[3.0] Text - TextClipper replaced by an Actor with the CLIPPING_MODE enabled.

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / text-controls / text-field-impl.cpp

diff --git a/dali-toolkit/internal/controls/text-controls/text-field-impl.cpp b/dali-toolkit/internal/controls/text-controls/text-field-impl.cpp
index e0d75ce..e8e24cf 100644 (file)
--- a/dali-toolkit/internal/controls/text-controls/text-field-impl.cpp
+++ b/dali-toolkit/internal/controls/text-controls/text-field-impl.cpp
@@ -30,7 +30,9 @@
 
 // INTERNAL INCLUDES
 #include <dali-toolkit/public-api/text/rendering-backend.h>
+#include <dali-toolkit/public-api/visuals/color-visual-properties.h>
 #include <dali-toolkit/devel-api/controls/control-depth-index-ranges.h>
+#include <dali-toolkit/devel-api/visuals/visual-properties-devel.h>
 #include <dali-toolkit/internal/text/rendering/text-backend.h>
 #include <dali-toolkit/internal/text/text-effects-style.h>
 #include <dali-toolkit/internal/text/text-font-style.h>
@@ -270,7 +272,17 @@ void TextField::SetProperty( BaseObject* object, Property::Index index, const Pr
       }
       case Toolkit::TextField::Property::EXCEED_POLICY:
       {
-        // TODO
+        impl.mExceedPolicy = value.Get<int>();
+
+        if( Dali::Toolkit::TextField::EXCEED_POLICY_CLIP == impl.mExceedPolicy )
+        {
+          impl.EnableClipping();
+        }
+        else
+        {
+          UnparentAndReset( impl.mStencil );
+        }
+        impl.RequestTextRelayout();
         break;
       }
       case Toolkit::TextField::Property::HORIZONTAL_ALIGNMENT:
@@ -1114,7 +1126,7 @@ void TextField::OnInitialize()
 {
   Actor self = Self();
 
-  mController = Text::Controller::New( *this );
+  mController = Text::Controller::New( this, this );
 
   // When using the vector-based rendering, the size of the GLyphs are different
   TextAbstraction::GlyphType glyphType = (Text::RENDERING_VECTOR_BASED == mRenderingBackend) ? TextAbstraction::VECTOR_GLYPH : TextAbstraction::BITMAP_GLYPH;
@@ -1160,6 +1172,11 @@ void TextField::OnInitialize()
   self.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
   self.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT );
   self.OnStageSignal().Connect( this, &TextField::OnStageConnect );
+
+  if( Dali::Toolkit::TextField::EXCEED_POLICY_CLIP == mExceedPolicy )
+  {
+    EnableClipping();
+  }
 }
 
 void TextField::OnStyleChange( Toolkit::StyleManager styleManager, StyleChange::Type change )
@@ -1222,7 +1239,6 @@ void TextField::OnRelayout( const Vector2& size, RelayoutContainer& container )
       mRenderer = Backend::Get().NewRenderer( mRenderingBackend );
     }
 
-    EnableClipping( ( Dali::Toolkit::TextField::EXCEED_POLICY_CLIP == mExceedPolicy ), size );
     RenderText( updateTextType );
   }
 
@@ -1248,7 +1264,6 @@ void TextField::OnRelayout( const Vector2& size, RelayoutContainer& container )
 
   void TextField::RenderText( Text::Controller::UpdateTextType updateTextType )
 {
-  Actor self = Self();
   Actor renderableActor;
 
   if( Text::Controller::NONE_UPDATED != ( Text::Controller::MODEL_UPDATED & updateTextType ) )
@@ -1271,39 +1286,19 @@ void TextField::OnRelayout( const Vector2& size, RelayoutContainer& container )
 
     mRenderableActor.SetPosition( scrollOffset.x, scrollOffset.y );
 
-    Actor clipRootActor;
-    if( mClipper )
-    {
-      clipRootActor = mClipper->GetRootActor();
-    }
+    // Make sure the actors are parented correctly with/without clipping
+    Actor self = mStencil ? mStencil : Self();
 
     for( std::vector<Actor>::const_iterator it = mClippingDecorationActors.begin(),
            endIt = mClippingDecorationActors.end();
          it != endIt;
          ++it )
     {
-      Actor actor = *it;
-
-      if( clipRootActor )
-      {
-        clipRootActor.Add( actor );
-      }
-      else
-      {
-        self.Add( actor );
-      }
+      self.Add( *it );
     }
     mClippingDecorationActors.clear();
 
-    // Make sure the actor is parented correctly with/without clipping
-    if( clipRootActor )
-    {
-      clipRootActor.Add( mRenderableActor );
-    }
-    else
-    {
-      self.Add( mRenderableActor );
-    }
+    self.Add( mRenderableActor );
   }
 }
 
@@ -1416,21 +1411,6 @@ bool TextField::OnKeyEvent( const KeyEvent& event )
   return mController->KeyEvent( event );
 }
 
-void TextField::AddDecoration( Actor& actor, bool needsClipping )
-{
-  if( actor )
-  {
-    if( needsClipping )
-    {
-      mClippingDecorationActors.push_back( actor );
-    }
-    else
-    {
-      Self().Add( actor );
-    }
-  }
-}
-
 void TextField::RequestTextRelayout()
 {
   RelayoutRequest();
@@ -1442,6 +1422,12 @@ void TextField::TextChanged()
   mTextChangedSignal.Emit( handle );
 }
 
+void TextField::MaxLengthReached()
+{
+  Dali::Toolkit::TextField handle( GetOwner() );
+  mMaxLengthReachedSignal.Emit( handle );
+}
+
 void TextField::InputStyleChanged( Text::InputStyle::Mask inputStyleMask )
 {
   Dali::Toolkit::TextField handle( GetOwner() );
@@ -1492,6 +1478,21 @@ void TextField::InputStyleChanged( Text::InputStyle::Mask inputStyleMask )
   mInputStyleChangedSignal.Emit( handle, fieldInputStyleMask );
 }
 
+void TextField::AddDecoration( Actor& actor, bool needsClipping )
+{
+  if( actor )
+  {
+    if( needsClipping )
+    {
+      mClippingDecorationActors.push_back( actor );
+    }
+    else
+    {
+      Self().Add( actor );
+    }
+  }
+}
+
 void TextField::OnStageConnect( Dali::Actor actor )
 {
   if ( mHasBeenStaged )
@@ -1504,12 +1505,6 @@ void TextField::OnStageConnect( Dali::Actor actor )
   }
 }
 
-void TextField::MaxLengthReached()
-{
-  Dali::Toolkit::TextField handle( GetOwner() );
-  mMaxLengthReachedSignal.Emit( handle );
-}
-
 ImfManager::ImfCallbackData TextField::OnImfEvent( Dali::ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent )
 {
   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextField::OnImfEvent %p eventName %d\n", mController.Get(), imfEvent.eventName );
@@ -1531,31 +1526,27 @@ void TextField::GetHandleImagePropertyValue(  Property::Value& value, Text::Hand
   }
 }
 
-void TextField::EnableClipping( bool clipping, const Vector2& size )
+void TextField::EnableClipping()
 {
-  if( clipping )
+  if( !mStencil )
   {
-    // Not worth to created clip actor if width or height is equal to zero.
-    if( size.width > Math::MACHINE_EPSILON_1000 && size.height > Math::MACHINE_EPSILON_1000 )
-    {
-      if( !mClipper )
-      {
-        Actor self = Self();
+    // Creates an extra control to be used as stencil buffer.
+    mStencil = Control::New();
+    mStencil.SetAnchorPoint( AnchorPoint::CENTER );
+    mStencil.SetParentOrigin( ParentOrigin::CENTER );
 
-        mClipper = Clipper::New( size );
-        self.Add( mClipper->GetRootActor() );
-        self.Add( mClipper->GetImageView() );
-      }
-      else if ( mClipper )
-      {
-        mClipper->Refresh( size );
-      }
-    }
-  }
-  else
-  {
-    // Note - this will automatically remove the root actor & the image view
-    mClipper.Reset();
+    // Creates a background visual. Even if the color is transparent it updates the stencil.
+    Property::Map backGroundMap;
+    backGroundMap[Toolkit::Visual::Property::TYPE] = Visual::COLOR;
+    backGroundMap[ColorVisual::Property::MIX_COLOR] = Color::TRANSPARENT;
+
+    mStencil.SetProperty( Toolkit::Control::Property::BACKGROUND, backGroundMap );
+
+    // Enable the clipping property.
+    mStencil.SetProperty( Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_CHILDREN );
+    mStencil.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
+
+    Self().Add( mStencil );
   }
 }
 
@@ -1615,7 +1606,7 @@ TextField::TextField()
 
 TextField::~TextField()
 {
-  mClipper.Reset();
+  UnparentAndReset( mStencil );
 
   if( ( NULL != mIdleCallback ) && Adaptor::IsAvailable() )
   {