2 * Copyright (c) 2014 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.
18 #include <dali/dali.h>
20 #include <dali-toolkit/internal/controls/text-input/text-input-impl.h>
21 #include <dali-toolkit/internal/controls/text-view/text-processor.h>
22 #include <dali-toolkit/public-api/controls/buttons/push-button.h>
23 #include <dali-toolkit/public-api/controls/alignment/alignment.h>
24 #include <dali-toolkit/public-api/controls/default-controls/solid-color-actor.h>
26 #include <dali/integration-api/debug.h>
39 #if defined(DEBUG_ENABLED)
40 Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, false, "LOG_TEXT_INPUT");
43 const std::size_t DEFAULT_MAX_SIZE( std::numeric_limits<std::size_t>::max() ); // Max possible number
44 const std::size_t DEFAULT_NUMBER_OF_LINES_LIMIT( std::numeric_limits<std::size_t>::max() ); // Max possible number
45 const Vector3 DEFAULT_SELECTION_HANDLE_SIZE( 51.0f, 79.0f, 0.0f ); // Selection cursor image size
46 const Vector3 DEFAULT_GRAB_HANDLE_RELATIVE_SIZE( 1.5f, 2.0f, 1.0f );
47 const Vector3 DEFAULT_SELECTION_HANDLE_RELATIVE_SIZE( 1.5f, 1.5f, 1.0f );
48 const Vector4 LIGHTBLUE( 0.07f, 0.41f, 0.59f, 1.0f ); // Used for Selection highlight
50 const char* DEFAULT_GRAB_HANDLE( DALI_IMAGE_DIR "insertpoint-icon.png" );
51 const char* DEFAULT_SELECTION_HANDLE_ONE( DALI_IMAGE_DIR "text-input-selection-handle-left.png" );
52 const char* DEFAULT_SELECTION_HANDLE_TWO( DALI_IMAGE_DIR "text-input-selection-handle-right.png" );
53 const char* DEFAULT_SELECTION_HANDLE_ONE_PRESSED( DALI_IMAGE_DIR "text-input-selection-handle-left-press.png" );
54 const char* DEFAULT_SELECTION_HANDLE_TWO_PRESSED( DALI_IMAGE_DIR "text-input-selection-handle-right-press.png" );
56 const std::size_t CURSOR_BLINK_INTERVAL = 500; ///< Cursor blink interval
57 const float CHARACTER_THRESHOLD( 2.5f ); ///< the threshold of a line.
58 const float DISPLAYED_HIGHLIGHT_Z_OFFSET( 0.1f ); ///< 1. Highlight rendered (z-offset).
59 const float DISPLAYED_TEXT_VIEW_Z_OFFSET( 0.2f ); ///< 2. Text rendered (z-offset).
60 const float UI_Z_OFFSET( 0.2f ); ///< 3. Text Selection Handles/Cursor z-offset.
62 const Vector3 UI_OFFSET(0.0f, 0.0f, UI_Z_OFFSET); ///< Text Selection Handles/Cursor offset.
63 const Vector3 DEFAULT_HANDLE_ONE_OFFSET(0.0f, -5.0f, 0.0f); ///< Handle One's Offset
64 const Vector3 DEFAULT_HANDLE_TWO_OFFSET(0.0f, -5.0f, 0.0f); ///< Handle Two's Offset
65 const float TOP_HANDLE_TOP_OFFSET( 34.0f); ///< Offset between top handle and cutCopyPaste pop-up
66 const float BOTTOM_HANDLE_BOTTOM_OFFSET(34.0f); ///< Offset between bottom handle and cutCopyPaste pop-up
67 const float CURSOR_THICKNESS(4.0f);
68 const Degree CURSOR_ANGLE_OFFSET(2.0f); ///< Offset from the angle of italic angle.
69 const Vector4 DEFAULT_CURSOR_COLOR(1.0f, 1.0f, 1.0f, 1.0f);
71 const std::string NEWLINE( "\n" );
73 const TextStyle DEFAULT_TEXT_STYLE;
75 const unsigned int SCROLL_TICK_INTERVAL = 50u;
76 const float SCROLL_THRESHOLD = 10.f;
77 const float SCROLL_SPEED = 15.f;
80 * Selection state enumeration (FSM)
84 SelectionNone, ///< Currently not encountered selected section.
85 SelectionStarted, ///< Encountered selected section
86 SelectionFinished ///< Finished selected section
90 * Whether the given style is the default style or not.
91 * @param[in] style The given style.
92 * @return \e true if the given style is the default. Otherwise it returns \e false.
94 bool IsDefaultStyle( const TextStyle& style )
96 return DEFAULT_TEXT_STYLE == style;
100 * Whether the given styled text is using the default style or not.
101 * @param[in] textArray The given text.
102 * @return \e true if the given styled text is using the default style. Otherwise it returns \e false.
104 bool IsTextDefaultStyle( const Toolkit::MarkupProcessor::StyledTextArray& textArray )
106 for( Toolkit::MarkupProcessor::StyledTextArray::const_iterator it = textArray.begin(), endIt = textArray.end(); it != endIt; ++it )
108 const TextStyle& style( (*it).mStyle );
110 if( !IsDefaultStyle( style ) )
119 std::size_t FindVisibleCharacterLeft( std::size_t cursorPosition, const Toolkit::TextView::CharacterLayoutInfoContainer& characterLayoutInfoTable )
121 for( Toolkit::TextView::CharacterLayoutInfoContainer::const_reverse_iterator it = characterLayoutInfoTable.rbegin() + characterLayoutInfoTable.size() - cursorPosition, endIt = characterLayoutInfoTable.rend();
125 if( ( *it ).mIsVisible )
127 return --cursorPosition;
136 std::size_t FindVisibleCharacterRight( std::size_t cursorPosition, const Toolkit::TextView::CharacterLayoutInfoContainer& characterLayoutInfoTable )
138 for( Toolkit::TextView::CharacterLayoutInfoContainer::const_iterator it = characterLayoutInfoTable.begin() + cursorPosition, endIt = characterLayoutInfoTable.end(); it < endIt; ++it )
140 if( ( *it ).mIsVisible )
142 return cursorPosition;
148 return cursorPosition;
152 * Whether the given position plus the cursor size offset is inside the given boundary.
154 * @param[in] position The given position.
155 * @param[in] cursorSize The cursor size.
156 * @param[in] controlSize The given boundary.
158 * @return whether the given position is inside the given boundary.
160 bool IsPositionInsideBoundaries( const Vector3& position, const Size& cursorSize, const Vector3& controlSize )
162 return ( position.x >= -Math::MACHINE_EPSILON_1000 ) &&
163 ( position.x <= controlSize.width + Math::MACHINE_EPSILON_1000 ) &&
164 ( position.y - cursorSize.height >= -Math::MACHINE_EPSILON_1000 ) &&
165 ( position.y <= controlSize.height + Math::MACHINE_EPSILON_1000 );
169 * Splits a text in two halves.
171 * If the text's number of characters is odd, firstHalf has one more character.
173 * @param[in] text The text to be split.
174 * @param[out] firstHalf The first half of the text.
175 * @param[out] secondHalf The second half of the text.
177 void SplitText( const Toolkit::MarkupProcessor::StyledTextArray& text,
178 Toolkit::MarkupProcessor::StyledTextArray& firstHalf,
179 Toolkit::MarkupProcessor::StyledTextArray& secondHalf )
184 const std::size_t textLength = text.size();
185 const std::size_t half = ( textLength / 2 ) + ( textLength % 2 );
187 firstHalf.insert( firstHalf.end(), text.begin(), text.begin() + half );
188 secondHalf.insert( secondHalf.end(), text.begin() + half, text.end() );
191 } // end of namespace
199 const Property::Index TextInput::HIGHLIGHT_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX;
200 const Property::Index TextInput::CUT_AND_PASTE_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+1;
201 const Property::Index TextInput::CUT_AND_PASTE_PRESSED_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+2;
202 const Property::Index TextInput::CUT_AND_PASTE_BORDER_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+3;
203 const Property::Index TextInput::CUT_AND_PASTE_ICON_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+4;
204 const Property::Index TextInput::CUT_AND_PASTE_ICON_PRESSED_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+5;
205 const Property::Index TextInput::CUT_AND_PASTE_TEXT_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+6;
206 const Property::Index TextInput::CUT_AND_PASTE_TEXT_PRESSED_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+7;
207 const Property::Index TextInput::CUT_BUTTON_POSITION_PRIORITY_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+8;
208 const Property::Index TextInput::COPY_BUTTON_POSITION_PRIORITY_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+9;
209 const Property::Index TextInput::PASTE_BUTTON_POSITION_PRIORITY_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+10;
210 const Property::Index TextInput::SELECT_BUTTON_POSITION_PRIORITY_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+11;
211 const Property::Index TextInput::SELECT_ALL_BUTTON_POSITION_PRIORITY_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+12;
212 const Property::Index TextInput::CLIPBOARD_BUTTON_POSITION_PRIORITY_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+13;
213 const Property::Index TextInput::POP_UP_OFFSET_FROM_TEXT_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+14;
214 const Property::Index TextInput::CURSOR_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+15;
225 return Toolkit::TextInput::New();
228 TypeRegistration typeRegistration( typeid(Toolkit::TextInput), typeid(Toolkit::Control), Create );
230 SignalConnectorType signalConnector1( typeRegistration, Toolkit::TextInput::SIGNAL_START_INPUT, &TextInput::DoConnectSignal );
231 SignalConnectorType signalConnector2( typeRegistration, Toolkit::TextInput::SIGNAL_END_INPUT, &TextInput::DoConnectSignal );
232 SignalConnectorType signalConnector3( typeRegistration, Toolkit::TextInput::SIGNAL_STYLE_CHANGED, &TextInput::DoConnectSignal );
233 SignalConnectorType signalConnector4( typeRegistration, Toolkit::TextInput::SIGNAL_MAX_INPUT_CHARACTERS_REACHED, &TextInput::DoConnectSignal );
234 SignalConnectorType signalConnector5( typeRegistration, Toolkit::TextInput::SIGNAL_TOOLBAR_DISPLAYED, &TextInput::DoConnectSignal );
235 SignalConnectorType signalConnector6( typeRegistration, Toolkit::TextInput::SIGNAL_TEXT_EXCEED_BOUNDARIES, &TextInput::DoConnectSignal );
239 PropertyRegistration property1( typeRegistration, "highlight-color", Toolkit::TextInput::HIGHLIGHT_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
240 PropertyRegistration property2( typeRegistration, "cut-and-paste-bg-color", Toolkit::TextInput::CUT_AND_PASTE_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
241 PropertyRegistration property3( typeRegistration, "cut-and-paste-pressed-color", Toolkit::TextInput::CUT_AND_PASTE_PRESSED_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
242 PropertyRegistration property4( typeRegistration, "cut-and-paste-icon-color", Toolkit::TextInput::CUT_AND_PASTE_ICON_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
243 PropertyRegistration property5( typeRegistration, "cut-and-paste-icon-pressed-color", Toolkit::TextInput::CUT_AND_PASTE_ICON_PRESSED_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
244 PropertyRegistration property6( typeRegistration, "cut-and-paste-text-color", Toolkit::TextInput::CUT_AND_PASTE_TEXT_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
245 PropertyRegistration property7( typeRegistration, "cut-and-paste-text-pressed-color", Toolkit::TextInput::CUT_AND_PASTE_TEXT_PRESSED_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
246 PropertyRegistration property8( typeRegistration, "cut-and-paste-border-color", Toolkit::TextInput::CUT_AND_PASTE_BORDER_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
247 PropertyRegistration property9( typeRegistration, "cut-button-position-priority", Toolkit::TextInput::CUT_BUTTON_POSITION_PRIORITY_PROPERTY, Property::UNSIGNED_INTEGER, &TextInput::SetProperty, &TextInput::GetProperty );
248 PropertyRegistration property10( typeRegistration, "copy-button-position-priority", Toolkit::TextInput::COPY_BUTTON_POSITION_PRIORITY_PROPERTY, Property::UNSIGNED_INTEGER, &TextInput::SetProperty, &TextInput::GetProperty );
249 PropertyRegistration property11( typeRegistration, "paste-button-position-priority", Toolkit::TextInput::PASTE_BUTTON_POSITION_PRIORITY_PROPERTY, Property::UNSIGNED_INTEGER, &TextInput::SetProperty, &TextInput::GetProperty );
250 PropertyRegistration property12( typeRegistration, "select-button-position-priority", Toolkit::TextInput::SELECT_BUTTON_POSITION_PRIORITY_PROPERTY, Property::UNSIGNED_INTEGER, &TextInput::SetProperty, &TextInput::GetProperty );
251 PropertyRegistration property13( typeRegistration, "select-all-button-position-priority", Toolkit::TextInput::SELECT_ALL_BUTTON_POSITION_PRIORITY_PROPERTY, Property::UNSIGNED_INTEGER, &TextInput::SetProperty, &TextInput::GetProperty );
252 PropertyRegistration property14( typeRegistration, "clipboard-button-position-priority", Toolkit::TextInput::CLIPBOARD_BUTTON_POSITION_PRIORITY_PROPERTY, Property::UNSIGNED_INTEGER, &TextInput::SetProperty, &TextInput::GetProperty );
253 PropertyRegistration property15( typeRegistration, "popup-offset-from-text", Toolkit::TextInput::POP_UP_OFFSET_FROM_TEXT_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
254 PropertyRegistration property16( typeRegistration, "cursor-color", Toolkit::TextInput::CURSOR_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
257 // [TextInput::HighlightInfo] /////////////////////////////////////////////////
259 void TextInput::HighlightInfo::AddQuad( float x1, float y1, float x2, float y2 )
261 QuadCoordinates quad(x1, y1, x2, y2);
262 mQuadList.push_back( quad );
265 void TextInput::HighlightInfo::Clamp2D(const Vector2& min, const Vector2& max)
267 for(std::size_t i = 0;i < mQuadList.size(); i++)
269 QuadCoordinates& quad = mQuadList[i];
271 quad.min.Clamp(min, max);
272 quad.max.Clamp(min, max);
276 // [TextInput] ////////////////////////////////////////////////////////////////
278 Dali::Toolkit::TextInput TextInput::New()
280 // Create the implementation
281 TextInputPtr textInput(new TextInput());
282 // Pass ownership to CustomActor via derived handle
283 Dali::Toolkit::TextInput handle(*textInput);
285 textInput->Initialize();
290 TextInput::TextInput()
291 :Control( ControlBehaviour( REQUIRES_TOUCH_EVENTS | REQUIRES_STYLE_CHANGE_SIGNALS ) ),
296 mDisplayedTextView(),
297 mStyledPlaceHolderText(),
298 mMaxStringLength( DEFAULT_MAX_SIZE ),
299 mNumberOflinesLimit( DEFAULT_NUMBER_OF_LINES_LIMIT ),
300 mCursorPosition( 0 ),
301 mActualGrabHandlePosition( 0.0f, 0.0f, 0.0f ),
302 mIsSelectionHandleOneFlipped( false ),
303 mIsSelectionHandleTwoFlipped( false ),
304 mSelectionHandleOneOffset( DEFAULT_HANDLE_ONE_OFFSET ),
305 mSelectionHandleTwoOffset( DEFAULT_HANDLE_TWO_OFFSET ),
306 mSelectionHandleOneActualPosition( 0.0f, 0.0f , 0.0f ),
307 mSelectionHandleTwoActualPosition( 0.0f, 0.0f , 0.0f ),
308 mSelectionHandleOnePosition( 0 ),
309 mSelectionHandleTwoPosition( 0 ),
311 mPreEditStartPosition( 0 ),
312 mPreEditLength ( 0 ),
313 mNumberOfSurroundingCharactersDeleted( 0 ),
314 mTouchStartTime( 0 ),
316 mCurrentCopySelecton(),
319 mScrollDisplacement(),
320 mCurrentHandlePosition(),
321 mCurrentSelectionId(),
322 mCurrentSelectionHandlePosition(),
323 mRequestedSelection( 0, 0 ),
324 mSelectionHandleFlipMargin( 0.0f, 0.0f, 0.0f, 0.0f ),
325 mBoundingRectangleWorldCoordinates( 0.0f, 0.0f, 0.0f, 0.0f ),
327 mMaterialColor( LIGHTBLUE ),
328 mPopupOffsetFromText ( Vector4( 0.0f, TOP_HANDLE_TOP_OFFSET, 0.0f, BOTTOM_HANDLE_BOTTOM_OFFSET ) ),
329 mOverrideAutomaticAlignment( false ),
330 mCursorRTLEnabled( false ),
331 mClosestCursorPositionEOL ( false ),
332 mCursorBlinkStatus( true ),
333 mCursorVisibility( false ),
334 mGrabHandleVisibility( false ),
335 mIsCursorInScrollArea( true ),
336 mIsGrabHandleInScrollArea( true ),
337 mEditModeActive( false ),
338 mEditOnTouch( true ),
339 mTextSelection( true ),
340 mExceedEnabled( true ),
341 mGrabHandleEnabled( true ),
342 mIsSelectionHandleFlipEnabled( true ),
343 mPreEditFlag( false ),
344 mIgnoreCommitFlag( false ),
345 mIgnoreFirstCommitFlag( false ),
346 mSelectingText( false ),
347 mPreserveCursorPosition( false ),
348 mSelectTextOnCommit( false ),
349 mUnderlinedPriorToPreEdit ( false ),
350 mCommitByKeyInput( false ),
351 mPlaceHolderSet( false ),
352 mMarkUpEnabled( false )
354 // Updates the line height accordingly with the input style.
358 TextInput::~TextInput()
360 StopCursorBlinkTimer();
365 std::string TextInput::GetText() const
369 // Return text-view's text only if the text-input's text is not empty
370 // in order to not to return the placeholder text.
371 if( !mStyledText.empty() )
373 text = mDisplayedTextView.GetText();
379 std::string TextInput::GetMarkupText() const
381 std::string markupString;
382 MarkupProcessor::GetMarkupString( mStyledText, markupString );
387 void TextInput::SetPlaceholderText( const std::string& placeHolderText )
389 // Get the placeholder styled text array from the markup string.
390 MarkupProcessor::GetStyledTextArray( placeHolderText, mStyledPlaceHolderText, IsMarkupProcessingEnabled() );
392 if( mStyledText.empty() )
394 // Set the placeholder text only if the styled text is empty.
395 mDisplayedTextView.SetText( mStyledPlaceHolderText );
396 mPlaceHolderSet = true;
400 std::string TextInput::GetPlaceholderText()
402 // Traverses the styled placeholder array getting only the text.
403 // Note that for some languages a 'character' could be represented by more than one 'char'
405 std::string placeholderText;
406 for( MarkupProcessor::StyledTextArray::const_iterator it = mStyledPlaceHolderText.begin(), endIt = mStyledPlaceHolderText.end(); it != endIt; ++it )
408 placeholderText.append( (*it).mText.GetText() );
411 return placeholderText ;
414 void TextInput::SetInitialText(const std::string& initialText)
416 DALI_LOG_INFO(gLogFilter, Debug::General, "SetInitialText string[%s]\n", initialText.c_str() );
418 if ( mPreEditFlag ) // If in the pre-edit state and text is being set then discard text being inserted.
420 mPreEditFlag = false;
421 mIgnoreCommitFlag = true;
424 SetText( initialText );
425 PreEditReset( false ); // Reset keyboard as text changed
428 void TextInput::SetText(const std::string& initialText)
430 DALI_LOG_INFO(gLogFilter, Debug::General, "SetText string[%s]\n", initialText.c_str() );
432 GetStyledTextArray( initialText, mStyledText, IsMarkupProcessingEnabled() );
434 if( mStyledText.empty() )
436 // If the initial text is empty, set the placeholder text.
437 mDisplayedTextView.SetText( mStyledPlaceHolderText );
438 mPlaceHolderSet = true;
442 mDisplayedTextView.SetText( mStyledText );
443 mPlaceHolderSet = false;
448 mCursorPosition = mTextLayoutInfo.mCharacterLayoutInfoTable.size();
450 ImfManager imfManager = ImfManager::Get();
453 imfManager.SetCursorPosition( mCursorPosition );
454 imfManager.SetSurroundingText( initialText );
455 imfManager.NotifyCursorPosition();
458 if( IsScrollEnabled() )
460 ScrollTextViewToMakeCursorVisible( Vector3( mTextLayoutInfo.mScrollOffset.x, mTextLayoutInfo.mScrollOffset.y, 0.f ) );
463 ShowGrabHandleAndSetVisibility( false );
472 void TextInput::SetText( const MarkupProcessor::StyledTextArray& styleText )
474 DALI_LOG_INFO(gLogFilter, Debug::General, "SetText markup text\n" );
476 mDisplayedTextView.SetText( styleText );
477 mPlaceHolderSet = false;
479 // If text alignment hasn't been manually set by application developer, then we
480 // automatically determine the alignment based on the content of the text i.e. what
481 // language the text begins with.
482 // TODO: This should determine different alignments for each line (broken by '\n') of text.
483 if(!mOverrideAutomaticAlignment)
485 // Determine bidi direction of first character (skipping past whitespace, numbers, and symbols)
486 bool leftToRight(true);
488 if( !styleText.empty() )
490 bool breakOut(false);
492 for( MarkupProcessor::StyledTextArray::const_iterator textIter = styleText.begin(), textEndIter = styleText.end(); ( textIter != textEndIter ) && ( !breakOut ); ++textIter )
494 const Text& text = textIter->mText;
496 for( std::size_t i = 0; i < text.GetLength(); ++i )
498 Character character( text[i] );
499 if( character.GetCharacterDirection() != Character::Neutral )
501 leftToRight = ( character.GetCharacterDirection() == Character::LeftToRight );
509 // Based on this direction, either left or right align text if not manually set by application developer.
510 mDisplayedTextView.SetTextAlignment( static_cast<Toolkit::Alignment::Type>(
511 ( leftToRight ? Toolkit::Alignment::HorizontalLeft : Toolkit::Alignment::HorizontalRight) |
512 Toolkit::Alignment::VerticalTop ) );
513 mDisplayedTextView.SetLineJustification( leftToRight ? Toolkit::TextView::Left : Toolkit::TextView::Right);
519 void TextInput::SetMaxCharacterLength(std::size_t maxChars)
521 mMaxStringLength = maxChars;
524 void TextInput::SetNumberOfLinesLimit(std::size_t maxLines)
526 DALI_ASSERT_DEBUG( maxLines > 0 )
530 mNumberOflinesLimit = maxLines;
534 std::size_t TextInput::GetNumberOfLinesLimit() const
536 return mNumberOflinesLimit;
539 std::size_t TextInput::GetNumberOfCharacters() const
541 return mStyledText.size();
545 void TextInput::SetMaterialDiffuseColor( const Vector4& color )
547 mMaterialColor = color;
548 if ( mCustomMaterial )
550 mCustomMaterial.SetDiffuseColor( mMaterialColor );
551 mMeshData.SetMaterial( mCustomMaterial );
555 const Vector4& TextInput::GetMaterialDiffuseColor() const
557 return mMaterialColor;
562 Toolkit::TextInput::InputSignalV2& TextInput::InputStartedSignal()
564 return mInputStartedSignalV2;
567 Toolkit::TextInput::InputSignalV2& TextInput::InputFinishedSignal()
569 return mInputFinishedSignalV2;
572 Toolkit::TextInput::InputSignalV2& TextInput::CutAndPasteToolBarDisplayedSignal()
574 return mCutAndPasteToolBarDisplayedV2;
577 Toolkit::TextInput::StyleChangedSignalV2& TextInput::StyleChangedSignal()
579 return mStyleChangedSignalV2;
582 Toolkit::TextInput::TextModifiedSignalType& TextInput::TextModifiedSignal()
584 return mTextModifiedSignal;
587 Toolkit::TextInput::MaxInputCharactersReachedSignalV2& TextInput::MaxInputCharactersReachedSignal()
589 return mMaxInputCharactersReachedSignalV2;
592 Toolkit::TextInput::InputTextExceedBoundariesSignalV2& TextInput::InputTextExceedBoundariesSignal()
594 return mInputTextExceedBoundariesSignalV2;
597 bool TextInput::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
599 Dali::BaseHandle handle( object );
601 bool connected( true );
602 Toolkit::TextInput textInput = Toolkit::TextInput::DownCast(handle);
604 if( Toolkit::TextInput::SIGNAL_START_INPUT == signalName )
606 textInput.InputStartedSignal().Connect( tracker, functor );
608 else if( Toolkit::TextInput::SIGNAL_END_INPUT == signalName )
610 textInput.InputFinishedSignal().Connect( tracker, functor );
612 else if( Toolkit::TextInput::SIGNAL_STYLE_CHANGED == signalName )
614 textInput.StyleChangedSignal().Connect( tracker, functor );
616 else if( Toolkit::TextInput::SIGNAL_MAX_INPUT_CHARACTERS_REACHED == signalName )
618 textInput.MaxInputCharactersReachedSignal().Connect( tracker, functor );
620 else if( Toolkit::TextInput::SIGNAL_TEXT_EXCEED_BOUNDARIES == signalName )
622 textInput.InputTextExceedBoundariesSignal().Connect( tracker, functor );
626 // signalName does not match any signal
633 void TextInput::SetEditable(bool editMode, bool setCursorOnTouchPoint, const Vector2& touchPoint)
637 // update line height before calculate the actual position.
642 if( setCursorOnTouchPoint )
644 // Sets the cursor position for the given touch point.
645 ReturnClosestIndex( touchPoint, mCursorPosition );
647 // Creates the grab handle.
648 if( IsGrabHandleEnabled() )
650 const Vector3 cursorPosition = GetActualPositionFromCharacterPosition(mCursorPosition);
654 mActualGrabHandlePosition.x = cursorPosition.x; // Set grab handle to be at the cursor position
655 mActualGrabHandlePosition.y = cursorPosition.y; // Set grab handle to be at the cursor position
656 mGrabHandle.SetPosition( mActualGrabHandlePosition + UI_OFFSET );
657 ShowGrabHandleAndSetVisibility( true );
659 // Scrolls the text-view if needed.
660 if( IsScrollEnabled() )
662 ScrollTextViewToMakeCursorVisible( cursorPosition );
668 mCursorPosition = mStyledText.size(); // Initially set cursor position to end of string.
680 bool TextInput::IsEditable() const
682 return mEditModeActive;
685 void TextInput::SetEditOnTouch( bool editOnTouch )
687 mEditOnTouch = editOnTouch;
690 bool TextInput::IsEditOnTouch() const
695 void TextInput::SetTextSelectable( bool textSelectable )
697 mTextSelection = textSelectable;
700 bool TextInput::IsTextSelectable() const
702 return mTextSelection;
705 bool TextInput::IsTextSelected() const
707 return mHighlightMeshActor;
710 void TextInput::DeSelectText()
717 void TextInput::SetGrabHandleImage(Dali::Image image )
721 CreateGrabHandle(image);
725 void TextInput::SetCursorImage(Dali::Image image, const Vector4& border )
727 DALI_ASSERT_DEBUG ( image && "Create cursor image invalid")
731 mCursor.SetImage( image );
732 mCursor.SetNinePatchBorder( border );
736 Vector3 TextInput::GetSelectionHandleSize()
738 return DEFAULT_SELECTION_HANDLE_SIZE;
741 void TextInput::SetRTLCursorImage(Dali::Image image, const Vector4& border )
743 DALI_ASSERT_DEBUG ( image && "Create cursor image invalid")
747 mCursorRTL.SetImage( image);
748 mCursorRTL.SetNinePatchBorder( border );
752 void TextInput::EnableGrabHandle(bool toggle)
754 // enables grab handle with will in turn de-activate magnifier
755 mGrabHandleEnabled = toggle;
758 bool TextInput::IsGrabHandleEnabled()
760 // if false then magnifier will be shown instead.
761 return mGrabHandleEnabled;
764 void TextInput::EnableSelectionHandleFlip( bool toggle )
766 // Deprecated function. To be removed.
767 mIsSelectionHandleFlipEnabled = toggle;
770 bool TextInput::IsSelectionHandleFlipEnabled()
772 // Deprecated function, To be removed. Returns true as handle flipping always enabled by default so handles do not exceed screen.
776 void TextInput::SetSelectionHandleFlipMargin( const Vector4& margin )
778 // Deprecated function, now just stores margin for retreival, remove completely once depricated Public API removed.
779 Vector3 textInputSize = mDisplayedTextView.GetCurrentSize();
780 const Vector4 flipBoundary( -margin.x, -margin.y, textInputSize.width + margin.z, textInputSize.height + margin.w );
782 mSelectionHandleFlipMargin = margin;
785 void TextInput::SetBoundingRectangle( const Rect<float>& boundingRectangle )
787 // Convert to world coordinates and store as a Vector4 to be compatiable with Property Notifications.
788 Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
790 const float originX = boundingRectangle.x - 0.5f * stageSize.width;
791 const float originY = boundingRectangle.y - 0.5f * stageSize.height;
793 const Vector4 boundary( originX,
795 originX + boundingRectangle.width,
796 originY + boundingRectangle.height );
798 mBoundingRectangleWorldCoordinates = boundary;
801 const Rect<float> TextInput::GetBoundingRectangle() const
803 Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
805 const float originX = mBoundingRectangleWorldCoordinates.x + 0.5f * stageSize.width;
806 const float originY = mBoundingRectangleWorldCoordinates.y + 0.5f * stageSize.height;
808 Rect<float>boundingRect( originX, originY, mBoundingRectangleWorldCoordinates.z - mBoundingRectangleWorldCoordinates.x, mBoundingRectangleWorldCoordinates.w - mBoundingRectangleWorldCoordinates.y);
813 const Vector4& TextInput::GetSelectionHandleFlipMargin()
815 return mSelectionHandleFlipMargin;
818 void TextInput::SetTextColor( const Vector4& color )
820 mDisplayedTextView.SetColor( color );
823 void TextInput::SetActiveStyle( const TextStyle& style, const TextStyle::Mask mask )
825 if( style != mInputStyle )
828 bool emitSignal = false;
830 // mask: modify style according to mask, if different emit signal.
831 const TextStyle oldInputStyle( mInputStyle );
833 // Copy the new style.
834 mInputStyle.Copy( style, mask );
836 // if style has changed, emit signal.
837 if( oldInputStyle != mInputStyle )
842 // Updates the line height accordingly with the input style.
845 // Changing font point size will require the cursor to be re-sized
850 EmitStyleChangedSignal();
855 void TextInput::ApplyStyle( const TextStyle& style, const TextStyle::Mask mask )
857 if ( IsTextSelected() )
859 const std::size_t begin = std::min(mSelectionHandleOnePosition, mSelectionHandleTwoPosition);
860 const std::size_t end = std::max(mSelectionHandleOnePosition, mSelectionHandleTwoPosition) - 1;
862 if( !mTextLayoutInfo.mCharacterLogicalToVisualMap.empty() )
864 ApplyStyleToRange(style, mask, mTextLayoutInfo.mCharacterLogicalToVisualMap[begin], mTextLayoutInfo.mCharacterLogicalToVisualMap[end]);
867 // Keeps the old style to be compared with the new one.
868 const TextStyle oldInputStyle( mInputStyle );
870 // Copy only those parameters from the style which are set in the mask.
871 mInputStyle.Copy( style, mask );
873 if( mInputStyle != oldInputStyle )
875 // Updates the line height accordingly with the input style.
878 EmitStyleChangedSignal();
883 void TextInput::ApplyStyleToAll( const TextStyle& style, const TextStyle::Mask mask )
885 if( !mStyledText.empty() )
887 ApplyStyleToRange( style, mask, 0, mStyledText.size() - 1 );
891 TextStyle TextInput::GetStyleAtCursor() const
895 if ( !mStyledText.empty() && ( mCursorPosition > 0 ) )
897 DALI_ASSERT_DEBUG( ( 0 <= mCursorPosition-1 ) && ( mCursorPosition-1 < mStyledText.size() ) );
898 style = mStyledText.at( mCursorPosition-1 ).mStyle;
904 if ( mInputStyle.GetFontPointSize() < Math::MACHINE_EPSILON_1000 )
906 Dali::Font defaultFont = Dali::Font::New();
907 style.SetFontPointSize( PointSize( defaultFont.GetPointSize()) );
914 TextStyle TextInput::GetStyleAt( std::size_t position ) const
916 DALI_ASSERT_DEBUG( ( 0 <= position ) && ( position <= mStyledText.size() ) );
918 if( position >= mStyledText.size() )
920 position = mStyledText.size() - 1;
923 return mStyledText.at( position ).mStyle;
926 void TextInput::SetTextAlignment( Toolkit::Alignment::Type align )
928 mDisplayedTextView.SetTextAlignment( align );
929 mOverrideAutomaticAlignment = true;
932 void TextInput::SetTextLineJustification( Toolkit::TextView::LineJustification justification )
934 mDisplayedTextView.SetLineJustification( justification );
935 mOverrideAutomaticAlignment = true;
938 void TextInput::SetFadeBoundary( const Toolkit::TextView::FadeBoundary& fadeBoundary )
940 mDisplayedTextView.SetFadeBoundary( fadeBoundary );
943 const Toolkit::TextView::FadeBoundary& TextInput::GetFadeBoundary() const
945 return mDisplayedTextView.GetFadeBoundary();
948 Toolkit::Alignment::Type TextInput::GetTextAlignment() const
950 return mDisplayedTextView.GetTextAlignment();
953 void TextInput::SetMultilinePolicy( Toolkit::TextView::MultilinePolicy policy )
955 mDisplayedTextView.SetMultilinePolicy( policy );
958 Toolkit::TextView::MultilinePolicy TextInput::GetMultilinePolicy() const
960 return mDisplayedTextView.GetMultilinePolicy();
963 void TextInput::SetWidthExceedPolicy( Toolkit::TextView::ExceedPolicy policy )
965 mDisplayedTextView.SetWidthExceedPolicy( policy );
968 Toolkit::TextView::ExceedPolicy TextInput::GetWidthExceedPolicy() const
970 return mDisplayedTextView.GetWidthExceedPolicy();
973 void TextInput::SetHeightExceedPolicy( Toolkit::TextView::ExceedPolicy policy )
975 mDisplayedTextView.SetHeightExceedPolicy( policy );
978 Toolkit::TextView::ExceedPolicy TextInput::GetHeightExceedPolicy() const
980 return mDisplayedTextView.GetHeightExceedPolicy();
983 void TextInput::SetExceedEnabled( bool enable )
985 mExceedEnabled = enable;
988 bool TextInput::GetExceedEnabled() const
990 return mExceedEnabled;
993 void TextInput::SetBackground(Dali::Image image )
995 // TODO Should add this function and add public api to match.
998 bool TextInput::OnTouchEvent(const TouchEvent& event)
1003 bool TextInput::OnKeyEvent(const KeyEvent& event)
1005 switch( event.state )
1007 case KeyEvent::Down:
1009 return OnKeyDownEvent(event);
1015 return OnKeyUpEvent(event);
1027 void TextInput::OnKeyInputFocusGained()
1029 DALI_LOG_INFO(gLogFilter, Debug::General, ">>OnKeyInputFocusGained\n" );
1031 mEditModeActive = true;
1033 mActiveLayer.RaiseToTop(); // Ensure layer holding handles is on top
1035 mInputStyle = GetStyleAtCursor(); // Inherit style from cursor position
1037 // Updates the line height accordingly with the input style.
1040 // Connect the signals to use in text input.
1041 VirtualKeyboard::StatusChangedSignal().Connect( this, &TextInput::KeyboardStatusChanged );
1042 VirtualKeyboard::LanguageChangedSignal().Connect( this, &TextInput::SetTextDirection );
1044 // Set the text direction if empty and connect to the signal to ensure we change direction when the language changes.
1047 GetTextLayoutInfo();
1050 SetCursorVisibility( true );
1051 StartCursorBlinkTimer();
1053 Toolkit::TextInput handle( GetOwner() );
1054 mInputStartedSignalV2.Emit( handle );
1056 ImfManager imfManager = ImfManager::Get();
1060 imfManager.EventReceivedSignal().Connect(this, &TextInput::ImfEventReceived);
1062 // Notify that the text editing start.
1063 imfManager.Activate();
1065 // When window gain lost focus, the imf manager is deactivated. Thus when window gain focus again, the imf manager must be activated.
1066 imfManager.SetRestoreAferFocusLost( true );
1068 imfManager.SetCursorPosition( mCursorPosition );
1069 imfManager.NotifyCursorPosition();
1072 mClipboard = Clipboard::Get(); // Store handle to clipboard
1074 // Now in edit mode we can accept string to paste from clipboard
1075 if( Adaptor::IsAvailable() )
1077 ClipboardEventNotifier notifier( ClipboardEventNotifier::Get() );
1080 notifier.ContentSelectedSignal().Connect( this, &TextInput::OnClipboardTextSelected );
1085 void TextInput::OnKeyInputFocusLost()
1087 DALI_LOG_INFO(gLogFilter, Debug::General, ">>OnKeyInputFocusLost\n" );
1091 // If key input focus is lost, it removes the
1092 // underline from the last pre-edit text.
1093 RemovePreEditStyle();
1094 const std::size_t numberOfCharactersDeleted = DeletePreEdit();
1095 InsertAt( mPreEditString, mPreEditStartPosition, numberOfCharactersDeleted );
1099 ImfManager imfManager = ImfManager::Get();
1102 // The text editing is finished. Therefore the imf manager don't have restore activation.
1103 imfManager.SetRestoreAferFocusLost( false );
1105 // Notify that the text editing finish.
1106 imfManager.Deactivate();
1108 imfManager.EventReceivedSignal().Disconnect(this, &TextInput::ImfEventReceived);
1110 // Disconnect signal used the text input.
1111 VirtualKeyboard::LanguageChangedSignal().Disconnect( this, &TextInput::SetTextDirection );
1113 Toolkit::TextInput handle( GetOwner() );
1114 mInputFinishedSignalV2.Emit( handle );
1115 mEditModeActive = false;
1116 mPreEditFlag = false;
1118 SetCursorVisibility( false );
1119 StopCursorBlinkTimer();
1121 ShowGrabHandleAndSetVisibility( false );
1124 // No longer in edit mode so do not want to receive string from clipboard
1125 if( Adaptor::IsAvailable() )
1127 ClipboardEventNotifier notifier( ClipboardEventNotifier::Get() );
1130 notifier.ContentSelectedSignal().Disconnect( this, &TextInput::OnClipboardTextSelected );
1132 Clipboard clipboard = Clipboard::Get();
1136 clipboard.HideClipboard();
1141 void TextInput::OnControlStageConnection()
1143 Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
1145 if ( mBoundingRectangleWorldCoordinates == Vector4::ZERO )
1147 SetBoundingRectangle( Rect<float>( 0.0f, 0.0f, stageSize.width, stageSize.height ));
1151 void TextInput::CreateActiveLayer()
1153 Actor self = Self();
1154 mActiveLayer = Layer::New();
1156 mActiveLayer.SetAnchorPoint( AnchorPoint::CENTER);
1157 mActiveLayer.SetParentOrigin( ParentOrigin::CENTER);
1158 mActiveLayer.SetPositionInheritanceMode( USE_PARENT_POSITION );
1160 self.Add( mActiveLayer );
1161 mActiveLayer.RaiseToTop();
1164 void TextInput::OnInitialize()
1166 CreateTextViewActor();
1170 // Create 2 cursors (standard LTR and RTL cursor for when text can be added at
1171 // different positions depending on language)
1172 mCursor = CreateCursor(DEFAULT_CURSOR_COLOR);
1173 mCursorRTL = CreateCursor(DEFAULT_CURSOR_COLOR);
1175 Actor self = Self();
1176 self.Add( mCursor );
1177 self.Add( mCursorRTL );
1179 mCursorVisibility = false;
1181 CreateActiveLayer(); // todo move this so layer only created when needed.
1183 // Assign names to image actors
1184 mCursor.SetName("mainCursor");
1185 mCursorRTL.SetName("rtlCursor");
1188 void TextInput::OnControlSizeSet(const Vector3& targetSize)
1190 mDisplayedTextView.SetSize( targetSize );
1191 GetTextLayoutInfo();
1192 mActiveLayer.SetSize(targetSize);
1195 void TextInput::OnRelaidOut( Vector2 size, ActorSizeContainer& container )
1197 Relayout( mDisplayedTextView, size, container );
1198 Relayout( mPopupPanel.GetRootActor(), size, container );
1200 GetTextLayoutInfo();
1205 Vector3 TextInput::GetNaturalSize()
1207 Vector3 naturalSize = mDisplayedTextView.GetNaturalSize();
1209 if( mEditModeActive && ( Vector3::ZERO == naturalSize ) )
1211 // If the natural is zero, it means there is no text. Let's return the cursor height as the natural height.
1212 naturalSize.height = mLineHeight;
1218 float TextInput::GetHeightForWidth( float width )
1220 float height = mDisplayedTextView.GetHeightForWidth( width );
1222 if( mEditModeActive && ( fabsf( height ) < Math::MACHINE_EPSILON_1000 ) )
1224 // If the height is zero, it means there is no text. Let's return the cursor height.
1225 height = mLineHeight;
1231 /*end of Virtual methods from parent*/
1233 // Private Internal methods
1235 void TextInput::OnHandlePan(Actor actor, PanGesture gesture)
1237 switch (gesture.state)
1239 case Gesture::Started:
1240 // fall through so code not duplicated
1241 case Gesture::Continuing:
1243 if (actor == mGrabArea)
1245 SetCursorVisibility( true );
1246 ShowGrabHandle( mGrabHandleVisibility && mIsGrabHandleInScrollArea );
1247 MoveGrabHandle( gesture.displacement );
1248 HidePopup(); // Do not show popup whilst handle is moving
1250 else if (actor == mHandleOneGrabArea)
1252 // the displacement in PanGesture is affected by the actor's rotation.
1253 mSelectionHandleOneActualPosition.x += gesture.displacement.x * mSelectionHandleOne.GetCurrentScale().x;
1254 mSelectionHandleOneActualPosition.y += gesture.displacement.y * mSelectionHandleOne.GetCurrentScale().y;
1256 MoveSelectionHandle( HandleOne, gesture.displacement );
1258 mState = StateDraggingHandle;
1261 else if (actor == mHandleTwoGrabArea)
1263 // the displacement in PanGesture is affected by the actor's rotation.
1264 mSelectionHandleTwoActualPosition.x += gesture.displacement.x * mSelectionHandleTwo.GetCurrentScale().x;
1265 mSelectionHandleTwoActualPosition.y += gesture.displacement.y * mSelectionHandleTwo.GetCurrentScale().y;
1267 MoveSelectionHandle( HandleTwo, gesture.displacement );
1269 mState = StateDraggingHandle;
1275 case Gesture::Finished:
1277 // Revert back to non-pressed selection handle images
1278 if (actor == mGrabArea)
1280 mActualGrabHandlePosition = MoveGrabHandle( gesture.displacement );
1281 SetCursorVisibility( true );
1282 SetUpPopupSelection();
1285 if (actor == mHandleOneGrabArea)
1287 // the displacement in PanGesture is affected by the actor's rotation.
1288 mSelectionHandleOneActualPosition.x += gesture.displacement.x * mSelectionHandleOne.GetCurrentScale().x;
1289 mSelectionHandleOneActualPosition.y += gesture.displacement.y * mSelectionHandleOne.GetCurrentScale().y;
1291 mSelectionHandleOneActualPosition = MoveSelectionHandle( HandleOne, gesture.displacement );
1293 mSelectionHandleOne.SetImage( mSelectionHandleOneImage );
1295 ShowPopupCutCopyPaste();
1297 if (actor == mHandleTwoGrabArea)
1299 // the displacement in PanGesture is affected by the actor's rotation.
1300 mSelectionHandleTwoActualPosition.x += gesture.displacement.x * mSelectionHandleTwo.GetCurrentScale().x;
1301 mSelectionHandleTwoActualPosition.y += gesture.displacement.y * mSelectionHandleTwo.GetCurrentScale().y;
1303 mSelectionHandleTwoActualPosition = MoveSelectionHandle( HandleTwo, gesture.displacement );
1305 mSelectionHandleTwo.SetImage( mSelectionHandleTwoImage );
1307 ShowPopupCutCopyPaste();
1316 // Stop the flashing animation so easy to see when moved.
1317 bool TextInput::OnPressDown(Dali::Actor actor, const TouchEvent& touch)
1319 if (touch.GetPoint(0).state == TouchPoint::Down)
1321 SetCursorVisibility( true );
1322 StopCursorBlinkTimer();
1324 else if (touch.GetPoint(0).state == TouchPoint::Up)
1326 SetCursorVisibility( true );
1327 StartCursorBlinkTimer();
1332 // selection handle one
1333 bool TextInput::OnHandleOneTouched(Dali::Actor actor, const TouchEvent& touch)
1335 if (touch.GetPoint(0).state == TouchPoint::Down)
1337 mSelectionHandleOne.SetImage( mSelectionHandleOneImagePressed );
1339 else if (touch.GetPoint(0).state == TouchPoint::Up)
1341 mSelectionHandleOne.SetImage( mSelectionHandleOneImage );
1346 // selection handle two
1347 bool TextInput::OnHandleTwoTouched(Dali::Actor actor, const TouchEvent& touch)
1349 if (touch.GetPoint(0).state == TouchPoint::Down)
1351 mSelectionHandleTwo.SetImage( mSelectionHandleTwoImagePressed );
1353 else if (touch.GetPoint(0).state == TouchPoint::Up)
1355 mSelectionHandleTwo.SetImage( mSelectionHandleTwoImage );
1360 void TextInput::OnDoubleTap(Dali::Actor actor, Dali::TapGesture tap)
1362 // If text exists then select nearest word.
1363 if ( !mStyledText.empty())
1367 ShowGrabHandleAndSetVisibility( false );
1372 // PreEdit will be committed here without needing a commit from IMF. Remove pre-edit underline and reset flags which
1373 // converts the pre-edit word being displayed to a committed word.
1374 if ( !mUnderlinedPriorToPreEdit )
1377 style.SetUnderline( false );
1378 ApplyStyleToRange( style, TextStyle::UNDERLINE , mPreEditStartPosition, mPreEditStartPosition + mPreEditLength -1 );
1380 mPreEditFlag = false;
1381 mIgnoreCommitFlag = true; // Predictive word interrupted, text displayed will not change, no need to actually commit.
1382 // Reset keyboard and set true so cursor position is preserved. Otherwise cursor position will that of the committed text not new tap location.
1383 PreEditReset( false );
1385 mCursorPosition = 0;
1387 mTextLayoutInfo.mScrollOffset = mDisplayedTextView.GetScrollPosition();
1388 ReturnClosestIndex( tap.localPoint, mCursorPosition );
1390 ImfManager imfManager = ImfManager::Get();
1393 imfManager.SetCursorPosition ( mCursorPosition );
1394 imfManager.NotifyCursorPosition();
1397 std::size_t start = 0;
1398 std::size_t end = 0;
1399 Dali::Toolkit::Internal::TextProcessor::FindNearestWord( mStyledText, mCursorPosition, start, end );
1401 SelectText( start, end );
1403 // if no text but clipboard has content then show paste option
1404 if ( ( mClipboard && mClipboard.NumberOfItems() ) || !mStyledText.empty() )
1406 ShowPopupCutCopyPaste();
1409 // If no text and clipboard empty then do nothing
1412 // TODO: Change the function name to be more general.
1413 void TextInput::OnTextTap(Dali::Actor actor, Dali::TapGesture tap)
1415 DALI_LOG_INFO( gLogFilter, Debug::General, "OnTap mPreEditFlag[%s] mEditOnTouch[%s] mEditModeActive[%s] ", (mPreEditFlag)?"true":"false"
1416 , (mEditOnTouch)?"true":"false"
1417 , (mEditModeActive)?"true":"false");
1419 if( mHandleOneGrabArea == actor || mHandleTwoGrabArea == actor )
1424 if( mGrabArea == actor )
1426 if( mPopupPanel.GetState() == TextInputPopup::StateHidden || mPopupPanel.GetState() == TextInputPopup::StateHiding )
1428 SetUpPopupSelection();
1438 mTextLayoutInfo.mScrollOffset = mDisplayedTextView.GetScrollPosition();
1440 // Initially don't create the grab handle.
1441 bool createGrabHandle = false;
1443 if ( !mEditModeActive )
1445 // update line height before calculate the actual position.
1448 // Only start edit mode if TextInput configured to edit on touch
1451 // Set the initial cursor position in the tap point.
1452 ReturnClosestIndex(tap.localPoint, mCursorPosition );
1454 // Create the grab handle.
1455 // TODO Make this a re-usable function.
1456 if ( IsGrabHandleEnabled() )
1458 const Vector3 cursorPosition = GetActualPositionFromCharacterPosition(mCursorPosition);
1462 mActualGrabHandlePosition.x = cursorPosition.x; // Set grab handle to be at the cursor position
1463 mActualGrabHandlePosition.y = cursorPosition.y; // Set grab handle to be at the cursor position
1464 mGrabHandle.SetPosition( mActualGrabHandlePosition + UI_OFFSET );
1465 ShowGrabHandleAndSetVisibility( mIsGrabHandleInScrollArea );
1469 // Edit mode started after grab handle created to ensure the signal InputStarted is sent last.
1470 // This is used to ensure if selecting text hides the grab handle then this code is run after grab handle is created,
1471 // otherwise the Grab handle will be shown when selecting.
1478 // Show the keyboard if it was hidden.
1479 if (!VirtualKeyboard::IsVisible())
1481 VirtualKeyboard::Show();
1484 // Reset keyboard as tap event has occurred.
1485 // Set true so cursor position is preserved. Otherwise cursor position will that of the committed text not new tap location.
1486 PreEditReset( true );
1488 GetTextLayoutInfo();
1490 if( !mTextLayoutInfo.mCharacterLayoutInfoTable.empty() ) // If string empty we do not need a grab handle.
1492 // As already in edit mode, reposition cursor near tap and show grab handle for cursor, if grab handle not enabled then magnifier will be used instead.
1494 ReturnClosestIndex(tap.localPoint, mCursorPosition );
1496 DALI_LOG_INFO( gLogFilter, Debug::General, "mCursorPosition[%u]", mCursorPosition );
1498 // Notify keyboard so it can 're-capture' word for predictive text.
1499 // As we have done a reset, is this required, expect IMF keyboard to request this information.
1500 ImfManager imfManager = ImfManager::Get();
1503 imfManager.SetCursorPosition ( mCursorPosition );
1504 imfManager.NotifyCursorPosition();
1506 const TextStyle oldInputStyle( mInputStyle );
1508 mInputStyle = GetStyleAtCursor(); // Inherit style from cursor position
1512 // Create the grab handle.
1513 // Grab handle is created later.
1514 createGrabHandle = true;
1516 if( oldInputStyle != mInputStyle )
1518 // Updates the line height accordingly with the input style.
1521 EmitStyleChangedSignal();
1526 if ( createGrabHandle && IsGrabHandleEnabled() )
1528 const Vector3 cursorPosition = GetActualPositionFromCharacterPosition(mCursorPosition);
1532 mActualGrabHandlePosition.x = cursorPosition.x; // Set grab handle to be at the cursor position
1533 mActualGrabHandlePosition.y = cursorPosition.y; // Set grab handle to be at the cursor position
1534 mGrabHandle.SetPosition( mActualGrabHandlePosition + UI_OFFSET );
1535 ShowGrabHandleAndSetVisibility( mIsGrabHandleInScrollArea );
1540 void TextInput::OnLongPress(Dali::Actor actor, Dali::LongPressGesture longPress)
1542 DALI_LOG_INFO( gLogFilter, Debug::General, "OnLongPress\n" );
1544 if(longPress.state == Dali::Gesture::Started)
1546 // Start edit mode on long press
1547 if ( !mEditModeActive )
1552 // If text exists then select nearest word.
1553 if ( !mStyledText.empty())
1557 ShowGrabHandleAndSetVisibility( false );
1562 // PreEdit will be committed here without needing a commit from IMF. Remove pre-edit underline and reset flags which
1563 // converts the pre-edit word being displayed to a committed word.
1564 if ( !mUnderlinedPriorToPreEdit )
1567 style.SetUnderline( false );
1568 ApplyStyleToRange( style, TextStyle::UNDERLINE , mPreEditStartPosition, mPreEditStartPosition + mPreEditLength -1 );
1570 mPreEditFlag = false;
1571 mIgnoreCommitFlag = true; // Predictive word interrupted, text displayed will not change, no need to actually commit.
1572 // Reset keyboard and set true so cursor position is preserved. Otherwise cursor position will that of the committed text not new tap location.
1573 PreEditReset( false );
1575 mCursorPosition = 0;
1577 mTextLayoutInfo.mScrollOffset = mDisplayedTextView.GetScrollPosition();
1578 ReturnClosestIndex( longPress.localPoint, mCursorPosition );
1580 ImfManager imfManager = ImfManager::Get();
1583 imfManager.SetCursorPosition ( mCursorPosition );
1584 imfManager.NotifyCursorPosition();
1586 std::size_t start = 0;
1587 std::size_t end = 0;
1588 Dali::Toolkit::Internal::TextProcessor::FindNearestWord( mStyledText, mCursorPosition, start, end );
1590 SelectText( start, end );
1593 // if no text but clipboard has content then show paste option, if no text and clipboard empty then do nothing
1594 if ( ( mClipboard && mClipboard.NumberOfItems() ) || !mStyledText.empty() )
1596 ShowPopupCutCopyPaste();
1601 void TextInput::OnClipboardTextSelected( ClipboardEventNotifier& notifier )
1603 const Text clipboardText( notifier.GetContent() );
1604 PasteText( clipboardText );
1606 SetCursorVisibility( true );
1607 StartCursorBlinkTimer();
1609 ShowGrabHandleAndSetVisibility( false );
1615 bool TextInput::OnPopupButtonPressed( Toolkit::Button button )
1617 mPopupPanel.PressedSignal().Disconnect( this, &TextInput::OnPopupButtonPressed );
1619 const std::string& name = button.GetName();
1621 if(name == TextInputPopup::OPTION_SELECT_WORD)
1623 std::size_t start = 0;
1624 std::size_t end = 0;
1625 Dali::Toolkit::Internal::TextProcessor::FindNearestWord( mStyledText, mCursorPosition, start, end );
1627 SelectText( start, end );
1629 else if(name == TextInputPopup::OPTION_SELECT_ALL)
1631 SetCursorVisibility(false);
1632 StopCursorBlinkTimer();
1634 std::size_t end = mTextLayoutInfo.mCharacterLayoutInfoTable.size();
1635 std::size_t start = 0;
1637 SelectText( start, end );
1639 else if(name == TextInputPopup::OPTION_CUT)
1641 bool ret = CopySelectedTextToClipboard();
1645 DeleteHighlightedText( true );
1649 SetCursorVisibility( true );
1650 StartCursorBlinkTimer();
1654 else if(name == TextInputPopup::OPTION_COPY)
1656 CopySelectedTextToClipboard();
1660 SetCursorVisibility( true );
1661 StartCursorBlinkTimer();
1665 else if(name == TextInputPopup::OPTION_PASTE)
1667 const Text retrievedString( mClipboard.GetItem( 0 ) ); // currently can only get first item in clip board, index 0;
1669 PasteText(retrievedString);
1671 SetCursorVisibility( true );
1672 StartCursorBlinkTimer();
1674 ShowGrabHandleAndSetVisibility( false );
1678 else if(name == TextInputPopup::OPTION_CLIPBOARD)
1680 // In the case of clipboard being shown we do not want to show updated pop-up after hide animation completes
1681 // Hence pass the false parameter for signalFinished.
1682 HidePopup( true, false );
1683 mClipboard.ShowClipboard();
1689 bool TextInput::OnCursorBlinkTimerTick()
1692 mCursor.SetVisible( mCursorVisibility && mIsCursorInScrollArea && mCursorBlinkStatus );
1693 if ( mCursorRTLEnabled )
1695 mCursorRTL.SetVisible( mCursorVisibility && mIsCursorInScrollArea && mCursorBlinkStatus );
1697 mCursorBlinkStatus = !mCursorBlinkStatus;
1702 void TextInput::OnPopupHideFinished(TextInputPopup& popup)
1704 popup.HideFinishedSignal().Disconnect( this, &TextInput::OnPopupHideFinished );
1706 // Change Popup menu to Cut/Copy/Paste if text has been selected.
1707 if(mHighlightMeshActor && mState == StateEdit)
1709 ShowPopupCutCopyPaste();
1713 //FIXME this routine needs to be re-written as it contains too many branches.
1714 bool TextInput::OnKeyDownEvent(const KeyEvent& event)
1716 std::string keyName = event.keyPressedName;
1717 std::string keyString = event.keyPressed;
1719 DALI_LOG_INFO(gLogFilter, Debug::General, "OnKeyDownEvent keyName[%s] KeyString[%s]\n", keyName.c_str(), keyString.c_str() );
1721 // Do not consume "Tab" and "Escape" keys.
1722 if(keyName == "Tab" || keyName == "Escape")
1724 // Escape key to end the edit mode
1730 HidePopup(); // If Pop-up shown then hides it as editing text.
1732 // Update Flag, indicates whether to update the text-input contents or not.
1733 // Any key stroke that results in a visual change of the text-input should
1734 // set this flag to true.
1737 // Whether to scroll text to cursor position.
1738 // Scroll is needed always the cursor is updated and after the pre-edit is received.
1739 bool scroll = false;
1741 if (keyName == "Return")
1743 if ( mNumberOflinesLimit > 1) // Prevents New line character / Return adding an extra line if limit set to 1
1745 bool preEditFlagPreviouslySet( mPreEditFlag );
1747 if (mHighlightMeshActor)
1749 // replaces highlighted text with new line
1750 DeleteHighlightedText( false );
1752 mCursorPosition = mCursorPosition + InsertAt( Text( NEWLINE ), mCursorPosition, 0 );
1754 // If we are in pre-edit mode then pressing enter will cause a commit. But the commit string does not include the
1755 // '\n' character so we need to ensure that the immediately following commit knows how it occurred.
1758 mCommitByKeyInput = true;
1761 // If attempting to insert a new-line brings us out of PreEdit mode, then we should not ignore the next commit.
1762 if ( preEditFlagPreviouslySet && !mPreEditFlag )
1764 mPreEditFlag = true;
1765 mIgnoreCommitFlag = false;
1775 else if ( keyName == "space" )
1777 if ( mHighlightMeshActor )
1779 // Some text is selected so erase it before adding space.
1780 DeleteHighlightedText( true );
1784 mCursorPosition = mCursorPosition + InsertAt(Text(keyString), mCursorPosition, 0);
1786 // If we are in pre-edit mode then pressing the space-bar will cause a commit. But the commit string does not include the
1787 // ' ' character so we need to ensure that the immediately following commit knows how it occurred.
1790 mCommitByKeyInput = true;
1795 else if (keyName == "BackSpace")
1797 if ( mHighlightMeshActor )
1799 // Some text is selected so erase it
1800 DeleteHighlightedText( true );
1805 if ( mCursorPosition > 0 )
1807 DeleteCharacter( mCursorPosition );
1813 else if (keyName == "Right")
1818 else if (keyName == "Left")
1820 AdvanceCursor(true);
1823 else // event is a character
1825 // Some text may be selected, hiding keyboard causes an empty keystring to be sent, we don't want to delete highlight in this case
1826 if ( !keyString.empty() )
1828 if ( mHighlightMeshActor )
1830 // replaces highlighted text with new character
1831 DeleteHighlightedText( false );
1835 // Received key String
1836 mCursorPosition = mCursorPosition + InsertAt( Text( keyString ), mCursorPosition, 0 );
1842 // If key event has resulted in a change in the text/cursor, then trigger a relayout of text
1843 // as this is a costly operation.
1849 if(update || scroll)
1851 if( IsScrollEnabled() )
1853 // Calculates the new cursor position (in actor coordinates)
1854 const Vector3 cursorPosition = GetActualPositionFromCharacterPosition( mCursorPosition );
1856 ScrollTextViewToMakeCursorVisible( cursorPosition );
1863 bool TextInput::OnKeyUpEvent(const KeyEvent& event)
1865 std::string keyName = event.keyPressedName;
1866 std::string keyString = event.keyPressed;
1868 DALI_LOG_INFO(gLogFilter, Debug::General, "OnKeyUpEvent keyName[%s] KeyString[%s]\n", keyName.c_str(), keyString.c_str() );
1870 // The selected text become deselected when the key code is DALI_KEY_BACK.
1871 if( IsTextSelected() && ( keyName == "XF86Stop" || keyName == "XF86Send") )
1880 void TextInput::OnTextViewScrolled( Toolkit::TextView textView, Vector2 scrollPosition )
1882 // Updates the stored scroll position.
1883 mTextLayoutInfo.mScrollOffset = textView.GetScrollPosition();
1885 const Vector3& controlSize = GetControlSize();
1886 Size cursorSize( CURSOR_THICKNESS, 0.f );
1888 // Updates the cursor and grab handle position and visibility.
1889 if( mGrabHandle || mCursor )
1891 cursorSize.height = GetRowRectFromCharacterPosition( GetVisualPosition( mCursorPosition ) ).height;
1892 const Vector3 cursorPosition = GetActualPositionFromCharacterPosition(mCursorPosition);
1894 mIsCursorInScrollArea = mIsGrabHandleInScrollArea = IsPositionInsideBoundaries( cursorPosition, cursorSize, controlSize );
1896 mActualGrabHandlePosition = cursorPosition.GetVectorXY();
1900 ShowGrabHandle( mGrabHandleVisibility && mIsGrabHandleInScrollArea );
1901 mGrabHandle.SetPosition( mActualGrabHandlePosition + UI_OFFSET );
1906 mCursor.SetVisible( mCursorVisibility && mIsCursorInScrollArea );
1907 mCursor.SetPosition( mActualGrabHandlePosition + UI_OFFSET );
1911 // Updates the selection handles and highlighted text position and visibility.
1912 if( mSelectionHandleOne && mSelectionHandleTwo )
1914 const Vector3 cursorPositionOne = GetActualPositionFromCharacterPosition(mSelectionHandleOnePosition);
1915 const Vector3 cursorPositionTwo = GetActualPositionFromCharacterPosition(mSelectionHandleTwoPosition);
1916 cursorSize.height = ( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + mSelectionHandleOnePosition ) ).mSize.height;
1917 const bool isSelectionHandleOneVisible = IsPositionInsideBoundaries( cursorPositionOne, cursorSize, controlSize );
1918 cursorSize.height = ( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + mSelectionHandleTwoPosition ) ).mSize.height;
1919 const bool isSelectionHandleTwoVisible = IsPositionInsideBoundaries( cursorPositionTwo, cursorSize, controlSize );
1921 mSelectionHandleOneActualPosition = cursorPositionOne.GetVectorXY();
1922 mSelectionHandleTwoActualPosition = cursorPositionTwo.GetVectorXY();
1924 mSelectionHandleOne.SetVisible( isSelectionHandleOneVisible );
1925 mSelectionHandleTwo.SetVisible( isSelectionHandleTwoVisible );
1926 mSelectionHandleOne.SetPosition( mSelectionHandleOneActualPosition + UI_OFFSET + mSelectionHandleOneOffset );
1927 mSelectionHandleTwo.SetPosition( mSelectionHandleTwoActualPosition + UI_OFFSET + mSelectionHandleTwoOffset );
1929 if( mHighlightMeshActor )
1931 mHighlightMeshActor.SetVisible( true );
1937 void TextInput::ScrollTextViewToMakeCursorVisible( const Vector3& cursorPosition )
1939 // Scroll the text to make the cursor visible.
1940 const Size cursorSize( CURSOR_THICKNESS,
1941 GetRowRectFromCharacterPosition( GetVisualPosition( mCursorPosition ) ).height );
1943 // Need to scroll the text to make the cursor visible and to cover the whole text-input area.
1945 const Vector3& controlSize = GetControlSize();
1947 // Calculates the new scroll position.
1948 Vector2 scrollOffset = mTextLayoutInfo.mScrollOffset;
1949 if( ( cursorPosition.x < 0.f ) || ( cursorPosition.x > controlSize.width ) )
1951 scrollOffset.x += cursorPosition.x;
1954 if( cursorPosition.y - cursorSize.height < 0.f || cursorPosition.y > controlSize.height )
1956 scrollOffset.y += cursorPosition.y;
1959 // Sets the new scroll position.
1960 SetScrollPosition( Vector2::ZERO ); // TODO: need to reset to the zero position in order to make the scroll trim to work.
1961 SetScrollPosition( scrollOffset );
1964 void TextInput::StartScrollTimer()
1968 mScrollTimer = Timer::New( SCROLL_TICK_INTERVAL );
1969 mScrollTimer.TickSignal().Connect( this, &TextInput::OnScrollTimerTick );
1972 if( !mScrollTimer.IsRunning() )
1974 mScrollTimer.Start();
1978 void TextInput::StopScrollTimer()
1982 mScrollTimer.Stop();
1986 bool TextInput::OnScrollTimerTick()
1988 // TODO: need to set the new style accordingly the new handle position.
1990 if( !( mGrabHandleVisibility && mGrabHandle ) && !( mSelectionHandleOne && mSelectionHandleTwo ) )
1992 // nothing to do if all handles are invisible or doesn't exist.
1998 // Choose between the grab handle or the selection handles.
1999 Vector3& actualHandlePosition = ( mGrabHandleVisibility && mGrabHandle ) ? mActualGrabHandlePosition : ( mCurrentSelectionId == HandleOne ) ? mSelectionHandleOneActualPosition : mSelectionHandleTwoActualPosition;
2000 std::size_t& handlePosition = ( mGrabHandleVisibility && mGrabHandle ) ? mCursorPosition : ( mCurrentSelectionId == HandleOne ) ? mSelectionHandleOnePosition : mSelectionHandleTwoPosition;
2001 Vector3& currentHandlePosition = ( mGrabHandleVisibility && mGrabHandle ) ? mCurrentHandlePosition : mCurrentSelectionHandlePosition;
2003 std::size_t newCursorPosition = 0;
2004 ReturnClosestIndex( actualHandlePosition.GetVectorXY(), newCursorPosition );
2006 // Whether the handle's position is different of the previous one and in the case of the selection handle,
2007 // the new selection handle's position needs to be different of the other one.
2008 const bool differentSelectionHandles = ( mGrabHandleVisibility && mGrabHandle ) ? newCursorPosition != handlePosition :
2009 ( mCurrentSelectionId == HandleOne ) ? ( newCursorPosition != handlePosition ) && ( newCursorPosition != mSelectionHandleTwoPosition ) :
2010 ( newCursorPosition != handlePosition ) && ( newCursorPosition != mSelectionHandleOnePosition );
2012 if( differentSelectionHandles )
2014 handlePosition = newCursorPosition;
2016 const Vector3 actualPosition = GetActualPositionFromCharacterPosition( newCursorPosition );
2018 Vector2 scrollDelta = ( actualPosition - currentHandlePosition ).GetVectorXY();
2020 Vector2 scrollPosition = mDisplayedTextView.GetScrollPosition();
2021 scrollPosition += scrollDelta;
2022 SetScrollPosition( scrollPosition );
2024 if( mDisplayedTextView.IsScrollPositionTrimmed() )
2029 currentHandlePosition = GetActualPositionFromCharacterPosition( newCursorPosition ).GetVectorXY();
2032 actualHandlePosition.x += mScrollDisplacement.x;
2033 actualHandlePosition.y += mScrollDisplacement.y;
2038 // Public Internal Methods (public for testing purpose)
2040 void TextInput::SetUpTouchEvents()
2042 if ( !mTapDetector )
2044 mTapDetector = TapGestureDetector::New();
2045 // Attach the actors and connect the signal
2046 mTapDetector.Attach(Self());
2048 // As contains children which may register for tap the default control detector is not used.
2049 mTapDetector.DetectedSignal().Connect(this, &TextInput::OnTextTap);
2052 if ( !mDoubleTapDetector )
2054 mDoubleTapDetector = TapGestureDetector::New();
2055 mDoubleTapDetector.SetTapsRequired( 2 );
2056 mDoubleTapDetector.DetectedSignal().Connect(this, &TextInput::OnDoubleTap);
2058 // Only attach and detach the actor to the double tap detector when we enter/leave edit mode
2059 // so that we do not, unnecessarily, have a double tap request all the time
2062 if ( !mPanGestureDetector )
2064 mPanGestureDetector = PanGestureDetector::New();
2065 mPanGestureDetector.DetectedSignal().Connect(this, &TextInput::OnHandlePan);
2068 if ( !mLongPressDetector )
2070 mLongPressDetector = LongPressGestureDetector::New();
2071 mLongPressDetector.DetectedSignal().Connect(this, &TextInput::OnLongPress);
2072 mLongPressDetector.Attach(Self());
2076 void TextInput::CreateTextViewActor()
2078 mDisplayedTextView = Toolkit::TextView::New();
2079 mDisplayedTextView.SetMarkupProcessingEnabled( mMarkUpEnabled );
2080 mDisplayedTextView.SetParentOrigin(ParentOrigin::TOP_LEFT);
2081 mDisplayedTextView.SetAnchorPoint(AnchorPoint::TOP_LEFT);
2082 mDisplayedTextView.SetMultilinePolicy(Toolkit::TextView::SplitByWord);
2083 mDisplayedTextView.SetWidthExceedPolicy( Toolkit::TextView::Original );
2084 mDisplayedTextView.SetHeightExceedPolicy( Toolkit::TextView::Original );
2085 mDisplayedTextView.SetLineJustification( Toolkit::TextView::Left );
2086 mDisplayedTextView.SetTextAlignment( static_cast<Toolkit::Alignment::Type>( Toolkit::Alignment::HorizontalLeft | Toolkit::Alignment::VerticalTop ) );
2087 mDisplayedTextView.SetPosition( Vector3( 0.0f, 0.0f, DISPLAYED_TEXT_VIEW_Z_OFFSET ) );
2088 mDisplayedTextView.SetSizePolicy( Toolkit::Control::Fixed, Toolkit::Control::Fixed );
2090 mDisplayedTextView.ScrolledSignal().Connect( this, &TextInput::OnTextViewScrolled );
2092 Self().Add( mDisplayedTextView );
2095 // Start a timer to initiate, used by the cursor to blink.
2096 void TextInput::StartCursorBlinkTimer()
2098 if ( !mCursorBlinkTimer )
2100 mCursorBlinkTimer = Timer::New( CURSOR_BLINK_INTERVAL );
2101 mCursorBlinkTimer.TickSignal().Connect( this, &TextInput::OnCursorBlinkTimerTick );
2104 if ( !mCursorBlinkTimer.IsRunning() )
2106 mCursorBlinkTimer.Start();
2110 // Start a timer to initiate, used by the cursor to blink.
2111 void TextInput::StopCursorBlinkTimer()
2113 if ( mCursorBlinkTimer )
2115 mCursorBlinkTimer.Stop();
2119 void TextInput::StartEditMode()
2121 DALI_LOG_INFO(gLogFilter, Debug::General, "TextInput StartEditMode mEditModeActive[%s]\n", (mEditModeActive)?"true":"false" );
2123 if(!mEditModeActive)
2128 if ( mDoubleTapDetector )
2130 mDoubleTapDetector.Attach( Self() );
2134 void TextInput::EndEditMode()
2136 DALI_LOG_INFO(gLogFilter, Debug::General, "TextInput EndEditMode mEditModeActive[%s]\n", (mEditModeActive)?"true":"false" );
2138 ClearKeyInputFocus();
2140 if ( mDoubleTapDetector )
2142 mDoubleTapDetector.Detach( Self() );
2146 void TextInput::ApplyPreEditStyle( std::size_t preEditStartPosition, std::size_t preEditStringLength )
2148 if ( mPreEditFlag && ( preEditStringLength > 0 ) )
2150 mUnderlinedPriorToPreEdit = mInputStyle.IsUnderlineEnabled();
2152 style.SetUnderline( true );
2153 ApplyStyleToRange( style, TextStyle::UNDERLINE , preEditStartPosition, preEditStartPosition + preEditStringLength -1 );
2157 void TextInput::RemovePreEditStyle()
2159 if ( !mUnderlinedPriorToPreEdit )
2162 style.SetUnderline( false );
2163 SetActiveStyle( style, TextStyle::UNDERLINE );
2167 // IMF related methods
2170 ImfManager::ImfCallbackData TextInput::ImfEventReceived( Dali::ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent )
2172 bool update( false );
2173 bool preeditResetRequired ( false );
2175 if (imfEvent.eventName != ImfManager::GETSURROUNDING )
2177 HidePopup(); // If Pop-up shown then hides it as editing text.
2180 switch ( imfEvent.eventName )
2182 case ImfManager::PREEDIT:
2184 mIgnoreFirstCommitFlag = false;
2186 // Some text may be selected, hiding keyboard causes an empty predictive string to be sent, we don't want to delete highlight in this case
2187 if ( mHighlightMeshActor && (!imfEvent.predictiveString.empty()) )
2189 // replaces highlighted text with new character
2190 DeleteHighlightedText( false );
2193 preeditResetRequired = PreEditReceived( imfEvent.predictiveString, imfEvent.cursorOffset );
2195 if( IsScrollEnabled() )
2197 // Calculates the new cursor position (in actor coordinates)
2198 const Vector3 cursorPosition = GetActualPositionFromCharacterPosition( mCursorPosition );
2199 ScrollTextViewToMakeCursorVisible( cursorPosition );
2206 case ImfManager::COMMIT:
2208 if( mIgnoreFirstCommitFlag )
2210 // Do not commit in this case when keyboard sends a commit when shows for the first time (work-around for imf keyboard).
2211 mIgnoreFirstCommitFlag = false;
2215 // A Commit message is a word that has been accepted, it may have been a pre-edit word previously but now commited.
2217 // Some text may be selected, hiding keyboard causes an empty predictive string to be sent, we don't want to delete highlight in this case
2218 if ( mHighlightMeshActor && (!imfEvent.predictiveString.empty()) )
2220 // replaces highlighted text with new character
2221 DeleteHighlightedText( false );
2224 // A PreEditReset can cause a commit message to be sent, the Ignore Commit flag is used in scenarios where the word is
2225 // not needed, one such scenario is when the pre-edit word is too long to fit.
2226 if ( !mIgnoreCommitFlag )
2228 update = CommitReceived( imfEvent.predictiveString );
2232 mIgnoreCommitFlag = false; // reset ignore flag so next commit is acted upon.
2238 if( IsScrollEnabled() )
2240 // Calculates the new cursor position (in actor coordinates)
2241 const Vector3 cursorPosition = GetActualPositionFromCharacterPosition( mCursorPosition );
2243 ScrollTextViewToMakeCursorVisible( cursorPosition );
2248 case ImfManager::DELETESURROUNDING:
2250 DALI_LOG_INFO( gLogFilter, Debug::General, "ImfEventReceived - delete surrounding mPreEditFlag[%s] cursor offset[%d] characters to delete[%d] position to delete[%u] \n",
2251 (mPreEditFlag)?"true":"false", imfEvent.cursorOffset, imfEvent.numberOfChars, static_cast<std::size_t>( mCursorPosition+imfEvent.cursorOffset) );
2253 mPreEditFlag = false;
2255 std::size_t toDelete = 0;
2256 std::size_t numberOfCharacters = 0;
2258 if( mHighlightMeshActor )
2260 // delete highlighted text.
2261 toDelete = std::min( mSelectionHandleOnePosition, mSelectionHandleTwoPosition );
2262 numberOfCharacters = std::max( mSelectionHandleOnePosition, mSelectionHandleTwoPosition ) - toDelete;
2266 if( static_cast<std::size_t>(std::abs( imfEvent.cursorOffset )) < mCursorPosition )
2268 toDelete = mCursorPosition + imfEvent.cursorOffset;
2270 if( toDelete + imfEvent.numberOfChars > mStyledText.size() )
2272 numberOfCharacters = mStyledText.size() - toDelete;
2276 numberOfCharacters = imfEvent.numberOfChars;
2279 DALI_LOG_INFO( gLogFilter, Debug::General, "ImfEventReceived - deleteSurrounding pre-delete range mCursorPosition[%u] \n", mCursorPosition);
2280 DeleteRange( toDelete, numberOfCharacters );
2282 mCursorPosition = toDelete;
2283 mNumberOfSurroundingCharactersDeleted = numberOfCharacters;
2287 DALI_LOG_INFO( gLogFilter, Debug::General, "ImfEventReceived - deleteSurrounding post-delete range mCursorPosition[%u] \n", mCursorPosition);
2290 case ImfManager::GETSURROUNDING:
2292 // If text is selected/highlighted and surrounding text received we do not want the keyboard to store the word at cursor and return it as a predictive word along with
2293 // the next key pressed. Instead the Select function sets the cursor position and surrounding text.
2294 if (! ( mHighlightMeshActor || mSelectingText ) )
2296 std::string text( GetText() );
2297 DALI_LOG_INFO( gLogFilter, Debug::General, "OnKey - surrounding text - set text [%s] and cursor[%u] \n", text.c_str(), mCursorPosition );
2299 imfManager.SetCursorPosition( mCursorPosition );
2300 imfManager.SetSurroundingText( text );
2303 if( 0 != mNumberOfSurroundingCharactersDeleted )
2305 mDisplayedTextView.RemoveTextFrom( mCursorPosition, mNumberOfSurroundingCharactersDeleted );
2306 mNumberOfSurroundingCharactersDeleted = 0;
2308 if( mStyledText.empty() )
2310 // Styled text is empty, so set the placeholder text.
2311 mDisplayedTextView.SetText( mStyledPlaceHolderText );
2312 mPlaceHolderSet = true;
2317 case ImfManager::VOID:
2319 DALI_ASSERT_DEBUG( false );
2323 ImfManager::ImfCallbackData callbackData( update, mCursorPosition, GetText(), preeditResetRequired );
2325 return callbackData;
2328 bool TextInput::PreEditReceived(const std::string& keyString, std::size_t cursorOffset )
2330 mPreserveCursorPosition = false; // As in pre-edit state we should have the cursor at the end of the word displayed not last touch position.
2332 DALI_LOG_INFO(gLogFilter, Debug::General, ">>PreEditReceived preserveCursorPos[%d] mCursorPos[%d] mPreEditFlag[%d]\n",
2333 mPreserveCursorPosition, mCursorPosition, mPreEditFlag );
2335 bool preeditResetRequest ( false );
2337 if( mPreEditFlag ) // Already in pre-edit state.
2339 if( mStyledText.size() >= mMaxStringLength )
2341 DALI_LOG_INFO(gLogFilter, Debug::General, "PreEditReceived styledTextSize >= mMaxStringLength \n");
2342 // Cannot fit these characters into field, clear pre-edit.
2343 if ( !mUnderlinedPriorToPreEdit )
2346 style.SetUnderline( false );
2347 ApplyStyleToRange( style, TextStyle::UNDERLINE , mPreEditStartPosition, mPreEditStartPosition + mPreEditLength -1 );
2349 mIgnoreCommitFlag = true;
2350 preeditResetRequest = false; // this will reset the keyboard's predictive suggestions.
2351 mPreEditFlag = false;
2352 EmitMaxInputCharactersReachedSignal();
2356 // delete existing pre-edit string
2357 const std::size_t numberOfCharactersToReplace = DeletePreEdit();
2359 // Store new pre-edit string
2360 mPreEditString.SetText( keyString );
2362 if ( keyString.empty() )
2364 mPreEditFlag = false;
2365 mCursorPosition = mPreEditStartPosition;
2367 if( mStyledText.empty() )
2369 // Styled text is empty, so set the placeholder text.
2370 mDisplayedTextView.SetText( mStyledPlaceHolderText );
2371 mPlaceHolderSet = true;
2375 mDisplayedTextView.RemoveTextFrom( mPreEditStartPosition, numberOfCharactersToReplace );
2377 GetTextLayoutInfo();
2382 // Insert new pre-edit string. InsertAt updates the size and position table.
2383 mPreEditLength = InsertAt( mPreEditString, mPreEditStartPosition, numberOfCharactersToReplace );
2384 // If word was too long to be inserted then cursorOffset would be out of range as keyboard assumes there is not limit. Hence use of std::min.
2385 mCursorPosition = mPreEditStartPosition + std::min( cursorOffset, mPreEditLength );
2386 ApplyPreEditStyle( mPreEditStartPosition, mPreEditLength );
2387 DALI_LOG_INFO(gLogFilter, Debug::General, "PreEditReceived mCursorPosition[%u] \n", mCursorPosition);
2390 // cursor update to keyboard is not done here as the keyboard knows the cursor position and provides the 'cursorOffset'.
2394 else // mPreEditFlag not set
2396 if ( !keyString.empty() ) // Imf can send an empty pre-edit followed by Backspace instead of a commit.
2398 DALI_LOG_INFO(gLogFilter, Debug::General, "PreEditReceived Initial Pre-Edit string \n");
2399 // new pre-edit so move into pre-edit state by setting flag
2400 mPreEditFlag = true;
2401 mPreEditString.SetText( keyString ); // store new pre-edit string
2402 mPreEditStartPosition = mCursorPosition; // store starting cursor position of pre-edit so know where to re-start from
2403 mPreEditLength = InsertAt( mPreEditString, mPreEditStartPosition, 0 );
2404 // If word was too long to be inserted then cursorOffset would be out of range as keyboard assumes there is not limit. Hence use of std::min.
2405 mCursorPosition = mPreEditStartPosition + std::min( cursorOffset, mPreEditLength );
2406 ApplyPreEditStyle( mPreEditStartPosition, mPreEditLength );
2407 DALI_LOG_INFO(gLogFilter, Debug::General, "PreEditReceived mCursorPosition[%u] mPreEditStartPosition[%u]\n", mCursorPosition, mPreEditStartPosition);
2408 // cursor update to keyboard is not done here as the keyboard knows the cursor position and provides the 'cursorOffset'.
2414 DALI_LOG_INFO(gLogFilter, Debug::General, "PreEditReceived with empty keyString\n");
2418 return preeditResetRequest;
2421 bool TextInput::CommitReceived(const std::string& keyString )
2423 DALI_LOG_INFO(gLogFilter, Debug::General, ">>CommitReceived preserveCursorPos[%d] mPreEditStartPosition [%d] mCursorPos[%d] mPreEditFlag[%d] mIgnoreCommitFlag[%s]\n",
2424 mPreserveCursorPosition, mPreEditStartPosition, mCursorPosition, mPreEditFlag, (mIgnoreCommitFlag)?"true":"false" );
2426 bool update( false );
2428 RemovePreEditStyle();
2430 const std::size_t styledTextSize( mStyledText.size() );
2431 if( styledTextSize >= mMaxStringLength )
2433 // Cannot fit these characters into field, clear pre-edit.
2436 mIgnoreCommitFlag = true;
2437 mPreEditFlag = false;
2439 EmitMaxInputCharactersReachedSignal();
2445 // delete existing pre-edit string
2446 const std::size_t numberOfCharactersToReplace = DeletePreEdit();
2447 mPreEditFlag = false;
2449 DALI_LOG_INFO(gLogFilter, Debug::General, "CommitReceived mPreserveCursorPosition[%s] mPreEditStartPosition[%u]\n",
2450 (mPreserveCursorPosition)?"true":"false", mPreEditStartPosition );
2452 if ( mPreserveCursorPosition ) // PreEditReset has been called triggering this commit.
2454 // No need to update cursor position as Cursor location given by touch.
2455 InsertAt( Text( keyString ), mPreEditStartPosition, numberOfCharactersToReplace );
2456 mPreserveCursorPosition = false;
2460 // Cursor not set by touch so needs to be re-positioned to input more text
2461 mCursorPosition = mPreEditStartPosition + InsertAt( Text(keyString), mPreEditStartPosition, numberOfCharactersToReplace ); // update cursor position as InsertAt, re-draw cursor with this
2463 // If a space or enter caused the commit then our string is one longer than the string given to us by the commit key.
2464 if ( mCommitByKeyInput )
2466 mCursorPosition = std::min ( mCursorPosition + 1, mStyledText.size() );
2467 mCommitByKeyInput = false;
2473 if ( mSelectTextOnCommit )
2475 SelectText(mRequestedSelection.mStartOfSelection, mRequestedSelection.mEndOfSelection );
2480 else // mPreEditFlag not set
2482 if ( !mIgnoreCommitFlag ) // Check if this commit should be ignored.
2484 if( mStyledText.empty() && mPlaceHolderSet )
2486 // If the styled text is empty and the placeholder text is set, it needs to be cleared.
2487 mDisplayedTextView.SetText( "" );
2488 mNumberOfSurroundingCharactersDeleted = 0;
2489 mPlaceHolderSet = false;
2491 mCursorPosition = mCursorPosition + InsertAt( Text( keyString ), mCursorPosition, mNumberOfSurroundingCharactersDeleted );
2493 mNumberOfSurroundingCharactersDeleted = 0;
2498 mIgnoreCommitFlag = false; // Reset flag so future commits will not be ignored.
2503 mSelectTextOnCommit = false;
2505 DALI_LOG_INFO(gLogFilter, Debug::General, "CommitReceived << mCursorPos[%d] mPreEditFlag[%d] update[%s] \n",
2506 mCursorPosition, mPreEditFlag, (update)?"true":"false" );
2511 // End of IMF related methods
2513 std::size_t TextInput::DeletePreEdit()
2515 DALI_LOG_INFO(gLogFilter, Debug::General, ">>DeletePreEdit mPreEditFlag[%s] \n", (mPreEditFlag)?"true":"false");
2517 DALI_ASSERT_DEBUG( mPreEditFlag );
2519 const std::size_t preEditStringLength = mPreEditString.GetLength();
2520 const std::size_t styledTextSize = mStyledText.size();
2522 std::size_t endPosition = mPreEditStartPosition + preEditStringLength;
2524 // Prevents erase items outside mStyledText bounds.
2525 if( mPreEditStartPosition > styledTextSize )
2527 DALI_ASSERT_DEBUG( !"TextInput::DeletePreEdit. mPreEditStartPosition > mStyledText.size()" );
2528 mPreEditStartPosition = styledTextSize;
2531 if( ( endPosition > styledTextSize ) || ( endPosition < mPreEditStartPosition ) )
2533 DALI_ASSERT_DEBUG( !"TextInput::DeletePreEdit. ( endPosition > mStyledText.size() ) || ( endPosition < mPreEditStartPosition )" );
2534 endPosition = styledTextSize;
2537 mStyledText.erase( mStyledText.begin() + mPreEditStartPosition, mStyledText.begin() + endPosition );
2539 // DeletePreEdit() doesn't remove characters from the text-view because may be followed by an InsertAt() which inserts characters,
2540 // in that case, the Insert should use the returned number of deleted characters and replace the text which helps the text-view to
2542 // In case DeletePreEdit() is not followed by an InsertAt() characters must be deleted after this call.
2544 return preEditStringLength;
2547 void TextInput::PreEditReset( bool preserveCursorPosition )
2549 DALI_LOG_INFO(gLogFilter, Debug::General, "PreEditReset preserveCursorPos[%d] mCursorPos[%d] \n",
2550 preserveCursorPosition, mCursorPosition);
2552 // Store flag to indicate that we do not want to lose the cursor position as the reset may have occurred due to touch event moving the cursor.
2553 mPreserveCursorPosition = preserveCursorPosition;
2555 // Reset incase we are in a pre-edit state.
2556 ImfManager imfManager = ImfManager::Get();
2559 imfManager.Reset(); // Will trigger a commit message
2563 void TextInput::CursorUpdate()
2567 ImfManager imfManager = ImfManager::Get();
2570 std::string text( GetText() );
2571 imfManager.SetSurroundingText( text ); // Notifying IMF of a cursor change triggers a surrounding text request so updating it now.
2572 imfManager.SetCursorPosition ( mCursorPosition );
2573 imfManager.NotifyCursorPosition();
2577 /* Delete highlighted characters redisplay*/
2578 void TextInput::DeleteHighlightedText( bool inheritStyle )
2580 DALI_LOG_INFO( gLogFilter, Debug::General, "DeleteHighlightedText handlePosOne[%u] handlePosTwo[%u]\n", mSelectionHandleOnePosition, mSelectionHandleTwoPosition);
2582 if(mHighlightMeshActor)
2584 mCursorPosition = std::min( mSelectionHandleOnePosition, mSelectionHandleTwoPosition );
2586 MarkupProcessor::StyledTextArray::iterator start = mStyledText.begin() + mCursorPosition;
2587 MarkupProcessor::StyledTextArray::iterator end = mStyledText.begin() + std::max( mSelectionHandleOnePosition, mSelectionHandleTwoPosition );
2589 // Get the styled text of the characters to be deleted as it may be needed if
2590 // the "exceed the text-input's boundaries" option is disabled.
2591 MarkupProcessor::StyledTextArray styledCharactersToDelete;
2593 styledCharactersToDelete.insert( styledCharactersToDelete.begin(), start, end );
2595 mStyledText.erase( start, end ); // erase range of characters
2597 // Remove text from TextView.
2599 if( mStyledText.empty() )
2601 // Styled text is empty, so set the placeholder text.
2602 mDisplayedTextView.SetText( mStyledPlaceHolderText );
2603 mPlaceHolderSet = true;
2607 const std::size_t numberOfCharacters = std::max( mSelectionHandleOnePosition, mSelectionHandleTwoPosition ) - mCursorPosition;
2609 mDisplayedTextView.RemoveTextFrom( mCursorPosition, numberOfCharacters );
2611 // It may happen than after removing a white space or a new line character,
2612 // two words merge, this new word could be big enough to not fit in its
2613 // current line, so moved to the next one, and make some part of the text to
2614 // exceed the text-input's boundary.
2615 if( !mExceedEnabled )
2617 // Get the new text layout after removing some characters.
2618 mDisplayedTextView.GetTextLayoutInfo( mTextLayoutInfo );
2620 // Get text-input's size.
2621 const Vector3& size = GetControlSize();
2623 if( ( mTextLayoutInfo.mTextSize.width > size.width ) ||
2624 ( mTextLayoutInfo.mTextSize.height > size.height ) )
2626 mDisplayedTextView.InsertTextAt( mCursorPosition, styledCharactersToDelete );
2628 mStyledText.insert( mStyledText.begin() + mCursorPosition,
2629 styledCharactersToDelete.begin(),
2630 styledCharactersToDelete.end() );
2634 GetTextLayoutInfo();
2640 const TextStyle oldInputStyle( mInputStyle );
2642 mInputStyle = GetStyleAtCursor(); // Inherit style from cursor position
2644 if( oldInputStyle != mInputStyle )
2646 // Updates the line height accordingly with the input style.
2649 EmitStyleChangedSignal();
2655 void TextInput::DeleteRange( const std::size_t start, const std::size_t ncharacters )
2657 DALI_ASSERT_DEBUG( start <= mStyledText.size() );
2658 DALI_ASSERT_DEBUG( !mStyledText.empty() );
2660 DALI_LOG_INFO(gLogFilter, Debug::General, ">>DeleteRange pre mStyledText[%s] mPreEditFlag[%s] \n", GetText().c_str(), (mPreEditFlag)?"true":"false");
2663 if ( ( !mStyledText.empty()) && ( ( start + ncharacters ) <= mStyledText.size() ) )
2665 MarkupProcessor::StyledTextArray::iterator itStart = mStyledText.begin() + start;
2666 MarkupProcessor::StyledTextArray::iterator itEnd = mStyledText.begin() + start + ncharacters;
2668 mStyledText.erase(itStart, itEnd);
2670 // update the selection handles if they are visible.
2671 if( mHighlightMeshActor )
2673 std::size_t& minHandle = ( mSelectionHandleOnePosition <= mSelectionHandleTwoPosition ? mSelectionHandleOnePosition : mSelectionHandleTwoPosition );
2674 std::size_t& maxHandle = ( mSelectionHandleTwoPosition > mSelectionHandleOnePosition ? mSelectionHandleTwoPosition : mSelectionHandleOnePosition );
2676 if( minHandle >= start + ncharacters )
2678 minHandle -= ncharacters;
2680 else if( ( minHandle > start ) && ( minHandle < start + ncharacters ) )
2685 if( maxHandle >= start + ncharacters )
2687 maxHandle -= ncharacters;
2689 else if( ( maxHandle > start ) && ( maxHandle < start + ncharacters ) )
2695 // Set text is not called here as currently it can not process the set text from deletion and then the set text from the in-coming pre-edit.
2698 DALI_LOG_INFO(gLogFilter, Debug::General, "DeleteRange<< post mStyledText[%s] mPreEditFlag[%s] \n", GetText().c_str(), (mPreEditFlag)?"true":"false");
2700 // Although mStyledText has been set to a new text string we no longer re-draw the text or notify the cursor change.
2701 // This is a performance decision as the use of this function often means the text is being replaced or just deleted.
2702 // Mean we do not re-draw the text more than we have too.
2705 /* Delete character at current cursor position and redisplay*/
2706 void TextInput::DeleteCharacter( std::size_t positionToDelete )
2708 // Ensure positionToDelete is not out of bounds.
2709 DALI_ASSERT_DEBUG( positionToDelete <= mStyledText.size() );
2710 DALI_ASSERT_DEBUG( !mStyledText.empty() );
2711 DALI_ASSERT_DEBUG( positionToDelete > 0 );
2713 DALI_LOG_INFO(gLogFilter, Debug::General, "DeleteCharacter positionToDelete[%u]", positionToDelete );
2716 if ( ( !mStyledText.empty()) && ( positionToDelete > 0 ) && positionToDelete <= mStyledText.size() ) // don't try to delete if no characters left of cursor
2718 MarkupProcessor::StyledTextArray::iterator it = mStyledText.begin() + positionToDelete - 1;
2720 // Get the styled text of the character to be deleted as it may be needed if
2721 // the "exceed the text-input's boundaries" option is disabled.
2722 const MarkupProcessor::StyledText styledCharacterToDelete( *it );
2724 mStyledText.erase(it); // erase the character left of positionToDelete
2726 if( mStyledText.empty() )
2728 // Styled text is empty, so set the placeholder text.
2729 mDisplayedTextView.SetText( mStyledPlaceHolderText );
2730 mPlaceHolderSet = true;
2734 mDisplayedTextView.RemoveTextFrom( positionToDelete - 1, 1 );
2736 const Character characterToDelete = styledCharacterToDelete.mText[0];
2738 // It may happen than after removing a white space or a new line character,
2739 // two words merge, this new word could be big enough to not fit in its
2740 // current line, so moved to the next one, and make some part of the text to
2741 // exceed the text-input's boundary.
2742 if( !mExceedEnabled )
2744 if( characterToDelete.IsWhiteSpace() || characterToDelete.IsNewLine() )
2746 // Get the new text layout after removing one character.
2747 mDisplayedTextView.GetTextLayoutInfo( mTextLayoutInfo );
2749 // Get text-input's size.
2750 const Vector3& size = GetControlSize();
2752 if( ( mTextLayoutInfo.mTextSize.width > size.width ) ||
2753 ( mTextLayoutInfo.mTextSize.height > size.height ) )
2755 MarkupProcessor::StyledTextArray array;
2756 array.push_back( styledCharacterToDelete );
2757 mDisplayedTextView.InsertTextAt( positionToDelete - 1, array );
2759 mStyledText.insert( mStyledText.begin() + ( positionToDelete - 1 ), styledCharacterToDelete );
2764 GetTextLayoutInfo();
2766 ShowGrabHandleAndSetVisibility( false );
2768 mCursorPosition = positionToDelete -1;
2770 const TextStyle oldInputStyle( mInputStyle );
2772 mInputStyle = GetStyleAtCursor(); // Inherit style from cursor position
2774 if( oldInputStyle != mInputStyle )
2776 // Updates the line height accordingly with the input style.
2779 EmitStyleChangedSignal();
2784 /*Insert new character into the string and (optionally) redisplay text-input*/
2785 std::size_t TextInput::InsertAt( const Text& newText, const std::size_t insertionPosition, const std::size_t numberOfCharactersToReplace )
2787 DALI_LOG_INFO(gLogFilter, Debug::General, "InsertAt insertionPosition[%u]\n", insertionPosition );
2789 // Ensure insertionPosition is not out of bounds.
2790 DALI_ASSERT_ALWAYS( insertionPosition <= mStyledText.size() );
2792 bool textExceedsMaximunNumberOfCharacters = false;
2793 bool textExceedsBoundary = false;
2794 std::size_t insertedStringLength = DoInsertAt( newText, insertionPosition, numberOfCharactersToReplace, textExceedsMaximunNumberOfCharacters, textExceedsBoundary );
2796 ShowGrabHandleAndSetVisibility( false );
2798 if( textExceedsMaximunNumberOfCharacters || textExceedsBoundary )
2802 mIgnoreCommitFlag = true;
2803 mPreEditFlag = false;
2804 // A PreEditReset( false ) should be triggered from here if the keyboards predictive suggestions must be cleared.
2805 // Although can not directly call PreEditReset() as it will cause a recursive emit loop.
2808 if( textExceedsMaximunNumberOfCharacters )
2810 EmitMaxInputCharactersReachedSignal();
2813 if( textExceedsBoundary )
2815 EmitInputTextExceedsBoundariesSignal();
2816 PreEditReset( false );
2820 return insertedStringLength;
2823 ImageActor TextInput::CreateCursor( const Vector4& color)
2826 cursor = CreateSolidColorActor(color);
2828 cursor.SetParentOrigin(ParentOrigin::TOP_LEFT);
2829 cursor.SetAnchorPoint(AnchorPoint::BOTTOM_CENTER);
2830 cursor.SetVisible(false);
2835 void TextInput::AdvanceCursor(bool reverse, std::size_t places)
2837 // As cursor is not moving due to grab handle, handle should be hidden.
2838 ShowGrabHandleAndSetVisibility( false );
2840 bool cursorPositionChanged = false;
2843 if ( mCursorPosition >= places )
2845 mCursorPosition = mCursorPosition - places;
2846 cursorPositionChanged = true;
2851 if ((mCursorPosition + places) <= mStyledText.size())
2853 mCursorPosition = mCursorPosition + places;
2854 cursorPositionChanged = true;
2858 if( cursorPositionChanged )
2860 const std::size_t cursorPositionForStyle = ( 0 == mCursorPosition ? 0 : mCursorPosition - 1 );
2862 const TextStyle oldInputStyle( mInputStyle );
2863 mInputStyle = GetStyleAt( cursorPositionForStyle ); // Inherit style from selected position.
2867 if( oldInputStyle != mInputStyle )
2869 // Updates the line height accordingly with the input style.
2872 EmitStyleChangedSignal();
2875 ImfManager imfManager = ImfManager::Get();
2878 imfManager.SetCursorPosition ( mCursorPosition );
2879 imfManager.NotifyCursorPosition();
2884 void TextInput::DrawCursor(const std::size_t nthChar)
2886 // Get height of cursor and set its size
2887 Size size( CURSOR_THICKNESS, 0.0f );
2888 if (!mTextLayoutInfo.mCharacterLayoutInfoTable.empty())
2890 size.height = GetRowRectFromCharacterPosition( GetVisualPosition( mCursorPosition ) ).height;
2894 // Measure Font so know how big text will be if no initial text to measure.
2895 size.height = mLineHeight;
2898 mCursor.SetSize(size);
2900 // If the character is italic then the cursor also tilts.
2901 mCursor.SetRotation( mInputStyle.IsItalicsEnabled() ? Degree( mInputStyle.GetItalicsAngle() - CURSOR_ANGLE_OFFSET ) : Degree( 0.f ), Vector3::ZAXIS );
2903 DALI_ASSERT_DEBUG( mCursorPosition <= mTextLayoutInfo.mCharacterLayoutInfoTable.size() );
2905 if ( ( mCursorPosition <= mTextLayoutInfo.mCharacterLayoutInfoTable.size() ) )
2907 Vector3 altPosition; // Alternate (i.e. opposite direction) cursor position.
2908 bool altPositionValid; // Alternate cursor validity flag.
2909 bool directionRTL; // Need to know direction of primary cursor (in case we have 2 cursors and need to show them differently)
2910 Vector3 position = GetActualPositionFromCharacterPosition( mCursorPosition, directionRTL, altPosition, altPositionValid );
2912 SetAltCursorEnabled( altPositionValid );
2914 if(!altPositionValid)
2916 mCursor.SetPosition( position + UI_OFFSET );
2920 size.height *= 0.5f;
2921 mCursor.SetSize(size);
2922 mCursor.SetPosition( position + UI_OFFSET - Vector3(0.0f, directionRTL ? 0.0f : size.height, 0.0f) );
2924 // TODO: change this cursor pos, to be the one where the cursor is sourced from.
2925 Size rowSize = GetRowRectFromCharacterPosition( GetVisualPosition( mCursorPosition ) );
2926 size.height = rowSize.height * 0.5f;
2927 mCursorRTL.SetSize(size);
2928 mCursorRTL.SetPosition( altPosition + UI_OFFSET - Vector3(0.0f, directionRTL ? size.height : 0.0f, 0.0f) );
2931 if( IsScrollEnabled() )
2933 // Whether cursor and grab handle are inside the boundaries of the text-input when text scroll is enabled.
2934 mIsCursorInScrollArea = mIsGrabHandleInScrollArea = IsPositionInsideBoundaries( position, size, GetControlSize() );
2939 void TextInput::SetAltCursorEnabled( bool enabled )
2941 mCursorRTLEnabled = enabled;
2942 mCursorRTL.SetVisible( mCursorVisibility && mCursorRTLEnabled );
2945 void TextInput::SetCursorVisibility( bool visible )
2947 mCursorVisibility = visible;
2948 mCursor.SetVisible( mCursorVisibility && mIsCursorInScrollArea );
2949 mCursorRTL.SetVisible( mCursorVisibility && mCursorRTLEnabled );
2952 void TextInput::CreateGrabHandle( Dali::Image image )
2958 mGrabHandleImage = Image::New(DEFAULT_GRAB_HANDLE);
2962 mGrabHandleImage = image;
2965 mGrabHandle = ImageActor::New(mGrabHandleImage);
2966 mGrabHandle.SetParentOrigin(ParentOrigin::TOP_LEFT);
2967 mGrabHandle.SetAnchorPoint(AnchorPoint::TOP_CENTER);
2969 mGrabHandle.SetDrawMode(DrawMode::OVERLAY);
2971 ShowGrabHandleAndSetVisibility( false );
2973 CreateGrabArea( mGrabHandle );
2975 mActiveLayer.Add(mGrabHandle);
2979 void TextInput::CreateGrabArea( Actor& parent )
2981 mGrabArea = Actor::New(); // Area that Grab handle responds to, larger than actual handle so easier to move
2982 mGrabArea.SetPositionInheritanceMode( Dali::USE_PARENT_POSITION );
2983 mGrabArea.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), RelativeToConstraint( DEFAULT_GRAB_HANDLE_RELATIVE_SIZE ) ) ); // grab area to be larger than text actor
2984 mGrabArea.TouchedSignal().Connect(this,&TextInput::OnPressDown);
2985 mTapDetector.Attach( mGrabArea );
2986 mPanGestureDetector.Attach( mGrabArea );
2988 parent.Add(mGrabArea);
2991 Vector3 TextInput::MoveGrabHandle( const Vector2& displacement )
2993 Vector3 actualHandlePosition;
2997 mActualGrabHandlePosition.x += displacement.x;
2998 mActualGrabHandlePosition.y += displacement.y;
3000 // Grab handle should jump to the nearest character and take cursor with it
3001 std::size_t newCursorPosition = 0;
3002 ReturnClosestIndex( mActualGrabHandlePosition.GetVectorXY(), newCursorPosition );
3004 actualHandlePosition = GetActualPositionFromCharacterPosition( newCursorPosition );
3006 bool handleVisible = true;
3008 if( IsScrollEnabled() )
3010 const Vector3 controlSize = GetControlSize();
3011 const Size cursorSize = GetRowRectFromCharacterPosition( GetVisualPosition( newCursorPosition ) );
3012 // Scrolls the text if the handle is not in a visible position
3013 handleVisible = IsPositionInsideBoundaries( actualHandlePosition,
3020 mCurrentHandlePosition = actualHandlePosition;
3021 mScrollDisplacement = Vector2::ZERO;
3025 if( ( actualHandlePosition.x < SCROLL_THRESHOLD ) && ( displacement.x <= 0.f ) )
3027 mScrollDisplacement.x = -SCROLL_SPEED;
3029 else if( ( actualHandlePosition.x > controlSize.width - SCROLL_THRESHOLD ) && ( displacement.x >= 0.f ) )
3031 mScrollDisplacement.x = SCROLL_SPEED;
3033 if( ( actualHandlePosition.y < SCROLL_THRESHOLD ) && ( displacement.y <= 0.f ) )
3035 mScrollDisplacement.y = -SCROLL_SPEED;
3037 else if( ( actualHandlePosition.y > controlSize.height - SCROLL_THRESHOLD ) && ( displacement.y >= 0.f ) )
3039 mScrollDisplacement.y = SCROLL_SPEED;
3045 if( handleVisible && // Only redraw cursor and do updates if position changed
3046 ( newCursorPosition != mCursorPosition ) ) // and the new position is visible (if scroll is not enabled, it's always true).
3048 mCursorPosition = newCursorPosition;
3050 mGrabHandle.SetPosition( actualHandlePosition + UI_OFFSET );
3052 const TextStyle oldInputStyle( mInputStyle );
3054 mInputStyle = GetStyleAtCursor(); //Inherit style from cursor position
3056 CursorUpdate(); // Let keyboard know the new cursor position so can 're-capture' for prediction.
3058 if( oldInputStyle != mInputStyle )
3060 // Updates the line height accordingly with the input style.
3063 EmitStyleChangedSignal();
3068 return actualHandlePosition;
3071 void TextInput::ShowGrabHandle( bool visible )
3073 if ( IsGrabHandleEnabled() )
3077 mGrabHandle.SetVisible( mGrabHandleVisibility );
3079 StartMonitoringStageForTouch();
3083 void TextInput::ShowGrabHandleAndSetVisibility( bool visible )
3085 mGrabHandleVisibility = visible;
3086 ShowGrabHandle( visible );
3089 // Callbacks connected to be Property notifications for Boundary checking.
3091 void TextInput::OnLeftBoundaryExceeded(PropertyNotification& source)
3093 mIsSelectionHandleOneFlipped = true;
3094 mSelectionHandleOne.SetScale( -1.0f, 1.0f, 1.0f );
3095 mSelectionHandleOne.SetAnchorPoint( AnchorPoint::TOP_LEFT);
3098 void TextInput::OnReturnToLeftBoundary(PropertyNotification& source)
3100 mIsSelectionHandleOneFlipped = false;
3101 mSelectionHandleOne.SetScale( 1.0f, 1.0f, 1.0f );
3102 mSelectionHandleOne.SetAnchorPoint( AnchorPoint::TOP_RIGHT);
3105 void TextInput::OnRightBoundaryExceeded(PropertyNotification& source)
3107 mIsSelectionHandleTwoFlipped = true;
3108 mSelectionHandleTwo.SetScale( -1.0f, 1.0f, 1.0f );
3109 mSelectionHandleTwo.SetAnchorPoint( AnchorPoint::TOP_RIGHT);
3112 void TextInput::OnReturnToRightBoundary(PropertyNotification& source)
3114 mIsSelectionHandleTwoFlipped = false;
3115 mSelectionHandleTwo.SetScale( 1.0f, 1.0f, 1.0f );
3116 mSelectionHandleTwo.SetAnchorPoint( AnchorPoint::TOP_LEFT);
3119 // todo change PropertyNotification signal definition to include Actor. Hence won't need duplicate functions.
3120 void TextInput::OnHandleOneLeavesBoundary( PropertyNotification& source)
3122 mSelectionHandleOne.SetOpacity(0.0f);
3125 void TextInput::OnHandleOneWithinBoundary(PropertyNotification& source)
3127 mSelectionHandleOne.SetOpacity(1.0f);
3130 void TextInput::OnHandleTwoLeavesBoundary( PropertyNotification& source)
3132 mSelectionHandleTwo.SetOpacity(0.0f);
3135 void TextInput::OnHandleTwoWithinBoundary(PropertyNotification& source)
3137 mSelectionHandleTwo.SetOpacity(1.0f);
3140 // End of Callbacks connected to be Property notifications for Boundary checking.
3142 void TextInput::SetUpHandlePropertyNotifications()
3144 /* Property notifications for handles exceeding the boundary and returning back within boundary */
3146 Vector3 handlesize = GetSelectionHandleSize();
3148 // Exceeding horizontal boundary
3149 PropertyNotification leftNotification = mSelectionHandleOne.AddPropertyNotification( Actor::WORLD_POSITION_X, LessThanCondition( mBoundingRectangleWorldCoordinates.x + handlesize.x) );
3150 leftNotification.NotifySignal().Connect( this, &TextInput::OnLeftBoundaryExceeded );
3152 PropertyNotification rightNotification = mSelectionHandleTwo.AddPropertyNotification( Actor::WORLD_POSITION_X, GreaterThanCondition( mBoundingRectangleWorldCoordinates.z - handlesize.x ) );
3153 rightNotification.NotifySignal().Connect( this, &TextInput::OnRightBoundaryExceeded );
3155 // Within horizontal boundary
3156 PropertyNotification leftLeaveNotification = mSelectionHandleOne.AddPropertyNotification( Actor::WORLD_POSITION_X, GreaterThanCondition( mBoundingRectangleWorldCoordinates.x + 2*handlesize.x ) );
3157 leftLeaveNotification.NotifySignal().Connect( this, &TextInput::OnReturnToLeftBoundary );
3159 PropertyNotification rightLeaveNotification = mSelectionHandleTwo.AddPropertyNotification( Actor::WORLD_POSITION_X, LessThanCondition( mBoundingRectangleWorldCoordinates.z - 2*handlesize.x ) );
3160 rightLeaveNotification.NotifySignal().Connect( this, &TextInput::OnReturnToRightBoundary );
3162 // Exceeding vertical boundary
3163 PropertyNotification verticalExceedNotificationOne = mSelectionHandleOne.AddPropertyNotification( Actor::WORLD_POSITION_Y,
3164 OutsideCondition( mBoundingRectangleWorldCoordinates.y + handlesize.y,
3165 mBoundingRectangleWorldCoordinates.w - handlesize.y ) );
3166 verticalExceedNotificationOne.NotifySignal().Connect( this, &TextInput::OnHandleOneLeavesBoundary );
3168 PropertyNotification verticalExceedNotificationTwo = mSelectionHandleTwo.AddPropertyNotification( Actor::WORLD_POSITION_Y,
3169 OutsideCondition( mBoundingRectangleWorldCoordinates.y + handlesize.y,
3170 mBoundingRectangleWorldCoordinates.w - handlesize.y ) );
3171 verticalExceedNotificationTwo.NotifySignal().Connect( this, &TextInput::OnHandleTwoLeavesBoundary );
3173 // Within vertical boundary
3174 PropertyNotification verticalWithinNotificationOne = mSelectionHandleOne.AddPropertyNotification( Actor::WORLD_POSITION_Y,
3175 InsideCondition( mBoundingRectangleWorldCoordinates.y + handlesize.y,
3176 mBoundingRectangleWorldCoordinates.w - handlesize.y ) );
3177 verticalWithinNotificationOne.NotifySignal().Connect( this, &TextInput::OnHandleOneWithinBoundary );
3179 PropertyNotification verticalWithinNotificationTwo = mSelectionHandleTwo.AddPropertyNotification( Actor::WORLD_POSITION_Y,
3180 InsideCondition( mBoundingRectangleWorldCoordinates.y + handlesize.y,
3181 mBoundingRectangleWorldCoordinates.w - handlesize.y ) );
3182 verticalWithinNotificationTwo.NotifySignal().Connect( this, &TextInput::OnHandleTwoWithinBoundary );
3185 void TextInput::CreateSelectionHandles( std::size_t start, std::size_t end, Dali::Image handleOneImage, Dali::Image handleTwoImage )
3187 mSelectionHandleOnePosition = start;
3188 mSelectionHandleTwoPosition = end;
3190 if ( !mSelectionHandleOne )
3192 // create normal and pressed images
3193 mSelectionHandleOneImage = Image::New( DEFAULT_SELECTION_HANDLE_ONE );
3194 mSelectionHandleOneImagePressed = Image::New( DEFAULT_SELECTION_HANDLE_ONE_PRESSED );
3196 mSelectionHandleOne = ImageActor::New( mSelectionHandleOneImage );
3197 mSelectionHandleOne.SetName("SelectionHandleOne");
3198 mSelectionHandleOne.SetParentOrigin( ParentOrigin::TOP_LEFT );
3199 mSelectionHandleOne.SetAnchorPoint( AnchorPoint::TOP_RIGHT ); // Change to BOTTOM_RIGHT if Look'n'Feel requires handle above text.
3200 mIsSelectionHandleOneFlipped = false;
3201 mSelectionHandleOne.SetDrawMode( DrawMode::OVERLAY ); // ensure grab handle above text
3203 mHandleOneGrabArea = Actor::New(); // Area that Grab handle responds to, larger than actual handle so easier to move
3204 mHandleOneGrabArea.SetName("SelectionHandleOneGrabArea");
3206 mHandleOneGrabArea.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), RelativeToConstraint( DEFAULT_SELECTION_HANDLE_RELATIVE_SIZE ) ) ); // grab area to be larger than text actor
3207 mHandleOneGrabArea.SetPositionInheritanceMode( Dali::USE_PARENT_POSITION );
3209 mTapDetector.Attach( mHandleOneGrabArea );
3210 mPanGestureDetector.Attach( mHandleOneGrabArea );
3212 mHandleOneGrabArea.TouchedSignal().Connect(this,&TextInput::OnHandleOneTouched);
3214 mSelectionHandleOne.Add( mHandleOneGrabArea );
3215 mActiveLayer.Add( mSelectionHandleOne );
3218 if ( !mSelectionHandleTwo )
3220 // create normal and pressed images
3221 mSelectionHandleTwoImage = Image::New( DEFAULT_SELECTION_HANDLE_TWO );
3222 mSelectionHandleTwoImagePressed = Image::New( DEFAULT_SELECTION_HANDLE_TWO_PRESSED );
3224 mSelectionHandleTwo = ImageActor::New( mSelectionHandleTwoImage );
3225 mSelectionHandleTwo.SetName("SelectionHandleTwo");
3226 mSelectionHandleTwo.SetParentOrigin( ParentOrigin::TOP_LEFT );
3227 mSelectionHandleTwo.SetAnchorPoint( AnchorPoint::TOP_LEFT );
3228 mIsSelectionHandleTwoFlipped = false;
3229 mSelectionHandleTwo.SetDrawMode(DrawMode::OVERLAY); // ensure grab handle above text
3231 mHandleTwoGrabArea = Actor::New(); // Area that Grab handle responds to, larger than actual handle so easier to move
3232 mHandleTwoGrabArea.SetName("SelectionHandleTwoGrabArea");
3233 mHandleTwoGrabArea.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), RelativeToConstraint( DEFAULT_SELECTION_HANDLE_RELATIVE_SIZE ) ) ); // grab area to be larger than text actor
3234 mHandleTwoGrabArea.SetPositionInheritanceMode( Dali::USE_PARENT_POSITION );
3236 mTapDetector.Attach( mHandleTwoGrabArea );
3237 mPanGestureDetector.Attach( mHandleTwoGrabArea );
3239 mHandleTwoGrabArea.TouchedSignal().Connect(this, &TextInput::OnHandleTwoTouched);
3241 mSelectionHandleTwo.Add( mHandleTwoGrabArea );
3243 mActiveLayer.Add( mSelectionHandleTwo );
3246 SetUpHandlePropertyNotifications();
3248 // update table as text may have changed.
3249 GetTextLayoutInfo();
3251 mSelectionHandleOneActualPosition = GetActualPositionFromCharacterPosition( mSelectionHandleOnePosition );
3252 mSelectionHandleTwoActualPosition = GetActualPositionFromCharacterPosition( mSelectionHandleTwoPosition );
3254 mSelectionHandleOne.SetPosition( mSelectionHandleOneActualPosition + UI_OFFSET + mSelectionHandleOneOffset );
3255 mSelectionHandleTwo.SetPosition( mSelectionHandleTwoActualPosition + UI_OFFSET + mSelectionHandleTwoOffset );
3257 // Calculates and set the visibility if the scroll mode is enabled.
3258 bool isSelectionHandleOneVisible = true;
3259 bool isSelectionHandleTwoVisible = true;
3260 if( IsScrollEnabled() )
3262 const Vector3& controlSize( GetControlSize() );
3263 isSelectionHandleOneVisible = IsPositionInsideBoundaries( mSelectionHandleOneActualPosition, Size::ZERO, controlSize );
3264 isSelectionHandleTwoVisible = IsPositionInsideBoundaries( mSelectionHandleTwoActualPosition, Size::ZERO, controlSize );
3265 mSelectionHandleOne.SetVisible( isSelectionHandleOneVisible );
3266 mSelectionHandleTwo.SetVisible( isSelectionHandleTwoVisible );
3269 CreateHighlight(); // function will only create highlight if not already created.
3272 Vector3 TextInput::MoveSelectionHandle( SelectionHandleId handleId, const Vector2& displacement )
3274 Vector3 actualHandlePosition;
3276 if ( mSelectionHandleOne && mSelectionHandleTwo )
3278 const Vector3& controlSize = GetControlSize();
3280 Size cursorSize( CURSOR_THICKNESS, 0.f );
3282 // Get a reference of the wanted selection handle (handle one or two).
3283 Vector3& actualSelectionHandlePosition = ( handleId == HandleOne ) ? mSelectionHandleOneActualPosition : mSelectionHandleTwoActualPosition;
3285 // Get a reference for the current position of the handle and a copy of its pair
3286 std::size_t& currentSelectionHandlePosition = ( handleId == HandleOne ) ? mSelectionHandleOnePosition : mSelectionHandleTwoPosition;
3287 const std::size_t pairSelectionHandlePosition = ( handleId == HandleOne ) ? mSelectionHandleTwoPosition : mSelectionHandleOnePosition;
3289 // Get a handle of the selection handle actor
3290 ImageActor selectionHandleActor = ( handleId == HandleOne ) ? mSelectionHandleOne : mSelectionHandleTwo;
3292 // Selection handles should jump to the nearest character
3293 std::size_t newHandlePosition = 0;
3294 ReturnClosestIndex( actualSelectionHandlePosition.GetVectorXY(), newHandlePosition );
3296 actualHandlePosition = GetActualPositionFromCharacterPosition( newHandlePosition );
3298 bool handleVisible = true;
3300 if( IsScrollEnabled() )
3302 mCurrentSelectionId = handleId;
3304 cursorSize.height = GetRowRectFromCharacterPosition( GetVisualPosition( newHandlePosition ) ).height;
3305 // Restricts the movement of the grab handle inside the boundaries of the text-input.
3306 handleVisible = IsPositionInsideBoundaries( actualHandlePosition,
3313 mCurrentSelectionHandlePosition = actualHandlePosition;
3314 mScrollDisplacement = Vector2::ZERO;
3318 if( ( actualHandlePosition.x < SCROLL_THRESHOLD ) && ( displacement.x <= 0.f ) )
3320 mScrollDisplacement.x = -SCROLL_SPEED;
3322 else if( ( actualHandlePosition.x > controlSize.width - SCROLL_THRESHOLD ) && ( displacement.x >= 0.f ) )
3324 mScrollDisplacement.x = SCROLL_SPEED;
3326 if( ( actualHandlePosition.y < SCROLL_THRESHOLD ) && ( displacement.y <= 0.f ) )
3328 mScrollDisplacement.y = -SCROLL_SPEED;
3330 else if( ( actualHandlePosition.y > controlSize.height - SCROLL_THRESHOLD ) && ( displacement.y >= 0.f ) )
3332 mScrollDisplacement.y = SCROLL_SPEED;
3338 if ( handleVisible && // Ensure the handle is visible.
3339 ( newHandlePosition != pairSelectionHandlePosition ) && // Ensure handle one is not the same position as handle two.
3340 ( newHandlePosition != currentSelectionHandlePosition ) ) // Ensure the handle has moved.
3342 currentSelectionHandlePosition = newHandlePosition;
3344 Vector3 selectionHandleOffset = ( handleId == HandleOne ) ? mSelectionHandleOneOffset : mSelectionHandleTwoOffset;
3345 selectionHandleActor.SetPosition( actualHandlePosition + UI_OFFSET + selectionHandleOffset );
3349 if ( handleId == HandleOne )
3351 const TextStyle oldInputStyle( mInputStyle );
3353 // Set Active Style to that of first character in selection
3354 if( mSelectionHandleOnePosition < mStyledText.size() )
3356 mInputStyle = ( mStyledText.at( mSelectionHandleOnePosition ) ).mStyle;
3359 if( oldInputStyle != mInputStyle )
3361 // Updates the line height accordingly with the input style.
3364 EmitStyleChangedSignal();
3370 return actualHandlePosition; // Returns Handle position passed in if new value not assigned.
3373 void TextInput::SetSelectionHandlePosition(SelectionHandleId handleId)
3376 const std::size_t selectionHandlePosition = ( handleId == HandleOne ) ? mSelectionHandleOnePosition : mSelectionHandleTwoPosition;
3377 ImageActor selectionHandleActor = ( handleId == HandleOne ) ? mSelectionHandleOne : mSelectionHandleTwo;
3379 if ( selectionHandleActor )
3381 const Vector3 actualHandlePosition = GetActualPositionFromCharacterPosition( selectionHandlePosition );
3382 Vector3 selectionHandleOffset = ( handleId == HandleOne ) ? mSelectionHandleOneOffset : mSelectionHandleTwoOffset;
3383 selectionHandleActor.SetPosition( actualHandlePosition + UI_OFFSET + selectionHandleOffset );
3385 if( IsScrollEnabled() )
3387 const Size cursorSize( CURSOR_THICKNESS,
3388 GetRowRectFromCharacterPosition( GetVisualPosition( selectionHandlePosition ) ).height );
3389 selectionHandleActor.SetVisible( IsPositionInsideBoundaries( actualHandlePosition,
3391 GetControlSize() ) );
3396 std::size_t TextInput::GetVisualPosition(std::size_t logicalPosition) const
3398 // Note: we're allowing caller to request a logical position of size (i.e. end of string)
3399 // For now the visual position of end of logical string will be end of visual string.
3400 DALI_ASSERT_DEBUG( logicalPosition <= mTextLayoutInfo.mCharacterLogicalToVisualMap.size() );
3402 return logicalPosition != mTextLayoutInfo.mCharacterLogicalToVisualMap.size() ? mTextLayoutInfo.mCharacterLogicalToVisualMap[logicalPosition] : mTextLayoutInfo.mCharacterLogicalToVisualMap.size();
3405 void TextInput::GetVisualTextSelection(std::vector<bool>& selectedVisualText, std::size_t startSelection, std::size_t endSelection)
3407 std::vector<int>::iterator it = mTextLayoutInfo.mCharacterLogicalToVisualMap.begin();
3408 std::vector<int>::iterator startSelectionIt = mTextLayoutInfo.mCharacterLogicalToVisualMap.begin() + std::min(startSelection, endSelection);
3409 std::vector<int>::iterator endSelectionIt = mTextLayoutInfo.mCharacterLogicalToVisualMap.begin() + std::max(startSelection, endSelection);
3410 std::vector<int>::iterator end = mTextLayoutInfo.mCharacterLogicalToVisualMap.end();
3412 selectedVisualText.resize( mTextLayoutInfo.mCharacterLogicalToVisualMap.size() );
3414 // Deselect text prior to startSelectionIt
3415 for(;it!=startSelectionIt;++it)
3417 selectedVisualText[*it] = false;
3420 // Select text from startSelectionIt -> endSelectionIt
3421 for(;it!=endSelectionIt;++it)
3423 selectedVisualText[*it] = true;
3426 // Deselect text after endSelection
3429 selectedVisualText[*it] = false;
3432 selectedVisualText.resize( mTextLayoutInfo.mCharacterLogicalToVisualMap.size(), false );
3435 // Calculate the dimensions of the quads they will make the highlight mesh
3436 TextInput::HighlightInfo TextInput::CalculateHighlightInfo()
3438 // At the moment there is no public API to modify the block alignment option.
3439 const bool blockAlignEnabled = true;
3441 mNewHighlightInfo.mQuadList.clear(); // clear last quad information.
3443 if ( !mTextLayoutInfo.mCharacterLayoutInfoTable.empty() && !mTextLayoutInfo.mCharacterLogicalToVisualMap.empty() )
3445 Toolkit::TextView::CharacterLayoutInfoContainer::iterator it = mTextLayoutInfo.mCharacterLayoutInfoTable.begin();
3446 Toolkit::TextView::CharacterLayoutInfoContainer::iterator end = mTextLayoutInfo.mCharacterLayoutInfoTable.end();
3448 // Get vector of flags representing characters that are selected (true) vs unselected (false).
3449 std::vector<bool> selectedVisualText;
3450 GetVisualTextSelection(selectedVisualText, mSelectionHandleOnePosition, mSelectionHandleTwoPosition);
3451 std::vector<bool>::iterator selectedIt(selectedVisualText.begin());
3452 std::vector<bool>::iterator selectedEndIt(selectedVisualText.end());
3454 SelectionState selectionState = SelectionNone; ///< Current selection status of cursor over entire text.
3455 float rowLeft = 0.0f;
3456 float rowRight = 0.0f;
3457 // Keep track of the TextView's min/max extents. Should be able to query this from TextView.
3458 float maxRowLeft = std::numeric_limits<float>::max();
3459 float maxRowRight = 0.0f;
3461 Toolkit::TextView::CharacterLayoutInfoContainer::iterator lastIt = it;
3463 // Scan through entire text.
3466 // selectionState: None when not in selection, Started when in selection, and Ended when reached end of selection.
3468 Toolkit::TextView::CharacterLayoutInfo& charInfo(*it);
3469 bool charSelected( false );
3470 if( selectedIt != selectedEndIt )
3472 charSelected = *selectedIt++;
3475 if(selectionState == SelectionNone)
3479 selectionState = SelectionStarted;
3480 rowLeft = charInfo.mPosition.x - mTextLayoutInfo.mScrollOffset.x;
3481 rowRight = rowLeft + charInfo.mSize.width;
3484 else if(selectionState == SelectionStarted)
3486 // break selection on:
3487 // 1. new line causing selection break. (\n or wordwrap)
3488 // 2. character not selected.
3489 if(charInfo.mPosition.y - lastIt->mPosition.y > CHARACTER_THRESHOLD ||
3492 // finished selection.
3493 // TODO: TextView should have a table of visual rows, and each character a reference to the row
3494 // that it resides on. That way this enumeration is not necessary.
3496 if(lastIt->mIsNewLineChar)
3498 // If the last character is a new line, then to get the row rect, we need to scan from the character before the new line.
3499 lastIt = std::max( mTextLayoutInfo.mCharacterLayoutInfoTable.begin(), lastIt - 1 );
3501 const Size rowSize( GetRowRectFromCharacterPosition( lastIt - mTextLayoutInfo.mCharacterLayoutInfoTable.begin(), min, max ) );
3502 maxRowLeft = std::min(maxRowLeft, min.x);
3503 maxRowRight = std::max(maxRowRight, max.x);
3504 float rowBottom = lastIt->mPosition.y - mTextLayoutInfo.mScrollOffset.y;
3505 float rowTop = rowBottom - rowSize.height;
3507 // Still selected, and block-align mode then set rowRight to max, so it can be clamped afterwards
3508 if(charSelected && blockAlignEnabled)
3510 rowRight = std::numeric_limits<float>::max();
3512 mNewHighlightInfo.AddQuad( rowLeft, rowTop, rowRight, rowBottom );
3514 selectionState = SelectionNone;
3516 // Still selected? start a new selection
3519 // if block-align mode then set rowLeft to min, so it can be clamped afterwards
3520 rowLeft = blockAlignEnabled ? 0.0f : charInfo.mPosition.x - mTextLayoutInfo.mScrollOffset.x;
3521 rowRight = ( charInfo.mPosition.x - mTextLayoutInfo.mScrollOffset.x ) + charInfo.mSize.width;
3522 selectionState = SelectionStarted;
3527 // build up highlight(s) with this selection data.
3528 rowLeft = std::min( charInfo.mPosition.x - mTextLayoutInfo.mScrollOffset.x, rowLeft );
3529 rowRight = std::max( ( charInfo.mPosition.x - mTextLayoutInfo.mScrollOffset.x ) + charInfo.mSize.width, rowRight );
3536 // If reached end, and still on selection, then close selection.
3539 if(selectionState == SelectionStarted)
3541 // finished selection.
3543 if(lastIt->mIsNewLineChar)
3545 lastIt = std::max( mTextLayoutInfo.mCharacterLayoutInfoTable.begin(), lastIt - 1 );
3547 const Size rowSize( GetRowRectFromCharacterPosition( lastIt - mTextLayoutInfo.mCharacterLayoutInfoTable.begin(), min, max ) );
3548 maxRowLeft = std::min(maxRowLeft, min.x);
3549 maxRowRight = std::max(maxRowRight, max.x);
3550 float rowBottom = lastIt->mPosition.y - mTextLayoutInfo.mScrollOffset.y;
3551 float rowTop = rowBottom - rowSize.height;
3552 mNewHighlightInfo.AddQuad( rowLeft, rowTop, rowRight, rowBottom );
3556 // Get the top left and bottom right corners.
3557 const Toolkit::TextView::CharacterLayoutInfo& firstCharacter( *mTextLayoutInfo.mCharacterLayoutInfoTable.begin() );
3558 const Vector2 topLeft( maxRowLeft, firstCharacter.mPosition.y - firstCharacter.mSize.height );
3559 const Vector2 bottomRight( topLeft.x + mTextLayoutInfo.mTextSize.width, topLeft.y + mTextLayoutInfo.mTextSize.height );
3561 // Clamp quads so they appear to clip to borders of the whole text.
3562 mNewHighlightInfo.Clamp2D( topLeft, bottomRight );
3564 // For block-align align Further Clamp quads to max left and right extents
3565 if(blockAlignEnabled)
3567 // BlockAlign: Will adjust highlight to block:
3569 // H[ello] (top row right = max of all rows right)
3570 // [--this-] (middle rows' left = min of all rows left, middle rows' right = max of all rows right)
3571 // [is some] (middle rows' left = min of all rows left, middle rows' right = max of all rows right)
3572 // [text] (bottom row left = min of all rows left)
3573 // (common in SMS messaging selection)
3575 // As opposed to the default which is tight text highlighting.
3580 // (common in regular text editors/web browser selection)
3582 mNewHighlightInfo.Clamp2D( Vector2(maxRowLeft, topLeft.y), Vector2(maxRowRight, bottomRight.y ) );
3585 // Finally clamp quads again so they don't exceed the boundry of the control.
3586 const Vector3& controlSize = GetControlSize();
3587 mNewHighlightInfo.Clamp2D( Vector2::ZERO, Vector2(controlSize.x, controlSize.y) );
3590 return mNewHighlightInfo;
3593 void TextInput::UpdateHighlight()
3595 // Construct a Mesh with a texture to be used as the highlight 'box' for selected text
3597 // Example scenarios where mesh is made from 3, 1, 2, 2 ,3 or 3 quads.
3599 // [ TOP ] [ TOP ] [TOP ] [ TOP ] [ TOP ] [ TOP ]
3600 // [ MIDDLE ] [BOTTOM] [BOTTOM] [ MIDDLE ] [ MIDDLE ]
3601 // [ BOTTOM] [ MIDDLE ] [ MIDDLE ]
3602 // [BOTTOM] [ MIDDLE ]
3605 // Each quad is created as 2 triangles.
3606 // Middle is just 1 quad regardless of its size.
3620 if ( mHighlightMeshActor )
3622 // vertex and triangle buffers should always be present if MeshActor is alive.
3623 HighlightInfo newHighlightInfo = CalculateHighlightInfo();
3624 MeshData::VertexContainer vertices;
3625 Dali::MeshData::FaceIndices faceIndices;
3627 if( !newHighlightInfo.mQuadList.empty() )
3629 std::vector<QuadCoordinates>::iterator iter = newHighlightInfo.mQuadList.begin();
3630 std::vector<QuadCoordinates>::iterator endIter = newHighlightInfo.mQuadList.end();
3632 // vertex position defaults to (0 0 0)
3633 MeshData::Vertex vertex;
3634 // set normal for all vertices as (0 0 1) pointing outward from TextInput Actor.
3637 for(std::size_t v = 0; iter != endIter; ++iter,v+=4 )
3639 // Add each quad geometry (a sub-selection) to the mesh data.
3649 QuadCoordinates& quad = *iter;
3651 vertex.x = quad.min.x;
3652 vertex.y = quad.min.y;
3653 vertices.push_back( vertex );
3656 vertex.x = quad.max.x;
3657 vertex.y = quad.min.y;
3658 vertices.push_back( vertex );
3660 // bottom-left (v+2)
3661 vertex.x = quad.min.x;
3662 vertex.y = quad.max.y;
3663 vertices.push_back( vertex );
3665 // bottom-right (v+3)
3666 vertex.x = quad.max.x;
3667 vertex.y = quad.max.y;
3668 vertices.push_back( vertex );
3670 // triangle A (3, 1, 0)
3671 faceIndices.push_back( v + 3 );
3672 faceIndices.push_back( v + 1 );
3673 faceIndices.push_back( v );
3675 // triangle B (0, 2, 3)
3676 faceIndices.push_back( v );
3677 faceIndices.push_back( v + 2 );
3678 faceIndices.push_back( v + 3 );
3680 mMeshData.SetFaceIndices( faceIndices );
3683 BoneContainer bones(0); // passed empty as bones not required
3684 mMeshData.SetData( vertices, faceIndices, bones, mCustomMaterial );
3685 mHighlightMesh.UpdateMeshData(mMeshData);
3690 void TextInput::ClearPopup()
3692 mPopupPanel.Clear();
3695 void TextInput::AddPopupOptions()
3697 mPopupPanel.AddPopupOptions();
3700 void TextInput::SetPopupPosition( const Vector3& position, const Vector2& alternativePosition )
3702 const Vector3& visiblePopUpSize = mPopupPanel.GetVisibileSize();
3704 Vector3 clampedPosition ( position );
3705 Vector3 tailOffsetPosition ( position );
3707 float xOffSet( 0.0f );
3709 Actor self = Self();
3710 const Vector3 textViewTopLeftWorldPosition = self.GetCurrentWorldPosition() - self.GetCurrentSize()*0.5f;
3712 const float popUpLeft = textViewTopLeftWorldPosition.x + position.x - visiblePopUpSize.width*0.5f;
3713 const float popUpTop = textViewTopLeftWorldPosition.y + position.y - visiblePopUpSize.height;
3715 // Clamp to left or right or of boundary
3716 if( popUpLeft < mBoundingRectangleWorldCoordinates.x )
3718 xOffSet = mBoundingRectangleWorldCoordinates.x - popUpLeft ;
3720 else if ( popUpLeft + visiblePopUpSize.width > mBoundingRectangleWorldCoordinates.z )
3722 xOffSet = mBoundingRectangleWorldCoordinates.z - ( popUpLeft + visiblePopUpSize.width );
3725 clampedPosition.x = position.x + xOffSet;
3726 tailOffsetPosition.x = -xOffSet;
3728 // Check if top left of PopUp outside of top bounding rectangle, if so then flip to lower position.
3729 bool flipTail( false );
3731 if ( popUpTop < mBoundingRectangleWorldCoordinates.y )
3733 clampedPosition.y = alternativePosition.y + visiblePopUpSize.height;
3737 mPopupPanel.GetRootActor().SetPosition( clampedPosition );
3738 mPopupPanel.SetTailPosition( tailOffsetPosition, flipTail );
3741 void TextInput::HidePopup(bool animate, bool signalFinished )
3743 if ( ( mPopupPanel.GetState() == TextInputPopup::StateShowing ) || ( mPopupPanel.GetState() == TextInputPopup::StateShown ) )
3745 mPopupPanel.Hide( animate );
3747 if( animate && signalFinished )
3749 mPopupPanel.HideFinishedSignal().Connect( this, &TextInput::OnPopupHideFinished );
3754 void TextInput::ShowPopup( bool animate )
3757 Vector2 alternativePopupPosition;
3759 if(mHighlightMeshActor && mState == StateEdit)
3762 Vector3 bottomHandle; // referring to the bottom most point of the handle or the bottom line of selection.
3764 // When text is selected, show popup above top handle (and text), or below bottom handle.
3765 // topHandle: referring to the top most point of the handle or the top line of selection.
3766 if ( mSelectionHandleTwoActualPosition.y > mSelectionHandleOneActualPosition.y )
3768 topHandle = mSelectionHandleOneActualPosition;
3769 bottomHandle = mSelectionHandleTwoActualPosition;
3770 rowSize= GetRowRectFromCharacterPosition( mSelectionHandleOnePosition );
3774 topHandle = mSelectionHandleTwoActualPosition;
3775 bottomHandle = mSelectionHandleOneActualPosition;
3776 rowSize = GetRowRectFromCharacterPosition( mSelectionHandleTwoPosition );
3778 topHandle.y += -mPopupOffsetFromText.y - rowSize.height;
3779 position = Vector3(topHandle.x, topHandle.y, 0.0f);
3781 float xPosition = ( fabsf( topHandle.x - bottomHandle.x ) )*0.5f + std::min( mSelectionHandleOneActualPosition.x , mSelectionHandleTwoActualPosition.x );
3783 position.x = xPosition;
3785 // Alternative position if no upper space
3786 bottomHandle.y += GetSelectionHandleSize().y + mPopupOffsetFromText.w;
3787 alternativePopupPosition = Vector2 ( position.x, bottomHandle.y );
3791 // When no text is selected, show popup at world position of grab handle or cursor
3792 position = GetActualPositionFromCharacterPosition( mCursorPosition );
3793 const Size rowSize = GetRowRectFromCharacterPosition( mCursorPosition );
3794 position.y -= ( mPopupOffsetFromText.y + rowSize.height );
3795 // if can't be positioned above, then position below row.
3796 alternativePopupPosition = Vector2( position.x, position.y ); // default if no grab handle
3799 // If grab handle enabled then position pop-up below the grab handle.
3800 alternativePopupPosition.y = rowSize.height + mGrabHandle.GetCurrentSize().height + mPopupOffsetFromText.w +50.0f;
3804 SetPopupPosition( position, alternativePopupPosition );
3807 mPopupPanel.Show( Self(), animate );
3808 StartMonitoringStageForTouch();
3810 mPopupPanel.PressedSignal().Connect( this, &TextInput::OnPopupButtonPressed );
3813 void TextInput::ShowPopupCutCopyPaste()
3817 mPopupPanel.CreateOrderedListOfOptions(); // todo Move this so only run when order has changed
3818 // Check the selected text is whole text or not.
3819 if( IsTextSelected() && ( mStyledText.size() != GetSelectedText().size() ) )
3821 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsSelectAll, true );
3824 if ( !mStyledText.empty() )
3826 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsCopy, true );
3827 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsCut, true );
3830 if( mClipboard && mClipboard.NumberOfItems() )
3832 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsPaste, true );
3833 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsClipboard, true );
3838 mPopupPanel.Hide(false);
3842 void TextInput::SetUpPopupSelection()
3845 mPopupPanel.CreateOrderedListOfOptions(); // todo Move this so only run when order has changed
3846 // If no text exists then don't offer to select
3847 if ( !mStyledText.empty() )
3849 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsSelectAll, true );
3850 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsSelect, true );
3851 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsCut, true );
3853 // if clipboard has valid contents then offer paste option
3854 if( mClipboard && mClipboard.NumberOfItems() )
3856 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsPaste, true );
3857 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsClipboard, true );
3862 mPopupPanel.Hide(false);
3865 bool TextInput::ReturnClosestIndex(const Vector2& source, std::size_t& closestIndex )
3870 std::vector<Toolkit::TextView::CharacterLayoutInfo> matchedCharacters;
3871 bool lastRightToLeftChar(false); /// RTL state of previous character encountered (character on the left of touch point)
3872 bool rightToLeftChar(false); /// RTL state of current character encountered (character on the right of touch point)
3873 float glyphIntersection(0.0f); /// Glyph intersection, the point between the two nearest characters touched.
3875 const Vector2 sourceScrollOffset( source + mTextLayoutInfo.mScrollOffset );
3877 if ( !mTextLayoutInfo.mCharacterLayoutInfoTable.empty() )
3879 float closestYdifference = std::numeric_limits<float>::max();
3880 std::size_t lineOffset = 0; /// Keep track of position of the first character on the matched line of interest.
3881 std::size_t numberOfMatchedCharacters = 0;
3883 // 1. Find closest character line to y part of source, create vector of all entries in that Y position
3884 // TODO: There should be an easy call to enumerate through each visual line, instead of each character on all visual lines.
3886 for( std::vector<Toolkit::TextView::CharacterLayoutInfo>::const_iterator it = mTextLayoutInfo.mCharacterLayoutInfoTable.begin(), endIt = mTextLayoutInfo.mCharacterLayoutInfoTable.end(); it != endIt; ++it )
3888 const Toolkit::TextView::CharacterLayoutInfo& info( *it );
3889 float baselinePosition = info.mPosition.y - info.mDescender;
3891 if( info.mIsVisible )
3893 // store difference between source y point and the y position of the current character
3894 float currentYdifference = fabsf( sourceScrollOffset.y - ( baselinePosition ) );
3896 if( currentYdifference < closestYdifference )
3898 // closest so far; store this difference and clear previous matchedCharacters as no longer closest
3899 lineOffset = it - mTextLayoutInfo.mCharacterLayoutInfoTable.begin();
3900 closestYdifference = currentYdifference;
3901 matchedCharacters.clear();
3902 numberOfMatchedCharacters = 0; // reset count
3905 // add all characters that are on the same Y axis (within the CHARACTER_THRESHOLD) to the matched array.
3906 if( fabsf( closestYdifference - currentYdifference ) < CHARACTER_THRESHOLD )
3908 // ignore new line character.
3909 if( !info.mIsNewLineChar )
3911 matchedCharacters.push_back( info );
3912 numberOfMatchedCharacters++;
3916 } // End of loop checking each character's y position in the character layout table
3918 // Check if last character is a newline, if it is
3919 // then need pretend there is an imaginary line afterwards,
3920 // and check if user is touching below previous line.
3921 const Toolkit::TextView::CharacterLayoutInfo& lastInfo( mTextLayoutInfo.mCharacterLayoutInfoTable[mTextLayoutInfo.mCharacterLayoutInfoTable.size() - 1] );
3923 if( ( lastInfo.mIsVisible ) && ( lastInfo.mIsNewLineChar ) && ( sourceScrollOffset.y > lastInfo.mPosition.y ) )
3925 closestIndex = mTextLayoutInfo.mCharacterLayoutInfoTable.size();
3929 std::vector<Toolkit::TextView::CharacterLayoutInfo>::const_iterator it = matchedCharacters.begin();
3930 std::vector<Toolkit::TextView::CharacterLayoutInfo>::const_iterator endIt = matchedCharacters.end();
3932 bool matched( false );
3934 // 2 Iterate through matching list of y positions and find closest matching X position.
3935 for( ; it != endIt; ++it )
3937 const Toolkit::TextView::CharacterLayoutInfo& info( *it );
3939 if( info.mIsVisible )
3941 // stop when on left side of character's center.
3942 const float characterMidPointPosition = info.mPosition.x + ( info.mSize.width * 0.5f ) ;
3943 if( sourceScrollOffset.x < characterMidPointPosition )
3945 if(info.mIsRightToLeftCharacter)
3947 rightToLeftChar = true;
3949 glyphIntersection = info.mPosition.x;
3954 lastRightToLeftChar = info.mIsRightToLeftCharacter;
3960 rightToLeftChar = lastRightToLeftChar;
3963 std::size_t matchCharacterIndex = it - matchedCharacters.begin();
3964 closestIndex = lineOffset + matchCharacterIndex;
3966 mClosestCursorPositionEOL = false; // reset
3967 if ( it == endIt && !matched )
3969 mClosestCursorPositionEOL = true; // Reached end of matched characters in closest line but no match so cursor should be after last character.
3972 // For RTL characters, need to adjust closestIndex by 1 (as the inequality above would be reverse)
3973 if( rightToLeftChar && lastRightToLeftChar )
3975 --closestIndex; // (-1 = numeric_limits<std::size_t>::max())
3980 // closestIndex is the visual index, need to convert it to the logical index
3981 if( !mTextLayoutInfo.mCharacterVisualToLogicalMap.empty() )
3983 if( closestIndex < mTextLayoutInfo.mCharacterVisualToLogicalMap.size() )
3985 // Checks for situations where user is touching between LTR and RTL
3986 // characters. To identify if the user means the end of a LTR string
3987 // or the beginning of an RTL string, and vice versa.
3988 if( closestIndex > 0 )
3990 if( rightToLeftChar && !lastRightToLeftChar )
3995 // A: In this touch range, the user is indicating that they wish to place
3996 // the cursor at the end of the LTR text.
3997 // B: In this touch range, the user is indicating that they wish to place
3998 // the cursor at the end of the RTL text.
4000 // Result of touching A area:
4001 // [.....LTR]|[RTL......]+
4003 // |: primary cursor (for typing LTR chars)
4004 // +: secondary cursor (for typing RTL chars)
4006 // Result of touching B area:
4007 // [.....LTR]+[RTL......]|
4009 // |: primary cursor (for typing RTL chars)
4010 // +: secondary cursor (for typing LTR chars)
4012 if( sourceScrollOffset.x < glyphIntersection )
4017 else if( !rightToLeftChar && lastRightToLeftChar )
4019 if( sourceScrollOffset.x < glyphIntersection )
4026 closestIndex = mTextLayoutInfo.mCharacterVisualToLogicalMap[closestIndex];
4027 // If user touched a left-side of RTL char, and the character on the left was an LTR then position logical cursor
4028 // one further ahead
4029 if( rightToLeftChar && !lastRightToLeftChar )
4034 else if( closestIndex == numeric_limits<std::size_t>::max() ) // -1 RTL (after last arabic character on line)
4036 closestIndex = mTextLayoutInfo.mCharacterVisualToLogicalMap.size();
4038 else if( mTextLayoutInfo.mCharacterLayoutInfoTable[ mTextLayoutInfo.mCharacterVisualToLogicalMap[ closestIndex - 1 ] ].mIsRightToLeftCharacter ) // size() LTR (after last european character on line)
4047 float TextInput::GetLineJustificationPosition() const
4049 const Vector3& size = mDisplayedTextView.GetCurrentSize();
4050 Toolkit::Alignment::Type alignment = mDisplayedTextView.GetTextAlignment();
4051 float alignmentOffset = 0.f;
4053 // Work out cursor 'x' position when there are any character accordingly with the text view alignment settings.
4054 if( alignment & Toolkit::Alignment::HorizontalLeft )
4056 alignmentOffset = 0.f;
4058 else if( alignment & Toolkit::Alignment::HorizontalCenter )
4060 alignmentOffset = 0.5f * ( size.width - mTextLayoutInfo.mTextSize.width );
4062 else if( alignment & Toolkit::Alignment::HorizontalRight )
4064 alignmentOffset = size.width - mTextLayoutInfo.mTextSize.width;
4067 Toolkit::TextView::LineJustification justification = mDisplayedTextView.GetLineJustification();
4068 float justificationOffset = 0.f;
4070 switch( justification )
4072 case Toolkit::TextView::Left:
4074 justificationOffset = 0.f;
4077 case Toolkit::TextView::Center:
4079 justificationOffset = 0.5f * mTextLayoutInfo.mTextSize.width;
4082 case Toolkit::TextView::Right:
4084 justificationOffset = mTextLayoutInfo.mTextSize.width;
4087 case Toolkit::TextView::Justified:
4089 justificationOffset = 0.f;
4094 DALI_ASSERT_ALWAYS( false );
4098 return alignmentOffset + justificationOffset;
4101 Vector3 TextInput::PositionCursorAfterWordWrap( std::size_t characterPosition ) const
4103 /* Word wrap occurs automatically in TextView when the exceed policy moves a word to the next line when not enough space on current.
4104 A newline character is not inserted in this case */
4106 DALI_ASSERT_DEBUG( !(characterPosition <= 0 ));
4108 Vector3 cursorPosition;
4110 Toolkit::TextView::CharacterLayoutInfo currentCharInfo;
4112 if ( characterPosition == mTextLayoutInfo.mCharacterLayoutInfoTable.size() )
4114 // end character so use
4115 currentCharInfo = mTextLayoutInfo.mCharacterLayoutInfoTable[ characterPosition - 1 ];
4116 cursorPosition = Vector3(currentCharInfo.mPosition.x + currentCharInfo.mSize.width, currentCharInfo.mPosition.y, currentCharInfo.mPosition.z) ;
4120 currentCharInfo = mTextLayoutInfo.mCharacterLayoutInfoTable[ characterPosition ];
4123 Toolkit::TextView::CharacterLayoutInfo previousCharInfo = mTextLayoutInfo.mCharacterLayoutInfoTable[ characterPosition - 1];
4125 // If previous character on a different line then use current characters position
4126 if ( fabsf( (currentCharInfo.mPosition.y - currentCharInfo.mDescender ) - ( previousCharInfo.mPosition.y - previousCharInfo.mDescender) ) > Math::MACHINE_EPSILON_1000 )
4128 if ( mClosestCursorPositionEOL )
4130 cursorPosition = Vector3(previousCharInfo.mPosition.x + previousCharInfo.mSize.width, previousCharInfo.mPosition.y, previousCharInfo.mPosition.z) ;
4134 cursorPosition = Vector3(currentCharInfo.mPosition);
4139 // Previous character is on same line so use position of previous character plus it's width.
4140 cursorPosition = Vector3(previousCharInfo.mPosition.x + previousCharInfo.mSize.width, previousCharInfo.mPosition.y, previousCharInfo.mPosition.z) ;
4143 return cursorPosition;
4146 Vector3 TextInput::GetActualPositionFromCharacterPosition(std::size_t characterPosition) const
4148 bool direction(false);
4149 Vector3 alternatePosition;
4150 bool alternatePositionValid(false);
4152 return GetActualPositionFromCharacterPosition( characterPosition, direction, alternatePosition, alternatePositionValid );
4155 Vector3 TextInput::GetActualPositionFromCharacterPosition(std::size_t characterPosition, bool& directionRTL, Vector3& alternatePosition, bool& alternatePositionValid ) const
4157 Vector3 cursorPosition( 0.f, 0.f, 0.f );
4159 alternatePositionValid = false;
4160 directionRTL = false;
4162 if( !mTextLayoutInfo.mCharacterLayoutInfoTable.empty() && !mTextLayoutInfo.mCharacterLogicalToVisualMap.empty() )
4164 std::size_t visualCharacterPosition;
4166 // When cursor is not at beginning, consider possibility of
4167 // showing 2 cursors. (whereas at beginning we only ever show one cursor)
4168 if(characterPosition > 0)
4170 // Cursor position should be the end of the last character.
4171 // If the last character is LTR, then the end is on the right side of the glyph.
4172 // If the last character is RTL, then the end is on the left side of the glyph.
4173 visualCharacterPosition = mTextLayoutInfo.mCharacterLogicalToVisualMap[ characterPosition - 1 ];
4175 if( !( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + visualCharacterPosition ) ).mIsVisible )
4177 visualCharacterPosition = FindVisibleCharacter( Left, visualCharacterPosition );
4180 Toolkit::TextView::CharacterLayoutInfo info = mTextLayoutInfo.mCharacterLayoutInfoTable[ visualCharacterPosition ];
4181 if( ( visualCharacterPosition > 0 ) && info.mIsNewLineChar && !IsScrollEnabled() )
4183 // Prevents the cursor to exceed the boundary if the last visible character is a 'new line character' and the scroll is not enabled.
4184 const Vector3& size = GetControlSize();
4186 if( info.mPosition.y + info.mSize.height - mDisplayedTextView.GetLineHeightOffset() > size.height )
4188 --visualCharacterPosition;
4190 info = mTextLayoutInfo.mCharacterLayoutInfoTable[ visualCharacterPosition ];
4193 if(!info.mIsNewLineChar)
4195 cursorPosition = PositionCursorAfterWordWrap( characterPosition ); // Get position of cursor/handles taking in account auto word wrap.
4199 // When cursor points to first character on new line, position cursor at the start of this glyph.
4200 if(characterPosition < mTextLayoutInfo.mCharacterLogicalToVisualMap.size())
4202 std::size_t visualCharacterNextPosition = mTextLayoutInfo.mCharacterLogicalToVisualMap[ characterPosition ];
4203 const Toolkit::TextView::CharacterLayoutInfo& infoNext = mTextLayoutInfo.mCharacterLayoutInfoTable[ visualCharacterNextPosition ];
4204 const float start( infoNext.mIsRightToLeftCharacter ? infoNext.mSize.width : 0.0f );
4206 cursorPosition.x = infoNext.mPosition.x + start;
4207 cursorPosition.y = infoNext.mPosition.y;
4211 // If cursor points to the end of text, then can only position
4212 // cursor where the new line starts based on the line-justification position.
4213 cursorPosition.x = GetLineJustificationPosition();
4215 if(characterPosition == mTextLayoutInfo.mCharacterLogicalToVisualMap.size())
4217 // If this is after the last character, then we can assume that the new cursor
4218 // should be exactly one row below the current row.
4220 const Size rowRect(GetRowRectFromCharacterPosition(characterPosition - 1));
4221 cursorPosition.y = info.mPosition.y + rowRect.height;
4225 // If this is not after last character, then we can use this row's height.
4226 // should be exactly one row below the current row.
4228 const Size rowRect(GetRowRectFromCharacterPosition(characterPosition));
4229 cursorPosition.y = info.mPosition.y + rowRect.height;
4234 directionRTL = info.mIsRightToLeftCharacter;
4236 // 1. When the cursor is neither at the beginning or the end,
4237 // we can show multiple cursors under situations when the cursor is
4238 // between RTL and LTR text...
4239 if(characterPosition != mTextLayoutInfo.mCharacterLogicalToVisualMap.size())
4241 std::size_t visualCharacterAltPosition = mTextLayoutInfo.mCharacterLogicalToVisualMap[characterPosition] - 1;
4243 DALI_ASSERT_ALWAYS(visualCharacterAltPosition < mTextLayoutInfo.mCharacterLayoutInfoTable.size());
4244 const Toolkit::TextView::CharacterLayoutInfo& infoAlt = mTextLayoutInfo.mCharacterLayoutInfoTable[ visualCharacterAltPosition ];
4246 if(!info.mIsRightToLeftCharacter && infoAlt.mIsRightToLeftCharacter)
4248 // Stuation occurs when cursor is at the end of English text (LTR) and beginning of Arabic (RTL)
4249 // Text: [...LTR...]|[...RTL...]
4251 // Alternate cursor pos: ^
4252 // In which case we need to display an alternate cursor for the RTL text.
4254 alternatePosition.x = infoAlt.mPosition.x + infoAlt.mSize.width;
4255 alternatePosition.y = infoAlt.mPosition.y;
4256 alternatePositionValid = true;
4258 else if(info.mIsRightToLeftCharacter && !infoAlt.mIsRightToLeftCharacter)
4260 // Situation occurs when cursor is at end of the Arabic text (LTR) and beginning of English (RTL)
4261 // Text: |[...RTL...] [...LTR....]
4263 // Alternate cursor pos: ^
4264 // In which case we need to display an alternate cursor for the RTL text.
4266 alternatePosition.x = infoAlt.mPosition.x;
4267 alternatePosition.y = infoAlt.mPosition.y;
4268 alternatePositionValid = true;
4273 // 2. When the cursor is at the end of the text,
4274 // and we have multi-directional text,
4275 // we can also consider showing mulitple cursors.
4276 // The rule here is:
4277 // If first and last characters on row are different
4278 // Directions, then two cursors need to be displayed.
4280 // Get first logical glyph on row
4281 std::size_t startCharacterPosition = GetRowStartFromCharacterPosition( characterPosition - 1 );
4283 std::size_t visualCharacterStartPosition = mTextLayoutInfo.mCharacterLogicalToVisualMap[ startCharacterPosition ];
4284 const Toolkit::TextView::CharacterLayoutInfo& infoStart= mTextLayoutInfo.mCharacterLayoutInfoTable[ visualCharacterStartPosition ];
4286 if(info.mIsRightToLeftCharacter && !infoStart.mIsRightToLeftCharacter)
4288 // For text Starting as LTR and ending as RTL. End cursor position is as follows:
4289 // Text: [...LTR...]|[...RTL...]
4291 // Alternate cursor pos: ^
4292 // In which case we need to display an alternate cursor for the RTL text, this cursor
4293 // should be at the end of the given line.
4295 const Toolkit::TextView::CharacterLayoutInfo& infoAlt = mTextLayoutInfo.mCharacterLayoutInfoTable[ mTextLayoutInfo.mCharacterLayoutInfoTable.size() - 1 ];
4296 alternatePosition.x = infoAlt.mPosition.x + infoAlt.mSize.width;
4297 alternatePosition.y = infoAlt.mPosition.y;
4298 alternatePositionValid = true;
4300 else if(!info.mIsRightToLeftCharacter && infoStart.mIsRightToLeftCharacter) // starting RTL
4302 // For text Starting as RTL and ending as LTR. End cursor position is as follows:
4303 // Text: |[...RTL...] [...LTR....]
4305 // Alternate cursor pos: ^
4306 // In which case we need to display an alternate cursor for the RTL text.
4308 const Toolkit::TextView::CharacterLayoutInfo& infoAlt = mTextLayoutInfo.mCharacterLayoutInfoTable[ startCharacterPosition ];
4309 alternatePosition.x = infoAlt.mPosition.x;
4310 alternatePosition.y = infoAlt.mPosition.y;
4311 alternatePositionValid = true;
4314 } // characterPosition > 0
4315 else if(characterPosition == 0)
4317 // When the cursor position is at the beginning, it should be at the start of the current character.
4318 // If the current character is LTR, then the start is on the right side of the glyph.
4319 // If the current character is RTL, then the start is on the left side of the glyph.
4320 visualCharacterPosition = mTextLayoutInfo.mCharacterLogicalToVisualMap[ characterPosition ];
4322 if( !( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + visualCharacterPosition ) ).mIsVisible )
4324 visualCharacterPosition = FindVisibleCharacter( Right, visualCharacterPosition );
4327 const Toolkit::TextView::CharacterLayoutInfo& info = mTextLayoutInfo.mCharacterLayoutInfoTable[ visualCharacterPosition ];
4328 const float start(info.mIsRightToLeftCharacter ? info.mSize.width : 0.0f);
4330 cursorPosition.x = info.mPosition.x + start;
4331 cursorPosition.y = info.mPosition.y;
4332 directionRTL = info.mIsRightToLeftCharacter;
4337 // If the character table is void, place the cursor accordingly the text alignment.
4338 const Vector3& size = GetControlSize();
4340 Toolkit::Alignment::Type alignment = mDisplayedTextView.GetTextAlignment();
4341 float alignmentOffset = 0.f;
4343 // Work out cursor 'x' position when there are any character accordingly with the text view alignment settings.
4344 if( alignment & Toolkit::Alignment::HorizontalLeft )
4346 alignmentOffset = 0.f;
4348 else if( alignment & Toolkit::Alignment::HorizontalCenter )
4350 alignmentOffset = 0.5f * ( size.width );
4352 else if( alignment & Toolkit::Alignment::HorizontalRight )
4354 alignmentOffset = size.width;
4357 // Work out cursor 'x' position when there are any character accordingly with the text view alignment settings.
4358 cursorPosition.x = alignmentOffset;
4360 // Work out cursor 'y' position when there are any character accordingly with the text view alignment settings.
4361 if( alignment & Toolkit::Alignment::VerticalTop )
4363 cursorPosition.y = mLineHeight;
4365 else if( alignment & Toolkit::Alignment::VerticalCenter )
4367 cursorPosition.y = 0.5f * ( size.height + mLineHeight );
4369 else if( alignment & Toolkit::Alignment::VerticalBottom )
4371 cursorPosition.y = size.height;
4375 cursorPosition.x -= mTextLayoutInfo.mScrollOffset.x;
4376 cursorPosition.y -= mTextLayoutInfo.mScrollOffset.y;
4377 if( alternatePositionValid )
4379 alternatePosition.x -= mTextLayoutInfo.mScrollOffset.x;
4380 alternatePosition.y -= mTextLayoutInfo.mScrollOffset.y;
4383 return cursorPosition;
4386 std::size_t TextInput::GetRowStartFromCharacterPosition(std::size_t logicalPosition) const
4388 // scan string from current position to beginning of current line to note direction of line
4389 while(logicalPosition)
4392 std::size_t visualPosition = GetVisualPosition(logicalPosition);
4393 if(mTextLayoutInfo.mCharacterLayoutInfoTable[visualPosition].mIsNewLineChar)
4400 return logicalPosition;
4403 Size TextInput::GetRowRectFromCharacterPosition(std::size_t characterPosition) const
4407 return GetRowRectFromCharacterPosition( characterPosition, min, max );
4410 Size TextInput::GetRowRectFromCharacterPosition(std::size_t characterPosition, Vector2& min, Vector2& max) const
4412 // if we have no text content, then return position 0,0 with width 0, and height the same as cursor height.
4413 if( mTextLayoutInfo.mCharacterLayoutInfoTable.empty() )
4415 min = Vector2::ZERO;
4416 max = Vector2(0.0f, mLineHeight);
4420 // TODO: This info should be readily available from text-view, we should not have to search hard for it.
4421 Toolkit::TextView::CharacterLayoutInfoContainer::const_iterator begin = mTextLayoutInfo.mCharacterLayoutInfoTable.begin();
4422 Toolkit::TextView::CharacterLayoutInfoContainer::const_iterator end = mTextLayoutInfo.mCharacterLayoutInfoTable.end();
4424 // If cursor is pointing to end of line, then start from last character.
4425 characterPosition = std::min( characterPosition, static_cast<std::size_t>(mTextLayoutInfo.mCharacterLayoutInfoTable.size() - 1) );
4427 Toolkit::TextView::CharacterLayoutInfoContainer::const_iterator it = mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + characterPosition;
4429 // 0. Find first a visible character. Draw a cursor beyound text-input bounds is not wanted.
4430 if( !it->mIsVisible )
4432 characterPosition = FindVisibleCharacter( Left, characterPosition );
4433 it = mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + characterPosition;
4436 // Scan characters left and right of cursor, stopping when end of line/string reached or
4437 // y position greater than threshold of reference line.
4439 // 1. scan left until we reach the beginning or a different line.
4440 Toolkit::TextView::CharacterLayoutInfoContainer::const_iterator validCharIt = it;
4441 float referenceLine = it->mPosition.y - CHARACTER_THRESHOLD;
4442 // min-x position is the left-most char's left (x)
4443 // max-x position is the right-most char's right (x)
4444 // min-y position is the minimum of all character's top (y)
4445 // max-y position is the maximum of all character's bottom (y+height)
4446 min.y = validCharIt->mPosition.y;
4447 max.y = validCharIt->mPosition.y + validCharIt->mSize.y;
4452 min.y = std::min(min.y, validCharIt->mPosition.y);
4453 max.y = std::max(max.y, validCharIt->mPosition.y + validCharIt->mSize.y);
4462 if( (it->mPosition.y < referenceLine) ||
4463 (it->mIsNewLineChar) ||
4470 // info refers to the first character on this line.
4471 min.x = validCharIt->mPosition.x;
4473 // 2. scan right until we reach end or a different line
4474 it = mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + characterPosition;
4475 referenceLine = it->mPosition.y + CHARACTER_THRESHOLD;
4479 if( (it->mPosition.y > referenceLine) ||
4480 (it->mIsNewLineChar) ||
4487 min.y = std::min(min.y, validCharIt->mPosition.y);
4488 max.y = std::max(max.y, validCharIt->mPosition.y + validCharIt->mSize.y);
4493 DALI_ASSERT_DEBUG ( validCharIt != end && "validCharIt invalid")
4495 if ( validCharIt != end )
4497 // info refers to the last character on this line.
4498 max.x = validCharIt->mPosition.x + validCharIt->mSize.x;
4501 return Size( max.x - min.x, max.y - min.y );
4504 bool TextInput::WasTouchedCheck( const Actor& touchedActor ) const
4506 Actor popUpPanel = mPopupPanel.GetRootActor();
4508 if ( ( touchedActor == Self() ) || ( touchedActor == popUpPanel ) )
4514 Dali::Actor parent( touchedActor.GetParent() );
4518 return WasTouchedCheck( parent );
4525 void TextInput::StartMonitoringStageForTouch()
4527 Stage stage = Stage::GetCurrent();
4528 stage.TouchedSignal().Connect( this, &TextInput::OnStageTouched );
4531 void TextInput::EndMonitoringStageForTouch()
4533 Stage stage = Stage::GetCurrent();
4534 stage.TouchedSignal().Disconnect( this, &TextInput::OnStageTouched );
4537 void TextInput::OnStageTouched(const TouchEvent& event)
4539 if( event.GetPointCount() > 0 )
4541 if ( TouchPoint::Down == event.GetPoint(0).state )
4543 const Actor touchedActor(event.GetPoint(0).hitActor);
4545 bool popUpShown( false );
4547 if ( ( mPopupPanel.GetState() == TextInputPopup::StateShowing ) || ( mPopupPanel.GetState() == TextInputPopup::StateShown ) )
4552 bool textInputTouched = (touchedActor && WasTouchedCheck( touchedActor ));
4554 if ( ( mHighlightMeshActor || popUpShown ) && !textInputTouched )
4556 EndMonitoringStageForTouch();
4557 HidePopup( true, false );
4560 if ( ( IsGrabHandleEnabled() && mGrabHandle ) && !textInputTouched )
4562 EndMonitoringStageForTouch();
4563 ShowGrabHandleAndSetVisibility( false );
4569 void TextInput::SelectText(std::size_t start, std::size_t end)
4571 DALI_LOG_INFO(gLogFilter, Debug::General, "SelectText mEditModeActive[%s] grabHandle[%s] start[%u] end[%u] size[%u]\n", mEditModeActive?"true":"false",
4572 IsGrabHandleEnabled()?"true":"false",
4573 start, end, mTextLayoutInfo.mCharacterLayoutInfoTable.size() );
4574 DALI_ASSERT_ALWAYS( start <= mTextLayoutInfo.mCharacterLayoutInfoTable.size() && "TextInput::SelectText start out of max range" );
4575 DALI_ASSERT_ALWAYS( end <= mTextLayoutInfo.mCharacterLayoutInfoTable.size() && "TextInput::SelectText end out of max range" );
4577 StartMonitoringStageForTouch();
4579 if ( mEditModeActive ) // Only allow text selection when in edit mode
4581 // When replacing highlighted text keyboard should ignore current word at cursor hence notify keyboard that the cursor is at the start of the highlight.
4582 mSelectingText = true;
4584 mCursorPosition = std::min( start, end ); // Set cursor position to start of highlighted text.
4586 ImfManager imfManager = ImfManager::Get();
4589 imfManager.SetCursorPosition ( mCursorPosition );
4590 imfManager.SetSurroundingText( GetText() );
4591 imfManager.NotifyCursorPosition();
4593 // As the imfManager has been notified of the new cursor position we do not need to reset the pre-edit as it will be updated instead.
4595 // Hide grab handle when selecting.
4596 ShowGrabHandleAndSetVisibility( false );
4598 if( start != end ) // something to select
4600 SetCursorVisibility( false );
4601 StopCursorBlinkTimer();
4603 CreateSelectionHandles(start, end);
4606 const TextStyle oldInputStyle( mInputStyle );
4607 mInputStyle = GetStyleAt( mCursorPosition ); // Inherit style from selected position.
4609 if( oldInputStyle != mInputStyle )
4611 // Updates the line height accordingly with the input style.
4614 EmitStyleChangedSignal();
4620 mSelectingText = false;
4624 MarkupProcessor::StyledTextArray TextInput::GetSelectedText()
4626 MarkupProcessor::StyledTextArray currentSelectedText;
4628 if ( IsTextSelected() )
4630 MarkupProcessor::StyledTextArray::iterator it = mStyledText.begin() + std::min(mSelectionHandleOnePosition, mSelectionHandleTwoPosition);
4631 MarkupProcessor::StyledTextArray::iterator end = mStyledText.begin() + std::max(mSelectionHandleOnePosition, mSelectionHandleTwoPosition);
4633 for(; it != end; ++it)
4635 MarkupProcessor::StyledText& styledText( *it );
4636 currentSelectedText.push_back( styledText );
4639 return currentSelectedText;
4642 void TextInput::ApplyStyleToRange(const TextStyle& style, const TextStyle::Mask mask, const std::size_t begin, const std::size_t end)
4644 const std::size_t beginIndex = std::min( begin, end );
4645 const std::size_t endIndex = std::max( begin, end );
4648 MarkupProcessor::SetTextStyleToRange( mStyledText, style, mask, beginIndex, endIndex );
4650 // Create a styled text array used to replace the text into the text-view.
4651 MarkupProcessor::StyledTextArray text;
4652 text.insert( text.begin(), mStyledText.begin() + beginIndex, mStyledText.begin() + endIndex + 1 );
4654 mDisplayedTextView.ReplaceTextFromTo( beginIndex, ( endIndex - beginIndex ) + 1, text );
4655 GetTextLayoutInfo();
4657 if( IsScrollEnabled() )
4659 // Need to set the scroll position as the text's size may have changed.
4660 ScrollTextViewToMakeCursorVisible( Vector3( mTextLayoutInfo.mScrollOffset.x, mTextLayoutInfo.mScrollOffset.y, 0.f ) );
4663 ShowGrabHandleAndSetVisibility( false );
4669 // Set Handle positioning as the new style may have repositioned the characters.
4670 SetSelectionHandlePosition(HandleOne);
4671 SetSelectionHandlePosition(HandleTwo);
4674 void TextInput::KeyboardStatusChanged(bool keyboardShown)
4676 // Just hide the grab handle when keyboard is hidden.
4677 if (!keyboardShown )
4679 ShowGrabHandleAndSetVisibility( false );
4681 // If the keyboard is not now being shown, then hide the popup panel
4682 mPopupPanel.Hide( true );
4686 // Removes highlight and resumes edit mode state
4687 void TextInput::RemoveHighlight()
4689 DALI_LOG_INFO(gLogFilter, Debug::General, "RemoveHighlight\n");
4691 if ( mHighlightMeshActor )
4693 if ( mSelectionHandleOne )
4695 mActiveLayer.Remove( mSelectionHandleOne );
4696 mSelectionHandleOne.Reset();
4697 mSelectionHandleOneOffset.x = 0.0f;
4699 if ( mSelectionHandleTwo )
4701 mActiveLayer.Remove( mSelectionHandleTwo );
4702 mSelectionHandleTwo.Reset();
4703 mSelectionHandleTwoOffset.x = 0.0f;
4706 mNewHighlightInfo.mQuadList.clear();
4708 Self().Remove( mHighlightMeshActor );
4710 SetCursorVisibility( true );
4711 StartCursorBlinkTimer();
4713 mHighlightMeshActor.Reset();
4714 // NOTE: We cannot dereference mHighlightMesh, due
4715 // to a bug in how the scene-graph MeshRenderer uses the Mesh data incorrectly.
4720 mSelectionHandleOnePosition = 0;
4721 mSelectionHandleTwoPosition = 0;
4724 void TextInput::CreateHighlight()
4726 if ( !mHighlightMeshActor )
4728 mMeshData = MeshData( );
4729 mMeshData.SetHasNormals( true );
4731 mCustomMaterial = Material::New("CustomMaterial");
4732 mCustomMaterial.SetDiffuseColor( mMaterialColor );
4734 mMeshData.SetMaterial( mCustomMaterial );
4736 mHighlightMesh = Mesh::New( mMeshData );
4738 mHighlightMeshActor = MeshActor::New( mHighlightMesh );
4739 mHighlightMeshActor.SetName( "HighlightMeshActor" );
4740 mHighlightMeshActor.SetParentOrigin( ParentOrigin::TOP_LEFT );
4741 mHighlightMeshActor.SetAnchorPoint( AnchorPoint::TOP_LEFT );
4742 mHighlightMeshActor.SetPosition( 0.0f, 0.0f, DISPLAYED_HIGHLIGHT_Z_OFFSET );
4743 mHighlightMeshActor.SetAffectedByLighting(false);
4745 Self().Add(mHighlightMeshActor);
4750 bool TextInput::CopySelectedTextToClipboard()
4752 mCurrentCopySelecton.clear();
4754 mCurrentCopySelecton = GetSelectedText();
4756 std::string stringToStore;
4758 /* Create a StyledTextArray from the selected region so can use the MarkUpProcessor to produce
4759 * a marked up string.
4761 MarkupProcessor::StyledTextArray selectedText(mCurrentCopySelecton.begin(),mCurrentCopySelecton.end());
4762 MarkupProcessor::GetPlainString( selectedText, stringToStore );
4763 bool success = mClipboard.SetItem( stringToStore );
4767 void TextInput::PasteText( const Text& text )
4769 // Update Flag, indicates whether to update the text-input contents or not.
4770 // Any key stroke that results in a visual change of the text-input should
4771 // set this flag to true.
4772 bool update = false;
4773 if( mHighlightMeshActor )
4775 /* if highlighted, delete entire text, and position cursor at start of deleted text. */
4776 mCursorPosition = std::min(mSelectionHandleOnePosition, mSelectionHandleTwoPosition);
4778 ImfManager imfManager = ImfManager::Get();
4781 imfManager.SetCursorPosition( mCursorPosition );
4782 imfManager.NotifyCursorPosition();
4784 DeleteHighlightedText( true );
4788 bool textExceedsMaximunNumberOfCharacters = false;
4789 bool textExceedsBoundary = false;
4791 std::size_t insertedStringLength = DoInsertAt( text, mCursorPosition, 0, textExceedsMaximunNumberOfCharacters, textExceedsBoundary );
4793 mCursorPosition += insertedStringLength;
4794 ImfManager imfManager = ImfManager::Get();
4797 imfManager.SetCursorPosition ( mCursorPosition );
4798 imfManager.NotifyCursorPosition();
4801 update = update || ( insertedStringLength > 0 );
4807 if( insertedStringLength < text.GetLength() )
4809 EmitMaxInputCharactersReachedSignal();
4812 if( textExceedsBoundary )
4814 EmitInputTextExceedsBoundariesSignal();
4818 void TextInput::SetTextDirection()
4820 // Put the cursor to the right if we are empty and an RTL language is being used.
4821 if ( mStyledText.empty() )
4823 VirtualKeyboard::TextDirection direction( VirtualKeyboard::GetTextDirection() );
4825 // Get the current text alignment preserving the vertical alignment. Also preserve the horizontal center
4826 // alignment as we do not want to set the text direction if we've been asked to be in the center.
4828 // TODO: Should split SetTextAlignment into two APIs to better handle this (sometimes apps just want to
4829 // set vertical alignment but are being forced to set the horizontal alignment as well with the
4831 int alignment( mDisplayedTextView.GetTextAlignment() &
4832 ( Toolkit::Alignment::VerticalTop |
4833 Toolkit::Alignment::VerticalCenter |
4834 Toolkit::Alignment::VerticalBottom |
4835 Toolkit::Alignment::HorizontalCenter ) );
4836 Toolkit::TextView::LineJustification justification( mDisplayedTextView.GetLineJustification() );
4838 // If our alignment is in the center, then do not change.
4839 if ( !( alignment & Toolkit::Alignment::HorizontalCenter ) )
4841 alignment |= ( direction == VirtualKeyboard::LeftToRight ) ? Toolkit::Alignment::HorizontalLeft : Toolkit::Alignment::HorizontalRight;
4844 // If our justification is in the center, then do not change.
4845 if ( justification != Toolkit::TextView::Center )
4847 justification = ( direction == VirtualKeyboard::LeftToRight ) ? Toolkit::TextView::Left : Toolkit::TextView::Right;
4850 mDisplayedTextView.SetTextAlignment( static_cast<Toolkit::Alignment::Type>(alignment) );
4851 mDisplayedTextView.SetLineJustification( justification );
4855 void TextInput::UpdateLineHeight()
4857 Dali::Font font = Dali::Font::New( FontParameters( mInputStyle.GetFontName(), mInputStyle.GetFontStyle(), mInputStyle.GetFontPointSize() ) );
4858 mLineHeight = font.GetLineHeight();
4860 // If the height exceed policy is shrink or exceed the boundaries of the text-input is not allowed, then modify the line height is needed.
4862 const bool shrink = mDisplayedTextView && ( Toolkit::TextView::ShrinkToFit == mDisplayedTextView.GetHeightExceedPolicy() ) && mStyledText.empty();
4864 if( !mExceedEnabled || shrink )
4866 mLineHeight = std::min( mLineHeight, GetControlSize().height );
4870 std::size_t TextInput::FindVisibleCharacter( const FindVisibleCharacterDirection direction , const std::size_t cursorPosition ) const
4872 std::size_t position = 0;
4874 const std::size_t tableSize = mTextLayoutInfo.mCharacterLayoutInfoTable.size();
4880 position = FindVisibleCharacterLeft( cursorPosition, mTextLayoutInfo.mCharacterLayoutInfoTable );
4882 if( !( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + ( tableSize == position ? position - 1 : position ) ) ).mIsVisible )
4884 position = FindVisibleCharacterRight( cursorPosition, mTextLayoutInfo.mCharacterLayoutInfoTable );
4890 position = FindVisibleCharacterRight( cursorPosition, mTextLayoutInfo.mCharacterLayoutInfoTable );
4891 if( !( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + ( tableSize == position ? position - 1 : position ) ) ).mIsVisible )
4893 position = FindVisibleCharacterLeft( cursorPosition, mTextLayoutInfo.mCharacterLayoutInfoTable );
4899 position = FindVisibleCharacterLeft( 0, mTextLayoutInfo.mCharacterLayoutInfoTable );
4904 DALI_ASSERT_ALWAYS( !"TextInput::FindVisibleCharacter() Unknown direction." );
4911 void TextInput::SetSortModifier( float depthOffset )
4913 if(mDisplayedTextView)
4915 mDisplayedTextView.SetSortModifier(depthOffset);
4919 void TextInput::SetSnapshotModeEnabled( bool enable )
4921 if(mDisplayedTextView)
4923 mDisplayedTextView.SetSnapshotModeEnabled( enable );
4927 bool TextInput::IsSnapshotModeEnabled() const
4929 bool snapshotEnabled = false;
4931 if(mDisplayedTextView)
4933 snapshotEnabled = mDisplayedTextView.IsSnapshotModeEnabled();
4936 return snapshotEnabled;
4939 void TextInput::SetMarkupProcessingEnabled( bool enable )
4941 mMarkUpEnabled = enable;
4944 bool TextInput::IsMarkupProcessingEnabled() const
4946 return mMarkUpEnabled;
4949 void TextInput::SetScrollEnabled( bool enable )
4951 if( mDisplayedTextView )
4953 mDisplayedTextView.SetScrollEnabled( enable );
4958 // Don't set cursor's and handle's visibility to false if they are outside the
4959 // boundaries of the text-input.
4960 mIsCursorInScrollArea = true;
4961 mIsGrabHandleInScrollArea = true;
4962 if( mSelectionHandleOne && mSelectionHandleTwo )
4964 mSelectionHandleOne.SetVisible( true );
4965 mSelectionHandleTwo.SetVisible( true );
4967 if( mHighlightMeshActor )
4969 mHighlightMeshActor.SetVisible( true );
4975 bool TextInput::IsScrollEnabled() const
4977 bool scrollEnabled = false;
4979 if( mDisplayedTextView )
4981 scrollEnabled = mDisplayedTextView.IsScrollEnabled();
4984 return scrollEnabled;
4987 void TextInput::SetScrollPosition( const Vector2& position )
4989 if( mDisplayedTextView )
4991 mDisplayedTextView.SetScrollPosition( position );
4995 Vector2 TextInput::GetScrollPosition() const
4997 Vector2 scrollPosition;
4999 if( mDisplayedTextView )
5001 scrollPosition = mDisplayedTextView.GetScrollPosition();
5004 return scrollPosition;
5007 std::size_t TextInput::DoInsertAt( const Text& text, const std::size_t position, const std::size_t numberOfCharactersToReplace, bool& textExceedsMaximunNumberOfCharacters, bool& textExceedsBoundary )
5009 // determine number of characters that we can write to style text buffer, this is the insertStringLength
5010 std::size_t insertedStringLength = std::min( text.GetLength(), mMaxStringLength - mStyledText.size() );
5011 textExceedsMaximunNumberOfCharacters = insertedStringLength < text.GetLength();
5013 // Add style to the new input text.
5014 MarkupProcessor::StyledTextArray textToInsert;
5015 for( std::size_t i = 0; i < insertedStringLength; ++i )
5017 const MarkupProcessor::StyledText newStyledCharacter( text[i], mInputStyle );
5018 textToInsert.push_back( newStyledCharacter );
5021 //Insert text to the TextView.
5022 const bool emptyTextView = mStyledText.empty();
5023 if( emptyTextView && mPlaceHolderSet )
5025 // There is no text set so call to TextView::SetText() is needed in order to clear the placeholder text.
5026 mDisplayedTextView.SetText( textToInsert );
5030 if( 0 == numberOfCharactersToReplace )
5032 mDisplayedTextView.InsertTextAt( position, textToInsert );
5036 mDisplayedTextView.ReplaceTextFromTo( position, numberOfCharactersToReplace, textToInsert );
5039 mPlaceHolderSet = false;
5041 if( textToInsert.empty() )
5043 // If no text has been inserted, GetTextLayoutInfo() need to be called to check whether mStyledText has some text.
5044 GetTextLayoutInfo();
5048 // GetTextLayoutInfo() can't be used here as mStyledText is not updated yet.
5049 mDisplayedTextView.GetTextLayoutInfo( mTextLayoutInfo );
5052 textExceedsBoundary = false;
5054 if( !mExceedEnabled )
5056 const Vector3& size = GetControlSize();
5058 if( ( mTextLayoutInfo.mTextSize.width > size.width ) || ( mTextLayoutInfo.mTextSize.height > size.height ) )
5060 // If new text does not fit within TextView
5061 mDisplayedTextView.RemoveTextFrom( position, insertedStringLength );
5062 // previously inserted text has been removed. Call GetTextLayoutInfo() to check whether mStyledText has some text.
5063 GetTextLayoutInfo();
5064 textExceedsBoundary = true;
5065 insertedStringLength = 0;
5068 if( textExceedsBoundary )
5070 // Add the part of the text which fits on the text-input.
5072 // Split the text which doesn't fit in two halves.
5073 MarkupProcessor::StyledTextArray firstHalf;
5074 MarkupProcessor::StyledTextArray secondHalf;
5075 SplitText( textToInsert, firstHalf, secondHalf );
5077 // Clear text. This text will be filled with the text inserted.
5078 textToInsert.clear();
5080 // Where to insert the text.
5081 std::size_t positionToInsert = position;
5083 bool end = text.GetLength() <= 1;
5086 // Insert text and check ...
5087 const std::size_t textLength = firstHalf.size();
5088 mDisplayedTextView.InsertTextAt( positionToInsert, firstHalf );
5089 mDisplayedTextView.GetTextLayoutInfo( mTextLayoutInfo );
5091 if( ( mTextLayoutInfo.mTextSize.width > size.width ) || ( mTextLayoutInfo.mTextSize.height > size.height ) )
5093 // Inserted text doesn't fit.
5095 // Remove inserted text
5096 mDisplayedTextView.RemoveTextFrom( positionToInsert, textLength );
5097 mDisplayedTextView.GetTextLayoutInfo( mTextLayoutInfo );
5099 // The iteration finishes when only one character doesn't fit.
5100 end = textLength <= 1;
5104 // Prepare next two halves for next iteration.
5105 MarkupProcessor::StyledTextArray copyText = firstHalf;
5106 SplitText( copyText, firstHalf, secondHalf );
5113 // store text to be inserted in mStyledText.
5114 textToInsert.insert( textToInsert.end(), firstHalf.begin(), firstHalf.end() );
5116 // Increase the inserted characters counter.
5117 insertedStringLength += textLength;
5119 // Prepare next two halves for next iteration.
5120 MarkupProcessor::StyledTextArray copyText = secondHalf;
5121 SplitText( copyText, firstHalf, secondHalf );
5123 // Update where next text has to be inserted
5124 positionToInsert += textLength;
5130 if( textToInsert.empty() && emptyTextView )
5132 // No character has been added and the text-view was empty.
5133 // Set the placeholder text.
5134 mDisplayedTextView.SetText( mStyledPlaceHolderText );
5135 mPlaceHolderSet = true;
5139 MarkupProcessor::StyledTextArray::iterator it = mStyledText.begin() + position;
5140 mStyledText.insert( it, textToInsert.begin(), textToInsert.end() );
5141 mPlaceHolderSet = false;
5144 return insertedStringLength;
5147 void TextInput::GetTextLayoutInfo()
5149 if( mStyledText.empty() )
5151 // The text-input has no text, clear the text-view's layout info.
5152 mTextLayoutInfo = Toolkit::TextView::TextLayoutInfo();
5156 if( mDisplayedTextView )
5158 mDisplayedTextView.GetTextLayoutInfo( mTextLayoutInfo );
5162 // There is no text-view.
5163 mTextLayoutInfo = Toolkit::TextView::TextLayoutInfo();
5168 void TextInput::SetOffsetFromText( const Vector4& offset )
5170 mPopupOffsetFromText = offset;
5173 const Vector4& TextInput::GetOffsetFromText() const
5175 return mPopupOffsetFromText;
5178 void TextInput::SetProperty( BaseObject* object, Property::Index propertyIndex, const Property::Value& value )
5180 Toolkit::TextInput textInput = Toolkit::TextInput::DownCast( Dali::BaseHandle( object ) );
5184 TextInput& textInputImpl( GetImpl( textInput ) );
5186 switch ( propertyIndex )
5188 case Toolkit::TextInput::HIGHLIGHT_COLOR_PROPERTY:
5190 textInputImpl.SetMaterialDiffuseColor( value.Get< Vector4 >() );
5193 case Toolkit::TextInput::CUT_AND_PASTE_COLOR_PROPERTY:
5195 textInputImpl.mPopupPanel.SetCutPastePopupColor( value.Get< Vector4 >() );
5198 case Toolkit::TextInput::CUT_AND_PASTE_PRESSED_COLOR_PROPERTY:
5200 textInputImpl.mPopupPanel.SetCutPastePopupPressedColor( value.Get< Vector4 >() );
5203 case Toolkit::TextInput::CUT_AND_PASTE_BORDER_COLOR_PROPERTY:
5205 textInputImpl.mPopupPanel.SetCutPastePopupBorderColor( value.Get< Vector4 >() );
5208 case Toolkit::TextInput::CUT_AND_PASTE_ICON_COLOR_PROPERTY:
5210 textInputImpl.mPopupPanel.SetCutPastePopupIconColor( value.Get< Vector4 >() );
5213 case Toolkit::TextInput::CUT_AND_PASTE_ICON_PRESSED_COLOR_PROPERTY:
5215 textInputImpl.mPopupPanel.SetCutPastePopupIconPressedColor( value.Get< Vector4 >() );
5218 case Toolkit::TextInput::CUT_AND_PASTE_TEXT_COLOR_PROPERTY:
5220 textInputImpl.mPopupPanel.SetCutPastePopupTextColor( value.Get< Vector4 >() );
5223 case Toolkit::TextInput::CUT_AND_PASTE_TEXT_PRESSED_COLOR_PROPERTY:
5225 textInputImpl.mPopupPanel.SetCutPastePopupTextPressedColor( value.Get< Vector4 >() );
5228 case Toolkit::TextInput::CUT_BUTTON_POSITION_PRIORITY_PROPERTY:
5230 textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsCut, value.Get<unsigned int>() );
5233 case Toolkit::TextInput::COPY_BUTTON_POSITION_PRIORITY_PROPERTY:
5235 textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsCopy, value.Get<unsigned int>() );
5238 case Toolkit::TextInput::PASTE_BUTTON_POSITION_PRIORITY_PROPERTY:
5240 textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsPaste, value.Get<unsigned int>() );
5243 case Toolkit::TextInput::SELECT_BUTTON_POSITION_PRIORITY_PROPERTY:
5245 textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsSelect, value.Get<unsigned int>() );
5248 case Toolkit::TextInput::SELECT_ALL_BUTTON_POSITION_PRIORITY_PROPERTY:
5250 textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsSelectAll, value.Get<unsigned int>() );
5253 case Toolkit::TextInput::CLIPBOARD_BUTTON_POSITION_PRIORITY_PROPERTY:
5255 textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsClipboard, value.Get<unsigned int>() );
5258 case Toolkit::TextInput::POP_UP_OFFSET_FROM_TEXT_PROPERTY:
5260 textInputImpl.SetOffsetFromText( value.Get< Vector4 >() );
5263 case Toolkit::TextInput::CURSOR_COLOR_PROPERTY:
5265 textInputImpl.mCursor.SetColor( value.Get< Vector4 >() );
5271 Property::Value TextInput::GetProperty( BaseObject* object, Property::Index propertyIndex )
5273 Property::Value value;
5275 Toolkit::TextInput textInput = Toolkit::TextInput::DownCast( Dali::BaseHandle( object ) );
5279 TextInput& textInputImpl( GetImpl( textInput ) );
5281 switch ( propertyIndex )
5283 case Toolkit::TextInput::HIGHLIGHT_COLOR_PROPERTY:
5285 value = textInputImpl.GetMaterialDiffuseColor();
5288 case Toolkit::TextInput::CUT_AND_PASTE_COLOR_PROPERTY:
5290 value = textInputImpl.mPopupPanel.GetCutPastePopupColor();
5293 case Toolkit::TextInput::CUT_AND_PASTE_PRESSED_COLOR_PROPERTY:
5295 value = textInputImpl.mPopupPanel.GetCutPastePopupPressedColor();
5298 case Toolkit::TextInput::CUT_AND_PASTE_BORDER_COLOR_PROPERTY :
5300 value = textInputImpl.mPopupPanel.GetCutPastePopupBorderColor();
5303 case Toolkit::TextInput::CUT_AND_PASTE_ICON_COLOR_PROPERTY:
5305 value = textInputImpl.mPopupPanel.GetCutPastePopupIconColor();
5308 case Toolkit::TextInput::CUT_AND_PASTE_ICON_PRESSED_COLOR_PROPERTY:
5310 value = textInputImpl.mPopupPanel.GetCutPastePopupIconPressedColor();
5313 case Toolkit::TextInput::CUT_AND_PASTE_TEXT_COLOR_PROPERTY:
5315 value = textInputImpl.mPopupPanel.GetCutPastePopupTextColor();
5318 case Toolkit::TextInput::CUT_AND_PASTE_TEXT_PRESSED_COLOR_PROPERTY:
5320 value = textInputImpl.mPopupPanel.GetCutPastePopupTextPressedColor();
5323 case Toolkit::TextInput::CUT_BUTTON_POSITION_PRIORITY_PROPERTY:
5325 value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsCut );
5328 case Toolkit::TextInput::COPY_BUTTON_POSITION_PRIORITY_PROPERTY:
5330 value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsCopy );
5333 case Toolkit::TextInput::PASTE_BUTTON_POSITION_PRIORITY_PROPERTY:
5335 value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsPaste );
5338 case Toolkit::TextInput::SELECT_BUTTON_POSITION_PRIORITY_PROPERTY:
5340 value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsSelect );
5343 case Toolkit::TextInput::SELECT_ALL_BUTTON_POSITION_PRIORITY_PROPERTY:
5345 value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsSelectAll );
5348 case Toolkit::TextInput::CLIPBOARD_BUTTON_POSITION_PRIORITY_PROPERTY:
5350 value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsClipboard );
5353 case Toolkit::TextInput::POP_UP_OFFSET_FROM_TEXT_PROPERTY:
5355 value = textInputImpl.GetOffsetFromText();
5358 case Toolkit::TextInput::CURSOR_COLOR_PROPERTY:
5360 value = textInputImpl.mCursor.GetCurrentColor();
5367 void TextInput::EmitStyleChangedSignal()
5369 // emit signal if input style changes.
5370 Toolkit::TextInput handle( GetOwner() );
5371 mStyleChangedSignalV2.Emit( handle, mInputStyle );
5374 void TextInput::EmitTextModified()
5376 // emit signal when text changes.
5377 Toolkit::TextInput handle( GetOwner() );
5378 mTextModifiedSignal.Emit( handle );
5382 void TextInput::EmitMaxInputCharactersReachedSignal()
5384 // emit signal if max characters is reached during text input.
5385 DALI_LOG_INFO(gLogFilter, Debug::General, "EmitMaxInputCharactersReachedSignal \n");
5387 Toolkit::TextInput handle( GetOwner() );
5388 mMaxInputCharactersReachedSignalV2.Emit( handle );
5391 void TextInput::EmitInputTextExceedsBoundariesSignal()
5393 // Emit a signal when the input text exceeds the boundaries of the text input.
5395 Toolkit::TextInput handle( GetOwner() );
5396 mInputTextExceedBoundariesSignalV2.Emit( handle );
5399 } // namespace Internal
5401 } // namespace Toolkit