2 * Copyright (c) 2017 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali-toolkit/internal/text/text-controller.h>
24 #include <dali/public-api/adaptor-framework/key.h>
25 #include <dali/integration-api/debug.h>
26 #include <dali/devel-api/adaptor-framework/clipboard-event-notifier.h>
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 void Controller::SetNoTextDoubleTapAction( NoTextTap::Action action )
1340 if( NULL != mImpl->mEventData )
1342 mImpl->mEventData->mDoubleTapAction = action;
1346 Controller::NoTextTap::Action Controller::GetNoTextDoubleTapAction() const
1348 NoTextTap::Action action = NoTextTap::NO_ACTION;
1350 if( NULL != mImpl->mEventData )
1352 action = mImpl->mEventData->mDoubleTapAction;
1358 void Controller::SetNoTextLongPressAction( NoTextTap::Action action )
1360 if( NULL != mImpl->mEventData )
1362 mImpl->mEventData->mLongPressAction = action;
1366 Controller::NoTextTap::Action Controller::GetNoTextLongPressAction() const
1368 NoTextTap::Action action = NoTextTap::NO_ACTION;
1370 if( NULL != mImpl->mEventData )
1372 return mImpl->mEventData->mLongPressAction;
1378 // public : Queries & retrieves.
1380 LayoutEngine& Controller::GetLayoutEngine()
1382 return mImpl->mLayoutEngine;
1385 View& Controller::GetView()
1387 return mImpl->mView;
1390 const Vector2& Controller::GetScrollPosition() const
1392 return mImpl->mScrollPosition;
1395 Vector3 Controller::GetNaturalSize()
1397 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetNaturalSize\n" );
1398 Vector3 naturalSize;
1400 // Make sure the model is up-to-date before layouting
1401 ProcessModifyEvents();
1403 if( mImpl->mRecalculateNaturalSize )
1405 // Operations that can be done only once until the text changes.
1406 const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
1413 GET_GLYPH_METRICS );
1415 // Set the update info to relayout the whole text.
1416 mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u;
1417 mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mLogicalModel->mText.Count();
1419 // Make sure the model is up-to-date before layouting
1420 mImpl->UpdateModel( onlyOnceOperations );
1422 // Layout the text for the new width.
1423 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | LAYOUT );
1425 // Store the actual control's size to restore later.
1426 const Size actualControlSize = mImpl->mVisualModel->mControlSize;
1428 DoRelayout( Size( MAX_FLOAT, MAX_FLOAT ),
1429 static_cast<OperationsMask>( onlyOnceOperations |
1431 naturalSize.GetVectorXY() );
1433 // Do not do again the only once operations.
1434 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
1436 // Do the size related operations again.
1437 const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
1440 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
1442 // Stores the natural size to avoid recalculate it again
1443 // unless the text/style changes.
1444 mImpl->mVisualModel->SetNaturalSize( naturalSize.GetVectorXY() );
1446 mImpl->mRecalculateNaturalSize = false;
1448 // Clear the update info. This info will be set the next time the text is updated.
1449 mImpl->mTextUpdateInfo.Clear();
1451 // Restore the actual control's size.
1452 mImpl->mVisualModel->mControlSize = actualControlSize;
1454 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize calculated %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
1458 naturalSize = mImpl->mVisualModel->GetNaturalSize();
1460 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize cached %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
1463 naturalSize.x = ConvertToEven( naturalSize.x );
1464 naturalSize.y = ConvertToEven( naturalSize.y );
1469 float Controller::GetHeightForWidth( float width )
1471 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetHeightForWidth %p width %f\n", this, width );
1472 // Make sure the model is up-to-date before layouting
1473 ProcessModifyEvents();
1476 if( fabsf( width - mImpl->mVisualModel->mControlSize.width ) > Math::MACHINE_EPSILON_1000 )
1478 // Operations that can be done only once until the text changes.
1479 const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
1486 GET_GLYPH_METRICS );
1488 // Set the update info to relayout the whole text.
1489 mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u;
1490 mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mLogicalModel->mText.Count();
1492 // Make sure the model is up-to-date before layouting
1493 mImpl->UpdateModel( onlyOnceOperations );
1496 // Layout the text for the new width.
1497 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | LAYOUT );
1499 // Store the actual control's width.
1500 const float actualControlWidth = mImpl->mVisualModel->mControlSize.width;
1502 DoRelayout( Size( width, MAX_FLOAT ),
1503 static_cast<OperationsMask>( onlyOnceOperations |
1507 // Do not do again the only once operations.
1508 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
1510 // Do the size related operations again.
1511 const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
1515 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
1517 // Clear the update info. This info will be set the next time the text is updated.
1518 mImpl->mTextUpdateInfo.Clear();
1520 // Restore the actual control's width.
1521 mImpl->mVisualModel->mControlSize.width = actualControlWidth;
1523 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth calculated %f\n", layoutSize.height );
1527 layoutSize = mImpl->mVisualModel->GetLayoutSize();
1528 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth cached %f\n", layoutSize.height );
1531 return layoutSize.height;
1534 // public : Relayout.
1536 Controller::UpdateTextType Controller::Relayout( const Size& size )
1538 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::Relayout %p size %f,%f, autoScroll[%s]\n", this, size.width, size.height, (mImpl->mAutoScrollEnabled)?"true":"false" );
1540 UpdateTextType updateTextType = NONE_UPDATED;
1542 if( ( size.width < Math::MACHINE_EPSILON_1000 ) || ( size.height < Math::MACHINE_EPSILON_1000 ) )
1544 if( 0u != mImpl->mVisualModel->mGlyphPositions.Count() )
1546 mImpl->mVisualModel->mGlyphPositions.Clear();
1547 updateTextType = MODEL_UPDATED;
1550 // Clear the update info. This info will be set the next time the text is updated.
1551 mImpl->mTextUpdateInfo.Clear();
1553 // Not worth to relayout if width or height is equal to zero.
1554 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout (skipped)\n" );
1556 return updateTextType;
1559 // Whether a new size has been set.
1560 const bool newSize = ( size != mImpl->mVisualModel->mControlSize );
1564 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "new size (previous size %f,%f)\n", mImpl->mVisualModel->mControlSize.width, mImpl->mVisualModel->mControlSize.height );
1566 // Layout operations that need to be done if the size changes.
1567 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1570 UPDATE_LAYOUT_SIZE |
1572 // Set the update info to relayout the whole text.
1573 mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true;
1574 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
1576 // Store the size used to layout the text.
1577 mImpl->mVisualModel->mControlSize = size;
1580 // Whether there are modify events.
1581 if( 0u != mImpl->mModifyEvents.Count() )
1583 // Style operations that need to be done if the text is modified.
1584 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1588 // Make sure the model is up-to-date before layouting.
1589 ProcessModifyEvents();
1590 bool updated = mImpl->UpdateModel( mImpl->mOperationsPending );
1594 updated = DoRelayout( size,
1595 mImpl->mOperationsPending,
1596 layoutSize ) || updated;
1600 updateTextType = MODEL_UPDATED;
1603 // Do not re-do any operation until something changes.
1604 mImpl->mOperationsPending = NO_OPERATION;
1606 // Whether the text control is editable
1607 const bool isEditable = NULL != mImpl->mEventData;
1609 // Keep the current offset as it will be used to update the decorator's positions (if the size changes).
1611 if( newSize && isEditable )
1613 offset = mImpl->mScrollPosition;
1616 if( !isEditable || !IsMultiLineEnabled() )
1618 // After doing the text layout, the vertical offset to place the actor in the desired position can be calculated.
1619 CalculateVerticalOffset( size );
1626 // If there is a new size, the scroll position needs to be clamped.
1627 mImpl->ClampHorizontalScroll( layoutSize );
1629 // Update the decorator's positions is needed if there is a new size.
1630 mImpl->mEventData->mDecorator->UpdatePositions( mImpl->mScrollPosition - offset );
1633 // Move the cursor, grab handle etc.
1634 if( mImpl->ProcessInputEvents() )
1636 updateTextType = static_cast<UpdateTextType>( updateTextType | DECORATOR_UPDATED );
1640 // Clear the update info. This info will be set the next time the text is updated.
1641 mImpl->mTextUpdateInfo.Clear();
1642 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout\n" );
1644 return updateTextType;
1647 // public : Input style change signals.
1649 bool Controller::IsInputStyleChangedSignalsQueueEmpty()
1651 return ( NULL == mImpl->mEventData ) || ( 0u == mImpl->mEventData->mInputStyleChangedQueue.Count() );
1654 void Controller::ProcessInputStyleChangedSignals()
1656 if( NULL == mImpl->mEventData )
1662 for( Vector<InputStyle::Mask>::ConstIterator it = mImpl->mEventData->mInputStyleChangedQueue.Begin(),
1663 endIt = mImpl->mEventData->mInputStyleChangedQueue.End();
1667 const InputStyle::Mask mask = *it;
1669 if( NULL != mImpl->mEditableControlInterface )
1671 // Emit the input style changed signal.
1672 mImpl->mEditableControlInterface->InputStyleChanged( mask );
1676 mImpl->mEventData->mInputStyleChangedQueue.Clear();
1679 // public : Text-input Event Queuing.
1681 void Controller::KeyboardFocusGainEvent()
1683 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusGainEvent" );
1685 if( NULL != mImpl->mEventData )
1687 if( ( EventData::INACTIVE == mImpl->mEventData->mState ) ||
1688 ( EventData::INTERRUPTED == mImpl->mEventData->mState ) )
1690 mImpl->ChangeState( EventData::EDITING );
1691 mImpl->mEventData->mUpdateCursorPosition = true; //If editing started without tap event, cursor update must be triggered.
1692 mImpl->mEventData->mUpdateInputStyle = true;
1694 mImpl->NotifyImfMultiLineStatus();
1695 if( mImpl->IsShowingPlaceholderText() )
1697 // Show alternative placeholder-text when editing
1698 ShowPlaceholderText();
1701 mImpl->RequestRelayout();
1705 void Controller::KeyboardFocusLostEvent()
1707 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusLostEvent" );
1709 if( NULL != mImpl->mEventData )
1711 if( EventData::INTERRUPTED != mImpl->mEventData->mState )
1713 mImpl->ChangeState( EventData::INACTIVE );
1715 if( !mImpl->IsShowingRealText() )
1717 // Revert to regular placeholder-text when not editing
1718 ShowPlaceholderText();
1722 mImpl->RequestRelayout();
1725 bool Controller::KeyEvent( const Dali::KeyEvent& keyEvent )
1727 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyEvent" );
1729 bool textChanged( false );
1731 if( ( NULL != mImpl->mEventData ) &&
1732 ( keyEvent.state == KeyEvent::Down ) )
1734 int keyCode = keyEvent.keyCode;
1735 const std::string& keyString = keyEvent.keyPressed;
1737 // Pre-process to separate modifying events from non-modifying input events.
1738 if( Dali::DALI_KEY_ESCAPE == keyCode )
1740 // Escape key is a special case which causes focus loss
1741 KeyboardFocusLostEvent();
1743 else if( ( Dali::DALI_KEY_CURSOR_LEFT == keyCode ) ||
1744 ( Dali::DALI_KEY_CURSOR_RIGHT == keyCode ) ||
1745 ( Dali::DALI_KEY_CURSOR_UP == keyCode ) ||
1746 ( Dali::DALI_KEY_CURSOR_DOWN == keyCode ) )
1748 Event event( Event::CURSOR_KEY_EVENT );
1749 event.p1.mInt = keyCode;
1750 mImpl->mEventData->mEventQueue.push_back( event );
1752 else if( Dali::DALI_KEY_BACKSPACE == keyCode )
1754 textChanged = BackspaceKeyEvent();
1756 else if( IsKey( keyEvent, Dali::DALI_KEY_POWER ) ||
1757 IsKey( keyEvent, Dali::DALI_KEY_MENU ) ||
1758 IsKey( keyEvent, Dali::DALI_KEY_HOME ) )
1760 // Power key/Menu/Home key behaviour does not allow edit mode to resume.
1761 mImpl->ChangeState( EventData::INACTIVE );
1763 // This branch avoids calling the InsertText() method of the 'else' branch which can delete selected text.
1765 else if( Dali::DALI_KEY_SHIFT_LEFT == keyCode )
1767 // DALI_KEY_SHIFT_LEFT is the key code for the Left Shift. It's sent (by the imf?) when the predictive text is enabled
1768 // and a character is typed after the type of a upper case latin character.
1774 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p keyString %s\n", this, keyString.c_str() );
1776 // IMF manager is no longer handling key-events
1777 mImpl->ClearPreEditFlag();
1779 InsertText( keyString, COMMIT );
1783 if ( ( mImpl->mEventData->mState != EventData::INTERRUPTED ) &&
1784 ( mImpl->mEventData->mState != EventData::INACTIVE ) &&
1785 ( Dali::DALI_KEY_SHIFT_LEFT != keyCode ) )
1787 // Should not change the state if the key is the shift send by the imf manager.
1788 // Otherwise, when the state is SELECTING the text controller can't send the right
1789 // surrounding info to the imf.
1790 mImpl->ChangeState( EventData::EDITING );
1793 mImpl->RequestRelayout();
1797 ( NULL != mImpl->mEditableControlInterface ) )
1799 // Do this last since it provides callbacks into application code
1800 mImpl->mEditableControlInterface->TextChanged();
1806 void Controller::TapEvent( unsigned int tapCount, float x, float y )
1808 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected TapEvent" );
1810 if( NULL != mImpl->mEventData )
1812 DALI_LOG_INFO( gLogFilter, Debug::Concise, "TapEvent state:%d \n", mImpl->mEventData->mState );
1813 EventData::State state( mImpl->mEventData->mState );
1814 bool relayoutNeeded( false ); // to avoid unnecessary relayouts when tapping an empty text-field
1816 if( 1u == tapCount )
1818 if( EventData::EDITING_WITH_POPUP == state || EventData::EDITING_WITH_PASTE_POPUP == state )
1820 mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE ); // If Popup shown hide it here so can be shown again if required.
1823 if( mImpl->IsShowingRealText() && ( EventData::INACTIVE != state ) )
1825 mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE );
1826 relayoutNeeded = true;
1830 if( mImpl->IsShowingPlaceholderText() && !mImpl->IsFocusedPlaceholderAvailable() )
1832 // Hide placeholder text
1836 if( EventData::INACTIVE == state )
1838 mImpl->ChangeState( EventData::EDITING );
1840 else if( !mImpl->IsClipboardEmpty() )
1842 mImpl->ChangeState( EventData::EDITING_WITH_POPUP );
1844 relayoutNeeded = true;
1847 else if( 2u == tapCount )
1849 if( mImpl->mEventData->mSelectionEnabled &&
1850 mImpl->IsShowingRealText() )
1852 relayoutNeeded = true;
1853 mImpl->mEventData->mIsLeftHandleSelected = true;
1854 mImpl->mEventData->mIsRightHandleSelected = true;
1858 // Handles & cursors must be repositioned after Relayout() i.e. after the Model has been updated
1859 if( relayoutNeeded )
1861 Event event( Event::TAP_EVENT );
1862 event.p1.mUint = tapCount;
1863 event.p2.mFloat = x;
1864 event.p3.mFloat = y;
1865 mImpl->mEventData->mEventQueue.push_back( event );
1867 mImpl->RequestRelayout();
1871 // Reset keyboard as tap event has occurred.
1872 mImpl->ResetImfManager();
1875 void Controller::PanEvent( Gesture::State state, const Vector2& displacement )
1877 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected PanEvent" );
1879 if( NULL != mImpl->mEventData )
1881 Event event( Event::PAN_EVENT );
1882 event.p1.mInt = state;
1883 event.p2.mFloat = displacement.x;
1884 event.p3.mFloat = displacement.y;
1885 mImpl->mEventData->mEventQueue.push_back( event );
1887 mImpl->RequestRelayout();
1891 void Controller::LongPressEvent( Gesture::State state, float x, float y )
1893 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected LongPressEvent" );
1895 if( ( state == Gesture::Started ) &&
1896 ( NULL != mImpl->mEventData ) )
1898 // The 1st long-press on inactive text-field is treated as tap
1899 if( EventData::INACTIVE == mImpl->mEventData->mState )
1901 mImpl->ChangeState( EventData::EDITING );
1903 Event event( Event::TAP_EVENT );
1905 event.p2.mFloat = x;
1906 event.p3.mFloat = y;
1907 mImpl->mEventData->mEventQueue.push_back( event );
1909 mImpl->RequestRelayout();
1911 else if( !mImpl->IsShowingRealText() )
1913 Event event( Event::LONG_PRESS_EVENT );
1914 event.p1.mInt = state;
1915 event.p2.mFloat = x;
1916 event.p3.mFloat = y;
1917 mImpl->mEventData->mEventQueue.push_back( event );
1918 mImpl->RequestRelayout();
1922 // Reset the imf manager to commit the pre-edit before selecting the text.
1923 mImpl->ResetImfManager();
1925 Event event( Event::LONG_PRESS_EVENT );
1926 event.p1.mInt = state;
1927 event.p2.mFloat = x;
1928 event.p3.mFloat = y;
1929 mImpl->mEventData->mEventQueue.push_back( event );
1930 mImpl->RequestRelayout();
1932 mImpl->mEventData->mIsLeftHandleSelected = true;
1933 mImpl->mEventData->mIsRightHandleSelected = true;
1938 ImfManager::ImfCallbackData Controller::OnImfEvent( ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent )
1940 // Whether the text needs to be relaid-out.
1941 bool requestRelayout = false;
1943 // Whether to retrieve the text and cursor position to be sent to the IMF manager.
1944 bool retrieveText = false;
1945 bool retrieveCursor = false;
1947 switch( imfEvent.eventName )
1949 case ImfManager::COMMIT:
1951 InsertText( imfEvent.predictiveString, Text::Controller::COMMIT );
1952 requestRelayout = true;
1953 retrieveCursor = true;
1956 case ImfManager::PREEDIT:
1958 InsertText( imfEvent.predictiveString, Text::Controller::PRE_EDIT );
1959 requestRelayout = true;
1960 retrieveCursor = true;
1963 case ImfManager::DELETESURROUNDING:
1965 const bool textDeleted = RemoveText( imfEvent.cursorOffset,
1966 imfEvent.numberOfChars,
1967 DONT_UPDATE_INPUT_STYLE );
1971 if( ( 0u != mImpl->mLogicalModel->mText.Count() ) ||
1972 !mImpl->IsPlaceholderAvailable() )
1974 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
1978 ShowPlaceholderText();
1980 mImpl->mEventData->mUpdateCursorPosition = true;
1981 mImpl->mEventData->mScrollAfterDelete = true;
1983 requestRelayout = true;
1987 case ImfManager::GETSURROUNDING:
1989 retrieveText = true;
1990 retrieveCursor = true;
1993 case ImfManager::VOID:
2000 if( requestRelayout )
2002 mImpl->mOperationsPending = ALL_OPERATIONS;
2003 mImpl->RequestRelayout();
2007 CharacterIndex cursorPosition = 0u;
2008 Length numberOfWhiteSpaces = 0u;
2010 if( retrieveCursor )
2012 numberOfWhiteSpaces = mImpl->GetNumberOfWhiteSpaces( 0u );
2014 cursorPosition = mImpl->GetLogicalCursorPosition();
2016 if( cursorPosition < numberOfWhiteSpaces )
2018 cursorPosition = 0u;
2022 cursorPosition -= numberOfWhiteSpaces;
2028 mImpl->GetText( numberOfWhiteSpaces, text );
2031 ImfManager::ImfCallbackData callbackData( ( retrieveText || retrieveCursor ), cursorPosition, text, false );
2033 if( requestRelayout &&
2034 ( NULL != mImpl->mEditableControlInterface ) )
2036 // Do this last since it provides callbacks into application code
2037 mImpl->mEditableControlInterface->TextChanged();
2040 return callbackData;
2043 void Controller::PasteClipboardItemEvent()
2045 // Retrieve the clipboard contents first
2046 ClipboardEventNotifier notifier( ClipboardEventNotifier::Get() );
2047 std::string stringToPaste( notifier.GetContent() );
2049 // Commit the current pre-edit text; the contents of the clipboard should be appended
2050 mImpl->ResetImfManager();
2052 // Temporary disable hiding clipboard
2053 mImpl->SetClipboardHideEnable( false );
2056 PasteText( stringToPaste );
2058 mImpl->SetClipboardHideEnable( true );
2061 // protected : Inherit from Text::Decorator::ControllerInterface.
2063 void Controller::GetTargetSize( Vector2& targetSize )
2065 targetSize = mImpl->mVisualModel->mControlSize;
2068 void Controller::AddDecoration( Actor& actor, bool needsClipping )
2070 if( NULL != mImpl->mEditableControlInterface )
2072 mImpl->mEditableControlInterface->AddDecoration( actor, needsClipping );
2076 void Controller::DecorationEvent( HandleType handleType, HandleState state, float x, float y )
2078 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected DecorationEvent" );
2080 if( NULL != mImpl->mEventData )
2082 switch( handleType )
2086 Event event( Event::GRAB_HANDLE_EVENT );
2087 event.p1.mUint = state;
2088 event.p2.mFloat = x;
2089 event.p3.mFloat = y;
2091 mImpl->mEventData->mEventQueue.push_back( event );
2094 case LEFT_SELECTION_HANDLE:
2096 Event event( Event::LEFT_SELECTION_HANDLE_EVENT );
2097 event.p1.mUint = state;
2098 event.p2.mFloat = x;
2099 event.p3.mFloat = y;
2101 mImpl->mEventData->mEventQueue.push_back( event );
2104 case RIGHT_SELECTION_HANDLE:
2106 Event event( Event::RIGHT_SELECTION_HANDLE_EVENT );
2107 event.p1.mUint = state;
2108 event.p2.mFloat = x;
2109 event.p3.mFloat = y;
2111 mImpl->mEventData->mEventQueue.push_back( event );
2114 case LEFT_SELECTION_HANDLE_MARKER:
2115 case RIGHT_SELECTION_HANDLE_MARKER:
2117 // Markers do not move the handles.
2120 case HANDLE_TYPE_COUNT:
2122 DALI_ASSERT_DEBUG( !"Controller::HandleEvent. Unexpected handle type" );
2126 mImpl->RequestRelayout();
2130 // protected : Inherit from TextSelectionPopup::TextPopupButtonCallbackInterface.
2132 void Controller::TextPopupButtonTouched( Dali::Toolkit::TextSelectionPopup::Buttons button )
2134 if( NULL == mImpl->mEventData )
2141 case Toolkit::TextSelectionPopup::CUT:
2143 mImpl->SendSelectionToClipboard( true ); // Synchronous call to modify text
2144 mImpl->mOperationsPending = ALL_OPERATIONS;
2146 if( ( 0u != mImpl->mLogicalModel->mText.Count() ) ||
2147 !mImpl->IsPlaceholderAvailable() )
2149 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
2153 ShowPlaceholderText();
2156 mImpl->mEventData->mUpdateCursorPosition = true;
2157 mImpl->mEventData->mScrollAfterDelete = true;
2159 mImpl->RequestRelayout();
2161 if( NULL != mImpl->mEditableControlInterface )
2163 mImpl->mEditableControlInterface->TextChanged();
2167 case Toolkit::TextSelectionPopup::COPY:
2169 mImpl->SendSelectionToClipboard( false ); // Text not modified
2171 mImpl->mEventData->mUpdateCursorPosition = true;
2173 mImpl->RequestRelayout(); // Cursor, Handles, Selection Highlight, Popup
2176 case Toolkit::TextSelectionPopup::PASTE:
2178 mImpl->RequestGetTextFromClipboard(); // Request clipboard service to retrieve an item
2181 case Toolkit::TextSelectionPopup::SELECT:
2183 const Vector2& currentCursorPosition = mImpl->mEventData->mDecorator->GetPosition( PRIMARY_CURSOR );
2185 if( mImpl->mEventData->mSelectionEnabled )
2187 // Creates a SELECT event.
2188 SelectEvent( currentCursorPosition.x, currentCursorPosition.y, false );
2192 case Toolkit::TextSelectionPopup::SELECT_ALL:
2194 // Creates a SELECT_ALL event
2195 SelectEvent( 0.f, 0.f, true );
2198 case Toolkit::TextSelectionPopup::CLIPBOARD:
2200 mImpl->ShowClipboard();
2203 case Toolkit::TextSelectionPopup::NONE:
2211 // private : Update.
2213 void Controller::InsertText( const std::string& text, Controller::InsertType type )
2215 bool removedPrevious( false );
2216 bool maxLengthReached( false );
2218 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected InsertText" )
2220 if( NULL == mImpl->mEventData )
2225 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::InsertText %p %s (%s) mPrimaryCursorPosition %d mPreEditFlag %d mPreEditStartPosition %d mPreEditLength %d\n",
2226 this, text.c_str(), (COMMIT == type ? "COMMIT" : "PRE_EDIT"),
2227 mImpl->mEventData->mPrimaryCursorPosition, mImpl->mEventData->mPreEditFlag, mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
2229 // TODO: At the moment the underline runs are only for pre-edit.
2230 mImpl->mVisualModel->mUnderlineRuns.Clear();
2232 // Keep the current number of characters.
2233 const Length currentNumberOfCharacters = mImpl->IsShowingRealText() ? mImpl->mLogicalModel->mText.Count() : 0u;
2235 // Remove the previous IMF pre-edit.
2236 if( mImpl->mEventData->mPreEditFlag && ( 0u != mImpl->mEventData->mPreEditLength ) )
2238 removedPrevious = RemoveText( -static_cast<int>( mImpl->mEventData->mPrimaryCursorPosition - mImpl->mEventData->mPreEditStartPosition ),
2239 mImpl->mEventData->mPreEditLength,
2240 DONT_UPDATE_INPUT_STYLE );
2242 mImpl->mEventData->mPrimaryCursorPosition = mImpl->mEventData->mPreEditStartPosition;
2243 mImpl->mEventData->mPreEditLength = 0u;
2247 // Remove the previous Selection.
2248 removedPrevious = RemoveSelectedText();
2251 Vector<Character> utf32Characters;
2252 Length characterCount = 0u;
2256 // Convert text into UTF-32
2257 utf32Characters.Resize( text.size() );
2259 // This is a bit horrible but std::string returns a (signed) char*
2260 const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
2262 // Transform a text array encoded in utf8 into an array encoded in utf32.
2263 // It returns the actual number of characters.
2264 characterCount = Utf8ToUtf32( utf8, text.size(), utf32Characters.Begin() );
2265 utf32Characters.Resize( characterCount );
2267 DALI_ASSERT_DEBUG( text.size() >= utf32Characters.Count() && "Invalid UTF32 conversion length" );
2268 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "UTF8 size %d, UTF32 size %d\n", text.size(), utf32Characters.Count() );
2271 if( 0u != utf32Characters.Count() ) // Check if Utf8ToUtf32 conversion succeeded
2273 // The placeholder text is no longer needed
2274 if( mImpl->IsShowingPlaceholderText() )
2279 mImpl->ChangeState( EventData::EDITING );
2281 // Handle the IMF (predicitive text) state changes
2282 if( COMMIT == type )
2284 // IMF manager is no longer handling key-events
2285 mImpl->ClearPreEditFlag();
2289 if( !mImpl->mEventData->mPreEditFlag )
2291 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Entered PreEdit state\n" );
2293 // Record the start of the pre-edit text
2294 mImpl->mEventData->mPreEditStartPosition = mImpl->mEventData->mPrimaryCursorPosition;
2297 mImpl->mEventData->mPreEditLength = utf32Characters.Count();
2298 mImpl->mEventData->mPreEditFlag = true;
2300 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "mPreEditStartPosition %d mPreEditLength %d\n", mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
2303 const Length numberOfCharactersInModel = mImpl->mLogicalModel->mText.Count();
2305 // Restrict new text to fit within Maximum characters setting.
2306 Length maxSizeOfNewText = std::min( ( mImpl->mMaximumNumberOfCharacters - numberOfCharactersInModel ), characterCount );
2307 maxLengthReached = ( characterCount > maxSizeOfNewText );
2309 // The cursor position.
2310 CharacterIndex& cursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
2312 // Update the text's style.
2314 // Updates the text style runs by adding characters.
2315 mImpl->mLogicalModel->UpdateTextStyleRuns( cursorIndex, maxSizeOfNewText );
2317 // Get the character index from the cursor index.
2318 const CharacterIndex styleIndex = ( cursorIndex > 0u ) ? cursorIndex - 1u : 0u;
2320 // Retrieve the text's style for the given index.
2322 mImpl->RetrieveDefaultInputStyle( style );
2323 mImpl->mLogicalModel->RetrieveStyle( styleIndex, style );
2325 // Whether to add a new text color run.
2326 const bool addColorRun = ( style.textColor != mImpl->mEventData->mInputStyle.textColor );
2328 // Whether to add a new font run.
2329 const bool addFontNameRun = style.familyName != mImpl->mEventData->mInputStyle.familyName;
2330 const bool addFontWeightRun = style.weight != mImpl->mEventData->mInputStyle.weight;
2331 const bool addFontWidthRun = style.width != mImpl->mEventData->mInputStyle.width;
2332 const bool addFontSlantRun = style.slant != mImpl->mEventData->mInputStyle.slant;
2333 const bool addFontSizeRun = style.size != mImpl->mEventData->mInputStyle.size;
2338 const VectorBase::SizeType numberOfRuns = mImpl->mLogicalModel->mColorRuns.Count();
2339 mImpl->mLogicalModel->mColorRuns.Resize( numberOfRuns + 1u );
2341 ColorRun& colorRun = *( mImpl->mLogicalModel->mColorRuns.Begin() + numberOfRuns );
2342 colorRun.color = mImpl->mEventData->mInputStyle.textColor;
2343 colorRun.characterRun.characterIndex = cursorIndex;
2344 colorRun.characterRun.numberOfCharacters = maxSizeOfNewText;
2347 if( addFontNameRun ||
2353 const VectorBase::SizeType numberOfRuns = mImpl->mLogicalModel->mFontDescriptionRuns.Count();
2354 mImpl->mLogicalModel->mFontDescriptionRuns.Resize( numberOfRuns + 1u );
2356 FontDescriptionRun& fontDescriptionRun = *( mImpl->mLogicalModel->mFontDescriptionRuns.Begin() + numberOfRuns );
2358 if( addFontNameRun )
2360 fontDescriptionRun.familyLength = mImpl->mEventData->mInputStyle.familyName.size();
2361 fontDescriptionRun.familyName = new char[fontDescriptionRun.familyLength];
2362 memcpy( fontDescriptionRun.familyName, mImpl->mEventData->mInputStyle.familyName.c_str(), fontDescriptionRun.familyLength );
2363 fontDescriptionRun.familyDefined = true;
2365 // The memory allocated for the font family name is freed when the font description is removed from the logical model.
2368 if( addFontWeightRun )
2370 fontDescriptionRun.weight = mImpl->mEventData->mInputStyle.weight;
2371 fontDescriptionRun.weightDefined = true;
2374 if( addFontWidthRun )
2376 fontDescriptionRun.width = mImpl->mEventData->mInputStyle.width;
2377 fontDescriptionRun.widthDefined = true;
2380 if( addFontSlantRun )
2382 fontDescriptionRun.slant = mImpl->mEventData->mInputStyle.slant;
2383 fontDescriptionRun.slantDefined = true;
2386 if( addFontSizeRun )
2388 fontDescriptionRun.size = static_cast<PointSize26Dot6>( mImpl->mEventData->mInputStyle.size * 64.f );
2389 fontDescriptionRun.sizeDefined = true;
2392 fontDescriptionRun.characterRun.characterIndex = cursorIndex;
2393 fontDescriptionRun.characterRun.numberOfCharacters = maxSizeOfNewText;
2396 // Insert at current cursor position.
2397 Vector<Character>& modifyText = mImpl->mLogicalModel->mText;
2399 if( cursorIndex < numberOfCharactersInModel )
2401 modifyText.Insert( modifyText.Begin() + cursorIndex, utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText );
2405 modifyText.Insert( modifyText.End(), utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText );
2408 // Mark the first paragraph to be updated.
2409 if( LayoutEngine::SINGLE_LINE_BOX == mImpl->mLayoutEngine.GetLayout() )
2411 mImpl->mTextUpdateInfo.mCharacterIndex = 0;
2412 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
2413 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = numberOfCharactersInModel + maxSizeOfNewText;
2414 mImpl->mTextUpdateInfo.mClearAll = true;
2418 mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
2419 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd += maxSizeOfNewText;
2422 // Update the cursor index.
2423 cursorIndex += maxSizeOfNewText;
2425 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Inserted %d characters, new size %d new cursor %d\n", maxSizeOfNewText, mImpl->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition );
2428 const Length numberOfCharacters = mImpl->IsShowingRealText() ? mImpl->mLogicalModel->mText.Count() : 0u;
2430 if( ( 0u == mImpl->mLogicalModel->mText.Count() ) &&
2431 mImpl->IsPlaceholderAvailable() )
2433 // Show place-holder if empty after removing the pre-edit text
2434 ShowPlaceholderText();
2435 mImpl->mEventData->mUpdateCursorPosition = true;
2436 mImpl->ClearPreEditFlag();
2438 else if( removedPrevious ||
2439 ( 0 != utf32Characters.Count() ) )
2441 // Queue an inserted event
2442 mImpl->QueueModifyEvent( ModifyEvent::TEXT_INSERTED );
2444 mImpl->mEventData->mUpdateCursorPosition = true;
2445 if( numberOfCharacters < currentNumberOfCharacters )
2447 mImpl->mEventData->mScrollAfterDelete = true;
2451 mImpl->mEventData->mScrollAfterUpdatePosition = true;
2455 if( maxLengthReached )
2457 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "MaxLengthReached (%d)\n", mImpl->mLogicalModel->mText.Count() );
2459 mImpl->ResetImfManager();
2461 if( NULL != mImpl->mEditableControlInterface )
2463 // Do this last since it provides callbacks into application code
2464 mImpl->mEditableControlInterface->MaxLengthReached();
2469 void Controller::PasteText( const std::string& stringToPaste )
2471 InsertText( stringToPaste, Text::Controller::COMMIT );
2472 mImpl->ChangeState( EventData::EDITING );
2473 mImpl->RequestRelayout();
2475 if( NULL != mImpl->mEditableControlInterface )
2477 // Do this last since it provides callbacks into application code
2478 mImpl->mEditableControlInterface->TextChanged();
2482 bool Controller::RemoveText( int cursorOffset,
2483 int numberOfCharacters,
2484 UpdateInputStyleType type )
2486 bool removed = false;
2488 if( NULL == mImpl->mEventData )
2493 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p mText.Count() %d cursor %d cursorOffset %d numberOfCharacters %d\n",
2494 this, mImpl->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition, cursorOffset, numberOfCharacters );
2496 if( !mImpl->IsShowingPlaceholderText() )
2498 // Delete at current cursor position
2499 Vector<Character>& currentText = mImpl->mLogicalModel->mText;
2500 CharacterIndex& oldCursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
2502 CharacterIndex cursorIndex = oldCursorIndex;
2504 // Validate the cursor position & number of characters
2505 if( static_cast< CharacterIndex >( std::abs( cursorOffset ) ) <= cursorIndex )
2507 cursorIndex = oldCursorIndex + cursorOffset;
2510 if( ( cursorIndex + numberOfCharacters ) > currentText.Count() )
2512 numberOfCharacters = currentText.Count() - cursorIndex;
2515 if( mImpl->mEventData->mPreEditFlag || // If the preedit flag is enabled, it means two (or more) of them came together i.e. when two keys have been pressed at the same time.
2516 ( ( cursorIndex + numberOfCharacters ) <= mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters ) )
2518 // Mark the paragraphs to be updated.
2519 if( LayoutEngine::SINGLE_LINE_BOX == mImpl->mLayoutEngine.GetLayout() )
2521 mImpl->mTextUpdateInfo.mCharacterIndex = 0;
2522 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
2523 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters - numberOfCharacters;
2524 mImpl->mTextUpdateInfo.mClearAll = true;
2528 mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
2529 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove += numberOfCharacters;
2532 // Update the input style and remove the text's style before removing the text.
2534 if( UPDATE_INPUT_STYLE == type )
2536 // Keep a copy of the current input style.
2537 InputStyle currentInputStyle;
2538 currentInputStyle.Copy( mImpl->mEventData->mInputStyle );
2540 // Set first the default input style.
2541 mImpl->RetrieveDefaultInputStyle( mImpl->mEventData->mInputStyle );
2543 // Update the input style.
2544 mImpl->mLogicalModel->RetrieveStyle( cursorIndex, mImpl->mEventData->mInputStyle );
2546 // Compare if the input style has changed.
2547 const bool hasInputStyleChanged = !currentInputStyle.Equal( mImpl->mEventData->mInputStyle );
2549 if( hasInputStyleChanged )
2551 const InputStyle::Mask styleChangedMask = currentInputStyle.GetInputStyleChangeMask( mImpl->mEventData->mInputStyle );
2552 // Queue the input style changed signal.
2553 mImpl->mEventData->mInputStyleChangedQueue.PushBack( styleChangedMask );
2557 // Updates the text style runs by removing characters. Runs with no characters are removed.
2558 mImpl->mLogicalModel->UpdateTextStyleRuns( cursorIndex, -numberOfCharacters );
2560 // Remove the characters.
2561 Vector<Character>::Iterator first = currentText.Begin() + cursorIndex;
2562 Vector<Character>::Iterator last = first + numberOfCharacters;
2564 currentText.Erase( first, last );
2566 // Cursor position retreat
2567 oldCursorIndex = cursorIndex;
2569 mImpl->mEventData->mScrollAfterDelete = true;
2571 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p removed %d\n", this, numberOfCharacters );
2579 bool Controller::RemoveSelectedText()
2581 bool textRemoved( false );
2583 if( EventData::SELECTING == mImpl->mEventData->mState )
2585 std::string removedString;
2586 mImpl->RetrieveSelection( removedString, true );
2588 if( !removedString.empty() )
2591 mImpl->ChangeState( EventData::EDITING );
2598 // private : Relayout.
2600 bool Controller::DoRelayout( const Size& size,
2601 OperationsMask operationsRequired,
2604 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout %p size %f,%f\n", this, size.width, size.height );
2605 bool viewUpdated( false );
2607 // Calculate the operations to be done.
2608 const OperationsMask operations = static_cast<OperationsMask>( mImpl->mOperationsPending & operationsRequired );
2610 const CharacterIndex startIndex = mImpl->mTextUpdateInfo.mParagraphCharacterIndex;
2611 const Length requestedNumberOfCharacters = mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters;
2613 // Get the current layout size.
2614 layoutSize = mImpl->mVisualModel->GetLayoutSize();
2616 if( NO_OPERATION != ( LAYOUT & operations ) )
2618 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout LAYOUT & operations\n");
2620 // Some vectors with data needed to layout and reorder may be void
2621 // after the first time the text has been laid out.
2622 // Fill the vectors again.
2624 // Calculate the number of glyphs to layout.
2625 const Vector<GlyphIndex>& charactersToGlyph = mImpl->mVisualModel->mCharactersToGlyph;
2626 const Vector<Length>& glyphsPerCharacter = mImpl->mVisualModel->mGlyphsPerCharacter;
2627 const GlyphIndex* const charactersToGlyphBuffer = charactersToGlyph.Begin();
2628 const Length* const glyphsPerCharacterBuffer = glyphsPerCharacter.Begin();
2630 const CharacterIndex lastIndex = startIndex + ( ( requestedNumberOfCharacters > 0u ) ? requestedNumberOfCharacters - 1u : 0u );
2631 const GlyphIndex startGlyphIndex = mImpl->mTextUpdateInfo.mStartGlyphIndex;
2632 const Length numberOfGlyphs = ( requestedNumberOfCharacters > 0u ) ? *( charactersToGlyphBuffer + lastIndex ) + *( glyphsPerCharacterBuffer + lastIndex ) - startGlyphIndex : 0u;
2633 const Length totalNumberOfGlyphs = mImpl->mVisualModel->mGlyphs.Count();
2635 if( 0u == totalNumberOfGlyphs )
2637 if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) )
2639 mImpl->mVisualModel->SetLayoutSize( Size::ZERO );
2642 // Nothing else to do if there is no glyphs.
2643 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout no glyphs, view updated true\n" );
2647 const Vector<LineBreakInfo>& lineBreakInfo = mImpl->mLogicalModel->mLineBreakInfo;
2648 const Vector<WordBreakInfo>& wordBreakInfo = mImpl->mLogicalModel->mWordBreakInfo;
2649 const Vector<CharacterDirection>& characterDirection = mImpl->mLogicalModel->mCharacterDirections;
2650 const Vector<GlyphInfo>& glyphs = mImpl->mVisualModel->mGlyphs;
2651 const Vector<CharacterIndex>& glyphsToCharactersMap = mImpl->mVisualModel->mGlyphsToCharacters;
2652 const Vector<Length>& charactersPerGlyph = mImpl->mVisualModel->mCharactersPerGlyph;
2653 const Character* const textBuffer = mImpl->mLogicalModel->mText.Begin();
2655 // Set the layout parameters.
2656 LayoutParameters layoutParameters( size,
2658 lineBreakInfo.Begin(),
2659 wordBreakInfo.Begin(),
2660 ( 0u != characterDirection.Count() ) ? characterDirection.Begin() : NULL,
2662 glyphsToCharactersMap.Begin(),
2663 charactersPerGlyph.Begin(),
2664 charactersToGlyphBuffer,
2665 glyphsPerCharacterBuffer,
2666 totalNumberOfGlyphs );
2668 // Resize the vector of positions to have the same size than the vector of glyphs.
2669 Vector<Vector2>& glyphPositions = mImpl->mVisualModel->mGlyphPositions;
2670 glyphPositions.Resize( totalNumberOfGlyphs );
2672 // Whether the last character is a new paragraph character.
2673 mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph = TextAbstraction::IsNewParagraph( *( textBuffer + ( mImpl->mLogicalModel->mText.Count() - 1u ) ) );
2674 layoutParameters.isLastNewParagraph = mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph;
2676 // The initial glyph and the number of glyphs to layout.
2677 layoutParameters.startGlyphIndex = startGlyphIndex;
2678 layoutParameters.numberOfGlyphs = numberOfGlyphs;
2679 layoutParameters.startLineIndex = mImpl->mTextUpdateInfo.mStartLineIndex;
2680 layoutParameters.estimatedNumberOfLines = mImpl->mTextUpdateInfo.mEstimatedNumberOfLines;
2682 // Update the visual model.
2684 viewUpdated = mImpl->mLayoutEngine.LayoutText( layoutParameters,
2686 mImpl->mVisualModel->mLines,
2689 viewUpdated = viewUpdated || ( newLayoutSize != layoutSize );
2693 layoutSize = newLayoutSize;
2695 if ( NO_OPERATION != ( UPDATE_DIRECTION & operations ) )
2697 mImpl->mAutoScrollDirectionRTL = false;
2700 // Reorder the lines
2701 if( NO_OPERATION != ( REORDER & operations ) )
2703 Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo = mImpl->mLogicalModel->mBidirectionalParagraphInfo;
2704 Vector<BidirectionalLineInfoRun>& bidirectionalLineInfo = mImpl->mLogicalModel->mBidirectionalLineInfo;
2706 // Check first if there are paragraphs with bidirectional info.
2707 if( 0u != bidirectionalInfo.Count() )
2710 const Length numberOfLines = mImpl->mVisualModel->mLines.Count();
2712 // Reorder the lines.
2713 bidirectionalLineInfo.Reserve( numberOfLines ); // Reserve because is not known yet how many lines have right to left characters.
2714 ReorderLines( bidirectionalInfo,
2716 requestedNumberOfCharacters,
2717 mImpl->mVisualModel->mLines,
2718 bidirectionalLineInfo );
2720 // Set the bidirectional info per line into the layout parameters.
2721 layoutParameters.lineBidirectionalInfoRunsBuffer = bidirectionalLineInfo.Begin();
2722 layoutParameters.numberOfBidirectionalInfoRuns = bidirectionalLineInfo.Count();
2724 // Re-layout the text. Reorder those lines with right to left characters.
2725 mImpl->mLayoutEngine.ReLayoutRightToLeftLines( layoutParameters,
2727 requestedNumberOfCharacters,
2730 if ( ( NO_OPERATION != ( UPDATE_DIRECTION & operations ) ) && ( numberOfLines > 0 ) )
2732 const LineRun* const firstline = mImpl->mVisualModel->mLines.Begin();
2735 mImpl->mAutoScrollDirectionRTL = firstline->direction;
2741 // Sets the layout size.
2742 if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) )
2744 mImpl->mVisualModel->SetLayoutSize( layoutSize );
2749 if( NO_OPERATION != ( ALIGN & operations ) )
2751 // The laid-out lines.
2752 Vector<LineRun>& lines = mImpl->mVisualModel->mLines;
2754 // Need to align with the control's size as the text may contain lines
2755 // starting either with left to right text or right to left.
2756 mImpl->mLayoutEngine.Align( size,
2758 requestedNumberOfCharacters,
2760 mImpl->mAlignmentOffset );
2764 #if defined(DEBUG_ENABLED)
2765 std::string currentText;
2766 GetText( currentText );
2767 DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::DoRelayout [%p] mImpl->mAutoScrollDirectionRTL[%s] [%s]\n", this, (mImpl->mAutoScrollDirectionRTL)?"true":"false", currentText.c_str() );
2769 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout, view updated %s\n", ( viewUpdated ? "true" : "false" ) );
2773 void Controller::CalculateVerticalOffset( const Size& controlSize )
2775 Size layoutSize = mImpl->mVisualModel->GetLayoutSize();
2777 if( fabsf( layoutSize.height ) < Math::MACHINE_EPSILON_1000 )
2779 // Get the line height of the default font.
2780 layoutSize.height = mImpl->GetDefaultFontLineHeight();
2783 switch( mImpl->mLayoutEngine.GetVerticalAlignment() )
2785 case LayoutEngine::VERTICAL_ALIGN_TOP:
2787 mImpl->mScrollPosition.y = 0.f;
2790 case LayoutEngine::VERTICAL_ALIGN_CENTER:
2792 mImpl->mScrollPosition.y = floorf( 0.5f * ( controlSize.height - layoutSize.height ) ); // try to avoid pixel alignment.
2795 case LayoutEngine::VERTICAL_ALIGN_BOTTOM:
2797 mImpl->mScrollPosition.y = controlSize.height - layoutSize.height;
2803 // private : Events.
2805 void Controller::ProcessModifyEvents()
2807 Vector<ModifyEvent>& events = mImpl->mModifyEvents;
2809 if( 0u == events.Count() )
2815 for( Vector<ModifyEvent>::ConstIterator it = events.Begin(),
2816 endIt = events.End();
2820 const ModifyEvent& event = *it;
2822 if( ModifyEvent::TEXT_REPLACED == event.type )
2824 // A (single) replace event should come first, otherwise we wasted time processing NOOP events
2825 DALI_ASSERT_DEBUG( it == events.Begin() && "Unexpected TEXT_REPLACED event" );
2827 TextReplacedEvent();
2829 else if( ModifyEvent::TEXT_INSERTED == event.type )
2831 TextInsertedEvent();
2833 else if( ModifyEvent::TEXT_DELETED == event.type )
2835 // Placeholder-text cannot be deleted
2836 if( !mImpl->IsShowingPlaceholderText() )
2843 if( NULL != mImpl->mEventData )
2845 // When the text is being modified, delay cursor blinking
2846 mImpl->mEventData->mDecorator->DelayCursorBlink();
2849 // Discard temporary text
2853 void Controller::TextReplacedEvent()
2855 // The natural size needs to be re-calculated.
2856 mImpl->mRecalculateNaturalSize = true;
2858 // Apply modifications to the model
2859 mImpl->mOperationsPending = ALL_OPERATIONS;
2862 void Controller::TextInsertedEvent()
2864 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextInsertedEvent" );
2866 if( NULL == mImpl->mEventData )
2871 // The natural size needs to be re-calculated.
2872 mImpl->mRecalculateNaturalSize = true;
2874 // Apply modifications to the model; TODO - Optimize this
2875 mImpl->mOperationsPending = ALL_OPERATIONS;
2878 void Controller::TextDeletedEvent()
2880 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextDeletedEvent" );
2882 if( NULL == mImpl->mEventData )
2887 // The natural size needs to be re-calculated.
2888 mImpl->mRecalculateNaturalSize = true;
2890 // Apply modifications to the model; TODO - Optimize this
2891 mImpl->mOperationsPending = ALL_OPERATIONS;
2894 void Controller::SelectEvent( float x, float y, bool selectAll )
2896 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SelectEvent\n" );
2898 if( NULL != mImpl->mEventData )
2902 Event event( Event::SELECT_ALL );
2903 mImpl->mEventData->mEventQueue.push_back( event );
2907 Event event( Event::SELECT );
2908 event.p2.mFloat = x;
2909 event.p3.mFloat = y;
2910 mImpl->mEventData->mEventQueue.push_back( event );
2913 mImpl->mEventData->mIsLeftHandleSelected = true;
2914 mImpl->mEventData->mIsRightHandleSelected = true;
2915 mImpl->RequestRelayout();
2919 bool Controller::BackspaceKeyEvent()
2921 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p DALI_KEY_BACKSPACE\n", this );
2923 bool removed = false;
2925 if( NULL == mImpl->mEventData )
2930 // IMF manager is no longer handling key-events
2931 mImpl->ClearPreEditFlag();
2933 if( EventData::SELECTING == mImpl->mEventData->mState )
2935 removed = RemoveSelectedText();
2937 else if( mImpl->mEventData->mPrimaryCursorPosition > 0 )
2939 // Remove the character before the current cursor position
2940 removed = RemoveText( -1,
2942 UPDATE_INPUT_STYLE );
2947 if( ( 0u != mImpl->mLogicalModel->mText.Count() ) ||
2948 !mImpl->IsPlaceholderAvailable() )
2950 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
2954 ShowPlaceholderText();
2956 mImpl->mEventData->mUpdateCursorPosition = true;
2957 mImpl->mEventData->mScrollAfterDelete = true;
2963 // private : Helpers.
2965 void Controller::ResetText()
2968 mImpl->mLogicalModel->mText.Clear();
2970 // We have cleared everything including the placeholder-text
2971 mImpl->PlaceholderCleared();
2973 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
2974 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
2975 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = 0u;
2977 // Clear any previous text.
2978 mImpl->mTextUpdateInfo.mClearAll = true;
2980 // The natural size needs to be re-calculated.
2981 mImpl->mRecalculateNaturalSize = true;
2983 // Apply modifications to the model
2984 mImpl->mOperationsPending = ALL_OPERATIONS;
2987 void Controller::ShowPlaceholderText()
2989 if( mImpl->IsPlaceholderAvailable() )
2991 DALI_ASSERT_DEBUG( mImpl->mEventData && "No placeholder text available" );
2993 if( NULL == mImpl->mEventData )
2998 mImpl->mEventData->mIsShowingPlaceholderText = true;
3000 // Disable handles when showing place-holder text
3001 mImpl->mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
3002 mImpl->mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
3003 mImpl->mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
3005 const char* text( NULL );
3008 // TODO - Switch placeholder text styles when changing state
3009 if( ( EventData::INACTIVE != mImpl->mEventData->mState ) &&
3010 ( 0u != mImpl->mEventData->mPlaceholderTextActive.c_str() ) )
3012 text = mImpl->mEventData->mPlaceholderTextActive.c_str();
3013 size = mImpl->mEventData->mPlaceholderTextActive.size();
3017 text = mImpl->mEventData->mPlaceholderTextInactive.c_str();
3018 size = mImpl->mEventData->mPlaceholderTextInactive.size();
3021 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
3022 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
3024 // Reset model for showing placeholder.
3025 mImpl->mLogicalModel->mText.Clear();
3026 mImpl->mVisualModel->SetTextColor( mImpl->mEventData->mPlaceholderTextColor );
3028 // Convert text into UTF-32
3029 Vector<Character>& utf32Characters = mImpl->mLogicalModel->mText;
3030 utf32Characters.Resize( size );
3032 // This is a bit horrible but std::string returns a (signed) char*
3033 const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text );
3035 // Transform a text array encoded in utf8 into an array encoded in utf32.
3036 // It returns the actual number of characters.
3037 const Length characterCount = Utf8ToUtf32( utf8, size, utf32Characters.Begin() );
3038 utf32Characters.Resize( characterCount );
3040 // The characters to be added.
3041 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = characterCount;
3043 // Reset the cursor position
3044 mImpl->mEventData->mPrimaryCursorPosition = 0;
3046 // The natural size needs to be re-calculated.
3047 mImpl->mRecalculateNaturalSize = true;
3049 // Apply modifications to the model
3050 mImpl->mOperationsPending = ALL_OPERATIONS;
3052 // Update the rest of the model during size negotiation
3053 mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED );
3057 void Controller::ClearFontData()
3059 if( mImpl->mFontDefaults )
3061 mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
3064 // Set flags to update the model.
3065 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
3066 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
3067 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mLogicalModel->mText.Count();
3069 mImpl->mTextUpdateInfo.mClearAll = true;
3070 mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true;
3071 mImpl->mRecalculateNaturalSize = true;
3073 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
3078 UPDATE_LAYOUT_SIZE |
3083 void Controller::ClearStyleData()
3085 mImpl->mLogicalModel->mColorRuns.Clear();
3086 mImpl->mLogicalModel->ClearFontDescriptionRuns();
3089 void Controller::ResetCursorPosition( CharacterIndex cursorIndex )
3091 // Reset the cursor position
3092 if( NULL != mImpl->mEventData )
3094 mImpl->mEventData->mPrimaryCursorPosition = cursorIndex;
3096 // Update the cursor if it's in editing mode.
3097 if( EventData::IsEditingState( mImpl->mEventData->mState ) )
3099 mImpl->mEventData->mUpdateCursorPosition = true;
3104 void Controller::ResetScrollPosition()
3106 if( NULL != mImpl->mEventData )
3108 // Reset the scroll position.
3109 mImpl->mScrollPosition = Vector2::ZERO;
3110 mImpl->mEventData->mScrollAfterUpdatePosition = true;
3114 // private : Private contructors & copy operator.
3116 Controller::Controller()
3119 mImpl = new Controller::Impl( NULL, NULL );
3122 Controller::Controller( ControlInterface* controlInterface )
3124 mImpl = new Controller::Impl( controlInterface, NULL );
3127 Controller::Controller( ControlInterface* controlInterface,
3128 EditableControlInterface* editableControlInterface )
3130 mImpl = new Controller::Impl( controlInterface,
3131 editableControlInterface );
3134 // The copy constructor and operator are left unimplemented.
3136 // protected : Destructor.
3138 Controller::~Controller()
3145 } // namespace Toolkit