2 * Copyright (c) 2017 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali-toolkit/internal/text/text-controller.h>
24 #include <dali/public-api/adaptor-framework/key.h>
25 #include <dali/integration-api/debug.h>
26 #include <dali/devel-api/adaptor-framework/clipboard-event-notifier.h>
27 #include <dali/devel-api/text-abstraction/font-client.h>
30 #include <dali-toolkit/internal/text/bidirectional-support.h>
31 #include <dali-toolkit/internal/text/character-set-conversion.h>
32 #include <dali-toolkit/internal/text/layouts/layout-parameters.h>
33 #include <dali-toolkit/internal/text/markup-processor.h>
34 #include <dali-toolkit/internal/text/text-controller-impl.h>
35 #include <dali-toolkit/internal/text/text-editable-control-interface.h>
40 #if defined(DEBUG_ENABLED)
41 Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
44 const float MAX_FLOAT = std::numeric_limits<float>::max();
46 const std::string EMPTY_STRING("");
48 float ConvertToEven( float value )
50 int intValue(static_cast<int>( value ));
51 return static_cast<float>(intValue % 2 == 0) ? intValue : (intValue + 1);
66 * @brief Adds a new font description run for the selected text.
68 * The new font parameters are added after the call to this method.
70 * @param[in] eventData The event data pointer.
71 * @param[in] logicalModel The logical model where to add the new font description run.
72 * @param[out] startOfSelectedText Index to the first selected character.
73 * @param[out] lengthOfSelectedText Number of selected characters.
75 FontDescriptionRun& UpdateSelectionFontStyleRun( EventData* eventData,
76 LogicalModelPtr logicalModel,
77 CharacterIndex& startOfSelectedText,
78 Length& lengthOfSelectedText )
80 const bool handlesCrossed = eventData->mLeftSelectionPosition > eventData->mRightSelectionPosition;
82 // Get start and end position of selection
83 startOfSelectedText = handlesCrossed ? eventData->mRightSelectionPosition : eventData->mLeftSelectionPosition;
84 lengthOfSelectedText = ( handlesCrossed ? eventData->mLeftSelectionPosition : eventData->mRightSelectionPosition ) - startOfSelectedText;
87 const VectorBase::SizeType numberOfRuns = logicalModel->mFontDescriptionRuns.Count();
88 logicalModel->mFontDescriptionRuns.Resize( numberOfRuns + 1u );
90 FontDescriptionRun& fontDescriptionRun = *( logicalModel->mFontDescriptionRuns.Begin() + numberOfRuns );
92 fontDescriptionRun.characterRun.characterIndex = startOfSelectedText;
93 fontDescriptionRun.characterRun.numberOfCharacters = lengthOfSelectedText;
95 // Recalculate the selection highlight as the metrics may have changed.
96 eventData->mUpdateLeftSelectionPosition = true;
97 eventData->mUpdateRightSelectionPosition = true;
98 eventData->mUpdateHighlightBox = true;
100 return fontDescriptionRun;
103 // public : Constructor.
105 ControllerPtr Controller::New()
107 return ControllerPtr( new Controller() );
110 ControllerPtr Controller::New( ControlInterface* controlInterface )
112 return ControllerPtr( new Controller( controlInterface ) );
115 ControllerPtr Controller::New( ControlInterface* controlInterface,
116 EditableControlInterface* editableControlInterface )
118 return ControllerPtr( new Controller( controlInterface,
119 editableControlInterface ) );
122 // public : Configure the text controller.
124 void Controller::EnableTextInput( DecoratorPtr decorator )
128 delete mImpl->mEventData;
129 mImpl->mEventData = NULL;
131 // Nothing else to do.
135 if( NULL == mImpl->mEventData )
137 mImpl->mEventData = new EventData( decorator );
141 void Controller::SetGlyphType( TextAbstraction::GlyphType glyphType )
143 // Metrics for bitmap & vector based glyphs are different
144 mImpl->mMetrics->SetGlyphType( glyphType );
146 // Clear the font-specific data
149 mImpl->RequestRelayout();
152 void Controller::SetMarkupProcessorEnabled( bool enable )
154 mImpl->mMarkupProcessorEnabled = enable;
157 bool Controller::IsMarkupProcessorEnabled() const
159 return mImpl->mMarkupProcessorEnabled;
162 void Controller::SetAutoScrollEnabled( bool enable )
164 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled[%s] SingleBox[%s]-> [%p]\n", (enable)?"true":"false", ( mImpl->mLayoutEngine.GetLayout() == Layout::Engine::SINGLE_LINE_BOX)?"true":"false", this );
166 if( mImpl->mLayoutEngine.GetLayout() == Layout::Engine::SINGLE_LINE_BOX )
170 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled for SINGLE_LINE_BOX\n" );
171 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
181 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled Disabling autoscroll\n");
182 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
189 mImpl->mIsAutoScrollEnabled = enable;
190 mImpl->RequestRelayout();
194 DALI_LOG_WARNING( "Attempted AutoScrolling on a non SINGLE_LINE_BOX, request ignored\n" );
195 mImpl->mIsAutoScrollEnabled = false;
199 bool Controller::IsAutoScrollEnabled() const
201 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::IsAutoScrollEnabled[%s]\n", mImpl->mIsAutoScrollEnabled?"true":"false" );
203 return mImpl->mIsAutoScrollEnabled;
206 CharacterDirection Controller::GetAutoScrollDirection() const
208 return mImpl->mAutoScrollDirectionRTL;
211 float Controller::GetAutoScrollLineAlignment() const
215 if( mImpl->mModel->mVisualModel &&
216 ( 0u != mImpl->mModel->mVisualModel->mLines.Count() ) )
218 offset = ( *mImpl->mModel->mVisualModel->mLines.Begin() ).alignmentOffset;
224 void Controller::SetHorizontalScrollEnabled( bool enable )
226 if( ( NULL != mImpl->mEventData ) &&
227 mImpl->mEventData->mDecorator )
229 mImpl->mEventData->mDecorator->SetHorizontalScrollEnabled( enable );
232 bool Controller::IsHorizontalScrollEnabled() const
234 if( ( NULL != mImpl->mEventData ) &&
235 mImpl->mEventData->mDecorator )
237 return mImpl->mEventData->mDecorator->IsHorizontalScrollEnabled();
243 void Controller::SetVerticalScrollEnabled( bool enable )
245 if( ( NULL != mImpl->mEventData ) &&
246 mImpl->mEventData->mDecorator )
248 if( mImpl->mEventData->mDecorator )
250 mImpl->mEventData->mDecorator->SetVerticalScrollEnabled( enable );
255 bool Controller::IsVerticalScrollEnabled() const
257 if( ( NULL != mImpl->mEventData ) &&
258 mImpl->mEventData->mDecorator )
260 return mImpl->mEventData->mDecorator->IsVerticalScrollEnabled();
266 void Controller::SetSmoothHandlePanEnabled( bool enable )
268 if( ( NULL != mImpl->mEventData ) &&
269 mImpl->mEventData->mDecorator )
271 mImpl->mEventData->mDecorator->SetSmoothHandlePanEnabled( enable );
275 bool Controller::IsSmoothHandlePanEnabled() const
277 if( ( NULL != mImpl->mEventData ) &&
278 mImpl->mEventData->mDecorator )
280 return mImpl->mEventData->mDecorator->IsSmoothHandlePanEnabled();
286 void Controller::SetMaximumNumberOfCharacters( Length maxCharacters )
288 mImpl->mMaximumNumberOfCharacters = maxCharacters;
291 int Controller::GetMaximumNumberOfCharacters()
293 return mImpl->mMaximumNumberOfCharacters;
296 void Controller::SetEnableCursorBlink( bool enable )
298 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "TextInput disabled" );
300 if( NULL != mImpl->mEventData )
302 mImpl->mEventData->mCursorBlinkEnabled = enable;
305 mImpl->mEventData->mDecorator )
307 mImpl->mEventData->mDecorator->StopCursorBlink();
312 bool Controller::GetEnableCursorBlink() const
314 if( NULL != mImpl->mEventData )
316 return mImpl->mEventData->mCursorBlinkEnabled;
322 void Controller::SetMultiLineEnabled( bool enable )
324 const Layout::Engine::Type layout = enable ? Layout::Engine::MULTI_LINE_BOX : Layout::Engine::SINGLE_LINE_BOX;
326 if( layout != mImpl->mLayoutEngine.GetLayout() )
328 // Set the layout type.
329 mImpl->mLayoutEngine.SetLayout( layout );
331 // Set the flags to redo the layout operations
332 const OperationsMask layoutOperations = static_cast<OperationsMask>( LAYOUT |
337 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | layoutOperations );
339 mImpl->RequestRelayout();
343 bool Controller::IsMultiLineEnabled() const
345 return Layout::Engine::MULTI_LINE_BOX == mImpl->mLayoutEngine.GetLayout();
348 void Controller::SetHorizontalAlignment( Layout::HorizontalAlignment alignment )
350 if( alignment != mImpl->mModel->mHorizontalAlignment )
352 // Set the alignment.
353 mImpl->mModel->mHorizontalAlignment = alignment;
355 // Set the flag to redo the alignment operation.
356 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | ALIGN );
358 mImpl->RequestRelayout();
362 Layout::HorizontalAlignment Controller::GetHorizontalAlignment() const
364 return mImpl->mModel->mHorizontalAlignment;
367 void Controller::SetVerticalAlignment( Layout::VerticalAlignment alignment )
369 if( alignment != mImpl->mModel->mVerticalAlignment )
371 // Set the alignment.
372 mImpl->mModel->mVerticalAlignment = alignment;
374 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | ALIGN );
376 mImpl->RequestRelayout();
380 Layout::VerticalAlignment Controller::GetVerticalAlignment() const
382 return mImpl->mModel->mVerticalAlignment;
385 void Controller::SetTextElideEnabled( bool enabled )
387 mImpl->mModel->mElideEnabled = enabled;
390 bool Controller::IsTextElideEnabled() const
392 return mImpl->mModel->mElideEnabled;
397 void Controller::SetText( const std::string& text )
399 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SetText\n" );
401 // Reset keyboard as text changed
402 mImpl->ResetImfManager();
404 // Remove the previously set text and style.
410 CharacterIndex lastCursorIndex = 0u;
412 if( NULL != mImpl->mEventData )
414 // If popup shown then hide it by switching to Editing state
415 if( ( EventData::SELECTING == mImpl->mEventData->mState ) ||
416 ( EventData::EDITING_WITH_POPUP == mImpl->mEventData->mState ) ||
417 ( EventData::EDITING_WITH_GRAB_HANDLE == mImpl->mEventData->mState ) ||
418 ( EventData::EDITING_WITH_PASTE_POPUP == mImpl->mEventData->mState ) )
420 mImpl->ChangeState( EventData::EDITING );
426 mImpl->mModel->mVisualModel->SetTextColor( mImpl->mTextColor );
428 MarkupProcessData markupProcessData( mImpl->mModel->mLogicalModel->mColorRuns,
429 mImpl->mModel->mLogicalModel->mFontDescriptionRuns );
431 Length textSize = 0u;
432 const uint8_t* utf8 = NULL;
433 if( mImpl->mMarkupProcessorEnabled )
435 ProcessMarkupString( text, markupProcessData );
436 textSize = markupProcessData.markupProcessedText.size();
438 // This is a bit horrible but std::string returns a (signed) char*
439 utf8 = reinterpret_cast<const uint8_t*>( markupProcessData.markupProcessedText.c_str() );
443 textSize = text.size();
445 // This is a bit horrible but std::string returns a (signed) char*
446 utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
449 // Convert text into UTF-32
450 Vector<Character>& utf32Characters = mImpl->mModel->mLogicalModel->mText;
451 utf32Characters.Resize( textSize );
453 // Transform a text array encoded in utf8 into an array encoded in utf32.
454 // It returns the actual number of characters.
455 Length characterCount = Utf8ToUtf32( utf8, textSize, utf32Characters.Begin() );
456 utf32Characters.Resize( characterCount );
458 DALI_ASSERT_DEBUG( textSize >= characterCount && "Invalid UTF32 conversion length" );
459 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SetText %p UTF8 size %d, UTF32 size %d\n", this, textSize, mImpl->mModel->mLogicalModel->mText.Count() );
461 // The characters to be added.
462 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mModel->mLogicalModel->mText.Count();
464 // To reset the cursor position
465 lastCursorIndex = characterCount;
467 // Update the rest of the model during size negotiation
468 mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED );
470 // The natural size needs to be re-calculated.
471 mImpl->mRecalculateNaturalSize = true;
473 // Apply modifications to the model
474 mImpl->mOperationsPending = ALL_OPERATIONS;
478 ShowPlaceholderText();
481 // Resets the cursor position.
482 ResetCursorPosition( lastCursorIndex );
484 // Scrolls the text to make the cursor visible.
485 ResetScrollPosition();
487 mImpl->RequestRelayout();
489 if( NULL != mImpl->mEventData )
491 // Cancel previously queued events
492 mImpl->mEventData->mEventQueue.clear();
495 // Do this last since it provides callbacks into application code.
496 if( NULL != mImpl->mEditableControlInterface )
498 mImpl->mEditableControlInterface->TextChanged();
502 void Controller::GetText( std::string& text ) const
504 if( !mImpl->IsShowingPlaceholderText() )
506 // Retrieves the text string.
507 mImpl->GetText( 0u, text );
511 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::GetText %p empty (but showing placeholder)\n", this );
515 void Controller::SetPlaceholderText( PlaceholderType type, const std::string& text )
517 if( NULL != mImpl->mEventData )
519 if( PLACEHOLDER_TYPE_INACTIVE == type )
521 mImpl->mEventData->mPlaceholderTextInactive = text;
525 mImpl->mEventData->mPlaceholderTextActive = text;
528 // Update placeholder if there is no text
529 if( mImpl->IsShowingPlaceholderText() ||
530 ( 0u == mImpl->mModel->mLogicalModel->mText.Count() ) )
532 ShowPlaceholderText();
537 void Controller::GetPlaceholderText( PlaceholderType type, std::string& text ) const
539 if( NULL != mImpl->mEventData )
541 if( PLACEHOLDER_TYPE_INACTIVE == type )
543 text = mImpl->mEventData->mPlaceholderTextInactive;
547 text = mImpl->mEventData->mPlaceholderTextActive;
552 void Controller::UpdateAfterFontChange( const std::string& newDefaultFont )
554 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::UpdateAfterFontChange\n");
556 if( !mImpl->mFontDefaults->familyDefined ) // If user defined font then should not update when system font changes
558 DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::UpdateAfterFontChange newDefaultFont(%s)\n", newDefaultFont.c_str() );
559 mImpl->mFontDefaults->mFontDescription.family = newDefaultFont;
563 mImpl->RequestRelayout();
567 // public : Default style & Input style
569 void Controller::SetDefaultFontFamily( const std::string& defaultFontFamily )
571 if( NULL == mImpl->mFontDefaults )
573 mImpl->mFontDefaults = new FontDefaults();
576 mImpl->mFontDefaults->mFontDescription.family = defaultFontFamily;
577 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetDefaultFontFamily %s\n", defaultFontFamily.c_str());
578 mImpl->mFontDefaults->familyDefined = !defaultFontFamily.empty();
580 // Clear the font-specific data
583 mImpl->RequestRelayout();
586 const std::string& Controller::GetDefaultFontFamily() const
588 if( NULL != mImpl->mFontDefaults )
590 return mImpl->mFontDefaults->mFontDescription.family;
596 void Controller::SetDefaultFontWeight( FontWeight weight )
598 if( NULL == mImpl->mFontDefaults )
600 mImpl->mFontDefaults = new FontDefaults();
603 mImpl->mFontDefaults->mFontDescription.weight = weight;
604 mImpl->mFontDefaults->weightDefined = true;
606 // Clear the font-specific data
609 mImpl->RequestRelayout();
612 bool Controller::IsDefaultFontWeightDefined() const
614 return mImpl->mFontDefaults->weightDefined;
617 FontWeight Controller::GetDefaultFontWeight() const
619 if( NULL != mImpl->mFontDefaults )
621 return mImpl->mFontDefaults->mFontDescription.weight;
624 return TextAbstraction::FontWeight::NORMAL;
627 void Controller::SetDefaultFontWidth( FontWidth width )
629 if( NULL == mImpl->mFontDefaults )
631 mImpl->mFontDefaults = new FontDefaults();
634 mImpl->mFontDefaults->mFontDescription.width = width;
635 mImpl->mFontDefaults->widthDefined = true;
637 // Clear the font-specific data
640 mImpl->RequestRelayout();
643 bool Controller::IsDefaultFontWidthDefined() const
645 return mImpl->mFontDefaults->widthDefined;
648 FontWidth Controller::GetDefaultFontWidth() const
650 if( NULL != mImpl->mFontDefaults )
652 return mImpl->mFontDefaults->mFontDescription.width;
655 return TextAbstraction::FontWidth::NORMAL;
658 void Controller::SetDefaultFontSlant( FontSlant slant )
660 if( NULL == mImpl->mFontDefaults )
662 mImpl->mFontDefaults = new FontDefaults();
665 mImpl->mFontDefaults->mFontDescription.slant = slant;
666 mImpl->mFontDefaults->slantDefined = true;
668 // Clear the font-specific data
671 mImpl->RequestRelayout();
674 bool Controller::IsDefaultFontSlantDefined() const
676 return mImpl->mFontDefaults->slantDefined;
679 FontSlant Controller::GetDefaultFontSlant() const
681 if( NULL != mImpl->mFontDefaults )
683 return mImpl->mFontDefaults->mFontDescription.slant;
686 return TextAbstraction::FontSlant::NORMAL;
689 void Controller::SetDefaultFontSize( float fontSize, FontSizeType type )
691 if( NULL == mImpl->mFontDefaults )
693 mImpl->mFontDefaults = new FontDefaults();
700 mImpl->mFontDefaults->mDefaultPointSize = fontSize;
701 mImpl->mFontDefaults->sizeDefined = true;
706 // Point size = Pixel size * 72 / DPI
707 unsigned int horizontalDpi = 0u;
708 unsigned int verticalDpi = 0u;
709 TextAbstraction::FontClient fontClient = TextAbstraction::FontClient::Get();
710 fontClient.GetDpi( horizontalDpi, verticalDpi );
712 mImpl->mFontDefaults->mDefaultPointSize = ( fontSize * 72 ) / horizontalDpi;
713 mImpl->mFontDefaults->sizeDefined = true;
718 DALI_ASSERT_ALWAYS( false );
722 // Clear the font-specific data
725 mImpl->RequestRelayout();
728 float Controller::GetDefaultFontSize( FontSizeType type ) const
731 if( NULL != mImpl->mFontDefaults )
737 value = mImpl->mFontDefaults->mDefaultPointSize;
742 // Pixel size = Point size * DPI / 72
743 unsigned int horizontalDpi = 0u;
744 unsigned int verticalDpi = 0u;
745 TextAbstraction::FontClient fontClient = TextAbstraction::FontClient::Get();
746 fontClient.GetDpi( horizontalDpi, verticalDpi );
748 value = mImpl->mFontDefaults->mDefaultPointSize * horizontalDpi / 72;
753 DALI_ASSERT_ALWAYS( false );
762 void Controller::SetDefaultColor( const Vector4& color )
764 mImpl->mTextColor = color;
766 if( !mImpl->IsShowingPlaceholderText() )
768 mImpl->mModel->mVisualModel->SetTextColor( color );
770 mImpl->RequestRelayout();
774 const Vector4& Controller::GetDefaultColor() const
776 return mImpl->mTextColor;
779 void Controller::SetPlaceholderTextColor( const Vector4& textColor )
781 if( NULL != mImpl->mEventData )
783 mImpl->mEventData->mPlaceholderTextColor = textColor;
786 if( mImpl->IsShowingPlaceholderText() )
788 mImpl->mModel->mVisualModel->SetTextColor( textColor );
789 mImpl->RequestRelayout();
793 const Vector4& Controller::GetPlaceholderTextColor() const
795 if( NULL != mImpl->mEventData )
797 return mImpl->mEventData->mPlaceholderTextColor;
803 void Controller::SetShadowOffset( const Vector2& shadowOffset )
805 mImpl->mModel->mVisualModel->SetShadowOffset( shadowOffset );
807 mImpl->RequestRelayout();
810 const Vector2& Controller::GetShadowOffset() const
812 return mImpl->mModel->mVisualModel->GetShadowOffset();
815 void Controller::SetShadowColor( const Vector4& shadowColor )
817 mImpl->mModel->mVisualModel->SetShadowColor( shadowColor );
819 mImpl->RequestRelayout();
822 const Vector4& Controller::GetShadowColor() const
824 return mImpl->mModel->mVisualModel->GetShadowColor();
827 void Controller::SetUnderlineColor( const Vector4& color )
829 mImpl->mModel->mVisualModel->SetUnderlineColor( color );
831 mImpl->RequestRelayout();
834 const Vector4& Controller::GetUnderlineColor() const
836 return mImpl->mModel->mVisualModel->GetUnderlineColor();
839 void Controller::SetUnderlineEnabled( bool enabled )
841 mImpl->mModel->mVisualModel->SetUnderlineEnabled( enabled );
843 mImpl->RequestRelayout();
846 bool Controller::IsUnderlineEnabled() const
848 return mImpl->mModel->mVisualModel->IsUnderlineEnabled();
851 void Controller::SetUnderlineHeight( float height )
853 mImpl->mModel->mVisualModel->SetUnderlineHeight( height );
855 mImpl->RequestRelayout();
858 float Controller::GetUnderlineHeight() const
860 return mImpl->mModel->mVisualModel->GetUnderlineHeight();
863 void Controller::SetDefaultEmbossProperties( const std::string& embossProperties )
865 if( NULL == mImpl->mEmbossDefaults )
867 mImpl->mEmbossDefaults = new EmbossDefaults();
870 mImpl->mEmbossDefaults->properties = embossProperties;
873 const std::string& Controller::GetDefaultEmbossProperties() const
875 if( NULL != mImpl->mEmbossDefaults )
877 return mImpl->mEmbossDefaults->properties;
883 void Controller::SetDefaultOutlineProperties( const std::string& outlineProperties )
885 if( NULL == mImpl->mOutlineDefaults )
887 mImpl->mOutlineDefaults = new OutlineDefaults();
890 mImpl->mOutlineDefaults->properties = outlineProperties;
893 const std::string& Controller::GetDefaultOutlineProperties() const
895 if( NULL != mImpl->mOutlineDefaults )
897 return mImpl->mOutlineDefaults->properties;
903 void Controller::SetDefaultLineSpacing( float lineSpacing )
905 //TODO finish implementation
906 mImpl->mLayoutEngine.SetDefaultLineSpacing( lineSpacing );
909 float Controller::GetDefaultLineSpacing() const
911 return mImpl->mLayoutEngine.GetDefaultLineSpacing();
914 void Controller::SetInputColor( const Vector4& color )
916 if( NULL != mImpl->mEventData )
918 mImpl->mEventData->mInputStyle.textColor = color;
919 mImpl->mEventData->mInputStyle.isDefaultColor = false;
921 if( EventData::SELECTING == mImpl->mEventData->mState )
923 const bool handlesCrossed = mImpl->mEventData->mLeftSelectionPosition > mImpl->mEventData->mRightSelectionPosition;
925 // Get start and end position of selection
926 const CharacterIndex startOfSelectedText = handlesCrossed ? mImpl->mEventData->mRightSelectionPosition : mImpl->mEventData->mLeftSelectionPosition;
927 const Length lengthOfSelectedText = ( handlesCrossed ? mImpl->mEventData->mLeftSelectionPosition : mImpl->mEventData->mRightSelectionPosition ) - startOfSelectedText;
929 // Add the color run.
930 const VectorBase::SizeType numberOfRuns = mImpl->mModel->mLogicalModel->mColorRuns.Count();
931 mImpl->mModel->mLogicalModel->mColorRuns.Resize( numberOfRuns + 1u );
933 ColorRun& colorRun = *( mImpl->mModel->mLogicalModel->mColorRuns.Begin() + numberOfRuns );
934 colorRun.color = color;
935 colorRun.characterRun.characterIndex = startOfSelectedText;
936 colorRun.characterRun.numberOfCharacters = lengthOfSelectedText;
938 // Request to relayout.
939 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | COLOR );
940 mImpl->RequestRelayout();
942 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
943 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
944 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
949 const Vector4& Controller::GetInputColor() const
951 if( NULL != mImpl->mEventData )
953 return mImpl->mEventData->mInputStyle.textColor;
956 // Return the default text's color if there is no EventData.
957 return mImpl->mTextColor;
961 void Controller::SetInputFontFamily( const std::string& fontFamily )
963 if( NULL != mImpl->mEventData )
965 mImpl->mEventData->mInputStyle.familyName = fontFamily;
966 mImpl->mEventData->mInputStyle.isFamilyDefined = true;
968 if( EventData::SELECTING == mImpl->mEventData->mState )
970 CharacterIndex startOfSelectedText = 0u;
971 Length lengthOfSelectedText = 0u;
972 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
973 mImpl->mModel->mLogicalModel,
975 lengthOfSelectedText );
977 fontDescriptionRun.familyLength = fontFamily.size();
978 fontDescriptionRun.familyName = new char[fontDescriptionRun.familyLength];
979 memcpy( fontDescriptionRun.familyName, fontFamily.c_str(), fontDescriptionRun.familyLength );
980 fontDescriptionRun.familyDefined = true;
982 // The memory allocated for the font family name is freed when the font description is removed from the logical model.
984 // Request to relayout.
985 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
993 mImpl->mRecalculateNaturalSize = true;
994 mImpl->RequestRelayout();
996 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
997 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
998 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
1000 // As the font changes, recalculate the handle positions is needed.
1001 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
1002 mImpl->mEventData->mUpdateRightSelectionPosition = true;
1003 mImpl->mEventData->mUpdateHighlightBox = true;
1004 mImpl->mEventData->mScrollAfterUpdatePosition = true;
1009 const std::string& Controller::GetInputFontFamily() const
1011 if( NULL != mImpl->mEventData )
1013 return mImpl->mEventData->mInputStyle.familyName;
1016 // Return the default font's family if there is no EventData.
1017 return GetDefaultFontFamily();
1020 void Controller::SetInputFontWeight( FontWeight weight )
1022 if( NULL != mImpl->mEventData )
1024 mImpl->mEventData->mInputStyle.weight = weight;
1025 mImpl->mEventData->mInputStyle.isWeightDefined = true;
1027 if( EventData::SELECTING == mImpl->mEventData->mState )
1029 CharacterIndex startOfSelectedText = 0u;
1030 Length lengthOfSelectedText = 0u;
1031 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
1032 mImpl->mModel->mLogicalModel,
1033 startOfSelectedText,
1034 lengthOfSelectedText );
1036 fontDescriptionRun.weight = weight;
1037 fontDescriptionRun.weightDefined = true;
1039 // Request to relayout.
1040 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1045 UPDATE_LAYOUT_SIZE |
1048 mImpl->mRecalculateNaturalSize = true;
1049 mImpl->RequestRelayout();
1051 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
1052 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
1053 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
1055 // As the font might change, recalculate the handle positions is needed.
1056 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
1057 mImpl->mEventData->mUpdateRightSelectionPosition = true;
1058 mImpl->mEventData->mUpdateHighlightBox = true;
1059 mImpl->mEventData->mScrollAfterUpdatePosition = true;
1064 bool Controller::IsInputFontWeightDefined() const
1066 bool defined = false;
1068 if( NULL != mImpl->mEventData )
1070 defined = mImpl->mEventData->mInputStyle.isWeightDefined;
1076 FontWeight Controller::GetInputFontWeight() const
1078 if( NULL != mImpl->mEventData )
1080 return mImpl->mEventData->mInputStyle.weight;
1083 return GetDefaultFontWeight();
1086 void Controller::SetInputFontWidth( FontWidth width )
1088 if( NULL != mImpl->mEventData )
1090 mImpl->mEventData->mInputStyle.width = width;
1091 mImpl->mEventData->mInputStyle.isWidthDefined = true;
1093 if( EventData::SELECTING == mImpl->mEventData->mState )
1095 CharacterIndex startOfSelectedText = 0u;
1096 Length lengthOfSelectedText = 0u;
1097 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
1098 mImpl->mModel->mLogicalModel,
1099 startOfSelectedText,
1100 lengthOfSelectedText );
1102 fontDescriptionRun.width = width;
1103 fontDescriptionRun.widthDefined = true;
1105 // Request to relayout.
1106 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1111 UPDATE_LAYOUT_SIZE |
1114 mImpl->mRecalculateNaturalSize = true;
1115 mImpl->RequestRelayout();
1117 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
1118 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
1119 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
1121 // As the font might change, recalculate the handle positions is needed.
1122 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
1123 mImpl->mEventData->mUpdateRightSelectionPosition = true;
1124 mImpl->mEventData->mUpdateHighlightBox = true;
1125 mImpl->mEventData->mScrollAfterUpdatePosition = true;
1130 bool Controller::IsInputFontWidthDefined() const
1132 bool defined = false;
1134 if( NULL != mImpl->mEventData )
1136 defined = mImpl->mEventData->mInputStyle.isWidthDefined;
1142 FontWidth Controller::GetInputFontWidth() const
1144 if( NULL != mImpl->mEventData )
1146 return mImpl->mEventData->mInputStyle.width;
1149 return GetDefaultFontWidth();
1152 void Controller::SetInputFontSlant( FontSlant slant )
1154 if( NULL != mImpl->mEventData )
1156 mImpl->mEventData->mInputStyle.slant = slant;
1157 mImpl->mEventData->mInputStyle.isSlantDefined = true;
1159 if( EventData::SELECTING == mImpl->mEventData->mState )
1161 CharacterIndex startOfSelectedText = 0u;
1162 Length lengthOfSelectedText = 0u;
1163 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
1164 mImpl->mModel->mLogicalModel,
1165 startOfSelectedText,
1166 lengthOfSelectedText );
1168 fontDescriptionRun.slant = slant;
1169 fontDescriptionRun.slantDefined = true;
1171 // Request to relayout.
1172 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1177 UPDATE_LAYOUT_SIZE |
1180 mImpl->mRecalculateNaturalSize = true;
1181 mImpl->RequestRelayout();
1183 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
1184 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
1185 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
1187 // As the font might change, recalculate the handle positions is needed.
1188 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
1189 mImpl->mEventData->mUpdateRightSelectionPosition = true;
1190 mImpl->mEventData->mUpdateHighlightBox = true;
1191 mImpl->mEventData->mScrollAfterUpdatePosition = true;
1196 bool Controller::IsInputFontSlantDefined() const
1198 bool defined = false;
1200 if( NULL != mImpl->mEventData )
1202 defined = mImpl->mEventData->mInputStyle.isSlantDefined;
1208 FontSlant Controller::GetInputFontSlant() const
1210 if( NULL != mImpl->mEventData )
1212 return mImpl->mEventData->mInputStyle.slant;
1215 return GetDefaultFontSlant();
1218 void Controller::SetInputFontPointSize( float size )
1220 if( NULL != mImpl->mEventData )
1222 mImpl->mEventData->mInputStyle.size = size;
1223 mImpl->mEventData->mInputStyle.isSizeDefined = true;
1225 if( EventData::SELECTING == mImpl->mEventData->mState )
1227 CharacterIndex startOfSelectedText = 0u;
1228 Length lengthOfSelectedText = 0u;
1229 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
1230 mImpl->mModel->mLogicalModel,
1231 startOfSelectedText,
1232 lengthOfSelectedText );
1234 fontDescriptionRun.size = static_cast<PointSize26Dot6>( size * 64.f );
1235 fontDescriptionRun.sizeDefined = true;
1237 // Request to relayout.
1238 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1243 UPDATE_LAYOUT_SIZE |
1246 mImpl->mRecalculateNaturalSize = true;
1247 mImpl->RequestRelayout();
1249 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
1250 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
1251 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
1253 // As the font might change, recalculate the handle positions is needed.
1254 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
1255 mImpl->mEventData->mUpdateRightSelectionPosition = true;
1256 mImpl->mEventData->mUpdateHighlightBox = true;
1257 mImpl->mEventData->mScrollAfterUpdatePosition = true;
1262 float Controller::GetInputFontPointSize() const
1264 if( NULL != mImpl->mEventData )
1266 return mImpl->mEventData->mInputStyle.size;
1269 // Return the default font's point size if there is no EventData.
1270 return GetDefaultFontSize( Text::Controller::POINT_SIZE );
1273 void Controller::SetInputLineSpacing( float lineSpacing )
1275 if( NULL != mImpl->mEventData )
1277 mImpl->mEventData->mInputStyle.lineSpacing = lineSpacing;
1278 mImpl->mEventData->mInputStyle.isLineSpacingDefined = true;
1282 float Controller::GetInputLineSpacing() const
1284 if( NULL != mImpl->mEventData )
1286 return mImpl->mEventData->mInputStyle.lineSpacing;
1292 void Controller::SetInputShadowProperties( const std::string& shadowProperties )
1294 if( NULL != mImpl->mEventData )
1296 mImpl->mEventData->mInputStyle.shadowProperties = shadowProperties;
1300 const std::string& Controller::GetInputShadowProperties() const
1302 if( NULL != mImpl->mEventData )
1304 return mImpl->mEventData->mInputStyle.shadowProperties;
1307 return EMPTY_STRING;
1310 void Controller::SetInputUnderlineProperties( const std::string& underlineProperties )
1312 if( NULL != mImpl->mEventData )
1314 mImpl->mEventData->mInputStyle.underlineProperties = underlineProperties;
1318 const std::string& Controller::GetInputUnderlineProperties() const
1320 if( NULL != mImpl->mEventData )
1322 return mImpl->mEventData->mInputStyle.underlineProperties;
1325 return EMPTY_STRING;
1328 void Controller::SetInputEmbossProperties( const std::string& embossProperties )
1330 if( NULL != mImpl->mEventData )
1332 mImpl->mEventData->mInputStyle.embossProperties = embossProperties;
1336 const std::string& Controller::GetInputEmbossProperties() const
1338 if( NULL != mImpl->mEventData )
1340 return mImpl->mEventData->mInputStyle.embossProperties;
1343 return GetDefaultEmbossProperties();
1346 void Controller::SetInputOutlineProperties( const std::string& outlineProperties )
1348 if( NULL != mImpl->mEventData )
1350 mImpl->mEventData->mInputStyle.outlineProperties = outlineProperties;
1354 const std::string& Controller::GetInputOutlineProperties() const
1356 if( NULL != mImpl->mEventData )
1358 return mImpl->mEventData->mInputStyle.outlineProperties;
1361 return GetDefaultOutlineProperties();
1364 void Controller::SetInputModePassword( bool passwordInput )
1366 if( NULL != mImpl->mEventData )
1368 mImpl->mEventData->mPasswordInput = passwordInput;
1372 bool Controller::IsInputModePassword()
1374 if( NULL != mImpl->mEventData )
1376 return mImpl->mEventData->mPasswordInput;
1381 void Controller::SetNoTextDoubleTapAction( NoTextTap::Action action )
1383 if( NULL != mImpl->mEventData )
1385 mImpl->mEventData->mDoubleTapAction = action;
1389 Controller::NoTextTap::Action Controller::GetNoTextDoubleTapAction() const
1391 NoTextTap::Action action = NoTextTap::NO_ACTION;
1393 if( NULL != mImpl->mEventData )
1395 action = mImpl->mEventData->mDoubleTapAction;
1401 void Controller::SetNoTextLongPressAction( NoTextTap::Action action )
1403 if( NULL != mImpl->mEventData )
1405 mImpl->mEventData->mLongPressAction = action;
1409 Controller::NoTextTap::Action Controller::GetNoTextLongPressAction() const
1411 NoTextTap::Action action = NoTextTap::NO_ACTION;
1413 if( NULL != mImpl->mEventData )
1415 action = mImpl->mEventData->mLongPressAction;
1421 bool Controller::IsUnderlineSetByString()
1423 return mImpl->mUnderlineSetByString;
1426 void Controller::UnderlineSetByString( bool setByString )
1428 mImpl->mUnderlineSetByString = setByString;
1431 bool Controller::IsShadowSetByString()
1433 return mImpl->mShadowSetByString;
1436 void Controller::ShadowSetByString( bool setByString )
1438 mImpl->mShadowSetByString = setByString;
1441 bool Controller::IsFontStyleSetByString()
1443 return mImpl->mFontStyleSetByString;
1446 void Controller::FontStyleSetByString( bool setByString )
1448 mImpl->mFontStyleSetByString = setByString;
1451 // public : Queries & retrieves.
1453 Layout::Engine& Controller::GetLayoutEngine()
1455 return mImpl->mLayoutEngine;
1458 View& Controller::GetView()
1460 return mImpl->mView;
1463 Vector3 Controller::GetNaturalSize()
1465 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetNaturalSize\n" );
1466 Vector3 naturalSize;
1468 // Make sure the model is up-to-date before layouting
1469 ProcessModifyEvents();
1471 if( mImpl->mRecalculateNaturalSize )
1473 // Operations that can be done only once until the text changes.
1474 const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
1481 GET_GLYPH_METRICS );
1483 // Set the update info to relayout the whole text.
1484 mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u;
1485 mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mModel->mLogicalModel->mText.Count();
1487 // Make sure the model is up-to-date before layouting
1488 mImpl->UpdateModel( onlyOnceOperations );
1490 // Layout the text for the new width.
1491 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | LAYOUT );
1493 // Store the actual control's size to restore later.
1494 const Size actualControlSize = mImpl->mModel->mVisualModel->mControlSize;
1496 DoRelayout( Size( MAX_FLOAT, MAX_FLOAT ),
1497 static_cast<OperationsMask>( onlyOnceOperations |
1499 naturalSize.GetVectorXY() );
1501 // Do not do again the only once operations.
1502 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
1504 // Do the size related operations again.
1505 const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
1508 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
1510 // Stores the natural size to avoid recalculate it again
1511 // unless the text/style changes.
1512 mImpl->mModel->mVisualModel->SetNaturalSize( naturalSize.GetVectorXY() );
1514 mImpl->mRecalculateNaturalSize = false;
1516 // Clear the update info. This info will be set the next time the text is updated.
1517 mImpl->mTextUpdateInfo.Clear();
1519 // Restore the actual control's size.
1520 mImpl->mModel->mVisualModel->mControlSize = actualControlSize;
1522 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize calculated %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
1526 naturalSize = mImpl->mModel->mVisualModel->GetNaturalSize();
1528 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize cached %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
1531 naturalSize.x = ConvertToEven( naturalSize.x );
1532 naturalSize.y = ConvertToEven( naturalSize.y );
1537 float Controller::GetHeightForWidth( float width )
1539 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetHeightForWidth %p width %f\n", this, width );
1540 // Make sure the model is up-to-date before layouting
1541 ProcessModifyEvents();
1544 if( fabsf( width - mImpl->mModel->mVisualModel->mControlSize.width ) > Math::MACHINE_EPSILON_1000 )
1546 // Operations that can be done only once until the text changes.
1547 const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
1554 GET_GLYPH_METRICS );
1556 // Set the update info to relayout the whole text.
1557 mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u;
1558 mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mModel->mLogicalModel->mText.Count();
1560 // Make sure the model is up-to-date before layouting
1561 mImpl->UpdateModel( onlyOnceOperations );
1564 // Layout the text for the new width.
1565 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | LAYOUT );
1567 // Store the actual control's width.
1568 const float actualControlWidth = mImpl->mModel->mVisualModel->mControlSize.width;
1570 DoRelayout( Size( width, MAX_FLOAT ),
1571 static_cast<OperationsMask>( onlyOnceOperations |
1575 // Do not do again the only once operations.
1576 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
1578 // Do the size related operations again.
1579 const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
1583 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
1585 // Clear the update info. This info will be set the next time the text is updated.
1586 mImpl->mTextUpdateInfo.Clear();
1588 // Restore the actual control's width.
1589 mImpl->mModel->mVisualModel->mControlSize.width = actualControlWidth;
1591 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth calculated %f\n", layoutSize.height );
1595 layoutSize = mImpl->mModel->mVisualModel->GetLayoutSize();
1596 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth cached %f\n", layoutSize.height );
1599 return layoutSize.height;
1602 const ModelInterface* const Controller::GetTextModel() const
1604 return mImpl->mModel.Get();
1607 float Controller::GetScrollAmountByUserInput()
1609 float scrollAmount = 0.0f;
1611 if (NULL != mImpl->mEventData && mImpl->mEventData->mCheckScrollAmount)
1613 scrollAmount = mImpl->mModel->mScrollPosition.y - mImpl->mModel->mScrollPositionLast.y;
1614 mImpl->mEventData->mCheckScrollAmount = false;
1616 return scrollAmount;
1619 bool Controller::GetTextScrollInfo( float& scrollPosition, float& controlHeight, float& layoutHeight )
1621 const Vector2& layout = mImpl->mModel->mVisualModel->GetLayoutSize();
1624 controlHeight = mImpl->mModel->mVisualModel->mControlSize.height;
1625 layoutHeight = layout.height;
1626 scrollPosition = mImpl->mModel->mScrollPosition.y;
1627 isScrolled = !Equals( mImpl->mModel->mScrollPosition.y, mImpl->mModel->mScrollPositionLast.y, Math::MACHINE_EPSILON_1 );
1631 void Controller::SetHiddenInputOption(const Property::Map& options )
1633 if( NULL == mImpl->mHiddenInput )
1635 mImpl->mHiddenInput = new HiddenText( this );
1637 mImpl->mHiddenInput->SetProperties(options);
1640 void Controller::GetHiddenInputOption(Property::Map& options )
1642 if( NULL != mImpl->mHiddenInput )
1644 mImpl->mHiddenInput->GetProperties(options);
1648 // public : Relayout.
1650 Controller::UpdateTextType Controller::Relayout( const Size& size )
1652 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::Relayout %p size %f,%f, autoScroll[%s]\n", this, size.width, size.height, mImpl->mIsAutoScrollEnabled ?"true":"false" );
1654 UpdateTextType updateTextType = NONE_UPDATED;
1656 if( ( size.width < Math::MACHINE_EPSILON_1000 ) || ( size.height < Math::MACHINE_EPSILON_1000 ) )
1658 if( 0u != mImpl->mModel->mVisualModel->mGlyphPositions.Count() )
1660 mImpl->mModel->mVisualModel->mGlyphPositions.Clear();
1661 updateTextType = MODEL_UPDATED;
1664 // Clear the update info. This info will be set the next time the text is updated.
1665 mImpl->mTextUpdateInfo.Clear();
1667 // Not worth to relayout if width or height is equal to zero.
1668 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout (skipped)\n" );
1670 return updateTextType;
1673 // Whether a new size has been set.
1674 const bool newSize = ( size != mImpl->mModel->mVisualModel->mControlSize );
1678 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "new size (previous size %f,%f)\n", mImpl->mModel->mVisualModel->mControlSize.width, mImpl->mModel->mVisualModel->mControlSize.height );
1680 // Layout operations that need to be done if the size changes.
1681 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1684 UPDATE_LAYOUT_SIZE |
1686 // Set the update info to relayout the whole text.
1687 mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true;
1688 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
1690 // Store the size used to layout the text.
1691 mImpl->mModel->mVisualModel->mControlSize = size;
1694 // Whether there are modify events.
1695 if( 0u != mImpl->mModifyEvents.Count() )
1697 // Style operations that need to be done if the text is modified.
1698 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1702 // Make sure the model is up-to-date before layouting.
1703 ProcessModifyEvents();
1704 bool updated = mImpl->UpdateModel( mImpl->mOperationsPending );
1708 updated = DoRelayout( size,
1709 mImpl->mOperationsPending,
1710 layoutSize ) || updated;
1714 updateTextType = MODEL_UPDATED;
1717 // Do not re-do any operation until something changes.
1718 mImpl->mOperationsPending = NO_OPERATION;
1719 mImpl->mModel->mScrollPositionLast = mImpl->mModel->mScrollPosition;
1721 // Whether the text control is editable
1722 const bool isEditable = NULL != mImpl->mEventData;
1724 // Keep the current offset as it will be used to update the decorator's positions (if the size changes).
1726 if( newSize && isEditable )
1728 offset = mImpl->mModel->mScrollPosition;
1731 if( !isEditable || !IsMultiLineEnabled() )
1733 // After doing the text layout, the vertical offset to place the actor in the desired position can be calculated.
1734 CalculateVerticalOffset( size );
1741 // If there is a new size, the scroll position needs to be clamped.
1742 mImpl->ClampHorizontalScroll( layoutSize );
1744 // Update the decorator's positions is needed if there is a new size.
1745 mImpl->mEventData->mDecorator->UpdatePositions( mImpl->mModel->mScrollPosition - offset );
1748 // Move the cursor, grab handle etc.
1749 if( mImpl->ProcessInputEvents() )
1751 updateTextType = static_cast<UpdateTextType>( updateTextType | DECORATOR_UPDATED );
1755 // Clear the update info. This info will be set the next time the text is updated.
1756 mImpl->mTextUpdateInfo.Clear();
1757 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout\n" );
1759 return updateTextType;
1762 void Controller::RequestRelayout()
1764 mImpl->RequestRelayout();
1767 // public : Input style change signals.
1769 bool Controller::IsInputStyleChangedSignalsQueueEmpty()
1771 return ( NULL == mImpl->mEventData ) || ( 0u == mImpl->mEventData->mInputStyleChangedQueue.Count() );
1774 void Controller::ProcessInputStyleChangedSignals()
1776 if( NULL == mImpl->mEventData )
1782 for( Vector<InputStyle::Mask>::ConstIterator it = mImpl->mEventData->mInputStyleChangedQueue.Begin(),
1783 endIt = mImpl->mEventData->mInputStyleChangedQueue.End();
1787 const InputStyle::Mask mask = *it;
1789 if( NULL != mImpl->mEditableControlInterface )
1791 // Emit the input style changed signal.
1792 mImpl->mEditableControlInterface->InputStyleChanged( mask );
1796 mImpl->mEventData->mInputStyleChangedQueue.Clear();
1799 // public : Text-input Event Queuing.
1801 void Controller::KeyboardFocusGainEvent()
1803 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusGainEvent" );
1805 if( NULL != mImpl->mEventData )
1807 if( ( EventData::INACTIVE == mImpl->mEventData->mState ) ||
1808 ( EventData::INTERRUPTED == mImpl->mEventData->mState ) )
1810 mImpl->ChangeState( EventData::EDITING );
1811 mImpl->mEventData->mUpdateCursorPosition = true; //If editing started without tap event, cursor update must be triggered.
1812 mImpl->mEventData->mUpdateInputStyle = true;
1814 mImpl->NotifyImfMultiLineStatus();
1815 if( mImpl->IsShowingPlaceholderText() )
1817 // Show alternative placeholder-text when editing
1818 ShowPlaceholderText();
1821 mImpl->RequestRelayout();
1825 void Controller::KeyboardFocusLostEvent()
1827 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusLostEvent" );
1829 if( NULL != mImpl->mEventData )
1831 if( EventData::INTERRUPTED != mImpl->mEventData->mState )
1833 mImpl->ChangeState( EventData::INACTIVE );
1835 if( !mImpl->IsShowingRealText() )
1837 // Revert to regular placeholder-text when not editing
1838 ShowPlaceholderText();
1842 mImpl->RequestRelayout();
1845 bool Controller::KeyEvent( const Dali::KeyEvent& keyEvent )
1847 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyEvent" );
1849 bool textChanged = false;
1850 bool relayoutNeeded = false;
1852 if( ( NULL != mImpl->mEventData ) &&
1853 ( keyEvent.state == KeyEvent::Down ) )
1855 int keyCode = keyEvent.keyCode;
1856 const std::string& keyString = keyEvent.keyPressed;
1858 const bool isNullKey = ( 0 == keyCode ) && ( keyString.empty() );
1860 // Pre-process to separate modifying events from non-modifying input events.
1863 // In some platforms arrive key events with no key code.
1866 else if( Dali::DALI_KEY_ESCAPE == keyCode )
1868 // Escape key is a special case which causes focus loss
1869 KeyboardFocusLostEvent();
1871 // Will request for relayout.
1872 relayoutNeeded = true;
1874 else if( ( Dali::DALI_KEY_CURSOR_LEFT == keyCode ) ||
1875 ( Dali::DALI_KEY_CURSOR_RIGHT == keyCode ) ||
1876 ( Dali::DALI_KEY_CURSOR_UP == keyCode ) ||
1877 ( Dali::DALI_KEY_CURSOR_DOWN == keyCode ) )
1879 // If don't have any text, do nothing.
1880 if( !mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters )
1885 uint32_t cursorPosition = mImpl->mEventData->mPrimaryCursorPosition;
1886 uint32_t numberOfCharacters = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
1887 uint32_t cursorLine = mImpl->mModel->mVisualModel->GetLineOfCharacter( cursorPosition );
1888 uint32_t numberOfLines = mImpl->mModel->GetNumberOfLines();
1890 // Logic to determine whether this text control will lose focus or not.
1891 if( ( Dali::DALI_KEY_CURSOR_LEFT == keyCode && 0 == cursorPosition ) ||
1892 ( Dali::DALI_KEY_CURSOR_RIGHT == keyCode && numberOfCharacters == cursorPosition) ||
1893 ( Dali::DALI_KEY_CURSOR_DOWN == keyCode && cursorLine == numberOfLines -1 ) ||
1894 ( Dali::DALI_KEY_CURSOR_DOWN == keyCode && numberOfCharacters == cursorPosition && cursorLine -1 == numberOfLines -1 ) ||
1895 ( Dali::DALI_KEY_CURSOR_UP == keyCode && cursorLine == 0 ) ||
1896 ( Dali::DALI_KEY_CURSOR_UP == keyCode && numberOfCharacters == cursorPosition && cursorLine == 1 ) )
1901 mImpl->mEventData->mCheckScrollAmount = true;
1902 Event event( Event::CURSOR_KEY_EVENT );
1903 event.p1.mInt = keyCode;
1904 mImpl->mEventData->mEventQueue.push_back( event );
1906 // Will request for relayout.
1907 relayoutNeeded = true;
1909 else if( Dali::DALI_KEY_BACKSPACE == keyCode )
1911 textChanged = BackspaceKeyEvent();
1913 // Will request for relayout.
1914 relayoutNeeded = true;
1916 else if( IsKey( keyEvent, Dali::DALI_KEY_POWER ) ||
1917 IsKey( keyEvent, Dali::DALI_KEY_MENU ) ||
1918 IsKey( keyEvent, Dali::DALI_KEY_HOME ) )
1920 // Power key/Menu/Home key behaviour does not allow edit mode to resume.
1921 mImpl->ChangeState( EventData::INACTIVE );
1923 // Will request for relayout.
1924 relayoutNeeded = true;
1926 // This branch avoids calling the InsertText() method of the 'else' branch which can delete selected text.
1928 else if( Dali::DALI_KEY_SHIFT_LEFT == keyCode )
1930 // DALI_KEY_SHIFT_LEFT is the key code for the Left Shift. It's sent (by the imf?) when the predictive text is enabled
1931 // and a character is typed after the type of a upper case latin character.
1935 else if( ( Dali::DALI_KEY_VOLUME_UP == keyCode ) || ( Dali::DALI_KEY_VOLUME_DOWN == keyCode ) )
1937 // This branch avoids calling the InsertText() method of the 'else' branch which can delete selected text.
1942 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p keyString %s\n", this, keyString.c_str() );
1944 // IMF manager is no longer handling key-events
1945 mImpl->ClearPreEditFlag();
1947 InsertText( keyString, COMMIT );
1950 // Will request for relayout.
1951 relayoutNeeded = true;
1954 if ( ( mImpl->mEventData->mState != EventData::INTERRUPTED ) &&
1955 ( mImpl->mEventData->mState != EventData::INACTIVE ) &&
1957 ( Dali::DALI_KEY_SHIFT_LEFT != keyCode ) &&
1958 ( Dali::DALI_KEY_VOLUME_UP != keyCode ) &&
1959 ( Dali::DALI_KEY_VOLUME_DOWN != keyCode ) )
1961 // Should not change the state if the key is the shift send by the imf manager.
1962 // Otherwise, when the state is SELECTING the text controller can't send the right
1963 // surrounding info to the imf.
1964 mImpl->ChangeState( EventData::EDITING );
1966 // Will request for relayout.
1967 relayoutNeeded = true;
1970 if( relayoutNeeded )
1972 mImpl->RequestRelayout();
1977 ( NULL != mImpl->mEditableControlInterface ) )
1979 // Do this last since it provides callbacks into application code
1980 mImpl->mEditableControlInterface->TextChanged();
1986 void Controller::TapEvent( unsigned int tapCount, float x, float y )
1988 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected TapEvent" );
1990 if( NULL != mImpl->mEventData )
1992 DALI_LOG_INFO( gLogFilter, Debug::Concise, "TapEvent state:%d \n", mImpl->mEventData->mState );
1993 EventData::State state( mImpl->mEventData->mState );
1994 bool relayoutNeeded( false ); // to avoid unnecessary relayouts when tapping an empty text-field
1996 if( mImpl->IsClipboardVisible() )
1998 if( EventData::INACTIVE == state || EventData::EDITING == state)
2000 mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE );
2002 relayoutNeeded = true;
2004 else if( 1u == tapCount )
2006 if( EventData::EDITING_WITH_POPUP == state || EventData::EDITING_WITH_PASTE_POPUP == state )
2008 mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE ); // If Popup shown hide it here so can be shown again if required.
2011 if( mImpl->IsShowingRealText() && ( EventData::INACTIVE != state ) )
2013 mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE );
2014 relayoutNeeded = true;
2018 if( mImpl->IsShowingPlaceholderText() && !mImpl->IsFocusedPlaceholderAvailable() )
2020 // Hide placeholder text
2024 if( EventData::INACTIVE == state )
2026 mImpl->ChangeState( EventData::EDITING );
2028 else if( !mImpl->IsClipboardEmpty() )
2030 mImpl->ChangeState( EventData::EDITING_WITH_POPUP );
2032 relayoutNeeded = true;
2035 else if( 2u == tapCount )
2037 if( mImpl->mEventData->mSelectionEnabled &&
2038 mImpl->IsShowingRealText() )
2040 relayoutNeeded = true;
2041 mImpl->mEventData->mIsLeftHandleSelected = true;
2042 mImpl->mEventData->mIsRightHandleSelected = true;
2046 // Handles & cursors must be repositioned after Relayout() i.e. after the Model has been updated
2047 if( relayoutNeeded )
2049 Event event( Event::TAP_EVENT );
2050 event.p1.mUint = tapCount;
2051 event.p2.mFloat = x;
2052 event.p3.mFloat = y;
2053 mImpl->mEventData->mEventQueue.push_back( event );
2055 mImpl->RequestRelayout();
2059 // Reset keyboard as tap event has occurred.
2060 mImpl->ResetImfManager();
2063 void Controller::PanEvent( Gesture::State state, const Vector2& displacement )
2065 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected PanEvent" );
2067 if( NULL != mImpl->mEventData )
2069 Event event( Event::PAN_EVENT );
2070 event.p1.mInt = state;
2071 event.p2.mFloat = displacement.x;
2072 event.p3.mFloat = displacement.y;
2073 mImpl->mEventData->mEventQueue.push_back( event );
2075 mImpl->RequestRelayout();
2079 void Controller::LongPressEvent( Gesture::State state, float x, float y )
2081 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected LongPressEvent" );
2083 if( ( state == Gesture::Started ) &&
2084 ( NULL != mImpl->mEventData ) )
2086 // The 1st long-press on inactive text-field is treated as tap
2087 if( EventData::INACTIVE == mImpl->mEventData->mState )
2089 mImpl->ChangeState( EventData::EDITING );
2091 Event event( Event::TAP_EVENT );
2093 event.p2.mFloat = x;
2094 event.p3.mFloat = y;
2095 mImpl->mEventData->mEventQueue.push_back( event );
2097 mImpl->RequestRelayout();
2099 else if( !mImpl->IsShowingRealText() )
2101 Event event( Event::LONG_PRESS_EVENT );
2102 event.p1.mInt = state;
2103 event.p2.mFloat = x;
2104 event.p3.mFloat = y;
2105 mImpl->mEventData->mEventQueue.push_back( event );
2106 mImpl->RequestRelayout();
2108 else if( !mImpl->IsClipboardVisible() )
2110 // Reset the imf manager to commit the pre-edit before selecting the text.
2111 mImpl->ResetImfManager();
2113 Event event( Event::LONG_PRESS_EVENT );
2114 event.p1.mInt = state;
2115 event.p2.mFloat = x;
2116 event.p3.mFloat = y;
2117 mImpl->mEventData->mEventQueue.push_back( event );
2118 mImpl->RequestRelayout();
2120 mImpl->mEventData->mIsLeftHandleSelected = true;
2121 mImpl->mEventData->mIsRightHandleSelected = true;
2126 ImfManager::ImfCallbackData Controller::OnImfEvent( ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent )
2128 // Whether the text needs to be relaid-out.
2129 bool requestRelayout = false;
2131 // Whether to retrieve the text and cursor position to be sent to the IMF manager.
2132 bool retrieveText = false;
2133 bool retrieveCursor = false;
2135 switch( imfEvent.eventName )
2137 case ImfManager::COMMIT:
2139 InsertText( imfEvent.predictiveString, Text::Controller::COMMIT );
2140 requestRelayout = true;
2141 retrieveCursor = true;
2144 case ImfManager::PREEDIT:
2146 InsertText( imfEvent.predictiveString, Text::Controller::PRE_EDIT );
2147 requestRelayout = true;
2148 retrieveCursor = true;
2151 case ImfManager::DELETESURROUNDING:
2153 const bool textDeleted = RemoveText( imfEvent.cursorOffset,
2154 imfEvent.numberOfChars,
2155 DONT_UPDATE_INPUT_STYLE );
2159 if( ( 0u != mImpl->mModel->mLogicalModel->mText.Count() ) ||
2160 !mImpl->IsPlaceholderAvailable() )
2162 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
2166 ShowPlaceholderText();
2168 mImpl->mEventData->mUpdateCursorPosition = true;
2169 mImpl->mEventData->mScrollAfterDelete = true;
2171 requestRelayout = true;
2175 case ImfManager::GETSURROUNDING:
2177 retrieveText = true;
2178 retrieveCursor = true;
2181 case ImfManager::PRIVATECOMMAND:
2183 // PRIVATECOMMAND event is just for getting the private command message
2184 retrieveText = true;
2185 retrieveCursor = true;
2188 case ImfManager::VOID:
2195 if( requestRelayout )
2197 mImpl->mOperationsPending = ALL_OPERATIONS;
2198 mImpl->RequestRelayout();
2202 CharacterIndex cursorPosition = 0u;
2203 Length numberOfWhiteSpaces = 0u;
2205 if( retrieveCursor )
2207 numberOfWhiteSpaces = mImpl->GetNumberOfWhiteSpaces( 0u );
2209 cursorPosition = mImpl->GetLogicalCursorPosition();
2211 if( cursorPosition < numberOfWhiteSpaces )
2213 cursorPosition = 0u;
2217 cursorPosition -= numberOfWhiteSpaces;
2223 mImpl->GetText( numberOfWhiteSpaces, text );
2226 ImfManager::ImfCallbackData callbackData( ( retrieveText || retrieveCursor ), cursorPosition, text, false );
2228 if( requestRelayout &&
2229 ( NULL != mImpl->mEditableControlInterface ) )
2231 // Do this last since it provides callbacks into application code
2232 mImpl->mEditableControlInterface->TextChanged();
2235 return callbackData;
2238 void Controller::PasteClipboardItemEvent()
2240 // Retrieve the clipboard contents first
2241 ClipboardEventNotifier notifier( ClipboardEventNotifier::Get() );
2242 std::string stringToPaste( notifier.GetContent() );
2244 // Commit the current pre-edit text; the contents of the clipboard should be appended
2245 mImpl->ResetImfManager();
2247 // Temporary disable hiding clipboard
2248 mImpl->SetClipboardHideEnable( false );
2251 PasteText( stringToPaste );
2253 mImpl->SetClipboardHideEnable( true );
2256 // protected : Inherit from Text::Decorator::ControllerInterface.
2258 void Controller::GetTargetSize( Vector2& targetSize )
2260 targetSize = mImpl->mModel->mVisualModel->mControlSize;
2263 void Controller::AddDecoration( Actor& actor, bool needsClipping )
2265 if( NULL != mImpl->mEditableControlInterface )
2267 mImpl->mEditableControlInterface->AddDecoration( actor, needsClipping );
2271 void Controller::DecorationEvent( HandleType handleType, HandleState state, float x, float y )
2273 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected DecorationEvent" );
2275 if( NULL != mImpl->mEventData )
2277 switch( handleType )
2281 Event event( Event::GRAB_HANDLE_EVENT );
2282 event.p1.mUint = state;
2283 event.p2.mFloat = x;
2284 event.p3.mFloat = y;
2286 mImpl->mEventData->mEventQueue.push_back( event );
2289 case LEFT_SELECTION_HANDLE:
2291 Event event( Event::LEFT_SELECTION_HANDLE_EVENT );
2292 event.p1.mUint = state;
2293 event.p2.mFloat = x;
2294 event.p3.mFloat = y;
2296 mImpl->mEventData->mEventQueue.push_back( event );
2299 case RIGHT_SELECTION_HANDLE:
2301 Event event( Event::RIGHT_SELECTION_HANDLE_EVENT );
2302 event.p1.mUint = state;
2303 event.p2.mFloat = x;
2304 event.p3.mFloat = y;
2306 mImpl->mEventData->mEventQueue.push_back( event );
2309 case LEFT_SELECTION_HANDLE_MARKER:
2310 case RIGHT_SELECTION_HANDLE_MARKER:
2312 // Markers do not move the handles.
2315 case HANDLE_TYPE_COUNT:
2317 DALI_ASSERT_DEBUG( !"Controller::HandleEvent. Unexpected handle type" );
2321 mImpl->RequestRelayout();
2325 // protected : Inherit from TextSelectionPopup::TextPopupButtonCallbackInterface.
2327 void Controller::TextPopupButtonTouched( Dali::Toolkit::TextSelectionPopup::Buttons button )
2329 if( NULL == mImpl->mEventData )
2336 case Toolkit::TextSelectionPopup::CUT:
2338 mImpl->SendSelectionToClipboard( true ); // Synchronous call to modify text
2339 mImpl->mOperationsPending = ALL_OPERATIONS;
2341 if( ( 0u != mImpl->mModel->mLogicalModel->mText.Count() ) ||
2342 !mImpl->IsPlaceholderAvailable() )
2344 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
2348 ShowPlaceholderText();
2351 mImpl->mEventData->mUpdateCursorPosition = true;
2352 mImpl->mEventData->mScrollAfterDelete = true;
2354 mImpl->RequestRelayout();
2356 if( NULL != mImpl->mEditableControlInterface )
2358 mImpl->mEditableControlInterface->TextChanged();
2362 case Toolkit::TextSelectionPopup::COPY:
2364 mImpl->SendSelectionToClipboard( false ); // Text not modified
2366 mImpl->mEventData->mUpdateCursorPosition = true;
2368 mImpl->RequestRelayout(); // Cursor, Handles, Selection Highlight, Popup
2371 case Toolkit::TextSelectionPopup::PASTE:
2373 mImpl->RequestGetTextFromClipboard(); // Request clipboard service to retrieve an item
2376 case Toolkit::TextSelectionPopup::SELECT:
2378 const Vector2& currentCursorPosition = mImpl->mEventData->mDecorator->GetPosition( PRIMARY_CURSOR );
2380 if( mImpl->mEventData->mSelectionEnabled )
2382 // Creates a SELECT event.
2383 SelectEvent( currentCursorPosition.x, currentCursorPosition.y, false );
2387 case Toolkit::TextSelectionPopup::SELECT_ALL:
2389 // Creates a SELECT_ALL event
2390 SelectEvent( 0.f, 0.f, true );
2393 case Toolkit::TextSelectionPopup::CLIPBOARD:
2395 mImpl->ShowClipboard();
2398 case Toolkit::TextSelectionPopup::NONE:
2406 void Controller::DisplayTimeExpired()
2408 mImpl->mEventData->mUpdateCursorPosition = true;
2409 // Apply modifications to the model
2410 mImpl->mOperationsPending = ALL_OPERATIONS;
2412 mImpl->RequestRelayout();
2415 // private : Update.
2417 void Controller::InsertText( const std::string& text, Controller::InsertType type )
2419 bool removedPrevious = false;
2420 bool removedSelected = false;
2421 bool maxLengthReached = false;
2423 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected InsertText" )
2425 if( NULL == mImpl->mEventData )
2430 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::InsertText %p %s (%s) mPrimaryCursorPosition %d mPreEditFlag %d mPreEditStartPosition %d mPreEditLength %d\n",
2431 this, text.c_str(), (COMMIT == type ? "COMMIT" : "PRE_EDIT"),
2432 mImpl->mEventData->mPrimaryCursorPosition, mImpl->mEventData->mPreEditFlag, mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
2434 // TODO: At the moment the underline runs are only for pre-edit.
2435 mImpl->mModel->mVisualModel->mUnderlineRuns.Clear();
2437 // Remove the previous IMF pre-edit.
2438 if( mImpl->mEventData->mPreEditFlag && ( 0u != mImpl->mEventData->mPreEditLength ) )
2440 removedPrevious = RemoveText( -static_cast<int>( mImpl->mEventData->mPrimaryCursorPosition - mImpl->mEventData->mPreEditStartPosition ),
2441 mImpl->mEventData->mPreEditLength,
2442 DONT_UPDATE_INPUT_STYLE );
2444 mImpl->mEventData->mPrimaryCursorPosition = mImpl->mEventData->mPreEditStartPosition;
2445 mImpl->mEventData->mPreEditLength = 0u;
2449 // Remove the previous Selection.
2450 removedSelected = RemoveSelectedText();
2454 Vector<Character> utf32Characters;
2455 Length characterCount = 0u;
2459 // Convert text into UTF-32
2460 utf32Characters.Resize( text.size() );
2462 // This is a bit horrible but std::string returns a (signed) char*
2463 const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
2465 // Transform a text array encoded in utf8 into an array encoded in utf32.
2466 // It returns the actual number of characters.
2467 characterCount = Utf8ToUtf32( utf8, text.size(), utf32Characters.Begin() );
2468 utf32Characters.Resize( characterCount );
2470 DALI_ASSERT_DEBUG( text.size() >= utf32Characters.Count() && "Invalid UTF32 conversion length" );
2471 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "UTF8 size %d, UTF32 size %d\n", text.size(), utf32Characters.Count() );
2474 if( 0u != utf32Characters.Count() ) // Check if Utf8ToUtf32 conversion succeeded
2476 // The placeholder text is no longer needed
2477 if( mImpl->IsShowingPlaceholderText() )
2482 mImpl->ChangeState( EventData::EDITING );
2484 // Handle the IMF (predicitive text) state changes
2485 if( COMMIT == type )
2487 // IMF manager is no longer handling key-events
2488 mImpl->ClearPreEditFlag();
2492 if( !mImpl->mEventData->mPreEditFlag )
2494 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Entered PreEdit state\n" );
2496 // Record the start of the pre-edit text
2497 mImpl->mEventData->mPreEditStartPosition = mImpl->mEventData->mPrimaryCursorPosition;
2500 mImpl->mEventData->mPreEditLength = utf32Characters.Count();
2501 mImpl->mEventData->mPreEditFlag = true;
2503 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "mPreEditStartPosition %d mPreEditLength %d\n", mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
2506 const Length numberOfCharactersInModel = mImpl->mModel->mLogicalModel->mText.Count();
2508 // Restrict new text to fit within Maximum characters setting.
2509 Length maxSizeOfNewText = std::min( ( mImpl->mMaximumNumberOfCharacters - numberOfCharactersInModel ), characterCount );
2510 maxLengthReached = ( characterCount > maxSizeOfNewText );
2512 // The cursor position.
2513 CharacterIndex& cursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
2515 // Update the text's style.
2517 // Updates the text style runs by adding characters.
2518 mImpl->mModel->mLogicalModel->UpdateTextStyleRuns( cursorIndex, maxSizeOfNewText );
2520 // Get the character index from the cursor index.
2521 const CharacterIndex styleIndex = ( cursorIndex > 0u ) ? cursorIndex - 1u : 0u;
2523 // Retrieve the text's style for the given index.
2525 mImpl->RetrieveDefaultInputStyle( style );
2526 mImpl->mModel->mLogicalModel->RetrieveStyle( styleIndex, style );
2528 // Whether to add a new text color run.
2529 const bool addColorRun = ( style.textColor != mImpl->mEventData->mInputStyle.textColor );
2531 // Whether to add a new font run.
2532 const bool addFontNameRun = style.familyName != mImpl->mEventData->mInputStyle.familyName;
2533 const bool addFontWeightRun = style.weight != mImpl->mEventData->mInputStyle.weight;
2534 const bool addFontWidthRun = style.width != mImpl->mEventData->mInputStyle.width;
2535 const bool addFontSlantRun = style.slant != mImpl->mEventData->mInputStyle.slant;
2536 const bool addFontSizeRun = style.size != mImpl->mEventData->mInputStyle.size;
2541 const VectorBase::SizeType numberOfRuns = mImpl->mModel->mLogicalModel->mColorRuns.Count();
2542 mImpl->mModel->mLogicalModel->mColorRuns.Resize( numberOfRuns + 1u );
2544 ColorRun& colorRun = *( mImpl->mModel->mLogicalModel->mColorRuns.Begin() + numberOfRuns );
2545 colorRun.color = mImpl->mEventData->mInputStyle.textColor;
2546 colorRun.characterRun.characterIndex = cursorIndex;
2547 colorRun.characterRun.numberOfCharacters = maxSizeOfNewText;
2550 if( addFontNameRun ||
2556 const VectorBase::SizeType numberOfRuns = mImpl->mModel->mLogicalModel->mFontDescriptionRuns.Count();
2557 mImpl->mModel->mLogicalModel->mFontDescriptionRuns.Resize( numberOfRuns + 1u );
2559 FontDescriptionRun& fontDescriptionRun = *( mImpl->mModel->mLogicalModel->mFontDescriptionRuns.Begin() + numberOfRuns );
2561 if( addFontNameRun )
2563 fontDescriptionRun.familyLength = mImpl->mEventData->mInputStyle.familyName.size();
2564 fontDescriptionRun.familyName = new char[fontDescriptionRun.familyLength];
2565 memcpy( fontDescriptionRun.familyName, mImpl->mEventData->mInputStyle.familyName.c_str(), fontDescriptionRun.familyLength );
2566 fontDescriptionRun.familyDefined = true;
2568 // The memory allocated for the font family name is freed when the font description is removed from the logical model.
2571 if( addFontWeightRun )
2573 fontDescriptionRun.weight = mImpl->mEventData->mInputStyle.weight;
2574 fontDescriptionRun.weightDefined = true;
2577 if( addFontWidthRun )
2579 fontDescriptionRun.width = mImpl->mEventData->mInputStyle.width;
2580 fontDescriptionRun.widthDefined = true;
2583 if( addFontSlantRun )
2585 fontDescriptionRun.slant = mImpl->mEventData->mInputStyle.slant;
2586 fontDescriptionRun.slantDefined = true;
2589 if( addFontSizeRun )
2591 fontDescriptionRun.size = static_cast<PointSize26Dot6>( mImpl->mEventData->mInputStyle.size * 64.f );
2592 fontDescriptionRun.sizeDefined = true;
2595 fontDescriptionRun.characterRun.characterIndex = cursorIndex;
2596 fontDescriptionRun.characterRun.numberOfCharacters = maxSizeOfNewText;
2599 // Insert at current cursor position.
2600 Vector<Character>& modifyText = mImpl->mModel->mLogicalModel->mText;
2602 if( cursorIndex < numberOfCharactersInModel )
2604 modifyText.Insert( modifyText.Begin() + cursorIndex, utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText );
2608 modifyText.Insert( modifyText.End(), utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText );
2611 // Mark the first paragraph to be updated.
2612 mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
2613 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd += maxSizeOfNewText;
2615 // Update the cursor index.
2616 cursorIndex += maxSizeOfNewText;
2618 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Inserted %d characters, new size %d new cursor %d\n", maxSizeOfNewText, mImpl->mModel->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition );
2621 if( ( 0u == mImpl->mModel->mLogicalModel->mText.Count() ) &&
2622 mImpl->IsPlaceholderAvailable() )
2624 // Show place-holder if empty after removing the pre-edit text
2625 ShowPlaceholderText();
2626 mImpl->mEventData->mUpdateCursorPosition = true;
2627 mImpl->ClearPreEditFlag();
2629 else if( removedPrevious ||
2631 ( 0 != utf32Characters.Count() ) )
2633 // Queue an inserted event
2634 mImpl->QueueModifyEvent( ModifyEvent::TEXT_INSERTED );
2636 mImpl->mEventData->mUpdateCursorPosition = true;
2637 if( removedSelected )
2639 mImpl->mEventData->mScrollAfterDelete = true;
2643 mImpl->mEventData->mScrollAfterUpdatePosition = true;
2647 if( maxLengthReached )
2649 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "MaxLengthReached (%d)\n", mImpl->mModel->mLogicalModel->mText.Count() );
2651 mImpl->ResetImfManager();
2653 if( NULL != mImpl->mEditableControlInterface )
2655 // Do this last since it provides callbacks into application code
2656 mImpl->mEditableControlInterface->MaxLengthReached();
2661 void Controller::PasteText( const std::string& stringToPaste )
2663 InsertText( stringToPaste, Text::Controller::COMMIT );
2664 mImpl->ChangeState( EventData::EDITING );
2665 mImpl->RequestRelayout();
2667 if( NULL != mImpl->mEditableControlInterface )
2669 // Do this last since it provides callbacks into application code
2670 mImpl->mEditableControlInterface->TextChanged();
2674 bool Controller::RemoveText( int cursorOffset,
2675 int numberOfCharacters,
2676 UpdateInputStyleType type )
2678 bool removed = false;
2680 if( NULL == mImpl->mEventData )
2685 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p mText.Count() %d cursor %d cursorOffset %d numberOfCharacters %d\n",
2686 this, mImpl->mModel->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition, cursorOffset, numberOfCharacters );
2688 if( !mImpl->IsShowingPlaceholderText() )
2690 // Delete at current cursor position
2691 Vector<Character>& currentText = mImpl->mModel->mLogicalModel->mText;
2692 CharacterIndex& oldCursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
2694 CharacterIndex cursorIndex = 0;
2696 // Validate the cursor position & number of characters
2697 if( ( static_cast< int >( mImpl->mEventData->mPrimaryCursorPosition ) + cursorOffset ) >= 0 )
2699 cursorIndex = mImpl->mEventData->mPrimaryCursorPosition + cursorOffset;
2702 if( ( cursorIndex + numberOfCharacters ) > currentText.Count() )
2704 numberOfCharacters = currentText.Count() - cursorIndex;
2707 if( mImpl->mEventData->mPreEditFlag || // If the preedit flag is enabled, it means two (or more) of them came together i.e. when two keys have been pressed at the same time.
2708 ( ( cursorIndex + numberOfCharacters ) <= mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters ) )
2710 // Mark the paragraphs to be updated.
2711 mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
2712 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove += numberOfCharacters;
2714 // Update the input style and remove the text's style before removing the text.
2716 if( UPDATE_INPUT_STYLE == type )
2718 // Keep a copy of the current input style.
2719 InputStyle currentInputStyle;
2720 currentInputStyle.Copy( mImpl->mEventData->mInputStyle );
2722 // Set first the default input style.
2723 mImpl->RetrieveDefaultInputStyle( mImpl->mEventData->mInputStyle );
2725 // Update the input style.
2726 mImpl->mModel->mLogicalModel->RetrieveStyle( cursorIndex, mImpl->mEventData->mInputStyle );
2728 // Compare if the input style has changed.
2729 const bool hasInputStyleChanged = !currentInputStyle.Equal( mImpl->mEventData->mInputStyle );
2731 if( hasInputStyleChanged )
2733 const InputStyle::Mask styleChangedMask = currentInputStyle.GetInputStyleChangeMask( mImpl->mEventData->mInputStyle );
2734 // Queue the input style changed signal.
2735 mImpl->mEventData->mInputStyleChangedQueue.PushBack( styleChangedMask );
2739 // Updates the text style runs by removing characters. Runs with no characters are removed.
2740 mImpl->mModel->mLogicalModel->UpdateTextStyleRuns( cursorIndex, -numberOfCharacters );
2742 // Remove the characters.
2743 Vector<Character>::Iterator first = currentText.Begin() + cursorIndex;
2744 Vector<Character>::Iterator last = first + numberOfCharacters;
2746 currentText.Erase( first, last );
2748 // Cursor position retreat
2749 oldCursorIndex = cursorIndex;
2751 mImpl->mEventData->mScrollAfterDelete = true;
2753 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p removed %d\n", this, numberOfCharacters );
2761 bool Controller::RemoveSelectedText()
2763 bool textRemoved( false );
2765 if( EventData::SELECTING == mImpl->mEventData->mState )
2767 std::string removedString;
2768 mImpl->RetrieveSelection( removedString, true );
2770 if( !removedString.empty() )
2773 mImpl->ChangeState( EventData::EDITING );
2780 // private : Relayout.
2782 bool Controller::DoRelayout( const Size& size,
2783 OperationsMask operationsRequired,
2786 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout %p size %f,%f\n", this, size.width, size.height );
2787 bool viewUpdated( false );
2789 // Calculate the operations to be done.
2790 const OperationsMask operations = static_cast<OperationsMask>( mImpl->mOperationsPending & operationsRequired );
2792 const CharacterIndex startIndex = mImpl->mTextUpdateInfo.mParagraphCharacterIndex;
2793 const Length requestedNumberOfCharacters = mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters;
2795 // Get the current layout size.
2796 layoutSize = mImpl->mModel->mVisualModel->GetLayoutSize();
2798 if( NO_OPERATION != ( LAYOUT & operations ) )
2800 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout LAYOUT & operations\n");
2802 // Some vectors with data needed to layout and reorder may be void
2803 // after the first time the text has been laid out.
2804 // Fill the vectors again.
2806 // Calculate the number of glyphs to layout.
2807 const Vector<GlyphIndex>& charactersToGlyph = mImpl->mModel->mVisualModel->mCharactersToGlyph;
2808 const Vector<Length>& glyphsPerCharacter = mImpl->mModel->mVisualModel->mGlyphsPerCharacter;
2809 const GlyphIndex* const charactersToGlyphBuffer = charactersToGlyph.Begin();
2810 const Length* const glyphsPerCharacterBuffer = glyphsPerCharacter.Begin();
2812 const CharacterIndex lastIndex = startIndex + ( ( requestedNumberOfCharacters > 0u ) ? requestedNumberOfCharacters - 1u : 0u );
2813 const GlyphIndex startGlyphIndex = mImpl->mTextUpdateInfo.mStartGlyphIndex;
2814 const Length numberOfGlyphs = ( requestedNumberOfCharacters > 0u ) ? *( charactersToGlyphBuffer + lastIndex ) + *( glyphsPerCharacterBuffer + lastIndex ) - startGlyphIndex : 0u;
2815 const Length totalNumberOfGlyphs = mImpl->mModel->mVisualModel->mGlyphs.Count();
2817 if( 0u == totalNumberOfGlyphs )
2819 if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) )
2821 mImpl->mModel->mVisualModel->SetLayoutSize( Size::ZERO );
2824 // Nothing else to do if there is no glyphs.
2825 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout no glyphs, view updated true\n" );
2829 const Vector<LineBreakInfo>& lineBreakInfo = mImpl->mModel->mLogicalModel->mLineBreakInfo;
2830 const Vector<WordBreakInfo>& wordBreakInfo = mImpl->mModel->mLogicalModel->mWordBreakInfo;
2831 const Vector<CharacterDirection>& characterDirection = mImpl->mModel->mLogicalModel->mCharacterDirections;
2832 const Vector<GlyphInfo>& glyphs = mImpl->mModel->mVisualModel->mGlyphs;
2833 const Vector<CharacterIndex>& glyphsToCharactersMap = mImpl->mModel->mVisualModel->mGlyphsToCharacters;
2834 const Vector<Length>& charactersPerGlyph = mImpl->mModel->mVisualModel->mCharactersPerGlyph;
2835 const Character* const textBuffer = mImpl->mModel->mLogicalModel->mText.Begin();
2837 // Set the layout parameters.
2838 Layout::Parameters layoutParameters( size,
2840 lineBreakInfo.Begin(),
2841 wordBreakInfo.Begin(),
2842 ( 0u != characterDirection.Count() ) ? characterDirection.Begin() : NULL,
2844 glyphsToCharactersMap.Begin(),
2845 charactersPerGlyph.Begin(),
2846 charactersToGlyphBuffer,
2847 glyphsPerCharacterBuffer,
2848 totalNumberOfGlyphs,
2849 mImpl->mModel->mHorizontalAlignment );
2851 // Resize the vector of positions to have the same size than the vector of glyphs.
2852 Vector<Vector2>& glyphPositions = mImpl->mModel->mVisualModel->mGlyphPositions;
2853 glyphPositions.Resize( totalNumberOfGlyphs );
2855 // Whether the last character is a new paragraph character.
2856 mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph = TextAbstraction::IsNewParagraph( *( textBuffer + ( mImpl->mModel->mLogicalModel->mText.Count() - 1u ) ) );
2857 layoutParameters.isLastNewParagraph = mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph;
2859 // The initial glyph and the number of glyphs to layout.
2860 layoutParameters.startGlyphIndex = startGlyphIndex;
2861 layoutParameters.numberOfGlyphs = numberOfGlyphs;
2862 layoutParameters.startLineIndex = mImpl->mTextUpdateInfo.mStartLineIndex;
2863 layoutParameters.estimatedNumberOfLines = mImpl->mTextUpdateInfo.mEstimatedNumberOfLines;
2865 // Update the visual model.
2867 viewUpdated = mImpl->mLayoutEngine.LayoutText( layoutParameters,
2869 mImpl->mModel->mVisualModel->mLines,
2871 mImpl->mModel->mElideEnabled );
2873 viewUpdated = viewUpdated || ( newLayoutSize != layoutSize );
2877 layoutSize = newLayoutSize;
2879 if( NO_OPERATION != ( UPDATE_DIRECTION & operations ) )
2881 mImpl->mAutoScrollDirectionRTL = false;
2884 // Reorder the lines
2885 if( NO_OPERATION != ( REORDER & operations ) )
2887 Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo = mImpl->mModel->mLogicalModel->mBidirectionalParagraphInfo;
2888 Vector<BidirectionalLineInfoRun>& bidirectionalLineInfo = mImpl->mModel->mLogicalModel->mBidirectionalLineInfo;
2890 // Check first if there are paragraphs with bidirectional info.
2891 if( 0u != bidirectionalInfo.Count() )
2894 const Length numberOfLines = mImpl->mModel->mVisualModel->mLines.Count();
2896 // Reorder the lines.
2897 bidirectionalLineInfo.Reserve( numberOfLines ); // Reserve because is not known yet how many lines have right to left characters.
2898 ReorderLines( bidirectionalInfo,
2900 requestedNumberOfCharacters,
2901 mImpl->mModel->mVisualModel->mLines,
2902 bidirectionalLineInfo );
2904 // Set the bidirectional info per line into the layout parameters.
2905 layoutParameters.lineBidirectionalInfoRunsBuffer = bidirectionalLineInfo.Begin();
2906 layoutParameters.numberOfBidirectionalInfoRuns = bidirectionalLineInfo.Count();
2908 // Re-layout the text. Reorder those lines with right to left characters.
2909 mImpl->mLayoutEngine.ReLayoutRightToLeftLines( layoutParameters,
2911 requestedNumberOfCharacters,
2914 if ( ( NO_OPERATION != ( UPDATE_DIRECTION & operations ) ) && ( numberOfLines > 0 ) )
2916 const LineRun* const firstline = mImpl->mModel->mVisualModel->mLines.Begin();
2919 mImpl->mAutoScrollDirectionRTL = firstline->direction;
2925 // Sets the layout size.
2926 if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) )
2928 mImpl->mModel->mVisualModel->SetLayoutSize( layoutSize );
2933 if( NO_OPERATION != ( ALIGN & operations ) )
2935 // The laid-out lines.
2936 Vector<LineRun>& lines = mImpl->mModel->mVisualModel->mLines;
2938 // Need to align with the control's size as the text may contain lines
2939 // starting either with left to right text or right to left.
2940 mImpl->mLayoutEngine.Align( size,
2942 requestedNumberOfCharacters,
2943 mImpl->mModel->mHorizontalAlignment,
2945 mImpl->mModel->mAlignmentOffset );
2949 #if defined(DEBUG_ENABLED)
2950 std::string currentText;
2951 GetText( currentText );
2952 DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::DoRelayout [%p] mImpl->mAutoScrollDirectionRTL[%s] [%s]\n", this, (mImpl->mAutoScrollDirectionRTL)?"true":"false", currentText.c_str() );
2954 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout, view updated %s\n", ( viewUpdated ? "true" : "false" ) );
2958 void Controller::CalculateVerticalOffset( const Size& controlSize )
2960 Size layoutSize = mImpl->mModel->mVisualModel->GetLayoutSize();
2962 if( fabsf( layoutSize.height ) < Math::MACHINE_EPSILON_1000 )
2964 // Get the line height of the default font.
2965 layoutSize.height = mImpl->GetDefaultFontLineHeight();
2968 switch( mImpl->mModel->mVerticalAlignment )
2970 case Layout::VERTICAL_ALIGN_TOP:
2972 mImpl->mModel->mScrollPosition.y = 0.f;
2975 case Layout::VERTICAL_ALIGN_CENTER:
2977 mImpl->mModel->mScrollPosition.y = floorf( 0.5f * ( controlSize.height - layoutSize.height ) ); // try to avoid pixel alignment.
2980 case Layout::VERTICAL_ALIGN_BOTTOM:
2982 mImpl->mModel->mScrollPosition.y = controlSize.height - layoutSize.height;
2988 // private : Events.
2990 void Controller::ProcessModifyEvents()
2992 Vector<ModifyEvent>& events = mImpl->mModifyEvents;
2994 if( 0u == events.Count() )
3000 for( Vector<ModifyEvent>::ConstIterator it = events.Begin(),
3001 endIt = events.End();
3005 const ModifyEvent& event = *it;
3007 if( ModifyEvent::TEXT_REPLACED == event.type )
3009 // A (single) replace event should come first, otherwise we wasted time processing NOOP events
3010 DALI_ASSERT_DEBUG( it == events.Begin() && "Unexpected TEXT_REPLACED event" );
3012 TextReplacedEvent();
3014 else if( ModifyEvent::TEXT_INSERTED == event.type )
3016 TextInsertedEvent();
3018 else if( ModifyEvent::TEXT_DELETED == event.type )
3020 // Placeholder-text cannot be deleted
3021 if( !mImpl->IsShowingPlaceholderText() )
3028 if( NULL != mImpl->mEventData )
3030 // When the text is being modified, delay cursor blinking
3031 mImpl->mEventData->mDecorator->DelayCursorBlink();
3034 // Discard temporary text
3038 void Controller::TextReplacedEvent()
3040 // The natural size needs to be re-calculated.
3041 mImpl->mRecalculateNaturalSize = true;
3043 // Apply modifications to the model
3044 mImpl->mOperationsPending = ALL_OPERATIONS;
3047 void Controller::TextInsertedEvent()
3049 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextInsertedEvent" );
3051 if( NULL == mImpl->mEventData )
3056 mImpl->mEventData->mCheckScrollAmount = true;
3058 // The natural size needs to be re-calculated.
3059 mImpl->mRecalculateNaturalSize = true;
3061 // Apply modifications to the model; TODO - Optimize this
3062 mImpl->mOperationsPending = ALL_OPERATIONS;
3065 void Controller::TextDeletedEvent()
3067 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextDeletedEvent" );
3069 if( NULL == mImpl->mEventData )
3074 mImpl->mEventData->mCheckScrollAmount = true;
3076 // The natural size needs to be re-calculated.
3077 mImpl->mRecalculateNaturalSize = true;
3079 // Apply modifications to the model; TODO - Optimize this
3080 mImpl->mOperationsPending = ALL_OPERATIONS;
3083 void Controller::SelectEvent( float x, float y, bool selectAll )
3085 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SelectEvent\n" );
3087 if( NULL != mImpl->mEventData )
3091 Event event( Event::SELECT_ALL );
3092 mImpl->mEventData->mEventQueue.push_back( event );
3096 Event event( Event::SELECT );
3097 event.p2.mFloat = x;
3098 event.p3.mFloat = y;
3099 mImpl->mEventData->mEventQueue.push_back( event );
3102 mImpl->mEventData->mCheckScrollAmount = true;
3103 mImpl->mEventData->mIsLeftHandleSelected = true;
3104 mImpl->mEventData->mIsRightHandleSelected = true;
3105 mImpl->RequestRelayout();
3109 bool Controller::BackspaceKeyEvent()
3111 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p DALI_KEY_BACKSPACE\n", this );
3113 bool removed = false;
3115 if( NULL == mImpl->mEventData )
3120 // IMF manager is no longer handling key-events
3121 mImpl->ClearPreEditFlag();
3123 if( EventData::SELECTING == mImpl->mEventData->mState )
3125 removed = RemoveSelectedText();
3127 else if( mImpl->mEventData->mPrimaryCursorPosition > 0 )
3129 // Remove the character before the current cursor position
3130 removed = RemoveText( -1,
3132 UPDATE_INPUT_STYLE );
3137 if( ( 0u != mImpl->mModel->mLogicalModel->mText.Count() ) ||
3138 !mImpl->IsPlaceholderAvailable() )
3140 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
3144 ShowPlaceholderText();
3146 mImpl->mEventData->mUpdateCursorPosition = true;
3147 mImpl->mEventData->mScrollAfterDelete = true;
3153 // private : Helpers.
3155 void Controller::ResetText()
3158 mImpl->mModel->mLogicalModel->mText.Clear();
3160 // We have cleared everything including the placeholder-text
3161 mImpl->PlaceholderCleared();
3163 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
3164 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
3165 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = 0u;
3167 // Clear any previous text.
3168 mImpl->mTextUpdateInfo.mClearAll = true;
3170 // The natural size needs to be re-calculated.
3171 mImpl->mRecalculateNaturalSize = true;
3173 // Apply modifications to the model
3174 mImpl->mOperationsPending = ALL_OPERATIONS;
3177 void Controller::ShowPlaceholderText()
3179 if( mImpl->IsPlaceholderAvailable() )
3181 DALI_ASSERT_DEBUG( mImpl->mEventData && "No placeholder text available" );
3183 if( NULL == mImpl->mEventData )
3188 mImpl->mEventData->mIsShowingPlaceholderText = true;
3190 // Disable handles when showing place-holder text
3191 mImpl->mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
3192 mImpl->mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
3193 mImpl->mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
3195 const char* text( NULL );
3198 // TODO - Switch placeholder text styles when changing state
3199 if( ( EventData::INACTIVE != mImpl->mEventData->mState ) &&
3200 ( 0u != mImpl->mEventData->mPlaceholderTextActive.c_str() ) )
3202 text = mImpl->mEventData->mPlaceholderTextActive.c_str();
3203 size = mImpl->mEventData->mPlaceholderTextActive.size();
3207 text = mImpl->mEventData->mPlaceholderTextInactive.c_str();
3208 size = mImpl->mEventData->mPlaceholderTextInactive.size();
3211 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
3212 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
3214 // Reset model for showing placeholder.
3215 mImpl->mModel->mLogicalModel->mText.Clear();
3216 mImpl->mModel->mVisualModel->SetTextColor( mImpl->mEventData->mPlaceholderTextColor );
3218 // Convert text into UTF-32
3219 Vector<Character>& utf32Characters = mImpl->mModel->mLogicalModel->mText;
3220 utf32Characters.Resize( size );
3222 // This is a bit horrible but std::string returns a (signed) char*
3223 const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text );
3225 // Transform a text array encoded in utf8 into an array encoded in utf32.
3226 // It returns the actual number of characters.
3227 const Length characterCount = Utf8ToUtf32( utf8, size, utf32Characters.Begin() );
3228 utf32Characters.Resize( characterCount );
3230 // The characters to be added.
3231 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = characterCount;
3233 // Reset the cursor position
3234 mImpl->mEventData->mPrimaryCursorPosition = 0;
3236 // The natural size needs to be re-calculated.
3237 mImpl->mRecalculateNaturalSize = true;
3239 // Apply modifications to the model
3240 mImpl->mOperationsPending = ALL_OPERATIONS;
3242 // Update the rest of the model during size negotiation
3243 mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED );
3247 void Controller::ClearFontData()
3249 if( mImpl->mFontDefaults )
3251 mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
3254 // Set flags to update the model.
3255 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
3256 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
3257 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mModel->mLogicalModel->mText.Count();
3259 mImpl->mTextUpdateInfo.mClearAll = true;
3260 mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true;
3261 mImpl->mRecalculateNaturalSize = true;
3263 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
3268 UPDATE_LAYOUT_SIZE |
3273 void Controller::ClearStyleData()
3275 mImpl->mModel->mLogicalModel->mColorRuns.Clear();
3276 mImpl->mModel->mLogicalModel->ClearFontDescriptionRuns();
3279 void Controller::ResetCursorPosition( CharacterIndex cursorIndex )
3281 // Reset the cursor position
3282 if( NULL != mImpl->mEventData )
3284 mImpl->mEventData->mPrimaryCursorPosition = cursorIndex;
3286 // Update the cursor if it's in editing mode.
3287 if( EventData::IsEditingState( mImpl->mEventData->mState ) )
3289 mImpl->mEventData->mUpdateCursorPosition = true;
3294 void Controller::ResetScrollPosition()
3296 if( NULL != mImpl->mEventData )
3298 // Reset the scroll position.
3299 mImpl->mModel->mScrollPosition = Vector2::ZERO;
3300 mImpl->mEventData->mScrollAfterUpdatePosition = true;
3304 // private : Private contructors & copy operator.
3306 Controller::Controller()
3309 mImpl = new Controller::Impl( NULL, NULL );
3312 Controller::Controller( ControlInterface* controlInterface )
3314 mImpl = new Controller::Impl( controlInterface, NULL );
3317 Controller::Controller( ControlInterface* controlInterface,
3318 EditableControlInterface* editableControlInterface )
3320 mImpl = new Controller::Impl( controlInterface,
3321 editableControlInterface );
3324 // The copy constructor and operator are left unimplemented.
3326 // protected : Destructor.
3328 Controller::~Controller()
3335 } // namespace Toolkit