// EXTERNAL INCLUDES
#include <limits>
-#include <vector>
+#include <iostream>
#include <dali/public-api/adaptor-framework/key.h>
-#include <dali/public-api/text-abstraction/font-client.h>
+#include <dali/integration-api/debug.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-impl.h>
#include <dali-toolkit/internal/text/multi-language-support.h>
#include <dali-toolkit/internal/text/script-run.h>
#include <dali-toolkit/internal/text/segmentation.h>
#include <dali-toolkit/internal/text/shaper.h>
+#include <dali-toolkit/internal/text/text-controller-impl.h>
#include <dali-toolkit/internal/text/text-io.h>
#include <dali-toolkit/internal/text/text-view.h>
-#include <dali-toolkit/internal/text/visual-model-impl.h>
-
-using std::vector;
namespace
{
-const float MAX_FLOAT = std::numeric_limits<float>::max();
-const std::string EMPTY_STRING;
+#if defined(DEBUG_ENABLED)
+ Debug::Filter* gLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_CONTROLS");
+#endif
-enum ModifyType
-{
- REPLACE_TEXT, ///< Replace the entire text
- INSERT_TEXT, ///< Insert characters at the current cursor position
- DELETE_TEXT ///< Delete a character at the current cursor position
-};
+const float MAX_FLOAT = std::numeric_limits<float>::max();
-struct ModifyEvent
-{
- ModifyType type;
- std::string text;
-};
+const std::string EMPTY_STRING("");
} // namespace
namespace Text
{
-struct Controller::TextInput
+ControllerPtr Controller::New( ControlInterface& controlInterface )
{
- // Used to queue input events until DoRelayout()
- enum EventType
- {
- KEYBOARD_FOCUS_GAIN_EVENT,
- KEYBOARD_FOCUS_LOST_EVENT,
- CURSOR_KEY_EVENT,
- TAP_EVENT,
- PAN_EVENT,
- GRAB_HANDLE_EVENT
- };
-
- union Param
- {
- int mInt;
- unsigned int mUint;
- float mFloat;
- };
+ return ControllerPtr( new Controller( controlInterface ) );
+}
- struct Event
+void Controller::EnableTextInput( DecoratorPtr decorator )
+{
+ if( !mImpl->mEventData )
{
- Event( EventType eventType )
- : type( eventType )
- {
- p1.mInt = 0;
- p2.mInt = 0;
- }
+ mImpl->mEventData = new EventData( decorator );
+ }
+}
- EventType type;
- Param p1;
- Param p2;
- Param p3;
- };
+void Controller::SetText( const std::string& text )
+{
+ // Remove the previously set text
+ ResetText();
- enum State
- {
- INACTIVE,
- SELECTING,
- EDITING
- };
-
- TextInput( LogicalModelPtr logicalModel,
- VisualModelPtr visualModel,
- DecoratorPtr decorator )
- : mLogicalModel( logicalModel ),
- mVisualModel( visualModel ),
- mDecorator( decorator ),
- mState( INACTIVE ),
- mPrimaryCursorPosition( 0u ),
- mSecondaryCursorPosition( 0u ),
- mDecoratorUpdated( false ),
- mCursorBlinkEnabled( true ),
- mGrabHandleEnabled( false ),
- mGrabHandlePopupEnabled( false ),
- mSelectionEnabled( false ),
- mHorizontalScrollingEnabled( true ),
- mVerticalScrollingEnabled( false ),
- mUpdateCursorPosition( false )
- {
- }
+ CharacterIndex lastCursorIndex = 0u;
- /**
- * @brief Helper to move the cursor, grab handle etc.
- */
- bool ProcessInputEvents( const Vector2& controlSize )
+ if( !text.empty() )
{
- mDecoratorUpdated = false;
+ // Convert text into UTF-32
+ Vector<Character>& utf32Characters = mImpl->mLogicalModel->mText;
+ utf32Characters.Resize( text.size() );
- if( mDecorator )
- {
- for( vector<TextInput::Event>::iterator iter = mEventQueue.begin(); iter != mEventQueue.end(); ++iter )
- {
- switch( iter->type )
- {
- case KEYBOARD_FOCUS_GAIN_EVENT:
- {
- OnKeyboardFocus( true );
- break;
- }
- case KEYBOARD_FOCUS_LOST_EVENT:
- {
- OnKeyboardFocus( false );
- break;
- }
- case CURSOR_KEY_EVENT:
- {
- OnCursorKeyEvent( *iter );
- break;
- }
- case TAP_EVENT:
- {
- OnTapEvent( *iter );
- break;
- }
- case PAN_EVENT:
- {
- OnPanEvent( *iter, controlSize );
- break;
- }
- case GRAB_HANDLE_EVENT:
- {
- OnGrabHandleEvent( *iter );
- break;
- }
- }
- }
- }
+ // This is a bit horrible but std::string returns a (signed) char*
+ const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
- // The cursor must also be repositioned after inserts into the model
- if( mUpdateCursorPosition )
- {
- UpdateCursorPosition();
- mUpdateCursorPosition = false;
- }
+ // Transform a text array encoded in utf8 into an array encoded in utf32.
+ // It returns the actual number of characters.
+ Length characterCount = Utf8ToUtf32( utf8, text.size(), utf32Characters.Begin() );
+ utf32Characters.Resize( characterCount );
- mEventQueue.clear();
+ DALI_ASSERT_DEBUG( text.size() >= characterCount && "Invalid UTF32 conversion length" );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SetText %p UTF8 size %d, UTF32 size %d\n", this, text.size(), mImpl->mLogicalModel->mText.Count() );
- return mDecoratorUpdated;
- }
+ // To reset the cursor position
+ lastCursorIndex = characterCount;
- void OnKeyboardFocus( bool hasFocus )
- {
- if( !hasFocus )
- {
- ChangeState( INACTIVE );
- }
- else
- {
- ChangeState( EDITING );
- }
- }
+ // Update the rest of the model during size negotiation
+ mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED );
- void OnCursorKeyEvent( const Event& event )
- {
- int keyCode = event.p1.mInt;
+ // The natural size needs to be re-calculated.
+ mImpl->mRecalculateNaturalSize = true;
- if( Dali::DALI_KEY_CURSOR_LEFT == keyCode )
- {
- // TODO
- }
- else if( Dali::DALI_KEY_CURSOR_RIGHT == keyCode )
- {
- // TODO
- }
- else if( Dali::DALI_KEY_CURSOR_UP == keyCode )
- {
- // TODO
- }
- else if( Dali::DALI_KEY_CURSOR_DOWN == keyCode )
- {
- // TODO
- }
+ // Apply modifications to the model
+ mImpl->mOperationsPending = ALL_OPERATIONS;
}
-
- void HandleCursorKey( int keyCode )
+ else
{
- // TODO
+ ShowPlaceholderText();
}
- void OnTapEvent( const Event& event )
- {
- unsigned int tapCount = event.p1.mUint;
-
- if( 1u == tapCount )
- {
- ChangeState( EDITING );
+ // Resets the cursor position.
+ ResetCursorPosition( lastCursorIndex );
- float xPosition = event.p2.mFloat;
- float yPosition = event.p3.mFloat;
- float height(0.0f);
- GetClosestCursorPosition( mPrimaryCursorPosition, xPosition, yPosition, height );
- mDecorator->SetPosition( PRIMARY_CURSOR, xPosition, yPosition, height );
- mUpdateCursorPosition = false;
+ // Scrolls the text to make the cursor visible.
+ ResetScrollPosition();
- mDecoratorUpdated = true;
- }
- else if( mSelectionEnabled &&
- 2u == tapCount )
- {
- ChangeState( SELECTING );
- }
- }
+ mImpl->RequestRelayout();
- void OnPanEvent( const Event& event, const Vector2& controlSize )
+ if( mImpl->mEventData )
{
- int state = event.p1.mInt;
-
- if( Gesture::Started == state ||
- Gesture::Continuing == state )
- {
- const Vector2& actualSize = mVisualModel->GetActualSize();
-
- if( mHorizontalScrollingEnabled )
- {
- float displacementX = event.p2.mFloat;
- mScrollPosition.x += displacementX;
-
- // Clamp between -space & 0
- float contentWidth = actualSize.width;
- float space = (contentWidth > controlSize.width) ? contentWidth - controlSize.width : 0.0f;
- mScrollPosition.x = ( mScrollPosition.x < -space ) ? -space : mScrollPosition.x;
- mScrollPosition.x = ( mScrollPosition.x > 0 ) ? 0 : mScrollPosition.x;
-
- mDecoratorUpdated = true;
- }
- if( mVerticalScrollingEnabled )
- {
- float displacementY = event.p3.mFloat;
- mScrollPosition.y += displacementY;
-
- // Clamp between -space & 0
- float space = (actualSize.height > controlSize.height) ? actualSize.height - controlSize.height : 0.0f;
- mScrollPosition.y = ( mScrollPosition.y < -space ) ? -space : mScrollPosition.y;
- mScrollPosition.y = ( mScrollPosition.y > 0 ) ? 0 : mScrollPosition.y;
-
- mDecoratorUpdated = true;
- }
- }
+ // Cancel previously queued events
+ mImpl->mEventData->mEventQueue.clear();
}
- void OnGrabHandleEvent( const Event& event )
- {
- unsigned int state = event.p1.mUint;
+ // Reset keyboard as text changed
+ mImpl->ResetImfManager();
- if( GRAB_HANDLE_PRESSED == state )
- {
- float xPosition = event.p2.mFloat;
- float yPosition = event.p3.mFloat;
- float height(0.0f);
+ // Do this last since it provides callbacks into application code
+ mImpl->mControlInterface.TextChanged();
+}
- GetClosestCursorPosition( mPrimaryCursorPosition, xPosition, yPosition, height );
+void Controller::GetText( std::string& text ) const
+{
+ if( ! mImpl->IsShowingPlaceholderText() )
+ {
+ Vector<Character>& utf32Characters = mImpl->mLogicalModel->mText;
- mDecorator->SetPosition( PRIMARY_CURSOR, xPosition, yPosition, height );
- mDecorator->HidePopup();
- mDecoratorUpdated = true;
- }
- else if ( mGrabHandlePopupEnabled &&
- GRAB_HANDLE_RELEASED == state )
+ if( 0u != utf32Characters.Count() )
{
- mDecorator->ShowPopup();
+ Utf32ToUtf8( &utf32Characters[0], utf32Characters.Count(), text );
}
}
-
- void ChangeState( State newState )
+ else
{
- 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();
- }
- if( mGrabHandleEnabled )
- {
- mDecorator->SetGrabHandleActive( true );
- }
- mDecorator->SetSelectionActive( false );
- mDecoratorUpdated = true;
- }
- }
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::GetText %p empty (but showing placeholder)\n", this );
}
+}
- LineIndex GetClosestLine( float y )
+unsigned int Controller::GetLogicalCursorPosition() const
+{
+ if( mImpl->mEventData )
{
- LineIndex lineIndex( 0u );
-
- const Vector<LineRun>& lines = mVisualModel->mLines;
- for( float totalHeight = 0; lineIndex < lines.Count(); ++lineIndex )
- {
- totalHeight += lines[lineIndex].lineSize.height;
- if( y < totalHeight )
- {
- break;
- }
- }
-
- return lineIndex;
+ return mImpl->mEventData->mPrimaryCursorPosition;
}
- void GetClosestCursorPosition( CharacterIndex& logical, float& visualX, float& visualY, float& height )
- {
- Length numberOfGlyphs = mVisualModel->mGlyphs.Count();
- Length numberOfLines = mVisualModel->mLines.Count();
- if( 0 == numberOfGlyphs ||
- 0 == numberOfLines )
- {
- return;
- }
-
- // Transform to visual model coords
- visualX -= mScrollPosition.x;
- visualY -= mScrollPosition.y;
-
- // Find which line is closest
- LineIndex lineIndex( GetClosestLine( visualY ) );
-
- const Vector<GlyphInfo>& glyphs = mVisualModel->mGlyphs;
- const GlyphInfo* const glyphsBuffer = glyphs.Begin();
-
- const Vector<Vector2>& positions = mVisualModel->mGlyphPositions;
- const Vector2* const positionsBuffer = positions.Begin();
-
- unsigned int closestGlyph = 0;
- bool leftOfGlyph( false ); // which side of the glyph?
- float closestDistance = MAX_FLOAT;
-
- const LineRun& line = mVisualModel->mLines[lineIndex];
- GlyphIndex startGlyph = line.glyphIndex;
- GlyphIndex endGlyph = line.glyphIndex + line.numberOfGlyphs;
- DALI_ASSERT_DEBUG( endGlyph <= glyphs.Count() && "Invalid line info" );
-
- for( GlyphIndex i = startGlyph; i < endGlyph; ++i )
- {
- 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 - visualX ) + fabsf( glyphY - visualY );
-
- if( distanceToGlyph < closestDistance )
- {
- closestDistance = distanceToGlyph;
- closestGlyph = i;
- leftOfGlyph = ( visualX < glyphX );
- }
- }
-
- // Calculate the logical position
- logical = mVisualModel->GetCharacterIndex( closestGlyph );
-
- // Returns the visual position of the glyph
- visualX = positions[closestGlyph].x;
- if( !leftOfGlyph )
- {
- visualX += glyphs[closestGlyph].width;
-
- //if( LTR ) TODO
- ++logical;
- }
- else// if ( RTL ) TODO
- {
- //++logical;
- }
- visualY = 0.0f;
-
- height = line.lineSize.height;
- }
+ return 0u;
+}
- void UpdateCursorPosition()
+void Controller::SetPlaceholderText( PlaceholderType type, const std::string& text )
+{
+ if( mImpl->mEventData )
{
- if( 0 == mVisualModel->mGlyphs.Count() )
+ if( PLACEHOLDER_TYPE_INACTIVE == type )
{
- return;
+ mImpl->mEventData->mPlaceholderTextInactive = text;
}
-
- // FIXME GetGlyphIndex() is behaving strangely
-#if 0
- GlyphIndex cursorGlyph = mVisualModel->GetGlyphIndex( mPrimaryCursorPosition );
-#else
- GlyphIndex cursorGlyph( 0u );
- for( cursorGlyph = 0; cursorGlyph < mVisualModel->mGlyphs.Count(); ++cursorGlyph )
+ else
{
- if( mPrimaryCursorPosition == mVisualModel->GetCharacterIndex( cursorGlyph ) )
- {
- break;
- }
+ mImpl->mEventData->mPlaceholderTextActive = text;
}
-#endif
-
- float visualX( 0.0f );
- float visualY( 0.0f );
- LineIndex lineIndex( 0u );
- const Vector<LineRun>& lineRuns = mVisualModel->mLines;
- if( cursorGlyph > 0 )
+ // Update placeholder if there is no text
+ if( mImpl->IsShowingPlaceholderText() ||
+ 0u == mImpl->mLogicalModel->mText.Count() )
{
- --cursorGlyph;
-
- visualX = mVisualModel->mGlyphPositions[ cursorGlyph ].x;
- //if( LTR ) TODO
- visualX += mVisualModel->mGlyphs[ cursorGlyph ].width;
-
- // Find the line height
- for( GlyphIndex lastGlyph = 0; lineIndex < lineRuns.Count(); ++lineIndex )
- {
- lastGlyph = (lineRuns[lineIndex].glyphIndex + lineRuns[lineIndex].numberOfGlyphs);
- if( cursorGlyph < lastGlyph )
- {
- break;
- }
- }
+ ShowPlaceholderText();
}
-
- mDecorator->SetPosition( PRIMARY_CURSOR, visualX, visualY, lineRuns[lineIndex].lineSize.height );
- mDecoratorUpdated = true;
}
+}
- LogicalModelPtr mLogicalModel;
- VisualModelPtr mVisualModel;
- DecoratorPtr mDecorator;
-
- std::string mPlaceholderText;
-
- /**
- * This is used to delay handling events until after the model has been updated.
- * The number of updates to the model is minimized to improve performance.
- */
- vector<Event> mEventQueue; ///< The queue of touch events etc.
-
- State mState; ///< Selection mode, edit mode etc.
-
- CharacterIndex mPrimaryCursorPosition; ///< Index into logical model for primary cursor
- CharacterIndex mSecondaryCursorPosition; ///< Index into logical model for secondary cursor
-
- /**
- * 0,0 means that the top-left corner of the layout matches the top-left corner of the UI control.
- * Typically this will have a negative value with scrolling occurs.
- */
- Vector2 mScrollPosition; ///< The text is offset by this position when scrolling.
-
- bool mDecoratorUpdated : 1; ///< True if the decorator was updated during event processing
- bool mCursorBlinkEnabled : 1; ///< True if cursor should blink when active
- bool mGrabHandleEnabled : 1; ///< True if grab handle is enabled
- bool mGrabHandlePopupEnabled : 1; ///< True if the grab handle popu-up should be shown
- bool mSelectionEnabled : 1; ///< True if selection handles, highlight etc. are enabled
- bool mHorizontalScrollingEnabled : 1; ///< True if horizontal scrolling is enabled
- bool mVerticalScrollingEnabled : 1; ///< True if vertical scrolling is enabled
- bool mUpdateCursorPosition : 1; ///< True if the visual position of the cursor must be recalculated
-};
-
-struct Controller::FontDefaults
+void Controller::GetPlaceholderText( PlaceholderType type, std::string& text ) const
{
- FontDefaults()
- : mDefaultPointSize(0.0f),
- mFontId(0u)
- {
- }
-
- FontId GetFontId( TextAbstraction::FontClient& fontClient )
+ if( mImpl->mEventData )
{
- if( !mFontId )
+ if( PLACEHOLDER_TYPE_INACTIVE == type )
{
- Dali::TextAbstraction::PointSize26Dot6 pointSize = mDefaultPointSize*64;
- mFontId = fontClient.GetFontId( mDefaultFontFamily, mDefaultFontStyle, pointSize );
+ text = mImpl->mEventData->mPlaceholderTextInactive;
+ }
+ else
+ {
+ text = mImpl->mEventData->mPlaceholderTextActive;
}
-
- 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(),
- mModifyEvents(),
- mControlSize(),
- mOperationsPending( NO_OPERATION ),
- mRecalculateNaturalSize( true )
- {
- mLogicalModel = LogicalModel::New();
- mVisualModel = VisualModel::New();
-
- mFontClient = TextAbstraction::FontClient::Get();
-
- mView.SetVisualModel( mVisualModel );
- }
-
- ~Impl()
- {
- delete 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::vector<ModifyEvent> mModifyEvents; ///< 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 )
-{
- return ControllerPtr( new Controller( controlInterface ) );
-}
-
-void Controller::SetText( const std::string& text )
-{
- // Cancel previously queued inserts etc.
- mImpl->mModifyEvents.clear();
-
- // Keep until size negotiation
- ModifyEvent event;
- event.type = REPLACE_TEXT;
- event.text = text;
- mImpl->mModifyEvents.push_back( event );
-
- if( mImpl->mTextInput )
- {
- // Cancel previously queued events
- mImpl->mTextInput->mEventQueue.clear();
-
- // TODO - Hide selection decorations
- }
-}
-
-void Controller::GetText( std::string& text ) const
-{
- if( !mImpl->mModifyEvents.empty() &&
- REPLACE_TEXT == mImpl->mModifyEvents[0].type )
- {
- text = mImpl->mModifyEvents[0].text;
- }
- else
- {
- // TODO - Convert from UTF-32
}
}
-void Controller::SetPlaceholderText( const std::string& text )
+void Controller::SetMaximumNumberOfCharacters( int maxCharacters )
{
- if( !mImpl->mTextInput )
+ if ( maxCharacters >= 0 )
{
- mImpl->mTextInput->mPlaceholderText = text;
+ mImpl->mMaximumNumberOfCharacters = maxCharacters;
}
}
-void Controller::GetPlaceholderText( std::string& text ) const
+int Controller::GetMaximumNumberOfCharacters()
{
- if( !mImpl->mTextInput )
- {
- text = mImpl->mTextInput->mPlaceholderText;
- }
+ return mImpl->mMaximumNumberOfCharacters;
}
void Controller::SetDefaultFontFamily( const std::string& defaultFontFamily )
{
if( !mImpl->mFontDefaults )
{
- mImpl->mFontDefaults = new Controller::FontDefaults();
+ mImpl->mFontDefaults = new FontDefaults();
}
mImpl->mFontDefaults->mDefaultFontFamily = defaultFontFamily;
- mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
+
+ // Clear the font-specific data
+ ClearFontData();
+
mImpl->mOperationsPending = ALL_OPERATIONS;
mImpl->mRecalculateNaturalSize = true;
+
+ mImpl->RequestRelayout();
}
const std::string& Controller::GetDefaultFontFamily() const
{
if( !mImpl->mFontDefaults )
{
- mImpl->mFontDefaults = new Controller::FontDefaults();
+ mImpl->mFontDefaults = new FontDefaults();
}
mImpl->mFontDefaults->mDefaultFontStyle = defaultFontStyle;
- mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
+
+ // Clear the font-specific data
+ ClearFontData();
+
mImpl->mOperationsPending = ALL_OPERATIONS;
mImpl->mRecalculateNaturalSize = true;
+
+ mImpl->RequestRelayout();
}
const std::string& Controller::GetDefaultFontStyle() const
{
if( !mImpl->mFontDefaults )
{
- mImpl->mFontDefaults = new Controller::FontDefaults();
+ mImpl->mFontDefaults = new FontDefaults();
}
mImpl->mFontDefaults->mDefaultPointSize = pointSize;
- mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
+
+ // Clear the font-specific data
+ ClearFontData();
+
mImpl->mOperationsPending = ALL_OPERATIONS;
mImpl->mRecalculateNaturalSize = true;
+
+ mImpl->RequestRelayout();
}
float Controller::GetDefaultPointSize() const
return 0.0f;
}
-void Controller::GetDefaultFonts( Vector<FontRun>& fonts, Length numberOfCharacters )
+void Controller::SetTextColor( const Vector4& textColor )
{
- if( mImpl->mFontDefaults )
+ mImpl->mTextColor = textColor;
+
+ if( !mImpl->IsShowingPlaceholderText() )
{
- FontRun fontRun;
- fontRun.characterRun.characterIndex = 0;
- fontRun.characterRun.numberOfCharacters = numberOfCharacters;
- fontRun.fontId = mImpl->mFontDefaults->GetFontId( mImpl->mFontClient );
- fontRun.isDefault = true;
+ mImpl->mVisualModel->SetTextColor( textColor );
- fonts.PushBack( fontRun );
+ mImpl->RequestRelayout();
}
}
-void Controller::EnableTextInput( DecoratorPtr decorator )
+const Vector4& Controller::GetTextColor() const
{
- if( !mImpl->mTextInput )
- {
- mImpl->mTextInput = new TextInput( mImpl->mLogicalModel, mImpl->mVisualModel, decorator );
- }
+ return mImpl->mTextColor;
}
-void Controller::SetEnableCursorBlink( bool enable )
+bool Controller::RemoveText( int cursorOffset, int numberOfChars )
{
- DALI_ASSERT_DEBUG( NULL != mImpl->mTextInput && "TextInput disabled" );
+ bool removed( false );
- if( mImpl->mTextInput )
+ DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p mText.Count() %d cursor %d cursorOffset %d numberOfChars %d\n",
+ this, mImpl->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition, cursorOffset, numberOfChars );
+
+ if( ! mImpl->IsShowingPlaceholderText() )
{
- mImpl->mTextInput->mCursorBlinkEnabled = enable;
+ // Delete at current cursor position
+ Vector<Character>& currentText = mImpl->mLogicalModel->mText;
+ CharacterIndex& oldCursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
- if( !enable &&
- mImpl->mTextInput->mDecorator )
+ CharacterIndex cursorIndex = oldCursorIndex;
+
+ // Validate the cursor position & number of characters
+ if( static_cast< CharacterIndex >( std::abs( cursorOffset ) ) <= cursorIndex )
+ {
+ cursorIndex = oldCursorIndex + cursorOffset;
+ }
+
+ if( (cursorIndex + numberOfChars) > currentText.Count() )
{
- mImpl->mTextInput->mDecorator->StopCursorBlink();
+ numberOfChars = currentText.Count() - cursorIndex;
+ }
+
+ if( cursorIndex >= 0 &&
+ (cursorIndex + numberOfChars) <= currentText.Count() )
+ {
+ Vector<Character>::Iterator first = currentText.Begin() + cursorIndex;
+ Vector<Character>::Iterator last = first + numberOfChars;
+
+ currentText.Erase( first, last );
+
+ // Cursor position retreat
+ oldCursorIndex = cursorIndex;
+
+ DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p removed %d\n", this, numberOfChars );
+ removed = true;
}
}
+
+ return removed;
}
-bool Controller::GetEnableCursorBlink() const
+void Controller::SetPlaceholderTextColor( const Vector4& textColor )
{
- if( mImpl->mTextInput )
+ if( mImpl->mEventData )
{
- return mImpl->mTextInput->mCursorBlinkEnabled;
+ mImpl->mEventData->mPlaceholderTextColor = textColor;
}
- return false;
+ if( mImpl->IsShowingPlaceholderText() )
+ {
+ mImpl->mVisualModel->SetTextColor( textColor );
+ mImpl->RequestRelayout();
+ }
}
-const Vector2& Controller::GetScrollPosition() const
+const Vector4& Controller::GetPlaceholderTextColor() const
{
- if( mImpl->mTextInput )
+ if( mImpl->mEventData )
{
- return mImpl->mTextInput->mScrollPosition;
+ return mImpl->mEventData->mPlaceholderTextColor;
}
- return Vector2::ZERO;
+ return Color::BLACK;
}
-Vector3 Controller::GetNaturalSize()
+void Controller::SetShadowOffset( const Vector2& shadowOffset )
{
- Vector3 naturalSize;
+ mImpl->mVisualModel->SetShadowOffset( shadowOffset );
- // Make sure the model is up-to-date before layouting
- ProcessModifyEvents();
+ mImpl->RequestRelayout();
+}
- 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 |
- BIDI_INFO |
- SHAPE_TEXT |
+const Vector2& Controller::GetShadowOffset() const
+{
+ return mImpl->mVisualModel->GetShadowOffset();
+}
+
+void Controller::SetShadowColor( const Vector4& shadowColor )
+{
+ mImpl->mVisualModel->SetShadowColor( shadowColor );
+
+ mImpl->RequestRelayout();
+}
+
+const Vector4& Controller::GetShadowColor() const
+{
+ return mImpl->mVisualModel->GetShadowColor();
+}
+
+void Controller::SetUnderlineColor( const Vector4& color )
+{
+ mImpl->mVisualModel->SetUnderlineColor( color );
+
+ mImpl->RequestRelayout();
+}
+
+const Vector4& Controller::GetUnderlineColor() const
+{
+ return mImpl->mVisualModel->GetUnderlineColor();
+}
+
+void Controller::SetUnderlineEnabled( bool enabled )
+{
+ mImpl->mVisualModel->SetUnderlineEnabled( enabled );
+
+ mImpl->RequestRelayout();
+}
+
+bool Controller::IsUnderlineEnabled() const
+{
+ return mImpl->mVisualModel->IsUnderlineEnabled();
+}
+
+void Controller::SetUnderlineHeight( float height )
+{
+ mImpl->mVisualModel->SetUnderlineHeight( height );
+
+ mImpl->RequestRelayout();
+}
+
+float Controller::GetUnderlineHeight() const
+{
+ return mImpl->mVisualModel->GetUnderlineHeight();
+}
+
+void Controller::SetEnableCursorBlink( bool enable )
+{
+ DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "TextInput disabled" );
+
+ if( mImpl->mEventData )
+ {
+ mImpl->mEventData->mCursorBlinkEnabled = enable;
+
+ if( !enable &&
+ mImpl->mEventData->mDecorator )
+ {
+ mImpl->mEventData->mDecorator->StopCursorBlink();
+ }
+ }
+}
+
+bool Controller::GetEnableCursorBlink() const
+{
+ if( mImpl->mEventData )
+ {
+ return mImpl->mEventData->mCursorBlinkEnabled;
+ }
+
+ return false;
+}
+
+const Vector2& Controller::GetScrollPosition() const
+{
+ if( mImpl->mEventData )
+ {
+ return mImpl->mEventData->mScrollPosition;
+ }
+
+ return Vector2::ZERO;
+}
+
+const Vector2& Controller::GetAlignmentOffset() const
+{
+ return mImpl->mAlignmentOffset;
+}
+
+Vector3 Controller::GetNaturalSize()
+{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetNaturalSize\n" );
+ Vector3 naturalSize;
+
+ // Make sure the model is up-to-date before layouting
+ ProcessModifyEvents();
+
+ 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 |
+ BIDI_INFO |
+ SHAPE_TEXT |
GET_GLYPH_METRICS );
// Make sure the model is up-to-date before layouting
- UpdateModel( onlyOnceOperations );
+ mImpl->UpdateModel( onlyOnceOperations );
// Operations that need to be done if the size changes.
const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
mImpl->mVisualModel->SetNaturalSize( naturalSize.GetVectorXY() );
mImpl->mRecalculateNaturalSize = false;
+
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize calculated %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
}
else
{
naturalSize = mImpl->mVisualModel->GetNaturalSize();
+
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize cached %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
}
return naturalSize;
float Controller::GetHeightForWidth( float width )
{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetHeightForWidth %p width %f\n", this, width );
// Make sure the model is up-to-date before layouting
ProcessModifyEvents();
SHAPE_TEXT |
GET_GLYPH_METRICS );
// Make sure the model is up-to-date before layouting
- UpdateModel( onlyOnceOperations );
+ mImpl->UpdateModel( onlyOnceOperations );
// Operations that need to be done if the size changes.
const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
// Do the size related operations again.
mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth calculated %f\n", layoutSize.height );
}
else
{
layoutSize = mImpl->mVisualModel->GetActualSize();
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth cached %f\n", layoutSize.height );
}
return layoutSize.height;
}
-bool Controller::Relayout( const Vector2& size )
+bool Controller::Relayout( const Size& size )
{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::Relayout %p size %f,%f\n", this, size.width, size.height );
+
if( ( size.width < Math::MACHINE_EPSILON_1000 ) || ( size.height < Math::MACHINE_EPSILON_1000 ) )
{
bool glyphsRemoved( false );
mImpl->mVisualModel->SetGlyphPositions( NULL, 0u );
glyphsRemoved = true;
}
-
// Not worth to relayout if width or height is equal to zero.
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout (skipped)\n" );
return glyphsRemoved;
}
if( size != mImpl->mControlSize )
{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "new size (previous size %f,%f)\n", mImpl->mControlSize.width, mImpl->mControlSize.height );
+
// Operations that need to be done if the size changes.
mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
LAYOUT |
// Make sure the model is up-to-date before layouting
ProcessModifyEvents();
- UpdateModel( mImpl->mOperationsPending );
+ mImpl->UpdateModel( mImpl->mOperationsPending );
Size layoutSize;
bool updated = DoRelayout( mImpl->mControlSize,
// Do not re-do any operation until something changes.
mImpl->mOperationsPending = NO_OPERATION;
- if( mImpl->mTextInput )
+ // After doing the text layout, the alignment offset to place the actor in the desired position can be calculated.
+ CalculateTextAlignment( size );
+
+ if( mImpl->mEventData )
{
// Move the cursor, grab handle etc.
- updated = mImpl->mTextInput->ProcessInputEvents( mImpl->mControlSize ) || updated;
+ updated = mImpl->ProcessInputEvents() || updated;
}
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout\n" );
return updated;
}
for( unsigned int i=0; i<events.size(); ++i )
{
- if( REPLACE_TEXT == events[0].type )
+ if( ModifyEvent::TEXT_REPLACED == events[0].type )
{
// A (single) replace event should come first, otherwise we wasted time processing NOOP events
- DALI_ASSERT_DEBUG( 0 == i && "Unexpected REPLACE event" );
+ DALI_ASSERT_DEBUG( 0 == i && "Unexpected TEXT_REPLACED event" );
- ReplaceTextEvent( events[0].text );
+ TextReplacedEvent();
}
- else if( INSERT_TEXT == events[0].type )
+ else if( ModifyEvent::TEXT_INSERTED == events[0].type )
{
- InsertTextEvent( events[0].text );
+ TextInsertedEvent();
}
- else if( DELETE_TEXT == events[0].type )
+ else if( ModifyEvent::TEXT_DELETED == events[0].type )
{
- DeleteTextEvent();
+ // Placeholder-text cannot be deleted
+ if( !mImpl->IsShowingPlaceholderText() )
+ {
+ TextDeletedEvent();
+ }
}
}
events.clear();
}
-void Controller::ReplaceTextEvent( const std::string& text )
+void Controller::ResetText()
{
// Reset buffers.
mImpl->mLogicalModel->mText.Clear();
- mImpl->mLogicalModel->mScriptRuns.Clear();
- mImpl->mLogicalModel->mFontRuns.Clear();
- mImpl->mLogicalModel->mLineBreakInfo.Clear();
- mImpl->mLogicalModel->mWordBreakInfo.Clear();
- mImpl->mLogicalModel->mBidirectionalParagraphInfo.Clear();
- mImpl->mLogicalModel->mBidirectionalLineInfo.Clear();
- mImpl->mLogicalModel->mLogicalToVisualMap.Clear();
- mImpl->mLogicalModel->mVisualToLogicalMap.Clear();
- mImpl->mVisualModel->mGlyphs.Clear();
- mImpl->mVisualModel->mGlyphsToCharacters.Clear();
- mImpl->mVisualModel->mCharactersToGlyph.Clear();
- mImpl->mVisualModel->mCharactersPerGlyph.Clear();
- mImpl->mVisualModel->mGlyphsPerCharacter.Clear();
- mImpl->mVisualModel->mGlyphPositions.Clear();
- mImpl->mVisualModel->mLines.Clear();
+ ClearModelData();
- // Convert text into UTF-32
- Vector<Character>& utf32Characters = mImpl->mLogicalModel->mText;
- utf32Characters.Resize( text.size() );
+ // We have cleared everything including the placeholder-text
+ mImpl->PlaceholderCleared();
- // This is a bit horrible but std::string returns a (signed) char*
- const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
+ // The natural size needs to be re-calculated.
+ mImpl->mRecalculateNaturalSize = true;
- // Transform a text array encoded in utf8 into an array encoded in utf32.
- // It returns the actual number of characters.
- Length characterCount = Utf8ToUtf32( utf8, text.size(), utf32Characters.Begin() );
- utf32Characters.Resize( characterCount );
+ // Apply modifications to the model
+ mImpl->mOperationsPending = ALL_OPERATIONS;
+}
+void Controller::ResetCursorPosition( CharacterIndex cursorIndex )
+{
// Reset the cursor position
- if( mImpl->mTextInput )
+ if( NULL != mImpl->mEventData )
{
- mImpl->mTextInput->mPrimaryCursorPosition = characterCount;
- // TODO - handle secondary cursor
+ mImpl->mEventData->mPrimaryCursorPosition = cursorIndex;
+
+ // Update the cursor if it's in editing mode.
+ if( ( EventData::EDITING == mImpl->mEventData->mState ) ||
+ ( EventData::EDITING_WITH_POPUP == mImpl->mEventData->mState ) )
+ {
+ mImpl->mEventData->mUpdateCursorPosition = true;
+ }
}
+}
+
+void Controller::ResetScrollPosition()
+{
+ if( NULL != mImpl->mEventData )
+ {
+ // Reset the scroll position.
+ mImpl->mEventData->mScrollPosition = Vector2::ZERO;
+ mImpl->mEventData->mScrollAfterUpdateCursorPosition = true;
+ }
+}
+
+void Controller::TextReplacedEvent()
+{
+ // Reset buffers.
+ ClearModelData();
// The natural size needs to be re-calculated.
mImpl->mRecalculateNaturalSize = true;
// Apply modifications to the model
mImpl->mOperationsPending = ALL_OPERATIONS;
- UpdateModel( ALL_OPERATIONS );
+ mImpl->UpdateModel( ALL_OPERATIONS );
mImpl->mOperationsPending = static_cast<OperationsMask>( LAYOUT |
ALIGN |
UPDATE_ACTUAL_SIZE |
REORDER );
}
-void Controller::InsertTextEvent( const std::string& text )
+void Controller::TextInsertedEvent()
{
- DALI_ASSERT_DEBUG( NULL != mImpl->mTextInput && "Unexpected InsertTextEvent" );
+ DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextInsertedEvent" );
// TODO - Optimize this
- mImpl->mLogicalModel->mScriptRuns.Clear();
- mImpl->mLogicalModel->mFontRuns.Clear();
- mImpl->mLogicalModel->mLineBreakInfo.Clear();
- mImpl->mLogicalModel->mWordBreakInfo.Clear();
- mImpl->mLogicalModel->mBidirectionalParagraphInfo.Clear();
- mImpl->mLogicalModel->mBidirectionalLineInfo.Clear();
- mImpl->mLogicalModel->mLogicalToVisualMap.Clear();
- mImpl->mLogicalModel->mVisualToLogicalMap.Clear();
- mImpl->mVisualModel->mGlyphs.Clear();
- mImpl->mVisualModel->mGlyphsToCharacters.Clear();
- mImpl->mVisualModel->mCharactersToGlyph.Clear();
- mImpl->mVisualModel->mCharactersPerGlyph.Clear();
- mImpl->mVisualModel->mGlyphsPerCharacter.Clear();
- mImpl->mVisualModel->mGlyphPositions.Clear();
- mImpl->mVisualModel->mLines.Clear();
-
- // Convert text into UTF-32
- Vector<Character> utf32Characters;
- utf32Characters.Resize( text.size() );
-
- // This is a bit horrible but std::string returns a (signed) char*
- const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
-
- // Transform a text array encoded in utf8 into an array encoded in utf32.
- // It returns the actual number of characters.
- Length characterCount = Utf8ToUtf32( utf8, text.size(), utf32Characters.Begin() );
- utf32Characters.Resize( characterCount );
-
- // Insert at current cursor position
- Vector<Character>& modifyText = mImpl->mLogicalModel->mText;
- CharacterIndex& cursorIndex = mImpl->mTextInput->mPrimaryCursorPosition;
-
- if( cursorIndex < modifyText.Count() )
- {
- modifyText.Insert( modifyText.Begin() + cursorIndex, utf32Characters.Begin(), utf32Characters.End() );
- }
- else
- {
- modifyText.Insert( modifyText.End(), utf32Characters.Begin(), utf32Characters.End() );
- }
-
- // Advance the cursor position
- ++cursorIndex;
+ ClearModelData();
// The natural size needs to be re-calculated.
mImpl->mRecalculateNaturalSize = true;
// Apply modifications to the model; TODO - Optimize this
mImpl->mOperationsPending = ALL_OPERATIONS;
- UpdateModel( ALL_OPERATIONS );
+ mImpl->UpdateModel( ALL_OPERATIONS );
mImpl->mOperationsPending = static_cast<OperationsMask>( LAYOUT |
ALIGN |
UPDATE_ACTUAL_SIZE |
REORDER );
// Queue a cursor reposition event; this must wait until after DoRelayout()
- mImpl->mTextInput->mUpdateCursorPosition = true;
+ mImpl->mEventData->mUpdateCursorPosition = true;
+ mImpl->mEventData->mScrollAfterUpdateCursorPosition = true;
}
-void Controller::DeleteTextEvent()
+void Controller::TextDeletedEvent()
{
- DALI_ASSERT_DEBUG( NULL != mImpl->mTextInput && "Unexpected InsertTextEvent" );
+ DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected TextDeletedEvent" );
// TODO - Optimize this
- mImpl->mLogicalModel->mScriptRuns.Clear();
- mImpl->mLogicalModel->mFontRuns.Clear();
- mImpl->mLogicalModel->mLineBreakInfo.Clear();
- mImpl->mLogicalModel->mWordBreakInfo.Clear();
- mImpl->mLogicalModel->mBidirectionalParagraphInfo.Clear();
- mImpl->mLogicalModel->mBidirectionalLineInfo.Clear();
- mImpl->mLogicalModel->mLogicalToVisualMap.Clear();
- mImpl->mLogicalModel->mVisualToLogicalMap.Clear();
- mImpl->mVisualModel->mGlyphs.Clear();
- mImpl->mVisualModel->mGlyphsToCharacters.Clear();
- mImpl->mVisualModel->mCharactersToGlyph.Clear();
- mImpl->mVisualModel->mCharactersPerGlyph.Clear();
- mImpl->mVisualModel->mGlyphsPerCharacter.Clear();
- mImpl->mVisualModel->mGlyphPositions.Clear();
- mImpl->mVisualModel->mLines.Clear();
-
- // Delte at current cursor position
- Vector<Character>& modifyText = mImpl->mLogicalModel->mText;
- CharacterIndex& cursorIndex = mImpl->mTextInput->mPrimaryCursorPosition;
-
- if( cursorIndex > 0 &&
- cursorIndex-1 < modifyText.Count() )
- {
- modifyText.Remove( modifyText.Begin() + cursorIndex - 1 );
-
- // Cursor position retreat
- --cursorIndex;
- }
+ ClearModelData();
// The natural size needs to be re-calculated.
mImpl->mRecalculateNaturalSize = true;
// Apply modifications to the model; TODO - Optimize this
mImpl->mOperationsPending = ALL_OPERATIONS;
- UpdateModel( ALL_OPERATIONS );
+ mImpl->UpdateModel( ALL_OPERATIONS );
mImpl->mOperationsPending = static_cast<OperationsMask>( LAYOUT |
ALIGN |
UPDATE_ACTUAL_SIZE |
REORDER );
// Queue a cursor reposition event; this must wait until after DoRelayout()
- mImpl->mTextInput->mUpdateCursorPosition = true;
+ mImpl->mEventData->mUpdateCursorPosition = true;
+ mImpl->mEventData->mScrollAfterUpdateCursorPosition = true;
}
-void Controller::UpdateModel( OperationsMask operationsRequired )
-{
- // Calculate the operations to be done.
- const OperationsMask operations = static_cast<OperationsMask>( mImpl->mOperationsPending & operationsRequired );
-
- Vector<Character>& utf32Characters = mImpl->mLogicalModel->mText;
-
- const Length numberOfCharacters = mImpl->mLogicalModel->GetNumberOfCharacters();
-
- Vector<LineBreakInfo>& lineBreakInfo = mImpl->mLogicalModel->mLineBreakInfo;
- if( GET_LINE_BREAKS & operations )
- {
- // Retrieves the line break info. The line break info is used to split the text in 'paragraphs' to
- // calculate the bidirectional info for each 'paragraph'.
- // It's also used to layout the text (where it should be a new line) or to shape the text (text in different lines
- // is not shaped together).
- lineBreakInfo.Resize( numberOfCharacters, TextAbstraction::LINE_NO_BREAK );
-
- SetLineBreakInfo( utf32Characters,
- lineBreakInfo );
- }
-
- Vector<WordBreakInfo>& wordBreakInfo = mImpl->mLogicalModel->mWordBreakInfo;
- 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( numberOfCharacters, TextAbstraction::WORD_NO_BREAK );
-
- SetWordBreakInfo( utf32Characters,
- wordBreakInfo );
- }
-
- const bool getScripts = GET_SCRIPTS & operations;
- const bool validateFonts = VALIDATE_FONTS & operations;
-
- Vector<ScriptRun>& scripts = mImpl->mLogicalModel->mScriptRuns;
- Vector<FontRun>& validFonts = mImpl->mLogicalModel->mFontRuns;
-
- if( getScripts || validateFonts )
- {
- // Validates the fonts assigned by the application or assigns default ones.
- // It makes sure all the characters are going to be rendered by the correct font.
- MultilanguageSupport multilanguageSupport = MultilanguageSupport::Get();
-
- if( getScripts )
- {
- // Retrieves the scripts used in the text.
- multilanguageSupport.SetScripts( utf32Characters,
- lineBreakInfo,
- 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 );
- }
-
- // 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,
- validFonts );
- }
- }
-
- Vector<Character> mirroredUtf32Characters;
- bool textMirrored = false;
- if( BIDI_INFO & operations )
- {
- // 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 < numberOfCharacters; ++index )
- {
- if( TextAbstraction::LINE_NO_BREAK == *( lineBreakInfoBuffer + index ) )
- {
- ++numberOfParagraphs;
- }
- }
-
- Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo = mImpl->mLogicalModel->mBidirectionalParagraphInfo;
- bidirectionalInfo.Reserve( numberOfParagraphs );
-
- // Calculates the bidirectional info for the whole paragraph if it contains right to left scripts.
- SetBidirectionalInfo( utf32Characters,
- scripts,
- lineBreakInfo,
- 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 );
- }
- }
-
- Vector<GlyphInfo>& glyphs = mImpl->mVisualModel->mGlyphs;
- Vector<CharacterIndex>& glyphsToCharactersMap = mImpl->mVisualModel->mGlyphsToCharacters;
- Vector<Length>& charactersPerGlyph = mImpl->mVisualModel->mCharactersPerGlyph;
- if( SHAPE_TEXT & operations )
- {
- const Vector<Character>& textToShape = textMirrored ? mirroredUtf32Characters : utf32Characters;
- // Shapes the text.
- ShapeText( textToShape,
- lineBreakInfo,
- scripts,
- validFonts,
- glyphs,
- glyphsToCharactersMap,
- charactersPerGlyph );
- }
-
- const Length numberOfGlyphs = glyphs.Count();
-
- if( GET_GLYPH_METRICS & operations )
- {
- mImpl->mFontClient.GetGlyphMetrics( glyphs.Begin(), numberOfGlyphs );
- }
-
- if( 0u != numberOfGlyphs )
- {
- // Create the glyph to character conversion table and the 'number of glyphs' per character.
- mImpl->mVisualModel->CreateCharacterToGlyphTable(numberOfCharacters );
- mImpl->mVisualModel->CreateGlyphsPerCharacterTable( numberOfCharacters );
- }
-}
-
-bool Controller::DoRelayout( const Vector2& size,
+bool Controller::DoRelayout( const Size& size,
OperationsMask operationsRequired,
Size& layoutSize )
{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout %p size %f,%f\n", this, size.width, size.height );
bool viewUpdated( false );
// Calculate the operations to be done.
Length numberOfGlyphs = mImpl->mVisualModel->GetNumberOfGlyphs();
+ if( 0u == numberOfGlyphs )
+ {
+ // Nothing else to do if there is no glyphs.
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout no glyphs, view updated true\n" );
+ return true;
+ }
+
Vector<LineBreakInfo>& lineBreakInfo = mImpl->mLogicalModel->mLineBreakInfo;
Vector<WordBreakInfo>& wordBreakInfo = mImpl->mLogicalModel->mWordBreakInfo;
+ Vector<CharacterDirection>& characterDirection = mImpl->mLogicalModel->mCharacterDirections;
Vector<GlyphInfo>& glyphs = mImpl->mVisualModel->mGlyphs;
Vector<CharacterIndex>& glyphsToCharactersMap = mImpl->mVisualModel->mGlyphsToCharacters;
Vector<Length>& charactersPerGlyph = mImpl->mVisualModel->mCharactersPerGlyph;
mImpl->mLogicalModel->mText.Begin(),
lineBreakInfo.Begin(),
wordBreakInfo.Begin(),
+ ( 0u != characterDirection.Count() ) ? characterDirection.Begin() : NULL,
numberOfGlyphs,
glyphs.Begin(),
glyphsToCharactersMap.Begin(),
}
} // REORDER
+ // TODO: I'm working on a patch that changes the LayoutEngine::Align() method.
+ // The layoutParameters is not needed and this call can be moved outside the if().
+ // Then there is no need to do the layout again to change the alignment.
if( ALIGN & operations )
{
mImpl->mLayoutEngine.Align( layoutParameters,
+ layoutSize,
lines,
glyphPositions );
}
layoutSize = mImpl->mVisualModel->GetActualSize();
}
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout, view updated %s\n", ( viewUpdated ? "true" : "false" ) );
return viewUpdated;
}
-View& Controller::GetView()
+void Controller::SetMultiLineEnabled( bool enable )
{
- return mImpl->mView;
+ const LayoutEngine::Layout layout = enable ? LayoutEngine::MULTI_LINE_BOX : LayoutEngine::SINGLE_LINE_BOX;
+
+ if( layout != mImpl->mLayoutEngine.GetLayout() )
+ {
+ // Set the layout type.
+ mImpl->mLayoutEngine.SetLayout( layout );
+
+ // Set the flags to redo the layout operations
+ const OperationsMask layoutOperations = static_cast<OperationsMask>( LAYOUT |
+ UPDATE_ACTUAL_SIZE |
+ ALIGN |
+ REORDER );
+
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | layoutOperations );
+
+ mImpl->RequestRelayout();
+ }
+}
+
+bool Controller::IsMultiLineEnabled() const
+{
+ return LayoutEngine::MULTI_LINE_BOX == mImpl->mLayoutEngine.GetLayout();
+}
+
+void Controller::SetHorizontalAlignment( LayoutEngine::HorizontalAlignment alignment )
+{
+ if( alignment != mImpl->mLayoutEngine.GetHorizontalAlignment() )
+ {
+ // Set the alignment.
+ mImpl->mLayoutEngine.SetHorizontalAlignment( alignment );
+
+ // Set the flag to redo the alignment operation.
+ // TODO : Is not needed re-layout and reorder again but with the current implementation it is.
+ // Im working on a different patch to fix an issue with the alignment. When that patch
+ // is in, this issue can be fixed.
+ const OperationsMask layoutOperations = static_cast<OperationsMask>( LAYOUT |
+ UPDATE_ACTUAL_SIZE |
+ ALIGN |
+ REORDER );
+
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | layoutOperations );
+
+ mImpl->RequestRelayout();
+ }
+}
+
+LayoutEngine::HorizontalAlignment Controller::GetHorizontalAlignment() const
+{
+ return mImpl->mLayoutEngine.GetHorizontalAlignment();
+}
+
+void Controller::SetVerticalAlignment( LayoutEngine::VerticalAlignment alignment )
+{
+ if( alignment != mImpl->mLayoutEngine.GetVerticalAlignment() )
+ {
+ // Set the alignment.
+ mImpl->mLayoutEngine.SetVerticalAlignment( alignment );
+
+ // Set the flag to redo the alignment operation.
+ // TODO : Is not needed re-layout and reorder again but with the current implementation it is.
+ // Im working on a different patch to fix an issue with the alignment. When that patch
+ // is in, this issue can be fixed.
+ const OperationsMask layoutOperations = static_cast<OperationsMask>( LAYOUT |
+ UPDATE_ACTUAL_SIZE |
+ ALIGN |
+ REORDER );
+
+ mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | layoutOperations );
+
+ mImpl->RequestRelayout();
+ }
+}
+
+LayoutEngine::VerticalAlignment Controller::GetVerticalAlignment() const
+{
+ return mImpl->mLayoutEngine.GetVerticalAlignment();
+}
+
+void Controller::CalculateTextAlignment( const Size& size )
+{
+ // Get the direction of the first character.
+ const CharacterDirection firstParagraphDirection = mImpl->mLogicalModel->GetCharacterDirection( 0u );
+
+ const Size& actualSize = mImpl->mVisualModel->GetActualSize();
+
+ // If the first paragraph is right to left swap ALIGN_BEGIN and ALIGN_END;
+ LayoutEngine::HorizontalAlignment horizontalAlignment = mImpl->mLayoutEngine.GetHorizontalAlignment();
+ if( firstParagraphDirection &&
+ ( LayoutEngine::HORIZONTAL_ALIGN_CENTER != horizontalAlignment ) )
+ {
+ if( LayoutEngine::HORIZONTAL_ALIGN_BEGIN == horizontalAlignment )
+ {
+ horizontalAlignment = LayoutEngine::HORIZONTAL_ALIGN_END;
+ }
+ else
+ {
+ horizontalAlignment = LayoutEngine::HORIZONTAL_ALIGN_BEGIN;
+ }
+ }
+
+ switch( horizontalAlignment )
+ {
+ case LayoutEngine::HORIZONTAL_ALIGN_BEGIN:
+ {
+ mImpl->mAlignmentOffset.x = 0.f;
+ break;
+ }
+ case LayoutEngine::HORIZONTAL_ALIGN_CENTER:
+ {
+ const int intOffset = static_cast<int>( 0.5f * ( size.width - actualSize.width ) ); // try to avoid pixel alignment.
+ mImpl->mAlignmentOffset.x = static_cast<float>( intOffset );
+ break;
+ }
+ case LayoutEngine::HORIZONTAL_ALIGN_END:
+ {
+ mImpl->mAlignmentOffset.x = size.width - actualSize.width;
+ break;
+ }
+ }
+
+ const LayoutEngine::VerticalAlignment verticalAlignment = mImpl->mLayoutEngine.GetVerticalAlignment();
+ switch( verticalAlignment )
+ {
+ case LayoutEngine::VERTICAL_ALIGN_TOP:
+ {
+ mImpl->mAlignmentOffset.y = 0.f;
+ break;
+ }
+ case LayoutEngine::VERTICAL_ALIGN_CENTER:
+ {
+ const int intOffset = static_cast<int>( 0.5f * ( size.height - actualSize.height ) ); // try to avoid pixel alignment.
+ mImpl->mAlignmentOffset.y = static_cast<float>( intOffset );
+ break;
+ }
+ case LayoutEngine::VERTICAL_ALIGN_BOTTOM:
+ {
+ mImpl->mAlignmentOffset.y = size.height - actualSize.height;
+ break;
+ }
+ }
}
LayoutEngine& Controller::GetLayoutEngine()
return mImpl->mLayoutEngine;
}
-void Controller::RequestRelayout()
+View& Controller::GetView()
{
- mImpl->mControlInterface.RequestTextRelayout();
+ return mImpl->mView;
}
void Controller::KeyboardFocusGainEvent()
{
- DALI_ASSERT_DEBUG( mImpl->mTextInput && "Unexpected KeyboardFocusGainEvent" );
+ DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusGainEvent" );
- if( mImpl->mTextInput )
+ if( mImpl->mEventData )
{
- TextInput::Event event( TextInput::KEYBOARD_FOCUS_GAIN_EVENT );
- mImpl->mTextInput->mEventQueue.push_back( event );
+ mImpl->ChangeState( EventData::EDITING );
+
+ if( mImpl->IsShowingPlaceholderText() )
+ {
+ // Show alternative placeholder-text when editing
+ ShowPlaceholderText();
+ }
- RequestRelayout();
+ mImpl->RequestRelayout();
}
}
void Controller::KeyboardFocusLostEvent()
{
- DALI_ASSERT_DEBUG( mImpl->mTextInput && "Unexpected KeyboardFocusLostEvent" );
+ DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyboardFocusLostEvent" );
- if( mImpl->mTextInput )
+ if( mImpl->mEventData )
{
- TextInput::Event event( TextInput::KEYBOARD_FOCUS_LOST_EVENT );
- mImpl->mTextInput->mEventQueue.push_back( event );
+ mImpl->ChangeState( EventData::INACTIVE );
+
+ if( mImpl->IsShowingPlaceholderText() )
+ {
+ // Revert to regular placeholder-text when not editing
+ ShowPlaceholderText();
+ }
- RequestRelayout();
+ mImpl->RequestRelayout();
}
}
bool Controller::KeyEvent( const Dali::KeyEvent& keyEvent )
{
- DALI_ASSERT_DEBUG( mImpl->mTextInput && "Unexpected KeyEvent" );
+ DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyEvent" );
+
+ bool textChanged( false );
- if( mImpl->mTextInput &&
+ if( mImpl->mEventData &&
keyEvent.state == KeyEvent::Down )
{
int keyCode = keyEvent.keyCode;
Dali::DALI_KEY_CURSOR_UP == keyCode ||
Dali::DALI_KEY_CURSOR_DOWN == keyCode )
{
- TextInput::Event event( TextInput::CURSOR_KEY_EVENT );
+ Event event( Event::CURSOR_KEY_EVENT );
event.p1.mInt = keyCode;
- mImpl->mTextInput->mEventQueue.push_back( event );
+ mImpl->mEventData->mEventQueue.push_back( event );
}
else if( Dali::DALI_KEY_BACKSPACE == keyCode )
{
- // Queue a delete event
- ModifyEvent event;
- event.type = DELETE_TEXT;
- mImpl->mModifyEvents.push_back( event );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p DALI_KEY_BACKSPACE\n", this );
+
+ // IMF manager is no longer handling key-events
+ mImpl->ClearPreEditFlag();
+
+ // Remove the character before the current cursor position
+ bool removed = RemoveText( -1, 1 );
+
+ if( removed )
+ {
+ if( 0u == mImpl->mLogicalModel->mText.Count() )
+ {
+ ShowPlaceholderText();
+ mImpl->mEventData->mUpdateCursorPosition = true;
+ }
+ else
+ {
+ mImpl->QueueModifyEvent( ModifyEvent::TEXT_DELETED );
+ }
+
+ textChanged = true;
+ }
}
- else if( !keyString.empty() )
+ else
{
- // Queue an insert event
- ModifyEvent event;
- event.type = INSERT_TEXT;
- event.text = keyString;
- mImpl->mModifyEvents.push_back( event );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p keyString %s\n", this, keyString.c_str() );
+
+ // IMF manager is no longer handling key-events
+ mImpl->ClearPreEditFlag();
+
+ InsertText( keyString, COMMIT );
+
+ textChanged = true;
}
- RequestRelayout();
+ mImpl->ChangeState( EventData::EDITING ); // todo Confirm this is the best place to change the state of
+
+ mImpl->RequestRelayout();
+ }
+
+ if( textChanged )
+ {
+ // Do this last since it provides callbacks into application code
+ mImpl->mControlInterface.TextChanged();
}
return false;
}
+void Controller::InsertText( const std::string& text, Controller::InsertType type )
+{
+ bool removedPreEdit( false );
+ bool maxLengthReached( false );
+
+ DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected InsertText" )
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::InsertText %p %s (%s) mPrimaryCursorPosition %d mPreEditFlag %d mPreEditStartPosition %d mPreEditLength %d\n",
+ this, text.c_str(), (COMMIT == type ? "COMMIT" : "PRE_EDIT"),
+ mImpl->mEventData->mPrimaryCursorPosition, mImpl->mEventData->mPreEditFlag, mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
+
+ Vector<Character> utf32Characters;
+ Length characterCount( 0u );
+
+ if( ! text.empty() )
+ {
+ // The placeholder text is no longer needed
+ if( mImpl->IsShowingPlaceholderText() )
+ {
+ ResetText();
+ }
+
+ // Convert text into UTF-32
+ utf32Characters.Resize( text.size() );
+
+ // This is a bit horrible but std::string returns a (signed) char*
+ const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
+
+ // Transform a text array encoded in utf8 into an array encoded in utf32.
+ // It returns the actual number of characters.
+ characterCount = Utf8ToUtf32( utf8, text.size(), utf32Characters.Begin() );
+ utf32Characters.Resize( characterCount );
+
+ DALI_ASSERT_DEBUG( text.size() >= utf32Characters.Count() && "Invalid UTF32 conversion length" );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "UTF8 size %d, UTF32 size %d\n", text.size(), utf32Characters.Count() );
+ }
+
+ if( 0u != utf32Characters.Count() )
+ {
+ // Handle the IMF (predicitive text) state changes
+ if( mImpl->mEventData )
+ {
+ if( mImpl->mEventData->mPreEditFlag &&
+ 0 != mImpl->mEventData->mPreEditLength )
+ {
+ // Remove previous pre-edit text
+ CharacterIndex offset = mImpl->mEventData->mPrimaryCursorPosition - mImpl->mEventData->mPreEditStartPosition;
+ removedPreEdit = RemoveText( -static_cast<int>(offset), mImpl->mEventData->mPreEditLength );
+
+ mImpl->mEventData->mPrimaryCursorPosition = mImpl->mEventData->mPreEditStartPosition;
+ mImpl->mEventData->mPreEditLength = 0;
+ }
+
+ if( COMMIT == type )
+ {
+ // IMF manager is no longer handling key-events
+ mImpl->ClearPreEditFlag();
+ }
+ else // PRE_EDIT
+ {
+ if( ! mImpl->mEventData->mPreEditFlag )
+ {
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Entered PreEdit state" );
+
+ // Record the start of the pre-edit text
+ mImpl->mEventData->mPreEditStartPosition = mImpl->mEventData->mPrimaryCursorPosition;
+ }
+
+ mImpl->mEventData->mPreEditLength = utf32Characters.Count();
+ mImpl->mEventData->mPreEditFlag = true;
+
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "mPreEditStartPosition %d mPreEditLength %d\n", mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
+ }
+ }
+
+ const Length numberOfCharactersInModel = mImpl->mLogicalModel->GetNumberOfCharacters();
+
+ // Restrict new text to fit within Maximum characters setting
+ Length maxSizeOfNewText = std::min ( ( mImpl->mMaximumNumberOfCharacters - numberOfCharactersInModel ), characterCount );
+ maxLengthReached = ( characterCount > maxSizeOfNewText );
+
+ // Insert at current cursor position
+ CharacterIndex& cursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
+
+ Vector<Character>& modifyText = mImpl->mLogicalModel->mText;
+
+ if( cursorIndex < numberOfCharactersInModel )
+ {
+ modifyText.Insert( modifyText.Begin() + cursorIndex, utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText );
+ }
+ else
+ {
+ modifyText.Insert( modifyText.End(), utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText );
+ }
+
+ cursorIndex += maxSizeOfNewText;
+
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Inserted %d characters, new size %d new cursor %d\n", maxSizeOfNewText, mImpl->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition );
+ }
+
+ if( removedPreEdit ||
+ 0 != utf32Characters.Count() )
+ {
+ // Queue an inserted event
+ mImpl->QueueModifyEvent( ModifyEvent::TEXT_INSERTED );
+ }
+
+ if( maxLengthReached )
+ {
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "MaxLengthReached (%d)\n", mImpl->mLogicalModel->mText.Count() );
+
+ mImpl->ResetImfManager();
+
+ // Do this last since it provides callbacks into application code
+ mImpl->mControlInterface.MaxLengthReached();
+ }
+}
+
void Controller::TapEvent( unsigned int tapCount, float x, float y )
{
- DALI_ASSERT_DEBUG( mImpl->mTextInput && "Unexpected TapEvent" );
+ DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected TapEvent" );
+
+ if( NULL != mImpl->mEventData )
+ {
+ if( 1u == tapCount )
+ {
+ bool tapDuringEditMode( EventData::EDITING == mImpl->mEventData->mState );
+
+ if( ! mImpl->IsShowingPlaceholderText() &&
+ EventData::EDITING == mImpl->mEventData->mState )
+ {
+ // Grab handle is not shown until a tap is received whilst EDITING
+ if( tapDuringEditMode )
+ {
+ mImpl->mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+ }
+ mImpl->mEventData->mDecorator->SetPopupActive( false );
+ }
+
+ mImpl->ChangeState( EventData::EDITING );
+ }
+ else if( mImpl->mEventData->mSelectionEnabled &&
+ ( 2u == tapCount ) )
+ {
+ mImpl->ChangeState( EventData::SELECTING );
+ }
+ }
- if( mImpl->mTextInput )
+ // Handles & cursors must be repositioned after Relayout() i.e. after the Model has been updated
+ if( mImpl->mEventData )
{
- TextInput::Event event( TextInput::TAP_EVENT );
+ Event event( Event::TAP_EVENT );
event.p1.mUint = tapCount;
event.p2.mFloat = x;
event.p3.mFloat = y;
- mImpl->mTextInput->mEventQueue.push_back( event );
+ mImpl->mEventData->mEventQueue.push_back( event );
- RequestRelayout();
+ mImpl->RequestRelayout();
}
+
+ // Reset keyboard as tap event has occurred.
+ mImpl->ResetImfManager();
}
void Controller::PanEvent( Gesture::State state, const Vector2& displacement )
{
- DALI_ASSERT_DEBUG( mImpl->mTextInput && "Unexpected PanEvent" );
+ DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected PanEvent" );
- if( mImpl->mTextInput )
+ if( mImpl->mEventData )
{
- TextInput::Event event( TextInput::PAN_EVENT );
+ Event event( Event::PAN_EVENT );
event.p1.mInt = state;
event.p2.mFloat = displacement.x;
event.p3.mFloat = displacement.y;
- mImpl->mTextInput->mEventQueue.push_back( event );
+ mImpl->mEventData->mEventQueue.push_back( event );
- RequestRelayout();
+ mImpl->RequestRelayout();
}
}
-void Controller::GrabHandleEvent( GrabHandleState state, float x, float y )
+void Controller::GetTargetSize( Vector2& targetSize )
+{
+ targetSize = mImpl->mControlSize;
+}
+
+void Controller::AddDecoration( Actor& actor )
{
- DALI_ASSERT_DEBUG( mImpl->mTextInput && "Unexpected GrabHandleEvent" );
+ mImpl->mControlInterface.AddDecoration( actor );
+}
+
+void Controller::DecorationEvent( HandleType handleType, HandleState state, float x, float y )
+{
+ DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected DecorationEvent" );
- if( mImpl->mTextInput )
+ if( mImpl->mEventData )
{
- TextInput::Event event( TextInput::GRAB_HANDLE_EVENT );
- event.p1.mUint = state;
- event.p2.mFloat = x;
- event.p3.mFloat = y;
- mImpl->mTextInput->mEventQueue.push_back( event );
+ switch( handleType )
+ {
+ case GRAB_HANDLE:
+ {
+ Event event( Event::GRAB_HANDLE_EVENT );
+ event.p1.mUint = state;
+ event.p2.mFloat = x;
+ event.p3.mFloat = y;
+
+ mImpl->mEventData->mEventQueue.push_back( event );
+ break;
+ }
+ case LEFT_SELECTION_HANDLE:
+ {
+ Event event( Event::LEFT_SELECTION_HANDLE_EVENT );
+ event.p1.mUint = state;
+ event.p2.mFloat = x;
+ event.p3.mFloat = y;
- RequestRelayout();
+ mImpl->mEventData->mEventQueue.push_back( event );
+ break;
+ }
+ case RIGHT_SELECTION_HANDLE:
+ {
+ Event event( Event::RIGHT_SELECTION_HANDLE_EVENT );
+ event.p1.mUint = state;
+ event.p2.mFloat = x;
+ event.p3.mFloat = y;
+
+ mImpl->mEventData->mEventQueue.push_back( event );
+ break;
+ }
+ case HANDLE_TYPE_COUNT:
+ {
+ DALI_ASSERT_DEBUG( !"Controller::HandleEvent. Unexpected handle type" );
+ }
+ }
+
+ mImpl->RequestRelayout();
}
}
+ImfManager::ImfCallbackData Controller::OnImfEvent( ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent )
+{
+ bool update( false );
+ bool requestRelayout = false;
+
+ std::string text;
+ unsigned int cursorPosition( 0 );
+
+ switch ( imfEvent.eventName )
+ {
+ case ImfManager::COMMIT:
+ {
+ InsertText( imfEvent.predictiveString, Text::Controller::COMMIT );
+ requestRelayout = true;
+ break;
+ }
+ case ImfManager::PREEDIT:
+ {
+ InsertText( imfEvent.predictiveString, Text::Controller::PRE_EDIT );
+ update = true;
+ requestRelayout = true;
+ break;
+ }
+ case ImfManager::DELETESURROUNDING:
+ {
+ RemoveText( imfEvent.cursorOffset, imfEvent.numberOfChars );
+ requestRelayout = true;
+ break;
+ }
+ case ImfManager::GETSURROUNDING:
+ {
+ GetText( text );
+ cursorPosition = GetLogicalCursorPosition();
+
+ imfManager.SetSurroundingText( text );
+ imfManager.SetCursorPosition( cursorPosition );
+ break;
+ }
+ case ImfManager::VOID:
+ {
+ // do nothing
+ break;
+ }
+ } // end switch
+
+ if( ImfManager::GETSURROUNDING != imfEvent.eventName )
+ {
+ GetText( text );
+ cursorPosition = GetLogicalCursorPosition();
+ }
+
+ if( requestRelayout )
+ {
+ mImpl->mOperationsPending = ALL_OPERATIONS;
+ mImpl->RequestRelayout();
+
+ // Do this last since it provides callbacks into application code
+ mImpl->mControlInterface.TextChanged();
+ }
+
+ ImfManager::ImfCallbackData callbackData( update, cursorPosition, text, false );
+
+ return callbackData;
+}
+
+
Controller::~Controller()
{
delete mImpl;
}
+void Controller::ShowPlaceholderText()
+{
+ if( mImpl->IsPlaceholderAvailable() )
+ {
+ DALI_ASSERT_DEBUG( mImpl->mEventData && "No placeholder text available" );
+
+ mImpl->mEventData->mIsShowingPlaceholderText = true;
+
+ // Disable handles when showing place-holder text
+ mImpl->mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
+ mImpl->mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mImpl->mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+
+ const char* text( NULL );
+ size_t size( 0 );
+
+ // TODO - Switch placeholder text styles when changing state
+ if( EventData::INACTIVE != mImpl->mEventData->mState &&
+ 0u != mImpl->mEventData->mPlaceholderTextActive.c_str() )
+ {
+ text = mImpl->mEventData->mPlaceholderTextActive.c_str();
+ size = mImpl->mEventData->mPlaceholderTextActive.size();
+ }
+ else
+ {
+ text = mImpl->mEventData->mPlaceholderTextInactive.c_str();
+ size = mImpl->mEventData->mPlaceholderTextInactive.size();
+ }
+
+ // Reset model for showing placeholder.
+ mImpl->mLogicalModel->mText.Clear();
+ ClearModelData();
+ mImpl->mVisualModel->SetTextColor( mImpl->mEventData->mPlaceholderTextColor );
+
+ // Convert text into UTF-32
+ Vector<Character>& utf32Characters = mImpl->mLogicalModel->mText;
+ utf32Characters.Resize( size );
+
+ // This is a bit horrible but std::string returns a (signed) char*
+ const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text );
+
+ // Transform a text array encoded in utf8 into an array encoded in utf32.
+ // It returns the actual number of characters.
+ Length characterCount = Utf8ToUtf32( utf8, size, utf32Characters.Begin() );
+ utf32Characters.Resize( characterCount );
+
+ // Reset the cursor position
+ mImpl->mEventData->mPrimaryCursorPosition = 0;
+
+ // The natural size needs to be re-calculated.
+ mImpl->mRecalculateNaturalSize = true;
+
+ // Apply modifications to the model
+ mImpl->mOperationsPending = ALL_OPERATIONS;
+
+ // Update the rest of the model during size negotiation
+ mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED );
+ }
+}
+
+void Controller::ClearModelData()
+{
+ // n.b. This does not Clear the mText from mLogicalModel
+ mImpl->mLogicalModel->mScriptRuns.Clear();
+ mImpl->mLogicalModel->mFontRuns.Clear();
+ mImpl->mLogicalModel->mLineBreakInfo.Clear();
+ mImpl->mLogicalModel->mWordBreakInfo.Clear();
+ mImpl->mLogicalModel->mBidirectionalParagraphInfo.Clear();
+ mImpl->mLogicalModel->mCharacterDirections.Clear();
+ mImpl->mLogicalModel->mBidirectionalLineInfo.Clear();
+ mImpl->mLogicalModel->mLogicalToVisualMap.Clear();
+ mImpl->mLogicalModel->mVisualToLogicalMap.Clear();
+ mImpl->mVisualModel->mGlyphs.Clear();
+ mImpl->mVisualModel->mGlyphsToCharacters.Clear();
+ mImpl->mVisualModel->mCharactersToGlyph.Clear();
+ mImpl->mVisualModel->mCharactersPerGlyph.Clear();
+ mImpl->mVisualModel->mGlyphsPerCharacter.Clear();
+ mImpl->mVisualModel->mGlyphPositions.Clear();
+ mImpl->mVisualModel->mLines.Clear();
+ mImpl->mVisualModel->ClearCaches();
+}
+
+void Controller::ClearFontData()
+{
+ mImpl->mFontDefaults->mFontId = 0u; // Remove old font ID
+ mImpl->mLogicalModel->mFontRuns.Clear();
+ mImpl->mVisualModel->mGlyphs.Clear();
+ mImpl->mVisualModel->mGlyphsToCharacters.Clear();
+ mImpl->mVisualModel->mCharactersToGlyph.Clear();
+ mImpl->mVisualModel->mCharactersPerGlyph.Clear();
+ mImpl->mVisualModel->mGlyphsPerCharacter.Clear();
+ mImpl->mVisualModel->mGlyphPositions.Clear();
+ mImpl->mVisualModel->mLines.Clear();
+ mImpl->mVisualModel->ClearCaches();
+}
+
Controller::Controller( ControlInterface& controlInterface )
: mImpl( NULL )
{
projects / platform / core / uifw / dali-toolkit.git / blobdiff