// CLASS HEADER
#include <dali-toolkit/internal/text/text-controller.h>
+// EXTERNAL INCLUDES
+#include <limits>
+#include <memory.h>
+#include <dali/public-api/adaptor-framework/key.h>
+#include <dali/integration-api/debug.h>
+#include <dali/devel-api/adaptor-framework/clipboard-event-notifier.h>
+
// INTERNAL INCLUDES
+#include <dali-toolkit/internal/text/bidirectional-support.h>
#include <dali-toolkit/internal/text/character-set-conversion.h>
-#include <dali-toolkit/internal/text/layouts/layout-engine.h>
#include <dali-toolkit/internal/text/layouts/layout-parameters.h>
-#include <dali-toolkit/internal/text/logical-model.h>
-#include <dali-toolkit/internal/text/multi-language-support.h>
-#include <dali-toolkit/internal/text/script-run.h>
-#include <dali-toolkit/internal/text/segmentation.h>
-#include <dali-toolkit/internal/text/shaper.h>
-#include <dali-toolkit/internal/text/text-view.h>
-#include <dali-toolkit/internal/text/visual-model.h>
+#include <dali-toolkit/internal/text/markup-processor.h>
+#include <dali-toolkit/internal/text/text-controller-impl.h>
-// EXTERNAL INCLUDES
-#include <limits>
-#include <vector>
-#include <dali/public-api/adaptor-framework/key.h>
-#include <dali/public-api/text-abstraction/font-client.h>
+namespace
+{
-using std::vector;
+#if defined(DEBUG_ENABLED)
+ Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
+#endif
+
+const float MAX_FLOAT = std::numeric_limits<float>::max();
+const unsigned int POINTS_PER_INCH = 72;
+
+const std::string EMPTY_STRING("");
+
+float ConvertToEven( float value )
+{
+ int intValue(static_cast<int>( value ));
+ return static_cast<float>(intValue % 2 == 0) ? intValue : (intValue + 1);
+}
+
+} // namespace
namespace Dali
{
namespace Text
{
-struct Controller::TextInput
+/**
+ * @brief Adds a new font description run for the selected text.
+ *
+ * The new font parameters are added after the call to this method.
+ *
+ * @param[in] eventData The event data pointer.
+ * @param[in] logicalModel The logical model where to add the new font description run.
+ * @param[out] startOfSelectedText Index to the first selected character.
+ * @param[out] lengthOfSelectedText Number of selected characters.
+ */
+FontDescriptionRun& UpdateSelectionFontStyleRun( EventData* eventData,
+ LogicalModelPtr logicalModel,
+ CharacterIndex& startOfSelectedText,
+ Length& lengthOfSelectedText )
{
- // Used to queue input events until DoRelayout()
- enum EventType
- {
- KEYBOARD_FOCUS_GAIN_EVENT,
- KEYBOARD_FOCUS_LOST_EVENT,
- KEY_EVENT,
- TAP_EVENT,
- GRAB_HANDLE_EVENT
- };
+ const bool handlesCrossed = eventData->mLeftSelectionPosition > eventData->mRightSelectionPosition;
- union Param
- {
- int mInt;
- unsigned int mUint;
- float mFloat;
- char* mString;
- };
+ // Get start and end position of selection
+ startOfSelectedText = handlesCrossed ? eventData->mRightSelectionPosition : eventData->mLeftSelectionPosition;
+ lengthOfSelectedText = ( handlesCrossed ? eventData->mLeftSelectionPosition : eventData->mRightSelectionPosition ) - startOfSelectedText;
- struct Event
- {
- Event( EventType eventType )
- : type( eventType )
- {
- p1.mInt = 0;
- p2.mInt = 0;
- }
+ // Add the font run.
+ const VectorBase::SizeType numberOfRuns = logicalModel->mFontDescriptionRuns.Count();
+ logicalModel->mFontDescriptionRuns.Resize( numberOfRuns + 1u );
- EventType type;
- Param p1;
- Param p2;
- Param p3;
- };
+ FontDescriptionRun& fontDescriptionRun = *( logicalModel->mFontDescriptionRuns.Begin() + numberOfRuns );
- enum State
- {
- INACTIVE,
- SELECTING,
- EDITING
- };
+ fontDescriptionRun.characterRun.characterIndex = startOfSelectedText;
+ fontDescriptionRun.characterRun.numberOfCharacters = lengthOfSelectedText;
+
+ // Recalculate the selection highlight as the metrics may have changed.
+ eventData->mUpdateLeftSelectionPosition = true;
+ eventData->mUpdateRightSelectionPosition = true;
- TextInput( LogicalModelPtr logicalModel,
- VisualModelPtr visualModel,
- DecoratorPtr decorator )
- : mLogicalModel( logicalModel ),
- mVisualModel( visualModel ),
- mDecorator( decorator ),
- mState( INACTIVE )
+ return fontDescriptionRun;
+}
+
+ControllerPtr Controller::New( ControlInterface& controlInterface )
+{
+ return ControllerPtr( new Controller( controlInterface ) );
+}
+
+void Controller::EnableTextInput( DecoratorPtr decorator )
+{
+ if( NULL == mImpl->mEventData )
{
+ mImpl->mEventData = new EventData( decorator );
}
+}
- /**
- * @brief Helper to move the cursor, grab handle etc.
- */
- bool ProcessInputEvents()
- {
- mDecoratorUpdated = false;
+void Controller::SetGlyphType( TextAbstraction::GlyphType glyphType )
+{
+ // Metrics for bitmap & vector based glyphs are different
+ mImpl->mMetrics->SetGlyphType( glyphType );
- if( mDecorator )
- {
- for( vector<TextInput::Event>::iterator iter = mEventQueue.begin(); iter != mEventQueue.end(); ++iter )
- {
- switch( iter->type )
- {
- case KEYBOARD_FOCUS_GAIN_EVENT:
- {
- OnKeyboardFocus( true );
- break;
- }
- case KEYBOARD_FOCUS_LOST_EVENT:
- {
- OnKeyboardFocus( false );
- break;
- }
- case KEY_EVENT:
- {
- OnKeyEvent( *iter );
- break;
- }
- case TAP_EVENT:
- {
- OnTapEvent( *iter );
- break;
- }
- case GRAB_HANDLE_EVENT:
- {
- OnGrabHandleEvent( *iter );
- break;
- }
- }
- }
- }
+ // Clear the font-specific data
+ ClearFontData();
- mEventQueue.clear();
+ mImpl->RequestRelayout();
+}
- return mDecoratorUpdated;
- }
+void Controller::SetMarkupProcessorEnabled( bool enable )
+{
+ mImpl->mMarkupProcessorEnabled = enable;
+}
- void OnKeyboardFocus( bool hasFocus )
- {
- }
+bool Controller::IsMarkupProcessorEnabled() const
+{
+ return mImpl->mMarkupProcessorEnabled;
+}
- void OnKeyEvent( const Event& event )
- {
- int keyCode = event.p1.mInt;
+void Controller::SetAutoScrollEnabled( bool enable )
+{
+ DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled[%s] SingleBox[%s]-> [%p]\n", (enable)?"true":"false", ( mImpl->mLayoutEngine.GetLayout() == LayoutEngine::SINGLE_LINE_BOX)?"true":"false", this );
- // Handle state changes
- if( Dali::DALI_KEY_ESCAPE == keyCode )
- {
- ChangeState( INACTIVE ); // Escape key ends edit mode
- }
- else if ( event.p2.mString )
+ if ( mImpl->mLayoutEngine.GetLayout() == LayoutEngine::SINGLE_LINE_BOX )
+ {
+ if ( enable )
{
- // Some text may be selected, hiding keyboard causes an empty keystring to be sent, we don't want to delete highlight in this case
- ChangeState( EDITING );
- }
+ DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled for SINGLE_LINE_BOX\n" );
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
+ LAYOUT |
+ ALIGN |
+ UPDATE_ACTUAL_SIZE |
+ UPDATE_DIRECTION |
+ REORDER );
- // Handle the actual key event
- if( Dali::DALI_KEY_BACKSPACE == keyCode )
- {
- HandleBackspaceKey();
}
- else if( Dali::DALI_KEY_CURSOR_LEFT == keyCode ||
- Dali::DALI_KEY_CURSOR_RIGHT == keyCode ||
- Dali::DALI_KEY_CURSOR_UP == keyCode ||
- Dali::DALI_KEY_CURSOR_DOWN == keyCode )
+ else
{
- HandleCursorKey( keyCode );
+ DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled Disabling autoscroll\n");
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
+ LAYOUT |
+ ALIGN |
+ UPDATE_ACTUAL_SIZE |
+ REORDER );
}
- else if ( event.p2.mString )
- {
- HandleKeyString( event.p2.mString );
-
- delete [] event.p2.mString;
- }
- }
- void HandleBackspaceKey()
- {
- // TODO
- }
-
- void HandleCursorKey( int keyCode )
- {
- // TODO
+ mImpl->mAutoScrollEnabled = enable;
+ mImpl->RequestRelayout();
}
-
- void HandleKeyString( const char* keyString )
+ else
{
- // TODO
+ DALI_LOG_WARNING( "Attempted AutoScrolling on a non SINGLE_LINE_BOX, request ignored" );
+ mImpl->mAutoScrollEnabled = false;
}
+}
- void OnTapEvent( const Event& event )
- {
- unsigned int tapCount = event.p1.mUint;
+bool Controller::IsAutoScrollEnabled() const
+{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::IsAutoScrollEnabled[%s]\n", (mImpl->mAutoScrollEnabled)?"true":"false" );
- if( 1u == tapCount )
- {
- ChangeState( EDITING );
+ return mImpl->mAutoScrollEnabled;
+}
- float xPosition = event.p2.mFloat;
- float yPosition = event.p3.mFloat;
- float height(0.0f);
- GetClosestCursorPosition( xPosition, yPosition, height );
- mDecorator->SetPosition( PRIMARY_CURSOR, xPosition, yPosition, height );
+CharacterDirection Controller::GetAutoScrollDirection() const
+{
+ return mImpl->mAutoScrollDirectionRTL;
+}
- mDecoratorUpdated = true;
- }
- else if( 2u == tapCount )
- {
- ChangeState( SELECTING );
- }
- }
+void Controller::SetText( const std::string& text )
+{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SetText\n" );
- void OnGrabHandleEvent( const Event& event )
- {
- unsigned int state = event.p1.mUint;
+ // Reset keyboard as text changed
+ mImpl->ResetImfManager();
- if( GRAB_HANDLE_PRESSED == state )
- {
- float xPosition = event.p2.mFloat;
- float yPosition = event.p3.mFloat;
- float height(0.0f);
+ // Remove the previously set text and style.
+ ResetText();
- GetClosestCursorPosition( xPosition, yPosition, height );
+ // Remove the style.
+ ClearStyleData();
- mDecorator->SetPosition( PRIMARY_CURSOR, xPosition, yPosition, height );
- mDecoratorUpdated = true;
- }
- }
+ CharacterIndex lastCursorIndex = 0u;
- void ChangeState( State newState )
+ if( NULL != mImpl->mEventData )
{
- if( mState != newState )
+ // If popup shown then hide it by switching to Editing state
+ if( ( EventData::SELECTING == mImpl->mEventData->mState ) ||
+ ( EventData::EDITING_WITH_POPUP == mImpl->mEventData->mState ) ||
+ ( EventData::EDITING_WITH_GRAB_HANDLE == mImpl->mEventData->mState ) ||
+ ( EventData::EDITING_WITH_PASTE_POPUP == mImpl->mEventData->mState ) )
{
- mState = newState;
-
- if( INACTIVE == mState )
- {
- mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
- mDecorator->StopCursorBlink();
- mDecorator->SetGrabHandleActive( false );
- mDecorator->SetSelectionActive( false );
- mDecoratorUpdated = true;
- }
- else if ( SELECTING == mState )
- {
- mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
- mDecorator->StopCursorBlink();
- mDecorator->SetGrabHandleActive( false );
- mDecorator->SetSelectionActive( true );
- mDecoratorUpdated = true;
- }
- else if( EDITING == mState )
- {
- mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
- mDecorator->StartCursorBlink();
- mDecorator->SetGrabHandleActive( true );
- mDecorator->SetSelectionActive( false );
- mDecoratorUpdated = true;
- }
+ mImpl->ChangeState( EventData::EDITING );
}
}
- void GetClosestCursorPosition( float& x, float& y, float& height )
+ if( !text.empty() )
{
- // TODO - Look at LineRuns first
+ mImpl->mVisualModel->SetTextColor( mImpl->mTextColor );
- Text::Length numberOfGlyphs = mVisualModel->GetNumberOfGlyphs();
- if( 0 == numberOfGlyphs )
+ MarkupProcessData markupProcessData( mImpl->mLogicalModel->mColorRuns,
+ mImpl->mLogicalModel->mFontDescriptionRuns );
+
+ Length textSize = 0u;
+ const uint8_t* utf8 = NULL;
+ if( mImpl->mMarkupProcessorEnabled )
{
- return;
+ ProcessMarkupString( text, markupProcessData );
+ textSize = markupProcessData.markupProcessedText.size();
+
+ // This is a bit horrible but std::string returns a (signed) char*
+ utf8 = reinterpret_cast<const uint8_t*>( markupProcessData.markupProcessedText.c_str() );
+ }
+ else
+ {
+ textSize = text.size();
+
+ // This is a bit horrible but std::string returns a (signed) char*
+ utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
}
- Vector<GlyphInfo> glyphs;
- glyphs.Resize( numberOfGlyphs );
- mVisualModel->GetGlyphs( &glyphs[0], 0, numberOfGlyphs );
+ // Convert text into UTF-32
+ Vector<Character>& utf32Characters = mImpl->mLogicalModel->mText;
+ utf32Characters.Resize( textSize );
- std::vector<Vector2> positions;
- positions.resize( numberOfGlyphs );
- mVisualModel->GetGlyphPositions( &positions[0], 0, numberOfGlyphs );
+ // Transform a text array encoded in utf8 into an array encoded in utf32.
+ // It returns the actual number of characters.
+ Length characterCount = Utf8ToUtf32( utf8, textSize, utf32Characters.Begin() );
+ utf32Characters.Resize( characterCount );
- unsigned int closestGlyph = 0;
- float closestDistance = std::numeric_limits<float>::max();
+ DALI_ASSERT_DEBUG( textSize >= characterCount && "Invalid UTF32 conversion length" );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SetText %p UTF8 size %d, UTF32 size %d\n", this, textSize, mImpl->mLogicalModel->mText.Count() );
- for( unsigned int i=0; i<glyphs.Count(); ++i )
- {
- float glyphX = positions[i].x + glyphs[i].width*0.5f;
- float glyphY = positions[i].y + glyphs[i].height*0.5f;
+ // The characters to be added.
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mLogicalModel->mText.Count();
- float distanceToGlyph = fabsf( glyphX - x ) + fabsf( glyphY - y );
+ // To reset the cursor position
+ lastCursorIndex = characterCount;
- if( distanceToGlyph < closestDistance )
- {
- closestDistance = distanceToGlyph;
- closestGlyph = i;
- }
- }
+ // Update the rest of the model during size negotiation
+ mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED );
- // TODO - Consider RTL languages
- x = positions[closestGlyph].x + glyphs[closestGlyph].width;
- y = 0.0f;
+ // The natural size needs to be re-calculated.
+ mImpl->mRecalculateNaturalSize = true;
- FontMetrics metrics;
- TextAbstraction::FontClient::Get().GetFontMetrics( glyphs[closestGlyph].fontId, metrics );
- height = metrics.height; // TODO - Fix for multi-line
+ // Apply modifications to the model
+ mImpl->mOperationsPending = ALL_OPERATIONS;
+ }
+ else
+ {
+ ShowPlaceholderText();
}
- LogicalModelPtr mLogicalModel;
- VisualModelPtr mVisualModel;
- DecoratorPtr mDecorator;
+ // Resets the cursor position.
+ ResetCursorPosition( lastCursorIndex );
+
+ // Scrolls the text to make the cursor visible.
+ ResetScrollPosition();
- std::string mPlaceholderText;
+ mImpl->RequestRelayout();
- /**
- * This is used to delay handling events until after the model has been updated.
- * The number of updates to the model is minimized to improve performance.
- */
- vector<Event> mEventQueue; ///< The queue of touch events etc.
+ if( NULL != mImpl->mEventData )
+ {
+ // Cancel previously queued events
+ mImpl->mEventData->mEventQueue.clear();
+ }
- State mState;
+ // Notify IMF as text changed
+ NotifyImfManager();
- bool mDecoratorUpdated;
-};
+ // Do this last since it provides callbacks into application code
+ mImpl->mControlInterface.TextChanged();
+}
-struct Controller::FontDefaults
+void Controller::GetText( std::string& text ) const
{
- FontDefaults()
- : mDefaultPointSize(0.0f),
- mFontId(0u)
+ if( !mImpl->IsShowingPlaceholderText() )
{
- }
+ Vector<Character>& utf32Characters = mImpl->mLogicalModel->mText;
- FontId GetFontId( TextAbstraction::FontClient& fontClient )
- {
- if( !mFontId )
+ if( 0u != utf32Characters.Count() )
{
- Dali::TextAbstraction::PointSize26Dot6 pointSize = mDefaultPointSize*64;
- mFontId = fontClient.GetFontId( mDefaultFontFamily, mDefaultFontStyle, pointSize );
+ Utf32ToUtf8( &utf32Characters[0], utf32Characters.Count(), text );
}
-
- return mFontId;
}
-
- std::string mDefaultFontFamily;
- std::string mDefaultFontStyle;
- float mDefaultPointSize;
- FontId mFontId;
-};
-
-struct Controller::Impl
-{
- Impl( ControlInterface& controlInterface )
- : mControlInterface( controlInterface ),
- mNewText(),
- mOperations( NO_OPERATION ),
- mControlSize(),
- mFontDefaults( NULL ),
- mTextInput( NULL )
+ else
{
- mLogicalModel = LogicalModel::New();
- mVisualModel = VisualModel::New();
-
- mView.SetVisualModel( mVisualModel );
-
- mFontClient = TextAbstraction::FontClient::Get();
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::GetText %p empty (but showing placeholder)\n", this );
}
+}
- ~Impl()
+unsigned int Controller::GetLogicalCursorPosition() const
+{
+ if( NULL != mImpl->mEventData )
{
- delete mTextInput;
+ return mImpl->mEventData->mPrimaryCursorPosition;
}
- ControlInterface& mControlInterface;
-
- std::string mNewText;
-
- LogicalModelPtr mLogicalModel;
- VisualModelPtr mVisualModel;
-
- View mView;
-
- LayoutEngine mLayoutEngine;
-
- TextAbstraction::FontClient mFontClient;
-
- OperationsMask mOperations;
-
- Size mControlSize;
-
- // Avoid allocating this when the user does not specify a font
- FontDefaults* mFontDefaults;
-
- // Avoid allocating everything for text input until EnableTextInput()
- Controller::TextInput* mTextInput;
-};
-
-ControllerPtr Controller::New( ControlInterface& controlInterface )
-{
- return ControllerPtr( new Controller( controlInterface ) );
+ return 0u;
}
-void Controller::SetText( const std::string& text )
+void Controller::SetPlaceholderText( PlaceholderType type, const std::string& text )
{
- // Keep until size negotiation
- mImpl->mNewText = text;
- mImpl->mOperations = ALL_OPERATIONS;
-
- if( mImpl->mTextInput )
+ if( NULL != mImpl->mEventData )
{
- // Cancel previously queued events
- mImpl->mTextInput->mEventQueue.clear();
+ if( PLACEHOLDER_TYPE_INACTIVE == type )
+ {
+ mImpl->mEventData->mPlaceholderTextInactive = text;
+ }
+ else
+ {
+ mImpl->mEventData->mPlaceholderTextActive = text;
+ }
- // TODO - Hide selection decorations
+ // Update placeholder if there is no text
+ if( mImpl->IsShowingPlaceholderText() ||
+ ( 0u == mImpl->mLogicalModel->mText.Count() ) )
+ {
+ ShowPlaceholderText();
+ }
}
}
-void Controller::GetText( std::string& text ) const
+void Controller::GetPlaceholderText( PlaceholderType type, std::string& text ) const
{
- if( !mImpl->mNewText.empty() )
- {
- text = mImpl->mNewText;
- }
- else
+ if( NULL != mImpl->mEventData )
{
- // TODO - Convert from UTF-32
+ if( PLACEHOLDER_TYPE_INACTIVE == type )
+ {
+ text = mImpl->mEventData->mPlaceholderTextInactive;
+ }
+ else
+ {
+ text = mImpl->mEventData->mPlaceholderTextActive;
+ }
}
}
-void Controller::SetPlaceholderText( const std::string& text )
+void Controller::SetMaximumNumberOfCharacters( Length maxCharacters )
{
- if( !mImpl->mTextInput )
- {
- mImpl->mTextInput->mPlaceholderText = text;
- }
+ mImpl->mMaximumNumberOfCharacters = maxCharacters;
}
-void Controller::GetPlaceholderText( std::string& text ) const
+int Controller::GetMaximumNumberOfCharacters()
{
- if( !mImpl->mTextInput )
- {
- text = mImpl->mTextInput->mPlaceholderText;
- }
+ return mImpl->mMaximumNumberOfCharacters;
}
void Controller::SetDefaultFontFamily( const std::string& defaultFontFamily )
{
- if( !mImpl->mFontDefaults )
+ if( NULL == mImpl->mFontDefaults )
{
- mImpl->mFontDefaults = new Controller::FontDefaults();
+ mImpl->mFontDefaults = new FontDefaults();
}
- mImpl->mFontDefaults->mDefaultFontFamily = defaultFontFamily;
- mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
- mImpl->mOperations = ALL_OPERATIONS;
+ mImpl->mFontDefaults->mFontDescription.family = defaultFontFamily;
+ DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetDefaultFontFamily %s\n", defaultFontFamily.c_str());
+ mImpl->mFontDefaults->familyDefined = true;
+
+ // Clear the font-specific data
+ ClearFontData();
+
+ mImpl->RequestRelayout();
}
const std::string& Controller::GetDefaultFontFamily() const
{
- if( mImpl->mFontDefaults )
+ if( NULL != mImpl->mFontDefaults )
{
- return mImpl->mFontDefaults->mDefaultFontFamily;
+ return mImpl->mFontDefaults->mFontDescription.family;
}
- return Dali::String::EMPTY;
+ return EMPTY_STRING;
}
-void Controller::SetDefaultFontStyle( const std::string& defaultFontStyle )
+void Controller::SetDefaultFontStyle( const std::string& style )
{
- if( !mImpl->mFontDefaults )
+ if( NULL == mImpl->mFontDefaults )
{
- mImpl->mFontDefaults = new Controller::FontDefaults();
+ mImpl->mFontDefaults = new FontDefaults();
}
- mImpl->mFontDefaults->mDefaultFontStyle = defaultFontStyle;
- mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
- mImpl->mOperations = ALL_OPERATIONS;
+ mImpl->mFontDefaults->mFontStyle = style;
}
const std::string& Controller::GetDefaultFontStyle() const
{
- if( mImpl->mFontDefaults )
+ if( NULL != mImpl->mFontDefaults )
{
- return mImpl->mFontDefaults->mDefaultFontStyle;
+ return mImpl->mFontDefaults->mFontStyle;
}
- return Dali::String::EMPTY;
+ return EMPTY_STRING;
}
-void Controller::SetDefaultPointSize( float pointSize )
+void Controller::SetDefaultFontWeight( FontWeight weight )
{
- if( !mImpl->mFontDefaults )
+ if( NULL == mImpl->mFontDefaults )
{
- mImpl->mFontDefaults = new Controller::FontDefaults();
+ mImpl->mFontDefaults = new FontDefaults();
}
- mImpl->mFontDefaults->mDefaultPointSize = pointSize;
- mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
- mImpl->mOperations = ALL_OPERATIONS;
+ mImpl->mFontDefaults->mFontDescription.weight = weight;
+ mImpl->mFontDefaults->weightDefined = true;
+
+ // Clear the font-specific data
+ ClearFontData();
+
+ mImpl->RequestRelayout();
}
-float Controller::GetDefaultPointSize() const
+FontWeight Controller::GetDefaultFontWeight() const
{
- if( mImpl->mFontDefaults )
+ if( NULL != mImpl->mFontDefaults )
{
- return mImpl->mFontDefaults->mDefaultPointSize;
+ return mImpl->mFontDefaults->mFontDescription.weight;
}
- return 0.0f;
+ return TextAbstraction::FontWeight::NORMAL;
}
-void Controller::EnableTextInput( DecoratorPtr decorator )
+void Controller::SetDefaultFontWidth( FontWidth width )
{
- if( !mImpl->mTextInput )
+ if( NULL == mImpl->mFontDefaults )
{
- mImpl->mTextInput = new TextInput( mImpl->mLogicalModel, mImpl->mVisualModel, decorator );
+ mImpl->mFontDefaults = new FontDefaults();
}
+
+ mImpl->mFontDefaults->mFontDescription.width = width;
+ mImpl->mFontDefaults->widthDefined = true;
+
+ // Clear the font-specific data
+ ClearFontData();
+
+ mImpl->RequestRelayout();
}
-bool Controller::Relayout( const Vector2& size )
+FontWidth Controller::GetDefaultFontWidth() const
{
- if( ( size.width < Math::MACHINE_EPSILON_1000 ) || ( size.height < Math::MACHINE_EPSILON_1000 ) )
+ if( NULL != mImpl->mFontDefaults )
{
- // Not worth to relayout if width or height is equal to zero.
- return false;
+ return mImpl->mFontDefaults->mFontDescription.width;
}
- bool updated = false;
+ return TextAbstraction::FontWidth::NORMAL;
+}
- if( size != mImpl->mControlSize )
+void Controller::SetDefaultFontSlant( FontSlant slant )
+{
+ if( NULL == mImpl->mFontDefaults )
{
- updated = DoRelayout( size, mImpl->mOperations );
+ mImpl->mFontDefaults = new FontDefaults();
+ }
- // Do not re-do any operation until something changes.
- mImpl->mOperations = NO_OPERATION;
+ mImpl->mFontDefaults->mFontDescription.slant = slant;
+ mImpl->mFontDefaults->slantDefined = true;
- mImpl->mControlSize = size;
- }
+ // Clear the font-specific data
+ ClearFontData();
+
+ mImpl->RequestRelayout();
+}
- if( mImpl->mTextInput )
+FontSlant Controller::GetDefaultFontSlant() const
+{
+ if( NULL != mImpl->mFontDefaults )
{
- // Move the cursor, grab handle etc.
- updated = mImpl->mTextInput->ProcessInputEvents() || updated;
+ return mImpl->mFontDefaults->mFontDescription.slant;
}
- return updated;
+ return TextAbstraction::FontSlant::NORMAL;
}
-bool Controller::DoRelayout( const Vector2& size, OperationsMask operations )
+void Controller::SetDefaultPointSize( float pointSize )
{
- bool viewUpdated( false );
-
- Vector<Character> utf32Characters;
- Length characterCount = 0u;
- if( CONVERT_TO_UTF32 & operations )
+ if( NULL == mImpl->mFontDefaults )
{
- std::string& text = mImpl->mNewText;
+ mImpl->mFontDefaults = new FontDefaults();
+ }
- // Convert text into UTF-32
- utf32Characters.Resize( text.size() );
+ mImpl->mFontDefaults->mDefaultPointSize = pointSize;
+ mImpl->mFontDefaults->sizeDefined = true;
- // This is a bit horrible but std::string returns a (signed) char*
- const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
+ unsigned int horizontalDpi( 0u );
+ unsigned int verticalDpi( 0u );
+ mImpl->mFontClient.GetDpi( horizontalDpi, verticalDpi );
- // Transform a text array encoded in utf8 into an array encoded in utf32.
- // It returns the actual number of characters.
- characterCount = Utf8ToUtf32( utf8, text.size(), utf32Characters.Begin() );
- utf32Characters.Resize( characterCount );
+ // Adjust the metrics if the fixed-size font should be down-scaled
+ int maxEmojiSize( pointSize/POINTS_PER_INCH * verticalDpi );
+ DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetDefaultPointSize %p setting MaxEmojiSize %d\n", this, maxEmojiSize );
+ mImpl->mMetrics->SetMaxEmojiSize( maxEmojiSize );
- // Sets the text into the model.
- mImpl->mLogicalModel->SetText( utf32Characters.Begin(), characterCount );
+ // Clear the font-specific data
+ ClearFontData();
+
+ mImpl->RequestRelayout();
+}
- // Discard temporary text
- //text.clear(); temporary keep the text. will be fixed in the next patch.
+float Controller::GetDefaultPointSize() const
+{
+ if( NULL != mImpl->mFontDefaults )
+ {
+ return mImpl->mFontDefaults->mDefaultPointSize;
}
- Vector<LineBreakInfo> lineBreakInfo;
- if( GET_LINE_BREAKS & operations )
+ return 0.0f;
+}
+
+void Controller::UpdateAfterFontChange( const std::string& newDefaultFont )
+{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::UpdateAfterFontChange");
+
+ if( !mImpl->mFontDefaults->familyDefined ) // If user defined font then should not update when system font changes
{
- // Retrieves the line break info. The line break info is used to split the text in 'paragraphs' to
- // calculate the bidirectional info for each 'paragraph'.
- // It's also used to layout the text (where it should be a new line) or to shape the text (text in different lines
- // is not shaped together).
- lineBreakInfo.Resize( characterCount, TextAbstraction::LINE_NO_BREAK );
+ DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::UpdateAfterFontChange newDefaultFont(%s)\n", newDefaultFont.c_str() );
+ mImpl->mFontDefaults->mFontDescription.family = newDefaultFont;
- SetLineBreakInfo( utf32Characters,
- lineBreakInfo );
+ ClearFontData();
- mImpl->mLogicalModel->SetLineBreakInfo( lineBreakInfo.Begin(), characterCount );
+ mImpl->RequestRelayout();
}
+}
- Vector<WordBreakInfo> wordBreakInfo;
- if( GET_WORD_BREAKS & operations )
- {
- // Retrieves the word break info. The word break info is used to layout the text (where to wrap the text in lines).
- wordBreakInfo.Resize( characterCount, TextAbstraction::WORD_NO_BREAK );
+void Controller::SetTextColor( const Vector4& textColor )
+{
+ mImpl->mTextColor = textColor;
- SetWordBreakInfo( utf32Characters,
- wordBreakInfo );
+ if( !mImpl->IsShowingPlaceholderText() )
+ {
+ mImpl->mVisualModel->SetTextColor( textColor );
- mImpl->mLogicalModel->SetWordBreakInfo( wordBreakInfo.Begin(), characterCount );
+ mImpl->RequestRelayout();
}
+}
- const bool getScripts = GET_SCRIPTS & operations;
- const bool validateFonts = VALIDATE_FONTS & operations;
+const Vector4& Controller::GetTextColor() const
+{
+ return mImpl->mTextColor;
+}
- Vector<ScriptRun> scripts;
- Vector<FontRun> fonts;
+bool Controller::RemoveText( int cursorOffset,
+ int numberOfCharacters,
+ UpdateInputStyleType type )
+{
+ bool removed = false;
- if( mImpl->mFontDefaults )
+ if( NULL == mImpl->mEventData )
{
- // TODO - pass into ValidateFonts
+ return removed;
}
- if( getScripts || validateFonts )
+ DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p mText.Count() %d cursor %d cursorOffset %d numberOfCharacters %d\n",
+ this, mImpl->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition, cursorOffset, numberOfCharacters );
+
+ if( !mImpl->IsShowingPlaceholderText() )
{
- // Validates the fonts assigned by the application or assigns default ones.
- // It makes sure all the characters are going to be rendered by the correct font.
- MultilanguageSupport multilanguageSupport = MultilanguageSupport::Get();
+ // Delete at current cursor position
+ Vector<Character>& currentText = mImpl->mLogicalModel->mText;
+ CharacterIndex& oldCursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
+
+ CharacterIndex cursorIndex = oldCursorIndex;
- if( getScripts )
+ // Validate the cursor position & number of characters
+ if( static_cast< CharacterIndex >( std::abs( cursorOffset ) ) <= cursorIndex )
{
- // Retrieves the scripts used in the text.
- multilanguageSupport.SetScripts( utf32Characters,
- lineBreakInfo,
- scripts );
+ cursorIndex = oldCursorIndex + cursorOffset;
+ }
- // Sets the scripts into the model.
- mImpl->mLogicalModel->SetScripts( scripts.Begin(), scripts.Count() );
+ if( ( cursorIndex + numberOfCharacters ) > currentText.Count() )
+ {
+ numberOfCharacters = currentText.Count() - cursorIndex;
}
- if( validateFonts )
+ if( ( cursorIndex + numberOfCharacters ) <= mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters )
{
- // Validates the fonts. If there is a character with no assigned font it sets a default one.
- // After this call, fonts are validated.
- multilanguageSupport.ValidateFonts( utf32Characters,
- scripts,
- fonts );
+ // Mark the paragraphs to be updated.
+ mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove += numberOfCharacters;
+
+ // Update the input style and remove the text's style before removing the text.
+
+ if( UPDATE_INPUT_STYLE == type )
+ {
+ // Set first the default input style.
+ mImpl->RetrieveDefaultInputStyle( mImpl->mEventData->mInputStyle );
+
+ // Update the input style.
+ mImpl->mLogicalModel->RetrieveStyle( cursorIndex, mImpl->mEventData->mInputStyle );
+ }
+
+ // Updates the text style runs by removing characters. Runs with no characters are removed.
+ mImpl->mLogicalModel->UpdateTextStyleRuns( cursorIndex, -numberOfCharacters );
+
+ // Remove the characters.
+ Vector<Character>::Iterator first = currentText.Begin() + cursorIndex;
+ Vector<Character>::Iterator last = first + numberOfCharacters;
+
+ currentText.Erase( first, last );
+
+ // Cursor position retreat
+ oldCursorIndex = cursorIndex;
+
+ mImpl->mEventData->mScrollAfterDelete = true;
- // Sets the fonts into the model.
- mImpl->mLogicalModel->SetFonts( fonts.Begin(), fonts.Count() );
+ DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p removed %d\n", this, numberOfCharacters );
+ removed = true;
}
}
- Vector<GlyphInfo> glyphs;
- Vector<CharacterIndex> glyphsToCharactersMap;
- Vector<Length> charactersPerGlyph;
- if( SHAPE_TEXT & operations )
+ return removed;
+}
+
+void Controller::SetPlaceholderTextColor( const Vector4& textColor )
+{
+ if( NULL != mImpl->mEventData )
{
- // Shapes the text.
- ShapeText( utf32Characters,
- lineBreakInfo,
- scripts,
- fonts,
- glyphs,
- glyphsToCharactersMap,
- charactersPerGlyph );
+ mImpl->mEventData->mPlaceholderTextColor = textColor;
}
- if( GET_GLYPH_METRICS & operations )
+ if( mImpl->IsShowingPlaceholderText() )
{
- mImpl->mFontClient.GetGlyphMetrics( glyphs.Begin(), glyphs.Count() );
+ mImpl->mVisualModel->SetTextColor( textColor );
+ mImpl->RequestRelayout();
}
+}
- Length numberOfGlyphs = glyphs.Count();
- if( 0u != numberOfGlyphs )
+const Vector4& Controller::GetPlaceholderTextColor() const
+{
+ if( NULL != mImpl->mEventData )
{
- // Sets the glyphs into the model.
- mImpl->mVisualModel->SetGlyphs( glyphs.Begin(),
- glyphsToCharactersMap.Begin(),
- charactersPerGlyph.Begin(),
- numberOfGlyphs );
+ return mImpl->mEventData->mPlaceholderTextColor;
}
- if( LAYOUT & operations )
- {
- if( 0u == numberOfGlyphs )
- {
- const Length numberOfCharacters = mImpl->mLogicalModel->GetNumberOfCharacters();
- numberOfGlyphs = mImpl->mVisualModel->GetNumberOfGlyphs();
+ return Color::BLACK;
+}
- lineBreakInfo.Resize( numberOfCharacters );
- wordBreakInfo.Resize( numberOfCharacters );
- glyphs.Resize( numberOfGlyphs );
- glyphsToCharactersMap.Resize( numberOfGlyphs );
- charactersPerGlyph.Resize( numberOfGlyphs );
+void Controller::SetShadowOffset( const Vector2& shadowOffset )
+{
+ mImpl->mVisualModel->SetShadowOffset( shadowOffset );
+
+ mImpl->RequestRelayout();
+}
+
+const Vector2& Controller::GetShadowOffset() const
+{
+ return mImpl->mVisualModel->GetShadowOffset();
+}
+
+void Controller::SetShadowColor( const Vector4& shadowColor )
+{
+ mImpl->mVisualModel->SetShadowColor( shadowColor );
+
+ mImpl->RequestRelayout();
+}
+
+const Vector4& Controller::GetShadowColor() const
+{
+ return mImpl->mVisualModel->GetShadowColor();
+}
+
+void Controller::SetUnderlineColor( const Vector4& color )
+{
+ mImpl->mVisualModel->SetUnderlineColor( color );
+
+ mImpl->RequestRelayout();
+}
+
+const Vector4& Controller::GetUnderlineColor() const
+{
+ return mImpl->mVisualModel->GetUnderlineColor();
+}
+
+void Controller::SetUnderlineEnabled( bool enabled )
+{
+ mImpl->mVisualModel->SetUnderlineEnabled( enabled );
+
+ mImpl->RequestRelayout();
+}
+
+bool Controller::IsUnderlineEnabled() const
+{
+ return mImpl->mVisualModel->IsUnderlineEnabled();
+}
+
+void Controller::SetUnderlineHeight( float height )
+{
+ mImpl->mVisualModel->SetUnderlineHeight( height );
+
+ mImpl->RequestRelayout();
+}
+
+float Controller::GetUnderlineHeight() const
+{
+ return mImpl->mVisualModel->GetUnderlineHeight();
+}
+
+void Controller::SetInputColor( const Vector4& color )
+{
+ if( NULL != mImpl->mEventData )
+ {
+ mImpl->mEventData->mInputStyle.textColor = color;
+ mImpl->mEventData->mInputStyle.isDefaultColor = false;
+
+ if( EventData::SELECTING == mImpl->mEventData->mState )
+ {
+ const bool handlesCrossed = mImpl->mEventData->mLeftSelectionPosition > mImpl->mEventData->mRightSelectionPosition;
+
+ // Get start and end position of selection
+ const CharacterIndex startOfSelectedText = handlesCrossed ? mImpl->mEventData->mRightSelectionPosition : mImpl->mEventData->mLeftSelectionPosition;
+ const Length lengthOfSelectedText = ( handlesCrossed ? mImpl->mEventData->mLeftSelectionPosition : mImpl->mEventData->mRightSelectionPosition ) - startOfSelectedText;
+
+ // Add the color run.
+ const VectorBase::SizeType numberOfRuns = mImpl->mLogicalModel->mColorRuns.Count();
+ mImpl->mLogicalModel->mColorRuns.Resize( numberOfRuns + 1u );
+
+ ColorRun& colorRun = *( mImpl->mLogicalModel->mColorRuns.Begin() + numberOfRuns );
+ colorRun.color = color;
+ colorRun.characterRun.characterIndex = startOfSelectedText;
+ colorRun.characterRun.numberOfCharacters = lengthOfSelectedText;
+
+ // Request to relayout.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | COLOR );
+ mImpl->RequestRelayout();
+
+ mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
+ }
+ }
+}
+
+const Vector4& Controller::GetInputColor() const
+{
+ if( NULL != mImpl->mEventData )
+ {
+ return mImpl->mEventData->mInputStyle.textColor;
+ }
+
+ // Return the default text's color if there is no EventData.
+ return mImpl->mTextColor;
+
+}
+
+void Controller::SetInputFontFamily( const std::string& fontFamily )
+{
+ if( NULL != mImpl->mEventData )
+ {
+ mImpl->mEventData->mInputStyle.familyName = fontFamily;
+ mImpl->mEventData->mInputStyle.familyDefined = true;
+
+ if( EventData::SELECTING == mImpl->mEventData->mState )
+ {
+ CharacterIndex startOfSelectedText = 0u;
+ Length lengthOfSelectedText = 0u;
+ FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
+ mImpl->mLogicalModel,
+ startOfSelectedText,
+ lengthOfSelectedText );
+
+ fontDescriptionRun.familyLength = fontFamily.size();
+ fontDescriptionRun.familyName = new char[fontDescriptionRun.familyLength];
+ memcpy( fontDescriptionRun.familyName, fontFamily.c_str(), fontDescriptionRun.familyLength );
+ fontDescriptionRun.familyDefined = true;
+
+ // The memory allocated for the font family name is freed when the font description is removed from the logical model.
+
+ // Request to relayout.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
+ VALIDATE_FONTS |
+ SHAPE_TEXT |
+ GET_GLYPH_METRICS |
+ LAYOUT |
+ UPDATE_ACTUAL_SIZE |
+ REORDER |
+ ALIGN );
+ mImpl->mRecalculateNaturalSize = true;
+ mImpl->RequestRelayout();
+
+ mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
+
+ // As the font changes, recalculate the handle positions is needed.
+ mImpl->mEventData->mUpdateLeftSelectionPosition = true;
+ mImpl->mEventData->mUpdateRightSelectionPosition = true;
+ mImpl->mEventData->mScrollAfterUpdatePosition = true;
+ }
+ }
+}
+
+const std::string& Controller::GetInputFontFamily() const
+{
+ if( NULL != mImpl->mEventData )
+ {
+ return mImpl->mEventData->mInputStyle.familyName;
+ }
+
+ // Return the default font's family if there is no EventData.
+ return GetDefaultFontFamily();
+}
+
+void Controller::SetInputFontStyle( const std::string& fontStyle )
+{
+ if( NULL != mImpl->mEventData )
+ {
+ mImpl->mEventData->mInputStyle.fontStyle = fontStyle;
+ }
+}
+
+const std::string& Controller::GetInputFontStyle() const
+{
+ if( NULL != mImpl->mEventData )
+ {
+ return mImpl->mEventData->mInputStyle.fontStyle;
+ }
+
+ // Return the default font's style if there is no EventData.
+ return GetDefaultFontStyle();
+}
+
+void Controller::SetInputFontWeight( FontWeight weight )
+{
+ if( NULL != mImpl->mEventData )
+ {
+ mImpl->mEventData->mInputStyle.weight = weight;
+ mImpl->mEventData->mInputStyle.weightDefined = true;
+
+ if( EventData::SELECTING == mImpl->mEventData->mState )
+ {
+ CharacterIndex startOfSelectedText = 0u;
+ Length lengthOfSelectedText = 0u;
+ FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
+ mImpl->mLogicalModel,
+ startOfSelectedText,
+ lengthOfSelectedText );
+
+ fontDescriptionRun.weight = weight;
+ fontDescriptionRun.weightDefined = true;
+
+ // Request to relayout.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
+ VALIDATE_FONTS |
+ SHAPE_TEXT |
+ GET_GLYPH_METRICS |
+ LAYOUT |
+ UPDATE_ACTUAL_SIZE |
+ REORDER |
+ ALIGN );
+ mImpl->mRecalculateNaturalSize = true;
+ mImpl->RequestRelayout();
+
+ mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
+
+ // As the font might change, recalculate the handle positions is needed.
+ mImpl->mEventData->mUpdateLeftSelectionPosition = true;
+ mImpl->mEventData->mUpdateRightSelectionPosition = true;
+ mImpl->mEventData->mScrollAfterUpdatePosition = true;
+ }
+ }
+}
+
+FontWeight Controller::GetInputFontWeight() const
+{
+ if( NULL != mImpl->mEventData )
+ {
+ return mImpl->mEventData->mInputStyle.weight;
+ }
+
+ return GetDefaultFontWeight();
+}
+
+void Controller::SetInputFontWidth( FontWidth width )
+{
+ if( NULL != mImpl->mEventData )
+ {
+ mImpl->mEventData->mInputStyle.width = width;
+ mImpl->mEventData->mInputStyle.widthDefined = true;
+
+ if( EventData::SELECTING == mImpl->mEventData->mState )
+ {
+ CharacterIndex startOfSelectedText = 0u;
+ Length lengthOfSelectedText = 0u;
+ FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
+ mImpl->mLogicalModel,
+ startOfSelectedText,
+ lengthOfSelectedText );
+
+ fontDescriptionRun.width = width;
+ fontDescriptionRun.widthDefined = true;
+
+ // Request to relayout.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
+ VALIDATE_FONTS |
+ SHAPE_TEXT |
+ GET_GLYPH_METRICS |
+ LAYOUT |
+ UPDATE_ACTUAL_SIZE |
+ REORDER |
+ ALIGN );
+ mImpl->mRecalculateNaturalSize = true;
+ mImpl->RequestRelayout();
+
+ mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
+
+ // As the font might change, recalculate the handle positions is needed.
+ mImpl->mEventData->mUpdateLeftSelectionPosition = true;
+ mImpl->mEventData->mUpdateRightSelectionPosition = true;
+ mImpl->mEventData->mScrollAfterUpdatePosition = true;
+ }
+ }
+}
+
+FontWidth Controller::GetInputFontWidth() const
+{
+ if( NULL != mImpl->mEventData )
+ {
+ return mImpl->mEventData->mInputStyle.width;
+ }
+
+ return GetDefaultFontWidth();
+}
+
+void Controller::SetInputFontSlant( FontSlant slant )
+{
+ if( NULL != mImpl->mEventData )
+ {
+ mImpl->mEventData->mInputStyle.slant = slant;
+ mImpl->mEventData->mInputStyle.slantDefined = true;
+
+ if( EventData::SELECTING == mImpl->mEventData->mState )
+ {
+ CharacterIndex startOfSelectedText = 0u;
+ Length lengthOfSelectedText = 0u;
+ FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
+ mImpl->mLogicalModel,
+ startOfSelectedText,
+ lengthOfSelectedText );
+
+ fontDescriptionRun.slant = slant;
+ fontDescriptionRun.slantDefined = true;
+
+ // Request to relayout.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
+ VALIDATE_FONTS |
+ SHAPE_TEXT |
+ GET_GLYPH_METRICS |
+ LAYOUT |
+ UPDATE_ACTUAL_SIZE |
+ REORDER |
+ ALIGN );
+ mImpl->mRecalculateNaturalSize = true;
+ mImpl->RequestRelayout();
+
+ mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
+
+ // As the font might change, recalculate the handle positions is needed.
+ mImpl->mEventData->mUpdateLeftSelectionPosition = true;
+ mImpl->mEventData->mUpdateRightSelectionPosition = true;
+ mImpl->mEventData->mScrollAfterUpdatePosition = true;
+ }
+ }
+}
+
+FontSlant Controller::GetInputFontSlant() const
+{
+ if( NULL != mImpl->mEventData )
+ {
+ return mImpl->mEventData->mInputStyle.slant;
+ }
+
+ return GetDefaultFontSlant();
+}
+
+void Controller::SetInputFontPointSize( float size )
+{
+ if( NULL != mImpl->mEventData )
+ {
+ mImpl->mEventData->mInputStyle.size = size;
+
+ if( EventData::SELECTING == mImpl->mEventData->mState )
+ {
+ CharacterIndex startOfSelectedText = 0u;
+ Length lengthOfSelectedText = 0u;
+ FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
+ mImpl->mLogicalModel,
+ startOfSelectedText,
+ lengthOfSelectedText );
+
+ fontDescriptionRun.size = static_cast<PointSize26Dot6>( size * 64.f );
+ fontDescriptionRun.sizeDefined = true;
+
+ // Request to relayout.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
+ VALIDATE_FONTS |
+ SHAPE_TEXT |
+ GET_GLYPH_METRICS |
+ LAYOUT |
+ UPDATE_ACTUAL_SIZE |
+ REORDER |
+ ALIGN );
+ mImpl->mRecalculateNaturalSize = true;
+ mImpl->RequestRelayout();
+
+ mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
+
+ // As the font might change, recalculate the handle positions is needed.
+ mImpl->mEventData->mUpdateLeftSelectionPosition = true;
+ mImpl->mEventData->mUpdateRightSelectionPosition = true;
+ mImpl->mEventData->mScrollAfterUpdatePosition = true;
+ }
+ }
+}
+
+float Controller::GetInputFontPointSize() const
+{
+ if( NULL != mImpl->mEventData )
+ {
+ return mImpl->mEventData->mInputStyle.size;
+ }
+
+ // Return the default font's point size if there is no EventData.
+ return GetDefaultPointSize();
+}
+
+void Controller::SetEnableCursorBlink( bool enable )
+{
+ DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "TextInput disabled" );
+
+ if( NULL != mImpl->mEventData )
+ {
+ mImpl->mEventData->mCursorBlinkEnabled = enable;
+
+ if( !enable &&
+ mImpl->mEventData->mDecorator )
+ {
+ mImpl->mEventData->mDecorator->StopCursorBlink();
+ }
+ }
+}
+
+bool Controller::GetEnableCursorBlink() const
+{
+ if( NULL != mImpl->mEventData )
+ {
+ return mImpl->mEventData->mCursorBlinkEnabled;
+ }
+
+ return false;
+}
+
+const Vector2& Controller::GetScrollPosition() const
+{
+ if( NULL != mImpl->mEventData )
+ {
+ return mImpl->mEventData->mScrollPosition;
+ }
+
+ return Vector2::ZERO;
+}
+
+const Vector2& Controller::GetAlignmentOffset() const
+{
+ return mImpl->mAlignmentOffset;
+}
+
+Vector3 Controller::GetNaturalSize()
+{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetNaturalSize\n" );
+ Vector3 naturalSize;
+
+ // Make sure the model is up-to-date before layouting
+ ProcessModifyEvents();
+
+ if( mImpl->mRecalculateNaturalSize )
+ {
+ // Operations that can be done only once until the text changes.
+ const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
+ GET_SCRIPTS |
+ VALIDATE_FONTS |
+ GET_LINE_BREAKS |
+ GET_WORD_BREAKS |
+ BIDI_INFO |
+ SHAPE_TEXT |
+ GET_GLYPH_METRICS );
+ // Make sure the model is up-to-date before layouting
+ mImpl->UpdateModel( onlyOnceOperations );
+
+ // Layout the text for the new width.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | LAYOUT );
+
+ // Set the update info to relayout the whole text.
+ mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u;
+ mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mLogicalModel->mText.Count();
+
+ // Store the actual control's size to restore later.
+ const Size actualControlSize = mImpl->mVisualModel->mControlSize;
+
+ DoRelayout( Size( MAX_FLOAT, MAX_FLOAT ),
+ static_cast<OperationsMask>( onlyOnceOperations |
+ LAYOUT ),
+ naturalSize.GetVectorXY() );
+
+ // Do not do again the only once operations.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
+
+ // Do the size related operations again.
+ const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
+ ALIGN |
+ REORDER );
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
+
+ // Stores the natural size to avoid recalculate it again
+ // unless the text/style changes.
+ mImpl->mVisualModel->SetNaturalSize( naturalSize.GetVectorXY() );
+
+ mImpl->mRecalculateNaturalSize = false;
+
+ // Clear the update info. This info will be set the next time the text is updated.
+ mImpl->mTextUpdateInfo.Clear();
+
+ // Restore the actual control's size.
+ mImpl->mVisualModel->mControlSize = actualControlSize;
+
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize calculated %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
+ }
+ else
+ {
+ naturalSize = mImpl->mVisualModel->GetNaturalSize();
+
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize cached %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
+ }
+
+ naturalSize.x = ConvertToEven( naturalSize.x );
+ naturalSize.y = ConvertToEven( naturalSize.y );
+
+ return naturalSize;
+}
+
+float Controller::GetHeightForWidth( float width )
+{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetHeightForWidth %p width %f\n", this, width );
+ // Make sure the model is up-to-date before layouting
+ ProcessModifyEvents();
+
+ Size layoutSize;
+ if( fabsf( width - mImpl->mVisualModel->mControlSize.width ) > Math::MACHINE_EPSILON_1000 )
+ {
+ // Operations that can be done only once until the text changes.
+ const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
+ GET_SCRIPTS |
+ VALIDATE_FONTS |
+ GET_LINE_BREAKS |
+ GET_WORD_BREAKS |
+ BIDI_INFO |
+ SHAPE_TEXT |
+ GET_GLYPH_METRICS );
+ // Make sure the model is up-to-date before layouting
+ mImpl->UpdateModel( onlyOnceOperations );
+
+
+ // Layout the text for the new width.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | LAYOUT );
+
+ // Set the update info to relayout the whole text.
+ mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u;
+ mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mLogicalModel->mText.Count();
+
+ // Store the actual control's width.
+ const float actualControlWidth = mImpl->mVisualModel->mControlSize.width;
+
+ DoRelayout( Size( width, MAX_FLOAT ),
+ static_cast<OperationsMask>( onlyOnceOperations |
+ LAYOUT ),
+ layoutSize );
+
+ // Do not do again the only once operations.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
+
+ // Do the size related operations again.
+ const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
+ ALIGN |
+ REORDER );
+
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
+
+ // Clear the update info. This info will be set the next time the text is updated.
+ mImpl->mTextUpdateInfo.Clear();
+
+ // Restore the actual control's width.
+ mImpl->mVisualModel->mControlSize.width = actualControlWidth;
+
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth calculated %f\n", layoutSize.height );
+ }
+ else
+ {
+ layoutSize = mImpl->mVisualModel->GetLayoutSize();
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth cached %f\n", layoutSize.height );
+ }
+
+ return layoutSize.height;
+}
+
+bool Controller::Relayout( const Size& size )
+{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::Relayout %p size %f,%f, autoScroll[%s]\n", this, size.width, size.height, (mImpl->mAutoScrollEnabled)?"true":"false" );
+
+ if( ( size.width < Math::MACHINE_EPSILON_1000 ) || ( size.height < Math::MACHINE_EPSILON_1000 ) )
+ {
+ bool glyphsRemoved( false );
+ if( 0u != mImpl->mVisualModel->mGlyphPositions.Count() )
+ {
+ mImpl->mVisualModel->mGlyphPositions.Clear();
+ glyphsRemoved = true;
+ }
+
+ // Clear the update info. This info will be set the next time the text is updated.
+ mImpl->mTextUpdateInfo.Clear();
+
+ // Not worth to relayout if width or height is equal to zero.
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout (skipped)\n" );
+
+ return glyphsRemoved;
+ }
+
+ // Whether a new size has been set.
+ const bool newSize = ( size != mImpl->mVisualModel->mControlSize );
+
+ if( newSize )
+ {
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "new size (previous size %f,%f)\n", mImpl->mVisualModel->mControlSize.width, mImpl->mVisualModel->mControlSize.height );
+
+ // Layout operations that need to be done if the size changes.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
+ LAYOUT |
+ ALIGN |
+ UPDATE_ACTUAL_SIZE |
+ REORDER );
+ // Set the update info to relayout the whole text.
+ mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true;
+ mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
+ }
+
+ // Whether there are modify events.
+ if( 0u != mImpl->mModifyEvents.Count() )
+ {
+ // Style operations that need to be done if the text is modified.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
+ COLOR );
+ }
+
+ // Make sure the model is up-to-date before layouting.
+ ProcessModifyEvents();
+ bool updated = mImpl->UpdateModel( mImpl->mOperationsPending );
+
+ // Layout the text.
+ Size layoutSize;
+ updated = DoRelayout( size,
+ mImpl->mOperationsPending,
+ layoutSize ) || updated;
+
+ // Do not re-do any operation until something changes.
+ mImpl->mOperationsPending = NO_OPERATION;
+
+ // Whether the text control is editable
+ const bool isEditable = NULL != mImpl->mEventData;
+
+ // Keep the current offset and alignment as it will be used to update the decorator's positions (if the size changes).
+ Vector2 offset;
+ if( newSize && isEditable )
+ {
+ offset = mImpl->mAlignmentOffset + mImpl->mEventData->mScrollPosition;
+ }
+
+ // After doing the text layout, the alignment offset to place the actor in the desired position can be calculated.
+ CalculateTextAlignment( size );
+
+ if( isEditable )
+ {
+ if( newSize )
+ {
+ // If there is a new size, the scroll position needs to be clamped.
+ mImpl->ClampHorizontalScroll( layoutSize );
+
+ // Update the decorator's positions is needed if there is a new size.
+ mImpl->mEventData->mDecorator->UpdatePositions( mImpl->mAlignmentOffset + mImpl->mEventData->mScrollPosition - offset );
+ }
+
+ // Move the cursor, grab handle etc.
+ updated = mImpl->ProcessInputEvents() || updated;
+ }
+
+ // Clear the update info. This info will be set the next time the text is updated.
+ mImpl->mTextUpdateInfo.Clear();
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout\n" );
+
+ return updated;
+}
+
+void Controller::ProcessModifyEvents()
+{
+ Vector<ModifyEvent>& events = mImpl->mModifyEvents;
+
+ if( 0u == events.Count() )
+ {
+ // Nothing to do.
+ return;
+ }
+
+ for( Vector<ModifyEvent>::ConstIterator it = events.Begin(),
+ endIt = events.End();
+ it != endIt;
+ ++it )
+ {
+ const ModifyEvent& event = *it;
+
+ if( ModifyEvent::TEXT_REPLACED == event.type )
+ {
+ // A (single) replace event should come first, otherwise we wasted time processing NOOP events
+ DALI_ASSERT_DEBUG( it == events.Begin() && "Unexpected TEXT_REPLACED event" );
+
+ TextReplacedEvent();
+ }
+ else if( ModifyEvent::TEXT_INSERTED == event.type )
+ {
+ TextInsertedEvent();
+ }
+ else if( ModifyEvent::TEXT_DELETED == event.type )
+ {
+ // Placeholder-text cannot be deleted
+ if( !mImpl->IsShowingPlaceholderText() )
+ {
+ TextDeletedEvent();
+ }
+ }
+ }
+
+ if( NULL != mImpl->mEventData )
+ {
+ // When the text is being modified, delay cursor blinking
+ mImpl->mEventData->mDecorator->DelayCursorBlink();
+ }
+
+ // Discard temporary text
+ events.Clear();
+}
+
+void Controller::ResetText()
+{
+ // Reset buffers.
+ mImpl->mLogicalModel->mText.Clear();
+
+ // We have cleared everything including the placeholder-text
+ mImpl->PlaceholderCleared();
+
+ mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = 0u;
+
+ // Clear any previous text.
+ mImpl->mTextUpdateInfo.mClearAll = true;
+
+ // The natural size needs to be re-calculated.
+ mImpl->mRecalculateNaturalSize = true;
+
+ // Apply modifications to the model
+ mImpl->mOperationsPending = ALL_OPERATIONS;
+}
+
+void Controller::ResetCursorPosition( CharacterIndex cursorIndex )
+{
+ // Reset the cursor position
+ if( NULL != mImpl->mEventData )
+ {
+ mImpl->mEventData->mPrimaryCursorPosition = cursorIndex;
+
+ // Update the cursor if it's in editing mode.
+ if( EventData::IsEditingState( mImpl->mEventData->mState ) )
+ {
+ mImpl->mEventData->mUpdateCursorPosition = true;
+ }
+ }
+}
+
+void Controller::ResetScrollPosition()
+{
+ if( NULL != mImpl->mEventData )
+ {
+ // Reset the scroll position.
+ mImpl->mEventData->mScrollPosition = Vector2::ZERO;
+ mImpl->mEventData->mScrollAfterUpdatePosition = true;
+ }
+}
+
+void Controller::TextReplacedEvent()
+{
+ // The natural size needs to be re-calculated.
+ mImpl->mRecalculateNaturalSize = true;
+
+ // Apply modifications to the model
+ mImpl->mOperationsPending = ALL_OPERATIONS;
+}
+
+void Controller::TextInsertedEvent()
+{
+ DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextInsertedEvent" );
+
+ if( NULL == mImpl->mEventData )
+ {
+ return;
+ }
+
+ // The natural size needs to be re-calculated.
+ mImpl->mRecalculateNaturalSize = true;
+
+ // Apply modifications to the model; TODO - Optimize this
+ mImpl->mOperationsPending = ALL_OPERATIONS;
+}
+
+void Controller::TextDeletedEvent()
+{
+ DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextDeletedEvent" );
+
+ if( NULL == mImpl->mEventData )
+ {
+ return;
+ }
+
+ // The natural size needs to be re-calculated.
+ mImpl->mRecalculateNaturalSize = true;
+
+ // Apply modifications to the model; TODO - Optimize this
+ mImpl->mOperationsPending = ALL_OPERATIONS;
+}
+
+bool Controller::DoRelayout( const Size& size,
+ OperationsMask operationsRequired,
+ Size& layoutSize )
+{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout %p size %f,%f\n", this, size.width, size.height );
+ bool viewUpdated( false );
+
+ // Calculate the operations to be done.
+ const OperationsMask operations = static_cast<OperationsMask>( mImpl->mOperationsPending & operationsRequired );
+
+ const CharacterIndex startIndex = mImpl->mTextUpdateInfo.mParagraphCharacterIndex;
+ const Length requestedNumberOfCharacters = mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters;
+
+ if( NO_OPERATION != ( LAYOUT & operations ) )
+ {
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout LAYOUT & operations\n");
+
+ // Some vectors with data needed to layout and reorder may be void
+ // after the first time the text has been laid out.
+ // Fill the vectors again.
+
+ // Calculate the number of glyphs to layout.
+ const Vector<GlyphIndex>& charactersToGlyph = mImpl->mVisualModel->mCharactersToGlyph;
+ const Vector<Length>& glyphsPerCharacter = mImpl->mVisualModel->mGlyphsPerCharacter;
+ const GlyphIndex* const charactersToGlyphBuffer = charactersToGlyph.Begin();
+ const Length* const glyphsPerCharacterBuffer = glyphsPerCharacter.Begin();
+
+ const CharacterIndex lastIndex = startIndex + ( ( requestedNumberOfCharacters > 0u ) ? requestedNumberOfCharacters - 1u : 0u );
+ const GlyphIndex startGlyphIndex = mImpl->mTextUpdateInfo.mStartGlyphIndex;
+ const Length numberOfGlyphs = ( requestedNumberOfCharacters > 0u ) ? *( charactersToGlyphBuffer + lastIndex ) + *( glyphsPerCharacterBuffer + lastIndex ) - startGlyphIndex : 0u;
+ const Length totalNumberOfGlyphs = mImpl->mVisualModel->mGlyphs.Count();
+
+ if( 0u == totalNumberOfGlyphs )
+ {
+ if( NO_OPERATION != ( UPDATE_ACTUAL_SIZE & operations ) )
+ {
+ mImpl->mVisualModel->SetLayoutSize( Size::ZERO );
+ }
+
+ // Nothing else to do if there is no glyphs.
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout no glyphs, view updated true\n" );
+ return true;
+ }
+
+ const Vector<LineBreakInfo>& lineBreakInfo = mImpl->mLogicalModel->mLineBreakInfo;
+ const Vector<WordBreakInfo>& wordBreakInfo = mImpl->mLogicalModel->mWordBreakInfo;
+ const Vector<CharacterDirection>& characterDirection = mImpl->mLogicalModel->mCharacterDirections;
+ const Vector<GlyphInfo>& glyphs = mImpl->mVisualModel->mGlyphs;
+ const Vector<CharacterIndex>& glyphsToCharactersMap = mImpl->mVisualModel->mGlyphsToCharacters;
+ const Vector<Length>& charactersPerGlyph = mImpl->mVisualModel->mCharactersPerGlyph;
+ const Character* const textBuffer = mImpl->mLogicalModel->mText.Begin();
+
+ // Set the layout parameters.
+ LayoutParameters layoutParameters( size,
+ textBuffer,
+ lineBreakInfo.Begin(),
+ wordBreakInfo.Begin(),
+ ( 0u != characterDirection.Count() ) ? characterDirection.Begin() : NULL,
+ glyphs.Begin(),
+ glyphsToCharactersMap.Begin(),
+ charactersPerGlyph.Begin(),
+ charactersToGlyphBuffer,
+ glyphsPerCharacterBuffer,
+ totalNumberOfGlyphs );
+
+ // Resize the vector of positions to have the same size than the vector of glyphs.
+ Vector<Vector2>& glyphPositions = mImpl->mVisualModel->mGlyphPositions;
+ glyphPositions.Resize( totalNumberOfGlyphs );
+
+ // Whether the last character is a new paragraph character.
+ mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph = TextAbstraction::IsNewParagraph( *( textBuffer + ( mImpl->mLogicalModel->mText.Count() - 1u ) ) );
+ layoutParameters.isLastNewParagraph = mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph;
+
+ // The initial glyph and the number of glyphs to layout.
+ layoutParameters.startGlyphIndex = startGlyphIndex;
+ layoutParameters.numberOfGlyphs = numberOfGlyphs;
+ layoutParameters.startLineIndex = mImpl->mTextUpdateInfo.mStartLineIndex;
+ layoutParameters.estimatedNumberOfLines = mImpl->mTextUpdateInfo.mEstimatedNumberOfLines;
+
+ // Update the visual model.
+ viewUpdated = mImpl->mLayoutEngine.LayoutText( layoutParameters,
+ glyphPositions,
+ mImpl->mVisualModel->mLines,
+ layoutSize );
+
+
+ if( viewUpdated )
+ {
+ if ( NO_OPERATION != ( UPDATE_DIRECTION & operations ) )
+ {
+ mImpl->mAutoScrollDirectionRTL = false;
+ }
+
+ // Reorder the lines
+ if( NO_OPERATION != ( REORDER & operations ) )
+ {
+ Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo = mImpl->mLogicalModel->mBidirectionalParagraphInfo;
+ Vector<BidirectionalLineInfoRun>& bidirectionalLineInfo = mImpl->mLogicalModel->mBidirectionalLineInfo;
+
+ // Check first if there are paragraphs with bidirectional info.
+ if( 0u != bidirectionalInfo.Count() )
+ {
+ // Get the lines
+ const Length numberOfLines = mImpl->mVisualModel->mLines.Count();
+
+ // Reorder the lines.
+ bidirectionalLineInfo.Reserve( numberOfLines ); // Reserve because is not known yet how many lines have right to left characters.
+ ReorderLines( bidirectionalInfo,
+ startIndex,
+ requestedNumberOfCharacters,
+ mImpl->mVisualModel->mLines,
+ bidirectionalLineInfo );
+
+ // Set the bidirectional info per line into the layout parameters.
+ layoutParameters.lineBidirectionalInfoRunsBuffer = bidirectionalLineInfo.Begin();
+ layoutParameters.numberOfBidirectionalInfoRuns = bidirectionalLineInfo.Count();
+
+ // Re-layout the text. Reorder those lines with right to left characters.
+ mImpl->mLayoutEngine.ReLayoutRightToLeftLines( layoutParameters,
+ startIndex,
+ requestedNumberOfCharacters,
+ glyphPositions );
+
+ if ( ( NO_OPERATION != ( UPDATE_DIRECTION & operations ) ) && ( numberOfLines > 0 ) )
+ {
+ const LineRun* const firstline = mImpl->mVisualModel->mLines.Begin();
+ if ( firstline )
+ {
+ mImpl->mAutoScrollDirectionRTL = firstline->direction;
+ }
+ }
+ }
+ } // REORDER
+
+ // Sets the actual size.
+ if( NO_OPERATION != ( UPDATE_ACTUAL_SIZE & operations ) )
+ {
+ mImpl->mVisualModel->SetLayoutSize( layoutSize );
+ }
+ } // view updated
+
+ // Store the size used to layout the text.
+ mImpl->mVisualModel->mControlSize = size;
+ }
+ else
+ {
+ layoutSize = mImpl->mVisualModel->GetLayoutSize();
+ }
+
+ if( NO_OPERATION != ( ALIGN & operations ) )
+ {
+ // The laid-out lines.
+ Vector<LineRun>& lines = mImpl->mVisualModel->mLines;
+
+ mImpl->mLayoutEngine.Align( size,
+ startIndex,
+ requestedNumberOfCharacters,
+ lines );
+
+ viewUpdated = true;
+ }
+#if defined(DEBUG_ENABLED)
+ std::string currentText;
+ GetText( currentText );
+ DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::DoRelayout [%p] mImpl->mAutoScrollDirectionRTL[%s] [%s]\n", this, (mImpl->mAutoScrollDirectionRTL)?"true":"false", currentText.c_str() );
+#endif
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout, view updated %s\n", ( viewUpdated ? "true" : "false" ) );
+ return viewUpdated;
+}
+
+void Controller::SetMultiLineEnabled( bool enable )
+{
+ const LayoutEngine::Layout layout = enable ? LayoutEngine::MULTI_LINE_BOX : LayoutEngine::SINGLE_LINE_BOX;
+
+ if( layout != mImpl->mLayoutEngine.GetLayout() )
+ {
+ // Set the layout type.
+ mImpl->mLayoutEngine.SetLayout( layout );
+
+ // Set the flags to redo the layout operations
+ const OperationsMask layoutOperations = static_cast<OperationsMask>( LAYOUT |
+ UPDATE_ACTUAL_SIZE |
+ ALIGN |
+ REORDER );
+
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | layoutOperations );
+
+ mImpl->RequestRelayout();
+ }
+}
+
+bool Controller::IsMultiLineEnabled() const
+{
+ return LayoutEngine::MULTI_LINE_BOX == mImpl->mLayoutEngine.GetLayout();
+}
+
+void Controller::SetHorizontalAlignment( LayoutEngine::HorizontalAlignment alignment )
+{
+ if( alignment != mImpl->mLayoutEngine.GetHorizontalAlignment() )
+ {
+ // Set the alignment.
+ mImpl->mLayoutEngine.SetHorizontalAlignment( alignment );
+
+ // Set the flag to redo the alignment operation.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | ALIGN );
+
+ mImpl->RequestRelayout();
+ }
+}
+
+LayoutEngine::HorizontalAlignment Controller::GetHorizontalAlignment() const
+{
+ return mImpl->mLayoutEngine.GetHorizontalAlignment();
+}
+
+void Controller::SetVerticalAlignment( LayoutEngine::VerticalAlignment alignment )
+{
+ if( alignment != mImpl->mLayoutEngine.GetVerticalAlignment() )
+ {
+ // Set the alignment.
+ mImpl->mLayoutEngine.SetVerticalAlignment( alignment );
+
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | ALIGN );
+
+ mImpl->RequestRelayout();
+ }
+}
+
+LayoutEngine::VerticalAlignment Controller::GetVerticalAlignment() const
+{
+ return mImpl->mLayoutEngine.GetVerticalAlignment();
+}
+
+void Controller::CalculateTextAlignment( const Size& controlSize )
+{
+ Size layoutSize = mImpl->mVisualModel->GetLayoutSize();
+
+ if( fabsf( layoutSize.height ) < Math::MACHINE_EPSILON_1000 )
+ {
+ // Get the line height of the default font.
+ layoutSize.height = mImpl->GetDefaultFontLineHeight();
+ }
+
+ if( LayoutEngine::SINGLE_LINE_BOX == mImpl->mLayoutEngine.GetLayout() )
+ {
+ // Get the direction of the first character.
+ const CharacterDirection firstParagraphDirection = mImpl->mLogicalModel->GetCharacterDirection( 0u );
+
+ // If the first paragraph is right to left swap ALIGN_BEGIN and ALIGN_END;
+ LayoutEngine::HorizontalAlignment horizontalAlignment = mImpl->mLayoutEngine.GetHorizontalAlignment();
+ if( firstParagraphDirection )
+ {
+ switch( horizontalAlignment )
+ {
+ case LayoutEngine::HORIZONTAL_ALIGN_BEGIN:
+ {
+ horizontalAlignment = LayoutEngine::HORIZONTAL_ALIGN_END;
+ break;
+ }
+ case LayoutEngine::HORIZONTAL_ALIGN_CENTER:
+ {
+ // Nothing to do.
+ break;
+ }
+ case LayoutEngine::HORIZONTAL_ALIGN_END:
+ {
+ horizontalAlignment = LayoutEngine::HORIZONTAL_ALIGN_BEGIN;
+ break;
+ }
+ }
+ }
+
+ switch( horizontalAlignment )
+ {
+ case LayoutEngine::HORIZONTAL_ALIGN_BEGIN:
+ {
+ mImpl->mAlignmentOffset.x = 0.f;
+ break;
+ }
+ case LayoutEngine::HORIZONTAL_ALIGN_CENTER:
+ {
+ mImpl->mAlignmentOffset.x = floorf( 0.5f * ( controlSize.width - layoutSize.width ) ); // try to avoid pixel alignment.
+ break;
+ }
+ case LayoutEngine::HORIZONTAL_ALIGN_END:
+ {
+ mImpl->mAlignmentOffset.x = controlSize.width - layoutSize.width;
+ break;
+ }
+ }
+ }
+
+ const LayoutEngine::VerticalAlignment verticalAlignment = mImpl->mLayoutEngine.GetVerticalAlignment();
+ switch( verticalAlignment )
+ {
+ case LayoutEngine::VERTICAL_ALIGN_TOP:
+ {
+ mImpl->mAlignmentOffset.y = 0.f;
+ break;
+ }
+ case LayoutEngine::VERTICAL_ALIGN_CENTER:
+ {
+ mImpl->mAlignmentOffset.y = floorf( 0.5f * ( controlSize.height - layoutSize.height ) ); // try to avoid pixel alignment.
+ break;
+ }
+ case LayoutEngine::VERTICAL_ALIGN_BOTTOM:
+ {
+ mImpl->mAlignmentOffset.y = controlSize.height - layoutSize.height;
+ break;
+ }
+ }
+}
+
+LayoutEngine& Controller::GetLayoutEngine()
+{
+ return mImpl->mLayoutEngine;
+}
+
+View& Controller::GetView()
+{
+ return mImpl->mView;
+}
+
+void Controller::KeyboardFocusGainEvent()
+{
+ DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusGainEvent" );
+
+ if( NULL != mImpl->mEventData )
+ {
+ if( ( EventData::INACTIVE == mImpl->mEventData->mState ) ||
+ ( EventData::INTERRUPTED == mImpl->mEventData->mState ) )
+ {
+ mImpl->ChangeState( EventData::EDITING );
+ mImpl->mEventData->mUpdateCursorPosition = true; //If editing started without tap event, cursor update must be triggered.
+ }
+
+ if( mImpl->IsShowingPlaceholderText() )
+ {
+ // Show alternative placeholder-text when editing
+ ShowPlaceholderText();
+ }
+
+ mImpl->RequestRelayout();
+ }
+}
+
+void Controller::KeyboardFocusLostEvent()
+{
+ DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusLostEvent" );
+
+ if( NULL != mImpl->mEventData )
+ {
+ if( EventData::INTERRUPTED != mImpl->mEventData->mState )
+ {
+ mImpl->ChangeState( EventData::INACTIVE );
+
+ if( !mImpl->IsShowingRealText() )
+ {
+ // Revert to regular placeholder-text when not editing
+ ShowPlaceholderText();
+ }
+ }
+ }
+ mImpl->RequestRelayout();
+}
+
+bool Controller::KeyEvent( const Dali::KeyEvent& keyEvent )
+{
+ DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyEvent" );
+
+ bool textChanged( false );
+
+ if( ( NULL != mImpl->mEventData ) &&
+ ( keyEvent.state == KeyEvent::Down ) )
+ {
+ int keyCode = keyEvent.keyCode;
+ const std::string& keyString = keyEvent.keyPressed;
+
+ // Pre-process to separate modifying events from non-modifying input events.
+ if( Dali::DALI_KEY_ESCAPE == keyCode )
+ {
+ // Escape key is a special case which causes focus loss
+ KeyboardFocusLostEvent();
+ }
+ else if( ( Dali::DALI_KEY_CURSOR_LEFT == keyCode ) ||
+ ( Dali::DALI_KEY_CURSOR_RIGHT == keyCode ) ||
+ ( Dali::DALI_KEY_CURSOR_UP == keyCode ) ||
+ ( Dali::DALI_KEY_CURSOR_DOWN == keyCode ) )
+ {
+ Event event( Event::CURSOR_KEY_EVENT );
+ event.p1.mInt = keyCode;
+ mImpl->mEventData->mEventQueue.push_back( event );
+ }
+ else if( Dali::DALI_KEY_BACKSPACE == keyCode )
+ {
+ textChanged = BackspaceKeyEvent();
+ }
+ else if( IsKey( keyEvent, Dali::DALI_KEY_POWER ) )
+ {
+ mImpl->ChangeState( EventData::INTERRUPTED ); // State is not INACTIVE as expect to return to edit mode.
+ // Avoids calling the InsertText() method which can delete selected text
+ }
+ else if( IsKey( keyEvent, Dali::DALI_KEY_MENU ) ||
+ IsKey( keyEvent, Dali::DALI_KEY_HOME ) )
+ {
+ mImpl->ChangeState( EventData::INACTIVE );
+ // Menu/Home key behaviour does not allow edit mode to resume like Power key
+ // Avoids calling the InsertText() method which can delete selected text
+ }
+ else if( Dali::DALI_KEY_SHIFT_LEFT == keyCode )
+ {
+ // DALI_KEY_SHIFT_LEFT is the key code for the Left Shift. It's sent (by the imf?) when the predictive text is enabled
+ // and a character is typed after the type of a upper case latin character.
+
+ // Do nothing.
+ }
+ else
+ {
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p keyString %s\n", this, keyString.c_str() );
+
+ // IMF manager is no longer handling key-events
+ mImpl->ClearPreEditFlag();
+
+ InsertText( keyString, COMMIT );
+ textChanged = true;
+ }
+
+ if( ( mImpl->mEventData->mState != EventData::INTERRUPTED ) &&
+ ( mImpl->mEventData->mState != EventData::INACTIVE ) )
+ {
+ mImpl->ChangeState( EventData::EDITING );
+ }
+
+ mImpl->RequestRelayout();
+ }
+
+ if( textChanged )
+ {
+ // Do this last since it provides callbacks into application code
+ mImpl->mControlInterface.TextChanged();
+ }
+
+ return true;
+}
+
+void Controller::InsertText( const std::string& text, Controller::InsertType type )
+{
+ bool removedPrevious( false );
+ bool maxLengthReached( false );
+
+ DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected InsertText" )
+
+ if( NULL == mImpl->mEventData )
+ {
+ return;
+ }
+
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::InsertText %p %s (%s) mPrimaryCursorPosition %d mPreEditFlag %d mPreEditStartPosition %d mPreEditLength %d\n",
+ this, text.c_str(), (COMMIT == type ? "COMMIT" : "PRE_EDIT"),
+ mImpl->mEventData->mPrimaryCursorPosition, mImpl->mEventData->mPreEditFlag, mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
+
+ // TODO: At the moment the underline runs are only for pre-edit.
+ mImpl->mVisualModel->mUnderlineRuns.Clear();
+
+ // Keep the current number of characters.
+ const Length currentNumberOfCharacters = mImpl->IsShowingRealText() ? mImpl->mLogicalModel->mText.Count() : 0u;
+
+ // Remove the previous IMF pre-edit.
+ if( mImpl->mEventData->mPreEditFlag && ( 0u != mImpl->mEventData->mPreEditLength ) )
+ {
+ removedPrevious = RemoveText( -static_cast<int>( mImpl->mEventData->mPrimaryCursorPosition - mImpl->mEventData->mPreEditStartPosition ),
+ mImpl->mEventData->mPreEditLength,
+ DONT_UPDATE_INPUT_STYLE );
+
+ mImpl->mEventData->mPrimaryCursorPosition = mImpl->mEventData->mPreEditStartPosition;
+ mImpl->mEventData->mPreEditLength = 0u;
+ }
+ else
+ {
+ // Remove the previous Selection.
+ removedPrevious = RemoveSelectedText();
+ }
+
+ Vector<Character> utf32Characters;
+ Length characterCount = 0u;
+
+ if( !text.empty() )
+ {
+ // Convert text into UTF-32
+ utf32Characters.Resize( text.size() );
+
+ // This is a bit horrible but std::string returns a (signed) char*
+ const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
+
+ // Transform a text array encoded in utf8 into an array encoded in utf32.
+ // It returns the actual number of characters.
+ characterCount = Utf8ToUtf32( utf8, text.size(), utf32Characters.Begin() );
+ utf32Characters.Resize( characterCount );
+
+ DALI_ASSERT_DEBUG( text.size() >= utf32Characters.Count() && "Invalid UTF32 conversion length" );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "UTF8 size %d, UTF32 size %d\n", text.size(), utf32Characters.Count() );
+ }
+
+ if( 0u != utf32Characters.Count() ) // Check if Utf8ToUtf32 conversion succeeded
+ {
+ // The placeholder text is no longer needed
+ if( mImpl->IsShowingPlaceholderText() )
+ {
+ ResetText();
+ }
+
+ mImpl->ChangeState( EventData::EDITING );
+
+ // Handle the IMF (predicitive text) state changes
+ if( COMMIT == type )
+ {
+ // IMF manager is no longer handling key-events
+ mImpl->ClearPreEditFlag();
+ }
+ else // PRE_EDIT
+ {
+ if( !mImpl->mEventData->mPreEditFlag )
+ {
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Entered PreEdit state" );
+
+ // Record the start of the pre-edit text
+ mImpl->mEventData->mPreEditStartPosition = mImpl->mEventData->mPrimaryCursorPosition;
+ }
+
+ mImpl->mEventData->mPreEditLength = utf32Characters.Count();
+ mImpl->mEventData->mPreEditFlag = true;
+
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "mPreEditStartPosition %d mPreEditLength %d\n", mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
+ }
+
+ const Length numberOfCharactersInModel = mImpl->mLogicalModel->mText.Count();
+
+ // Restrict new text to fit within Maximum characters setting.
+ Length maxSizeOfNewText = std::min( ( mImpl->mMaximumNumberOfCharacters - numberOfCharactersInModel ), characterCount );
+ maxLengthReached = ( characterCount > maxSizeOfNewText );
+
+ // The cursor position.
+ CharacterIndex& cursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
+
+ // Update the text's style.
+
+ // Updates the text style runs by adding characters.
+ mImpl->mLogicalModel->UpdateTextStyleRuns( cursorIndex, maxSizeOfNewText );
+
+ // Get the character index from the cursor index.
+ const CharacterIndex styleIndex = ( cursorIndex > 0u ) ? cursorIndex - 1u : 0u;
+
+ // Retrieve the text's style for the given index.
+ InputStyle style;
+ mImpl->RetrieveDefaultInputStyle( style );
+ mImpl->mLogicalModel->RetrieveStyle( styleIndex, style );
+
+ // Whether to add a new text color run.
+ const bool addColorRun = ( style.textColor != mImpl->mEventData->mInputStyle.textColor );
+
+ // Whether to add a new font run.
+ const bool addFontNameRun = style.familyName != mImpl->mEventData->mInputStyle.familyName;
+ const bool addFontWeightRun = style.weight != mImpl->mEventData->mInputStyle.weight;
+ const bool addFontWidthRun = style.width != mImpl->mEventData->mInputStyle.width;
+ const bool addFontSlantRun = style.slant != mImpl->mEventData->mInputStyle.slant;
+ const bool addFontSizeRun = style.size != mImpl->mEventData->mInputStyle.size;
+
+ // Add style runs.
+ if( addColorRun )
+ {
+ const VectorBase::SizeType numberOfRuns = mImpl->mLogicalModel->mColorRuns.Count();
+ mImpl->mLogicalModel->mColorRuns.Resize( numberOfRuns + 1u );
+
+ ColorRun& colorRun = *( mImpl->mLogicalModel->mColorRuns.Begin() + numberOfRuns );
+ colorRun.color = mImpl->mEventData->mInputStyle.textColor;
+ colorRun.characterRun.characterIndex = cursorIndex;
+ colorRun.characterRun.numberOfCharacters = maxSizeOfNewText;
+ }
+
+ if( addFontNameRun ||
+ addFontWeightRun ||
+ addFontWidthRun ||
+ addFontSlantRun ||
+ addFontSizeRun )
+ {
+ const VectorBase::SizeType numberOfRuns = mImpl->mLogicalModel->mFontDescriptionRuns.Count();
+ mImpl->mLogicalModel->mFontDescriptionRuns.Resize( numberOfRuns + 1u );
+
+ FontDescriptionRun& fontDescriptionRun = *( mImpl->mLogicalModel->mFontDescriptionRuns.Begin() + numberOfRuns );
+
+ if( addFontNameRun )
+ {
+ fontDescriptionRun.familyLength = mImpl->mEventData->mInputStyle.familyName.size();
+ fontDescriptionRun.familyName = new char[fontDescriptionRun.familyLength];
+ memcpy( fontDescriptionRun.familyName, mImpl->mEventData->mInputStyle.familyName.c_str(), fontDescriptionRun.familyLength );
+ fontDescriptionRun.familyDefined = true;
- mImpl->mLogicalModel->GetLineBreakInfo( lineBreakInfo.Begin(),
- 0u,
- numberOfCharacters );
+ // The memory allocated for the font family name is freed when the font description is removed from the logical model.
+ }
+
+ if( addFontWeightRun )
+ {
+ fontDescriptionRun.weight = mImpl->mEventData->mInputStyle.weight;
+ fontDescriptionRun.weightDefined = true;
+ }
- mImpl->mLogicalModel->GetWordBreakInfo( wordBreakInfo.Begin(),
- 0u,
- numberOfCharacters );
+ if( addFontWidthRun )
+ {
+ fontDescriptionRun.width = mImpl->mEventData->mInputStyle.width;
+ fontDescriptionRun.widthDefined = true;
+ }
- mImpl->mVisualModel->GetGlyphs( glyphs.Begin(),
- 0u,
- numberOfGlyphs );
+ if( addFontSlantRun )
+ {
+ fontDescriptionRun.slant = mImpl->mEventData->mInputStyle.slant;
+ fontDescriptionRun.slantDefined = true;
+ }
- mImpl->mVisualModel->GetGlyphToCharacterMap( glyphsToCharactersMap.Begin(),
- 0u,
- numberOfGlyphs );
+ if( addFontSizeRun )
+ {
+ fontDescriptionRun.size = static_cast<PointSize26Dot6>( mImpl->mEventData->mInputStyle.size * 64.f );
+ fontDescriptionRun.sizeDefined = true;
+ }
- mImpl->mVisualModel->GetCharactersPerGlyphMap( charactersPerGlyph.Begin(),
- 0u,
- numberOfGlyphs );
+ fontDescriptionRun.characterRun.characterIndex = cursorIndex;
+ fontDescriptionRun.characterRun.numberOfCharacters = maxSizeOfNewText;
}
- // Set the layout parameters.
- LayoutParameters layoutParameters( size,
- lineBreakInfo.Begin(),
- wordBreakInfo.Begin(),
- numberOfGlyphs,
- glyphs.Begin(),
- glyphsToCharactersMap.Begin(),
- charactersPerGlyph.Begin() );
+ // Insert at current cursor position.
+ Vector<Character>& modifyText = mImpl->mLogicalModel->mText;
+
+ if( cursorIndex < numberOfCharactersInModel )
+ {
+ modifyText.Insert( modifyText.Begin() + cursorIndex, utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText );
+ }
+ else
+ {
+ modifyText.Insert( modifyText.End(), utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText );
+ }
- // Reserve space to set the positions of the glyphs.
- Vector<Vector2> glyphPositions;
- glyphPositions.Resize( numberOfGlyphs );
+ // Mark the first paragraph to be updated.
+ mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd += maxSizeOfNewText;
- Size layoutSize;
+ // Update the cursor index.
+ cursorIndex += maxSizeOfNewText;
- // Update the visual model
- viewUpdated = mImpl->mLayoutEngine.LayoutText( layoutParameters,
- glyphPositions,
- layoutSize );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Inserted %d characters, new size %d new cursor %d\n", maxSizeOfNewText, mImpl->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition );
+ }
- // Sets the positions into the model.
- mImpl->mVisualModel->SetGlyphPositions( glyphPositions.Begin(),
- numberOfGlyphs );
+ const Length numberOfCharacters = mImpl->IsShowingRealText() ? mImpl->mLogicalModel->mText.Count() : 0u;
- // Sets the actual size.
- mImpl->mVisualModel->SetActualSize( layoutSize );
+ if( ( 0u == mImpl->mLogicalModel->mText.Count() ) &&
+ mImpl->IsPlaceholderAvailable() )
+ {
+ // Show place-holder if empty after removing the pre-edit text
+ ShowPlaceholderText();
+ mImpl->mEventData->mUpdateCursorPosition = true;
+ mImpl->ClearPreEditFlag();
}
+ else if( removedPrevious ||
+ ( 0 != utf32Characters.Count() ) )
+ {
+ // Queue an inserted event
+ mImpl->QueueModifyEvent( ModifyEvent::TEXT_INSERTED );
- return viewUpdated;
+ mImpl->mEventData->mUpdateCursorPosition = true;
+ if( numberOfCharacters < currentNumberOfCharacters )
+ {
+ mImpl->mEventData->mScrollAfterDelete = true;
+ }
+ else
+ {
+ mImpl->mEventData->mScrollAfterUpdatePosition = true;
+ }
+ }
+
+ if( maxLengthReached )
+ {
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "MaxLengthReached (%d)\n", mImpl->mLogicalModel->mText.Count() );
+
+ mImpl->ResetImfManager();
+
+ // Do this last since it provides callbacks into application code
+ mImpl->mControlInterface.MaxLengthReached();
+ }
}
-Vector3 Controller::GetNaturalSize()
+bool Controller::RemoveSelectedText()
+{
+ bool textRemoved( false );
+
+ if( EventData::SELECTING == mImpl->mEventData->mState )
+ {
+ std::string removedString;
+ mImpl->RetrieveSelection( removedString, true );
+
+ if( !removedString.empty() )
+ {
+ textRemoved = true;
+ mImpl->ChangeState( EventData::EDITING );
+ }
+ }
+
+ return textRemoved;
+}
+
+void Controller::TapEvent( unsigned int tapCount, float x, float y )
{
- // TODO - Finish implementing
- return Vector3::ZERO;
+ DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected TapEvent" );
+
+ if( NULL != mImpl->mEventData )
+ {
+ DALI_LOG_INFO( gLogFilter, Debug::Concise, "TapEvent state:%d \n", mImpl->mEventData->mState );
- // Operations that can be done only once until the text changes.
- const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
- GET_SCRIPTS |
- VALIDATE_FONTS |
- GET_LINE_BREAKS |
- GET_WORD_BREAKS |
- SHAPE_TEXT |
- GET_GLYPH_METRICS );
+ if( 1u == tapCount )
+ {
+ // This is to avoid unnecessary relayouts when tapping an empty text-field
+ bool relayoutNeeded( false );
+
+ if( ( EventData::EDITING_WITH_POPUP == mImpl->mEventData->mState ) ||
+ ( EventData::EDITING_WITH_PASTE_POPUP == mImpl->mEventData->mState ) )
+ {
+ mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE ); // If Popup shown hide it here so can be shown again if required.
+ }
- // Operations that need to be done if the size or the text changes.
- const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
- REORDER );
+ if( mImpl->IsShowingRealText() && ( EventData::INACTIVE != mImpl->mEventData->mState ) )
+ {
+ // Already in an active state so show a popup
+ if( !mImpl->IsClipboardEmpty() )
+ {
+ // Shows Paste popup but could show full popup with Selection options. ( EDITING_WITH_POPUP )
+ mImpl->ChangeState( EventData::EDITING_WITH_PASTE_POPUP );
+ }
+ else
+ {
+ mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE );
+ }
+ relayoutNeeded = true;
+ }
+ else
+ {
+ if( mImpl->IsShowingPlaceholderText() && !mImpl->IsFocusedPlaceholderAvailable() )
+ {
+ // Hide placeholder text
+ ResetText();
+ }
- const float maxFloat = std::numeric_limits<float>::max();
- DoRelayout( Vector2( maxFloat, maxFloat ),
- static_cast<OperationsMask>( onlyOnceOperations |
- sizeOperations ) );
+ if( EventData::INACTIVE == mImpl->mEventData->mState )
+ {
+ mImpl->ChangeState( EventData::EDITING );
+ }
+ else if( !mImpl->IsClipboardEmpty() )
+ {
+ mImpl->ChangeState( EventData::EDITING_WITH_POPUP );
+ }
+ relayoutNeeded = true;
+ }
- // Do not do again the only once operations.
- mImpl->mOperations = static_cast<OperationsMask>( mImpl->mOperations & ~onlyOnceOperations );
+ // Handles & cursors must be repositioned after Relayout() i.e. after the Model has been updated
+ if( relayoutNeeded )
+ {
+ Event event( Event::TAP_EVENT );
+ event.p1.mUint = tapCount;
+ event.p2.mFloat = x;
+ event.p3.mFloat = y;
+ mImpl->mEventData->mEventQueue.push_back( event );
- // Do the size related operations again.
- mImpl->mOperations = static_cast<OperationsMask>( mImpl->mOperations | sizeOperations );
+ mImpl->RequestRelayout();
+ }
+ }
+ else if( 2u == tapCount )
+ {
+ if( mImpl->mEventData->mSelectionEnabled &&
+ mImpl->IsShowingRealText() )
+ {
+ SelectEvent( x, y, false );
+ }
+ }
+ }
- return Vector3( mImpl->mVisualModel->GetNaturalSize() );
+ // Reset keyboard as tap event has occurred.
+ mImpl->ResetImfManager();
}
-float Controller::GetHeightForWidth( float width )
+void Controller::PanEvent( Gesture::State state, const Vector2& displacement )
+ // Show cursor and grabhandle on first tap, this matches the behaviour of tapping when already editing
{
- // Operations that can be done only once until the text changes.
- const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
- GET_SCRIPTS |
- VALIDATE_FONTS |
- GET_LINE_BREAKS |
- GET_WORD_BREAKS |
- SHAPE_TEXT |
- GET_GLYPH_METRICS );
+ DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected PanEvent" );
+
+ if( NULL != mImpl->mEventData )
+ {
+ Event event( Event::PAN_EVENT );
+ event.p1.mInt = state;
+ event.p2.mFloat = displacement.x;
+ event.p3.mFloat = displacement.y;
+ mImpl->mEventData->mEventQueue.push_back( event );
+
+ mImpl->RequestRelayout();
+ }
+}
- // Operations that need to be done if the size or the text changes.
- const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
- REORDER );
+void Controller::LongPressEvent( Gesture::State state, float x, float y )
+{
+ DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected LongPressEvent" );
- DoRelayout( Size( width, 0.f ),
- static_cast<OperationsMask>( onlyOnceOperations |
- sizeOperations ) );
+ if( ( state == Gesture::Started ) &&
+ ( NULL != mImpl->mEventData ) )
+ {
+ if( !mImpl->IsShowingRealText() )
+ {
+ Event event( Event::LONG_PRESS_EVENT );
+ event.p1.mInt = state;
+ mImpl->mEventData->mEventQueue.push_back( event );
+ mImpl->RequestRelayout();
+ }
+ else
+ {
+ // The 1st long-press on inactive text-field is treated as tap
+ if( EventData::INACTIVE == mImpl->mEventData->mState )
+ {
+ mImpl->ChangeState( EventData::EDITING );
- // Do not do again the only once operations.
- mImpl->mOperations = static_cast<OperationsMask>( mImpl->mOperations & ~onlyOnceOperations );
+ Event event( Event::TAP_EVENT );
+ event.p1.mUint = 1;
+ event.p2.mFloat = x;
+ event.p3.mFloat = y;
+ mImpl->mEventData->mEventQueue.push_back( event );
- // Do the size related operations again.
- mImpl->mOperations = static_cast<OperationsMask>( mImpl->mOperations | sizeOperations );
+ mImpl->RequestRelayout();
+ }
+ else
+ {
+ // Reset the imf manger to commit the pre-edit before selecting the text.
+ mImpl->ResetImfManager();
- return mImpl->mVisualModel->GetActualSize().height;
+ SelectEvent( x, y, false );
+ }
+ }
+ }
}
-View& Controller::GetView()
+void Controller::SelectEvent( float x, float y, bool selectAll )
{
- return mImpl->mView;
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SelectEvent\n" );
+
+ if( NULL != mImpl->mEventData )
+ {
+ mImpl->ChangeState( EventData::SELECTING );
+
+ if( selectAll )
+ {
+ Event event( Event::SELECT_ALL );
+ mImpl->mEventData->mEventQueue.push_back( event );
+ }
+ else
+ {
+ Event event( Event::SELECT );
+ event.p2.mFloat = x;
+ event.p3.mFloat = y;
+ mImpl->mEventData->mEventQueue.push_back( event );
+ }
+
+ mImpl->RequestRelayout();
+ }
}
-LayoutEngine& Controller::GetLayoutEngine()
+void Controller::GetTargetSize( Vector2& targetSize )
{
- return mImpl->mLayoutEngine;
+ targetSize = mImpl->mVisualModel->mControlSize;
}
-void Controller::RequestRelayout()
+void Controller::AddDecoration( Actor& actor, bool needsClipping )
{
- mImpl->mControlInterface.RequestTextRelayout();
+ mImpl->mControlInterface.AddDecoration( actor, needsClipping );
}
-void Controller::KeyboardFocusGainEvent()
+void Controller::DecorationEvent( HandleType handleType, HandleState state, float x, float y )
{
- DALI_ASSERT_DEBUG( mImpl->mTextInput && "Unexpected KeyboardFocusGainEvent" );
+ DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected DecorationEvent" );
- if( mImpl->mTextInput )
+ if( NULL != mImpl->mEventData )
{
- TextInput::Event event( TextInput::KEYBOARD_FOCUS_GAIN_EVENT );
- mImpl->mTextInput->mEventQueue.push_back( event );
+ switch( handleType )
+ {
+ case GRAB_HANDLE:
+ {
+ Event event( Event::GRAB_HANDLE_EVENT );
+ event.p1.mUint = state;
+ event.p2.mFloat = x;
+ event.p3.mFloat = y;
+
+ mImpl->mEventData->mEventQueue.push_back( event );
+ break;
+ }
+ case LEFT_SELECTION_HANDLE:
+ {
+ Event event( Event::LEFT_SELECTION_HANDLE_EVENT );
+ event.p1.mUint = state;
+ event.p2.mFloat = x;
+ event.p3.mFloat = y;
+
+ mImpl->mEventData->mEventQueue.push_back( event );
+ break;
+ }
+ case RIGHT_SELECTION_HANDLE:
+ {
+ Event event( Event::RIGHT_SELECTION_HANDLE_EVENT );
+ event.p1.mUint = state;
+ event.p2.mFloat = x;
+ event.p3.mFloat = y;
+
+ mImpl->mEventData->mEventQueue.push_back( event );
+ break;
+ }
+ case LEFT_SELECTION_HANDLE_MARKER:
+ case RIGHT_SELECTION_HANDLE_MARKER:
+ {
+ // Markers do not move the handles.
+ break;
+ }
+ case HANDLE_TYPE_COUNT:
+ {
+ DALI_ASSERT_DEBUG( !"Controller::HandleEvent. Unexpected handle type" );
+ }
+ }
- RequestRelayout();
+ mImpl->RequestRelayout();
}
}
-void Controller::KeyboardFocusLostEvent()
+void Controller::PasteText( const std::string& stringToPaste )
+{
+ InsertText( stringToPaste, Text::Controller::COMMIT );
+ mImpl->ChangeState( EventData::EDITING );
+ mImpl->RequestRelayout();
+
+ // Do this last since it provides callbacks into application code
+ mImpl->mControlInterface.TextChanged();
+}
+
+void Controller::PasteClipboardItemEvent()
+{
+ // Retrieve the clipboard contents first
+ ClipboardEventNotifier notifier( ClipboardEventNotifier::Get() );
+ std::string stringToPaste( notifier.GetContent() );
+
+ // Commit the current pre-edit text; the contents of the clipboard should be appended
+ mImpl->ResetImfManager();
+
+ // Temporary disable hiding clipboard
+ mImpl->SetClipboardHideEnable( false );
+
+ // Paste
+ PasteText( stringToPaste );
+
+ mImpl->SetClipboardHideEnable( true );
+}
+
+void Controller::TextPopupButtonTouched( Dali::Toolkit::TextSelectionPopup::Buttons button )
{
- DALI_ASSERT_DEBUG( mImpl->mTextInput && "Unexpected KeyboardFocusLostEvent" );
+ if( NULL == mImpl->mEventData )
+ {
+ return;
+ }
- if( mImpl->mTextInput )
+ switch( button )
{
- TextInput::Event event( TextInput::KEYBOARD_FOCUS_LOST_EVENT );
- mImpl->mTextInput->mEventQueue.push_back( event );
+ case Toolkit::TextSelectionPopup::CUT:
+ {
+ mImpl->SendSelectionToClipboard( true ); // Synchronous call to modify text
+ mImpl->mOperationsPending = ALL_OPERATIONS;
+
+ // This is to reset the virtual keyboard to Upper-case
+ if( 0u == mImpl->mLogicalModel->mText.Count() )
+ {
+ NotifyImfManager();
+ }
+
+ if( ( 0u != mImpl->mLogicalModel->mText.Count() ) ||
+ !mImpl->IsPlaceholderAvailable() )
+ {
+ mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
+ }
+ else
+ {
+ ShowPlaceholderText();
+ }
+
+ mImpl->mEventData->mUpdateCursorPosition = true;
+ mImpl->mEventData->mScrollAfterDelete = true;
+
+ mImpl->RequestRelayout();
+ mImpl->mControlInterface.TextChanged();
+ break;
+ }
+ case Toolkit::TextSelectionPopup::COPY:
+ {
+ mImpl->SendSelectionToClipboard( false ); // Text not modified
+ mImpl->RequestRelayout(); // Handles, Selection Highlight, Popup
+ break;
+ }
+ case Toolkit::TextSelectionPopup::PASTE:
+ {
+ std::string stringToPaste("");
+ mImpl->GetTextFromClipboard( 0, stringToPaste ); // Paste latest item from system clipboard
+ PasteText( stringToPaste );
+ break;
+ }
+ case Toolkit::TextSelectionPopup::SELECT:
+ {
+ const Vector2& currentCursorPosition = mImpl->mEventData->mDecorator->GetPosition( PRIMARY_CURSOR );
- RequestRelayout();
+ if( mImpl->mEventData->mSelectionEnabled )
+ {
+ // Creates a SELECT event.
+ SelectEvent( currentCursorPosition.x, currentCursorPosition.y, false );
+ }
+ break;
+ }
+ case Toolkit::TextSelectionPopup::SELECT_ALL:
+ {
+ // Creates a SELECT_ALL event
+ SelectEvent( 0.f, 0.f, true );
+ break;
+ }
+ case Toolkit::TextSelectionPopup::CLIPBOARD:
+ {
+ mImpl->ShowClipboard();
+ break;
+ }
+ case Toolkit::TextSelectionPopup::NONE:
+ {
+ // Nothing to do.
+ break;
+ }
}
}
-bool Controller::KeyEvent( const Dali::KeyEvent& keyEvent )
+ImfManager::ImfCallbackData Controller::OnImfEvent( ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent )
{
- DALI_ASSERT_DEBUG( mImpl->mTextInput && "Unexpected KeyEvent" );
+ bool update = false;
+ bool requestRelayout = false;
+
+ std::string text;
+ unsigned int cursorPosition = 0u;
- if( mImpl->mTextInput )
+ switch( imfEvent.eventName )
{
- TextInput::Event event( TextInput::KEY_EVENT );
- event.p1.mInt = keyEvent.keyCode;
- event.p2.mString = NULL;
+ case ImfManager::COMMIT:
+ {
+ InsertText( imfEvent.predictiveString, Text::Controller::COMMIT );
+ update = true;
+ requestRelayout = true;
+ break;
+ }
+ case ImfManager::PREEDIT:
+ {
+ InsertText( imfEvent.predictiveString, Text::Controller::PRE_EDIT );
+ update = true;
+ requestRelayout = true;
+ break;
+ }
+ case ImfManager::DELETESURROUNDING:
+ {
+ update = RemoveText( imfEvent.cursorOffset,
+ imfEvent.numberOfChars,
+ DONT_UPDATE_INPUT_STYLE );
- const std::string& keyString = keyEvent.keyPressed;
- if ( !keyString.empty() )
+ if( update )
+ {
+ if( ( 0u != mImpl->mLogicalModel->mText.Count() ) ||
+ !mImpl->IsPlaceholderAvailable() )
+ {
+ mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
+ }
+ else
+ {
+ ShowPlaceholderText();
+ }
+ mImpl->mEventData->mUpdateCursorPosition = true;
+ mImpl->mEventData->mScrollAfterDelete = true;
+ }
+ requestRelayout = true;
+ break;
+ }
+ case ImfManager::GETSURROUNDING:
+ {
+ GetText( text );
+ cursorPosition = GetLogicalCursorPosition();
+
+ imfManager.SetSurroundingText( text );
+ imfManager.SetCursorPosition( cursorPosition );
+ break;
+ }
+ case ImfManager::VOID:
{
- event.p2.mString = new char[keyString.size() + 1];
- std::copy(keyString.begin(), keyString.end(), event.p2.mString);
- event.p2.mString[keyString.size()] = '\0';
+ // do nothing
+ break;
}
+ } // end switch
- mImpl->mTextInput->mEventQueue.push_back( event );
+ if( ImfManager::GETSURROUNDING != imfEvent.eventName )
+ {
+ GetText( text );
+ cursorPosition = GetLogicalCursorPosition();
+ }
+
+ if( requestRelayout )
+ {
+ mImpl->mOperationsPending = ALL_OPERATIONS;
+ mImpl->RequestRelayout();
- RequestRelayout();
+ // Do this last since it provides callbacks into application code
+ mImpl->mControlInterface.TextChanged();
}
- return false;
+ ImfManager::ImfCallbackData callbackData( update, cursorPosition, text, false );
+
+ return callbackData;
}
-void Controller::TapEvent( unsigned int tapCount, float x, float y )
+Controller::~Controller()
+{
+ delete mImpl;
+}
+
+bool Controller::BackspaceKeyEvent()
{
- DALI_ASSERT_DEBUG( mImpl->mTextInput && "Unexpected TapEvent" );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p DALI_KEY_BACKSPACE\n", this );
+
+ bool removed = false;
+
+ if( NULL == mImpl->mEventData )
+ {
+ return removed;
+ }
+
+ // IMF manager is no longer handling key-events
+ mImpl->ClearPreEditFlag();
+
+ if( EventData::SELECTING == mImpl->mEventData->mState )
+ {
+ removed = RemoveSelectedText();
+ }
+ else if( mImpl->mEventData->mPrimaryCursorPosition > 0 )
+ {
+ // Remove the character before the current cursor position
+ removed = RemoveText( -1,
+ 1,
+ UPDATE_INPUT_STYLE );
+ }
- if( mImpl->mTextInput )
+ if( removed )
{
- TextInput::Event event( TextInput::TAP_EVENT );
- event.p1.mUint = tapCount;
- event.p2.mFloat = x;
- event.p3.mFloat = y;
- mImpl->mTextInput->mEventQueue.push_back( event );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p DALI_KEY_BACKSPACE RemovedText\n", this );
+ // Notifiy the IMF manager after text changed
+ // Automatic Upper-case and restarting prediction on an existing word require this.
+ NotifyImfManager();
- RequestRelayout();
+ if( ( 0u != mImpl->mLogicalModel->mText.Count() ) ||
+ !mImpl->IsPlaceholderAvailable() )
+ {
+ mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
+ }
+ else
+ {
+ ShowPlaceholderText();
+ }
+ mImpl->mEventData->mUpdateCursorPosition = true;
+ mImpl->mEventData->mScrollAfterDelete = true;
}
+
+ return removed;
}
-void Controller::GrabHandleEvent( GrabHandleState state, float x, float y )
+void Controller::NotifyImfManager()
{
- DALI_ASSERT_DEBUG( mImpl->mTextInput && "Unexpected GrabHandleEvent" );
+ if( NULL != mImpl->mEventData )
+ {
+ if( mImpl->mEventData->mImfManager )
+ {
+ // Notifying IMF of a cursor change triggers a surrounding text request so updating it now.
+ std::string text;
+ GetText( text );
+ mImpl->mEventData->mImfManager.SetSurroundingText( text );
+
+ mImpl->mEventData->mImfManager.SetCursorPosition( GetLogicalCursorPosition() );
+ mImpl->mEventData->mImfManager.NotifyCursorPosition();
+ }
+ }
+}
- if( mImpl->mTextInput )
+void Controller::ShowPlaceholderText()
+{
+ if( mImpl->IsPlaceholderAvailable() )
{
- TextInput::Event event( TextInput::GRAB_HANDLE_EVENT );
- event.p1.mUint = state;
- event.p2.mFloat = x;
- event.p3.mFloat = y;
- mImpl->mTextInput->mEventQueue.push_back( event );
+ DALI_ASSERT_DEBUG( mImpl->mEventData && "No placeholder text available" );
+
+ if( NULL == mImpl->mEventData )
+ {
+ return;
+ }
+
+ mImpl->mEventData->mIsShowingPlaceholderText = true;
+
+ // Disable handles when showing place-holder text
+ mImpl->mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
+ mImpl->mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mImpl->mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+
+ const char* text( NULL );
+ size_t size( 0 );
+
+ // TODO - Switch placeholder text styles when changing state
+ if( ( EventData::INACTIVE != mImpl->mEventData->mState ) &&
+ ( 0u != mImpl->mEventData->mPlaceholderTextActive.c_str() ) )
+ {
+ text = mImpl->mEventData->mPlaceholderTextActive.c_str();
+ size = mImpl->mEventData->mPlaceholderTextActive.size();
+ }
+ else
+ {
+ text = mImpl->mEventData->mPlaceholderTextInactive.c_str();
+ size = mImpl->mEventData->mPlaceholderTextInactive.size();
+ }
+
+ mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
+
+ // Reset model for showing placeholder.
+ mImpl->mLogicalModel->mText.Clear();
+ mImpl->mVisualModel->SetTextColor( mImpl->mEventData->mPlaceholderTextColor );
+
+ // Convert text into UTF-32
+ Vector<Character>& utf32Characters = mImpl->mLogicalModel->mText;
+ utf32Characters.Resize( size );
+
+ // This is a bit horrible but std::string returns a (signed) char*
+ const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text );
+
+ // Transform a text array encoded in utf8 into an array encoded in utf32.
+ // It returns the actual number of characters.
+ const Length characterCount = Utf8ToUtf32( utf8, size, utf32Characters.Begin() );
+ utf32Characters.Resize( characterCount );
+
+ // The characters to be added.
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = characterCount;
- RequestRelayout();
+ // Reset the cursor position
+ mImpl->mEventData->mPrimaryCursorPosition = 0;
+
+ // The natural size needs to be re-calculated.
+ mImpl->mRecalculateNaturalSize = true;
+
+ // Apply modifications to the model
+ mImpl->mOperationsPending = ALL_OPERATIONS;
+
+ // Update the rest of the model during size negotiation
+ mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED );
}
}
-Controller::~Controller()
+void Controller::ClearFontData()
{
- delete mImpl;
+ if( mImpl->mFontDefaults )
+ {
+ mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
+ }
+
+ // Set flags to update the model.
+ mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mLogicalModel->mText.Count();
+
+ mImpl->mTextUpdateInfo.mClearAll = true;
+ mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true;
+ mImpl->mRecalculateNaturalSize = true;
+
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
+ VALIDATE_FONTS |
+ SHAPE_TEXT |
+ GET_GLYPH_METRICS |
+ LAYOUT |
+ UPDATE_ACTUAL_SIZE |
+ REORDER |
+ ALIGN );
+}
+
+void Controller::ClearStyleData()
+{
+ mImpl->mLogicalModel->mColorRuns.Clear();
+ mImpl->mLogicalModel->ClearFontDescriptionRuns();
}
Controller::Controller( ControlInterface& controlInterface )
projects / platform / core / uifw / dali-toolkit.git / blobdiff