2 * Copyright (c) 2016 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali-toolkit/internal/text/text-controller.h>
24 #include <dali/public-api/adaptor-framework/key.h>
25 #include <dali/integration-api/debug.h>
26 #include <dali/devel-api/adaptor-framework/clipboard-event-notifier.h>
29 #include <dali-toolkit/internal/text/bidirectional-support.h>
30 #include <dali-toolkit/internal/text/character-set-conversion.h>
31 #include <dali-toolkit/internal/text/layouts/layout-parameters.h>
32 #include <dali-toolkit/internal/text/markup-processor.h>
33 #include <dali-toolkit/internal/text/text-controller-impl.h>
34 #include <dali-toolkit/internal/text/text-editable-control-interface.h>
39 #if defined(DEBUG_ENABLED)
40 Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
43 const float MAX_FLOAT = std::numeric_limits<float>::max();
45 const std::string EMPTY_STRING("");
47 float ConvertToEven( float value )
49 int intValue(static_cast<int>( value ));
50 return static_cast<float>(intValue % 2 == 0) ? intValue : (intValue + 1);
65 * @brief Adds a new font description run for the selected text.
67 * The new font parameters are added after the call to this method.
69 * @param[in] eventData The event data pointer.
70 * @param[in] logicalModel The logical model where to add the new font description run.
71 * @param[out] startOfSelectedText Index to the first selected character.
72 * @param[out] lengthOfSelectedText Number of selected characters.
74 FontDescriptionRun& UpdateSelectionFontStyleRun( EventData* eventData,
75 LogicalModelPtr logicalModel,
76 CharacterIndex& startOfSelectedText,
77 Length& lengthOfSelectedText )
79 const bool handlesCrossed = eventData->mLeftSelectionPosition > eventData->mRightSelectionPosition;
81 // Get start and end position of selection
82 startOfSelectedText = handlesCrossed ? eventData->mRightSelectionPosition : eventData->mLeftSelectionPosition;
83 lengthOfSelectedText = ( handlesCrossed ? eventData->mLeftSelectionPosition : eventData->mRightSelectionPosition ) - startOfSelectedText;
86 const VectorBase::SizeType numberOfRuns = logicalModel->mFontDescriptionRuns.Count();
87 logicalModel->mFontDescriptionRuns.Resize( numberOfRuns + 1u );
89 FontDescriptionRun& fontDescriptionRun = *( logicalModel->mFontDescriptionRuns.Begin() + numberOfRuns );
91 fontDescriptionRun.characterRun.characterIndex = startOfSelectedText;
92 fontDescriptionRun.characterRun.numberOfCharacters = lengthOfSelectedText;
94 // Recalculate the selection highlight as the metrics may have changed.
95 eventData->mUpdateLeftSelectionPosition = true;
96 eventData->mUpdateRightSelectionPosition = true;
97 eventData->mUpdateHighlightBox = true;
99 return fontDescriptionRun;
102 // public : Constructor.
104 ControllerPtr Controller::New()
106 return ControllerPtr( new Controller() );
109 ControllerPtr Controller::New( ControlInterface* controlInterface )
111 return ControllerPtr( new Controller( controlInterface ) );
114 ControllerPtr Controller::New( ControlInterface* controlInterface,
115 EditableControlInterface* editableControlInterface )
117 return ControllerPtr( new Controller( controlInterface,
118 editableControlInterface ) );
121 // public : Configure the text controller.
123 void Controller::EnableTextInput( DecoratorPtr decorator )
127 delete mImpl->mEventData;
128 mImpl->mEventData = NULL;
130 // Nothing else to do.
134 if( NULL == mImpl->mEventData )
136 mImpl->mEventData = new EventData( decorator );
140 void Controller::SetGlyphType( TextAbstraction::GlyphType glyphType )
142 // Metrics for bitmap & vector based glyphs are different
143 mImpl->mMetrics->SetGlyphType( glyphType );
145 // Clear the font-specific data
148 mImpl->RequestRelayout();
151 void Controller::SetMarkupProcessorEnabled( bool enable )
153 mImpl->mMarkupProcessorEnabled = enable;
156 bool Controller::IsMarkupProcessorEnabled() const
158 return mImpl->mMarkupProcessorEnabled;
161 void Controller::SetAutoScrollEnabled( bool enable )
163 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled[%s] SingleBox[%s]-> [%p]\n", (enable)?"true":"false", ( mImpl->mLayoutEngine.GetLayout() == Layout::Engine::SINGLE_LINE_BOX)?"true":"false", this );
165 if( mImpl->mLayoutEngine.GetLayout() == Layout::Engine::SINGLE_LINE_BOX )
169 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled for SINGLE_LINE_BOX\n" );
170 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
180 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetAutoScrollEnabled Disabling autoscroll\n");
181 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
188 mImpl->mIsAutoScrollEnabled = enable;
189 mImpl->RequestRelayout();
193 DALI_LOG_WARNING( "Attempted AutoScrolling on a non SINGLE_LINE_BOX, request ignored\n" );
194 mImpl->mIsAutoScrollEnabled = false;
198 bool Controller::IsAutoScrollEnabled() const
200 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::IsAutoScrollEnabled[%s]\n", mImpl->mIsAutoScrollEnabled?"true":"false" );
202 return mImpl->mIsAutoScrollEnabled;
205 CharacterDirection Controller::GetAutoScrollDirection() const
207 return mImpl->mAutoScrollDirectionRTL;
210 float Controller::GetAutoScrollLineAlignment() const
214 if( mImpl->mModel->mVisualModel &&
215 ( 0u != mImpl->mModel->mVisualModel->mLines.Count() ) )
217 offset = ( *mImpl->mModel->mVisualModel->mLines.Begin() ).alignmentOffset;
223 void Controller::SetHorizontalScrollEnabled( bool enable )
225 if( ( NULL != mImpl->mEventData ) &&
226 mImpl->mEventData->mDecorator )
228 mImpl->mEventData->mDecorator->SetHorizontalScrollEnabled( enable );
231 bool Controller::IsHorizontalScrollEnabled() const
233 if( ( NULL != mImpl->mEventData ) &&
234 mImpl->mEventData->mDecorator )
236 return mImpl->mEventData->mDecorator->IsHorizontalScrollEnabled();
242 void Controller::SetVerticalScrollEnabled( bool enable )
244 if( ( NULL != mImpl->mEventData ) &&
245 mImpl->mEventData->mDecorator )
247 if( mImpl->mEventData->mDecorator )
249 mImpl->mEventData->mDecorator->SetVerticalScrollEnabled( enable );
254 bool Controller::IsVerticalScrollEnabled() const
256 if( ( NULL != mImpl->mEventData ) &&
257 mImpl->mEventData->mDecorator )
259 return mImpl->mEventData->mDecorator->IsVerticalScrollEnabled();
265 void Controller::SetSmoothHandlePanEnabled( bool enable )
267 if( ( NULL != mImpl->mEventData ) &&
268 mImpl->mEventData->mDecorator )
270 mImpl->mEventData->mDecorator->SetSmoothHandlePanEnabled( enable );
274 bool Controller::IsSmoothHandlePanEnabled() const
276 if( ( NULL != mImpl->mEventData ) &&
277 mImpl->mEventData->mDecorator )
279 return mImpl->mEventData->mDecorator->IsSmoothHandlePanEnabled();
285 void Controller::SetMaximumNumberOfCharacters( Length maxCharacters )
287 mImpl->mMaximumNumberOfCharacters = maxCharacters;
290 int Controller::GetMaximumNumberOfCharacters()
292 return mImpl->mMaximumNumberOfCharacters;
295 void Controller::SetEnableCursorBlink( bool enable )
297 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "TextInput disabled" );
299 if( NULL != mImpl->mEventData )
301 mImpl->mEventData->mCursorBlinkEnabled = enable;
304 mImpl->mEventData->mDecorator )
306 mImpl->mEventData->mDecorator->StopCursorBlink();
311 bool Controller::GetEnableCursorBlink() const
313 if( NULL != mImpl->mEventData )
315 return mImpl->mEventData->mCursorBlinkEnabled;
321 void Controller::SetMultiLineEnabled( bool enable )
323 const Layout::Engine::Type layout = enable ? Layout::Engine::MULTI_LINE_BOX : Layout::Engine::SINGLE_LINE_BOX;
325 if( layout != mImpl->mLayoutEngine.GetLayout() )
327 // Set the layout type.
328 mImpl->mLayoutEngine.SetLayout( layout );
330 // Set the flags to redo the layout operations
331 const OperationsMask layoutOperations = static_cast<OperationsMask>( LAYOUT |
336 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | layoutOperations );
338 mImpl->RequestRelayout();
342 bool Controller::IsMultiLineEnabled() const
344 return Layout::Engine::MULTI_LINE_BOX == mImpl->mLayoutEngine.GetLayout();
347 void Controller::SetHorizontalAlignment( Layout::HorizontalAlignment alignment )
349 if( alignment != mImpl->mModel->mHorizontalAlignment )
351 // Set the alignment.
352 mImpl->mModel->mHorizontalAlignment = alignment;
354 // Set the flag to redo the alignment operation.
355 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | ALIGN );
357 mImpl->RequestRelayout();
361 Layout::HorizontalAlignment Controller::GetHorizontalAlignment() const
363 return mImpl->mModel->mHorizontalAlignment;
366 void Controller::SetVerticalAlignment( Layout::VerticalAlignment alignment )
368 if( alignment != mImpl->mModel->mVerticalAlignment )
370 // Set the alignment.
371 mImpl->mModel->mVerticalAlignment = alignment;
373 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | ALIGN );
375 mImpl->RequestRelayout();
379 Layout::VerticalAlignment Controller::GetVerticalAlignment() const
381 return mImpl->mModel->mVerticalAlignment;
384 void Controller::SetTextElideEnabled( bool enabled )
386 mImpl->mModel->mElideEnabled = enabled;
389 bool Controller::IsTextElideEnabled() const
391 return mImpl->mModel->mElideEnabled;
396 void Controller::SetText( const std::string& text )
398 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SetText\n" );
400 // Reset keyboard as text changed
401 mImpl->ResetImfManager();
403 // Remove the previously set text and style.
409 CharacterIndex lastCursorIndex = 0u;
411 if( NULL != mImpl->mEventData )
413 // If popup shown then hide it by switching to Editing state
414 if( ( EventData::SELECTING == mImpl->mEventData->mState ) ||
415 ( EventData::EDITING_WITH_POPUP == mImpl->mEventData->mState ) ||
416 ( EventData::EDITING_WITH_GRAB_HANDLE == mImpl->mEventData->mState ) ||
417 ( EventData::EDITING_WITH_PASTE_POPUP == mImpl->mEventData->mState ) )
419 mImpl->ChangeState( EventData::EDITING );
425 mImpl->mModel->mVisualModel->SetTextColor( mImpl->mTextColor );
427 MarkupProcessData markupProcessData( mImpl->mModel->mLogicalModel->mColorRuns,
428 mImpl->mModel->mLogicalModel->mFontDescriptionRuns );
430 Length textSize = 0u;
431 const uint8_t* utf8 = NULL;
432 if( mImpl->mMarkupProcessorEnabled )
434 ProcessMarkupString( text, markupProcessData );
435 textSize = markupProcessData.markupProcessedText.size();
437 // This is a bit horrible but std::string returns a (signed) char*
438 utf8 = reinterpret_cast<const uint8_t*>( markupProcessData.markupProcessedText.c_str() );
442 textSize = text.size();
444 // This is a bit horrible but std::string returns a (signed) char*
445 utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
448 // Convert text into UTF-32
449 Vector<Character>& utf32Characters = mImpl->mModel->mLogicalModel->mText;
450 utf32Characters.Resize( textSize );
452 // Transform a text array encoded in utf8 into an array encoded in utf32.
453 // It returns the actual number of characters.
454 Length characterCount = Utf8ToUtf32( utf8, textSize, utf32Characters.Begin() );
455 utf32Characters.Resize( characterCount );
457 DALI_ASSERT_DEBUG( textSize >= characterCount && "Invalid UTF32 conversion length" );
458 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SetText %p UTF8 size %d, UTF32 size %d\n", this, textSize, mImpl->mModel->mLogicalModel->mText.Count() );
460 // The characters to be added.
461 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mModel->mLogicalModel->mText.Count();
463 // To reset the cursor position
464 lastCursorIndex = characterCount;
466 // Update the rest of the model during size negotiation
467 mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED );
469 // The natural size needs to be re-calculated.
470 mImpl->mRecalculateNaturalSize = true;
472 // Apply modifications to the model
473 mImpl->mOperationsPending = ALL_OPERATIONS;
477 ShowPlaceholderText();
480 // Resets the cursor position.
481 ResetCursorPosition( lastCursorIndex );
483 // Scrolls the text to make the cursor visible.
484 ResetScrollPosition();
486 mImpl->RequestRelayout();
488 if( NULL != mImpl->mEventData )
490 // Cancel previously queued events
491 mImpl->mEventData->mEventQueue.clear();
494 // Do this last since it provides callbacks into application code.
495 if( NULL != mImpl->mEditableControlInterface )
497 mImpl->mEditableControlInterface->TextChanged();
501 void Controller::GetText( std::string& text ) const
503 if( !mImpl->IsShowingPlaceholderText() )
505 // Retrieves the text string.
506 mImpl->GetText( 0u, text );
510 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::GetText %p empty (but showing placeholder)\n", this );
514 void Controller::SetPlaceholderText( PlaceholderType type, const std::string& text )
516 if( NULL != mImpl->mEventData )
518 if( PLACEHOLDER_TYPE_INACTIVE == type )
520 mImpl->mEventData->mPlaceholderTextInactive = text;
524 mImpl->mEventData->mPlaceholderTextActive = text;
527 // Update placeholder if there is no text
528 if( mImpl->IsShowingPlaceholderText() ||
529 ( 0u == mImpl->mModel->mLogicalModel->mText.Count() ) )
531 ShowPlaceholderText();
536 void Controller::GetPlaceholderText( PlaceholderType type, std::string& text ) const
538 if( NULL != mImpl->mEventData )
540 if( PLACEHOLDER_TYPE_INACTIVE == type )
542 text = mImpl->mEventData->mPlaceholderTextInactive;
546 text = mImpl->mEventData->mPlaceholderTextActive;
551 void Controller::UpdateAfterFontChange( const std::string& newDefaultFont )
553 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::UpdateAfterFontChange\n");
555 if( !mImpl->mFontDefaults->familyDefined ) // If user defined font then should not update when system font changes
557 DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::UpdateAfterFontChange newDefaultFont(%s)\n", newDefaultFont.c_str() );
558 mImpl->mFontDefaults->mFontDescription.family = newDefaultFont;
562 mImpl->RequestRelayout();
566 // public : Default style & Input style
568 void Controller::SetDefaultFontFamily( const std::string& defaultFontFamily )
570 if( NULL == mImpl->mFontDefaults )
572 mImpl->mFontDefaults = new FontDefaults();
575 mImpl->mFontDefaults->mFontDescription.family = defaultFontFamily;
576 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetDefaultFontFamily %s\n", defaultFontFamily.c_str());
577 mImpl->mFontDefaults->familyDefined = !defaultFontFamily.empty();
579 // Clear the font-specific data
582 mImpl->RequestRelayout();
585 const std::string& Controller::GetDefaultFontFamily() const
587 if( NULL != mImpl->mFontDefaults )
589 return mImpl->mFontDefaults->mFontDescription.family;
595 void Controller::SetDefaultFontWeight( FontWeight weight )
597 if( NULL == mImpl->mFontDefaults )
599 mImpl->mFontDefaults = new FontDefaults();
602 mImpl->mFontDefaults->mFontDescription.weight = weight;
603 mImpl->mFontDefaults->weightDefined = true;
605 // Clear the font-specific data
608 mImpl->RequestRelayout();
611 bool Controller::IsDefaultFontWeightDefined() const
613 return mImpl->mFontDefaults->weightDefined;
616 FontWeight Controller::GetDefaultFontWeight() const
618 if( NULL != mImpl->mFontDefaults )
620 return mImpl->mFontDefaults->mFontDescription.weight;
623 return TextAbstraction::FontWeight::NORMAL;
626 void Controller::SetDefaultFontWidth( FontWidth width )
628 if( NULL == mImpl->mFontDefaults )
630 mImpl->mFontDefaults = new FontDefaults();
633 mImpl->mFontDefaults->mFontDescription.width = width;
634 mImpl->mFontDefaults->widthDefined = true;
636 // Clear the font-specific data
639 mImpl->RequestRelayout();
642 bool Controller::IsDefaultFontWidthDefined() const
644 return mImpl->mFontDefaults->widthDefined;
647 FontWidth Controller::GetDefaultFontWidth() const
649 if( NULL != mImpl->mFontDefaults )
651 return mImpl->mFontDefaults->mFontDescription.width;
654 return TextAbstraction::FontWidth::NORMAL;
657 void Controller::SetDefaultFontSlant( FontSlant slant )
659 if( NULL == mImpl->mFontDefaults )
661 mImpl->mFontDefaults = new FontDefaults();
664 mImpl->mFontDefaults->mFontDescription.slant = slant;
665 mImpl->mFontDefaults->slantDefined = true;
667 // Clear the font-specific data
670 mImpl->RequestRelayout();
673 bool Controller::IsDefaultFontSlantDefined() const
675 return mImpl->mFontDefaults->slantDefined;
678 FontSlant Controller::GetDefaultFontSlant() const
680 if( NULL != mImpl->mFontDefaults )
682 return mImpl->mFontDefaults->mFontDescription.slant;
685 return TextAbstraction::FontSlant::NORMAL;
688 void Controller::SetDefaultPointSize( float pointSize )
690 if( NULL == mImpl->mFontDefaults )
692 mImpl->mFontDefaults = new FontDefaults();
695 mImpl->mFontDefaults->mDefaultPointSize = pointSize;
696 mImpl->mFontDefaults->sizeDefined = true;
698 // Clear the font-specific data
701 mImpl->RequestRelayout();
704 float Controller::GetDefaultPointSize() const
706 if( NULL != mImpl->mFontDefaults )
708 return mImpl->mFontDefaults->mDefaultPointSize;
714 void Controller::SetDefaultColor( const Vector4& color )
716 mImpl->mTextColor = color;
718 if( !mImpl->IsShowingPlaceholderText() )
720 mImpl->mModel->mVisualModel->SetTextColor( color );
722 mImpl->RequestRelayout();
726 const Vector4& Controller::GetDefaultColor() const
728 return mImpl->mTextColor;
731 void Controller::SetPlaceholderTextColor( const Vector4& textColor )
733 if( NULL != mImpl->mEventData )
735 mImpl->mEventData->mPlaceholderTextColor = textColor;
738 if( mImpl->IsShowingPlaceholderText() )
740 mImpl->mModel->mVisualModel->SetTextColor( textColor );
741 mImpl->RequestRelayout();
745 const Vector4& Controller::GetPlaceholderTextColor() const
747 if( NULL != mImpl->mEventData )
749 return mImpl->mEventData->mPlaceholderTextColor;
755 void Controller::SetShadowOffset( const Vector2& shadowOffset )
757 mImpl->mModel->mVisualModel->SetShadowOffset( shadowOffset );
759 mImpl->RequestRelayout();
762 const Vector2& Controller::GetShadowOffset() const
764 return mImpl->mModel->mVisualModel->GetShadowOffset();
767 void Controller::SetShadowColor( const Vector4& shadowColor )
769 mImpl->mModel->mVisualModel->SetShadowColor( shadowColor );
771 mImpl->RequestRelayout();
774 const Vector4& Controller::GetShadowColor() const
776 return mImpl->mModel->mVisualModel->GetShadowColor();
779 void Controller::SetUnderlineColor( const Vector4& color )
781 mImpl->mModel->mVisualModel->SetUnderlineColor( color );
783 mImpl->RequestRelayout();
786 const Vector4& Controller::GetUnderlineColor() const
788 return mImpl->mModel->mVisualModel->GetUnderlineColor();
791 void Controller::SetUnderlineEnabled( bool enabled )
793 mImpl->mModel->mVisualModel->SetUnderlineEnabled( enabled );
795 mImpl->RequestRelayout();
798 bool Controller::IsUnderlineEnabled() const
800 return mImpl->mModel->mVisualModel->IsUnderlineEnabled();
803 void Controller::SetUnderlineHeight( float height )
805 mImpl->mModel->mVisualModel->SetUnderlineHeight( height );
807 mImpl->RequestRelayout();
810 float Controller::GetUnderlineHeight() const
812 return mImpl->mModel->mVisualModel->GetUnderlineHeight();
815 void Controller::SetDefaultEmbossProperties( const std::string& embossProperties )
817 if( NULL == mImpl->mEmbossDefaults )
819 mImpl->mEmbossDefaults = new EmbossDefaults();
822 mImpl->mEmbossDefaults->properties = embossProperties;
825 const std::string& Controller::GetDefaultEmbossProperties() const
827 if( NULL != mImpl->mEmbossDefaults )
829 return mImpl->mEmbossDefaults->properties;
835 void Controller::SetDefaultOutlineProperties( const std::string& outlineProperties )
837 if( NULL == mImpl->mOutlineDefaults )
839 mImpl->mOutlineDefaults = new OutlineDefaults();
842 mImpl->mOutlineDefaults->properties = outlineProperties;
845 const std::string& Controller::GetDefaultOutlineProperties() const
847 if( NULL != mImpl->mOutlineDefaults )
849 return mImpl->mOutlineDefaults->properties;
855 void Controller::SetDefaultLineSpacing( float lineSpacing )
857 //TODO finish implementation
858 mImpl->mLayoutEngine.SetDefaultLineSpacing( lineSpacing );
861 float Controller::GetDefaultLineSpacing() const
863 return mImpl->mLayoutEngine.GetDefaultLineSpacing();
866 void Controller::SetInputColor( const Vector4& color )
868 if( NULL != mImpl->mEventData )
870 mImpl->mEventData->mInputStyle.textColor = color;
871 mImpl->mEventData->mInputStyle.isDefaultColor = false;
873 if( EventData::SELECTING == mImpl->mEventData->mState )
875 const bool handlesCrossed = mImpl->mEventData->mLeftSelectionPosition > mImpl->mEventData->mRightSelectionPosition;
877 // Get start and end position of selection
878 const CharacterIndex startOfSelectedText = handlesCrossed ? mImpl->mEventData->mRightSelectionPosition : mImpl->mEventData->mLeftSelectionPosition;
879 const Length lengthOfSelectedText = ( handlesCrossed ? mImpl->mEventData->mLeftSelectionPosition : mImpl->mEventData->mRightSelectionPosition ) - startOfSelectedText;
881 // Add the color run.
882 const VectorBase::SizeType numberOfRuns = mImpl->mModel->mLogicalModel->mColorRuns.Count();
883 mImpl->mModel->mLogicalModel->mColorRuns.Resize( numberOfRuns + 1u );
885 ColorRun& colorRun = *( mImpl->mModel->mLogicalModel->mColorRuns.Begin() + numberOfRuns );
886 colorRun.color = color;
887 colorRun.characterRun.characterIndex = startOfSelectedText;
888 colorRun.characterRun.numberOfCharacters = lengthOfSelectedText;
890 // Request to relayout.
891 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | COLOR );
892 mImpl->RequestRelayout();
894 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
895 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
896 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
901 const Vector4& Controller::GetInputColor() const
903 if( NULL != mImpl->mEventData )
905 return mImpl->mEventData->mInputStyle.textColor;
908 // Return the default text's color if there is no EventData.
909 return mImpl->mTextColor;
913 void Controller::SetInputFontFamily( const std::string& fontFamily )
915 if( NULL != mImpl->mEventData )
917 mImpl->mEventData->mInputStyle.familyName = fontFamily;
918 mImpl->mEventData->mInputStyle.isFamilyDefined = true;
920 if( EventData::SELECTING == mImpl->mEventData->mState )
922 CharacterIndex startOfSelectedText = 0u;
923 Length lengthOfSelectedText = 0u;
924 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
925 mImpl->mModel->mLogicalModel,
927 lengthOfSelectedText );
929 fontDescriptionRun.familyLength = fontFamily.size();
930 fontDescriptionRun.familyName = new char[fontDescriptionRun.familyLength];
931 memcpy( fontDescriptionRun.familyName, fontFamily.c_str(), fontDescriptionRun.familyLength );
932 fontDescriptionRun.familyDefined = true;
934 // The memory allocated for the font family name is freed when the font description is removed from the logical model.
936 // Request to relayout.
937 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
945 mImpl->mRecalculateNaturalSize = true;
946 mImpl->RequestRelayout();
948 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
949 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
950 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
952 // As the font changes, recalculate the handle positions is needed.
953 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
954 mImpl->mEventData->mUpdateRightSelectionPosition = true;
955 mImpl->mEventData->mUpdateHighlightBox = true;
956 mImpl->mEventData->mScrollAfterUpdatePosition = true;
961 const std::string& Controller::GetInputFontFamily() const
963 if( NULL != mImpl->mEventData )
965 return mImpl->mEventData->mInputStyle.familyName;
968 // Return the default font's family if there is no EventData.
969 return GetDefaultFontFamily();
972 void Controller::SetInputFontWeight( FontWeight weight )
974 if( NULL != mImpl->mEventData )
976 mImpl->mEventData->mInputStyle.weight = weight;
977 mImpl->mEventData->mInputStyle.isWeightDefined = true;
979 if( EventData::SELECTING == mImpl->mEventData->mState )
981 CharacterIndex startOfSelectedText = 0u;
982 Length lengthOfSelectedText = 0u;
983 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
984 mImpl->mModel->mLogicalModel,
986 lengthOfSelectedText );
988 fontDescriptionRun.weight = weight;
989 fontDescriptionRun.weightDefined = true;
991 // Request to relayout.
992 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1000 mImpl->mRecalculateNaturalSize = true;
1001 mImpl->RequestRelayout();
1003 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
1004 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
1005 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
1007 // As the font might change, recalculate the handle positions is needed.
1008 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
1009 mImpl->mEventData->mUpdateRightSelectionPosition = true;
1010 mImpl->mEventData->mUpdateHighlightBox = true;
1011 mImpl->mEventData->mScrollAfterUpdatePosition = true;
1016 bool Controller::IsInputFontWeightDefined() const
1018 bool defined = false;
1020 if( NULL != mImpl->mEventData )
1022 defined = mImpl->mEventData->mInputStyle.isWeightDefined;
1028 FontWeight Controller::GetInputFontWeight() const
1030 if( NULL != mImpl->mEventData )
1032 return mImpl->mEventData->mInputStyle.weight;
1035 return GetDefaultFontWeight();
1038 void Controller::SetInputFontWidth( FontWidth width )
1040 if( NULL != mImpl->mEventData )
1042 mImpl->mEventData->mInputStyle.width = width;
1043 mImpl->mEventData->mInputStyle.isWidthDefined = true;
1045 if( EventData::SELECTING == mImpl->mEventData->mState )
1047 CharacterIndex startOfSelectedText = 0u;
1048 Length lengthOfSelectedText = 0u;
1049 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
1050 mImpl->mModel->mLogicalModel,
1051 startOfSelectedText,
1052 lengthOfSelectedText );
1054 fontDescriptionRun.width = width;
1055 fontDescriptionRun.widthDefined = true;
1057 // Request to relayout.
1058 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1063 UPDATE_LAYOUT_SIZE |
1066 mImpl->mRecalculateNaturalSize = true;
1067 mImpl->RequestRelayout();
1069 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
1070 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
1071 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
1073 // As the font might change, recalculate the handle positions is needed.
1074 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
1075 mImpl->mEventData->mUpdateRightSelectionPosition = true;
1076 mImpl->mEventData->mUpdateHighlightBox = true;
1077 mImpl->mEventData->mScrollAfterUpdatePosition = true;
1082 bool Controller::IsInputFontWidthDefined() const
1084 bool defined = false;
1086 if( NULL != mImpl->mEventData )
1088 defined = mImpl->mEventData->mInputStyle.isWidthDefined;
1094 FontWidth Controller::GetInputFontWidth() const
1096 if( NULL != mImpl->mEventData )
1098 return mImpl->mEventData->mInputStyle.width;
1101 return GetDefaultFontWidth();
1104 void Controller::SetInputFontSlant( FontSlant slant )
1106 if( NULL != mImpl->mEventData )
1108 mImpl->mEventData->mInputStyle.slant = slant;
1109 mImpl->mEventData->mInputStyle.isSlantDefined = true;
1111 if( EventData::SELECTING == mImpl->mEventData->mState )
1113 CharacterIndex startOfSelectedText = 0u;
1114 Length lengthOfSelectedText = 0u;
1115 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
1116 mImpl->mModel->mLogicalModel,
1117 startOfSelectedText,
1118 lengthOfSelectedText );
1120 fontDescriptionRun.slant = slant;
1121 fontDescriptionRun.slantDefined = true;
1123 // Request to relayout.
1124 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1129 UPDATE_LAYOUT_SIZE |
1132 mImpl->mRecalculateNaturalSize = true;
1133 mImpl->RequestRelayout();
1135 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
1136 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
1137 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
1139 // As the font might change, recalculate the handle positions is needed.
1140 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
1141 mImpl->mEventData->mUpdateRightSelectionPosition = true;
1142 mImpl->mEventData->mUpdateHighlightBox = true;
1143 mImpl->mEventData->mScrollAfterUpdatePosition = true;
1148 bool Controller::IsInputFontSlantDefined() const
1150 bool defined = false;
1152 if( NULL != mImpl->mEventData )
1154 defined = mImpl->mEventData->mInputStyle.isSlantDefined;
1160 FontSlant Controller::GetInputFontSlant() const
1162 if( NULL != mImpl->mEventData )
1164 return mImpl->mEventData->mInputStyle.slant;
1167 return GetDefaultFontSlant();
1170 void Controller::SetInputFontPointSize( float size )
1172 if( NULL != mImpl->mEventData )
1174 mImpl->mEventData->mInputStyle.size = size;
1175 mImpl->mEventData->mInputStyle.isSizeDefined = true;
1177 if( EventData::SELECTING == mImpl->mEventData->mState )
1179 CharacterIndex startOfSelectedText = 0u;
1180 Length lengthOfSelectedText = 0u;
1181 FontDescriptionRun& fontDescriptionRun = UpdateSelectionFontStyleRun( mImpl->mEventData,
1182 mImpl->mModel->mLogicalModel,
1183 startOfSelectedText,
1184 lengthOfSelectedText );
1186 fontDescriptionRun.size = static_cast<PointSize26Dot6>( size * 64.f );
1187 fontDescriptionRun.sizeDefined = true;
1189 // Request to relayout.
1190 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1195 UPDATE_LAYOUT_SIZE |
1198 mImpl->mRecalculateNaturalSize = true;
1199 mImpl->RequestRelayout();
1201 mImpl->mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
1202 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
1203 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = lengthOfSelectedText;
1205 // As the font might change, recalculate the handle positions is needed.
1206 mImpl->mEventData->mUpdateLeftSelectionPosition = true;
1207 mImpl->mEventData->mUpdateRightSelectionPosition = true;
1208 mImpl->mEventData->mUpdateHighlightBox = true;
1209 mImpl->mEventData->mScrollAfterUpdatePosition = true;
1214 float Controller::GetInputFontPointSize() const
1216 if( NULL != mImpl->mEventData )
1218 return mImpl->mEventData->mInputStyle.size;
1221 // Return the default font's point size if there is no EventData.
1222 return GetDefaultPointSize();
1225 void Controller::SetInputLineSpacing( float lineSpacing )
1227 if( NULL != mImpl->mEventData )
1229 mImpl->mEventData->mInputStyle.lineSpacing = lineSpacing;
1230 mImpl->mEventData->mInputStyle.isLineSpacingDefined = true;
1234 float Controller::GetInputLineSpacing() const
1236 if( NULL != mImpl->mEventData )
1238 return mImpl->mEventData->mInputStyle.lineSpacing;
1244 void Controller::SetInputShadowProperties( const std::string& shadowProperties )
1246 if( NULL != mImpl->mEventData )
1248 mImpl->mEventData->mInputStyle.shadowProperties = shadowProperties;
1252 const std::string& Controller::GetInputShadowProperties() const
1254 if( NULL != mImpl->mEventData )
1256 return mImpl->mEventData->mInputStyle.shadowProperties;
1259 return EMPTY_STRING;
1262 void Controller::SetInputUnderlineProperties( const std::string& underlineProperties )
1264 if( NULL != mImpl->mEventData )
1266 mImpl->mEventData->mInputStyle.underlineProperties = underlineProperties;
1270 const std::string& Controller::GetInputUnderlineProperties() const
1272 if( NULL != mImpl->mEventData )
1274 return mImpl->mEventData->mInputStyle.underlineProperties;
1277 return EMPTY_STRING;
1280 void Controller::SetInputEmbossProperties( const std::string& embossProperties )
1282 if( NULL != mImpl->mEventData )
1284 mImpl->mEventData->mInputStyle.embossProperties = embossProperties;
1288 const std::string& Controller::GetInputEmbossProperties() const
1290 if( NULL != mImpl->mEventData )
1292 return mImpl->mEventData->mInputStyle.embossProperties;
1295 return GetDefaultEmbossProperties();
1298 void Controller::SetInputOutlineProperties( const std::string& outlineProperties )
1300 if( NULL != mImpl->mEventData )
1302 mImpl->mEventData->mInputStyle.outlineProperties = outlineProperties;
1306 const std::string& Controller::GetInputOutlineProperties() const
1308 if( NULL != mImpl->mEventData )
1310 return mImpl->mEventData->mInputStyle.outlineProperties;
1313 return GetDefaultOutlineProperties();
1316 void Controller::SetInputModePassword( bool passwordInput )
1318 if( NULL != mImpl->mEventData )
1320 mImpl->mEventData->mPasswordInput = passwordInput;
1324 bool Controller::IsInputModePassword()
1326 if( NULL != mImpl->mEventData )
1328 return mImpl->mEventData->mPasswordInput;
1333 // public : Queries & retrieves.
1335 Layout::Engine& Controller::GetLayoutEngine()
1337 return mImpl->mLayoutEngine;
1340 View& Controller::GetView()
1342 return mImpl->mView;
1345 Vector3 Controller::GetNaturalSize()
1347 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetNaturalSize\n" );
1348 Vector3 naturalSize;
1350 // Make sure the model is up-to-date before layouting
1351 ProcessModifyEvents();
1353 if( mImpl->mRecalculateNaturalSize )
1355 // Operations that can be done only once until the text changes.
1356 const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
1363 GET_GLYPH_METRICS );
1365 // Set the update info to relayout the whole text.
1366 mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u;
1367 mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mModel->mLogicalModel->mText.Count();
1369 // Make sure the model is up-to-date before layouting
1370 mImpl->UpdateModel( onlyOnceOperations );
1372 // Layout the text for the new width.
1373 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | LAYOUT );
1375 // Store the actual control's size to restore later.
1376 const Size actualControlSize = mImpl->mModel->mVisualModel->mControlSize;
1378 DoRelayout( Size( MAX_FLOAT, MAX_FLOAT ),
1379 static_cast<OperationsMask>( onlyOnceOperations |
1381 naturalSize.GetVectorXY() );
1383 // Do not do again the only once operations.
1384 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
1386 // Do the size related operations again.
1387 const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
1390 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
1392 // Stores the natural size to avoid recalculate it again
1393 // unless the text/style changes.
1394 mImpl->mModel->mVisualModel->SetNaturalSize( naturalSize.GetVectorXY() );
1396 mImpl->mRecalculateNaturalSize = false;
1398 // Clear the update info. This info will be set the next time the text is updated.
1399 mImpl->mTextUpdateInfo.Clear();
1401 // Restore the actual control's size.
1402 mImpl->mModel->mVisualModel->mControlSize = actualControlSize;
1404 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize calculated %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
1408 naturalSize = mImpl->mModel->mVisualModel->GetNaturalSize();
1410 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize cached %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
1413 naturalSize.x = ConvertToEven( naturalSize.x );
1414 naturalSize.y = ConvertToEven( naturalSize.y );
1419 float Controller::GetHeightForWidth( float width )
1421 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetHeightForWidth %p width %f\n", this, width );
1422 // Make sure the model is up-to-date before layouting
1423 ProcessModifyEvents();
1426 if( fabsf( width - mImpl->mModel->mVisualModel->mControlSize.width ) > Math::MACHINE_EPSILON_1000 )
1428 // Operations that can be done only once until the text changes.
1429 const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
1436 GET_GLYPH_METRICS );
1438 // Set the update info to relayout the whole text.
1439 mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u;
1440 mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mModel->mLogicalModel->mText.Count();
1442 // Make sure the model is up-to-date before layouting
1443 mImpl->UpdateModel( onlyOnceOperations );
1446 // Layout the text for the new width.
1447 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | LAYOUT );
1449 // Store the actual control's width.
1450 const float actualControlWidth = mImpl->mModel->mVisualModel->mControlSize.width;
1452 DoRelayout( Size( width, MAX_FLOAT ),
1453 static_cast<OperationsMask>( onlyOnceOperations |
1457 // Do not do again the only once operations.
1458 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
1460 // Do the size related operations again.
1461 const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
1465 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
1467 // Clear the update info. This info will be set the next time the text is updated.
1468 mImpl->mTextUpdateInfo.Clear();
1470 // Restore the actual control's width.
1471 mImpl->mModel->mVisualModel->mControlSize.width = actualControlWidth;
1473 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth calculated %f\n", layoutSize.height );
1477 layoutSize = mImpl->mModel->mVisualModel->GetLayoutSize();
1478 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth cached %f\n", layoutSize.height );
1481 return layoutSize.height;
1484 const ModelInterface* const Controller::GetTextModel() const
1486 return mImpl->mModel.Get();
1489 float Controller::GetScrollAmountByUserInput()
1491 float scrollAmount = 0.0f;
1493 if (NULL != mImpl->mEventData && mImpl->mEventData->mCheckScrollAmount)
1495 scrollAmount = mImpl->mModel->mScrollPosition.y - mImpl->mModel->mScrollPositionLast.y;
1496 mImpl->mEventData->mCheckScrollAmount = false;
1498 return scrollAmount;
1501 // public : Relayout.
1503 Controller::UpdateTextType Controller::Relayout( const Size& size )
1505 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::Relayout %p size %f,%f, autoScroll[%s]\n", this, size.width, size.height, mImpl->mIsAutoScrollEnabled ?"true":"false" );
1507 UpdateTextType updateTextType = NONE_UPDATED;
1509 if( ( size.width < Math::MACHINE_EPSILON_1000 ) || ( size.height < Math::MACHINE_EPSILON_1000 ) )
1511 if( 0u != mImpl->mModel->mVisualModel->mGlyphPositions.Count() )
1513 mImpl->mModel->mVisualModel->mGlyphPositions.Clear();
1514 updateTextType = MODEL_UPDATED;
1517 // Clear the update info. This info will be set the next time the text is updated.
1518 mImpl->mTextUpdateInfo.Clear();
1520 // Not worth to relayout if width or height is equal to zero.
1521 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout (skipped)\n" );
1523 return updateTextType;
1526 // Whether a new size has been set.
1527 const bool newSize = ( size != mImpl->mModel->mVisualModel->mControlSize );
1531 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "new size (previous size %f,%f)\n", mImpl->mModel->mVisualModel->mControlSize.width, mImpl->mModel->mVisualModel->mControlSize.height );
1533 // Layout operations that need to be done if the size changes.
1534 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1537 UPDATE_LAYOUT_SIZE |
1539 // Set the update info to relayout the whole text.
1540 mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true;
1541 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
1543 // Store the size used to layout the text.
1544 mImpl->mModel->mVisualModel->mControlSize = size;
1547 // Whether there are modify events.
1548 if( 0u != mImpl->mModifyEvents.Count() )
1550 // Style operations that need to be done if the text is modified.
1551 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
1555 // Make sure the model is up-to-date before layouting.
1556 ProcessModifyEvents();
1557 bool updated = mImpl->UpdateModel( mImpl->mOperationsPending );
1561 updated = DoRelayout( size,
1562 mImpl->mOperationsPending,
1563 layoutSize ) || updated;
1567 updateTextType = MODEL_UPDATED;
1570 // Do not re-do any operation until something changes.
1571 mImpl->mOperationsPending = NO_OPERATION;
1572 mImpl->mModel->mScrollPositionLast = mImpl->mModel->mScrollPosition;
1574 // Whether the text control is editable
1575 const bool isEditable = NULL != mImpl->mEventData;
1577 // Keep the current offset as it will be used to update the decorator's positions (if the size changes).
1579 if( newSize && isEditable )
1581 offset = mImpl->mModel->mScrollPosition;
1584 if( !isEditable || !IsMultiLineEnabled() )
1586 // After doing the text layout, the vertical offset to place the actor in the desired position can be calculated.
1587 CalculateVerticalOffset( size );
1594 // If there is a new size, the scroll position needs to be clamped.
1595 mImpl->ClampHorizontalScroll( layoutSize );
1597 // Update the decorator's positions is needed if there is a new size.
1598 mImpl->mEventData->mDecorator->UpdatePositions( mImpl->mModel->mScrollPosition - offset );
1601 // Move the cursor, grab handle etc.
1602 if( mImpl->ProcessInputEvents() )
1604 updateTextType = static_cast<UpdateTextType>( updateTextType | DECORATOR_UPDATED );
1608 // Clear the update info. This info will be set the next time the text is updated.
1609 mImpl->mTextUpdateInfo.Clear();
1610 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout\n" );
1612 return updateTextType;
1615 void Controller::RequestRelayout()
1617 mImpl->RequestRelayout();
1620 // public : Input style change signals.
1622 bool Controller::IsInputStyleChangedSignalsQueueEmpty()
1624 return ( NULL == mImpl->mEventData ) || ( 0u == mImpl->mEventData->mInputStyleChangedQueue.Count() );
1627 void Controller::ProcessInputStyleChangedSignals()
1629 if( NULL == mImpl->mEventData )
1635 for( Vector<InputStyle::Mask>::ConstIterator it = mImpl->mEventData->mInputStyleChangedQueue.Begin(),
1636 endIt = mImpl->mEventData->mInputStyleChangedQueue.End();
1640 const InputStyle::Mask mask = *it;
1642 if( NULL != mImpl->mEditableControlInterface )
1644 // Emit the input style changed signal.
1645 mImpl->mEditableControlInterface->InputStyleChanged( mask );
1649 mImpl->mEventData->mInputStyleChangedQueue.Clear();
1652 // public : Text-input Event Queuing.
1654 void Controller::KeyboardFocusGainEvent()
1656 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusGainEvent" );
1658 if( NULL != mImpl->mEventData )
1660 if( ( EventData::INACTIVE == mImpl->mEventData->mState ) ||
1661 ( EventData::INTERRUPTED == mImpl->mEventData->mState ) )
1663 mImpl->ChangeState( EventData::EDITING );
1664 mImpl->mEventData->mUpdateCursorPosition = true; //If editing started without tap event, cursor update must be triggered.
1665 mImpl->mEventData->mUpdateInputStyle = true;
1667 mImpl->NotifyImfMultiLineStatus();
1668 if( mImpl->IsShowingPlaceholderText() )
1670 // Show alternative placeholder-text when editing
1671 ShowPlaceholderText();
1674 mImpl->RequestRelayout();
1678 void Controller::KeyboardFocusLostEvent()
1680 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusLostEvent" );
1682 if( NULL != mImpl->mEventData )
1684 if( EventData::INTERRUPTED != mImpl->mEventData->mState )
1686 mImpl->ChangeState( EventData::INACTIVE );
1688 if( !mImpl->IsShowingRealText() )
1690 // Revert to regular placeholder-text when not editing
1691 ShowPlaceholderText();
1695 mImpl->RequestRelayout();
1698 bool Controller::KeyEvent( const Dali::KeyEvent& keyEvent )
1700 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyEvent" );
1702 bool textChanged( false );
1704 if( ( NULL != mImpl->mEventData ) &&
1705 ( keyEvent.state == KeyEvent::Down ) )
1707 int keyCode = keyEvent.keyCode;
1708 const std::string& keyString = keyEvent.keyPressed;
1710 // Pre-process to separate modifying events from non-modifying input events.
1711 if( Dali::DALI_KEY_ESCAPE == keyCode )
1713 // Escape key is a special case which causes focus loss
1714 KeyboardFocusLostEvent();
1716 else if( ( Dali::DALI_KEY_CURSOR_LEFT == keyCode ) ||
1717 ( Dali::DALI_KEY_CURSOR_RIGHT == keyCode ) ||
1718 ( Dali::DALI_KEY_CURSOR_UP == keyCode ) ||
1719 ( Dali::DALI_KEY_CURSOR_DOWN == keyCode ) )
1721 // If don't have any text, do nothing.
1722 if( !mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters )
1727 uint32_t cursorPosition = mImpl->mEventData->mPrimaryCursorPosition;
1728 uint32_t numberOfCharacters = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
1729 uint32_t cursorLine = mImpl->mModel->mVisualModel->GetLineOfCharacter( cursorPosition );
1730 uint32_t numberOfLines = mImpl->mModel->GetNumberOfLines();
1732 // Logic to determine whether this text control will lose focus or not.
1733 if( ( Dali::DALI_KEY_CURSOR_LEFT == keyCode && 0 == cursorPosition ) ||
1734 ( Dali::DALI_KEY_CURSOR_RIGHT == keyCode && numberOfCharacters == cursorPosition) ||
1735 ( Dali::DALI_KEY_CURSOR_DOWN == keyCode && cursorLine == numberOfLines -1 ) ||
1736 ( Dali::DALI_KEY_CURSOR_DOWN == keyCode && numberOfCharacters == cursorPosition && cursorLine -1 == numberOfLines -1 ) ||
1737 ( Dali::DALI_KEY_CURSOR_UP == keyCode && cursorLine == 0 ) ||
1738 ( Dali::DALI_KEY_CURSOR_UP == keyCode && numberOfCharacters == cursorPosition && cursorLine == 1 ) )
1743 mImpl->mEventData->mCheckScrollAmount = true;
1744 Event event( Event::CURSOR_KEY_EVENT );
1745 event.p1.mInt = keyCode;
1746 mImpl->mEventData->mEventQueue.push_back( event );
1748 else if( Dali::DALI_KEY_BACKSPACE == keyCode )
1750 textChanged = BackspaceKeyEvent();
1752 else if( IsKey( keyEvent, Dali::DALI_KEY_POWER ) ||
1753 IsKey( keyEvent, Dali::DALI_KEY_MENU ) ||
1754 IsKey( keyEvent, Dali::DALI_KEY_HOME ) )
1756 // Power key/Menu/Home key behaviour does not allow edit mode to resume.
1757 mImpl->ChangeState( EventData::INACTIVE );
1759 // This branch avoids calling the InsertText() method of the 'else' branch which can delete selected text.
1761 else if( Dali::DALI_KEY_SHIFT_LEFT == keyCode )
1763 // DALI_KEY_SHIFT_LEFT is the key code for the Left Shift. It's sent (by the imf?) when the predictive text is enabled
1764 // and a character is typed after the type of a upper case latin character.
1770 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p keyString %s\n", this, keyString.c_str() );
1772 // IMF manager is no longer handling key-events
1773 mImpl->ClearPreEditFlag();
1775 InsertText( keyString, COMMIT );
1779 if ( ( mImpl->mEventData->mState != EventData::INTERRUPTED ) &&
1780 ( mImpl->mEventData->mState != EventData::INACTIVE ) &&
1781 ( Dali::DALI_KEY_SHIFT_LEFT != keyCode ) )
1783 // Should not change the state if the key is the shift send by the imf manager.
1784 // Otherwise, when the state is SELECTING the text controller can't send the right
1785 // surrounding info to the imf.
1786 mImpl->ChangeState( EventData::EDITING );
1789 mImpl->RequestRelayout();
1793 ( NULL != mImpl->mEditableControlInterface ) )
1795 // Do this last since it provides callbacks into application code
1796 mImpl->mEditableControlInterface->TextChanged();
1802 void Controller::TapEvent( unsigned int tapCount, float x, float y )
1804 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected TapEvent" );
1806 if( NULL != mImpl->mEventData )
1808 DALI_LOG_INFO( gLogFilter, Debug::Concise, "TapEvent state:%d \n", mImpl->mEventData->mState );
1809 EventData::State state( mImpl->mEventData->mState );
1810 bool relayoutNeeded( false ); // to avoid unnecessary relayouts when tapping an empty text-field
1812 if( mImpl->IsClipboardVisible() )
1814 if( EventData::INACTIVE == state || EventData::EDITING == state)
1816 mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE );
1818 relayoutNeeded = true;
1820 else if( 1u == tapCount )
1822 if( EventData::EDITING_WITH_POPUP == state || EventData::EDITING_WITH_PASTE_POPUP == state )
1824 mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE ); // If Popup shown hide it here so can be shown again if required.
1827 if( mImpl->IsShowingRealText() && ( EventData::INACTIVE != state ) )
1829 mImpl->ChangeState( EventData::EDITING_WITH_GRAB_HANDLE );
1830 relayoutNeeded = true;
1834 if( mImpl->IsShowingPlaceholderText() && !mImpl->IsFocusedPlaceholderAvailable() )
1836 // Hide placeholder text
1840 if( EventData::INACTIVE == state )
1842 mImpl->ChangeState( EventData::EDITING );
1844 else if( !mImpl->IsClipboardEmpty() )
1846 mImpl->ChangeState( EventData::EDITING_WITH_POPUP );
1848 relayoutNeeded = true;
1851 else if( 2u == tapCount )
1853 if( mImpl->mEventData->mSelectionEnabled &&
1854 mImpl->IsShowingRealText() )
1856 SelectEvent( x, y, false );
1859 // Handles & cursors must be repositioned after Relayout() i.e. after the Model has been updated
1860 if( relayoutNeeded )
1862 Event event( Event::TAP_EVENT );
1863 event.p1.mUint = tapCount;
1864 event.p2.mFloat = x;
1865 event.p3.mFloat = y;
1866 mImpl->mEventData->mEventQueue.push_back( event );
1868 mImpl->RequestRelayout();
1872 // Reset keyboard as tap event has occurred.
1873 mImpl->ResetImfManager();
1876 void Controller::PanEvent( Gesture::State state, const Vector2& displacement )
1878 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected PanEvent" );
1880 if( NULL != mImpl->mEventData )
1882 Event event( Event::PAN_EVENT );
1883 event.p1.mInt = state;
1884 event.p2.mFloat = displacement.x;
1885 event.p3.mFloat = displacement.y;
1886 mImpl->mEventData->mEventQueue.push_back( event );
1888 mImpl->RequestRelayout();
1892 void Controller::LongPressEvent( Gesture::State state, float x, float y )
1894 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected LongPressEvent" );
1896 if( ( state == Gesture::Started ) &&
1897 ( NULL != mImpl->mEventData ) )
1899 if( !mImpl->IsShowingRealText() )
1901 Event event( Event::LONG_PRESS_EVENT );
1902 event.p1.mInt = state;
1903 mImpl->mEventData->mEventQueue.push_back( event );
1904 mImpl->RequestRelayout();
1908 // The 1st long-press on inactive text-field is treated as tap
1909 if( EventData::INACTIVE == mImpl->mEventData->mState )
1911 mImpl->ChangeState( EventData::EDITING );
1913 Event event( Event::TAP_EVENT );
1915 event.p2.mFloat = x;
1916 event.p3.mFloat = y;
1917 mImpl->mEventData->mEventQueue.push_back( event );
1919 mImpl->RequestRelayout();
1923 // Reset the imf manger to commit the pre-edit before selecting the text.
1924 mImpl->ResetImfManager();
1926 SelectEvent( x, y, false );
1932 ImfManager::ImfCallbackData Controller::OnImfEvent( ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent )
1934 // Whether the text needs to be relaid-out.
1935 bool requestRelayout = false;
1937 // Whether to retrieve the text and cursor position to be sent to the IMF manager.
1938 bool retrieveText = false;
1939 bool retrieveCursor = false;
1941 switch( imfEvent.eventName )
1943 case ImfManager::COMMIT:
1945 InsertText( imfEvent.predictiveString, Text::Controller::COMMIT );
1946 requestRelayout = true;
1947 retrieveCursor = true;
1950 case ImfManager::PREEDIT:
1952 InsertText( imfEvent.predictiveString, Text::Controller::PRE_EDIT );
1953 requestRelayout = true;
1954 retrieveCursor = true;
1957 case ImfManager::DELETESURROUNDING:
1959 const bool textDeleted = RemoveText( imfEvent.cursorOffset,
1960 imfEvent.numberOfChars,
1961 DONT_UPDATE_INPUT_STYLE );
1965 if( ( 0u != mImpl->mModel->mLogicalModel->mText.Count() ) ||
1966 !mImpl->IsPlaceholderAvailable() )
1968 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
1972 ShowPlaceholderText();
1974 mImpl->mEventData->mUpdateCursorPosition = true;
1975 mImpl->mEventData->mScrollAfterDelete = true;
1977 requestRelayout = true;
1981 case ImfManager::GETSURROUNDING:
1983 retrieveText = true;
1984 retrieveCursor = true;
1987 case ImfManager::VOID:
1994 if( requestRelayout )
1996 mImpl->mOperationsPending = ALL_OPERATIONS;
1997 mImpl->RequestRelayout();
2001 CharacterIndex cursorPosition = 0u;
2002 Length numberOfWhiteSpaces = 0u;
2004 if( retrieveCursor )
2006 numberOfWhiteSpaces = mImpl->GetNumberOfWhiteSpaces( 0u );
2008 cursorPosition = mImpl->GetLogicalCursorPosition();
2010 if( cursorPosition < numberOfWhiteSpaces )
2012 cursorPosition = 0u;
2016 cursorPosition -= numberOfWhiteSpaces;
2022 mImpl->GetText( numberOfWhiteSpaces, text );
2025 ImfManager::ImfCallbackData callbackData( ( retrieveText || retrieveCursor ), cursorPosition, text, false );
2027 if( requestRelayout &&
2028 ( NULL != mImpl->mEditableControlInterface ) )
2030 // Do this last since it provides callbacks into application code
2031 mImpl->mEditableControlInterface->TextChanged();
2034 return callbackData;
2037 void Controller::PasteClipboardItemEvent()
2039 // Retrieve the clipboard contents first
2040 ClipboardEventNotifier notifier( ClipboardEventNotifier::Get() );
2041 std::string stringToPaste( notifier.GetContent() );
2043 // Commit the current pre-edit text; the contents of the clipboard should be appended
2044 mImpl->ResetImfManager();
2046 // Temporary disable hiding clipboard
2047 mImpl->SetClipboardHideEnable( false );
2050 PasteText( stringToPaste );
2052 mImpl->SetClipboardHideEnable( true );
2055 // protected : Inherit from Text::Decorator::ControllerInterface.
2057 void Controller::GetTargetSize( Vector2& targetSize )
2059 targetSize = mImpl->mModel->mVisualModel->mControlSize;
2062 void Controller::AddDecoration( Actor& actor, bool needsClipping )
2064 if( NULL != mImpl->mEditableControlInterface )
2066 mImpl->mEditableControlInterface->AddDecoration( actor, needsClipping );
2070 void Controller::DecorationEvent( HandleType handleType, HandleState state, float x, float y )
2072 DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected DecorationEvent" );
2074 if( NULL != mImpl->mEventData )
2076 switch( handleType )
2080 Event event( Event::GRAB_HANDLE_EVENT );
2081 event.p1.mUint = state;
2082 event.p2.mFloat = x;
2083 event.p3.mFloat = y;
2085 mImpl->mEventData->mEventQueue.push_back( event );
2088 case LEFT_SELECTION_HANDLE:
2090 Event event( Event::LEFT_SELECTION_HANDLE_EVENT );
2091 event.p1.mUint = state;
2092 event.p2.mFloat = x;
2093 event.p3.mFloat = y;
2095 mImpl->mEventData->mEventQueue.push_back( event );
2098 case RIGHT_SELECTION_HANDLE:
2100 Event event( Event::RIGHT_SELECTION_HANDLE_EVENT );
2101 event.p1.mUint = state;
2102 event.p2.mFloat = x;
2103 event.p3.mFloat = y;
2105 mImpl->mEventData->mEventQueue.push_back( event );
2108 case LEFT_SELECTION_HANDLE_MARKER:
2109 case RIGHT_SELECTION_HANDLE_MARKER:
2111 // Markers do not move the handles.
2114 case HANDLE_TYPE_COUNT:
2116 DALI_ASSERT_DEBUG( !"Controller::HandleEvent. Unexpected handle type" );
2120 mImpl->RequestRelayout();
2124 // protected : Inherit from TextSelectionPopup::TextPopupButtonCallbackInterface.
2126 void Controller::TextPopupButtonTouched( Dali::Toolkit::TextSelectionPopup::Buttons button )
2128 if( NULL == mImpl->mEventData )
2135 case Toolkit::TextSelectionPopup::CUT:
2137 mImpl->SendSelectionToClipboard( true ); // Synchronous call to modify text
2138 mImpl->mOperationsPending = ALL_OPERATIONS;
2140 if( ( 0u != mImpl->mModel->mLogicalModel->mText.Count() ) ||
2141 !mImpl->IsPlaceholderAvailable() )
2143 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
2147 ShowPlaceholderText();
2150 mImpl->mEventData->mUpdateCursorPosition = true;
2151 mImpl->mEventData->mScrollAfterDelete = true;
2153 mImpl->RequestRelayout();
2155 if( NULL != mImpl->mEditableControlInterface )
2157 mImpl->mEditableControlInterface->TextChanged();
2161 case Toolkit::TextSelectionPopup::COPY:
2163 mImpl->SendSelectionToClipboard( false ); // Text not modified
2165 mImpl->mEventData->mUpdateCursorPosition = true;
2167 mImpl->RequestRelayout(); // Cursor, Handles, Selection Highlight, Popup
2170 case Toolkit::TextSelectionPopup::PASTE:
2172 mImpl->RequestGetTextFromClipboard(); // Request clipboard service to retrieve an item
2175 case Toolkit::TextSelectionPopup::SELECT:
2177 const Vector2& currentCursorPosition = mImpl->mEventData->mDecorator->GetPosition( PRIMARY_CURSOR );
2179 if( mImpl->mEventData->mSelectionEnabled )
2181 // Creates a SELECT event.
2182 SelectEvent( currentCursorPosition.x, currentCursorPosition.y, false );
2186 case Toolkit::TextSelectionPopup::SELECT_ALL:
2188 // Creates a SELECT_ALL event
2189 SelectEvent( 0.f, 0.f, true );
2192 case Toolkit::TextSelectionPopup::CLIPBOARD:
2194 mImpl->ShowClipboard();
2197 case Toolkit::TextSelectionPopup::NONE:
2205 // private : Update.
2207 void Controller::InsertText( const std::string& text, Controller::InsertType type )
2209 bool removedPrevious( false );
2210 bool maxLengthReached( false );
2212 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected InsertText" )
2214 if( NULL == mImpl->mEventData )
2219 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::InsertText %p %s (%s) mPrimaryCursorPosition %d mPreEditFlag %d mPreEditStartPosition %d mPreEditLength %d\n",
2220 this, text.c_str(), (COMMIT == type ? "COMMIT" : "PRE_EDIT"),
2221 mImpl->mEventData->mPrimaryCursorPosition, mImpl->mEventData->mPreEditFlag, mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
2223 // TODO: At the moment the underline runs are only for pre-edit.
2224 mImpl->mModel->mVisualModel->mUnderlineRuns.Clear();
2226 // Keep the current number of characters.
2227 const Length currentNumberOfCharacters = mImpl->IsShowingRealText() ? mImpl->mModel->mLogicalModel->mText.Count() : 0u;
2229 // Remove the previous IMF pre-edit.
2230 if( mImpl->mEventData->mPreEditFlag && ( 0u != mImpl->mEventData->mPreEditLength ) )
2232 removedPrevious = RemoveText( -static_cast<int>( mImpl->mEventData->mPrimaryCursorPosition - mImpl->mEventData->mPreEditStartPosition ),
2233 mImpl->mEventData->mPreEditLength,
2234 DONT_UPDATE_INPUT_STYLE );
2236 mImpl->mEventData->mPrimaryCursorPosition = mImpl->mEventData->mPreEditStartPosition;
2237 mImpl->mEventData->mPreEditLength = 0u;
2241 // Remove the previous Selection.
2242 removedPrevious = RemoveSelectedText();
2245 Vector<Character> utf32Characters;
2246 Length characterCount = 0u;
2250 // Convert text into UTF-32
2251 utf32Characters.Resize( text.size() );
2253 // This is a bit horrible but std::string returns a (signed) char*
2254 const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
2256 // Transform a text array encoded in utf8 into an array encoded in utf32.
2257 // It returns the actual number of characters.
2258 characterCount = Utf8ToUtf32( utf8, text.size(), utf32Characters.Begin() );
2259 utf32Characters.Resize( characterCount );
2261 DALI_ASSERT_DEBUG( text.size() >= utf32Characters.Count() && "Invalid UTF32 conversion length" );
2262 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "UTF8 size %d, UTF32 size %d\n", text.size(), utf32Characters.Count() );
2265 if( 0u != utf32Characters.Count() ) // Check if Utf8ToUtf32 conversion succeeded
2267 // The placeholder text is no longer needed
2268 if( mImpl->IsShowingPlaceholderText() )
2273 mImpl->ChangeState( EventData::EDITING );
2275 // Handle the IMF (predicitive text) state changes
2276 if( COMMIT == type )
2278 // IMF manager is no longer handling key-events
2279 mImpl->ClearPreEditFlag();
2283 if( !mImpl->mEventData->mPreEditFlag )
2285 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Entered PreEdit state\n" );
2287 // Record the start of the pre-edit text
2288 mImpl->mEventData->mPreEditStartPosition = mImpl->mEventData->mPrimaryCursorPosition;
2291 mImpl->mEventData->mPreEditLength = utf32Characters.Count();
2292 mImpl->mEventData->mPreEditFlag = true;
2294 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "mPreEditStartPosition %d mPreEditLength %d\n", mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
2297 const Length numberOfCharactersInModel = mImpl->mModel->mLogicalModel->mText.Count();
2299 // Restrict new text to fit within Maximum characters setting.
2300 Length maxSizeOfNewText = std::min( ( mImpl->mMaximumNumberOfCharacters - numberOfCharactersInModel ), characterCount );
2301 maxLengthReached = ( characterCount > maxSizeOfNewText );
2303 // The cursor position.
2304 CharacterIndex& cursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
2306 // Update the text's style.
2308 // Updates the text style runs by adding characters.
2309 mImpl->mModel->mLogicalModel->UpdateTextStyleRuns( cursorIndex, maxSizeOfNewText );
2311 // Get the character index from the cursor index.
2312 const CharacterIndex styleIndex = ( cursorIndex > 0u ) ? cursorIndex - 1u : 0u;
2314 // Retrieve the text's style for the given index.
2316 mImpl->RetrieveDefaultInputStyle( style );
2317 mImpl->mModel->mLogicalModel->RetrieveStyle( styleIndex, style );
2319 // Whether to add a new text color run.
2320 const bool addColorRun = ( style.textColor != mImpl->mEventData->mInputStyle.textColor );
2322 // Whether to add a new font run.
2323 const bool addFontNameRun = style.familyName != mImpl->mEventData->mInputStyle.familyName;
2324 const bool addFontWeightRun = style.weight != mImpl->mEventData->mInputStyle.weight;
2325 const bool addFontWidthRun = style.width != mImpl->mEventData->mInputStyle.width;
2326 const bool addFontSlantRun = style.slant != mImpl->mEventData->mInputStyle.slant;
2327 const bool addFontSizeRun = style.size != mImpl->mEventData->mInputStyle.size;
2332 const VectorBase::SizeType numberOfRuns = mImpl->mModel->mLogicalModel->mColorRuns.Count();
2333 mImpl->mModel->mLogicalModel->mColorRuns.Resize( numberOfRuns + 1u );
2335 ColorRun& colorRun = *( mImpl->mModel->mLogicalModel->mColorRuns.Begin() + numberOfRuns );
2336 colorRun.color = mImpl->mEventData->mInputStyle.textColor;
2337 colorRun.characterRun.characterIndex = cursorIndex;
2338 colorRun.characterRun.numberOfCharacters = maxSizeOfNewText;
2341 if( addFontNameRun ||
2347 const VectorBase::SizeType numberOfRuns = mImpl->mModel->mLogicalModel->mFontDescriptionRuns.Count();
2348 mImpl->mModel->mLogicalModel->mFontDescriptionRuns.Resize( numberOfRuns + 1u );
2350 FontDescriptionRun& fontDescriptionRun = *( mImpl->mModel->mLogicalModel->mFontDescriptionRuns.Begin() + numberOfRuns );
2352 if( addFontNameRun )
2354 fontDescriptionRun.familyLength = mImpl->mEventData->mInputStyle.familyName.size();
2355 fontDescriptionRun.familyName = new char[fontDescriptionRun.familyLength];
2356 memcpy( fontDescriptionRun.familyName, mImpl->mEventData->mInputStyle.familyName.c_str(), fontDescriptionRun.familyLength );
2357 fontDescriptionRun.familyDefined = true;
2359 // The memory allocated for the font family name is freed when the font description is removed from the logical model.
2362 if( addFontWeightRun )
2364 fontDescriptionRun.weight = mImpl->mEventData->mInputStyle.weight;
2365 fontDescriptionRun.weightDefined = true;
2368 if( addFontWidthRun )
2370 fontDescriptionRun.width = mImpl->mEventData->mInputStyle.width;
2371 fontDescriptionRun.widthDefined = true;
2374 if( addFontSlantRun )
2376 fontDescriptionRun.slant = mImpl->mEventData->mInputStyle.slant;
2377 fontDescriptionRun.slantDefined = true;
2380 if( addFontSizeRun )
2382 fontDescriptionRun.size = static_cast<PointSize26Dot6>( mImpl->mEventData->mInputStyle.size * 64.f );
2383 fontDescriptionRun.sizeDefined = true;
2386 fontDescriptionRun.characterRun.characterIndex = cursorIndex;
2387 fontDescriptionRun.characterRun.numberOfCharacters = maxSizeOfNewText;
2390 // Insert at current cursor position.
2391 Vector<Character>& modifyText = mImpl->mModel->mLogicalModel->mText;
2393 if( cursorIndex < numberOfCharactersInModel )
2395 modifyText.Insert( modifyText.Begin() + cursorIndex, utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText );
2399 modifyText.Insert( modifyText.End(), utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText );
2402 // Mark the first paragraph to be updated.
2403 mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
2404 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd += maxSizeOfNewText;
2406 // Update the cursor index.
2407 cursorIndex += maxSizeOfNewText;
2409 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Inserted %d characters, new size %d new cursor %d\n", maxSizeOfNewText, mImpl->mModel->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition );
2412 const Length numberOfCharacters = mImpl->IsShowingRealText() ? mImpl->mModel->mLogicalModel->mText.Count() : 0u;
2414 if( ( 0u == mImpl->mModel->mLogicalModel->mText.Count() ) &&
2415 mImpl->IsPlaceholderAvailable() )
2417 // Show place-holder if empty after removing the pre-edit text
2418 ShowPlaceholderText();
2419 mImpl->mEventData->mUpdateCursorPosition = true;
2420 mImpl->ClearPreEditFlag();
2422 else if( removedPrevious ||
2423 ( 0 != utf32Characters.Count() ) )
2425 // Queue an inserted event
2426 mImpl->QueueModifyEvent( ModifyEvent::TEXT_INSERTED );
2428 mImpl->mEventData->mUpdateCursorPosition = true;
2429 if( numberOfCharacters < currentNumberOfCharacters )
2431 mImpl->mEventData->mScrollAfterDelete = true;
2435 mImpl->mEventData->mScrollAfterUpdatePosition = true;
2439 if( maxLengthReached )
2441 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "MaxLengthReached (%d)\n", mImpl->mModel->mLogicalModel->mText.Count() );
2443 mImpl->ResetImfManager();
2445 if( NULL != mImpl->mEditableControlInterface )
2447 // Do this last since it provides callbacks into application code
2448 mImpl->mEditableControlInterface->MaxLengthReached();
2453 void Controller::PasteText( const std::string& stringToPaste )
2455 InsertText( stringToPaste, Text::Controller::COMMIT );
2456 mImpl->ChangeState( EventData::EDITING );
2457 mImpl->RequestRelayout();
2459 if( NULL != mImpl->mEditableControlInterface )
2461 // Do this last since it provides callbacks into application code
2462 mImpl->mEditableControlInterface->TextChanged();
2466 bool Controller::RemoveText( int cursorOffset,
2467 int numberOfCharacters,
2468 UpdateInputStyleType type )
2470 bool removed = false;
2472 if( NULL == mImpl->mEventData )
2477 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p mText.Count() %d cursor %d cursorOffset %d numberOfCharacters %d\n",
2478 this, mImpl->mModel->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition, cursorOffset, numberOfCharacters );
2480 if( !mImpl->IsShowingPlaceholderText() )
2482 // Delete at current cursor position
2483 Vector<Character>& currentText = mImpl->mModel->mLogicalModel->mText;
2484 CharacterIndex& oldCursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
2486 CharacterIndex cursorIndex = oldCursorIndex;
2488 // Validate the cursor position & number of characters
2489 if( static_cast< CharacterIndex >( std::abs( cursorOffset ) ) <= cursorIndex )
2491 cursorIndex = oldCursorIndex + cursorOffset;
2494 if( ( cursorIndex + numberOfCharacters ) > currentText.Count() )
2496 numberOfCharacters = currentText.Count() - cursorIndex;
2499 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.
2500 ( ( cursorIndex + numberOfCharacters ) <= mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters ) )
2502 // Mark the paragraphs to be updated.
2503 mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
2504 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove += numberOfCharacters;
2506 // Update the input style and remove the text's style before removing the text.
2508 if( UPDATE_INPUT_STYLE == type )
2510 // Keep a copy of the current input style.
2511 InputStyle currentInputStyle;
2512 currentInputStyle.Copy( mImpl->mEventData->mInputStyle );
2514 // Set first the default input style.
2515 mImpl->RetrieveDefaultInputStyle( mImpl->mEventData->mInputStyle );
2517 // Update the input style.
2518 mImpl->mModel->mLogicalModel->RetrieveStyle( cursorIndex, mImpl->mEventData->mInputStyle );
2520 // Compare if the input style has changed.
2521 const bool hasInputStyleChanged = !currentInputStyle.Equal( mImpl->mEventData->mInputStyle );
2523 if( hasInputStyleChanged )
2525 const InputStyle::Mask styleChangedMask = currentInputStyle.GetInputStyleChangeMask( mImpl->mEventData->mInputStyle );
2526 // Queue the input style changed signal.
2527 mImpl->mEventData->mInputStyleChangedQueue.PushBack( styleChangedMask );
2531 // Updates the text style runs by removing characters. Runs with no characters are removed.
2532 mImpl->mModel->mLogicalModel->UpdateTextStyleRuns( cursorIndex, -numberOfCharacters );
2534 // Remove the characters.
2535 Vector<Character>::Iterator first = currentText.Begin() + cursorIndex;
2536 Vector<Character>::Iterator last = first + numberOfCharacters;
2538 currentText.Erase( first, last );
2540 // Cursor position retreat
2541 oldCursorIndex = cursorIndex;
2543 mImpl->mEventData->mScrollAfterDelete = true;
2545 DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p removed %d\n", this, numberOfCharacters );
2553 bool Controller::RemoveSelectedText()
2555 bool textRemoved( false );
2557 if( EventData::SELECTING == mImpl->mEventData->mState )
2559 std::string removedString;
2560 mImpl->RetrieveSelection( removedString, true );
2562 if( !removedString.empty() )
2565 mImpl->ChangeState( EventData::EDITING );
2572 // private : Relayout.
2574 bool Controller::DoRelayout( const Size& size,
2575 OperationsMask operationsRequired,
2578 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout %p size %f,%f\n", this, size.width, size.height );
2579 bool viewUpdated( false );
2581 // Calculate the operations to be done.
2582 const OperationsMask operations = static_cast<OperationsMask>( mImpl->mOperationsPending & operationsRequired );
2584 const CharacterIndex startIndex = mImpl->mTextUpdateInfo.mParagraphCharacterIndex;
2585 const Length requestedNumberOfCharacters = mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters;
2587 // Get the current layout size.
2588 layoutSize = mImpl->mModel->mVisualModel->GetLayoutSize();
2590 if( NO_OPERATION != ( LAYOUT & operations ) )
2592 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout LAYOUT & operations\n");
2594 // Some vectors with data needed to layout and reorder may be void
2595 // after the first time the text has been laid out.
2596 // Fill the vectors again.
2598 // Calculate the number of glyphs to layout.
2599 const Vector<GlyphIndex>& charactersToGlyph = mImpl->mModel->mVisualModel->mCharactersToGlyph;
2600 const Vector<Length>& glyphsPerCharacter = mImpl->mModel->mVisualModel->mGlyphsPerCharacter;
2601 const GlyphIndex* const charactersToGlyphBuffer = charactersToGlyph.Begin();
2602 const Length* const glyphsPerCharacterBuffer = glyphsPerCharacter.Begin();
2604 const CharacterIndex lastIndex = startIndex + ( ( requestedNumberOfCharacters > 0u ) ? requestedNumberOfCharacters - 1u : 0u );
2605 const GlyphIndex startGlyphIndex = mImpl->mTextUpdateInfo.mStartGlyphIndex;
2606 const Length numberOfGlyphs = ( requestedNumberOfCharacters > 0u ) ? *( charactersToGlyphBuffer + lastIndex ) + *( glyphsPerCharacterBuffer + lastIndex ) - startGlyphIndex : 0u;
2607 const Length totalNumberOfGlyphs = mImpl->mModel->mVisualModel->mGlyphs.Count();
2609 if( 0u == totalNumberOfGlyphs )
2611 if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) )
2613 mImpl->mModel->mVisualModel->SetLayoutSize( Size::ZERO );
2616 // Nothing else to do if there is no glyphs.
2617 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout no glyphs, view updated true\n" );
2621 const Vector<LineBreakInfo>& lineBreakInfo = mImpl->mModel->mLogicalModel->mLineBreakInfo;
2622 const Vector<WordBreakInfo>& wordBreakInfo = mImpl->mModel->mLogicalModel->mWordBreakInfo;
2623 const Vector<CharacterDirection>& characterDirection = mImpl->mModel->mLogicalModel->mCharacterDirections;
2624 const Vector<GlyphInfo>& glyphs = mImpl->mModel->mVisualModel->mGlyphs;
2625 const Vector<CharacterIndex>& glyphsToCharactersMap = mImpl->mModel->mVisualModel->mGlyphsToCharacters;
2626 const Vector<Length>& charactersPerGlyph = mImpl->mModel->mVisualModel->mCharactersPerGlyph;
2627 const Character* const textBuffer = mImpl->mModel->mLogicalModel->mText.Begin();
2629 // Set the layout parameters.
2630 Layout::Parameters layoutParameters( size,
2632 lineBreakInfo.Begin(),
2633 wordBreakInfo.Begin(),
2634 ( 0u != characterDirection.Count() ) ? characterDirection.Begin() : NULL,
2636 glyphsToCharactersMap.Begin(),
2637 charactersPerGlyph.Begin(),
2638 charactersToGlyphBuffer,
2639 glyphsPerCharacterBuffer,
2640 totalNumberOfGlyphs,
2641 mImpl->mModel->mHorizontalAlignment );
2643 // Resize the vector of positions to have the same size than the vector of glyphs.
2644 Vector<Vector2>& glyphPositions = mImpl->mModel->mVisualModel->mGlyphPositions;
2645 glyphPositions.Resize( totalNumberOfGlyphs );
2647 // Whether the last character is a new paragraph character.
2648 mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph = TextAbstraction::IsNewParagraph( *( textBuffer + ( mImpl->mModel->mLogicalModel->mText.Count() - 1u ) ) );
2649 layoutParameters.isLastNewParagraph = mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph;
2651 // The initial glyph and the number of glyphs to layout.
2652 layoutParameters.startGlyphIndex = startGlyphIndex;
2653 layoutParameters.numberOfGlyphs = numberOfGlyphs;
2654 layoutParameters.startLineIndex = mImpl->mTextUpdateInfo.mStartLineIndex;
2655 layoutParameters.estimatedNumberOfLines = mImpl->mTextUpdateInfo.mEstimatedNumberOfLines;
2657 // Update the visual model.
2659 viewUpdated = mImpl->mLayoutEngine.LayoutText( layoutParameters,
2661 mImpl->mModel->mVisualModel->mLines,
2663 mImpl->mModel->mElideEnabled );
2665 viewUpdated = viewUpdated || ( newLayoutSize != layoutSize );
2669 layoutSize = newLayoutSize;
2671 if( NO_OPERATION != ( UPDATE_DIRECTION & operations ) )
2673 mImpl->mAutoScrollDirectionRTL = false;
2676 // Reorder the lines
2677 if( NO_OPERATION != ( REORDER & operations ) )
2679 Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo = mImpl->mModel->mLogicalModel->mBidirectionalParagraphInfo;
2680 Vector<BidirectionalLineInfoRun>& bidirectionalLineInfo = mImpl->mModel->mLogicalModel->mBidirectionalLineInfo;
2682 // Check first if there are paragraphs with bidirectional info.
2683 if( 0u != bidirectionalInfo.Count() )
2686 const Length numberOfLines = mImpl->mModel->mVisualModel->mLines.Count();
2688 // Reorder the lines.
2689 bidirectionalLineInfo.Reserve( numberOfLines ); // Reserve because is not known yet how many lines have right to left characters.
2690 ReorderLines( bidirectionalInfo,
2692 requestedNumberOfCharacters,
2693 mImpl->mModel->mVisualModel->mLines,
2694 bidirectionalLineInfo );
2696 // Set the bidirectional info per line into the layout parameters.
2697 layoutParameters.lineBidirectionalInfoRunsBuffer = bidirectionalLineInfo.Begin();
2698 layoutParameters.numberOfBidirectionalInfoRuns = bidirectionalLineInfo.Count();
2700 // Re-layout the text. Reorder those lines with right to left characters.
2701 mImpl->mLayoutEngine.ReLayoutRightToLeftLines( layoutParameters,
2703 requestedNumberOfCharacters,
2706 if ( ( NO_OPERATION != ( UPDATE_DIRECTION & operations ) ) && ( numberOfLines > 0 ) )
2708 const LineRun* const firstline = mImpl->mModel->mVisualModel->mLines.Begin();
2711 mImpl->mAutoScrollDirectionRTL = firstline->direction;
2717 // Sets the layout size.
2718 if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) )
2720 mImpl->mModel->mVisualModel->SetLayoutSize( layoutSize );
2725 if( NO_OPERATION != ( ALIGN & operations ) )
2727 // The laid-out lines.
2728 Vector<LineRun>& lines = mImpl->mModel->mVisualModel->mLines;
2730 // Need to align with the control's size as the text may contain lines
2731 // starting either with left to right text or right to left.
2732 mImpl->mLayoutEngine.Align( size,
2734 requestedNumberOfCharacters,
2735 mImpl->mModel->mHorizontalAlignment,
2737 mImpl->mModel->mAlignmentOffset );
2741 #if defined(DEBUG_ENABLED)
2742 std::string currentText;
2743 GetText( currentText );
2744 DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::DoRelayout [%p] mImpl->mAutoScrollDirectionRTL[%s] [%s]\n", this, (mImpl->mAutoScrollDirectionRTL)?"true":"false", currentText.c_str() );
2746 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout, view updated %s\n", ( viewUpdated ? "true" : "false" ) );
2750 void Controller::CalculateVerticalOffset( const Size& controlSize )
2752 Size layoutSize = mImpl->mModel->mVisualModel->GetLayoutSize();
2754 if( fabsf( layoutSize.height ) < Math::MACHINE_EPSILON_1000 )
2756 // Get the line height of the default font.
2757 layoutSize.height = mImpl->GetDefaultFontLineHeight();
2760 switch( mImpl->mModel->mVerticalAlignment )
2762 case Layout::VERTICAL_ALIGN_TOP:
2764 mImpl->mModel->mScrollPosition.y = 0.f;
2767 case Layout::VERTICAL_ALIGN_CENTER:
2769 mImpl->mModel->mScrollPosition.y = floorf( 0.5f * ( controlSize.height - layoutSize.height ) ); // try to avoid pixel alignment.
2772 case Layout::VERTICAL_ALIGN_BOTTOM:
2774 mImpl->mModel->mScrollPosition.y = controlSize.height - layoutSize.height;
2780 // private : Events.
2782 void Controller::ProcessModifyEvents()
2784 Vector<ModifyEvent>& events = mImpl->mModifyEvents;
2786 if( 0u == events.Count() )
2792 for( Vector<ModifyEvent>::ConstIterator it = events.Begin(),
2793 endIt = events.End();
2797 const ModifyEvent& event = *it;
2799 if( ModifyEvent::TEXT_REPLACED == event.type )
2801 // A (single) replace event should come first, otherwise we wasted time processing NOOP events
2802 DALI_ASSERT_DEBUG( it == events.Begin() && "Unexpected TEXT_REPLACED event" );
2804 TextReplacedEvent();
2806 else if( ModifyEvent::TEXT_INSERTED == event.type )
2808 TextInsertedEvent();
2810 else if( ModifyEvent::TEXT_DELETED == event.type )
2812 // Placeholder-text cannot be deleted
2813 if( !mImpl->IsShowingPlaceholderText() )
2820 if( NULL != mImpl->mEventData )
2822 // When the text is being modified, delay cursor blinking
2823 mImpl->mEventData->mDecorator->DelayCursorBlink();
2826 // Discard temporary text
2830 void Controller::TextReplacedEvent()
2832 // The natural size needs to be re-calculated.
2833 mImpl->mRecalculateNaturalSize = true;
2835 // Apply modifications to the model
2836 mImpl->mOperationsPending = ALL_OPERATIONS;
2839 void Controller::TextInsertedEvent()
2841 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextInsertedEvent" );
2843 if( NULL == mImpl->mEventData )
2848 mImpl->mEventData->mCheckScrollAmount = true;
2850 // The natural size needs to be re-calculated.
2851 mImpl->mRecalculateNaturalSize = true;
2853 // Apply modifications to the model; TODO - Optimize this
2854 mImpl->mOperationsPending = ALL_OPERATIONS;
2857 void Controller::TextDeletedEvent()
2859 DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextDeletedEvent" );
2861 if( NULL == mImpl->mEventData )
2866 mImpl->mEventData->mCheckScrollAmount = true;
2868 // The natural size needs to be re-calculated.
2869 mImpl->mRecalculateNaturalSize = true;
2871 // Apply modifications to the model; TODO - Optimize this
2872 mImpl->mOperationsPending = ALL_OPERATIONS;
2875 void Controller::SelectEvent( float x, float y, bool selectAll )
2877 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SelectEvent\n" );
2879 if( NULL != mImpl->mEventData )
2883 Event event( Event::SELECT_ALL );
2884 mImpl->mEventData->mEventQueue.push_back( event );
2888 Event event( Event::SELECT );
2889 event.p2.mFloat = x;
2890 event.p3.mFloat = y;
2891 mImpl->mEventData->mEventQueue.push_back( event );
2894 mImpl->mEventData->mCheckScrollAmount = true;
2895 mImpl->RequestRelayout();
2899 bool Controller::BackspaceKeyEvent()
2901 DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p DALI_KEY_BACKSPACE\n", this );
2903 bool removed = false;
2905 if( NULL == mImpl->mEventData )
2910 // IMF manager is no longer handling key-events
2911 mImpl->ClearPreEditFlag();
2913 if( EventData::SELECTING == mImpl->mEventData->mState )
2915 removed = RemoveSelectedText();
2917 else if( mImpl->mEventData->mPrimaryCursorPosition > 0 )
2919 // Remove the character before the current cursor position
2920 removed = RemoveText( -1,
2922 UPDATE_INPUT_STYLE );
2927 if( ( 0u != mImpl->mModel->mLogicalModel->mText.Count() ) ||
2928 !mImpl->IsPlaceholderAvailable() )
2930 mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
2934 ShowPlaceholderText();
2936 mImpl->mEventData->mUpdateCursorPosition = true;
2937 mImpl->mEventData->mScrollAfterDelete = true;
2943 // private : Helpers.
2945 void Controller::ResetText()
2948 mImpl->mModel->mLogicalModel->mText.Clear();
2950 // We have cleared everything including the placeholder-text
2951 mImpl->PlaceholderCleared();
2953 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
2954 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
2955 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = 0u;
2957 // Clear any previous text.
2958 mImpl->mTextUpdateInfo.mClearAll = true;
2960 // The natural size needs to be re-calculated.
2961 mImpl->mRecalculateNaturalSize = true;
2963 // Apply modifications to the model
2964 mImpl->mOperationsPending = ALL_OPERATIONS;
2967 void Controller::ShowPlaceholderText()
2969 if( mImpl->IsPlaceholderAvailable() )
2971 DALI_ASSERT_DEBUG( mImpl->mEventData && "No placeholder text available" );
2973 if( NULL == mImpl->mEventData )
2978 mImpl->mEventData->mIsShowingPlaceholderText = true;
2980 // Disable handles when showing place-holder text
2981 mImpl->mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
2982 mImpl->mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
2983 mImpl->mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
2985 const char* text( NULL );
2988 // TODO - Switch placeholder text styles when changing state
2989 if( ( EventData::INACTIVE != mImpl->mEventData->mState ) &&
2990 ( 0u != mImpl->mEventData->mPlaceholderTextActive.c_str() ) )
2992 text = mImpl->mEventData->mPlaceholderTextActive.c_str();
2993 size = mImpl->mEventData->mPlaceholderTextActive.size();
2997 text = mImpl->mEventData->mPlaceholderTextInactive.c_str();
2998 size = mImpl->mEventData->mPlaceholderTextInactive.size();
3001 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
3002 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
3004 // Reset model for showing placeholder.
3005 mImpl->mModel->mLogicalModel->mText.Clear();
3006 mImpl->mModel->mVisualModel->SetTextColor( mImpl->mEventData->mPlaceholderTextColor );
3008 // Convert text into UTF-32
3009 Vector<Character>& utf32Characters = mImpl->mModel->mLogicalModel->mText;
3010 utf32Characters.Resize( size );
3012 // This is a bit horrible but std::string returns a (signed) char*
3013 const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text );
3015 // Transform a text array encoded in utf8 into an array encoded in utf32.
3016 // It returns the actual number of characters.
3017 const Length characterCount = Utf8ToUtf32( utf8, size, utf32Characters.Begin() );
3018 utf32Characters.Resize( characterCount );
3020 // The characters to be added.
3021 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = characterCount;
3023 // Reset the cursor position
3024 mImpl->mEventData->mPrimaryCursorPosition = 0;
3026 // The natural size needs to be re-calculated.
3027 mImpl->mRecalculateNaturalSize = true;
3029 // Apply modifications to the model
3030 mImpl->mOperationsPending = ALL_OPERATIONS;
3032 // Update the rest of the model during size negotiation
3033 mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED );
3037 void Controller::ClearFontData()
3039 if( mImpl->mFontDefaults )
3041 mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
3044 // Set flags to update the model.
3045 mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
3046 mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
3047 mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mModel->mLogicalModel->mText.Count();
3049 mImpl->mTextUpdateInfo.mClearAll = true;
3050 mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true;
3051 mImpl->mRecalculateNaturalSize = true;
3053 mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
3058 UPDATE_LAYOUT_SIZE |
3063 void Controller::ClearStyleData()
3065 mImpl->mModel->mLogicalModel->mColorRuns.Clear();
3066 mImpl->mModel->mLogicalModel->ClearFontDescriptionRuns();
3069 void Controller::ResetCursorPosition( CharacterIndex cursorIndex )
3071 // Reset the cursor position
3072 if( NULL != mImpl->mEventData )
3074 mImpl->mEventData->mPrimaryCursorPosition = cursorIndex;
3076 // Update the cursor if it's in editing mode.
3077 if( EventData::IsEditingState( mImpl->mEventData->mState ) )
3079 mImpl->mEventData->mUpdateCursorPosition = true;
3084 void Controller::ResetScrollPosition()
3086 if( NULL != mImpl->mEventData )
3088 // Reset the scroll position.
3089 mImpl->mModel->mScrollPosition = Vector2::ZERO;
3090 mImpl->mEventData->mScrollAfterUpdatePosition = true;
3094 // private : Private contructors & copy operator.
3096 Controller::Controller()
3099 mImpl = new Controller::Impl( NULL, NULL );
3102 Controller::Controller( ControlInterface* controlInterface )
3104 mImpl = new Controller::Impl( controlInterface, NULL );
3107 Controller::Controller( ControlInterface* controlInterface,
3108 EditableControlInterface* editableControlInterface )
3110 mImpl = new Controller::Impl( controlInterface,
3111 editableControlInterface );
3114 // The copy constructor and operator are left unimplemented.
3116 // protected : Destructor.
3118 Controller::~Controller()
3125 } // namespace Toolkit