Calculate a new height when text was changed.

[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 b94ff3a..1fde4bc 100644 (file)
--- a/dali-toolkit/internal/text/text-controller.cpp
+++ b/dali-toolkit/internal/text/text-controller.cpp
@@ -1792,7 +1792,9 @@ float Controller::GetHeightForWidth( float width )
   ProcessModifyEvents();
 
   Size layoutSize;
-  if( fabsf( width - mImpl->mModel->mVisualModel->mControlSize.width ) > Math::MACHINE_EPSILON_1000 )
+  if( fabsf( width - mImpl->mModel->mVisualModel->mControlSize.width ) > Math::MACHINE_EPSILON_1000 ||
+                                                         mImpl->mTextUpdateInfo.mFullRelayoutNeeded ||
+                                                         mImpl->mTextUpdateInfo.mClearAll            )
   {
     // Operations that can be done only once until the text changes.
     const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32  |
@@ -2947,8 +2949,18 @@ void Controller::InsertText( const std::string& text, Controller::InsertType typ
     }
 
     // Mark the first paragraph to be updated.
-    mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
-    mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd += maxSizeOfNewText;
+    if( Layout::Engine::SINGLE_LINE_BOX == mImpl->mLayoutEngine.GetLayout() )
+    {
+      mImpl->mTextUpdateInfo.mCharacterIndex = 0;
+      mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
+      mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = numberOfCharactersInModel + maxSizeOfNewText;
+      mImpl->mTextUpdateInfo.mClearAll = true;
+    }
+    else
+    {
+      mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
+      mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd += maxSizeOfNewText;
+    }
 
     // Update the cursor index.
     cursorIndex += maxSizeOfNewText;
@@ -3046,8 +3058,18 @@ bool Controller::RemoveText( int cursorOffset,
         ( ( cursorIndex + numberOfCharacters ) <= mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters ) )
     {
       // Mark the paragraphs to be updated.
-      mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
-      mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove += numberOfCharacters;
+      if( Layout::Engine::SINGLE_LINE_BOX == mImpl->mLayoutEngine.GetLayout() )
+      {
+        mImpl->mTextUpdateInfo.mCharacterIndex = 0;
+        mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
+        mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters - numberOfCharacters;
+        mImpl->mTextUpdateInfo.mClearAll = true;
+      }
+      else
+      {
+        mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
+        mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove += numberOfCharacters;
+      }
 
       // Update the input style and remove the text's style before removing the text.