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 )
125 if( NULL == mImpl->mEventData )
127 mImpl->mEventData = new EventData( decorator );
131 void Controller::SetGlyphType( TextAbstraction::GlyphType glyphType )
133 // Metrics for bitmap & vector based glyphs are different
134 mImpl->mMetrics->SetGlyphType( glyphType );
136 // Clear the font-specific data
139 mImpl->RequestRelayout();
142 void Controller::SetMarkupProcessorEnabled( bool enable )
144 mImpl->mMarkupProcessorEnabled = enable;
147 bool Controller::IsMarkupProcessorEnabled() const
149 return mImpl->mMarkupProcessorEnabled;
152 void Controller::SetAutoScrollEnabled( bool enable )
154 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled[%s] SingleBox[%s]-> [%p]\n", (enable)?"true":"false", ( mImpl->mLayoutEngine.GetLayout() == LayoutEngine::SINGLE_LINE_BOX)?"true":"false", this );
156 if ( mImpl->mLayoutEngine.GetLayout() == LayoutEngine::SINGLE_LINE_BOX )
160 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled for SINGLE_LINE_BOX\n" );
161 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
171 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled Disabling autoscroll\n");
172 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
179 mImpl->mAutoScrollEnabled = enable;
180 mImpl->RequestRelayout();
184 DALI_LOG_WARNING( "Attempted AutoScrolling on a non SINGLE_LINE_BOX, request ignored\n" );
185 mImpl->mAutoScrollEnabled = false;
189 bool Controller::IsAutoScrollEnabled() const
191 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::IsAutoScrollEnabled[%s]\n", (mImpl->mAutoScrollEnabled)?"true":"false" );
193 return mImpl->mAutoScrollEnabled;
196 CharacterDirection Controller::GetAutoScrollDirection() const
198 return mImpl->mAutoScrollDirectionRTL;
201 float Controller::GetAutoScrollLineAlignment() const
205 if( mImpl->mVisualModel &&
206 ( 0u != mImpl->mVisualModel->mLines.Count() ) )
208 offset = ( *mImpl->mVisualModel->mLines.Begin() ).alignmentOffset;
214 void Controller::SetHorizontalScrollEnabled( bool enable )
216 if( ( NULL != mImpl->mEventData ) &&
217 mImpl->mEventData->mDecorator )
219 mImpl->mEventData->mDecorator->SetHorizontalScrollEnabled( enable );
223 bool Controller::IsHorizontalScrollEnabled() const
225 if( ( NULL != mImpl->mEventData ) &&
226 mImpl->mEventData->mDecorator )
228 return mImpl->mEventData->mDecorator->IsHorizontalScrollEnabled();
234 void Controller::SetVerticalScrollEnabled( bool enable )
236 if( ( NULL != mImpl->mEventData ) &&
237 mImpl->mEventData->mDecorator )
239 if( mImpl->mEventData->mDecorator )
241 mImpl->mEventData->mDecorator->SetVerticalScrollEnabled( enable );
246 bool Controller::IsVerticalScrollEnabled() const
248 if( ( NULL != mImpl->mEventData ) &&
249 mImpl->mEventData->mDecorator )
251 return mImpl->mEventData->mDecorator->IsVerticalScrollEnabled();
257 void Controller::SetSmoothHandlePanEnabled( bool enable )
259 if( ( NULL != mImpl->mEventData ) &&
260 mImpl->mEventData->mDecorator )
262 mImpl->mEventData->mDecorator->SetSmoothHandlePanEnabled( enable );
266 bool Controller::IsSmoothHandlePanEnabled() const
268 if( ( NULL != mImpl->mEventData ) &&
269 mImpl->mEventData->mDecorator )
271 return mImpl->mEventData->mDecorator->IsSmoothHandlePanEnabled();
277 void Controller::SetMaximumNumberOfCharacters( Length maxCharacters )
279 mImpl->mMaximumNumberOfCharacters = maxCharacters;
282 int Controller::GetMaximumNumberOfCharacters()
284 return mImpl->mMaximumNumberOfCharacters;
287 void Controller::SetEnableCursorBlink( bool enable )
289 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "TextInput disabled" );
291 if( NULL != mImpl->mEventData )
293 mImpl->mEventData->mCursorBlinkEnabled = enable;
296 mImpl->mEventData->mDecorator )
298 mImpl->mEventData->mDecorator->StopCursorBlink();
303 bool Controller::GetEnableCursorBlink() const
305 if( NULL != mImpl->mEventData )
307 return mImpl->mEventData->mCursorBlinkEnabled;
313 void Controller::SetMultiLineEnabled( bool enable )
315 const LayoutEngine::Layout layout = enable ? LayoutEngine::MULTI_LINE_BOX : LayoutEngine::SINGLE_LINE_BOX;
317 if( layout != mImpl->mLayoutEngine.GetLayout() )
319 // Set the layout type.
320 mImpl->mLayoutEngine.SetLayout( layout );
322 // Set the flags to redo the layout operations
323 const OperationsMask layoutOperations = static_cast<OperationsMask>( LAYOUT |
328 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | layoutOperations );
330 mImpl->RequestRelayout();
334 bool Controller::IsMultiLineEnabled() const
336 return LayoutEngine::MULTI_LINE_BOX == mImpl->mLayoutEngine.GetLayout();
339 void Controller::SetHorizontalAlignment( LayoutEngine::HorizontalAlignment alignment )
341 if( alignment != mImpl->mLayoutEngine.GetHorizontalAlignment() )
343 // Set the alignment.
344 mImpl->mLayoutEngine.SetHorizontalAlignment( alignment );
346 // Set the flag to redo the alignment operation.
347 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | ALIGN );
349 mImpl->RequestRelayout();
353 LayoutEngine::HorizontalAlignment Controller::GetHorizontalAlignment() const
355 return mImpl->mLayoutEngine.GetHorizontalAlignment();
358 void Controller::SetVerticalAlignment( LayoutEngine::VerticalAlignment alignment )
360 if( alignment != mImpl->mLayoutEngine.GetVerticalAlignment() )
362 // Set the alignment.
363 mImpl->mLayoutEngine.SetVerticalAlignment( alignment );
365 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | ALIGN );
367 mImpl->RequestRelayout();
371 LayoutEngine::VerticalAlignment Controller::GetVerticalAlignment() const
373 return mImpl->mLayoutEngine.GetVerticalAlignment();
378 void Controller::SetText( const std::string& text )
380 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SetText\n" );
382 // Reset keyboard as text changed
383 mImpl->ResetImfManager();
385 // Remove the previously set text and style.
391 CharacterIndex lastCursorIndex = 0u;
393 if( NULL != mImpl->mEventData )
395 // If popup shown then hide it by switching to Editing state
396 if( ( EventData::SELECTING == mImpl->mEventData->mState ) ||
397 ( EventData::EDITING_WITH_POPUP == mImpl->mEventData->mState ) ||
398 ( EventData::EDITING_WITH_GRAB_HANDLE == mImpl->mEventData->mState ) ||
399 ( EventData::EDITING_WITH_PASTE_POPUP == mImpl->mEventData->mState ) )
401 mImpl->ChangeState( EventData::EDITING );
407 mImpl->mVisualModel->SetTextColor( mImpl->mTextColor );
409 MarkupProcessData markupProcessData( mImpl->mLogicalModel->mColorRuns,
410 mImpl->mLogicalModel->mFontDescriptionRuns );
412 Length textSize = 0u;
413 const uint8_t* utf8 = NULL;
414 if( mImpl->mMarkupProcessorEnabled )
416 ProcessMarkupString( text, markupProcessData );
417 textSize = markupProcessData.markupProcessedText.size();
419 // This is a bit horrible but std::string returns a (signed) char*
420 utf8 = reinterpret_cast<const uint8_t*>( markupProcessData.markupProcessedText.c_str() );
424 textSize = text.size();
426 // This is a bit horrible but std::string returns a (signed) char*
427 utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
430 // Convert text into UTF-32
431 Vector<Character>& utf32Characters = mImpl->mLogicalModel->mText;
432 utf32Characters.Resize( textSize );
434 // Transform a text array encoded in utf8 into an array encoded in utf32.
435 // It returns the actual number of characters.
436 Length characterCount = Utf8ToUtf32( utf8, textSize, utf32Characters.Begin() );
437 utf32Characters.Resize( characterCount );
439 DALI_ASSERT_DEBUG( textSize >= characterCount && "Invalid UTF32 conversion length" );
440 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SetText %p UTF8 size %d, UTF32 size %d\n", this, textSize, mImpl->mLogicalModel->mText.Count() );
442 // The characters to be added.
443 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mLogicalModel->mText.Count();
445 // To reset the cursor position
446 lastCursorIndex = characterCount;
448 // Update the rest of the model during size negotiation
449 mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED );
451 // The natural size needs to be re-calculated.
452 mImpl->mRecalculateNaturalSize = true;
454 // Apply modifications to the model
455 mImpl->mOperationsPending = ALL_OPERATIONS;
459 ShowPlaceholderText();
462 // Resets the cursor position.
463 ResetCursorPosition( lastCursorIndex );
465 // Scrolls the text to make the cursor visible.
466 ResetScrollPosition();
468 mImpl->RequestRelayout();
470 if( NULL != mImpl->mEventData )
472 // Cancel previously queued events
473 mImpl->mEventData->mEventQueue.clear();
476 // Do this last since it provides callbacks into application code.
477 if( NULL != mImpl->mEditableControlInterface )
479 mImpl->mEditableControlInterface->TextChanged();
483 void Controller::GetText( std::string& text ) const
485 if( !mImpl->IsShowingPlaceholderText() )
487 // Retrieves the text string.
488 mImpl->GetText( 0u, text );
492 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::GetText %p empty (but showing placeholder)\n", this );
496 void Controller::SetPlaceholderText( PlaceholderType type, const std::string& text )
498 if( NULL != mImpl->mEventData )
500 if( PLACEHOLDER_TYPE_INACTIVE == type )
502 mImpl->mEventData->mPlaceholderTextInactive = text;
506 mImpl->mEventData->mPlaceholderTextActive = text;
509 // Update placeholder if there is no text
510 if( mImpl->IsShowingPlaceholderText() ||
511 ( 0u == mImpl->mLogicalModel->mText.Count() ) )
513 ShowPlaceholderText();
518 void Controller::GetPlaceholderText( PlaceholderType type, std::string& text ) const
520 if( NULL != mImpl->mEventData )
522 if( PLACEHOLDER_TYPE_INACTIVE == type )
524 text = mImpl->mEventData->mPlaceholderTextInactive;
528 text = mImpl->mEventData->mPlaceholderTextActive;
533 void Controller::UpdateAfterFontChange( const std::string& newDefaultFont )
535 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::UpdateAfterFontChange\n");
537 if( !mImpl->mFontDefaults->familyDefined ) // If user defined font then should not update when system font changes
539 DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::UpdateAfterFontChange newDefaultFont(%s)\n", newDefaultFont.c_str() );
540 mImpl->mFontDefaults->mFontDescription.family = newDefaultFont;
544 mImpl->RequestRelayout();
548 // public : Default style & Input style
550 void Controller::SetDefaultFontFamily( const std::string& defaultFontFamily )
552 if( NULL == mImpl->mFontDefaults )
554 mImpl->mFontDefaults = new FontDefaults();
557 mImpl->mFontDefaults->mFontDescription.family = defaultFontFamily;
558 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetDefaultFontFamily %s\n", defaultFontFamily.c_str());
559 mImpl->mFontDefaults->familyDefined = !defaultFontFamily.empty();
561 // Clear the font-specific data
564 mImpl->RequestRelayout();
567 const std::string& Controller::GetDefaultFontFamily() const
569 if( NULL != mImpl->mFontDefaults )
571 return mImpl->mFontDefaults->mFontDescription.family;
577 void Controller::SetDefaultFontWeight( FontWeight weight )
579 if( NULL == mImpl->mFontDefaults )
581 mImpl->mFontDefaults = new FontDefaults();
584 mImpl->mFontDefaults->mFontDescription.weight = weight;
585 mImpl->mFontDefaults->weightDefined = true;
587 // Clear the font-specific data
590 mImpl->RequestRelayout();
593 bool Controller::IsDefaultFontWeightDefined() const
595 return mImpl->mFontDefaults->weightDefined;
598 FontWeight Controller::GetDefaultFontWeight() const
600 if( NULL != mImpl->mFontDefaults )
602 return mImpl->mFontDefaults->mFontDescription.weight;
605 return TextAbstraction::FontWeight::NORMAL;
608 void Controller::SetDefaultFontWidth( FontWidth width )
610 if( NULL == mImpl->mFontDefaults )
612 mImpl->mFontDefaults = new FontDefaults();
615 mImpl->mFontDefaults->mFontDescription.width = width;
616 mImpl->mFontDefaults->widthDefined = true;
618 // Clear the font-specific data
621 mImpl->RequestRelayout();
624 bool Controller::IsDefaultFontWidthDefined() const
626 return mImpl->mFontDefaults->widthDefined;
629 FontWidth Controller::GetDefaultFontWidth() const
631 if( NULL != mImpl->mFontDefaults )
633 return mImpl->mFontDefaults->mFontDescription.width;
636 return TextAbstraction::FontWidth::NORMAL;
639 void Controller::SetDefaultFontSlant( FontSlant slant )
641 if( NULL == mImpl->mFontDefaults )
643 mImpl->mFontDefaults = new FontDefaults();
646 mImpl->mFontDefaults->mFontDescription.slant = slant;
647 mImpl->mFontDefaults->slantDefined = true;
649 // Clear the font-specific data
652 mImpl->RequestRelayout();
655 bool Controller::IsDefaultFontSlantDefined() const
657 return mImpl->mFontDefaults->slantDefined;
660 FontSlant Controller::GetDefaultFontSlant() const
662 if( NULL != mImpl->mFontDefaults )
664 return mImpl->mFontDefaults->mFontDescription.slant;
667 return TextAbstraction::FontSlant::NORMAL;
670 void Controller::SetDefaultPointSize( float pointSize )
672 if( NULL == mImpl->mFontDefaults )
674 mImpl->mFontDefaults = new FontDefaults();
677 mImpl->mFontDefaults->mDefaultPointSize = pointSize;
678 mImpl->mFontDefaults->sizeDefined = true;
680 // Clear the font-specific data
683 mImpl->RequestRelayout();
686 float Controller::GetDefaultPointSize() const
688 if( NULL != mImpl->mFontDefaults )
690 return mImpl->mFontDefaults->mDefaultPointSize;
696 void Controller::SetTextColor( const Vector4& textColor )
698 mImpl->mTextColor = textColor;
700 if( !mImpl->IsShowingPlaceholderText() )
702 mImpl->mVisualModel->SetTextColor( textColor );
704 mImpl->RequestRelayout();
708 const Vector4& Controller::GetTextColor() const
710 return mImpl->mTextColor;
713 void Controller::SetPlaceholderTextColor( const Vector4& textColor )
715 if( NULL != mImpl->mEventData )
717 mImpl->mEventData->mPlaceholderTextColor = textColor;
720 if( mImpl->IsShowingPlaceholderText() )
722 mImpl->mVisualModel->SetTextColor( textColor );
723 mImpl->RequestRelayout();
727 const Vector4& Controller::GetPlaceholderTextColor() const
729 if( NULL != mImpl->mEventData )
731 return mImpl->mEventData->mPlaceholderTextColor;
737 void Controller::SetShadowOffset( const Vector2& shadowOffset )
739 mImpl->mVisualModel->SetShadowOffset( shadowOffset );
741 mImpl->RequestRelayout();
744 const Vector2& Controller::GetShadowOffset() const
746 return mImpl->mVisualModel->GetShadowOffset();
749 void Controller::SetShadowColor( const Vector4& shadowColor )
751 mImpl->mVisualModel->SetShadowColor( shadowColor );
753 mImpl->RequestRelayout();
756 const Vector4& Controller::GetShadowColor() const
758 return mImpl->mVisualModel->GetShadowColor();
761 void Controller::SetDefaultShadowProperties( const std::string& shadowProperties )
763 if( NULL == mImpl->mShadowDefaults )
765 mImpl->mShadowDefaults = new ShadowDefaults();
768 mImpl->mShadowDefaults->properties = shadowProperties;
771 const std::string& Controller::GetDefaultShadowProperties() const
773 if( NULL != mImpl->mShadowDefaults )
775 return mImpl->mShadowDefaults->properties;
781 void Controller::SetUnderlineColor( const Vector4& color )
783 mImpl->mVisualModel->SetUnderlineColor( color );
785 mImpl->RequestRelayout();
788 const Vector4& Controller::GetUnderlineColor() const
790 return mImpl->mVisualModel->GetUnderlineColor();
793 void Controller::SetUnderlineEnabled( bool enabled )
795 mImpl->mVisualModel->SetUnderlineEnabled( enabled );
797 mImpl->RequestRelayout();
800 bool Controller::IsUnderlineEnabled() const
802 return mImpl->mVisualModel->IsUnderlineEnabled();
805 void Controller::SetUnderlineHeight( float height )
807 mImpl->mVisualModel->SetUnderlineHeight( height );
809 mImpl->RequestRelayout();
812 float Controller::GetUnderlineHeight() const
814 return mImpl->mVisualModel->GetUnderlineHeight();
817 void Controller::SetDefaultUnderlineProperties( const std::string& underlineProperties )
819 if( NULL == mImpl->mUnderlineDefaults )
821 mImpl->mUnderlineDefaults = new UnderlineDefaults();
824 mImpl->mUnderlineDefaults->properties = underlineProperties;
827 const std::string& Controller::GetDefaultUnderlineProperties() const
829 if( NULL != mImpl->mUnderlineDefaults )
831 return mImpl->mUnderlineDefaults->properties;
837 void Controller::SetDefaultEmbossProperties( const std::string& embossProperties )
839 if( NULL == mImpl->mEmbossDefaults )
841 mImpl->mEmbossDefaults = new EmbossDefaults();
844 mImpl->mEmbossDefaults->properties = embossProperties;
847 const std::string& Controller::GetDefaultEmbossProperties() const
849 if( NULL != mImpl->mEmbossDefaults )
851 return mImpl->mEmbossDefaults->properties;
857 void Controller::SetDefaultOutlineProperties( const std::string& outlineProperties )
859 if( NULL == mImpl->mOutlineDefaults )
861 mImpl->mOutlineDefaults = new OutlineDefaults();
864 mImpl->mOutlineDefaults->properties = outlineProperties;
867 const std::string& Controller::GetDefaultOutlineProperties() const
869 if( NULL != mImpl->mOutlineDefaults )
871 return mImpl->mOutlineDefaults->properties;
877 void Controller::SetDefaultLineSpacing( float lineSpacing )
879 //TODO finish implementation
880 mImpl->mLayoutEngine.SetDefaultLineSpacing( lineSpacing );
883 float Controller::GetDefaultLineSpacing() const
885 return mImpl->mLayoutEngine.GetDefaultLineSpacing();
888 void Controller::SetInputColor( const Vector4& color )
890 if( NULL != mImpl->mEventData )
892 mImpl->mEventData->mInputStyle.textColor = color;
893 mImpl->mEventData->mInputStyle.isDefaultColor = false;
895 if( EventData::SELECTING == mImpl->mEventData->mState )
897 const bool handlesCrossed = mImpl->mEventData->mLeftSelectionPosition > mImpl->mEventData->mRightSelectionPosition;
899 // Get start and end position of selection
900 const CharacterIndex startOfSelectedText = handlesCrossed ? mImpl->mEventData->mRightSelectionPosition : mImpl->mEventData->mLeftSelectionPosition;
901 const Length lengthOfSelectedText = ( handlesCrossed ? mImpl->mEventData->mLeftSelectionPosition : mImpl->mEventData->mRightSelectionPosition ) - startOfSelectedText;
903 // Add the color run.
904 const VectorBase::SizeType numberOfRuns = mImpl->mLogicalModel->mColorRuns.Count();
905 mImpl->mLogicalModel->mColorRuns.Resize( numberOfRuns + 1u );
907 ColorRun& colorRun = *( mImpl->mLogicalModel->mColorRuns.Begin() + numberOfRuns );
908 colorRun.color = color;
909 colorRun.characterRun.characterIndex = startOfSelectedText;
910 colorRun.characterRun.numberOfCharacters = lengthOfSelectedText;
912 // Request to relayout.
913 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | COLOR );
914 mImpl->RequestRelayout();
916 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
917 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
918 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
923 const Vector4& Controller::GetInputColor() const
925 if( NULL != mImpl->mEventData )
927 return mImpl->mEventData->mInputStyle.textColor;
930 // Return the default text's color if there is no EventData.
931 return mImpl->mTextColor;
935 void Controller::SetInputFontFamily( const std::string& fontFamily )
937 if( NULL != mImpl->mEventData )
939 mImpl->mEventData->mInputStyle.familyName = fontFamily;
940 mImpl->mEventData->mInputStyle.isFamilyDefined = true;
942 if( EventData::SELECTING == mImpl->mEventData->mState )
944 CharacterIndex startOfSelectedText = 0u;
945 Length lengthOfSelectedText = 0u;
946 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
947 mImpl->mLogicalModel,
949 lengthOfSelectedText );
951 fontDescriptionRun.familyLength = fontFamily.size();
952 fontDescriptionRun.familyName = new char[fontDescriptionRun.familyLength];
953 memcpy( fontDescriptionRun.familyName, fontFamily.c_str(), fontDescriptionRun.familyLength );
954 fontDescriptionRun.familyDefined = true;
956 // The memory allocated for the font family name is freed when the font description is removed from the logical model.
958 // Request to relayout.
959 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
967 mImpl->mRecalculateNaturalSize = true;
968 mImpl->RequestRelayout();
970 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
971 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
972 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
974 // As the font changes, recalculate the handle positions is needed.
975 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
976 mImpl->mEventData->mUpdateRightSelectionPosition = true;
977 mImpl->mEventData->mUpdateHighlightBox = true;
978 mImpl->mEventData->mScrollAfterUpdatePosition = true;
983 const std::string& Controller::GetInputFontFamily() const
985 if( NULL != mImpl->mEventData )
987 return mImpl->mEventData->mInputStyle.familyName;
990 // Return the default font's family if there is no EventData.
991 return GetDefaultFontFamily();
994 void Controller::SetInputFontWeight( FontWeight weight )
996 if( NULL != mImpl->mEventData )
998 mImpl->mEventData->mInputStyle.weight = weight;
999 mImpl->mEventData->mInputStyle.isWeightDefined = true;
1001 if( EventData::SELECTING == mImpl->mEventData->mState )
1003 CharacterIndex startOfSelectedText = 0u;
1004 Length lengthOfSelectedText = 0u;
1005 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
1006 mImpl->mLogicalModel,
1007 startOfSelectedText,
1008 lengthOfSelectedText );
1010 fontDescriptionRun.weight = weight;
1011 fontDescriptionRun.weightDefined = true;
1013 // Request to relayout.
1014 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1019 UPDATE_LAYOUT_SIZE |
1022 mImpl->mRecalculateNaturalSize = true;
1023 mImpl->RequestRelayout();
1025 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
1026 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
1027 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
1029 // As the font might change, recalculate the handle positions is needed.
1030 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
1031 mImpl->mEventData->mUpdateRightSelectionPosition = true;
1032 mImpl->mEventData->mUpdateHighlightBox = true;
1033 mImpl->mEventData->mScrollAfterUpdatePosition = true;
1038 bool Controller::IsInputFontWeightDefined() const
1040 bool defined = false;
1042 if( NULL != mImpl->mEventData )
1044 defined = mImpl->mEventData->mInputStyle.isWeightDefined;
1050 FontWeight Controller::GetInputFontWeight() const
1052 if( NULL != mImpl->mEventData )
1054 return mImpl->mEventData->mInputStyle.weight;
1057 return GetDefaultFontWeight();
1060 void Controller::SetInputFontWidth( FontWidth width )
1062 if( NULL != mImpl->mEventData )
1064 mImpl->mEventData->mInputStyle.width = width;
1065 mImpl->mEventData->mInputStyle.isWidthDefined = true;
1067 if( EventData::SELECTING == mImpl->mEventData->mState )
1069 CharacterIndex startOfSelectedText = 0u;
1070 Length lengthOfSelectedText = 0u;
1071 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
1072 mImpl->mLogicalModel,
1073 startOfSelectedText,
1074 lengthOfSelectedText );
1076 fontDescriptionRun.width = width;
1077 fontDescriptionRun.widthDefined = true;
1079 // Request to relayout.
1080 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1085 UPDATE_LAYOUT_SIZE |
1088 mImpl->mRecalculateNaturalSize = true;
1089 mImpl->RequestRelayout();
1091 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
1092 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
1093 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
1095 // As the font might change, recalculate the handle positions is needed.
1096 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
1097 mImpl->mEventData->mUpdateRightSelectionPosition = true;
1098 mImpl->mEventData->mUpdateHighlightBox = true;
1099 mImpl->mEventData->mScrollAfterUpdatePosition = true;
1104 bool Controller::IsInputFontWidthDefined() const
1106 bool defined = false;
1108 if( NULL != mImpl->mEventData )
1110 defined = mImpl->mEventData->mInputStyle.isWidthDefined;
1116 FontWidth Controller::GetInputFontWidth() const
1118 if( NULL != mImpl->mEventData )
1120 return mImpl->mEventData->mInputStyle.width;
1123 return GetDefaultFontWidth();
1126 void Controller::SetInputFontSlant( FontSlant slant )
1128 if( NULL != mImpl->mEventData )
1130 mImpl->mEventData->mInputStyle.slant = slant;
1131 mImpl->mEventData->mInputStyle.isSlantDefined = true;
1133 if( EventData::SELECTING == mImpl->mEventData->mState )
1135 CharacterIndex startOfSelectedText = 0u;
1136 Length lengthOfSelectedText = 0u;
1137 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
1138 mImpl->mLogicalModel,
1139 startOfSelectedText,
1140 lengthOfSelectedText );
1142 fontDescriptionRun.slant = slant;
1143 fontDescriptionRun.slantDefined = true;
1145 // Request to relayout.
1146 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1151 UPDATE_LAYOUT_SIZE |
1154 mImpl->mRecalculateNaturalSize = true;
1155 mImpl->RequestRelayout();
1157 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
1158 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
1159 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
1161 // As the font might change, recalculate the handle positions is needed.
1162 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
1163 mImpl->mEventData->mUpdateRightSelectionPosition = true;
1164 mImpl->mEventData->mUpdateHighlightBox = true;
1165 mImpl->mEventData->mScrollAfterUpdatePosition = true;
1170 bool Controller::IsInputFontSlantDefined() const
1172 bool defined = false;
1174 if( NULL != mImpl->mEventData )
1176 defined = mImpl->mEventData->mInputStyle.isSlantDefined;
1182 FontSlant Controller::GetInputFontSlant() const
1184 if( NULL != mImpl->mEventData )
1186 return mImpl->mEventData->mInputStyle.slant;
1189 return GetDefaultFontSlant();
1192 void Controller::SetInputFontPointSize( float size )
1194 if( NULL != mImpl->mEventData )
1196 mImpl->mEventData->mInputStyle.size = size;
1197 mImpl->mEventData->mInputStyle.isSizeDefined = true;
1199 if( EventData::SELECTING == mImpl->mEventData->mState )
1201 CharacterIndex startOfSelectedText = 0u;
1202 Length lengthOfSelectedText = 0u;
1203 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
1204 mImpl->mLogicalModel,
1205 startOfSelectedText,
1206 lengthOfSelectedText );
1208 fontDescriptionRun.size = static_cast<PointSize26Dot6>( size * 64.f );
1209 fontDescriptionRun.sizeDefined = true;
1211 // Request to relayout.
1212 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1217 UPDATE_LAYOUT_SIZE |
1220 mImpl->mRecalculateNaturalSize = true;
1221 mImpl->RequestRelayout();
1223 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
1224 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
1225 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
1227 // As the font might change, recalculate the handle positions is needed.
1228 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
1229 mImpl->mEventData->mUpdateRightSelectionPosition = true;
1230 mImpl->mEventData->mUpdateHighlightBox = true;
1231 mImpl->mEventData->mScrollAfterUpdatePosition = true;
1236 float Controller::GetInputFontPointSize() const
1238 if( NULL != mImpl->mEventData )
1240 return mImpl->mEventData->mInputStyle.size;
1243 // Return the default font's point size if there is no EventData.
1244 return GetDefaultPointSize();
1247 void Controller::SetInputLineSpacing( float lineSpacing )
1249 if( NULL != mImpl->mEventData )
1251 mImpl->mEventData->mInputStyle.lineSpacing = lineSpacing;
1252 mImpl->mEventData->mInputStyle.isLineSpacingDefined = true;
1256 float Controller::GetInputLineSpacing() const
1258 if( NULL != mImpl->mEventData )
1260 return mImpl->mEventData->mInputStyle.lineSpacing;
1266 void Controller::SetInputShadowProperties( const std::string& shadowProperties )
1268 if( NULL != mImpl->mEventData )
1270 mImpl->mEventData->mInputStyle.shadowProperties = shadowProperties;
1274 const std::string& Controller::GetInputShadowProperties() const
1276 if( NULL != mImpl->mEventData )
1278 return mImpl->mEventData->mInputStyle.shadowProperties;
1281 return GetDefaultShadowProperties();
1284 void Controller::SetInputUnderlineProperties( const std::string& underlineProperties )
1286 if( NULL != mImpl->mEventData )
1288 mImpl->mEventData->mInputStyle.underlineProperties = underlineProperties;
1292 const std::string& Controller::GetInputUnderlineProperties() const
1294 if( NULL != mImpl->mEventData )
1296 return mImpl->mEventData->mInputStyle.underlineProperties;
1299 return GetDefaultUnderlineProperties();
1302 void Controller::SetInputEmbossProperties( const std::string& embossProperties )
1304 if( NULL != mImpl->mEventData )
1306 mImpl->mEventData->mInputStyle.embossProperties = embossProperties;
1310 const std::string& Controller::GetInputEmbossProperties() const
1312 if( NULL != mImpl->mEventData )
1314 return mImpl->mEventData->mInputStyle.embossProperties;
1317 return GetDefaultEmbossProperties();
1320 void Controller::SetInputOutlineProperties( const std::string& outlineProperties )
1322 if( NULL != mImpl->mEventData )
1324 mImpl->mEventData->mInputStyle.outlineProperties = outlineProperties;
1328 const std::string& Controller::GetInputOutlineProperties() const
1330 if( NULL != mImpl->mEventData )
1332 return mImpl->mEventData->mInputStyle.outlineProperties;
1335 return GetDefaultOutlineProperties();
1338 // public : Queries & retrieves.
1340 LayoutEngine& Controller::GetLayoutEngine()
1342 return mImpl->mLayoutEngine;
1345 View& Controller::GetView()
1347 return mImpl->mView;
1350 const Vector2& Controller::GetScrollPosition() const
1352 return mImpl->mScrollPosition;
1355 Vector3 Controller::GetNaturalSize()
1357 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetNaturalSize\n" );
1358 Vector3 naturalSize;
1360 // Make sure the model is up-to-date before layouting
1361 ProcessModifyEvents();
1363 if( mImpl->mRecalculateNaturalSize )
1365 // Operations that can be done only once until the text changes.
1366 const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
1373 GET_GLYPH_METRICS );
1374 // Make sure the model is up-to-date before layouting
1375 mImpl->UpdateModel( onlyOnceOperations );
1377 // Layout the text for the new width.
1378 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | LAYOUT );
1380 // Set the update info to relayout the whole text.
1381 mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u;
1382 mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mLogicalModel->mText.Count();
1384 // Store the actual control's size to restore later.
1385 const Size actualControlSize = mImpl->mVisualModel->mControlSize;
1387 DoRelayout( Size( MAX_FLOAT, MAX_FLOAT ),
1388 static_cast<OperationsMask>( onlyOnceOperations |
1390 naturalSize.GetVectorXY() );
1392 // Do not do again the only once operations.
1393 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
1395 // Do the size related operations again.
1396 const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
1399 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
1401 // Stores the natural size to avoid recalculate it again
1402 // unless the text/style changes.
1403 mImpl->mVisualModel->SetNaturalSize( naturalSize.GetVectorXY() );
1405 mImpl->mRecalculateNaturalSize = false;
1407 // Clear the update info. This info will be set the next time the text is updated.
1408 mImpl->mTextUpdateInfo.Clear();
1410 // Restore the actual control's size.
1411 mImpl->mVisualModel->mControlSize = actualControlSize;
1413 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize calculated %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
1417 naturalSize = mImpl->mVisualModel->GetNaturalSize();
1419 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize cached %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
1422 naturalSize.x = ConvertToEven( naturalSize.x );
1423 naturalSize.y = ConvertToEven( naturalSize.y );
1428 float Controller::GetHeightForWidth( float width )
1430 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetHeightForWidth %p width %f\n", this, width );
1431 // Make sure the model is up-to-date before layouting
1432 ProcessModifyEvents();
1435 if( fabsf( width - mImpl->mVisualModel->mControlSize.width ) > Math::MACHINE_EPSILON_1000 )
1437 // Operations that can be done only once until the text changes.
1438 const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
1445 GET_GLYPH_METRICS );
1446 // Make sure the model is up-to-date before layouting
1447 mImpl->UpdateModel( onlyOnceOperations );
1450 // Layout the text for the new width.
1451 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | LAYOUT );
1453 // Set the update info to relayout the whole text.
1454 mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u;
1455 mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mLogicalModel->mText.Count();
1457 // Store the actual control's width.
1458 const float actualControlWidth = mImpl->mVisualModel->mControlSize.width;
1460 DoRelayout( Size( width, MAX_FLOAT ),
1461 static_cast<OperationsMask>( onlyOnceOperations |
1465 // Do not do again the only once operations.
1466 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
1468 // Do the size related operations again.
1469 const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
1473 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
1475 // Clear the update info. This info will be set the next time the text is updated.
1476 mImpl->mTextUpdateInfo.Clear();
1478 // Restore the actual control's width.
1479 mImpl->mVisualModel->mControlSize.width = actualControlWidth;
1481 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth calculated %f\n", layoutSize.height );
1485 layoutSize = mImpl->mVisualModel->GetLayoutSize();
1486 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth cached %f\n", layoutSize.height );
1489 return layoutSize.height;
1492 // public : Relayout.
1494 Controller::UpdateTextType Controller::Relayout( const Size& size )
1496 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::Relayout %p size %f,%f, autoScroll[%s]\n", this, size.width, size.height, (mImpl->mAutoScrollEnabled)?"true":"false" );
1498 UpdateTextType updateTextType = NONE_UPDATED;
1500 if( ( size.width < Math::MACHINE_EPSILON_1000 ) || ( size.height < Math::MACHINE_EPSILON_1000 ) )
1502 if( 0u != mImpl->mVisualModel->mGlyphPositions.Count() )
1504 mImpl->mVisualModel->mGlyphPositions.Clear();
1505 updateTextType = MODEL_UPDATED;
1508 // Clear the update info. This info will be set the next time the text is updated.
1509 mImpl->mTextUpdateInfo.Clear();
1511 // Not worth to relayout if width or height is equal to zero.
1512 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout (skipped)\n" );
1514 return updateTextType;
1517 // Whether a new size has been set.
1518 const bool newSize = ( size != mImpl->mVisualModel->mControlSize );
1522 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "new size (previous size %f,%f)\n", mImpl->mVisualModel->mControlSize.width, mImpl->mVisualModel->mControlSize.height );
1524 // Layout operations that need to be done if the size changes.
1525 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1528 UPDATE_LAYOUT_SIZE |
1530 // Set the update info to relayout the whole text.
1531 mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true;
1532 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
1535 // Whether there are modify events.
1536 if( 0u != mImpl->mModifyEvents.Count() )
1538 // Style operations that need to be done if the text is modified.
1539 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1543 // Make sure the model is up-to-date before layouting.
1544 ProcessModifyEvents();
1545 bool updated = mImpl->UpdateModel( mImpl->mOperationsPending );
1549 updated = DoRelayout( size,
1550 mImpl->mOperationsPending,
1551 layoutSize ) || updated;
1555 updateTextType = MODEL_UPDATED;
1558 // Do not re-do any operation until something changes.
1559 mImpl->mOperationsPending = NO_OPERATION;
1561 // Whether the text control is editable
1562 const bool isEditable = NULL != mImpl->mEventData;
1564 // Keep the current offset as it will be used to update the decorator's positions (if the size changes).
1566 if( newSize && isEditable )
1568 offset = mImpl->mScrollPosition;
1571 if( !isEditable || !IsMultiLineEnabled() )
1573 // After doing the text layout, the vertical offset to place the actor in the desired position can be calculated.
1574 CalculateVerticalOffset( size );
1581 // If there is a new size, the scroll position needs to be clamped.
1582 mImpl->ClampHorizontalScroll( layoutSize );
1584 // Update the decorator's positions is needed if there is a new size.
1585 mImpl->mEventData->mDecorator->UpdatePositions( mImpl->mScrollPosition - offset );
1588 // Move the cursor, grab handle etc.
1589 if( mImpl->ProcessInputEvents() )
1591 updateTextType = static_cast<UpdateTextType>( updateTextType | DECORATOR_UPDATED );
1595 // Clear the update info. This info will be set the next time the text is updated.
1596 mImpl->mTextUpdateInfo.Clear();
1597 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout\n" );
1599 return updateTextType;
1602 // public : Input style change signals.
1604 bool Controller::IsInputStyleChangedSignalsQueueEmpty()
1606 return ( NULL == mImpl->mEventData ) || ( 0u == mImpl->mEventData->mInputStyleChangedQueue.Count() );
1609 void Controller::ProcessInputStyleChangedSignals()
1611 if( NULL == mImpl->mEventData )
1617 for( Vector<InputStyle::Mask>::ConstIterator it = mImpl->mEventData->mInputStyleChangedQueue.Begin(),
1618 endIt = mImpl->mEventData->mInputStyleChangedQueue.End();
1622 const InputStyle::Mask mask = *it;
1624 if( NULL != mImpl->mEditableControlInterface )
1626 // Emit the input style changed signal.
1627 mImpl->mEditableControlInterface->InputStyleChanged( mask );
1631 mImpl->mEventData->mInputStyleChangedQueue.Clear();
1634 // public : Text-input Event Queuing.
1636 void Controller::KeyboardFocusGainEvent()
1638 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusGainEvent" );
1640 if( NULL != mImpl->mEventData )
1642 if( ( EventData::INACTIVE == mImpl->mEventData->mState ) ||
1643 ( EventData::INTERRUPTED == mImpl->mEventData->mState ) )
1645 mImpl->ChangeState( EventData::EDITING );
1646 mImpl->mEventData->mUpdateCursorPosition = true; //If editing started without tap event, cursor update must be triggered.
1647 mImpl->mEventData->mUpdateInputStyle = true;
1649 mImpl->NotifyImfMultiLineStatus();
1650 if( mImpl->IsShowingPlaceholderText() )
1652 // Show alternative placeholder-text when editing
1653 ShowPlaceholderText();
1656 mImpl->RequestRelayout();
1660 void Controller::KeyboardFocusLostEvent()
1662 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusLostEvent" );
1664 if( NULL != mImpl->mEventData )
1666 if( EventData::INTERRUPTED != mImpl->mEventData->mState )
1668 mImpl->ChangeState( EventData::INACTIVE );
1670 if( !mImpl->IsShowingRealText() )
1672 // Revert to regular placeholder-text when not editing
1673 ShowPlaceholderText();
1677 mImpl->RequestRelayout();
1680 bool Controller::KeyEvent( const Dali::KeyEvent& keyEvent )
1682 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyEvent" );
1684 bool textChanged( false );
1686 if( ( NULL != mImpl->mEventData ) &&
1687 ( keyEvent.state == KeyEvent::Down ) )
1689 int keyCode = keyEvent.keyCode;
1690 const std::string& keyString = keyEvent.keyPressed;
1692 // Pre-process to separate modifying events from non-modifying input events.
1693 if( Dali::DALI_KEY_ESCAPE == keyCode )
1695 // Escape key is a special case which causes focus loss
1696 KeyboardFocusLostEvent();
1698 else if( ( Dali::DALI_KEY_CURSOR_LEFT == keyCode ) ||
1699 ( Dali::DALI_KEY_CURSOR_RIGHT == keyCode ) ||
1700 ( Dali::DALI_KEY_CURSOR_UP == keyCode ) ||
1701 ( Dali::DALI_KEY_CURSOR_DOWN == keyCode ) )
1703 Event event( Event::CURSOR_KEY_EVENT );
1704 event.p1.mInt = keyCode;
1705 mImpl->mEventData->mEventQueue.push_back( event );
1707 else if( Dali::DALI_KEY_BACKSPACE == keyCode )
1709 textChanged = BackspaceKeyEvent();
1711 else if( IsKey( keyEvent, Dali::DALI_KEY_POWER ) )
1713 mImpl->ChangeState( EventData::INTERRUPTED ); // State is not INACTIVE as expect to return to edit mode.
1714 // Avoids calling the InsertText() method which can delete selected text
1716 else if( IsKey( keyEvent, Dali::DALI_KEY_MENU ) ||
1717 IsKey( keyEvent, Dali::DALI_KEY_HOME ) )
1719 mImpl->ChangeState( EventData::INACTIVE );
1720 // Menu/Home key behaviour does not allow edit mode to resume like Power key
1721 // Avoids calling the InsertText() method which can delete selected text
1723 else if( Dali::DALI_KEY_SHIFT_LEFT == keyCode )
1725 // DALI_KEY_SHIFT_LEFT is the key code for the Left Shift. It's sent (by the imf?) when the predictive text is enabled
1726 // and a character is typed after the type of a upper case latin character.
1732 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p keyString %s\n", this, keyString.c_str() );
1734 // IMF manager is no longer handling key-events
1735 mImpl->ClearPreEditFlag();
1737 InsertText( keyString, COMMIT );
1741 if ( ( mImpl->mEventData->mState != EventData::INTERRUPTED ) &&
1742 ( mImpl->mEventData->mState != EventData::INACTIVE ) &&
1743 ( Dali::DALI_KEY_SHIFT_LEFT != keyCode ) )
1745 // Should not change the state if the key is the shift send by the imf manager.
1746 // Otherwise, when the state is SELECTING the text controller can't send the right
1747 // surrounding info to the imf.
1748 mImpl->ChangeState( EventData::EDITING );
1751 mImpl->RequestRelayout();
1755 ( NULL != mImpl->mEditableControlInterface ) )
1757 // Do this last since it provides callbacks into application code
1758 mImpl->mEditableControlInterface->TextChanged();
1764 void Controller::TapEvent( unsigned int tapCount, float x, float y )
1766 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected TapEvent" );
1768 if( NULL != mImpl->mEventData )
1770 DALI_LOG_INFO( gLogFilter, Debug::Concise, "TapEvent state:%d \n", mImpl->mEventData->mState );
1771 EventData::State state( mImpl->mEventData->mState );
1772 bool relayoutNeeded( false ); // to avoid unnecessary relayouts when tapping an empty text-field
1774 if( mImpl->IsClipboardVisible() )
1776 if( EventData::INACTIVE == state || EventData::EDITING == state)
1778 mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE );
1780 relayoutNeeded = true;
1782 else if( 1u == tapCount )
1784 if( EventData::EDITING_WITH_POPUP == state || EventData::EDITING_WITH_PASTE_POPUP == state )
1786 mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE ); // If Popup shown hide it here so can be shown again if required.
1789 if( mImpl->IsShowingRealText() && ( EventData::INACTIVE != state ) )
1791 mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE );
1792 relayoutNeeded = true;
1796 if( mImpl->IsShowingPlaceholderText() && !mImpl->IsFocusedPlaceholderAvailable() )
1798 // Hide placeholder text
1802 if( EventData::INACTIVE == state )
1804 mImpl->ChangeState( EventData::EDITING );
1806 else if( !mImpl->IsClipboardEmpty() )
1808 mImpl->ChangeState( EventData::EDITING_WITH_POPUP );
1810 relayoutNeeded = true;
1813 else if( 2u == tapCount )
1815 if( mImpl->mEventData->mSelectionEnabled &&
1816 mImpl->IsShowingRealText() )
1818 SelectEvent( x, y, false );
1821 // Handles & cursors must be repositioned after Relayout() i.e. after the Model has been updated
1822 if( relayoutNeeded )
1824 Event event( Event::TAP_EVENT );
1825 event.p1.mUint = tapCount;
1826 event.p2.mFloat = x;
1827 event.p3.mFloat = y;
1828 mImpl->mEventData->mEventQueue.push_back( event );
1830 mImpl->RequestRelayout();
1834 // Reset keyboard as tap event has occurred.
1835 mImpl->ResetImfManager();
1838 void Controller::PanEvent( Gesture::State state, const Vector2& displacement )
1840 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected PanEvent" );
1842 if( NULL != mImpl->mEventData )
1844 Event event( Event::PAN_EVENT );
1845 event.p1.mInt = state;
1846 event.p2.mFloat = displacement.x;
1847 event.p3.mFloat = displacement.y;
1848 mImpl->mEventData->mEventQueue.push_back( event );
1850 mImpl->RequestRelayout();
1854 void Controller::LongPressEvent( Gesture::State state, float x, float y )
1856 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected LongPressEvent" );
1858 if( ( state == Gesture::Started ) &&
1859 ( NULL != mImpl->mEventData ) )
1861 if( !mImpl->IsShowingRealText() )
1863 Event event( Event::LONG_PRESS_EVENT );
1864 event.p1.mInt = state;
1865 mImpl->mEventData->mEventQueue.push_back( event );
1866 mImpl->RequestRelayout();
1870 // The 1st long-press on inactive text-field is treated as tap
1871 if( EventData::INACTIVE == mImpl->mEventData->mState )
1873 mImpl->ChangeState( EventData::EDITING );
1875 Event event( Event::TAP_EVENT );
1877 event.p2.mFloat = x;
1878 event.p3.mFloat = y;
1879 mImpl->mEventData->mEventQueue.push_back( event );
1881 mImpl->RequestRelayout();
1883 else if( !mImpl->IsClipboardVisible() )
1885 // Reset the imf manger to commit the pre-edit before selecting the text.
1886 mImpl->ResetImfManager();
1888 SelectEvent( x, y, false );
1894 ImfManager::ImfCallbackData Controller::OnImfEvent( ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent )
1896 // Whether the text needs to be relaid-out.
1897 bool requestRelayout = false;
1899 // Whether to retrieve the text and cursor position to be sent to the IMF manager.
1900 bool retrieveText = false;
1901 bool retrieveCursor = false;
1903 switch( imfEvent.eventName )
1905 case ImfManager::COMMIT:
1907 InsertText( imfEvent.predictiveString, Text::Controller::COMMIT );
1908 requestRelayout = true;
1909 retrieveCursor = true;
1912 case ImfManager::PREEDIT:
1914 InsertText( imfEvent.predictiveString, Text::Controller::PRE_EDIT );
1915 requestRelayout = true;
1916 retrieveCursor = true;
1919 case ImfManager::DELETESURROUNDING:
1921 const bool textDeleted = RemoveText( imfEvent.cursorOffset,
1922 imfEvent.numberOfChars,
1923 DONT_UPDATE_INPUT_STYLE );
1927 if( ( 0u != mImpl->mLogicalModel->mText.Count() ) ||
1928 !mImpl->IsPlaceholderAvailable() )
1930 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
1934 ShowPlaceholderText();
1936 mImpl->mEventData->mUpdateCursorPosition = true;
1937 mImpl->mEventData->mScrollAfterDelete = true;
1939 requestRelayout = true;
1943 case ImfManager::GETSURROUNDING:
1945 retrieveText = true;
1946 retrieveCursor = true;
1949 case ImfManager::VOID:
1956 if( requestRelayout )
1958 mImpl->mOperationsPending = ALL_OPERATIONS;
1959 mImpl->RequestRelayout();
1963 CharacterIndex cursorPosition = 0u;
1964 Length numberOfWhiteSpaces = 0u;
1966 if( retrieveCursor )
1968 numberOfWhiteSpaces = mImpl->GetNumberOfWhiteSpaces( 0u );
1970 cursorPosition = mImpl->GetLogicalCursorPosition();
1972 if( cursorPosition < numberOfWhiteSpaces )
1974 cursorPosition = 0u;
1978 cursorPosition -= numberOfWhiteSpaces;
1984 mImpl->GetText( numberOfWhiteSpaces, text );
1987 ImfManager::ImfCallbackData callbackData( ( retrieveText || retrieveCursor ), cursorPosition, text, false );
1989 if( requestRelayout &&
1990 ( NULL != mImpl->mEditableControlInterface ) )
1992 // Do this last since it provides callbacks into application code
1993 mImpl->mEditableControlInterface->TextChanged();
1996 return callbackData;
1999 void Controller::PasteClipboardItemEvent()
2001 // Retrieve the clipboard contents first
2002 ClipboardEventNotifier notifier( ClipboardEventNotifier::Get() );
2003 std::string stringToPaste( notifier.GetContent() );
2005 // Commit the current pre-edit text; the contents of the clipboard should be appended
2006 mImpl->ResetImfManager();
2008 // Temporary disable hiding clipboard
2009 mImpl->SetClipboardHideEnable( false );
2012 PasteText( stringToPaste );
2014 mImpl->SetClipboardHideEnable( true );
2017 // protected : Inherit from Text::Decorator::ControllerInterface.
2019 void Controller::GetTargetSize( Vector2& targetSize )
2021 targetSize = mImpl->mVisualModel->mControlSize;
2024 void Controller::AddDecoration( Actor& actor, bool needsClipping )
2026 if( NULL != mImpl->mEditableControlInterface )
2028 mImpl->mEditableControlInterface->AddDecoration( actor, needsClipping );
2032 void Controller::DecorationEvent( HandleType handleType, HandleState state, float x, float y )
2034 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected DecorationEvent" );
2036 if( NULL != mImpl->mEventData )
2038 switch( handleType )
2042 Event event( Event::GRAB_HANDLE_EVENT );
2043 event.p1.mUint = state;
2044 event.p2.mFloat = x;
2045 event.p3.mFloat = y;
2047 mImpl->mEventData->mEventQueue.push_back( event );
2050 case LEFT_SELECTION_HANDLE:
2052 Event event( Event::LEFT_SELECTION_HANDLE_EVENT );
2053 event.p1.mUint = state;
2054 event.p2.mFloat = x;
2055 event.p3.mFloat = y;
2057 mImpl->mEventData->mEventQueue.push_back( event );
2060 case RIGHT_SELECTION_HANDLE:
2062 Event event( Event::RIGHT_SELECTION_HANDLE_EVENT );
2063 event.p1.mUint = state;
2064 event.p2.mFloat = x;
2065 event.p3.mFloat = y;
2067 mImpl->mEventData->mEventQueue.push_back( event );
2070 case LEFT_SELECTION_HANDLE_MARKER:
2071 case RIGHT_SELECTION_HANDLE_MARKER:
2073 // Markers do not move the handles.
2076 case HANDLE_TYPE_COUNT:
2078 DALI_ASSERT_DEBUG( !"Controller::HandleEvent. Unexpected handle type" );
2082 mImpl->RequestRelayout();
2086 // protected : Inherit from TextSelectionPopup::TextPopupButtonCallbackInterface.
2088 void Controller::TextPopupButtonTouched( Dali::Toolkit::TextSelectionPopup::Buttons button )
2090 if( NULL == mImpl->mEventData )
2097 case Toolkit::TextSelectionPopup::CUT:
2099 mImpl->SendSelectionToClipboard( true ); // Synchronous call to modify text
2100 mImpl->mOperationsPending = ALL_OPERATIONS;
2102 if( ( 0u != mImpl->mLogicalModel->mText.Count() ) ||
2103 !mImpl->IsPlaceholderAvailable() )
2105 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
2109 ShowPlaceholderText();
2112 mImpl->mEventData->mUpdateCursorPosition = true;
2113 mImpl->mEventData->mScrollAfterDelete = true;
2115 mImpl->RequestRelayout();
2117 if( NULL != mImpl->mEditableControlInterface )
2119 mImpl->mEditableControlInterface->TextChanged();
2123 case Toolkit::TextSelectionPopup::COPY:
2125 mImpl->SendSelectionToClipboard( false ); // Text not modified
2127 mImpl->mEventData->mUpdateCursorPosition = true;
2129 mImpl->RequestRelayout(); // Cursor, Handles, Selection Highlight, Popup
2132 case Toolkit::TextSelectionPopup::PASTE:
2134 mImpl->RequestGetTextFromClipboard(); // Request clipboard service to retrieve an item
2137 case Toolkit::TextSelectionPopup::SELECT:
2139 const Vector2& currentCursorPosition = mImpl->mEventData->mDecorator->GetPosition( PRIMARY_CURSOR );
2141 if( mImpl->mEventData->mSelectionEnabled )
2143 // Creates a SELECT event.
2144 SelectEvent( currentCursorPosition.x, currentCursorPosition.y, false );
2148 case Toolkit::TextSelectionPopup::SELECT_ALL:
2150 // Creates a SELECT_ALL event
2151 SelectEvent( 0.f, 0.f, true );
2154 case Toolkit::TextSelectionPopup::CLIPBOARD:
2156 mImpl->ShowClipboard();
2159 case Toolkit::TextSelectionPopup::NONE:
2167 // private : Update.
2169 void Controller::InsertText( const std::string& text, Controller::InsertType type )
2171 bool removedPrevious( false );
2172 bool maxLengthReached( false );
2174 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected InsertText" )
2176 if( NULL == mImpl->mEventData )
2181 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::InsertText %p %s (%s) mPrimaryCursorPosition %d mPreEditFlag %d mPreEditStartPosition %d mPreEditLength %d\n",
2182 this, text.c_str(), (COMMIT == type ? "COMMIT" : "PRE_EDIT"),
2183 mImpl->mEventData->mPrimaryCursorPosition, mImpl->mEventData->mPreEditFlag, mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
2185 // TODO: At the moment the underline runs are only for pre-edit.
2186 mImpl->mVisualModel->mUnderlineRuns.Clear();
2188 // Keep the current number of characters.
2189 const Length currentNumberOfCharacters = mImpl->IsShowingRealText() ? mImpl->mLogicalModel->mText.Count() : 0u;
2191 // Remove the previous IMF pre-edit.
2192 if( mImpl->mEventData->mPreEditFlag && ( 0u != mImpl->mEventData->mPreEditLength ) )
2194 removedPrevious = RemoveText( -static_cast<int>( mImpl->mEventData->mPrimaryCursorPosition - mImpl->mEventData->mPreEditStartPosition ),
2195 mImpl->mEventData->mPreEditLength,
2196 DONT_UPDATE_INPUT_STYLE );
2198 mImpl->mEventData->mPrimaryCursorPosition = mImpl->mEventData->mPreEditStartPosition;
2199 mImpl->mEventData->mPreEditLength = 0u;
2203 // Remove the previous Selection.
2204 removedPrevious = RemoveSelectedText();
2207 Vector<Character> utf32Characters;
2208 Length characterCount = 0u;
2212 // Convert text into UTF-32
2213 utf32Characters.Resize( text.size() );
2215 // This is a bit horrible but std::string returns a (signed) char*
2216 const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
2218 // Transform a text array encoded in utf8 into an array encoded in utf32.
2219 // It returns the actual number of characters.
2220 characterCount = Utf8ToUtf32( utf8, text.size(), utf32Characters.Begin() );
2221 utf32Characters.Resize( characterCount );
2223 DALI_ASSERT_DEBUG( text.size() >= utf32Characters.Count() && "Invalid UTF32 conversion length" );
2224 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "UTF8 size %d, UTF32 size %d\n", text.size(), utf32Characters.Count() );
2227 if( 0u != utf32Characters.Count() ) // Check if Utf8ToUtf32 conversion succeeded
2229 // The placeholder text is no longer needed
2230 if( mImpl->IsShowingPlaceholderText() )
2235 mImpl->ChangeState( EventData::EDITING );
2237 // Handle the IMF (predicitive text) state changes
2238 if( COMMIT == type )
2240 // IMF manager is no longer handling key-events
2241 mImpl->ClearPreEditFlag();
2245 if( !mImpl->mEventData->mPreEditFlag )
2247 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Entered PreEdit state\n" );
2249 // Record the start of the pre-edit text
2250 mImpl->mEventData->mPreEditStartPosition = mImpl->mEventData->mPrimaryCursorPosition;
2253 mImpl->mEventData->mPreEditLength = utf32Characters.Count();
2254 mImpl->mEventData->mPreEditFlag = true;
2256 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "mPreEditStartPosition %d mPreEditLength %d\n", mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
2259 const Length numberOfCharactersInModel = mImpl->mLogicalModel->mText.Count();
2261 // Restrict new text to fit within Maximum characters setting.
2262 Length maxSizeOfNewText = std::min( ( mImpl->mMaximumNumberOfCharacters - numberOfCharactersInModel ), characterCount );
2263 maxLengthReached = ( characterCount > maxSizeOfNewText );
2265 // The cursor position.
2266 CharacterIndex& cursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
2268 // Update the text's style.
2270 // Updates the text style runs by adding characters.
2271 mImpl->mLogicalModel->UpdateTextStyleRuns( cursorIndex, maxSizeOfNewText );
2273 // Get the character index from the cursor index.
2274 const CharacterIndex styleIndex = ( cursorIndex > 0u ) ? cursorIndex - 1u : 0u;
2276 // Retrieve the text's style for the given index.
2278 mImpl->RetrieveDefaultInputStyle( style );
2279 mImpl->mLogicalModel->RetrieveStyle( styleIndex, style );
2281 // Whether to add a new text color run.
2282 const bool addColorRun = ( style.textColor != mImpl->mEventData->mInputStyle.textColor );
2284 // Whether to add a new font run.
2285 const bool addFontNameRun = style.familyName != mImpl->mEventData->mInputStyle.familyName;
2286 const bool addFontWeightRun = style.weight != mImpl->mEventData->mInputStyle.weight;
2287 const bool addFontWidthRun = style.width != mImpl->mEventData->mInputStyle.width;
2288 const bool addFontSlantRun = style.slant != mImpl->mEventData->mInputStyle.slant;
2289 const bool addFontSizeRun = style.size != mImpl->mEventData->mInputStyle.size;
2294 const VectorBase::SizeType numberOfRuns = mImpl->mLogicalModel->mColorRuns.Count();
2295 mImpl->mLogicalModel->mColorRuns.Resize( numberOfRuns + 1u );
2297 ColorRun& colorRun = *( mImpl->mLogicalModel->mColorRuns.Begin() + numberOfRuns );
2298 colorRun.color = mImpl->mEventData->mInputStyle.textColor;
2299 colorRun.characterRun.characterIndex = cursorIndex;
2300 colorRun.characterRun.numberOfCharacters = maxSizeOfNewText;
2303 if( addFontNameRun ||
2309 const VectorBase::SizeType numberOfRuns = mImpl->mLogicalModel->mFontDescriptionRuns.Count();
2310 mImpl->mLogicalModel->mFontDescriptionRuns.Resize( numberOfRuns + 1u );
2312 FontDescriptionRun& fontDescriptionRun = *( mImpl->mLogicalModel->mFontDescriptionRuns.Begin() + numberOfRuns );
2314 if( addFontNameRun )
2316 fontDescriptionRun.familyLength = mImpl->mEventData->mInputStyle.familyName.size();
2317 fontDescriptionRun.familyName = new char[fontDescriptionRun.familyLength];
2318 memcpy( fontDescriptionRun.familyName, mImpl->mEventData->mInputStyle.familyName.c_str(), fontDescriptionRun.familyLength );
2319 fontDescriptionRun.familyDefined = true;
2321 // The memory allocated for the font family name is freed when the font description is removed from the logical model.
2324 if( addFontWeightRun )
2326 fontDescriptionRun.weight = mImpl->mEventData->mInputStyle.weight;
2327 fontDescriptionRun.weightDefined = true;
2330 if( addFontWidthRun )
2332 fontDescriptionRun.width = mImpl->mEventData->mInputStyle.width;
2333 fontDescriptionRun.widthDefined = true;
2336 if( addFontSlantRun )
2338 fontDescriptionRun.slant = mImpl->mEventData->mInputStyle.slant;
2339 fontDescriptionRun.slantDefined = true;
2342 if( addFontSizeRun )
2344 fontDescriptionRun.size = static_cast<PointSize26Dot6>( mImpl->mEventData->mInputStyle.size * 64.f );
2345 fontDescriptionRun.sizeDefined = true;
2348 fontDescriptionRun.characterRun.characterIndex = cursorIndex;
2349 fontDescriptionRun.characterRun.numberOfCharacters = maxSizeOfNewText;
2352 // Insert at current cursor position.
2353 Vector<Character>& modifyText = mImpl->mLogicalModel->mText;
2355 if( cursorIndex < numberOfCharactersInModel )
2357 modifyText.Insert( modifyText.Begin() + cursorIndex, utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText );
2361 modifyText.Insert( modifyText.End(), utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText );
2364 // Mark the first paragraph to be updated.
2365 mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
2366 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd += maxSizeOfNewText;
2368 // Update the cursor index.
2369 cursorIndex += maxSizeOfNewText;
2371 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Inserted %d characters, new size %d new cursor %d\n", maxSizeOfNewText, mImpl->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition );
2374 const Length numberOfCharacters = mImpl->IsShowingRealText() ? mImpl->mLogicalModel->mText.Count() : 0u;
2376 if( ( 0u == mImpl->mLogicalModel->mText.Count() ) &&
2377 mImpl->IsPlaceholderAvailable() )
2379 // Show place-holder if empty after removing the pre-edit text
2380 ShowPlaceholderText();
2381 mImpl->mEventData->mUpdateCursorPosition = true;
2382 mImpl->ClearPreEditFlag();
2384 else if( removedPrevious ||
2385 ( 0 != utf32Characters.Count() ) )
2387 // Queue an inserted event
2388 mImpl->QueueModifyEvent( ModifyEvent::TEXT_INSERTED );
2390 mImpl->mEventData->mUpdateCursorPosition = true;
2391 if( numberOfCharacters < currentNumberOfCharacters )
2393 mImpl->mEventData->mScrollAfterDelete = true;
2397 mImpl->mEventData->mScrollAfterUpdatePosition = true;
2401 if( maxLengthReached )
2403 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "MaxLengthReached (%d)\n", mImpl->mLogicalModel->mText.Count() );
2405 mImpl->ResetImfManager();
2407 if( NULL != mImpl->mEditableControlInterface )
2409 // Do this last since it provides callbacks into application code
2410 mImpl->mEditableControlInterface->MaxLengthReached();
2415 void Controller::PasteText( const std::string& stringToPaste )
2417 InsertText( stringToPaste, Text::Controller::COMMIT );
2418 mImpl->ChangeState( EventData::EDITING );
2419 mImpl->RequestRelayout();
2421 if( NULL != mImpl->mEditableControlInterface )
2423 // Do this last since it provides callbacks into application code
2424 mImpl->mEditableControlInterface->TextChanged();
2428 bool Controller::RemoveText( int cursorOffset,
2429 int numberOfCharacters,
2430 UpdateInputStyleType type )
2432 bool removed = false;
2434 if( NULL == mImpl->mEventData )
2439 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p mText.Count() %d cursor %d cursorOffset %d numberOfCharacters %d\n",
2440 this, mImpl->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition, cursorOffset, numberOfCharacters );
2442 if( !mImpl->IsShowingPlaceholderText() )
2444 // Delete at current cursor position
2445 Vector<Character>& currentText = mImpl->mLogicalModel->mText;
2446 CharacterIndex& oldCursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
2448 CharacterIndex cursorIndex = oldCursorIndex;
2450 // Validate the cursor position & number of characters
2451 if( static_cast< CharacterIndex >( std::abs( cursorOffset ) ) <= cursorIndex )
2453 cursorIndex = oldCursorIndex + cursorOffset;
2456 if( ( cursorIndex + numberOfCharacters ) > currentText.Count() )
2458 numberOfCharacters = currentText.Count() - cursorIndex;
2461 if( ( cursorIndex + numberOfCharacters ) <= mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters )
2463 // Mark the paragraphs to be updated.
2464 mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
2465 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove += numberOfCharacters;
2467 // Update the input style and remove the text's style before removing the text.
2469 if( UPDATE_INPUT_STYLE == type )
2471 // Keep a copy of the current input style.
2472 InputStyle currentInputStyle;
2473 currentInputStyle.Copy( mImpl->mEventData->mInputStyle );
2475 // Set first the default input style.
2476 mImpl->RetrieveDefaultInputStyle( mImpl->mEventData->mInputStyle );
2478 // Update the input style.
2479 mImpl->mLogicalModel->RetrieveStyle( cursorIndex, mImpl->mEventData->mInputStyle );
2481 // Compare if the input style has changed.
2482 const bool hasInputStyleChanged = !currentInputStyle.Equal( mImpl->mEventData->mInputStyle );
2484 if( hasInputStyleChanged )
2486 const InputStyle::Mask styleChangedMask = currentInputStyle.GetInputStyleChangeMask( mImpl->mEventData->mInputStyle );
2487 // Queue the input style changed signal.
2488 mImpl->mEventData->mInputStyleChangedQueue.PushBack( styleChangedMask );
2492 // Updates the text style runs by removing characters. Runs with no characters are removed.
2493 mImpl->mLogicalModel->UpdateTextStyleRuns( cursorIndex, -numberOfCharacters );
2495 // Remove the characters.
2496 Vector<Character>::Iterator first = currentText.Begin() + cursorIndex;
2497 Vector<Character>::Iterator last = first + numberOfCharacters;
2499 currentText.Erase( first, last );
2501 // Cursor position retreat
2502 oldCursorIndex = cursorIndex;
2504 mImpl->mEventData->mScrollAfterDelete = true;
2506 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p removed %d\n", this, numberOfCharacters );
2514 bool Controller::RemoveSelectedText()
2516 bool textRemoved( false );
2518 if( EventData::SELECTING == mImpl->mEventData->mState )
2520 std::string removedString;
2521 mImpl->RetrieveSelection( removedString, true );
2523 if( !removedString.empty() )
2526 mImpl->ChangeState( EventData::EDITING );
2533 // private : Relayout.
2535 bool Controller::DoRelayout( const Size& size,
2536 OperationsMask operationsRequired,
2539 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout %p size %f,%f\n", this, size.width, size.height );
2540 bool viewUpdated( false );
2542 // Calculate the operations to be done.
2543 const OperationsMask operations = static_cast<OperationsMask>( mImpl->mOperationsPending & operationsRequired );
2545 const CharacterIndex startIndex = mImpl->mTextUpdateInfo.mParagraphCharacterIndex;
2546 const Length requestedNumberOfCharacters = mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters;
2548 // Get the current layout size.
2549 layoutSize = mImpl->mVisualModel->GetLayoutSize();
2551 if( NO_OPERATION != ( LAYOUT & operations ) )
2553 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout LAYOUT & operations\n");
2555 // Some vectors with data needed to layout and reorder may be void
2556 // after the first time the text has been laid out.
2557 // Fill the vectors again.
2559 // Calculate the number of glyphs to layout.
2560 const Vector<GlyphIndex>& charactersToGlyph = mImpl->mVisualModel->mCharactersToGlyph;
2561 const Vector<Length>& glyphsPerCharacter = mImpl->mVisualModel->mGlyphsPerCharacter;
2562 const GlyphIndex* const charactersToGlyphBuffer = charactersToGlyph.Begin();
2563 const Length* const glyphsPerCharacterBuffer = glyphsPerCharacter.Begin();
2565 const CharacterIndex lastIndex = startIndex + ( ( requestedNumberOfCharacters > 0u ) ? requestedNumberOfCharacters - 1u : 0u );
2566 const GlyphIndex startGlyphIndex = mImpl->mTextUpdateInfo.mStartGlyphIndex;
2567 const Length numberOfGlyphs = ( requestedNumberOfCharacters > 0u ) ? *( charactersToGlyphBuffer + lastIndex ) + *( glyphsPerCharacterBuffer + lastIndex ) - startGlyphIndex : 0u;
2568 const Length totalNumberOfGlyphs = mImpl->mVisualModel->mGlyphs.Count();
2570 if( 0u == totalNumberOfGlyphs )
2572 if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) )
2574 mImpl->mVisualModel->SetLayoutSize( Size::ZERO );
2577 // Nothing else to do if there is no glyphs.
2578 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout no glyphs, view updated true\n" );
2582 const Vector<LineBreakInfo>& lineBreakInfo = mImpl->mLogicalModel->mLineBreakInfo;
2583 const Vector<WordBreakInfo>& wordBreakInfo = mImpl->mLogicalModel->mWordBreakInfo;
2584 const Vector<CharacterDirection>& characterDirection = mImpl->mLogicalModel->mCharacterDirections;
2585 const Vector<GlyphInfo>& glyphs = mImpl->mVisualModel->mGlyphs;
2586 const Vector<CharacterIndex>& glyphsToCharactersMap = mImpl->mVisualModel->mGlyphsToCharacters;
2587 const Vector<Length>& charactersPerGlyph = mImpl->mVisualModel->mCharactersPerGlyph;
2588 const Character* const textBuffer = mImpl->mLogicalModel->mText.Begin();
2590 // Set the layout parameters.
2591 LayoutParameters layoutParameters( size,
2593 lineBreakInfo.Begin(),
2594 wordBreakInfo.Begin(),
2595 ( 0u != characterDirection.Count() ) ? characterDirection.Begin() : NULL,
2597 glyphsToCharactersMap.Begin(),
2598 charactersPerGlyph.Begin(),
2599 charactersToGlyphBuffer,
2600 glyphsPerCharacterBuffer,
2601 totalNumberOfGlyphs );
2603 // Resize the vector of positions to have the same size than the vector of glyphs.
2604 Vector<Vector2>& glyphPositions = mImpl->mVisualModel->mGlyphPositions;
2605 glyphPositions.Resize( totalNumberOfGlyphs );
2607 // Whether the last character is a new paragraph character.
2608 mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph = TextAbstraction::IsNewParagraph( *( textBuffer + ( mImpl->mLogicalModel->mText.Count() - 1u ) ) );
2609 layoutParameters.isLastNewParagraph = mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph;
2611 // The initial glyph and the number of glyphs to layout.
2612 layoutParameters.startGlyphIndex = startGlyphIndex;
2613 layoutParameters.numberOfGlyphs = numberOfGlyphs;
2614 layoutParameters.startLineIndex = mImpl->mTextUpdateInfo.mStartLineIndex;
2615 layoutParameters.estimatedNumberOfLines = mImpl->mTextUpdateInfo.mEstimatedNumberOfLines;
2617 // Update the visual model.
2619 viewUpdated = mImpl->mLayoutEngine.LayoutText( layoutParameters,
2621 mImpl->mVisualModel->mLines,
2624 viewUpdated = viewUpdated || ( newLayoutSize != layoutSize );
2628 layoutSize = newLayoutSize;
2630 if ( NO_OPERATION != ( UPDATE_DIRECTION & operations ) )
2632 mImpl->mAutoScrollDirectionRTL = false;
2635 // Reorder the lines
2636 if( NO_OPERATION != ( REORDER & operations ) )
2638 Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo = mImpl->mLogicalModel->mBidirectionalParagraphInfo;
2639 Vector<BidirectionalLineInfoRun>& bidirectionalLineInfo = mImpl->mLogicalModel->mBidirectionalLineInfo;
2641 // Check first if there are paragraphs with bidirectional info.
2642 if( 0u != bidirectionalInfo.Count() )
2645 const Length numberOfLines = mImpl->mVisualModel->mLines.Count();
2647 // Reorder the lines.
2648 bidirectionalLineInfo.Reserve( numberOfLines ); // Reserve because is not known yet how many lines have right to left characters.
2649 ReorderLines( bidirectionalInfo,
2651 requestedNumberOfCharacters,
2652 mImpl->mVisualModel->mLines,
2653 bidirectionalLineInfo );
2655 // Set the bidirectional info per line into the layout parameters.
2656 layoutParameters.lineBidirectionalInfoRunsBuffer = bidirectionalLineInfo.Begin();
2657 layoutParameters.numberOfBidirectionalInfoRuns = bidirectionalLineInfo.Count();
2659 // Re-layout the text. Reorder those lines with right to left characters.
2660 mImpl->mLayoutEngine.ReLayoutRightToLeftLines( layoutParameters,
2662 requestedNumberOfCharacters,
2665 if ( ( NO_OPERATION != ( UPDATE_DIRECTION & operations ) ) && ( numberOfLines > 0 ) )
2667 const LineRun* const firstline = mImpl->mVisualModel->mLines.Begin();
2670 mImpl->mAutoScrollDirectionRTL = firstline->direction;
2676 // Sets the layout size.
2677 if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) )
2679 mImpl->mVisualModel->SetLayoutSize( layoutSize );
2683 // Store the size used to layout the text.
2684 mImpl->mVisualModel->mControlSize = size;
2687 if( NO_OPERATION != ( ALIGN & operations ) )
2689 // The laid-out lines.
2690 Vector<LineRun>& lines = mImpl->mVisualModel->mLines;
2692 mImpl->mLayoutEngine.Align( size,
2694 requestedNumberOfCharacters,
2699 #if defined(DEBUG_ENABLED)
2700 std::string currentText;
2701 GetText( currentText );
2702 DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::DoRelayout [%p] mImpl->mAutoScrollDirectionRTL[%s] [%s]\n", this, (mImpl->mAutoScrollDirectionRTL)?"true":"false", currentText.c_str() );
2704 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout, view updated %s\n", ( viewUpdated ? "true" : "false" ) );
2708 void Controller::CalculateVerticalOffset( const Size& controlSize )
2710 Size layoutSize = mImpl->mVisualModel->GetLayoutSize();
2712 if( fabsf( layoutSize.height ) < Math::MACHINE_EPSILON_1000 )
2714 // Get the line height of the default font.
2715 layoutSize.height = mImpl->GetDefaultFontLineHeight();
2718 switch( mImpl->mLayoutEngine.GetVerticalAlignment() )
2720 case LayoutEngine::VERTICAL_ALIGN_TOP:
2722 mImpl->mScrollPosition.y = 0.f;
2725 case LayoutEngine::VERTICAL_ALIGN_CENTER:
2727 mImpl->mScrollPosition.y = floorf( 0.5f * ( controlSize.height - layoutSize.height ) ); // try to avoid pixel alignment.
2730 case LayoutEngine::VERTICAL_ALIGN_BOTTOM:
2732 mImpl->mScrollPosition.y = controlSize.height - layoutSize.height;
2738 // private : Events.
2740 void Controller::ProcessModifyEvents()
2742 Vector<ModifyEvent>& events = mImpl->mModifyEvents;
2744 if( 0u == events.Count() )
2750 for( Vector<ModifyEvent>::ConstIterator it = events.Begin(),
2751 endIt = events.End();
2755 const ModifyEvent& event = *it;
2757 if( ModifyEvent::TEXT_REPLACED == event.type )
2759 // A (single) replace event should come first, otherwise we wasted time processing NOOP events
2760 DALI_ASSERT_DEBUG( it == events.Begin() && "Unexpected TEXT_REPLACED event" );
2762 TextReplacedEvent();
2764 else if( ModifyEvent::TEXT_INSERTED == event.type )
2766 TextInsertedEvent();
2768 else if( ModifyEvent::TEXT_DELETED == event.type )
2770 // Placeholder-text cannot be deleted
2771 if( !mImpl->IsShowingPlaceholderText() )
2778 if( NULL != mImpl->mEventData )
2780 // When the text is being modified, delay cursor blinking
2781 mImpl->mEventData->mDecorator->DelayCursorBlink();
2784 // Discard temporary text
2788 void Controller::TextReplacedEvent()
2790 // The natural size needs to be re-calculated.
2791 mImpl->mRecalculateNaturalSize = true;
2793 // Apply modifications to the model
2794 mImpl->mOperationsPending = ALL_OPERATIONS;
2797 void Controller::TextInsertedEvent()
2799 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextInsertedEvent" );
2801 if( NULL == mImpl->mEventData )
2806 // The natural size needs to be re-calculated.
2807 mImpl->mRecalculateNaturalSize = true;
2809 // Apply modifications to the model; TODO - Optimize this
2810 mImpl->mOperationsPending = ALL_OPERATIONS;
2813 void Controller::TextDeletedEvent()
2815 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextDeletedEvent" );
2817 if( NULL == mImpl->mEventData )
2822 // The natural size needs to be re-calculated.
2823 mImpl->mRecalculateNaturalSize = true;
2825 // Apply modifications to the model; TODO - Optimize this
2826 mImpl->mOperationsPending = ALL_OPERATIONS;
2829 void Controller::SelectEvent( float x, float y, bool selectAll )
2831 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SelectEvent\n" );
2833 if( NULL != mImpl->mEventData )
2837 Event event( Event::SELECT_ALL );
2838 mImpl->mEventData->mEventQueue.push_back( event );
2842 Event event( Event::SELECT );
2843 event.p2.mFloat = x;
2844 event.p3.mFloat = y;
2845 mImpl->mEventData->mEventQueue.push_back( event );
2848 mImpl->RequestRelayout();
2852 bool Controller::BackspaceKeyEvent()
2854 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p DALI_KEY_BACKSPACE\n", this );
2856 bool removed = false;
2858 if( NULL == mImpl->mEventData )
2863 // IMF manager is no longer handling key-events
2864 mImpl->ClearPreEditFlag();
2866 if( EventData::SELECTING == mImpl->mEventData->mState )
2868 removed = RemoveSelectedText();
2870 else if( mImpl->mEventData->mPrimaryCursorPosition > 0 )
2872 // Remove the character before the current cursor position
2873 removed = RemoveText( -1,
2875 UPDATE_INPUT_STYLE );
2880 if( ( 0u != mImpl->mLogicalModel->mText.Count() ) ||
2881 !mImpl->IsPlaceholderAvailable() )
2883 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
2887 ShowPlaceholderText();
2889 mImpl->mEventData->mUpdateCursorPosition = true;
2890 mImpl->mEventData->mScrollAfterDelete = true;
2896 // private : Helpers.
2898 void Controller::ResetText()
2901 mImpl->mLogicalModel->mText.Clear();
2903 // We have cleared everything including the placeholder-text
2904 mImpl->PlaceholderCleared();
2906 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
2907 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
2908 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = 0u;
2910 // Clear any previous text.
2911 mImpl->mTextUpdateInfo.mClearAll = true;
2913 // The natural size needs to be re-calculated.
2914 mImpl->mRecalculateNaturalSize = true;
2916 // Apply modifications to the model
2917 mImpl->mOperationsPending = ALL_OPERATIONS;
2920 void Controller::ShowPlaceholderText()
2922 if( mImpl->IsPlaceholderAvailable() )
2924 DALI_ASSERT_DEBUG( mImpl->mEventData && "No placeholder text available" );
2926 if( NULL == mImpl->mEventData )
2931 mImpl->mEventData->mIsShowingPlaceholderText = true;
2933 // Disable handles when showing place-holder text
2934 mImpl->mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
2935 mImpl->mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
2936 mImpl->mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
2938 const char* text( NULL );
2941 // TODO - Switch placeholder text styles when changing state
2942 if( ( EventData::INACTIVE != mImpl->mEventData->mState ) &&
2943 ( 0u != mImpl->mEventData->mPlaceholderTextActive.c_str() ) )
2945 text = mImpl->mEventData->mPlaceholderTextActive.c_str();
2946 size = mImpl->mEventData->mPlaceholderTextActive.size();
2950 text = mImpl->mEventData->mPlaceholderTextInactive.c_str();
2951 size = mImpl->mEventData->mPlaceholderTextInactive.size();
2954 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
2955 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
2957 // Reset model for showing placeholder.
2958 mImpl->mLogicalModel->mText.Clear();
2959 mImpl->mVisualModel->SetTextColor( mImpl->mEventData->mPlaceholderTextColor );
2961 // Convert text into UTF-32
2962 Vector<Character>& utf32Characters = mImpl->mLogicalModel->mText;
2963 utf32Characters.Resize( size );
2965 // This is a bit horrible but std::string returns a (signed) char*
2966 const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text );
2968 // Transform a text array encoded in utf8 into an array encoded in utf32.
2969 // It returns the actual number of characters.
2970 const Length characterCount = Utf8ToUtf32( utf8, size, utf32Characters.Begin() );
2971 utf32Characters.Resize( characterCount );
2973 // The characters to be added.
2974 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = characterCount;
2976 // Reset the cursor position
2977 mImpl->mEventData->mPrimaryCursorPosition = 0;
2979 // The natural size needs to be re-calculated.
2980 mImpl->mRecalculateNaturalSize = true;
2982 // Apply modifications to the model
2983 mImpl->mOperationsPending = ALL_OPERATIONS;
2985 // Update the rest of the model during size negotiation
2986 mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED );
2990 void Controller::ClearFontData()
2992 if( mImpl->mFontDefaults )
2994 mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
2997 // Set flags to update the model.
2998 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
2999 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
3000 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mLogicalModel->mText.Count();
3002 mImpl->mTextUpdateInfo.mClearAll = true;
3003 mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true;
3004 mImpl->mRecalculateNaturalSize = true;
3006 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
3011 UPDATE_LAYOUT_SIZE |
3016 void Controller::ClearStyleData()
3018 mImpl->mLogicalModel->mColorRuns.Clear();
3019 mImpl->mLogicalModel->ClearFontDescriptionRuns();
3022 void Controller::ResetCursorPosition( CharacterIndex cursorIndex )
3024 // Reset the cursor position
3025 if( NULL != mImpl->mEventData )
3027 mImpl->mEventData->mPrimaryCursorPosition = cursorIndex;
3029 // Update the cursor if it's in editing mode.
3030 if( EventData::IsEditingState( mImpl->mEventData->mState ) )
3032 mImpl->mEventData->mUpdateCursorPosition = true;
3037 void Controller::ResetScrollPosition()
3039 if( NULL != mImpl->mEventData )
3041 // Reset the scroll position.
3042 mImpl->mScrollPosition = Vector2::ZERO;
3043 mImpl->mEventData->mScrollAfterUpdatePosition = true;
3047 // private : Private contructors & copy operator.
3049 Controller::Controller()
3052 mImpl = new Controller::Impl( NULL, NULL );
3055 Controller::Controller( ControlInterface* controlInterface )
3057 mImpl = new Controller::Impl( controlInterface, NULL );
3060 Controller::Controller( ControlInterface* controlInterface,
3061 EditableControlInterface* editableControlInterface )
3063 mImpl = new Controller::Impl( controlInterface,
3064 editableControlInterface );
3067 // The copy constructor and operator are left unimplemented.
3069 // protected : Destructor.
3071 Controller::~Controller()
3078 } // namespace Toolkit