ResizePolicy for TextField
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / text-controls / text-field-impl.cpp
index fabfc7d..f189207 100644 (file)
@@ -25,6 +25,7 @@
 #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/scripting/scripting.h>
 #include <dali/integration-api/debug.h>
 #include <dali/public-api/adaptor-framework/virtual-keyboard.h>
 
@@ -53,6 +54,22 @@ namespace
 namespace
 {
 
+const Scripting::StringEnum< Toolkit::Text::LayoutEngine::HorizontalAlignment > HORIZONTAL_ALIGNMENT_STRING_TABLE[] =
+{
+  { "BEGIN",  Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_BEGIN  },
+  { "CENTER", Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_CENTER },
+  { "END",    Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_END    },
+};
+const unsigned int HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT = sizeof( HORIZONTAL_ALIGNMENT_STRING_TABLE ) / sizeof( HORIZONTAL_ALIGNMENT_STRING_TABLE[0] );
+
+const Scripting::StringEnum< Toolkit::Text::LayoutEngine::VerticalAlignment > VERTICAL_ALIGNMENT_STRING_TABLE[] =
+{
+  { "TOP",    Toolkit::Text::LayoutEngine::VERTICAL_ALIGN_TOP    },
+  { "CENTER", Toolkit::Text::LayoutEngine::VERTICAL_ALIGN_CENTER },
+  { "BOTTOM", Toolkit::Text::LayoutEngine::VERTICAL_ALIGN_BOTTOM },
+};
+const unsigned int VERTICAL_ALIGNMENT_STRING_TABLE_COUNT = sizeof( VERTICAL_ALIGNMENT_STRING_TABLE ) / sizeof( VERTICAL_ALIGNMENT_STRING_TABLE[0] );
+
 // Type registration
 BaseHandle Create()
 {
@@ -69,15 +86,15 @@ DALI_PROPERTY_REGISTRATION( TextField, "font-family",             STRING,    FON
 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  )
 DALI_PROPERTY_REGISTRATION( TextField, "enable-cursor-blink",     BOOLEAN,   ENABLE_CURSOR_BLINK     )
 DALI_PROPERTY_REGISTRATION( TextField, "cursor-blink-interval",   FLOAT,     CURSOR_BLINK_INTERVAL   )
 DALI_PROPERTY_REGISTRATION( TextField, "cursor-blink-duration",   FLOAT,     CURSOR_BLINK_DURATION   )
 DALI_PROPERTY_REGISTRATION( TextField, "grab-handle-image",       STRING,    GRAB_HANDLE_IMAGE       )
-DALI_PROPERTY_REGISTRATION( TextField, "decoration bounding-box", RECTANGLE, DECORATION_BOUNDING_BOX )
-
+DALI_PROPERTY_REGISTRATION( TextField, "decoration-bounding-box", RECTANGLE, DECORATION_BOUNDING_BOX )
+DALI_PROPERTY_REGISTRATION( TextField, "horizontal-alignment",    STRING,    HORIZONTAL_ALIGNMENT    )
+DALI_PROPERTY_REGISTRATION( TextField, "vertical-alignment",      STRING,    VERTICAL_ALIGNMENT      )
 DALI_TYPE_REGISTRATION_END()
 
 } // namespace
@@ -181,16 +198,6 @@ void TextField::SetProperty( BaseObject* object, Property::Index index, const Pr
         impl.mExceedPolicy = value.Get< int >();
         break;
       }
-      case Toolkit::TextField::Property::CURSOR_IMAGE:
-      {
-        ResourceImage image = ResourceImage::New( value.Get< std::string >() );
-
-        if( impl.mDecorator )
-        {
-          impl.mDecorator->SetCursorImage( image );
-        }
-        break;
-      }
       case Toolkit::TextField::Property::PRIMARY_CURSOR_COLOR:
       {
         if( impl.mDecorator )
@@ -249,8 +256,36 @@ void TextField::SetProperty( BaseObject* object, Property::Index index, const Pr
         }
         break;
       }
-    }
-  }
+      case Toolkit::TextField::Property::HORIZONTAL_ALIGNMENT:
+      {
+        LayoutEngine& engine = impl.mController->GetLayoutEngine();
+        const LayoutEngine::HorizontalAlignment alignment = Scripting::GetEnumeration< Toolkit::Text::LayoutEngine::HorizontalAlignment >( value.Get< std::string >().c_str(),
+                                                                                                                                           HORIZONTAL_ALIGNMENT_STRING_TABLE,
+                                                                                                                                           HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT );
+
+        if( engine.GetHorizontalAlignment() != alignment )
+        {
+          engine.SetHorizontalAlignment( alignment );
+          impl.RequestTextRelayout();
+        }
+        break;
+      }
+      case Toolkit::TextField::Property::VERTICAL_ALIGNMENT:
+      {
+        LayoutEngine& engine = impl.mController->GetLayoutEngine();
+        const LayoutEngine::VerticalAlignment alignment = Scripting::GetEnumeration< Toolkit::Text::LayoutEngine::VerticalAlignment >( value.Get< std::string >().c_str(),
+                                                                                                                                       VERTICAL_ALIGNMENT_STRING_TABLE,
+                                                                                                                                       VERTICAL_ALIGNMENT_STRING_TABLE_COUNT );
+
+        if( engine.GetVerticalAlignment() != alignment )
+        {
+          engine.SetVerticalAlignment( alignment );
+          impl.RequestTextRelayout();
+        }
+        break;
+      }
+    } // switch
+  } // textfield
 }
 
 Property::Value TextField::GetProperty( BaseObject* object, Property::Index index )
@@ -295,18 +330,6 @@ Property::Value TextField::GetProperty( BaseObject* object, Property::Index inde
         value = impl.mExceedPolicy;
         break;
       }
-      case Toolkit::TextField::Property::CURSOR_IMAGE:
-      {
-        if( impl.mDecorator )
-        {
-          ResourceImage image = ResourceImage::DownCast( impl.mDecorator->GetCursorImage() );
-          if( image )
-          {
-            value = image.GetUrl();
-          }
-        }
-        break;
-      }
       case Toolkit::TextField::Property::PRIMARY_CURSOR_COLOR:
       {
         if( impl.mDecorator )
@@ -344,27 +367,35 @@ Property::Value TextField::GetProperty( BaseObject* object, Property::Index inde
         }
         break;
       }
-      case Toolkit::TextField::Property::GRAB_HANDLE_IMAGE:
+      case Toolkit::TextField::Property::DECORATION_BOUNDING_BOX:
       {
         if( impl.mDecorator )
         {
-          ResourceImage image = ResourceImage::DownCast( impl.mDecorator->GetCursorImage() );
-          if( image )
-          {
-            value = image.GetUrl();
-          }
+          value = impl.mDecorator->GetBoundingBox();
         }
         break;
       }
-      case Toolkit::TextField::Property::DECORATION_BOUNDING_BOX:
+      case Toolkit::TextField::Property::HORIZONTAL_ALIGNMENT:
       {
-        if( impl.mDecorator )
+        if( impl.mController )
         {
-          value = impl.mDecorator->GetBoundingBox();
+          value = std::string( Scripting::GetEnumerationName< Toolkit::Text::LayoutEngine::HorizontalAlignment >( impl.mController->GetLayoutEngine().GetHorizontalAlignment(),
+                                                                                                                  HORIZONTAL_ALIGNMENT_STRING_TABLE,
+                                                                                                                  HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT ) );
         }
         break;
       }
-    }
+      case Toolkit::TextField::Property::VERTICAL_ALIGNMENT:
+      {
+        if( impl.mController )
+        {
+          value = std::string( Scripting::GetEnumerationName< Toolkit::Text::LayoutEngine::VerticalAlignment >( impl.mController->GetLayoutEngine().GetVerticalAlignment(),
+                                                                                                                  VERTICAL_ALIGNMENT_STRING_TABLE,
+                                                                                                                  VERTICAL_ALIGNMENT_STRING_TABLE_COUNT ) );
+        }
+        break;
+      }
+    } //switch
   }
 
   return value;
@@ -372,6 +403,8 @@ Property::Value TextField::GetProperty( BaseObject* object, Property::Index inde
 
 void TextField::OnInitialize()
 {
+  Actor self = Self();
+
   mController = Text::Controller::New( *this );
 
   mDecorator = Text::Decorator::New( *this, *mController );
@@ -383,6 +416,7 @@ void TextField::OnInitialize()
   // Forward input events to controller
   EnableGestureDetection(Gesture::Tap);
   GetTapGestureDetector().SetMaximumTapsRequired( 2 );
+  EnableGestureDetection(Gesture::Pan);
 
   // Set BoundingBox to stage size if not already set.
   if ( mDecorator->GetBoundingBox().IsEmpty() )
@@ -390,6 +424,10 @@ void TextField::OnInitialize()
     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
     mDecorator->SetBoundingBox( Rect<int>( 0.0f, 0.0f, stageSize.width, stageSize.height ) );
   }
+
+  // Fill-parent area by default
+  self.SetResizePolicy( FILL_TO_PARENT, WIDTH );
+  self.SetResizePolicy( FILL_TO_PARENT, HEIGHT );
 }
 
 void TextField::OnStyleChange( Toolkit::StyleManager styleManager, StyleChange change )
@@ -407,14 +445,19 @@ float TextField::GetHeightForWidth( float width )
   return mController->GetHeightForWidth( width );
 }
 
-void TextField::OnRelayout( const Vector2& size, ActorSizeContainer& container )
+void TextField::OnRelayout( const Vector2& size, RelayoutContainer& container )
 {
   if( mController->Relayout( size ) ||
       !mRenderer )
   {
+    const Vector2& scrollPosition = mController->GetScrollPosition();
+    const Vector2& alignmentOffset = mController->GetAlignmentOffset();
+
+    Vector2 offset = scrollPosition + alignmentOffset;
+
     if( mDecorator )
     {
-      mDecorator->Relayout( size );
+      mDecorator->Relayout( size, offset );
     }
 
     if( !mRenderer )
@@ -438,6 +481,8 @@ void TextField::OnRelayout( const Vector2& size, ActorSizeContainer& container )
 
     if( mRenderableActor )
     {
+      mRenderableActor.SetPosition( offset.x, offset.y );
+
       // Make sure the actor is parented correctly with/without clipping
       if( mClipper )
       {
@@ -455,6 +500,19 @@ 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();
 }
 
@@ -462,6 +520,18 @@ 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();
 }
 
@@ -478,6 +548,11 @@ void TextField::OnTap( const TapGesture& gesture )
   mController->TapEvent( gesture.numberOfTaps, gesture.localPoint.x, gesture.localPoint.y );
 }
 
+void TextField::OnPan( const PanGesture& gesture )
+{
+  mController->PanEvent( gesture.state, gesture.displacement );
+}
+
 bool TextField::OnKeyEvent( const KeyEvent& event )
 {
   if( Dali::DALI_KEY_ESCAPE == event.keyCode )
@@ -488,6 +563,28 @@ 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::COMMIT:
+    {
+      KeyEvent event( "", imfEvent.predictiveString, 0, 0, 0, KeyEvent::Down );
+      mController->KeyEvent( event );
+      break;
+    }
+    case ImfManager::PREEDIT: // fall through
+    case ImfManager::DELETESURROUNDING:
+    case ImfManager::GETSURROUNDING:
+    case ImfManager::VOID:
+    {
+      // do nothing
+    }
+  } // end switch
+
+  return ImfManager::ImfCallbackData();
+}
+
 void TextField::RequestTextRelayout()
 {
   RelayoutRequest();