = mEventData->mRightSelectionPosition; mEventData->mUpdateCursorPosition = true; - mEventData->mUpdateGrabHandlePosition = true; - mEventData->mUpdateInputStyle = true; - - if( !IsClipboardEmpty() ) - { - ChangeState( EventData::EDITING_WITH_PASTE_POPUP ); // Moving grabhandle will show Paste Popup - } - - if( handleStopScrolling || isSmoothHandlePanEnabled ) - { - mEventData->mScrollAfterUpdatePosition = true; - mEventData->mPrimaryCursorPosition = handlePosition; - } } - else if( Event::LEFT_SELECTION_HANDLE_EVENT == event.type ) + else { ChangeState( EventData::SELECTING ); - mEventData->mUpdateHighlightBox = true; mEventData->mUpdateLeftSelectionPosition = true; mEventData->mUpdateRightSelectionPosition = true; - - if( handleStopScrolling || isSmoothHandlePanEnabled ) - { - mEventData->mScrollAfterUpdatePosition = true; - - if( ( handlePosition != mEventData->mRightSelectionPosition ) && - ( handlePosition != mEventData->mLeftSelectionPosition ) ) - { - mEventData->mLeftSelectionPosition = handlePosition; - } - } - } - else if( Event::RIGHT_SELECTION_HANDLE_EVENT == event.type ) - { - ChangeState( EventData::SELECTING ); - - mEventData->mUpdateHighlightBox = true; - mEventData->mUpdateRightSelectionPosition = true; - mEventData->mUpdateLeftSelectionPosition = true; - - if( handleStopScrolling || isSmoothHandlePanEnabled ) - { - mEventData->mScrollAfterUpdatePosition = true; - if( ( handlePosition != mEventData->mRightSelectionPosition ) && - ( handlePosition != mEventData->mLeftSelectionPosition ) ) - { - mEventData->mRightSelectionPosition = handlePosition; - } - } - } - - mEventData->mDecoratorUpdated = true; - } // end ( ( HANDLE_RELEASED == state ) || ( HANDLE_STOP_SCROLLING == state ) ) - else if( HANDLE_SCROLLING == state ) - { - const float xSpeed = event.p2.mFloat; - const float ySpeed = event.p3.mFloat; - const Vector2& layoutSize = mModel->mVisualModel->GetLayoutSize(); - const Vector2 currentScrollPosition = mModel->mScrollPosition; - - mModel->mScrollPosition.x += xSpeed; - mModel->mScrollPosition.y += ySpeed; - - ClampHorizontalScroll( layoutSize ); - ClampVerticalScroll( layoutSize ); - - bool endOfScroll = false; - if( Vector2::ZERO == ( currentScrollPosition - mModel->mScrollPosition ) ) - { - // Notify the decorator there is no more text to scroll. - // The decorator won't send more scroll events. - mEventData->mDecorator->NotifyEndOfScroll(); - // Still need to set the position of the handle. - endOfScroll = true; - } - - // Set the position of the handle. - const bool scrollRightDirection = xSpeed > 0.f; - const bool scrollBottomDirection = ySpeed > 0.f; - const bool leftSelectionHandleEvent = Event::LEFT_SELECTION_HANDLE_EVENT == event.type; - const bool rightSelectionHandleEvent = Event::RIGHT_SELECTION_HANDLE_EVENT == event.type; - - if( Event::GRAB_HANDLE_EVENT == event.type ) - { - ChangeState( EventData::GRAB_HANDLE_PANNING ); - - // Get the grab handle position in decorator coords. - Vector2 position = mEventData->mDecorator->GetPosition( GRAB_HANDLE ); - - if( mEventData->mDecorator->IsHorizontalScrollEnabled() ) - { - // Position the grag handle close to either the left or right edge. - position.x = scrollRightDirection ? 0.f : mModel->mVisualModel->mControlSize.width; - } - - if( mEventData->mDecorator->IsVerticalScrollEnabled() ) - { - position.x = mEventData->mCursorHookPositionX; - - // Position the grag handle close to either the top or bottom edge. - position.y = scrollBottomDirection ? 0.f : mModel->mVisualModel->mControlSize.height; - } - - // Get the new handle position. - // The grab handle's position is in decorator's coords. Need to transforms to text's coords. - bool matchedCharacter = false; - const CharacterIndex handlePosition = Text::GetClosestCursorIndex( mModel->mVisualModel, - mModel->mLogicalModel, - mMetrics, - position.x - mModel->mScrollPosition.x, - position.y - mModel->mScrollPosition.y, - CharacterHitTest::SCROLL, - matchedCharacter ); - - if( mEventData->mPrimaryCursorPosition != handlePosition ) - { - mEventData->mUpdateCursorPosition = true; - mEventData->mUpdateGrabHandlePosition = !isSmoothHandlePanEnabled; - mEventData->mScrollAfterUpdatePosition = true; - mEventData->mPrimaryCursorPosition = handlePosition; - } - mEventData->mUpdateInputStyle = mEventData->mUpdateCursorPosition; - - // Updates the decorator if the soft handle panning is enabled. - mEventData->mDecoratorUpdated = isSmoothHandlePanEnabled; } - else if( leftSelectionHandleEvent || rightSelectionHandleEvent ) - { - ChangeState( EventData::SELECTION_HANDLE_PANNING ); - - // Get the selection handle position in decorator coords. - Vector2 position = mEventData->mDecorator->GetPosition( leftSelectionHandleEvent ? Text::LEFT_SELECTION_HANDLE : Text::RIGHT_SELECTION_HANDLE ); - - if( mEventData->mDecorator->IsHorizontalScrollEnabled() ) - { - // Position the selection handle close to either the left or right edge. - position.x = scrollRightDirection ? 0.f : mModel->mVisualModel->mControlSize.width; - } - - if( mEventData->mDecorator->IsVerticalScrollEnabled() ) - { - position.x = mEventData->mCursorHookPositionX; - - // Position the grag handle close to either the top or bottom edge. - position.y = scrollBottomDirection ? 0.f : mModel->mVisualModel->mControlSize.height; - } - - // Get the new handle position. - // The selection handle's position is in decorator's coords. Need to transform to text's coords. - bool matchedCharacter = false; - const CharacterIndex handlePosition = Text::GetClosestCursorIndex( mModel->mVisualModel, - mModel->mLogicalModel, - mMetrics, - position.x - mModel->mScrollPosition.x, - position.y - mModel->mScrollPosition.y, - CharacterHitTest::SCROLL, - matchedCharacter ); - - if( leftSelectionHandleEvent ) - { - const bool differentHandles = ( mEventData->mLeftSelectionPosition != handlePosition ) && ( mEventData->mRightSelectionPosition != handlePosition ); - - if( differentHandles || endOfScroll ) - { - mEventData->mUpdateHighlightBox = true; - mEventData->mUpdateLeftSelectionPosition = !isSmoothHandlePanEnabled; - mEventData->mUpdateRightSelectionPosition = isSmoothHandlePanEnabled; - mEventData->mLeftSelectionPosition = handlePosition; - } - } - else - { - const bool differentHandles = ( mEventData->mRightSelectionPosition != handlePosition ) && ( mEventData->mLeftSelectionPosition != handlePosition ); - if( differentHandles || endOfScroll ) - { - mEventData->mUpdateHighlightBox = true; - mEventData->mUpdateRightSelectionPosition = !isSmoothHandlePanEnabled; - mEventData->mUpdateLeftSelectionPosition = isSmoothHandlePanEnabled; - mEventData->mRightSelectionPosition = handlePosition; - } - } - - if( mEventData->mUpdateLeftSelectionPosition || mEventData->mUpdateRightSelectionPosition ) - { - RepositionSelectionHandles(); - - mEventData->mScrollAfterUpdatePosition = !isSmoothHandlePanEnabled; - } - } - mEventData->mDecoratorUpdated = true; - } // end ( HANDLE_SCROLLING == state ) + } } -void Controller::Impl::OnSelectEvent( const Event& event ) +Uint32Pair Controller::Impl::GetTextSelectionRange() const { - if( NULL == mEventData ) - { - // Nothing to do if there is no text. - return; - } + Uint32Pair range; - if( mEventData->mSelectionEnabled ) + if( mEventData ) { - // Convert from control's coords to text's coords. - const float xPosition = event.p2.mFloat - mModel->mScrollPosition.x; - const float yPosition = event.p3.mFloat - mModel->mScrollPosition.y; - - // Calculates the logical position from the x,y coords. - RepositionSelectionHandles( xPosition, - yPosition, - Controller::NoTextTap::HIGHLIGHT ); + range.first = mEventData->mLeftSelectionPosition; + range.second = mEventData->mRightSelectionPosition; } + + return range; } -void Controller::Impl::OnSelectAllEvent() +bool Controller::Impl::IsEditable() const { - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "OnSelectAllEvent mEventData->mSelectionEnabled%s \n", mEventData->mSelectionEnabled?"true":"false"); - - if( NULL == mEventData ) - { - // Nothing to do if there is no text. - return; - } + return mEventData && mEventData->mEditingEnabled; +} - if( mEventData->mSelectionEnabled ) +void Controller::Impl::SetEditable( bool editable ) +{ + if( mEventData) { - ChangeState( EventData::SELECTING ); - - mEventData->mLeftSelectionPosition = 0u; - mEventData->mRightSelectionPosition = mModel->mLogicalModel->mText.Count(); - - mEventData->mScrollAfterUpdatePosition = true; - mEventData->mUpdateLeftSelectionPosition = true; - mEventData->mUpdateRightSelectionPosition = true; - mEventData->mUpdateHighlightBox = true; + mEventData->mEditingEnabled = editable; } } @@ -2417,8 +2002,8 @@ void Controller::Impl::RepositionSelectionHandles( float visualX, float visualY, mEventData->mUpdateRightSelectionPosition = true; mEventData->mUpdateHighlightBox = true; - // It may happen an IMF commit event arrives before the selection event - // if the IMF manager is in pre-edit state. The commit event will set the + // It may happen an InputMethodContext commit event arrives before the selection event + // if the InputMethodContext is in pre-edit state. The commit event will set the // mEventData->mUpdateCursorPosition flag to true. If it's not set back // to false, the highlight box won't be updated. mEventData->mUpdateCursorPosition = false; @@ -2462,15 +2047,23 @@ void Controller::Impl::SetPopupButtons() * If EDITING_WITH_POPUP : SELECT & SELECT_ALL */ + bool isEditable = IsEditable(); TextSelectionPopup::Buttons buttonsToShow = TextSelectionPopup::NONE; if( EventData::SELECTING == mEventData->mState ) { - buttonsToShow = TextSelectionPopup::Buttons( TextSelectionPopup::CUT | TextSelectionPopup::COPY ); + buttonsToShow = TextSelectionPopup::Buttons( TextSelectionPopup::COPY ); + if(isEditable) + { + buttonsToShow = TextSelectionPopup::Buttons( buttonsToShow | TextSelectionPopup::CUT ); + } if( !IsClipboardEmpty() ) { - buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) ); + if(isEditable) + { + buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) ); + } buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::CLIPBOARD ) ); } @@ -2488,7 +2081,10 @@ void Controller::Impl::SetPopupButtons() if( !IsClipboardEmpty() ) { - buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) ); + if(isEditable) + { + buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) ); + } buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::CLIPBOARD ) ); } } @@ -2496,7 +2092,10 @@ void Controller::Impl::SetPopupButtons() { if ( !IsClipboardEmpty() ) { - buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) ); + if(isEditable) + { + buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) ); + } buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::CLIPBOARD ) ); } } @@ -2739,11 +2338,24 @@ void Controller::Impl::GetCursorPosition( CharacterIndex logical, cursorInfo.lineHeight = GetDefaultFontLineHeight(); cursorInfo.primaryCursorHeight = cursorInfo.lineHeight; + bool isRTL = false; + if( mModel->mMatchSystemLanguageDirection ) + { + isRTL = mLayoutDirection == LayoutDirection::RIGHT_TO_LEFT; + } + switch( mModel->mHorizontalAlignment ) { case Text::HorizontalAlignment::BEGIN : { - cursorInfo.primaryPosition.x = 0.f; + if( isRTL ) + { + cursorInfo.primaryPosition.x = mModel->mVisualModel->mControlSize.width - mEventData->mDecorator->GetCursorWidth(); + } + else + { + cursorInfo.primaryPosition.x = 0.f; + } break; } case Text::HorizontalAlignment::CENTER: @@ -2753,7 +2365,14 @@ void Controller::Impl::GetCursorPosition( CharacterIndex logical, } case Text::HorizontalAlignment::END: { - cursorInfo.primaryPosition.x = mModel->mVisualModel->mControlSize.width - mEventData->mDecorator->GetCursorWidth(); + if( isRTL ) + { + cursorInfo.primaryPosition.x = 0.f; + } + else + { + cursorInfo.primaryPosition.x = mModel->mVisualModel->mControlSize.width - mEventData->mDecorator->GetCursorWidth(); + } break; } } @@ -3046,6 +2665,170 @@ void Controller::Impl::RequestRelayout() } } +Actor Controller::Impl::CreateBackgroundActor() +{ + // NOTE: Currently we only support background color for one line left-to-right text, + // so the following calculation is based on one line left-to-right text only! + + Actor actor; + + Length numberOfGlyphs = mView.GetNumberOfGlyphs(); + if( numberOfGlyphs > 0u ) + { + Vector glyphs; + glyphs.Resize( numberOfGlyphs ); + + Vector positions; + positions.Resize( numberOfGlyphs ); + + // Get the line where the glyphs are laid-out. + const LineRun* lineRun = mModel->mVisualModel->mLines.Begin(); + float alignmentOffset = lineRun->alignmentOffset; + numberOfGlyphs = mView.GetGlyphs( glyphs.Begin(), + positions.Begin(), + alignmentOffset, + 0u, + numberOfGlyphs ); + + glyphs.Resize( numberOfGlyphs ); + positions.Resize( numberOfGlyphs ); + + const GlyphInfo* const glyphsBuffer = glyphs.Begin(); + const Vector2* const positionsBuffer = positions.Begin(); + + BackgroundMesh mesh; + mesh.mVertices.Reserve( 4u * glyphs.Size() ); + mesh.mIndices.Reserve( 6u * glyphs.Size() ); + + const Vector2 textSize = mView.GetLayoutSize(); + + const float offsetX = textSize.width * 0.5f; + const float offsetY = textSize.height * 0.5f; + + const Vector4* const backgroundColorsBuffer = mView.GetBackgroundColors(); + const ColorIndex* const backgroundColorIndicesBuffer = mView.GetBackgroundColorIndices(); + const Vector4& defaultBackgroundColor = mModel->mVisualModel->IsBackgroundEnabled() ? mModel->mVisualModel->GetBackgroundColor() : Color::TRANSPARENT; + + Vector4 quad; + uint32_t numberOfQuads = 0u; + + for( uint32_t i = 0, glyphSize = glyphs.Size(); i < glyphSize; ++i ) + { + const GlyphInfo& glyph = *( glyphsBuffer + i ); + + // Get the background color of the character. + // The color index zero is reserved for the default background color (i.e. Color::TRANSPARENT) + const ColorIndex backgroundColorIndex = ( nullptr == backgroundColorsBuffer ) ? 0u : *( backgroundColorIndicesBuffer + i ); + const Vector4& backgroundColor = ( 0u == backgroundColorIndex ) ? defaultBackgroundColor : *( backgroundColorsBuffer + backgroundColorIndex - 1u ); + + // Only create quads for glyphs with a background color + if ( backgroundColor != Color::TRANSPARENT ) + { + const Vector2 position = *( positionsBuffer + i ); + + if ( i == 0u && glyphSize == 1u ) // Only one glyph in the whole text + { + quad.x = position.x; + quad.y = 0.0f; + quad.z = quad.x + std::max( glyph.advance, glyph.xBearing + glyph.width ); + quad.w = textSize.height; + } + else if ( i == 0u ) // The first glyph in the whole text + { + quad.x = position.x; + quad.y = 0.0f; + quad.z = quad.x - glyph.xBearing + glyph.advance; + quad.w = textSize.height; + } + else if ( i == glyphSize - 1u ) // The last glyph in the whole text + { + quad.x = position.x - glyph.xBearing; + quad.y = 0.0f; + quad.z = quad.x + std::max( glyph.advance, glyph.xBearing + glyph.width ); + quad.w = textSize.height; + } + else // The glyph in the middle of the text + { + quad.x = position.x - glyph.xBearing; + quad.y = 0.0f; + quad.z = quad.x + glyph.advance; + quad.w = textSize.height; + } + + BackgroundVertex vertex; + + // Top left + vertex.mPosition.x = quad.x - offsetX; + vertex.mPosition.y = quad.y - offsetY; + vertex.mColor = backgroundColor; + mesh.mVertices.PushBack( vertex ); + + // Top right + vertex.mPosition.x = quad.z - offsetX; + vertex.mPosition.y = quad.y - offsetY; + vertex.mColor = backgroundColor; + mesh.mVertices.PushBack( vertex ); + + // Bottom left + vertex.mPosition.x = quad.x - offsetX; + vertex.mPosition.y = quad.w - offsetY; + vertex.mColor = backgroundColor; + mesh.mVertices.PushBack( vertex ); + + // Bottom right + vertex.mPosition.x = quad.z - offsetX; + vertex.mPosition.y = quad.w - offsetY; + vertex.mColor = backgroundColor; + mesh.mVertices.PushBack( vertex ); + + // Six indices in counter clockwise winding + mesh.mIndices.PushBack( 1u + 4 * numberOfQuads ); + mesh.mIndices.PushBack( 0u + 4 * numberOfQuads ); + mesh.mIndices.PushBack( 2u + 4 * numberOfQuads ); + mesh.mIndices.PushBack( 2u + 4 * numberOfQuads ); + mesh.mIndices.PushBack( 3u + 4 * numberOfQuads ); + mesh.mIndices.PushBack( 1u + 4 * numberOfQuads ); + + numberOfQuads++; + } + } + + // Only create the background actor if there are glyphs with background color + if ( mesh.mVertices.Count() > 0u ) + { + Property::Map quadVertexFormat; + quadVertexFormat[ "aPosition" ] = Property::VECTOR2; + quadVertexFormat[ "aColor" ] = Property::VECTOR4; + + VertexBuffer quadVertices = VertexBuffer::New( quadVertexFormat ); + quadVertices.SetData( &mesh.mVertices[ 0 ], mesh.mVertices.Size() ); + + Geometry quadGeometry = Geometry::New(); + quadGeometry.AddVertexBuffer( quadVertices ); + quadGeometry.SetIndexBuffer( &mesh.mIndices[ 0 ], mesh.mIndices.Size() ); + + if( !mShaderBackground ) + { + mShaderBackground = Shader::New( VERTEX_SHADER_BACKGROUND, FRAGMENT_SHADER_BACKGROUND ); + } + + Dali::Renderer renderer = Dali::Renderer::New( quadGeometry, mShaderBackground ); + renderer.SetProperty( Dali::Renderer::Property::BLEND_MODE, BlendMode::ON ); + renderer.SetProperty( Dali::Renderer::Property::DEPTH_INDEX, DepthIndex::CONTENT ); + + actor = Actor::New(); + actor.SetProperty( Dali::Actor::Property::NAME, "TextBackgroundColorActor" ); + actor.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT ); + actor.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT ); + actor.SetProperty( Actor::Property::SIZE, textSize ); + actor.SetProperty( Actor::Property::COLOR_MODE, USE_OWN_MULTIPLY_PARENT_COLOR ); + actor.AddRenderer( renderer ); + } + } + + return actor; +} + } // namespace Text } // namespace Toolkit