[4.0] Line spacing for TextLabel and vertical line alignment feature

[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 dd369f8..2de12e8 100755 (executable)
--- a/dali-toolkit/internal/text/text-controller.cpp
+++ b/dali-toolkit/internal/text/text-controller.cpp
@@ -45,6 +45,8 @@ namespace
   Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
 #endif
 
+const int MAX_NUMBER_OF_CHARACTERS = 200000;
+
 const float MAX_FLOAT = std::numeric_limits<float>::max();
 
 const std::string EMPTY_STRING("");
@@ -473,6 +475,16 @@ bool Controller::IsSelectionEnabled() const
   return mImpl->mEventData->mSelectionEnabled;
 }
 
+void Controller::SetShiftSelectionEnabled( bool enabled )
+{
+  mImpl->mEventData->mShiftSelectionFlag = enabled;
+}
+
+bool Controller::IsShiftSelectionEnabled() const
+{
+  return mImpl->mEventData->mShiftSelectionFlag;
+}
+
 // public : Update
 
 void Controller::SetText( const std::string& text )
@@ -1189,14 +1201,14 @@ const Vector4& Controller::GetOutlineColor() const
   return mImpl->mModel->mVisualModel->GetOutlineColor();
 }
 
-void Controller::SetOutlineWidth( float width )
+void Controller::SetOutlineWidth( unsigned int width )
 {
   mImpl->mModel->mVisualModel->SetOutlineWidth( width );
 
   mImpl->RequestRelayout();
 }
 
-float Controller::GetOutlineWidth() const
+unsigned int Controller::GetOutlineWidth() const
 {
   return mImpl->mModel->mVisualModel->GetOutlineWidth();
 }
@@ -1241,10 +1253,15 @@ const std::string& Controller::GetDefaultOutlineProperties() const
   return EMPTY_STRING;
 }
 
-void Controller::SetDefaultLineSpacing( float lineSpacing )
+bool Controller::SetDefaultLineSpacing( float lineSpacing )
 {
-  //TODO finish implementation
-  mImpl->mLayoutEngine.SetDefaultLineSpacing( lineSpacing );
+  if( std::abs(lineSpacing - mImpl->mLayoutEngine.GetDefaultLineSpacing()) > Math::MACHINE_EPSILON_1000 )
+  {
+    mImpl->mLayoutEngine.SetDefaultLineSpacing(lineSpacing);
+    mImpl->mRecalculateNaturalSize = true;
+    return true;
+  }
+  return false;
 }
 
 float Controller::GetDefaultLineSpacing() const
@@ -1937,6 +1954,7 @@ float Controller::GetHeightForWidth( float width )
 
     // Clear the update info. This info will be set the next time the text is updated.
     mImpl->mTextUpdateInfo.Clear();
+    mImpl->mTextUpdateInfo.mClearAll = true;
 
     // Restore the actual control's width.
     mImpl->mModel->mVisualModel->mControlSize.width = actualControlWidth;
@@ -2112,8 +2130,15 @@ void Controller::GetPlaceholderProperty( Property::Map& map )
 
 Toolkit::DevelText::TextDirection::Type Controller::GetTextDirection()
 {
-  const LineRun* const firstline = mImpl->mModel->mVisualModel->mLines.Begin();
-  if ( firstline && firstline->direction )
+  if( ( 0u == mImpl->mModel->mLogicalModel->mText.Count() ) )
+  {
+    return Toolkit::DevelText::TextDirection::LEFT_TO_RIGHT;
+  }
+
+  const Character character = mImpl->mModel->mLogicalModel->mText[0];
+  Script script = TextAbstraction::GetCharacterScript( character );
+
+  if( TextAbstraction::IsRightToLeftScript( script ) )
   {
     return Toolkit::DevelText::TextDirection::RIGHT_TO_LEFT;
   }
@@ -2121,6 +2146,16 @@ Toolkit::DevelText::TextDirection::Type Controller::GetTextDirection()
   return Toolkit::DevelText::TextDirection::LEFT_TO_RIGHT;
 }
 
+Toolkit::DevelText::VerticalLineAlignment::Type Controller::GetVerticalLineAlignment() const
+{
+  return mImpl->mModel->GetVerticalLineAlignment();
+}
+
+void Controller::SetVerticalLineAlignment( Toolkit::DevelText::VerticalLineAlignment::Type alignment )
+{
+  mImpl->mModel->mVerticalLineAlignment = alignment;
+}
+
 // public : Relayout.
 
 Controller::UpdateTextType Controller::Relayout( const Size& size )
@@ -2443,7 +2478,8 @@ bool Controller::KeyEvent( const Dali::KeyEvent& keyEvent )
       relayoutNeeded = true;
     }
     else if( IsKey( keyEvent, Dali::DALI_KEY_POWER ) ||
-             IsKey( keyEvent, Dali::DALI_KEY_MENU ) ||
+             IsKey( keyEvent, Dali::DALI_KEY_MENU )  ||
+             IsKey( keyEvent, static_cast<Dali::KEY>(Dali::DevelKey::DALI_KEY_SOURCE) ) ||
              IsKey( keyEvent, Dali::DALI_KEY_HOME ) )
     {
       // Power key/Menu/Home key behaviour does not allow edit mode to resume.
@@ -3228,6 +3264,9 @@ bool Controller::RemoveText( int cursorOffset,
 {
   bool removed = false;
 
+  // When the users press "Delete All" button, the IME sends numberOfCharacters as '200000' value which means the max number of characters.
+  const bool deleteAll = ( numberOfCharacters >= MAX_NUMBER_OF_CHARACTERS );
+
   if( NULL == mImpl->mEventData )
   {
     return removed;
@@ -3256,7 +3295,7 @@ bool Controller::RemoveText( int cursorOffset,
     }
 
     if( mImpl->mEventData->mPreEditFlag || // If the preedit flag is enabled, it means two (or more) of them came together i.e. when two keys have been pressed at the same time.
-        ( ( cursorIndex + numberOfCharacters ) <= mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters ) )
+        ( ( cursorIndex + numberOfCharacters ) <= mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters ) || deleteAll /*'Delete All' button clicked*/ )
     {
       // Mark the paragraphs to be updated.
       if( Layout::Engine::SINGLE_LINE_BOX == mImpl->mLayoutEngine.GetLayout() )
@@ -3394,7 +3433,7 @@ bool Controller::DoRelayout( const Size& size,
     const Vector<CharacterIndex>& glyphsToCharactersMap = mImpl->mModel->mVisualModel->mGlyphsToCharacters;
     const Vector<Length>& charactersPerGlyph = mImpl->mModel->mVisualModel->mCharactersPerGlyph;
     const Character* const textBuffer = mImpl->mModel->mLogicalModel->mText.Begin();
-    float outlineWidth = mImpl->mModel->GetOutlineWidth();
+    const float outlineWidth = static_cast<float>( mImpl->mModel->GetOutlineWidth() );
 
     // Set the layout parameters.
     Layout::Parameters layoutParameters( size,
@@ -3721,7 +3760,7 @@ bool Controller::DeleteEvent( int keyCode )
                           1,
                           UPDATE_INPUT_STYLE );
   }
-  else if( ( mImpl->mEventData->mPrimaryCursorPosition >= 0 ) && ( keyCode == Dali::DevelKey::DALI_KEY_DELETE ) )
+  else if( keyCode == Dali::DevelKey::DALI_KEY_DELETE )
   {
     // Remove the character after the current cursor position
     removed = RemoveText( 0,