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;
1534 // Store the size used to layout the text.
1535 mImpl->mVisualModel->mControlSize = size;
1538 // Whether there are modify events.
1539 if( 0u != mImpl->mModifyEvents.Count() )
1541 // Style operations that need to be done if the text is modified.
1542 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1546 // Make sure the model is up-to-date before layouting.
1547 ProcessModifyEvents();
1548 bool updated = mImpl->UpdateModel( mImpl->mOperationsPending );
1552 updated = DoRelayout( size,
1553 mImpl->mOperationsPending,
1554 layoutSize ) || updated;
1558 updateTextType = MODEL_UPDATED;
1561 // Do not re-do any operation until something changes.
1562 mImpl->mOperationsPending = NO_OPERATION;
1564 // Whether the text control is editable
1565 const bool isEditable = NULL != mImpl->mEventData;
1567 // Keep the current offset as it will be used to update the decorator's positions (if the size changes).
1569 if( newSize && isEditable )
1571 offset = mImpl->mScrollPosition;
1574 if( !isEditable || !IsMultiLineEnabled() )
1576 // After doing the text layout, the vertical offset to place the actor in the desired position can be calculated.
1577 CalculateVerticalOffset( size );
1584 // If there is a new size, the scroll position needs to be clamped.
1585 mImpl->ClampHorizontalScroll( layoutSize );
1587 // Update the decorator's positions is needed if there is a new size.
1588 mImpl->mEventData->mDecorator->UpdatePositions( mImpl->mScrollPosition - offset );
1591 // Move the cursor, grab handle etc.
1592 if( mImpl->ProcessInputEvents() )
1594 updateTextType = static_cast<UpdateTextType>( updateTextType | DECORATOR_UPDATED );
1598 // Clear the update info. This info will be set the next time the text is updated.
1599 mImpl->mTextUpdateInfo.Clear();
1600 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout\n" );
1602 return updateTextType;
1605 // public : Input style change signals.
1607 bool Controller::IsInputStyleChangedSignalsQueueEmpty()
1609 return ( NULL == mImpl->mEventData ) || ( 0u == mImpl->mEventData->mInputStyleChangedQueue.Count() );
1612 void Controller::ProcessInputStyleChangedSignals()
1614 if( NULL == mImpl->mEventData )
1620 for( Vector<InputStyle::Mask>::ConstIterator it = mImpl->mEventData->mInputStyleChangedQueue.Begin(),
1621 endIt = mImpl->mEventData->mInputStyleChangedQueue.End();
1625 const InputStyle::Mask mask = *it;
1627 if( NULL != mImpl->mEditableControlInterface )
1629 // Emit the input style changed signal.
1630 mImpl->mEditableControlInterface->InputStyleChanged( mask );
1634 mImpl->mEventData->mInputStyleChangedQueue.Clear();
1637 // public : Text-input Event Queuing.
1639 void Controller::KeyboardFocusGainEvent()
1641 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusGainEvent" );
1643 if( NULL != mImpl->mEventData )
1645 if( ( EventData::INACTIVE == mImpl->mEventData->mState ) ||
1646 ( EventData::INTERRUPTED == mImpl->mEventData->mState ) )
1648 mImpl->ChangeState( EventData::EDITING );
1649 mImpl->mEventData->mUpdateCursorPosition = true; //If editing started without tap event, cursor update must be triggered.
1650 mImpl->mEventData->mUpdateInputStyle = true;
1652 mImpl->NotifyImfMultiLineStatus();
1653 if( mImpl->IsShowingPlaceholderText() )
1655 // Show alternative placeholder-text when editing
1656 ShowPlaceholderText();
1659 mImpl->RequestRelayout();
1663 void Controller::KeyboardFocusLostEvent()
1665 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusLostEvent" );
1667 if( NULL != mImpl->mEventData )
1669 if( EventData::INTERRUPTED != mImpl->mEventData->mState )
1671 mImpl->ChangeState( EventData::INACTIVE );
1673 if( !mImpl->IsShowingRealText() )
1675 // Revert to regular placeholder-text when not editing
1676 ShowPlaceholderText();
1680 mImpl->RequestRelayout();
1683 bool Controller::KeyEvent( const Dali::KeyEvent& keyEvent )
1685 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyEvent" );
1687 bool textChanged( false );
1689 if( ( NULL != mImpl->mEventData ) &&
1690 ( keyEvent.state == KeyEvent::Down ) )
1692 int keyCode = keyEvent.keyCode;
1693 const std::string& keyString = keyEvent.keyPressed;
1695 // Pre-process to separate modifying events from non-modifying input events.
1696 if( Dali::DALI_KEY_ESCAPE == keyCode )
1698 // Escape key is a special case which causes focus loss
1699 KeyboardFocusLostEvent();
1701 else if( ( Dali::DALI_KEY_CURSOR_LEFT == keyCode ) ||
1702 ( Dali::DALI_KEY_CURSOR_RIGHT == keyCode ) ||
1703 ( Dali::DALI_KEY_CURSOR_UP == keyCode ) ||
1704 ( Dali::DALI_KEY_CURSOR_DOWN == keyCode ) )
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->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->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->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->mVisualModel->mUnderlineRuns.Clear();
2191 // Keep the current number of characters.
2192 const Length currentNumberOfCharacters = mImpl->IsShowingRealText() ? mImpl->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->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->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->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->mLogicalModel->mColorRuns.Count();
2298 mImpl->mLogicalModel->mColorRuns.Resize( numberOfRuns + 1u );
2300 ColorRun& colorRun = *( mImpl->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->mLogicalModel->mFontDescriptionRuns.Count();
2313 mImpl->mLogicalModel->mFontDescriptionRuns.Resize( numberOfRuns + 1u );
2315 FontDescriptionRun& fontDescriptionRun = *( mImpl->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->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->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition );
2377 const Length numberOfCharacters = mImpl->IsShowingRealText() ? mImpl->mLogicalModel->mText.Count() : 0u;
2379 if( ( 0u == mImpl->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->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->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition, cursorOffset, numberOfCharacters );
2445 if( !mImpl->IsShowingPlaceholderText() )
2447 // Delete at current cursor position
2448 Vector<Character>& currentText = mImpl->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( ( cursorIndex + numberOfCharacters ) <= mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters )
2466 // Mark the paragraphs to be updated.
2467 mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
2468 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove += numberOfCharacters;
2470 // Update the input style and remove the text's style before removing the text.
2472 if( UPDATE_INPUT_STYLE == type )
2474 // Keep a copy of the current input style.
2475 InputStyle currentInputStyle;
2476 currentInputStyle.Copy( mImpl->mEventData->mInputStyle );
2478 // Set first the default input style.
2479 mImpl->RetrieveDefaultInputStyle( mImpl->mEventData->mInputStyle );
2481 // Update the input style.
2482 mImpl->mLogicalModel->RetrieveStyle( cursorIndex, mImpl->mEventData->mInputStyle );
2484 // Compare if the input style has changed.
2485 const bool hasInputStyleChanged = !currentInputStyle.Equal( mImpl->mEventData->mInputStyle );
2487 if( hasInputStyleChanged )
2489 const InputStyle::Mask styleChangedMask = currentInputStyle.GetInputStyleChangeMask( mImpl->mEventData->mInputStyle );
2490 // Queue the input style changed signal.
2491 mImpl->mEventData->mInputStyleChangedQueue.PushBack( styleChangedMask );
2495 // Updates the text style runs by removing characters. Runs with no characters are removed.
2496 mImpl->mLogicalModel->UpdateTextStyleRuns( cursorIndex, -numberOfCharacters );
2498 // Remove the characters.
2499 Vector<Character>::Iterator first = currentText.Begin() + cursorIndex;
2500 Vector<Character>::Iterator last = first + numberOfCharacters;
2502 currentText.Erase( first, last );
2504 // Cursor position retreat
2505 oldCursorIndex = cursorIndex;
2507 mImpl->mEventData->mScrollAfterDelete = true;
2509 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p removed %d\n", this, numberOfCharacters );
2517 bool Controller::RemoveSelectedText()
2519 bool textRemoved( false );
2521 if( EventData::SELECTING == mImpl->mEventData->mState )
2523 std::string removedString;
2524 mImpl->RetrieveSelection( removedString, true );
2526 if( !removedString.empty() )
2529 mImpl->ChangeState( EventData::EDITING );
2536 // private : Relayout.
2538 bool Controller::DoRelayout( const Size& size,
2539 OperationsMask operationsRequired,
2542 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout %p size %f,%f\n", this, size.width, size.height );
2543 bool viewUpdated( false );
2545 // Calculate the operations to be done.
2546 const OperationsMask operations = static_cast<OperationsMask>( mImpl->mOperationsPending & operationsRequired );
2548 const CharacterIndex startIndex = mImpl->mTextUpdateInfo.mParagraphCharacterIndex;
2549 const Length requestedNumberOfCharacters = mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters;
2551 // Get the current layout size.
2552 layoutSize = mImpl->mVisualModel->GetLayoutSize();
2554 if( NO_OPERATION != ( LAYOUT & operations ) )
2556 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout LAYOUT & operations\n");
2558 // Some vectors with data needed to layout and reorder may be void
2559 // after the first time the text has been laid out.
2560 // Fill the vectors again.
2562 // Calculate the number of glyphs to layout.
2563 const Vector<GlyphIndex>& charactersToGlyph = mImpl->mVisualModel->mCharactersToGlyph;
2564 const Vector<Length>& glyphsPerCharacter = mImpl->mVisualModel->mGlyphsPerCharacter;
2565 const GlyphIndex* const charactersToGlyphBuffer = charactersToGlyph.Begin();
2566 const Length* const glyphsPerCharacterBuffer = glyphsPerCharacter.Begin();
2568 const CharacterIndex lastIndex = startIndex + ( ( requestedNumberOfCharacters > 0u ) ? requestedNumberOfCharacters - 1u : 0u );
2569 const GlyphIndex startGlyphIndex = mImpl->mTextUpdateInfo.mStartGlyphIndex;
2570 const Length numberOfGlyphs = ( requestedNumberOfCharacters > 0u ) ? *( charactersToGlyphBuffer + lastIndex ) + *( glyphsPerCharacterBuffer + lastIndex ) - startGlyphIndex : 0u;
2571 const Length totalNumberOfGlyphs = mImpl->mVisualModel->mGlyphs.Count();
2573 if( 0u == totalNumberOfGlyphs )
2575 if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) )
2577 mImpl->mVisualModel->SetLayoutSize( Size::ZERO );
2580 // Nothing else to do if there is no glyphs.
2581 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout no glyphs, view updated true\n" );
2585 const Vector<LineBreakInfo>& lineBreakInfo = mImpl->mLogicalModel->mLineBreakInfo;
2586 const Vector<WordBreakInfo>& wordBreakInfo = mImpl->mLogicalModel->mWordBreakInfo;
2587 const Vector<CharacterDirection>& characterDirection = mImpl->mLogicalModel->mCharacterDirections;
2588 const Vector<GlyphInfo>& glyphs = mImpl->mVisualModel->mGlyphs;
2589 const Vector<CharacterIndex>& glyphsToCharactersMap = mImpl->mVisualModel->mGlyphsToCharacters;
2590 const Vector<Length>& charactersPerGlyph = mImpl->mVisualModel->mCharactersPerGlyph;
2591 const Character* const textBuffer = mImpl->mLogicalModel->mText.Begin();
2593 // Set the layout parameters.
2594 LayoutParameters layoutParameters( size,
2596 lineBreakInfo.Begin(),
2597 wordBreakInfo.Begin(),
2598 ( 0u != characterDirection.Count() ) ? characterDirection.Begin() : NULL,
2600 glyphsToCharactersMap.Begin(),
2601 charactersPerGlyph.Begin(),
2602 charactersToGlyphBuffer,
2603 glyphsPerCharacterBuffer,
2604 totalNumberOfGlyphs );
2606 // Resize the vector of positions to have the same size than the vector of glyphs.
2607 Vector<Vector2>& glyphPositions = mImpl->mVisualModel->mGlyphPositions;
2608 glyphPositions.Resize( totalNumberOfGlyphs );
2610 // Whether the last character is a new paragraph character.
2611 mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph = TextAbstraction::IsNewParagraph( *( textBuffer + ( mImpl->mLogicalModel->mText.Count() - 1u ) ) );
2612 layoutParameters.isLastNewParagraph = mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph;
2614 // The initial glyph and the number of glyphs to layout.
2615 layoutParameters.startGlyphIndex = startGlyphIndex;
2616 layoutParameters.numberOfGlyphs = numberOfGlyphs;
2617 layoutParameters.startLineIndex = mImpl->mTextUpdateInfo.mStartLineIndex;
2618 layoutParameters.estimatedNumberOfLines = mImpl->mTextUpdateInfo.mEstimatedNumberOfLines;
2620 // Update the visual model.
2622 viewUpdated = mImpl->mLayoutEngine.LayoutText( layoutParameters,
2624 mImpl->mVisualModel->mLines,
2627 viewUpdated = viewUpdated || ( newLayoutSize != layoutSize );
2631 layoutSize = newLayoutSize;
2633 if ( NO_OPERATION != ( UPDATE_DIRECTION & operations ) )
2635 mImpl->mAutoScrollDirectionRTL = false;
2638 // Reorder the lines
2639 if( NO_OPERATION != ( REORDER & operations ) )
2641 Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo = mImpl->mLogicalModel->mBidirectionalParagraphInfo;
2642 Vector<BidirectionalLineInfoRun>& bidirectionalLineInfo = mImpl->mLogicalModel->mBidirectionalLineInfo;
2644 // Check first if there are paragraphs with bidirectional info.
2645 if( 0u != bidirectionalInfo.Count() )
2648 const Length numberOfLines = mImpl->mVisualModel->mLines.Count();
2650 // Reorder the lines.
2651 bidirectionalLineInfo.Reserve( numberOfLines ); // Reserve because is not known yet how many lines have right to left characters.
2652 ReorderLines( bidirectionalInfo,
2654 requestedNumberOfCharacters,
2655 mImpl->mVisualModel->mLines,
2656 bidirectionalLineInfo );
2658 // Set the bidirectional info per line into the layout parameters.
2659 layoutParameters.lineBidirectionalInfoRunsBuffer = bidirectionalLineInfo.Begin();
2660 layoutParameters.numberOfBidirectionalInfoRuns = bidirectionalLineInfo.Count();
2662 // Re-layout the text. Reorder those lines with right to left characters.
2663 mImpl->mLayoutEngine.ReLayoutRightToLeftLines( layoutParameters,
2665 requestedNumberOfCharacters,
2668 if ( ( NO_OPERATION != ( UPDATE_DIRECTION & operations ) ) && ( numberOfLines > 0 ) )
2670 const LineRun* const firstline = mImpl->mVisualModel->mLines.Begin();
2673 mImpl->mAutoScrollDirectionRTL = firstline->direction;
2679 // Sets the layout size.
2680 if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) )
2682 mImpl->mVisualModel->SetLayoutSize( layoutSize );
2687 if( NO_OPERATION != ( ALIGN & operations ) )
2689 // The laid-out lines.
2690 Vector<LineRun>& lines = mImpl->mVisualModel->mLines;
2692 // Need to align with the control's size as the text may contain lines
2693 // starting either with left to right text or right to left.
2694 mImpl->mLayoutEngine.Align( size,
2696 requestedNumberOfCharacters,
2698 mImpl->mAlignmentOffset );
2702 #if defined(DEBUG_ENABLED)
2703 std::string currentText;
2704 GetText( currentText );
2705 DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::DoRelayout [%p] mImpl->mAutoScrollDirectionRTL[%s] [%s]\n", this, (mImpl->mAutoScrollDirectionRTL)?"true":"false", currentText.c_str() );
2707 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout, view updated %s\n", ( viewUpdated ? "true" : "false" ) );
2711 void Controller::CalculateVerticalOffset( const Size& controlSize )
2713 Size layoutSize = mImpl->mVisualModel->GetLayoutSize();
2715 if( fabsf( layoutSize.height ) < Math::MACHINE_EPSILON_1000 )
2717 // Get the line height of the default font.
2718 layoutSize.height = mImpl->GetDefaultFontLineHeight();
2721 switch( mImpl->mLayoutEngine.GetVerticalAlignment() )
2723 case LayoutEngine::VERTICAL_ALIGN_TOP:
2725 mImpl->mScrollPosition.y = 0.f;
2728 case LayoutEngine::VERTICAL_ALIGN_CENTER:
2730 mImpl->mScrollPosition.y = floorf( 0.5f * ( controlSize.height - layoutSize.height ) ); // try to avoid pixel alignment.
2733 case LayoutEngine::VERTICAL_ALIGN_BOTTOM:
2735 mImpl->mScrollPosition.y = controlSize.height - layoutSize.height;
2741 // private : Events.
2743 void Controller::ProcessModifyEvents()
2745 Vector<ModifyEvent>& events = mImpl->mModifyEvents;
2747 if( 0u == events.Count() )
2753 for( Vector<ModifyEvent>::ConstIterator it = events.Begin(),
2754 endIt = events.End();
2758 const ModifyEvent& event = *it;
2760 if( ModifyEvent::TEXT_REPLACED == event.type )
2762 // A (single) replace event should come first, otherwise we wasted time processing NOOP events
2763 DALI_ASSERT_DEBUG( it == events.Begin() && "Unexpected TEXT_REPLACED event" );
2765 TextReplacedEvent();
2767 else if( ModifyEvent::TEXT_INSERTED == event.type )
2769 TextInsertedEvent();
2771 else if( ModifyEvent::TEXT_DELETED == event.type )
2773 // Placeholder-text cannot be deleted
2774 if( !mImpl->IsShowingPlaceholderText() )
2781 if( NULL != mImpl->mEventData )
2783 // When the text is being modified, delay cursor blinking
2784 mImpl->mEventData->mDecorator->DelayCursorBlink();
2787 // Discard temporary text
2791 void Controller::TextReplacedEvent()
2793 // The natural size needs to be re-calculated.
2794 mImpl->mRecalculateNaturalSize = true;
2796 // Apply modifications to the model
2797 mImpl->mOperationsPending = ALL_OPERATIONS;
2800 void Controller::TextInsertedEvent()
2802 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextInsertedEvent" );
2804 if( NULL == mImpl->mEventData )
2809 // The natural size needs to be re-calculated.
2810 mImpl->mRecalculateNaturalSize = true;
2812 // Apply modifications to the model; TODO - Optimize this
2813 mImpl->mOperationsPending = ALL_OPERATIONS;
2816 void Controller::TextDeletedEvent()
2818 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextDeletedEvent" );
2820 if( NULL == mImpl->mEventData )
2825 // The natural size needs to be re-calculated.
2826 mImpl->mRecalculateNaturalSize = true;
2828 // Apply modifications to the model; TODO - Optimize this
2829 mImpl->mOperationsPending = ALL_OPERATIONS;
2832 void Controller::SelectEvent( float x, float y, bool selectAll )
2834 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SelectEvent\n" );
2836 if( NULL != mImpl->mEventData )
2840 Event event( Event::SELECT_ALL );
2841 mImpl->mEventData->mEventQueue.push_back( event );
2845 Event event( Event::SELECT );
2846 event.p2.mFloat = x;
2847 event.p3.mFloat = y;
2848 mImpl->mEventData->mEventQueue.push_back( event );
2851 mImpl->RequestRelayout();
2855 bool Controller::BackspaceKeyEvent()
2857 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p DALI_KEY_BACKSPACE\n", this );
2859 bool removed = false;
2861 if( NULL == mImpl->mEventData )
2866 // IMF manager is no longer handling key-events
2867 mImpl->ClearPreEditFlag();
2869 if( EventData::SELECTING == mImpl->mEventData->mState )
2871 removed = RemoveSelectedText();
2873 else if( mImpl->mEventData->mPrimaryCursorPosition > 0 )
2875 // Remove the character before the current cursor position
2876 removed = RemoveText( -1,
2878 UPDATE_INPUT_STYLE );
2883 if( ( 0u != mImpl->mLogicalModel->mText.Count() ) ||
2884 !mImpl->IsPlaceholderAvailable() )
2886 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
2890 ShowPlaceholderText();
2892 mImpl->mEventData->mUpdateCursorPosition = true;
2893 mImpl->mEventData->mScrollAfterDelete = true;
2899 // private : Helpers.
2901 void Controller::ResetText()
2904 mImpl->mLogicalModel->mText.Clear();
2906 // We have cleared everything including the placeholder-text
2907 mImpl->PlaceholderCleared();
2909 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
2910 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
2911 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = 0u;
2913 // Clear any previous text.
2914 mImpl->mTextUpdateInfo.mClearAll = true;
2916 // The natural size needs to be re-calculated.
2917 mImpl->mRecalculateNaturalSize = true;
2919 // Apply modifications to the model
2920 mImpl->mOperationsPending = ALL_OPERATIONS;
2923 void Controller::ShowPlaceholderText()
2925 if( mImpl->IsPlaceholderAvailable() )
2927 DALI_ASSERT_DEBUG( mImpl->mEventData && "No placeholder text available" );
2929 if( NULL == mImpl->mEventData )
2934 mImpl->mEventData->mIsShowingPlaceholderText = true;
2936 // Disable handles when showing place-holder text
2937 mImpl->mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
2938 mImpl->mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
2939 mImpl->mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
2941 const char* text( NULL );
2944 // TODO - Switch placeholder text styles when changing state
2945 if( ( EventData::INACTIVE != mImpl->mEventData->mState ) &&
2946 ( 0u != mImpl->mEventData->mPlaceholderTextActive.c_str() ) )
2948 text = mImpl->mEventData->mPlaceholderTextActive.c_str();
2949 size = mImpl->mEventData->mPlaceholderTextActive.size();
2953 text = mImpl->mEventData->mPlaceholderTextInactive.c_str();
2954 size = mImpl->mEventData->mPlaceholderTextInactive.size();
2957 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
2958 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
2960 // Reset model for showing placeholder.
2961 mImpl->mLogicalModel->mText.Clear();
2962 mImpl->mVisualModel->SetTextColor( mImpl->mEventData->mPlaceholderTextColor );
2964 // Convert text into UTF-32
2965 Vector<Character>& utf32Characters = mImpl->mLogicalModel->mText;
2966 utf32Characters.Resize( size );
2968 // This is a bit horrible but std::string returns a (signed) char*
2969 const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text );
2971 // Transform a text array encoded in utf8 into an array encoded in utf32.
2972 // It returns the actual number of characters.
2973 const Length characterCount = Utf8ToUtf32( utf8, size, utf32Characters.Begin() );
2974 utf32Characters.Resize( characterCount );
2976 // The characters to be added.
2977 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = characterCount;
2979 // Reset the cursor position
2980 mImpl->mEventData->mPrimaryCursorPosition = 0;
2982 // The natural size needs to be re-calculated.
2983 mImpl->mRecalculateNaturalSize = true;
2985 // Apply modifications to the model
2986 mImpl->mOperationsPending = ALL_OPERATIONS;
2988 // Update the rest of the model during size negotiation
2989 mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED );
2993 void Controller::ClearFontData()
2995 if( mImpl->mFontDefaults )
2997 mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
3000 // Set flags to update the model.
3001 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
3002 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
3003 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mLogicalModel->mText.Count();
3005 mImpl->mTextUpdateInfo.mClearAll = true;
3006 mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true;
3007 mImpl->mRecalculateNaturalSize = true;
3009 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
3014 UPDATE_LAYOUT_SIZE |
3019 void Controller::ClearStyleData()
3021 mImpl->mLogicalModel->mColorRuns.Clear();
3022 mImpl->mLogicalModel->ClearFontDescriptionRuns();
3025 void Controller::ResetCursorPosition( CharacterIndex cursorIndex )
3027 // Reset the cursor position
3028 if( NULL != mImpl->mEventData )
3030 mImpl->mEventData->mPrimaryCursorPosition = cursorIndex;
3032 // Update the cursor if it's in editing mode.
3033 if( EventData::IsEditingState( mImpl->mEventData->mState ) )
3035 mImpl->mEventData->mUpdateCursorPosition = true;
3040 void Controller::ResetScrollPosition()
3042 if( NULL != mImpl->mEventData )
3044 // Reset the scroll position.
3045 mImpl->mScrollPosition = Vector2::ZERO;
3046 mImpl->mEventData->mScrollAfterUpdatePosition = true;
3050 // private : Private contructors & copy operator.
3052 Controller::Controller()
3055 mImpl = new Controller::Impl( NULL, NULL );
3058 Controller::Controller( ControlInterface* controlInterface )
3060 mImpl = new Controller::Impl( controlInterface, NULL );
3063 Controller::Controller( ControlInterface* controlInterface,
3064 EditableControlInterface* editableControlInterface )
3066 mImpl = new Controller::Impl( controlInterface,
3067 editableControlInterface );
3070 // The copy constructor and operator are left unimplemented.
3072 // protected : Destructor.
3074 Controller::~Controller()
3081 } // namespace Toolkit