field.SetProperty( TextField::Property::CURSOR_BLINK_DURATION, 10.0f );
DALI_TEST_EQUALS( field.GetProperty<float>( TextField::Property::CURSOR_BLINK_DURATION ), 10.0f, TEST_LOCATION );
- // Blink interval gets converted to milliseconds....
+ // Blink interval
field.SetProperty( TextField::Property::CURSOR_BLINK_INTERVAL, 1.0f );
- DALI_TEST_EQUALS( field.GetProperty<float>( TextField::Property::CURSOR_BLINK_INTERVAL ), 1000.0f, TEST_LOCATION );
+ DALI_TEST_EQUALS( field.GetProperty<float>( TextField::Property::CURSOR_BLINK_INTERVAL ), 1.0f, TEST_LOCATION );
// Decoration bounding box
field.SetProperty( TextField::Property::DECORATION_BOUNDING_BOX, Rect<int>( 0, 0, 1, 1 ) );
$(toolkit_src_dir)/text/shaper.cpp \
$(toolkit_src_dir)/text/text-control-interface.cpp \
$(toolkit_src_dir)/text/text-controller.cpp \
+ $(toolkit_src_dir)/text/text-controller-impl.cpp \
$(toolkit_src_dir)/text/text-io.cpp \
$(toolkit_src_dir)/text/text-view.cpp \
$(toolkit_src_dir)/text/text-view-interface.cpp \
#endif
-
namespace Dali
{
namespace Internal
const Dali::Vector3 DEFAULT_GRAB_HANDLE_RELATIVE_SIZE( 1.5f, 2.0f, 1.0f );
const Dali::Vector3 DEFAULT_SELECTION_HANDLE_RELATIVE_SIZE( 1.5f, 1.5f, 1.0f );
-const std::size_t CURSOR_BLINK_INTERVAL = 500; // Cursor blink interval
-const std::size_t MILLISECONDS = 1000;
+const unsigned int CURSOR_BLINK_INTERVAL = 500u; // Cursor blink interval
+const float TO_MILLISECONDS = 1000.f;
+const float TO_SECONDS = 1.f / 1000.f;
const float DISPLAYED_HIGHLIGHT_Z_OFFSET( -0.05f );
struct CursorImpl
{
CursorImpl()
- : x(0.0f),
- y(0.0f),
- cursorHeight(0.0f),
- lineHeight(0.0f),
- color(Dali::Color::WHITE)
+ : color( Dali::Color::WHITE ),
+ position(),
+ cursorHeight( 0.0f ),
+ lineHeight( 0.0f )
{
}
- float x;
- float y;
+ Vector4 color;
+ Vector2 position;
float cursorHeight;
float lineHeight;
-
- Vector4 color;
};
struct SelectionHandleImpl
{
SelectionHandleImpl()
- : x(0.0f),
- y(0.0f),
- lineHeight(0.0f),
- flipped(false)
+ : position(),
+ lineHeight( 0.0f ),
+ flipped( false )
{
}
- float x;
- float y;
- float lineHeight; ///< Not the handle height
- bool flipped;
-
ImageActor actor;
Actor grabArea;
Image pressedImage;
Image releasedImage;
+
+ Vector2 position;
+ float lineHeight; ///< Not the handle height
+ bool flipped;
};
Impl( Dali::Toolkit::Internal::Control& parent, Observer& observer )
- : mTextControlParent(parent),
- mObserver(observer),
- mActiveCursor(ACTIVE_CURSOR_NONE),
- mActiveGrabHandle(false),
- mActiveSelection( false ),
- mActiveCopyPastePopup( false ),
+ : mTextControlParent( parent ),
+ mObserver( observer ),
+ mBoundingBox( Rect<int>() ),
+ mHighlightColor( 0.07f, 0.41f, 0.59f, 1.0f ), // light blue
+ mActiveCursor( ACTIVE_CURSOR_NONE ),
mCursorBlinkInterval( CURSOR_BLINK_INTERVAL ),
mCursorBlinkDuration( 0.0f ),
- mCursorBlinkStatus( true ),
mGrabDisplacementX( 0.0f ),
mGrabDisplacementY( 0.0f ),
- mHighlightColor( 0.07f, 0.41f, 0.59f, 1.0f ), // light blue
- mBoundingBox( Rect<int>() )
+ mActiveGrabHandle( false ),
+ mActiveSelection( false ),
+ mActiveCopyPastePopup( false ),
+ mCursorBlinkStatus( true )
{
}
/**
* Relayout of the decorations owned by the decorator.
- * @param[in] size The Size of the UI control the decorater is adding it's decorations to.
+ * @param[in] size The Size of the UI control the decorator is adding it's decorations to.
*/
void Relayout( const Vector2& size, const Vector2& scrollPosition )
{
CreateCursors();
if( mPrimaryCursor )
{
- mPrimaryCursor.SetPosition( mCursor[PRIMARY_CURSOR].x + scrollPosition.x,
- mCursor[PRIMARY_CURSOR].y + scrollPosition.y );
+ mPrimaryCursor.SetPosition( mCursor[PRIMARY_CURSOR].position.x + scrollPosition.x,
+ mCursor[PRIMARY_CURSOR].position.y + scrollPosition.y );
mPrimaryCursor.SetSize( Size( 1.0f, mCursor[PRIMARY_CURSOR].cursorHeight ) );
}
if( mSecondaryCursor )
{
- mSecondaryCursor.SetPosition( mCursor[SECONDARY_CURSOR].x + scrollPosition.x,
- mCursor[SECONDARY_CURSOR].y + scrollPosition.y );
+ mSecondaryCursor.SetPosition( mCursor[SECONDARY_CURSOR].position.x + scrollPosition.x,
+ mCursor[SECONDARY_CURSOR].position.y + scrollPosition.y );
mSecondaryCursor.SetSize( Size( 1.0f, mCursor[SECONDARY_CURSOR].cursorHeight ) );
}
CreateGrabHandle();
- mGrabHandle.SetPosition( mCursor[PRIMARY_CURSOR].x + scrollPosition.x,
- mCursor[PRIMARY_CURSOR].lineHeight + scrollPosition.y );
+ mGrabHandle.SetPosition( mCursor[PRIMARY_CURSOR].position.x + scrollPosition.x,
+ mCursor[PRIMARY_CURSOR].position.y + mCursor[PRIMARY_CURSOR].lineHeight + scrollPosition.y );
}
else if( mGrabHandle )
{
CreateSelectionHandles();
SelectionHandleImpl& primary = mSelectionHandle[ PRIMARY_SELECTION_HANDLE ];
- primary.actor.SetPosition( primary.x + scrollPosition.x,
- primary.lineHeight + scrollPosition.y );
+ primary.actor.SetPosition( primary.position.x + scrollPosition.x,
+ primary.position.y + primary.lineHeight + scrollPosition.y );
SelectionHandleImpl& secondary = mSelectionHandle[ SECONDARY_SELECTION_HANDLE ];
- secondary.actor.SetPosition( secondary.x + scrollPosition.x,
- secondary.lineHeight + scrollPosition.y );
+ secondary.actor.SetPosition( secondary.position.x + scrollPosition.x,
+ secondary.position.y + secondary.lineHeight + scrollPosition.y );
CreateHighlight();
UpdateHighlight();
mCopyPastePopup.OnRelayoutSignal().Disconnect( this, &Decorator::Impl::PopUpRelayoutComplete );
- Vector3 popupPosition( mCursor[PRIMARY_CURSOR].x, mCursor[PRIMARY_CURSOR].y -100.0f , 0.0f); //todo 100 to be an offset Property
+ Vector3 popupPosition( mCursor[PRIMARY_CURSOR].position.x, mCursor[PRIMARY_CURSOR].position.y -100.0f , 0.0f); //todo 100 to be an offset Property
Vector3 popupSize = Vector3( mCopyPastePopup.GetRelayoutSize( Dimension::WIDTH ), mCopyPastePopup.GetRelayoutSize( Dimension::HEIGHT ), 0.0f );
#ifdef DECORATOR_DEBUG
mPrimaryCursor.SetName( "PrimaryCursorActor" );
#endif
- mActiveLayer.Add( mPrimaryCursor);
+ mActiveLayer.Add( mPrimaryCursor );
}
}
#ifdef DECORATOR_DEBUG
mSecondaryCursor.SetName( "SecondaryCursorActor" );
#endif
- mActiveLayer.Add( mSecondaryCursor);
+ mActiveLayer.Add( mSecondaryCursor );
}
}
else
mGrabDisplacementX += gesture.displacement.x;
mGrabDisplacementY += gesture.displacement.y;
- float x = mCursor[PRIMARY_CURSOR].x + mGrabDisplacementX;
- float y = mCursor[PRIMARY_CURSOR].y + mCursor[PRIMARY_CURSOR].lineHeight*0.5f + mGrabDisplacementY;
+ const float x = mCursor[PRIMARY_CURSOR].position.x + mGrabDisplacementX;
+ const float y = mCursor[PRIMARY_CURSOR].position.y + mCursor[PRIMARY_CURSOR].lineHeight*0.5f + mGrabDisplacementY;
if( Gesture::Started == gesture.state ||
Gesture::Continuing == gesture.state )
if ( mPrimaryCursor ) // Secondary cursor not used for paste
{
Cursor cursor = PRIMARY_CURSOR;
- alternativePosition = mCursor[cursor].y;
+ alternativePosition = mCursor[cursor].position.y;
}
const float popupHeight = 120.0f; // todo Set as a MaxSize Property in Control or retrieve from CopyPastePopup class.
- if ( mActiveGrabHandle )
+ if( mActiveGrabHandle )
{
// If grab handle enabled then position pop-up below the grab handle.
const Vector2 grabHandleSize( 59.0f, 56.0f ); // todo
requiredPopupPosition.x = requiredPopupPosition.x + xOffSetToKeepWithinBounds;
}
- Internal::Control& mTextControlParent;
- Observer& mObserver;
+ Internal::Control& mTextControlParent;
+ Observer& mObserver;
- Layer mActiveLayer; // Layer for active handles and alike that ensures they are above all else.
+ TapGestureDetector mTapDetector;
+ PanGestureDetector mPanGestureDetector;
+ Timer mCursorBlinkTimer; ///< Timer to signal cursor to blink
- unsigned int mActiveCursor;
- bool mActiveGrabHandle;
- bool mActiveSelection;
- bool mActiveCopyPastePopup;
+ Layer mActiveLayer; ///< Layer for active handles and alike that ensures they are above all else.
+ ImageActor mPrimaryCursor;
+ ImageActor mSecondaryCursor;
+ ImageActor mGrabHandle;
+ Actor mGrabArea;
+ MeshActor mHighlightMeshActor; ///< Mesh Actor to display highlight
+ TextSelectionPopup mCopyPastePopup;
- CursorImpl mCursor[CURSOR_COUNT];
-
- Timer mCursorBlinkTimer; // Timer to signal cursor to blink
- unsigned int mCursorBlinkInterval;
- float mCursorBlinkDuration;
- bool mCursorBlinkStatus; // Flag to switch between blink on and blink off
-
- ImageActor mPrimaryCursor;
- ImageActor mSecondaryCursor;
-
- ImageActor mGrabHandle;
- Actor mGrabArea;
- float mGrabDisplacementX;
- float mGrabDisplacementY;
+ Image mCursorImage;
+ Image mGrabHandleImage;
+ Mesh mHighlightMesh; ///< Mesh for highlight
+ MeshData mHighlightMeshData; ///< Mesh Data for highlight
+ Material mHighlightMaterial; ///< Material used for highlight
+ CursorImpl mCursor[CURSOR_COUNT];
SelectionHandleImpl mSelectionHandle[SELECTION_HANDLE_COUNT];
+ QuadContainer mHighlightQuadList; ///< Sub-selections that combine to create the complete selection highlight
- MeshActor mHighlightMeshActor; ///< Mesh Actor to display highlight
- Mesh mHighlightMesh; ///< Mesh for highlight
- MeshData mHighlightMeshData; ///< Mesh Data for highlight
- Material mHighlightMaterial; ///< Material used for highlight
- Vector4 mHighlightColor; ///< Color of the highlight
- QuadContainer mHighlightQuadList; ///< Sub-selections that combine to create the complete selection highlight
-
- TextSelectionPopup mCopyPastePopup;
-
- Image mCursorImage;
- Image mGrabHandleImage;
+ Rect<int> mBoundingBox;
+ Vector4 mHighlightColor; ///< Color of the highlight
- TapGestureDetector mTapDetector;
- PanGestureDetector mPanGestureDetector;
+ unsigned int mActiveCursor;
+ unsigned int mCursorBlinkInterval;
+ float mCursorBlinkDuration;
+ float mGrabDisplacementX;
+ float mGrabDisplacementY;
- Rect<int> mBoundingBox;
+ bool mActiveGrabHandle:1;
+ bool mActiveSelection:1;
+ bool mActiveCopyPastePopup:1;
+ bool mCursorBlinkStatus:1; ///< Flag to switch between blink on and blink off
};
DecoratorPtr Decorator::New( Internal::Control& parent, Observer& observer )
void Decorator::SetPosition( Cursor cursor, float x, float y, float cursorHeight, float lineHeight )
{
// Adjust grab handle displacement
- mImpl->mGrabDisplacementX -= x - mImpl->mCursor[cursor].x;
- mImpl->mGrabDisplacementY -= y - mImpl->mCursor[cursor].y;
+ mImpl->mGrabDisplacementX -= x - mImpl->mCursor[cursor].position.x;
+ mImpl->mGrabDisplacementY -= y - mImpl->mCursor[cursor].position.y;
- mImpl->mCursor[cursor].x = x;
- mImpl->mCursor[cursor].y = y;
+ mImpl->mCursor[cursor].position.x = x;
+ mImpl->mCursor[cursor].position.y = y;
mImpl->mCursor[cursor].cursorHeight = cursorHeight;
mImpl->mCursor[cursor].lineHeight = lineHeight;
}
void Decorator::GetPosition( Cursor cursor, float& x, float& y, float& cursorHeight, float& lineHeight ) const
{
- x = mImpl->mCursor[cursor].x;
- y = mImpl->mCursor[cursor].y;
+ x = mImpl->mCursor[cursor].position.x;
+ y = mImpl->mCursor[cursor].position.y;
cursorHeight = mImpl->mCursor[cursor].cursorHeight;
lineHeight = mImpl->mCursor[cursor].lineHeight;
}
void Decorator::SetCursorBlinkInterval( float seconds )
{
- mImpl->mCursorBlinkInterval = seconds*MILLISECONDS; // Convert to milliseconds
+ mImpl->mCursorBlinkInterval = static_cast<unsigned int>( seconds * TO_MILLISECONDS ); // Convert to milliseconds
}
float Decorator::GetCursorBlinkInterval() const
{
- return mImpl->mCursorBlinkInterval;
+ return static_cast<float>( mImpl->mCursorBlinkInterval ) * TO_SECONDS;
}
void Decorator::SetCursorBlinkDuration( float seconds )
void Decorator::SetPosition( SelectionHandle handle, float x, float y, float height )
{
- mImpl->mSelectionHandle[handle].x = x;
- mImpl->mSelectionHandle[handle].y = y;
+ mImpl->mSelectionHandle[handle].position.x = x;
+ mImpl->mSelectionHandle[handle].position.y = y;
mImpl->mSelectionHandle[handle].lineHeight = height;
}
void Decorator::GetPosition( SelectionHandle handle, float& x, float& y, float& height ) const
{
- x = mImpl->mSelectionHandle[handle].x;
- y = mImpl->mSelectionHandle[handle].y;
+ x = mImpl->mSelectionHandle[handle].position.x;
+ y = mImpl->mSelectionHandle[handle].position.y;
height = mImpl->mSelectionHandle[handle].lineHeight;
}
void SetPosition( Cursor cursor, float x, float y, float cursorHeight, float lineHeight );
/**
- * @brief Retrieves the position of a cursor.
+ * @brief Retrieves the position, height and lineHeight of a cursor.
*
* @param[in] cursor The cursor to get.
* @param[out] x The x position relative to the top-left of the parent control.
*/
bool IsPopupActive() const;
-
protected:
/**
--- /dev/null
+/*
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// CLASS HEADER
+#include <dali-toolkit/internal/text/text-controller-impl.h>
+
+// EXTERNAL INCLUDES
+#include <dali/public-api/adaptor-framework/key.h>
+
+namespace
+{
+
+/**
+ * @brief Some characters can be shaped in more than one glyph.
+ * This struct is used to retrieve metrics from these group of glyphs.
+ */
+struct GlyphMetrics
+{
+ GlyphMetrics()
+ : fontHeight( 0.f ),
+ advance( 0.f ),
+ ascender( 0.f ),
+ xBearing( 0.f )
+ {}
+
+ ~GlyphMetrics()
+ {}
+
+ float fontHeight; ///< The font's height of that glyphs.
+ float advance; ///< The sum of all the advances of all the glyphs.
+ float ascender; ///< The font's ascender.
+ float xBearing; ///< The x bearing of the first glyph.
+};
+
+const std::string EMPTY_STRING("");
+
+} // namespace
+
+namespace Dali
+{
+
+namespace Toolkit
+{
+
+namespace Text
+{
+
+/**
+ * @brief Get some glyph's metrics of a group of glyphs formed as a result of shaping one character.
+ *
+ * @param[in] glyphIndex The index to the first glyph.
+ * @param[in] numberOfGlyphs The number of glyphs.
+ * @param[out] glyphMetrics Some glyph metrics (font height, advance, ascender and x bearing).
+ * @param[in]
+ * @param[in]
+ */
+void GetGlyphsMetrics( GlyphIndex glyphIndex,
+ Length numberOfGlyphs,
+ GlyphMetrics& glyphMetrics,
+ VisualModelPtr visualModel,
+ TextAbstraction::FontClient& fontClient )
+{
+ const GlyphInfo* glyphsBuffer = visualModel->mGlyphs.Begin();
+
+ const GlyphInfo& firstGlyph = *( glyphsBuffer + glyphIndex );
+
+ Text::FontMetrics fontMetrics;
+ fontClient.GetFontMetrics( firstGlyph.fontId, fontMetrics );
+
+ glyphMetrics.fontHeight = fontMetrics.height;
+ glyphMetrics.advance = firstGlyph.advance;
+ glyphMetrics.ascender = fontMetrics.ascender;
+ glyphMetrics.xBearing = firstGlyph.xBearing;
+
+ for( unsigned int i = 1u; i < numberOfGlyphs; ++i )
+ {
+ const GlyphInfo& glyphInfo = *( glyphsBuffer + glyphIndex + i );
+
+ glyphMetrics.advance += glyphInfo.advance;
+ }
+}
+
+EventData::EventData( DecoratorPtr decorator )
+: mDecorator( decorator ),
+ mPlaceholderText(),
+ mEventQueue(),
+ mScrollPosition(),
+ mState( INACTIVE ),
+ mPrimaryCursorPosition( 0u ),
+ mSecondaryCursorPosition( 0u ),
+ mDecoratorUpdated( false ),
+ mCursorBlinkEnabled( true ),
+ mGrabHandleEnabled( true ),
+ mGrabHandlePopupEnabled( true ),
+ mSelectionEnabled( true ),
+ mHorizontalScrollingEnabled( true ),
+ mVerticalScrollingEnabled( false ),
+ mUpdateCursorPosition( false )
+{}
+
+EventData::~EventData()
+{}
+
+bool Controller::Impl::ProcessInputEvents()
+{
+ if( NULL == mEventData )
+ {
+ // Nothing to do if there is no text input.
+ return false;
+ }
+
+ mEventData->mDecoratorUpdated = false;
+
+ if( mEventData->mDecorator )
+ {
+ for( std::vector<Event>::iterator iter = mEventData->mEventQueue.begin();
+ iter != mEventData->mEventQueue.end();
+ ++iter )
+ {
+ switch( iter->type )
+ {
+ case Event::KEYBOARD_FOCUS_GAIN_EVENT:
+ {
+ OnKeyboardFocus( true );
+ break;
+ }
+ case Event::KEYBOARD_FOCUS_LOST_EVENT:
+ {
+ OnKeyboardFocus( false );
+ break;
+ }
+ case Event::CURSOR_KEY_EVENT:
+ {
+ OnCursorKeyEvent( *iter );
+ break;
+ }
+ case Event::TAP_EVENT:
+ {
+ OnTapEvent( *iter );
+ break;
+ }
+ case Event::PAN_EVENT:
+ {
+ OnPanEvent( *iter );
+ break;
+ }
+ case Event::GRAB_HANDLE_EVENT:
+ {
+ OnGrabHandleEvent( *iter );
+ break;
+ }
+ }
+ }
+ }
+
+ // The cursor must also be repositioned after inserts into the model
+ if( mEventData->mUpdateCursorPosition )
+ {
+ UpdateCursorPosition();
+ mEventData->mUpdateCursorPosition = false;
+ }
+
+ mEventData->mEventQueue.clear();
+
+ return mEventData->mDecoratorUpdated;
+}
+
+void Controller::Impl::OnKeyboardFocus( bool hasFocus )
+{
+ if( NULL == mEventData )
+ {
+ // Nothing to do if there is no text input.
+ return;
+ }
+
+ if( !hasFocus )
+ {
+ ChangeState( EventData::INACTIVE );
+ }
+ else
+ {
+ ChangeState( EventData::EDITING );
+ }
+}
+
+void Controller::Impl::OnCursorKeyEvent( const Event& event )
+{
+ if( NULL == mEventData )
+ {
+ // Nothing to do if there is no text input.
+ return;
+ }
+
+ int keyCode = event.p1.mInt;
+
+ if( Dali::DALI_KEY_CURSOR_LEFT == keyCode )
+ {
+ if( mEventData->mPrimaryCursorPosition > 0u )
+ {
+ mEventData->mPrimaryCursorPosition = CalculateNewCursorIndex( mEventData->mPrimaryCursorPosition - 1u );
+ }
+ }
+ else if( Dali::DALI_KEY_CURSOR_RIGHT == keyCode )
+ {
+ if( mLogicalModel->GetNumberOfCharacters() > mEventData->mPrimaryCursorPosition )
+ {
+ mEventData->mPrimaryCursorPosition = CalculateNewCursorIndex( mEventData->mPrimaryCursorPosition );
+ }
+ }
+ else if( Dali::DALI_KEY_CURSOR_UP == keyCode )
+ {
+ // TODO
+ }
+ else if( Dali::DALI_KEY_CURSOR_DOWN == keyCode )
+ {
+ // TODO
+ }
+
+ UpdateCursorPosition();
+}
+
+void Controller::Impl::HandleCursorKey( int keyCode )
+{
+ // TODO
+ if( NULL == mEventData )
+ {
+ // Nothing to do if there is no text input.
+ return;
+ }
+}
+
+void Controller::Impl::OnTapEvent( const Event& event )
+{
+ if( NULL == mEventData )
+ {
+ // Nothing to do if there is no text input.
+ return;
+ }
+
+ const unsigned int tapCount = event.p1.mUint;
+
+ if( 1u == tapCount )
+ {
+ ChangeState( EventData::EDITING );
+
+ const float xPosition = event.p2.mFloat - mAlignmentOffset.x;
+ const float yPosition = event.p3.mFloat - mAlignmentOffset.y;
+
+ mEventData->mPrimaryCursorPosition = GetClosestCursorIndex( xPosition,
+ yPosition );
+
+ UpdateCursorPosition();
+ }
+ else if( mEventData->mSelectionEnabled &&
+ ( 2u == tapCount ) )
+ {
+ ChangeState( EventData::SELECTING );
+
+ RepositionSelectionHandles( event.p2.mFloat, event.p3.mFloat );
+ }
+}
+
+void Controller::Impl::OnPanEvent( const Event& event )
+{
+ if( NULL == mEventData )
+ {
+ // Nothing to do if there is no text input.
+ return;
+ }
+
+ int state = event.p1.mInt;
+
+ if( Gesture::Started == state ||
+ Gesture::Continuing == state )
+ {
+ const Vector2& actualSize = mVisualModel->GetActualSize();
+
+ if( mEventData->mHorizontalScrollingEnabled )
+ {
+ const float displacementX = event.p2.mFloat;
+ mEventData->mScrollPosition.x += displacementX;
+
+ // Clamp between -space & 0 (and the text alignment).
+ if( actualSize.width > mControlSize.width )
+ {
+ const float space = ( actualSize.width - mControlSize.width ) + mAlignmentOffset.x;
+ mEventData->mScrollPosition.x = ( mEventData->mScrollPosition.x < -space ) ? -space : mEventData->mScrollPosition.x;
+ mEventData->mScrollPosition.x = ( mEventData->mScrollPosition.x > -mAlignmentOffset.x ) ? -mAlignmentOffset.x : mEventData->mScrollPosition.x;
+
+ mEventData->mDecoratorUpdated = true;
+ }
+ else
+ {
+ mEventData->mScrollPosition.x = 0.f;
+ }
+ }
+
+ if( mEventData->mVerticalScrollingEnabled )
+ {
+ const float displacementY = event.p3.mFloat;
+ mEventData->mScrollPosition.y += displacementY;
+
+ // Clamp between -space & 0 (and the text alignment).
+ if( actualSize.height > mControlSize.height )
+ {
+ const float space = ( actualSize.height - mControlSize.height ) + mAlignmentOffset.y;
+ mEventData->mScrollPosition.y = ( mEventData->mScrollPosition.y < -space ) ? -space : mEventData->mScrollPosition.y;
+ mEventData->mScrollPosition.y = ( mEventData->mScrollPosition.y > -mAlignmentOffset.y ) ? -mAlignmentOffset.y : mEventData->mScrollPosition.y;
+
+ mEventData->mDecoratorUpdated = true;
+ }
+ else
+ {
+ mEventData->mScrollPosition.y = 0.f;
+ }
+ }
+ }
+}
+
+void Controller::Impl::OnGrabHandleEvent( const Event& event )
+{
+ if( NULL == mEventData )
+ {
+ // Nothing to do if there is no text input.
+ return;
+ }
+
+ unsigned int state = event.p1.mUint;
+
+ if( GRAB_HANDLE_PRESSED == state )
+ {
+ float xPosition = event.p2.mFloat + mEventData->mScrollPosition.x;
+ float yPosition = event.p3.mFloat + mEventData->mScrollPosition.y;
+
+ mEventData->mPrimaryCursorPosition = GetClosestCursorIndex( xPosition,
+ yPosition );
+
+ UpdateCursorPosition();
+
+ //mDecorator->HidePopup();
+ ChangeState ( EventData::EDITING );
+ }
+ else if( mEventData->mGrabHandlePopupEnabled &&
+ ( GRAB_HANDLE_RELEASED == state ) )
+ {
+ //mDecorator->ShowPopup();
+ ChangeState ( EventData::EDITING_WITH_POPUP );
+ mEventData->mDecoratorUpdated = true;
+ }
+}
+
+void Controller::Impl::RepositionSelectionHandles( float visualX, float visualY )
+{
+ if( NULL == mEventData )
+ {
+ // Nothing to do if there is no text input.
+ return;
+ }
+
+ // TODO - Find which word was selected
+
+ const Vector<GlyphInfo>& glyphs = mVisualModel->mGlyphs;
+ const Vector<Vector2>::SizeType glyphCount = glyphs.Count();
+
+ const Vector<Vector2>& positions = mVisualModel->mGlyphPositions;
+ const Vector<Vector2>::SizeType positionCount = positions.Count();
+
+ // Guard against glyphs which did not fit inside the layout
+ const Vector<Vector2>::SizeType count = (positionCount < glyphCount) ? positionCount : glyphCount;
+
+ if( count )
+ {
+ float primaryX = positions[0].x;
+ float secondaryX = positions[count-1].x + glyphs[count-1].width;
+
+ // TODO - multi-line selection
+ const Vector<LineRun>& lines = mVisualModel->mLines;
+ float height = lines.Count() ? lines[0].ascender + -lines[0].descender : 0.0f;
+
+ mEventData->mDecorator->SetPosition( PRIMARY_SELECTION_HANDLE, primaryX, 0.0f, height );
+ mEventData->mDecorator->SetPosition( SECONDARY_SELECTION_HANDLE, secondaryX, 0.0f, height );
+
+ mEventData->mDecorator->ClearHighlights();
+ mEventData->mDecorator->AddHighlight( primaryX, 0.0f, secondaryX, height );
+ }
+}
+
+void Controller::Impl::ChangeState( EventData::State newState )
+{
+ if( NULL == mEventData )
+ {
+ // Nothing to do if there is no text input.
+ return;
+ }
+
+ if( mEventData->mState != newState )
+ {
+ mEventData->mState = newState;
+
+ if( EventData::INACTIVE == mEventData->mState )
+ {
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
+ mEventData->mDecorator->StopCursorBlink();
+ mEventData->mDecorator->SetGrabHandleActive( false );
+ mEventData->mDecorator->SetSelectionActive( false );
+ mEventData->mDecorator->SetPopupActive( false );
+ mEventData->mDecoratorUpdated = true;
+ }
+ else if ( EventData::SELECTING == mEventData->mState )
+ {
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
+ mEventData->mDecorator->StopCursorBlink();
+ mEventData->mDecorator->SetGrabHandleActive( false );
+ mEventData->mDecorator->SetSelectionActive( true );
+ mEventData->mDecoratorUpdated = true;
+ }
+ else if( EventData::EDITING == mEventData->mState )
+ {
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ if( mEventData->mCursorBlinkEnabled )
+ {
+ mEventData->mDecorator->StartCursorBlink();
+ }
+ if( mEventData->mGrabHandleEnabled )
+ {
+ mEventData->mDecorator->SetGrabHandleActive( true );
+ }
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ mEventData->mDecorator->SetPopupActive( false );
+ }
+ mEventData->mDecorator->SetSelectionActive( false );
+ mEventData->mDecoratorUpdated = true;
+ }
+ else if( EventData::EDITING_WITH_POPUP == mEventData->mState )
+ {
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ if( mEventData->mCursorBlinkEnabled )
+ {
+ mEventData->mDecorator->StartCursorBlink();
+ }
+ if( mEventData->mGrabHandleEnabled )
+ {
+ mEventData->mDecorator->SetGrabHandleActive( true );
+ }
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ mEventData->mDecorator->SetPopupActive( true );
+ }
+ mEventData->mDecorator->SetSelectionActive( false );
+ mEventData->mDecoratorUpdated = true;
+ }
+ }
+}
+
+LineIndex Controller::Impl::GetClosestLine( float y ) const
+{
+ float totalHeight = 0.f;
+ LineIndex lineIndex = 0u;
+
+ const Vector<LineRun>& lines = mVisualModel->mLines;
+ for( LineIndex endLine = lines.Count();
+ lineIndex < endLine;
+ ++lineIndex )
+ {
+ const LineRun& lineRun = lines[lineIndex];
+ totalHeight += lineRun.ascender + -lineRun.descender;
+ if( y < totalHeight )
+ {
+ return lineIndex;
+ }
+ }
+
+ return lineIndex-1;
+}
+
+CharacterIndex Controller::Impl::GetClosestCursorIndex( float visualX,
+ float visualY )
+{
+ if( NULL == mEventData )
+ {
+ // Nothing to do if there is no text input.
+ return 0u;
+ }
+
+ CharacterIndex logicalIndex = 0u;
+
+ const Length numberOfGlyphs = mVisualModel->mGlyphs.Count();
+ const Length numberOfLines = mVisualModel->mLines.Count();
+ if( 0 == numberOfGlyphs ||
+ 0 == numberOfLines )
+ {
+ return logicalIndex;
+ }
+
+ // Transform to visual model coords
+ visualX -= mEventData->mScrollPosition.x;
+ visualY -= mEventData->mScrollPosition.y;
+
+ // Find which line is closest
+ const LineIndex lineIndex = GetClosestLine( visualY );
+ const LineRun& line = mVisualModel->mLines[lineIndex];
+
+ // Get the positions of the glyphs.
+ const Vector<Vector2>& positions = mVisualModel->mGlyphPositions;
+ const Vector2* const positionsBuffer = positions.Begin();
+
+ // Get the visual to logical conversion tables.
+ const CharacterIndex* const visualToLogicalBuffer = ( 0u != mLogicalModel->mVisualToLogicalMap.Count() ) ? mLogicalModel->mVisualToLogicalMap.Begin() : NULL;
+ const CharacterIndex* const visualToLogicalCursorBuffer = mLogicalModel->mVisualToLogicalCursorMap.Begin();
+
+ // Get the character to glyph conversion table.
+ const GlyphIndex* const charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
+
+ // Get the glyphs per character table.
+ const Length* const glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin();
+
+ // If the vector is void, there is no right to left characters.
+ const bool hasRightToLeftCharacters = NULL != visualToLogicalBuffer;
+
+ const CharacterIndex startCharacter = line.characterRun.characterIndex;
+ const CharacterIndex endCharacter = line.characterRun.characterIndex + line.characterRun.numberOfCharacters;
+ DALI_ASSERT_DEBUG( endCharacter <= mLogicalModel->mText.Count() && "Invalid line info" );
+
+ // Whether there is a hit on a glyph.
+ bool matched = false;
+
+ // Traverses glyphs in visual order. To do that use the visual to logical conversion table.
+ CharacterIndex visualIndex = startCharacter;
+ for( ; !matched && ( visualIndex < endCharacter ); ++visualIndex )
+ {
+ // The character in logical order.
+ const CharacterIndex characterLogicalOrderIndex = hasRightToLeftCharacters ? *( visualToLogicalBuffer + visualIndex ) : visualIndex;
+
+ // The first glyph for that character in logical order.
+ const GlyphIndex glyphLogicalOrderIndex = *( charactersToGlyphBuffer + characterLogicalOrderIndex );
+
+ // The number of glyphs for that character
+ const Length numberOfGlyphs = *( glyphsPerCharacterBuffer + characterLogicalOrderIndex );
+
+ // Get the metrics for the group of glyphs.
+ GlyphMetrics glyphMetrics;
+ GetGlyphsMetrics( glyphLogicalOrderIndex,
+ numberOfGlyphs,
+ glyphMetrics,
+ mVisualModel,
+ mFontClient );
+
+ const Vector2& position = *( positionsBuffer + glyphLogicalOrderIndex );
+
+ const float glyphX = -glyphMetrics.xBearing + position.x + 0.5f * glyphMetrics.advance;
+
+ if( visualX < glyphX )
+ {
+ matched = true;
+ break;
+ }
+ }
+
+ // Return the logical position of the cursor in characters.
+
+ if( !matched )
+ {
+ visualIndex = endCharacter;
+ }
+
+ return hasRightToLeftCharacters ? *( visualToLogicalCursorBuffer + visualIndex ) : visualIndex;
+}
+
+void Controller::Impl::GetCursorPosition( CharacterIndex logical,
+ CursorInfo& cursorInfo )
+{
+ // TODO: Check for multiline with \n, etc...
+
+ // Check if the logical position is the first or the last one of the text.
+ const bool isFirstPosition = 0u == logical;
+ const bool isLastPosition = mLogicalModel->GetNumberOfCharacters() == logical;
+
+ if( isFirstPosition && isLastPosition )
+ {
+ // There is zero characters. Get the default font.
+
+ FontId defaultFontId = 0u;
+ if( NULL == mFontDefaults )
+ {
+ defaultFontId = mFontClient.GetFontId( EMPTY_STRING,
+ EMPTY_STRING );
+ }
+ else
+ {
+ defaultFontId = mFontDefaults->GetFontId( mFontClient );
+ }
+
+ Text::FontMetrics fontMetrics;
+ mFontClient.GetFontMetrics( defaultFontId, fontMetrics );
+
+ cursorInfo.lineHeight = fontMetrics.ascender - fontMetrics.descender;
+ cursorInfo.primaryCursorHeight = cursorInfo.lineHeight;
+
+ cursorInfo.primaryPosition.x = 0.f;
+ cursorInfo.primaryPosition.y = 0.f;
+
+ // Nothing else to do.
+ return;
+ }
+
+ // Get the previous logical index.
+ const CharacterIndex previousLogical = isFirstPosition ? 0u : logical - 1u;
+
+ // Decrease the logical index if it's the last one.
+ if( isLastPosition )
+ {
+ --logical;
+ }
+
+ // Get the direction of the character and the previous one.
+ const CharacterDirection* const modelCharacterDirectionsBuffer = ( 0u != mLogicalModel->mCharacterDirections.Count() ) ? mLogicalModel->mCharacterDirections.Begin() : NULL;
+
+ CharacterDirection isCurrentRightToLeft = false;
+ CharacterDirection isPreviousRightToLeft = false;
+ if( NULL != modelCharacterDirectionsBuffer ) // If modelCharacterDirectionsBuffer is NULL, it means the whole text is left to right.
+ {
+ isCurrentRightToLeft = *( modelCharacterDirectionsBuffer + logical );
+ isPreviousRightToLeft = *( modelCharacterDirectionsBuffer + previousLogical );
+ }
+
+ // Get the line where the character is laid-out.
+ const LineRun* modelLines = mVisualModel->mLines.Begin();
+
+ const LineIndex lineIndex = mVisualModel->GetLineOfCharacter( logical );
+ const LineRun& line = *( modelLines + lineIndex );
+
+ // Get the paragraph's direction.
+ const CharacterDirection isRightToLeftParagraph = line.direction;
+
+ // Check whether there is an alternative position:
+
+ cursorInfo.isSecondaryCursor = ( isCurrentRightToLeft != isPreviousRightToLeft ) ||
+ ( isLastPosition && ( isRightToLeftParagraph != isCurrentRightToLeft ) );
+
+ // Set the line height.
+ cursorInfo.lineHeight = line.ascender + -line.descender;
+
+ // Convert the cursor position into the glyph position.
+ CharacterIndex characterIndex = logical;
+ if( cursorInfo.isSecondaryCursor &&
+ ( isRightToLeftParagraph != isCurrentRightToLeft ) )
+ {
+ characterIndex = previousLogical;
+ }
+
+ const GlyphIndex currentGlyphIndex = *( mVisualModel->mCharactersToGlyph.Begin() + characterIndex );
+ const Length numberOfGlyphs = *( mVisualModel->mGlyphsPerCharacter.Begin() + characterIndex );
+ const Length numberOfCharacters = *( mVisualModel->mCharactersPerGlyph.Begin() +currentGlyphIndex );
+
+ // Get the metrics for the group of glyphs.
+ GlyphMetrics glyphMetrics;
+ GetGlyphsMetrics( currentGlyphIndex,
+ numberOfGlyphs,
+ glyphMetrics,
+ mVisualModel,
+ mFontClient );
+
+ float interGlyphAdvance = 0.f;
+ if( !isLastPosition &&
+ ( numberOfCharacters > 1u ) )
+ {
+ const CharacterIndex firstIndex = *( mVisualModel->mGlyphsToCharacters.Begin() + currentGlyphIndex );
+ interGlyphAdvance = static_cast<float>( characterIndex - firstIndex ) * glyphMetrics.advance / static_cast<float>( numberOfCharacters );
+ }
+
+ // Get the glyph position and x bearing.
+ const Vector2& currentPosition = *( mVisualModel->mGlyphPositions.Begin() + currentGlyphIndex );
+
+ // Set the cursor's height.
+ cursorInfo.primaryCursorHeight = glyphMetrics.fontHeight;
+
+ // Set the position.
+ cursorInfo.primaryPosition.x = -glyphMetrics.xBearing + currentPosition.x + ( isCurrentRightToLeft ? glyphMetrics.advance : interGlyphAdvance );
+ cursorInfo.primaryPosition.y = line.ascender - glyphMetrics.ascender;
+
+ if( isLastPosition )
+ {
+ // The position of the cursor after the last character needs special
+ // care depending on its direction and the direction of the paragraph.
+
+ if( cursorInfo.isSecondaryCursor )
+ {
+ // Need to find the first character after the last character with the paragraph's direction.
+ // i.e l0 l1 l2 r0 r1 should find r0.
+
+ // TODO: check for more than one line!
+ characterIndex = isRightToLeftParagraph ? line.characterRun.characterIndex : line.characterRun.characterIndex + line.characterRun.numberOfCharacters - 1u;
+ characterIndex = mLogicalModel->GetLogicalCharacterIndex( characterIndex );
+
+ const GlyphIndex glyphIndex = *( mVisualModel->mCharactersToGlyph.Begin() + characterIndex );
+ const Length numberOfGlyphs = *( mVisualModel->mGlyphsPerCharacter.Begin() + characterIndex );
+
+ const Vector2& position = *( mVisualModel->mGlyphPositions.Begin() + glyphIndex );
+
+ // Get the metrics for the group of glyphs.
+ GlyphMetrics glyphMetrics;
+ GetGlyphsMetrics( glyphIndex,
+ numberOfGlyphs,
+ glyphMetrics,
+ mVisualModel,
+ mFontClient );
+
+ cursorInfo.primaryPosition.x = -glyphMetrics.xBearing + position.x + ( isRightToLeftParagraph ? 0.f : glyphMetrics.advance );
+
+ cursorInfo.primaryPosition.y = line.ascender - glyphMetrics.ascender;
+ }
+ else
+ {
+ if( !isCurrentRightToLeft )
+ {
+ cursorInfo.primaryPosition.x += glyphMetrics.advance;
+ }
+ else
+ {
+ cursorInfo.primaryPosition.x -= glyphMetrics.advance;
+ }
+ }
+ }
+
+ // Set the alternative cursor position.
+ if( cursorInfo.isSecondaryCursor )
+ {
+ // Convert the cursor position into the glyph position.
+ const CharacterIndex previousCharacterIndex = ( ( isRightToLeftParagraph != isCurrentRightToLeft ) ? logical : previousLogical );
+ const GlyphIndex previousGlyphIndex = *( mVisualModel->mCharactersToGlyph.Begin() + previousCharacterIndex );
+ const Length numberOfGlyphs = *( mVisualModel->mGlyphsPerCharacter.Begin() + previousCharacterIndex );
+
+ // Get the glyph position.
+ const Vector2& previousPosition = *( mVisualModel->mGlyphPositions.Begin() + previousGlyphIndex );
+
+ // Get the metrics for the group of glyphs.
+ GlyphMetrics glyphMetrics;
+ GetGlyphsMetrics( previousGlyphIndex,
+ numberOfGlyphs,
+ glyphMetrics,
+ mVisualModel,
+ mFontClient );
+
+ // Set the cursor position and height.
+ cursorInfo.secondaryPosition.x = -glyphMetrics.xBearing + previousPosition.x + ( ( ( isLastPosition && !isCurrentRightToLeft ) ||
+ ( !isLastPosition && isCurrentRightToLeft ) ) ? glyphMetrics.advance : 0.f );
+
+ cursorInfo.secondaryCursorHeight = 0.5f * glyphMetrics.fontHeight;
+
+ cursorInfo.secondaryPosition.y = cursorInfo.lineHeight - cursorInfo.secondaryCursorHeight - line.descender - ( glyphMetrics.fontHeight - glyphMetrics.ascender );
+
+ // Update the primary cursor height as well.
+ cursorInfo.primaryCursorHeight *= 0.5f;
+ }
+}
+
+CharacterIndex Controller::Impl::CalculateNewCursorIndex( CharacterIndex index ) const
+{
+ if( NULL == mEventData )
+ {
+ // Nothing to do if there is no text input.
+ return 0u;
+ }
+
+ CharacterIndex cursorIndex = mEventData->mPrimaryCursorPosition;
+
+ const Script script = mLogicalModel->GetScript( index );
+ const GlyphIndex* charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
+ const Length* charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin();
+
+ Length numberOfCharacters = 0u;
+ if( TextAbstraction::LATIN == script )
+ {
+ // Prevents to jump the whole Latin ligatures like fi, ff, ...
+ numberOfCharacters = 1u;
+ }
+ else
+ {
+ GlyphIndex glyphIndex = *( charactersToGlyphBuffer + index );
+ numberOfCharacters = *( charactersPerGlyphBuffer + glyphIndex );
+
+ while( 0u == numberOfCharacters )
+ {
+ numberOfCharacters = *( charactersPerGlyphBuffer + glyphIndex );
+ ++glyphIndex;
+ }
+ }
+
+ if( index < mEventData->mPrimaryCursorPosition )
+ {
+ cursorIndex -= numberOfCharacters;
+ }
+ else
+ {
+ cursorIndex += numberOfCharacters;
+ }
+
+ return cursorIndex;
+}
+
+void Controller::Impl::UpdateCursorPosition()
+{
+ if( NULL == mEventData )
+ {
+ // Nothing to do if there is no text input.
+ return;
+ }
+
+ CursorInfo cursorInfo;
+ GetCursorPosition( mEventData->mPrimaryCursorPosition,
+ cursorInfo );
+
+ mEventData->mDecorator->SetPosition( PRIMARY_CURSOR,
+ cursorInfo.primaryPosition.x,
+ cursorInfo.primaryPosition.y,
+ cursorInfo.primaryCursorHeight,
+ cursorInfo.lineHeight );
+
+ if( cursorInfo.isSecondaryCursor )
+ {
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_BOTH );
+ mEventData->mDecorator->SetPosition( SECONDARY_CURSOR,
+ cursorInfo.secondaryPosition.x,
+ cursorInfo.secondaryPosition.y,
+ cursorInfo.secondaryCursorHeight,
+ cursorInfo.lineHeight );
+ }
+ else
+ {
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ }
+
+ mEventData->mUpdateCursorPosition = false;
+ mEventData->mDecoratorUpdated = true;
+}
+
+void Controller::Impl::RequestRelayout()
+{
+ mControlInterface.RequestTextRelayout();
+}
+
+} // namespace Text
+
+} // namespace Toolkit
+
+} // namespace Dali
--- /dev/null
+#ifndef __DALI_TOOLKIT_TEXT_CONTROLLER_IMPL_H__
+#define __DALI_TOOLKIT_TEXT_CONTROLLER_IMPL_H__
+
+/*
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// EXTERNAL INCLUDES
+#include <dali/public-api/text-abstraction/font-client.h>
+
+// INTERNAL INCLUDES
+#include <dali-toolkit/internal/text/layouts/layout-engine.h>
+#include <dali-toolkit/internal/text/logical-model-impl.h>
+#include <dali-toolkit/internal/text/text-controller.h>
+#include <dali-toolkit/internal/text/visual-model-impl.h>
+
+namespace Dali
+{
+
+namespace Toolkit
+{
+
+namespace Text
+{
+
+struct Event
+{
+ // Used to queue input events until DoRelayout()
+ enum Type
+ {
+ 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;
+ };
+
+ Event( Type eventType )
+ : type( eventType )
+ {
+ p1.mInt = 0;
+ p2.mInt = 0;
+ }
+
+ Type type;
+ Param p1;
+ Param p2;
+ Param p3;
+};
+
+struct CursorInfo
+{
+ CursorInfo()
+ : primaryPosition(),
+ secondaryPosition(),
+ lineHeight( 0.f ),
+ primaryCursorHeight( 0.f ),
+ secondaryCursorHeight( 0.f ),
+ isSecondaryCursor( false )
+ {}
+
+ ~CursorInfo()
+ {}
+
+ Vector2 primaryPosition; ///< The primary cursor's position.
+ Vector2 secondaryPosition; ///< The secondary cursor's position.
+ float lineHeight; ///< The height of the line where the cursor is placed.
+ float primaryCursorHeight; ///< The primary cursor's height.
+ float secondaryCursorHeight; ///< The secondary cursor's height.
+ bool isSecondaryCursor; ///< Whether the secondary cursor is valid.
+};
+
+struct EventData
+{
+ enum State
+ {
+ INACTIVE,
+ SELECTING,
+ EDITING,
+ EDITING_WITH_POPUP
+ };
+
+ EventData( DecoratorPtr decorator );
+
+ ~EventData();
+
+ 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.
+ */
+ std::vector<Event> mEventQueue; ///< The queue of touch events etc.
+
+ /**
+ * 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.
+
+ 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
+
+ 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 ModifyEvent
+{
+ enum Type
+ {
+ 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
+ };
+
+ Type type;
+ std::string text;
+};
+
+struct 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 ),
+ mEventData( NULL ),
+ mFontClient(),
+ mView(),
+ mLayoutEngine(),
+ mModifyEvents(),
+ mControlSize(),
+ mAlignmentOffset(),
+ mOperationsPending( NO_OPERATION ),
+ mRecalculateNaturalSize( true )
+ {
+ mLogicalModel = LogicalModel::New();
+ mVisualModel = VisualModel::New();
+
+ mFontClient = TextAbstraction::FontClient::Get();
+
+ mView.SetVisualModel( mVisualModel );
+
+ // Set the text properties to default
+ mVisualModel->SetTextColor( Color::WHITE );
+ mVisualModel->SetShadowOffset( Vector2::ZERO );
+ mVisualModel->SetShadowColor( Color::BLACK );
+ mVisualModel->SetUnderlineEnabled( false );
+ mVisualModel->SetUnderlineHeight( 0.0f );
+ }
+
+ ~Impl()
+ {
+ delete mEventData;
+ }
+
+ /**
+ * @brief Request a relayout using the ControlInterface.
+ */
+ void RequestRelayout();
+
+
+ /**
+ * @brief Helper to move the cursor, grab handle etc.
+ */
+ bool ProcessInputEvents();
+
+ void OnKeyboardFocus( bool hasFocus );
+
+ void OnCursorKeyEvent( const Event& event );
+
+ void HandleCursorKey( int keyCode );
+
+ void OnTapEvent( const Event& event );
+
+ void OnPanEvent( const Event& event );
+
+ void OnGrabHandleEvent( const Event& event );
+
+ void RepositionSelectionHandles( float visualX, float visualY );
+
+ void ChangeState( EventData::State newState );
+
+ LineIndex GetClosestLine( float y ) const;
+
+ /**
+ * @brief Retrieves the cursor's logical position for a given touch point x,y
+ *
+ * @param[in] visualX The touch point x.
+ * @param[in] visualY The touch point y.
+ *
+ * @return The logical cursor position (in characters). 0 is just before the first character, a value equal to the number of characters is just after the last character.
+ */
+ CharacterIndex GetClosestCursorIndex( float visualX,
+ float visualY );
+
+ /**
+ * @brief Calculates the cursor's position for a given character index in the logical order.
+ *
+ * It retrieves as well the line's height and the cursor's height and
+ * if there is a valid alternative cursor, its position and height.
+ *
+ * @param[in] logical The logical cursor position (in characters). 0 is just before the first character, a value equal to the number of characters is just after the last character.
+ * @param[out] cursorInfo The line's height, the cursor's height, the cursor's position and whether there is an alternative cursor.
+ */
+ void GetCursorPosition( CharacterIndex logical,
+ CursorInfo& cursorInfo );
+
+ /**
+ * @brief Calculates the new cursor index.
+ *
+ * It takes into account that in some scripts multiple characters can form a glyph and all of them
+ * need to be jumped with one key event.
+ *
+ * @param[in] index The initial new index.
+ *
+ * @return The new cursor index.
+ */
+ CharacterIndex CalculateNewCursorIndex( CharacterIndex index ) const;
+
+ void UpdateCursorPosition();
+
+ 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.
+ EventData* mEventData; ///< 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.
+ Vector2 mAlignmentOffset; ///< Vertical and horizontal offset of the whole text inside the control due to alignment.
+ OperationsMask mOperationsPending; ///< Operations pending to be done to layout the text.
+ bool mRecalculateNaturalSize:1; ///< Whether the natural size needs to be recalculated.
+};
+
+} // namespace Text
+
+} // namespace Toolkit
+
+} // namespace Dali
+
+#endif // __DALI_TOOLKIT_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-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();
-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
-};
-
-struct ModifyEvent
-{
- ModifyType type;
- std::string text;
-};
-
const std::string EMPTY_STRING("");
} // namespace
namespace Text
{
-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::TextInput
-{
- // 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;
- };
-
- struct Event
- {
- Event( EventType eventType )
- : type( eventType )
- {
- p1.mInt = 0;
- p2.mInt = 0;
- }
-
- EventType type;
- Param p1;
- Param p2;
- Param p3;
- };
-
- struct CursorInfo
- {
- CursorInfo()
- : primaryPosition(),
- secondaryPosition(),
- lineHeight( 0.f ),
- primaryCursorHeight( 0.f ),
- secondaryCursorHeight( 0.f ),
- isSecondaryCursor( false )
- {}
-
- ~CursorInfo()
- {}
-
- Vector2 primaryPosition; ///< The primary cursor's position.
- Vector2 secondaryPosition; ///< The secondary cursor's position.
- float lineHeight; ///< The height of the line where the cursor is placed.
- float primaryCursorHeight; ///< The primary cursor's height.
- float secondaryCursorHeight; ///< The secondary cursor's height.
- bool isSecondaryCursor; ///< Whether the secondary cursor is valid.
- };
-
- /**
- * @brief Some characters can be shaped in more than one glyph.
- * This struct is used to retrieve metrics from these group of glyphs.
- */
- struct GlyphMetrics
- {
- GlyphMetrics()
- : fontHeight( 0.f ),
- advance( 0.f ),
- ascender( 0.f ),
- xBearing( 0.f )
- {}
-
- ~GlyphMetrics()
- {}
-
- float fontHeight; ///< The font's height of that glyphs.
- float advance; ///< The sum of all the advances of all the glyphs.
- float ascender; ///< The font's ascender.
- float xBearing; ///< The x bearing of the first glyph.
- };
-
- enum State
- {
- INACTIVE,
- SELECTING,
- EDITING,
- EDITING_WITH_POPUP
- };
-
- TextInput( LogicalModelPtr logicalModel,
- VisualModelPtr visualModel,
- DecoratorPtr decorator,
- FontDefaults* fontDefaults,
- TextAbstraction::FontClient& fontClient )
- : mLogicalModel( logicalModel ),
- mVisualModel( visualModel ),
- mDecorator( decorator ),
- mFontDefaults( fontDefaults ),
- mFontClient( fontClient ),
- mState( INACTIVE ),
- mPrimaryCursorPosition( 0u ),
- mSecondaryCursorPosition( 0u ),
- mDecoratorUpdated( false ),
- mCursorBlinkEnabled( true ),
- mGrabHandleEnabled( true ),
- mGrabHandlePopupEnabled( true ),
- mSelectionEnabled( true ),
- mHorizontalScrollingEnabled( true ),
- mVerticalScrollingEnabled( false ),
- mUpdateCursorPosition( false )
- {}
-
- /**
- * @brief Helper to move the cursor, grab handle etc.
- */
- bool ProcessInputEvents( const Vector2& controlSize,
- const Vector2& alignmentOffset )
- {
- mDecoratorUpdated = false;
-
- 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, alignmentOffset );
- break;
- }
- case PAN_EVENT:
- {
- OnPanEvent( *iter, controlSize, alignmentOffset );
- break;
- }
- case GRAB_HANDLE_EVENT:
- {
- OnGrabHandleEvent( *iter );
- break;
- }
- }
- }
- }
-
- // The cursor must also be repositioned after inserts into the model
- if( mUpdateCursorPosition )
- {
- UpdateCursorPosition();
- mUpdateCursorPosition = false;
- }
-
- mEventQueue.clear();
-
- return mDecoratorUpdated;
- }
-
- void OnKeyboardFocus( bool hasFocus )
- {
- if( !hasFocus )
- {
- ChangeState( INACTIVE );
- }
- else
- {
- ChangeState( EDITING );
- }
- }
-
- void OnCursorKeyEvent( const Event& event )
- {
- int keyCode = event.p1.mInt;
-
- if( Dali::DALI_KEY_CURSOR_LEFT == keyCode )
- {
- if( mPrimaryCursorPosition > 0u )
- {
- mPrimaryCursorPosition = CalculateNewCursorIndex( mPrimaryCursorPosition - 1u );
- }
- }
- else if( Dali::DALI_KEY_CURSOR_RIGHT == keyCode )
- {
- if( mLogicalModel->GetNumberOfCharacters() > mPrimaryCursorPosition )
- {
- mPrimaryCursorPosition = CalculateNewCursorIndex( mPrimaryCursorPosition );
- }
- }
- else if( Dali::DALI_KEY_CURSOR_UP == keyCode )
- {
- // TODO
- }
- else if( Dali::DALI_KEY_CURSOR_DOWN == keyCode )
- {
- // TODO
- }
-
- UpdateCursorPosition();
- }
-
- void HandleCursorKey( int keyCode )
- {
- // TODO
- }
-
- void OnTapEvent( const Event& event,
- const Vector2& alignmentOffset )
- {
- unsigned int tapCount = event.p1.mUint;
-
- if( 1u == tapCount )
- {
- ChangeState( EDITING );
-
- float xPosition = event.p2.mFloat - alignmentOffset.x;
- float yPosition = event.p3.mFloat - alignmentOffset.y;
-
- mPrimaryCursorPosition = GetClosestCursorIndex( xPosition,
- yPosition );
-
- UpdateCursorPosition();
- }
- else if( mSelectionEnabled &&
- 2u == tapCount )
- {
- ChangeState( SELECTING );
-
- RepositionSelectionHandles( event.p2.mFloat, event.p3.mFloat );
- }
- }
-
- void OnPanEvent( const Event& event,
- const Vector2& controlSize,
- const Vector2& alignmentOffset )
- {
- int state = event.p1.mInt;
-
- if( Gesture::Started == state ||
- Gesture::Continuing == state )
- {
- const Vector2& actualSize = mVisualModel->GetActualSize();
-
- if( mHorizontalScrollingEnabled )
- {
- const float displacementX = event.p2.mFloat;
- mScrollPosition.x += displacementX;
-
- // Clamp between -space & 0 (and the text alignment).
- const float contentWidth = actualSize.width;
- if( contentWidth > controlSize.width )
- {
- const float space = ( contentWidth - controlSize.width ) + alignmentOffset.x;
- mScrollPosition.x = ( mScrollPosition.x < -space ) ? -space : mScrollPosition.x;
- mScrollPosition.x = ( mScrollPosition.x > -alignmentOffset.x ) ? -alignmentOffset.x : mScrollPosition.x;
-
- mDecoratorUpdated = true;
- }
- else
- {
- mScrollPosition.x = 0.f;
- }
- }
-
- if( mVerticalScrollingEnabled )
- {
- const float displacementY = event.p3.mFloat;
- mScrollPosition.y += displacementY;
-
- // Clamp between -space & 0 (and the text alignment).
- if( actualSize.height > controlSize.height )
- {
- const float space = ( actualSize.height - controlSize.height ) + alignmentOffset.y;
- mScrollPosition.y = ( mScrollPosition.y < -space ) ? -space : mScrollPosition.y;
- mScrollPosition.y = ( mScrollPosition.y > -alignmentOffset.y ) ? -alignmentOffset.y : mScrollPosition.y;
-
- mDecoratorUpdated = true;
- }
- else
- {
- mScrollPosition.y = 0.f;
- }
- }
- }
- }
-
- void OnGrabHandleEvent( const Event& event )
- {
- unsigned int state = event.p1.mUint;
-
- if( GRAB_HANDLE_PRESSED == state )
- {
- float xPosition = event.p2.mFloat + mScrollPosition.x;
- float yPosition = event.p3.mFloat + mScrollPosition.y;
-
- mPrimaryCursorPosition = GetClosestCursorIndex( xPosition,
- yPosition );
-
- UpdateCursorPosition();
-
- //mDecorator->HidePopup();
- ChangeState ( EDITING );
- }
- else if ( mGrabHandlePopupEnabled &&
- GRAB_HANDLE_RELEASED == state )
- {
- //mDecorator->ShowPopup();
- ChangeState ( EDITING_WITH_POPUP );
- mDecoratorUpdated = true;
- }
- }
-
- void RepositionSelectionHandles( float visualX, float visualY )
- {
- // TODO - Find which word was selected
-
- const Vector<GlyphInfo>& glyphs = mVisualModel->mGlyphs;
- const Vector<Vector2>::SizeType glyphCount = glyphs.Count();
-
- const Vector<Vector2>& positions = mVisualModel->mGlyphPositions;
- const Vector<Vector2>::SizeType positionCount = positions.Count();
-
- // Guard against glyphs which did not fit inside the layout
- const Vector<Vector2>::SizeType count = (positionCount < glyphCount) ? positionCount : glyphCount;
-
- if( count )
- {
- float primaryX = positions[0].x;
- float secondaryX = positions[count-1].x + glyphs[count-1].width;
-
- // TODO - multi-line selection
- const Vector<LineRun>& lines = mVisualModel->mLines;
- float height = lines.Count() ? lines[0].ascender + -lines[0].descender : 0.0f;
-
- mDecorator->SetPosition( PRIMARY_SELECTION_HANDLE, primaryX, 0.0f, height );
- mDecorator->SetPosition( SECONDARY_SELECTION_HANDLE, secondaryX, 0.0f, height );
-
- mDecorator->ClearHighlights();
- mDecorator->AddHighlight( primaryX, 0.0f, secondaryX, height );
- }
- }
-
- 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->SetPopupActive( false );
- 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 );
- }
- if( mGrabHandlePopupEnabled )
- {
- mDecorator->SetPopupActive( false );
- }
- mDecorator->SetSelectionActive( false );
- mDecoratorUpdated = true;
- }
- else if( EDITING_WITH_POPUP == mState )
- {
- mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
- if( mCursorBlinkEnabled )
- {
- mDecorator->StartCursorBlink();
- }
- if( mGrabHandleEnabled )
- {
- mDecorator->SetGrabHandleActive( true );
- }
- if( mGrabHandlePopupEnabled )
- {
- mDecorator->SetPopupActive( true );
- }
- mDecorator->SetSelectionActive( false );
- mDecoratorUpdated = true;
- }
- }
- }
-
- LineIndex GetClosestLine( float y ) const
- {
- float totalHeight = 0.f;
- LineIndex lineIndex = 0u;
-
- const Vector<LineRun>& lines = mVisualModel->mLines;
- for( LineIndex endLine = lines.Count();
- lineIndex < endLine;
- ++lineIndex )
- {
- const LineRun& lineRun = lines[lineIndex];
- totalHeight += lineRun.ascender + -lineRun.descender;
- if( y < totalHeight )
- {
- return lineIndex;
- }
- }
-
- return lineIndex-1;
- }
-
- /**
- * @brief Retrieves the cursor's logical position for a given touch point x,y
- *
- * @param[in] visualX The touch point x.
- * @param[in] visualY The touch point y.
- *
- * @return The logical cursor position (in characters). 0 is just before the first character, a value equal to the number of characters is just after the last character.
- */
- CharacterIndex GetClosestCursorIndex( float visualX,
- float visualY ) const
- {
- CharacterIndex logicalIndex = 0u;
-
- const Length numberOfGlyphs = mVisualModel->mGlyphs.Count();
- const Length numberOfLines = mVisualModel->mLines.Count();
- if( 0 == numberOfGlyphs ||
- 0 == numberOfLines )
- {
- return logicalIndex;
- }
-
- // Transform to visual model coords
- visualX -= mScrollPosition.x;
- visualY -= mScrollPosition.y;
-
- // Find which line is closest
- const LineIndex lineIndex = GetClosestLine( visualY );
- const LineRun& line = mVisualModel->mLines[lineIndex];
-
- // Get the positions of the glyphs.
- const Vector<Vector2>& positions = mVisualModel->mGlyphPositions;
- const Vector2* const positionsBuffer = positions.Begin();
-
- // Get the visual to logical conversion tables.
- const CharacterIndex* const visualToLogicalBuffer = ( 0u != mLogicalModel->mVisualToLogicalMap.Count() ) ? mLogicalModel->mVisualToLogicalMap.Begin() : NULL;
- const CharacterIndex* const visualToLogicalCursorBuffer = mLogicalModel->mVisualToLogicalCursorMap.Begin();
-
- // Get the character to glyph conversion table.
- const GlyphIndex* const charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
-
- // Get the glyphs per character table.
- const Length* const glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin();
-
- // If the vector is void, there is no right to left characters.
- const bool hasRightToLeftCharacters = NULL != visualToLogicalBuffer;
-
- const CharacterIndex startCharacter = line.characterRun.characterIndex;
- const CharacterIndex endCharacter = line.characterRun.characterIndex + line.characterRun.numberOfCharacters;
- DALI_ASSERT_DEBUG( endCharacter <= mLogicalModel->mText.Count() && "Invalid line info" );
-
- // Whether there is a hit on a glyph.
- bool matched = false;
-
- // Traverses glyphs in visual order. To do that use the visual to logical conversion table.
- CharacterIndex visualIndex = startCharacter;
- for( ; !matched && ( visualIndex < endCharacter ); ++visualIndex )
- {
- // The character in logical order.
- const CharacterIndex characterLogicalOrderIndex = hasRightToLeftCharacters ? *( visualToLogicalBuffer + visualIndex ) : visualIndex;
-
- // The first glyph for that character in logical order.
- const GlyphIndex glyphLogicalOrderIndex = *( charactersToGlyphBuffer + characterLogicalOrderIndex );
-
- // The number of glyphs for that character
- const Length numberOfGlyphs = *( glyphsPerCharacterBuffer + characterLogicalOrderIndex );
-
- // Get the metrics for the group of glyphs.
- GlyphMetrics glyphMetrics;
- GetGlyphsMetrics( glyphLogicalOrderIndex,
- numberOfGlyphs,
- glyphMetrics );
-
- const Vector2& position = *( positionsBuffer + glyphLogicalOrderIndex );
-
- const float glyphX = -glyphMetrics.xBearing + position.x + 0.5f * glyphMetrics.advance;
-
- if( visualX < glyphX )
- {
- matched = true;
- break;
- }
- }
-
- // Return the logical position of the cursor in characters.
-
- if( !matched )
- {
- visualIndex = endCharacter;
- }
-
- return hasRightToLeftCharacters ? *( visualToLogicalCursorBuffer + visualIndex ) : visualIndex;
- }
-
- /**
- * @brief Calculates the cursor's position for a given character index in the logical order.
- *
- * It retrieves as well the line's height and the cursor's height and
- * if there is a valid alternative cursor, its position and height.
- *
- * @param[in] logical The logical cursor position (in characters). 0 is just before the first character, a value equal to the number of characters is just after the last character.
- * @param[out] cursorInfo The line's height, the cursor's height, the cursor's position and whether there is an alternative cursor.
- */
- void GetCursorPosition( CharacterIndex logical,
- CursorInfo& cursorInfo ) const
- {
- // TODO: Check for multiline with \n, etc...
-
- // Check if the logical position is the first or the last one of the text.
- const bool isFirstPosition = 0u == logical;
- const bool isLastPosition = mLogicalModel->GetNumberOfCharacters() == logical;
-
- if( isFirstPosition && isLastPosition )
- {
- // There is zero characters. Get the default font.
-
- FontId defaultFontId = 0u;
- if( NULL == mFontDefaults )
- {
- defaultFontId = mFontClient.GetFontId( EMPTY_STRING,
- EMPTY_STRING );
- }
- else
- {
- defaultFontId = mFontDefaults->GetFontId( mFontClient );
- }
-
- Text::FontMetrics fontMetrics;
- mFontClient.GetFontMetrics( defaultFontId, fontMetrics );
-
- cursorInfo.lineHeight = fontMetrics.ascender - fontMetrics.descender;
- cursorInfo.primaryCursorHeight = cursorInfo.lineHeight;
-
- cursorInfo.primaryPosition.x = 0.f;
- cursorInfo.primaryPosition.y = 0.f;
-
- // Nothing else to do.
- return;
- }
-
- // Get the previous logical index.
- const CharacterIndex previousLogical = isFirstPosition ? 0u : logical - 1u;
-
- // Decrease the logical index if it's the last one.
- if( isLastPosition )
- {
- --logical;
- }
-
- // Get the direction of the character and the previous one.
- const CharacterDirection* const modelCharacterDirectionsBuffer = ( 0u != mLogicalModel->mCharacterDirections.Count() ) ? mLogicalModel->mCharacterDirections.Begin() : NULL;
-
- CharacterDirection isCurrentRightToLeft = false;
- CharacterDirection isPreviousRightToLeft = false;
- if( NULL != modelCharacterDirectionsBuffer ) // If modelCharacterDirectionsBuffer is NULL, it means the whole text is left to right.
- {
- isCurrentRightToLeft = *( modelCharacterDirectionsBuffer + logical );
- isPreviousRightToLeft = *( modelCharacterDirectionsBuffer + previousLogical );
- }
-
- // Get the line where the character is laid-out.
- const LineRun* modelLines = mVisualModel->mLines.Begin();
-
- const LineIndex lineIndex = mVisualModel->GetLineOfCharacter( logical );
- const LineRun& line = *( modelLines + lineIndex );
-
- // Get the paragraph's direction.
- const CharacterDirection isRightToLeftParagraph = line.direction;
-
- // Check whether there is an alternative position:
-
- cursorInfo.isSecondaryCursor = ( isCurrentRightToLeft != isPreviousRightToLeft ) ||
- ( isLastPosition && ( isRightToLeftParagraph != isCurrentRightToLeft ) );
-
- // Set the line height.
- cursorInfo.lineHeight = line.ascender + -line.descender;
-
- // Convert the cursor position into the glyph position.
- CharacterIndex characterIndex = logical;
- if( cursorInfo.isSecondaryCursor &&
- ( isRightToLeftParagraph != isCurrentRightToLeft ) )
- {
- characterIndex = previousLogical;
- }
-
- const GlyphIndex currentGlyphIndex = *( mVisualModel->mCharactersToGlyph.Begin() + characterIndex );
- const Length numberOfGlyphs = *( mVisualModel->mGlyphsPerCharacter.Begin() + characterIndex );
- const Length numberOfCharacters = *( mVisualModel->mCharactersPerGlyph.Begin() +currentGlyphIndex );
-
- // Get the metrics for the group of glyphs.
- GlyphMetrics glyphMetrics;
- GetGlyphsMetrics( currentGlyphIndex,
- numberOfGlyphs,
- glyphMetrics );
-
- float interGlyphAdvance = 0.f;
- if( !isLastPosition &&
- ( numberOfCharacters > 1u ) )
- {
- const CharacterIndex firstIndex = *( mVisualModel->mGlyphsToCharacters.Begin() + currentGlyphIndex );
- interGlyphAdvance = static_cast<float>( characterIndex - firstIndex ) * glyphMetrics.advance / static_cast<float>( numberOfCharacters );
- }
-
- // Get the glyph position and x bearing.
- const Vector2& currentPosition = *( mVisualModel->mGlyphPositions.Begin() + currentGlyphIndex );
-
- // Set the cursor's height.
- cursorInfo.primaryCursorHeight = glyphMetrics.fontHeight;
-
- // Set the position.
- cursorInfo.primaryPosition.x = -glyphMetrics.xBearing + currentPosition.x + ( isCurrentRightToLeft ? glyphMetrics.advance : interGlyphAdvance );
- cursorInfo.primaryPosition.y = line.ascender - glyphMetrics.ascender;
-
- if( isLastPosition )
- {
- // The position of the cursor after the last character needs special
- // care depending on its direction and the direction of the paragraph.
-
- if( cursorInfo.isSecondaryCursor )
- {
- // Need to find the first character after the last character with the paragraph's direction.
- // i.e l0 l1 l2 r0 r1 should find r0.
-
- // TODO: check for more than one line!
- characterIndex = isRightToLeftParagraph ? line.characterRun.characterIndex : line.characterRun.characterIndex + line.characterRun.numberOfCharacters - 1u;
- characterIndex = mLogicalModel->GetLogicalCharacterIndex( characterIndex );
-
- const GlyphIndex glyphIndex = *( mVisualModel->mCharactersToGlyph.Begin() + characterIndex );
- const Length numberOfGlyphs = *( mVisualModel->mGlyphsPerCharacter.Begin() + characterIndex );
-
- const Vector2& position = *( mVisualModel->mGlyphPositions.Begin() + glyphIndex );
-
- // Get the metrics for the group of glyphs.
- GlyphMetrics glyphMetrics;
- GetGlyphsMetrics( glyphIndex,
- numberOfGlyphs,
- glyphMetrics );
-
- cursorInfo.primaryPosition.x = -glyphMetrics.xBearing + position.x + ( isRightToLeftParagraph ? 0.f : glyphMetrics.advance );
-
- cursorInfo.primaryPosition.y = line.ascender - glyphMetrics.ascender;
- }
- else
- {
- if( !isCurrentRightToLeft )
- {
- cursorInfo.primaryPosition.x += glyphMetrics.advance;
- }
- else
- {
- cursorInfo.primaryPosition.x -= glyphMetrics.advance;
- }
- }
- }
-
- // Set the alternative cursor position.
- if( cursorInfo.isSecondaryCursor )
- {
- // Convert the cursor position into the glyph position.
- const CharacterIndex previousCharacterIndex = ( ( isRightToLeftParagraph != isCurrentRightToLeft ) ? logical : previousLogical );
- const GlyphIndex previousGlyphIndex = *( mVisualModel->mCharactersToGlyph.Begin() + previousCharacterIndex );
- const Length numberOfGlyphs = *( mVisualModel->mGlyphsPerCharacter.Begin() + previousCharacterIndex );
-
- // Get the glyph position.
- const Vector2& previousPosition = *( mVisualModel->mGlyphPositions.Begin() + previousGlyphIndex );
-
- // Get the metrics for the group of glyphs.
- GlyphMetrics glyphMetrics;
- GetGlyphsMetrics( previousGlyphIndex,
- numberOfGlyphs,
- glyphMetrics );
-
- // Set the cursor position and height.
- cursorInfo.secondaryPosition.x = -glyphMetrics.xBearing + previousPosition.x + ( ( ( isLastPosition && !isCurrentRightToLeft ) ||
- ( !isLastPosition && isCurrentRightToLeft ) ) ? glyphMetrics.advance : 0.f );
-
- cursorInfo.secondaryCursorHeight = 0.5f * glyphMetrics.fontHeight;
-
- cursorInfo.secondaryPosition.y = cursorInfo.lineHeight - cursorInfo.secondaryCursorHeight - line.descender - ( glyphMetrics.fontHeight - glyphMetrics.ascender );
-
- // Update the primary cursor height as well.
- cursorInfo.primaryCursorHeight *= 0.5f;
- }
- }
-
- /**
- * @brief Get some glyph's metrics of a group of glyphs formed as a result of shaping one character.
- *
- * @param[in] glyphIndex The index to the first glyph.
- * @param[in] numberOfGlyphs The number of glyphs.
- * @param[out] glyphMetrics Some glyph metrics (font height, advance, ascender and x bearing).
- */
- void GetGlyphsMetrics( GlyphIndex glyphIndex,
- Length numberOfGlyphs,
- GlyphMetrics& glyphMetrics ) const
- {
- const GlyphInfo* glyphsBuffer = mVisualModel->mGlyphs.Begin();
-
- const GlyphInfo& firstGlyph = *( glyphsBuffer + glyphIndex );
-
- Text::FontMetrics fontMetrics;
- mFontClient.GetFontMetrics( firstGlyph.fontId, fontMetrics );
-
- glyphMetrics.fontHeight = fontMetrics.height;
- glyphMetrics.advance = firstGlyph.advance;
- glyphMetrics.ascender = fontMetrics.ascender;
- glyphMetrics.xBearing = firstGlyph.xBearing;
-
- for( unsigned int i = 1u; i < numberOfGlyphs; ++i )
- {
- const GlyphInfo& glyphInfo = *( glyphsBuffer + glyphIndex + i );
-
- glyphMetrics.advance += glyphInfo.advance;
- }
- }
-
- /**
- * @brief Calculates the new cursor index.
- *
- * It takes into account that in some scripts multiple characters can form a glyph and all of them
- * need to be jumped with one key event.
- *
- * @param[in] index The initial new index.
- *
- * @return The new cursor index.
- */
- CharacterIndex CalculateNewCursorIndex( CharacterIndex index ) const
- {
- CharacterIndex cursorIndex = mPrimaryCursorPosition;
-
- const Script script = mLogicalModel->GetScript( index );
- const GlyphIndex* charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
- const Length* charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin();
-
- Length numberOfCharacters = 0u;
- if( TextAbstraction::LATIN == script )
- {
- // Prevents to jump the whole Latin ligatures like fi, ff, ...
- numberOfCharacters = 1u;
- }
- else
- {
- GlyphIndex glyphIndex = *( charactersToGlyphBuffer + index );
- numberOfCharacters = *( charactersPerGlyphBuffer + glyphIndex );
-
- while( 0u == numberOfCharacters )
- {
- numberOfCharacters = *( charactersPerGlyphBuffer + glyphIndex );
- ++glyphIndex;
- }
- }
-
- if( index < mPrimaryCursorPosition )
- {
- cursorIndex -= numberOfCharacters;
- }
- else
- {
- cursorIndex += numberOfCharacters;
- }
-
- return cursorIndex;
- }
-
- void UpdateCursorPosition()
- {
- CursorInfo cursorInfo;
-
- GetCursorPosition( mPrimaryCursorPosition,
- cursorInfo );
-
- mDecorator->SetPosition( PRIMARY_CURSOR,
- cursorInfo.primaryPosition.x,
- cursorInfo.primaryPosition.y,
- cursorInfo.primaryCursorHeight,
- cursorInfo.lineHeight );
-
- if( cursorInfo.isSecondaryCursor )
- {
- mDecorator->SetActiveCursor( ACTIVE_CURSOR_BOTH );
- mDecorator->SetPosition( SECONDARY_CURSOR,
- cursorInfo.secondaryPosition.x,
- cursorInfo.secondaryPosition.y,
- cursorInfo.secondaryCursorHeight,
- cursorInfo.lineHeight );
- }
- else
- {
- mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
- }
-
- mUpdateCursorPosition = false;
- mDecoratorUpdated = true;
- }
-
- LogicalModelPtr mLogicalModel;
- VisualModelPtr mVisualModel;
- DecoratorPtr mDecorator;
- FontDefaults* mFontDefaults;
- TextAbstraction::FontClient& mFontClient;
- 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::Impl
-{
- Impl( ControlInterface& controlInterface )
- : mControlInterface( controlInterface ),
- mLogicalModel(),
- mVisualModel(),
- mFontDefaults( NULL ),
- mTextInput( NULL ),
- mFontClient(),
- mView(),
- mLayoutEngine(),
- mModifyEvents(),
- mControlSize(),
- mAlignmentOffset(),
- mOperationsPending( NO_OPERATION ),
- mRecalculateNaturalSize( true )
- {
- mLogicalModel = LogicalModel::New();
- mVisualModel = VisualModel::New();
-
- mFontClient = TextAbstraction::FontClient::Get();
-
- mView.SetVisualModel( mVisualModel );
-
- // Set the text properties to default
- mVisualModel->SetTextColor( Color::WHITE );
- mVisualModel->SetShadowOffset( Vector2::ZERO );
- mVisualModel->SetShadowColor( Color::BLACK );
- mVisualModel->SetUnderlineEnabled( false );
- mVisualModel->SetUnderlineHeight( 0.0f );
- }
-
- ~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.
- Vector2 mAlignmentOffset; ///< Vertical and horizontal offset of the whole text inside the control due to alignment.
- 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 ) );
// Keep until size negotiation
ModifyEvent event;
- event.type = REPLACE_TEXT;
+ event.type = ModifyEvent::REPLACE_TEXT;
event.text = text;
mImpl->mModifyEvents.push_back( event );
- if( mImpl->mTextInput )
+ if( mImpl->mEventData )
{
// Cancel previously queued events
- mImpl->mTextInput->mEventQueue.clear();
+ mImpl->mEventData->mEventQueue.clear();
// TODO - Hide selection decorations
}
void Controller::GetText( std::string& text ) const
{
if( !mImpl->mModifyEvents.empty() &&
- REPLACE_TEXT == mImpl->mModifyEvents[0].type )
+ ModifyEvent::REPLACE_TEXT == mImpl->mModifyEvents[0].type )
{
text = mImpl->mModifyEvents[0].text;
}
void Controller::SetPlaceholderText( const std::string& text )
{
- if( !mImpl->mTextInput )
+ if( !mImpl->mEventData )
{
- mImpl->mTextInput->mPlaceholderText = text;
+ mImpl->mEventData->mPlaceholderText = text;
}
}
void Controller::GetPlaceholderText( std::string& text ) const
{
- if( !mImpl->mTextInput )
+ if( !mImpl->mEventData )
{
- text = mImpl->mTextInput->mPlaceholderText;
+ text = mImpl->mEventData->mPlaceholderText;
}
}
{
if( !mImpl->mFontDefaults )
{
- mImpl->mFontDefaults = new Controller::FontDefaults();
+ mImpl->mFontDefaults = new FontDefaults();
}
mImpl->mFontDefaults->mDefaultFontFamily = defaultFontFamily;
mImpl->mVisualModel->mLines.Clear();
mImpl->mVisualModel->ClearCaches();
- RequestRelayout();
+ 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->mVisualModel->mLines.Clear();
mImpl->mVisualModel->ClearCaches();
- RequestRelayout();
+ 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->mVisualModel->mLines.Clear();
mImpl->mVisualModel->ClearCaches();
- RequestRelayout();
+ mImpl->RequestRelayout();
}
float Controller::GetDefaultPointSize() const
}
}
-const Vector4& Controller::GetTextColor() const
+void Controller::SetTextColor( const Vector4& textColor )
{
- return mImpl->mVisualModel->GetTextColor();
+ mImpl->mVisualModel->SetTextColor( textColor );
}
-const Vector2& Controller::GetShadowOffset() const
+const Vector4& Controller::GetTextColor() const
{
- return mImpl->mVisualModel->GetShadowOffset();
+ return mImpl->mVisualModel->GetTextColor();
}
-const Vector4& Controller::GetShadowColor() const
+void Controller::SetShadowOffset( const Vector2& shadowOffset )
{
- return mImpl->mVisualModel->GetShadowColor();
+ mImpl->mVisualModel->SetShadowOffset( shadowOffset );
}
-const Vector4& Controller::GetUnderlineColor() const
+const Vector2& Controller::GetShadowOffset() const
{
- return mImpl->mVisualModel->GetUnderlineColor();
+ return mImpl->mVisualModel->GetShadowOffset();
}
-bool Controller::IsUnderlineEnabled() const
+void Controller::SetShadowColor( const Vector4& shadowColor )
{
- return mImpl->mVisualModel->IsUnderlineEnabled();
+ mImpl->mVisualModel->SetShadowColor( shadowColor );
}
-float Controller::GetUnderlineHeight() const
+const Vector4& Controller::GetShadowColor() const
{
- return mImpl->mVisualModel->GetUnderlineHeight();
+ return mImpl->mVisualModel->GetShadowColor();
}
-void Controller::SetTextColor( const Vector4& textColor )
+void Controller::SetUnderlineColor( const Vector4& color )
{
- mImpl->mVisualModel->SetTextColor( textColor );
+ mImpl->mVisualModel->SetUnderlineColor( color );
}
-void Controller::SetShadowOffset( const Vector2& shadowOffset )
+const Vector4& Controller::GetUnderlineColor() const
{
- mImpl->mVisualModel->SetShadowOffset( shadowOffset );
+ return mImpl->mVisualModel->GetUnderlineColor();
}
-void Controller::SetShadowColor( const Vector4& shadowColor )
+void Controller::SetUnderlineEnabled( bool enabled )
{
- mImpl->mVisualModel->SetShadowColor( shadowColor );
+ mImpl->mVisualModel->SetUnderlineEnabled( enabled );
}
-void Controller::SetUnderlineColor( const Vector4& color )
+bool Controller::IsUnderlineEnabled() const
{
- mImpl->mVisualModel->SetUnderlineColor( color );
+ return mImpl->mVisualModel->IsUnderlineEnabled();
}
-void Controller::SetUnderlineEnabled( bool enabled )
+void Controller::SetUnderlineHeight( float height )
{
- mImpl->mVisualModel->SetUnderlineEnabled( enabled );
+ mImpl->mVisualModel->SetUnderlineHeight( height );
}
-void Controller::SetUnderlineHeight( float height )
+float Controller::GetUnderlineHeight() const
{
- mImpl->mVisualModel->SetUnderlineHeight( height );
+ return mImpl->mVisualModel->GetUnderlineHeight();
}
void Controller::EnableTextInput( DecoratorPtr decorator )
{
- if( !mImpl->mTextInput )
+ if( !mImpl->mEventData )
{
- mImpl->mTextInput = new TextInput( mImpl->mLogicalModel,
- mImpl->mVisualModel,
- decorator,
- mImpl->mFontDefaults,
- mImpl->mFontClient );
+ mImpl->mEventData = new EventData( decorator );
}
}
void Controller::SetEnableCursorBlink( bool enable )
{
- DALI_ASSERT_DEBUG( NULL != mImpl->mTextInput && "TextInput disabled" );
+ DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "TextInput disabled" );
- if( mImpl->mTextInput )
+ if( mImpl->mEventData )
{
- mImpl->mTextInput->mCursorBlinkEnabled = enable;
+ mImpl->mEventData->mCursorBlinkEnabled = enable;
if( !enable &&
- mImpl->mTextInput->mDecorator )
+ mImpl->mEventData->mDecorator )
{
- mImpl->mTextInput->mDecorator->StopCursorBlink();
+ mImpl->mEventData->mDecorator->StopCursorBlink();
}
}
}
bool Controller::GetEnableCursorBlink() const
{
- if( mImpl->mTextInput )
+ if( mImpl->mEventData )
{
- return mImpl->mTextInput->mCursorBlinkEnabled;
+ return mImpl->mEventData->mCursorBlinkEnabled;
}
return false;
const Vector2& Controller::GetScrollPosition() const
{
- if( mImpl->mTextInput )
+ if( mImpl->mEventData )
{
- return mImpl->mTextInput->mScrollPosition;
+ return mImpl->mEventData->mScrollPosition;
}
return Vector2::ZERO;
mImpl->mVisualModel->SetGlyphPositions( NULL, 0u );
glyphsRemoved = true;
}
-
// Not worth to relayout if width or height is equal to zero.
return glyphsRemoved;
}
// After doing the text layout, the alignment offset to place the actor in the desired position can be calculated.
CalculateTextAlignment( size );
- if( mImpl->mTextInput )
+ if( mImpl->mEventData )
{
// Move the cursor, grab handle etc.
- updated = mImpl->mTextInput->ProcessInputEvents( mImpl->mControlSize, mImpl->mAlignmentOffset ) || updated;
+ updated = mImpl->ProcessInputEvents() || updated;
}
return updated;
for( unsigned int i=0; i<events.size(); ++i )
{
- if( REPLACE_TEXT == events[0].type )
+ if( ModifyEvent::REPLACE_TEXT == 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" );
ReplaceTextEvent( events[0].text );
}
- else if( INSERT_TEXT == events[0].type )
+ else if( ModifyEvent::INSERT_TEXT == events[0].type )
{
InsertTextEvent( events[0].text );
}
- else if( DELETE_TEXT == events[0].type )
+ else if( ModifyEvent::DELETE_TEXT == events[0].type )
{
DeleteTextEvent();
}
utf32Characters.Resize( characterCount );
// Reset the cursor position
- if( mImpl->mTextInput )
+ if( mImpl->mEventData )
{
- mImpl->mTextInput->mPrimaryCursorPosition = characterCount;
+ mImpl->mEventData->mPrimaryCursorPosition = characterCount;
// TODO - handle secondary cursor
}
void Controller::InsertTextEvent( const std::string& text )
{
- DALI_ASSERT_DEBUG( NULL != mImpl->mTextInput && "Unexpected InsertTextEvent" );
+ DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected InsertTextEvent" );
// TODO - Optimize this
mImpl->mLogicalModel->mScriptRuns.Clear();
// Insert at current cursor position
Vector<Character>& modifyText = mImpl->mLogicalModel->mText;
- CharacterIndex& cursorIndex = mImpl->mTextInput->mPrimaryCursorPosition;
+ CharacterIndex& cursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
if( cursorIndex < modifyText.Count() )
{
REORDER );
// Queue a cursor reposition event; this must wait until after DoRelayout()
- mImpl->mTextInput->mUpdateCursorPosition = true;
+ mImpl->mEventData->mUpdateCursorPosition = true;
}
void Controller::DeleteTextEvent()
{
- DALI_ASSERT_DEBUG( NULL != mImpl->mTextInput && "Unexpected InsertTextEvent" );
+ DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected InsertTextEvent" );
// TODO - Optimize this
mImpl->mLogicalModel->mScriptRuns.Clear();
// Delte at current cursor position
Vector<Character>& modifyText = mImpl->mLogicalModel->mText;
- CharacterIndex& cursorIndex = mImpl->mTextInput->mPrimaryCursorPosition;
+ CharacterIndex& cursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
if( cursorIndex > 0 &&
cursorIndex-1 < modifyText.Count() )
REORDER );
// Queue a cursor reposition event; this must wait until after DoRelayout()
- mImpl->mTextInput->mUpdateCursorPosition = true;
+ mImpl->mEventData->mUpdateCursorPosition = true;
}
void Controller::UpdateModel( OperationsMask operationsRequired )
}
}
-View& Controller::GetView()
-{
- return mImpl->mView;
-}
-
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 );
+ Event event( Event::KEYBOARD_FOCUS_GAIN_EVENT );
+ mImpl->mEventData->mEventQueue.push_back( event );
- 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 );
+ Event event( Event::KEYBOARD_FOCUS_LOST_EVENT );
+ mImpl->mEventData->mEventQueue.push_back( event );
- RequestRelayout();
+ mImpl->RequestRelayout();
}
}
bool Controller::KeyEvent( const Dali::KeyEvent& keyEvent )
{
- DALI_ASSERT_DEBUG( mImpl->mTextInput && "Unexpected KeyEvent" );
+ DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected KeyEvent" );
- 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;
+ event.type = ModifyEvent::DELETE_TEXT;
mImpl->mModifyEvents.push_back( event );
}
else if( !keyString.empty() )
{
// Queue an insert event
ModifyEvent event;
- event.type = INSERT_TEXT;
+ event.type = ModifyEvent::INSERT_TEXT;
event.text = keyString;
mImpl->mModifyEvents.push_back( event );
}
- mImpl->mTextInput->ChangeState( TextInput::EDITING ); // todo Confirm this is the best place to change the state of
+ mImpl->ChangeState( EventData::EDITING ); // todo Confirm this is the best place to change the state of
- RequestRelayout();
+ mImpl->RequestRelayout();
}
return false;
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( mImpl->mTextInput )
+ 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();
}
}
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 )
{
- DALI_ASSERT_DEBUG( mImpl->mTextInput && "Unexpected GrabHandleEvent" );
+ DALI_ASSERT_DEBUG( mImpl->mEventData && "Unexpected GrabHandleEvent" );
- if( mImpl->mTextInput )
+ if( mImpl->mEventData )
{
- TextInput::Event event( TextInput::GRAB_HANDLE_EVENT );
+ Event event( Event::GRAB_HANDLE_EVENT );
event.p1.mUint = state;
event.p2.mFloat = x;
event.p3.mFloat = y;
- mImpl->mTextInput->mEventQueue.push_back( event );
+
+ mImpl->mEventData->mEventQueue.push_back( event );
- RequestRelayout();
+ mImpl->RequestRelayout();
}
}
private:
/**
- * @brief Request a relayout using the ControlInterface.
- */
- void RequestRelayout();
-
- /**
* @brief Private constructor.
*/
Controller( ControlInterface& controlInterface );
struct Impl;
Impl* mImpl;
-
- // Avoid allocating this when the user does not specify a font
- struct FontDefaults;
-
- // Avoid allocating this for non-editable controls
- struct TextInput;
};
} // namespace Text
projects / platform / core / uifw / dali-toolkit.git / commitdiff