Added IMF manager hooks
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / text-controls / text-field-impl.cpp
index d687d51..09a5ecc 100644 (file)
 #include <dali-toolkit/internal/controls/text-controls/text-field-impl.h>
 
 // EXTERNAL INCLUDES
+#include <string>
 #include <dali/public-api/adaptor-framework/key.h>
+#include <dali/public-api/common/stage.h>
 #include <dali/public-api/images/resource-image.h>
 #include <dali/public-api/object/type-registry.h>
 #include <dali/public-api/object/type-registry-helper.h>
-#include <dali/public-api/common/stage.h>
 #include <dali/integration-api/debug.h>
+#include <dali/public-api/adaptor-framework/virtual-keyboard.h>
 
 // INTERNAL INCLUDES
+#include <dali-toolkit/public-api/text/rendering-backend.h>
 #include <dali-toolkit/internal/text/layouts/layout-engine.h>
 #include <dali-toolkit/internal/text/rendering/text-backend.h>
+#include <dali-toolkit/internal/styling/style-manager-impl.h>
 
 using namespace Dali::Toolkit::Text;
 
-namespace
-{
-
-const unsigned int DEFAULT_RENDERING_BACKEND = 0;
-
-} // namespace
-
-
 namespace Dali
 {
 
@@ -51,6 +47,11 @@ namespace Internal
 
 namespace
 {
+  const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::Text::DEFAULT_RENDERING_BACKEND;
+}
+
+namespace
+{
 
 // Type registration
 BaseHandle Create()
@@ -67,6 +68,7 @@ DALI_PROPERTY_REGISTRATION( TextField, "text",                    STRING,    TEX
 DALI_PROPERTY_REGISTRATION( TextField, "font-family",             STRING,    FONT_FAMILY             )
 DALI_PROPERTY_REGISTRATION( TextField, "font-style",              STRING,    FONT_STYLE              )
 DALI_PROPERTY_REGISTRATION( TextField, "point-size",              FLOAT,     POINT_SIZE              )
+DALI_PROPERTY_REGISTRATION( TextField, "exceed-policy",           INTEGER,   EXCEED_POLICY           )
 DALI_PROPERTY_REGISTRATION( TextField, "cursor-image",            STRING,    CURSOR_IMAGE            )
 DALI_PROPERTY_REGISTRATION( TextField, "primary-cursor-color",    VECTOR4,   PRIMARY_CURSOR_COLOR    )
 DALI_PROPERTY_REGISTRATION( TextField, "secondary-cursor-color",  VECTOR4,   SECONDARY_CURSOR_COLOR  )
@@ -107,7 +109,7 @@ void TextField::SetProperty( BaseObject* object, Property::Index index, const Pr
     {
       case Toolkit::TextField::Property::RENDERING_BACKEND:
       {
-        unsigned int backend = value.Get< unsigned int >();
+        int backend = value.Get< int >();
 
         if( impl.mRenderingBackend != backend )
         {
@@ -132,6 +134,53 @@ void TextField::SetProperty( BaseObject* object, Property::Index index, const Pr
         }
         break;
       }
+      case Toolkit::TextField::Property::FONT_FAMILY:
+      {
+        if( impl.mController )
+        {
+          std::string fontFamily = value.Get< std::string >();
+
+          if( impl.mController->GetDefaultFontFamily() != fontFamily )
+          {
+            impl.mController->SetDefaultFontFamily( fontFamily );
+            impl.RequestTextRelayout();
+          }
+        }
+        break;
+      }
+      case Toolkit::TextField::Property::FONT_STYLE:
+      {
+        if( impl.mController )
+        {
+          std::string fontStyle = value.Get< std::string >();
+
+          if( impl.mController->GetDefaultFontStyle() != fontStyle )
+          {
+            impl.mController->SetDefaultFontStyle( fontStyle );
+            impl.RequestTextRelayout();
+          }
+        }
+        break;
+      }
+      case Toolkit::TextField::Property::POINT_SIZE:
+      {
+        if( impl.mController )
+        {
+          float pointSize = value.Get< float >();
+
+          if( impl.mController->GetDefaultPointSize() != pointSize /*TODO - epsilon*/ )
+          {
+            impl.mController->SetDefaultPointSize( pointSize );
+            impl.RequestTextRelayout();
+          }
+        }
+        break;
+      }
+      case Toolkit::TextField::Property::EXCEED_POLICY:
+      {
+        impl.mExceedPolicy = value.Get< int >();
+        break;
+      }
       case Toolkit::TextField::Property::CURSOR_IMAGE:
       {
         ResourceImage image = ResourceImage::New( value.Get< std::string >() );
@@ -162,7 +211,7 @@ void TextField::SetProperty( BaseObject* object, Property::Index index, const Pr
       {
         if( impl.mController )
         {
-          //impl.mController->SetEnableCursorBlink( value.Get< bool >() ); TODO
+          impl.mController->SetEnableCursorBlink( value.Get< bool >() );
         }
         break;
       }
@@ -241,6 +290,11 @@ Property::Value TextField::GetProperty( BaseObject* object, Property::Index inde
         }
         break;
       }
+      case Toolkit::TextField::Property::EXCEED_POLICY:
+      {
+        value = impl.mExceedPolicy;
+        break;
+      }
       case Toolkit::TextField::Property::CURSOR_IMAGE:
       {
         if( impl.mDecorator )
@@ -271,7 +325,7 @@ Property::Value TextField::GetProperty( BaseObject* object, Property::Index inde
       }
       case Toolkit::TextField::Property::ENABLE_CURSOR_BLINK:
       {
-        //value = impl.mController->GetEnableCursorBlink(); TODO
+        value = impl.mController->GetEnableCursorBlink();
         break;
       }
       case Toolkit::TextField::Property::CURSOR_BLINK_INTERVAL:
@@ -338,6 +392,11 @@ void TextField::OnInitialize()
   }
 }
 
+void TextField::OnStyleChange( Toolkit::StyleManager styleManager, StyleChange change )
+{
+  GetImpl( styleManager ).ApplyThemeStyle( Toolkit::Control( GetOwner() ) );
+}
+
 Vector3 TextField::GetNaturalSize()
 {
   return mController->GetNaturalSize();
@@ -350,7 +409,8 @@ float TextField::GetHeightForWidth( float width )
 
 void TextField::OnRelayout( const Vector2& size, ActorSizeContainer& container )
 {
-  if( mController->Relayout( size ) )
+  if( mController->Relayout( size ) ||
+      !mRenderer )
   {
     if( mDecorator )
     {
@@ -362,20 +422,82 @@ void TextField::OnRelayout( const Vector2& size, ActorSizeContainer& container )
       mRenderer = Backend::Get().NewRenderer( mRenderingBackend );
     }
 
+    RenderableActor renderableActor;
     if( mRenderer )
     {
-      Actor renderableActor = mRenderer->Render( mController->GetView() );
+      renderableActor = mRenderer->Render( mController->GetView() );
+    }
+
+    EnableClipping( (Dali::Toolkit::TextField::EXCEED_POLICY_CLIP == mExceedPolicy), size );
+
+    if( renderableActor != mRenderableActor )
+    {
+      UnparentAndReset( mRenderableActor );
+      mRenderableActor = renderableActor;
+    }
 
-      if( renderableActor )
+    if( mRenderableActor )
+    {
+      // Make sure the actor is parented correctly with/without clipping
+      if( mClipper )
+      {
+        mClipper->GetRootActor().Add( mRenderableActor );
+      }
+      else
       {
-        Self().Add( renderableActor );
+        Self().Add( mRenderableActor );
       }
     }
   }
 }
 
+void TextField::OnKeyInputFocusGained()
+{
+  VirtualKeyboard::StatusChangedSignal().Connect( this, &TextField::KeyboardStatusChanged );
+
+  ImfManager imfManager = ImfManager::Get();
+
+  if ( imfManager )
+  {
+    imfManager.EventReceivedSignal().Connect( this, &TextField::OnImfEvent );
+
+    // Notify that the text editing start.
+    imfManager.Activate();
+
+    // When window gain lost focus, the imf manager is deactivated. Thus when window gain focus again, the imf manager must be activated.
+    imfManager.SetRestoreAfterFocusLost( true );
+  }
+
+  mController->KeyboardFocusGainEvent();
+}
+
+void TextField::OnKeyInputFocusLost()
+{
+  VirtualKeyboard::StatusChangedSignal().Disconnect( this, &TextField::KeyboardStatusChanged );
+
+  ImfManager imfManager = ImfManager::Get();
+  if ( imfManager )
+  {
+    // The text editing is finished. Therefore the imf manager don't have restore activation.
+    imfManager.SetRestoreAfterFocusLost( false );
+
+    // Notify that the text editing finish.
+    imfManager.Deactivate();
+
+    imfManager.EventReceivedSignal().Disconnect( this, &TextField::OnImfEvent );
+  }
+
+  mController->KeyboardFocusLostEvent();
+}
+
 void TextField::OnTap( const TapGesture& gesture )
 {
+  // Show the keyboard if it was hidden.
+  if (!VirtualKeyboard::IsVisible())
+  {
+    VirtualKeyboard::Show();
+  }
+
   SetKeyInputFocus();
 
   mController->TapEvent( gesture.numberOfTaps, gesture.localPoint.x, gesture.localPoint.y );
@@ -391,19 +513,91 @@ bool TextField::OnKeyEvent( const KeyEvent& event )
   return mController->KeyEvent( event );
 }
 
+ImfManager::ImfCallbackData TextField::OnImfEvent( Dali::ImfManager& imfManager, const ImfManager::ImfEventData&  imfEvent )
+{
+  switch ( imfEvent.eventName )
+  {
+    case ImfManager::PREEDIT:
+    {
+      // TODO
+      break;
+    }
+    case ImfManager::COMMIT:
+    {
+      // TODO
+      break;
+    }
+    case ImfManager::DELETESURROUNDING:
+    {
+      // TODO
+      break;
+    }
+    case ImfManager::GETSURROUNDING:
+    {
+      // TODO
+      break;
+    }
+    case ImfManager::VOID:
+    {
+      // do nothing
+    }
+  } // end switch
+
+  return ImfManager::ImfCallbackData();
+}
+
 void TextField::RequestTextRelayout()
 {
   RelayoutRequest();
 }
 
+void TextField::EnableClipping( bool clipping, const Vector2& size )
+{
+  if( clipping )
+  {
+    // 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();
+
+        mClipper = Clipper::New( size );
+        self.Add( mClipper->GetRootActor() );
+        self.Add( mClipper->GetImageActor() );
+      }
+      else if ( mClipper )
+      {
+        mClipper->Refresh( size );
+      }
+    }
+  }
+  else
+  {
+    // Note - this will automatically remove the root & image actors
+    mClipper.Reset();
+  }
+}
+
+void TextField::KeyboardStatusChanged(bool keyboardShown)
+{
+  // Just hide the grab handle when keyboard is hidden.
+  if (!keyboardShown )
+  {
+    mController->KeyboardFocusLostEvent();
+  }
+}
+
 TextField::TextField()
-: Control( ControlBehaviour( CONTROL_BEHAVIOUR_NONE ) ),
-  mRenderingBackend( DEFAULT_RENDERING_BACKEND )
+: Control( ControlBehaviour( REQUIRES_STYLE_CHANGE_SIGNALS ) ),
+  mRenderingBackend( DEFAULT_RENDERING_BACKEND ),
+  mExceedPolicy( Dali::Toolkit::TextField::EXCEED_POLICY_CLIP )
 {
 }
 
 TextField::~TextField()
 {
+  mClipper.Reset();
 }
 
 } // namespace Internal