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.
void Controller::Impl::RetrieveDefaultInputStyle( InputStyle& inputStyle )
{
- // Set the default text's color.
+ // Sets the default text's color.
inputStyle.textColor = mTextColor;
-}
-void Controller::Impl::GetDefaultFonts( Vector<FontRun>& fonts, Length numberOfCharacters )
-{
+ // Sets the default font's family name, weight, width, slant and size.
if( mFontDefaults )
{
- DALI_LOG_INFO( gLogFilter, Debug::General, "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;
}
}
if( Gesture::Started == state ||
Gesture::Continuing == state )
{
- const Vector2& actualSize = mVisualModel->GetActualSize();
+ const Vector2& actualSize = mVisualModel->GetLayoutSize();
const Vector2 currentScroll = mEventData->mScrollPosition;
if( mEventData->mHorizontalScrollingEnabled )
else if( HANDLE_SCROLLING == state )
{
const float xSpeed = event.p2.mFloat;
- const Vector2& actualSize = mVisualModel->GetActualSize();
+ const Vector2& actualSize = mVisualModel->GetLayoutSize();
const Vector2 currentScrollPosition = mEventData->mScrollPosition;
mEventData->mScrollPosition.x += xSpeed;
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;
// 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.
cursorInfo.secondaryPosition.x = -glyphMetrics.xBearing + secondaryPosition.x + ( isCurrentRightToLeft ? 0.f : glyphMetrics.advance );
cursorInfo.secondaryPosition.y = cursorInfo.lineHeight - cursorInfo.secondaryCursorHeight - line.descender - ( glyphMetrics.fontHeight - glyphMetrics.ascender );
}
+
+ if( LayoutEngine::MULTI_LINE_BOX == mLayoutEngine.GetLayout() )
+ {
+ // If the text is editable and multi-line, the cursor position after a white space shouldn't exceed the boundaries of the text control.
+
+ // Note the white spaces laid-out at the end of the line might exceed the boundaries of the control.
+ // The reason is a wrapped line must not start with a white space so they are laid-out at the end of the line.
+
+ if( 0.f > cursorInfo.primaryPosition.x )
+ {
+ cursorInfo.primaryPosition.x = 0.f;
+ }
+
+ const float edgeWidth = mVisualModel->mControlSize.width - static_cast<float>( mEventData->mDecorator->GetCursorWidth() );
+ if( cursorInfo.primaryPosition.x > edgeWidth )
+ {
+ cursorInfo.primaryPosition.x = edgeWidth;
+ }
+ }
}
CharacterIndex Controller::Impl::CalculateNewCursorIndex( CharacterIndex index ) const
// Sets the grab handle position.
mEventData->mDecorator->SetPosition( GRAB_HANDLE,
cursorPosition.x,
- cursorPosition.y,
+ cursorInfo.lineOffset + offset.y,
cursorInfo.lineHeight );
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 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.
const float positionEnd = position.x + ( mEventData->mDecorator ? mEventData->mDecorator->GetCursorWidth() : 0.f );
// Transform the position to decorator coords.
- const float offset = mEventData->mScrollPosition.x + mAlignmentOffset.x;
+ const float alignment = IsShowingRealText() ? mAlignmentOffset.x : 0.f;
+ const float offset = mEventData->mScrollPosition.x + alignment;
const float decoratorPositionBegin = position.x + offset;
const float decoratorPositionEnd = positionEnd + offset;
if( decoratorPositionBegin < 0.f )
{
- mEventData->mScrollPosition.x = -position.x - mAlignmentOffset.x;
+ mEventData->mScrollPosition.x = -position.x - alignment;
}
else if( decoratorPositionEnd > mVisualModel->mControlSize.width )
{
- mEventData->mScrollPosition.x = mVisualModel->mControlSize.width - positionEnd - mAlignmentOffset.x;
+ mEventData->mScrollPosition.x = mVisualModel->mControlSize.width - positionEnd - alignment;
}
}
// Calculate the offset to match the cursor position before the character was deleted.
mEventData->mScrollPosition.x = currentCursorPosition.x - cursorInfo.primaryPosition.x - mAlignmentOffset.x;
- ClampHorizontalScroll( mVisualModel->GetActualSize() );
+ ClampHorizontalScroll( mVisualModel->GetLayoutSize() );
}
void Controller::Impl::RequestRelayout()