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();
2642 const TextStyle oldInputStyle( mInputStyle );
2644 mInputStyle = GetStyleAtCursor(); // Inherit style from cursor position
2646 if( oldInputStyle != mInputStyle )
2648 // Updates the line height accordingly with the input style.
2651 EmitStyleChangedSignal();
2657 void TextInput::DeleteRange( const std::size_t start, const std::size_t ncharacters )
2659 DALI_ASSERT_DEBUG( start <= mStyledText.size() );
2660 DALI_ASSERT_DEBUG( !mStyledText.empty() );
2662 DALI_LOG_INFO(gLogFilter, Debug::General, ">>DeleteRange pre mStyledText[%s] mPreEditFlag[%s] \n", GetText().c_str(), (mPreEditFlag)?"true":"false");
2665 if ( ( !mStyledText.empty()) && ( ( start + ncharacters ) <= mStyledText.size() ) )
2667 MarkupProcessor::StyledTextArray::iterator itStart = mStyledText.begin() + start;
2668 MarkupProcessor::StyledTextArray::iterator itEnd = mStyledText.begin() + start + ncharacters;
2670 mStyledText.erase(itStart, itEnd);
2672 // update the selection handles if they are visible.
2673 if( mHighlightMeshActor )
2675 std::size_t& minHandle = ( mSelectionHandleOnePosition <= mSelectionHandleTwoPosition ? mSelectionHandleOnePosition : mSelectionHandleTwoPosition );
2676 std::size_t& maxHandle = ( mSelectionHandleTwoPosition > mSelectionHandleOnePosition ? mSelectionHandleTwoPosition : mSelectionHandleOnePosition );
2678 if( minHandle >= start + ncharacters )
2680 minHandle -= ncharacters;
2682 else if( ( minHandle > start ) && ( minHandle < start + ncharacters ) )
2687 if( maxHandle >= start + ncharacters )
2689 maxHandle -= ncharacters;
2691 else if( ( maxHandle > start ) && ( maxHandle < start + ncharacters ) )
2697 // 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.
2700 DALI_LOG_INFO(gLogFilter, Debug::General, "DeleteRange<< post mStyledText[%s] mPreEditFlag[%s] \n", GetText().c_str(), (mPreEditFlag)?"true":"false");
2702 // Although mStyledText has been set to a new text string we no longer re-draw the text or notify the cursor change.
2703 // This is a performance decision as the use of this function often means the text is being replaced or just deleted.
2704 // Mean we do not re-draw the text more than we have too.
2707 /* Delete character at current cursor position and redisplay*/
2708 void TextInput::DeleteCharacter( std::size_t positionToDelete )
2710 // Ensure positionToDelete is not out of bounds.
2711 DALI_ASSERT_DEBUG( positionToDelete <= mStyledText.size() );
2712 DALI_ASSERT_DEBUG( !mStyledText.empty() );
2713 DALI_ASSERT_DEBUG( positionToDelete > 0 );
2715 DALI_LOG_INFO(gLogFilter, Debug::General, "DeleteCharacter positionToDelete[%u]", positionToDelete );
2718 if ( ( !mStyledText.empty()) && ( positionToDelete > 0 ) && positionToDelete <= mStyledText.size() ) // don't try to delete if no characters left of cursor
2720 MarkupProcessor::StyledTextArray::iterator it = mStyledText.begin() + positionToDelete - 1;
2722 // Get the styled text of the character to be deleted as it may be needed if
2723 // the "exceed the text-input's boundaries" option is disabled.
2724 const MarkupProcessor::StyledText styledCharacterToDelete( *it );
2726 mStyledText.erase(it); // erase the character left of positionToDelete
2728 if( mStyledText.empty() )
2730 // Styled text is empty, so set the placeholder text.
2731 mDisplayedTextView.SetText( mStyledPlaceHolderText );
2732 mPlaceHolderSet = true;
2736 mDisplayedTextView.RemoveTextFrom( positionToDelete - 1, 1 );
2738 const Character characterToDelete = styledCharacterToDelete.mText[0];
2740 // It may happen than after removing a white space or a new line character,
2741 // two words merge, this new word could be big enough to not fit in its
2742 // current line, so moved to the next one, and make some part of the text to
2743 // exceed the text-input's boundary.
2744 if( !mExceedEnabled )
2746 if( characterToDelete.IsWhiteSpace() || characterToDelete.IsNewLine() )
2748 // Get the new text layout after removing one character.
2749 mDisplayedTextView.GetTextLayoutInfo( mTextLayoutInfo );
2751 // Get text-input's size.
2752 const Vector3& size = GetControlSize();
2754 if( ( mTextLayoutInfo.mTextSize.width > size.width ) ||
2755 ( mTextLayoutInfo.mTextSize.height > size.height ) )
2757 MarkupProcessor::StyledTextArray array;
2758 array.push_back( styledCharacterToDelete );
2759 mDisplayedTextView.InsertTextAt( positionToDelete - 1, array );
2761 mStyledText.insert( mStyledText.begin() + ( positionToDelete - 1 ), styledCharacterToDelete );
2766 GetTextLayoutInfo();
2768 ShowGrabHandleAndSetVisibility( false );
2770 mCursorPosition = positionToDelete -1;
2772 const TextStyle oldInputStyle( mInputStyle );
2774 mInputStyle = GetStyleAtCursor(); // Inherit style from cursor position
2776 if( oldInputStyle != mInputStyle )
2778 // Updates the line height accordingly with the input style.
2781 EmitStyleChangedSignal();
2786 /*Insert new character into the string and (optionally) redisplay text-input*/
2787 std::size_t TextInput::InsertAt( const Text& newText, const std::size_t insertionPosition, const std::size_t numberOfCharactersToReplace )
2789 DALI_LOG_INFO(gLogFilter, Debug::General, "InsertAt insertionPosition[%u]\n", insertionPosition );
2791 // Ensure insertionPosition is not out of bounds.
2792 DALI_ASSERT_ALWAYS( insertionPosition <= mStyledText.size() );
2794 bool textExceedsMaximunNumberOfCharacters = false;
2795 bool textExceedsBoundary = false;
2796 std::size_t insertedStringLength = DoInsertAt( newText, insertionPosition, numberOfCharactersToReplace, textExceedsMaximunNumberOfCharacters, textExceedsBoundary );
2798 ShowGrabHandleAndSetVisibility( false );
2800 if( textExceedsMaximunNumberOfCharacters || textExceedsBoundary )
2804 mIgnoreCommitFlag = true;
2805 mPreEditFlag = false;
2806 // A PreEditReset( false ) should be triggered from here if the keyboards predictive suggestions must be cleared.
2807 // Although can not directly call PreEditReset() as it will cause a recursive emit loop.
2810 if( textExceedsMaximunNumberOfCharacters )
2812 EmitMaxInputCharactersReachedSignal();
2815 if( textExceedsBoundary )
2817 EmitInputTextExceedsBoundariesSignal();
2818 PreEditReset( false );
2822 return insertedStringLength;
2825 ImageActor TextInput::CreateCursor( const Vector4& color)
2828 cursor = CreateSolidColorActor(color);
2830 cursor.SetParentOrigin(ParentOrigin::TOP_LEFT);
2831 cursor.SetAnchorPoint(AnchorPoint::BOTTOM_CENTER);
2832 cursor.SetVisible(false);
2837 void TextInput::AdvanceCursor(bool reverse, std::size_t places)
2839 // As cursor is not moving due to grab handle, handle should be hidden.
2840 ShowGrabHandleAndSetVisibility( false );
2842 bool cursorPositionChanged = false;
2845 if ( mCursorPosition >= places )
2847 mCursorPosition = mCursorPosition - places;
2848 cursorPositionChanged = true;
2853 if ((mCursorPosition + places) <= mStyledText.size())
2855 mCursorPosition = mCursorPosition + places;
2856 cursorPositionChanged = true;
2860 if( cursorPositionChanged )
2862 const std::size_t cursorPositionForStyle = ( 0 == mCursorPosition ? 0 : mCursorPosition - 1 );
2864 const TextStyle oldInputStyle( mInputStyle );
2865 mInputStyle = GetStyleAt( cursorPositionForStyle ); // Inherit style from selected position.
2869 if( oldInputStyle != mInputStyle )
2871 // Updates the line height accordingly with the input style.
2874 EmitStyleChangedSignal();
2877 ImfManager imfManager = ImfManager::Get();
2880 imfManager.SetCursorPosition ( mCursorPosition );
2881 imfManager.NotifyCursorPosition();
2886 void TextInput::DrawCursor(const std::size_t nthChar)
2888 // Get height of cursor and set its size
2889 Size size( CURSOR_THICKNESS, 0.0f );
2890 if (!mTextLayoutInfo.mCharacterLayoutInfoTable.empty())
2892 size.height = GetRowRectFromCharacterPosition( GetVisualPosition( mCursorPosition ) ).height;
2896 // Measure Font so know how big text will be if no initial text to measure.
2897 size.height = mLineHeight;
2900 mCursor.SetSize(size);
2902 // If the character is italic then the cursor also tilts.
2903 mCursor.SetRotation( mInputStyle.IsItalicsEnabled() ? Degree( mInputStyle.GetItalicsAngle() - CURSOR_ANGLE_OFFSET ) : Degree( 0.f ), Vector3::ZAXIS );
2905 DALI_ASSERT_DEBUG( mCursorPosition <= mTextLayoutInfo.mCharacterLayoutInfoTable.size() );
2907 if ( ( mCursorPosition <= mTextLayoutInfo.mCharacterLayoutInfoTable.size() ) )
2909 Vector3 altPosition; // Alternate (i.e. opposite direction) cursor position.
2910 bool altPositionValid; // Alternate cursor validity flag.
2911 bool directionRTL; // Need to know direction of primary cursor (in case we have 2 cursors and need to show them differently)
2912 Vector3 position = GetActualPositionFromCharacterPosition( mCursorPosition, directionRTL, altPosition, altPositionValid );
2914 SetAltCursorEnabled( altPositionValid );
2916 if(!altPositionValid)
2918 mCursor.SetPosition( position + UI_OFFSET );
2922 size.height *= 0.5f;
2923 mCursor.SetSize(size);
2924 mCursor.SetPosition( position + UI_OFFSET - Vector3(0.0f, directionRTL ? 0.0f : size.height, 0.0f) );
2926 // TODO: change this cursor pos, to be the one where the cursor is sourced from.
2927 Size rowSize = GetRowRectFromCharacterPosition( GetVisualPosition( mCursorPosition ) );
2928 size.height = rowSize.height * 0.5f;
2929 mCursorRTL.SetSize(size);
2930 mCursorRTL.SetPosition( altPosition + UI_OFFSET - Vector3(0.0f, directionRTL ? size.height : 0.0f, 0.0f) );
2933 if( IsScrollEnabled() )
2935 // Whether cursor and grab handle are inside the boundaries of the text-input when text scroll is enabled.
2936 mIsCursorInScrollArea = mIsGrabHandleInScrollArea = IsPositionInsideBoundaries( position, size, GetControlSize() );
2941 void TextInput::SetAltCursorEnabled( bool enabled )
2943 mCursorRTLEnabled = enabled;
2944 mCursorRTL.SetVisible( mCursorVisibility && mCursorRTLEnabled );
2947 void TextInput::SetCursorVisibility( bool visible )
2949 mCursorVisibility = visible;
2950 mCursor.SetVisible( mCursorVisibility && mIsCursorInScrollArea );
2951 mCursorRTL.SetVisible( mCursorVisibility && mCursorRTLEnabled );
2954 void TextInput::CreateGrabHandle( Dali::Image image )
2960 mGrabHandleImage = Image::New(DEFAULT_GRAB_HANDLE);
2964 mGrabHandleImage = image;
2967 mGrabHandle = ImageActor::New(mGrabHandleImage);
2968 mGrabHandle.SetParentOrigin(ParentOrigin::TOP_LEFT);
2969 mGrabHandle.SetAnchorPoint(AnchorPoint::TOP_CENTER);
2971 mGrabHandle.SetDrawMode(DrawMode::OVERLAY);
2973 ShowGrabHandleAndSetVisibility( false );
2975 CreateGrabArea( mGrabHandle );
2977 mActiveLayer.Add(mGrabHandle);
2981 void TextInput::CreateGrabArea( Actor& parent )
2983 mGrabArea = Actor::New(); // Area that Grab handle responds to, larger than actual handle so easier to move
2984 mGrabArea.SetPositionInheritanceMode( Dali::USE_PARENT_POSITION );
2985 mGrabArea.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), RelativeToConstraint( DEFAULT_GRAB_HANDLE_RELATIVE_SIZE ) ) ); // grab area to be larger than text actor
2986 mGrabArea.TouchedSignal().Connect(this,&TextInput::OnPressDown);
2987 mTapDetector.Attach( mGrabArea );
2988 mPanGestureDetector.Attach( mGrabArea );
2990 parent.Add(mGrabArea);
2993 Vector3 TextInput::MoveGrabHandle( const Vector2& displacement )
2995 Vector3 actualHandlePosition;
2999 mActualGrabHandlePosition.x += displacement.x;
3000 mActualGrabHandlePosition.y += displacement.y;
3002 // Grab handle should jump to the nearest character and take cursor with it
3003 std::size_t newCursorPosition = 0;
3004 ReturnClosestIndex( mActualGrabHandlePosition.GetVectorXY(), newCursorPosition );
3006 actualHandlePosition = GetActualPositionFromCharacterPosition( newCursorPosition );
3008 bool handleVisible = true;
3010 if( IsScrollEnabled() )
3012 const Vector3 controlSize = GetControlSize();
3013 const Size cursorSize = GetRowRectFromCharacterPosition( GetVisualPosition( newCursorPosition ) );
3014 // Scrolls the text if the handle is not in a visible position
3015 handleVisible = IsPositionInsideBoundaries( actualHandlePosition,
3022 mCurrentHandlePosition = actualHandlePosition;
3023 mScrollDisplacement = Vector2::ZERO;
3027 if( ( actualHandlePosition.x < SCROLL_THRESHOLD ) && ( displacement.x <= 0.f ) )
3029 mScrollDisplacement.x = -SCROLL_SPEED;
3031 else if( ( actualHandlePosition.x > controlSize.width - SCROLL_THRESHOLD ) && ( displacement.x >= 0.f ) )
3033 mScrollDisplacement.x = SCROLL_SPEED;
3035 if( ( actualHandlePosition.y < SCROLL_THRESHOLD ) && ( displacement.y <= 0.f ) )
3037 mScrollDisplacement.y = -SCROLL_SPEED;
3039 else if( ( actualHandlePosition.y > controlSize.height - SCROLL_THRESHOLD ) && ( displacement.y >= 0.f ) )
3041 mScrollDisplacement.y = SCROLL_SPEED;
3047 if( handleVisible && // Only redraw cursor and do updates if position changed
3048 ( newCursorPosition != mCursorPosition ) ) // and the new position is visible (if scroll is not enabled, it's always true).
3050 mCursorPosition = newCursorPosition;
3052 mGrabHandle.SetPosition( actualHandlePosition + UI_OFFSET );
3054 const TextStyle oldInputStyle( mInputStyle );
3056 mInputStyle = GetStyleAtCursor(); //Inherit style from cursor position
3058 CursorUpdate(); // Let keyboard know the new cursor position so can 're-capture' for prediction.
3060 if( oldInputStyle != mInputStyle )
3062 // Updates the line height accordingly with the input style.
3065 EmitStyleChangedSignal();
3070 return actualHandlePosition;
3073 void TextInput::ShowGrabHandle( bool visible )
3075 if ( IsGrabHandleEnabled() )
3079 mGrabHandle.SetVisible( mGrabHandleVisibility );
3081 StartMonitoringStageForTouch();
3085 void TextInput::ShowGrabHandleAndSetVisibility( bool visible )
3087 mGrabHandleVisibility = visible;
3088 ShowGrabHandle( visible );
3091 // Callbacks connected to be Property notifications for Boundary checking.
3093 void TextInput::OnLeftBoundaryExceeded(PropertyNotification& source)
3095 mIsSelectionHandleOneFlipped = true;
3096 mSelectionHandleOne.SetScale( -1.0f, 1.0f, 1.0f );
3097 mSelectionHandleOne.SetAnchorPoint( AnchorPoint::TOP_LEFT);
3100 void TextInput::OnReturnToLeftBoundary(PropertyNotification& source)
3102 mIsSelectionHandleOneFlipped = false;
3103 mSelectionHandleOne.SetScale( 1.0f, 1.0f, 1.0f );
3104 mSelectionHandleOne.SetAnchorPoint( AnchorPoint::TOP_RIGHT);
3107 void TextInput::OnRightBoundaryExceeded(PropertyNotification& source)
3109 mIsSelectionHandleTwoFlipped = true;
3110 mSelectionHandleTwo.SetScale( -1.0f, 1.0f, 1.0f );
3111 mSelectionHandleTwo.SetAnchorPoint( AnchorPoint::TOP_RIGHT);
3114 void TextInput::OnReturnToRightBoundary(PropertyNotification& source)
3116 mIsSelectionHandleTwoFlipped = false;
3117 mSelectionHandleTwo.SetScale( 1.0f, 1.0f, 1.0f );
3118 mSelectionHandleTwo.SetAnchorPoint( AnchorPoint::TOP_LEFT);
3121 // todo change PropertyNotification signal definition to include Actor. Hence won't need duplicate functions.
3122 void TextInput::OnHandleOneLeavesBoundary( PropertyNotification& source)
3124 mSelectionHandleOne.SetOpacity(0.0f);
3127 void TextInput::OnHandleOneWithinBoundary(PropertyNotification& source)
3129 mSelectionHandleOne.SetOpacity(1.0f);
3132 void TextInput::OnHandleTwoLeavesBoundary( PropertyNotification& source)
3134 mSelectionHandleTwo.SetOpacity(0.0f);
3137 void TextInput::OnHandleTwoWithinBoundary(PropertyNotification& source)
3139 mSelectionHandleTwo.SetOpacity(1.0f);
3142 // End of Callbacks connected to be Property notifications for Boundary checking.
3144 void TextInput::SetUpHandlePropertyNotifications()
3146 /* Property notifications for handles exceeding the boundary and returning back within boundary */
3148 Vector3 handlesize = GetSelectionHandleSize();
3150 // Exceeding horizontal boundary
3151 PropertyNotification leftNotification = mSelectionHandleOne.AddPropertyNotification( Actor::WORLD_POSITION_X, LessThanCondition( mBoundingRectangleWorldCoordinates.x + handlesize.x) );
3152 leftNotification.NotifySignal().Connect( this, &TextInput::OnLeftBoundaryExceeded );
3154 PropertyNotification rightNotification = mSelectionHandleTwo.AddPropertyNotification( Actor::WORLD_POSITION_X, GreaterThanCondition( mBoundingRectangleWorldCoordinates.z - handlesize.x ) );
3155 rightNotification.NotifySignal().Connect( this, &TextInput::OnRightBoundaryExceeded );
3157 // Within horizontal boundary
3158 PropertyNotification leftLeaveNotification = mSelectionHandleOne.AddPropertyNotification( Actor::WORLD_POSITION_X, GreaterThanCondition( mBoundingRectangleWorldCoordinates.x + 2*handlesize.x ) );
3159 leftLeaveNotification.NotifySignal().Connect( this, &TextInput::OnReturnToLeftBoundary );
3161 PropertyNotification rightLeaveNotification = mSelectionHandleTwo.AddPropertyNotification( Actor::WORLD_POSITION_X, LessThanCondition( mBoundingRectangleWorldCoordinates.z - 2*handlesize.x ) );
3162 rightLeaveNotification.NotifySignal().Connect( this, &TextInput::OnReturnToRightBoundary );
3164 // Exceeding vertical boundary
3165 PropertyNotification verticalExceedNotificationOne = mSelectionHandleOne.AddPropertyNotification( Actor::WORLD_POSITION_Y,
3166 OutsideCondition( mBoundingRectangleWorldCoordinates.y + handlesize.y,
3167 mBoundingRectangleWorldCoordinates.w - handlesize.y ) );
3168 verticalExceedNotificationOne.NotifySignal().Connect( this, &TextInput::OnHandleOneLeavesBoundary );
3170 PropertyNotification verticalExceedNotificationTwo = mSelectionHandleTwo.AddPropertyNotification( Actor::WORLD_POSITION_Y,
3171 OutsideCondition( mBoundingRectangleWorldCoordinates.y + handlesize.y,
3172 mBoundingRectangleWorldCoordinates.w - handlesize.y ) );
3173 verticalExceedNotificationTwo.NotifySignal().Connect( this, &TextInput::OnHandleTwoLeavesBoundary );
3175 // Within vertical boundary
3176 PropertyNotification verticalWithinNotificationOne = mSelectionHandleOne.AddPropertyNotification( Actor::WORLD_POSITION_Y,
3177 InsideCondition( mBoundingRectangleWorldCoordinates.y + handlesize.y,
3178 mBoundingRectangleWorldCoordinates.w - handlesize.y ) );
3179 verticalWithinNotificationOne.NotifySignal().Connect( this, &TextInput::OnHandleOneWithinBoundary );
3181 PropertyNotification verticalWithinNotificationTwo = mSelectionHandleTwo.AddPropertyNotification( Actor::WORLD_POSITION_Y,
3182 InsideCondition( mBoundingRectangleWorldCoordinates.y + handlesize.y,
3183 mBoundingRectangleWorldCoordinates.w - handlesize.y ) );
3184 verticalWithinNotificationTwo.NotifySignal().Connect( this, &TextInput::OnHandleTwoWithinBoundary );
3187 void TextInput::CreateSelectionHandles( std::size_t start, std::size_t end, Dali::Image handleOneImage, Dali::Image handleTwoImage )
3189 mSelectionHandleOnePosition = start;
3190 mSelectionHandleTwoPosition = end;
3192 if ( !mSelectionHandleOne )
3194 // create normal and pressed images
3195 mSelectionHandleOneImage = Image::New( DEFAULT_SELECTION_HANDLE_ONE );
3196 mSelectionHandleOneImagePressed = Image::New( DEFAULT_SELECTION_HANDLE_ONE_PRESSED );
3198 mSelectionHandleOne = ImageActor::New( mSelectionHandleOneImage );
3199 mSelectionHandleOne.SetName("SelectionHandleOne");
3200 mSelectionHandleOne.SetParentOrigin( ParentOrigin::TOP_LEFT );
3201 mSelectionHandleOne.SetAnchorPoint( AnchorPoint::TOP_RIGHT ); // Change to BOTTOM_RIGHT if Look'n'Feel requires handle above text.
3202 mIsSelectionHandleOneFlipped = false;
3203 mSelectionHandleOne.SetDrawMode( DrawMode::OVERLAY ); // ensure grab handle above text
3205 mHandleOneGrabArea = Actor::New(); // Area that Grab handle responds to, larger than actual handle so easier to move
3206 mHandleOneGrabArea.SetName("SelectionHandleOneGrabArea");
3208 mHandleOneGrabArea.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), RelativeToConstraint( DEFAULT_SELECTION_HANDLE_RELATIVE_SIZE ) ) ); // grab area to be larger than text actor
3209 mHandleOneGrabArea.SetPositionInheritanceMode( Dali::USE_PARENT_POSITION );
3211 mTapDetector.Attach( mHandleOneGrabArea );
3212 mPanGestureDetector.Attach( mHandleOneGrabArea );
3214 mHandleOneGrabArea.TouchedSignal().Connect(this,&TextInput::OnHandleOneTouched);
3216 mSelectionHandleOne.Add( mHandleOneGrabArea );
3217 mActiveLayer.Add( mSelectionHandleOne );
3220 if ( !mSelectionHandleTwo )
3222 // create normal and pressed images
3223 mSelectionHandleTwoImage = Image::New( DEFAULT_SELECTION_HANDLE_TWO );
3224 mSelectionHandleTwoImagePressed = Image::New( DEFAULT_SELECTION_HANDLE_TWO_PRESSED );
3226 mSelectionHandleTwo = ImageActor::New( mSelectionHandleTwoImage );
3227 mSelectionHandleTwo.SetName("SelectionHandleTwo");
3228 mSelectionHandleTwo.SetParentOrigin( ParentOrigin::TOP_LEFT );
3229 mSelectionHandleTwo.SetAnchorPoint( AnchorPoint::TOP_LEFT );
3230 mIsSelectionHandleTwoFlipped = false;
3231 mSelectionHandleTwo.SetDrawMode(DrawMode::OVERLAY); // ensure grab handle above text
3233 mHandleTwoGrabArea = Actor::New(); // Area that Grab handle responds to, larger than actual handle so easier to move
3234 mHandleTwoGrabArea.SetName("SelectionHandleTwoGrabArea");
3235 mHandleTwoGrabArea.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), RelativeToConstraint( DEFAULT_SELECTION_HANDLE_RELATIVE_SIZE ) ) ); // grab area to be larger than text actor
3236 mHandleTwoGrabArea.SetPositionInheritanceMode( Dali::USE_PARENT_POSITION );
3238 mTapDetector.Attach( mHandleTwoGrabArea );
3239 mPanGestureDetector.Attach( mHandleTwoGrabArea );
3241 mHandleTwoGrabArea.TouchedSignal().Connect(this, &TextInput::OnHandleTwoTouched);
3243 mSelectionHandleTwo.Add( mHandleTwoGrabArea );
3245 mActiveLayer.Add( mSelectionHandleTwo );
3248 SetUpHandlePropertyNotifications();
3250 // update table as text may have changed.
3251 GetTextLayoutInfo();
3253 mSelectionHandleOneActualPosition = GetActualPositionFromCharacterPosition( mSelectionHandleOnePosition );
3254 mSelectionHandleTwoActualPosition = GetActualPositionFromCharacterPosition( mSelectionHandleTwoPosition );
3256 mSelectionHandleOne.SetPosition( mSelectionHandleOneActualPosition + UI_OFFSET + mSelectionHandleOneOffset );
3257 mSelectionHandleTwo.SetPosition( mSelectionHandleTwoActualPosition + UI_OFFSET + mSelectionHandleTwoOffset );
3259 // Calculates and set the visibility if the scroll mode is enabled.
3260 bool isSelectionHandleOneVisible = true;
3261 bool isSelectionHandleTwoVisible = true;
3262 if( IsScrollEnabled() )
3264 const Vector3& controlSize( GetControlSize() );
3265 isSelectionHandleOneVisible = IsPositionInsideBoundaries( mSelectionHandleOneActualPosition, Size::ZERO, controlSize );
3266 isSelectionHandleTwoVisible = IsPositionInsideBoundaries( mSelectionHandleTwoActualPosition, Size::ZERO, controlSize );
3267 mSelectionHandleOne.SetVisible( isSelectionHandleOneVisible );
3268 mSelectionHandleTwo.SetVisible( isSelectionHandleTwoVisible );
3271 CreateHighlight(); // function will only create highlight if not already created.
3274 Vector3 TextInput::MoveSelectionHandle( SelectionHandleId handleId, const Vector2& displacement )
3276 Vector3 actualHandlePosition;
3278 if ( mSelectionHandleOne && mSelectionHandleTwo )
3280 const Vector3& controlSize = GetControlSize();
3282 Size cursorSize( CURSOR_THICKNESS, 0.f );
3284 // Get a reference of the wanted selection handle (handle one or two).
3285 Vector3& actualSelectionHandlePosition = ( handleId == HandleOne ) ? mSelectionHandleOneActualPosition : mSelectionHandleTwoActualPosition;
3287 // Get a reference for the current position of the handle and a copy of its pair
3288 std::size_t& currentSelectionHandlePosition = ( handleId == HandleOne ) ? mSelectionHandleOnePosition : mSelectionHandleTwoPosition;
3289 const std::size_t pairSelectionHandlePosition = ( handleId == HandleOne ) ? mSelectionHandleTwoPosition : mSelectionHandleOnePosition;
3291 // Get a handle of the selection handle actor
3292 ImageActor selectionHandleActor = ( handleId == HandleOne ) ? mSelectionHandleOne : mSelectionHandleTwo;
3294 // Selection handles should jump to the nearest character
3295 std::size_t newHandlePosition = 0;
3296 ReturnClosestIndex( actualSelectionHandlePosition.GetVectorXY(), newHandlePosition );
3298 actualHandlePosition = GetActualPositionFromCharacterPosition( newHandlePosition );
3300 bool handleVisible = true;
3302 if( IsScrollEnabled() )
3304 mCurrentSelectionId = handleId;
3306 cursorSize.height = GetRowRectFromCharacterPosition( GetVisualPosition( newHandlePosition ) ).height;
3307 // Restricts the movement of the grab handle inside the boundaries of the text-input.
3308 handleVisible = IsPositionInsideBoundaries( actualHandlePosition,
3315 mCurrentSelectionHandlePosition = actualHandlePosition;
3316 mScrollDisplacement = Vector2::ZERO;
3320 if( ( actualHandlePosition.x < SCROLL_THRESHOLD ) && ( displacement.x <= 0.f ) )
3322 mScrollDisplacement.x = -SCROLL_SPEED;
3324 else if( ( actualHandlePosition.x > controlSize.width - SCROLL_THRESHOLD ) && ( displacement.x >= 0.f ) )
3326 mScrollDisplacement.x = SCROLL_SPEED;
3328 if( ( actualHandlePosition.y < SCROLL_THRESHOLD ) && ( displacement.y <= 0.f ) )
3330 mScrollDisplacement.y = -SCROLL_SPEED;
3332 else if( ( actualHandlePosition.y > controlSize.height - SCROLL_THRESHOLD ) && ( displacement.y >= 0.f ) )
3334 mScrollDisplacement.y = SCROLL_SPEED;
3340 if ( handleVisible && // Ensure the handle is visible.
3341 ( newHandlePosition != pairSelectionHandlePosition ) && // Ensure handle one is not the same position as handle two.
3342 ( newHandlePosition != currentSelectionHandlePosition ) ) // Ensure the handle has moved.
3344 currentSelectionHandlePosition = newHandlePosition;
3346 Vector3 selectionHandleOffset = ( handleId == HandleOne ) ? mSelectionHandleOneOffset : mSelectionHandleTwoOffset;
3347 selectionHandleActor.SetPosition( actualHandlePosition + UI_OFFSET + selectionHandleOffset );
3351 if ( handleId == HandleOne )
3353 const TextStyle oldInputStyle( mInputStyle );
3355 // Set Active Style to that of first character in selection
3356 if( mSelectionHandleOnePosition < mStyledText.size() )
3358 mInputStyle = ( mStyledText.at( mSelectionHandleOnePosition ) ).mStyle;
3361 if( oldInputStyle != mInputStyle )
3363 // Updates the line height accordingly with the input style.
3366 EmitStyleChangedSignal();
3372 return actualHandlePosition; // Returns Handle position passed in if new value not assigned.
3375 void TextInput::SetSelectionHandlePosition(SelectionHandleId handleId)
3378 const std::size_t selectionHandlePosition = ( handleId == HandleOne ) ? mSelectionHandleOnePosition : mSelectionHandleTwoPosition;
3379 ImageActor selectionHandleActor = ( handleId == HandleOne ) ? mSelectionHandleOne : mSelectionHandleTwo;
3381 if ( selectionHandleActor )
3383 const Vector3 actualHandlePosition = GetActualPositionFromCharacterPosition( selectionHandlePosition );
3384 Vector3 selectionHandleOffset = ( handleId == HandleOne ) ? mSelectionHandleOneOffset : mSelectionHandleTwoOffset;
3385 selectionHandleActor.SetPosition( actualHandlePosition + UI_OFFSET + selectionHandleOffset );
3387 if( IsScrollEnabled() )
3389 const Size cursorSize( CURSOR_THICKNESS,
3390 GetRowRectFromCharacterPosition( GetVisualPosition( selectionHandlePosition ) ).height );
3391 selectionHandleActor.SetVisible( IsPositionInsideBoundaries( actualHandlePosition,
3393 GetControlSize() ) );
3398 std::size_t TextInput::GetVisualPosition(std::size_t logicalPosition) const
3400 // Note: we're allowing caller to request a logical position of size (i.e. end of string)
3401 // For now the visual position of end of logical string will be end of visual string.
3402 DALI_ASSERT_DEBUG( logicalPosition <= mTextLayoutInfo.mCharacterLogicalToVisualMap.size() );
3404 return logicalPosition != mTextLayoutInfo.mCharacterLogicalToVisualMap.size() ? mTextLayoutInfo.mCharacterLogicalToVisualMap[logicalPosition] : mTextLayoutInfo.mCharacterLogicalToVisualMap.size();
3407 void TextInput::GetVisualTextSelection(std::vector<bool>& selectedVisualText, std::size_t startSelection, std::size_t endSelection)
3409 std::vector<int>::iterator it = mTextLayoutInfo.mCharacterLogicalToVisualMap.begin();
3410 std::vector<int>::iterator startSelectionIt = mTextLayoutInfo.mCharacterLogicalToVisualMap.begin() + std::min(startSelection, endSelection);
3411 std::vector<int>::iterator endSelectionIt = mTextLayoutInfo.mCharacterLogicalToVisualMap.begin() + std::max(startSelection, endSelection);
3412 std::vector<int>::iterator end = mTextLayoutInfo.mCharacterLogicalToVisualMap.end();
3414 selectedVisualText.resize( mTextLayoutInfo.mCharacterLogicalToVisualMap.size() );
3416 // Deselect text prior to startSelectionIt
3417 for(;it!=startSelectionIt;++it)
3419 selectedVisualText[*it] = false;
3422 // Select text from startSelectionIt -> endSelectionIt
3423 for(;it!=endSelectionIt;++it)
3425 selectedVisualText[*it] = true;
3428 // Deselect text after endSelection
3431 selectedVisualText[*it] = false;
3434 selectedVisualText.resize( mTextLayoutInfo.mCharacterLogicalToVisualMap.size(), false );
3437 // Calculate the dimensions of the quads they will make the highlight mesh
3438 TextInput::HighlightInfo TextInput::CalculateHighlightInfo()
3440 // At the moment there is no public API to modify the block alignment option.
3441 const bool blockAlignEnabled = true;
3443 mNewHighlightInfo.mQuadList.clear(); // clear last quad information.
3445 if ( !mTextLayoutInfo.mCharacterLayoutInfoTable.empty() && !mTextLayoutInfo.mCharacterLogicalToVisualMap.empty() )
3447 Toolkit::TextView::CharacterLayoutInfoContainer::iterator it = mTextLayoutInfo.mCharacterLayoutInfoTable.begin();
3448 Toolkit::TextView::CharacterLayoutInfoContainer::iterator end = mTextLayoutInfo.mCharacterLayoutInfoTable.end();
3450 // Get vector of flags representing characters that are selected (true) vs unselected (false).
3451 std::vector<bool> selectedVisualText;
3452 GetVisualTextSelection(selectedVisualText, mSelectionHandleOnePosition, mSelectionHandleTwoPosition);
3453 std::vector<bool>::iterator selectedIt(selectedVisualText.begin());
3454 std::vector<bool>::iterator selectedEndIt(selectedVisualText.end());
3456 SelectionState selectionState = SelectionNone; ///< Current selection status of cursor over entire text.
3457 float rowLeft = 0.0f;
3458 float rowRight = 0.0f;
3459 // Keep track of the TextView's min/max extents. Should be able to query this from TextView.
3460 float maxRowLeft = std::numeric_limits<float>::max();
3461 float maxRowRight = 0.0f;
3463 Toolkit::TextView::CharacterLayoutInfoContainer::iterator lastIt = it;
3465 // Scan through entire text.
3468 // selectionState: None when not in selection, Started when in selection, and Ended when reached end of selection.
3470 Toolkit::TextView::CharacterLayoutInfo& charInfo(*it);
3471 bool charSelected( false );
3472 if( selectedIt != selectedEndIt )
3474 charSelected = *selectedIt++;
3477 if(selectionState == SelectionNone)
3481 selectionState = SelectionStarted;
3482 rowLeft = charInfo.mPosition.x - mTextLayoutInfo.mScrollOffset.x;
3483 rowRight = rowLeft + charInfo.mSize.width;
3486 else if(selectionState == SelectionStarted)
3488 // break selection on:
3489 // 1. new line causing selection break. (\n or wordwrap)
3490 // 2. character not selected.
3491 if(charInfo.mPosition.y - lastIt->mPosition.y > CHARACTER_THRESHOLD ||
3494 // finished selection.
3495 // TODO: TextView should have a table of visual rows, and each character a reference to the row
3496 // that it resides on. That way this enumeration is not necessary.
3498 if(lastIt->mIsNewLineChar)
3500 // 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.
3501 lastIt = std::max( mTextLayoutInfo.mCharacterLayoutInfoTable.begin(), lastIt - 1 );
3503 const Size rowSize( GetRowRectFromCharacterPosition( lastIt - mTextLayoutInfo.mCharacterLayoutInfoTable.begin(), min, max ) );
3504 maxRowLeft = std::min(maxRowLeft, min.x);
3505 maxRowRight = std::max(maxRowRight, max.x);
3506 float rowBottom = lastIt->mPosition.y - mTextLayoutInfo.mScrollOffset.y;
3507 float rowTop = rowBottom - rowSize.height;
3509 // Still selected, and block-align mode then set rowRight to max, so it can be clamped afterwards
3510 if(charSelected && blockAlignEnabled)
3512 rowRight = std::numeric_limits<float>::max();
3514 mNewHighlightInfo.AddQuad( rowLeft, rowTop, rowRight, rowBottom );
3516 selectionState = SelectionNone;
3518 // Still selected? start a new selection
3521 // if block-align mode then set rowLeft to min, so it can be clamped afterwards
3522 rowLeft = blockAlignEnabled ? 0.0f : charInfo.mPosition.x - mTextLayoutInfo.mScrollOffset.x;
3523 rowRight = ( charInfo.mPosition.x - mTextLayoutInfo.mScrollOffset.x ) + charInfo.mSize.width;
3524 selectionState = SelectionStarted;
3529 // build up highlight(s) with this selection data.
3530 rowLeft = std::min( charInfo.mPosition.x - mTextLayoutInfo.mScrollOffset.x, rowLeft );
3531 rowRight = std::max( ( charInfo.mPosition.x - mTextLayoutInfo.mScrollOffset.x ) + charInfo.mSize.width, rowRight );
3538 // If reached end, and still on selection, then close selection.
3541 if(selectionState == SelectionStarted)
3543 // finished selection.
3545 if(lastIt->mIsNewLineChar)
3547 lastIt = std::max( mTextLayoutInfo.mCharacterLayoutInfoTable.begin(), lastIt - 1 );
3549 const Size rowSize( GetRowRectFromCharacterPosition( lastIt - mTextLayoutInfo.mCharacterLayoutInfoTable.begin(), min, max ) );
3550 maxRowLeft = std::min(maxRowLeft, min.x);
3551 maxRowRight = std::max(maxRowRight, max.x);
3552 float rowBottom = lastIt->mPosition.y - mTextLayoutInfo.mScrollOffset.y;
3553 float rowTop = rowBottom - rowSize.height;
3554 mNewHighlightInfo.AddQuad( rowLeft, rowTop, rowRight, rowBottom );
3558 // Get the top left and bottom right corners.
3559 const Toolkit::TextView::CharacterLayoutInfo& firstCharacter( *mTextLayoutInfo.mCharacterLayoutInfoTable.begin() );
3560 const Vector2 topLeft( maxRowLeft, firstCharacter.mPosition.y - firstCharacter.mSize.height );
3561 const Vector2 bottomRight( topLeft.x + mTextLayoutInfo.mTextSize.width, topLeft.y + mTextLayoutInfo.mTextSize.height );
3563 // Clamp quads so they appear to clip to borders of the whole text.
3564 mNewHighlightInfo.Clamp2D( topLeft, bottomRight );
3566 // For block-align align Further Clamp quads to max left and right extents
3567 if(blockAlignEnabled)
3569 // BlockAlign: Will adjust highlight to block:
3571 // H[ello] (top row right = max of all rows right)
3572 // [--this-] (middle rows' left = min of all rows left, middle rows' right = max of all rows right)
3573 // [is some] (middle rows' left = min of all rows left, middle rows' right = max of all rows right)
3574 // [text] (bottom row left = min of all rows left)
3575 // (common in SMS messaging selection)
3577 // As opposed to the default which is tight text highlighting.
3582 // (common in regular text editors/web browser selection)
3584 mNewHighlightInfo.Clamp2D( Vector2(maxRowLeft, topLeft.y), Vector2(maxRowRight, bottomRight.y ) );
3587 // Finally clamp quads again so they don't exceed the boundry of the control.
3588 const Vector3& controlSize = GetControlSize();
3589 mNewHighlightInfo.Clamp2D( Vector2::ZERO, Vector2(controlSize.x, controlSize.y) );
3592 return mNewHighlightInfo;
3595 void TextInput::UpdateHighlight()
3597 // Construct a Mesh with a texture to be used as the highlight 'box' for selected text
3599 // Example scenarios where mesh is made from 3, 1, 2, 2 ,3 or 3 quads.
3601 // [ TOP ] [ TOP ] [TOP ] [ TOP ] [ TOP ] [ TOP ]
3602 // [ MIDDLE ] [BOTTOM] [BOTTOM] [ MIDDLE ] [ MIDDLE ]
3603 // [ BOTTOM] [ MIDDLE ] [ MIDDLE ]
3604 // [BOTTOM] [ MIDDLE ]
3607 // Each quad is created as 2 triangles.
3608 // Middle is just 1 quad regardless of its size.
3622 if ( mHighlightMeshActor )
3624 // vertex and triangle buffers should always be present if MeshActor is alive.
3625 HighlightInfo newHighlightInfo = CalculateHighlightInfo();
3626 MeshData::VertexContainer vertices;
3627 Dali::MeshData::FaceIndices faceIndices;
3629 if( !newHighlightInfo.mQuadList.empty() )
3631 std::vector<QuadCoordinates>::iterator iter = newHighlightInfo.mQuadList.begin();
3632 std::vector<QuadCoordinates>::iterator endIter = newHighlightInfo.mQuadList.end();
3634 // vertex position defaults to (0 0 0)
3635 MeshData::Vertex vertex;
3636 // set normal for all vertices as (0 0 1) pointing outward from TextInput Actor.
3639 for(std::size_t v = 0; iter != endIter; ++iter,v+=4 )
3641 // Add each quad geometry (a sub-selection) to the mesh data.
3651 QuadCoordinates& quad = *iter;
3653 vertex.x = quad.min.x;
3654 vertex.y = quad.min.y;
3655 vertices.push_back( vertex );
3658 vertex.x = quad.max.x;
3659 vertex.y = quad.min.y;
3660 vertices.push_back( vertex );
3662 // bottom-left (v+2)
3663 vertex.x = quad.min.x;
3664 vertex.y = quad.max.y;
3665 vertices.push_back( vertex );
3667 // bottom-right (v+3)
3668 vertex.x = quad.max.x;
3669 vertex.y = quad.max.y;
3670 vertices.push_back( vertex );
3672 // triangle A (3, 1, 0)
3673 faceIndices.push_back( v + 3 );
3674 faceIndices.push_back( v + 1 );
3675 faceIndices.push_back( v );
3677 // triangle B (0, 2, 3)
3678 faceIndices.push_back( v );
3679 faceIndices.push_back( v + 2 );
3680 faceIndices.push_back( v + 3 );
3682 mMeshData.SetFaceIndices( faceIndices );
3685 BoneContainer bones(0); // passed empty as bones not required
3686 mMeshData.SetData( vertices, faceIndices, bones, mCustomMaterial );
3687 mHighlightMesh.UpdateMeshData(mMeshData);
3692 void TextInput::ClearPopup()
3694 mPopupPanel.Clear();
3697 void TextInput::AddPopupOptions()
3699 mPopupPanel.AddPopupOptions();
3702 void TextInput::SetPopupPosition( const Vector3& position, const Vector2& alternativePosition )
3704 const Vector3& visiblePopUpSize = mPopupPanel.GetVisibileSize();
3706 Vector3 clampedPosition ( position );
3707 Vector3 tailOffsetPosition ( position );
3709 float xOffSet( 0.0f );
3711 Actor self = Self();
3712 const Vector3 textViewTopLeftWorldPosition = self.GetCurrentWorldPosition() - self.GetCurrentSize()*0.5f;
3714 const float popUpLeft = textViewTopLeftWorldPosition.x + position.x - visiblePopUpSize.width*0.5f;
3715 const float popUpTop = textViewTopLeftWorldPosition.y + position.y - visiblePopUpSize.height;
3717 // Clamp to left or right or of boundary
3718 if( popUpLeft < mBoundingRectangleWorldCoordinates.x )
3720 xOffSet = mBoundingRectangleWorldCoordinates.x - popUpLeft ;
3722 else if ( popUpLeft + visiblePopUpSize.width > mBoundingRectangleWorldCoordinates.z )
3724 xOffSet = mBoundingRectangleWorldCoordinates.z - ( popUpLeft + visiblePopUpSize.width );
3727 clampedPosition.x = position.x + xOffSet;
3728 tailOffsetPosition.x = -xOffSet;
3730 // Check if top left of PopUp outside of top bounding rectangle, if so then flip to lower position.
3731 bool flipTail( false );
3733 if ( popUpTop < mBoundingRectangleWorldCoordinates.y )
3735 clampedPosition.y = alternativePosition.y + visiblePopUpSize.height;
3739 mPopupPanel.GetRootActor().SetPosition( clampedPosition );
3740 mPopupPanel.SetTailPosition( tailOffsetPosition, flipTail );
3743 void TextInput::HidePopup(bool animate, bool signalFinished )
3745 if ( ( mPopupPanel.GetState() == TextInputPopup::StateShowing ) || ( mPopupPanel.GetState() == TextInputPopup::StateShown ) )
3747 mPopupPanel.Hide( animate );
3749 if( animate && signalFinished )
3751 mPopupPanel.HideFinishedSignal().Connect( this, &TextInput::OnPopupHideFinished );
3756 void TextInput::ShowPopup( bool animate )
3759 Vector2 alternativePopupPosition;
3761 if(mHighlightMeshActor && mState == StateEdit)
3764 Vector3 bottomHandle; // referring to the bottom most point of the handle or the bottom line of selection.
3766 // When text is selected, show popup above top handle (and text), or below bottom handle.
3767 // topHandle: referring to the top most point of the handle or the top line of selection.
3768 if ( mSelectionHandleTwoActualPosition.y > mSelectionHandleOneActualPosition.y )
3770 topHandle = mSelectionHandleOneActualPosition;
3771 bottomHandle = mSelectionHandleTwoActualPosition;
3772 rowSize= GetRowRectFromCharacterPosition( mSelectionHandleOnePosition );
3776 topHandle = mSelectionHandleTwoActualPosition;
3777 bottomHandle = mSelectionHandleOneActualPosition;
3778 rowSize = GetRowRectFromCharacterPosition( mSelectionHandleTwoPosition );
3780 topHandle.y += -mPopupOffsetFromText.y - rowSize.height;
3781 position = Vector3(topHandle.x, topHandle.y, 0.0f);
3783 float xPosition = ( fabsf( topHandle.x - bottomHandle.x ) )*0.5f + std::min( mSelectionHandleOneActualPosition.x , mSelectionHandleTwoActualPosition.x );
3785 position.x = xPosition;
3787 // Alternative position if no upper space
3788 bottomHandle.y += GetSelectionHandleSize().y + mPopupOffsetFromText.w;
3789 alternativePopupPosition = Vector2 ( position.x, bottomHandle.y );
3793 // When no text is selected, show popup at world position of grab handle or cursor
3794 position = GetActualPositionFromCharacterPosition( mCursorPosition );
3795 const Size rowSize = GetRowRectFromCharacterPosition( mCursorPosition );
3796 position.y -= ( mPopupOffsetFromText.y + rowSize.height );
3797 // if can't be positioned above, then position below row.
3798 alternativePopupPosition = Vector2( position.x, position.y ); // default if no grab handle
3801 // If grab handle enabled then position pop-up below the grab handle.
3802 alternativePopupPosition.y = rowSize.height + mGrabHandle.GetCurrentSize().height + mPopupOffsetFromText.w +50.0f;
3806 SetPopupPosition( position, alternativePopupPosition );
3809 mPopupPanel.Show( Self(), animate );
3810 StartMonitoringStageForTouch();
3812 mPopupPanel.PressedSignal().Connect( this, &TextInput::OnPopupButtonPressed );
3815 void TextInput::ShowPopupCutCopyPaste()
3819 mPopupPanel.CreateOrderedListOfOptions(); // todo Move this so only run when order has changed
3820 // Check the selected text is whole text or not.
3821 if( IsTextSelected() && ( mStyledText.size() != GetSelectedText().size() ) )
3823 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsSelectAll, true );
3826 if ( !mStyledText.empty() )
3828 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsCopy, true );
3829 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsCut, true );
3832 if( mClipboard && mClipboard.NumberOfItems() )
3834 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsPaste, true );
3835 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsClipboard, true );
3840 mPopupPanel.Hide(false);
3844 void TextInput::SetUpPopupSelection()
3847 mPopupPanel.CreateOrderedListOfOptions(); // todo Move this so only run when order has changed
3848 // If no text exists then don't offer to select
3849 if ( !mStyledText.empty() )
3851 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsSelectAll, true );
3852 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsSelect, true );
3853 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsCut, true );
3855 // if clipboard has valid contents then offer paste option
3856 if( mClipboard && mClipboard.NumberOfItems() )
3858 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsPaste, true );
3859 mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsClipboard, true );
3864 mPopupPanel.Hide(false);
3867 bool TextInput::ReturnClosestIndex(const Vector2& source, std::size_t& closestIndex )
3872 std::vector<Toolkit::TextView::CharacterLayoutInfo> matchedCharacters;
3873 bool lastRightToLeftChar(false); /// RTL state of previous character encountered (character on the left of touch point)
3874 bool rightToLeftChar(false); /// RTL state of current character encountered (character on the right of touch point)
3875 float glyphIntersection(0.0f); /// Glyph intersection, the point between the two nearest characters touched.
3877 const Vector2 sourceScrollOffset( source + mTextLayoutInfo.mScrollOffset );
3879 if ( !mTextLayoutInfo.mCharacterLayoutInfoTable.empty() )
3881 float closestYdifference = std::numeric_limits<float>::max();
3882 std::size_t lineOffset = 0; /// Keep track of position of the first character on the matched line of interest.
3883 std::size_t numberOfMatchedCharacters = 0;
3885 // 1. Find closest character line to y part of source, create vector of all entries in that Y position
3886 // TODO: There should be an easy call to enumerate through each visual line, instead of each character on all visual lines.
3888 for( std::vector<Toolkit::TextView::CharacterLayoutInfo>::const_iterator it = mTextLayoutInfo.mCharacterLayoutInfoTable.begin(), endIt = mTextLayoutInfo.mCharacterLayoutInfoTable.end(); it != endIt; ++it )
3890 const Toolkit::TextView::CharacterLayoutInfo& info( *it );
3891 float baselinePosition = info.mPosition.y - info.mDescender;
3893 if( info.mIsVisible )
3895 // store difference between source y point and the y position of the current character
3896 float currentYdifference = fabsf( sourceScrollOffset.y - ( baselinePosition ) );
3898 if( currentYdifference < closestYdifference )
3900 // closest so far; store this difference and clear previous matchedCharacters as no longer closest
3901 lineOffset = it - mTextLayoutInfo.mCharacterLayoutInfoTable.begin();
3902 closestYdifference = currentYdifference;
3903 matchedCharacters.clear();
3904 numberOfMatchedCharacters = 0; // reset count
3907 // add all characters that are on the same Y axis (within the CHARACTER_THRESHOLD) to the matched array.
3908 if( fabsf( closestYdifference - currentYdifference ) < CHARACTER_THRESHOLD )
3910 // ignore new line character.
3911 if( !info.mIsNewLineChar )
3913 matchedCharacters.push_back( info );
3914 numberOfMatchedCharacters++;
3918 } // End of loop checking each character's y position in the character layout table
3920 // Check if last character is a newline, if it is
3921 // then need pretend there is an imaginary line afterwards,
3922 // and check if user is touching below previous line.
3923 const Toolkit::TextView::CharacterLayoutInfo& lastInfo( mTextLayoutInfo.mCharacterLayoutInfoTable[mTextLayoutInfo.mCharacterLayoutInfoTable.size() - 1] );
3925 if( ( lastInfo.mIsVisible ) && ( lastInfo.mIsNewLineChar ) && ( sourceScrollOffset.y > lastInfo.mPosition.y ) )
3927 closestIndex = mTextLayoutInfo.mCharacterLayoutInfoTable.size();
3931 std::vector<Toolkit::TextView::CharacterLayoutInfo>::const_iterator it = matchedCharacters.begin();
3932 std::vector<Toolkit::TextView::CharacterLayoutInfo>::const_iterator endIt = matchedCharacters.end();
3934 bool matched( false );
3936 // 2 Iterate through matching list of y positions and find closest matching X position.
3937 for( ; it != endIt; ++it )
3939 const Toolkit::TextView::CharacterLayoutInfo& info( *it );
3941 if( info.mIsVisible )
3943 // stop when on left side of character's center.
3944 const float characterMidPointPosition = info.mPosition.x + ( info.mSize.width * 0.5f ) ;
3945 if( sourceScrollOffset.x < characterMidPointPosition )
3947 if(info.mIsRightToLeftCharacter)
3949 rightToLeftChar = true;
3951 glyphIntersection = info.mPosition.x;
3956 lastRightToLeftChar = info.mIsRightToLeftCharacter;
3962 rightToLeftChar = lastRightToLeftChar;
3965 std::size_t matchCharacterIndex = it - matchedCharacters.begin();
3966 closestIndex = lineOffset + matchCharacterIndex;
3968 mClosestCursorPositionEOL = false; // reset
3969 if ( it == endIt && !matched )
3971 mClosestCursorPositionEOL = true; // Reached end of matched characters in closest line but no match so cursor should be after last character.
3974 // For RTL characters, need to adjust closestIndex by 1 (as the inequality above would be reverse)
3975 if( rightToLeftChar && lastRightToLeftChar )
3977 --closestIndex; // (-1 = numeric_limits<std::size_t>::max())
3982 // closestIndex is the visual index, need to convert it to the logical index
3983 if( !mTextLayoutInfo.mCharacterVisualToLogicalMap.empty() )
3985 if( closestIndex < mTextLayoutInfo.mCharacterVisualToLogicalMap.size() )
3987 // Checks for situations where user is touching between LTR and RTL
3988 // characters. To identify if the user means the end of a LTR string
3989 // or the beginning of an RTL string, and vice versa.
3990 if( closestIndex > 0 )
3992 if( rightToLeftChar && !lastRightToLeftChar )
3997 // A: In this touch range, the user is indicating that they wish to place
3998 // the cursor at the end of the LTR text.
3999 // B: In this touch range, the user is indicating that they wish to place
4000 // the cursor at the end of the RTL text.
4002 // Result of touching A area:
4003 // [.....LTR]|[RTL......]+
4005 // |: primary cursor (for typing LTR chars)
4006 // +: secondary cursor (for typing RTL chars)
4008 // Result of touching B area:
4009 // [.....LTR]+[RTL......]|
4011 // |: primary cursor (for typing RTL chars)
4012 // +: secondary cursor (for typing LTR chars)
4014 if( sourceScrollOffset.x < glyphIntersection )
4019 else if( !rightToLeftChar && lastRightToLeftChar )
4021 if( sourceScrollOffset.x < glyphIntersection )
4028 closestIndex = mTextLayoutInfo.mCharacterVisualToLogicalMap[closestIndex];
4029 // If user touched a left-side of RTL char, and the character on the left was an LTR then position logical cursor
4030 // one further ahead
4031 if( rightToLeftChar && !lastRightToLeftChar )
4036 else if( closestIndex == numeric_limits<std::size_t>::max() ) // -1 RTL (after last arabic character on line)
4038 closestIndex = mTextLayoutInfo.mCharacterVisualToLogicalMap.size();
4040 else if( mTextLayoutInfo.mCharacterLayoutInfoTable[ mTextLayoutInfo.mCharacterVisualToLogicalMap[ closestIndex - 1 ] ].mIsRightToLeftCharacter ) // size() LTR (after last european character on line)
4049 float TextInput::GetLineJustificationPosition() const
4051 const Vector3& size = mDisplayedTextView.GetCurrentSize();
4052 Toolkit::Alignment::Type alignment = mDisplayedTextView.GetTextAlignment();
4053 float alignmentOffset = 0.f;
4055 // Work out cursor 'x' position when there are any character accordingly with the text view alignment settings.
4056 if( alignment & Toolkit::Alignment::HorizontalLeft )
4058 alignmentOffset = 0.f;
4060 else if( alignment & Toolkit::Alignment::HorizontalCenter )
4062 alignmentOffset = 0.5f * ( size.width - mTextLayoutInfo.mTextSize.width );
4064 else if( alignment & Toolkit::Alignment::HorizontalRight )
4066 alignmentOffset = size.width - mTextLayoutInfo.mTextSize.width;
4069 Toolkit::TextView::LineJustification justification = mDisplayedTextView.GetLineJustification();
4070 float justificationOffset = 0.f;
4072 switch( justification )
4074 case Toolkit::TextView::Left:
4076 justificationOffset = 0.f;
4079 case Toolkit::TextView::Center:
4081 justificationOffset = 0.5f * mTextLayoutInfo.mTextSize.width;
4084 case Toolkit::TextView::Right:
4086 justificationOffset = mTextLayoutInfo.mTextSize.width;
4089 case Toolkit::TextView::Justified:
4091 justificationOffset = 0.f;
4096 DALI_ASSERT_ALWAYS( false );
4100 return alignmentOffset + justificationOffset;
4103 Vector3 TextInput::PositionCursorAfterWordWrap( std::size_t characterPosition ) const
4105 /* Word wrap occurs automatically in TextView when the exceed policy moves a word to the next line when not enough space on current.
4106 A newline character is not inserted in this case */
4108 DALI_ASSERT_DEBUG( !(characterPosition <= 0 ));
4110 Vector3 cursorPosition;
4112 Toolkit::TextView::CharacterLayoutInfo currentCharInfo;
4114 if ( characterPosition == mTextLayoutInfo.mCharacterLayoutInfoTable.size() )
4116 // end character so use
4117 currentCharInfo = mTextLayoutInfo.mCharacterLayoutInfoTable[ characterPosition - 1 ];
4118 cursorPosition = Vector3(currentCharInfo.mPosition.x + currentCharInfo.mSize.width, currentCharInfo.mPosition.y, currentCharInfo.mPosition.z) ;
4122 currentCharInfo = mTextLayoutInfo.mCharacterLayoutInfoTable[ characterPosition ];
4125 Toolkit::TextView::CharacterLayoutInfo previousCharInfo = mTextLayoutInfo.mCharacterLayoutInfoTable[ characterPosition - 1];
4127 // If previous character on a different line then use current characters position
4128 if ( fabsf( (currentCharInfo.mPosition.y - currentCharInfo.mDescender ) - ( previousCharInfo.mPosition.y - previousCharInfo.mDescender) ) > Math::MACHINE_EPSILON_1000 )
4130 if ( mClosestCursorPositionEOL )
4132 cursorPosition = Vector3(previousCharInfo.mPosition.x + previousCharInfo.mSize.width, previousCharInfo.mPosition.y, previousCharInfo.mPosition.z) ;
4136 cursorPosition = Vector3(currentCharInfo.mPosition);
4141 // Previous character is on same line so use position of previous character plus it's width.
4142 cursorPosition = Vector3(previousCharInfo.mPosition.x + previousCharInfo.mSize.width, previousCharInfo.mPosition.y, previousCharInfo.mPosition.z) ;
4145 return cursorPosition;
4148 Vector3 TextInput::GetActualPositionFromCharacterPosition(std::size_t characterPosition) const
4150 bool direction(false);
4151 Vector3 alternatePosition;
4152 bool alternatePositionValid(false);
4154 return GetActualPositionFromCharacterPosition( characterPosition, direction, alternatePosition, alternatePositionValid );
4157 Vector3 TextInput::GetActualPositionFromCharacterPosition(std::size_t characterPosition, bool& directionRTL, Vector3& alternatePosition, bool& alternatePositionValid ) const
4159 Vector3 cursorPosition( 0.f, 0.f, 0.f );
4161 alternatePositionValid = false;
4162 directionRTL = false;
4164 if( !mTextLayoutInfo.mCharacterLayoutInfoTable.empty() && !mTextLayoutInfo.mCharacterLogicalToVisualMap.empty() )
4166 std::size_t visualCharacterPosition;
4168 // When cursor is not at beginning, consider possibility of
4169 // showing 2 cursors. (whereas at beginning we only ever show one cursor)
4170 if(characterPosition > 0)
4172 // Cursor position should be the end of the last character.
4173 // If the last character is LTR, then the end is on the right side of the glyph.
4174 // If the last character is RTL, then the end is on the left side of the glyph.
4175 visualCharacterPosition = mTextLayoutInfo.mCharacterLogicalToVisualMap[ characterPosition - 1 ];
4177 if( !( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + visualCharacterPosition ) ).mIsVisible )
4179 visualCharacterPosition = FindVisibleCharacter( Left, visualCharacterPosition );
4182 Toolkit::TextView::CharacterLayoutInfo info = mTextLayoutInfo.mCharacterLayoutInfoTable[ visualCharacterPosition ];
4183 if( ( visualCharacterPosition > 0 ) && info.mIsNewLineChar && !IsScrollEnabled() )
4185 // Prevents the cursor to exceed the boundary if the last visible character is a 'new line character' and the scroll is not enabled.
4186 const Vector3& size = GetControlSize();
4188 if( info.mPosition.y + info.mSize.height - mDisplayedTextView.GetLineHeightOffset() > size.height )
4190 --visualCharacterPosition;
4192 info = mTextLayoutInfo.mCharacterLayoutInfoTable[ visualCharacterPosition ];
4195 if(!info.mIsNewLineChar)
4197 cursorPosition = PositionCursorAfterWordWrap( characterPosition ); // Get position of cursor/handles taking in account auto word wrap.
4201 // When cursor points to first character on new line, position cursor at the start of this glyph.
4202 if(characterPosition < mTextLayoutInfo.mCharacterLogicalToVisualMap.size())
4204 std::size_t visualCharacterNextPosition = mTextLayoutInfo.mCharacterLogicalToVisualMap[ characterPosition ];
4205 const Toolkit::TextView::CharacterLayoutInfo& infoNext = mTextLayoutInfo.mCharacterLayoutInfoTable[ visualCharacterNextPosition ];
4206 const float start( infoNext.mIsRightToLeftCharacter ? infoNext.mSize.width : 0.0f );
4208 cursorPosition.x = infoNext.mPosition.x + start;
4209 cursorPosition.y = infoNext.mPosition.y;
4213 // If cursor points to the end of text, then can only position
4214 // cursor where the new line starts based on the line-justification position.
4215 cursorPosition.x = GetLineJustificationPosition();
4217 if(characterPosition == mTextLayoutInfo.mCharacterLogicalToVisualMap.size())
4219 // If this is after the last character, then we can assume that the new cursor
4220 // should be exactly one row below the current row.
4222 const Size rowRect(GetRowRectFromCharacterPosition(characterPosition - 1));
4223 cursorPosition.y = info.mPosition.y + rowRect.height;
4227 // If this is not after last character, then we can use this row's height.
4228 // should be exactly one row below the current row.
4230 const Size rowRect(GetRowRectFromCharacterPosition(characterPosition));
4231 cursorPosition.y = info.mPosition.y + rowRect.height;
4236 directionRTL = info.mIsRightToLeftCharacter;
4238 // 1. When the cursor is neither at the beginning or the end,
4239 // we can show multiple cursors under situations when the cursor is
4240 // between RTL and LTR text...
4241 if(characterPosition != mTextLayoutInfo.mCharacterLogicalToVisualMap.size())
4243 std::size_t visualCharacterAltPosition = mTextLayoutInfo.mCharacterLogicalToVisualMap[characterPosition] - 1;
4245 DALI_ASSERT_ALWAYS(visualCharacterAltPosition < mTextLayoutInfo.mCharacterLayoutInfoTable.size());
4246 const Toolkit::TextView::CharacterLayoutInfo& infoAlt = mTextLayoutInfo.mCharacterLayoutInfoTable[ visualCharacterAltPosition ];
4248 if(!info.mIsRightToLeftCharacter && infoAlt.mIsRightToLeftCharacter)
4250 // Stuation occurs when cursor is at the end of English text (LTR) and beginning of Arabic (RTL)
4251 // Text: [...LTR...]|[...RTL...]
4253 // Alternate cursor pos: ^
4254 // In which case we need to display an alternate cursor for the RTL text.
4256 alternatePosition.x = infoAlt.mPosition.x + infoAlt.mSize.width;
4257 alternatePosition.y = infoAlt.mPosition.y;
4258 alternatePositionValid = true;
4260 else if(info.mIsRightToLeftCharacter && !infoAlt.mIsRightToLeftCharacter)
4262 // Situation occurs when cursor is at end of the Arabic text (LTR) and beginning of English (RTL)
4263 // Text: |[...RTL...] [...LTR....]
4265 // Alternate cursor pos: ^
4266 // In which case we need to display an alternate cursor for the RTL text.
4268 alternatePosition.x = infoAlt.mPosition.x;
4269 alternatePosition.y = infoAlt.mPosition.y;
4270 alternatePositionValid = true;
4275 // 2. When the cursor is at the end of the text,
4276 // and we have multi-directional text,
4277 // we can also consider showing mulitple cursors.
4278 // The rule here is:
4279 // If first and last characters on row are different
4280 // Directions, then two cursors need to be displayed.
4282 // Get first logical glyph on row
4283 std::size_t startCharacterPosition = GetRowStartFromCharacterPosition( characterPosition - 1 );
4285 std::size_t visualCharacterStartPosition = mTextLayoutInfo.mCharacterLogicalToVisualMap[ startCharacterPosition ];
4286 const Toolkit::TextView::CharacterLayoutInfo& infoStart= mTextLayoutInfo.mCharacterLayoutInfoTable[ visualCharacterStartPosition ];
4288 if(info.mIsRightToLeftCharacter && !infoStart.mIsRightToLeftCharacter)
4290 // For text Starting as LTR and ending as RTL. End cursor position is as follows:
4291 // Text: [...LTR...]|[...RTL...]
4293 // Alternate cursor pos: ^
4294 // In which case we need to display an alternate cursor for the RTL text, this cursor
4295 // should be at the end of the given line.
4297 const Toolkit::TextView::CharacterLayoutInfo& infoAlt = mTextLayoutInfo.mCharacterLayoutInfoTable[ mTextLayoutInfo.mCharacterLayoutInfoTable.size() - 1 ];
4298 alternatePosition.x = infoAlt.mPosition.x + infoAlt.mSize.width;
4299 alternatePosition.y = infoAlt.mPosition.y;
4300 alternatePositionValid = true;
4302 else if(!info.mIsRightToLeftCharacter && infoStart.mIsRightToLeftCharacter) // starting RTL
4304 // For text Starting as RTL and ending as LTR. End cursor position is as follows:
4305 // Text: |[...RTL...] [...LTR....]
4307 // Alternate cursor pos: ^
4308 // In which case we need to display an alternate cursor for the RTL text.
4310 const Toolkit::TextView::CharacterLayoutInfo& infoAlt = mTextLayoutInfo.mCharacterLayoutInfoTable[ startCharacterPosition ];
4311 alternatePosition.x = infoAlt.mPosition.x;
4312 alternatePosition.y = infoAlt.mPosition.y;
4313 alternatePositionValid = true;
4316 } // characterPosition > 0
4317 else if(characterPosition == 0)
4319 // When the cursor position is at the beginning, it should be at the start of the current character.
4320 // If the current character is LTR, then the start is on the right side of the glyph.
4321 // If the current character is RTL, then the start is on the left side of the glyph.
4322 visualCharacterPosition = mTextLayoutInfo.mCharacterLogicalToVisualMap[ characterPosition ];
4324 if( !( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + visualCharacterPosition ) ).mIsVisible )
4326 visualCharacterPosition = FindVisibleCharacter( Right, visualCharacterPosition );
4329 const Toolkit::TextView::CharacterLayoutInfo& info = mTextLayoutInfo.mCharacterLayoutInfoTable[ visualCharacterPosition ];
4330 const float start(info.mIsRightToLeftCharacter ? info.mSize.width : 0.0f);
4332 cursorPosition.x = info.mPosition.x + start;
4333 cursorPosition.y = info.mPosition.y;
4334 directionRTL = info.mIsRightToLeftCharacter;
4339 // If the character table is void, place the cursor accordingly the text alignment.
4340 const Vector3& size = GetControlSize();
4342 Toolkit::Alignment::Type alignment = mDisplayedTextView.GetTextAlignment();
4343 float alignmentOffset = 0.f;
4345 // Work out cursor 'x' position when there are any character accordingly with the text view alignment settings.
4346 if( alignment & Toolkit::Alignment::HorizontalLeft )
4348 alignmentOffset = 0.f;
4350 else if( alignment & Toolkit::Alignment::HorizontalCenter )
4352 alignmentOffset = 0.5f * ( size.width );
4354 else if( alignment & Toolkit::Alignment::HorizontalRight )
4356 alignmentOffset = size.width;
4359 // Work out cursor 'x' position when there are any character accordingly with the text view alignment settings.
4360 cursorPosition.x = alignmentOffset;
4362 // Work out cursor 'y' position when there are any character accordingly with the text view alignment settings.
4363 if( alignment & Toolkit::Alignment::VerticalTop )
4365 cursorPosition.y = mLineHeight;
4367 else if( alignment & Toolkit::Alignment::VerticalCenter )
4369 cursorPosition.y = 0.5f * ( size.height + mLineHeight );
4371 else if( alignment & Toolkit::Alignment::VerticalBottom )
4373 cursorPosition.y = size.height;
4377 cursorPosition.x -= mTextLayoutInfo.mScrollOffset.x;
4378 cursorPosition.y -= mTextLayoutInfo.mScrollOffset.y;
4379 if( alternatePositionValid )
4381 alternatePosition.x -= mTextLayoutInfo.mScrollOffset.x;
4382 alternatePosition.y -= mTextLayoutInfo.mScrollOffset.y;
4385 return cursorPosition;
4388 std::size_t TextInput::GetRowStartFromCharacterPosition(std::size_t logicalPosition) const
4390 // scan string from current position to beginning of current line to note direction of line
4391 while(logicalPosition)
4394 std::size_t visualPosition = GetVisualPosition(logicalPosition);
4395 if(mTextLayoutInfo.mCharacterLayoutInfoTable[visualPosition].mIsNewLineChar)
4402 return logicalPosition;
4405 Size TextInput::GetRowRectFromCharacterPosition(std::size_t characterPosition) const
4409 return GetRowRectFromCharacterPosition( characterPosition, min, max );
4412 Size TextInput::GetRowRectFromCharacterPosition(std::size_t characterPosition, Vector2& min, Vector2& max) const
4414 // if we have no text content, then return position 0,0 with width 0, and height the same as cursor height.
4415 if( mTextLayoutInfo.mCharacterLayoutInfoTable.empty() )
4417 min = Vector2::ZERO;
4418 max = Vector2(0.0f, mLineHeight);
4422 // TODO: This info should be readily available from text-view, we should not have to search hard for it.
4423 Toolkit::TextView::CharacterLayoutInfoContainer::const_iterator begin = mTextLayoutInfo.mCharacterLayoutInfoTable.begin();
4424 Toolkit::TextView::CharacterLayoutInfoContainer::const_iterator end = mTextLayoutInfo.mCharacterLayoutInfoTable.end();
4426 // If cursor is pointing to end of line, then start from last character.
4427 characterPosition = std::min( characterPosition, static_cast<std::size_t>(mTextLayoutInfo.mCharacterLayoutInfoTable.size() - 1) );
4429 Toolkit::TextView::CharacterLayoutInfoContainer::const_iterator it = mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + characterPosition;
4431 // 0. Find first a visible character. Draw a cursor beyound text-input bounds is not wanted.
4432 if( !it->mIsVisible )
4434 characterPosition = FindVisibleCharacter( Left, characterPosition );
4435 it = mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + characterPosition;
4438 // Scan characters left and right of cursor, stopping when end of line/string reached or
4439 // y position greater than threshold of reference line.
4441 // 1. scan left until we reach the beginning or a different line.
4442 Toolkit::TextView::CharacterLayoutInfoContainer::const_iterator validCharIt = it;
4443 float referenceLine = it->mPosition.y - CHARACTER_THRESHOLD;
4444 // min-x position is the left-most char's left (x)
4445 // max-x position is the right-most char's right (x)
4446 // min-y position is the minimum of all character's top (y)
4447 // max-y position is the maximum of all character's bottom (y+height)
4448 min.y = validCharIt->mPosition.y;
4449 max.y = validCharIt->mPosition.y + validCharIt->mSize.y;
4454 min.y = std::min(min.y, validCharIt->mPosition.y);
4455 max.y = std::max(max.y, validCharIt->mPosition.y + validCharIt->mSize.y);
4464 if( (it->mPosition.y < referenceLine) ||
4465 (it->mIsNewLineChar) ||
4472 // info refers to the first character on this line.
4473 min.x = validCharIt->mPosition.x;
4475 // 2. scan right until we reach end or a different line
4476 it = mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + characterPosition;
4477 referenceLine = it->mPosition.y + CHARACTER_THRESHOLD;
4481 if( (it->mPosition.y > referenceLine) ||
4482 (it->mIsNewLineChar) ||
4489 min.y = std::min(min.y, validCharIt->mPosition.y);
4490 max.y = std::max(max.y, validCharIt->mPosition.y + validCharIt->mSize.y);
4495 DALI_ASSERT_DEBUG ( validCharIt != end && "validCharIt invalid")
4497 if ( validCharIt != end )
4499 // info refers to the last character on this line.
4500 max.x = validCharIt->mPosition.x + validCharIt->mSize.x;
4503 return Size( max.x - min.x, max.y - min.y );
4506 bool TextInput::WasTouchedCheck( const Actor& touchedActor ) const
4508 Actor popUpPanel = mPopupPanel.GetRootActor();
4510 if ( ( touchedActor == Self() ) || ( touchedActor == popUpPanel ) )
4516 Dali::Actor parent( touchedActor.GetParent() );
4520 return WasTouchedCheck( parent );
4527 void TextInput::StartMonitoringStageForTouch()
4529 Stage stage = Stage::GetCurrent();
4530 stage.TouchedSignal().Connect( this, &TextInput::OnStageTouched );
4533 void TextInput::EndMonitoringStageForTouch()
4535 Stage stage = Stage::GetCurrent();
4536 stage.TouchedSignal().Disconnect( this, &TextInput::OnStageTouched );
4539 void TextInput::OnStageTouched(const TouchEvent& event)
4541 if( event.GetPointCount() > 0 )
4543 if ( TouchPoint::Down == event.GetPoint(0).state )
4545 const Actor touchedActor(event.GetPoint(0).hitActor);
4547 bool popUpShown( false );
4549 if ( ( mPopupPanel.GetState() == TextInputPopup::StateShowing ) || ( mPopupPanel.GetState() == TextInputPopup::StateShown ) )
4554 bool textInputTouched = (touchedActor && WasTouchedCheck( touchedActor ));
4556 if ( ( mHighlightMeshActor || popUpShown ) && !textInputTouched )
4558 EndMonitoringStageForTouch();
4559 HidePopup( true, false );
4562 if ( ( IsGrabHandleEnabled() && mGrabHandle ) && !textInputTouched )
4564 EndMonitoringStageForTouch();
4565 ShowGrabHandleAndSetVisibility( false );
4571 void TextInput::SelectText(std::size_t start, std::size_t end)
4573 DALI_LOG_INFO(gLogFilter, Debug::General, "SelectText mEditModeActive[%s] grabHandle[%s] start[%u] end[%u] size[%u]\n", mEditModeActive?"true":"false",
4574 IsGrabHandleEnabled()?"true":"false",
4575 start, end, mTextLayoutInfo.mCharacterLayoutInfoTable.size() );
4576 DALI_ASSERT_ALWAYS( start <= mTextLayoutInfo.mCharacterLayoutInfoTable.size() && "TextInput::SelectText start out of max range" );
4577 DALI_ASSERT_ALWAYS( end <= mTextLayoutInfo.mCharacterLayoutInfoTable.size() && "TextInput::SelectText end out of max range" );
4579 StartMonitoringStageForTouch();
4581 if ( mEditModeActive ) // Only allow text selection when in edit mode
4583 // When replacing highlighted text keyboard should ignore current word at cursor hence notify keyboard that the cursor is at the start of the highlight.
4584 mSelectingText = true;
4586 mCursorPosition = std::min( start, end ); // Set cursor position to start of highlighted text.
4588 ImfManager imfManager = ImfManager::Get();
4591 imfManager.SetCursorPosition ( mCursorPosition );
4592 imfManager.SetSurroundingText( GetText() );
4593 imfManager.NotifyCursorPosition();
4595 // 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.
4597 // Hide grab handle when selecting.
4598 ShowGrabHandleAndSetVisibility( false );
4600 if( start != end ) // something to select
4602 SetCursorVisibility( false );
4603 StopCursorBlinkTimer();
4605 CreateSelectionHandles(start, end);
4608 const TextStyle oldInputStyle( mInputStyle );
4609 mInputStyle = GetStyleAt( mCursorPosition ); // Inherit style from selected position.
4611 if( oldInputStyle != mInputStyle )
4613 // Updates the line height accordingly with the input style.
4616 EmitStyleChangedSignal();
4622 mSelectingText = false;
4626 MarkupProcessor::StyledTextArray TextInput::GetSelectedText()
4628 MarkupProcessor::StyledTextArray currentSelectedText;
4630 if ( IsTextSelected() )
4632 MarkupProcessor::StyledTextArray::iterator it = mStyledText.begin() + std::min(mSelectionHandleOnePosition, mSelectionHandleTwoPosition);
4633 MarkupProcessor::StyledTextArray::iterator end = mStyledText.begin() + std::max(mSelectionHandleOnePosition, mSelectionHandleTwoPosition);
4635 for(; it != end; ++it)
4637 MarkupProcessor::StyledText& styledText( *it );
4638 currentSelectedText.push_back( styledText );
4641 return currentSelectedText;
4644 void TextInput::ApplyStyleToRange(const TextStyle& style, const TextStyle::Mask mask, const std::size_t begin, const std::size_t end)
4646 const std::size_t beginIndex = std::min( begin, end );
4647 const std::size_t endIndex = std::max( begin, end );
4650 MarkupProcessor::SetTextStyleToRange( mStyledText, style, mask, beginIndex, endIndex );
4652 // Create a styled text array used to replace the text into the text-view.
4653 MarkupProcessor::StyledTextArray text;
4654 text.insert( text.begin(), mStyledText.begin() + beginIndex, mStyledText.begin() + endIndex + 1 );
4656 mDisplayedTextView.ReplaceTextFromTo( beginIndex, ( endIndex - beginIndex ) + 1, text );
4657 GetTextLayoutInfo();
4659 if( IsScrollEnabled() )
4661 // Need to set the scroll position as the text's size may have changed.
4662 ScrollTextViewToMakeCursorVisible( Vector3( mTextLayoutInfo.mScrollOffset.x, mTextLayoutInfo.mScrollOffset.y, 0.f ) );
4665 ShowGrabHandleAndSetVisibility( false );
4671 // Set Handle positioning as the new style may have repositioned the characters.
4672 SetSelectionHandlePosition(HandleOne);
4673 SetSelectionHandlePosition(HandleTwo);
4676 void TextInput::KeyboardStatusChanged(bool keyboardShown)
4678 // Just hide the grab handle when keyboard is hidden.
4679 if (!keyboardShown )
4681 ShowGrabHandleAndSetVisibility( false );
4683 // If the keyboard is not now being shown, then hide the popup panel
4684 mPopupPanel.Hide( true );
4688 // Removes highlight and resumes edit mode state
4689 void TextInput::RemoveHighlight()
4691 DALI_LOG_INFO(gLogFilter, Debug::General, "RemoveHighlight\n");
4693 if ( mHighlightMeshActor )
4695 if ( mSelectionHandleOne )
4697 mActiveLayer.Remove( mSelectionHandleOne );
4698 mSelectionHandleOne.Reset();
4699 mSelectionHandleOneOffset.x = 0.0f;
4701 if ( mSelectionHandleTwo )
4703 mActiveLayer.Remove( mSelectionHandleTwo );
4704 mSelectionHandleTwo.Reset();
4705 mSelectionHandleTwoOffset.x = 0.0f;
4708 mNewHighlightInfo.mQuadList.clear();
4710 Self().Remove( mHighlightMeshActor );
4712 SetCursorVisibility( true );
4713 StartCursorBlinkTimer();
4715 mHighlightMeshActor.Reset();
4716 // NOTE: We cannot dereference mHighlightMesh, due
4717 // to a bug in how the scene-graph MeshRenderer uses the Mesh data incorrectly.
4722 mSelectionHandleOnePosition = 0;
4723 mSelectionHandleTwoPosition = 0;
4726 void TextInput::CreateHighlight()
4728 if ( !mHighlightMeshActor )
4730 mMeshData = MeshData( );
4731 mMeshData.SetHasNormals( true );
4733 mCustomMaterial = Material::New("CustomMaterial");
4734 mCustomMaterial.SetDiffuseColor( mMaterialColor );
4736 mMeshData.SetMaterial( mCustomMaterial );
4738 mHighlightMesh = Mesh::New( mMeshData );
4740 mHighlightMeshActor = MeshActor::New( mHighlightMesh );
4741 mHighlightMeshActor.SetName( "HighlightMeshActor" );
4742 mHighlightMeshActor.SetParentOrigin( ParentOrigin::TOP_LEFT );
4743 mHighlightMeshActor.SetAnchorPoint( AnchorPoint::TOP_LEFT );
4744 mHighlightMeshActor.SetPosition( 0.0f, 0.0f, DISPLAYED_HIGHLIGHT_Z_OFFSET );
4745 mHighlightMeshActor.SetAffectedByLighting(false);
4747 Self().Add(mHighlightMeshActor);
4752 bool TextInput::CopySelectedTextToClipboard()
4754 mCurrentCopySelecton.clear();
4756 mCurrentCopySelecton = GetSelectedText();
4758 std::string stringToStore;
4760 /* Create a StyledTextArray from the selected region so can use the MarkUpProcessor to produce
4761 * a marked up string.
4763 MarkupProcessor::StyledTextArray selectedText(mCurrentCopySelecton.begin(),mCurrentCopySelecton.end());
4764 MarkupProcessor::GetPlainString( selectedText, stringToStore );
4765 bool success = mClipboard.SetItem( stringToStore );
4769 void TextInput::PasteText( const Text& text )
4771 // Update Flag, indicates whether to update the text-input contents or not.
4772 // Any key stroke that results in a visual change of the text-input should
4773 // set this flag to true.
4774 bool update = false;
4775 if( mHighlightMeshActor )
4777 /* if highlighted, delete entire text, and position cursor at start of deleted text. */
4778 mCursorPosition = std::min(mSelectionHandleOnePosition, mSelectionHandleTwoPosition);
4780 ImfManager imfManager = ImfManager::Get();
4783 imfManager.SetCursorPosition( mCursorPosition );
4784 imfManager.NotifyCursorPosition();
4786 DeleteHighlightedText( true );
4790 bool textExceedsMaximunNumberOfCharacters = false;
4791 bool textExceedsBoundary = false;
4793 std::size_t insertedStringLength = DoInsertAt( text, mCursorPosition, 0, textExceedsMaximunNumberOfCharacters, textExceedsBoundary );
4795 mCursorPosition += insertedStringLength;
4796 ImfManager imfManager = ImfManager::Get();
4799 imfManager.SetCursorPosition ( mCursorPosition );
4800 imfManager.NotifyCursorPosition();
4803 update = update || ( insertedStringLength > 0 );
4810 if( insertedStringLength < text.GetLength() )
4812 EmitMaxInputCharactersReachedSignal();
4815 if( textExceedsBoundary )
4817 EmitInputTextExceedsBoundariesSignal();
4821 void TextInput::SetTextDirection()
4823 // Put the cursor to the right if we are empty and an RTL language is being used.
4824 if ( mStyledText.empty() )
4826 VirtualKeyboard::TextDirection direction( VirtualKeyboard::GetTextDirection() );
4828 // Get the current text alignment preserving the vertical alignment. Also preserve the horizontal center
4829 // alignment as we do not want to set the text direction if we've been asked to be in the center.
4831 // TODO: Should split SetTextAlignment into two APIs to better handle this (sometimes apps just want to
4832 // set vertical alignment but are being forced to set the horizontal alignment as well with the
4834 int alignment( mDisplayedTextView.GetTextAlignment() &
4835 ( Toolkit::Alignment::VerticalTop |
4836 Toolkit::Alignment::VerticalCenter |
4837 Toolkit::Alignment::VerticalBottom |
4838 Toolkit::Alignment::HorizontalCenter ) );
4839 Toolkit::TextView::LineJustification justification( mDisplayedTextView.GetLineJustification() );
4841 // If our alignment is in the center, then do not change.
4842 if ( !( alignment & Toolkit::Alignment::HorizontalCenter ) )
4844 alignment |= ( direction == VirtualKeyboard::LeftToRight ) ? Toolkit::Alignment::HorizontalLeft : Toolkit::Alignment::HorizontalRight;
4847 // If our justification is in the center, then do not change.
4848 if ( justification != Toolkit::TextView::Center )
4850 justification = ( direction == VirtualKeyboard::LeftToRight ) ? Toolkit::TextView::Left : Toolkit::TextView::Right;
4853 mDisplayedTextView.SetTextAlignment( static_cast<Toolkit::Alignment::Type>(alignment) );
4854 mDisplayedTextView.SetLineJustification( justification );
4858 void TextInput::UpdateLineHeight()
4860 Dali::Font font = Dali::Font::New( FontParameters( mInputStyle.GetFontName(), mInputStyle.GetFontStyle(), mInputStyle.GetFontPointSize() ) );
4861 mLineHeight = font.GetLineHeight();
4863 // 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.
4865 const bool shrink = mDisplayedTextView && ( Toolkit::TextView::ShrinkToFit == mDisplayedTextView.GetHeightExceedPolicy() ) && mStyledText.empty();
4867 if( !mExceedEnabled || shrink )
4869 mLineHeight = std::min( mLineHeight, GetControlSize().height );
4873 std::size_t TextInput::FindVisibleCharacter( const FindVisibleCharacterDirection direction , const std::size_t cursorPosition ) const
4875 std::size_t position = 0;
4877 const std::size_t tableSize = mTextLayoutInfo.mCharacterLayoutInfoTable.size();
4883 position = FindVisibleCharacterLeft( cursorPosition, mTextLayoutInfo.mCharacterLayoutInfoTable );
4885 if( !( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + ( tableSize == position ? position - 1 : position ) ) ).mIsVisible )
4887 position = FindVisibleCharacterRight( cursorPosition, mTextLayoutInfo.mCharacterLayoutInfoTable );
4893 position = FindVisibleCharacterRight( cursorPosition, mTextLayoutInfo.mCharacterLayoutInfoTable );
4894 if( !( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + ( tableSize == position ? position - 1 : position ) ) ).mIsVisible )
4896 position = FindVisibleCharacterLeft( cursorPosition, mTextLayoutInfo.mCharacterLayoutInfoTable );
4902 position = FindVisibleCharacterLeft( 0, mTextLayoutInfo.mCharacterLayoutInfoTable );
4907 DALI_ASSERT_ALWAYS( !"TextInput::FindVisibleCharacter() Unknown direction." );
4914 void TextInput::SetSortModifier( float depthOffset )
4916 if(mDisplayedTextView)
4918 mDisplayedTextView.SetSortModifier(depthOffset);
4922 void TextInput::SetSnapshotModeEnabled( bool enable )
4924 if(mDisplayedTextView)
4926 mDisplayedTextView.SetSnapshotModeEnabled( enable );
4930 bool TextInput::IsSnapshotModeEnabled() const
4932 bool snapshotEnabled = false;
4934 if(mDisplayedTextView)
4936 snapshotEnabled = mDisplayedTextView.IsSnapshotModeEnabled();
4939 return snapshotEnabled;
4942 void TextInput::SetMarkupProcessingEnabled( bool enable )
4944 mMarkUpEnabled = enable;
4947 bool TextInput::IsMarkupProcessingEnabled() const
4949 return mMarkUpEnabled;
4952 void TextInput::SetScrollEnabled( bool enable )
4954 if( mDisplayedTextView )
4956 mDisplayedTextView.SetScrollEnabled( enable );
4961 // Don't set cursor's and handle's visibility to false if they are outside the
4962 // boundaries of the text-input.
4963 mIsCursorInScrollArea = true;
4964 mIsGrabHandleInScrollArea = true;
4965 if( mSelectionHandleOne && mSelectionHandleTwo )
4967 mSelectionHandleOne.SetVisible( true );
4968 mSelectionHandleTwo.SetVisible( true );
4970 if( mHighlightMeshActor )
4972 mHighlightMeshActor.SetVisible( true );
4978 bool TextInput::IsScrollEnabled() const
4980 bool scrollEnabled = false;
4982 if( mDisplayedTextView )
4984 scrollEnabled = mDisplayedTextView.IsScrollEnabled();
4987 return scrollEnabled;
4990 void TextInput::SetScrollPosition( const Vector2& position )
4992 if( mDisplayedTextView )
4994 mDisplayedTextView.SetScrollPosition( position );
4998 Vector2 TextInput::GetScrollPosition() const
5000 Vector2 scrollPosition;
5002 if( mDisplayedTextView )
5004 scrollPosition = mDisplayedTextView.GetScrollPosition();
5007 return scrollPosition;
5010 std::size_t TextInput::DoInsertAt( const Text& text, const std::size_t position, const std::size_t numberOfCharactersToReplace, bool& textExceedsMaximunNumberOfCharacters, bool& textExceedsBoundary )
5012 // determine number of characters that we can write to style text buffer, this is the insertStringLength
5013 std::size_t insertedStringLength = std::min( text.GetLength(), mMaxStringLength - mStyledText.size() );
5014 textExceedsMaximunNumberOfCharacters = insertedStringLength < text.GetLength();
5016 // Add style to the new input text.
5017 MarkupProcessor::StyledTextArray textToInsert;
5018 for( std::size_t i = 0; i < insertedStringLength; ++i )
5020 const MarkupProcessor::StyledText newStyledCharacter( text[i], mInputStyle );
5021 textToInsert.push_back( newStyledCharacter );
5024 //Insert text to the TextView.
5025 const bool emptyTextView = mStyledText.empty();
5026 if( emptyTextView && mPlaceHolderSet )
5028 // There is no text set so call to TextView::SetText() is needed in order to clear the placeholder text.
5029 mDisplayedTextView.SetText( textToInsert );
5033 if( 0 == numberOfCharactersToReplace )
5035 mDisplayedTextView.InsertTextAt( position, textToInsert );
5039 mDisplayedTextView.ReplaceTextFromTo( position, numberOfCharactersToReplace, textToInsert );
5042 mPlaceHolderSet = false;
5044 if( textToInsert.empty() )
5046 // If no text has been inserted, GetTextLayoutInfo() need to be called to check whether mStyledText has some text.
5047 GetTextLayoutInfo();
5051 // GetTextLayoutInfo() can't be used here as mStyledText is not updated yet.
5052 mDisplayedTextView.GetTextLayoutInfo( mTextLayoutInfo );
5055 textExceedsBoundary = false;
5057 if( !mExceedEnabled )
5059 const Vector3& size = GetControlSize();
5061 if( ( mTextLayoutInfo.mTextSize.width > size.width ) || ( mTextLayoutInfo.mTextSize.height > size.height ) )
5063 // If new text does not fit within TextView
5064 mDisplayedTextView.RemoveTextFrom( position, insertedStringLength );
5065 // previously inserted text has been removed. Call GetTextLayoutInfo() to check whether mStyledText has some text.
5066 GetTextLayoutInfo();
5067 textExceedsBoundary = true;
5068 insertedStringLength = 0;
5071 if( textExceedsBoundary )
5073 // Add the part of the text which fits on the text-input.
5075 // Split the text which doesn't fit in two halves.
5076 MarkupProcessor::StyledTextArray firstHalf;
5077 MarkupProcessor::StyledTextArray secondHalf;
5078 SplitText( textToInsert, firstHalf, secondHalf );
5080 // Clear text. This text will be filled with the text inserted.
5081 textToInsert.clear();
5083 // Where to insert the text.
5084 std::size_t positionToInsert = position;
5086 bool end = text.GetLength() <= 1;
5089 // Insert text and check ...
5090 const std::size_t textLength = firstHalf.size();
5091 mDisplayedTextView.InsertTextAt( positionToInsert, firstHalf );
5092 mDisplayedTextView.GetTextLayoutInfo( mTextLayoutInfo );
5094 if( ( mTextLayoutInfo.mTextSize.width > size.width ) || ( mTextLayoutInfo.mTextSize.height > size.height ) )
5096 // Inserted text doesn't fit.
5098 // Remove inserted text
5099 mDisplayedTextView.RemoveTextFrom( positionToInsert, textLength );
5100 mDisplayedTextView.GetTextLayoutInfo( mTextLayoutInfo );
5102 // The iteration finishes when only one character doesn't fit.
5103 end = textLength <= 1;
5107 // Prepare next two halves for next iteration.
5108 MarkupProcessor::StyledTextArray copyText = firstHalf;
5109 SplitText( copyText, firstHalf, secondHalf );
5116 // store text to be inserted in mStyledText.
5117 textToInsert.insert( textToInsert.end(), firstHalf.begin(), firstHalf.end() );
5119 // Increase the inserted characters counter.
5120 insertedStringLength += textLength;
5122 // Prepare next two halves for next iteration.
5123 MarkupProcessor::StyledTextArray copyText = secondHalf;
5124 SplitText( copyText, firstHalf, secondHalf );
5126 // Update where next text has to be inserted
5127 positionToInsert += textLength;
5133 if( textToInsert.empty() && emptyTextView )
5135 // No character has been added and the text-view was empty.
5136 // Set the placeholder text.
5137 mDisplayedTextView.SetText( mStyledPlaceHolderText );
5138 mPlaceHolderSet = true;
5142 MarkupProcessor::StyledTextArray::iterator it = mStyledText.begin() + position;
5143 mStyledText.insert( it, textToInsert.begin(), textToInsert.end() );
5144 mPlaceHolderSet = false;
5147 return insertedStringLength;
5150 void TextInput::GetTextLayoutInfo()
5152 if( mStyledText.empty() )
5154 // The text-input has no text, clear the text-view's layout info.
5155 mTextLayoutInfo = Toolkit::TextView::TextLayoutInfo();
5159 if( mDisplayedTextView )
5161 mDisplayedTextView.GetTextLayoutInfo( mTextLayoutInfo );
5165 // There is no text-view.
5166 mTextLayoutInfo = Toolkit::TextView::TextLayoutInfo();
5171 void TextInput::SetOffsetFromText( const Vector4& offset )
5173 mPopupOffsetFromText = offset;
5176 const Vector4& TextInput::GetOffsetFromText() const
5178 return mPopupOffsetFromText;
5181 void TextInput::SetProperty( BaseObject* object, Property::Index propertyIndex, const Property::Value& value )
5183 Toolkit::TextInput textInput = Toolkit::TextInput::DownCast( Dali::BaseHandle( object ) );
5187 TextInput& textInputImpl( GetImpl( textInput ) );
5189 switch ( propertyIndex )
5191 case Toolkit::TextInput::HIGHLIGHT_COLOR_PROPERTY:
5193 textInputImpl.SetMaterialDiffuseColor( value.Get< Vector4 >() );
5196 case Toolkit::TextInput::CUT_AND_PASTE_COLOR_PROPERTY:
5198 textInputImpl.mPopupPanel.SetCutPastePopupColor( value.Get< Vector4 >() );
5201 case Toolkit::TextInput::CUT_AND_PASTE_PRESSED_COLOR_PROPERTY:
5203 textInputImpl.mPopupPanel.SetCutPastePopupPressedColor( value.Get< Vector4 >() );
5206 case Toolkit::TextInput::CUT_AND_PASTE_BORDER_COLOR_PROPERTY:
5208 textInputImpl.mPopupPanel.SetCutPastePopupBorderColor( value.Get< Vector4 >() );
5211 case Toolkit::TextInput::CUT_AND_PASTE_ICON_COLOR_PROPERTY:
5213 textInputImpl.mPopupPanel.SetCutPastePopupIconColor( value.Get< Vector4 >() );
5216 case Toolkit::TextInput::CUT_AND_PASTE_ICON_PRESSED_COLOR_PROPERTY:
5218 textInputImpl.mPopupPanel.SetCutPastePopupIconPressedColor( value.Get< Vector4 >() );
5221 case Toolkit::TextInput::CUT_AND_PASTE_TEXT_COLOR_PROPERTY:
5223 textInputImpl.mPopupPanel.SetCutPastePopupTextColor( value.Get< Vector4 >() );
5226 case Toolkit::TextInput::CUT_AND_PASTE_TEXT_PRESSED_COLOR_PROPERTY:
5228 textInputImpl.mPopupPanel.SetCutPastePopupTextPressedColor( value.Get< Vector4 >() );
5231 case Toolkit::TextInput::CUT_BUTTON_POSITION_PRIORITY_PROPERTY:
5233 textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsCut, value.Get<unsigned int>() );
5236 case Toolkit::TextInput::COPY_BUTTON_POSITION_PRIORITY_PROPERTY:
5238 textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsCopy, value.Get<unsigned int>() );
5241 case Toolkit::TextInput::PASTE_BUTTON_POSITION_PRIORITY_PROPERTY:
5243 textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsPaste, value.Get<unsigned int>() );
5246 case Toolkit::TextInput::SELECT_BUTTON_POSITION_PRIORITY_PROPERTY:
5248 textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsSelect, value.Get<unsigned int>() );
5251 case Toolkit::TextInput::SELECT_ALL_BUTTON_POSITION_PRIORITY_PROPERTY:
5253 textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsSelectAll, value.Get<unsigned int>() );
5256 case Toolkit::TextInput::CLIPBOARD_BUTTON_POSITION_PRIORITY_PROPERTY:
5258 textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsClipboard, value.Get<unsigned int>() );
5261 case Toolkit::TextInput::POP_UP_OFFSET_FROM_TEXT_PROPERTY:
5263 textInputImpl.SetOffsetFromText( value.Get< Vector4 >() );
5266 case Toolkit::TextInput::CURSOR_COLOR_PROPERTY:
5268 textInputImpl.mCursor.SetColor( value.Get< Vector4 >() );
5274 Property::Value TextInput::GetProperty( BaseObject* object, Property::Index propertyIndex )
5276 Property::Value value;
5278 Toolkit::TextInput textInput = Toolkit::TextInput::DownCast( Dali::BaseHandle( object ) );
5282 TextInput& textInputImpl( GetImpl( textInput ) );
5284 switch ( propertyIndex )
5286 case Toolkit::TextInput::HIGHLIGHT_COLOR_PROPERTY:
5288 value = textInputImpl.GetMaterialDiffuseColor();
5291 case Toolkit::TextInput::CUT_AND_PASTE_COLOR_PROPERTY:
5293 value = textInputImpl.mPopupPanel.GetCutPastePopupColor();
5296 case Toolkit::TextInput::CUT_AND_PASTE_PRESSED_COLOR_PROPERTY:
5298 value = textInputImpl.mPopupPanel.GetCutPastePopupPressedColor();
5301 case Toolkit::TextInput::CUT_AND_PASTE_BORDER_COLOR_PROPERTY :
5303 value = textInputImpl.mPopupPanel.GetCutPastePopupBorderColor();
5306 case Toolkit::TextInput::CUT_AND_PASTE_ICON_COLOR_PROPERTY:
5308 value = textInputImpl.mPopupPanel.GetCutPastePopupIconColor();
5311 case Toolkit::TextInput::CUT_AND_PASTE_ICON_PRESSED_COLOR_PROPERTY:
5313 value = textInputImpl.mPopupPanel.GetCutPastePopupIconPressedColor();
5316 case Toolkit::TextInput::CUT_AND_PASTE_TEXT_COLOR_PROPERTY:
5318 value = textInputImpl.mPopupPanel.GetCutPastePopupTextColor();
5321 case Toolkit::TextInput::CUT_AND_PASTE_TEXT_PRESSED_COLOR_PROPERTY:
5323 value = textInputImpl.mPopupPanel.GetCutPastePopupTextPressedColor();
5326 case Toolkit::TextInput::CUT_BUTTON_POSITION_PRIORITY_PROPERTY:
5328 value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsCut );
5331 case Toolkit::TextInput::COPY_BUTTON_POSITION_PRIORITY_PROPERTY:
5333 value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsCopy );
5336 case Toolkit::TextInput::PASTE_BUTTON_POSITION_PRIORITY_PROPERTY:
5338 value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsPaste );
5341 case Toolkit::TextInput::SELECT_BUTTON_POSITION_PRIORITY_PROPERTY:
5343 value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsSelect );
5346 case Toolkit::TextInput::SELECT_ALL_BUTTON_POSITION_PRIORITY_PROPERTY:
5348 value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsSelectAll );
5351 case Toolkit::TextInput::CLIPBOARD_BUTTON_POSITION_PRIORITY_PROPERTY:
5353 value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsClipboard );
5356 case Toolkit::TextInput::POP_UP_OFFSET_FROM_TEXT_PROPERTY:
5358 value = textInputImpl.GetOffsetFromText();
5361 case Toolkit::TextInput::CURSOR_COLOR_PROPERTY:
5363 value = textInputImpl.mCursor.GetCurrentColor();
5370 void TextInput::EmitStyleChangedSignal()
5372 // emit signal if input style changes.
5373 Toolkit::TextInput handle( GetOwner() );
5374 mStyleChangedSignalV2.Emit( handle, mInputStyle );
5377 void TextInput::EmitTextModified()
5379 // emit signal when text changes.
5380 Toolkit::TextInput handle( GetOwner() );
5381 mTextModifiedSignal.Emit( handle );
5385 void TextInput::EmitMaxInputCharactersReachedSignal()
5387 // emit signal if max characters is reached during text input.
5388 DALI_LOG_INFO(gLogFilter, Debug::General, "EmitMaxInputCharactersReachedSignal \n");
5390 Toolkit::TextInput handle( GetOwner() );
5391 mMaxInputCharactersReachedSignalV2.Emit( handle );
5394 void TextInput::EmitInputTextExceedsBoundariesSignal()
5396 // Emit a signal when the input text exceeds the boundaries of the text input.
5398 Toolkit::TextInput handle( GetOwner() );
5399 mInputTextExceedBoundariesSignalV2.Emit( handle );
5402 } // namespace Internal
5404 } // namespace Toolkit