Fix cursor's position when there is no text and the width is > 1.
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / text / decorator / text-decorator.cpp
index bdfc356..2f8d0e4 100644 (file)
@@ -87,8 +87,6 @@ namespace
 {
 
 const char* DEFAULT_GRAB_HANDLE_IMAGE_RELEASED( DALI_IMAGE_DIR "cursor_handler_center.png" );
-const char* DEFAULT_SELECTION_HANDLE_ONE_RELEASED( DALI_IMAGE_DIR "selection_handle_left.png" );
-const char* DEFAULT_SELECTION_HANDLE_TWO_RELEASED( DALI_IMAGE_DIR "selection_handle_right.png" );
 
 const int DEFAULT_POPUP_OFFSET( -100.0f ); // Vertical offset of Popup from cursor or handles position.
 
@@ -109,6 +107,8 @@ const float SCROLL_THRESHOLD = 10.f;
 const float SCROLL_SPEED = 300.f;
 const float SCROLL_DISTANCE = SCROLL_SPEED * SCROLL_TICK_INTERVAL * TO_SECONDS;
 
+const float CURSOR_WIDTH = 1.f;
+
 /**
  * structure to hold coordinates of each quad, which will make up the mesh.
  */
@@ -214,6 +214,7 @@ struct Decorator::Impl : public ConnectionTracker
 
     ImageActor actor;
     Actor grabArea;
+    ImageActor markerActor;
 
     Vector2 position;
     float lineHeight; ///< Not the handle height
@@ -250,6 +251,7 @@ struct Decorator::Impl : public ConnectionTracker
     mActiveCursor( ACTIVE_CURSOR_NONE ),
     mCursorBlinkInterval( CURSOR_BLINK_INTERVAL ),
     mCursorBlinkDuration( 0.0f ),
+    mCursorWidth( CURSOR_WIDTH ),
     mHandleScrolling( HANDLE_TYPE_COUNT ),
     mScrollDirection( SCROLL_NONE ),
     mScrollThreshold( SCROLL_THRESHOLD ),
@@ -290,7 +292,7 @@ struct Decorator::Impl : public ConnectionTracker
 
         mPrimaryCursor.SetPosition( position.x,
                                     position.y );
-        mPrimaryCursor.SetSize( Size( 1.0f, cursor.cursorHeight ) );
+        mPrimaryCursor.SetSize( Size( mCursorWidth, cursor.cursorHeight ) );
       }
       mPrimaryCursor.SetVisible( mPrimaryCursorVisible );
     }
@@ -302,7 +304,7 @@ struct Decorator::Impl : public ConnectionTracker
       {
         mSecondaryCursor.SetPosition( cursor.position.x,
                                       cursor.position.y );
-        mSecondaryCursor.SetSize( Size( 1.0f, cursor.cursorHeight ) );
+        mSecondaryCursor.SetSize( Size( mCursorWidth, cursor.cursorHeight ) );
       }
       mSecondaryCursor.SetVisible( mSecondaryCursorVisible );
     }
@@ -321,7 +323,7 @@ struct Decorator::Impl : public ConnectionTracker
 
         CreateGrabHandle();
 
-        grabHandle.actor.SetPosition( position.x,
+        grabHandle.actor.SetPosition( position.x - floor( 0.5f * mCursorWidth ),
                                       position.y + grabHandle.lineHeight ); // TODO : Fix for multiline.
       }
       grabHandle.actor.SetVisible( isVisible );
@@ -352,12 +354,16 @@ struct Decorator::Impl : public ConnectionTracker
         {
           primary.actor.SetPosition( primaryPosition.x,
                                      primaryPosition.y + primary.lineHeight ); // TODO : Fix for multiline.
+
+          SetSelectionHandleMarkerSize( primary );
         }
 
         if( isSecondaryVisible )
         {
           secondary.actor.SetPosition( secondaryPosition.x,
                                        secondaryPosition.y + secondary.lineHeight ); // TODO : Fix for multiline.
+
+          SetSelectionHandleMarkerSize( secondary );
         }
       }
       primary.actor.SetVisible( isPrimaryVisible );
@@ -465,7 +471,7 @@ struct Decorator::Impl : public ConnectionTracker
     cursor = CreateSolidColorActor( color );
     cursor.SetSortModifier( DECORATION_DEPTH_INDEX );
     cursor.SetParentOrigin( ParentOrigin::TOP_LEFT ); // Need to set the default parent origin as CreateSolidColorActor() sets a different one.
-    cursor.SetAnchorPoint( AnchorPoint::TOP_CENTER );
+    cursor.SetAnchorPoint( AnchorPoint::TOP_RIGHT );
   }
 
   // Add or Remove cursor(s) from parent
@@ -579,6 +585,15 @@ struct Decorator::Impl : public ConnectionTracker
     mActiveLayer.RaiseToTop();
   }
 
+  void SetSelectionHandleMarkerSize( HandleImpl& handle )
+  {
+    if ( handle.markerActor )
+    {
+      handle.markerActor.SetResizePolicy ( ResizePolicy::FIXED, Dimension::HEIGHT );
+      handle.markerActor.SetSize( 0, handle.lineHeight );
+    }
+  }
+
   void CreateGrabHandle()
   {
     HandleImpl& grabHandle = mHandle[GRAB_HANDLE];
@@ -629,16 +644,32 @@ struct Decorator::Impl : public ConnectionTracker
     }
   }
 
-  void CreateSelectionHandles()
+  void CreateHandleMarker( HandleImpl& handle, Image& image, HandleType handleType )
   {
-    HandleImpl& primary = mHandle[ LEFT_SELECTION_HANDLE ];
-    if( !primary.actor )
+    if ( image)
     {
-      if( !mHandleImages[LEFT_SELECTION_HANDLE][HANDLE_IMAGE_RELEASED] )
+      handle.markerActor = ImageActor::New( image );
+      handle.markerActor.SetColor( mHandleColor );
+      handle.actor.Add( handle.markerActor );
+
+      if ( LEFT_SELECTION_HANDLE == handleType )
       {
-        mHandleImages[LEFT_SELECTION_HANDLE][HANDLE_IMAGE_RELEASED] = ResourceImage::New( DEFAULT_SELECTION_HANDLE_ONE_RELEASED );
+        handle.markerActor.SetAnchorPoint( AnchorPoint::BOTTOM_RIGHT );
+        handle.markerActor.SetParentOrigin( ParentOrigin::TOP_RIGHT );
       }
+      else if ( RIGHT_SELECTION_HANDLE == handleType )
+      {
+        handle.markerActor.SetAnchorPoint( AnchorPoint::BOTTOM_LEFT );
+        handle.markerActor.SetParentOrigin( ParentOrigin::TOP_LEFT );
+      }
+    }
+  }
 
+  void CreateSelectionHandles()
+  {
+    HandleImpl& primary = mHandle[ LEFT_SELECTION_HANDLE ];
+    if( !primary.actor )
+    {
       primary.actor = ImageActor::New( mHandleImages[LEFT_SELECTION_HANDLE][HANDLE_IMAGE_RELEASED] );
 #ifdef DECORATOR_DEBUG
       primary.actor.SetName("SelectionHandleOne");
@@ -662,6 +693,8 @@ struct Decorator::Impl : public ConnectionTracker
       primary.grabArea.TouchedSignal().Connect( this, &Decorator::Impl::OnHandleOneTouched );
 
       primary.actor.Add( primary.grabArea );
+
+      CreateHandleMarker( primary, mHandleImages[LEFT_SELECTION_HANDLE_MARKER][HANDLE_IMAGE_RELEASED], LEFT_SELECTION_HANDLE );
     }
 
     if( !primary.actor.GetParent() )
@@ -672,11 +705,6 @@ struct Decorator::Impl : public ConnectionTracker
     HandleImpl& secondary = mHandle[ RIGHT_SELECTION_HANDLE ];
     if( !secondary.actor )
     {
-      if( !mHandleImages[RIGHT_SELECTION_HANDLE][HANDLE_IMAGE_RELEASED] )
-      {
-        mHandleImages[RIGHT_SELECTION_HANDLE][HANDLE_IMAGE_RELEASED] = ResourceImage::New( DEFAULT_SELECTION_HANDLE_TWO_RELEASED );
-      }
-
       secondary.actor = ImageActor::New( mHandleImages[RIGHT_SELECTION_HANDLE][HANDLE_IMAGE_RELEASED] );
 #ifdef DECORATOR_DEBUG
       secondary.actor.SetName("SelectionHandleTwo");
@@ -700,6 +728,8 @@ struct Decorator::Impl : public ConnectionTracker
       secondary.grabArea.TouchedSignal().Connect( this, &Decorator::Impl::OnHandleTwoTouched );
 
       secondary.actor.Add( secondary.grabArea );
+
+      CreateHandleMarker( secondary, mHandleImages[RIGHT_SELECTION_HANDLE_MARKER][HANDLE_IMAGE_RELEASED], RIGHT_SELECTION_HANDLE  );
     }
 
     if( !secondary.actor.GetParent() )
@@ -1142,6 +1172,15 @@ struct Decorator::Impl : public ConnectionTracker
     rightHandle.actor.SetImage( rightFlipped ? mHandleImages[LEFT_SELECTION_HANDLE][rightImageType] : mHandleImages[RIGHT_SELECTION_HANDLE][rightImageType] );
 
     rightHandle.actor.SetAnchorPoint( rightFlipped ? AnchorPoint::TOP_RIGHT : AnchorPoint::TOP_LEFT );
+
+    if ( leftHandle.markerActor )
+    {
+      leftHandle.markerActor.SetImage( leftFlipped ? mHandleImages[RIGHT_SELECTION_HANDLE_MARKER][leftImageType] : mHandleImages[LEFT_SELECTION_HANDLE_MARKER][leftImageType] );
+    }
+    if ( rightHandle.markerActor )
+    {
+      rightHandle.markerActor.SetImage( rightFlipped ? mHandleImages[LEFT_SELECTION_HANDLE_MARKER][rightImageType] : mHandleImages[RIGHT_SELECTION_HANDLE_MARKER][rightImageType] );
+    }
   }
 
   void SetScrollThreshold( float threshold )
@@ -1261,6 +1300,7 @@ struct Decorator::Impl : public ConnectionTracker
   unsigned int        mActiveCursor;
   unsigned int        mCursorBlinkInterval;
   float               mCursorBlinkDuration;
+  float               mCursorWidth;             ///< The width of the cursors in pixels.
   HandleType          mHandleScrolling;         ///< The handle which is scrolling.
   ScrollDirection     mScrollDirection;         ///< The direction of the scroll.
   float               mScrollThreshold;         ///< Defines a square area inside the control, close to the edge. A cursor entering this area will trigger scroll events.
@@ -1388,6 +1428,16 @@ float Decorator::GetCursorBlinkDuration() const
   return mImpl->mCursorBlinkDuration;
 }
 
+void Decorator::SetCursorWidth( int width )
+{
+  mImpl->mCursorWidth = static_cast<float>( width );
+}
+
+int Decorator::GetCursorWidth() const
+{
+  return static_cast<int>( mImpl->mCursorWidth );
+}
+
 /** Handles **/
 
 void Decorator::SetHandleActive( HandleType handleType, bool active )