-/*
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-// CLASS HEADER
-#include <dali-toolkit/internal/controls/text-input/text-input-impl.h>
-
-// EXTERNAL INCLUDES
-#include <math.h>
-#include <sstream>
-#include <algorithm>
-#include <dali/public-api/adaptor-framework/virtual-keyboard.h>
-#include <dali/public-api/animation/constraints.h>
-#include <dali/public-api/common/stage.h>
-#include <dali/public-api/events/key-event.h>
-#include <dali/public-api/events/touch-event.h>
-#include <dali/public-api/object/type-registry.h>
-#include <dali/public-api/object/property-notification.h>
-#include <dali/integration-api/debug.h>
-
-// INTERNAL INCLUDES
-#include <dali-toolkit/internal/controls/text-view/text-processor.h>
-#include <dali-toolkit/public-api/controls/buttons/push-button.h>
-#include <dali-toolkit/public-api/controls/alignment/alignment.h>
-#include <dali-toolkit/public-api/controls/default-controls/solid-color-actor.h>
-
-using namespace Dali;
-
-// Local Data
-namespace
-{
-
-#if defined(DEBUG_ENABLED)
-Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, false, "LOG_TEXT_INPUT");
-#endif
-
-const std::size_t DEFAULT_MAX_SIZE( std::numeric_limits<std::size_t>::max() ); // Max possible number
-const std::size_t DEFAULT_NUMBER_OF_LINES_LIMIT( std::numeric_limits<std::size_t>::max() ); // Max possible number
-const Vector3 DEFAULT_SELECTION_HANDLE_SIZE( 51.0f, 79.0f, 0.0f ); // Selection cursor image size
-const Vector3 DEFAULT_GRAB_HANDLE_RELATIVE_SIZE( 1.5f, 2.0f, 1.0f );
-const Vector3 DEFAULT_SELECTION_HANDLE_RELATIVE_SIZE( 1.5f, 1.5f, 1.0f );
-const Vector4 LIGHTBLUE( 0.07f, 0.41f, 0.59f, 1.0f ); // Used for Selection highlight
-
-const char* DEFAULT_GRAB_HANDLE( DALI_IMAGE_DIR "insertpoint-icon.png" );
-const char* DEFAULT_SELECTION_HANDLE_ONE( DALI_IMAGE_DIR "text-input-selection-handle-left.png" );
-const char* DEFAULT_SELECTION_HANDLE_TWO( DALI_IMAGE_DIR "text-input-selection-handle-right.png" );
-const char* DEFAULT_SELECTION_HANDLE_ONE_PRESSED( DALI_IMAGE_DIR "text-input-selection-handle-left-press.png" );
-const char* DEFAULT_SELECTION_HANDLE_TWO_PRESSED( DALI_IMAGE_DIR "text-input-selection-handle-right-press.png" );
-
-const std::size_t CURSOR_BLINK_INTERVAL = 500; ///< Cursor blink interval
-const float CHARACTER_THRESHOLD( 2.5f ); ///< the threshold of a line.
-const float DISPLAYED_HIGHLIGHT_Z_OFFSET( 0.1f ); ///< 1. Highlight rendered (z-offset).
-const float DISPLAYED_TEXT_VIEW_Z_OFFSET( 0.2f ); ///< 2. Text rendered (z-offset).
-const float UI_Z_OFFSET( 0.2f ); ///< 3. Text Selection Handles/Cursor z-offset.
-
-const Vector3 UI_OFFSET(0.0f, 0.0f, UI_Z_OFFSET); ///< Text Selection Handles/Cursor offset.
-const Vector3 DEFAULT_HANDLE_ONE_OFFSET(0.0f, -5.0f, 0.0f); ///< Handle One's Offset
-const Vector3 DEFAULT_HANDLE_TWO_OFFSET(0.0f, -5.0f, 0.0f); ///< Handle Two's Offset
-const float TOP_HANDLE_TOP_OFFSET( 34.0f); ///< Offset between top handle and cutCopyPaste pop-up
-const float BOTTOM_HANDLE_BOTTOM_OFFSET(34.0f); ///< Offset between bottom handle and cutCopyPaste pop-up
-const float CURSOR_THICKNESS(4.0f);
-const Degree CURSOR_ANGLE_OFFSET(2.0f); ///< Offset from the angle of italic angle.
-const Vector4 DEFAULT_CURSOR_COLOR(1.0f, 1.0f, 1.0f, 1.0f);
-
-const std::string NEWLINE( "\n" );
-
-const TextStyle DEFAULT_TEXT_STYLE;
-
-const unsigned int SCROLL_TICK_INTERVAL = 50u;
-const float SCROLL_THRESHOLD = 10.f;
-const float SCROLL_SPEED = 15.f;
-
-/**
- * Selection state enumeration (FSM)
- */
-enum SelectionState
-{
- SelectionNone, ///< Currently not encountered selected section.
- SelectionStarted, ///< Encountered selected section
- SelectionFinished ///< Finished selected section
-};
-
-std::size_t FindVisibleCharacterLeft( std::size_t cursorPosition, const Toolkit::TextView::CharacterLayoutInfoContainer& characterLayoutInfoTable )
-{
- for( Toolkit::TextView::CharacterLayoutInfoContainer::const_reverse_iterator it = characterLayoutInfoTable.rbegin() + characterLayoutInfoTable.size() - cursorPosition, endIt = characterLayoutInfoTable.rend();
- it != endIt;
- ++it )
- {
- if( ( *it ).mIsVisible )
- {
- return --cursorPosition;
- }
-
- --cursorPosition;
- }
-
- return 0u;
-}
-
-std::size_t FindVisibleCharacterRight( std::size_t cursorPosition, const Toolkit::TextView::CharacterLayoutInfoContainer& characterLayoutInfoTable )
-{
- for( Toolkit::TextView::CharacterLayoutInfoContainer::const_iterator it = characterLayoutInfoTable.begin() + cursorPosition, endIt = characterLayoutInfoTable.end(); it < endIt; ++it )
- {
- if( ( *it ).mIsVisible )
- {
- return cursorPosition;
- }
-
- ++cursorPosition;
- }
-
- return cursorPosition;
-}
-
-/**
- * Whether the given position plus the cursor size offset is inside the given boundary.
- *
- * @param[in] position The given position.
- * @param[in] cursorSize The cursor size.
- * @param[in] controlSize The given boundary.
- *
- * @return whether the given position is inside the given boundary.
- */
-bool IsPositionInsideBoundaries( const Vector3& position, const Size& cursorSize, const Vector3& controlSize )
-{
- return ( position.x >= -Math::MACHINE_EPSILON_1000 ) &&
- ( position.x <= controlSize.width + Math::MACHINE_EPSILON_1000 ) &&
- ( position.y - cursorSize.height >= -Math::MACHINE_EPSILON_1000 ) &&
- ( position.y <= controlSize.height + Math::MACHINE_EPSILON_1000 );
-}
-
-/**
- * Splits a text in two halves.
- *
- * If the text's number of characters is odd, firstHalf has one more character.
- *
- * @param[in] text The text to be split.
- * @param[out] firstHalf The first half of the text.
- * @param[out] secondHalf The second half of the text.
- */
-void SplitText( const Toolkit::MarkupProcessor::StyledTextArray& text,
- Toolkit::MarkupProcessor::StyledTextArray& firstHalf,
- Toolkit::MarkupProcessor::StyledTextArray& secondHalf )
-{
- firstHalf.clear();
- secondHalf.clear();
-
- const std::size_t textLength = text.size();
- const std::size_t half = ( textLength / 2 ) + ( textLength % 2 );
-
- firstHalf.insert( firstHalf.end(), text.begin(), text.begin() + half );
- secondHalf.insert( secondHalf.end(), text.begin() + half, text.end() );
-}
-
-} // end of namespace
-
-namespace Dali
-{
-
-namespace Toolkit
-{
-// Properties
-const Property::Index TextInput::HIGHLIGHT_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX;
-const Property::Index TextInput::CUT_AND_PASTE_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+1;
-const Property::Index TextInput::CUT_AND_PASTE_PRESSED_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+2;
-const Property::Index TextInput::CUT_AND_PASTE_BORDER_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+3;
-const Property::Index TextInput::CUT_AND_PASTE_ICON_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+4;
-const Property::Index TextInput::CUT_AND_PASTE_ICON_PRESSED_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+5;
-const Property::Index TextInput::CUT_AND_PASTE_TEXT_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+6;
-const Property::Index TextInput::CUT_AND_PASTE_TEXT_PRESSED_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+7;
-const Property::Index TextInput::CUT_BUTTON_POSITION_PRIORITY_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+8;
-const Property::Index TextInput::COPY_BUTTON_POSITION_PRIORITY_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+9;
-const Property::Index TextInput::PASTE_BUTTON_POSITION_PRIORITY_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+10;
-const Property::Index TextInput::SELECT_BUTTON_POSITION_PRIORITY_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+11;
-const Property::Index TextInput::SELECT_ALL_BUTTON_POSITION_PRIORITY_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+12;
-const Property::Index TextInput::CLIPBOARD_BUTTON_POSITION_PRIORITY_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+13;
-const Property::Index TextInput::POP_UP_OFFSET_FROM_TEXT_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+14;
-const Property::Index TextInput::CURSOR_COLOR_PROPERTY = Internal::TextInput::TEXTINPUT_PROPERTY_START_INDEX+15;
-
-
-namespace Internal
-{
-
-namespace
-{
-
-BaseHandle Create()
-{
- return Toolkit::TextInput::New();
-}
-
-TypeRegistration typeRegistration( typeid(Toolkit::TextInput), typeid(Toolkit::Control), Create );
-
-SignalConnectorType signalConnector1( typeRegistration, Toolkit::TextInput::SIGNAL_START_INPUT, &TextInput::DoConnectSignal );
-SignalConnectorType signalConnector2( typeRegistration, Toolkit::TextInput::SIGNAL_END_INPUT, &TextInput::DoConnectSignal );
-SignalConnectorType signalConnector3( typeRegistration, Toolkit::TextInput::SIGNAL_STYLE_CHANGED, &TextInput::DoConnectSignal );
-SignalConnectorType signalConnector4( typeRegistration, Toolkit::TextInput::SIGNAL_MAX_INPUT_CHARACTERS_REACHED, &TextInput::DoConnectSignal );
-SignalConnectorType signalConnector5( typeRegistration, Toolkit::TextInput::SIGNAL_TOOLBAR_DISPLAYED, &TextInput::DoConnectSignal );
-SignalConnectorType signalConnector6( typeRegistration, Toolkit::TextInput::SIGNAL_TEXT_EXCEED_BOUNDARIES, &TextInput::DoConnectSignal );
-
-}
-
-PropertyRegistration property1( typeRegistration, "highlight-color", Toolkit::TextInput::HIGHLIGHT_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
-PropertyRegistration property2( typeRegistration, "cut-and-paste-bg-color", Toolkit::TextInput::CUT_AND_PASTE_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
-PropertyRegistration property3( typeRegistration, "cut-and-paste-pressed-color", Toolkit::TextInput::CUT_AND_PASTE_PRESSED_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
-PropertyRegistration property4( typeRegistration, "cut-and-paste-icon-color", Toolkit::TextInput::CUT_AND_PASTE_ICON_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
-PropertyRegistration property5( typeRegistration, "cut-and-paste-icon-pressed-color", Toolkit::TextInput::CUT_AND_PASTE_ICON_PRESSED_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
-PropertyRegistration property6( typeRegistration, "cut-and-paste-text-color", Toolkit::TextInput::CUT_AND_PASTE_TEXT_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
-PropertyRegistration property7( typeRegistration, "cut-and-paste-text-pressed-color", Toolkit::TextInput::CUT_AND_PASTE_TEXT_PRESSED_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
-PropertyRegistration property8( typeRegistration, "cut-and-paste-border-color", Toolkit::TextInput::CUT_AND_PASTE_BORDER_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
-PropertyRegistration property9( typeRegistration, "cut-button-position-priority", Toolkit::TextInput::CUT_BUTTON_POSITION_PRIORITY_PROPERTY, Property::UNSIGNED_INTEGER, &TextInput::SetProperty, &TextInput::GetProperty );
-PropertyRegistration property10( typeRegistration, "copy-button-position-priority", Toolkit::TextInput::COPY_BUTTON_POSITION_PRIORITY_PROPERTY, Property::UNSIGNED_INTEGER, &TextInput::SetProperty, &TextInput::GetProperty );
-PropertyRegistration property11( typeRegistration, "paste-button-position-priority", Toolkit::TextInput::PASTE_BUTTON_POSITION_PRIORITY_PROPERTY, Property::UNSIGNED_INTEGER, &TextInput::SetProperty, &TextInput::GetProperty );
-PropertyRegistration property12( typeRegistration, "select-button-position-priority", Toolkit::TextInput::SELECT_BUTTON_POSITION_PRIORITY_PROPERTY, Property::UNSIGNED_INTEGER, &TextInput::SetProperty, &TextInput::GetProperty );
-PropertyRegistration property13( typeRegistration, "select-all-button-position-priority", Toolkit::TextInput::SELECT_ALL_BUTTON_POSITION_PRIORITY_PROPERTY, Property::UNSIGNED_INTEGER, &TextInput::SetProperty, &TextInput::GetProperty );
-PropertyRegistration property14( typeRegistration, "clipboard-button-position-priority", Toolkit::TextInput::CLIPBOARD_BUTTON_POSITION_PRIORITY_PROPERTY, Property::UNSIGNED_INTEGER, &TextInput::SetProperty, &TextInput::GetProperty );
-PropertyRegistration property15( typeRegistration, "popup-offset-from-text", Toolkit::TextInput::POP_UP_OFFSET_FROM_TEXT_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
-PropertyRegistration property16( typeRegistration, "cursor-color", Toolkit::TextInput::CURSOR_COLOR_PROPERTY, Property::VECTOR4, &TextInput::SetProperty, &TextInput::GetProperty );
-
-
-// [TextInput::HighlightInfo] /////////////////////////////////////////////////
-
-void TextInput::HighlightInfo::AddQuad( float x1, float y1, float x2, float y2 )
-{
- QuadCoordinates quad(x1, y1, x2, y2);
- mQuadList.push_back( quad );
-}
-
-void TextInput::HighlightInfo::Clamp2D(const Vector2& min, const Vector2& max)
-{
- for(std::size_t i = 0;i < mQuadList.size(); i++)
- {
- QuadCoordinates& quad = mQuadList[i];
-
- quad.min.Clamp(min, max);
- quad.max.Clamp(min, max);
- } // end for
-}
-
-// [TextInput] ////////////////////////////////////////////////////////////////
-
-Dali::Toolkit::TextInput TextInput::New()
-{
- // Create the implementation
- TextInputPtr textInput(new TextInput());
- // Pass ownership to CustomActor via derived handle
- Dali::Toolkit::TextInput handle(*textInput);
- handle.SetName( "TextInput");
-
- textInput->Initialize();
- return handle;
-}
-
-TextInput::TextInput()
-:Control( ControlBehaviour( REQUIRES_TOUCH_EVENTS | REQUIRES_STYLE_CHANGE_SIGNALS ) ),
- mState( StateEdit ),
- mStyledText(),
- mInputStyle(),
- mLineHeight( 0.f ),
- mDisplayedTextView(),
- mStyledPlaceHolderText(),
- mMaxStringLength( DEFAULT_MAX_SIZE ),
- mNumberOflinesLimit( DEFAULT_NUMBER_OF_LINES_LIMIT ),
- mCursorPosition( 0 ),
- mActualGrabHandlePosition( 0.0f, 0.0f, 0.0f ),
- mIsSelectionHandleOneFlipped( false ),
- mIsSelectionHandleTwoFlipped( false ),
- mSelectionHandleOneOffset( DEFAULT_HANDLE_ONE_OFFSET ),
- mSelectionHandleTwoOffset( DEFAULT_HANDLE_TWO_OFFSET ),
- mSelectionHandleOneActualPosition( 0.0f, 0.0f , 0.0f ),
- mSelectionHandleTwoActualPosition( 0.0f, 0.0f , 0.0f ),
- mSelectionHandleOnePosition( 0 ),
- mSelectionHandleTwoPosition( 0 ),
- mPreEditString(),
- mPreEditStartPosition( 0 ),
- mPreEditLength ( 0 ),
- mNumberOfSurroundingCharactersDeleted( 0 ),
- mTouchStartTime( 0 ),
- mTextLayoutInfo(),
- mCurrentCopySelecton(),
- mPopupPanel(),
- mScrollTimer(),
- mScrollDisplacement(),
- mCurrentHandlePosition(),
- mCurrentSelectionId(),
- mCurrentSelectionHandlePosition(),
- mRequestedSelection( 0, 0 ),
- mSelectionHandleFlipMargin( 0.0f, 0.0f, 0.0f, 0.0f ),
- mBoundingRectangleWorldCoordinates( 0.0f, 0.0f, 0.0f, 0.0f ),
- mClipboard(),
- mMaterialColor( LIGHTBLUE ),
- mPopupOffsetFromText ( Vector4( 0.0f, TOP_HANDLE_TOP_OFFSET, 0.0f, BOTTOM_HANDLE_BOTTOM_OFFSET ) ),
- mOverrideAutomaticAlignment( false ),
- mCursorRTLEnabled( false ),
- mClosestCursorPositionEOL ( false ),
- mCursorBlinkStatus( true ),
- mCursorVisibility( false ),
- mGrabHandleVisibility( false ),
- mIsCursorInScrollArea( true ),
- mIsGrabHandleInScrollArea( true ),
- mEditModeActive( false ),
- mEditOnTouch( true ),
- mTextSelection( true ),
- mExceedEnabled( true ),
- mGrabHandleEnabled( true ),
- mIsSelectionHandleFlipEnabled( true ),
- mPreEditFlag( false ),
- mIgnoreCommitFlag( false ),
- mIgnoreFirstCommitFlag( false ),
- mSelectingText( false ),
- mPreserveCursorPosition( false ),
- mSelectTextOnCommit( false ),
- mUnderlinedPriorToPreEdit ( false ),
- mCommitByKeyInput( false ),
- mPlaceHolderSet( false ),
- mMarkUpEnabled( false )
-{
- // Updates the line height accordingly with the input style.
- UpdateLineHeight();
-}
-
-TextInput::~TextInput()
-{
- StopCursorBlinkTimer();
-}
-
-// Public
-
-std::string TextInput::GetText() const
-{
- std::string text;
-
- // Return text-view's text only if the text-input's text is not empty
- // in order to not to return the placeholder text.
- if( !mStyledText.empty() )
- {
- text = mDisplayedTextView.GetText();
- }
-
- return text;
-}
-
-std::string TextInput::GetMarkupText() const
-{
- std::string markupString;
- MarkupProcessor::GetMarkupString( mStyledText, markupString );
-
- return markupString;
-}
-
-void TextInput::ShowPlaceholderText( const MarkupProcessor::StyledTextArray& stylePlaceHolderText )
-{
- mDisplayedTextView.SetText( stylePlaceHolderText );
- mPlaceHolderSet = true;
- mDisplayedTextView.SetScrollPosition( Vector2( 0.0f,0.0f ) );
-}
-
-void TextInput::SetPlaceholderText( const std::string& placeHolderText )
-{
- // Get the placeholder styled text array from the markup string.
- MarkupProcessor::GetStyledTextArray( placeHolderText, mStyledPlaceHolderText, IsMarkupProcessingEnabled() );
- if( mStyledText.empty() )
- {
- ShowPlaceholderText( mStyledPlaceHolderText );
- }
-}
-
-std::string TextInput::GetPlaceholderText()
-{
- // Traverses the styled placeholder array getting only the text.
- // Note that for some languages a 'character' could be represented by more than one 'char'
-
- std::string placeholderText;
- for( MarkupProcessor::StyledTextArray::const_iterator it = mStyledPlaceHolderText.begin(), endIt = mStyledPlaceHolderText.end(); it != endIt; ++it )
- {
- placeholderText.append( (*it).mText.GetText() );
- }
-
- return placeholderText ;
-}
-
-void TextInput::SetInitialText(const std::string& initialText)
-{
- DALI_LOG_INFO(gLogFilter, Debug::General, "SetInitialText string[%s]\n", initialText.c_str() );
-
- if ( mPreEditFlag ) // If in the pre-edit state and text is being set then discard text being inserted.
- {
- mPreEditFlag = false;
- mIgnoreCommitFlag = true;
- }
-
- SetText( initialText );
- PreEditReset( false ); // Reset keyboard as text changed
-}
-
-void TextInput::SetText(const std::string& initialText)
-{
- DALI_LOG_INFO(gLogFilter, Debug::General, "SetText string[%s]\n", initialText.c_str() );
-
- GetStyledTextArray( initialText, mStyledText, IsMarkupProcessingEnabled() );
-
- if( mStyledText.empty() )
- {
- ShowPlaceholderText( mStyledPlaceHolderText );
- }
- else
- {
- mDisplayedTextView.SetText( mStyledText );
- mPlaceHolderSet = false;
- }
-
- GetTextLayoutInfo();
-
- mCursorPosition = mTextLayoutInfo.mCharacterLayoutInfoTable.size();
-
- ImfManager imfManager = ImfManager::Get();
- if ( imfManager )
- {
- imfManager.SetCursorPosition( mCursorPosition );
- imfManager.SetSurroundingText( initialText );
- imfManager.NotifyCursorPosition();
- }
-
- if( IsScrollEnabled() )
- {
- ScrollTextViewToMakeCursorVisible( Vector3( mTextLayoutInfo.mScrollOffset.x, mTextLayoutInfo.mScrollOffset.y, 0.f ) );
- }
-
- ShowGrabHandleAndSetVisibility( false );
-
- RemoveHighlight();
-
- DrawCursor();
-
- EmitTextModified();
-}
-
-void TextInput::SetText( const MarkupProcessor::StyledTextArray& styleText )
-{
- DALI_LOG_INFO(gLogFilter, Debug::General, "SetText markup text\n" );
-
- mDisplayedTextView.SetText( styleText );
- mPlaceHolderSet = false;
-
- // If text alignment hasn't been manually set by application developer, then we
- // automatically determine the alignment based on the content of the text i.e. what
- // language the text begins with.
- // TODO: This should determine different alignments for each line (broken by '\n') of text.
- if(!mOverrideAutomaticAlignment)
- {
- // Determine bidi direction of first character (skipping past whitespace, numbers, and symbols)
- bool leftToRight(true);
-
- if( !styleText.empty() )
- {
- bool breakOut(false);
-
- for( MarkupProcessor::StyledTextArray::const_iterator textIter = styleText.begin(), textEndIter = styleText.end(); ( textIter != textEndIter ) && ( !breakOut ); ++textIter )
- {
- const Text& text = textIter->mText;
-
- for( std::size_t i = 0; i < text.GetLength(); ++i )
- {
- Character character( text[i] );
- if( character.GetCharacterDirection() != Character::Neutral )
- {
- leftToRight = ( character.GetCharacterDirection() == Character::LeftToRight );
- breakOut = true;
- break;
- }
- }
- }
- }
-
- // Based on this direction, either left or right align text if not manually set by application developer.
- mDisplayedTextView.SetTextAlignment( static_cast<Toolkit::Alignment::Type>(
- ( leftToRight ? Toolkit::Alignment::HorizontalLeft : Toolkit::Alignment::HorizontalRight) |
- Toolkit::Alignment::VerticalTop ) );
- mDisplayedTextView.SetLineJustification( leftToRight ? Toolkit::TextView::Left : Toolkit::TextView::Right);
- }
-
- EmitTextModified();
-}
-
-void TextInput::SetMaxCharacterLength(std::size_t maxChars)
-{
- mMaxStringLength = maxChars;
-}
-
-void TextInput::SetNumberOfLinesLimit(std::size_t maxLines)
-{
- DALI_ASSERT_DEBUG( maxLines > 0 )
-
- if ( maxLines > 0)
- {
- mNumberOflinesLimit = maxLines;
- }
-}
-
-std::size_t TextInput::GetNumberOfLinesLimit() const
-{
- return mNumberOflinesLimit;
-}
-
-std::size_t TextInput::GetNumberOfCharacters() const
-{
- return mStyledText.size();
-}
-
-// Styling
-void TextInput::SetMaterialDiffuseColor( const Vector4& color )
-{
- mMaterialColor = color;
- if ( mCustomMaterial )
- {
- mCustomMaterial.SetDiffuseColor( mMaterialColor );
- mMeshData.SetMaterial( mCustomMaterial );
- }
-}
-
-const Vector4& TextInput::GetMaterialDiffuseColor() const
-{
- return mMaterialColor;
-}
-
-// Signals
-
-Toolkit::TextInput::InputSignalV2& TextInput::InputStartedSignal()
-{
- return mInputStartedSignalV2;
-}
-
-Toolkit::TextInput::InputSignalV2& TextInput::InputFinishedSignal()
-{
- return mInputFinishedSignalV2;
-}
-
-Toolkit::TextInput::InputSignalV2& TextInput::CutAndPasteToolBarDisplayedSignal()
-{
- return mCutAndPasteToolBarDisplayedV2;
-}
-
-Toolkit::TextInput::StyleChangedSignalV2& TextInput::StyleChangedSignal()
-{
- return mStyleChangedSignalV2;
-}
-
-Toolkit::TextInput::TextModifiedSignalType& TextInput::TextModifiedSignal()
-{
- return mTextModifiedSignal;
-}
-
-Toolkit::TextInput::MaxInputCharactersReachedSignalV2& TextInput::MaxInputCharactersReachedSignal()
-{
- return mMaxInputCharactersReachedSignalV2;
-}
-
-Toolkit::TextInput::InputTextExceedBoundariesSignalV2& TextInput::InputTextExceedBoundariesSignal()
-{
- return mInputTextExceedBoundariesSignalV2;
-}
-
-bool TextInput::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
-{
- Dali::BaseHandle handle( object );
-
- bool connected( true );
- Toolkit::TextInput textInput = Toolkit::TextInput::DownCast(handle);
-
- if( Toolkit::TextInput::SIGNAL_START_INPUT == signalName )
- {
- textInput.InputStartedSignal().Connect( tracker, functor );
- }
- else if( Toolkit::TextInput::SIGNAL_END_INPUT == signalName )
- {
- textInput.InputFinishedSignal().Connect( tracker, functor );
- }
- else if( Toolkit::TextInput::SIGNAL_STYLE_CHANGED == signalName )
- {
- textInput.StyleChangedSignal().Connect( tracker, functor );
- }
- else if( Toolkit::TextInput::SIGNAL_MAX_INPUT_CHARACTERS_REACHED == signalName )
- {
- textInput.MaxInputCharactersReachedSignal().Connect( tracker, functor );
- }
- else if( Toolkit::TextInput::SIGNAL_TEXT_EXCEED_BOUNDARIES == signalName )
- {
- textInput.InputTextExceedBoundariesSignal().Connect( tracker, functor );
- }
- else
- {
- // signalName does not match any signal
- connected = false;
- }
-
- return connected;
-}
-
-void TextInput::SetEditable(bool editMode, bool setCursorOnTouchPoint, const Vector2& touchPoint)
-{
- if(editMode)
- {
- // update line height before calculate the actual position.
- UpdateLineHeight();
-
- if(!mEditModeActive)
- {
- if( setCursorOnTouchPoint )
- {
- // Sets the cursor position for the given touch point.
- ReturnClosestIndex( touchPoint, mCursorPosition );
-
- // Creates the grab handle.
- if( IsGrabHandleEnabled() )
- {
- const Vector3 cursorPosition = GetActualPositionFromCharacterPosition(mCursorPosition);
-
- CreateGrabHandle();
-
- mActualGrabHandlePosition.x = cursorPosition.x; // Set grab handle to be at the cursor position
- mActualGrabHandlePosition.y = cursorPosition.y; // Set grab handle to be at the cursor position
- mGrabHandle.SetPosition( mActualGrabHandlePosition + UI_OFFSET );
- ShowGrabHandleAndSetVisibility( true );
-
- // Scrolls the text-view if needed.
- if( IsScrollEnabled() )
- {
- ScrollTextViewToMakeCursorVisible( cursorPosition );
- }
- }
- }
- else
- {
- mCursorPosition = mStyledText.size(); // Initially set cursor position to end of string.
- }
- }
-
- StartEditMode();
- }
- else
- {
- EndEditMode();
- }
-}
-
-bool TextInput::IsEditable() const
-{
- return mEditModeActive;
-}
-
-void TextInput::SetEditOnTouch( bool editOnTouch )
-{
- mEditOnTouch = editOnTouch;
-}
-
-bool TextInput::IsEditOnTouch() const
-{
- return mEditOnTouch;
-}
-
-void TextInput::SetTextSelectable( bool textSelectable )
-{
- mTextSelection = textSelectable;
-}
-
-bool TextInput::IsTextSelectable() const
-{
- return mTextSelection;
-}
-
-bool TextInput::IsTextSelected() const
-{
- return mHighlightMeshActor;
-}
-
-void TextInput::DeSelectText()
-{
- RemoveHighlight();
- HidePopup();
- CursorUpdate();
-}
-
-void TextInput::SetGrabHandleImage(Dali::Image image )
-{
- if (image)
- {
- CreateGrabHandle(image);
- }
-}
-
-void TextInput::SetCursorImage(Dali::Image image, const Vector4& border )
-{
- DALI_ASSERT_DEBUG ( image && "Create cursor image invalid")
-
- if ( image )
- {
- mCursor.SetImage( image );
- mCursor.SetNinePatchBorder( border );
- }
-}
-
-Vector3 TextInput::GetSelectionHandleSize()
-{
- return DEFAULT_SELECTION_HANDLE_SIZE;
-}
-
-void TextInput::SetRTLCursorImage(Dali::Image image, const Vector4& border )
-{
- DALI_ASSERT_DEBUG ( image && "Create cursor image invalid")
-
- if ( image )
- {
- mCursorRTL.SetImage( image);
- mCursorRTL.SetNinePatchBorder( border );
- }
-}
-
-void TextInput::EnableGrabHandle(bool toggle)
-{
- // enables grab handle with will in turn de-activate magnifier
- mGrabHandleEnabled = toggle;
-}
-
-bool TextInput::IsGrabHandleEnabled()
-{
- // if false then magnifier will be shown instead.
- return mGrabHandleEnabled;
-}
-
-void TextInput::EnableSelectionHandleFlip( bool toggle )
-{
- // Deprecated function. To be removed.
- mIsSelectionHandleFlipEnabled = toggle;
-}
-
-bool TextInput::IsSelectionHandleFlipEnabled()
-{
- // Deprecated function, To be removed. Returns true as handle flipping always enabled by default so handles do not exceed screen.
- return true;
-}
-
-void TextInput::SetSelectionHandleFlipMargin( const Vector4& margin )
-{
- // Deprecated function, now just stores margin for retreival, remove completely once depricated Public API removed.
- Vector3 textInputSize = mDisplayedTextView.GetCurrentSize();
- const Vector4 flipBoundary( -margin.x, -margin.y, textInputSize.width + margin.z, textInputSize.height + margin.w );
-
- mSelectionHandleFlipMargin = margin;
-}
-
-void TextInput::SetBoundingRectangle( const Rect<float>& boundingRectangle )
-{
- // Convert to world coordinates and store as a Vector4 to be compatiable with Property Notifications.
- Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
-
- const float originX = boundingRectangle.x - 0.5f * stageSize.width;
- const float originY = boundingRectangle.y - 0.5f * stageSize.height;
-
- const Vector4 boundary( originX,
- originY,
- originX + boundingRectangle.width,
- originY + boundingRectangle.height );
-
- mBoundingRectangleWorldCoordinates = boundary;
-}
-
-const Rect<float> TextInput::GetBoundingRectangle() const
-{
- Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
-
- const float originX = mBoundingRectangleWorldCoordinates.x + 0.5f * stageSize.width;
- const float originY = mBoundingRectangleWorldCoordinates.y + 0.5f * stageSize.height;
-
- Rect<float>boundingRect( originX, originY, mBoundingRectangleWorldCoordinates.z - mBoundingRectangleWorldCoordinates.x, mBoundingRectangleWorldCoordinates.w - mBoundingRectangleWorldCoordinates.y);
-
- return boundingRect;
-}
-
-const Vector4& TextInput::GetSelectionHandleFlipMargin()
-{
- return mSelectionHandleFlipMargin;
-}
-
-void TextInput::SetTextColor( const Vector4& color )
-{
- mDisplayedTextView.SetColor( color );
-}
-
-void TextInput::SetActiveStyle( const TextStyle& style, const TextStyle::Mask mask )
-{
- if( style != mInputStyle )
- {
- // different style.
- bool emitSignal = false;
-
- // mask: modify style according to mask, if different emit signal.
- const TextStyle oldInputStyle( mInputStyle );
-
- // Copy the new style.
- mInputStyle.Copy( style, mask );
-
- // if style has changed, emit signal.
- if( oldInputStyle != mInputStyle )
- {
- emitSignal = true;
- }
-
- // Updates the line height accordingly with the input style.
- UpdateLineHeight();
-
- // Changing font point size will require the cursor to be re-sized
- DrawCursor();
-
- if( emitSignal )
- {
- EmitStyleChangedSignal();
- }
- }
-}
-
-void TextInput::ApplyStyle( const TextStyle& style, const TextStyle::Mask mask )
-{
- if ( IsTextSelected() )
- {
- const std::size_t begin = std::min(mSelectionHandleOnePosition, mSelectionHandleTwoPosition);
- const std::size_t end = std::max(mSelectionHandleOnePosition, mSelectionHandleTwoPosition) - 1;
-
- if( !mTextLayoutInfo.mCharacterLogicalToVisualMap.empty() )
- {
- ApplyStyleToRange(style, mask, mTextLayoutInfo.mCharacterLogicalToVisualMap[begin], mTextLayoutInfo.mCharacterLogicalToVisualMap[end]);
- }
-
- // Keeps the old style to be compared with the new one.
- const TextStyle oldInputStyle( mInputStyle );
-
- // Copy only those parameters from the style which are set in the mask.
- mInputStyle.Copy( style, mask );
-
- if( mInputStyle != oldInputStyle )
- {
- // Updates the line height accordingly with the input style.
- UpdateLineHeight();
-
- EmitStyleChangedSignal();
- }
- }
-}
-
-void TextInput::ApplyStyleToAll( const TextStyle& style, const TextStyle::Mask mask )
-{
- if( !mStyledText.empty() )
- {
- ApplyStyleToRange( style, mask, 0, mStyledText.size() - 1 );
- }
-}
-
-TextStyle TextInput::GetStyleAtCursor() const
-{
- TextStyle style;
-
- if ( !mStyledText.empty() && ( mCursorPosition > 0 ) )
- {
- DALI_ASSERT_DEBUG( ( 0 <= mCursorPosition-1 ) && ( mCursorPosition-1 < mStyledText.size() ) );
- style = mStyledText.at( mCursorPosition-1 ).mStyle;
- }
- else // No text.
- {
- style = mInputStyle;
-
- if ( mInputStyle.GetFontPointSize() < Math::MACHINE_EPSILON_1000 )
- {
- Dali::Font defaultFont = Dali::Font::New();
- style.SetFontPointSize( PointSize( defaultFont.GetPointSize()) );
- }
- }
-
- return style;
-}
-
-TextStyle TextInput::GetStyleAt( std::size_t position ) const
-{
- DALI_ASSERT_DEBUG( ( 0 <= position ) && ( position <= mStyledText.size() ) );
-
- if( position >= mStyledText.size() )
- {
- position = mStyledText.size() - 1;
- }
-
- return mStyledText.at( position ).mStyle;
-}
-
-void TextInput::SetTextAlignment( Toolkit::Alignment::Type align )
-{
- mDisplayedTextView.SetTextAlignment( align );
- mOverrideAutomaticAlignment = true;
-}
-
-void TextInput::SetTextLineJustification( Toolkit::TextView::LineJustification justification )
-{
- mDisplayedTextView.SetLineJustification( justification );
- mOverrideAutomaticAlignment = true;
-}
-
-void TextInput::SetFadeBoundary( const Toolkit::TextView::FadeBoundary& fadeBoundary )
-{
- mDisplayedTextView.SetFadeBoundary( fadeBoundary );
-}
-
-const Toolkit::TextView::FadeBoundary& TextInput::GetFadeBoundary() const
-{
- return mDisplayedTextView.GetFadeBoundary();
-}
-
-Toolkit::Alignment::Type TextInput::GetTextAlignment() const
-{
- return mDisplayedTextView.GetTextAlignment();
-}
-
-void TextInput::SetMultilinePolicy( Toolkit::TextView::MultilinePolicy policy )
-{
- mDisplayedTextView.SetMultilinePolicy( policy );
-}
-
-Toolkit::TextView::MultilinePolicy TextInput::GetMultilinePolicy() const
-{
- return mDisplayedTextView.GetMultilinePolicy();
-}
-
-void TextInput::SetWidthExceedPolicy( Toolkit::TextView::ExceedPolicy policy )
-{
- mDisplayedTextView.SetWidthExceedPolicy( policy );
-}
-
-Toolkit::TextView::ExceedPolicy TextInput::GetWidthExceedPolicy() const
-{
- return mDisplayedTextView.GetWidthExceedPolicy();
-}
-
-void TextInput::SetHeightExceedPolicy( Toolkit::TextView::ExceedPolicy policy )
-{
- mDisplayedTextView.SetHeightExceedPolicy( policy );
-}
-
-Toolkit::TextView::ExceedPolicy TextInput::GetHeightExceedPolicy() const
-{
- return mDisplayedTextView.GetHeightExceedPolicy();
-}
-
-void TextInput::SetExceedEnabled( bool enable )
-{
- mExceedEnabled = enable;
-}
-
-bool TextInput::GetExceedEnabled() const
-{
- return mExceedEnabled;
-}
-
-void TextInput::SetBackground(Dali::Image image )
-{
- // TODO Should add this function and add public api to match.
-}
-
-bool TextInput::OnTouchEvent(const TouchEvent& event)
-{
- return false;
-}
-
-bool TextInput::OnKeyEvent(const KeyEvent& event)
-{
- switch( event.state )
- {
- case KeyEvent::Down:
- {
- return OnKeyDownEvent(event);
- }
- break;
-
- case KeyEvent::Up:
- {
- return OnKeyUpEvent(event);
- }
- break;
-
- default:
- {
- return false;
- }
- break;
- }
-}
-
-void TextInput::OnKeyInputFocusGained()
-{
- DALI_LOG_INFO(gLogFilter, Debug::General, ">>OnKeyInputFocusGained\n" );
-
- mEditModeActive = true;
-
- mActiveLayer.RaiseToTop(); // Ensure layer holding handles is on top
-
- mInputStyle = GetStyleAtCursor(); // Inherit style from cursor position
-
- // Updates the line height accordingly with the input style.
- UpdateLineHeight();
-
- // Connect the signals to use in text input.
- VirtualKeyboard::StatusChangedSignal().Connect( this, &TextInput::KeyboardStatusChanged );
- VirtualKeyboard::LanguageChangedSignal().Connect( this, &TextInput::SetTextDirection );
-
- // Set the text direction if empty and connect to the signal to ensure we change direction when the language changes.
- SetTextDirection();
-
- GetTextLayoutInfo();
-
- DrawCursor();
- SetCursorVisibility( true );
- StartCursorBlinkTimer();
-
- Toolkit::TextInput handle( GetOwner() );
- mInputStartedSignalV2.Emit( handle );
-
- ImfManager imfManager = ImfManager::Get();
-
- if ( imfManager )
- {
- imfManager.EventReceivedSignal().Connect(this, &TextInput::ImfEventReceived);
-
- // Notify that the text editing start.
- imfManager.Activate();
-
- // When window gain lost focus, the imf manager is deactivated. Thus when window gain focus again, the imf manager must be activated.
- imfManager.SetRestoreAfterFocusLost( true );
-
- imfManager.SetCursorPosition( mCursorPosition );
- imfManager.NotifyCursorPosition();
- }
-
- mClipboard = Clipboard::Get(); // Store handle to clipboard
-
- // Now in edit mode we can accept string to paste from clipboard
- ClipboardEventNotifier notifier( ClipboardEventNotifier::Get() );
- if ( notifier )
- {
- notifier.ContentSelectedSignal().Connect( this, &TextInput::OnClipboardTextSelected );
- }
-}
-
-void TextInput::OnKeyInputFocusLost()
-{
- DALI_LOG_INFO(gLogFilter, Debug::General, ">>OnKeyInputFocusLost\n" );
-
- if( mPreEditFlag )
- {
- // If key input focus is lost, it removes the
- // underline from the last pre-edit text.
- RemovePreEditStyle();
- const std::size_t numberOfCharactersDeleted = DeletePreEdit();
- InsertAt( mPreEditString, mPreEditStartPosition, numberOfCharactersDeleted );
- EmitTextModified();
- }
-
- ImfManager imfManager = ImfManager::Get();
- if ( imfManager )
- {
- // The text editing is finished. Therefore the imf manager don't have restore activation.
- imfManager.SetRestoreAfterFocusLost( false );
-
- // Notify that the text editing finish.
- imfManager.Deactivate();
-
- imfManager.EventReceivedSignal().Disconnect(this, &TextInput::ImfEventReceived);
- }
- // Disconnect signal used the text input.
- VirtualKeyboard::LanguageChangedSignal().Disconnect( this, &TextInput::SetTextDirection );
-
- Toolkit::TextInput handle( GetOwner() );
- mInputFinishedSignalV2.Emit( handle );
- mEditModeActive = false;
- mPreEditFlag = false;
- RemoveHighlight();
- SetCursorVisibility( false );
- StopCursorBlinkTimer();
-
- ShowGrabHandleAndSetVisibility( false );
-
- mClipboard.Reset();
- // No longer in edit mode so do not want to receive string from clipboard
- ClipboardEventNotifier notifier( ClipboardEventNotifier::Get() );
- if ( notifier )
- {
- notifier.ContentSelectedSignal().Disconnect( this, &TextInput::OnClipboardTextSelected );
- }
-
- Clipboard clipboard = Clipboard::Get();
- if ( clipboard )
- {
- clipboard.HideClipboard();
- }
-}
-
-void TextInput::OnControlStageConnection()
-{
- Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
-
- if ( mBoundingRectangleWorldCoordinates == Vector4::ZERO )
- {
- SetBoundingRectangle( Rect<float>( 0.0f, 0.0f, stageSize.width, stageSize.height ));
- }
-}
-
-void TextInput::CreateActiveLayer()
-{
- Actor self = Self();
- mActiveLayer = Layer::New();
- mActiveLayer.SetName ( "ActiveLayerActor" );
-
- mActiveLayer.SetAnchorPoint( AnchorPoint::CENTER);
- mActiveLayer.SetParentOrigin( ParentOrigin::CENTER);
- mActiveLayer.SetPositionInheritanceMode( USE_PARENT_POSITION );
-
- self.Add( mActiveLayer );
- mActiveLayer.RaiseToTop();
-}
-
-void TextInput::OnInitialize()
-{
- CreateTextViewActor();
-
- SetUpTouchEvents();
-
- // Create 2 cursors (standard LTR and RTL cursor for when text can be added at
- // different positions depending on language)
- mCursor = CreateCursor(DEFAULT_CURSOR_COLOR);
- mCursorRTL = CreateCursor(DEFAULT_CURSOR_COLOR);
-
- Actor self = Self();
- self.Add( mCursor );
- self.Add( mCursorRTL );
-
- mCursorVisibility = false;
-
- CreateActiveLayer(); // todo move this so layer only created when needed.
-
- // Assign names to image actors
- mCursor.SetName("mainCursor");
- mCursorRTL.SetName("rtlCursor");
-}
-
-void TextInput::OnControlSizeSet(const Vector3& targetSize)
-{
- mDisplayedTextView.SetSize( targetSize );
- GetTextLayoutInfo();
- mActiveLayer.SetSize(targetSize);
-}
-
-void TextInput::OnRelaidOut( Vector2 size, ActorSizeContainer& container )
-{
- Relayout( mDisplayedTextView, size, container );
- Relayout( mPopupPanel.GetRootActor(), size, container );
-
- GetTextLayoutInfo();
-
- DrawCursor();
-}
-
-Vector3 TextInput::GetNaturalSize()
-{
- Vector3 naturalSize = mDisplayedTextView.GetNaturalSize();
-
- if( mEditModeActive && ( Vector3::ZERO == naturalSize ) )
- {
- // If the natural is zero, it means there is no text. Let's return the cursor height as the natural height.
- naturalSize.height = mLineHeight;
- }
-
- return naturalSize;
-}
-
-float TextInput::GetHeightForWidth( float width )
-{
- float height = mDisplayedTextView.GetHeightForWidth( width );
-
- if( mEditModeActive && ( fabsf( height ) < Math::MACHINE_EPSILON_1000 ) )
- {
- // If the height is zero, it means there is no text. Let's return the cursor height.
- height = mLineHeight;
- }
-
- return height;
-}
-
-/*end of Virtual methods from parent*/
-
-// Private Internal methods
-
-void TextInput::OnHandlePan(Actor actor, const PanGesture& gesture)
-{
- switch (gesture.state)
- {
- case Gesture::Started:
- // fall through so code not duplicated
- case Gesture::Continuing:
- {
- if (actor == mGrabArea)
- {
- SetCursorVisibility( true );
- ShowGrabHandle( mGrabHandleVisibility && mIsGrabHandleInScrollArea );
- MoveGrabHandle( gesture.displacement );
- HidePopup(); // Do not show popup whilst handle is moving
- }
- else if (actor == mHandleOneGrabArea)
- {
- // the displacement in PanGesture is affected by the actor's rotation.
- mSelectionHandleOneActualPosition.x += gesture.displacement.x * mSelectionHandleOne.GetCurrentScale().x;
- mSelectionHandleOneActualPosition.y += gesture.displacement.y * mSelectionHandleOne.GetCurrentScale().y;
-
- MoveSelectionHandle( HandleOne, gesture.displacement );
-
- mState = StateDraggingHandle;
- HidePopup();
- }
- else if (actor == mHandleTwoGrabArea)
- {
- // the displacement in PanGesture is affected by the actor's rotation.
- mSelectionHandleTwoActualPosition.x += gesture.displacement.x * mSelectionHandleTwo.GetCurrentScale().x;
- mSelectionHandleTwoActualPosition.y += gesture.displacement.y * mSelectionHandleTwo.GetCurrentScale().y;
-
- MoveSelectionHandle( HandleTwo, gesture.displacement );
-
- mState = StateDraggingHandle;
- HidePopup();
- }
- }
- break;
-
- case Gesture::Finished:
- {
- // Revert back to non-pressed selection handle images
- if (actor == mGrabArea)
- {
- mActualGrabHandlePosition = MoveGrabHandle( gesture.displacement );
- SetCursorVisibility( true );
- SetUpPopupSelection();
- ShowPopup();
- }
- if (actor == mHandleOneGrabArea)
- {
- // the displacement in PanGesture is affected by the actor's rotation.
- mSelectionHandleOneActualPosition.x += gesture.displacement.x * mSelectionHandleOne.GetCurrentScale().x;
- mSelectionHandleOneActualPosition.y += gesture.displacement.y * mSelectionHandleOne.GetCurrentScale().y;
-
- mSelectionHandleOneActualPosition = MoveSelectionHandle( HandleOne, gesture.displacement );
-
- mSelectionHandleOne.SetImage( mSelectionHandleOneImage );
- mState = StateEdit;
- ShowPopupCutCopyPaste();
- }
- if (actor == mHandleTwoGrabArea)
- {
- // the displacement in PanGesture is affected by the actor's rotation.
- mSelectionHandleTwoActualPosition.x += gesture.displacement.x * mSelectionHandleTwo.GetCurrentScale().x;
- mSelectionHandleTwoActualPosition.y += gesture.displacement.y * mSelectionHandleTwo.GetCurrentScale().y;
-
- mSelectionHandleTwoActualPosition = MoveSelectionHandle( HandleTwo, gesture.displacement );
-
- mSelectionHandleTwo.SetImage( mSelectionHandleTwoImage );
- mState = StateEdit;
- ShowPopupCutCopyPaste();
- }
- }
- break;
- default:
- break;
- }
-}
-
-// Stop the flashing animation so easy to see when moved.
-bool TextInput::OnPressDown(Dali::Actor actor, const TouchEvent& touch)
-{
- if (touch.GetPoint(0).state == TouchPoint::Down)
- {
- SetCursorVisibility( true );
- StopCursorBlinkTimer();
- }
- else if (touch.GetPoint(0).state == TouchPoint::Up)
- {
- SetCursorVisibility( true );
- StartCursorBlinkTimer();
- }
- return false;
-}
-
-// selection handle one
-bool TextInput::OnHandleOneTouched(Dali::Actor actor, const TouchEvent& touch)
-{
- if (touch.GetPoint(0).state == TouchPoint::Down)
- {
- mSelectionHandleOne.SetImage( mSelectionHandleOneImagePressed );
- }
- else if (touch.GetPoint(0).state == TouchPoint::Up)
- {
- mSelectionHandleOne.SetImage( mSelectionHandleOneImage );
- }
- return false;
-}
-
-// selection handle two
-bool TextInput::OnHandleTwoTouched(Dali::Actor actor, const TouchEvent& touch)
-{
- if (touch.GetPoint(0).state == TouchPoint::Down)
- {
- mSelectionHandleTwo.SetImage( mSelectionHandleTwoImagePressed );
- }
- else if (touch.GetPoint(0).state == TouchPoint::Up)
- {
- mSelectionHandleTwo.SetImage( mSelectionHandleTwoImage );
- }
- return false;
-}
-
-void TextInput::OnDoubleTap(Dali::Actor actor, const Dali::TapGesture& tap)
-{
- // If text exists then select nearest word.
- if ( !mStyledText.empty())
- {
- HidePopup();
-
- ShowGrabHandleAndSetVisibility( false );
-
-
- if ( mPreEditFlag )
- {
- // PreEdit will be committed here without needing a commit from IMF. Remove pre-edit underline and reset flags which
- // converts the pre-edit word being displayed to a committed word.
- if ( !mUnderlinedPriorToPreEdit )
- {
- TextStyle style;
- style.SetUnderline( false );
- ApplyStyleToRange( style, TextStyle::UNDERLINE , mPreEditStartPosition, mPreEditStartPosition + mPreEditLength -1 );
- }
- mPreEditFlag = false;
- mIgnoreCommitFlag = true; // Predictive word interrupted, text displayed will not change, no need to actually commit.
- // Reset keyboard and set true so cursor position is preserved. Otherwise cursor position will that of the committed text not new tap location.
- PreEditReset( false );
- }
- mCursorPosition = 0;
-
- mTextLayoutInfo.mScrollOffset = mDisplayedTextView.GetScrollPosition();
- ReturnClosestIndex( tap.localPoint, mCursorPosition );
-
- std::size_t start = 0;
- std::size_t end = 0;
- Dali::Toolkit::Internal::TextProcessor::FindNearestWord( mStyledText, mCursorPosition, start, end );
-
- mCursorPosition = end; // Ensure cursor is positioned at end of selected word
-
- ImfManager imfManager = ImfManager::Get();
- if ( imfManager )
- {
- imfManager.SetCursorPosition ( mCursorPosition );
- imfManager.NotifyCursorPosition();
- }
-
- if ( !mStyledText.at(end-1).mText[0].IsWhiteSpace() )
- {
- SelectText( start, end );
- ShowPopupCutCopyPaste();
- }
- else
- {
- RemoveHighlight( false ); // Remove highlight but do not auto hide popup
- HidePopup( false ); // Hide popup with setting to do auto show.
- SetUpPopupSelection( false ); // Set to false so if nearest word is whitespace it will not show cut button.
- ShowPopup();
- }
- }
- else if ( mClipboard && mClipboard.NumberOfItems() )
- {
- ShowPopupCutCopyPaste();
- }
-
- // If no text and clipboard empty then do nothing
-}
-
-// TODO: Change the function name to be more general.
-void TextInput::OnTextTap(Dali::Actor actor, const Dali::TapGesture& tap)
-{
- DALI_LOG_INFO( gLogFilter, Debug::General, "OnTap mPreEditFlag[%s] mEditOnTouch[%s] mEditModeActive[%s] ", (mPreEditFlag)?"true":"false"
- , (mEditOnTouch)?"true":"false"
- , (mEditModeActive)?"true":"false");
-
- if( mHandleOneGrabArea == actor || mHandleTwoGrabArea == actor )
- {
- return;
- }
-
- if( mGrabArea == actor )
- {
- if( mPopupPanel.GetState() == TextInputPopup::StateHidden || mPopupPanel.GetState() == TextInputPopup::StateHiding )
- {
- SetUpPopupSelection();
- ShowPopup();
- }
-
- return;
- }
-
- HidePopup();
- RemoveHighlight();
-
- mTextLayoutInfo.mScrollOffset = mDisplayedTextView.GetScrollPosition();
-
- // Initially don't create the grab handle.
- bool createGrabHandle = false;
-
- if ( !mEditModeActive )
- {
- // update line height before calculate the actual position.
- UpdateLineHeight();
-
- // Only start edit mode if TextInput configured to edit on touch
- if ( mEditOnTouch )
- {
- // Set the initial cursor position in the tap point.
- ReturnClosestIndex(tap.localPoint, mCursorPosition );
- StartEditMode();
- }
- }
- else
- {
- // Show the keyboard if it was hidden.
- if (!VirtualKeyboard::IsVisible())
- {
- VirtualKeyboard::Show();
- }
-
- // Reset keyboard as tap event has occurred.
- // Set true so cursor position is preserved. Otherwise cursor position will that of the committed text not new tap location.
- PreEditReset( true );
-
- GetTextLayoutInfo();
-
- if( !mTextLayoutInfo.mCharacterLayoutInfoTable.empty() ) // If string empty we do not need a grab handle.
- {
- // 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.
-
- ReturnClosestIndex(tap.localPoint, mCursorPosition );
-
- DALI_LOG_INFO( gLogFilter, Debug::General, "mCursorPosition[%u]", mCursorPosition );
-
- // Notify keyboard so it can 're-capture' word for predictive text.
- // As we have done a reset, is this required, expect IMF keyboard to request this information.
- ImfManager imfManager = ImfManager::Get();
- if ( imfManager )
- {
- imfManager.SetCursorPosition ( mCursorPosition );
- imfManager.NotifyCursorPosition();
- }
- const TextStyle oldInputStyle( mInputStyle );
-
- mInputStyle = GetStyleAtCursor(); // Inherit style from cursor position
-
- DrawCursor();
-
- // Create the grab handle.
- // Grab handle is created later.
- createGrabHandle = true;
-
- if( oldInputStyle != mInputStyle )
- {
- // Updates the line height accordingly with the input style.
- UpdateLineHeight();
-
- EmitStyleChangedSignal();
- }
- }
- }
-
- // Edit mode started after grab handle created to ensure the signal InputStarted is sent last.
- // This is used to ensure if selecting text hides the grab handle then this code is run after grab handle is created,
- // otherwise the Grab handle will be shown when selecting.
- if ( createGrabHandle && IsGrabHandleEnabled() )
- {
- Vector3 altPosition; // Alternate (i.e. opposite direction) cursor position.
- bool altPositionValid; // Alternate cursor validity flag.
- bool directionRTL; // Need to know direction of primary cursor (in case we have 2 cursors and need to show them differently)
- Vector3 cursorPosition = GetActualPositionFromCharacterPosition( mCursorPosition, directionRTL, altPosition, altPositionValid );
-
- if( altPositionValid )
- {
- // Check which of the positions is the closest.
- if( fabsf( altPosition.x - tap.localPoint.x ) < fabsf( cursorPosition.x - tap.localPoint.x ) )
- {
- cursorPosition = altPosition;
- }
- }
-
- CreateGrabHandle();
-
- mActualGrabHandlePosition.x = cursorPosition.x; // Set grab handle to be at the cursor position
- mActualGrabHandlePosition.y = cursorPosition.y; // Set grab handle to be at the cursor position
- mGrabHandle.SetPosition( mActualGrabHandlePosition + UI_OFFSET );
- ShowGrabHandleAndSetVisibility( mIsGrabHandleInScrollArea );
-
- }
-}
-
-void TextInput::OnLongPress(Dali::Actor actor, const Dali::LongPressGesture& longPress)
-{
- DALI_LOG_INFO( gLogFilter, Debug::General, "OnLongPress\n" );
-
- // Ignore longpress if in selection mode already
- if( mHighlightMeshActor )
- {
- return;
- }
-
- if(longPress.state == Dali::Gesture::Started)
- {
- // Start edit mode on long press
- if ( !mEditModeActive )
- {
- StartEditMode();
- }
-
- // If text exists then select nearest word.
- if ( !mStyledText.empty())
- {
- HidePopup();
-
- ShowGrabHandleAndSetVisibility( false );
-
-
- if ( mPreEditFlag )
- {
- // PreEdit will be committed here without needing a commit from IMF. Remove pre-edit underline and reset flags which
- // converts the pre-edit word being displayed to a committed word.
- if ( !mUnderlinedPriorToPreEdit )
- {
- TextStyle style;
- style.SetUnderline( false );
- ApplyStyleToRange( style, TextStyle::UNDERLINE , mPreEditStartPosition, mPreEditStartPosition + mPreEditLength -1 );
- }
- mPreEditFlag = false;
- mIgnoreCommitFlag = true; // Predictive word interrupted, text displayed will not change, no need to actually commit.
- // Reset keyboard and set true so cursor position is preserved. Otherwise cursor position will that of the committed text not new tap location.
- PreEditReset( false );
- }
- mCursorPosition = 0;
-
- mTextLayoutInfo.mScrollOffset = mDisplayedTextView.GetScrollPosition();
- ReturnClosestIndex( longPress.localPoint, mCursorPosition );
-
- std::size_t start = 0;
- std::size_t end = 0;
- Dali::Toolkit::Internal::TextProcessor::FindNearestWord( mStyledText, mCursorPosition, start, end );
-
- mCursorPosition = end; // Ensure cursor is positioned at end of selected word
-
- ImfManager imfManager = ImfManager::Get();
- if ( imfManager )
- {
- imfManager.SetCursorPosition ( mCursorPosition );
- imfManager.NotifyCursorPosition();
- }
-
- SelectText( start, end );
- }
-
- // if no text but clipboard has content then show paste option, if no text and clipboard empty then do nothing
- if ( ( mClipboard && mClipboard.NumberOfItems() ) || !mStyledText.empty() )
- {
- ShowPopupCutCopyPaste();
- }
- }
-}
-
-void TextInput::OnClipboardTextSelected( ClipboardEventNotifier& notifier )
-{
- const Text clipboardText( notifier.GetContent() );
- PasteText( clipboardText );
-
- SetCursorVisibility( true );
- StartCursorBlinkTimer();
-
- ShowGrabHandleAndSetVisibility( false );
-
-
- HidePopup();
-}
-
-bool TextInput::OnPopupButtonPressed( Toolkit::Button button )
-{
- mPopupPanel.PressedSignal().Disconnect( this, &TextInput::OnPopupButtonPressed );
-
- const std::string& name = button.GetName();
-
- if(name == TextInputPopup::OPTION_SELECT_WORD)
- {
- std::size_t start = 0;
- std::size_t end = 0;
- Dali::Toolkit::Internal::TextProcessor::FindNearestWord( mStyledText, mCursorPosition, start, end );
-
- SelectText( start, end );
- }
- else if(name == TextInputPopup::OPTION_SELECT_ALL)
- {
- SetCursorVisibility(false);
- StopCursorBlinkTimer();
-
- std::size_t end = mTextLayoutInfo.mCharacterLayoutInfoTable.size();
- std::size_t start = 0;
-
- SelectText( start, end );
- }
- else if(name == TextInputPopup::OPTION_CUT)
- {
- bool ret = CopySelectedTextToClipboard();
-
- if ( ret )
- {
- DeleteHighlightedText( true );
- CursorUpdate();
- }
-
- SetCursorVisibility( true );
- StartCursorBlinkTimer();
-
- HidePopup();
- }
- else if(name == TextInputPopup::OPTION_COPY)
- {
- CopySelectedTextToClipboard();
-
- RemoveHighlight();
-
- SetCursorVisibility( true );
- StartCursorBlinkTimer();
-
- HidePopup();
- }
- else if(name == TextInputPopup::OPTION_PASTE)
- {
- const Text retrievedString( mClipboard.GetItem( 0 ) ); // currently can only get first item in clip board, index 0;
-
- PasteText(retrievedString);
-
- SetCursorVisibility( true );
- StartCursorBlinkTimer();
-
- ShowGrabHandleAndSetVisibility( false );
-
- HidePopup();
- }
- else if(name == TextInputPopup::OPTION_CLIPBOARD)
- {
- // In the case of clipboard being shown we do not want to show updated pop-up after hide animation completes
- // Hence pass the false parameter for signalFinished.
- HidePopup( true, false );
- mClipboard.ShowClipboard();
- }
-
- return false;
-}
-
-bool TextInput::OnCursorBlinkTimerTick()
-{
- // Cursor blinking
- mCursor.SetVisible( mCursorVisibility && mIsCursorInScrollArea && mCursorBlinkStatus );
- if ( mCursorRTLEnabled )
- {
- mCursorRTL.SetVisible( mCursorVisibility && mIsCursorInScrollArea && mCursorBlinkStatus );
- }
- mCursorBlinkStatus = !mCursorBlinkStatus;
-
- return true;
-}
-
-void TextInput::OnPopupHideFinished(TextInputPopup& popup)
-{
- popup.HideFinishedSignal().Disconnect( this, &TextInput::OnPopupHideFinished );
-
- // Change Popup menu to Cut/Copy/Paste if text has been selected.
- if(mHighlightMeshActor && mState == StateEdit)
- {
- ShowPopupCutCopyPaste();
- }
-}
-
-//FIXME this routine needs to be re-written as it contains too many branches.
-bool TextInput::OnKeyDownEvent(const KeyEvent& event)
-{
- std::string keyName = event.keyPressedName;
- std::string keyString = event.keyPressed;
-
- DALI_LOG_INFO(gLogFilter, Debug::General, "OnKeyDownEvent keyName[%s] KeyString[%s]\n", keyName.c_str(), keyString.c_str() );
-
- // Do not consume "Tab" and "Escape" keys.
- if(keyName == "Tab" || keyName == "Escape")
- {
- // Escape key to end the edit mode
- EndEditMode();
-
- return false;
- }
-
- HidePopup(); // If Pop-up shown then hides it as editing text.
-
- // Update Flag, indicates whether to update the text-input contents or not.
- // Any key stroke that results in a visual change of the text-input should
- // set this flag to true.
- bool update(false);
-
- // Whether to scroll text to cursor position.
- // Scroll is needed always the cursor is updated and after the pre-edit is received.
- bool scroll = false;
-
- if (keyName == "Return")
- {
- if ( mNumberOflinesLimit > 1) // Prevents New line character / Return adding an extra line if limit set to 1
- {
- bool preEditFlagPreviouslySet( mPreEditFlag );
-
- // replaces highlighted text with new line
- DeleteHighlightedText( false );
-
- mCursorPosition = mCursorPosition + InsertAt( Text( NEWLINE ), mCursorPosition, 0 );
-
- // If we are in pre-edit mode then pressing enter will cause a commit. But the commit string does not include the
- // '\n' character so we need to ensure that the immediately following commit knows how it occurred.
- if ( mPreEditFlag )
- {
- mCommitByKeyInput = true;
- }
-
- // If attempting to insert a new-line brings us out of PreEdit mode, then we should not ignore the next commit.
- if ( preEditFlagPreviouslySet && !mPreEditFlag )
- {
- mPreEditFlag = true;
- mIgnoreCommitFlag = false;
- }
- EmitTextModified();
- update = true;
- }
- else
- {
- RemoveHighlight();
- }
- } // Return
- else if ( keyName == "space" )
- {
- if ( mHighlightMeshActor )
- {
- // Some text is selected so erase it before adding space.
- DeleteHighlightedText( true );
- }
-
- mCursorPosition = mCursorPosition + InsertAt(Text(keyString), mCursorPosition, 0);
-
- // If we are in pre-edit mode then pressing the space-bar will cause a commit. But the commit string does not include the
- // ' ' character so we need to ensure that the immediately following commit knows how it occurred.
- if ( mPreEditFlag )
- {
- mCommitByKeyInput = true;
- }
- EmitTextModified();
- update = true;
- } // space
- else if (keyName == "BackSpace")
- {
- if ( mHighlightMeshActor )
- {
- // Some text is selected so erase it
- DeleteHighlightedText( true );
- update = true;
- }
- else
- {
- if ( mCursorPosition > 0 )
- {
- DeleteCharacter( mCursorPosition );
- update = true;
- }
- }
- EmitTextModified();
- } // BackSpace
- else if (keyName == "Right")
- {
- AdvanceCursor();
- RemoveHighlight();
- }
- else if (keyName == "Left")
- {
- AdvanceCursor(true);
- RemoveHighlight();
- }
- else // event is a character
- {
- // Some text may be selected, hiding keyboard causes an empty keystring to be sent, we don't want to delete highlight in this case
- if ( !keyString.empty() )
- {
- // replaces highlighted text with new character
- DeleteHighlightedText( false );
-
- // Received key String
- mCursorPosition += InsertAt( Text( keyString ), mCursorPosition, 0 );
- update = true;
- EmitTextModified();
- }
- }
-
- // If key event has resulted in a change in the text/cursor, then trigger a relayout of text
- // as this is a costly operation.
- if(update)
- {
- CursorUpdate();
- }
-
- if(update || scroll)
- {
- if( IsScrollEnabled() )
- {
- // Calculates the new cursor position (in actor coordinates)
- const Vector3 cursorPosition = GetActualPositionFromCharacterPosition( mCursorPosition );
-
- ScrollTextViewToMakeCursorVisible( cursorPosition );
- }
- }
-
- return true;
-}
-
-bool TextInput::OnKeyUpEvent(const KeyEvent& event)
-{
- std::string keyName = event.keyPressedName;
- std::string keyString = event.keyPressed;
-
- DALI_LOG_INFO(gLogFilter, Debug::General, "OnKeyUpEvent keyName[%s] KeyString[%s]\n", keyName.c_str(), keyString.c_str() );
-
- // The selected text become deselected when the key code is DALI_KEY_BACK.
- if( IsTextSelected() && ( keyName == "XF86Stop" || keyName == "XF86Send") )
- {
- DeSelectText();
- return true;
- }
-
- return false;
-}
-
-void TextInput::ChooseRtlSelectionHandlePosition( const Vector3& cursorPositionOne,
- const Vector3& cursorPositionTwo,
- bool altPositionValidOne,
- bool altPositionValidTwo,
- const Vector3& altPositionOne,
- const Vector3& altPositionTwo )
-{
- // TODO VCC Valid for one line.
- // Try to place the selection handles. TODO think in something better. Probably need to know the direction of the paragraph.
- if( cursorPositionOne != cursorPositionTwo )
- {
- if( cursorPositionOne.x < cursorPositionTwo.x )
- {
- mSelectionHandleOneActualPosition = cursorPositionOne;
- mSelectionHandleTwoActualPosition = cursorPositionTwo;
- }
- else
- {
- mSelectionHandleOneActualPosition = cursorPositionTwo;
- mSelectionHandleTwoActualPosition = cursorPositionOne;
- }
- }
- else
- {
- mSelectionHandleOneActualPosition = cursorPositionOne;
- if( altPositionValidOne )
- {
- if( altPositionOne.x < mSelectionHandleOneActualPosition.x )
- {
- mSelectionHandleOneActualPosition = altPositionOne;
- }
- }
- if( altPositionValidTwo )
- {
- if( altPositionTwo.x < mSelectionHandleOneActualPosition.x )
- {
- mSelectionHandleOneActualPosition = altPositionTwo;
- }
- }
-
- mSelectionHandleTwoActualPosition = cursorPositionTwo;
- if( altPositionValidTwo )
- {
- if( altPositionTwo.x > mSelectionHandleTwoActualPosition.x )
- {
- mSelectionHandleTwoActualPosition = altPositionTwo;
- }
- }
- if( altPositionValidOne )
- {
- if( altPositionOne.x > mSelectionHandleTwoActualPosition.x )
- {
- mSelectionHandleTwoActualPosition = altPositionOne;
- }
- }
- }
-}
-
-void TextInput::OnTextViewScrolled( Toolkit::TextView textView, Vector2 scrollPosition )
-{
- // Updates the stored scroll position.
- mTextLayoutInfo.mScrollOffset = textView.GetScrollPosition();
-
- const Vector3& controlSize = GetControlSize();
- Size cursorSize( CURSOR_THICKNESS, 0.f );
-
- // Updates the cursor and grab handle position and visibility.
- if( mGrabHandle || mCursor )
- {
- cursorSize.height = GetRowRectFromCharacterPosition( mCursorPosition ).height;
-
- Vector3 altPosition; // Alternate (i.e. opposite direction) cursor position.
- bool altPositionValid; // Alternate cursor validity flag.
- bool directionRTL; // Need to know direction of primary cursor (in case we have 2 cursors and need to show them differently)
- Vector3 cursorPosition = GetActualPositionFromCharacterPosition( mCursorPosition, directionRTL, altPosition, altPositionValid );
-
- if( altPositionValid )
- {
- // Check which of the positions is the closest.
- if( fabsf( altPosition.x - mActualGrabHandlePosition.x ) < fabsf( cursorPosition.x - mActualGrabHandlePosition.x ) )
- {
- cursorPosition = altPosition;
- }
- }
-
- mIsCursorInScrollArea = mIsGrabHandleInScrollArea = IsPositionInsideBoundaries( cursorPosition, cursorSize, controlSize );
-
- mActualGrabHandlePosition = cursorPosition.GetVectorXY();
-
- if( mGrabHandle )
- {
- ShowGrabHandle( mGrabHandleVisibility && mIsGrabHandleInScrollArea );
- mGrabHandle.SetPosition( mActualGrabHandlePosition + UI_OFFSET );
- }
-
- if( mCursor )
- {
- mCursor.SetVisible( mCursorVisibility && mIsCursorInScrollArea );
- mCursor.SetPosition( mActualGrabHandlePosition + UI_OFFSET );
- }
- }
-
- // Updates the selection handles and highlighted text position and visibility.
- if( mSelectionHandleOne && mSelectionHandleTwo )
- {
- Vector3 altPositionOne; // Alternate (i.e. opposite direction) cursor position.
- bool altPositionValidOne; // Alternate cursor validity flag.
- bool directionRTLOne; // Need to know direction of primary cursor (in case we have 2 cursors and need to show them differently)
- Vector3 cursorPositionOne = GetActualPositionFromCharacterPosition( mSelectionHandleOnePosition, directionRTLOne, altPositionOne, altPositionValidOne );
-
- Vector3 altPositionTwo; // Alternate (i.e. opposite direction) cursor position.
- bool altPositionValidTwo; // Alternate cursor validity flag.
- bool directionRTLTwo; // Need to know direction of primary cursor (in case we have 2 cursors and need to show them differently)
- Vector3 cursorPositionTwo = GetActualPositionFromCharacterPosition( mSelectionHandleTwoPosition, directionRTLTwo, altPositionTwo, altPositionValidTwo );
-
- // VCC TODO: This method is a hack for one line.
- ChooseRtlSelectionHandlePosition( cursorPositionOne,
- cursorPositionTwo,
- altPositionValidOne,
- altPositionValidTwo,
- altPositionOne,
- altPositionTwo );
-
- cursorSize.height = ( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + mSelectionHandleOnePosition ) ).mSize.height;
- const bool isSelectionHandleOneVisible = IsPositionInsideBoundaries( cursorPositionOne, cursorSize, controlSize );
- cursorSize.height = ( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + mSelectionHandleTwoPosition ) ).mSize.height;
- const bool isSelectionHandleTwoVisible = IsPositionInsideBoundaries( cursorPositionTwo, cursorSize, controlSize );
-
- mSelectionHandleOne.SetVisible( isSelectionHandleOneVisible );
- mSelectionHandleTwo.SetVisible( isSelectionHandleTwoVisible );
- mSelectionHandleOne.SetPosition( mSelectionHandleOneActualPosition + UI_OFFSET + mSelectionHandleOneOffset );
- mSelectionHandleTwo.SetPosition( mSelectionHandleTwoActualPosition + UI_OFFSET + mSelectionHandleTwoOffset );
-
- if( mHighlightMeshActor )
- {
- mHighlightMeshActor.SetVisible( true );
- UpdateHighlight();
- }
- }
-}
-
-void TextInput::ScrollTextViewToMakeCursorVisible( const Vector3& cursorPosition )
-{
- // Scroll the text to make the cursor visible.
- const Size cursorSize( CURSOR_THICKNESS,
- GetRowRectFromCharacterPosition( mCursorPosition ).height );
-
- // Need to scroll the text to make the cursor visible and to cover the whole text-input area.
-
- const Vector3& controlSize = GetControlSize();
-
- // Calculates the new scroll position.
- Vector2 scrollOffset = mTextLayoutInfo.mScrollOffset;
- if( ( cursorPosition.x < 0.f ) || ( cursorPosition.x > controlSize.width ) )
- {
- scrollOffset.x += cursorPosition.x;
- }
-
- if( cursorPosition.y - cursorSize.height < 0.f || cursorPosition.y > controlSize.height )
- {
- scrollOffset.y += cursorPosition.y;
- }
-
- // Sets the new scroll position.
- SetScrollPosition( Vector2::ZERO ); // TODO: need to reset to the zero position in order to make the scroll trim to work.
- SetScrollPosition( scrollOffset );
-}
-
-void TextInput::StartScrollTimer()
-{
- if( !mScrollTimer )
- {
- mScrollTimer = Timer::New( SCROLL_TICK_INTERVAL );
- mScrollTimer.TickSignal().Connect( this, &TextInput::OnScrollTimerTick );
- }
-
- if( !mScrollTimer.IsRunning() )
- {
- mScrollTimer.Start();
- }
-}
-
-void TextInput::StopScrollTimer()
-{
- if( mScrollTimer )
- {
- mScrollTimer.Stop();
- }
-}
-
-bool TextInput::OnScrollTimerTick()
-{
- // TODO: need to set the new style accordingly the new handle position.
-
- if( !( mGrabHandleVisibility && mGrabHandle ) && !( mSelectionHandleOne && mSelectionHandleTwo ) )
- {
- // nothing to do if all handles are invisible or doesn't exist.
- return true;
- }
-
- // Text scrolling
-
- // Choose between the grab handle or the selection handles.
- Vector3& actualHandlePosition = ( mGrabHandleVisibility && mGrabHandle ) ? mActualGrabHandlePosition : ( mCurrentSelectionId == HandleOne ) ? mSelectionHandleOneActualPosition : mSelectionHandleTwoActualPosition;
- std::size_t& handlePosition = ( mGrabHandleVisibility && mGrabHandle ) ? mCursorPosition : ( mCurrentSelectionId == HandleOne ) ? mSelectionHandleOnePosition : mSelectionHandleTwoPosition;
- Vector3& currentHandlePosition = ( mGrabHandleVisibility && mGrabHandle ) ? mCurrentHandlePosition : mCurrentSelectionHandlePosition;
-
- std::size_t newCursorPosition = 0;
- ReturnClosestIndex( actualHandlePosition.GetVectorXY(), newCursorPosition );
-
- // Whether the handle's position is different of the previous one and in the case of the selection handle,
- // the new selection handle's position needs to be different of the other one.
- const bool differentSelectionHandles = ( mGrabHandleVisibility && mGrabHandle ) ? newCursorPosition != handlePosition :
- ( mCurrentSelectionId == HandleOne ) ? ( newCursorPosition != handlePosition ) && ( newCursorPosition != mSelectionHandleTwoPosition ) :
- ( newCursorPosition != handlePosition ) && ( newCursorPosition != mSelectionHandleOnePosition );
-
- if( differentSelectionHandles )
- {
- handlePosition = newCursorPosition;
-
- const Vector3 actualPosition = GetActualPositionFromCharacterPosition( newCursorPosition );
-
- Vector2 scrollDelta = ( actualPosition - currentHandlePosition ).GetVectorXY();
-
- Vector2 scrollPosition = mDisplayedTextView.GetScrollPosition();
- scrollPosition += scrollDelta;
- SetScrollPosition( scrollPosition );
-
- if( mDisplayedTextView.IsScrollPositionTrimmed() )
- {
- StopScrollTimer();
- }
-
- currentHandlePosition = GetActualPositionFromCharacterPosition( newCursorPosition ).GetVectorXY();
- }
-
- actualHandlePosition.x += mScrollDisplacement.x;
- actualHandlePosition.y += mScrollDisplacement.y;
-
- return true;
-}
-
-// Public Internal Methods (public for testing purpose)
-
-void TextInput::SetUpTouchEvents()
-{
- if ( !mTapDetector )
- {
- mTapDetector = TapGestureDetector::New();
- // Attach the actors and connect the signal
- mTapDetector.Attach(Self());
-
- // As contains children which may register for tap the default control detector is not used.
- mTapDetector.DetectedSignal().Connect(this, &TextInput::OnTextTap);
- }
-
- if ( !mDoubleTapDetector )
- {
- mDoubleTapDetector = TapGestureDetector::New();
- mDoubleTapDetector.SetTapsRequired( 2 );
- mDoubleTapDetector.DetectedSignal().Connect(this, &TextInput::OnDoubleTap);
-
- // Only attach and detach the actor to the double tap detector when we enter/leave edit mode
- // so that we do not, unnecessarily, have a double tap request all the time
- }
-
- if ( !mPanGestureDetector )
- {
- mPanGestureDetector = PanGestureDetector::New();
- mPanGestureDetector.DetectedSignal().Connect(this, &TextInput::OnHandlePan);
- }
-
- if ( !mLongPressDetector )
- {
- mLongPressDetector = LongPressGestureDetector::New();
- mLongPressDetector.DetectedSignal().Connect(this, &TextInput::OnLongPress);
- mLongPressDetector.Attach(Self());
- }
-}
-
-void TextInput::CreateTextViewActor()
-{
- mDisplayedTextView = Toolkit::TextView::New();
- mDisplayedTextView.SetName( "DisplayedTextView ");
- mDisplayedTextView.SetMarkupProcessingEnabled( mMarkUpEnabled );
- mDisplayedTextView.SetParentOrigin(ParentOrigin::TOP_LEFT);
- mDisplayedTextView.SetAnchorPoint(AnchorPoint::TOP_LEFT);
- mDisplayedTextView.SetMultilinePolicy(Toolkit::TextView::SplitByWord);
- mDisplayedTextView.SetWidthExceedPolicy( Toolkit::TextView::Original );
- mDisplayedTextView.SetHeightExceedPolicy( Toolkit::TextView::Original );
- mDisplayedTextView.SetLineJustification( Toolkit::TextView::Left );
- mDisplayedTextView.SetTextAlignment( static_cast<Toolkit::Alignment::Type>( Toolkit::Alignment::HorizontalLeft | Toolkit::Alignment::VerticalTop ) );
- mDisplayedTextView.SetPosition( Vector3( 0.0f, 0.0f, DISPLAYED_TEXT_VIEW_Z_OFFSET ) );
- mDisplayedTextView.SetSizePolicy( Toolkit::Control::Fixed, Toolkit::Control::Fixed );
-
- mDisplayedTextView.ScrolledSignal().Connect( this, &TextInput::OnTextViewScrolled );
-
- Self().Add( mDisplayedTextView );
-}
-
-// Start a timer to initiate, used by the cursor to blink.
-void TextInput::StartCursorBlinkTimer()
-{
- if ( !mCursorBlinkTimer )
- {
- mCursorBlinkTimer = Timer::New( CURSOR_BLINK_INTERVAL );
- mCursorBlinkTimer.TickSignal().Connect( this, &TextInput::OnCursorBlinkTimerTick );
- }
-
- if ( !mCursorBlinkTimer.IsRunning() )
- {
- mCursorBlinkTimer.Start();
- }
-}
-
-// Start a timer to initiate, used by the cursor to blink.
-void TextInput::StopCursorBlinkTimer()
-{
- if ( mCursorBlinkTimer )
- {
- mCursorBlinkTimer.Stop();
- }
-}
-
-void TextInput::StartEditMode()
-{
- DALI_LOG_INFO(gLogFilter, Debug::General, "TextInput StartEditMode mEditModeActive[%s]\n", (mEditModeActive)?"true":"false" );
-
- if(!mEditModeActive)
- {
- SetKeyInputFocus();
- }
-
- if ( mDoubleTapDetector )
- {
- mDoubleTapDetector.Attach( Self() );
- }
-}
-
-void TextInput::EndEditMode()
-{
- DALI_LOG_INFO(gLogFilter, Debug::General, "TextInput EndEditMode mEditModeActive[%s]\n", (mEditModeActive)?"true":"false" );
-
- ClearKeyInputFocus();
-
- if ( mDoubleTapDetector )
- {
- mDoubleTapDetector.Detach( Self() );
- }
-}
-
-void TextInput::ApplyPreEditStyle( std::size_t preEditStartPosition, std::size_t preEditStringLength )
-{
- if ( mPreEditFlag && ( preEditStringLength > 0 ) )
- {
- mUnderlinedPriorToPreEdit = mInputStyle.IsUnderlineEnabled();
- TextStyle style;
- style.SetUnderline( true );
- ApplyStyleToRange( style, TextStyle::UNDERLINE , preEditStartPosition, preEditStartPosition + preEditStringLength -1 );
- }
-}
-
-void TextInput::RemovePreEditStyle()
-{
- if ( !mUnderlinedPriorToPreEdit )
- {
- TextStyle style;
- style.SetUnderline( false );
- SetActiveStyle( style, TextStyle::UNDERLINE );
- }
-}
-
-// IMF related methods
-
-
-ImfManager::ImfCallbackData TextInput::ImfEventReceived( Dali::ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent )
-{
- bool update( false );
- bool preeditResetRequired ( false );
-
- if (imfEvent.eventName != ImfManager::GETSURROUNDING )
- {
- HidePopup(); // If Pop-up shown then hides it as editing text.
- }
-
- switch ( imfEvent.eventName )
- {
- case ImfManager::PREEDIT:
- {
- mIgnoreFirstCommitFlag = false;
-
- // 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
- if ( mHighlightMeshActor && (!imfEvent.predictiveString.empty()) )
- {
- // replaces highlighted text with new character
- DeleteHighlightedText( false );
- }
-
- preeditResetRequired = PreEditReceived( imfEvent.predictiveString, imfEvent.cursorOffset );
-
- if( IsScrollEnabled() )
- {
- // Calculates the new cursor position (in actor coordinates)
- const Vector3 cursorPosition = GetActualPositionFromCharacterPosition( mCursorPosition );
- ScrollTextViewToMakeCursorVisible( cursorPosition );
- }
-
- update = true;
-
- break;
- }
- case ImfManager::COMMIT:
- {
- if( mIgnoreFirstCommitFlag )
- {
- // Do not commit in this case when keyboard sends a commit when shows for the first time (work-around for imf keyboard).
- mIgnoreFirstCommitFlag = false;
- }
- else
- {
- // A Commit message is a word that has been accepted, it may have been a pre-edit word previously but now commited.
-
- // 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
- if ( mHighlightMeshActor && (!imfEvent.predictiveString.empty()) )
- {
- // replaces highlighted text with new character
- DeleteHighlightedText( false );
- }
-
- // A PreEditReset can cause a commit message to be sent, the Ignore Commit flag is used in scenarios where the word is
- // not needed, one such scenario is when the pre-edit word is too long to fit.
- if ( !mIgnoreCommitFlag )
- {
- update = CommitReceived( imfEvent.predictiveString );
- }
- else
- {
- mIgnoreCommitFlag = false; // reset ignore flag so next commit is acted upon.
- }
- }
-
- if( update )
- {
- if( IsScrollEnabled() )
- {
- // Calculates the new cursor position (in actor coordinates)
- const Vector3 cursorPosition = GetActualPositionFromCharacterPosition( mCursorPosition );
-
- ScrollTextViewToMakeCursorVisible( cursorPosition );
- }
- }
- break;
- }
- case ImfManager::DELETESURROUNDING:
- {
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfEventReceived - delete surrounding mPreEditFlag[%s] cursor offset[%d] characters to delete[%d] position to delete[%u] \n",
- (mPreEditFlag)?"true":"false", imfEvent.cursorOffset, imfEvent.numberOfChars, static_cast<std::size_t>( mCursorPosition+imfEvent.cursorOffset) );
-
- mPreEditFlag = false;
-
- std::size_t toDelete = 0;
- std::size_t numberOfCharacters = 0;
-
- if( mHighlightMeshActor )
- {
- // delete highlighted text.
- toDelete = std::min( mSelectionHandleOnePosition, mSelectionHandleTwoPosition );
- numberOfCharacters = std::max( mSelectionHandleOnePosition, mSelectionHandleTwoPosition ) - toDelete;
- }
- else
- {
- if( static_cast<std::size_t>(std::abs( imfEvent.cursorOffset )) < mCursorPosition )
- {
- toDelete = mCursorPosition + imfEvent.cursorOffset;
- }
- if( toDelete + imfEvent.numberOfChars > mStyledText.size() )
- {
- numberOfCharacters = mStyledText.size() - toDelete;
- }
- else
- {
- numberOfCharacters = imfEvent.numberOfChars;
- }
- }
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfEventReceived - deleteSurrounding pre-delete range mCursorPosition[%u] \n", mCursorPosition);
- DeleteRange( toDelete, numberOfCharacters );
-
- mCursorPosition = toDelete;
- mNumberOfSurroundingCharactersDeleted = numberOfCharacters;
-
- EmitTextModified();
-
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfEventReceived - deleteSurrounding post-delete range mCursorPosition[%u] \n", mCursorPosition);
- break;
- }
- case ImfManager::GETSURROUNDING:
- {
- // 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
- // the next key pressed. Instead the Select function sets the cursor position and surrounding text.
- if (! ( mHighlightMeshActor || mSelectingText ) )
- {
- std::string text( GetText() );
- DALI_LOG_INFO( gLogFilter, Debug::General, "OnKey - surrounding text - set text [%s] and cursor[%u] \n", text.c_str(), mCursorPosition );
-
- imfManager.SetCursorPosition( mCursorPosition );
- imfManager.SetSurroundingText( text );
- }
-
- if( 0 != mNumberOfSurroundingCharactersDeleted )
- {
- mDisplayedTextView.RemoveTextFrom( mCursorPosition, mNumberOfSurroundingCharactersDeleted );
- mNumberOfSurroundingCharactersDeleted = 0;
-
- if( mStyledText.empty() )
- {
- ShowPlaceholderText( mStyledPlaceHolderText );
- }
- }
- break;
- }
- case ImfManager::VOID:
- {
- DALI_ASSERT_DEBUG( false );
- }
- } // end switch
-
- ImfManager::ImfCallbackData callbackData( update, mCursorPosition, GetText(), preeditResetRequired );
-
- return callbackData;
-}
-
-bool TextInput::PreEditReceived(const std::string& keyString, std::size_t cursorOffset )
-{
- mPreserveCursorPosition = false; // As in pre-edit state we should have the cursor at the end of the word displayed not last touch position.
-
- DALI_LOG_INFO(gLogFilter, Debug::General, ">>PreEditReceived preserveCursorPos[%d] mCursorPos[%d] mPreEditFlag[%d]\n",
- mPreserveCursorPosition, mCursorPosition, mPreEditFlag );
-
- bool preeditResetRequest ( false );
-
- if( mPreEditFlag ) // Already in pre-edit state.
- {
- if( mStyledText.size() >= mMaxStringLength )
- {
- DALI_LOG_INFO(gLogFilter, Debug::General, "PreEditReceived styledTextSize >= mMaxStringLength \n");
- // Cannot fit these characters into field, clear pre-edit.
- if ( !mUnderlinedPriorToPreEdit )
- {
- TextStyle style;
- style.SetUnderline( false );
- ApplyStyleToRange( style, TextStyle::UNDERLINE , mPreEditStartPosition, mPreEditStartPosition + mPreEditLength -1 );
- }
- mIgnoreCommitFlag = true;
- preeditResetRequest = false; // this will reset the keyboard's predictive suggestions.
- mPreEditFlag = false;
- EmitMaxInputCharactersReachedSignal();
- }
- else
- {
- // delete existing pre-edit string
- const std::size_t numberOfCharactersToReplace = DeletePreEdit();
-
- // Store new pre-edit string
- mPreEditString.SetText( keyString );
-
- if ( keyString.empty() )
- {
- mPreEditFlag = false;
- mCursorPosition = mPreEditStartPosition;
-
- if( mStyledText.empty() )
- {
- ShowPlaceholderText( mStyledPlaceHolderText );
- }
- else
- {
- mDisplayedTextView.RemoveTextFrom( mPreEditStartPosition, numberOfCharactersToReplace );
- }
-
- GetTextLayoutInfo();
- EmitTextModified();
- }
- else
- {
- // Insert new pre-edit string. InsertAt updates the size and position table.
- mPreEditLength = InsertAt( mPreEditString, mPreEditStartPosition, numberOfCharactersToReplace );
- // 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.
- mCursorPosition = mPreEditStartPosition + std::min( cursorOffset, mPreEditLength );
- ApplyPreEditStyle( mPreEditStartPosition, mPreEditLength );
- DALI_LOG_INFO(gLogFilter, Debug::General, "PreEditReceived mCursorPosition[%u] \n", mCursorPosition);
- EmitTextModified();
- }
- // cursor update to keyboard is not done here as the keyboard knows the cursor position and provides the 'cursorOffset'.
- DrawCursor();
- }
- }
- else // mPreEditFlag not set
- {
- if ( !keyString.empty() ) // Imf can send an empty pre-edit followed by Backspace instead of a commit.
- {
- DALI_LOG_INFO(gLogFilter, Debug::General, "PreEditReceived Initial Pre-Edit string \n");
- // new pre-edit so move into pre-edit state by setting flag
- mPreEditFlag = true;
- mPreEditString.SetText( keyString ); // store new pre-edit string
- mPreEditStartPosition = mCursorPosition; // store starting cursor position of pre-edit so know where to re-start from
- mPreEditLength = InsertAt( mPreEditString, mPreEditStartPosition, 0 );
- // 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.
- mCursorPosition = mPreEditStartPosition + std::min( cursorOffset, mPreEditLength );
- ApplyPreEditStyle( mPreEditStartPosition, mPreEditLength );
- DALI_LOG_INFO(gLogFilter, Debug::General, "PreEditReceived mCursorPosition[%u] mPreEditStartPosition[%u]\n", mCursorPosition, mPreEditStartPosition);
- // cursor update to keyboard is not done here as the keyboard knows the cursor position and provides the 'cursorOffset'.
- DrawCursor();
- EmitTextModified();
- }
- else
- {
- DALI_LOG_INFO(gLogFilter, Debug::General, "PreEditReceived with empty keyString\n");
- }
- }
-
- return preeditResetRequest;
-}
-
-bool TextInput::CommitReceived(const std::string& keyString )
-{
- DALI_LOG_INFO(gLogFilter, Debug::General, ">>CommitReceived preserveCursorPos[%d] mPreEditStartPosition [%d] mCursorPos[%d] mPreEditFlag[%d] mIgnoreCommitFlag[%s]\n",
- mPreserveCursorPosition, mPreEditStartPosition, mCursorPosition, mPreEditFlag, (mIgnoreCommitFlag)?"true":"false" );
-
- bool update( false );
-
- RemovePreEditStyle();
-
- const std::size_t styledTextSize( mStyledText.size() );
- if( styledTextSize >= mMaxStringLength )
- {
- // Cannot fit these characters into field, clear pre-edit.
- if ( mPreEditFlag )
- {
- mIgnoreCommitFlag = true;
- mPreEditFlag = false;
- }
- EmitMaxInputCharactersReachedSignal();
- }
- else
- {
- if( mPreEditFlag )
- {
- // delete existing pre-edit string
- const std::size_t numberOfCharactersToReplace = DeletePreEdit();
- mPreEditFlag = false;
-
- DALI_LOG_INFO(gLogFilter, Debug::General, "CommitReceived mPreserveCursorPosition[%s] mPreEditStartPosition[%u]\n",
- (mPreserveCursorPosition)?"true":"false", mPreEditStartPosition );
-
- if ( mPreserveCursorPosition ) // PreEditReset has been called triggering this commit.
- {
- // No need to update cursor position as Cursor location given by touch.
- InsertAt( Text( keyString ), mPreEditStartPosition, numberOfCharactersToReplace );
- mPreserveCursorPosition = false;
- }
- else
- {
- // Cursor not set by touch so needs to be re-positioned to input more text
- mCursorPosition = mPreEditStartPosition + InsertAt( Text(keyString), mPreEditStartPosition, numberOfCharactersToReplace ); // update cursor position as InsertAt, re-draw cursor with this
-
- // If a space or enter caused the commit then our string is one longer than the string given to us by the commit key.
- if ( mCommitByKeyInput )
- {
- mCursorPosition = std::min ( mCursorPosition + 1, mStyledText.size() );
- mCommitByKeyInput = false;
- }
- }
-
- EmitTextModified();
-
- if ( mSelectTextOnCommit )
- {
- SelectText(mRequestedSelection.mStartOfSelection, mRequestedSelection.mEndOfSelection );
- }
-
- update = true;
- }
- else // mPreEditFlag not set
- {
- if ( !mIgnoreCommitFlag ) // Check if this commit should be ignored.
- {
- if( mStyledText.empty() && mPlaceHolderSet )
- {
- // If the styled text is empty and the placeholder text is set, it needs to be cleared.
- mDisplayedTextView.SetText( "" );
- mNumberOfSurroundingCharactersDeleted = 0;
- mPlaceHolderSet = false;
- }
- mCursorPosition = mCursorPosition + InsertAt( Text( keyString ), mCursorPosition, mNumberOfSurroundingCharactersDeleted );
- update = true;
- mNumberOfSurroundingCharactersDeleted = 0;
- EmitTextModified();
- }
- else
- {
- mIgnoreCommitFlag = false; // Reset flag so future commits will not be ignored.
- }
- }
- }
-
- mSelectTextOnCommit = false;
-
- DALI_LOG_INFO(gLogFilter, Debug::General, "CommitReceived << mCursorPos[%d] mPreEditFlag[%d] update[%s] \n",
- mCursorPosition, mPreEditFlag, (update)?"true":"false" );
-
- return update;
-}
-
-// End of IMF related methods
-
-std::size_t TextInput::DeletePreEdit()
-{
- DALI_LOG_INFO(gLogFilter, Debug::General, ">>DeletePreEdit mPreEditFlag[%s] \n", (mPreEditFlag)?"true":"false");
-
- DALI_ASSERT_DEBUG( mPreEditFlag );
-
- const std::size_t preEditStringLength = mPreEditString.GetLength();
- const std::size_t styledTextSize = mStyledText.size();
-
- std::size_t endPosition = mPreEditStartPosition + preEditStringLength;
-
- // Prevents erase items outside mStyledText bounds.
- if( mPreEditStartPosition > styledTextSize )
- {
- DALI_ASSERT_DEBUG( !"TextInput::DeletePreEdit. mPreEditStartPosition > mStyledText.size()" );
- mPreEditStartPosition = styledTextSize;
- }
-
- if( ( endPosition > styledTextSize ) || ( endPosition < mPreEditStartPosition ) )
- {
- DALI_ASSERT_DEBUG( !"TextInput::DeletePreEdit. ( endPosition > mStyledText.size() ) || ( endPosition < mPreEditStartPosition )" );
- endPosition = styledTextSize;
- }
-
- mStyledText.erase( mStyledText.begin() + mPreEditStartPosition, mStyledText.begin() + endPosition );
-
- // DeletePreEdit() doesn't remove characters from the text-view because may be followed by an InsertAt() which inserts characters,
- // in that case, the Insert should use the returned number of deleted characters and replace the text which helps the text-view to
- // reuse glyphs.
- // In case DeletePreEdit() is not followed by an InsertAt() characters must be deleted after this call.
-
- return preEditStringLength;
-}
-
-void TextInput::PreEditReset( bool preserveCursorPosition )
-{
- DALI_LOG_INFO(gLogFilter, Debug::General, "PreEditReset preserveCursorPos[%d] mCursorPos[%d] \n",
- preserveCursorPosition, mCursorPosition);
-
- // 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.
- mPreserveCursorPosition = preserveCursorPosition;
-
- // Reset incase we are in a pre-edit state.
- ImfManager imfManager = ImfManager::Get();
- if ( imfManager )
- {
- imfManager.Reset(); // Will trigger a commit message
- }
-}
-
-void TextInput::CursorUpdate()
-{
- DrawCursor();
-
- ImfManager imfManager = ImfManager::Get();
- if ( imfManager )
- {
- std::string text( GetText() );
- imfManager.SetSurroundingText( text ); // Notifying IMF of a cursor change triggers a surrounding text request so updating it now.
- imfManager.SetCursorPosition ( mCursorPosition );
- imfManager.NotifyCursorPosition();
- }
-}
-
-/* Delete highlighted characters redisplay*/
-void TextInput::DeleteHighlightedText( bool inheritStyle )
-{
- DALI_LOG_INFO( gLogFilter, Debug::General, "DeleteHighlightedText handlePosOne[%u] handlePosTwo[%u]\n", mSelectionHandleOnePosition, mSelectionHandleTwoPosition);
-
- if( mHighlightMeshActor )
- {
- mCursorPosition = std::min( mSelectionHandleOnePosition, mSelectionHandleTwoPosition );
-
- MarkupProcessor::StyledTextArray::iterator start = mStyledText.begin() + mCursorPosition;
- MarkupProcessor::StyledTextArray::iterator end = mStyledText.begin() + std::max( mSelectionHandleOnePosition, mSelectionHandleTwoPosition );
-
- // Get the styled text of the characters to be deleted as it may be needed if
- // the "exceed the text-input's boundaries" option is disabled.
- MarkupProcessor::StyledTextArray styledCharactersToDelete;
-
- styledCharactersToDelete.insert( styledCharactersToDelete.begin(), start, end );
-
- mStyledText.erase( start, end ); // erase range of characters
-
- // Remove text from TextView and update place holder text if required
-
- // Set the placeholder text only if the styled text is empty.
- if( mStyledText.empty() )
- {
- ShowPlaceholderText( mStyledPlaceHolderText );
- }
- else
- {
- const std::size_t numberOfCharacters = std::max( mSelectionHandleOnePosition, mSelectionHandleTwoPosition ) - mCursorPosition;
-
- mDisplayedTextView.RemoveTextFrom( mCursorPosition, numberOfCharacters );
-
- // It may happen than after removing a white space or a new line character,
- // two words merge, this new word could be big enough to not fit in its
- // current line, so moved to the next one, and make some part of the text to
- // exceed the text-input's boundary.
- if( !mExceedEnabled )
- {
- // Get the new text layout after removing some characters.
- mDisplayedTextView.GetTextLayoutInfo( mTextLayoutInfo );
-
- // Get text-input's size.
- const Vector3& size = GetControlSize();
-
- if( ( mTextLayoutInfo.mTextSize.width > size.width ) ||
- ( mTextLayoutInfo.mTextSize.height > size.height ) )
- {
- mDisplayedTextView.InsertTextAt( mCursorPosition, styledCharactersToDelete );
-
- mStyledText.insert( mStyledText.begin() + mCursorPosition,
- styledCharactersToDelete.begin(),
- styledCharactersToDelete.end() );
- }
- }
- }
- GetTextLayoutInfo();
-
- RemoveHighlight();
-
- EmitTextModified();
-
- if( inheritStyle )
- {
- const TextStyle oldInputStyle( mInputStyle );
-
- mInputStyle = GetStyleAtCursor(); // Inherit style from cursor position
-
- if( oldInputStyle != mInputStyle )
- {
- // Updates the line height accordingly with the input style.
- UpdateLineHeight();
-
- EmitStyleChangedSignal();
- }
- }
- }
-}
-
-void TextInput::DeleteRange( const std::size_t start, const std::size_t ncharacters )
-{
- DALI_ASSERT_DEBUG( start <= mStyledText.size() );
- DALI_ASSERT_DEBUG( !mStyledText.empty() );
-
- DALI_LOG_INFO(gLogFilter, Debug::General, ">>DeleteRange pre mStyledText[%s] mPreEditFlag[%s] \n", GetText().c_str(), (mPreEditFlag)?"true":"false");
-
-
- if ( ( !mStyledText.empty()) && ( ( start + ncharacters ) <= mStyledText.size() ) )
- {
- MarkupProcessor::StyledTextArray::iterator itStart = mStyledText.begin() + start;
- MarkupProcessor::StyledTextArray::iterator itEnd = mStyledText.begin() + start + ncharacters;
-
- mStyledText.erase(itStart, itEnd);
-
- // update the selection handles if they are visible.
- if( mHighlightMeshActor )
- {
- std::size_t& minHandle = ( mSelectionHandleOnePosition <= mSelectionHandleTwoPosition ? mSelectionHandleOnePosition : mSelectionHandleTwoPosition );
- std::size_t& maxHandle = ( mSelectionHandleTwoPosition > mSelectionHandleOnePosition ? mSelectionHandleTwoPosition : mSelectionHandleOnePosition );
-
- if( minHandle >= start + ncharacters )
- {
- minHandle -= ncharacters;
- }
- else if( ( minHandle > start ) && ( minHandle < start + ncharacters ) )
- {
- minHandle = start;
- }
-
- if( maxHandle >= start + ncharacters )
- {
- maxHandle -= ncharacters;
- }
- else if( ( maxHandle > start ) && ( maxHandle < start + ncharacters ) )
- {
- maxHandle = start;
- }
- }
-
- // 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.
- }
-
- DALI_LOG_INFO(gLogFilter, Debug::General, "DeleteRange<< post mStyledText[%s] mPreEditFlag[%s] \n", GetText().c_str(), (mPreEditFlag)?"true":"false");
-
- // Although mStyledText has been set to a new text string we no longer re-draw the text or notify the cursor change.
- // This is a performance decision as the use of this function often means the text is being replaced or just deleted.
- // Mean we do not re-draw the text more than we have too.
-}
-
-/* Delete character at current cursor position and redisplay*/
-void TextInput::DeleteCharacter( std::size_t positionToDelete )
-{
- // Ensure positionToDelete is not out of bounds.
- DALI_ASSERT_DEBUG( positionToDelete <= mStyledText.size() );
- DALI_ASSERT_DEBUG( !mStyledText.empty() );
- DALI_ASSERT_DEBUG( positionToDelete > 0 );
-
- DALI_LOG_INFO(gLogFilter, Debug::General, "DeleteCharacter positionToDelete[%u]", positionToDelete );
-
-
- if ( ( !mStyledText.empty()) && ( positionToDelete > 0 ) && positionToDelete <= mStyledText.size() ) // don't try to delete if no characters left of cursor
- {
- MarkupProcessor::StyledTextArray::iterator it = mStyledText.begin() + positionToDelete - 1;
-
- // Get the styled text of the character to be deleted as it may be needed if
- // the "exceed the text-input's boundaries" option is disabled.
- const MarkupProcessor::StyledText styledCharacterToDelete( *it );
-
- mStyledText.erase(it); // erase the character left of positionToDelete
-
- if( mStyledText.empty() )
- {
- ShowPlaceholderText( mStyledPlaceHolderText );
- }
- else
- {
- mDisplayedTextView.RemoveTextFrom( positionToDelete - 1, 1 );
-
- const Character characterToDelete = styledCharacterToDelete.mText[0];
-
- // It may happen than after removing a white space or a new line character,
- // two words merge, this new word could be big enough to not fit in its
- // current line, so moved to the next one, and make some part of the text to
- // exceed the text-input's boundary.
- if( !mExceedEnabled )
- {
- if( characterToDelete.IsWhiteSpace() || characterToDelete.IsNewLine() )
- {
- // Get the new text layout after removing one character.
- mDisplayedTextView.GetTextLayoutInfo( mTextLayoutInfo );
-
- // Get text-input's size.
- const Vector3& size = GetControlSize();
-
- if( ( mTextLayoutInfo.mTextSize.width > size.width ) ||
- ( mTextLayoutInfo.mTextSize.height > size.height ) )
- {
- MarkupProcessor::StyledTextArray array;
- array.push_back( styledCharacterToDelete );
- mDisplayedTextView.InsertTextAt( positionToDelete - 1, array );
-
- mStyledText.insert( mStyledText.begin() + ( positionToDelete - 1 ), styledCharacterToDelete );
- }
- }
- }
- }
- GetTextLayoutInfo();
-
- ShowGrabHandleAndSetVisibility( false );
-
- mCursorPosition = positionToDelete -1;
-
- const TextStyle oldInputStyle( mInputStyle );
-
- mInputStyle = GetStyleAtCursor(); // Inherit style from cursor position
-
- if( oldInputStyle != mInputStyle )
- {
- // Updates the line height accordingly with the input style.
- UpdateLineHeight();
-
- EmitStyleChangedSignal();
- }
- }
-}
-
-/*Insert new character into the string and (optionally) redisplay text-input*/
-std::size_t TextInput::InsertAt( const Text& newText, const std::size_t insertionPosition, const std::size_t numberOfCharactersToReplace )
-{
- DALI_LOG_INFO(gLogFilter, Debug::General, "InsertAt insertionPosition[%u]\n", insertionPosition );
-
- // Ensure insertionPosition is not out of bounds.
- DALI_ASSERT_ALWAYS( insertionPosition <= mStyledText.size() );
-
- bool textExceedsMaximunNumberOfCharacters = false;
- bool textExceedsBoundary = false;
- std::size_t insertedStringLength = DoInsertAt( newText, insertionPosition, numberOfCharactersToReplace, textExceedsMaximunNumberOfCharacters, textExceedsBoundary );
-
- ShowGrabHandleAndSetVisibility( false );
-
- if( textExceedsMaximunNumberOfCharacters || textExceedsBoundary )
- {
- if( mPreEditFlag )
- {
- mIgnoreCommitFlag = true;
- mPreEditFlag = false;
- // A PreEditReset( false ) should be triggered from here if the keyboards predictive suggestions must be cleared.
- // Although can not directly call PreEditReset() as it will cause a recursive emit loop.
- }
-
- if( textExceedsMaximunNumberOfCharacters )
- {
- EmitMaxInputCharactersReachedSignal();
- }
-
- if( textExceedsBoundary )
- {
- EmitInputTextExceedsBoundariesSignal();
- PreEditReset( false );
- }
- }
-
- return insertedStringLength;
-}
-
-ImageActor TextInput::CreateCursor( const Vector4& color)
-{
- ImageActor cursor;
- cursor = CreateSolidColorActor(color);
- cursor.SetName( "Cursor" );
-
- cursor.SetParentOrigin(ParentOrigin::TOP_LEFT);
- cursor.SetAnchorPoint(AnchorPoint::BOTTOM_LEFT);
- cursor.SetVisible(false);
-
- return cursor;
-}
-
-void TextInput::AdvanceCursor(bool reverse, std::size_t places)
-{
- // As cursor is not moving due to grab handle, handle should be hidden.
- ShowGrabHandleAndSetVisibility( false );
-
- bool cursorPositionChanged = false;
- if (reverse)
- {
- if ( mCursorPosition >= places )
- {
- mCursorPosition = mCursorPosition - places;
- cursorPositionChanged = true;
- }
- }
- else
- {
- if ((mCursorPosition + places) <= mStyledText.size())
- {
- mCursorPosition = mCursorPosition + places;
- cursorPositionChanged = true;
- }
- }
-
- if( cursorPositionChanged )
- {
- const std::size_t cursorPositionForStyle = ( 0 == mCursorPosition ? 0 : mCursorPosition - 1 );
-
- const TextStyle oldInputStyle( mInputStyle );
- mInputStyle = GetStyleAt( cursorPositionForStyle ); // Inherit style from selected position.
-
- DrawCursor();
-
- if( oldInputStyle != mInputStyle )
- {
- // Updates the line height accordingly with the input style.
- UpdateLineHeight();
-
- EmitStyleChangedSignal();
- }
-
- ImfManager imfManager = ImfManager::Get();
- if ( imfManager )
- {
- imfManager.SetCursorPosition ( mCursorPosition );
- imfManager.NotifyCursorPosition();
- }
- }
-}
-
-void TextInput::DrawCursor()
-{
- const Size rowRect = GetRowRectFromCharacterPosition( mCursorPosition );
-
- // Get height of cursor and set its size
- Size size( CURSOR_THICKNESS, 0.0f );
- if( !mTextLayoutInfo.mCharacterLayoutInfoTable.empty() )
- {
- size.height = rowRect.height;
- }
- else
- {
- // Measure Font so know how big text will be if no initial text to measure.
- size.height = mLineHeight;
- }
-
- mCursor.SetSize(size);
-
- // If the character is italic then the cursor also tilts.
- mCursor.SetRotation( mInputStyle.IsItalicsEnabled() ? Degree( mInputStyle.GetItalicsAngle() - CURSOR_ANGLE_OFFSET ) : Degree( 0.f ), Vector3::ZAXIS );
-
- DALI_ASSERT_DEBUG( mCursorPosition <= mTextLayoutInfo.mCharacterLayoutInfoTable.size() );
-
- if( ( mCursorPosition <= mTextLayoutInfo.mCharacterLayoutInfoTable.size() ) )
- {
- Vector3 altPosition; // Alternate (i.e. opposite direction) cursor position.
- bool altPositionValid; // Alternate cursor validity flag.
- bool directionRTL; // Need to know direction of primary cursor (in case we have 2 cursors and need to show them differently)
- Vector3 position = GetActualPositionFromCharacterPosition( mCursorPosition, directionRTL, altPosition, altPositionValid );
-
- SetAltCursorEnabled( altPositionValid );
-
- if( !altPositionValid )
- {
- mCursor.SetPosition( position + UI_OFFSET );
- }
- else
- {
- size.height *= 0.5f;
- mCursor.SetSize(size);
- mCursor.SetPosition( position + UI_OFFSET - Vector3( 0.0f, directionRTL ? 0.0f : size.height, 0.0f ) );
-
- // TODO: change this cursor pos, to be the one where the cursor is sourced from.
- size.height = rowRect.height * 0.5f;
- mCursorRTL.SetSize(size);
- mCursorRTL.SetPosition( altPosition + UI_OFFSET - Vector3( 0.0f, directionRTL ? size.height : 0.0f, 0.0f ) );
- }
-
- if( IsScrollEnabled() )
- {
- // Whether cursor and grab handle are inside the boundaries of the text-input when text scroll is enabled.
- mIsCursorInScrollArea = mIsGrabHandleInScrollArea = IsPositionInsideBoundaries( position, size, GetControlSize() );
- }
- } // EditMode
-}
-
-void TextInput::SetAltCursorEnabled( bool enabled )
-{
- mCursorRTLEnabled = enabled;
- mCursorRTL.SetVisible( mCursorVisibility && mCursorRTLEnabled );
-}
-
-void TextInput::SetCursorVisibility( bool visible )
-{
- mCursorVisibility = visible;
- mCursor.SetVisible( mCursorVisibility && mIsCursorInScrollArea );
- mCursorRTL.SetVisible( mCursorVisibility && mCursorRTLEnabled );
-}
-
-void TextInput::CreateGrabHandle( Dali::Image image )
-{
- if ( !mGrabHandle )
- {
- if ( !image )
- {
- mGrabHandleImage = Image::New(DEFAULT_GRAB_HANDLE);
- }
- else
- {
- mGrabHandleImage = image;
- }
-
- mGrabHandle = ImageActor::New(mGrabHandleImage);
- mGrabHandle.SetParentOrigin(ParentOrigin::TOP_LEFT);
- mGrabHandle.SetAnchorPoint(AnchorPoint::TOP_CENTER);
-
- mGrabHandle.SetDrawMode(DrawMode::OVERLAY);
-
- ShowGrabHandleAndSetVisibility( false );
-
- CreateGrabArea( mGrabHandle );
-
- mActiveLayer.Add(mGrabHandle);
- }
-}
-
-void TextInput::CreateGrabArea( Actor& parent )
-{
- mGrabArea = Actor::New(); // Area that Grab handle responds to, larger than actual handle so easier to move
- mGrabArea.SetName( "GrabArea" );
- mGrabArea.SetPositionInheritanceMode( Dali::USE_PARENT_POSITION );
- mGrabArea.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), RelativeToConstraint( DEFAULT_GRAB_HANDLE_RELATIVE_SIZE ) ) ); // grab area to be larger than text actor
- mGrabArea.TouchedSignal().Connect(this,&TextInput::OnPressDown);
- mTapDetector.Attach( mGrabArea );
- mPanGestureDetector.Attach( mGrabArea );
- mLongPressDetector.Attach( mGrabArea );
-
- parent.Add(mGrabArea);
-}
-
-Vector3 TextInput::MoveGrabHandle( const Vector2& displacement )
-{
- Vector3 actualHandlePosition;
-
- if (mGrabHandle)
- {
- mActualGrabHandlePosition.x += displacement.x;
- mActualGrabHandlePosition.y += displacement.y;
-
- // Grab handle should jump to the nearest character and take cursor with it
- std::size_t newCursorPosition = 0;
- ReturnClosestIndex( mActualGrabHandlePosition.GetVectorXY(), newCursorPosition );
-
- Vector3 altPosition; // Alternate (i.e. opposite direction) cursor position.
- bool altPositionValid; // Alternate cursor validity flag.
- bool directionRTL; // Need to know direction of primary cursor (in case we have 2 cursors and need to show them differently)
- actualHandlePosition = GetActualPositionFromCharacterPosition( newCursorPosition, directionRTL, altPosition, altPositionValid );
-
- if( altPositionValid )
- {
- // Check which of the positions is the closest.
- if( fabsf( altPosition.x - mActualGrabHandlePosition.x ) < fabsf( actualHandlePosition.x - mActualGrabHandlePosition.x ) )
- {
- actualHandlePosition = altPosition;
- }
- }
-
- bool handleVisible = true;
-
- if( IsScrollEnabled() )
- {
- const Vector3 controlSize = GetControlSize();
- const Size cursorSize = GetRowRectFromCharacterPosition( newCursorPosition );
- // Scrolls the text if the handle is not in a visible position
- handleVisible = IsPositionInsideBoundaries( actualHandlePosition,
- cursorSize,
- controlSize );
-
- if( handleVisible )
- {
- StopScrollTimer();
- mCurrentHandlePosition = actualHandlePosition;
- mScrollDisplacement = Vector2::ZERO;
- }
- else
- {
- if( ( actualHandlePosition.x < SCROLL_THRESHOLD ) && ( displacement.x <= 0.f ) )
- {
- mScrollDisplacement.x = -SCROLL_SPEED;
- }
- else if( ( actualHandlePosition.x > controlSize.width - SCROLL_THRESHOLD ) && ( displacement.x >= 0.f ) )
- {
- mScrollDisplacement.x = SCROLL_SPEED;
- }
- if( ( actualHandlePosition.y < SCROLL_THRESHOLD ) && ( displacement.y <= 0.f ) )
- {
- mScrollDisplacement.y = -SCROLL_SPEED;
- }
- else if( ( actualHandlePosition.y > controlSize.height - SCROLL_THRESHOLD ) && ( displacement.y >= 0.f ) )
- {
- mScrollDisplacement.y = SCROLL_SPEED;
- }
- StartScrollTimer();
- }
- }
-
- if( handleVisible && // Only redraw cursor and do updates if position changed
- ( newCursorPosition != mCursorPosition ) ) // and the new position is visible (if scroll is not enabled, it's always true).
- {
- mCursorPosition = newCursorPosition;
-
- mGrabHandle.SetPosition( actualHandlePosition + UI_OFFSET );
-
- const TextStyle oldInputStyle( mInputStyle );
-
- mInputStyle = GetStyleAtCursor(); //Inherit style from cursor position
-
- CursorUpdate(); // Let keyboard know the new cursor position so can 're-capture' for prediction.
-
- if( oldInputStyle != mInputStyle )
- {
- // Updates the line height accordingly with the input style.
- UpdateLineHeight();
-
- EmitStyleChangedSignal();
- }
- }
- }
-
- return actualHandlePosition;
-}
-
-void TextInput::ShowGrabHandle( bool visible )
-{
- if ( IsGrabHandleEnabled() )
- {
- if( mGrabHandle )
- {
- mGrabHandle.SetVisible( mGrabHandleVisibility );
- }
- StartMonitoringStageForTouch();
- }
-}
-
-void TextInput::ShowGrabHandleAndSetVisibility( bool visible )
-{
- mGrabHandleVisibility = visible;
- ShowGrabHandle( visible );
-}
-
-// Callbacks connected to be Property notifications for Boundary checking.
-
-void TextInput::OnLeftBoundaryExceeded(PropertyNotification& source)
-{
- mIsSelectionHandleOneFlipped = true;
- mSelectionHandleOne.SetScale( -1.0f, 1.0f, 1.0f );
- mSelectionHandleOne.SetAnchorPoint( AnchorPoint::TOP_LEFT);
-}
-
-void TextInput::OnReturnToLeftBoundary(PropertyNotification& source)
-{
- mIsSelectionHandleOneFlipped = false;
- mSelectionHandleOne.SetScale( 1.0f, 1.0f, 1.0f );
- mSelectionHandleOne.SetAnchorPoint( AnchorPoint::TOP_RIGHT);
-}
-
-void TextInput::OnRightBoundaryExceeded(PropertyNotification& source)
-{
- mIsSelectionHandleTwoFlipped = true;
- mSelectionHandleTwo.SetScale( -1.0f, 1.0f, 1.0f );
- mSelectionHandleTwo.SetAnchorPoint( AnchorPoint::TOP_RIGHT);
-}
-
-void TextInput::OnReturnToRightBoundary(PropertyNotification& source)
-{
- mIsSelectionHandleTwoFlipped = false;
- mSelectionHandleTwo.SetScale( 1.0f, 1.0f, 1.0f );
- mSelectionHandleTwo.SetAnchorPoint( AnchorPoint::TOP_LEFT);
-}
-
-// todo change PropertyNotification signal definition to include Actor. Hence won't need duplicate functions.
-void TextInput::OnHandleOneLeavesBoundary( PropertyNotification& source)
-{
- mSelectionHandleOne.SetOpacity(0.0f);
-}
-
-void TextInput::OnHandleOneWithinBoundary(PropertyNotification& source)
-{
- mSelectionHandleOne.SetOpacity(1.0f);
-}
-
-void TextInput::OnHandleTwoLeavesBoundary( PropertyNotification& source)
-{
- mSelectionHandleTwo.SetOpacity(0.0f);
-}
-
-void TextInput::OnHandleTwoWithinBoundary(PropertyNotification& source)
-{
- mSelectionHandleTwo.SetOpacity(1.0f);
-}
-
-// End of Callbacks connected to be Property notifications for Boundary checking.
-
-void TextInput::SetUpHandlePropertyNotifications()
-{
- /* Property notifications for handles exceeding the boundary and returning back within boundary */
-
- Vector3 handlesize = GetSelectionHandleSize();
-
- // Exceeding horizontal boundary
- PropertyNotification leftNotification = mSelectionHandleOne.AddPropertyNotification( Actor::WORLD_POSITION_X, LessThanCondition( mBoundingRectangleWorldCoordinates.x + handlesize.x) );
- leftNotification.NotifySignal().Connect( this, &TextInput::OnLeftBoundaryExceeded );
-
- PropertyNotification rightNotification = mSelectionHandleTwo.AddPropertyNotification( Actor::WORLD_POSITION_X, GreaterThanCondition( mBoundingRectangleWorldCoordinates.z - handlesize.x ) );
- rightNotification.NotifySignal().Connect( this, &TextInput::OnRightBoundaryExceeded );
-
- // Within horizontal boundary
- PropertyNotification leftLeaveNotification = mSelectionHandleOne.AddPropertyNotification( Actor::WORLD_POSITION_X, GreaterThanCondition( mBoundingRectangleWorldCoordinates.x + 2*handlesize.x ) );
- leftLeaveNotification.NotifySignal().Connect( this, &TextInput::OnReturnToLeftBoundary );
-
- PropertyNotification rightLeaveNotification = mSelectionHandleTwo.AddPropertyNotification( Actor::WORLD_POSITION_X, LessThanCondition( mBoundingRectangleWorldCoordinates.z - 2*handlesize.x ) );
- rightLeaveNotification.NotifySignal().Connect( this, &TextInput::OnReturnToRightBoundary );
-
- // Exceeding vertical boundary
- PropertyNotification verticalExceedNotificationOne = mSelectionHandleOne.AddPropertyNotification( Actor::WORLD_POSITION_Y,
- OutsideCondition( mBoundingRectangleWorldCoordinates.y + handlesize.y,
- mBoundingRectangleWorldCoordinates.w - handlesize.y ) );
- verticalExceedNotificationOne.NotifySignal().Connect( this, &TextInput::OnHandleOneLeavesBoundary );
-
- PropertyNotification verticalExceedNotificationTwo = mSelectionHandleTwo.AddPropertyNotification( Actor::WORLD_POSITION_Y,
- OutsideCondition( mBoundingRectangleWorldCoordinates.y + handlesize.y,
- mBoundingRectangleWorldCoordinates.w - handlesize.y ) );
- verticalExceedNotificationTwo.NotifySignal().Connect( this, &TextInput::OnHandleTwoLeavesBoundary );
-
- // Within vertical boundary
- PropertyNotification verticalWithinNotificationOne = mSelectionHandleOne.AddPropertyNotification( Actor::WORLD_POSITION_Y,
- InsideCondition( mBoundingRectangleWorldCoordinates.y + handlesize.y,
- mBoundingRectangleWorldCoordinates.w - handlesize.y ) );
- verticalWithinNotificationOne.NotifySignal().Connect( this, &TextInput::OnHandleOneWithinBoundary );
-
- PropertyNotification verticalWithinNotificationTwo = mSelectionHandleTwo.AddPropertyNotification( Actor::WORLD_POSITION_Y,
- InsideCondition( mBoundingRectangleWorldCoordinates.y + handlesize.y,
- mBoundingRectangleWorldCoordinates.w - handlesize.y ) );
- verticalWithinNotificationTwo.NotifySignal().Connect( this, &TextInput::OnHandleTwoWithinBoundary );
-}
-
-void TextInput::CreateSelectionHandles( std::size_t start, std::size_t end, Dali::Image handleOneImage, Dali::Image handleTwoImage )
-{
- mSelectionHandleOnePosition = start;
- mSelectionHandleTwoPosition = end;
-
- if ( !mSelectionHandleOne )
- {
- // create normal and pressed images
- mSelectionHandleOneImage = Image::New( DEFAULT_SELECTION_HANDLE_ONE );
- mSelectionHandleOneImagePressed = Image::New( DEFAULT_SELECTION_HANDLE_ONE_PRESSED );
-
- mSelectionHandleOne = ImageActor::New( mSelectionHandleOneImage );
- mSelectionHandleOne.SetName("SelectionHandleOne");
- mSelectionHandleOne.SetParentOrigin( ParentOrigin::TOP_LEFT );
- mSelectionHandleOne.SetAnchorPoint( AnchorPoint::TOP_RIGHT ); // Change to BOTTOM_RIGHT if Look'n'Feel requires handle above text.
- mIsSelectionHandleOneFlipped = false;
- mSelectionHandleOne.SetDrawMode( DrawMode::OVERLAY ); // ensure grab handle above text
-
- mHandleOneGrabArea = Actor::New(); // Area that Grab handle responds to, larger than actual handle so easier to move
- mHandleOneGrabArea.SetName("SelectionHandleOneGrabArea");
-
- mHandleOneGrabArea.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), RelativeToConstraint( DEFAULT_SELECTION_HANDLE_RELATIVE_SIZE ) ) ); // grab area to be larger than text actor
- mHandleOneGrabArea.SetPositionInheritanceMode( Dali::USE_PARENT_POSITION );
-
- mTapDetector.Attach( mHandleOneGrabArea );
- mPanGestureDetector.Attach( mHandleOneGrabArea );
-
- mHandleOneGrabArea.TouchedSignal().Connect(this,&TextInput::OnHandleOneTouched);
-
- mSelectionHandleOne.Add( mHandleOneGrabArea );
- mActiveLayer.Add( mSelectionHandleOne );
- }
-
- if ( !mSelectionHandleTwo )
- {
- // create normal and pressed images
- mSelectionHandleTwoImage = Image::New( DEFAULT_SELECTION_HANDLE_TWO );
- mSelectionHandleTwoImagePressed = Image::New( DEFAULT_SELECTION_HANDLE_TWO_PRESSED );
-
- mSelectionHandleTwo = ImageActor::New( mSelectionHandleTwoImage );
- mSelectionHandleTwo.SetName("SelectionHandleTwo");
- mSelectionHandleTwo.SetParentOrigin( ParentOrigin::TOP_LEFT );
- mSelectionHandleTwo.SetAnchorPoint( AnchorPoint::TOP_LEFT );
- mIsSelectionHandleTwoFlipped = false;
- mSelectionHandleTwo.SetDrawMode(DrawMode::OVERLAY); // ensure grab handle above text
-
- mHandleTwoGrabArea = Actor::New(); // Area that Grab handle responds to, larger than actual handle so easier to move
- mHandleTwoGrabArea.SetName("SelectionHandleTwoGrabArea");
- mHandleTwoGrabArea.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), RelativeToConstraint( DEFAULT_SELECTION_HANDLE_RELATIVE_SIZE ) ) ); // grab area to be larger than text actor
- mHandleTwoGrabArea.SetPositionInheritanceMode( Dali::USE_PARENT_POSITION );
-
- mTapDetector.Attach( mHandleTwoGrabArea );
- mPanGestureDetector.Attach( mHandleTwoGrabArea );
-
- mHandleTwoGrabArea.TouchedSignal().Connect(this, &TextInput::OnHandleTwoTouched);
-
- mSelectionHandleTwo.Add( mHandleTwoGrabArea );
-
- mActiveLayer.Add( mSelectionHandleTwo );
- }
-
- SetUpHandlePropertyNotifications();
-
- // update table as text may have changed.
- GetTextLayoutInfo();
-
- Vector3 altPositionOne; // Alternate (i.e. opposite direction) cursor position.
- bool altPositionValidOne; // Alternate cursor validity flag.
- bool directionRTLOne; // Need to know direction of primary cursor (in case we have 2 cursors and need to show them differently)
- Vector3 cursorPositionOne = GetActualPositionFromCharacterPosition( mSelectionHandleOnePosition, directionRTLOne, altPositionOne, altPositionValidOne );
-
- Vector3 altPositionTwo; // Alternate (i.e. opposite direction) cursor position.
- bool altPositionValidTwo; // Alternate cursor validity flag.
- bool directionRTLTwo; // Need to know direction of primary cursor (in case we have 2 cursors and need to show them differently)
- Vector3 cursorPositionTwo = GetActualPositionFromCharacterPosition( mSelectionHandleTwoPosition, directionRTLTwo, altPositionTwo, altPositionValidTwo );
-
- // VCC TODO: This method is a hack for one line.
- ChooseRtlSelectionHandlePosition( cursorPositionOne,
- cursorPositionTwo,
- altPositionValidOne,
- altPositionValidTwo,
- altPositionOne,
- altPositionTwo );
-
- mSelectionHandleOne.SetPosition( mSelectionHandleOneActualPosition + UI_OFFSET + mSelectionHandleOneOffset );
- mSelectionHandleTwo.SetPosition( mSelectionHandleTwoActualPosition + UI_OFFSET + mSelectionHandleTwoOffset );
-
- // Calculates and set the visibility if the scroll mode is enabled.
- bool isSelectionHandleOneVisible = true;
- bool isSelectionHandleTwoVisible = true;
- if( IsScrollEnabled() )
- {
- const Vector3& controlSize( GetControlSize() );
- isSelectionHandleOneVisible = IsPositionInsideBoundaries( mSelectionHandleOneActualPosition, Size::ZERO, controlSize );
- isSelectionHandleTwoVisible = IsPositionInsideBoundaries( mSelectionHandleTwoActualPosition, Size::ZERO, controlSize );
- mSelectionHandleOne.SetVisible( isSelectionHandleOneVisible );
- mSelectionHandleTwo.SetVisible( isSelectionHandleTwoVisible );
- }
-
- CreateHighlight(); // function will only create highlight if not already created.
-}
-
-Vector3 TextInput::MoveSelectionHandle( SelectionHandleId handleId, const Vector2& displacement )
-{
- Vector3 actualHandlePosition;
-
- if ( mSelectionHandleOne && mSelectionHandleTwo )
- {
- const Vector3& controlSize = GetControlSize();
-
- Size cursorSize( CURSOR_THICKNESS, 0.f );
-
- // Get a reference of the wanted selection handle (handle one or two).
- Vector3& actualSelectionHandlePosition = ( handleId == HandleOne ) ? mSelectionHandleOneActualPosition : mSelectionHandleTwoActualPosition;
-
- // Get a reference for the current position of the handle and a copy of its pair
- std::size_t& currentSelectionHandlePosition = ( handleId == HandleOne ) ? mSelectionHandleOnePosition : mSelectionHandleTwoPosition;
- const std::size_t pairSelectionHandlePosition = ( handleId == HandleOne ) ? mSelectionHandleTwoPosition : mSelectionHandleOnePosition;
-
- // Get a handle of the selection handle actor
- ImageActor selectionHandleActor = ( handleId == HandleOne ) ? mSelectionHandleOne : mSelectionHandleTwo;
-
- // Selection handles should jump to the nearest character
- std::size_t newHandlePosition = 0;
- ReturnClosestIndex( actualSelectionHandlePosition.GetVectorXY(), newHandlePosition );
-
- Vector3 altPosition; // Alternate (i.e. opposite direction) cursor position.
- bool altPositionValid; // Alternate cursor validity flag.
- bool directionRTL; // Need to know direction of primary cursor (in case we have 2 cursors and need to show them differently)
- actualHandlePosition = GetActualPositionFromCharacterPosition( newHandlePosition, directionRTL, altPosition, altPositionValid );
- if( altPositionValid )
- {
- // Check which of the positions is the closest.
- if( fabsf( altPosition.x - actualSelectionHandlePosition.x ) < fabsf( actualHandlePosition.x - actualSelectionHandlePosition.x ) )
- {
- actualHandlePosition = altPosition;
- }
- }
-
- bool handleVisible = true;
-
- if( IsScrollEnabled() )
- {
- mCurrentSelectionId = handleId;
-
- cursorSize.height = GetRowRectFromCharacterPosition( newHandlePosition ).height;
- // Restricts the movement of the grab handle inside the boundaries of the text-input.
- handleVisible = IsPositionInsideBoundaries( actualHandlePosition,
- cursorSize,
- controlSize );
-
- if( handleVisible )
- {
- StopScrollTimer();
- mCurrentSelectionHandlePosition = actualHandlePosition;
- mScrollDisplacement = Vector2::ZERO;
- }
- else
- {
- if( ( actualHandlePosition.x < SCROLL_THRESHOLD ) && ( displacement.x <= 0.f ) )
- {
- mScrollDisplacement.x = -SCROLL_SPEED;
- }
- else if( ( actualHandlePosition.x > controlSize.width - SCROLL_THRESHOLD ) && ( displacement.x >= 0.f ) )
- {
- mScrollDisplacement.x = SCROLL_SPEED;
- }
- if( ( actualHandlePosition.y < SCROLL_THRESHOLD ) && ( displacement.y <= 0.f ) )
- {
- mScrollDisplacement.y = -SCROLL_SPEED;
- }
- else if( ( actualHandlePosition.y > controlSize.height - SCROLL_THRESHOLD ) && ( displacement.y >= 0.f ) )
- {
- mScrollDisplacement.y = SCROLL_SPEED;
- }
- StartScrollTimer();
- }
- }
-
- if ( handleVisible && // Ensure the handle is visible.
- ( newHandlePosition != pairSelectionHandlePosition ) && // Ensure handle one is not the same position as handle two.
- ( newHandlePosition != currentSelectionHandlePosition ) ) // Ensure the handle has moved.
- {
- currentSelectionHandlePosition = newHandlePosition;
-
- Vector3 selectionHandleOffset = ( handleId == HandleOne ) ? mSelectionHandleOneOffset : mSelectionHandleTwoOffset;
- selectionHandleActor.SetPosition( actualHandlePosition + UI_OFFSET + selectionHandleOffset );
-
- UpdateHighlight();
-
- if ( handleId == HandleOne )
- {
- const TextStyle oldInputStyle( mInputStyle );
-
- // Set Active Style to that of first character in selection
- if( mSelectionHandleOnePosition < mStyledText.size() )
- {
- mInputStyle = ( mStyledText.at( mSelectionHandleOnePosition ) ).mStyle;
- }
-
- if( oldInputStyle != mInputStyle )
- {
- // Updates the line height accordingly with the input style.
- UpdateLineHeight();
-
- EmitStyleChangedSignal();
- }
- }
- }
- }
-
- return actualHandlePosition; // Returns Handle position passed in if new value not assigned.
-}
-
-void TextInput::SetSelectionHandlePosition(SelectionHandleId handleId)
-{
- const std::size_t selectionHandlePosition = ( handleId == HandleOne ) ? mSelectionHandleOnePosition : mSelectionHandleTwoPosition;
- ImageActor selectionHandleActor = ( handleId == HandleOne ) ? mSelectionHandleOne : mSelectionHandleTwo;
-
- if ( selectionHandleActor )
- {
- const Vector3 actualHandlePosition = GetActualPositionFromCharacterPosition( selectionHandlePosition );
- Vector3 selectionHandleOffset = ( handleId == HandleOne ) ? mSelectionHandleOneOffset : mSelectionHandleTwoOffset;
- selectionHandleActor.SetPosition( actualHandlePosition + UI_OFFSET + selectionHandleOffset );
-
- if( IsScrollEnabled() )
- {
- const Size cursorSize( CURSOR_THICKNESS,
- GetRowRectFromCharacterPosition( selectionHandlePosition ).height );
- selectionHandleActor.SetVisible( IsPositionInsideBoundaries( actualHandlePosition,
- cursorSize,
- GetControlSize() ) );
- }
- }
-}
-
-void TextInput::GetVisualTextSelection( std::vector<bool>& selectedVisualText, std::size_t startSelection, std::size_t endSelection )
-{
- selectedVisualText.resize( mTextLayoutInfo.mCharacterLogicalToVisualMap.size(), false );
-
- // VCC Set true/false in logical order. TODO : It needs to be checked.
-
- if( startSelection > endSelection )
- {
- std::swap( startSelection, endSelection );
- }
- std::size_t index = 0u;
- for( std::vector<bool>::iterator it = selectedVisualText.begin(), endIt = selectedVisualText.end(); it != endIt; ++it, ++index )
- {
- if( ( index < startSelection ) || ( endSelection <= index ) )
- {
- *it = false;
- }
- else
- {
- *it = true;
- }
- }
-}
-
-// Calculate the dimensions of the quads they will make the highlight mesh
-TextInput::HighlightInfo TextInput::CalculateHighlightInfo()
-{
- // At the moment there is no public API to modify the block alignment option.
-
- mNewHighlightInfo.mQuadList.clear(); // clear last quad information.
-
- if ( !mTextLayoutInfo.mCharacterLayoutInfoTable.empty() && !mTextLayoutInfo.mCharacterLogicalToVisualMap.empty() )
- {
- Toolkit::TextView::CharacterLayoutInfoContainer::iterator it = mTextLayoutInfo.mCharacterLayoutInfoTable.begin();
- Toolkit::TextView::CharacterLayoutInfoContainer::iterator end = mTextLayoutInfo.mCharacterLayoutInfoTable.end();
-
- // Get vector of flags representing characters that are selected (true) vs unselected (false).
- std::vector<bool> selectedVisualText;
- GetVisualTextSelection( selectedVisualText, mSelectionHandleOnePosition, mSelectionHandleTwoPosition );
- std::vector<bool>::iterator selectedIt = selectedVisualText.begin();
- std::vector<bool>::iterator selectedEndIt = selectedVisualText.end();
-
- SelectionState selectionState = SelectionNone; ///< Current selection status of cursor over entire text.
- float rowLeft = 0.0f;
- float rowRight = 0.0f;
- // Keep track of the TextView's min/max extents. Should be able to query this from TextView.
- float maxRowLeft = std::numeric_limits<float>::max();
- float maxRowRight = 0.0f;
-
- Toolkit::TextView::CharacterLayoutInfoContainer::iterator lastIt = it;
-
- // Scan through entire text.
- while(it != end)
- {
- // selectionState: None when not in selection, Started when in selection, and Ended when reached end of selection.
-
- Toolkit::TextView::CharacterLayoutInfo& charInfo(*it);
- bool charSelected = false;
- if( selectedIt != selectedEndIt )
- {
- charSelected = *selectedIt++;
- }
-
- if( selectionState == SelectionNone )
- {
- if( charSelected )
- {
- selectionState = SelectionStarted;
- rowLeft = charInfo.mPosition.x - mTextLayoutInfo.mScrollOffset.x;
- rowRight = rowLeft + charInfo.mSize.width;
- }
- }
- else if( selectionState == SelectionStarted )
- {
- // break selection on:
- // 1. new line causing selection break. (\n or wordwrap)
- // 2. character not selected.
- if( !charSelected ||
- ( charInfo.mPosition.y - lastIt->mPosition.y > CHARACTER_THRESHOLD ) )
- {
- // finished selection.
- // TODO: TextView should have a table of visual rows, and each character a reference to the row
- // that it resides on. That way this enumeration is not necessary.
- Vector2 min, max;
- if(lastIt->mIsNewParagraphChar)
- {
- // 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.
- lastIt = std::max( mTextLayoutInfo.mCharacterLayoutInfoTable.begin(), lastIt - 1 );
- }
- const Size rowSize( GetRowRectFromCharacterPosition( lastIt - mTextLayoutInfo.mCharacterLayoutInfoTable.begin(), min, max ) );
- maxRowLeft = std::min(maxRowLeft, min.x);
- maxRowRight = std::max(maxRowRight, max.x);
- float rowBottom = lastIt->mPosition.y - mTextLayoutInfo.mScrollOffset.y;
- float rowTop = rowBottom - rowSize.height;
-
- // Still selected, and block-align mode then set rowRight to max, so it can be clamped afterwards
- if(charSelected)
- {
- rowRight = std::numeric_limits<float>::max();
- }
- mNewHighlightInfo.AddQuad( rowLeft, rowTop, rowRight, rowBottom );
-
- selectionState = SelectionNone;
-
- // Still selected? start a new selection
- if( charSelected )
- {
- // if block-align mode then set rowLeft to min, so it can be clamped afterwards
- rowLeft = 0.0f;
- rowRight = ( charInfo.mPosition.x - mTextLayoutInfo.mScrollOffset.x ) + charInfo.mSize.width;
- selectionState = SelectionStarted;
- }
- }
- else
- {
- // build up highlight(s) with this selection data.
- rowLeft = std::min( charInfo.mPosition.x - mTextLayoutInfo.mScrollOffset.x, rowLeft );
- rowRight = std::max( ( charInfo.mPosition.x - mTextLayoutInfo.mScrollOffset.x ) + charInfo.mSize.width, rowRight );
- }
- }
-
- lastIt = it++;
- }
-
- // If reached end, and still on selection, then close selection.
- if(it == end)
- {
- if(selectionState == SelectionStarted)
- {
- // finished selection.
- Vector2 min, max;
- if(lastIt->mIsNewParagraphChar)
- {
- lastIt = std::max( mTextLayoutInfo.mCharacterLayoutInfoTable.begin(), lastIt - 1 );
- }
- const Size rowSize( GetRowRectFromCharacterPosition( lastIt - mTextLayoutInfo.mCharacterLayoutInfoTable.begin(), min, max ) );
- maxRowLeft = std::min(maxRowLeft, min.x);
- maxRowRight = std::max(maxRowRight, max.x);
- float rowBottom = lastIt->mPosition.y - mTextLayoutInfo.mScrollOffset.y;
- float rowTop = rowBottom - rowSize.height;
- mNewHighlightInfo.AddQuad( rowLeft, rowTop, rowRight, rowBottom );
- }
- }
-
- // Get the top left and bottom right corners.
- const Toolkit::TextView::CharacterLayoutInfo& firstCharacter( *mTextLayoutInfo.mCharacterLayoutInfoTable.begin() );
- const Vector2 topLeft( maxRowLeft, firstCharacter.mPosition.y - firstCharacter.mSize.height );
- const Vector2 bottomRight( topLeft.x + mTextLayoutInfo.mTextSize.width, topLeft.y + mTextLayoutInfo.mTextSize.height );
-
- // Clamp quads so they appear to clip to borders of the whole text.
- mNewHighlightInfo.Clamp2D( topLeft, bottomRight );
-
- // For block-align align Further Clamp quads to max left and right extents
- // BlockAlign: Will adjust highlight to block:
- // i.e.
- // H[ello] (top row right = max of all rows right)
- // [--this-] (middle rows' left = min of all rows left, middle rows' right = max of all rows right)
- // [is some] (middle rows' left = min of all rows left, middle rows' right = max of all rows right)
- // [text] (bottom row left = min of all rows left)
- // (common in SMS messaging selection)
- //
- // As opposed to the default which is tight text highlighting.
- // H[ello]
- // [this]
- // [is some]
- // [text]
- // (common in regular text editors/web browser selection)
- mNewHighlightInfo.Clamp2D( Vector2(maxRowLeft, topLeft.y), Vector2(maxRowRight, bottomRight.y ) );
-
- // Finally clamp quads again so they don't exceed the boundry of the control.
- const Vector3& controlSize = GetControlSize();
- mNewHighlightInfo.Clamp2D( Vector2::ZERO, Vector2(controlSize.x, controlSize.y) );
- } // end if
-
- return mNewHighlightInfo;
-}
-
-// VCC TODO: two methods are not needed. this one is a quick hack to fix PLMs. Should implement one which support both directions.
-// This method creates one quad per character so different selection boxes for a mix of LTR and RTL languages are created.
-TextInput::HighlightInfo TextInput::CalculateHighlightInfoRtl()
-{
- // At the moment there is no public API to modify the block alignment option.
-
- mNewHighlightInfo.mQuadList.clear(); // clear last quad information.
-
- if ( !mTextLayoutInfo.mCharacterLayoutInfoTable.empty() && !mTextLayoutInfo.mCharacterLogicalToVisualMap.empty() )
- {
- Toolkit::TextView::CharacterLayoutInfoContainer::iterator it = mTextLayoutInfo.mCharacterLayoutInfoTable.begin();
- Toolkit::TextView::CharacterLayoutInfoContainer::iterator end = mTextLayoutInfo.mCharacterLayoutInfoTable.end();
-
- // Get vector of flags representing characters that are selected (true) vs unselected (false).
- std::vector<bool> selectedVisualText;
- GetVisualTextSelection( selectedVisualText, mSelectionHandleOnePosition, mSelectionHandleTwoPosition );
- std::vector<bool>::iterator selectedIt = selectedVisualText.begin();
- std::vector<bool>::iterator selectedEndIt = selectedVisualText.end();
-
- // SelectionState selectionState = SelectionNone; ///< Current selection status of cursor over entire text.
- float rowLeft = 0.0f;
- float rowRight = 0.0f;
-
- // VCC TODO this is valid for one line.
- Vector2 min, max;
- const Size rowSize = GetRowRectFromCharacterPosition( 0, min, max );
-
- // Scan through entire text.
- while(it != end)
- {
- // selectionState: None when not in selection, Started when in selection, and Ended when reached end of selection.
-
- Toolkit::TextView::CharacterLayoutInfo& charInfo(*it);
- bool charSelected = false;
- if( selectedIt != selectedEndIt )
- {
- charSelected = *selectedIt++;
- }
-
- if( charSelected )
- {
- rowLeft = charInfo.mPosition.x - mTextLayoutInfo.mScrollOffset.x;
- rowRight = rowLeft + charInfo.mSize.width;
-
- float rowBottom = charInfo.mPosition.y - mTextLayoutInfo.mScrollOffset.y;
- float rowTop = rowBottom - rowSize.height;
- mNewHighlightInfo.AddQuad( rowLeft, rowTop, rowRight, rowBottom );
- }
-
- ++it;
- }
-
- // Finally clamp quads again so they don't exceed the boundry of the control.
- const Vector3& controlSize = GetControlSize();
- mNewHighlightInfo.Clamp2D( Vector2::ZERO, Vector2(controlSize.x, controlSize.y) );
- } // end if
-
- return mNewHighlightInfo;
-}
-
-void TextInput::UpdateHighlight()
-{
-// Construct a Mesh with a texture to be used as the highlight 'box' for selected text
-//
-// Example scenarios where mesh is made from 3, 1, 2, 2 ,3 or 3 quads.
-//
-// [ TOP ] [ TOP ] [TOP ] [ TOP ] [ TOP ] [ TOP ]
-// [ MIDDLE ] [BOTTOM] [BOTTOM] [ MIDDLE ] [ MIDDLE ]
-// [ BOTTOM] [ MIDDLE ] [ MIDDLE ]
-// [BOTTOM] [ MIDDLE ]
-// [BOTTOM]
-//
-// Each quad is created as 2 triangles.
-// Middle is just 1 quad regardless of its size.
-//
-// (0,0) (0,0)
-// 0* *2 0* *2
-// TOP TOP
-// 3* *1 3* *1
-// 4* *1 4* *6
-// MIDDLE BOTTOM
-// 6* *5 7* *5
-// 6* *8
-// BOTTOM
-// 9* *7
-//
-
- if ( mHighlightMeshActor )
- {
- // vertex and triangle buffers should always be present if MeshActor is alive.
- HighlightInfo newHighlightInfo = CalculateHighlightInfoRtl();
- MeshData::VertexContainer vertices;
- Dali::MeshData::FaceIndices faceIndices;
-
- if( !newHighlightInfo.mQuadList.empty() )
- {
- std::vector<QuadCoordinates>::iterator iter = newHighlightInfo.mQuadList.begin();
- std::vector<QuadCoordinates>::iterator endIter = newHighlightInfo.mQuadList.end();
-
- // vertex position defaults to (0 0 0)
- MeshData::Vertex vertex;
- // set normal for all vertices as (0 0 1) pointing outward from TextInput Actor.
- vertex.nZ = 1.0f;
-
- for(std::size_t v = 0; iter != endIter; ++iter,v+=4 )
- {
- // Add each quad geometry (a sub-selection) to the mesh data.
-
- // 0-----1
- // |\ |
- // | \ A |
- // | \ |
- // | B \ |
- // | \|
- // 2-----3
-
- QuadCoordinates& quad = *iter;
- // top-left (v+0)
- vertex.x = quad.min.x;
- vertex.y = quad.min.y;
- vertices.push_back( vertex );
-
- // top-right (v+1)
- vertex.x = quad.max.x;
- vertex.y = quad.min.y;
- vertices.push_back( vertex );
-
- // bottom-left (v+2)
- vertex.x = quad.min.x;
- vertex.y = quad.max.y;
- vertices.push_back( vertex );
-
- // bottom-right (v+3)
- vertex.x = quad.max.x;
- vertex.y = quad.max.y;
- vertices.push_back( vertex );
-
- // triangle A (3, 1, 0)
- faceIndices.push_back( v + 3 );
- faceIndices.push_back( v + 1 );
- faceIndices.push_back( v );
-
- // triangle B (0, 2, 3)
- faceIndices.push_back( v );
- faceIndices.push_back( v + 2 );
- faceIndices.push_back( v + 3 );
-
- mMeshData.SetFaceIndices( faceIndices );
- }
-
- BoneContainer bones(0); // passed empty as bones not required
- mMeshData.SetData( vertices, faceIndices, bones, mCustomMaterial );
- mHighlightMesh.UpdateMeshData(mMeshData);
- }
- }
-}
-
-void TextInput::ClearPopup()
-{
- mPopupPanel.Clear();
-}
-
-void TextInput::AddPopupOptions()
-{
- mPopupPanel.AddPopupOptions();
-}
-
-void TextInput::SetPopupPosition( const Vector3& position, const Vector2& alternativePosition )
-{
- const Vector3& visiblePopUpSize = mPopupPanel.GetVisibileSize();
-
- Vector3 clampedPosition ( position );
- Vector3 tailOffsetPosition ( position );
-
- float xOffSet( 0.0f );
-
- Actor self = Self();
- const Vector3 textViewTopLeftWorldPosition = self.GetCurrentWorldPosition() - self.GetCurrentSize()*0.5f;
-
- const float popUpLeft = textViewTopLeftWorldPosition.x + position.x - visiblePopUpSize.width*0.5f;
- const float popUpTop = textViewTopLeftWorldPosition.y + position.y - visiblePopUpSize.height;
-
- // Clamp to left or right or of boundary
- if( popUpLeft < mBoundingRectangleWorldCoordinates.x )
- {
- xOffSet = mBoundingRectangleWorldCoordinates.x - popUpLeft ;
- }
- else if ( popUpLeft + visiblePopUpSize.width > mBoundingRectangleWorldCoordinates.z )
- {
- xOffSet = mBoundingRectangleWorldCoordinates.z - ( popUpLeft + visiblePopUpSize.width );
- }
-
- clampedPosition.x = position.x + xOffSet;
- tailOffsetPosition.x = -xOffSet;
-
- // Check if top left of PopUp outside of top bounding rectangle, if so then flip to lower position.
- bool flipTail( false );
-
- if ( popUpTop < mBoundingRectangleWorldCoordinates.y )
- {
- clampedPosition.y = alternativePosition.y + visiblePopUpSize.height;
- flipTail = true;
- }
-
- mPopupPanel.GetRootActor().SetPosition( clampedPosition );
- mPopupPanel.SetTailPosition( tailOffsetPosition, flipTail );
-}
-
-void TextInput::HidePopup(bool animate, bool signalFinished )
-{
- if ( ( mPopupPanel.GetState() == TextInputPopup::StateShowing ) || ( mPopupPanel.GetState() == TextInputPopup::StateShown ) )
- {
- mPopupPanel.Hide( animate );
-
- if( animate && signalFinished )
- {
- mPopupPanel.HideFinishedSignal().Connect( this, &TextInput::OnPopupHideFinished );
- }
- }
-}
-
-void TextInput::ShowPopup( bool animate )
-{
- Vector3 position;
- Vector2 alternativePopupPosition;
-
- if(mHighlightMeshActor && mState == StateEdit)
- {
- Vector3 topHandle;
- Vector3 bottomHandle; // referring to the bottom most point of the handle or the bottom line of selection.
- Size rowSize;
- // When text is selected, show popup above top handle (and text), or below bottom handle.
- // topHandle: referring to the top most point of the handle or the top line of selection.
- if ( mSelectionHandleTwoActualPosition.y > mSelectionHandleOneActualPosition.y )
- {
- topHandle = mSelectionHandleOneActualPosition;
- bottomHandle = mSelectionHandleTwoActualPosition;
- rowSize= GetRowRectFromCharacterPosition( mSelectionHandleOnePosition );
- }
- else
- {
- topHandle = mSelectionHandleTwoActualPosition;
- bottomHandle = mSelectionHandleOneActualPosition;
- rowSize = GetRowRectFromCharacterPosition( mSelectionHandleTwoPosition );
- }
- topHandle.y += -mPopupOffsetFromText.y - rowSize.height;
- position = Vector3(topHandle.x, topHandle.y, 0.0f);
-
- float xPosition = ( fabsf( topHandle.x - bottomHandle.x ) )*0.5f + std::min( mSelectionHandleOneActualPosition.x , mSelectionHandleTwoActualPosition.x );
-
- position.x = xPosition;
-
- // Alternative position if no upper space
- bottomHandle.y += GetSelectionHandleSize().y + mPopupOffsetFromText.w;
- alternativePopupPosition = Vector2 ( position.x, bottomHandle.y );
- }
- else
- {
- // When no text is selected, show popup at world position of grab handle or cursor
- position = GetActualPositionFromCharacterPosition( mCursorPosition );
- const Size rowSize = GetRowRectFromCharacterPosition( mCursorPosition );
- position.y -= ( mPopupOffsetFromText.y + rowSize.height );
- // if can't be positioned above, then position below row.
- alternativePopupPosition = Vector2( position.x, position.y ); // default if no grab handle
- if ( mGrabHandle )
- {
- // If grab handle enabled then position pop-up below the grab handle.
- alternativePopupPosition.y = rowSize.height + mGrabHandle.GetCurrentSize().height + mPopupOffsetFromText.w +50.0f;
- }
- }
-
- SetPopupPosition( position, alternativePopupPosition );
-
- // Show popup
- mPopupPanel.Show( Self(), animate );
- StartMonitoringStageForTouch();
-
- mPopupPanel.PressedSignal().Connect( this, &TextInput::OnPopupButtonPressed );
-}
-
-void TextInput::ShowPopupCutCopyPaste()
-{
- ClearPopup();
-
- mPopupPanel.CreateOrderedListOfOptions(); // todo Move this so only run when order has changed
- // Check the selected text is whole text or not.
- if( IsTextSelected() && ( mStyledText.size() != GetSelectedText().size() ) )
- {
- mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsSelectAll, true );
- }
-
- if ( !mStyledText.empty() && IsTextSelected() )
- {
- mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsCopy, true );
- mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsCut, true );
- }
-
- if( mClipboard && mClipboard.NumberOfItems() )
- {
- mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsPaste, true );
- mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsClipboard, true );
- }
-
- AddPopupOptions();
-
- mPopupPanel.Hide(false);
- ShowPopup();
-}
-
-void TextInput::SetUpPopupSelection( bool showCutButton )
-{
- ClearPopup();
- mPopupPanel.CreateOrderedListOfOptions(); // todo Move this so only run when order has changed
- // If no text exists then don't offer to select
- if ( !mStyledText.empty() )
- {
- mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsSelectAll, true );
- mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsSelect, true );
- mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsCut, ( showCutButton && IsTextSelected() ) );
- }
- // if clipboard has valid contents then offer paste option
- if( mClipboard && mClipboard.NumberOfItems() )
- {
- mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsPaste, true );
- mPopupPanel.TogglePopupButtonOnOff( TextInputPopup::ButtonsClipboard, true );
- }
-
- AddPopupOptions();
-
- mPopupPanel.Hide(false);
-}
-
-bool TextInput::ReturnClosestIndex(const Vector2& source, std::size_t& closestIndex )
-{
- bool found = false;
- closestIndex = 0;
-
- std::vector<Toolkit::TextView::CharacterLayoutInfo> matchedCharacters;
- bool lastRightToLeftChar(false); /// RTL state of previous character encountered (character on the left of touch point)
- bool rightToLeftChar(false); /// RTL state of current character encountered (character on the right of touch point)
- float glyphIntersection(0.0f); /// Glyph intersection, the point between the two nearest characters touched.
-
- const Vector2 sourceScrollOffset( source + mTextLayoutInfo.mScrollOffset );
-
- if ( !mTextLayoutInfo.mCharacterLayoutInfoTable.empty() )
- {
- float closestYdifference = std::numeric_limits<float>::max();
- std::size_t lineOffset = 0; /// Keep track of position of the first character on the matched line of interest.
- std::size_t numberOfMatchedCharacters = 0;
-
- // 1. Find closest character line to y part of source, create vector of all entries in that Y position
- // TODO: There should be an easy call to enumerate through each visual line, instead of each character on all visual lines.
-
- for( std::vector<Toolkit::TextView::CharacterLayoutInfo>::const_iterator it = mTextLayoutInfo.mCharacterLayoutInfoTable.begin(), endIt = mTextLayoutInfo.mCharacterLayoutInfoTable.end(); it != endIt; ++it )
- {
- const Toolkit::TextView::CharacterLayoutInfo& info( *it );
- float baselinePosition = info.mPosition.y - info.mDescender;
-
- if( info.mIsVisible )
- {
- // store difference between source y point and the y position of the current character
- float currentYdifference = fabsf( sourceScrollOffset.y - ( baselinePosition ) );
-
- if( currentYdifference < closestYdifference )
- {
- // closest so far; store this difference and clear previous matchedCharacters as no longer closest
- lineOffset = it - mTextLayoutInfo.mCharacterLayoutInfoTable.begin();
- closestYdifference = currentYdifference;
- matchedCharacters.clear();
- numberOfMatchedCharacters = 0; // reset count
- }
-
- // add all characters that are on the same Y axis (within the CHARACTER_THRESHOLD) to the matched array.
- if( fabsf( closestYdifference - currentYdifference ) < CHARACTER_THRESHOLD )
- {
- // ignore new line character.
- if( !info.mIsNewParagraphChar )
- {
- matchedCharacters.push_back( info );
- numberOfMatchedCharacters++;
- }
- }
- }
- } // End of loop checking each character's y position in the character layout table
-
- // Check if last character is a newline, if it is
- // then need pretend there is an imaginary line afterwards,
- // and check if user is touching below previous line.
- const Toolkit::TextView::CharacterLayoutInfo& lastInfo( mTextLayoutInfo.mCharacterLayoutInfoTable[mTextLayoutInfo.mCharacterLayoutInfoTable.size() - 1] );
-
- if( ( lastInfo.mIsVisible ) && ( lastInfo.mIsNewParagraphChar ) && ( sourceScrollOffset.y > lastInfo.mPosition.y ) )
- {
- closestIndex = mTextLayoutInfo.mCharacterLayoutInfoTable.size();
- }
- else
- {
- // 2 Iterate through matching list of y positions and find closest matching X position.
-
- bool matched( false );
-
- // Traverse the characters in the visual order. VCC TODO: check for more than one line.
- std::size_t visualIndex = 0u;
- const std::size_t matchedCharactersSize = matchedCharacters.size();
- for( ; visualIndex < matchedCharactersSize; ++visualIndex )
- {
- const Toolkit::TextView::CharacterLayoutInfo& info( *( matchedCharacters.begin() + mTextLayoutInfo.mCharacterVisualToLogicalMap[visualIndex] ) );
-
- if( info.mIsVisible )
- {
- // stop when on left side of character's center.
- const float characterMidPointPosition = info.mPosition.x + ( info.mSize.width * 0.5f ) ;
- if( sourceScrollOffset.x < characterMidPointPosition )
- {
- if(info.mIsRightToLeftCharacter)
- {
- rightToLeftChar = true;
- }
- glyphIntersection = info.mPosition.x;
- matched = true;
- break;
- }
-
- lastRightToLeftChar = info.mIsRightToLeftCharacter;
- }
- }
-
- if( visualIndex == matchedCharactersSize )
- {
- rightToLeftChar = lastRightToLeftChar;
- }
-
- closestIndex = lineOffset + visualIndex;
-
- mClosestCursorPositionEOL = false; // reset
- if( ( visualIndex == matchedCharactersSize ) && !matched )
- {
- mClosestCursorPositionEOL = true; // Reached end of matched characters in closest line but no match so cursor should be after last character.
- }
-
- // For RTL characters, need to adjust closestIndex by 1 (as the inequality above would be reverse)
- if( rightToLeftChar && lastRightToLeftChar )
- {
- --closestIndex; // (-1 = numeric_limits<std::size_t>::max())
- }
- }
- }
-
- // closestIndex is the visual index, need to convert it to the logical index
- if( !mTextLayoutInfo.mCharacterVisualToLogicalMap.empty() )
- {
- if( closestIndex < mTextLayoutInfo.mCharacterVisualToLogicalMap.size() )
- {
- // Checks for situations where user is touching between LTR and RTL
- // characters. To identify if the user means the end of a LTR string
- // or the beginning of an RTL string, and vice versa.
- if( closestIndex > 0 )
- {
- if( rightToLeftChar && !lastRightToLeftChar )
- {
- // [LTR] [RTL]
- // |..|..|
- // AAA BBB
- // A: In this touch range, the user is indicating that they wish to place
- // the cursor at the end of the LTR text.
- // B: In this touch range, the user is indicating that they wish to place
- // the cursor at the end of the RTL text.
-
- // Result of touching A area:
- // [.....LTR]|[RTL......]+
- //
- // |: primary cursor (for typing LTR chars)
- // +: secondary cursor (for typing RTL chars)
-
- // Result of touching B area:
- // [.....LTR]+[RTL......]|
- //
- // |: primary cursor (for typing RTL chars)
- // +: secondary cursor (for typing LTR chars)
-
- if( sourceScrollOffset.x < glyphIntersection )
- {
- --closestIndex;
- }
- }
- else if( !rightToLeftChar && lastRightToLeftChar )
- {
- if( sourceScrollOffset.x < glyphIntersection )
- {
- --closestIndex;
- }
- }
- }
-
- closestIndex = mTextLayoutInfo.mCharacterVisualToLogicalMap[closestIndex];
- // If user touched a left-side of RTL char, and the character on the left was an LTR then position logical cursor
- // one further ahead
- if( rightToLeftChar && !lastRightToLeftChar )
- {
- ++closestIndex;
- }
- }
- else if( closestIndex == std::numeric_limits<std::size_t>::max() ) // -1 RTL (after last arabic character on line)
- {
- closestIndex = mTextLayoutInfo.mCharacterVisualToLogicalMap.size();
- }
- else if( mTextLayoutInfo.mCharacterLayoutInfoTable[ mTextLayoutInfo.mCharacterVisualToLogicalMap[ closestIndex - 1 ] ].mIsRightToLeftCharacter ) // size() LTR (after last european character on line)
- {
- closestIndex = 0;
- }
- }
-
- return found;
-}
-
-float TextInput::GetLineJustificationPosition() const
-{
- const Vector3& size = mDisplayedTextView.GetCurrentSize();
- Toolkit::Alignment::Type alignment = mDisplayedTextView.GetTextAlignment();
- float alignmentOffset = 0.f;
-
- // Work out cursor 'x' position when there are any character accordingly with the text view alignment settings.
- if( alignment & Toolkit::Alignment::HorizontalLeft )
- {
- alignmentOffset = 0.f;
- }
- else if( alignment & Toolkit::Alignment::HorizontalCenter )
- {
- alignmentOffset = 0.5f * ( size.width - mTextLayoutInfo.mTextSize.width );
- }
- else if( alignment & Toolkit::Alignment::HorizontalRight )
- {
- alignmentOffset = size.width - mTextLayoutInfo.mTextSize.width;
- }
-
- Toolkit::TextView::LineJustification justification = mDisplayedTextView.GetLineJustification();
- float justificationOffset = 0.f;
-
- switch( justification )
- {
- case Toolkit::TextView::Left:
- {
- justificationOffset = 0.f;
- break;
- }
- case Toolkit::TextView::Center:
- {
- justificationOffset = 0.5f * mTextLayoutInfo.mTextSize.width;
- break;
- }
- case Toolkit::TextView::Right:
- {
- justificationOffset = mTextLayoutInfo.mTextSize.width;
- break;
- }
- case Toolkit::TextView::Justified:
- {
- justificationOffset = 0.f;
- break;
- }
- default:
- {
- DALI_ASSERT_ALWAYS( false );
- }
- } // end switch
-
- return alignmentOffset + justificationOffset;
-}
-
-Vector3 TextInput::PositionCursorAfterWordWrap( std::size_t characterPosition ) const
-{
- /* Word wrap occurs automatically in TextView when the exceed policy moves a word to the next line when not enough space on current.
- A newline character is not inserted in this case */
-
- Vector3 cursorPosition;
-
- Toolkit::TextView::CharacterLayoutInfo currentCharInfo = mTextLayoutInfo.mCharacterLayoutInfoTable[ characterPosition ];
-
- bool noWrap = true;
-
- if( characterPosition > 0u )
- {
- Toolkit::TextView::CharacterLayoutInfo previousCharInfo = mTextLayoutInfo.mCharacterLayoutInfoTable[ characterPosition - 1u ];
-
- // If previous character on a different line then use current characters position
- if( fabsf( (currentCharInfo.mPosition.y - currentCharInfo.mDescender ) - ( previousCharInfo.mPosition.y - previousCharInfo.mDescender) ) > Math::MACHINE_EPSILON_1000 )
- {
- // VCC TODO: PositionCursorAfterWordWrap currently doesn't work for multiline. Need to check this branch.
- if ( mClosestCursorPositionEOL )
- {
- cursorPosition = Vector3( previousCharInfo.mPosition.x + previousCharInfo.mSize.width, previousCharInfo.mPosition.y, previousCharInfo.mPosition.z ) ;
- }
- else
- {
- cursorPosition = Vector3( currentCharInfo.mPosition );
- }
-
- noWrap = false;
- }
- }
-
- if( noWrap )
- {
- // If the character is left to right, the position is the character's position plus its width.
- const float ltrOffset = !currentCharInfo.mIsRightToLeftCharacter ? currentCharInfo.mSize.width : 0.f;
-
- cursorPosition.x = currentCharInfo.mPosition.x + ltrOffset;
- cursorPosition.y = currentCharInfo.mPosition.y;
- }
-
- return cursorPosition;
-}
-
-Vector3 TextInput::GetActualPositionFromCharacterPosition( std::size_t characterPosition ) const
-{
- bool direction = false;
- Vector3 alternatePosition;
- bool alternatePositionValid = false;
-
- return GetActualPositionFromCharacterPosition( characterPosition, direction, alternatePosition, alternatePositionValid );
-}
-
-Vector3 TextInput::GetActualPositionFromCharacterPosition( std::size_t characterPosition, bool& directionRTL, Vector3& alternatePosition, bool& alternatePositionValid ) const
-{
- DALI_ASSERT_DEBUG( ( mTextLayoutInfo.mCharacterLayoutInfoTable.size() == mTextLayoutInfo.mCharacterLogicalToVisualMap.size() ) &&
- ( mTextLayoutInfo.mCharacterLayoutInfoTable.size() == mTextLayoutInfo.mCharacterVisualToLogicalMap.size() ) &&
- "TextInput::GetActualPositionFromCharacterPosition. All layout tables must have the same size." );
-
- Vector3 cursorPosition( 0.f, 0.f, 0.f );
-
- alternatePositionValid = false;
- directionRTL = false;
-
- if( !mTextLayoutInfo.mCharacterLayoutInfoTable.empty() )
- {
- if( characterPosition == 0u )
- {
- // When the cursor position is at the beginning, it should be at the start of the current character.
- // If the current character is LTR, then the start is on the right side of the glyph.
- // If the current character is RTL, then the start is on the left side of the glyph.
-
- if( !( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() ) ).mIsVisible )
- {
- characterPosition = FindVisibleCharacter( Right, 0u );
- }
-
- const Toolkit::TextView::CharacterLayoutInfo& info = mTextLayoutInfo.mCharacterLayoutInfoTable[ characterPosition ];
- const float rtlOffset = info.mIsRightToLeftCharacter ? info.mSize.width : 0.0f;
-
- cursorPosition.x = info.mPosition.x + rtlOffset;
- cursorPosition.y = info.mPosition.y;
- directionRTL = info.mIsRightToLeftCharacter;
- }
- else if( characterPosition > 0u )
- {
- // Get the direction of the paragraph.
- const std::size_t startCharacterPosition = GetRowStartFromCharacterPosition( characterPosition );
- const bool isParagraphRightToLeft = ( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + startCharacterPosition ) ).mIsRightToLeftCharacter;
-
- // When cursor is not at beginning, consider possibility of
- // showing 2 cursors. (whereas at beginning we only ever show one cursor)
-
- // Cursor position should be the end of the last character.
- // If the last character is LTR, then the end is on the right side of the glyph.
- // If the last character is RTL, then the end is on the left side of the glyph.
-
- --characterPosition;
-
- if( !( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + characterPosition ) ).mIsVisible )
- {
- characterPosition = FindVisibleCharacter( Left, characterPosition );
- }
-
- Toolkit::TextView::CharacterLayoutInfo info = mTextLayoutInfo.mCharacterLayoutInfoTable[ characterPosition ];
- if( ( characterPosition > 0u ) && info.mIsNewParagraphChar && !IsScrollEnabled() )
- {
- // VCC TODO : check for a new paragraph character.
-
- // Prevents the cursor to exceed the boundary if the last visible character is a 'new line character' and the scroll is not enabled.
- const Vector3& size = GetControlSize();
-
- if( info.mPosition.y + info.mSize.height - mDisplayedTextView.GetLineHeightOffset() > size.height )
- {
- --characterPosition;
- }
- info = mTextLayoutInfo.mCharacterLayoutInfoTable[ characterPosition ];
- }
-
- if( !info.mIsNewParagraphChar )
- {
- cursorPosition = PositionCursorAfterWordWrap( characterPosition ); // Get position of cursor/handles taking in account auto word wrap.
- }
- else
- {
- // VCC TODO : check for a new paragraph character.
-
- // When cursor points to first character on new line, position cursor at the start of this glyph.
- if( characterPosition < mTextLayoutInfo.mCharacterLayoutInfoTable.size() )
- {
- const Toolkit::TextView::CharacterLayoutInfo& infoNext = mTextLayoutInfo.mCharacterLayoutInfoTable[ characterPosition ];
- const float start( infoNext.mIsRightToLeftCharacter ? infoNext.mSize.width : 0.0f );
-
- cursorPosition.x = infoNext.mPosition.x + start;
- cursorPosition.y = infoNext.mPosition.y;
- }
- else
- {
- // If cursor points to the end of text, then can only position
- // cursor where the new line starts based on the line-justification position.
- cursorPosition.x = GetLineJustificationPosition();
-
- if( characterPosition == mTextLayoutInfo.mCharacterLogicalToVisualMap.size() )
- {
- // If this is after the last character, then we can assume that the new cursor
- // should be exactly one row below the current row.
-
- const Size rowRect = GetRowRectFromCharacterPosition( characterPosition - 1u );
- cursorPosition.y = info.mPosition.y + rowRect.height;
- }
- else
- {
- // If this is not after last character, then we can use this row's height.
- // should be exactly one row below the current row.
-
- const Size rowRect = GetRowRectFromCharacterPosition( characterPosition );
- cursorPosition.y = info.mPosition.y + rowRect.height;
- }
- }
- }
-
- directionRTL = info.mIsRightToLeftCharacter;
-
- if( 1u < mTextLayoutInfo.mCharacterLayoutInfoTable.size() )
- {
- // 1. When the cursor is neither at the beginning or the end,
- // we can show multiple cursors under situations when the cursor is
- // between RTL and LTR text...
- if( characterPosition + 1u < mTextLayoutInfo.mCharacterLayoutInfoTable.size() )
- {
- std::size_t characterAltPosition = characterPosition + 1u;
-
- const Toolkit::TextView::CharacterLayoutInfo& infoAlt = mTextLayoutInfo.mCharacterLayoutInfoTable[ characterAltPosition ];
-
- if(!info.mIsRightToLeftCharacter && infoAlt.mIsRightToLeftCharacter)
- {
- // Stuation occurs when cursor is at the end of English text (LTR) and beginning of Arabic (RTL)
- // Text: [...LTR...]|[...RTL...]
- // Cursor pos: ^
- // Alternate cursor pos: ^
- // In which case we need to display an alternate cursor for the RTL text.
-
- alternatePosition.x = infoAlt.mPosition.x + infoAlt.mSize.width;
- alternatePosition.y = infoAlt.mPosition.y;
- alternatePositionValid = true;
- }
- else if(info.mIsRightToLeftCharacter && !infoAlt.mIsRightToLeftCharacter)
- {
- // Situation occurs when cursor is at end of the Arabic text (LTR) and beginning of English (RTL)
- // Text: |[...RTL...] [...LTR....]
- // Cursor pos: ^
- // Alternate cursor pos: ^
- // In which case we need to display an alternate cursor for the RTL text.
-
- alternatePosition.x = infoAlt.mPosition.x;
- alternatePosition.y = infoAlt.mPosition.y;
- alternatePositionValid = true;
- }
- }
- else
- {
- // 2. When the cursor is at the end of the text,
- // and we have multi-directional text,
- // we can also consider showing mulitple cursors.
- // The rule here is:
- // If first and last characters on row are different
- // Directions, then two cursors need to be displayed.
-
- if( info.mIsRightToLeftCharacter != isParagraphRightToLeft )
- {
- // The last character's direction is differernt than the first one of current paragraph.
-
- // Get first
- const Toolkit::TextView::CharacterLayoutInfo& infoStart= mTextLayoutInfo.mCharacterLayoutInfoTable[ GetFirstCharacterWithSameDirection( characterPosition ) ];
-
- if(info.mIsRightToLeftCharacter)
- {
- // For text Starting as LTR and ending as RTL. End cursor position is as follows:
- // Text: [...LTR...]|[...RTL...]
- // Cursor pos: ^
- // Alternate cursor pos: ^
- // In which case we need to display an alternate cursor for the RTL text, this cursor
- // should be at the end of the given line.
-
- alternatePosition.x = infoStart.mPosition.x + infoStart.mSize.width;
- alternatePosition.y = infoStart.mPosition.y;
- alternatePositionValid = true;
- }
- else if(!info.mIsRightToLeftCharacter) // starting RTL
- {
- // For text Starting as RTL and ending as LTR. End cursor position is as follows:
- // Text: |[...RTL...] [...LTR....]
- // Cursor pos: ^
- // Alternate cursor pos: ^
- // In which case we need to display an alternate cursor for the RTL text.
-
- alternatePosition.x = infoStart.mPosition.x;
- alternatePosition.y = infoStart.mPosition.y;
- alternatePositionValid = true;
- }
- }
- }
- }
- } // characterPosition > 0
- }
- else
- {
- // If the character table is void, place the cursor accordingly the text alignment.
- const Vector3& size = GetControlSize();
-
- Toolkit::Alignment::Type alignment = mDisplayedTextView.GetTextAlignment();
- float alignmentOffset = 0.f;
-
- // Work out cursor 'x' position when there are any character accordingly with the text view alignment settings.
- if( alignment & Toolkit::Alignment::HorizontalLeft )
- {
- alignmentOffset = 0.f;
- }
- else if( alignment & Toolkit::Alignment::HorizontalCenter )
- {
- alignmentOffset = 0.5f * ( size.width );
- }
- else if( alignment & Toolkit::Alignment::HorizontalRight )
- {
- alignmentOffset = size.width;
- }
-
- // Work out cursor 'x' position when there are any character accordingly with the text view alignment settings.
- cursorPosition.x = alignmentOffset;
-
- // Work out cursor 'y' position when there are any character accordingly with the text view alignment settings.
- if( alignment & Toolkit::Alignment::VerticalTop )
- {
- cursorPosition.y = mLineHeight;
- }
- else if( alignment & Toolkit::Alignment::VerticalCenter )
- {
- cursorPosition.y = 0.5f * ( size.height + mLineHeight );
- }
- else if( alignment & Toolkit::Alignment::VerticalBottom )
- {
- cursorPosition.y = size.height;
- }
- }
-
- cursorPosition.x -= mTextLayoutInfo.mScrollOffset.x;
- cursorPosition.y -= mTextLayoutInfo.mScrollOffset.y;
-
- if( alternatePositionValid )
- {
- alternatePosition.x -= mTextLayoutInfo.mScrollOffset.x;
- alternatePosition.y -= mTextLayoutInfo.mScrollOffset.y;
- }
-
- return cursorPosition;
-}
-
-std::size_t TextInput::GetRowStartFromCharacterPosition( std::size_t logicalPosition ) const
-{
- // scan string from current position to beginning of current line to note direction of line
- while( logicalPosition )
- {
- logicalPosition--;
- if( mTextLayoutInfo.mCharacterLayoutInfoTable[logicalPosition].mIsNewParagraphChar )
- {
- logicalPosition++;
- break;
- }
- }
-
- return logicalPosition;
-}
-
-std::size_t TextInput::GetFirstCharacterWithSameDirection( std::size_t logicalPosition ) const
-{
- const bool isRightToLeft = mTextLayoutInfo.mCharacterLayoutInfoTable[logicalPosition].mIsRightToLeftCharacter;
-
- while( logicalPosition )
- {
- logicalPosition--;
- if( isRightToLeft != mTextLayoutInfo.mCharacterLayoutInfoTable[logicalPosition].mIsRightToLeftCharacter )
- {
- logicalPosition++;
- break;
- }
- }
-
- return logicalPosition;
-}
-
-Size TextInput::GetRowRectFromCharacterPosition(std::size_t characterPosition) const
-{
- Vector2 min, max;
-
- return GetRowRectFromCharacterPosition( characterPosition, min, max );
-}
-
-Size TextInput::GetRowRectFromCharacterPosition( std::size_t characterPosition, Vector2& min, Vector2& max ) const
-{
- // if we have no text content, then return position 0,0 with width 0, and height the same as cursor height.
- if( mTextLayoutInfo.mCharacterLayoutInfoTable.empty() )
- {
- min = Vector2::ZERO;
- max = Vector2(0.0f, mLineHeight);
- return max;
- }
-
- DALI_ASSERT_DEBUG( characterPosition <= mTextLayoutInfo.mCharacterLayoutInfoTable.size() );
-
- // Initializes the min and max position.
- const std::size_t initialPosition = ( characterPosition == mTextLayoutInfo.mCharacterLayoutInfoTable.size() ) ? characterPosition - 1u : characterPosition;
- min = ( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + initialPosition ) ).mPosition.GetVectorXY();
- max = min;
-
- bool found = false;
- // 1) Find the line where the character is laid-out.
- for( Toolkit::TextView::LineLayoutInfoContainer::const_iterator lineIt = mTextLayoutInfo.mLines.begin(), lineEndIt = mTextLayoutInfo.mLines.end();
- !found && ( lineIt != mTextLayoutInfo.mLines.end() );
- ++lineIt )
- {
- const Toolkit::TextView::LineLayoutInfo& lineInfo( *lineIt );
-
- // Index within the whole text to the last character of the current line.
- std::size_t lastCharacterOfLine = 0u;
-
- Toolkit::TextView::LineLayoutInfoContainer::const_iterator lineNextIt = lineIt + 1u;
- if( lineNextIt != lineEndIt )
- {
- lastCharacterOfLine = (*lineNextIt).mCharacterGlobalIndex - 1u;
- }
- else
- {
- lastCharacterOfLine = mTextLayoutInfo.mCharacterLayoutInfoTable.size() - 1u;
- }
-
- // Check if the given chracter position is within the line.
- if( ( lineInfo.mCharacterGlobalIndex <= initialPosition ) && ( initialPosition <= lastCharacterOfLine ) )
- {
- // 2) Get the row rect of all laid-out characters on the line.
-
- // Need to scan all characters of the line because they are in the logical position.
- for( Toolkit::TextView::CharacterLayoutInfoContainer::const_iterator it = mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + lineInfo.mCharacterGlobalIndex,
- endIt = mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + lastCharacterOfLine + 1u;
- it != endIt;
- ++it )
- {
- const Toolkit::TextView::CharacterLayoutInfo& characterInfo( *it );
-
- min.x = std::min( min.x, characterInfo.mPosition.x );
- min.y = std::min( min.y, characterInfo.mPosition.y );
- max.x = std::max( max.x, characterInfo.mPosition.x + characterInfo.mSize.width );
- max.y = std::max( max.y, characterInfo.mPosition.y + characterInfo.mSize.height );
- }
-
- found = true;
- }
- }
-
- return Size( max.x - min.x, max.y - min.y );
-}
-
-bool TextInput::WasTouchedCheck( const Actor& touchedActor ) const
-{
- Actor popUpPanel = mPopupPanel.GetRootActor();
-
- if ( ( touchedActor == Self() ) || ( touchedActor == popUpPanel ) )
- {
- return true;
- }
- else
- {
- Dali::Actor parent( touchedActor.GetParent() );
-
- if ( parent )
- {
- return WasTouchedCheck( parent );
- }
- }
-
- return false;
-}
-
-void TextInput::StartMonitoringStageForTouch()
-{
- Stage stage = Stage::GetCurrent();
- stage.TouchedSignal().Connect( this, &TextInput::OnStageTouched );
-}
-
-void TextInput::EndMonitoringStageForTouch()
-{
- Stage stage = Stage::GetCurrent();
- stage.TouchedSignal().Disconnect( this, &TextInput::OnStageTouched );
-}
-
-void TextInput::OnStageTouched(const TouchEvent& event)
-{
- if( event.GetPointCount() > 0 )
- {
- if ( TouchPoint::Down == event.GetPoint(0).state )
- {
- const Actor touchedActor(event.GetPoint(0).hitActor);
-
- bool popUpShown( false );
-
- if ( ( mPopupPanel.GetState() == TextInputPopup::StateShowing ) || ( mPopupPanel.GetState() == TextInputPopup::StateShown ) )
- {
- popUpShown = true;
- }
-
- bool textInputTouched = (touchedActor && WasTouchedCheck( touchedActor ));
-
- if ( ( mHighlightMeshActor || popUpShown ) && !textInputTouched )
- {
- EndMonitoringStageForTouch();
- HidePopup( true, false );
- }
-
- if ( ( IsGrabHandleEnabled() && mGrabHandle ) && !textInputTouched )
- {
- EndMonitoringStageForTouch();
- ShowGrabHandleAndSetVisibility( false );
- }
- }
- }
-}
-
-void TextInput::SelectText(std::size_t start, std::size_t end)
-{
- DALI_LOG_INFO(gLogFilter, Debug::General, "SelectText mEditModeActive[%s] grabHandle[%s] start[%u] end[%u] size[%u]\n", mEditModeActive?"true":"false",
- IsGrabHandleEnabled()?"true":"false",
- start, end, mTextLayoutInfo.mCharacterLayoutInfoTable.size() );
- DALI_ASSERT_ALWAYS( start <= mTextLayoutInfo.mCharacterLayoutInfoTable.size() && "TextInput::SelectText start out of max range" );
- DALI_ASSERT_ALWAYS( end <= mTextLayoutInfo.mCharacterLayoutInfoTable.size() && "TextInput::SelectText end out of max range" );
-
- StartMonitoringStageForTouch();
-
- if ( mEditModeActive ) // Only allow text selection when in edit mode
- {
- // When replacing highlighted text keyboard should ignore current word at cursor hence notify keyboard that the cursor is at the start of the highlight.
- mSelectingText = true;
-
- std::size_t selectionStartPosition = std::min( start, end );
-
- // Hide grab handle when selecting.
- ShowGrabHandleAndSetVisibility( false );
-
- if( start != end ) // something to select
- {
- SetCursorVisibility( false );
- StopCursorBlinkTimer();
-
- CreateSelectionHandles(start, end);
- UpdateHighlight();
-
- const TextStyle oldInputStyle( mInputStyle );
- mInputStyle = GetStyleAt( selectionStartPosition ); // Inherit style from selected position.
-
- if( oldInputStyle != mInputStyle )
- {
- // Updates the line height accordingly with the input style.
- UpdateLineHeight();
-
- EmitStyleChangedSignal();
- }
-
- HidePopup();
- }
-
- mSelectingText = false;
- }
-}
-
-MarkupProcessor::StyledTextArray TextInput::GetSelectedText()
-{
- MarkupProcessor::StyledTextArray currentSelectedText;
-
- if ( IsTextSelected() )
- {
- MarkupProcessor::StyledTextArray::iterator it = mStyledText.begin() + std::min(mSelectionHandleOnePosition, mSelectionHandleTwoPosition);
- MarkupProcessor::StyledTextArray::iterator end = mStyledText.begin() + std::max(mSelectionHandleOnePosition, mSelectionHandleTwoPosition);
-
- for(; it != end; ++it)
- {
- MarkupProcessor::StyledText& styledText( *it );
- currentSelectedText.push_back( styledText );
- }
- }
- return currentSelectedText;
-}
-
-void TextInput::ApplyStyleToRange(const TextStyle& style, const TextStyle::Mask mask, const std::size_t begin, const std::size_t end)
-{
- const std::size_t beginIndex = std::min( begin, end );
- const std::size_t endIndex = std::max( begin, end );
-
- // Apply the style
- MarkupProcessor::SetTextStyleToRange( mStyledText, style, mask, beginIndex, endIndex );
-
- // Create a styled text array used to replace the text into the text-view.
- MarkupProcessor::StyledTextArray text;
- text.insert( text.begin(), mStyledText.begin() + beginIndex, mStyledText.begin() + endIndex + 1 );
-
- mDisplayedTextView.ReplaceTextFromTo( beginIndex, ( endIndex - beginIndex ) + 1, text );
- GetTextLayoutInfo();
-
- if( IsScrollEnabled() )
- {
- // Need to set the scroll position as the text's size may have changed.
- ScrollTextViewToMakeCursorVisible( Vector3( mTextLayoutInfo.mScrollOffset.x, mTextLayoutInfo.mScrollOffset.y, 0.f ) );
- }
-
- ShowGrabHandleAndSetVisibility( false );
-
- DrawCursor();
-
- UpdateHighlight();
-
- // Set Handle positioning as the new style may have repositioned the characters.
- SetSelectionHandlePosition(HandleOne);
- SetSelectionHandlePosition(HandleTwo);
-}
-
-void TextInput::KeyboardStatusChanged(bool keyboardShown)
-{
- // Just hide the grab handle when keyboard is hidden.
- if (!keyboardShown )
- {
- ShowGrabHandleAndSetVisibility( false );
-
- // If the keyboard is not now being shown, then hide the popup panel
- mPopupPanel.Hide( true );
- }
-}
-
-// Removes highlight and resumes edit mode state
-void TextInput::RemoveHighlight( bool hidePopup )
-{
- DALI_LOG_INFO(gLogFilter, Debug::General, "RemoveHighlight\n");
-
- if ( mHighlightMeshActor )
- {
- if ( mSelectionHandleOne )
- {
- mActiveLayer.Remove( mSelectionHandleOne );
- mSelectionHandleOne.Reset();
- mSelectionHandleOneOffset.x = 0.0f;
- }
- if ( mSelectionHandleTwo )
- {
- mActiveLayer.Remove( mSelectionHandleTwo );
- mSelectionHandleTwo.Reset();
- mSelectionHandleTwoOffset.x = 0.0f;
- }
-
- mNewHighlightInfo.mQuadList.clear();
-
- Self().Remove( mHighlightMeshActor );
-
- SetCursorVisibility( true );
- StartCursorBlinkTimer();
-
- mHighlightMeshActor.Reset();
- // NOTE: We cannot dereference mHighlightMesh, due
- // to a bug in how the scene-graph MeshRenderer uses the Mesh data incorrectly.
-
- if ( hidePopup )
- {
- HidePopup();
- }
- }
-
- mSelectionHandleOnePosition = 0;
- mSelectionHandleTwoPosition = 0;
-}
-
-void TextInput::CreateHighlight()
-{
- if ( !mHighlightMeshActor )
- {
- mMeshData = MeshData( );
- mMeshData.SetHasNormals( true );
-
- mCustomMaterial = Material::New("CustomMaterial");
- mCustomMaterial.SetDiffuseColor( mMaterialColor );
-
- mMeshData.SetMaterial( mCustomMaterial );
-
- mHighlightMesh = Mesh::New( mMeshData );
-
- mHighlightMeshActor = MeshActor::New( mHighlightMesh );
- mHighlightMeshActor.SetName( "HighlightMeshActor" );
- mHighlightMeshActor.SetParentOrigin( ParentOrigin::TOP_LEFT );
- mHighlightMeshActor.SetAnchorPoint( AnchorPoint::TOP_LEFT );
- mHighlightMeshActor.SetPosition( 0.0f, 0.0f, DISPLAYED_HIGHLIGHT_Z_OFFSET );
- mHighlightMeshActor.SetAffectedByLighting(false);
-
- Self().Add(mHighlightMeshActor);
- }
-}
-
-
-bool TextInput::CopySelectedTextToClipboard()
-{
- mCurrentCopySelecton.clear();
-
- mCurrentCopySelecton = GetSelectedText();
-
- std::string stringToStore;
-
- /* Create a StyledTextArray from the selected region so can use the MarkUpProcessor to produce
- * a marked up string.
- */
- MarkupProcessor::StyledTextArray selectedText(mCurrentCopySelecton.begin(),mCurrentCopySelecton.end());
- MarkupProcessor::GetPlainString( selectedText, stringToStore );
-
- bool success = mClipboard.SetItem( stringToStore );
- return success;
-}
-
-void TextInput::PasteText( const Text& text )
-{
- // Update Flag, indicates whether to update the text-input contents or not.
- // Any key stroke that results in a visual change of the text-input should
- // set this flag to true.
- bool update = false;
- if( mHighlightMeshActor )
- {
- /* if highlighted, delete entire text, and position cursor at start of deleted text. */
- mCursorPosition = std::min(mSelectionHandleOnePosition, mSelectionHandleTwoPosition);
-
- ImfManager imfManager = ImfManager::Get();
- if ( imfManager )
- {
- imfManager.SetCursorPosition( mCursorPosition );
- imfManager.NotifyCursorPosition();
- }
- DeleteHighlightedText( true );
- update = true;
- }
-
- bool textExceedsMaximunNumberOfCharacters = false;
- bool textExceedsBoundary = false;
-
- std::size_t insertedStringLength = DoInsertAt( text, mCursorPosition, 0, textExceedsMaximunNumberOfCharacters, textExceedsBoundary );
-
- mCursorPosition += insertedStringLength;
- ImfManager imfManager = ImfManager::Get();
- if ( imfManager )
- {
- imfManager.SetCursorPosition ( mCursorPosition );
- imfManager.NotifyCursorPosition();
- }
-
- update = update || ( insertedStringLength > 0 );
- if( update )
- {
- CursorUpdate();
- EmitTextModified();
- }
-
- if( insertedStringLength < text.GetLength() )
- {
- EmitMaxInputCharactersReachedSignal();
- }
-
- if( textExceedsBoundary )
- {
- EmitInputTextExceedsBoundariesSignal();
- }
-}
-
-void TextInput::SetTextDirection()
-{
- // Put the cursor to the right if we are empty and an RTL language is being used.
- if ( mStyledText.empty() )
- {
- VirtualKeyboard::TextDirection direction( VirtualKeyboard::GetTextDirection() );
-
- // Get the current text alignment preserving the vertical alignment. Also preserve the horizontal center
- // alignment as we do not want to set the text direction if we've been asked to be in the center.
- //
- // TODO: Should split SetTextAlignment into two APIs to better handle this (sometimes apps just want to
- // set vertical alignment but are being forced to set the horizontal alignment as well with the
- // current API.
- int alignment( mDisplayedTextView.GetTextAlignment() &
- ( Toolkit::Alignment::VerticalTop |
- Toolkit::Alignment::VerticalCenter |
- Toolkit::Alignment::VerticalBottom |
- Toolkit::Alignment::HorizontalCenter ) );
- Toolkit::TextView::LineJustification justification( mDisplayedTextView.GetLineJustification() );
-
- // If our alignment is in the center, then do not change.
- if ( !( alignment & Toolkit::Alignment::HorizontalCenter ) )
- {
- alignment |= ( direction == VirtualKeyboard::LeftToRight ) ? Toolkit::Alignment::HorizontalLeft : Toolkit::Alignment::HorizontalRight;
- }
-
- // If our justification is in the center, then do not change.
- if ( justification != Toolkit::TextView::Center )
- {
- justification = ( direction == VirtualKeyboard::LeftToRight ) ? Toolkit::TextView::Left : Toolkit::TextView::Right;
- }
-
- mDisplayedTextView.SetTextAlignment( static_cast<Toolkit::Alignment::Type>(alignment) );
- mDisplayedTextView.SetLineJustification( justification );
- }
-}
-
-void TextInput::UpdateLineHeight()
-{
- Dali::Font font = Dali::Font::New( FontParameters( mInputStyle.GetFontName(), mInputStyle.GetFontStyle(), mInputStyle.GetFontPointSize() ) );
- mLineHeight = font.GetLineHeight();
-
- // 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.
-
- const bool shrink = mDisplayedTextView && ( Toolkit::TextView::ShrinkToFit == mDisplayedTextView.GetHeightExceedPolicy() ) && mStyledText.empty();
-
- if( !mExceedEnabled || shrink )
- {
- mLineHeight = std::min( mLineHeight, GetControlSize().height );
- }
-}
-
-std::size_t TextInput::FindVisibleCharacter( FindVisibleCharacterDirection direction , std::size_t cursorPosition ) const
-{
- // VCC check if we need do this in the visual order ...
- std::size_t position = 0u;
-
- const std::size_t tableSize = mTextLayoutInfo.mCharacterLayoutInfoTable.size();
-
- switch( direction )
- {
- case Left:
- {
- position = FindVisibleCharacterLeft( cursorPosition, mTextLayoutInfo.mCharacterLayoutInfoTable );
-
- if( !( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + ( tableSize == position ? position - 1u : position ) ) ).mIsVisible )
- {
- position = FindVisibleCharacterRight( cursorPosition, mTextLayoutInfo.mCharacterLayoutInfoTable );
- }
- break;
- }
- case Right:
- {
- position = FindVisibleCharacterRight( cursorPosition, mTextLayoutInfo.mCharacterLayoutInfoTable );
- if( !( *( mTextLayoutInfo.mCharacterLayoutInfoTable.begin() + ( tableSize == position ? position - 1u : position ) ) ).mIsVisible )
- {
- position = FindVisibleCharacterLeft( cursorPosition, mTextLayoutInfo.mCharacterLayoutInfoTable );
- }
- break;
- }
- case ByEnd:
- {
- position = FindVisibleCharacterLeft( 0u, mTextLayoutInfo.mCharacterLayoutInfoTable );
- break;
- }
- default:
- {
- DALI_ASSERT_ALWAYS( !"TextInput::FindVisibleCharacter() Unknown direction." );
- }
- }
-
- return position;
-}
-
-void TextInput::SetSortModifier( float depthOffset )
-{
- if(mDisplayedTextView)
- {
- mDisplayedTextView.SetSortModifier(depthOffset);
- }
-}
-
-void TextInput::SetSnapshotModeEnabled( bool enable )
-{
- if(mDisplayedTextView)
- {
- mDisplayedTextView.SetSnapshotModeEnabled( enable );
- }
-}
-
-bool TextInput::IsSnapshotModeEnabled() const
-{
- bool snapshotEnabled = false;
-
- if(mDisplayedTextView)
- {
- snapshotEnabled = mDisplayedTextView.IsSnapshotModeEnabled();
- }
-
- return snapshotEnabled;
-}
-
-void TextInput::SetMarkupProcessingEnabled( bool enable )
-{
- mMarkUpEnabled = enable;
-}
-
-bool TextInput::IsMarkupProcessingEnabled() const
-{
- return mMarkUpEnabled;
-}
-
-void TextInput::SetScrollEnabled( bool enable )
-{
- if( mDisplayedTextView )
- {
- mDisplayedTextView.SetScrollEnabled( enable );
- }
-
- if( !enable )
- {
- // Don't set cursor's and handle's visibility to false if they are outside the
- // boundaries of the text-input.
- mIsCursorInScrollArea = true;
- mIsGrabHandleInScrollArea = true;
- if( mSelectionHandleOne && mSelectionHandleTwo )
- {
- mSelectionHandleOne.SetVisible( true );
- mSelectionHandleTwo.SetVisible( true );
-
- if( mHighlightMeshActor )
- {
- mHighlightMeshActor.SetVisible( true );
- }
- }
- }
-}
-
-bool TextInput::IsScrollEnabled() const
-{
- bool scrollEnabled = false;
-
- if( mDisplayedTextView )
- {
- scrollEnabled = mDisplayedTextView.IsScrollEnabled();
- }
-
- return scrollEnabled;
-}
-
-void TextInput::SetScrollPosition( const Vector2& position )
-{
- if( mDisplayedTextView )
- {
- mDisplayedTextView.SetScrollPosition( position );
- }
-}
-
-Vector2 TextInput::GetScrollPosition() const
-{
- Vector2 scrollPosition;
-
- if( mDisplayedTextView )
- {
- scrollPosition = mDisplayedTextView.GetScrollPosition();
- }
-
- return scrollPosition;
-}
-
-std::size_t TextInput::DoInsertAt( const Text& text, const std::size_t position, const std::size_t numberOfCharactersToReplace, bool& textExceedsMaximunNumberOfCharacters, bool& textExceedsBoundary )
-{
- // determine number of characters that we can write to style text buffer, this is the insertStringLength
- std::size_t insertedStringLength = std::min( text.GetLength(), mMaxStringLength - mStyledText.size() );
- textExceedsMaximunNumberOfCharacters = insertedStringLength < text.GetLength();
-
- // Add style to the new input text.
- MarkupProcessor::StyledTextArray textToInsert;
- for( std::size_t i = 0; i < insertedStringLength; ++i )
- {
- const MarkupProcessor::StyledText newStyledCharacter( text[i], mInputStyle );
- textToInsert.push_back( newStyledCharacter );
- }
-
- //Insert text to the TextView.
- const bool emptyTextView = mStyledText.empty();
- if( emptyTextView && mPlaceHolderSet )
- {
- // There is no text set so call to TextView::SetText() is needed in order to clear the placeholder text.
- mDisplayedTextView.SetText( textToInsert );
- }
- else
- {
- if( 0 == numberOfCharactersToReplace )
- {
- mDisplayedTextView.InsertTextAt( position, textToInsert );
- }
- else
- {
- mDisplayedTextView.ReplaceTextFromTo( position, numberOfCharactersToReplace, textToInsert );
- }
- }
- mPlaceHolderSet = false;
-
- if( textToInsert.empty() )
- {
- // If no text has been inserted, GetTextLayoutInfo() need to be called to check whether mStyledText has some text.
- GetTextLayoutInfo();
- }
- else
- {
- // GetTextLayoutInfo() can't be used here as mStyledText is not updated yet.
- mDisplayedTextView.GetTextLayoutInfo( mTextLayoutInfo );
- }
-
- textExceedsBoundary = false;
-
- if( !mExceedEnabled )
- {
- const Vector3& size = GetControlSize();
-
- if( ( mTextLayoutInfo.mTextSize.width > size.width ) || ( mTextLayoutInfo.mTextSize.height > size.height ) )
- {
- // If new text does not fit within TextView
- mDisplayedTextView.RemoveTextFrom( position, insertedStringLength );
- // previously inserted text has been removed. Call GetTextLayoutInfo() to check whether mStyledText has some text.
- GetTextLayoutInfo();
- textExceedsBoundary = true;
- insertedStringLength = 0;
- }
-
- if( textExceedsBoundary )
- {
- // Add the part of the text which fits on the text-input.
-
- // Split the text which doesn't fit in two halves.
- MarkupProcessor::StyledTextArray firstHalf;
- MarkupProcessor::StyledTextArray secondHalf;
- SplitText( textToInsert, firstHalf, secondHalf );
-
- // Clear text. This text will be filled with the text inserted.
- textToInsert.clear();
-
- // Where to insert the text.
- std::size_t positionToInsert = position;
-
- bool end = text.GetLength() <= 1;
- while( !end )
- {
- // Insert text and check ...
- const std::size_t textLength = firstHalf.size();
- mDisplayedTextView.InsertTextAt( positionToInsert, firstHalf );
- mDisplayedTextView.GetTextLayoutInfo( mTextLayoutInfo );
-
- if( ( mTextLayoutInfo.mTextSize.width > size.width ) || ( mTextLayoutInfo.mTextSize.height > size.height ) )
- {
- // Inserted text doesn't fit.
-
- // Remove inserted text
- mDisplayedTextView.RemoveTextFrom( positionToInsert, textLength );
- mDisplayedTextView.GetTextLayoutInfo( mTextLayoutInfo );
-
- // The iteration finishes when only one character doesn't fit.
- end = textLength <= 1;
-
- if( !end )
- {
- // Prepare next two halves for next iteration.
- MarkupProcessor::StyledTextArray copyText = firstHalf;
- SplitText( copyText, firstHalf, secondHalf );
- }
- }
- else
- {
- // Text fits.
-
- // store text to be inserted in mStyledText.
- textToInsert.insert( textToInsert.end(), firstHalf.begin(), firstHalf.end() );
-
- // Increase the inserted characters counter.
- insertedStringLength += textLength;
-
- // Prepare next two halves for next iteration.
- MarkupProcessor::StyledTextArray copyText = secondHalf;
- SplitText( copyText, firstHalf, secondHalf );
-
- // Update where next text has to be inserted
- positionToInsert += textLength;
- }
- }
- }
- }
-
- if( textToInsert.empty() && emptyTextView )
- {
- // No character has been added and the text-view was empty.
- // Show the placeholder text.
- ShowPlaceholderText( mStyledPlaceHolderText );
- }
- else
- {
- MarkupProcessor::StyledTextArray::iterator it = mStyledText.begin() + position;
- mStyledText.insert( it, textToInsert.begin(), textToInsert.end() );
- mPlaceHolderSet = false;
- }
-
- return insertedStringLength;
-}
-
-void TextInput::GetTextLayoutInfo()
-{
- if( mStyledText.empty() )
- {
- // The text-input has no text, clear the text-view's layout info.
- mTextLayoutInfo = Toolkit::TextView::TextLayoutInfo();
- }
- else
- {
- if( mDisplayedTextView )
- {
- mDisplayedTextView.GetTextLayoutInfo( mTextLayoutInfo );
- }
- else
- {
- // There is no text-view.
- mTextLayoutInfo = Toolkit::TextView::TextLayoutInfo();
- }
- }
-}
-
-void TextInput::SetOffsetFromText( const Vector4& offset )
-{
- mPopupOffsetFromText = offset;
-}
-
-const Vector4& TextInput::GetOffsetFromText() const
-{
- return mPopupOffsetFromText;
-}
-
-void TextInput::SetProperty( BaseObject* object, Property::Index propertyIndex, const Property::Value& value )
-{
- Toolkit::TextInput textInput = Toolkit::TextInput::DownCast( Dali::BaseHandle( object ) );
-
- if ( textInput )
- {
- TextInput& textInputImpl( GetImpl( textInput ) );
-
- switch ( propertyIndex )
- {
- case Toolkit::TextInput::HIGHLIGHT_COLOR_PROPERTY:
- {
- textInputImpl.SetMaterialDiffuseColor( value.Get< Vector4 >() );
- break;
- }
- case Toolkit::TextInput::CUT_AND_PASTE_COLOR_PROPERTY:
- {
- textInputImpl.mPopupPanel.SetCutPastePopupColor( value.Get< Vector4 >() );
- break;
- }
- case Toolkit::TextInput::CUT_AND_PASTE_PRESSED_COLOR_PROPERTY:
- {
- textInputImpl.mPopupPanel.SetCutPastePopupPressedColor( value.Get< Vector4 >() );
- break;
- }
- case Toolkit::TextInput::CUT_AND_PASTE_BORDER_COLOR_PROPERTY:
- {
- textInputImpl.mPopupPanel.SetCutPastePopupBorderColor( value.Get< Vector4 >() );
- break;
- }
- case Toolkit::TextInput::CUT_AND_PASTE_ICON_COLOR_PROPERTY:
- {
- textInputImpl.mPopupPanel.SetCutPastePopupIconColor( value.Get< Vector4 >() );
- break;
- }
- case Toolkit::TextInput::CUT_AND_PASTE_ICON_PRESSED_COLOR_PROPERTY:
- {
- textInputImpl.mPopupPanel.SetCutPastePopupIconPressedColor( value.Get< Vector4 >() );
- break;
- }
- case Toolkit::TextInput::CUT_AND_PASTE_TEXT_COLOR_PROPERTY:
- {
- textInputImpl.mPopupPanel.SetCutPastePopupTextColor( value.Get< Vector4 >() );
- break;
- }
- case Toolkit::TextInput::CUT_AND_PASTE_TEXT_PRESSED_COLOR_PROPERTY:
- {
- textInputImpl.mPopupPanel.SetCutPastePopupTextPressedColor( value.Get< Vector4 >() );
- break;
- }
- case Toolkit::TextInput::CUT_BUTTON_POSITION_PRIORITY_PROPERTY:
- {
- textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsCut, value.Get<unsigned int>() );
- break;
- }
- case Toolkit::TextInput::COPY_BUTTON_POSITION_PRIORITY_PROPERTY:
- {
- textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsCopy, value.Get<unsigned int>() );
- break;
- }
- case Toolkit::TextInput::PASTE_BUTTON_POSITION_PRIORITY_PROPERTY:
- {
- textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsPaste, value.Get<unsigned int>() );
- break;
- }
- case Toolkit::TextInput::SELECT_BUTTON_POSITION_PRIORITY_PROPERTY:
- {
- textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsSelect, value.Get<unsigned int>() );
- break;
- }
- case Toolkit::TextInput::SELECT_ALL_BUTTON_POSITION_PRIORITY_PROPERTY:
- {
- textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsSelectAll, value.Get<unsigned int>() );
- break;
- }
- case Toolkit::TextInput::CLIPBOARD_BUTTON_POSITION_PRIORITY_PROPERTY:
- {
- textInputImpl.mPopupPanel.SetButtonPriorityPosition( TextInputPopup::ButtonsClipboard, value.Get<unsigned int>() );
- break;
- }
- case Toolkit::TextInput::POP_UP_OFFSET_FROM_TEXT_PROPERTY:
- {
- textInputImpl.SetOffsetFromText( value.Get< Vector4 >() );
- break;
- }
- case Toolkit::TextInput::CURSOR_COLOR_PROPERTY:
- {
- textInputImpl.mCursor.SetColor( value.Get< Vector4 >() );
- }
- }
- }
-}
-
-Property::Value TextInput::GetProperty( BaseObject* object, Property::Index propertyIndex )
-{
- Property::Value value;
-
- Toolkit::TextInput textInput = Toolkit::TextInput::DownCast( Dali::BaseHandle( object ) );
-
- if ( textInput )
- {
- TextInput& textInputImpl( GetImpl( textInput ) );
-
- switch ( propertyIndex )
- {
- case Toolkit::TextInput::HIGHLIGHT_COLOR_PROPERTY:
- {
- value = textInputImpl.GetMaterialDiffuseColor();
- break;
- }
- case Toolkit::TextInput::CUT_AND_PASTE_COLOR_PROPERTY:
- {
- value = textInputImpl.mPopupPanel.GetCutPastePopupColor();
- break;
- }
- case Toolkit::TextInput::CUT_AND_PASTE_PRESSED_COLOR_PROPERTY:
- {
- value = textInputImpl.mPopupPanel.GetCutPastePopupPressedColor();
- break;
- }
- case Toolkit::TextInput::CUT_AND_PASTE_BORDER_COLOR_PROPERTY :
- {
- value = textInputImpl.mPopupPanel.GetCutPastePopupBorderColor();
- break;
- }
- case Toolkit::TextInput::CUT_AND_PASTE_ICON_COLOR_PROPERTY:
- {
- value = textInputImpl.mPopupPanel.GetCutPastePopupIconColor();
- break;
- }
- case Toolkit::TextInput::CUT_AND_PASTE_ICON_PRESSED_COLOR_PROPERTY:
- {
- value = textInputImpl.mPopupPanel.GetCutPastePopupIconPressedColor();
- break;
- }
- case Toolkit::TextInput::CUT_AND_PASTE_TEXT_COLOR_PROPERTY:
- {
- value = textInputImpl.mPopupPanel.GetCutPastePopupTextColor();
- break;
- }
- case Toolkit::TextInput::CUT_AND_PASTE_TEXT_PRESSED_COLOR_PROPERTY:
- {
- value = textInputImpl.mPopupPanel.GetCutPastePopupTextPressedColor();
- break;
- }
- case Toolkit::TextInput::CUT_BUTTON_POSITION_PRIORITY_PROPERTY:
- {
- value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsCut );
- break;
- }
- case Toolkit::TextInput::COPY_BUTTON_POSITION_PRIORITY_PROPERTY:
- {
- value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsCopy );
- break;
- }
- case Toolkit::TextInput::PASTE_BUTTON_POSITION_PRIORITY_PROPERTY:
- {
- value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsPaste );
- break;
- }
- case Toolkit::TextInput::SELECT_BUTTON_POSITION_PRIORITY_PROPERTY:
- {
- value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsSelect );
- break;
- }
- case Toolkit::TextInput::SELECT_ALL_BUTTON_POSITION_PRIORITY_PROPERTY:
- {
- value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsSelectAll );
- break;
- }
- case Toolkit::TextInput::CLIPBOARD_BUTTON_POSITION_PRIORITY_PROPERTY:
- {
- value = textInputImpl.mPopupPanel.GetButtonPriorityPosition( TextInputPopup::ButtonsClipboard );
- break;
- }
- case Toolkit::TextInput::POP_UP_OFFSET_FROM_TEXT_PROPERTY:
- {
- value = textInputImpl.GetOffsetFromText();
- break;
- }
- case Toolkit::TextInput::CURSOR_COLOR_PROPERTY:
- {
- value = textInputImpl.mCursor.GetCurrentColor();
- }
- }
- }
- return value;
-}
-
-void TextInput::EmitStyleChangedSignal()
-{
- // emit signal if input style changes.
- Toolkit::TextInput handle( GetOwner() );
- mStyleChangedSignalV2.Emit( handle, mInputStyle );
-}
-
-void TextInput::EmitTextModified()
-{
- // emit signal when text changes.
- Toolkit::TextInput handle( GetOwner() );
- mTextModifiedSignal.Emit( handle );
-}
-
-
-void TextInput::EmitMaxInputCharactersReachedSignal()
-{
- // emit signal if max characters is reached during text input.
- DALI_LOG_INFO(gLogFilter, Debug::General, "EmitMaxInputCharactersReachedSignal \n");
-
- Toolkit::TextInput handle( GetOwner() );
- mMaxInputCharactersReachedSignalV2.Emit( handle );
-}
-
-void TextInput::EmitInputTextExceedsBoundariesSignal()
-{
- // Emit a signal when the input text exceeds the boundaries of the text input.
-
- Toolkit::TextInput handle( GetOwner() );
- mInputTextExceedBoundariesSignalV2.Emit( handle );
-}
-
-} // namespace Internal
-
-} // namespace Toolkit
-
-} // namespace Dali
projects / platform / core / uifw / dali-toolkit.git / commitdiff