TextSelectionPopup to show Paste in data in Clipboard

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

diff --git a/dali-toolkit/internal/text/text-controller-impl.cpp b/dali-toolkit/internal/text/text-controller-impl.cpp
index f41bddd..621d50e 100644 (file)
--- a/dali-toolkit/internal/text/text-controller-impl.cpp
+++ b/dali-toolkit/internal/text/text-controller-impl.cpp
@@ -713,6 +713,12 @@ void Controller::Impl::OnHandleEvent( const Event& event )
 
 void Controller::Impl::RepositionSelectionHandles( CharacterIndex selectionStart, CharacterIndex selectionEnd )
 {
+  if( selectionStart == selectionEnd )
+  {
+    // Nothing to select if handles are in the same place.
+    return;
+  }
+
   mEventData->mDecorator->ClearHighlights();
 
   mEventData->mLeftSelectionPosition = selectionStart;
@@ -727,9 +733,10 @@ void Controller::Impl::RepositionSelectionHandles( CharacterIndex selectionStart
   // TODO: Multi-line.
 
   const Vector<LineRun>& lines = mVisualModel->mLines;
-  const float height = lines[0].ascender + -lines[0].descender;
+  const LineRun& firstLine = *lines.Begin();
+  const float height = firstLine.ascender + -firstLine.descender;
 
-  const bool indicesSwapped = selectionStart > selectionEnd;
+  const bool indicesSwapped = ( selectionStart > selectionEnd );
   if( indicesSwapped )
   {
     std::swap( selectionStart, selectionEnd );
@@ -738,7 +745,7 @@ void Controller::Impl::RepositionSelectionHandles( CharacterIndex selectionStart
   GlyphIndex glyphStart = *( charactersToGlyphBuffer + selectionStart );
   GlyphIndex glyphEnd = *( charactersToGlyphBuffer + ( selectionEnd - 1u ) ) + *( glyphsPerCharacterBuffer + ( selectionEnd - 1u ) ) - 1u;
 
-  mEventData->mDecorator->SwapSelectionHandlesEnabled( indicesSwapped );
+  mEventData->mDecorator->SwapSelectionHandlesEnabled( firstLine.direction != indicesSwapped );
 
   const Vector2 offset = mEventData->mScrollPosition + mAlignmentOffset;
 
@@ -840,6 +847,27 @@ void Controller::Impl::ChangeState( EventData::State newState )
       mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, true );
       if( mEventData->mGrabHandlePopupEnabled )
       {
+        TextSelectionPopup::Buttons buttonsToShow = TextSelectionPopup::Buttons(  TextSelectionPopup::CUT | TextSelectionPopup::COPY );
+        if ( !IsClipboardEmpty() )
+        {
+          buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
+        }
+
+        mEventData->mDecorator->SetEnabledPopupButtons( buttonsToShow );
+        mEventData->mDecorator->SetPopupActive( true );
+      }
+      mEventData->mDecoratorUpdated = true;
+    }
+    else if ( EventData::SELECTION_CHANGED  == mEventData->mState )
+    {
+      if( mEventData->mGrabHandlePopupEnabled )
+      {
+        TextSelectionPopup::Buttons buttonsToShow = TextSelectionPopup::Buttons(  TextSelectionPopup::CUT | TextSelectionPopup::COPY );
+        if (  !IsClipboardEmpty() )
+        {
+          buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
+        }
+        mEventData->mDecorator->SetEnabledPopupButtons( buttonsToShow );
         mEventData->mDecorator->SetPopupActive( true );
       }
       mEventData->mDecoratorUpdated = true;
@@ -879,6 +907,14 @@ void Controller::Impl::ChangeState( EventData::State newState )
       }
       if( mEventData->mGrabHandlePopupEnabled )
       {
+        TextSelectionPopup::Buttons buttonsToShow = TextSelectionPopup::Buttons( TextSelectionPopup::SELECT | TextSelectionPopup::SELECT_ALL );
+
+        if ( !IsClipboardEmpty() )
+        {
+          buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
+        }
+
+        mEventData->mDecorator->SetEnabledPopupButtons( buttonsToShow );
         mEventData->mDecorator->SetPopupActive( true );
       }
       mEventData->mDecoratorUpdated = true;