// 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/logical-model.h>
#include <dali-toolkit/internal/text/multi-language-support.h>
#include <dali-toolkit/internal/text/script-run.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/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
{
{
KEYBOARD_FOCUS_GAIN_EVENT,
KEYBOARD_FOCUS_LOST_EVENT,
+ KEY_EVENT,
TAP_EVENT,
GRAB_HANDLE_EVENT
};
int mInt;
unsigned int mUint;
float mFloat;
+ char* mString;
};
struct Event
: mLogicalModel( logicalModel ),
mVisualModel( visualModel ),
mDecorator( decorator ),
- mState( INACTIVE )
+ mState( INACTIVE ),
+ mDecoratorUpdated( false ),
+ mCursorBlinkEnabled( true )
{
}
/**
* @brief Helper to move the cursor, grab handle etc.
*/
- bool ProcessTouchEvents()
+ bool ProcessInputEvents()
{
mDecoratorUpdated = false;
OnKeyboardFocus( false );
break;
}
+ case KEY_EVENT:
+ {
+ OnKeyEvent( *iter );
+ break;
+ }
case TAP_EVENT:
{
OnTapEvent( *iter );
void OnKeyboardFocus( bool hasFocus )
{
+ if( !hasFocus )
+ {
+ ChangeState( INACTIVE );
+ }
+ else
+ {
+ ChangeState( EDITING );
+ }
+ }
+
+ void OnKeyEvent( const Event& event )
+ {
+ int keyCode = event.p1.mInt;
+
+ // Handle state changes
+ if( Dali::DALI_KEY_ESCAPE == keyCode )
+ {
+ ChangeState( INACTIVE ); // Escape key ends edit mode
+ }
+ else if ( event.p2.mString )
+ {
+ // Some text may be selected, hiding keyboard causes an empty keystring to be sent, we don't want to delete highlight in this case
+ ChangeState( EDITING );
+ }
+
+ // Handle the actual key event
+ if( Dali::DALI_KEY_BACKSPACE == keyCode )
+ {
+ HandleBackspaceKey();
+ }
+ else if( Dali::DALI_KEY_CURSOR_LEFT == keyCode ||
+ Dali::DALI_KEY_CURSOR_RIGHT == keyCode ||
+ Dali::DALI_KEY_CURSOR_UP == keyCode ||
+ Dali::DALI_KEY_CURSOR_DOWN == keyCode )
+ {
+ HandleCursorKey( keyCode );
+ }
+ else if ( event.p2.mString )
+ {
+ HandleKeyString( event.p2.mString );
+
+ delete [] event.p2.mString;
+ }
+ }
+
+ void HandleBackspaceKey()
+ {
+ // TODO
+ }
+
+ void HandleCursorKey( int keyCode )
+ {
+ // TODO
+ }
+
+ void HandleKeyString( const char* keyString )
+ {
// TODO
}
void OnTapEvent( const Event& event )
{
- if( 1u == event.p1.mUint )
+ unsigned int tapCount = event.p1.mUint;
+
+ if( 1u == tapCount )
{
- mState = TextInput::EDITING;
- mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
- mDecorator->StartCursorBlink();
- mDecorator->SetGrabHandleActive( true );
+ ChangeState( EDITING );
float xPosition = event.p2.mFloat;
float yPosition = event.p3.mFloat;
mDecoratorUpdated = true;
}
- else if( 2u == event.p1.mUint )
+ else if( 2u == tapCount )
{
- mState = TextInput::SELECTING;
- mDecorator->SetGrabHandleActive( false );
- mDecorator->SetSelectionActive( true );
- mDecoratorUpdated = true;
+ ChangeState( SELECTING );
}
}
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 )
+ {
+ if( mState != newState )
+ {
+ mState = newState;
+
+ if( INACTIVE == mState )
+ {
+ mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
+ mDecorator->StopCursorBlink();
+ mDecorator->SetGrabHandleActive( false );
+ mDecorator->SetSelectionActive( false );
+ mDecorator->HidePopup();
+ mDecoratorUpdated = true;
+ }
+ else if ( SELECTING == mState )
+ {
+ mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
+ mDecorator->StopCursorBlink();
+ mDecorator->SetGrabHandleActive( false );
+ mDecorator->SetSelectionActive( true );
+ mDecoratorUpdated = true;
+ }
+ else if( EDITING == mState )
+ {
+ mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ if( mCursorBlinkEnabled )
+ {
+ mDecorator->StartCursorBlink();
+ }
+ mDecorator->SetGrabHandleActive( true );
+ mDecorator->SetSelectionActive( false );
+ mDecoratorUpdated = true;
+ }
+ }
}
void GetClosestCursorPosition( float& x, float& y, float& height )
Vector<GlyphInfo> glyphs;
glyphs.Resize( numberOfGlyphs );
- mVisualModel->GetGlyphs( &glyphs[0], 0, numberOfGlyphs );
+ mVisualModel->GetGlyphs( glyphs.Begin(), 0, numberOfGlyphs );
+ const GlyphInfo* const glyphsBuffer = glyphs.Begin();
- std::vector<Vector2> positions;
- positions.resize( numberOfGlyphs );
- mVisualModel->GetGlyphPositions( &positions[0], 0, numberOfGlyphs );
+ Vector<Vector2> positions;
+ positions.Resize( numberOfGlyphs );
+ mVisualModel->GetGlyphPositions( positions.Begin(), 0, numberOfGlyphs );
+ const Vector2* const positionsBuffer = positions.Begin();
unsigned int closestGlyph = 0;
- float closestDistance = std::numeric_limits<float>::max();
+ float closestDistance = MAX_FLOAT;
- for( unsigned int i=0; i<glyphs.Count(); ++i )
+ for( unsigned int i = 0, numberOfGLyphs = glyphs.Count(); i < numberOfGLyphs; ++i )
{
- float glyphX = positions[i].x + glyphs[i].width*0.5f;
- float glyphY = positions[i].y + glyphs[i].height*0.5f;
+ const GlyphInfo& glyphInfo = *( glyphsBuffer + i );
+ const Vector2& position = *( positionsBuffer + i );
+ float glyphX = position.x + glyphInfo.width*0.5f;
+ float glyphY = position.y + glyphInfo.height*0.5f;
float distanceToGlyph = fabsf( glyphX - x ) + fabsf( glyphY - y );
VisualModelPtr mVisualModel;
DecoratorPtr mDecorator;
- State mState;
+ std::string mPlaceholderText;
/**
* This is used to delay handling events until after the model has been updated.
*/
vector<Event> mEventQueue; ///< The queue of touch events etc.
- bool mDecoratorUpdated;
+ State mState;
+
+ bool mDecoratorUpdated : 1;
+ bool mCursorBlinkEnabled : 1;
+};
+
+struct Controller::FontDefaults
+{
+ FontDefaults()
+ : mDefaultPointSize(0.0f),
+ mFontId(0u)
+ {
+ }
+
+ FontId GetFontId( TextAbstraction::FontClient& fontClient )
+ {
+ if( !mFontId )
+ {
+ Dali::TextAbstraction::PointSize26Dot6 pointSize = mDefaultPointSize*64;
+ mFontId = fontClient.GetFontId( mDefaultFontFamily, mDefaultFontStyle, pointSize );
+ }
+
+ return mFontId;
+ }
+
+ std::string mDefaultFontFamily;
+ std::string mDefaultFontStyle;
+ float mDefaultPointSize;
+ FontId mFontId;
};
struct Controller::Impl
{
Impl( ControlInterface& controlInterface )
: mControlInterface( controlInterface ),
+ mLogicalModel(),
+ mVisualModel(),
+ mFontDefaults( NULL ),
+ mTextInput( NULL ),
+ mFontClient(),
+ mView(),
+ mLayoutEngine(),
mNewText(),
- mOperations( NO_OPERATION ),
mControlSize(),
- mTextInput( NULL )
+ mOperationsPending( NO_OPERATION ),
+ mRecalculateNaturalSize( true )
{
mLogicalModel = LogicalModel::New();
mVisualModel = VisualModel::New();
- mView.SetVisualModel( mVisualModel );
-
mFontClient = TextAbstraction::FontClient::Get();
+
+ mView.SetVisualModel( mVisualModel );
}
~Impl()
delete mTextInput;
}
- ControlInterface& mControlInterface;
-
- std::string mNewText;
-
- LogicalModelPtr mLogicalModel;
- VisualModelPtr mVisualModel;
-
- View mView;
-
- LayoutEngine mLayoutEngine;
-
- TextAbstraction::FontClient mFontClient;
-
- OperationsMask mOperations;
-
- Size mControlSize;
-
- // Avoid allocating everything for text input until EnableTextInput()
- Controller::TextInput* mTextInput;
+ ControlInterface& mControlInterface; ///< Reference to the text controller.
+ LogicalModelPtr mLogicalModel; ///< Pointer to the logical model.
+ VisualModelPtr mVisualModel; ///< Pointer to the visual model.
+ FontDefaults* mFontDefaults; ///< Avoid allocating this when the user does not specify a font.
+ Controller::TextInput* mTextInput; ///< Avoid allocating everything for text input until EnableTextInput().
+ TextAbstraction::FontClient mFontClient; ///< Handle to the font client.
+ View mView; ///< The view interface to the rendering back-end.
+ LayoutEngine mLayoutEngine; ///< The layout engine.
+ std::string mNewText; ///< Temporary stores the text set until the next relayout.
+ Size mControlSize; ///< The size of the control.
+ OperationsMask mOperationsPending; ///< Operations pending to be done to layout the text.
+ bool mRecalculateNaturalSize:1; ///< Whether the natural size needs to be recalculated.
};
ControllerPtr Controller::New( ControlInterface& controlInterface )
{
// Keep until size negotiation
mImpl->mNewText = text;
- mImpl->mOperations = ALL_OPERATIONS;
+
+ // All operations need to be done. (convert to utf32, get break info, ..., layout, ...)
+ mImpl->mOperationsPending = ALL_OPERATIONS;
+
+ // 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 )
{
}
}
-void Controller::GetText( std::string& text )
+void Controller::GetText( std::string& text ) const
{
if( !mImpl->mNewText.empty() )
{
}
}
+void Controller::SetPlaceholderText( const std::string& text )
+{
+ if( !mImpl->mTextInput )
+ {
+ mImpl->mTextInput->mPlaceholderText = text;
+ }
+}
+
+void Controller::GetPlaceholderText( std::string& text ) const
+{
+ if( !mImpl->mTextInput )
+ {
+ text = mImpl->mTextInput->mPlaceholderText;
+ }
+}
+
+void Controller::SetDefaultFontFamily( const std::string& defaultFontFamily )
+{
+ if( !mImpl->mFontDefaults )
+ {
+ mImpl->mFontDefaults = new Controller::FontDefaults();
+ }
+
+ mImpl->mFontDefaults->mDefaultFontFamily = defaultFontFamily;
+ mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
+ mImpl->mOperationsPending = ALL_OPERATIONS;
+ mImpl->mRecalculateNaturalSize = true;
+}
+
+const std::string& Controller::GetDefaultFontFamily() const
+{
+ if( mImpl->mFontDefaults )
+ {
+ return mImpl->mFontDefaults->mDefaultFontFamily;
+ }
+
+ return EMPTY_STRING;
+}
+
+void Controller::SetDefaultFontStyle( const std::string& defaultFontStyle )
+{
+ if( !mImpl->mFontDefaults )
+ {
+ mImpl->mFontDefaults = new Controller::FontDefaults();
+ }
+
+ mImpl->mFontDefaults->mDefaultFontStyle = defaultFontStyle;
+ mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
+ mImpl->mOperationsPending = ALL_OPERATIONS;
+ mImpl->mRecalculateNaturalSize = true;
+}
+
+const std::string& Controller::GetDefaultFontStyle() const
+{
+ if( mImpl->mFontDefaults )
+ {
+ return mImpl->mFontDefaults->mDefaultFontStyle;
+ }
+
+ return EMPTY_STRING;
+}
+
+void Controller::SetDefaultPointSize( float pointSize )
+{
+ if( !mImpl->mFontDefaults )
+ {
+ mImpl->mFontDefaults = new Controller::FontDefaults();
+ }
+
+ mImpl->mFontDefaults->mDefaultPointSize = pointSize;
+ mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
+ mImpl->mOperationsPending = ALL_OPERATIONS;
+ mImpl->mRecalculateNaturalSize = true;
+}
+
+float Controller::GetDefaultPointSize() const
+{
+ if( mImpl->mFontDefaults )
+ {
+ return mImpl->mFontDefaults->mDefaultPointSize;
+ }
+
+ 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;
}
- bool updated = false;
-
if( size != mImpl->mControlSize )
{
- updated = DoRelayout( size, mImpl->mOperations );
-
- // Do not re-do any operation until something changes.
- mImpl->mOperations = NO_OPERATION;
+ // Operations that need to be done if the size changes.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
+ LAYOUT |
+ UPDATE_ACTUAL_SIZE |
+ UPDATE_POSITIONS |
+ UPDATE_LINES |
+ REORDER );
mImpl->mControlSize = size;
}
+ Size layoutSize;
+ bool updated = DoRelayout( mImpl->mControlSize,
+ mImpl->mOperationsPending,
+ layoutSize );
+
+ // Do not re-do any operation until something changes.
+ mImpl->mOperationsPending = NO_OPERATION;
+
if( mImpl->mTextInput )
{
// Move the cursor, grab handle etc.
- updated = mImpl->mTextInput->ProcessTouchEvents() || updated;
+ updated = mImpl->mTextInput->ProcessInputEvents() || updated;
}
return updated;
}
-bool Controller::DoRelayout( const Vector2& size, OperationsMask operations )
+bool Controller::DoRelayout( const Vector2& size,
+ OperationsMask operationsRequired,
+ Size& layoutSize )
{
bool viewUpdated( false );
+ // Calculate the operations to be done.
+ const OperationsMask operations = static_cast<OperationsMask>( mImpl->mOperationsPending & operationsRequired );
+
Vector<Character> utf32Characters;
Length characterCount = 0u;
if( CONVERT_TO_UTF32 & operations )
text.clear();
}
+ const Length numberOfCharacters = mImpl->mLogicalModel->GetNumberOfCharacters();
+
Vector<LineBreakInfo> lineBreakInfo;
if( GET_LINE_BREAKS & operations )
{
mImpl->mLogicalModel->SetLineBreakInfo( lineBreakInfo.Begin(), characterCount );
}
+ Vector<WordBreakInfo> wordBreakInfo;
+ if( GET_WORD_BREAKS & operations )
+ {
+ // Retrieves the word break info. The word break info is used to layout the text (where to wrap the text in lines).
+ wordBreakInfo.Resize( characterCount, TextAbstraction::WORD_NO_BREAK );
+
+ SetWordBreakInfo( utf32Characters,
+ wordBreakInfo );
+
+ mImpl->mLogicalModel->SetWordBreakInfo( wordBreakInfo.Begin(), characterCount );
+ }
+
const bool getScripts = GET_SCRIPTS & operations;
const bool validateFonts = VALIDATE_FONTS & operations;
Vector<ScriptRun> scripts;
- Vector<FontRun> fonts;
+ Vector<FontRun> validFonts;
+
if( getScripts || validateFonts )
{
// Validates the fonts assigned by the application or assigns default ones.
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<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 );
mImpl->mFontClient.GetGlyphMetrics( glyphs.Begin(), glyphs.Count() );
}
+ Length numberOfGlyphs = glyphs.Count();
+ if( 0u != numberOfGlyphs )
+ {
+ // Sets the glyphs into the model.
+ mImpl->mVisualModel->SetGlyphs( glyphs.Begin(),
+ glyphsToCharactersMap.Begin(),
+ charactersPerGlyph.Begin(),
+ numberOfGlyphs );
+ }
+
if( LAYOUT & operations )
{
- if( 0u == glyphs.Count() )
+ // 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 == lineBreakInfo.Count() )
{
- const Length numberOfGlyphs = mImpl->mVisualModel->GetNumberOfGlyphs();
+ lineBreakInfo.Resize( numberOfCharacters );
+ mImpl->mLogicalModel->GetLineBreakInfo( lineBreakInfo.Begin(),
+ 0u,
+ numberOfCharacters );
+ }
- glyphs.Resize( numberOfGlyphs );
- glyphsToCharactersMap.Resize( numberOfGlyphs );
- charactersPerGlyph.Resize( numberOfGlyphs );
+ 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 );
}
- // Update the visual model
- mImpl->mLayoutEngine.UpdateVisualModel( size,
- glyphs,
- glyphsToCharactersMap,
- charactersPerGlyph,
- *mImpl->mVisualModel );
+ // Set the layout parameters.
+ LayoutParameters layoutParameters( size,
+ lineBreakInfo.Begin(),
+ wordBreakInfo.Begin(),
+ numberOfGlyphs,
+ glyphs.Begin(),
+ glyphsToCharactersMap.Begin(),
+ charactersPerGlyph.Begin() );
+
+ // Reserve space to set the positions of the glyphs.
+ Vector<Vector2> glyphPositions;
+ glyphPositions.Resize( numberOfGlyphs );
+
+ // The laid-out lines.
+ // It's not possible to know in how many lines the text is going to be laid-out,
+ // but it can be resized at least with the number of 'paragraphs' to avoid
+ // some re-allocations.
+ Vector<LineRun> lines;
+ lines.Reserve( mImpl->mLogicalModel->GetNumberOfBidirectionalInfoRuns( 0u, numberOfCharacters ) );
+
+ // Update the visual model.
+ viewUpdated = mImpl->mLayoutEngine.LayoutText( layoutParameters,
+ glyphPositions,
+ lines,
+ layoutSize );
+
+ 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 );
+ }
+ }
+ }
- viewUpdated = true;
+ // Sets the positions into the model.
+ if( UPDATE_POSITIONS & operations )
+ {
+ mImpl->mVisualModel->SetGlyphPositions( glyphPositions.Begin(),
+ numberOfGlyphs );
+ }
+
+ // Sets the lines into the model.
+ if( UPDATE_LINES & operations )
+ {
+ mImpl->mVisualModel->SetLines( lines.Begin(),
+ lines.Count() );
+ }
+
+ // Sets the actual size.
+ if( UPDATE_ACTUAL_SIZE & operations )
+ {
+ mImpl->mVisualModel->SetActualSize( layoutSize );
+ }
+ }
+ }
+ else
+ {
+ layoutSize = mImpl->mVisualModel->GetActualSize();
}
return viewUpdated;
Vector3 Controller::GetNaturalSize()
{
- // TODO - Finish implementing
- return Vector3::ZERO;
-
- // Operations that can be done only once until the text changes.
- const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
- GET_SCRIPTS |
- VALIDATE_FONTS |
- GET_LINE_BREAKS |
- GET_WORD_BREAKS |
- SHAPE_TEXT |
- GET_GLYPH_METRICS );
-
- // Operations that need to be done if the size or the text changes.
- const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
- REORDER );
+ Vector3 naturalSize;
- const float maxFloat = std::numeric_limits<float>::max();
- DoRelayout( Vector2( maxFloat, maxFloat ),
- static_cast<OperationsMask>( onlyOnceOperations |
- sizeOperations ) );
-
- // Do not do again the only once operations.
- mImpl->mOperations = static_cast<OperationsMask>( mImpl->mOperations & ~onlyOnceOperations );
-
- // Do the size related operations again.
- mImpl->mOperations = static_cast<OperationsMask>( mImpl->mOperations | sizeOperations );
+ if( mImpl->mRecalculateNaturalSize )
+ {
+ // Operations that can be done only once until the text changes.
+ const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
+ GET_SCRIPTS |
+ VALIDATE_FONTS |
+ GET_LINE_BREAKS |
+ GET_WORD_BREAKS |
+ SHAPE_TEXT |
+ GET_GLYPH_METRICS );
+
+ // Operations that need to be done if the size changes.
+ const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
+ REORDER );
+
+ DoRelayout( Size( MAX_FLOAT, MAX_FLOAT ),
+ static_cast<OperationsMask>( onlyOnceOperations |
+ sizeOperations ),
+ naturalSize.GetVectorXY() );
+
+ // Do not do again the only once operations.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
+
+ // Do the size related operations again.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
+
+ // Stores the natural size to avoid recalculate it again
+ // unless the text/style changes.
+ mImpl->mVisualModel->SetNaturalSize( naturalSize.GetVectorXY() );
+
+ mImpl->mRecalculateNaturalSize = false;
+ }
+ else
+ {
+ naturalSize = mImpl->mVisualModel->GetNaturalSize();
+ }
- return Vector3( mImpl->mVisualModel->GetNaturalSize() );
+ return naturalSize;
}
float Controller::GetHeightForWidth( float width )
{
- // Operations that can be done only once until the text changes.
- const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
- GET_SCRIPTS |
- VALIDATE_FONTS |
- GET_LINE_BREAKS |
- GET_WORD_BREAKS |
- SHAPE_TEXT |
- GET_GLYPH_METRICS );
-
- // Operations that need to be done if the size or the text changes.
- const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
- REORDER );
-
- DoRelayout( Size( width, 0.f ),
- static_cast<OperationsMask>( onlyOnceOperations |
- sizeOperations ) );
-
- // Do not do again the only once operations.
- mImpl->mOperations = static_cast<OperationsMask>( mImpl->mOperations & ~onlyOnceOperations );
-
- // Do the size related operations again.
- mImpl->mOperations = static_cast<OperationsMask>( mImpl->mOperations | sizeOperations );
+ Size layoutSize;
+ if( width != mImpl->mControlSize.width )
+ {
+ // Operations that can be done only once until the text changes.
+ const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
+ GET_SCRIPTS |
+ VALIDATE_FONTS |
+ GET_LINE_BREAKS |
+ GET_WORD_BREAKS |
+ SHAPE_TEXT |
+ GET_GLYPH_METRICS );
+
+ // Operations that need to be done if the size changes.
+ const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
+ REORDER );
+
+ DoRelayout( Size( width, MAX_FLOAT ),
+ static_cast<OperationsMask>( onlyOnceOperations |
+ sizeOperations ),
+ layoutSize );
+
+ // Do not do again the only once operations.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
+
+ // Do the size related operations again.
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
+ }
+ else
+ {
+ layoutSize = mImpl->mVisualModel->GetActualSize();
+ }
- return mImpl->mVisualModel->GetActualSize().height;
+ return layoutSize.height;
}
View& Controller::GetView()
}
}
+bool Controller::KeyEvent( const Dali::KeyEvent& keyEvent )
+{
+ DALI_ASSERT_DEBUG( mImpl->mTextInput && "Unexpected KeyEvent" );
+
+ if( mImpl->mTextInput )
+ {
+ TextInput::Event event( TextInput::KEY_EVENT );
+ event.p1.mInt = keyEvent.keyCode;
+ event.p2.mString = NULL;
+
+ const std::string& keyString = keyEvent.keyPressed;
+ if ( !keyString.empty() )
+ {
+ event.p2.mString = new char[keyString.size() + 1];
+ std::copy(keyString.begin(), keyString.end(), event.p2.mString);
+ event.p2.mString[keyString.size()] = '\0';
+ }
+
+ mImpl->mTextInput->mEventQueue.push_back( event );
+
+ RequestRelayout();
+ }
+
+ return false;
+}
+
void Controller::TapEvent( unsigned int tapCount, float x, float y )
{
DALI_ASSERT_DEBUG( mImpl->mTextInput && "Unexpected TapEvent" );
projects / platform / core / uifw / dali-toolkit.git / blobdiff