FindSelectionIndices fixed if hit past the last character

[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 b5c6161..26fb422 100644 (file)
--- a/dali-toolkit/internal/text/text-controller-impl.cpp
+++ b/dali-toolkit/internal/text/text-controller-impl.cpp
@@ -1053,6 +1053,9 @@ void Controller::Impl::RepositionSelectionHandles( CharacterIndex selectionStart
 
   mEventData->mDecorator->SetPosition( RIGHT_SELECTION_HANDLE, secondaryPosition.x, secondaryPosition.y, secondaryCursorInfo.lineHeight );
 
+  // Cursor to be positioned at end of selection so if selection interrupted and edit mode restarted the cursor will be at end of selection
+  mEventData->mPrimaryCursorPosition = (indicesSwapped)?mEventData->mLeftSelectionPosition:mEventData->mRightSelectionPosition;
+
   // Set the flag to update the decorator.
   mEventData->mDecoratorUpdated = true;
 }
@@ -1317,10 +1320,25 @@ LineIndex Controller::Impl::GetClosestLine( float y ) const
 void Controller::Impl::FindSelectionIndices( float visualX, float visualY, CharacterIndex& startIndex, CharacterIndex& endIndex )
 {
   CharacterIndex hitCharacter = GetClosestCursorIndex( visualX, visualY );
+  DALI_ASSERT_DEBUG( hitCharacter <= mLogicalModel->mText.Count() && "GetClosestCursorIndex returned out of bounds index" );
+
+  if ( mLogicalModel->mText.Count() == 0 )
+  {
+    return;  // if model empty
+  }
+
   if( hitCharacter >= mLogicalModel->mText.Count() )
   {
-    // Selection out of bounds.
-    return;
+    // Closest hit character is the last character.
+    if ( hitCharacter ==  mLogicalModel->mText.Count() )
+    {
+      hitCharacter--; //Hit character index set to last character in logical model
+    }
+    else
+    {
+      // hitCharacter is out of bounds
+      return;
+    }
   }
 
   startIndex = hitCharacter;
@@ -1352,6 +1370,8 @@ void Controller::Impl::FindSelectionIndices( float visualX, float visualY, Chara
 CharacterIndex Controller::Impl::GetClosestCursorIndex( float visualX,
                                                         float visualY )
 {
+  DALI_LOG_INFO( gLogFilter, Debug::Verbose, "GetClosestCursorIndex %p closest visualX %f visualY %f\n", this, visualX, visualY );
+
   if( NULL == mEventData )
   {
     // Nothing to do if there is no text input.
@@ -1455,6 +1475,8 @@ CharacterIndex Controller::Impl::GetClosestCursorIndex( float visualX,
   logicalIndex = hasRightToLeftCharacters ? *( visualToLogicalCursorBuffer + visualIndex ) : visualIndex;
   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "%p closest visualIndex %d logicalIndex %d\n", this, visualIndex, logicalIndex );
 
+  DALI_ASSERT_DEBUG( ( logicalIndex <= mLogicalModel->mText.Count() && logicalIndex >= 0 ) && "GetClosestCursorIndex - Out of bounds index" );
+
   return logicalIndex;
 }
 
@@ -1709,7 +1731,7 @@ void Controller::Impl::UpdateCursorPosition()
     return;
   }
 
-  if( IsShowingPlaceholderText() )
+  if( IsShowingPlaceholderText() || ( 0u == mLogicalModel->mText.Count() ) )
   {
     // Do not want to use the place-holder text to set the cursor position.