Added some Selection Highlight code to Decorator

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / text / text-controller.cpp

diff --git a/dali-toolkit/internal/text/text-controller.cpp b/dali-toolkit/internal/text/text-controller.cpp
index 04093a4..1a39d16 100644 (file)
--- a/dali-toolkit/internal/text/text-controller.cpp
+++ b/dali-toolkit/internal/text/text-controller.cpp
@@ -109,7 +109,8 @@ struct Controller::TextInput
   {
     INACTIVE,
     SELECTING,
-    EDITING
+    EDITING,
+    EDITING_WITH_POPUP
   };
 
   TextInput( LogicalModelPtr logicalModel,
@@ -123,9 +124,9 @@ struct Controller::TextInput
     mSecondaryCursorPosition( 0u ),
     mDecoratorUpdated( false ),
     mCursorBlinkEnabled( true ),
-    mGrabHandleEnabled( false ),
-    mGrabHandlePopupEnabled( false ),
-    mSelectionEnabled( false ),
+    mGrabHandleEnabled( true ),
+    mGrabHandlePopupEnabled( true ),
+    mSelectionEnabled( true ),
     mHorizontalScrollingEnabled( true ),
     mVerticalScrollingEnabled( false ),
     mUpdateCursorPosition( false )
@@ -253,6 +254,8 @@ struct Controller::TextInput
              2u == tapCount )
     {
       ChangeState( SELECTING );
+
+      RepositionSelectionHandles( event.p2.mFloat, event.p3.mFloat );
     }
   }
 
@@ -323,13 +326,46 @@ struct Controller::TextInput
       GetClosestCursorPosition( mPrimaryCursorPosition, xPosition, yPosition, height );
 
       mDecorator->SetPosition( PRIMARY_CURSOR, xPosition, yPosition, height );
-      mDecorator->HidePopup();
+      //mDecorator->HidePopup();
+      ChangeState ( EDITING );
       mDecoratorUpdated = true;
     }
     else if ( mGrabHandlePopupEnabled &&
               GRAB_HANDLE_RELEASED == state )
     {
-      mDecorator->ShowPopup();
+      //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].lineSize.height : 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 );
     }
   }
 
@@ -345,7 +381,7 @@ struct Controller::TextInput
         mDecorator->StopCursorBlink();
         mDecorator->SetGrabHandleActive( false );
         mDecorator->SetSelectionActive( false );
-        mDecorator->HidePopup();
+        mDecorator->SetPopupActive( false );
         mDecoratorUpdated = true;
       }
       else if ( SELECTING == mState )
@@ -367,6 +403,28 @@ struct Controller::TextInput
         {
           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;
       }
@@ -383,11 +441,11 @@ struct Controller::TextInput
       totalHeight += lines[lineIndex].lineSize.height;
       if( y < totalHeight )
       {
-        break;
+        return lineIndex;
       }
     }
 
-    return lineIndex;
+    return lineIndex-1;
   }
 
   void GetClosestCursorPosition( CharacterIndex& logical, float& visualX, float& visualY, float& height )
@@ -483,7 +541,7 @@ struct Controller::TextInput
 
     float visualX( 0.0f );
     float visualY( 0.0f );
-    LineIndex lineIndex( 0u );
+    float height( 0.0f );
     const Vector<LineRun>& lineRuns = mVisualModel->mLines;
 
     if( cursorGlyph > 0 )
@@ -495,17 +553,19 @@ struct Controller::TextInput
         visualX += mVisualModel->mGlyphs[ cursorGlyph ].width;
 
       // Find the line height
-      for( GlyphIndex lastGlyph = 0; lineIndex < lineRuns.Count(); ++lineIndex )
+      GlyphIndex lastGlyph( 0 );
+      for( LineIndex lineIndex = 0u; lineIndex < lineRuns.Count(); ++lineIndex )
       {
         lastGlyph = (lineRuns[lineIndex].glyphIndex + lineRuns[lineIndex].numberOfGlyphs);
         if( cursorGlyph < lastGlyph )
         {
+          height = lineRuns[lineIndex].lineSize.height;
           break;
         }
       }
     }
 
-    mDecorator->SetPosition( PRIMARY_CURSOR, visualX, visualY, lineRuns[lineIndex].lineSize.height );
+    mDecorator->SetPosition( PRIMARY_CURSOR, visualX, visualY, height );
     mDecoratorUpdated = true;
   }
 
@@ -1582,6 +1642,8 @@ bool Controller::KeyEvent( const Dali::KeyEvent& keyEvent )
       mImpl->mModifyEvents.push_back( event );
     }
 
+    mImpl->mTextInput->ChangeState( TextInput::EDITING ); // todo Confirm this is the best place to change the state of
+
     RequestRelayout();
   }