// INTERNAL INCLUDES
#include <dali-toolkit/internal/text/bidirectional-support.h>
#include <dali-toolkit/internal/text/character-set-conversion.h>
+#include <dali-toolkit/internal/text/color-segmentation.h>
#include <dali-toolkit/internal/text/multi-language-support.h>
#include <dali-toolkit/internal/text/segmentation.h>
#include <dali-toolkit/internal/text/shaper.h>
EventData::EventData( DecoratorPtr decorator )
: mDecorator( decorator ),
+ mImfManager(),
mPlaceholderTextActive(),
mPlaceholderTextInactive(),
mPlaceholderTextColor( 0.8f, 0.8f, 0.8f, 0.8f ),
mUpdateRightSelectionPosition( false ),
mScrollAfterUpdatePosition( false ),
mScrollAfterDelete( false ),
- mAllTextSelected( false )
-{}
+ mAllTextSelected( false ),
+ mUpdateInputStyle( false )
+{
+ mImfManager = ImfManager::Get();
+}
EventData::~EventData()
{}
}
}
+ if( mEventData->mUpdateInputStyle )
+ {
+ // Set the default style first.
+ RetrieveDefaultInputStyle( mEventData->mInputStyle );
+
+ // Get the character index from the cursor index.
+ const CharacterIndex styleIndex = ( mEventData->mPrimaryCursorPosition > 0u ) ? mEventData->mPrimaryCursorPosition - 1u : 0u;
+
+ // Retrieve the style from the style runs stored in the logical model.
+ mLogicalModel->RetrieveStyle( styleIndex, mEventData->mInputStyle );
+
+ mEventData->mUpdateInputStyle = false;
+ }
+
mEventData->mEventQueue.clear();
DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::ProcessInputEvents\n" );
const Length numberOfCharacters = utf32Characters.Count();
Vector<LineBreakInfo>& lineBreakInfo = mLogicalModel->mLineBreakInfo;
+ CharacterIndex startIndex = 0u;
+ Length requestedNumberOfCharacters = numberOfCharacters;
if( GET_LINE_BREAKS & operations )
{
// Retrieves the line break info. The line break info is used to split the text in 'paragraphs' to
wordBreakInfo.Resize( numberOfCharacters, TextAbstraction::WORD_NO_BREAK );
SetWordBreakInfo( utf32Characters,
+ startIndex,
+ requestedNumberOfCharacters,
wordBreakInfo );
}
{
// Retrieves the scripts used in the text.
multilanguageSupport.SetScripts( utf32Characters,
+ startIndex,
+ requestedNumberOfCharacters,
scripts );
}
if( validateFonts )
{
- if( 0u == validFonts.Count() )
- {
- // Copy the requested font defaults received via the property system.
- // These may not be valid i.e. may not contain glyphs for the necessary scripts.
- GetDefaultFonts( validFonts, numberOfCharacters );
- }
+ // Validate the fonts set through the mark-up string.
+ Vector<FontDescriptionRun>& fontDescriptionRuns = mLogicalModel->mFontDescriptionRuns;
+
+ // Get the default font id.
+ const FontId defaultFontId = ( NULL == mFontDefaults ) ? 0u : mFontDefaults->GetFontId( mFontClient );
// Validates the fonts. If there is a character with no assigned font it sets a default one.
// After this call, fonts are validated.
multilanguageSupport.ValidateFonts( utf32Characters,
scripts,
+ fontDescriptionRuns,
+ defaultFontId,
+ startIndex,
+ requestedNumberOfCharacters,
validFonts );
}
}
SetBidirectionalInfo( utf32Characters,
scripts,
lineBreakInfo,
+ startIndex,
+ requestedNumberOfCharacters,
bidirectionalInfo );
if( 0u != bidirectionalInfo.Count() )
{
- // This paragraph has right to left text. Some characters may need to be mirrored.
- // TODO: consider if the mirrored string can be stored as well.
-
- textMirrored = GetMirroredText( utf32Characters,
- mirroredUtf32Characters,
- bidirectionalInfo );
-
// Only set the character directions if there is right to left characters.
Vector<CharacterDirection>& directions = mLogicalModel->mCharacterDirections;
- directions.Resize( numberOfCharacters );
-
GetCharactersDirection( bidirectionalInfo,
+ numberOfCharacters,
+ startIndex,
+ requestedNumberOfCharacters,
directions );
+
+ // This paragraph has right to left text. Some characters may need to be mirrored.
+ // TODO: consider if the mirrored string can be stored as well.
+
+ textMirrored = GetMirroredText( utf32Characters,
+ directions,
+ bidirectionalInfo,
+ startIndex,
+ requestedNumberOfCharacters,
+ mirroredUtf32Characters );
}
else
{
Vector<GlyphIndex> newParagraphGlyphs;
newParagraphGlyphs.Reserve( numberOfParagraphs );
+ GlyphIndex startGlyphIndex = 0u;
if( SHAPE_TEXT & operations )
{
const Vector<Character>& textToShape = textMirrored ? mirroredUtf32Characters : utf32Characters;
lineBreakInfo,
scripts,
validFonts,
+ startIndex,
+ startGlyphIndex,
+ requestedNumberOfCharacters,
glyphs,
glyphsToCharactersMap,
charactersPerGlyph,
newParagraphGlyphs );
// Create the 'number of glyphs' per character and the glyph to character conversion tables.
- mVisualModel->CreateGlyphsPerCharacterTable( numberOfCharacters );
- mVisualModel->CreateCharacterToGlyphTable( numberOfCharacters );
+ mVisualModel->CreateGlyphsPerCharacterTable( startIndex, numberOfCharacters );
+ mVisualModel->CreateCharacterToGlyphTable( startIndex, numberOfCharacters );
}
const Length numberOfGlyphs = glyphs.Count();
if( GET_GLYPH_METRICS & operations )
{
- GlyphInfo* glyphsBuffer = glyphs.Begin();
+ GlyphInfo* glyphsBuffer = glyphs.Begin() + startGlyphIndex;
mMetrics->GetGlyphMetrics( glyphsBuffer, numberOfGlyphs );
// Update the width and advance of all new paragraph characters.
}
}
- if( mEventData &&
+ if( ( NULL != mEventData ) &&
mEventData->mPreEditFlag &&
( 0u != mVisualModel->mCharactersToGlyph.Count() ) )
{
}
}
-void Controller::Impl::GetDefaultFonts( Vector<FontRun>& fonts, Length numberOfCharacters )
+bool Controller::Impl::UpdateModelStyle( OperationsMask operationsRequired )
+{
+ bool updated = false;
+
+ if( COLOR & operationsRequired )
+ {
+ // Set the color runs in glyphs.
+ SetColorSegmentationInfo( mLogicalModel->mColorRuns,
+ mVisualModel->mCharactersToGlyph,
+ mVisualModel->mGlyphsPerCharacter,
+ mVisualModel->mColorRuns );
+
+ updated = true;
+ }
+
+ return updated;
+}
+
+void Controller::Impl::RetrieveDefaultInputStyle( InputStyle& inputStyle )
{
+ // Sets the default text's color.
+ inputStyle.textColor = mTextColor;
+
+ // Sets the default font's family name, weight, width, slant and size.
if( mFontDefaults )
{
- DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::GetDefaultFonts font family(%s)\n", mFontDefaults->mFontDescription.family.c_str() );
- FontRun fontRun;
- fontRun.characterRun.characterIndex = 0;
- fontRun.characterRun.numberOfCharacters = numberOfCharacters;
- fontRun.fontId = mFontDefaults->GetFontId( mFontClient );
- fontRun.isDefault = true;
+ inputStyle.familyName = mFontDefaults->mFontDescription.family;
+ inputStyle.weight = mFontDefaults->mFontDescription.weight;
+ inputStyle.width = mFontDefaults->mFontDescription.width;
+ inputStyle.slant = mFontDefaults->mFontDescription.slant;
+ inputStyle.size = mFontDefaults->mDefaultPointSize;
+
+ inputStyle.familyDefined = mFontDefaults->familyDefined;
+ inputStyle.weightDefined = mFontDefaults->weightDefined;
+ inputStyle.widthDefined = mFontDefaults->widthDefined;
+ inputStyle.slantDefined = mFontDefaults->slantDefined;
+ inputStyle.sizeDefined = mFontDefaults->sizeDefined;
+ }
+ else
+ {
+ inputStyle.familyName.clear();
+ inputStyle.weight = TextAbstraction::FontWeight::NORMAL;
+ inputStyle.width = TextAbstraction::FontWidth::NORMAL;
+ inputStyle.slant = TextAbstraction::FontSlant::NORMAL;
+ inputStyle.size = 0.f;
- fonts.PushBack( fontRun );
+ inputStyle.familyDefined = false;
+ inputStyle.weightDefined = false;
+ inputStyle.widthDefined = false;
+ inputStyle.slantDefined = false;
+ inputStyle.sizeDefined = false;
}
}
}
mEventData->mUpdateCursorPosition = true;
+ mEventData->mUpdateInputStyle = true;
mEventData->mScrollAfterUpdatePosition = true;
}
mEventData->mUpdateCursorPosition = true;
mEventData->mScrollAfterUpdatePosition = true;
+ mEventData->mUpdateInputStyle = true;
+
+ // Notify the cursor position to the imf manager.
+ if( mEventData->mImfManager )
+ {
+ mEventData->mImfManager.SetCursorPosition( mEventData->mPrimaryCursorPosition );
+ mEventData->mImfManager.NotifyCursorPosition();
+ }
}
}
}
void Controller::Impl::OnLongPressEvent( const Event& event )
{
- if ( EventData::EDITING == mEventData->mState )
+ DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::OnLongPressEvent\n" );
+
+ if( EventData::EDITING == mEventData->mState )
{
ChangeState ( EventData::EDITING_WITH_POPUP );
mEventData->mDecoratorUpdated = true;
if( Event::GRAB_HANDLE_EVENT == event.type )
{
mEventData->mUpdateCursorPosition = true;
+ mEventData->mUpdateInputStyle = true;
- ChangeState( EventData::EDITING_WITH_POPUP );
+ if( !IsClipboardEmpty() )
+ {
+ ChangeState( EventData::EDITING_WITH_PASTE_POPUP ); // Moving grabhandle will show Paste Popup
+ }
if( handleStopScrolling )
{
mEventData->mUpdateCursorPosition = mEventData->mPrimaryCursorPosition != handlePosition;
mEventData->mScrollAfterUpdatePosition = mEventData->mUpdateCursorPosition;
mEventData->mPrimaryCursorPosition = handlePosition;
+ mEventData->mUpdateInputStyle = mEventData->mUpdateCursorPosition;
}
else if( leftSelectionHandleEvent || rightSelectionHandleEvent )
{
void Controller::Impl::OnSelectAllEvent()
{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "OnSelectAllEvent mEventData->mSelectionEnabled%s \n", mEventData->mSelectionEnabled?"true":"false");
+
if( NULL == mEventData )
{
// Nothing to do if there is no text.
}
}
-void Controller::Impl::RetrieveSelection( std::string& selectedText, bool deleteAfterRetreival )
+void Controller::Impl::RetrieveSelection( std::string& selectedText, bool deleteAfterRetrieval )
{
- if( mEventData->mLeftSelectionPosition == mEventData->mRightSelectionPosition )
+ if( mEventData->mLeftSelectionPosition == mEventData->mRightSelectionPosition )
{
// Nothing to select if handles are in the same place.
- selectedText="";
+ selectedText.clear();
return;
}
const bool handlesCrossed = mEventData->mLeftSelectionPosition > mEventData->mRightSelectionPosition;
//Get start and end position of selection
- uint32_t startOfSelectedText = handlesCrossed ? mEventData->mRightSelectionPosition : mEventData->mLeftSelectionPosition;
- uint32_t lengthOfSelectedText = ( handlesCrossed ? mEventData->mLeftSelectionPosition : mEventData->mRightSelectionPosition ) - startOfSelectedText;
+ const CharacterIndex startOfSelectedText = handlesCrossed ? mEventData->mRightSelectionPosition : mEventData->mLeftSelectionPosition;
+ const Length lengthOfSelectedText = ( handlesCrossed ? mEventData->mLeftSelectionPosition : mEventData->mRightSelectionPosition ) - startOfSelectedText;
// Validate the start and end selection points
- if( ( startOfSelectedText + lengthOfSelectedText ) <= mLogicalModel->mText.Count() )
+ if( ( startOfSelectedText + lengthOfSelectedText ) <= mLogicalModel->mText.Count() )
{
//Get text as a UTF8 string
Vector<Character>& utf32Characters = mLogicalModel->mText;
Utf32ToUtf8( &utf32Characters[startOfSelectedText], lengthOfSelectedText, selectedText );
- if ( deleteAfterRetreival ) // Only delete text if copied successfully
+ if( deleteAfterRetrieval ) // Only delete text if copied successfully
{
+ // Set as input style the style of the first deleted character.
+ mLogicalModel->RetrieveStyle( startOfSelectedText, mEventData->mInputStyle );
+
+ mLogicalModel->UpdateTextStyleRuns( startOfSelectedText, -static_cast<int>( lengthOfSelectedText ) );
+
// Delete text between handles
Vector<Character>& currentText = mLogicalModel->mText;
void Controller::Impl::ShowClipboard()
{
- if ( mClipboard )
+ if( mClipboard )
{
mClipboard.ShowClipboard();
}
void Controller::Impl::HideClipboard()
{
- if ( mClipboard )
+ if( mClipboard )
{
mClipboard.HideClipboard();
}
ChangeState( EventData::EDITING );
}
-void Controller::Impl::GetTextFromClipboard( unsigned int itemIndex, std::string& retreivedString )
+void Controller::Impl::GetTextFromClipboard( unsigned int itemIndex, std::string& retrievedString )
{
if ( mClipboard )
{
- retreivedString = mClipboard.GetItem( itemIndex );
+ retrievedString = mClipboard.GetItem( itemIndex );
}
}
const Vector2 primaryPosition = primaryCursorInfo.primaryPosition + offset;
const Vector2 secondaryPosition = secondaryCursorInfo.primaryPosition + offset;
- mEventData->mDecorator->SetPosition( LEFT_SELECTION_HANDLE, primaryPosition.x, primaryPosition.y, primaryCursorInfo.lineHeight );
+ mEventData->mDecorator->SetPosition( LEFT_SELECTION_HANDLE,
+ primaryPosition.x,
+ primaryCursorInfo.lineOffset + offset.y,
+ primaryCursorInfo.lineHeight );
- mEventData->mDecorator->SetPosition( RIGHT_SELECTION_HANDLE, secondaryPosition.x, secondaryPosition.y, secondaryCursorInfo.lineHeight );
+ mEventData->mDecorator->SetPosition( RIGHT_SELECTION_HANDLE,
+ secondaryPosition.x,
+ secondaryCursorInfo.lineOffset + offset.y,
+ secondaryCursorInfo.lineHeight );
// Cursor to be positioned at end of selection so if selection interrupted and edit mode restarted the cursor will be at end of selection
mEventData->mPrimaryCursorPosition = ( indicesSwapped ) ? mEventData->mLeftSelectionPosition : mEventData->mRightSelectionPosition;
const Length numberOfGlyphs = mVisualModel->mGlyphs.Count();
const Length numberOfLines = mVisualModel->mLines.Count();
- if( 0 == numberOfGlyphs ||
- 0 == numberOfLines )
+ if( ( 0 == numberOfGlyphs ) ||
+ ( 0 == numberOfLines ) )
{
// Nothing to do if there is no text.
return;
{
buttonsToShow = TextSelectionPopup::Buttons( TextSelectionPopup::CUT | TextSelectionPopup::COPY );
- if ( !IsClipboardEmpty() )
+ if( !IsClipboardEmpty() )
{
buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::CLIPBOARD ) );
}
- if ( !mEventData->mAllTextSelected )
+ if( !mEventData->mAllTextSelected )
{
buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::SELECT_ALL ) );
}
}
- else if ( EventData::EDITING_WITH_POPUP == mEventData->mState )
+ else if( EventData::EDITING_WITH_POPUP == mEventData->mState )
{
- if ( mLogicalModel->mText.Count() && !IsShowingPlaceholderText())
+ if( mLogicalModel->mText.Count() && !IsShowingPlaceholderText() )
{
buttonsToShow = TextSelectionPopup::Buttons( TextSelectionPopup::SELECT | TextSelectionPopup::SELECT_ALL );
}
+ if( !IsClipboardEmpty() )
+ {
+ buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
+ buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::CLIPBOARD ) );
+ }
+ }
+ else if( EventData::EDITING_WITH_PASTE_POPUP == mEventData->mState )
+ {
if ( !IsClipboardEmpty() )
{
buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
return;
}
+ DALI_LOG_INFO( gLogFilter, Debug::General, "ChangeState state:%d newstate:%d\n", mEventData->mState, newState );
+
if( mEventData->mState != newState )
{
mEventData->mState = newState;
mEventData->mDecoratorUpdated = true;
HideClipboard();
}
- else if ( EventData::INTERRUPTED == mEventData->mState)
+ else if( EventData::INTERRUPTED == mEventData->mState)
{
mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
mEventData->mDecoratorUpdated = true;
HideClipboard();
}
- else if ( EventData::SELECTING == mEventData->mState )
+ else if( EventData::SELECTING == mEventData->mState )
{
mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
mEventData->mDecorator->StopCursorBlink();
}
else if( EventData::EDITING_WITH_POPUP == mEventData->mState )
{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "EDITING_WITH_POPUP \n", newState );
+
mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
if( mEventData->mCursorBlinkEnabled )
{
}
else if( EventData::EDITING_WITH_GRAB_HANDLE == mEventData->mState )
{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "EDITING_WITH_GRAB_HANDLE \n", newState );
+
mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
if( mEventData->mCursorBlinkEnabled )
{
mEventData->mDecoratorUpdated = true;
HideClipboard();
}
- else if ( EventData::SELECTION_HANDLE_PANNING == mEventData->mState )
+ else if( EventData::SELECTION_HANDLE_PANNING == mEventData->mState )
{
mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
mEventData->mDecorator->StopCursorBlink();
}
mEventData->mDecoratorUpdated = true;
}
- else if ( EventData::GRAB_HANDLE_PANNING == mEventData->mState )
+ else if( EventData::GRAB_HANDLE_PANNING == mEventData->mState )
{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "GRAB_HANDLE_PANNING \n", newState );
+
mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
if( mEventData->mCursorBlinkEnabled )
{
}
mEventData->mDecoratorUpdated = true;
}
+ else if( EventData::EDITING_WITH_PASTE_POPUP == mEventData->mState )
+ {
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "EDITING_WITH_PASTE_POPUP \n", newState );
+
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ if( mEventData->mCursorBlinkEnabled )
+ {
+ mEventData->mDecorator->StartCursorBlink();
+ }
+
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ SetPopupButtons();
+ mEventData->mDecorator->SetPopupActive( true );
+ }
+ HideClipboard();
+ mEventData->mDecoratorUpdated = true;
+ }
}
}
CharacterIndex hitCharacter = GetClosestCursorIndex( visualX, visualY );
DALI_ASSERT_DEBUG( hitCharacter <= mLogicalModel->mText.Count() && "GetClosestCursorIndex returned out of bounds index" );
- if ( mLogicalModel->mText.Count() == 0 )
+ if( mLogicalModel->mText.Count() == 0 )
{
return; // if model empty
}
if( hitCharacter >= mLogicalModel->mText.Count() )
{
// Closest hit character is the last character.
- if ( hitCharacter == mLogicalModel->mText.Count() )
+ if( hitCharacter == mLogicalModel->mText.Count() )
{
hitCharacter--; //Hit character index set to last character in logical model
}
startIndex = hitCharacter;
endIndex = hitCharacter;
+ bool isHitCharacterWhitespace = TextAbstraction::IsWhiteSpace( mLogicalModel->mText[hitCharacter] );
- if( !TextAbstraction::IsWhiteSpace( mLogicalModel->mText[hitCharacter] ) )
+ // Find the start and end of the text
+ for( startIndex = hitCharacter; startIndex > 0; --startIndex )
{
- // Find the start and end of the text
- for( startIndex = hitCharacter; startIndex > 0; --startIndex )
+ if( isHitCharacterWhitespace != TextAbstraction::IsWhiteSpace( mLogicalModel->mText[ startIndex-1 ] ) )
{
- Character charCode = mLogicalModel->mText[ startIndex-1 ];
- if( TextAbstraction::IsWhiteSpace( charCode ) )
- {
- break;
- }
+ break;
}
- const CharacterIndex pastTheEnd = mLogicalModel->mText.Count();
- for( endIndex = hitCharacter + 1u; endIndex < pastTheEnd; ++endIndex )
+ }
+ const CharacterIndex pastTheEnd = mLogicalModel->mText.Count();
+ for( endIndex = hitCharacter + 1u; endIndex < pastTheEnd; ++endIndex )
+ {
+ if( isHitCharacterWhitespace != TextAbstraction::IsWhiteSpace( mLogicalModel->mText[ endIndex ] ) )
{
- Character charCode = mLogicalModel->mText[ endIndex ];
- if( TextAbstraction::IsWhiteSpace( charCode ) )
- {
- break;
- }
+ break;
}
}
}
const Length numberOfGlyphs = mVisualModel->mGlyphs.Count();
const Length numberOfLines = mVisualModel->mLines.Count();
- if( 0 == numberOfGlyphs ||
- 0 == numberOfLines )
+ if( ( 0 == numberOfGlyphs ) ||
+ ( 0 == numberOfLines ) )
{
return logicalIndex;
}
// Get the glyphs per character table.
const Length* const glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin();
- const Length* const charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin();
// If the vector is void, there is no right to left characters.
const bool hasRightToLeftCharacters = NULL != visualToLogicalBuffer;
// Traverses glyphs in visual order. To do that use the visual to logical conversion table.
CharacterIndex visualIndex = startCharacter;
+ Length numberOfCharacters = 0u;
for( ; !matched && ( visualIndex < endCharacter ); ++visualIndex )
{
// The character in logical order.
// Get the script of the character.
const Script script = mLogicalModel->GetScript( characterLogicalOrderIndex );
- // The first glyph for that character in logical order.
- const GlyphIndex glyphLogicalOrderIndex = *( charactersToGlyphBuffer + characterLogicalOrderIndex );
// The number of glyphs for that character
const Length numberOfGlyphs = *( glyphsPerCharacterBuffer + characterLogicalOrderIndex );
+ ++numberOfCharacters;
- // Get the metrics for the group of glyphs.
- GlyphMetrics glyphMetrics;
- GetGlyphsMetrics( glyphLogicalOrderIndex,
- numberOfGlyphs,
- glyphMetrics,
- mVisualModel,
- mMetrics );
- const Vector2& position = *( positionsBuffer + glyphLogicalOrderIndex );
+ if( 0u != numberOfGlyphs )
+ {
+ // Get the first character/glyph of the group of glyphs.
+ const CharacterIndex firstVisualCharacterIndex = 1u + visualIndex - numberOfCharacters;
+ const CharacterIndex firstLogicalCharacterIndex = hasRightToLeftCharacters ? *( visualToLogicalBuffer + firstVisualCharacterIndex ) : firstVisualCharacterIndex;
+ const GlyphIndex firstLogicalGlyphIndex = *( charactersToGlyphBuffer + firstLogicalCharacterIndex );
+
+ // Get the metrics for the group of glyphs.
+ GlyphMetrics glyphMetrics;
+ GetGlyphsMetrics( firstLogicalGlyphIndex,
+ numberOfGlyphs,
+ glyphMetrics,
+ mVisualModel,
+ mMetrics );
- // Prevents to jump the whole Latin ligatures like fi, ff, or Arabic ﻻ...
- const Length numberOfCharactersInLigature = HasLigatureMustBreak( script ) ? *( charactersPerGlyphBuffer + glyphLogicalOrderIndex ) : 1u;
- const float glyphAdvance = glyphMetrics.advance / static_cast<float>( numberOfCharactersInLigature );
+ // Get the position of the first glyph.
+ const Vector2& position = *( positionsBuffer + firstLogicalGlyphIndex );
- for( GlyphIndex index = 0u; !matched && ( index < numberOfCharactersInLigature ); ++index )
- {
- // Find the mid-point of the area containing the glyph
- const float glyphCenter = -glyphMetrics.xBearing + position.x + ( static_cast<float>( index ) + 0.5f ) * glyphAdvance;
+ // Whether the glyph can be split, like Latin ligatures fi, ff or Arabic ﻻ.
+ const bool isInterglyphIndex = ( numberOfCharacters > numberOfGlyphs ) && HasLigatureMustBreak( script );
+ const Length numberOfBlocks = isInterglyphIndex ? numberOfCharacters : 1u;
+ const float glyphAdvance = glyphMetrics.advance / static_cast<float>( numberOfBlocks );
+
+ GlyphIndex index = 0u;
+ for( ; !matched && ( index < numberOfBlocks ); ++index )
+ {
+ // Find the mid-point of the area containing the glyph
+ const float glyphCenter = -glyphMetrics.xBearing + position.x + ( static_cast<float>( index ) + 0.5f ) * glyphAdvance;
+
+ if( visualX < glyphCenter )
+ {
+ matched = true;
+ break;
+ }
+ }
- if( visualX < glyphCenter )
+ if( matched )
{
- visualIndex += index;
- matched = true;
+ visualIndex = firstVisualCharacterIndex + index;
break;
}
- }
- if( matched )
- {
- break;
+ numberOfCharacters = 0u;
}
+
}
+
// Return the logical position of the cursor in characters.
if( !matched )
// If there is no font's family set, use the default font.
// Use the current alignment to place the cursor at the beginning, center or end of the box.
+ cursorInfo.lineOffset = 0.f;
cursorInfo.lineHeight = GetDefaultFontLineHeight();
cursorInfo.primaryCursorHeight = cursorInfo.lineHeight;
cursorInfo.isSecondaryCursor = ( !isLastPosition && ( isCurrentRightToLeft != isNextRightToLeft ) ) ||
( isLastPosition && ( isRightToLeftParagraph != isCurrentRightToLeft ) );
- // Set the line height.
+ // Set the line offset and height.
+ cursorInfo.lineOffset = 0.f;
cursorInfo.lineHeight = line.ascender + -line.descender;
// Calculate the primary cursor.
// Sets the grab handle position.
mEventData->mDecorator->SetPosition( GRAB_HANDLE,
cursorPosition.x,
- cursorPosition.y,
+ cursorInfo.lineOffset + offset.y,
cursorInfo.lineHeight );
if( cursorInfo.isSecondaryCursor )
}
// Set which cursors are active according the state.
- if( ( EventData::EDITING == mEventData->mState ) ||
- ( EventData::EDITING_WITH_POPUP == mEventData->mState ) ||
- ( EventData::EDITING_WITH_GRAB_HANDLE == mEventData->mState ) ||
- ( EventData::GRAB_HANDLE_PANNING == mEventData->mState ) )
+ if( EventData::IsEditingState( mEventData->mState ) || ( EventData::GRAB_HANDLE_PANNING == mEventData->mState ) )
{
if( cursorInfo.isSecondaryCursor )
{
return;
}
- const Vector2 cursorPosition = cursorInfo.primaryPosition + mEventData->mScrollPosition + mAlignmentOffset;
+ const Vector2 offset = mEventData->mScrollPosition + mAlignmentOffset;
+ const Vector2 cursorPosition = cursorInfo.primaryPosition + offset;
- // Sets the grab handle position.
+ // Sets the handle's position.
mEventData->mDecorator->SetPosition( handleType,
cursorPosition.x,
- cursorPosition.y,
+ cursorInfo.lineOffset + offset.y,
cursorInfo.lineHeight );
// If selection handle at start of the text and other at end of the text then all text is selected.