+++ /dev/null
-//
-// Copyright (c) 2014 Samsung Electronics Co., Ltd.
-//
-// Licensed under the Flora License, Version 1.0 (the License);
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://floralicense.org/license/
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an AS IS BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-// CLASS HEADER
-#include "text-view-impl.h"
-
-// INTERNAL INCLUDES
-#include "split-by-new-line-char-policies.h"
-#include "split-by-word-policies.h"
-#include "split-by-char-policies.h"
-#include "text-view-processor.h"
-#include "text-view-word-processor.h"
-#include "relayout-utilities.h"
-#include "text-view-processor-dbg.h"
-
-namespace Dali
-{
-
-namespace Toolkit
-{
-
-const Property::Index TextView::PROPERTY_MARKUP_ENABLED( Internal::TextView::TEXTVIEW_PROPERTY_START_INDEX );
-
-namespace Internal
-{
-
-namespace
-{
-
-const char* const PROPERTY_TEXT = "text";
-const char* const PROPERTY_MULTILINE_POLICY = "multiline-policy";
-const char* const PROPERTY_WIDTH_EXCEED_POLICY = "width-exceed-policy";
-const char* const PROPERTY_HEIGHT_EXCEED_POLICY = "height-exceed-policy";
-const char* const PROPERTY_LINE_JUSTIFICATION = "line-justification";
-const char* const PROPERTY_FADE_BOUNDARY_LEFT = "fade-boundary-left";
-const char* const PROPERTY_FADE_BOUNDARY_RIGHT = "fade-boundary-right";
-const char* const PROPERTY_FADE_BOUNDARY_TOP = "fade-boundary-top";
-const char* const PROPERTY_FADE_BOUNDARY_BOTTOM = "fade-boundary-bottom";
-const char* const PROPERTY_LINE_HEIGHT_OFFSET = "line-height-offset";
-const char* const PROPERTY_HORIZONTAL_ALIGNMENT = "horizontal-alignment";
-const char* const PROPERTY_VERTICAL_ALIGNMENT = "vertical-alignment";
-
-// Currently on desktop machines 2k x 2k is the maximum frame buffer size, on target is 4k x 4k.
-const float MAX_OFFSCREEN_RENDERING_SIZE = 2048.f;
-
-//Type Registration
-BaseHandle Create()
-{
- return Toolkit::TextView::New();
-}
-
-TypeRegistration typeRegistration( typeid(Toolkit::TextView), typeid(Toolkit::Control), Create );
-
-SignalConnectorType signalConnector1( typeRegistration, Toolkit::TextView::SIGNAL_TEXT_SCROLLED , &TextView::DoConnectSignal );
-
-PropertyRegistration property1( typeRegistration, "markup-enabled", Toolkit::TextView::PROPERTY_MARKUP_ENABLED, Property::BOOLEAN, &TextView::SetProperty, &TextView::GetProperty );
-
-/**
- * Whether the text-view-processor operation sets, inserts, replaces, removes text.
- *
- * @param[in] metadata The text-view-processor operation.
- *
- * @return \e true if the given text-view-processor operation is modifying the text.
- */
-bool IsTextViewProcessorRelayoutOperation( const TextView::TextViewProcessorMetadata& metadata )
-{
- return ( ( metadata.mType == TextView::TextSet ) ||
- ( metadata.mType == TextView::TextInserted ) ||
- ( metadata.mType == TextView::TextReplaced ) ||
- ( metadata.mType == TextView::TextRemoved ) ||
- ( metadata.mType == TextView::NewStyle ));
-}
-
-/**
- * Whether the text-view-processor operation sets a new line height offset.
- *
- * @param[in] metadata The text-view-processor operation.
- *
- * @return \e true if the given text-view-processor operation sets a new line height offset.
- */
-bool IsTextViewProcessorLineHeightOffsetOperation( const TextView::TextViewProcessorMetadata& metadata )
-{
- return ( metadata.mType == TextView::NewLineHeight );
-}
-
-/**
- * Whether the text-view-processor operation sets a new style.
- *
- * @param[in] metadata The text-view-processor operation.
- *
- * @return \e true if the given text-view-processor operation sets a new style.
- */
-bool IsTextViewProcessorNewStyleOperation( const TextView::TextViewProcessorMetadata& metadata )
-{
- return ( metadata.mType == TextView::NewStyle );
-}
-
-} // namespace
-
-TextView::TextViewProcessorMetadata::TextViewProcessorMetadata()
-: mType( TextView::TextSet ),
- mPosition( 0 ),
- mNumberOfCharacters( 0 ),
- mText()
-{
-}
-
-Toolkit::TextView TextView::New()
-{
- // Create the implementation, temporarily owned on stack
- IntrusivePtr<TextView> textView = new TextView();
-
- // Pass ownership to CustomActor
- Toolkit::TextView handle( *textView );
-
- // Second-phase init of the implementation
- // This can only be done after the CustomActor connection has been made...
- textView->Initialize();
-
- // Enables by default the offscreen rendering.
- textView->SetSnapshotModeEnabled( false ); /// @note Temporary disabled due to some issues with text quality and glyph loading.
-
- return handle;
-}
-
-void TextView::SetText( const std::string& text )
-{
- // Creates a styled text with the markup or plain string.
- MarkupProcessor::StyledTextArray styledText;
- MarkupProcessor::GetStyledTextArray( text, styledText, IsMarkupProcessingEnabled() );
-
- // Calls SetText() with the styled text array.
- SetText( styledText );
-}
-
-void TextView::SetText( const MarkupProcessor::StyledTextArray& text )
-{
- // mTextViewProcessorOperations stores the InsertTextAt and RemoveTextFrom operations to transform the initial text to mCurrentStyledText.
- // Once again, if a new text is set, any previous call to InsertTextAt or RemoveTextFrom can be discarted.
-
- std::vector<TextViewProcessorMetadata>::iterator it = std::remove_if( mTextViewProcessorOperations.begin(), mTextViewProcessorOperations.end(), IsTextViewProcessorRelayoutOperation );
- mTextViewProcessorOperations.erase( it, mTextViewProcessorOperations.end() );
-
- // Creates metadata with the Set operation.
- TextViewProcessorMetadata metadata;
- metadata.mType = TextView::TextSet;
- metadata.mText = text;
-
- // Store metadata.
- mTextViewProcessorOperations.push_back( metadata );
-
- // Updates current styled text.
- mCurrentStyledText = text;
-
- // Request to be relaid out
- RelayoutRequest();
-
- // If a GetTextLayoutInfo() or GetHeightForWidth() arrives, relayout the text synchronously is needed on order to retrieve the right values.
- mRelayoutOperations = RELAYOUT_ALL;
-}
-
-void TextView::InsertTextAt( std::size_t position, const std::string& text )
-{
- // Creates a styled text with the markup or plain string.
- MarkupProcessor::StyledTextArray styledText;
- MarkupProcessor::GetStyledTextArray( text, styledText, IsMarkupProcessingEnabled() );
-
- // Calls InsertTextAt() with the styled text array.
- InsertTextAt( position, styledText );
-}
-
-void TextView::InsertTextAt( const std::size_t position, const MarkupProcessor::StyledTextArray& text )
-{
- // Creates metadata with the Insert operation.
- TextViewProcessorMetadata metadata;
- metadata.mType = TextView::TextInserted;
- metadata.mPosition = position;
- metadata.mText = text;
-
- // Store metadata.
- mTextViewProcessorOperations.push_back( metadata );
-
- // Updates current styled text.
- mCurrentStyledText.insert( mCurrentStyledText.begin() + position, text.begin(), text.end() );
-
- // Request to be relaid out
- RelayoutRequest();
-
- // If a GetTextLayoutInfo() or GetHeightForWidth() arrives, relayout the text synchronously is needed on order to retrieve the right values.
- mRelayoutOperations = RELAYOUT_ALL;
-}
-
-void TextView::ReplaceTextFromTo( const std::size_t position, const std::size_t numberOfCharacters, const std::string& text )
-{
- // Creates a styled text with the markup or plain string.
- MarkupProcessor::StyledTextArray styledText;
- MarkupProcessor::GetStyledTextArray( text, styledText, IsMarkupProcessingEnabled() );
-
- // Calls ReplaceTextFromTo() with the styled text array.
- ReplaceTextFromTo( position, numberOfCharacters, styledText );
-}
-
-void TextView::ReplaceTextFromTo( const std::size_t position, const std::size_t numberOfCharacters, const MarkupProcessor::StyledTextArray& text )
-{
- // Creates metadata with the Insert operation.
- TextViewProcessorMetadata metadata;
- metadata.mType = TextView::TextReplaced;
- metadata.mPosition = position;
- metadata.mNumberOfCharacters = numberOfCharacters;
- metadata.mText = text;
-
- // Store metadata.
- mTextViewProcessorOperations.push_back( metadata );
-
- // Updates current styled text.
- MarkupProcessor::StyledTextArray::iterator it = mCurrentStyledText.begin() + position;
- mCurrentStyledText.erase( it, it + numberOfCharacters );
- it = mCurrentStyledText.begin() + position;
- mCurrentStyledText.insert( it, text.begin(), text.end() );
-
- // Request to be relaid out
- RelayoutRequest();
-
- // If a GetTextLayoutInfo() or GetHeightForWidth() arrives, relayout the text synchronously is needed on order to retrieve the right values.
- mRelayoutOperations = RELAYOUT_ALL;
-}
-
-void TextView::RemoveTextFrom( const std::size_t position, const std::size_t numberOfCharacters )
-{
- // Creates metadata with the Remove operation.
- TextViewProcessorMetadata metadata;
- metadata.mType = TextView::TextRemoved;
- metadata.mPosition = position;
- metadata.mNumberOfCharacters = numberOfCharacters;
-
- // Store metadata.
- mTextViewProcessorOperations.push_back( metadata );
-
- // Updates current styled text.
- MarkupProcessor::StyledTextArray::iterator it = mCurrentStyledText.begin() + position;
- mCurrentStyledText.erase( it, it + numberOfCharacters );
-
- // Request to be relaid out
- RelayoutRequest();
-
- // If a GetTextLayoutInfo() or GetHeightForWidth() arrives, relayout the text synchronously is needed on order to retrieve the right values.
- mRelayoutOperations = RELAYOUT_ALL;
-}
-
-std::string TextView::GetText() const
-{
- // Traverses the styled text array getting only the text.
- // Note that for some languages a 'character' could be represented by more than one 'char'
-
- std::string text;
- for( MarkupProcessor::StyledTextArray::const_iterator it = mCurrentStyledText.begin(), endIt = mCurrentStyledText.end(); it != endIt; ++it )
- {
- text.append( (*it).mText.GetText() );
- }
-
- return text;
-}
-
-void TextView::SetLineHeightOffset( const PointSize offset )
-{
- if( fabsf( mLayoutParameters.mLineHeightOffset - offset ) > Math::MACHINE_EPSILON_1000 )
- {
- // Removes any previous operation which modifies the line height offset.
- std::vector<TextViewProcessorMetadata>::iterator it = std::remove_if( mTextViewProcessorOperations.begin(), mTextViewProcessorOperations.end(), IsTextViewProcessorLineHeightOffsetOperation );
- mTextViewProcessorOperations.erase( it, mTextViewProcessorOperations.end() );
-
- // Creates metadata with the new line height operation.
- TextViewProcessorMetadata metadata;
- metadata.mType = TextView::NewLineHeight;
-
- mTextViewProcessorOperations.push_back( metadata );
-
- // Updates line height offset.
- mLayoutParameters.mLineHeightOffset = offset;
-
- RelayoutRequest();
-
- // If a GetTextLayoutInfo() or GetHeightForWidth() arrives, relayout the text synchronously is needed on order to retrieve the right values.
- if( RELAYOUT_ALL != mRelayoutOperations )
- {
- mRelayoutOperations = static_cast<RelayoutOperationMask>( mRelayoutOperations |
- RELAYOUT_REMOVE_TEXT_ACTORS |
- RELAYOUT_SIZE_POSITION |
- RELAYOUT_ALIGNMENT |
- RELAYOUT_VISIBILITY |
- RELAYOUT_TEXT_ACTOR_UPDATE |
- RELAYOUT_INSERT_TO_TEXT_VIEW |
- RELAYOUT_INSERT_TO_TEXT_ACTOR_LIST );
- }
- }
-}
-
-PointSize TextView::GetLineHeightOffset() const
-{
- return PointSize( mLayoutParameters.mLineHeightOffset );
-}
-
-void TextView::SetStyleToCurrentText( const TextStyle& style, const TextStyle::Mask mask )
-{
- if( !mCurrentStyledText.empty() )
- {
- const bool checkFontName = mask & TextStyle::FONT;
- const bool checkFontSize = mask & TextStyle::SIZE;
- const bool checkFontStyle = mask & TextStyle::STYLE;
-
- // Check first if metrics have changed.
- bool metricsChanged = false;
- for( MarkupProcessor::StyledTextArray::const_iterator it = mCurrentStyledText.begin(), endIt = mCurrentStyledText.end(); ( it != endIt ) && !metricsChanged; ++it )
- {
- const MarkupProcessor::StyledText& styledText( *it );
-
- metricsChanged = ( checkFontName && ( styledText.mStyle.GetFontName() != style.GetFontName() ) ) ||
- ( checkFontStyle && ( styledText.mStyle.GetFontStyle() != style.GetFontStyle() ) ) ||
- ( checkFontSize && ( fabsf( styledText.mStyle.GetFontPointSize() - style.GetFontPointSize() ) > Math::MACHINE_EPSILON_1000 ) );
- }
-
- if( metricsChanged )
- {
- MarkupProcessor::SetTextStyle( mCurrentStyledText, style, mask );
-
- // If metrics change, new text measurements are needed.
- SetText( mCurrentStyledText );
- }
- else
- {
- // Deletes any previous operation which sets a new style.
- std::vector<TextViewProcessorMetadata>::iterator it = std::remove_if( mTextViewProcessorOperations.begin(), mTextViewProcessorOperations.end(), IsTextViewProcessorNewStyleOperation );
- mTextViewProcessorOperations.erase( it, mTextViewProcessorOperations.end() );
-
- // Creates metadata with the new style operation.
- TextViewProcessorMetadata metadata;
- metadata.mType = TextView::NewStyle;
-
- MarkupProcessor::StyledText text;
- text.mStyle = style;
- metadata.mText.push_back( text );
- metadata.mStyleMask = mask;
-
- mTextViewProcessorOperations.push_back( metadata );
-
- MarkupProcessor::SetTextStyle( mCurrentStyledText, style, mask );
-
- RelayoutRequest();
-
- if( RELAYOUT_ALL != mRelayoutOperations )
- {
- mRelayoutOperations = static_cast<RelayoutOperationMask>( mRelayoutOperations |
- RELAYOUT_TEXT_ACTOR_UPDATE );
- }
- }
- }
-
- // Sets the new style to the ellipsize text
- if( !mLayoutParameters.mEllipsizeText.empty() )
- {
- for( MarkupProcessor::StyledTextArray::iterator it = mLayoutParameters.mEllipsizeText.begin(), endIt = mLayoutParameters.mEllipsizeText.end(); it != endIt; ++it )
- {
- (*it).mStyle.Copy( style, mask );
- }
-
- SetEllipsizeText( mLayoutParameters.mEllipsizeText );
- }
-}
-
-void TextView::SetTextAlignment( Toolkit::Alignment::Type align )
-{
- if( align != ( mLayoutParameters.mHorizontalAlignment | mLayoutParameters.mVerticalAlignment ) )
- {
- Toolkit::Alignment::Type horizontalAlignment( ( align & Toolkit::Alignment::HorizontalLeft ? Toolkit::Alignment::HorizontalLeft :
- ( align & Toolkit::Alignment::HorizontalCenter ? Toolkit::Alignment::HorizontalCenter :
- ( align & Toolkit::Alignment::HorizontalRight ? Toolkit::Alignment::HorizontalRight : Toolkit::Alignment::HorizontalCenter ) ) ) );
- Toolkit::Alignment::Type verticalAlignment( ( align & Toolkit::Alignment::VerticalTop ? Toolkit::Alignment::VerticalTop :
- ( align & Toolkit::Alignment::VerticalCenter ? Toolkit::Alignment::VerticalCenter :
- ( align & Toolkit::Alignment::VerticalBottom ? Toolkit::Alignment::VerticalBottom : Toolkit::Alignment::VerticalCenter ) ) ) );
-
- mLayoutParameters.mHorizontalAlignment = horizontalAlignment;
- mLayoutParameters.mVerticalAlignment = verticalAlignment;
-
- RelayoutRequest();
-
- // If a GetTextLayoutInfo() or GetHeightForWidth() arrives, relayout the text synchronously is needed in order to retrieve the right values.
- if( RELAYOUT_ALL != mRelayoutOperations )
- {
- mRelayoutOperations = static_cast<RelayoutOperationMask>( mRelayoutOperations |
- RELAYOUT_TEXT_ACTOR_UPDATE |
- RELAYOUT_ALIGNMENT |
- RELAYOUT_VISIBILITY );
- }
- }
-}
-
-Toolkit::Alignment::Type TextView::GetTextAlignment() const
-{
- return static_cast<Toolkit::Alignment::Type>( mLayoutParameters.mHorizontalAlignment | mLayoutParameters.mVerticalAlignment );
-}
-
-void TextView::SetMultilinePolicy( Toolkit::TextView::MultilinePolicy policy )
-{
- if( policy != mLayoutParameters.mMultilinePolicy )
- {
- mLayoutParameters.mMultilinePolicy = policy;
-
- // If a GetTextLayoutInfo() or GetHeightForWidth() arrives, relayout the text synchronously is needed on order to retrieve the right values.
- mRelayoutOperations = RELAYOUT_ALL;
-
- RelayoutRequest();
- }
-}
-
-Toolkit::TextView::MultilinePolicy TextView::GetMultilinePolicy() const
-{
- return mLayoutParameters.mMultilinePolicy;
-}
-
-void TextView::SetWidthExceedPolicy( Toolkit::TextView::ExceedPolicy policy )
-{
- // The layout info could be invalid depending on the current exceed policy and the new one.
- // i.e. if the current policy is Split and the new one is ShrinkToFit then
- // the layout info generated for each char is not needed.
- if( policy != mLayoutParameters.mWidthExceedPolicy )
- {
- mLayoutParameters.mWidthExceedPolicy = policy;
-
- // If a GetTextLayoutInfo() or GetHeightForWidth() arrives, relayout the text synchronously is needed in order to retrieve the right values.
- mRelayoutOperations = RELAYOUT_ALL;
-
- RelayoutRequest();
- }
-}
-
-Toolkit::TextView::ExceedPolicy TextView::GetWidthExceedPolicy() const
-{
- return mLayoutParameters.mWidthExceedPolicy;
-}
-
-void TextView::SetHeightExceedPolicy( Toolkit::TextView::ExceedPolicy policy )
-{
- if( policy != mLayoutParameters.mHeightExceedPolicy )
- {
- mLayoutParameters.mHeightExceedPolicy = policy;
-
- RelayoutRequest();
-
- // If a GetTextLayoutInfo() or GetHeightForWidth() arrives, relayout the text synchronously is needed in order to retrieve the right values.
- if( RELAYOUT_ALL != mRelayoutOperations )
- {
- mRelayoutOperations = static_cast<RelayoutOperationMask>( mRelayoutOperations |
- RELAYOUT_REMOVE_TEXT_ACTORS |
- RELAYOUT_SIZE_POSITION |
- RELAYOUT_ALIGNMENT |
- RELAYOUT_VISIBILITY |
- RELAYOUT_TEXT_ACTOR_UPDATE |
- RELAYOUT_INSERT_TO_TEXT_VIEW |
- RELAYOUT_INSERT_TO_TEXT_ACTOR_LIST );
- }
- }
-}
-
-Toolkit::TextView::ExceedPolicy TextView::GetHeightExceedPolicy() const
-{
- return mLayoutParameters.mHeightExceedPolicy;
-}
-
-void TextView::SetLineJustification( Toolkit::TextView::LineJustification justification )
-{
- if( justification != mLayoutParameters.mLineJustification )
- {
- mLayoutParameters.mLineJustification = justification;
-
- RelayoutRequest();
-
- // If a GetTextLayoutInfo() or GetHeightForWidth() arrives, relayout the text synchronously is needed in order to retrieve the right values.
- if( RELAYOUT_ALL != mRelayoutOperations )
- {
- mRelayoutOperations = static_cast<RelayoutOperationMask>( mRelayoutOperations |
- RELAYOUT_REMOVE_TEXT_ACTORS |
- RELAYOUT_SIZE_POSITION |
- RELAYOUT_ALIGNMENT |
- RELAYOUT_VISIBILITY |
- RELAYOUT_TEXT_ACTOR_UPDATE |
- RELAYOUT_INSERT_TO_TEXT_VIEW |
- RELAYOUT_INSERT_TO_TEXT_ACTOR_LIST );
- }
- }
-}
-
-Toolkit::TextView::LineJustification TextView::GetLineJustification() const
-{
- return mLayoutParameters.mLineJustification;
-}
-
-void TextView::SetFadeBoundary( const Toolkit::TextView::FadeBoundary& fadeBoundary )
-{
- if( ( fadeBoundary.mLeft != mVisualParameters.mFadeBoundary.mLeft ) ||
- ( fadeBoundary.mRight != mVisualParameters.mFadeBoundary.mRight ) ||
- ( fadeBoundary.mTop != mVisualParameters.mFadeBoundary.mTop ) ||
- ( fadeBoundary.mBottom != mVisualParameters.mFadeBoundary.mBottom ) )
- {
- mVisualParameters.mFadeBoundary = fadeBoundary;
-
- RelayoutRequest();
-
- // If a GetTextLayoutInfo() or GetHeightForWidth() arrives, relayout the text synchronously is needed in order to retrieve the right values.
- if( RELAYOUT_ALL != mRelayoutOperations )
- {
- mRelayoutOperations = static_cast<RelayoutOperationMask>( mRelayoutOperations |
- RELAYOUT_REMOVE_TEXT_ACTORS |
- RELAYOUT_VISIBILITY |
- RELAYOUT_TEXT_ACTOR_UPDATE |
- RELAYOUT_INSERT_TO_TEXT_VIEW |
- RELAYOUT_INSERT_TO_TEXT_ACTOR_LIST );
- }
- }
-}
-
-const Toolkit::TextView::FadeBoundary& TextView::GetFadeBoundary() const
-{
- return mVisualParameters.mFadeBoundary;
-}
-
-void TextView::SetEllipsizeText( const std::string& ellipsizeText )
-{
- // Creates a styled text with the markup or plain string.
- MarkupProcessor::StyledTextArray styledText;
- MarkupProcessor::GetStyledTextArray( ellipsizeText, styledText, IsMarkupProcessingEnabled() );
-
- SetEllipsizeText( styledText );
-}
-
-void TextView::SetEllipsizeText( const MarkupProcessor::StyledTextArray& ellipsizeText )
-{
- mLayoutParameters.mEllipsizeText = ellipsizeText;
-
- mRelayoutData.mTextLayoutInfo.mEllipsizeLayoutInfo = TextViewProcessor::WordLayoutInfo();
-
- TextViewProcessor::CreateWordTextInfo( mLayoutParameters.mEllipsizeText,
- mRelayoutData.mTextLayoutInfo.mEllipsizeLayoutInfo );
-
- // Request to be relaid out
- RelayoutRequest();
-
- mRelayoutOperations = RELAYOUT_ALL;
-}
-
-std::string TextView::GetEllipsizeText() const
-{
- std::string text;
- for( MarkupProcessor::StyledTextArray::const_iterator it = mLayoutParameters.mEllipsizeText.begin(), endIt = mLayoutParameters.mEllipsizeText.end(); it != endIt; ++it )
- {
- text.append( (*it).mText.GetText() );
- }
-
- return text;
-}
-
-void TextView::GetTextLayoutInfo()
-{
- const bool relayoutSizeAndPositionNeeded = mRelayoutOperations & RELAYOUT_SIZE_POSITION;
- const bool relayoutAlignmentNeeded = mRelayoutOperations & RELAYOUT_ALIGNMENT;
- const bool relayoutVisibilityNeeded = mRelayoutOperations & RELAYOUT_VISIBILITY;
-
- if( relayoutSizeAndPositionNeeded || relayoutAlignmentNeeded || relayoutVisibilityNeeded )
- {
- Vector3 textViewSize = GetControlSize();
-
- if( ( ( textViewSize.width < Math::MACHINE_EPSILON_1000 ) ||
- ( textViewSize.height < Math::MACHINE_EPSILON_1000 ) ) &&
- ( ( Toolkit::TextView::SplitByNewLineChar == mLayoutParameters.mMultilinePolicy ) &&
- ( Toolkit::TextView::Original == mLayoutParameters.mWidthExceedPolicy ) &&
- ( Toolkit::TextView::Original == mLayoutParameters.mHeightExceedPolicy ) ) )
- {
- // In case the control size is not set but the layout settings are the default (split by new line character and original exceed policies)
- // the text natural size can be used.
- textViewSize = GetNaturalSize();
- }
-
- if( ( textViewSize.width > Math::MACHINE_EPSILON_1000 ) &&
- ( textViewSize.height > Math::MACHINE_EPSILON_1000 ) )
- {
- // Check if the text-view has glyph-actors.
- const bool hasGlyphActors = !mRelayoutData.mGlyphActors.empty();
-
- RelayoutOperationMask mask = NO_RELAYOUT;
- if( relayoutSizeAndPositionNeeded )
- {
- mask = static_cast<RelayoutOperationMask>( mask | RELAYOUT_SIZE_POSITION );
- }
- if( relayoutAlignmentNeeded )
- {
- mask = static_cast<RelayoutOperationMask>( mask | RELAYOUT_ALIGNMENT );
- }
- if( relayoutVisibilityNeeded )
- {
- mask = static_cast<RelayoutOperationMask>( mask | RELAYOUT_VISIBILITY );
- }
-
- if( hasGlyphActors )
- {
- // Remove glyph-actors from the text-view as some text-operation like CreateTextInfo()
- // add them to the text-actor cache.
- TextViewRelayout::RemoveGlyphActors( GetRootActor(), mRelayoutData.mGlyphActors );
- mRelayoutData.mGlyphActors.clear();
- }
-
- // Relays-out but doesn't add glyph-actors to the text-view.
- DoRelayOut( textViewSize.GetVectorXY(), mask );
-
- if( hasGlyphActors )
- {
- mRelayoutOperations = static_cast<RelayoutOperationMask>( mRelayoutOperations | RELAYOUT_INSERT_TO_TEXT_VIEW );
- mRelayoutOperations = static_cast<RelayoutOperationMask>( mRelayoutOperations | RELAYOUT_INSERT_TO_TEXT_ACTOR_LIST );
- }
-
- }
- }
-}
-
-void TextView::GetTextLayoutInfo( Toolkit::TextView::TextLayoutInfo& textLayoutInfo )
-{
- GetTextLayoutInfo();
-
- textLayoutInfo.mCharacterLayoutInfoTable = mRelayoutData.mCharacterLayoutInfoTable;
- textLayoutInfo.mLines = mRelayoutData.mLines;
-
- textLayoutInfo.mCharacterLogicalToVisualMap = mRelayoutData.mCharacterLogicalToVisualMap;
- textLayoutInfo.mCharacterVisualToLogicalMap = mRelayoutData.mCharacterVisualToLogicalMap;
-
- textLayoutInfo.mTextSize = mRelayoutData.mTextSizeForRelayoutOption;
-
- textLayoutInfo.mScrollOffset = mVisualParameters.mCameraScrollPosition;
-}
-
-void TextView::SetSortModifier( float depthOffset )
-{
- mVisualParameters.mSortModifier = depthOffset;
-
- for( std::vector<RenderableActor>::iterator it = mRelayoutData.mGlyphActors.begin(), endIt = mRelayoutData.mGlyphActors.end();
- it != endIt;
- ++it )
- {
- ( *it ).SetSortModifier( depthOffset );
- }
-
- if( mOffscreenImageActor )
- {
- mOffscreenImageActor.SetSortModifier( depthOffset );
- }
-}
-
-void TextView::SetSnapshotModeEnabled( bool enable )
-{
- if( enable != mVisualParameters.mSnapshotModeEnabled )
- {
- // Remove first all glyph-actors
- if( !mRelayoutData.mGlyphActors.empty() )
- {
- TextViewRelayout::RemoveGlyphActors( GetRootActor(), mRelayoutData.mGlyphActors );
- }
-
- mVisualParameters.mSnapshotModeEnabled = enable;
- if( !mLockPreviousSnapshotMode )
- {
- // mPreviousSnapshotModeEnabled stores the snapshot mode value before SetScrollEnabled( true ) is
- // called. However, if SetSnapshotModeEnabled() is called after SetScrollEnabled() then the stored value
- // is updated.
- // As SetSnapshotModeEnabled() is also called from SetScrollEnabled(), the mLockPreviousSnapshotMode prevents
- // to smash the stored value.
- mPreviousSnapshotModeEnabled = enable;
- }
-
- if( mVisualParameters.mSnapshotModeEnabled )
- {
- // Create a root actor and an image actor for offscreen rendering.
- mOffscreenRootActor = Layer::New();
- mOffscreenImageActor = ImageActor::New();
-
- mOffscreenRootActor.SetColorMode( USE_OWN_COLOR );
- mOffscreenRootActor.SetPositionInheritanceMode( DONT_INHERIT_POSITION );
- mOffscreenRootActor.SetInheritRotation( false );
- mOffscreenRootActor.SetInheritScale( false );
- mOffscreenRootActor.SetDepthTestDisabled( true );
-
- mOffscreenRootActor.SetPosition( 0.f, 0.f, 0.f );
-
- mOffscreenImageActor.SetAnchorPoint( ParentOrigin::CENTER );
- mOffscreenImageActor.SetParentOrigin( ParentOrigin::CENTER );
-
- Actor self = Self();
- self.Add( mOffscreenRootActor );
- self.Add( mOffscreenImageActor );
- mOffscreenImageActor.SetScale(Vector3(1.f, -1.f, 1.f));
- }
- else
- {
- Actor self = Self();
-
- if( mOffscreenRootActor )
- {
- self.Remove( mOffscreenRootActor );
- }
-
- if( mOffscreenImageActor )
- {
- self.Remove( mOffscreenImageActor );
- }
-
- DestroyOffscreenRenderingResources();
- }
-
- if( RELAYOUT_ALL != mRelayoutOperations )
- {
- mRelayoutOperations = static_cast<RelayoutOperationMask>( mRelayoutOperations |
- RELAYOUT_REMOVE_TEXT_ACTORS |
- RELAYOUT_TEXT_ACTOR_UPDATE |
- RELAYOUT_INSERT_TO_TEXT_VIEW |
- RELAYOUT_INSERT_TO_TEXT_ACTOR_LIST );
- }
- RelayoutRequest();
- }
-}
-
-bool TextView::IsSnapshotModeEnabled() const
-{
- return mVisualParameters.mSnapshotModeEnabled;
-}
-
-void TextView::SetMarkupProcessingEnabled( bool enable )
-{
- mMarkUpEnabled = enable;
-}
-
-bool TextView::IsMarkupProcessingEnabled() const
-{
- return mMarkUpEnabled;
-}
-
-void TextView::SetScrollEnabled( const bool enable )
-{
- if( enable != mVisualParameters.mScrollEnabled )
- {
- mVisualParameters.mScrollEnabled = enable;
-
- if( mVisualParameters.mScrollEnabled )
- {
- // Offscreen rendering is needed to enable text scroll.
-
- // Stores previous value of the snapshot mode.
- mPreviousSnapshotModeEnabled = IsSnapshotModeEnabled();
-
- {
- // SetSnapshotModeEnabled() modifies the mPreviousSnapshotModeEnabled just in case it's called after SetScrollEnabled(),
- // this lock prevents to modify the mPreviousSnapshotModeEnabled when SetSnapshotModeEnabled() from this method.
- Lock lock( mLockPreviousSnapshotMode );
- SetSnapshotModeEnabled( true );
- }
-
- // Creates the pan gesture detector and attach the text-view.
- mPanGestureDetector = PanGestureDetector::New();
- mPanGestureDetector.DetectedSignal().Connect( this, &TextView::OnTextPan );
- mPanGestureDetector.Attach( Self() );
- }
- else
- {
- // Removes the pan gesture detector.
- if( mPanGestureDetector )
- {
- mPanGestureDetector.Detach( Self() );
- mPanGestureDetector.DetectedSignal().Disconnect( this, &TextView::OnTextPan );
- mPanGestureDetector.Reset();
- }
-
- // Restores the previous state for snapshot mode.
- SetSnapshotModeEnabled( mPreviousSnapshotModeEnabled );
- }
- }
-}
-
-bool TextView::IsScrollEnabled() const
-{
- return mVisualParameters.mScrollEnabled;
-}
-
-void TextView::SetScrollPosition( const Vector2& position )
-{
- if( position != mVisualParameters.mCameraScrollPosition )
- {
- // Guard against destruction during signal emission
- // Note that Emit() methods are called indirectly from within DoSetScrollPosition()
- Toolkit::TextView handle( GetOwner() );
-
- DoSetScrollPosition( position );
-
- // Check if the new scroll position has been trimmed.
- mVisualParameters.mScrollPositionTrimmed = ( position != mVisualParameters.mCameraScrollPosition );
- }
-}
-
-const Vector2& TextView::GetScrollPosition() const
-{
- return mVisualParameters.mCameraScrollPosition;
-}
-
-bool TextView::IsScrollPositionTrimmed() const
-{
- return mVisualParameters.mScrollPositionTrimmed;
-}
-
-Toolkit::TextView::ScrolledSignalV2& TextView::ScrolledSignal()
-{
- return mScrolledSignalV2;
-}
-
-bool TextView::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
-{
- Dali::BaseHandle handle( object );
-
- bool connected( true );
- Toolkit::TextView textView = Toolkit::TextView::DownCast(handle);
-
- if( Dali::Toolkit::TextView::SIGNAL_TEXT_SCROLLED == signalName )
- {
- textView.ScrolledSignal().Connect( tracker, functor );
- }
- else
- {
- // signalName does not match any signal
- connected = false;
- }
-
- return connected;
-}
-
-TextView::LayoutParameters::LayoutParameters()
-: mMultilinePolicy( Toolkit::TextView::SplitByNewLineChar ),
- mWidthExceedPolicy( Toolkit::TextView::Original ),
- mHeightExceedPolicy( Toolkit::TextView::Original ),
- mHorizontalAlignment( Toolkit::Alignment::HorizontalCenter ),
- mVerticalAlignment( Toolkit::Alignment::VerticalCenter ),
- mLineJustification( Toolkit::TextView::Left ),
- mLineHeightOffset( 0.f ),
- mEllipsizeText(),
- mMarkUpEnabled( false )
-{
- // Sets ellipsize text
- MarkupProcessor::StyledTextArray styledEllipsize;
- MarkupProcessor::GetStyledTextArray( std::string( "..." ), mEllipsizeText, false );
-}
-
-TextView::LayoutParameters::LayoutParameters( const Toolkit::TextView::MultilinePolicy multilinePolicy,
- const Toolkit::TextView::ExceedPolicy widthExceedPolicy,
- const Toolkit::TextView::ExceedPolicy heightExceedPolicy,
- const Toolkit::Alignment::Type alignmentType,
- const Toolkit::TextView::LineJustification lineJustification,
- const float lineHeightOffset,
- const std::string& ellipsizeText,
- const bool markUpEnabled )
-: mMultilinePolicy( multilinePolicy ),
- mWidthExceedPolicy( widthExceedPolicy ),
- mHeightExceedPolicy( heightExceedPolicy ),
- mHorizontalAlignment(),
- mVerticalAlignment(),
- mLineJustification( lineJustification ),
- mLineHeightOffset( lineHeightOffset ),
- mEllipsizeText(),
- mMarkUpEnabled( markUpEnabled )
-{
- // Sets alignment
- Toolkit::Alignment::Type horizontalAlignment( ( alignmentType & Toolkit::Alignment::HorizontalLeft ? Toolkit::Alignment::HorizontalLeft :
- ( alignmentType & Toolkit::Alignment::HorizontalCenter ? Toolkit::Alignment::HorizontalCenter :
- ( alignmentType & Toolkit::Alignment::HorizontalRight ? Toolkit::Alignment::HorizontalRight : Toolkit::Alignment::HorizontalCenter ) ) ) );
- Toolkit::Alignment::Type verticalAlignment( ( alignmentType & Toolkit::Alignment::VerticalTop ? Toolkit::Alignment::VerticalTop :
- ( alignmentType & Toolkit::Alignment::VerticalCenter ? Toolkit::Alignment::VerticalCenter :
- ( alignmentType & Toolkit::Alignment::VerticalBottom ? Toolkit::Alignment::VerticalBottom : Toolkit::Alignment::VerticalCenter ) ) ) );
-
- mHorizontalAlignment = horizontalAlignment;
- mVerticalAlignment = verticalAlignment;
-
- // Sets ellipsize text
- MarkupProcessor::StyledTextArray styledEllipsize;
- MarkupProcessor::GetStyledTextArray( ellipsizeText, mEllipsizeText, mMarkUpEnabled );
-}
-
-TextView::LayoutParameters::LayoutParameters( const TextView::LayoutParameters& layoutParameters )
-: mMultilinePolicy( layoutParameters.mMultilinePolicy ),
- mWidthExceedPolicy( layoutParameters.mWidthExceedPolicy ),
- mHeightExceedPolicy( layoutParameters.mHeightExceedPolicy ),
- mHorizontalAlignment( layoutParameters.mHorizontalAlignment ),
- mVerticalAlignment( layoutParameters.mVerticalAlignment ),
- mLineJustification( layoutParameters.mLineJustification ),
- mLineHeightOffset( layoutParameters.mLineHeightOffset ),
- mEllipsizeText( layoutParameters.mEllipsizeText ),
- mMarkUpEnabled( layoutParameters.mMarkUpEnabled )
-{
-}
-
-TextView::LayoutParameters& TextView::LayoutParameters::operator=( const TextView::LayoutParameters& layoutParameters )
-{
- mMultilinePolicy = layoutParameters.mMultilinePolicy;
- mWidthExceedPolicy = layoutParameters.mWidthExceedPolicy;
- mHeightExceedPolicy = layoutParameters.mHeightExceedPolicy;
- mHorizontalAlignment = layoutParameters.mHorizontalAlignment;
- mVerticalAlignment = layoutParameters.mVerticalAlignment;
- mLineJustification = layoutParameters.mLineJustification;
- mLineHeightOffset = layoutParameters.mLineHeightOffset;
- mEllipsizeText = layoutParameters.mEllipsizeText;
- mMarkUpEnabled = layoutParameters.mMarkUpEnabled;
-
- return *this;
-}
-
-TextView::VisualParameters::VisualParameters()
-: mFadeBoundary(),
- mSortModifier( 0.f ),
- mCameraScrollPosition( 0.f, 0.f ),
- mSnapshotModeEnabled( false ),
- mScrollEnabled( false ),
- mScrollPositionTrimmed( false )
-{
-}
-
-TextView::VisualParameters::VisualParameters( const VisualParameters& visualParameters )
-: mFadeBoundary( visualParameters.mFadeBoundary ),
- mSortModifier( visualParameters.mSortModifier ),
- mCameraScrollPosition( visualParameters.mCameraScrollPosition ),
- mSnapshotModeEnabled( visualParameters.mSnapshotModeEnabled ),
- mScrollEnabled( visualParameters.mScrollEnabled ),
- mScrollPositionTrimmed( visualParameters.mScrollPositionTrimmed )
-{
-}
-
-TextView::VisualParameters& TextView::VisualParameters::operator=( const TextView::VisualParameters& visualParameters )
-{
- mFadeBoundary = visualParameters.mFadeBoundary;
- mSortModifier = visualParameters.mSortModifier;
- mCameraScrollPosition = visualParameters.mCameraScrollPosition;
- mSnapshotModeEnabled = visualParameters.mSnapshotModeEnabled;
- mScrollEnabled = visualParameters.mScrollEnabled;
- mScrollPositionTrimmed = visualParameters.mScrollPositionTrimmed;
-
- return *this;
-}
-
-TextView::RelayoutData::RelayoutData()
-: mTextViewSize(),
- mShrinkFactor( 1.f ),
- mTextLayoutInfo(),
- mCharacterLogicalToVisualMap(),
- mCharacterVisualToLogicalMap(),
- mGlyphActors(),
- mCharacterLayoutInfoTable(),
- mLines(),
- mTextSizeForRelayoutOption()
-{
-}
-
-TextView::RelayoutData::RelayoutData( const TextView::RelayoutData& relayoutData )
-: mTextViewSize( relayoutData.mTextViewSize ),
- mShrinkFactor( relayoutData.mShrinkFactor ),
- mTextLayoutInfo( relayoutData.mTextLayoutInfo ),
- mCharacterLogicalToVisualMap( relayoutData.mCharacterLogicalToVisualMap ),
- mCharacterVisualToLogicalMap( relayoutData.mCharacterVisualToLogicalMap ),
- mGlyphActors( relayoutData.mGlyphActors ),
- mCharacterLayoutInfoTable( relayoutData.mCharacterLayoutInfoTable ),
- mLines( relayoutData.mLines ),
- mTextSizeForRelayoutOption( relayoutData.mTextSizeForRelayoutOption )
-{
-}
-
-TextView::RelayoutData& TextView::RelayoutData::operator=( const TextView::RelayoutData& relayoutData )
-{
- mTextViewSize = relayoutData.mTextViewSize;
- mShrinkFactor = relayoutData.mShrinkFactor;
- mTextLayoutInfo = relayoutData.mTextLayoutInfo;
- mCharacterLogicalToVisualMap = relayoutData.mCharacterLogicalToVisualMap;
- mCharacterVisualToLogicalMap = relayoutData.mCharacterVisualToLogicalMap;
- mGlyphActors = relayoutData.mGlyphActors;
- mCharacterLayoutInfoTable = relayoutData.mCharacterLayoutInfoTable;
- mLines = relayoutData.mLines;
- mTextSizeForRelayoutOption = relayoutData.mTextSizeForRelayoutOption;
-
- return *this;
-}
-
-TextView::TextView()
-: ControlImpl( false ), // doesn't require touch events
- mCurrentStyledText(),
- mTextViewProcessorOperations(),
- mLayoutParameters( Toolkit::TextView::SplitByNewLineChar,
- Toolkit::TextView::Original,
- Toolkit::TextView::Original,
- static_cast<Toolkit::Alignment::Type>( Toolkit::Alignment::HorizontalCenter | Toolkit::Alignment::VerticalCenter ),
- Toolkit::TextView::Left,
- PointSize( 0.f ),
- std::string( "..." ),
- false ),
- mVisualParameters(),
- mRelayoutData(),
- mRelayoutOperations( NO_RELAYOUT ),
- mOffscreenRootActor(),
- mOffscreenImageActor(),
- mOffscreenCameraActor(),
- mCurrentOffscreenSize(),
- mFrameBufferImage(),
- mRenderTask(),
- mPanGestureDetector(),
- mLockPreviousSnapshotMode( false ),
- mPreviousSnapshotModeEnabled( false ),
- mMarkUpEnabled( false )
-{
- TextViewProcessor::CreateWordTextInfo( mLayoutParameters.mEllipsizeText,
- mRelayoutData.mTextLayoutInfo.mEllipsizeLayoutInfo );
-}
-
-TextView::~TextView()
-{
- // Destroys offscreen rendering resources.
- DestroyOffscreenRenderingResources();
-
- // Destroys scroll pan gesture detector.
- if( mPanGestureDetector )
- {
- mPanGestureDetector.Reset();
- }
-}
-
-Vector3 TextView::GetNaturalSize()
-{
- if( !mTextViewProcessorOperations.empty() )
- {
- // There are SetText, Inserts or Removes to do. It means the current layout info is not updated.
-
- if( !mRelayoutData.mGlyphActors.empty() )
- {
- // Remove glyph-actors from the text-view as some text-operation like CreateTextInfo()
- // add them to the text-actor cache.
- TextViewRelayout::RemoveGlyphActors( GetRootActor(), mRelayoutData.mGlyphActors );
- mRelayoutData.mGlyphActors.clear();
-
- mRelayoutOperations = static_cast<RelayoutOperationMask>( mRelayoutOperations | RELAYOUT_INSERT_TO_TEXT_VIEW );
- mRelayoutOperations = static_cast<RelayoutOperationMask>( mRelayoutOperations | RELAYOUT_INSERT_TO_TEXT_ACTOR_LIST );
- }
-
- PerformTextViewProcessorOperations();
- }
-
- return Vector3( mRelayoutData.mTextLayoutInfo.mWholeTextSize.width, mRelayoutData.mTextLayoutInfo.mWholeTextSize.height, 0.f );
-}
-
-float TextView::GetHeightForWidth( float width )
-{
- float height = 0.f;
-
- if( ( Toolkit::TextView::SplitByNewLineChar == mLayoutParameters.mMultilinePolicy ) &&
- ( Toolkit::TextView::Original == mLayoutParameters.mWidthExceedPolicy ) &&
- ( Toolkit::TextView::Original == mLayoutParameters.mHeightExceedPolicy ) )
- {
- // If multiline and exceed policies are 'SplitByNewLineChar' and 'Original' is better get the height from the
- // natural size. GetNaturalSize() for this configuration is faster than DoRelayOut().
- height = GetNaturalSize().height;
- }
- else
- {
- // Check if the given width is different than the current one.
- const bool differentWidth = ( fabsf( width - mRelayoutData.mTextViewSize.width ) > Math::MACHINE_EPSILON_1000 );
-
- // Check if the text-view has glyph-actors.
- const bool hasGlyphActors = !mRelayoutData.mGlyphActors.empty();
-
- // Check which layout operations need to be done.
- const bool relayoutSizeAndPositionNeeded = ( mRelayoutOperations & RELAYOUT_SIZE_POSITION ) || differentWidth;
-
- if( relayoutSizeAndPositionNeeded )
- {
- if( hasGlyphActors )
- {
- // Remove glyph-actors from the text-view as some text-operation like CreateTextInfo()
- // add them to the text-actor cache.
- TextViewRelayout::RemoveGlyphActors( GetRootActor(), mRelayoutData.mGlyphActors );
- mRelayoutData.mGlyphActors.clear();
- }
-
- // Use the given width.
- const Vector2 textViewSize( width, GetControlSize().height );
-
- // Relays-out but doesn't add glyph-actors to the text-view.
- DoRelayOut( textViewSize, RELAYOUT_SIZE_POSITION );
- }
-
- // Retrieve the text height after relayout the text.
- height = mRelayoutData.mTextSizeForRelayoutOption.height;
-
- if( differentWidth )
- {
- // Revert the relayout operation mask
- mRelayoutOperations = static_cast<RelayoutOperationMask>( mRelayoutOperations | RELAYOUT_SIZE_POSITION );
- }
-
- if( hasGlyphActors )
- {
- mRelayoutOperations = static_cast<RelayoutOperationMask>( mRelayoutOperations | RELAYOUT_INSERT_TO_TEXT_VIEW );
- mRelayoutOperations = static_cast<RelayoutOperationMask>( mRelayoutOperations | RELAYOUT_INSERT_TO_TEXT_ACTOR_LIST );
- }
-
- if( differentWidth || hasGlyphActors )
- {
- RelayoutRequest();
- }
- }
-
- return height;
-}
-
-float TextView::GetWidthForHeight( float height )
-{
- // TODO: Needs implementing properly, for now just return the natural width.
- return GetNaturalSize().width;
-}
-
-void TextView::OnPropertySet( Property::Index index, Property::Value propertyValue )
-{
- if( index == mPropertyText )
- {
- SetText(propertyValue.Get<std::string>());
- }
- else if( index == mPropertyMultilinePolicy )
- {
- OnMultilinePolicyPropertySet(propertyValue);
- }
- else if( index == mPropertyWidthExceedPolicy )
- {
- OnWidthExceedPolicyPropertySet(propertyValue);
- }
- else if( index == mPropertyHeightExceedPolicy )
- {
- OnHeightExceedPolicyPropertySet(propertyValue);
- }
- else if( index == mPropertyLineJustification )
- {
- OnLineJustificationPropertySet(propertyValue);
- }
- else if( ( index == mPropertyFadeBoundaryLeft ) ||
- ( index == mPropertyFadeBoundaryRight ) ||
- ( index == mPropertyFadeBoundaryTop ) ||
- ( index == mPropertyFadeBoundaryBottom ) )
- {
- OnFadeBoundaryPropertySet( index, propertyValue );
- }
- else if( index == mPropertyLineHeightOffset )
- {
- Dali::PointSize pointSize( propertyValue.Get<float>() );
- SetLineHeightOffset(pointSize);
- }
- else if ( ( index == mPropertyHorizontalAlignment ) ||
- ( index == mPropertyVerticalAlignment ) )
- {
- OnAlignmentPropertySet( index, propertyValue );
- }
-}
-
-void TextView::OnInitialize()
-{
- Actor self = Self();
-
- mPropertyText = self.RegisterProperty( PROPERTY_TEXT, "", Property::READ_WRITE );
-
- mPropertyMultilinePolicy = self.RegisterProperty( PROPERTY_MULTILINE_POLICY, "SplitByNewLineChar", Property::READ_WRITE );
-
- mPropertyWidthExceedPolicy = self.RegisterProperty( PROPERTY_WIDTH_EXCEED_POLICY, "Original", Property::READ_WRITE );
-
- mPropertyHeightExceedPolicy = self.RegisterProperty( PROPERTY_HEIGHT_EXCEED_POLICY, "Original", Property::READ_WRITE );
-
- mPropertyLineJustification = self.RegisterProperty( PROPERTY_LINE_JUSTIFICATION, "Left", Property::READ_WRITE );
-
- mPropertyFadeBoundaryLeft = self.RegisterProperty( PROPERTY_FADE_BOUNDARY_LEFT, static_cast< int >( 0 ), Property::READ_WRITE );
-
- mPropertyFadeBoundaryRight = self.RegisterProperty( PROPERTY_FADE_BOUNDARY_RIGHT, static_cast< int >( 0 ), Property::READ_WRITE );
-
- mPropertyFadeBoundaryTop = self.RegisterProperty( PROPERTY_FADE_BOUNDARY_TOP, static_cast< int >( 0 ), Property::READ_WRITE );
-
- mPropertyFadeBoundaryBottom = self.RegisterProperty( PROPERTY_FADE_BOUNDARY_BOTTOM, static_cast< int >( 0 ), Property::READ_WRITE );
-
- mPropertyLineHeightOffset = self.RegisterProperty( PROPERTY_LINE_HEIGHT_OFFSET, 0.0f, Property::READ_WRITE );
-
- mPropertyHorizontalAlignment = self.RegisterProperty( PROPERTY_HORIZONTAL_ALIGNMENT, "HorizontalCenter", Property::READ_WRITE );
-
- mPropertyVerticalAlignment = self.RegisterProperty( PROPERTY_VERTICAL_ALIGNMENT, "VerticalCenter", Property::READ_WRITE );
-
-}
-
-
-void TextView::OnStyleChange( StyleChange change )
-{
- mRelayoutData.mTextLayoutInfo.mEllipsizeLayoutInfo = TextViewProcessor::WordLayoutInfo();
- TextViewProcessor::CreateWordTextInfo( mLayoutParameters.mEllipsizeText,
- mRelayoutData.mTextLayoutInfo.mEllipsizeLayoutInfo );
-
- SetText( mCurrentStyledText );
-}
-
-void TextView::OnControlSizeSet( const Vector3& size )
-{
- if( size.GetVectorXY() != mRelayoutData.mTextViewSize )
- {
- // If a GetTextLayoutInfo() or GetHeightForWidth() arrives, relayout the text synchronously is needed in order to retrieve the right values.
- mRelayoutOperations = RELAYOUT_ALL;
-
- // Request to be relaid out
- RelayoutRequest();
- }
-}
-
-void TextView::OnRelaidOut( Vector2 size, ActorSizeContainer& container )
-{
- if( ( size.width < Math::MACHINE_EPSILON_1000 ) || ( size.height < Math::MACHINE_EPSILON_1000 ) )
- {
- // Not worth to relayout if width or height is equal to zero.
- return;
- }
-
- if( size != mRelayoutData.mTextViewSize )
- {
- // if new size is different than the prevoius one, set positions and maybe sizes of all glyph-actor is needed.
- if( RELAYOUT_ALL != mRelayoutOperations )
- {
- mRelayoutOperations = static_cast<RelayoutOperationMask>( mRelayoutOperations |
- RELAYOUT_REMOVE_TEXT_ACTORS |
- RELAYOUT_SIZE_POSITION |
- RELAYOUT_ALIGNMENT |
- RELAYOUT_VISIBILITY |
- RELAYOUT_TEXT_ACTOR_UPDATE |
- RELAYOUT_INSERT_TO_TEXT_VIEW |
- RELAYOUT_INSERT_TO_TEXT_ACTOR_LIST );
- }
- }
-
- // Remove glyph-actors from text-view
- if( !mRelayoutData.mGlyphActors.empty() && ( mRelayoutOperations & RELAYOUT_REMOVE_TEXT_ACTORS ) )
- {
- TextViewRelayout::RemoveGlyphActors( GetRootActor(), mRelayoutData.mGlyphActors );
- mRelayoutData.mGlyphActors.clear();
- }
-
- if( NO_RELAYOUT != mRelayoutOperations )
- {
- // Relays-out and add glyph-actors to the text-view.
- DoRelayOut( size, mRelayoutOperations );
- ProcessSnapshot( size );
- }
-
- // Quite likely the texts of the text-actors are not going to be reused, so clear them.
- mRelayoutData.mTextActorCache.ClearTexts();
-}
-
-void TextView::PerformTextViewProcessorOperations()
-{
- // Traverse the relayout operation vector ...
-
- // Optimizes some operations.
- OptimizeTextViewProcessorOperations();
-
- for( std::vector<TextViewProcessorMetadata>::const_iterator it = mTextViewProcessorOperations.begin(), endIt = mTextViewProcessorOperations.end(); it != endIt; ++it )
- {
- const TextViewProcessorMetadata& relayoutMetadata( *it );
-
- switch( relayoutMetadata.mType )
- {
- case TextView::TextSet:
- {
- TextViewProcessor::CreateTextInfo( relayoutMetadata.mText,
- mLayoutParameters,
- mRelayoutData );
- break;
- }
- case TextView::TextInserted:
- {
- TextViewProcessor::UpdateTextInfo( relayoutMetadata.mPosition,
- relayoutMetadata.mText,
- mLayoutParameters,
- mRelayoutData );
- break;
- }
- case TextView::TextReplaced:
- {
- TextViewProcessor::UpdateTextInfo( relayoutMetadata.mPosition,
- relayoutMetadata.mNumberOfCharacters,
- relayoutMetadata.mText,
- mLayoutParameters,
- mRelayoutData );
- break;
- }
- case TextView::TextRemoved:
- {
- TextViewProcessor::UpdateTextInfo( relayoutMetadata.mPosition,
- relayoutMetadata.mNumberOfCharacters,
- mLayoutParameters,
- mRelayoutData,
- TextViewProcessor::CLEAR_TEXT ); // clears the text of the text-actors.
- break;
- }
- case TextView::NewLineHeight:
- {
- TextViewProcessor::UpdateTextInfo( mLayoutParameters.mLineHeightOffset,
- mRelayoutData.mTextLayoutInfo );
- break;
- }
- case TextView::NewStyle:
- {
- TextViewProcessor::UpdateTextInfo( ( *relayoutMetadata.mText.begin() ).mStyle,
- relayoutMetadata.mStyleMask,
- mRelayoutData );
- break;
- }
- }
- }
-
- // Clear all operations when they are done.
- mTextViewProcessorOperations.clear();
-}
-
-void TextView::OptimizeTextViewProcessorOperations()
-{
- // TODO: check if some operation can be discarted. i.e. InsertTextAt( 0, "a" ); RemoveTextFrom( 0, 1 );
-
- // At the moment it only replaces a 'remove 1 character' followed by 'insert 1 character' in the same position by a 'replace' operation.
- // This sequence is used by text-input with predictive text. Change this two operations by a replace allows the text-view processor to
- // use the cache without clearing the text-actors.
-
- std::vector<TextViewProcessorMetadata> textViewProcessorOperations;
-
- for( std::vector<TextViewProcessorMetadata>::const_iterator it = mTextViewProcessorOperations.begin(), endIt = mTextViewProcessorOperations.end(); it != endIt; ++it )
- {
- const TextViewProcessorMetadata& relayoutMetadata( *it );
-
- switch( relayoutMetadata.mType )
- {
- case TextView::TextRemoved:
- {
- bool optimizationDone = false;
-
- if( it + 1 != endIt )
- {
- const TextViewProcessorMetadata& nextRelayoutMetadata( *( it + 1 ) );
- if( TextView::TextInserted == nextRelayoutMetadata.mType )
- {
- if( relayoutMetadata.mPosition == nextRelayoutMetadata.mPosition )
- {
- optimizationDone = true;
- TextViewProcessorMetadata newRelayoutMetadata;
- newRelayoutMetadata.mType = TextView::TextReplaced;
- newRelayoutMetadata.mPosition = relayoutMetadata.mPosition;
- newRelayoutMetadata.mNumberOfCharacters = relayoutMetadata.mNumberOfCharacters;
- newRelayoutMetadata.mText = nextRelayoutMetadata.mText;
- textViewProcessorOperations.push_back( newRelayoutMetadata );
-
- // do not access the TextInserted operation in next iteration.
- ++it;
- }
- }
- }
-
- if( !optimizationDone )
- {
- textViewProcessorOperations.push_back( relayoutMetadata );
- }
- break;
- }
- default:
- {
- textViewProcessorOperations.push_back( relayoutMetadata );
- }
- }
- }
-
- mTextViewProcessorOperations = textViewProcessorOperations;
-}
-
-void TextView::DoRelayOut( const Size& textViewSize, const RelayoutOperationMask relayoutOperationMask )
-{
- // Traverse the relayout operation vector. It fills the natural size, layout and glyph-actor data structures.
- if( !mTextViewProcessorOperations.empty() )
- {
- PerformTextViewProcessorOperations();
- }
-
- CombineExceedPolicies();
-
- Actor rootActor;
- if( mVisualParameters.mSnapshotModeEnabled )
- {
- rootActor = mOffscreenRootActor;
- }
- else
- {
- rootActor = Self();
- }
-
- mRelayoutData.mTextViewSize = textViewSize;
- switch( mLayoutParameters.mMultilinePolicy )
- {
- case Toolkit::TextView::SplitByNewLineChar: // multiline policy == SplitByNewLineChar.
- {
- SplitByNewLineChar::Relayout( rootActor, relayoutOperationMask, mLayoutParameters, mVisualParameters, mRelayoutData );
- break;
- } // SplitByNewLineChar
-
- case Toolkit::TextView::SplitByWord: // multiline policy == SplitByWord.
- {
- SplitByWord::Relayout( rootActor, relayoutOperationMask, mLayoutParameters, mVisualParameters, mRelayoutData );
- break;
- } // SplitByWord
-
- case Toolkit::TextView::SplitByChar: // multiline policy == SplitByChar.
- {
- SplitByChar::Relayout( rootActor, relayoutOperationMask, mLayoutParameters, mVisualParameters, mRelayoutData );
- break;
- } // SplitByChar
- } // switch( mMultilinePolicy )
-
- // Remove done operations from the mask.
- mRelayoutOperations = static_cast<RelayoutOperationMask>( mRelayoutOperations & ~relayoutOperationMask );
-}
-
-void TextView::ProcessSnapshot( const Size& textViewSize )
-{
- if( mVisualParameters.mSnapshotModeEnabled )
- {
- // If layout options change, it's needed generate a new image.
-
- if( mOffscreenRootActor )
- {
- // Set the root actor visible.
- // The root actor is set to non visible after the render task is processed.
- mOffscreenRootActor.SetVisible( true );
-
- // The offscreen root actor must have same size as text view. Otherwise, text alignment won't work.
- mOffscreenRootActor.SetSize( textViewSize );
- }
-
- if( ( mRelayoutData.mTextSizeForRelayoutOption.width > Math::MACHINE_EPSILON_1000 ) &&
- ( mRelayoutData.mTextSizeForRelayoutOption.height > Math::MACHINE_EPSILON_1000 ) )
- {
- // Set the image actor visible.
- // The image actor is set to non visible if there is no text to render.
- mOffscreenImageActor.SetVisible( true );
-
- // Calculates the offscreen image's size. It takes into account different points:
- // * If text has italics, add a small offset is needed in order to not to cut the text next to the right edge.
- // * There is a maximum texture size the graphic subsystem can load on the memory.
- // * If the scroll is enabled, the offscreen image's size is never bigger than the text-view's size.
-
- const Size offscreenSize( std::min( MAX_OFFSCREEN_RENDERING_SIZE,
- mVisualParameters.mScrollEnabled ? textViewSize.width : std::max( mRelayoutData.mTextSizeForRelayoutOption.width, textViewSize.width ) + mRelayoutData.mTextLayoutInfo.mMaxItalicsOffset ),
- std::min( MAX_OFFSCREEN_RENDERING_SIZE,
- mVisualParameters.mScrollEnabled ? textViewSize.height : std::max( mRelayoutData.mTextSizeForRelayoutOption.height, textViewSize.height ) ) );
-
- const bool sizeChanged = offscreenSize != mCurrentOffscreenSize;
-
- if( sizeChanged )
- {
- // Creates a frame buffer for offscreen rendering when the size is negotiated.
- mFrameBufferImage = FrameBufferImage::New( offscreenSize.width,
- offscreenSize.height,
- Pixel::RGBA8888 );
-
- // Stores current text-view size to avoid create new Dali resources if text changes.
- mCurrentOffscreenSize = offscreenSize;
-
- if( !mOffscreenCameraActor )
- {
- // Creates a new camera actor.
- mOffscreenCameraActor = CameraActor::New();
- mOffscreenCameraActor.SetParentOrigin( ParentOrigin::CENTER );
- mOffscreenCameraActor.SetAnchorPoint( AnchorPoint::CENTER );
- mOffscreenCameraActor.SetRotation(Degree(180.f), Vector3::YAXIS);
-
- mOffscreenCameraActor.SetType( Dali::Camera::FREE_LOOK ); // Inherits position from the offscreen root actor.
-
- mOffscreenRootActor.Add( mOffscreenCameraActor ); // camera to shoot the offscreen text
- }
-
- // Calculate camera parameters for current text size.
- mOffscreenCameraActor.SetOrthographicProjection( offscreenSize );
- }
-
- if( mVisualParameters.mScrollEnabled )
- {
- // Updates the offscreen camera position with the new scroll offset.
- mOffscreenCameraActor.SetX( mVisualParameters.mCameraScrollPosition.x );
- mOffscreenCameraActor.SetY( mVisualParameters.mCameraScrollPosition.y );
- }
- else
- {
- // Text's size could be bigger than text-view's size. In that case the camera must be aligned to cover the whole text.
- AlignOffscreenCameraActor( textViewSize, offscreenSize );
- }
-
- if( !mRenderTask )
- {
- // Creates a new render task.
- mRenderTask = Stage::GetCurrent().GetRenderTaskList().CreateTask();
-
- mRenderTask.SetSourceActor( mOffscreenRootActor );
- mRenderTask.SetInputEnabled( false );
- mRenderTask.SetClearColor( Color::TRANSPARENT );
- mRenderTask.SetClearEnabled( true );
- mRenderTask.SetExclusive( true );
-
- // Connects the signal to the TextView::RenderTaskFinished method in order to make the root actor non visible when the render task is processed.
- mRenderTask.FinishedSignal().Connect( this, &TextView::RenderTaskFinished );
- }
-
- if( sizeChanged )
- {
- mRenderTask.SetCameraActor( mOffscreenCameraActor );
- mRenderTask.SetTargetFrameBuffer( mFrameBufferImage );
- }
-
- // Process the render task only once every time the text changes or the text-view's size canges.
- mRenderTask.SetRefreshRate( RenderTask::REFRESH_ONCE );
- }
- else
- {
- // If there is no text just make any previous generated image invisible instead to process a render task with no text.
- mOffscreenImageActor.SetVisible( false );
- }
- }
-}
-
-void TextView::AlignOffscreenCameraActor( const Size& textViewSize, const Size& offscreenSize )
-{
- float xPosition = 0.f;
- float yPosition = 0.f;
- Vector3 parentOrigin = ParentOrigin::CENTER;
- Vector3 anchorPoint = AnchorPoint::CENTER;
-
- switch( mLayoutParameters.mHorizontalAlignment )
- {
- case Toolkit::Alignment::HorizontalLeft:
- {
- xPosition = 0.5f * ( offscreenSize.width - textViewSize.width );
- parentOrigin.x = 0.f;
- anchorPoint.x = 0.f;
- break;
- }
- case Toolkit::Alignment::HorizontalCenter:
- {
- // nothing to do.
- break;
- }
- case Toolkit::Alignment::HorizontalRight:
- {
- xPosition = 0.5f * ( textViewSize.width - offscreenSize.width );
- parentOrigin.x = 1.f;
- anchorPoint.x = 1.f;
- break;
- }
- default:
- {
- DALI_ASSERT_ALWAYS( !"TextView::AlignOffscreenCameraActor: Invalid alignment option." )
- }
- }
-
- switch( mLayoutParameters.mVerticalAlignment )
- {
- case Toolkit::Alignment::VerticalTop:
- {
- yPosition = 0.5f * ( offscreenSize.height - textViewSize.height );
- parentOrigin.y = 0.f;
- anchorPoint.y = 0.f;
- break;
- }
- case Toolkit::Alignment::VerticalCenter:
- {
- // nothing to do.
- break;
- }
- case Toolkit::Alignment::VerticalBottom:
- {
- yPosition = 0.5f * ( textViewSize.height - offscreenSize.height );
- parentOrigin.y = 1.f;
- anchorPoint.y = 1.f;
- break;
- }
- default:
- {
- DALI_ASSERT_ALWAYS( !"TextView::AlignOffscreenCameraActor: Invalid alignment option." )
- }
- }
-
- mOffscreenCameraActor.SetX( xPosition );
- mOffscreenCameraActor.SetY( yPosition );
-
- mOffscreenImageActor.SetParentOrigin( parentOrigin );
- mOffscreenImageActor.SetAnchorPoint( anchorPoint );
-}
-
-void TextView::RenderTaskFinished( Dali::RenderTask& renderTask )
-{
- // not to process the offscreen root actor by setting its visibility to false.
- mOffscreenRootActor.SetVisible( false );
-
- // Sets the new size and the new frame buffer to the image actor.
- // Image actor must have same size as text. Otherwise text can be truncated.
- mOffscreenImageActor.SetSize( mCurrentOffscreenSize );
- mOffscreenImageActor.SetImage( mFrameBufferImage );
-}
-
-void TextView::DestroyOffscreenRenderingResources()
-{
- if( mRenderTask )
- {
- mRenderTask.FinishedSignal().Disconnect( this, &TextView::RenderTaskFinished );
-
- if( Stage::IsInstalled() )
- {
- Stage::GetCurrent().GetRenderTaskList().RemoveTask( mRenderTask );
- }
-
- mRenderTask.Reset();
- }
-
- // Remove and reset the root actor, image actor and camera actor as text-view is not rendering offscreen.
- if( mOffscreenCameraActor )
- {
- mOffscreenRootActor.Remove( mOffscreenCameraActor );
-
- mOffscreenCameraActor.Reset();
- }
-
- if( mOffscreenRootActor )
- {
- mOffscreenRootActor.Reset();
- }
-
- if( mOffscreenImageActor )
- {
- mOffscreenImageActor.Reset();
- }
-
- mCurrentOffscreenSize = Size( 0.f, 0.f );
-
- if( mFrameBufferImage )
- {
- mFrameBufferImage.Reset();
- }
-}
-
-void TextView::OnTextPan( Actor actor, PanGesture gesture )
-{
- if( 1u == gesture.numberOfTouches )
- {
- DoSetScrollPosition( mVisualParameters.mCameraScrollPosition - gesture.displacement );
- }
-}
-
-void TextView::TrimScrollPosition()
-{
- const Vector3& textViewSize = GetControlSize();
-
- // Before use the text's size, relayout the text is needed to get the actual text size.
- GetTextLayoutInfo();
-
- // Calculates the range within the text could be scrolled. (When the text is aligned in the center).
- float maxHorizontalDisplacement = std::max( 0.f, 0.5f * ( mRelayoutData.mTextSizeForRelayoutOption.width - textViewSize.width ) );
- float maxVerticalDisplacement = std::max( 0.f, 0.5f * ( mRelayoutData.mTextSizeForRelayoutOption.height - textViewSize.height ) );
- float minHorizontalDisplacement = -maxHorizontalDisplacement;
- float minVerticalDisplacement = -maxVerticalDisplacement;
-
- // Updates the range if the text is aligned on the right or left.
- switch( mLayoutParameters.mHorizontalAlignment )
- {
- case Toolkit::Alignment::HorizontalLeft:
- {
- maxHorizontalDisplacement *= 2.f;
- minHorizontalDisplacement = 0.f;
- break;
- }
- case Toolkit::Alignment::HorizontalCenter:
- {
- // nothing to do.
- break;
- }
- case Toolkit::Alignment::HorizontalRight:
- {
- maxHorizontalDisplacement = 0.f;
- minHorizontalDisplacement *= 2.f;
- break;
- }
- default:
- {
- DALI_ASSERT_ALWAYS( !"TextView::TrimScrollPosition: Invalid alignment option." )
- }
- }
-
- // Updates the range if the text is aligned on the top or bottom.
- switch( mLayoutParameters.mVerticalAlignment )
- {
- case Toolkit::Alignment::VerticalTop:
- {
- maxVerticalDisplacement *= 2.f;
- minVerticalDisplacement = 0.f;
- break;
- }
- case Toolkit::Alignment::VerticalCenter:
- {
- //nothing to do
- break;
- }
- case Toolkit::Alignment::VerticalBottom:
- {
- maxVerticalDisplacement = 0.f;
- minVerticalDisplacement *= 2.f;
- break;
- }
- default:
- {
- DALI_ASSERT_ALWAYS( !"TextView::TrimScrollPosition: Invalid alignment option." )
- }
- }
-
- // Trims the scroll position to be within the range.
- mVisualParameters.mCameraScrollPosition.x = std::min( maxHorizontalDisplacement, mVisualParameters.mCameraScrollPosition.x );
- mVisualParameters.mCameraScrollPosition.x = std::max( minHorizontalDisplacement, mVisualParameters.mCameraScrollPosition.x );
-
- mVisualParameters.mCameraScrollPosition.y = std::min( maxVerticalDisplacement, mVisualParameters.mCameraScrollPosition.y );
- mVisualParameters.mCameraScrollPosition.y = std::max( minVerticalDisplacement, mVisualParameters.mCameraScrollPosition.y );
-}
-
-void TextView::DoSetScrollPosition( const Vector2& position )
-{
- // Stores old scroll position.
- Vector2 delta( mVisualParameters.mCameraScrollPosition );
-
- // Updates the scroll position
- mVisualParameters.mCameraScrollPosition = position;
-
- // Ensures the text-view is covered with text.
- TrimScrollPosition();
-
- // Calculate the difference with the previous scroll position
- delta.x = mVisualParameters.mCameraScrollPosition.x - delta.x;
- delta.y = mVisualParameters.mCameraScrollPosition.y - delta.y;
-
- if( mOffscreenRootActor )
- {
- // If there is a render-task it needs to be refreshed. Therefore glyph-actors need to be
- // set to visible.
- mOffscreenRootActor.SetVisible( true );
- }
-
- if( mOffscreenCameraActor )
- {
- // Update the offscreen camera with the new scroll position.
- mOffscreenCameraActor.SetX( mVisualParameters.mCameraScrollPosition.x );
- mOffscreenCameraActor.SetY( mVisualParameters.mCameraScrollPosition.y );
- }
-
- if( mRenderTask )
- {
- // Refresh the render-task.
- mRenderTask.SetRefreshRate( RenderTask::REFRESH_ONCE );
- }
-
- // Emit the signal.
- Toolkit::TextView handle( GetOwner() );
- mScrolledSignalV2.Emit( handle, delta );
-}
-
-void TextView::CombineExceedPolicies()
-{
- // Calculates the combination of exceed policies.
-
- switch( mLayoutParameters.mWidthExceedPolicy )
- {
- case Toolkit::TextView::Original:
- {
- switch( mLayoutParameters.mHeightExceedPolicy )
- {
- case Toolkit::TextView::Original:
- {
- mLayoutParameters.mExceedPolicy = Original;
- break;
- }
- case Toolkit::TextView::Fade:
- {
- mLayoutParameters.mExceedPolicy = OriginalFade;
- break;
- }
- case Toolkit::TextView::ShrinkToFit:
- {
- mLayoutParameters.mExceedPolicy = OriginalShrink;
- break;
- }
- default:
- {
- DALI_ASSERT_ALWAYS( !"TextView::CombineExceedPolicies() Invalid width and height exceed policies combination" );
- }
- }
- break;
- }
- case Toolkit::TextView::Split:
- {
- switch( mLayoutParameters.mHeightExceedPolicy )
- {
- case Toolkit::TextView::Original:
- {
- mLayoutParameters.mExceedPolicy = SplitOriginal;
- break;
- }
- case Toolkit::TextView::Fade:
- {
- mLayoutParameters.mExceedPolicy = SplitFade;
- break;
- }
- case Toolkit::TextView::ShrinkToFit:
- {
- mLayoutParameters.mExceedPolicy = SplitShrink;
- break;
- }
- default:
- {
- DALI_ASSERT_ALWAYS( !"TextView::CombineExceedPolicies() Invalid width and height exceed policies combination" );
- }
- }
- break;
- }
- case Toolkit::TextView::Fade:
- {
- switch( mLayoutParameters.mHeightExceedPolicy )
- {
- case Toolkit::TextView::Original:
- {
- mLayoutParameters.mExceedPolicy = FadeOriginal;
- break;
- }
- case Toolkit::TextView::Fade:
- {
- mLayoutParameters.mExceedPolicy = Fade;
- break;
- }
- default:
- {
- DALI_ASSERT_ALWAYS( !"TextView::CombineExceedPolicies() Invalid width and height exceed policies combination" );
- }
- }
- break;
- }
- case Toolkit::TextView::ShrinkToFit:
- {
- switch( mLayoutParameters.mHeightExceedPolicy )
- {
- case Toolkit::TextView::Original:
- {
- mLayoutParameters.mExceedPolicy = ShrinkOriginal;
- break;
- }
- case Toolkit::TextView::Fade:
- {
- mLayoutParameters.mExceedPolicy = ShrinkFade;
- break;
- }
- case Toolkit::TextView::ShrinkToFit:
- {
- mLayoutParameters.mExceedPolicy = Shrink;
- break;
- }
- default:
- {
- DALI_ASSERT_ALWAYS( !"TextView::CombineExceedPolicies() Invalid width and height exceed policies combination" );
- }
- }
- break;
- }
- case Toolkit::TextView::EllipsizeEnd:
- {
- switch( mLayoutParameters.mHeightExceedPolicy )
- {
- case Toolkit::TextView::Original:
- {
- mLayoutParameters.mExceedPolicy = EllipsizeEndOriginal;
- break;
- }
- case Toolkit::TextView::EllipsizeEnd:
- {
- mLayoutParameters.mExceedPolicy = EllipsizeEnd;
- break;
- }
- default:
- {
- DALI_ASSERT_ALWAYS( !"TextView::CombineExceedPolicies() Invalid width and height exceed policies combination" );
- }
- }
- break;
- }
- default:
- {
- DALI_ASSERT_ALWAYS( !"TextView::CombineExceedPolicies() Invalid width exceed policy" );
- }
- }
-}
-
-Actor TextView::GetRootActor() const
-{
- // Get the root actor, if text-view was rendering offscreen, or the text-view itself.
-
- Actor rootActor;
-
- if( mVisualParameters.mSnapshotModeEnabled )
- {
- rootActor = mOffscreenRootActor;
- }
- else
- {
- rootActor = Self();
- }
-
- return rootActor;
-}
-
-void TextView::OnMultilinePolicyPropertySet( Property::Value propertyValue )
-{
- std::string policyName( propertyValue.Get<std::string>() );
- if(policyName == "SplitByNewLineChar")
- {
- SetMultilinePolicy(Toolkit::TextView::SplitByNewLineChar);
- }
- else if(policyName == "SplitByWord")
- {
- SetMultilinePolicy(Toolkit::TextView::SplitByWord);
- }
- else if(policyName == "SplitByChar")
- {
- SetMultilinePolicy(Toolkit::TextView::SplitByChar);
- }
- else
- {
- DALI_ASSERT_ALWAYS( !"TextView::OnMultilinePolicyPropertySet(). Invalid Property value." );
- }
-}
-
-void TextView::OnWidthExceedPolicyPropertySet( Property::Value propertyValue )
-{
- std::string policyName( propertyValue.Get<std::string>() );
- if(policyName == "Original")
- {
- SetWidthExceedPolicy(Toolkit::TextView::Original);
- }
- else if(policyName == "Truncate")
- {
- SetWidthExceedPolicy(Toolkit::TextView::Truncate);
- }
- else if(policyName == "Fade")
- {
- SetWidthExceedPolicy(Toolkit::TextView::Fade);
- }
- else if(policyName == "Split")
- {
- SetWidthExceedPolicy(Toolkit::TextView::Split);
- }
- else if(policyName == "ShrinkToFit")
- {
- SetWidthExceedPolicy(Toolkit::TextView::ShrinkToFit);
- }
- else if(policyName == "EllipsizeEnd")
- {
- SetWidthExceedPolicy(Toolkit::TextView::EllipsizeEnd);
- }
- else
- {
- DALI_ASSERT_ALWAYS( !"TextView::OnWidthExceedPolicyPropertySet(). Invalid Property value." );
- }
-}
-
-void TextView::OnHeightExceedPolicyPropertySet( Property::Value propertyValue )
-{
- std::string policyName( propertyValue.Get<std::string>() );
- if(policyName == "Original")
- {
- SetHeightExceedPolicy(Toolkit::TextView::Original);
- }
- else if(policyName == "Truncate")
- {
- SetHeightExceedPolicy(Toolkit::TextView::Truncate);
- }
- else if(policyName == "Fade")
- {
- SetHeightExceedPolicy(Toolkit::TextView::Fade);
- }
- else if(policyName == "Split")
- {
- SetHeightExceedPolicy(Toolkit::TextView::Split);
- }
- else if(policyName == "ShrinkToFit")
- {
- SetHeightExceedPolicy(Toolkit::TextView::ShrinkToFit);
- }
- else
- {
- DALI_ASSERT_ALWAYS( !"TextView::OnHeightExceedPolicyPropertySet(). Invalid Property value." );
- }
-}
-
-void TextView::OnLineJustificationPropertySet( Property::Value propertyValue )
-{
- std::string policyName( propertyValue.Get<std::string>() );
- if(policyName == "Left")
- {
- SetLineJustification(Toolkit::TextView::Left);
- }
- else if(policyName == "Center")
- {
- SetLineJustification(Toolkit::TextView::Center);
- }
- else if(policyName == "Right")
- {
- SetLineJustification(Toolkit::TextView::Right);
- }
- else if(policyName == "Justified")
- {
- SetLineJustification(Toolkit::TextView::Justified);
- }
- else
- {
- DALI_ASSERT_ALWAYS( !"TextView::OnLineJustificationPropertySet(). Invalid Property value." );
- }
-}
-
-void TextView::OnFadeBoundaryPropertySet( Property::Index propertyIndex, Property::Value propertyValue )
-{
- PixelSize boundary( propertyValue.Get<unsigned int>() );
-
- if ( propertyIndex == mPropertyFadeBoundaryLeft )
- {
- mVisualParameters.mFadeBoundary.mLeft = boundary;
- }
- else if ( propertyIndex == mPropertyFadeBoundaryRight )
- {
- mVisualParameters.mFadeBoundary.mRight = boundary;
- }
- else if ( propertyIndex == mPropertyFadeBoundaryTop )
- {
- mVisualParameters.mFadeBoundary.mTop = boundary;
- }
- else if ( propertyIndex == mPropertyFadeBoundaryBottom )
- {
- mVisualParameters.mFadeBoundary.mBottom = boundary;
- }
- else
- {
- DALI_ASSERT_ALWAYS( !"TextView::OnFadeBoundaryPropertySet(). Invalid Property value." );
- }
-}
-
-void TextView::OnAlignmentPropertySet( Property::Index propertyIndex, Property::Value propertyValue )
-{
- std::string value( propertyValue.Get<std::string>() );
-
- if( propertyIndex == mPropertyHorizontalAlignment )
- {
- if(value == "HorizontalLeft")
- {
- mLayoutParameters.mHorizontalAlignment = Toolkit::Alignment::HorizontalLeft;
- }
- else if( value == "HorizontalCenter")
- {
- mLayoutParameters.mHorizontalAlignment = Toolkit::Alignment::HorizontalCenter;
- }
- else if( value == "HorizontalRight")
- {
- mLayoutParameters.mHorizontalAlignment = Toolkit::Alignment::HorizontalRight;
- }
- else
- {
- DALI_ASSERT_ALWAYS( !"TextView::OnAlignmentPropertySet(). Invalid Property value." );
- }
- }
- else if( propertyIndex == mPropertyVerticalAlignment )
- {
- if( value == "VerticalTop" )
- {
- mLayoutParameters.mVerticalAlignment = Toolkit::Alignment::VerticalTop;
- }
- else if( value == "VerticalCenter")
- {
- mLayoutParameters.mVerticalAlignment = Toolkit::Alignment::VerticalCenter;
- }
- else if( value == "VerticalBottom")
- {
- mLayoutParameters.mVerticalAlignment = Toolkit::Alignment::VerticalBottom;
- }
- else
- {
- DALI_ASSERT_ALWAYS( !"TextView::OnAlignmentPropertySet(). Invalid Property value." );
- }
- }
-}
-
-void TextView::SetProperty( BaseObject* object, Property::Index index, const Property::Value& value )
-{
- Toolkit::TextView textView = Toolkit::TextView::DownCast( Dali::BaseHandle( object ) );
-
- if ( textView && ( index == Toolkit::TextView::PROPERTY_MARKUP_ENABLED ) )
- {
- Internal::TextView& textViewImpl( GetImpl( textView ) );
- bool newValue( value.Get<bool>() );
- textViewImpl.SetMarkupProcessingEnabled( newValue );
- if( newValue )
- {
- const std::string& currentText( textViewImpl.GetText() );
- if( ! currentText.empty() )
- {
- textViewImpl.SetText( currentText );
- }
- }
- }
-}
-
-Property::Value TextView::GetProperty( BaseObject* object, Property::Index propertyIndex )
-{
- Toolkit::TextView textView = Toolkit::TextView::DownCast( Dali::BaseHandle( object ) );
-
- if ( textView && ( propertyIndex == Toolkit::TextView::PROPERTY_MARKUP_ENABLED ) )
- {
- return Property::Value( GetImpl( textView ).mMarkUpEnabled );
- }
-
- return Property::Value();
-}
-
-} // namespace Internal
-
-} // namespace Toolkit
-
-} // namespace Dali
projects / platform / core / uifw / dali-toolkit.git / blobdiff