[dali-toolkit]: add texteditor scrolling functionality

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

diff --git a/dali-toolkit/internal/controls/text-controls/text-editor-impl.cpp b/dali-toolkit/internal/controls/text-controls/text-editor-impl.cpp
index 5fac4ba..75f6d6f 100644 (file)
--- a/dali-toolkit/internal/controls/text-controls/text-editor-impl.cpp
+++ b/dali-toolkit/internal/controls/text-controls/text-editor-impl.cpp
@@ -142,6 +142,10 @@ DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit, TextEditor, "renderingBackend",
 DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit, TextEditor, "maxLength",                      INTEGER,   MAX_LENGTH                           )
 DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit, TextEditor, "selectedTextStart",              INTEGER,   SELECTED_TEXT_START                  )
 DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit, TextEditor, "selectedTextEnd",                INTEGER,   SELECTED_TEXT_END                    )
+DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit, TextEditor, "horizontalScrollPosition",       FLOAT,     HORIZONTAL_SCROLL_POSITION           )
+DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit, TextEditor, "verticalScrollPosition",         INTEGER,   VERTICAL_SCROLL_POSITION             )
+DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit, TextEditor, "enableEditing",                  BOOLEAN,   ENABLE_EDITING                       )
+DALI_DEVEL_PROPERTY_REGISTRATION_READ_ONLY( Toolkit, TextEditor, "selectedText",         STRING,    SELECTED_TEXT                        )
 
 DALI_SIGNAL_REGISTRATION( Toolkit, TextEditor, "textChanged",        SIGNAL_TEXT_CHANGED )
 DALI_SIGNAL_REGISTRATION( Toolkit, TextEditor, "inputStyleChanged",  SIGNAL_INPUT_STYLE_CHANGED )
@@ -700,21 +704,42 @@ void TextEditor::SetProperty( BaseObject* object, Property::Index index, const P
       }
       case Toolkit::DevelTextEditor::Property::SELECTED_TEXT_START:
       {
-        if( impl.mController )
+        uint32_t start = static_cast<uint32_t>(value.Get< int >());
+        DALI_LOG_INFO( gLogFilter, Debug::General, "TextEditor %p SELECTED_TEXT_START %d\n", impl.mController.Get(), start );
+        impl.SetTextSelectionRange( &start, nullptr );
+        break;
+      }
+      case Toolkit::DevelTextEditor::Property::SELECTED_TEXT_END:
+      {
+        uint32_t end = static_cast<uint32_t>(value.Get< int >());
+        DALI_LOG_INFO( gLogFilter, Debug::General, "TextEditor %p SELECTED_TEXT_END %d\n", impl.mController.Get(), end );
+        impl.SetTextSelectionRange( nullptr, &end );
+        break;
+      }
+      case Toolkit::DevelTextEditor::Property::ENABLE_EDITING:
+      {
+        const bool editable = value.Get< bool >();
+        DALI_LOG_INFO( gLogFilter, Debug::General, "TextEditor %p ENABLE_EDITING %d\n", impl.mController.Get(), editable );
+        impl.SetEditable( editable );
+        break;
+      }
+      case Toolkit::DevelTextEditor::Property::HORIZONTAL_SCROLL_POSITION:
+      {
+        float horizontalScroll = value.Get< float >();
+        DALI_LOG_INFO( gLogFilter, Debug::General, "TextEditor %p HORIZONTAL_SCROLL_POSITION %d\n", impl.mController.Get(), horizontalScroll );
+        if (horizontalScroll >= 0.0f)
         {
-          uint32_t start = static_cast<uint32_t>(value.Get< int >());
-          DALI_LOG_INFO( gLogFilter, Debug::General, "TextEditor %p SELECTED_TEXT_START %d\n", impl.mController.Get(), start );
-          impl.SetTextSelectionRange( &start, nullptr );
+          impl.ScrollBy( Vector2(horizontalScroll - impl.GetHorizontalScrollPosition(), 0 ));
         }
         break;
       }
-      case Toolkit::DevelTextEditor::Property::SELECTED_TEXT_END:
+      case Toolkit::DevelTextEditor::Property::VERTICAL_SCROLL_POSITION:
       {
-        if( impl.mController )
+        float verticalScroll = value.Get< float >();
+        DALI_LOG_INFO( gLogFilter, Debug::General, "TextEditor %p VERTICAL_SCROLL_POSITION %d\n", impl.mController.Get(), verticalScroll );
+        if (verticalScroll >= 0.0f)
         {
-          uint32_t end = static_cast<uint32_t>(value.Get< int >());
-          DALI_LOG_INFO( gLogFilter, Debug::General, "TextEditor %p SELECTED_TEXT_END %d\n", impl.mController.Get(), end );
-          impl.SetTextSelectionRange( nullptr, &end );
+          impl.ScrollBy( Vector2(0, verticalScroll - impl.GetVerticalScrollPosition() ));
         }
         break;
       }
@@ -1032,6 +1057,11 @@ Property::Value TextEditor::GetProperty( BaseObject* object, Property::Index ind
         value = impl.mController->GetMaximumNumberOfCharacters();
         break;
       }
+      case Toolkit::DevelTextEditor::Property::SELECTED_TEXT:
+      {
+        value = impl.mController->GetSelectedText( );
+        break;
+      }
       case Toolkit::DevelTextEditor::Property::SELECTED_TEXT_START:
       {
         Uint32Pair range = impl.GetTextSelectionRange();
@@ -1044,12 +1074,80 @@ Property::Value TextEditor::GetProperty( BaseObject* object, Property::Index ind
         value = static_cast<int>(range.second);
         break;
       }
+      case Toolkit::DevelTextEditor::Property::ENABLE_EDITING:
+      {
+        value = impl.IsEditable();
+        break;
+      }
+      case Toolkit::DevelTextEditor::Property::HORIZONTAL_SCROLL_POSITION:
+      {
+        value = impl.GetHorizontalScrollPosition();
+        break;
+      }
+      case Toolkit::DevelTextEditor::Property::VERTICAL_SCROLL_POSITION:
+      {
+        value = impl.GetVerticalScrollPosition();
+        break;
+      }
     } //switch
   }
 
   return value;
 }
 
+void TextEditor::SelectWholeText()
+{
+  if( mController && mController->IsShowingRealText() )
+  {
+    mController->SelectWholeText();
+    SetKeyInputFocus();
+  }
+}
+
+void TextEditor::SelectNone()
+{
+  if( mController && mController->IsShowingRealText() )
+  {
+    mController->SelectNone();
+  }
+}
+
+void TextEditor::ScrollBy(Vector2 scroll)
+{
+  if( mController && mController->IsShowingRealText() )
+  {
+    mController->ScrollBy(scroll);
+  }
+}
+
+float TextEditor::GetHorizontalScrollPosition()
+{
+  if( mController && mController->IsShowingRealText() )
+  {
+    return mController->GetHorizontalScrollPosition();
+  }
+  return 0;
+}
+
+float TextEditor::GetVerticalScrollPosition()
+{
+  if( mController && mController->IsShowingRealText() )
+  {
+    return mController->GetVerticalScrollPosition();
+  }
+  return 0;
+}
+
+string TextEditor::GetSelectedText() const
+{
+  string selectedText = "";
+  if( mController && mController->IsShowingRealText() )
+  {
+    selectedText = mController->GetSelectedText( );
+  }
+  return selectedText;
+}
+
 InputMethodContext TextEditor::GetInputMethodContext()
 {
   return mInputMethodContext;
@@ -1367,7 +1465,7 @@ void TextEditor::RenderText( Text::Controller::UpdateTextType updateTextType )
 void TextEditor::OnKeyInputFocusGained()
 {
   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextEditor::OnKeyInputFocusGained %p\n", mController.Get() );
-  if ( mInputMethodContext )
+  if ( mInputMethodContext  && IsEditable() )
   {
     mInputMethodContext.StatusChangedSignal().Connect( this, &TextEditor::KeyboardStatusChanged );
 
@@ -1421,7 +1519,7 @@ void TextEditor::OnKeyInputFocusLost()
 void TextEditor::OnTap( const TapGesture& gesture )
 {
   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextEditor::OnTap %p\n", mController.Get() );
-  if ( mInputMethodContext )
+  if ( mInputMethodContext && IsEditable() )
   {
     mInputMethodContext.Activate();
   }
@@ -1441,7 +1539,7 @@ void TextEditor::OnPan( const PanGesture& gesture )
 
 void TextEditor::OnLongPress( const LongPressGesture& gesture )
 {
-  if ( mInputMethodContext )
+  if ( mInputMethodContext && IsEditable() )
   {
     mInputMethodContext.Activate();
   }
@@ -1776,6 +1874,20 @@ void TextEditor::ApplyScrollPosition()
   }
 }
 
+bool TextEditor::IsEditable() const
+{
+  return mController->IsEditable();
+}
+
+void TextEditor::SetEditable( bool editable )
+{
+  mController->SetEditable(editable);
+  if ( mInputMethodContext && !editable )
+  {
+    mInputMethodContext.Deactivate();
+  }
+}
+
 TextEditor::TextEditor()
 : Control( ControlBehaviour( CONTROL_BEHAVIOUR_DEFAULT ) ),
   mAnimationPeriod( 0.0f, 0.0f ),