2 * Copyright (c) 2016 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>
29 #include <dali-toolkit/internal/text/bidirectional-support.h>
30 #include <dali-toolkit/internal/text/character-set-conversion.h>
31 #include <dali-toolkit/internal/text/layouts/layout-parameters.h>
32 #include <dali-toolkit/internal/text/markup-processor.h>
33 #include <dali-toolkit/internal/text/text-controller-impl.h>
34 #include <dali-toolkit/internal/text/text-editable-control-interface.h>
39 #if defined(DEBUG_ENABLED)
40 Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
43 const float MAX_FLOAT = std::numeric_limits<float>::max();
45 const std::string EMPTY_STRING("");
47 float ConvertToEven( float value )
49 int intValue(static_cast<int>( value ));
50 return static_cast<float>(intValue % 2 == 0) ? intValue : (intValue + 1);
65 * @brief Adds a new font description run for the selected text.
67 * The new font parameters are added after the call to this method.
69 * @param[in] eventData The event data pointer.
70 * @param[in] logicalModel The logical model where to add the new font description run.
71 * @param[out] startOfSelectedText Index to the first selected character.
72 * @param[out] lengthOfSelectedText Number of selected characters.
74 FontDescriptionRun& UpdateSelectionFontStyleRun( EventData* eventData,
75 LogicalModelPtr logicalModel,
76 CharacterIndex& startOfSelectedText,
77 Length& lengthOfSelectedText )
79 const bool handlesCrossed = eventData->mLeftSelectionPosition > eventData->mRightSelectionPosition;
81 // Get start and end position of selection
82 startOfSelectedText = handlesCrossed ? eventData->mRightSelectionPosition : eventData->mLeftSelectionPosition;
83 lengthOfSelectedText = ( handlesCrossed ? eventData->mLeftSelectionPosition : eventData->mRightSelectionPosition ) - startOfSelectedText;
86 const VectorBase::SizeType numberOfRuns = logicalModel->mFontDescriptionRuns.Count();
87 logicalModel->mFontDescriptionRuns.Resize( numberOfRuns + 1u );
89 FontDescriptionRun& fontDescriptionRun = *( logicalModel->mFontDescriptionRuns.Begin() + numberOfRuns );
91 fontDescriptionRun.characterRun.characterIndex = startOfSelectedText;
92 fontDescriptionRun.characterRun.numberOfCharacters = lengthOfSelectedText;
94 // Recalculate the selection highlight as the metrics may have changed.
95 eventData->mUpdateLeftSelectionPosition = true;
96 eventData->mUpdateRightSelectionPosition = true;
97 eventData->mUpdateHighlightBox = true;
99 return fontDescriptionRun;
102 // public : Constructor.
104 ControllerPtr Controller::New()
106 return ControllerPtr( new Controller() );
109 ControllerPtr Controller::New( ControlInterface* controlInterface )
111 return ControllerPtr( new Controller( controlInterface ) );
114 ControllerPtr Controller::New( ControlInterface* controlInterface,
115 EditableControlInterface* editableControlInterface )
117 return ControllerPtr( new Controller( controlInterface,
118 editableControlInterface ) );
121 // public : Configure the text controller.
123 void Controller::EnableTextInput( DecoratorPtr decorator )
127 delete mImpl->mEventData;
128 mImpl->mEventData = NULL;
130 // Nothing else to do.
134 if( NULL == mImpl->mEventData )
136 mImpl->mEventData = new EventData( decorator );
140 void Controller::SetGlyphType( TextAbstraction::GlyphType glyphType )
142 // Metrics for bitmap & vector based glyphs are different
143 mImpl->mMetrics->SetGlyphType( glyphType );
145 // Clear the font-specific data
148 mImpl->RequestRelayout();
151 void Controller::SetMarkupProcessorEnabled( bool enable )
153 mImpl->mMarkupProcessorEnabled = enable;
156 bool Controller::IsMarkupProcessorEnabled() const
158 return mImpl->mMarkupProcessorEnabled;
161 void Controller::SetAutoScrollEnabled( bool enable )
163 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 );
165 if( mImpl->mLayoutEngine.GetLayout() == Layout::Engine::SINGLE_LINE_BOX )
169 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled for SINGLE_LINE_BOX\n" );
170 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
180 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled Disabling autoscroll\n");
181 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
188 mImpl->mIsAutoScrollEnabled = enable;
189 mImpl->RequestRelayout();
193 DALI_LOG_WARNING( "Attempted AutoScrolling on a non SINGLE_LINE_BOX, request ignored\n" );
194 mImpl->mIsAutoScrollEnabled = false;
198 bool Controller::IsAutoScrollEnabled() const
200 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::IsAutoScrollEnabled[%s]\n", mImpl->mIsAutoScrollEnabled?"true":"false" );
202 return mImpl->mIsAutoScrollEnabled;
205 CharacterDirection Controller::GetAutoScrollDirection() const
207 return mImpl->mAutoScrollDirectionRTL;
210 float Controller::GetAutoScrollLineAlignment() const
214 if( mImpl->mModel->mVisualModel &&
215 ( 0u != mImpl->mModel->mVisualModel->mLines.Count() ) )
217 offset = ( *mImpl->mModel->mVisualModel->mLines.Begin() ).alignmentOffset;
223 void Controller::SetHorizontalScrollEnabled( bool enable )
225 if( ( NULL != mImpl->mEventData ) &&
226 mImpl->mEventData->mDecorator )
228 mImpl->mEventData->mDecorator->SetHorizontalScrollEnabled( enable );
231 bool Controller::IsHorizontalScrollEnabled() const
233 if( ( NULL != mImpl->mEventData ) &&
234 mImpl->mEventData->mDecorator )
236 return mImpl->mEventData->mDecorator->IsHorizontalScrollEnabled();
242 void Controller::SetVerticalScrollEnabled( bool enable )
244 if( ( NULL != mImpl->mEventData ) &&
245 mImpl->mEventData->mDecorator )
247 if( mImpl->mEventData->mDecorator )
249 mImpl->mEventData->mDecorator->SetVerticalScrollEnabled( enable );
254 bool Controller::IsVerticalScrollEnabled() const
256 if( ( NULL != mImpl->mEventData ) &&
257 mImpl->mEventData->mDecorator )
259 return mImpl->mEventData->mDecorator->IsVerticalScrollEnabled();
265 void Controller::SetSmoothHandlePanEnabled( bool enable )
267 if( ( NULL != mImpl->mEventData ) &&
268 mImpl->mEventData->mDecorator )
270 mImpl->mEventData->mDecorator->SetSmoothHandlePanEnabled( enable );
274 bool Controller::IsSmoothHandlePanEnabled() const
276 if( ( NULL != mImpl->mEventData ) &&
277 mImpl->mEventData->mDecorator )
279 return mImpl->mEventData->mDecorator->IsSmoothHandlePanEnabled();
285 void Controller::SetMaximumNumberOfCharacters( Length maxCharacters )
287 mImpl->mMaximumNumberOfCharacters = maxCharacters;
290 int Controller::GetMaximumNumberOfCharacters()
292 return mImpl->mMaximumNumberOfCharacters;
295 void Controller::SetEnableCursorBlink( bool enable )
297 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "TextInput disabled" );
299 if( NULL != mImpl->mEventData )
301 mImpl->mEventData->mCursorBlinkEnabled = enable;
304 mImpl->mEventData->mDecorator )
306 mImpl->mEventData->mDecorator->StopCursorBlink();
311 bool Controller::GetEnableCursorBlink() const
313 if( NULL != mImpl->mEventData )
315 return mImpl->mEventData->mCursorBlinkEnabled;
321 void Controller::SetMultiLineEnabled( bool enable )
323 const Layout::Engine::Type layout = enable ? Layout::Engine::MULTI_LINE_BOX : Layout::Engine::SINGLE_LINE_BOX;
325 if( layout != mImpl->mLayoutEngine.GetLayout() )
327 // Set the layout type.
328 mImpl->mLayoutEngine.SetLayout( layout );
330 // Set the flags to redo the layout operations
331 const OperationsMask layoutOperations = static_cast<OperationsMask>( LAYOUT |
336 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | layoutOperations );
338 mImpl->RequestRelayout();
342 bool Controller::IsMultiLineEnabled() const
344 return Layout::Engine::MULTI_LINE_BOX == mImpl->mLayoutEngine.GetLayout();
347 void Controller::SetHorizontalAlignment( Layout::HorizontalAlignment alignment )
349 if( alignment != mImpl->mModel->mHorizontalAlignment )
351 // Set the alignment.
352 mImpl->mModel->mHorizontalAlignment = alignment;
354 // Set the flag to redo the alignment operation.
355 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | ALIGN );
357 mImpl->RequestRelayout();
361 Layout::HorizontalAlignment Controller::GetHorizontalAlignment() const
363 return mImpl->mModel->mHorizontalAlignment;
366 void Controller::SetVerticalAlignment( Layout::VerticalAlignment alignment )
368 if( alignment != mImpl->mModel->mVerticalAlignment )
370 // Set the alignment.
371 mImpl->mModel->mVerticalAlignment = alignment;
373 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | ALIGN );
375 mImpl->RequestRelayout();
379 Layout::VerticalAlignment Controller::GetVerticalAlignment() const
381 return mImpl->mModel->mVerticalAlignment;
384 void Controller::SetTextElideEnabled( bool enabled )
386 mImpl->mModel->mElideEnabled = enabled;
389 bool Controller::IsTextElideEnabled() const
391 return mImpl->mModel->mElideEnabled;
396 void Controller::SetText( const std::string& text )
398 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SetText\n" );
400 // Reset keyboard as text changed
401 mImpl->ResetImfManager();
403 // Remove the previously set text and style.
409 CharacterIndex lastCursorIndex = 0u;
411 if( NULL != mImpl->mEventData )
413 // If popup shown then hide it by switching to Editing state
414 if( ( EventData::SELECTING == mImpl->mEventData->mState ) ||
415 ( EventData::EDITING_WITH_POPUP == mImpl->mEventData->mState ) ||
416 ( EventData::EDITING_WITH_GRAB_HANDLE == mImpl->mEventData->mState ) ||
417 ( EventData::EDITING_WITH_PASTE_POPUP == mImpl->mEventData->mState ) )
419 mImpl->ChangeState( EventData::EDITING );
425 mImpl->mModel->mVisualModel->SetTextColor( mImpl->mTextColor );
427 MarkupProcessData markupProcessData( mImpl->mModel->mLogicalModel->mColorRuns,
428 mImpl->mModel->mLogicalModel->mFontDescriptionRuns );
430 Length textSize = 0u;
431 const uint8_t* utf8 = NULL;
432 if( mImpl->mMarkupProcessorEnabled )
434 ProcessMarkupString( text, markupProcessData );
435 textSize = markupProcessData.markupProcessedText.size();
437 // This is a bit horrible but std::string returns a (signed) char*
438 utf8 = reinterpret_cast<const uint8_t*>( markupProcessData.markupProcessedText.c_str() );
442 textSize = text.size();
444 // This is a bit horrible but std::string returns a (signed) char*
445 utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
448 // Convert text into UTF-32
449 Vector<Character>& utf32Characters = mImpl->mModel->mLogicalModel->mText;
450 utf32Characters.Resize( textSize );
452 // Transform a text array encoded in utf8 into an array encoded in utf32.
453 // It returns the actual number of characters.
454 Length characterCount = Utf8ToUtf32( utf8, textSize, utf32Characters.Begin() );
455 utf32Characters.Resize( characterCount );
457 DALI_ASSERT_DEBUG( textSize >= characterCount && "Invalid UTF32 conversion length" );
458 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SetText %p UTF8 size %d, UTF32 size %d\n", this, textSize, mImpl->mModel->mLogicalModel->mText.Count() );
460 // The characters to be added.
461 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mModel->mLogicalModel->mText.Count();
463 // To reset the cursor position
464 lastCursorIndex = characterCount;
466 // Update the rest of the model during size negotiation
467 mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED );
469 // The natural size needs to be re-calculated.
470 mImpl->mRecalculateNaturalSize = true;
472 // Apply modifications to the model
473 mImpl->mOperationsPending = ALL_OPERATIONS;
477 ShowPlaceholderText();
480 // Resets the cursor position.
481 ResetCursorPosition( lastCursorIndex );
483 // Scrolls the text to make the cursor visible.
484 ResetScrollPosition();
486 mImpl->RequestRelayout();
488 if( NULL != mImpl->mEventData )
490 // Cancel previously queued events
491 mImpl->mEventData->mEventQueue.clear();
494 // Do this last since it provides callbacks into application code.
495 if( NULL != mImpl->mEditableControlInterface )
497 mImpl->mEditableControlInterface->TextChanged();
501 void Controller::GetText( std::string& text ) const
503 if( !mImpl->IsShowingPlaceholderText() )
505 // Retrieves the text string.
506 mImpl->GetText( 0u, text );
510 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::GetText %p empty (but showing placeholder)\n", this );
514 void Controller::SetPlaceholderText( PlaceholderType type, const std::string& text )
516 if( NULL != mImpl->mEventData )
518 if( PLACEHOLDER_TYPE_INACTIVE == type )
520 mImpl->mEventData->mPlaceholderTextInactive = text;
524 mImpl->mEventData->mPlaceholderTextActive = text;
527 // Update placeholder if there is no text
528 if( mImpl->IsShowingPlaceholderText() ||
529 ( 0u == mImpl->mModel->mLogicalModel->mText.Count() ) )
531 ShowPlaceholderText();
536 void Controller::GetPlaceholderText( PlaceholderType type, std::string& text ) const
538 if( NULL != mImpl->mEventData )
540 if( PLACEHOLDER_TYPE_INACTIVE == type )
542 text = mImpl->mEventData->mPlaceholderTextInactive;
546 text = mImpl->mEventData->mPlaceholderTextActive;
551 void Controller::UpdateAfterFontChange( const std::string& newDefaultFont )
553 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::UpdateAfterFontChange\n");
555 if( !mImpl->mFontDefaults->familyDefined ) // If user defined font then should not update when system font changes
557 DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::UpdateAfterFontChange newDefaultFont(%s)\n", newDefaultFont.c_str() );
558 mImpl->mFontDefaults->mFontDescription.family = newDefaultFont;
562 mImpl->RequestRelayout();
566 // public : Default style & Input style
568 void Controller::SetDefaultFontFamily( const std::string& defaultFontFamily )
570 if( NULL == mImpl->mFontDefaults )
572 mImpl->mFontDefaults = new FontDefaults();
575 mImpl->mFontDefaults->mFontDescription.family = defaultFontFamily;
576 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetDefaultFontFamily %s\n", defaultFontFamily.c_str());
577 mImpl->mFontDefaults->familyDefined = !defaultFontFamily.empty();
579 // Clear the font-specific data
582 mImpl->RequestRelayout();
585 const std::string& Controller::GetDefaultFontFamily() const
587 if( NULL != mImpl->mFontDefaults )
589 return mImpl->mFontDefaults->mFontDescription.family;
595 void Controller::SetDefaultFontWeight( FontWeight weight )
597 if( NULL == mImpl->mFontDefaults )
599 mImpl->mFontDefaults = new FontDefaults();
602 mImpl->mFontDefaults->mFontDescription.weight = weight;
603 mImpl->mFontDefaults->weightDefined = true;
605 // Clear the font-specific data
608 mImpl->RequestRelayout();
611 bool Controller::IsDefaultFontWeightDefined() const
613 return mImpl->mFontDefaults->weightDefined;
616 FontWeight Controller::GetDefaultFontWeight() const
618 if( NULL != mImpl->mFontDefaults )
620 return mImpl->mFontDefaults->mFontDescription.weight;
623 return TextAbstraction::FontWeight::NORMAL;
626 void Controller::SetDefaultFontWidth( FontWidth width )
628 if( NULL == mImpl->mFontDefaults )
630 mImpl->mFontDefaults = new FontDefaults();
633 mImpl->mFontDefaults->mFontDescription.width = width;
634 mImpl->mFontDefaults->widthDefined = true;
636 // Clear the font-specific data
639 mImpl->RequestRelayout();
642 bool Controller::IsDefaultFontWidthDefined() const
644 return mImpl->mFontDefaults->widthDefined;
647 FontWidth Controller::GetDefaultFontWidth() const
649 if( NULL != mImpl->mFontDefaults )
651 return mImpl->mFontDefaults->mFontDescription.width;
654 return TextAbstraction::FontWidth::NORMAL;
657 void Controller::SetDefaultFontSlant( FontSlant slant )
659 if( NULL == mImpl->mFontDefaults )
661 mImpl->mFontDefaults = new FontDefaults();
664 mImpl->mFontDefaults->mFontDescription.slant = slant;
665 mImpl->mFontDefaults->slantDefined = true;
667 // Clear the font-specific data
670 mImpl->RequestRelayout();
673 bool Controller::IsDefaultFontSlantDefined() const
675 return mImpl->mFontDefaults->slantDefined;
678 FontSlant Controller::GetDefaultFontSlant() const
680 if( NULL != mImpl->mFontDefaults )
682 return mImpl->mFontDefaults->mFontDescription.slant;
685 return TextAbstraction::FontSlant::NORMAL;
688 void Controller::SetDefaultPointSize( float pointSize )
690 if( NULL == mImpl->mFontDefaults )
692 mImpl->mFontDefaults = new FontDefaults();
695 mImpl->mFontDefaults->mDefaultPointSize = pointSize;
696 mImpl->mFontDefaults->sizeDefined = true;
698 // Clear the font-specific data
701 mImpl->RequestRelayout();
704 float Controller::GetDefaultPointSize() const
706 if( NULL != mImpl->mFontDefaults )
708 return mImpl->mFontDefaults->mDefaultPointSize;
714 void Controller::SetDefaultColor( const Vector4& color )
716 mImpl->mTextColor = color;
718 if( !mImpl->IsShowingPlaceholderText() )
720 mImpl->mModel->mVisualModel->SetTextColor( color );
722 mImpl->RequestRelayout();
726 const Vector4& Controller::GetDefaultColor() const
728 return mImpl->mTextColor;
731 void Controller::SetPlaceholderTextColor( const Vector4& textColor )
733 if( NULL != mImpl->mEventData )
735 mImpl->mEventData->mPlaceholderTextColor = textColor;
738 if( mImpl->IsShowingPlaceholderText() )
740 mImpl->mModel->mVisualModel->SetTextColor( textColor );
741 mImpl->RequestRelayout();
745 const Vector4& Controller::GetPlaceholderTextColor() const
747 if( NULL != mImpl->mEventData )
749 return mImpl->mEventData->mPlaceholderTextColor;
755 void Controller::SetShadowOffset( const Vector2& shadowOffset )
757 mImpl->mModel->mVisualModel->SetShadowOffset( shadowOffset );
759 mImpl->RequestRelayout();
762 const Vector2& Controller::GetShadowOffset() const
764 return mImpl->mModel->mVisualModel->GetShadowOffset();
767 void Controller::SetShadowColor( const Vector4& shadowColor )
769 mImpl->mModel->mVisualModel->SetShadowColor( shadowColor );
771 mImpl->RequestRelayout();
774 const Vector4& Controller::GetShadowColor() const
776 return mImpl->mModel->mVisualModel->GetShadowColor();
779 void Controller::SetUnderlineColor( const Vector4& color )
781 mImpl->mModel->mVisualModel->SetUnderlineColor( color );
783 mImpl->RequestRelayout();
786 const Vector4& Controller::GetUnderlineColor() const
788 return mImpl->mModel->mVisualModel->GetUnderlineColor();
791 void Controller::SetUnderlineEnabled( bool enabled )
793 mImpl->mModel->mVisualModel->SetUnderlineEnabled( enabled );
795 mImpl->RequestRelayout();
798 bool Controller::IsUnderlineEnabled() const
800 return mImpl->mModel->mVisualModel->IsUnderlineEnabled();
803 void Controller::SetUnderlineHeight( float height )
805 mImpl->mModel->mVisualModel->SetUnderlineHeight( height );
807 mImpl->RequestRelayout();
810 float Controller::GetUnderlineHeight() const
812 return mImpl->mModel->mVisualModel->GetUnderlineHeight();
815 void Controller::SetDefaultEmbossProperties( const std::string& embossProperties )
817 if( NULL == mImpl->mEmbossDefaults )
819 mImpl->mEmbossDefaults = new EmbossDefaults();
822 mImpl->mEmbossDefaults->properties = embossProperties;
825 const std::string& Controller::GetDefaultEmbossProperties() const
827 if( NULL != mImpl->mEmbossDefaults )
829 return mImpl->mEmbossDefaults->properties;
835 void Controller::SetDefaultOutlineProperties( const std::string& outlineProperties )
837 if( NULL == mImpl->mOutlineDefaults )
839 mImpl->mOutlineDefaults = new OutlineDefaults();
842 mImpl->mOutlineDefaults->properties = outlineProperties;
845 const std::string& Controller::GetDefaultOutlineProperties() const
847 if( NULL != mImpl->mOutlineDefaults )
849 return mImpl->mOutlineDefaults->properties;
855 void Controller::SetDefaultLineSpacing( float lineSpacing )
857 //TODO finish implementation
858 mImpl->mLayoutEngine.SetDefaultLineSpacing( lineSpacing );
861 float Controller::GetDefaultLineSpacing() const
863 return mImpl->mLayoutEngine.GetDefaultLineSpacing();
866 void Controller::SetInputColor( const Vector4& color )
868 if( NULL != mImpl->mEventData )
870 mImpl->mEventData->mInputStyle.textColor = color;
871 mImpl->mEventData->mInputStyle.isDefaultColor = false;
873 if( EventData::SELECTING == mImpl->mEventData->mState )
875 const bool handlesCrossed = mImpl->mEventData->mLeftSelectionPosition > mImpl->mEventData->mRightSelectionPosition;
877 // Get start and end position of selection
878 const CharacterIndex startOfSelectedText = handlesCrossed ? mImpl->mEventData->mRightSelectionPosition : mImpl->mEventData->mLeftSelectionPosition;
879 const Length lengthOfSelectedText = ( handlesCrossed ? mImpl->mEventData->mLeftSelectionPosition : mImpl->mEventData->mRightSelectionPosition ) - startOfSelectedText;
881 // Add the color run.
882 const VectorBase::SizeType numberOfRuns = mImpl->mModel->mLogicalModel->mColorRuns.Count();
883 mImpl->mModel->mLogicalModel->mColorRuns.Resize( numberOfRuns + 1u );
885 ColorRun& colorRun = *( mImpl->mModel->mLogicalModel->mColorRuns.Begin() + numberOfRuns );
886 colorRun.color = color;
887 colorRun.characterRun.characterIndex = startOfSelectedText;
888 colorRun.characterRun.numberOfCharacters = lengthOfSelectedText;
890 // Request to relayout.
891 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | COLOR );
892 mImpl->RequestRelayout();
894 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
895 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
896 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
901 const Vector4& Controller::GetInputColor() const
903 if( NULL != mImpl->mEventData )
905 return mImpl->mEventData->mInputStyle.textColor;
908 // Return the default text's color if there is no EventData.
909 return mImpl->mTextColor;
913 void Controller::SetInputFontFamily( const std::string& fontFamily )
915 if( NULL != mImpl->mEventData )
917 mImpl->mEventData->mInputStyle.familyName = fontFamily;
918 mImpl->mEventData->mInputStyle.isFamilyDefined = true;
920 if( EventData::SELECTING == mImpl->mEventData->mState )
922 CharacterIndex startOfSelectedText = 0u;
923 Length lengthOfSelectedText = 0u;
924 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
925 mImpl->mModel->mLogicalModel,
927 lengthOfSelectedText );
929 fontDescriptionRun.familyLength = fontFamily.size();
930 fontDescriptionRun.familyName = new char[fontDescriptionRun.familyLength];
931 memcpy( fontDescriptionRun.familyName, fontFamily.c_str(), fontDescriptionRun.familyLength );
932 fontDescriptionRun.familyDefined = true;
934 // The memory allocated for the font family name is freed when the font description is removed from the logical model.
936 // Request to relayout.
937 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
945 mImpl->mRecalculateNaturalSize = true;
946 mImpl->RequestRelayout();
948 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
949 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
950 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
952 // As the font changes, recalculate the handle positions is needed.
953 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
954 mImpl->mEventData->mUpdateRightSelectionPosition = true;
955 mImpl->mEventData->mUpdateHighlightBox = true;
956 mImpl->mEventData->mScrollAfterUpdatePosition = true;
961 const std::string& Controller::GetInputFontFamily() const
963 if( NULL != mImpl->mEventData )
965 return mImpl->mEventData->mInputStyle.familyName;
968 // Return the default font's family if there is no EventData.
969 return GetDefaultFontFamily();
972 void Controller::SetInputFontWeight( FontWeight weight )
974 if( NULL != mImpl->mEventData )
976 mImpl->mEventData->mInputStyle.weight = weight;
977 mImpl->mEventData->mInputStyle.isWeightDefined = true;
979 if( EventData::SELECTING == mImpl->mEventData->mState )
981 CharacterIndex startOfSelectedText = 0u;
982 Length lengthOfSelectedText = 0u;
983 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
984 mImpl->mModel->mLogicalModel,
986 lengthOfSelectedText );
988 fontDescriptionRun.weight = weight;
989 fontDescriptionRun.weightDefined = true;
991 // Request to relayout.
992 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1000 mImpl->mRecalculateNaturalSize = true;
1001 mImpl->RequestRelayout();
1003 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
1004 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
1005 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
1007 // As the font might change, recalculate the handle positions is needed.
1008 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
1009 mImpl->mEventData->mUpdateRightSelectionPosition = true;
1010 mImpl->mEventData->mUpdateHighlightBox = true;
1011 mImpl->mEventData->mScrollAfterUpdatePosition = true;
1016 bool Controller::IsInputFontWeightDefined() const
1018 bool defined = false;
1020 if( NULL != mImpl->mEventData )
1022 defined = mImpl->mEventData->mInputStyle.isWeightDefined;
1028 FontWeight Controller::GetInputFontWeight() const
1030 if( NULL != mImpl->mEventData )
1032 return mImpl->mEventData->mInputStyle.weight;
1035 return GetDefaultFontWeight();
1038 void Controller::SetInputFontWidth( FontWidth width )
1040 if( NULL != mImpl->mEventData )
1042 mImpl->mEventData->mInputStyle.width = width;
1043 mImpl->mEventData->mInputStyle.isWidthDefined = true;
1045 if( EventData::SELECTING == mImpl->mEventData->mState )
1047 CharacterIndex startOfSelectedText = 0u;
1048 Length lengthOfSelectedText = 0u;
1049 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
1050 mImpl->mModel->mLogicalModel,
1051 startOfSelectedText,
1052 lengthOfSelectedText );
1054 fontDescriptionRun.width = width;
1055 fontDescriptionRun.widthDefined = true;
1057 // Request to relayout.
1058 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1063 UPDATE_LAYOUT_SIZE |
1066 mImpl->mRecalculateNaturalSize = true;
1067 mImpl->RequestRelayout();
1069 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
1070 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
1071 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
1073 // As the font might change, recalculate the handle positions is needed.
1074 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
1075 mImpl->mEventData->mUpdateRightSelectionPosition = true;
1076 mImpl->mEventData->mUpdateHighlightBox = true;
1077 mImpl->mEventData->mScrollAfterUpdatePosition = true;
1082 bool Controller::IsInputFontWidthDefined() const
1084 bool defined = false;
1086 if( NULL != mImpl->mEventData )
1088 defined = mImpl->mEventData->mInputStyle.isWidthDefined;
1094 FontWidth Controller::GetInputFontWidth() const
1096 if( NULL != mImpl->mEventData )
1098 return mImpl->mEventData->mInputStyle.width;
1101 return GetDefaultFontWidth();
1104 void Controller::SetInputFontSlant( FontSlant slant )
1106 if( NULL != mImpl->mEventData )
1108 mImpl->mEventData->mInputStyle.slant = slant;
1109 mImpl->mEventData->mInputStyle.isSlantDefined = true;
1111 if( EventData::SELECTING == mImpl->mEventData->mState )
1113 CharacterIndex startOfSelectedText = 0u;
1114 Length lengthOfSelectedText = 0u;
1115 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
1116 mImpl->mModel->mLogicalModel,
1117 startOfSelectedText,
1118 lengthOfSelectedText );
1120 fontDescriptionRun.slant = slant;
1121 fontDescriptionRun.slantDefined = true;
1123 // Request to relayout.
1124 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1129 UPDATE_LAYOUT_SIZE |
1132 mImpl->mRecalculateNaturalSize = true;
1133 mImpl->RequestRelayout();
1135 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
1136 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
1137 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
1139 // As the font might change, recalculate the handle positions is needed.
1140 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
1141 mImpl->mEventData->mUpdateRightSelectionPosition = true;
1142 mImpl->mEventData->mUpdateHighlightBox = true;
1143 mImpl->mEventData->mScrollAfterUpdatePosition = true;
1148 bool Controller::IsInputFontSlantDefined() const
1150 bool defined = false;
1152 if( NULL != mImpl->mEventData )
1154 defined = mImpl->mEventData->mInputStyle.isSlantDefined;
1160 FontSlant Controller::GetInputFontSlant() const
1162 if( NULL != mImpl->mEventData )
1164 return mImpl->mEventData->mInputStyle.slant;
1167 return GetDefaultFontSlant();
1170 void Controller::SetInputFontPointSize( float size )
1172 if( NULL != mImpl->mEventData )
1174 mImpl->mEventData->mInputStyle.size = size;
1175 mImpl->mEventData->mInputStyle.isSizeDefined = true;
1177 if( EventData::SELECTING == mImpl->mEventData->mState )
1179 CharacterIndex startOfSelectedText = 0u;
1180 Length lengthOfSelectedText = 0u;
1181 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
1182 mImpl->mModel->mLogicalModel,
1183 startOfSelectedText,
1184 lengthOfSelectedText );
1186 fontDescriptionRun.size = static_cast<PointSize26Dot6>( size * 64.f );
1187 fontDescriptionRun.sizeDefined = true;
1189 // Request to relayout.
1190 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1195 UPDATE_LAYOUT_SIZE |
1198 mImpl->mRecalculateNaturalSize = true;
1199 mImpl->RequestRelayout();
1201 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
1202 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
1203 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
1205 // As the font might change, recalculate the handle positions is needed.
1206 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
1207 mImpl->mEventData->mUpdateRightSelectionPosition = true;
1208 mImpl->mEventData->mUpdateHighlightBox = true;
1209 mImpl->mEventData->mScrollAfterUpdatePosition = true;
1214 float Controller::GetInputFontPointSize() const
1216 if( NULL != mImpl->mEventData )
1218 return mImpl->mEventData->mInputStyle.size;
1221 // Return the default font's point size if there is no EventData.
1222 return GetDefaultPointSize();
1225 void Controller::SetInputLineSpacing( float lineSpacing )
1227 if( NULL != mImpl->mEventData )
1229 mImpl->mEventData->mInputStyle.lineSpacing = lineSpacing;
1230 mImpl->mEventData->mInputStyle.isLineSpacingDefined = true;
1234 float Controller::GetInputLineSpacing() const
1236 if( NULL != mImpl->mEventData )
1238 return mImpl->mEventData->mInputStyle.lineSpacing;
1244 void Controller::SetInputShadowProperties( const std::string& shadowProperties )
1246 if( NULL != mImpl->mEventData )
1248 mImpl->mEventData->mInputStyle.shadowProperties = shadowProperties;
1252 const std::string& Controller::GetInputShadowProperties() const
1254 if( NULL != mImpl->mEventData )
1256 return mImpl->mEventData->mInputStyle.shadowProperties;
1259 return EMPTY_STRING;
1262 void Controller::SetInputUnderlineProperties( const std::string& underlineProperties )
1264 if( NULL != mImpl->mEventData )
1266 mImpl->mEventData->mInputStyle.underlineProperties = underlineProperties;
1270 const std::string& Controller::GetInputUnderlineProperties() const
1272 if( NULL != mImpl->mEventData )
1274 return mImpl->mEventData->mInputStyle.underlineProperties;
1277 return EMPTY_STRING;
1280 void Controller::SetInputEmbossProperties( const std::string& embossProperties )
1282 if( NULL != mImpl->mEventData )
1284 mImpl->mEventData->mInputStyle.embossProperties = embossProperties;
1288 const std::string& Controller::GetInputEmbossProperties() const
1290 if( NULL != mImpl->mEventData )
1292 return mImpl->mEventData->mInputStyle.embossProperties;
1295 return GetDefaultEmbossProperties();
1298 void Controller::SetInputOutlineProperties( const std::string& outlineProperties )
1300 if( NULL != mImpl->mEventData )
1302 mImpl->mEventData->mInputStyle.outlineProperties = outlineProperties;
1306 const std::string& Controller::GetInputOutlineProperties() const
1308 if( NULL != mImpl->mEventData )
1310 return mImpl->mEventData->mInputStyle.outlineProperties;
1313 return GetDefaultOutlineProperties();
1316 // public : Queries & retrieves.
1318 Layout::Engine& Controller::GetLayoutEngine()
1320 return mImpl->mLayoutEngine;
1323 View& Controller::GetView()
1325 return mImpl->mView;
1328 Vector3 Controller::GetNaturalSize()
1330 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetNaturalSize\n" );
1331 Vector3 naturalSize;
1333 // Make sure the model is up-to-date before layouting
1334 ProcessModifyEvents();
1336 if( mImpl->mRecalculateNaturalSize )
1338 // Operations that can be done only once until the text changes.
1339 const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
1346 GET_GLYPH_METRICS );
1348 // Set the update info to relayout the whole text.
1349 mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u;
1350 mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mModel->mLogicalModel->mText.Count();
1352 // Make sure the model is up-to-date before layouting
1353 mImpl->UpdateModel( onlyOnceOperations );
1355 // Layout the text for the new width.
1356 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | LAYOUT );
1358 // Store the actual control's size to restore later.
1359 const Size actualControlSize = mImpl->mModel->mVisualModel->mControlSize;
1361 DoRelayout( Size( MAX_FLOAT, MAX_FLOAT ),
1362 static_cast<OperationsMask>( onlyOnceOperations |
1364 naturalSize.GetVectorXY() );
1366 // Do not do again the only once operations.
1367 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
1369 // Do the size related operations again.
1370 const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
1373 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
1375 // Stores the natural size to avoid recalculate it again
1376 // unless the text/style changes.
1377 mImpl->mModel->mVisualModel->SetNaturalSize( naturalSize.GetVectorXY() );
1379 mImpl->mRecalculateNaturalSize = false;
1381 // Clear the update info. This info will be set the next time the text is updated.
1382 mImpl->mTextUpdateInfo.Clear();
1384 // Restore the actual control's size.
1385 mImpl->mModel->mVisualModel->mControlSize = actualControlSize;
1387 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize calculated %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
1391 naturalSize = mImpl->mModel->mVisualModel->GetNaturalSize();
1393 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize cached %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
1396 naturalSize.x = ConvertToEven( naturalSize.x );
1397 naturalSize.y = ConvertToEven( naturalSize.y );
1402 float Controller::GetHeightForWidth( float width )
1404 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetHeightForWidth %p width %f\n", this, width );
1405 // Make sure the model is up-to-date before layouting
1406 ProcessModifyEvents();
1409 if( fabsf( width - mImpl->mModel->mVisualModel->mControlSize.width ) > Math::MACHINE_EPSILON_1000 )
1411 // Operations that can be done only once until the text changes.
1412 const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
1419 GET_GLYPH_METRICS );
1421 // Set the update info to relayout the whole text.
1422 mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u;
1423 mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mModel->mLogicalModel->mText.Count();
1425 // Make sure the model is up-to-date before layouting
1426 mImpl->UpdateModel( onlyOnceOperations );
1429 // Layout the text for the new width.
1430 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | LAYOUT );
1432 // Store the actual control's width.
1433 const float actualControlWidth = mImpl->mModel->mVisualModel->mControlSize.width;
1435 DoRelayout( Size( width, MAX_FLOAT ),
1436 static_cast<OperationsMask>( onlyOnceOperations |
1440 // Do not do again the only once operations.
1441 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
1443 // Do the size related operations again.
1444 const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
1448 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
1450 // Clear the update info. This info will be set the next time the text is updated.
1451 mImpl->mTextUpdateInfo.Clear();
1453 // Restore the actual control's width.
1454 mImpl->mModel->mVisualModel->mControlSize.width = actualControlWidth;
1456 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth calculated %f\n", layoutSize.height );
1460 layoutSize = mImpl->mModel->mVisualModel->GetLayoutSize();
1461 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth cached %f\n", layoutSize.height );
1464 return layoutSize.height;
1467 const ModelInterface* const Controller::GetTextModel() const
1469 return mImpl->mModel.Get();
1472 float Controller::GetScrollAmountByUserInput()
1474 float scrollAmount = 0.0f;
1476 if (NULL != mImpl->mEventData && mImpl->mEventData->mCheckScrollAmount)
1478 scrollAmount = mImpl->mModel->mScrollPosition.y - mImpl->mModel->mScrollPositionLast.y;
1479 mImpl->mEventData->mCheckScrollAmount = false;
1481 return scrollAmount;
1484 // public : Relayout.
1486 Controller::UpdateTextType Controller::Relayout( const Size& size )
1488 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::Relayout %p size %f,%f, autoScroll[%s]\n", this, size.width, size.height, mImpl->mIsAutoScrollEnabled ?"true":"false" );
1490 UpdateTextType updateTextType = NONE_UPDATED;
1492 if( ( size.width < Math::MACHINE_EPSILON_1000 ) || ( size.height < Math::MACHINE_EPSILON_1000 ) )
1494 if( 0u != mImpl->mModel->mVisualModel->mGlyphPositions.Count() )
1496 mImpl->mModel->mVisualModel->mGlyphPositions.Clear();
1497 updateTextType = MODEL_UPDATED;
1500 // Clear the update info. This info will be set the next time the text is updated.
1501 mImpl->mTextUpdateInfo.Clear();
1503 // Not worth to relayout if width or height is equal to zero.
1504 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout (skipped)\n" );
1506 return updateTextType;
1509 // Whether a new size has been set.
1510 const bool newSize = ( size != mImpl->mModel->mVisualModel->mControlSize );
1514 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "new size (previous size %f,%f)\n", mImpl->mModel->mVisualModel->mControlSize.width, mImpl->mModel->mVisualModel->mControlSize.height );
1516 // Layout operations that need to be done if the size changes.
1517 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1520 UPDATE_LAYOUT_SIZE |
1522 // Set the update info to relayout the whole text.
1523 mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true;
1524 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
1526 // Store the size used to layout the text.
1527 mImpl->mModel->mVisualModel->mControlSize = size;
1530 // Whether there are modify events.
1531 if( 0u != mImpl->mModifyEvents.Count() )
1533 // Style operations that need to be done if the text is modified.
1534 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1538 // Make sure the model is up-to-date before layouting.
1539 ProcessModifyEvents();
1540 bool updated = mImpl->UpdateModel( mImpl->mOperationsPending );
1544 updated = DoRelayout( size,
1545 mImpl->mOperationsPending,
1546 layoutSize ) || updated;
1550 updateTextType = MODEL_UPDATED;
1553 // Do not re-do any operation until something changes.
1554 mImpl->mOperationsPending = NO_OPERATION;
1555 mImpl->mModel->mScrollPositionLast = mImpl->mModel->mScrollPosition;
1557 // Whether the text control is editable
1558 const bool isEditable = NULL != mImpl->mEventData;
1560 // Keep the current offset as it will be used to update the decorator's positions (if the size changes).
1562 if( newSize && isEditable )
1564 offset = mImpl->mModel->mScrollPosition;
1567 if( !isEditable || !IsMultiLineEnabled() )
1569 // After doing the text layout, the vertical offset to place the actor in the desired position can be calculated.
1570 CalculateVerticalOffset( size );
1577 // If there is a new size, the scroll position needs to be clamped.
1578 mImpl->ClampHorizontalScroll( layoutSize );
1580 // Update the decorator's positions is needed if there is a new size.
1581 mImpl->mEventData->mDecorator->UpdatePositions( mImpl->mModel->mScrollPosition - offset );
1584 // Move the cursor, grab handle etc.
1585 if( mImpl->ProcessInputEvents() )
1587 updateTextType = static_cast<UpdateTextType>( updateTextType | DECORATOR_UPDATED );
1591 // Clear the update info. This info will be set the next time the text is updated.
1592 mImpl->mTextUpdateInfo.Clear();
1593 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout\n" );
1595 return updateTextType;
1598 void Controller::RequestRelayout()
1600 mImpl->RequestRelayout();
1603 // public : Input style change signals.
1605 bool Controller::IsInputStyleChangedSignalsQueueEmpty()
1607 return ( NULL == mImpl->mEventData ) || ( 0u == mImpl->mEventData->mInputStyleChangedQueue.Count() );
1610 void Controller::ProcessInputStyleChangedSignals()
1612 if( NULL == mImpl->mEventData )
1618 for( Vector<InputStyle::Mask>::ConstIterator it = mImpl->mEventData->mInputStyleChangedQueue.Begin(),
1619 endIt = mImpl->mEventData->mInputStyleChangedQueue.End();
1623 const InputStyle::Mask mask = *it;
1625 if( NULL != mImpl->mEditableControlInterface )
1627 // Emit the input style changed signal.
1628 mImpl->mEditableControlInterface->InputStyleChanged( mask );
1632 mImpl->mEventData->mInputStyleChangedQueue.Clear();
1635 // public : Text-input Event Queuing.
1637 void Controller::KeyboardFocusGainEvent()
1639 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusGainEvent" );
1641 if( NULL != mImpl->mEventData )
1643 if( ( EventData::INACTIVE == mImpl->mEventData->mState ) ||
1644 ( EventData::INTERRUPTED == mImpl->mEventData->mState ) )
1646 mImpl->ChangeState( EventData::EDITING );
1647 mImpl->mEventData->mUpdateCursorPosition = true; //If editing started without tap event, cursor update must be triggered.
1648 mImpl->mEventData->mUpdateInputStyle = true;
1650 mImpl->NotifyImfMultiLineStatus();
1651 if( mImpl->IsShowingPlaceholderText() )
1653 // Show alternative placeholder-text when editing
1654 ShowPlaceholderText();
1657 mImpl->RequestRelayout();
1661 void Controller::KeyboardFocusLostEvent()
1663 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusLostEvent" );
1665 if( NULL != mImpl->mEventData )
1667 if( EventData::INTERRUPTED != mImpl->mEventData->mState )
1669 mImpl->ChangeState( EventData::INACTIVE );
1671 if( !mImpl->IsShowingRealText() )
1673 // Revert to regular placeholder-text when not editing
1674 ShowPlaceholderText();
1678 mImpl->RequestRelayout();
1681 bool Controller::KeyEvent( const Dali::KeyEvent& keyEvent )
1683 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyEvent" );
1685 bool textChanged( false );
1687 if( ( NULL != mImpl->mEventData ) &&
1688 ( keyEvent.state == KeyEvent::Down ) )
1690 int keyCode = keyEvent.keyCode;
1691 const std::string& keyString = keyEvent.keyPressed;
1693 // Pre-process to separate modifying events from non-modifying input events.
1694 if( Dali::DALI_KEY_ESCAPE == keyCode )
1696 // Escape key is a special case which causes focus loss
1697 KeyboardFocusLostEvent();
1699 else if( ( Dali::DALI_KEY_CURSOR_LEFT == keyCode ) ||
1700 ( Dali::DALI_KEY_CURSOR_RIGHT == keyCode ) ||
1701 ( Dali::DALI_KEY_CURSOR_UP == keyCode ) ||
1702 ( Dali::DALI_KEY_CURSOR_DOWN == keyCode ) )
1704 mImpl->mEventData->mCheckScrollAmount = true;
1706 Event event( Event::CURSOR_KEY_EVENT );
1707 event.p1.mInt = keyCode;
1708 mImpl->mEventData->mEventQueue.push_back( event );
1710 else if( Dali::DALI_KEY_BACKSPACE == keyCode )
1712 textChanged = BackspaceKeyEvent();
1714 else if( IsKey( keyEvent, Dali::DALI_KEY_POWER ) )
1716 mImpl->ChangeState( EventData::INTERRUPTED ); // State is not INACTIVE as expect to return to edit mode.
1717 // Avoids calling the InsertText() method which can delete selected text
1719 else if( IsKey( keyEvent, Dali::DALI_KEY_MENU ) ||
1720 IsKey( keyEvent, Dali::DALI_KEY_HOME ) )
1722 mImpl->ChangeState( EventData::INACTIVE );
1723 // Menu/Home key behaviour does not allow edit mode to resume like Power key
1724 // Avoids calling the InsertText() method which can delete selected text
1726 else if( Dali::DALI_KEY_SHIFT_LEFT == keyCode )
1728 // DALI_KEY_SHIFT_LEFT is the key code for the Left Shift. It's sent (by the imf?) when the predictive text is enabled
1729 // and a character is typed after the type of a upper case latin character.
1735 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p keyString %s\n", this, keyString.c_str() );
1737 // IMF manager is no longer handling key-events
1738 mImpl->ClearPreEditFlag();
1740 InsertText( keyString, COMMIT );
1744 if ( ( mImpl->mEventData->mState != EventData::INTERRUPTED ) &&
1745 ( mImpl->mEventData->mState != EventData::INACTIVE ) &&
1746 ( Dali::DALI_KEY_SHIFT_LEFT != keyCode ) )
1748 // Should not change the state if the key is the shift send by the imf manager.
1749 // Otherwise, when the state is SELECTING the text controller can't send the right
1750 // surrounding info to the imf.
1751 mImpl->ChangeState( EventData::EDITING );
1754 mImpl->RequestRelayout();
1758 ( NULL != mImpl->mEditableControlInterface ) )
1760 // Do this last since it provides callbacks into application code
1761 mImpl->mEditableControlInterface->TextChanged();
1767 void Controller::TapEvent( unsigned int tapCount, float x, float y )
1769 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected TapEvent" );
1771 if( NULL != mImpl->mEventData )
1773 DALI_LOG_INFO( gLogFilter, Debug::Concise, "TapEvent state:%d \n", mImpl->mEventData->mState );
1774 EventData::State state( mImpl->mEventData->mState );
1775 bool relayoutNeeded( false ); // to avoid unnecessary relayouts when tapping an empty text-field
1777 if( mImpl->IsClipboardVisible() )
1779 if( EventData::INACTIVE == state || EventData::EDITING == state)
1781 mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE );
1783 relayoutNeeded = true;
1785 else if( 1u == tapCount )
1787 if( EventData::EDITING_WITH_POPUP == state || EventData::EDITING_WITH_PASTE_POPUP == state )
1789 mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE ); // If Popup shown hide it here so can be shown again if required.
1792 if( mImpl->IsShowingRealText() && ( EventData::INACTIVE != state ) )
1794 mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE );
1795 relayoutNeeded = true;
1799 if( mImpl->IsShowingPlaceholderText() && !mImpl->IsFocusedPlaceholderAvailable() )
1801 // Hide placeholder text
1805 if( EventData::INACTIVE == state )
1807 mImpl->ChangeState( EventData::EDITING );
1809 else if( !mImpl->IsClipboardEmpty() )
1811 mImpl->ChangeState( EventData::EDITING_WITH_POPUP );
1813 relayoutNeeded = true;
1816 else if( 2u == tapCount )
1818 if( mImpl->mEventData->mSelectionEnabled &&
1819 mImpl->IsShowingRealText() )
1821 SelectEvent( x, y, false );
1824 // Handles & cursors must be repositioned after Relayout() i.e. after the Model has been updated
1825 if( relayoutNeeded )
1827 Event event( Event::TAP_EVENT );
1828 event.p1.mUint = tapCount;
1829 event.p2.mFloat = x;
1830 event.p3.mFloat = y;
1831 mImpl->mEventData->mEventQueue.push_back( event );
1833 mImpl->RequestRelayout();
1837 // Reset keyboard as tap event has occurred.
1838 mImpl->ResetImfManager();
1841 void Controller::PanEvent( Gesture::State state, const Vector2& displacement )
1843 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected PanEvent" );
1845 if( NULL != mImpl->mEventData )
1847 Event event( Event::PAN_EVENT );
1848 event.p1.mInt = state;
1849 event.p2.mFloat = displacement.x;
1850 event.p3.mFloat = displacement.y;
1851 mImpl->mEventData->mEventQueue.push_back( event );
1853 mImpl->RequestRelayout();
1857 void Controller::LongPressEvent( Gesture::State state, float x, float y )
1859 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected LongPressEvent" );
1861 if( ( state == Gesture::Started ) &&
1862 ( NULL != mImpl->mEventData ) )
1864 if( !mImpl->IsShowingRealText() )
1866 Event event( Event::LONG_PRESS_EVENT );
1867 event.p1.mInt = state;
1868 mImpl->mEventData->mEventQueue.push_back( event );
1869 mImpl->RequestRelayout();
1873 // The 1st long-press on inactive text-field is treated as tap
1874 if( EventData::INACTIVE == mImpl->mEventData->mState )
1876 mImpl->ChangeState( EventData::EDITING );
1878 Event event( Event::TAP_EVENT );
1880 event.p2.mFloat = x;
1881 event.p3.mFloat = y;
1882 mImpl->mEventData->mEventQueue.push_back( event );
1884 mImpl->RequestRelayout();
1886 else if( !mImpl->IsClipboardVisible() )
1888 // Reset the imf manger to commit the pre-edit before selecting the text.
1889 mImpl->ResetImfManager();
1891 SelectEvent( x, y, false );
1897 ImfManager::ImfCallbackData Controller::OnImfEvent( ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent )
1899 // Whether the text needs to be relaid-out.
1900 bool requestRelayout = false;
1902 // Whether to retrieve the text and cursor position to be sent to the IMF manager.
1903 bool retrieveText = false;
1904 bool retrieveCursor = false;
1906 switch( imfEvent.eventName )
1908 case ImfManager::COMMIT:
1910 InsertText( imfEvent.predictiveString, Text::Controller::COMMIT );
1911 requestRelayout = true;
1912 retrieveCursor = true;
1915 case ImfManager::PREEDIT:
1917 InsertText( imfEvent.predictiveString, Text::Controller::PRE_EDIT );
1918 requestRelayout = true;
1919 retrieveCursor = true;
1922 case ImfManager::DELETESURROUNDING:
1924 const bool textDeleted = RemoveText( imfEvent.cursorOffset,
1925 imfEvent.numberOfChars,
1926 DONT_UPDATE_INPUT_STYLE );
1930 if( ( 0u != mImpl->mModel->mLogicalModel->mText.Count() ) ||
1931 !mImpl->IsPlaceholderAvailable() )
1933 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
1937 ShowPlaceholderText();
1939 mImpl->mEventData->mUpdateCursorPosition = true;
1940 mImpl->mEventData->mScrollAfterDelete = true;
1942 requestRelayout = true;
1946 case ImfManager::GETSURROUNDING:
1948 retrieveText = true;
1949 retrieveCursor = true;
1952 case ImfManager::VOID:
1959 if( requestRelayout )
1961 mImpl->mOperationsPending = ALL_OPERATIONS;
1962 mImpl->RequestRelayout();
1966 CharacterIndex cursorPosition = 0u;
1967 Length numberOfWhiteSpaces = 0u;
1969 if( retrieveCursor )
1971 numberOfWhiteSpaces = mImpl->GetNumberOfWhiteSpaces( 0u );
1973 cursorPosition = mImpl->GetLogicalCursorPosition();
1975 if( cursorPosition < numberOfWhiteSpaces )
1977 cursorPosition = 0u;
1981 cursorPosition -= numberOfWhiteSpaces;
1987 mImpl->GetText( numberOfWhiteSpaces, text );
1990 ImfManager::ImfCallbackData callbackData( ( retrieveText || retrieveCursor ), cursorPosition, text, false );
1992 if( requestRelayout &&
1993 ( NULL != mImpl->mEditableControlInterface ) )
1995 // Do this last since it provides callbacks into application code
1996 mImpl->mEditableControlInterface->TextChanged();
1999 return callbackData;
2002 void Controller::PasteClipboardItemEvent()
2004 // Retrieve the clipboard contents first
2005 ClipboardEventNotifier notifier( ClipboardEventNotifier::Get() );
2006 std::string stringToPaste( notifier.GetContent() );
2008 // Commit the current pre-edit text; the contents of the clipboard should be appended
2009 mImpl->ResetImfManager();
2011 // Temporary disable hiding clipboard
2012 mImpl->SetClipboardHideEnable( false );
2015 PasteText( stringToPaste );
2017 mImpl->SetClipboardHideEnable( true );
2020 // protected : Inherit from Text::Decorator::ControllerInterface.
2022 void Controller::GetTargetSize( Vector2& targetSize )
2024 targetSize = mImpl->mModel->mVisualModel->mControlSize;
2027 void Controller::AddDecoration( Actor& actor, bool needsClipping )
2029 if( NULL != mImpl->mEditableControlInterface )
2031 mImpl->mEditableControlInterface->AddDecoration( actor, needsClipping );
2035 void Controller::DecorationEvent( HandleType handleType, HandleState state, float x, float y )
2037 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected DecorationEvent" );
2039 if( NULL != mImpl->mEventData )
2041 switch( handleType )
2045 Event event( Event::GRAB_HANDLE_EVENT );
2046 event.p1.mUint = state;
2047 event.p2.mFloat = x;
2048 event.p3.mFloat = y;
2050 mImpl->mEventData->mEventQueue.push_back( event );
2053 case LEFT_SELECTION_HANDLE:
2055 Event event( Event::LEFT_SELECTION_HANDLE_EVENT );
2056 event.p1.mUint = state;
2057 event.p2.mFloat = x;
2058 event.p3.mFloat = y;
2060 mImpl->mEventData->mEventQueue.push_back( event );
2063 case RIGHT_SELECTION_HANDLE:
2065 Event event( Event::RIGHT_SELECTION_HANDLE_EVENT );
2066 event.p1.mUint = state;
2067 event.p2.mFloat = x;
2068 event.p3.mFloat = y;
2070 mImpl->mEventData->mEventQueue.push_back( event );
2073 case LEFT_SELECTION_HANDLE_MARKER:
2074 case RIGHT_SELECTION_HANDLE_MARKER:
2076 // Markers do not move the handles.
2079 case HANDLE_TYPE_COUNT:
2081 DALI_ASSERT_DEBUG( !"Controller::HandleEvent. Unexpected handle type" );
2085 mImpl->RequestRelayout();
2089 // protected : Inherit from TextSelectionPopup::TextPopupButtonCallbackInterface.
2091 void Controller::TextPopupButtonTouched( Dali::Toolkit::TextSelectionPopup::Buttons button )
2093 if( NULL == mImpl->mEventData )
2100 case Toolkit::TextSelectionPopup::CUT:
2102 mImpl->SendSelectionToClipboard( true ); // Synchronous call to modify text
2103 mImpl->mOperationsPending = ALL_OPERATIONS;
2105 if( ( 0u != mImpl->mModel->mLogicalModel->mText.Count() ) ||
2106 !mImpl->IsPlaceholderAvailable() )
2108 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
2112 ShowPlaceholderText();
2115 mImpl->mEventData->mUpdateCursorPosition = true;
2116 mImpl->mEventData->mScrollAfterDelete = true;
2118 mImpl->RequestRelayout();
2120 if( NULL != mImpl->mEditableControlInterface )
2122 mImpl->mEditableControlInterface->TextChanged();
2126 case Toolkit::TextSelectionPopup::COPY:
2128 mImpl->SendSelectionToClipboard( false ); // Text not modified
2130 mImpl->mEventData->mUpdateCursorPosition = true;
2132 mImpl->RequestRelayout(); // Cursor, Handles, Selection Highlight, Popup
2135 case Toolkit::TextSelectionPopup::PASTE:
2137 mImpl->RequestGetTextFromClipboard(); // Request clipboard service to retrieve an item
2140 case Toolkit::TextSelectionPopup::SELECT:
2142 const Vector2& currentCursorPosition = mImpl->mEventData->mDecorator->GetPosition( PRIMARY_CURSOR );
2144 if( mImpl->mEventData->mSelectionEnabled )
2146 // Creates a SELECT event.
2147 SelectEvent( currentCursorPosition.x, currentCursorPosition.y, false );
2151 case Toolkit::TextSelectionPopup::SELECT_ALL:
2153 // Creates a SELECT_ALL event
2154 SelectEvent( 0.f, 0.f, true );
2157 case Toolkit::TextSelectionPopup::CLIPBOARD:
2159 mImpl->ShowClipboard();
2162 case Toolkit::TextSelectionPopup::NONE:
2170 // private : Update.
2172 void Controller::InsertText( const std::string& text, Controller::InsertType type )
2174 bool removedPrevious( false );
2175 bool maxLengthReached( false );
2177 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected InsertText" )
2179 if( NULL == mImpl->mEventData )
2184 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::InsertText %p %s (%s) mPrimaryCursorPosition %d mPreEditFlag %d mPreEditStartPosition %d mPreEditLength %d\n",
2185 this, text.c_str(), (COMMIT == type ? "COMMIT" : "PRE_EDIT"),
2186 mImpl->mEventData->mPrimaryCursorPosition, mImpl->mEventData->mPreEditFlag, mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
2188 // TODO: At the moment the underline runs are only for pre-edit.
2189 mImpl->mModel->mVisualModel->mUnderlineRuns.Clear();
2191 // Keep the current number of characters.
2192 const Length currentNumberOfCharacters = mImpl->IsShowingRealText() ? mImpl->mModel->mLogicalModel->mText.Count() : 0u;
2194 // Remove the previous IMF pre-edit.
2195 if( mImpl->mEventData->mPreEditFlag && ( 0u != mImpl->mEventData->mPreEditLength ) )
2197 removedPrevious = RemoveText( -static_cast<int>( mImpl->mEventData->mPrimaryCursorPosition - mImpl->mEventData->mPreEditStartPosition ),
2198 mImpl->mEventData->mPreEditLength,
2199 DONT_UPDATE_INPUT_STYLE );
2201 mImpl->mEventData->mPrimaryCursorPosition = mImpl->mEventData->mPreEditStartPosition;
2202 mImpl->mEventData->mPreEditLength = 0u;
2206 // Remove the previous Selection.
2207 removedPrevious = RemoveSelectedText();
2210 Vector<Character> utf32Characters;
2211 Length characterCount = 0u;
2215 // Convert text into UTF-32
2216 utf32Characters.Resize( text.size() );
2218 // This is a bit horrible but std::string returns a (signed) char*
2219 const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
2221 // Transform a text array encoded in utf8 into an array encoded in utf32.
2222 // It returns the actual number of characters.
2223 characterCount = Utf8ToUtf32( utf8, text.size(), utf32Characters.Begin() );
2224 utf32Characters.Resize( characterCount );
2226 DALI_ASSERT_DEBUG( text.size() >= utf32Characters.Count() && "Invalid UTF32 conversion length" );
2227 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "UTF8 size %d, UTF32 size %d\n", text.size(), utf32Characters.Count() );
2230 if( 0u != utf32Characters.Count() ) // Check if Utf8ToUtf32 conversion succeeded
2232 // The placeholder text is no longer needed
2233 if( mImpl->IsShowingPlaceholderText() )
2238 mImpl->ChangeState( EventData::EDITING );
2240 // Handle the IMF (predicitive text) state changes
2241 if( COMMIT == type )
2243 // IMF manager is no longer handling key-events
2244 mImpl->ClearPreEditFlag();
2248 if( !mImpl->mEventData->mPreEditFlag )
2250 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Entered PreEdit state\n" );
2252 // Record the start of the pre-edit text
2253 mImpl->mEventData->mPreEditStartPosition = mImpl->mEventData->mPrimaryCursorPosition;
2256 mImpl->mEventData->mPreEditLength = utf32Characters.Count();
2257 mImpl->mEventData->mPreEditFlag = true;
2259 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "mPreEditStartPosition %d mPreEditLength %d\n", mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
2262 const Length numberOfCharactersInModel = mImpl->mModel->mLogicalModel->mText.Count();
2264 // Restrict new text to fit within Maximum characters setting.
2265 Length maxSizeOfNewText = std::min( ( mImpl->mMaximumNumberOfCharacters - numberOfCharactersInModel ), characterCount );
2266 maxLengthReached = ( characterCount > maxSizeOfNewText );
2268 // The cursor position.
2269 CharacterIndex& cursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
2271 // Update the text's style.
2273 // Updates the text style runs by adding characters.
2274 mImpl->mModel->mLogicalModel->UpdateTextStyleRuns( cursorIndex, maxSizeOfNewText );
2276 // Get the character index from the cursor index.
2277 const CharacterIndex styleIndex = ( cursorIndex > 0u ) ? cursorIndex - 1u : 0u;
2279 // Retrieve the text's style for the given index.
2281 mImpl->RetrieveDefaultInputStyle( style );
2282 mImpl->mModel->mLogicalModel->RetrieveStyle( styleIndex, style );
2284 // Whether to add a new text color run.
2285 const bool addColorRun = ( style.textColor != mImpl->mEventData->mInputStyle.textColor );
2287 // Whether to add a new font run.
2288 const bool addFontNameRun = style.familyName != mImpl->mEventData->mInputStyle.familyName;
2289 const bool addFontWeightRun = style.weight != mImpl->mEventData->mInputStyle.weight;
2290 const bool addFontWidthRun = style.width != mImpl->mEventData->mInputStyle.width;
2291 const bool addFontSlantRun = style.slant != mImpl->mEventData->mInputStyle.slant;
2292 const bool addFontSizeRun = style.size != mImpl->mEventData->mInputStyle.size;
2297 const VectorBase::SizeType numberOfRuns = mImpl->mModel->mLogicalModel->mColorRuns.Count();
2298 mImpl->mModel->mLogicalModel->mColorRuns.Resize( numberOfRuns + 1u );
2300 ColorRun& colorRun = *( mImpl->mModel->mLogicalModel->mColorRuns.Begin() + numberOfRuns );
2301 colorRun.color = mImpl->mEventData->mInputStyle.textColor;
2302 colorRun.characterRun.characterIndex = cursorIndex;
2303 colorRun.characterRun.numberOfCharacters = maxSizeOfNewText;
2306 if( addFontNameRun ||
2312 const VectorBase::SizeType numberOfRuns = mImpl->mModel->mLogicalModel->mFontDescriptionRuns.Count();
2313 mImpl->mModel->mLogicalModel->mFontDescriptionRuns.Resize( numberOfRuns + 1u );
2315 FontDescriptionRun& fontDescriptionRun = *( mImpl->mModel->mLogicalModel->mFontDescriptionRuns.Begin() + numberOfRuns );
2317 if( addFontNameRun )
2319 fontDescriptionRun.familyLength = mImpl->mEventData->mInputStyle.familyName.size();
2320 fontDescriptionRun.familyName = new char[fontDescriptionRun.familyLength];
2321 memcpy( fontDescriptionRun.familyName, mImpl->mEventData->mInputStyle.familyName.c_str(), fontDescriptionRun.familyLength );
2322 fontDescriptionRun.familyDefined = true;
2324 // The memory allocated for the font family name is freed when the font description is removed from the logical model.
2327 if( addFontWeightRun )
2329 fontDescriptionRun.weight = mImpl->mEventData->mInputStyle.weight;
2330 fontDescriptionRun.weightDefined = true;
2333 if( addFontWidthRun )
2335 fontDescriptionRun.width = mImpl->mEventData->mInputStyle.width;
2336 fontDescriptionRun.widthDefined = true;
2339 if( addFontSlantRun )
2341 fontDescriptionRun.slant = mImpl->mEventData->mInputStyle.slant;
2342 fontDescriptionRun.slantDefined = true;
2345 if( addFontSizeRun )
2347 fontDescriptionRun.size = static_cast<PointSize26Dot6>( mImpl->mEventData->mInputStyle.size * 64.f );
2348 fontDescriptionRun.sizeDefined = true;
2351 fontDescriptionRun.characterRun.characterIndex = cursorIndex;
2352 fontDescriptionRun.characterRun.numberOfCharacters = maxSizeOfNewText;
2355 // Insert at current cursor position.
2356 Vector<Character>& modifyText = mImpl->mModel->mLogicalModel->mText;
2358 if( cursorIndex < numberOfCharactersInModel )
2360 modifyText.Insert( modifyText.Begin() + cursorIndex, utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText );
2364 modifyText.Insert( modifyText.End(), utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText );
2367 // Mark the first paragraph to be updated.
2368 mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
2369 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd += maxSizeOfNewText;
2371 // Update the cursor index.
2372 cursorIndex += maxSizeOfNewText;
2374 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 );
2377 const Length numberOfCharacters = mImpl->IsShowingRealText() ? mImpl->mModel->mLogicalModel->mText.Count() : 0u;
2379 if( ( 0u == mImpl->mModel->mLogicalModel->mText.Count() ) &&
2380 mImpl->IsPlaceholderAvailable() )
2382 // Show place-holder if empty after removing the pre-edit text
2383 ShowPlaceholderText();
2384 mImpl->mEventData->mUpdateCursorPosition = true;
2385 mImpl->ClearPreEditFlag();
2387 else if( removedPrevious ||
2388 ( 0 != utf32Characters.Count() ) )
2390 // Queue an inserted event
2391 mImpl->QueueModifyEvent( ModifyEvent::TEXT_INSERTED );
2393 mImpl->mEventData->mUpdateCursorPosition = true;
2394 if( numberOfCharacters < currentNumberOfCharacters )
2396 mImpl->mEventData->mScrollAfterDelete = true;
2400 mImpl->mEventData->mScrollAfterUpdatePosition = true;
2404 if( maxLengthReached )
2406 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "MaxLengthReached (%d)\n", mImpl->mModel->mLogicalModel->mText.Count() );
2408 mImpl->ResetImfManager();
2410 if( NULL != mImpl->mEditableControlInterface )
2412 // Do this last since it provides callbacks into application code
2413 mImpl->mEditableControlInterface->MaxLengthReached();
2418 void Controller::PasteText( const std::string& stringToPaste )
2420 InsertText( stringToPaste, Text::Controller::COMMIT );
2421 mImpl->ChangeState( EventData::EDITING );
2422 mImpl->RequestRelayout();
2424 if( NULL != mImpl->mEditableControlInterface )
2426 // Do this last since it provides callbacks into application code
2427 mImpl->mEditableControlInterface->TextChanged();
2431 bool Controller::RemoveText( int cursorOffset,
2432 int numberOfCharacters,
2433 UpdateInputStyleType type )
2435 bool removed = false;
2437 if( NULL == mImpl->mEventData )
2442 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p mText.Count() %d cursor %d cursorOffset %d numberOfCharacters %d\n",
2443 this, mImpl->mModel->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition, cursorOffset, numberOfCharacters );
2445 if( !mImpl->IsShowingPlaceholderText() )
2447 // Delete at current cursor position
2448 Vector<Character>& currentText = mImpl->mModel->mLogicalModel->mText;
2449 CharacterIndex& oldCursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
2451 CharacterIndex cursorIndex = oldCursorIndex;
2453 // Validate the cursor position & number of characters
2454 if( static_cast< CharacterIndex >( std::abs( cursorOffset ) ) <= cursorIndex )
2456 cursorIndex = oldCursorIndex + cursorOffset;
2459 if( ( cursorIndex + numberOfCharacters ) > currentText.Count() )
2461 numberOfCharacters = currentText.Count() - cursorIndex;
2464 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.
2465 ( ( cursorIndex + numberOfCharacters ) <= mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters ) )
2467 // Mark the paragraphs to be updated.
2468 mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
2469 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove += numberOfCharacters;
2471 // Update the input style and remove the text's style before removing the text.
2473 if( UPDATE_INPUT_STYLE == type )
2475 // Keep a copy of the current input style.
2476 InputStyle currentInputStyle;
2477 currentInputStyle.Copy( mImpl->mEventData->mInputStyle );
2479 // Set first the default input style.
2480 mImpl->RetrieveDefaultInputStyle( mImpl->mEventData->mInputStyle );
2482 // Update the input style.
2483 mImpl->mModel->mLogicalModel->RetrieveStyle( cursorIndex, mImpl->mEventData->mInputStyle );
2485 // Compare if the input style has changed.
2486 const bool hasInputStyleChanged = !currentInputStyle.Equal( mImpl->mEventData->mInputStyle );
2488 if( hasInputStyleChanged )
2490 const InputStyle::Mask styleChangedMask = currentInputStyle.GetInputStyleChangeMask( mImpl->mEventData->mInputStyle );
2491 // Queue the input style changed signal.
2492 mImpl->mEventData->mInputStyleChangedQueue.PushBack( styleChangedMask );
2496 // Updates the text style runs by removing characters. Runs with no characters are removed.
2497 mImpl->mModel->mLogicalModel->UpdateTextStyleRuns( cursorIndex, -numberOfCharacters );
2499 // Remove the characters.
2500 Vector<Character>::Iterator first = currentText.Begin() + cursorIndex;
2501 Vector<Character>::Iterator last = first + numberOfCharacters;
2503 currentText.Erase( first, last );
2505 // Cursor position retreat
2506 oldCursorIndex = cursorIndex;
2508 mImpl->mEventData->mScrollAfterDelete = true;
2510 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p removed %d\n", this, numberOfCharacters );
2518 bool Controller::RemoveSelectedText()
2520 bool textRemoved( false );
2522 if( EventData::SELECTING == mImpl->mEventData->mState )
2524 std::string removedString;
2525 mImpl->RetrieveSelection( removedString, true );
2527 if( !removedString.empty() )
2530 mImpl->ChangeState( EventData::EDITING );
2537 // private : Relayout.
2539 bool Controller::DoRelayout( const Size& size,
2540 OperationsMask operationsRequired,
2543 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout %p size %f,%f\n", this, size.width, size.height );
2544 bool viewUpdated( false );
2546 // Calculate the operations to be done.
2547 const OperationsMask operations = static_cast<OperationsMask>( mImpl->mOperationsPending & operationsRequired );
2549 const CharacterIndex startIndex = mImpl->mTextUpdateInfo.mParagraphCharacterIndex;
2550 const Length requestedNumberOfCharacters = mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters;
2552 // Get the current layout size.
2553 layoutSize = mImpl->mModel->mVisualModel->GetLayoutSize();
2555 if( NO_OPERATION != ( LAYOUT & operations ) )
2557 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout LAYOUT & operations\n");
2559 // Some vectors with data needed to layout and reorder may be void
2560 // after the first time the text has been laid out.
2561 // Fill the vectors again.
2563 // Calculate the number of glyphs to layout.
2564 const Vector<GlyphIndex>& charactersToGlyph = mImpl->mModel->mVisualModel->mCharactersToGlyph;
2565 const Vector<Length>& glyphsPerCharacter = mImpl->mModel->mVisualModel->mGlyphsPerCharacter;
2566 const GlyphIndex* const charactersToGlyphBuffer = charactersToGlyph.Begin();
2567 const Length* const glyphsPerCharacterBuffer = glyphsPerCharacter.Begin();
2569 const CharacterIndex lastIndex = startIndex + ( ( requestedNumberOfCharacters > 0u ) ? requestedNumberOfCharacters - 1u : 0u );
2570 const GlyphIndex startGlyphIndex = mImpl->mTextUpdateInfo.mStartGlyphIndex;
2571 const Length numberOfGlyphs = ( requestedNumberOfCharacters > 0u ) ? *( charactersToGlyphBuffer + lastIndex ) + *( glyphsPerCharacterBuffer + lastIndex ) - startGlyphIndex : 0u;
2572 const Length totalNumberOfGlyphs = mImpl->mModel->mVisualModel->mGlyphs.Count();
2574 if( 0u == totalNumberOfGlyphs )
2576 if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) )
2578 mImpl->mModel->mVisualModel->SetLayoutSize( Size::ZERO );
2581 // Nothing else to do if there is no glyphs.
2582 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout no glyphs, view updated true\n" );
2586 const Vector<LineBreakInfo>& lineBreakInfo = mImpl->mModel->mLogicalModel->mLineBreakInfo;
2587 const Vector<WordBreakInfo>& wordBreakInfo = mImpl->mModel->mLogicalModel->mWordBreakInfo;
2588 const Vector<CharacterDirection>& characterDirection = mImpl->mModel->mLogicalModel->mCharacterDirections;
2589 const Vector<GlyphInfo>& glyphs = mImpl->mModel->mVisualModel->mGlyphs;
2590 const Vector<CharacterIndex>& glyphsToCharactersMap = mImpl->mModel->mVisualModel->mGlyphsToCharacters;
2591 const Vector<Length>& charactersPerGlyph = mImpl->mModel->mVisualModel->mCharactersPerGlyph;
2592 const Character* const textBuffer = mImpl->mModel->mLogicalModel->mText.Begin();
2594 // Set the layout parameters.
2595 Layout::Parameters layoutParameters( size,
2597 lineBreakInfo.Begin(),
2598 wordBreakInfo.Begin(),
2599 ( 0u != characterDirection.Count() ) ? characterDirection.Begin() : NULL,
2601 glyphsToCharactersMap.Begin(),
2602 charactersPerGlyph.Begin(),
2603 charactersToGlyphBuffer,
2604 glyphsPerCharacterBuffer,
2605 totalNumberOfGlyphs,
2606 mImpl->mModel->mHorizontalAlignment );
2608 // Resize the vector of positions to have the same size than the vector of glyphs.
2609 Vector<Vector2>& glyphPositions = mImpl->mModel->mVisualModel->mGlyphPositions;
2610 glyphPositions.Resize( totalNumberOfGlyphs );
2612 // Whether the last character is a new paragraph character.
2613 mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph = TextAbstraction::IsNewParagraph( *( textBuffer + ( mImpl->mModel->mLogicalModel->mText.Count() - 1u ) ) );
2614 layoutParameters.isLastNewParagraph = mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph;
2616 // The initial glyph and the number of glyphs to layout.
2617 layoutParameters.startGlyphIndex = startGlyphIndex;
2618 layoutParameters.numberOfGlyphs = numberOfGlyphs;
2619 layoutParameters.startLineIndex = mImpl->mTextUpdateInfo.mStartLineIndex;
2620 layoutParameters.estimatedNumberOfLines = mImpl->mTextUpdateInfo.mEstimatedNumberOfLines;
2622 // Update the visual model.
2624 viewUpdated = mImpl->mLayoutEngine.LayoutText( layoutParameters,
2626 mImpl->mModel->mVisualModel->mLines,
2628 mImpl->mModel->mElideEnabled );
2630 viewUpdated = viewUpdated || ( newLayoutSize != layoutSize );
2634 layoutSize = newLayoutSize;
2636 if( NO_OPERATION != ( UPDATE_DIRECTION & operations ) )
2638 mImpl->mAutoScrollDirectionRTL = false;
2641 // Reorder the lines
2642 if( NO_OPERATION != ( REORDER & operations ) )
2644 Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo = mImpl->mModel->mLogicalModel->mBidirectionalParagraphInfo;
2645 Vector<BidirectionalLineInfoRun>& bidirectionalLineInfo = mImpl->mModel->mLogicalModel->mBidirectionalLineInfo;
2647 // Check first if there are paragraphs with bidirectional info.
2648 if( 0u != bidirectionalInfo.Count() )
2651 const Length numberOfLines = mImpl->mModel->mVisualModel->mLines.Count();
2653 // Reorder the lines.
2654 bidirectionalLineInfo.Reserve( numberOfLines ); // Reserve because is not known yet how many lines have right to left characters.
2655 ReorderLines( bidirectionalInfo,
2657 requestedNumberOfCharacters,
2658 mImpl->mModel->mVisualModel->mLines,
2659 bidirectionalLineInfo );
2661 // Set the bidirectional info per line into the layout parameters.
2662 layoutParameters.lineBidirectionalInfoRunsBuffer = bidirectionalLineInfo.Begin();
2663 layoutParameters.numberOfBidirectionalInfoRuns = bidirectionalLineInfo.Count();
2665 // Re-layout the text. Reorder those lines with right to left characters.
2666 mImpl->mLayoutEngine.ReLayoutRightToLeftLines( layoutParameters,
2668 requestedNumberOfCharacters,
2671 if ( ( NO_OPERATION != ( UPDATE_DIRECTION & operations ) ) && ( numberOfLines > 0 ) )
2673 const LineRun* const firstline = mImpl->mModel->mVisualModel->mLines.Begin();
2676 mImpl->mAutoScrollDirectionRTL = firstline->direction;
2682 // Sets the layout size.
2683 if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) )
2685 mImpl->mModel->mVisualModel->SetLayoutSize( layoutSize );
2690 if( NO_OPERATION != ( ALIGN & operations ) )
2692 // The laid-out lines.
2693 Vector<LineRun>& lines = mImpl->mModel->mVisualModel->mLines;
2695 // Need to align with the control's size as the text may contain lines
2696 // starting either with left to right text or right to left.
2697 mImpl->mLayoutEngine.Align( size,
2699 requestedNumberOfCharacters,
2700 mImpl->mModel->mHorizontalAlignment,
2702 mImpl->mModel->mAlignmentOffset );
2706 #if defined(DEBUG_ENABLED)
2707 std::string currentText;
2708 GetText( currentText );
2709 DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::DoRelayout [%p] mImpl->mAutoScrollDirectionRTL[%s] [%s]\n", this, (mImpl->mAutoScrollDirectionRTL)?"true":"false", currentText.c_str() );
2711 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout, view updated %s\n", ( viewUpdated ? "true" : "false" ) );
2715 void Controller::CalculateVerticalOffset( const Size& controlSize )
2717 Size layoutSize = mImpl->mModel->mVisualModel->GetLayoutSize();
2719 if( fabsf( layoutSize.height ) < Math::MACHINE_EPSILON_1000 )
2721 // Get the line height of the default font.
2722 layoutSize.height = mImpl->GetDefaultFontLineHeight();
2725 switch( mImpl->mModel->mVerticalAlignment )
2727 case Layout::VERTICAL_ALIGN_TOP:
2729 mImpl->mModel->mScrollPosition.y = 0.f;
2732 case Layout::VERTICAL_ALIGN_CENTER:
2734 mImpl->mModel->mScrollPosition.y = floorf( 0.5f * ( controlSize.height - layoutSize.height ) ); // try to avoid pixel alignment.
2737 case Layout::VERTICAL_ALIGN_BOTTOM:
2739 mImpl->mModel->mScrollPosition.y = controlSize.height - layoutSize.height;
2745 // private : Events.
2747 void Controller::ProcessModifyEvents()
2749 Vector<ModifyEvent>& events = mImpl->mModifyEvents;
2751 if( 0u == events.Count() )
2757 for( Vector<ModifyEvent>::ConstIterator it = events.Begin(),
2758 endIt = events.End();
2762 const ModifyEvent& event = *it;
2764 if( ModifyEvent::TEXT_REPLACED == event.type )
2766 // A (single) replace event should come first, otherwise we wasted time processing NOOP events
2767 DALI_ASSERT_DEBUG( it == events.Begin() && "Unexpected TEXT_REPLACED event" );
2769 TextReplacedEvent();
2771 else if( ModifyEvent::TEXT_INSERTED == event.type )
2773 TextInsertedEvent();
2775 else if( ModifyEvent::TEXT_DELETED == event.type )
2777 // Placeholder-text cannot be deleted
2778 if( !mImpl->IsShowingPlaceholderText() )
2785 if( NULL != mImpl->mEventData )
2787 // When the text is being modified, delay cursor blinking
2788 mImpl->mEventData->mDecorator->DelayCursorBlink();
2791 // Discard temporary text
2795 void Controller::TextReplacedEvent()
2797 // The natural size needs to be re-calculated.
2798 mImpl->mRecalculateNaturalSize = true;
2800 // Apply modifications to the model
2801 mImpl->mOperationsPending = ALL_OPERATIONS;
2804 void Controller::TextInsertedEvent()
2806 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextInsertedEvent" );
2808 if( NULL == mImpl->mEventData )
2813 mImpl->mEventData->mCheckScrollAmount = true;
2815 // The natural size needs to be re-calculated.
2816 mImpl->mRecalculateNaturalSize = true;
2818 // Apply modifications to the model; TODO - Optimize this
2819 mImpl->mOperationsPending = ALL_OPERATIONS;
2822 void Controller::TextDeletedEvent()
2824 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextDeletedEvent" );
2826 if( NULL == mImpl->mEventData )
2831 mImpl->mEventData->mCheckScrollAmount = true;
2833 // The natural size needs to be re-calculated.
2834 mImpl->mRecalculateNaturalSize = true;
2836 // Apply modifications to the model; TODO - Optimize this
2837 mImpl->mOperationsPending = ALL_OPERATIONS;
2840 void Controller::SelectEvent( float x, float y, bool selectAll )
2842 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SelectEvent\n" );
2844 if( NULL != mImpl->mEventData )
2848 Event event( Event::SELECT_ALL );
2849 mImpl->mEventData->mEventQueue.push_back( event );
2853 Event event( Event::SELECT );
2854 event.p2.mFloat = x;
2855 event.p3.mFloat = y;
2856 mImpl->mEventData->mEventQueue.push_back( event );
2859 mImpl->mEventData->mCheckScrollAmount = true;
2860 mImpl->RequestRelayout();
2864 bool Controller::BackspaceKeyEvent()
2866 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p DALI_KEY_BACKSPACE\n", this );
2868 bool removed = false;
2870 if( NULL == mImpl->mEventData )
2875 // IMF manager is no longer handling key-events
2876 mImpl->ClearPreEditFlag();
2878 if( EventData::SELECTING == mImpl->mEventData->mState )
2880 removed = RemoveSelectedText();
2882 else if( mImpl->mEventData->mPrimaryCursorPosition > 0 )
2884 // Remove the character before the current cursor position
2885 removed = RemoveText( -1,
2887 UPDATE_INPUT_STYLE );
2892 if( ( 0u != mImpl->mModel->mLogicalModel->mText.Count() ) ||
2893 !mImpl->IsPlaceholderAvailable() )
2895 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
2899 ShowPlaceholderText();
2901 mImpl->mEventData->mUpdateCursorPosition = true;
2902 mImpl->mEventData->mScrollAfterDelete = true;
2908 // private : Helpers.
2910 void Controller::ResetText()
2913 mImpl->mModel->mLogicalModel->mText.Clear();
2915 // We have cleared everything including the placeholder-text
2916 mImpl->PlaceholderCleared();
2918 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
2919 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
2920 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = 0u;
2922 // Clear any previous text.
2923 mImpl->mTextUpdateInfo.mClearAll = true;
2925 // The natural size needs to be re-calculated.
2926 mImpl->mRecalculateNaturalSize = true;
2928 // Apply modifications to the model
2929 mImpl->mOperationsPending = ALL_OPERATIONS;
2932 void Controller::ShowPlaceholderText()
2934 if( mImpl->IsPlaceholderAvailable() )
2936 DALI_ASSERT_DEBUG( mImpl->mEventData && "No placeholder text available" );
2938 if( NULL == mImpl->mEventData )
2943 mImpl->mEventData->mIsShowingPlaceholderText = true;
2945 // Disable handles when showing place-holder text
2946 mImpl->mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
2947 mImpl->mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
2948 mImpl->mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
2950 const char* text( NULL );
2953 // TODO - Switch placeholder text styles when changing state
2954 if( ( EventData::INACTIVE != mImpl->mEventData->mState ) &&
2955 ( 0u != mImpl->mEventData->mPlaceholderTextActive.c_str() ) )
2957 text = mImpl->mEventData->mPlaceholderTextActive.c_str();
2958 size = mImpl->mEventData->mPlaceholderTextActive.size();
2962 text = mImpl->mEventData->mPlaceholderTextInactive.c_str();
2963 size = mImpl->mEventData->mPlaceholderTextInactive.size();
2966 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
2967 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
2969 // Reset model for showing placeholder.
2970 mImpl->mModel->mLogicalModel->mText.Clear();
2971 mImpl->mModel->mVisualModel->SetTextColor( mImpl->mEventData->mPlaceholderTextColor );
2973 // Convert text into UTF-32
2974 Vector<Character>& utf32Characters = mImpl->mModel->mLogicalModel->mText;
2975 utf32Characters.Resize( size );
2977 // This is a bit horrible but std::string returns a (signed) char*
2978 const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text );
2980 // Transform a text array encoded in utf8 into an array encoded in utf32.
2981 // It returns the actual number of characters.
2982 const Length characterCount = Utf8ToUtf32( utf8, size, utf32Characters.Begin() );
2983 utf32Characters.Resize( characterCount );
2985 // The characters to be added.
2986 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = characterCount;
2988 // Reset the cursor position
2989 mImpl->mEventData->mPrimaryCursorPosition = 0;
2991 // The natural size needs to be re-calculated.
2992 mImpl->mRecalculateNaturalSize = true;
2994 // Apply modifications to the model
2995 mImpl->mOperationsPending = ALL_OPERATIONS;
2997 // Update the rest of the model during size negotiation
2998 mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED );
3002 void Controller::ClearFontData()
3004 if( mImpl->mFontDefaults )
3006 mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
3009 // Set flags to update the model.
3010 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
3011 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
3012 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mModel->mLogicalModel->mText.Count();
3014 mImpl->mTextUpdateInfo.mClearAll = true;
3015 mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true;
3016 mImpl->mRecalculateNaturalSize = true;
3018 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
3023 UPDATE_LAYOUT_SIZE |
3028 void Controller::ClearStyleData()
3030 mImpl->mModel->mLogicalModel->mColorRuns.Clear();
3031 mImpl->mModel->mLogicalModel->ClearFontDescriptionRuns();
3034 void Controller::ResetCursorPosition( CharacterIndex cursorIndex )
3036 // Reset the cursor position
3037 if( NULL != mImpl->mEventData )
3039 mImpl->mEventData->mPrimaryCursorPosition = cursorIndex;
3041 // Update the cursor if it's in editing mode.
3042 if( EventData::IsEditingState( mImpl->mEventData->mState ) )
3044 mImpl->mEventData->mUpdateCursorPosition = true;
3049 void Controller::ResetScrollPosition()
3051 if( NULL != mImpl->mEventData )
3053 // Reset the scroll position.
3054 mImpl->mModel->mScrollPosition = Vector2::ZERO;
3055 mImpl->mEventData->mScrollAfterUpdatePosition = true;
3059 // private : Private contructors & copy operator.
3061 Controller::Controller()
3064 mImpl = new Controller::Impl( NULL, NULL );
3067 Controller::Controller( ControlInterface* controlInterface )
3069 mImpl = new Controller::Impl( controlInterface, NULL );
3072 Controller::Controller( ControlInterface* controlInterface,
3073 EditableControlInterface* editableControlInterface )
3075 mImpl = new Controller::Impl( controlInterface,
3076 editableControlInterface );
3079 // The copy constructor and operator are left unimplemented.
3081 // protected : Destructor.
3083 Controller::~Controller()
3090 } // namespace Toolkit