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 // public : Queries & retrieves.
1443 Layout::Engine& Controller::GetLayoutEngine()
1445 return mImpl->mLayoutEngine;
1448 View& Controller::GetView()
1450 return mImpl->mView;
1453 Vector3 Controller::GetNaturalSize()
1455 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetNaturalSize\n" );
1456 Vector3 naturalSize;
1458 // Make sure the model is up-to-date before layouting
1459 ProcessModifyEvents();
1461 if( mImpl->mRecalculateNaturalSize )
1463 // Operations that can be done only once until the text changes.
1464 const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
1471 GET_GLYPH_METRICS );
1473 // Set the update info to relayout the whole text.
1474 mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u;
1475 mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mModel->mLogicalModel->mText.Count();
1477 // Make sure the model is up-to-date before layouting
1478 mImpl->UpdateModel( onlyOnceOperations );
1480 // Layout the text for the new width.
1481 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | LAYOUT );
1483 // Store the actual control's size to restore later.
1484 const Size actualControlSize = mImpl->mModel->mVisualModel->mControlSize;
1486 DoRelayout( Size( MAX_FLOAT, MAX_FLOAT ),
1487 static_cast<OperationsMask>( onlyOnceOperations |
1489 naturalSize.GetVectorXY() );
1491 // Do not do again the only once operations.
1492 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
1494 // Do the size related operations again.
1495 const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
1498 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
1500 // Stores the natural size to avoid recalculate it again
1501 // unless the text/style changes.
1502 mImpl->mModel->mVisualModel->SetNaturalSize( naturalSize.GetVectorXY() );
1504 mImpl->mRecalculateNaturalSize = false;
1506 // Clear the update info. This info will be set the next time the text is updated.
1507 mImpl->mTextUpdateInfo.Clear();
1509 // Restore the actual control's size.
1510 mImpl->mModel->mVisualModel->mControlSize = actualControlSize;
1512 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize calculated %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
1516 naturalSize = mImpl->mModel->mVisualModel->GetNaturalSize();
1518 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize cached %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
1521 naturalSize.x = ConvertToEven( naturalSize.x );
1522 naturalSize.y = ConvertToEven( naturalSize.y );
1527 float Controller::GetHeightForWidth( float width )
1529 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetHeightForWidth %p width %f\n", this, width );
1530 // Make sure the model is up-to-date before layouting
1531 ProcessModifyEvents();
1534 if( fabsf( width - mImpl->mModel->mVisualModel->mControlSize.width ) > Math::MACHINE_EPSILON_1000 )
1536 // Operations that can be done only once until the text changes.
1537 const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
1544 GET_GLYPH_METRICS );
1546 // Set the update info to relayout the whole text.
1547 mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u;
1548 mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mModel->mLogicalModel->mText.Count();
1550 // Make sure the model is up-to-date before layouting
1551 mImpl->UpdateModel( onlyOnceOperations );
1554 // Layout the text for the new width.
1555 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | LAYOUT );
1557 // Store the actual control's width.
1558 const float actualControlWidth = mImpl->mModel->mVisualModel->mControlSize.width;
1560 DoRelayout( Size( width, MAX_FLOAT ),
1561 static_cast<OperationsMask>( onlyOnceOperations |
1565 // Do not do again the only once operations.
1566 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
1568 // Do the size related operations again.
1569 const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
1573 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
1575 // Clear the update info. This info will be set the next time the text is updated.
1576 mImpl->mTextUpdateInfo.Clear();
1578 // Restore the actual control's width.
1579 mImpl->mModel->mVisualModel->mControlSize.width = actualControlWidth;
1581 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth calculated %f\n", layoutSize.height );
1585 layoutSize = mImpl->mModel->mVisualModel->GetLayoutSize();
1586 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth cached %f\n", layoutSize.height );
1589 return layoutSize.height;
1592 const ModelInterface* const Controller::GetTextModel() const
1594 return mImpl->mModel.Get();
1597 float Controller::GetScrollAmountByUserInput()
1599 float scrollAmount = 0.0f;
1601 if (NULL != mImpl->mEventData && mImpl->mEventData->mCheckScrollAmount)
1603 scrollAmount = mImpl->mModel->mScrollPosition.y - mImpl->mModel->mScrollPositionLast.y;
1604 mImpl->mEventData->mCheckScrollAmount = false;
1606 return scrollAmount;
1609 bool Controller::GetTextScrollInfo( float& scrollPosition, float& controlHeight, float& layoutHeight )
1611 const Vector2& layout = mImpl->mModel->mVisualModel->GetLayoutSize();
1614 controlHeight = mImpl->mModel->mVisualModel->mControlSize.height;
1615 layoutHeight = layout.height;
1616 scrollPosition = mImpl->mModel->mScrollPosition.y;
1617 isScrolled = !Equals( mImpl->mModel->mScrollPosition.y, mImpl->mModel->mScrollPositionLast.y, Math::MACHINE_EPSILON_1 );
1621 void Controller::SetHiddenInputOption(const Property::Map& options )
1623 if( NULL == mImpl->mHiddenInput )
1625 mImpl->mHiddenInput = new HiddenText( this );
1627 mImpl->mHiddenInput->SetProperties(options);
1630 void Controller::GetHiddenInputOption(Property::Map& options )
1632 if( NULL != mImpl->mHiddenInput )
1634 mImpl->mHiddenInput->GetProperties(options);
1638 // public : Relayout.
1640 Controller::UpdateTextType Controller::Relayout( const Size& size )
1642 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::Relayout %p size %f,%f, autoScroll[%s]\n", this, size.width, size.height, mImpl->mIsAutoScrollEnabled ?"true":"false" );
1644 UpdateTextType updateTextType = NONE_UPDATED;
1646 if( ( size.width < Math::MACHINE_EPSILON_1000 ) || ( size.height < Math::MACHINE_EPSILON_1000 ) )
1648 if( 0u != mImpl->mModel->mVisualModel->mGlyphPositions.Count() )
1650 mImpl->mModel->mVisualModel->mGlyphPositions.Clear();
1651 updateTextType = MODEL_UPDATED;
1654 // Clear the update info. This info will be set the next time the text is updated.
1655 mImpl->mTextUpdateInfo.Clear();
1657 // Not worth to relayout if width or height is equal to zero.
1658 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout (skipped)\n" );
1660 return updateTextType;
1663 // Whether a new size has been set.
1664 const bool newSize = ( size != mImpl->mModel->mVisualModel->mControlSize );
1668 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "new size (previous size %f,%f)\n", mImpl->mModel->mVisualModel->mControlSize.width, mImpl->mModel->mVisualModel->mControlSize.height );
1670 // Layout operations that need to be done if the size changes.
1671 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1674 UPDATE_LAYOUT_SIZE |
1676 // Set the update info to relayout the whole text.
1677 mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true;
1678 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
1680 // Store the size used to layout the text.
1681 mImpl->mModel->mVisualModel->mControlSize = size;
1684 // Whether there are modify events.
1685 if( 0u != mImpl->mModifyEvents.Count() )
1687 // Style operations that need to be done if the text is modified.
1688 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1692 // Make sure the model is up-to-date before layouting.
1693 ProcessModifyEvents();
1694 bool updated = mImpl->UpdateModel( mImpl->mOperationsPending );
1698 updated = DoRelayout( size,
1699 mImpl->mOperationsPending,
1700 layoutSize ) || updated;
1704 updateTextType = MODEL_UPDATED;
1707 // Do not re-do any operation until something changes.
1708 mImpl->mOperationsPending = NO_OPERATION;
1709 mImpl->mModel->mScrollPositionLast = mImpl->mModel->mScrollPosition;
1711 // Whether the text control is editable
1712 const bool isEditable = NULL != mImpl->mEventData;
1714 // Keep the current offset as it will be used to update the decorator's positions (if the size changes).
1716 if( newSize && isEditable )
1718 offset = mImpl->mModel->mScrollPosition;
1721 if( !isEditable || !IsMultiLineEnabled() )
1723 // After doing the text layout, the vertical offset to place the actor in the desired position can be calculated.
1724 CalculateVerticalOffset( size );
1731 // If there is a new size, the scroll position needs to be clamped.
1732 mImpl->ClampHorizontalScroll( layoutSize );
1734 // Update the decorator's positions is needed if there is a new size.
1735 mImpl->mEventData->mDecorator->UpdatePositions( mImpl->mModel->mScrollPosition - offset );
1738 // Move the cursor, grab handle etc.
1739 if( mImpl->ProcessInputEvents() )
1741 updateTextType = static_cast<UpdateTextType>( updateTextType | DECORATOR_UPDATED );
1745 // Clear the update info. This info will be set the next time the text is updated.
1746 mImpl->mTextUpdateInfo.Clear();
1747 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout\n" );
1749 return updateTextType;
1752 void Controller::RequestRelayout()
1754 mImpl->RequestRelayout();
1757 // public : Input style change signals.
1759 bool Controller::IsInputStyleChangedSignalsQueueEmpty()
1761 return ( NULL == mImpl->mEventData ) || ( 0u == mImpl->mEventData->mInputStyleChangedQueue.Count() );
1764 void Controller::ProcessInputStyleChangedSignals()
1766 if( NULL == mImpl->mEventData )
1772 for( Vector<InputStyle::Mask>::ConstIterator it = mImpl->mEventData->mInputStyleChangedQueue.Begin(),
1773 endIt = mImpl->mEventData->mInputStyleChangedQueue.End();
1777 const InputStyle::Mask mask = *it;
1779 if( NULL != mImpl->mEditableControlInterface )
1781 // Emit the input style changed signal.
1782 mImpl->mEditableControlInterface->InputStyleChanged( mask );
1786 mImpl->mEventData->mInputStyleChangedQueue.Clear();
1789 // public : Text-input Event Queuing.
1791 void Controller::KeyboardFocusGainEvent()
1793 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusGainEvent" );
1795 if( NULL != mImpl->mEventData )
1797 if( ( EventData::INACTIVE == mImpl->mEventData->mState ) ||
1798 ( EventData::INTERRUPTED == mImpl->mEventData->mState ) )
1800 mImpl->ChangeState( EventData::EDITING );
1801 mImpl->mEventData->mUpdateCursorPosition = true; //If editing started without tap event, cursor update must be triggered.
1802 mImpl->mEventData->mUpdateInputStyle = true;
1804 mImpl->NotifyImfMultiLineStatus();
1805 if( mImpl->IsShowingPlaceholderText() )
1807 // Show alternative placeholder-text when editing
1808 ShowPlaceholderText();
1811 mImpl->RequestRelayout();
1815 void Controller::KeyboardFocusLostEvent()
1817 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusLostEvent" );
1819 if( NULL != mImpl->mEventData )
1821 if( EventData::INTERRUPTED != mImpl->mEventData->mState )
1823 mImpl->ChangeState( EventData::INACTIVE );
1825 if( !mImpl->IsShowingRealText() )
1827 // Revert to regular placeholder-text when not editing
1828 ShowPlaceholderText();
1832 mImpl->RequestRelayout();
1835 bool Controller::KeyEvent( const Dali::KeyEvent& keyEvent )
1837 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyEvent" );
1839 bool textChanged = false;
1840 bool relayoutNeeded = false;
1842 if( ( NULL != mImpl->mEventData ) &&
1843 ( keyEvent.state == KeyEvent::Down ) )
1845 int keyCode = keyEvent.keyCode;
1846 const std::string& keyString = keyEvent.keyPressed;
1848 const bool isNullKey = ( 0 == keyCode ) && ( keyString.empty() );
1850 // Pre-process to separate modifying events from non-modifying input events.
1853 // In some platforms arrive key events with no key code.
1856 else if( Dali::DALI_KEY_ESCAPE == keyCode )
1858 // Escape key is a special case which causes focus loss
1859 KeyboardFocusLostEvent();
1861 // Will request for relayout.
1862 relayoutNeeded = true;
1864 else if( ( Dali::DALI_KEY_CURSOR_LEFT == keyCode ) ||
1865 ( Dali::DALI_KEY_CURSOR_RIGHT == keyCode ) ||
1866 ( Dali::DALI_KEY_CURSOR_UP == keyCode ) ||
1867 ( Dali::DALI_KEY_CURSOR_DOWN == keyCode ) )
1869 // If don't have any text, do nothing.
1870 if( !mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters )
1875 uint32_t cursorPosition = mImpl->mEventData->mPrimaryCursorPosition;
1876 uint32_t numberOfCharacters = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
1877 uint32_t cursorLine = mImpl->mModel->mVisualModel->GetLineOfCharacter( cursorPosition );
1878 uint32_t numberOfLines = mImpl->mModel->GetNumberOfLines();
1880 // Logic to determine whether this text control will lose focus or not.
1881 if( ( Dali::DALI_KEY_CURSOR_LEFT == keyCode && 0 == cursorPosition ) ||
1882 ( Dali::DALI_KEY_CURSOR_RIGHT == keyCode && numberOfCharacters == cursorPosition) ||
1883 ( Dali::DALI_KEY_CURSOR_DOWN == keyCode && cursorLine == numberOfLines -1 ) ||
1884 ( Dali::DALI_KEY_CURSOR_DOWN == keyCode && numberOfCharacters == cursorPosition && cursorLine -1 == numberOfLines -1 ) ||
1885 ( Dali::DALI_KEY_CURSOR_UP == keyCode && cursorLine == 0 ) ||
1886 ( Dali::DALI_KEY_CURSOR_UP == keyCode && numberOfCharacters == cursorPosition && cursorLine == 1 ) )
1891 mImpl->mEventData->mCheckScrollAmount = true;
1892 Event event( Event::CURSOR_KEY_EVENT );
1893 event.p1.mInt = keyCode;
1894 mImpl->mEventData->mEventQueue.push_back( event );
1896 // Will request for relayout.
1897 relayoutNeeded = true;
1899 else if( Dali::DALI_KEY_BACKSPACE == keyCode )
1901 textChanged = BackspaceKeyEvent();
1903 // Will request for relayout.
1904 relayoutNeeded = true;
1906 else if( IsKey( keyEvent, Dali::DALI_KEY_POWER ) ||
1907 IsKey( keyEvent, Dali::DALI_KEY_MENU ) ||
1908 IsKey( keyEvent, Dali::DALI_KEY_HOME ) )
1910 // Power key/Menu/Home key behaviour does not allow edit mode to resume.
1911 mImpl->ChangeState( EventData::INACTIVE );
1913 // Will request for relayout.
1914 relayoutNeeded = true;
1916 // This branch avoids calling the InsertText() method of the 'else' branch which can delete selected text.
1918 else if( Dali::DALI_KEY_SHIFT_LEFT == keyCode )
1920 // DALI_KEY_SHIFT_LEFT is the key code for the Left Shift. It's sent (by the imf?) when the predictive text is enabled
1921 // and a character is typed after the type of a upper case latin character.
1925 else if( ( Dali::DALI_KEY_VOLUME_UP == keyCode ) || ( Dali::DALI_KEY_VOLUME_DOWN == keyCode ) )
1927 // This branch avoids calling the InsertText() method of the 'else' branch which can delete selected text.
1932 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p keyString %s\n", this, keyString.c_str() );
1934 // IMF manager is no longer handling key-events
1935 mImpl->ClearPreEditFlag();
1937 InsertText( keyString, COMMIT );
1940 // Will request for relayout.
1941 relayoutNeeded = true;
1944 if ( ( mImpl->mEventData->mState != EventData::INTERRUPTED ) &&
1945 ( mImpl->mEventData->mState != EventData::INACTIVE ) &&
1947 ( Dali::DALI_KEY_SHIFT_LEFT != keyCode ) &&
1948 ( Dali::DALI_KEY_VOLUME_UP != keyCode ) &&
1949 ( Dali::DALI_KEY_VOLUME_DOWN != keyCode ) )
1951 // Should not change the state if the key is the shift send by the imf manager.
1952 // Otherwise, when the state is SELECTING the text controller can't send the right
1953 // surrounding info to the imf.
1954 mImpl->ChangeState( EventData::EDITING );
1956 // Will request for relayout.
1957 relayoutNeeded = true;
1960 if( relayoutNeeded )
1962 mImpl->RequestRelayout();
1967 ( NULL != mImpl->mEditableControlInterface ) )
1969 // Do this last since it provides callbacks into application code
1970 mImpl->mEditableControlInterface->TextChanged();
1976 void Controller::TapEvent( unsigned int tapCount, float x, float y )
1978 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected TapEvent" );
1980 if( NULL != mImpl->mEventData )
1982 DALI_LOG_INFO( gLogFilter, Debug::Concise, "TapEvent state:%d \n", mImpl->mEventData->mState );
1983 EventData::State state( mImpl->mEventData->mState );
1984 bool relayoutNeeded( false ); // to avoid unnecessary relayouts when tapping an empty text-field
1986 if( mImpl->IsClipboardVisible() )
1988 if( EventData::INACTIVE == state || EventData::EDITING == state)
1990 mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE );
1992 relayoutNeeded = true;
1994 else if( 1u == tapCount )
1996 if( EventData::EDITING_WITH_POPUP == state || EventData::EDITING_WITH_PASTE_POPUP == state )
1998 mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE ); // If Popup shown hide it here so can be shown again if required.
2001 if( mImpl->IsShowingRealText() && ( EventData::INACTIVE != state ) )
2003 mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE );
2004 relayoutNeeded = true;
2008 if( mImpl->IsShowingPlaceholderText() && !mImpl->IsFocusedPlaceholderAvailable() )
2010 // Hide placeholder text
2014 if( EventData::INACTIVE == state )
2016 mImpl->ChangeState( EventData::EDITING );
2018 else if( !mImpl->IsClipboardEmpty() )
2020 mImpl->ChangeState( EventData::EDITING_WITH_POPUP );
2022 relayoutNeeded = true;
2025 else if( 2u == tapCount )
2027 if( mImpl->mEventData->mSelectionEnabled &&
2028 mImpl->IsShowingRealText() )
2030 relayoutNeeded = true;
2031 mImpl->mEventData->mIsLeftHandleSelected = true;
2032 mImpl->mEventData->mIsRightHandleSelected = true;
2036 // Handles & cursors must be repositioned after Relayout() i.e. after the Model has been updated
2037 if( relayoutNeeded )
2039 Event event( Event::TAP_EVENT );
2040 event.p1.mUint = tapCount;
2041 event.p2.mFloat = x;
2042 event.p3.mFloat = y;
2043 mImpl->mEventData->mEventQueue.push_back( event );
2045 mImpl->RequestRelayout();
2049 // Reset keyboard as tap event has occurred.
2050 mImpl->ResetImfManager();
2053 void Controller::PanEvent( Gesture::State state, const Vector2& displacement )
2055 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected PanEvent" );
2057 if( NULL != mImpl->mEventData )
2059 Event event( Event::PAN_EVENT );
2060 event.p1.mInt = state;
2061 event.p2.mFloat = displacement.x;
2062 event.p3.mFloat = displacement.y;
2063 mImpl->mEventData->mEventQueue.push_back( event );
2065 mImpl->RequestRelayout();
2069 void Controller::LongPressEvent( Gesture::State state, float x, float y )
2071 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected LongPressEvent" );
2073 if( ( state == Gesture::Started ) &&
2074 ( NULL != mImpl->mEventData ) )
2076 // The 1st long-press on inactive text-field is treated as tap
2077 if( EventData::INACTIVE == mImpl->mEventData->mState )
2079 mImpl->ChangeState( EventData::EDITING );
2081 Event event( Event::TAP_EVENT );
2083 event.p2.mFloat = x;
2084 event.p3.mFloat = y;
2085 mImpl->mEventData->mEventQueue.push_back( event );
2087 mImpl->RequestRelayout();
2089 else if( !mImpl->IsShowingRealText() )
2091 Event event( Event::LONG_PRESS_EVENT );
2092 event.p1.mInt = state;
2093 event.p2.mFloat = x;
2094 event.p3.mFloat = y;
2095 mImpl->mEventData->mEventQueue.push_back( event );
2096 mImpl->RequestRelayout();
2098 else if( !mImpl->IsClipboardVisible() )
2100 // Reset the imf manager to commit the pre-edit before selecting the text.
2101 mImpl->ResetImfManager();
2103 Event event( Event::LONG_PRESS_EVENT );
2104 event.p1.mInt = state;
2105 event.p2.mFloat = x;
2106 event.p3.mFloat = y;
2107 mImpl->mEventData->mEventQueue.push_back( event );
2108 mImpl->RequestRelayout();
2110 mImpl->mEventData->mIsLeftHandleSelected = true;
2111 mImpl->mEventData->mIsRightHandleSelected = true;
2116 ImfManager::ImfCallbackData Controller::OnImfEvent( ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent )
2118 // Whether the text needs to be relaid-out.
2119 bool requestRelayout = false;
2121 // Whether to retrieve the text and cursor position to be sent to the IMF manager.
2122 bool retrieveText = false;
2123 bool retrieveCursor = false;
2125 switch( imfEvent.eventName )
2127 case ImfManager::COMMIT:
2129 InsertText( imfEvent.predictiveString, Text::Controller::COMMIT );
2130 requestRelayout = true;
2131 retrieveCursor = true;
2134 case ImfManager::PREEDIT:
2136 InsertText( imfEvent.predictiveString, Text::Controller::PRE_EDIT );
2137 requestRelayout = true;
2138 retrieveCursor = true;
2141 case ImfManager::DELETESURROUNDING:
2143 const bool textDeleted = RemoveText( imfEvent.cursorOffset,
2144 imfEvent.numberOfChars,
2145 DONT_UPDATE_INPUT_STYLE );
2149 if( ( 0u != mImpl->mModel->mLogicalModel->mText.Count() ) ||
2150 !mImpl->IsPlaceholderAvailable() )
2152 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
2156 ShowPlaceholderText();
2158 mImpl->mEventData->mUpdateCursorPosition = true;
2159 mImpl->mEventData->mScrollAfterDelete = true;
2161 requestRelayout = true;
2165 case ImfManager::GETSURROUNDING:
2167 retrieveText = true;
2168 retrieveCursor = true;
2171 case ImfManager::PRIVATECOMMAND:
2173 // PRIVATECOMMAND event is just for getting the private command message
2174 retrieveText = true;
2175 retrieveCursor = true;
2178 case ImfManager::VOID:
2185 if( requestRelayout )
2187 mImpl->mOperationsPending = ALL_OPERATIONS;
2188 mImpl->RequestRelayout();
2192 CharacterIndex cursorPosition = 0u;
2193 Length numberOfWhiteSpaces = 0u;
2195 if( retrieveCursor )
2197 numberOfWhiteSpaces = mImpl->GetNumberOfWhiteSpaces( 0u );
2199 cursorPosition = mImpl->GetLogicalCursorPosition();
2201 if( cursorPosition < numberOfWhiteSpaces )
2203 cursorPosition = 0u;
2207 cursorPosition -= numberOfWhiteSpaces;
2213 mImpl->GetText( numberOfWhiteSpaces, text );
2216 ImfManager::ImfCallbackData callbackData( ( retrieveText || retrieveCursor ), cursorPosition, text, false );
2218 if( requestRelayout &&
2219 ( NULL != mImpl->mEditableControlInterface ) )
2221 // Do this last since it provides callbacks into application code
2222 mImpl->mEditableControlInterface->TextChanged();
2225 return callbackData;
2228 void Controller::PasteClipboardItemEvent()
2230 // Retrieve the clipboard contents first
2231 ClipboardEventNotifier notifier( ClipboardEventNotifier::Get() );
2232 std::string stringToPaste( notifier.GetContent() );
2234 // Commit the current pre-edit text; the contents of the clipboard should be appended
2235 mImpl->ResetImfManager();
2237 // Temporary disable hiding clipboard
2238 mImpl->SetClipboardHideEnable( false );
2241 PasteText( stringToPaste );
2243 mImpl->SetClipboardHideEnable( true );
2246 // protected : Inherit from Text::Decorator::ControllerInterface.
2248 void Controller::GetTargetSize( Vector2& targetSize )
2250 targetSize = mImpl->mModel->mVisualModel->mControlSize;
2253 void Controller::AddDecoration( Actor& actor, bool needsClipping )
2255 if( NULL != mImpl->mEditableControlInterface )
2257 mImpl->mEditableControlInterface->AddDecoration( actor, needsClipping );
2261 void Controller::DecorationEvent( HandleType handleType, HandleState state, float x, float y )
2263 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected DecorationEvent" );
2265 if( NULL != mImpl->mEventData )
2267 switch( handleType )
2271 Event event( Event::GRAB_HANDLE_EVENT );
2272 event.p1.mUint = state;
2273 event.p2.mFloat = x;
2274 event.p3.mFloat = y;
2276 mImpl->mEventData->mEventQueue.push_back( event );
2279 case LEFT_SELECTION_HANDLE:
2281 Event event( Event::LEFT_SELECTION_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 RIGHT_SELECTION_HANDLE:
2291 Event event( Event::RIGHT_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 LEFT_SELECTION_HANDLE_MARKER:
2300 case RIGHT_SELECTION_HANDLE_MARKER:
2302 // Markers do not move the handles.
2305 case HANDLE_TYPE_COUNT:
2307 DALI_ASSERT_DEBUG( !"Controller::HandleEvent. Unexpected handle type" );
2311 mImpl->RequestRelayout();
2315 // protected : Inherit from TextSelectionPopup::TextPopupButtonCallbackInterface.
2317 void Controller::TextPopupButtonTouched( Dali::Toolkit::TextSelectionPopup::Buttons button )
2319 if( NULL == mImpl->mEventData )
2326 case Toolkit::TextSelectionPopup::CUT:
2328 mImpl->SendSelectionToClipboard( true ); // Synchronous call to modify text
2329 mImpl->mOperationsPending = ALL_OPERATIONS;
2331 if( ( 0u != mImpl->mModel->mLogicalModel->mText.Count() ) ||
2332 !mImpl->IsPlaceholderAvailable() )
2334 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
2338 ShowPlaceholderText();
2341 mImpl->mEventData->mUpdateCursorPosition = true;
2342 mImpl->mEventData->mScrollAfterDelete = true;
2344 mImpl->RequestRelayout();
2346 if( NULL != mImpl->mEditableControlInterface )
2348 mImpl->mEditableControlInterface->TextChanged();
2352 case Toolkit::TextSelectionPopup::COPY:
2354 mImpl->SendSelectionToClipboard( false ); // Text not modified
2356 mImpl->mEventData->mUpdateCursorPosition = true;
2358 mImpl->RequestRelayout(); // Cursor, Handles, Selection Highlight, Popup
2361 case Toolkit::TextSelectionPopup::PASTE:
2363 mImpl->RequestGetTextFromClipboard(); // Request clipboard service to retrieve an item
2366 case Toolkit::TextSelectionPopup::SELECT:
2368 const Vector2& currentCursorPosition = mImpl->mEventData->mDecorator->GetPosition( PRIMARY_CURSOR );
2370 if( mImpl->mEventData->mSelectionEnabled )
2372 // Creates a SELECT event.
2373 SelectEvent( currentCursorPosition.x, currentCursorPosition.y, false );
2377 case Toolkit::TextSelectionPopup::SELECT_ALL:
2379 // Creates a SELECT_ALL event
2380 SelectEvent( 0.f, 0.f, true );
2383 case Toolkit::TextSelectionPopup::CLIPBOARD:
2385 mImpl->ShowClipboard();
2388 case Toolkit::TextSelectionPopup::NONE:
2396 void Controller::DisplayTimeExpired()
2398 mImpl->mEventData->mUpdateCursorPosition = true;
2399 // Apply modifications to the model
2400 mImpl->mOperationsPending = ALL_OPERATIONS;
2402 mImpl->RequestRelayout();
2405 // private : Update.
2407 void Controller::InsertText( const std::string& text, Controller::InsertType type )
2409 bool removedPrevious = false;
2410 bool removedSelected = false;
2411 bool maxLengthReached = false;
2413 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected InsertText" )
2415 if( NULL == mImpl->mEventData )
2420 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::InsertText %p %s (%s) mPrimaryCursorPosition %d mPreEditFlag %d mPreEditStartPosition %d mPreEditLength %d\n",
2421 this, text.c_str(), (COMMIT == type ? "COMMIT" : "PRE_EDIT"),
2422 mImpl->mEventData->mPrimaryCursorPosition, mImpl->mEventData->mPreEditFlag, mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
2424 // TODO: At the moment the underline runs are only for pre-edit.
2425 mImpl->mModel->mVisualModel->mUnderlineRuns.Clear();
2427 // Remove the previous IMF pre-edit.
2428 if( mImpl->mEventData->mPreEditFlag && ( 0u != mImpl->mEventData->mPreEditLength ) )
2430 removedPrevious = RemoveText( -static_cast<int>( mImpl->mEventData->mPrimaryCursorPosition - mImpl->mEventData->mPreEditStartPosition ),
2431 mImpl->mEventData->mPreEditLength,
2432 DONT_UPDATE_INPUT_STYLE );
2434 mImpl->mEventData->mPrimaryCursorPosition = mImpl->mEventData->mPreEditStartPosition;
2435 mImpl->mEventData->mPreEditLength = 0u;
2439 // Remove the previous Selection.
2440 removedSelected = RemoveSelectedText();
2444 Vector<Character> utf32Characters;
2445 Length characterCount = 0u;
2449 // Convert text into UTF-32
2450 utf32Characters.Resize( text.size() );
2452 // This is a bit horrible but std::string returns a (signed) char*
2453 const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
2455 // Transform a text array encoded in utf8 into an array encoded in utf32.
2456 // It returns the actual number of characters.
2457 characterCount = Utf8ToUtf32( utf8, text.size(), utf32Characters.Begin() );
2458 utf32Characters.Resize( characterCount );
2460 DALI_ASSERT_DEBUG( text.size() >= utf32Characters.Count() && "Invalid UTF32 conversion length" );
2461 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "UTF8 size %d, UTF32 size %d\n", text.size(), utf32Characters.Count() );
2464 if( 0u != utf32Characters.Count() ) // Check if Utf8ToUtf32 conversion succeeded
2466 // The placeholder text is no longer needed
2467 if( mImpl->IsShowingPlaceholderText() )
2472 mImpl->ChangeState( EventData::EDITING );
2474 // Handle the IMF (predicitive text) state changes
2475 if( COMMIT == type )
2477 // IMF manager is no longer handling key-events
2478 mImpl->ClearPreEditFlag();
2482 if( !mImpl->mEventData->mPreEditFlag )
2484 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Entered PreEdit state\n" );
2486 // Record the start of the pre-edit text
2487 mImpl->mEventData->mPreEditStartPosition = mImpl->mEventData->mPrimaryCursorPosition;
2490 mImpl->mEventData->mPreEditLength = utf32Characters.Count();
2491 mImpl->mEventData->mPreEditFlag = true;
2493 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "mPreEditStartPosition %d mPreEditLength %d\n", mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
2496 const Length numberOfCharactersInModel = mImpl->mModel->mLogicalModel->mText.Count();
2498 // Restrict new text to fit within Maximum characters setting.
2499 Length maxSizeOfNewText = std::min( ( mImpl->mMaximumNumberOfCharacters - numberOfCharactersInModel ), characterCount );
2500 maxLengthReached = ( characterCount > maxSizeOfNewText );
2502 // The cursor position.
2503 CharacterIndex& cursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
2505 // Update the text's style.
2507 // Updates the text style runs by adding characters.
2508 mImpl->mModel->mLogicalModel->UpdateTextStyleRuns( cursorIndex, maxSizeOfNewText );
2510 // Get the character index from the cursor index.
2511 const CharacterIndex styleIndex = ( cursorIndex > 0u ) ? cursorIndex - 1u : 0u;
2513 // Retrieve the text's style for the given index.
2515 mImpl->RetrieveDefaultInputStyle( style );
2516 mImpl->mModel->mLogicalModel->RetrieveStyle( styleIndex, style );
2518 // Whether to add a new text color run.
2519 const bool addColorRun = ( style.textColor != mImpl->mEventData->mInputStyle.textColor );
2521 // Whether to add a new font run.
2522 const bool addFontNameRun = style.familyName != mImpl->mEventData->mInputStyle.familyName;
2523 const bool addFontWeightRun = style.weight != mImpl->mEventData->mInputStyle.weight;
2524 const bool addFontWidthRun = style.width != mImpl->mEventData->mInputStyle.width;
2525 const bool addFontSlantRun = style.slant != mImpl->mEventData->mInputStyle.slant;
2526 const bool addFontSizeRun = style.size != mImpl->mEventData->mInputStyle.size;
2531 const VectorBase::SizeType numberOfRuns = mImpl->mModel->mLogicalModel->mColorRuns.Count();
2532 mImpl->mModel->mLogicalModel->mColorRuns.Resize( numberOfRuns + 1u );
2534 ColorRun& colorRun = *( mImpl->mModel->mLogicalModel->mColorRuns.Begin() + numberOfRuns );
2535 colorRun.color = mImpl->mEventData->mInputStyle.textColor;
2536 colorRun.characterRun.characterIndex = cursorIndex;
2537 colorRun.characterRun.numberOfCharacters = maxSizeOfNewText;
2540 if( addFontNameRun ||
2546 const VectorBase::SizeType numberOfRuns = mImpl->mModel->mLogicalModel->mFontDescriptionRuns.Count();
2547 mImpl->mModel->mLogicalModel->mFontDescriptionRuns.Resize( numberOfRuns + 1u );
2549 FontDescriptionRun& fontDescriptionRun = *( mImpl->mModel->mLogicalModel->mFontDescriptionRuns.Begin() + numberOfRuns );
2551 if( addFontNameRun )
2553 fontDescriptionRun.familyLength = mImpl->mEventData->mInputStyle.familyName.size();
2554 fontDescriptionRun.familyName = new char[fontDescriptionRun.familyLength];
2555 memcpy( fontDescriptionRun.familyName, mImpl->mEventData->mInputStyle.familyName.c_str(), fontDescriptionRun.familyLength );
2556 fontDescriptionRun.familyDefined = true;
2558 // The memory allocated for the font family name is freed when the font description is removed from the logical model.
2561 if( addFontWeightRun )
2563 fontDescriptionRun.weight = mImpl->mEventData->mInputStyle.weight;
2564 fontDescriptionRun.weightDefined = true;
2567 if( addFontWidthRun )
2569 fontDescriptionRun.width = mImpl->mEventData->mInputStyle.width;
2570 fontDescriptionRun.widthDefined = true;
2573 if( addFontSlantRun )
2575 fontDescriptionRun.slant = mImpl->mEventData->mInputStyle.slant;
2576 fontDescriptionRun.slantDefined = true;
2579 if( addFontSizeRun )
2581 fontDescriptionRun.size = static_cast<PointSize26Dot6>( mImpl->mEventData->mInputStyle.size * 64.f );
2582 fontDescriptionRun.sizeDefined = true;
2585 fontDescriptionRun.characterRun.characterIndex = cursorIndex;
2586 fontDescriptionRun.characterRun.numberOfCharacters = maxSizeOfNewText;
2589 // Insert at current cursor position.
2590 Vector<Character>& modifyText = mImpl->mModel->mLogicalModel->mText;
2592 if( cursorIndex < numberOfCharactersInModel )
2594 modifyText.Insert( modifyText.Begin() + cursorIndex, utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText );
2598 modifyText.Insert( modifyText.End(), utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText );
2601 // Mark the first paragraph to be updated.
2602 mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
2603 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd += maxSizeOfNewText;
2605 // Update the cursor index.
2606 cursorIndex += maxSizeOfNewText;
2608 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 );
2611 if( ( 0u == mImpl->mModel->mLogicalModel->mText.Count() ) &&
2612 mImpl->IsPlaceholderAvailable() )
2614 // Show place-holder if empty after removing the pre-edit text
2615 ShowPlaceholderText();
2616 mImpl->mEventData->mUpdateCursorPosition = true;
2617 mImpl->ClearPreEditFlag();
2619 else if( removedPrevious ||
2621 ( 0 != utf32Characters.Count() ) )
2623 // Queue an inserted event
2624 mImpl->QueueModifyEvent( ModifyEvent::TEXT_INSERTED );
2626 mImpl->mEventData->mUpdateCursorPosition = true;
2627 if( removedSelected )
2629 mImpl->mEventData->mScrollAfterDelete = true;
2633 mImpl->mEventData->mScrollAfterUpdatePosition = true;
2637 if( maxLengthReached )
2639 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "MaxLengthReached (%d)\n", mImpl->mModel->mLogicalModel->mText.Count() );
2641 mImpl->ResetImfManager();
2643 if( NULL != mImpl->mEditableControlInterface )
2645 // Do this last since it provides callbacks into application code
2646 mImpl->mEditableControlInterface->MaxLengthReached();
2651 void Controller::PasteText( const std::string& stringToPaste )
2653 InsertText( stringToPaste, Text::Controller::COMMIT );
2654 mImpl->ChangeState( EventData::EDITING );
2655 mImpl->RequestRelayout();
2657 if( NULL != mImpl->mEditableControlInterface )
2659 // Do this last since it provides callbacks into application code
2660 mImpl->mEditableControlInterface->TextChanged();
2664 bool Controller::RemoveText( int cursorOffset,
2665 int numberOfCharacters,
2666 UpdateInputStyleType type )
2668 bool removed = false;
2670 if( NULL == mImpl->mEventData )
2675 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p mText.Count() %d cursor %d cursorOffset %d numberOfCharacters %d\n",
2676 this, mImpl->mModel->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition, cursorOffset, numberOfCharacters );
2678 if( !mImpl->IsShowingPlaceholderText() )
2680 // Delete at current cursor position
2681 Vector<Character>& currentText = mImpl->mModel->mLogicalModel->mText;
2682 CharacterIndex& oldCursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
2684 CharacterIndex cursorIndex = oldCursorIndex;
2686 // Validate the cursor position & number of characters
2687 if( static_cast< CharacterIndex >( std::abs( cursorOffset ) ) <= cursorIndex )
2689 cursorIndex = oldCursorIndex + cursorOffset;
2692 if( ( cursorIndex + numberOfCharacters ) > currentText.Count() )
2694 numberOfCharacters = currentText.Count() - cursorIndex;
2697 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.
2698 ( ( cursorIndex + numberOfCharacters ) <= mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters ) )
2700 // Mark the paragraphs to be updated.
2701 mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
2702 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove += numberOfCharacters;
2704 // Update the input style and remove the text's style before removing the text.
2706 if( UPDATE_INPUT_STYLE == type )
2708 // Keep a copy of the current input style.
2709 InputStyle currentInputStyle;
2710 currentInputStyle.Copy( mImpl->mEventData->mInputStyle );
2712 // Set first the default input style.
2713 mImpl->RetrieveDefaultInputStyle( mImpl->mEventData->mInputStyle );
2715 // Update the input style.
2716 mImpl->mModel->mLogicalModel->RetrieveStyle( cursorIndex, mImpl->mEventData->mInputStyle );
2718 // Compare if the input style has changed.
2719 const bool hasInputStyleChanged = !currentInputStyle.Equal( mImpl->mEventData->mInputStyle );
2721 if( hasInputStyleChanged )
2723 const InputStyle::Mask styleChangedMask = currentInputStyle.GetInputStyleChangeMask( mImpl->mEventData->mInputStyle );
2724 // Queue the input style changed signal.
2725 mImpl->mEventData->mInputStyleChangedQueue.PushBack( styleChangedMask );
2729 // Updates the text style runs by removing characters. Runs with no characters are removed.
2730 mImpl->mModel->mLogicalModel->UpdateTextStyleRuns( cursorIndex, -numberOfCharacters );
2732 // Remove the characters.
2733 Vector<Character>::Iterator first = currentText.Begin() + cursorIndex;
2734 Vector<Character>::Iterator last = first + numberOfCharacters;
2736 currentText.Erase( first, last );
2738 // Cursor position retreat
2739 oldCursorIndex = cursorIndex;
2741 mImpl->mEventData->mScrollAfterDelete = true;
2743 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p removed %d\n", this, numberOfCharacters );
2751 bool Controller::RemoveSelectedText()
2753 bool textRemoved( false );
2755 if( EventData::SELECTING == mImpl->mEventData->mState )
2757 std::string removedString;
2758 mImpl->RetrieveSelection( removedString, true );
2760 if( !removedString.empty() )
2763 mImpl->ChangeState( EventData::EDITING );
2770 // private : Relayout.
2772 bool Controller::DoRelayout( const Size& size,
2773 OperationsMask operationsRequired,
2776 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout %p size %f,%f\n", this, size.width, size.height );
2777 bool viewUpdated( false );
2779 // Calculate the operations to be done.
2780 const OperationsMask operations = static_cast<OperationsMask>( mImpl->mOperationsPending & operationsRequired );
2782 const CharacterIndex startIndex = mImpl->mTextUpdateInfo.mParagraphCharacterIndex;
2783 const Length requestedNumberOfCharacters = mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters;
2785 // Get the current layout size.
2786 layoutSize = mImpl->mModel->mVisualModel->GetLayoutSize();
2788 if( NO_OPERATION != ( LAYOUT & operations ) )
2790 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout LAYOUT & operations\n");
2792 // Some vectors with data needed to layout and reorder may be void
2793 // after the first time the text has been laid out.
2794 // Fill the vectors again.
2796 // Calculate the number of glyphs to layout.
2797 const Vector<GlyphIndex>& charactersToGlyph = mImpl->mModel->mVisualModel->mCharactersToGlyph;
2798 const Vector<Length>& glyphsPerCharacter = mImpl->mModel->mVisualModel->mGlyphsPerCharacter;
2799 const GlyphIndex* const charactersToGlyphBuffer = charactersToGlyph.Begin();
2800 const Length* const glyphsPerCharacterBuffer = glyphsPerCharacter.Begin();
2802 const CharacterIndex lastIndex = startIndex + ( ( requestedNumberOfCharacters > 0u ) ? requestedNumberOfCharacters - 1u : 0u );
2803 const GlyphIndex startGlyphIndex = mImpl->mTextUpdateInfo.mStartGlyphIndex;
2804 const Length numberOfGlyphs = ( requestedNumberOfCharacters > 0u ) ? *( charactersToGlyphBuffer + lastIndex ) + *( glyphsPerCharacterBuffer + lastIndex ) - startGlyphIndex : 0u;
2805 const Length totalNumberOfGlyphs = mImpl->mModel->mVisualModel->mGlyphs.Count();
2807 if( 0u == totalNumberOfGlyphs )
2809 if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) )
2811 mImpl->mModel->mVisualModel->SetLayoutSize( Size::ZERO );
2814 // Nothing else to do if there is no glyphs.
2815 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout no glyphs, view updated true\n" );
2819 const Vector<LineBreakInfo>& lineBreakInfo = mImpl->mModel->mLogicalModel->mLineBreakInfo;
2820 const Vector<WordBreakInfo>& wordBreakInfo = mImpl->mModel->mLogicalModel->mWordBreakInfo;
2821 const Vector<CharacterDirection>& characterDirection = mImpl->mModel->mLogicalModel->mCharacterDirections;
2822 const Vector<GlyphInfo>& glyphs = mImpl->mModel->mVisualModel->mGlyphs;
2823 const Vector<CharacterIndex>& glyphsToCharactersMap = mImpl->mModel->mVisualModel->mGlyphsToCharacters;
2824 const Vector<Length>& charactersPerGlyph = mImpl->mModel->mVisualModel->mCharactersPerGlyph;
2825 const Character* const textBuffer = mImpl->mModel->mLogicalModel->mText.Begin();
2827 // Set the layout parameters.
2828 Layout::Parameters layoutParameters( size,
2830 lineBreakInfo.Begin(),
2831 wordBreakInfo.Begin(),
2832 ( 0u != characterDirection.Count() ) ? characterDirection.Begin() : NULL,
2834 glyphsToCharactersMap.Begin(),
2835 charactersPerGlyph.Begin(),
2836 charactersToGlyphBuffer,
2837 glyphsPerCharacterBuffer,
2838 totalNumberOfGlyphs,
2839 mImpl->mModel->mHorizontalAlignment );
2841 // Resize the vector of positions to have the same size than the vector of glyphs.
2842 Vector<Vector2>& glyphPositions = mImpl->mModel->mVisualModel->mGlyphPositions;
2843 glyphPositions.Resize( totalNumberOfGlyphs );
2845 // Whether the last character is a new paragraph character.
2846 mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph = TextAbstraction::IsNewParagraph( *( textBuffer + ( mImpl->mModel->mLogicalModel->mText.Count() - 1u ) ) );
2847 layoutParameters.isLastNewParagraph = mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph;
2849 // The initial glyph and the number of glyphs to layout.
2850 layoutParameters.startGlyphIndex = startGlyphIndex;
2851 layoutParameters.numberOfGlyphs = numberOfGlyphs;
2852 layoutParameters.startLineIndex = mImpl->mTextUpdateInfo.mStartLineIndex;
2853 layoutParameters.estimatedNumberOfLines = mImpl->mTextUpdateInfo.mEstimatedNumberOfLines;
2855 // Update the visual model.
2857 viewUpdated = mImpl->mLayoutEngine.LayoutText( layoutParameters,
2859 mImpl->mModel->mVisualModel->mLines,
2861 mImpl->mModel->mElideEnabled );
2863 viewUpdated = viewUpdated || ( newLayoutSize != layoutSize );
2867 layoutSize = newLayoutSize;
2869 if( NO_OPERATION != ( UPDATE_DIRECTION & operations ) )
2871 mImpl->mAutoScrollDirectionRTL = false;
2874 // Reorder the lines
2875 if( NO_OPERATION != ( REORDER & operations ) )
2877 Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo = mImpl->mModel->mLogicalModel->mBidirectionalParagraphInfo;
2878 Vector<BidirectionalLineInfoRun>& bidirectionalLineInfo = mImpl->mModel->mLogicalModel->mBidirectionalLineInfo;
2880 // Check first if there are paragraphs with bidirectional info.
2881 if( 0u != bidirectionalInfo.Count() )
2884 const Length numberOfLines = mImpl->mModel->mVisualModel->mLines.Count();
2886 // Reorder the lines.
2887 bidirectionalLineInfo.Reserve( numberOfLines ); // Reserve because is not known yet how many lines have right to left characters.
2888 ReorderLines( bidirectionalInfo,
2890 requestedNumberOfCharacters,
2891 mImpl->mModel->mVisualModel->mLines,
2892 bidirectionalLineInfo );
2894 // Set the bidirectional info per line into the layout parameters.
2895 layoutParameters.lineBidirectionalInfoRunsBuffer = bidirectionalLineInfo.Begin();
2896 layoutParameters.numberOfBidirectionalInfoRuns = bidirectionalLineInfo.Count();
2898 // Re-layout the text. Reorder those lines with right to left characters.
2899 mImpl->mLayoutEngine.ReLayoutRightToLeftLines( layoutParameters,
2901 requestedNumberOfCharacters,
2904 if ( ( NO_OPERATION != ( UPDATE_DIRECTION & operations ) ) && ( numberOfLines > 0 ) )
2906 const LineRun* const firstline = mImpl->mModel->mVisualModel->mLines.Begin();
2909 mImpl->mAutoScrollDirectionRTL = firstline->direction;
2915 // Sets the layout size.
2916 if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) )
2918 mImpl->mModel->mVisualModel->SetLayoutSize( layoutSize );
2923 if( NO_OPERATION != ( ALIGN & operations ) )
2925 // The laid-out lines.
2926 Vector<LineRun>& lines = mImpl->mModel->mVisualModel->mLines;
2928 // Need to align with the control's size as the text may contain lines
2929 // starting either with left to right text or right to left.
2930 mImpl->mLayoutEngine.Align( size,
2932 requestedNumberOfCharacters,
2933 mImpl->mModel->mHorizontalAlignment,
2935 mImpl->mModel->mAlignmentOffset );
2939 #if defined(DEBUG_ENABLED)
2940 std::string currentText;
2941 GetText( currentText );
2942 DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::DoRelayout [%p] mImpl->mAutoScrollDirectionRTL[%s] [%s]\n", this, (mImpl->mAutoScrollDirectionRTL)?"true":"false", currentText.c_str() );
2944 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout, view updated %s\n", ( viewUpdated ? "true" : "false" ) );
2948 void Controller::CalculateVerticalOffset( const Size& controlSize )
2950 Size layoutSize = mImpl->mModel->mVisualModel->GetLayoutSize();
2952 if( fabsf( layoutSize.height ) < Math::MACHINE_EPSILON_1000 )
2954 // Get the line height of the default font.
2955 layoutSize.height = mImpl->GetDefaultFontLineHeight();
2958 switch( mImpl->mModel->mVerticalAlignment )
2960 case Layout::VERTICAL_ALIGN_TOP:
2962 mImpl->mModel->mScrollPosition.y = 0.f;
2965 case Layout::VERTICAL_ALIGN_CENTER:
2967 mImpl->mModel->mScrollPosition.y = floorf( 0.5f * ( controlSize.height - layoutSize.height ) ); // try to avoid pixel alignment.
2970 case Layout::VERTICAL_ALIGN_BOTTOM:
2972 mImpl->mModel->mScrollPosition.y = controlSize.height - layoutSize.height;
2978 // private : Events.
2980 void Controller::ProcessModifyEvents()
2982 Vector<ModifyEvent>& events = mImpl->mModifyEvents;
2984 if( 0u == events.Count() )
2990 for( Vector<ModifyEvent>::ConstIterator it = events.Begin(),
2991 endIt = events.End();
2995 const ModifyEvent& event = *it;
2997 if( ModifyEvent::TEXT_REPLACED == event.type )
2999 // A (single) replace event should come first, otherwise we wasted time processing NOOP events
3000 DALI_ASSERT_DEBUG( it == events.Begin() && "Unexpected TEXT_REPLACED event" );
3002 TextReplacedEvent();
3004 else if( ModifyEvent::TEXT_INSERTED == event.type )
3006 TextInsertedEvent();
3008 else if( ModifyEvent::TEXT_DELETED == event.type )
3010 // Placeholder-text cannot be deleted
3011 if( !mImpl->IsShowingPlaceholderText() )
3018 if( NULL != mImpl->mEventData )
3020 // When the text is being modified, delay cursor blinking
3021 mImpl->mEventData->mDecorator->DelayCursorBlink();
3024 // Discard temporary text
3028 void Controller::TextReplacedEvent()
3030 // The natural size needs to be re-calculated.
3031 mImpl->mRecalculateNaturalSize = true;
3033 // Apply modifications to the model
3034 mImpl->mOperationsPending = ALL_OPERATIONS;
3037 void Controller::TextInsertedEvent()
3039 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextInsertedEvent" );
3041 if( NULL == mImpl->mEventData )
3046 mImpl->mEventData->mCheckScrollAmount = true;
3048 // The natural size needs to be re-calculated.
3049 mImpl->mRecalculateNaturalSize = true;
3051 // Apply modifications to the model; TODO - Optimize this
3052 mImpl->mOperationsPending = ALL_OPERATIONS;
3055 void Controller::TextDeletedEvent()
3057 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextDeletedEvent" );
3059 if( NULL == mImpl->mEventData )
3064 mImpl->mEventData->mCheckScrollAmount = true;
3066 // The natural size needs to be re-calculated.
3067 mImpl->mRecalculateNaturalSize = true;
3069 // Apply modifications to the model; TODO - Optimize this
3070 mImpl->mOperationsPending = ALL_OPERATIONS;
3073 void Controller::SelectEvent( float x, float y, bool selectAll )
3075 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SelectEvent\n" );
3077 if( NULL != mImpl->mEventData )
3081 Event event( Event::SELECT_ALL );
3082 mImpl->mEventData->mEventQueue.push_back( event );
3086 Event event( Event::SELECT );
3087 event.p2.mFloat = x;
3088 event.p3.mFloat = y;
3089 mImpl->mEventData->mEventQueue.push_back( event );
3092 mImpl->mEventData->mCheckScrollAmount = true;
3093 mImpl->mEventData->mIsLeftHandleSelected = true;
3094 mImpl->mEventData->mIsRightHandleSelected = true;
3095 mImpl->RequestRelayout();
3099 bool Controller::BackspaceKeyEvent()
3101 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p DALI_KEY_BACKSPACE\n", this );
3103 bool removed = false;
3105 if( NULL == mImpl->mEventData )
3110 // IMF manager is no longer handling key-events
3111 mImpl->ClearPreEditFlag();
3113 if( EventData::SELECTING == mImpl->mEventData->mState )
3115 removed = RemoveSelectedText();
3117 else if( mImpl->mEventData->mPrimaryCursorPosition > 0 )
3119 // Remove the character before the current cursor position
3120 removed = RemoveText( -1,
3122 UPDATE_INPUT_STYLE );
3127 if( ( 0u != mImpl->mModel->mLogicalModel->mText.Count() ) ||
3128 !mImpl->IsPlaceholderAvailable() )
3130 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
3134 ShowPlaceholderText();
3136 mImpl->mEventData->mUpdateCursorPosition = true;
3137 mImpl->mEventData->mScrollAfterDelete = true;
3143 // private : Helpers.
3145 void Controller::ResetText()
3148 mImpl->mModel->mLogicalModel->mText.Clear();
3150 // We have cleared everything including the placeholder-text
3151 mImpl->PlaceholderCleared();
3153 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
3154 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
3155 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = 0u;
3157 // Clear any previous text.
3158 mImpl->mTextUpdateInfo.mClearAll = true;
3160 // The natural size needs to be re-calculated.
3161 mImpl->mRecalculateNaturalSize = true;
3163 // Apply modifications to the model
3164 mImpl->mOperationsPending = ALL_OPERATIONS;
3167 void Controller::ShowPlaceholderText()
3169 if( mImpl->IsPlaceholderAvailable() )
3171 DALI_ASSERT_DEBUG( mImpl->mEventData && "No placeholder text available" );
3173 if( NULL == mImpl->mEventData )
3178 mImpl->mEventData->mIsShowingPlaceholderText = true;
3180 // Disable handles when showing place-holder text
3181 mImpl->mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
3182 mImpl->mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
3183 mImpl->mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
3185 const char* text( NULL );
3188 // TODO - Switch placeholder text styles when changing state
3189 if( ( EventData::INACTIVE != mImpl->mEventData->mState ) &&
3190 ( 0u != mImpl->mEventData->mPlaceholderTextActive.c_str() ) )
3192 text = mImpl->mEventData->mPlaceholderTextActive.c_str();
3193 size = mImpl->mEventData->mPlaceholderTextActive.size();
3197 text = mImpl->mEventData->mPlaceholderTextInactive.c_str();
3198 size = mImpl->mEventData->mPlaceholderTextInactive.size();
3201 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
3202 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
3204 // Reset model for showing placeholder.
3205 mImpl->mModel->mLogicalModel->mText.Clear();
3206 mImpl->mModel->mVisualModel->SetTextColor( mImpl->mEventData->mPlaceholderTextColor );
3208 // Convert text into UTF-32
3209 Vector<Character>& utf32Characters = mImpl->mModel->mLogicalModel->mText;
3210 utf32Characters.Resize( size );
3212 // This is a bit horrible but std::string returns a (signed) char*
3213 const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text );
3215 // Transform a text array encoded in utf8 into an array encoded in utf32.
3216 // It returns the actual number of characters.
3217 const Length characterCount = Utf8ToUtf32( utf8, size, utf32Characters.Begin() );
3218 utf32Characters.Resize( characterCount );
3220 // The characters to be added.
3221 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = characterCount;
3223 // Reset the cursor position
3224 mImpl->mEventData->mPrimaryCursorPosition = 0;
3226 // The natural size needs to be re-calculated.
3227 mImpl->mRecalculateNaturalSize = true;
3229 // Apply modifications to the model
3230 mImpl->mOperationsPending = ALL_OPERATIONS;
3232 // Update the rest of the model during size negotiation
3233 mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED );
3237 void Controller::ClearFontData()
3239 if( mImpl->mFontDefaults )
3241 mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
3244 // Set flags to update the model.
3245 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
3246 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
3247 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mModel->mLogicalModel->mText.Count();
3249 mImpl->mTextUpdateInfo.mClearAll = true;
3250 mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true;
3251 mImpl->mRecalculateNaturalSize = true;
3253 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
3258 UPDATE_LAYOUT_SIZE |
3263 void Controller::ClearStyleData()
3265 mImpl->mModel->mLogicalModel->mColorRuns.Clear();
3266 mImpl->mModel->mLogicalModel->ClearFontDescriptionRuns();
3269 void Controller::ResetCursorPosition( CharacterIndex cursorIndex )
3271 // Reset the cursor position
3272 if( NULL != mImpl->mEventData )
3274 mImpl->mEventData->mPrimaryCursorPosition = cursorIndex;
3276 // Update the cursor if it's in editing mode.
3277 if( EventData::IsEditingState( mImpl->mEventData->mState ) )
3279 mImpl->mEventData->mUpdateCursorPosition = true;
3284 void Controller::ResetScrollPosition()
3286 if( NULL != mImpl->mEventData )
3288 // Reset the scroll position.
3289 mImpl->mModel->mScrollPosition = Vector2::ZERO;
3290 mImpl->mEventData->mScrollAfterUpdatePosition = true;
3294 // private : Private contructors & copy operator.
3296 Controller::Controller()
3299 mImpl = new Controller::Impl( NULL, NULL );
3302 Controller::Controller( ControlInterface* controlInterface )
3304 mImpl = new Controller::Impl( controlInterface, NULL );
3307 Controller::Controller( ControlInterface* controlInterface,
3308 EditableControlInterface* editableControlInterface )
3310 mImpl = new Controller::Impl( controlInterface,
3311 editableControlInterface );
3314 // The copy constructor and operator are left unimplemented.
3316 // protected : Destructor.
3318 Controller::~Controller()
3325 } // namespace Toolkit