// CLASS HEADER
#include <dali-toolkit/internal/text/text-controller.h>
+// EXTERNAL INCLUDES
+#include <limits>
+#include <vector>
+#include <dali/public-api/adaptor-framework/key.h>
+#include <dali/public-api/text-abstraction/font-client.h>
+
// INTERNAL INCLUDES
+#include <dali-toolkit/internal/text/bidirectional-support.h>
#include <dali-toolkit/internal/text/character-set-conversion.h>
#include <dali-toolkit/internal/text/layouts/layout-engine.h>
#include <dali-toolkit/internal/text/layouts/layout-parameters.h>
#include <dali-toolkit/internal/text/text-view.h>
#include <dali-toolkit/internal/text/visual-model.h>
-// EXTERNAL INCLUDES
-#include <limits>
-#include <vector>
-#include <dali/public-api/adaptor-framework/key.h>
-#include <dali/public-api/text-abstraction/font-client.h>
-
using std::vector;
namespace
{
const float MAX_FLOAT = std::numeric_limits<float>::max();
+const std::string EMPTY_STRING;
} // namespace
namespace Dali
: mLogicalModel( logicalModel ),
mVisualModel( visualModel ),
mDecorator( decorator ),
- mState( INACTIVE )
+ mState( INACTIVE ),
+ mDecoratorUpdated( false ),
+ mCursorBlinkEnabled( true )
{
}
void OnKeyboardFocus( bool hasFocus )
{
+ if( !hasFocus )
+ {
+ ChangeState( INACTIVE );
+ }
+ else
+ {
+ ChangeState( EDITING );
+ }
}
void OnKeyEvent( const Event& event )
GetClosestCursorPosition( xPosition, yPosition, height );
mDecorator->SetPosition( PRIMARY_CURSOR, xPosition, yPosition, height );
+ mDecorator->HidePopup();
mDecoratorUpdated = true;
}
+ else if ( GRAB_HANDLE_RELEASED == state )
+ {
+ mDecorator->ShowPopup();
+ }
+
}
void ChangeState( State newState )
mDecorator->StopCursorBlink();
mDecorator->SetGrabHandleActive( false );
mDecorator->SetSelectionActive( false );
+ mDecorator->HidePopup();
mDecoratorUpdated = true;
}
else if ( SELECTING == mState )
else if( EDITING == mState )
{
mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
- mDecorator->StartCursorBlink();
+ if( mCursorBlinkEnabled )
+ {
+ mDecorator->StartCursorBlink();
+ }
mDecorator->SetGrabHandleActive( true );
mDecorator->SetSelectionActive( false );
mDecoratorUpdated = true;
State mState;
- bool mDecoratorUpdated;
+ bool mDecoratorUpdated : 1;
+ bool mCursorBlinkEnabled : 1;
};
struct Controller::FontDefaults
// The natural size needs to be re-calculated.
mImpl->mRecalculateNaturalSize = true;
+ // Reset buffers.
+ mImpl->mLogicalModel->SetText( NULL, 0u );
+ mImpl->mLogicalModel->SetScripts( NULL, 0u );
+ mImpl->mLogicalModel->SetFonts( NULL, 0u );
+ mImpl->mLogicalModel->SetLineBreakInfo( NULL, 0u );
+ mImpl->mLogicalModel->SetWordBreakInfo( NULL, 0u );
+ mImpl->mLogicalModel->SetBidirectionalInfo( NULL, 0u );
+ mImpl->mLogicalModel->SetVisualToLogicalMap( NULL, 0u );
+ mImpl->mVisualModel->SetGlyphs( NULL, NULL, NULL, 0u );
+ mImpl->mVisualModel->SetGlyphPositions( NULL, 0u );
+ mImpl->mVisualModel->SetLines( NULL, 0u );
+
if( mImpl->mTextInput )
{
// Cancel previously queued events
return mImpl->mFontDefaults->mDefaultFontFamily;
}
- return Dali::String::EMPTY;
+ return EMPTY_STRING;
}
void Controller::SetDefaultFontStyle( const std::string& defaultFontStyle )
return mImpl->mFontDefaults->mDefaultFontStyle;
}
- return Dali::String::EMPTY;
+ return EMPTY_STRING;
}
void Controller::SetDefaultPointSize( float pointSize )
return 0.0f;
}
+void Controller::GetDefaultFonts( Vector<FontRun>& fonts, Length numberOfCharacters )
+{
+ if( mImpl->mFontDefaults )
+ {
+ FontRun fontRun;
+ fontRun.characterRun.characterIndex = 0;
+ fontRun.characterRun.numberOfCharacters = numberOfCharacters;
+ fontRun.fontId = mImpl->mFontDefaults->GetFontId( mImpl->mFontClient );
+ fontRun.isDefault = true;
+
+ fonts.PushBack( fontRun );
+ }
+}
+
void Controller::EnableTextInput( DecoratorPtr decorator )
{
if( !mImpl->mTextInput )
}
}
+void Controller::SetEnableCursorBlink( bool enable )
+{
+ DALI_ASSERT_DEBUG( NULL != mImpl->mTextInput && "TextInput disabled" );
+
+ if( mImpl->mTextInput )
+ {
+ mImpl->mTextInput->mCursorBlinkEnabled = enable;
+
+ if( !enable &&
+ mImpl->mTextInput->mDecorator )
+ {
+ mImpl->mTextInput->mDecorator->StopCursorBlink();
+ }
+ }
+}
+
+bool Controller::GetEnableCursorBlink() const
+{
+ if( mImpl->mTextInput )
+ {
+ return mImpl->mTextInput->mCursorBlinkEnabled;
+ }
+
+ return false;
+}
+
bool Controller::Relayout( const Vector2& size )
{
if( ( size.width < Math::MACHINE_EPSILON_1000 ) || ( size.height < Math::MACHINE_EPSILON_1000 ) )
{
+ bool glyphsRemoved( false );
+ if( 0u != mImpl->mVisualModel->GetNumberOfGlyphPositions() )
+ {
+ mImpl->mVisualModel->SetGlyphPositions( NULL, 0u );
+ glyphsRemoved = true;
+ }
+
// Not worth to relayout if width or height is equal to zero.
- return false;
+ return glyphsRemoved;
}
if( size != mImpl->mControlSize )
text.clear();
}
+ const Length numberOfCharacters = mImpl->mLogicalModel->GetNumberOfCharacters();
+
Vector<LineBreakInfo> lineBreakInfo;
if( GET_LINE_BREAKS & operations )
{
const bool validateFonts = VALIDATE_FONTS & operations;
Vector<ScriptRun> scripts;
- Vector<FontRun> fonts;
-
- if( mImpl->mFontDefaults )
- {
- // TODO - pass into ValidateFonts
- }
+ Vector<FontRun> validFonts;
if( getScripts || validateFonts )
{
if( validateFonts )
{
+ // 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 );
+
// 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,
- fonts );
+ validFonts );
// Sets the fonts into the model.
- mImpl->mLogicalModel->SetFonts( fonts.Begin(), fonts.Count() );
+ mImpl->mLogicalModel->SetFonts( validFonts.Begin(), validFonts.Count() );
}
}
+ Vector<BidirectionalParagraphInfoRun> bidirectionalInfo;
+ if( BIDI_INFO & operations )
+ {
+ // Some vectors with data needed to get the paragraph's bidirectional info may be void
+ // after the first time the text has been laid out.
+ // Fill the vectors again.
+
+ if( 0u == utf32Characters.Count() )
+ {
+ utf32Characters.Resize( numberOfCharacters );
+
+ mImpl->mLogicalModel->GetText( utf32Characters.Begin(),
+ 0u,
+ numberOfCharacters );
+ }
+
+ if( 0u == lineBreakInfo.Count() )
+ {
+ lineBreakInfo.Resize( numberOfCharacters );
+
+ mImpl->mLogicalModel->GetLineBreakInfo( lineBreakInfo.Begin(),
+ 0u,
+ numberOfCharacters );
+ }
+
+ if( 0u == scripts.Count() )
+ {
+ scripts.Resize( mImpl->mLogicalModel->GetNumberOfScriptRuns( 0u,
+ numberOfCharacters ) );
+ mImpl->mLogicalModel->GetScriptRuns( scripts.Begin(),
+ 0u,
+ numberOfCharacters );
+ }
+
+ // Count the number of LINE_NO_BREAK to reserve some space for the vector of paragraph's
+ // bidirectional info.
+
+ Length numberOfParagraphs = 0u;
+
+ const TextAbstraction::LineBreakInfo* lineBreakInfoBuffer = lineBreakInfo.Begin();
+ for( Length index = 0u; index < characterCount; ++index )
+ {
+ if( TextAbstraction::LINE_NO_BREAK == *( lineBreakInfoBuffer + index ) )
+ {
+ ++numberOfParagraphs;
+ }
+ }
+
+ bidirectionalInfo.Reserve( numberOfParagraphs );
+
+ // Calculates the bidirectional info for the whole paragraph if it contains right to left scripts.
+ SetBidirectionalInfo( utf32Characters,
+ scripts,
+ lineBreakInfo,
+ bidirectionalInfo );
+
+ mImpl->mLogicalModel->SetBidirectionalInfo( bidirectionalInfo.Begin(),
+ bidirectionalInfo.Count() );
+ }
+
Vector<GlyphInfo> glyphs;
Vector<CharacterIndex> glyphsToCharactersMap;
Vector<Length> charactersPerGlyph;
if( SHAPE_TEXT & operations )
{
+ if( 0u == validFonts.Count() )
+ {
+ validFonts.Resize( mImpl->mLogicalModel->GetNumberOfFontRuns( 0u,
+ numberOfCharacters ) );
+ mImpl->mLogicalModel->GetFontRuns( validFonts.Begin(),
+ 0u,
+ numberOfCharacters );
+ }
+
// Shapes the text.
ShapeText( utf32Characters,
lineBreakInfo,
scripts,
- fonts,
+ validFonts,
glyphs,
glyphsToCharactersMap,
charactersPerGlyph );
if( LAYOUT & operations )
{
+ // Some vectors with data needed to layout and reorder may be void
+ // after the first time the text has been laid out.
+ // Fill the vectors again.
+
const Length numberOfCharacters = mImpl->mLogicalModel->GetNumberOfCharacters();
+ numberOfGlyphs = mImpl->mVisualModel->GetNumberOfGlyphs();
- if( 0u == numberOfGlyphs )
+ if( 0u == lineBreakInfo.Count() )
{
- numberOfGlyphs = mImpl->mVisualModel->GetNumberOfGlyphs();
-
lineBreakInfo.Resize( numberOfCharacters );
- wordBreakInfo.Resize( numberOfCharacters );
- glyphs.Resize( numberOfGlyphs );
- glyphsToCharactersMap.Resize( numberOfGlyphs );
- charactersPerGlyph.Resize( numberOfGlyphs );
-
mImpl->mLogicalModel->GetLineBreakInfo( lineBreakInfo.Begin(),
0u,
numberOfCharacters );
+ }
+ if( 0u == wordBreakInfo.Count() )
+ {
+ wordBreakInfo.Resize( numberOfCharacters );
mImpl->mLogicalModel->GetWordBreakInfo( wordBreakInfo.Begin(),
0u,
numberOfCharacters );
+ }
+ if( 0u == glyphs.Count() )
+ {
+ glyphs.Resize( numberOfGlyphs );
mImpl->mVisualModel->GetGlyphs( glyphs.Begin(),
0u,
numberOfGlyphs );
+ }
+ if( 0u == glyphsToCharactersMap.Count() )
+ {
+ glyphsToCharactersMap.Resize( numberOfGlyphs );
mImpl->mVisualModel->GetGlyphToCharacterMap( glyphsToCharactersMap.Begin(),
0u,
numberOfGlyphs );
+ }
+ if( 0u == charactersPerGlyph.Count() )
+ {
+ charactersPerGlyph.Resize( numberOfGlyphs );
mImpl->mVisualModel->GetCharactersPerGlyphMap( charactersPerGlyph.Begin(),
0u,
numberOfGlyphs );
if( viewUpdated )
{
+ // Reorder the lines
+ if( REORDER & operations )
+ {
+ const Length numberOfBidiParagraphs = mImpl->mLogicalModel->GetNumberOfBidirectionalInfoRuns( 0u, numberOfCharacters );
+
+ if( 0u == bidirectionalInfo.Count() )
+ {
+ bidirectionalInfo.Resize( numberOfBidiParagraphs );
+ mImpl->mLogicalModel->GetBidirectionalInfo( bidirectionalInfo.Begin(),
+ 0u,
+ numberOfCharacters );
+ }
+
+ // Check first if there are paragraphs with bidirectional info.
+ if( 0u != bidirectionalInfo.Count() )
+ {
+ // Get the lines
+ const Length numberOfLines = mImpl->mVisualModel->GetNumberOfLines();
+
+ // Reorder the lines.
+ Vector<BidirectionalLineInfoRun> lineBidirectionalInfoRuns;
+ lineBidirectionalInfoRuns.Reserve( numberOfLines ); // Reserve because is not known yet how many lines have right to left characters.
+ ReorderLines( bidirectionalInfo,
+ lines,
+ lineBidirectionalInfoRuns );
+
+ // Set the bidirectional info into the model.
+ const Length numberOfBidirectionalInfoRuns = lineBidirectionalInfoRuns.Count();
+ mImpl->mLogicalModel->SetVisualToLogicalMap( lineBidirectionalInfoRuns.Begin(),
+ numberOfBidirectionalInfoRuns );
+
+ // Set the bidirectional info per line into the layout parameters.
+ layoutParameters.lineBidirectionalInfoRunsBuffer = lineBidirectionalInfoRuns.Begin();
+ layoutParameters.numberOfBidirectionalInfoRuns = numberOfBidirectionalInfoRuns;
+
+ // Get the character to glyph conversion table and set into the layout.
+ Vector<GlyphIndex> characterToGlyphMap;
+ characterToGlyphMap.Resize( numberOfCharacters );
+
+ layoutParameters.charactersToGlyphsBuffer = characterToGlyphMap.Begin();
+ mImpl->mVisualModel->GetCharacterToGlyphMap( layoutParameters.charactersToGlyphsBuffer,
+ 0u,
+ numberOfCharacters );
+
+ // Get the glyphs per character table and set into the layout.
+ Vector<Length> glyphsPerCharacter;
+ glyphsPerCharacter.Resize( numberOfCharacters );
+
+ layoutParameters.glyphsPerCharacterBuffer = glyphsPerCharacter.Begin();
+ mImpl->mVisualModel->GetGlyphsPerCharacterMap( layoutParameters.glyphsPerCharacterBuffer,
+ 0u,
+ numberOfCharacters );
+
+ // Re-layout the text. Reorder those lines with right to left characters.
+ mImpl->mLayoutEngine.ReLayoutRightToLeftLines( layoutParameters,
+ glyphPositions );
+
+ // Free the allocated memory used to store the conversion table in the bidirectional line info run.
+ for( Vector<BidirectionalLineInfoRun>::Iterator it = lineBidirectionalInfoRuns.Begin(),
+ endIt = lineBidirectionalInfoRuns.End();
+ it != endIt;
+ ++it )
+ {
+ BidirectionalLineInfoRun& bidiLineInfo = *it;
+
+ free( bidiLineInfo.visualToLogicalMap );
+ }
+ }
+ }
+
// Sets the positions into the model.
if( UPDATE_POSITIONS & operations )
{
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