Fix crash when delete characters after change text color
Run demo, then press backspace
```
//g++ -g -O0 main.cpp -o app `pkg-config --cflags --libs dali2-core dali2-adaptor dali2-adaptor-integration dali2-toolkit`
using namespace Dali;
using namespace Dali::Toolkit;
class SimpleApp : public ConnectionTracker
{
public:
SimpleApp(Application& application)
: mApplication(application)
{
mApplication.InitSignal().Connect(this, &SimpleApp::Create);
}
void Create(Application& application)
{
Window window = application.GetWindow();
window.SetBackgroundColor(Vector4(0.04f, 0.345f, 0.392f, 1.0f));
TextField field = TextField::New();
field.SetProperty(TextField::Property::TEXT, "Erase");
field.SetProperty(TextField::Property::TEXT_COLOR, Vector4(0.0f, 1.0f, 1.0f, 1.0f)); // CYAN
field.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
field.SetProperty(Actor::Property::SIZE, Vector2(300.f, 60.f));
window.Add(field);
field.SetKeyInputFocus();
}
private:
Application& mApplication;
};
int DALI_EXPORT_API main(int argc, char** argv)
{
Application application = Application::New(&argc, &argv);
SimpleApp test(application);
application.MainLoop();
return 0;
}
```
Change-Id: I2c13330f92746c73d32da71cced15c3b297126dc
+ if (run.characterRun.numberOfCharacters == 0)
+ continue;
+
const CharacterIndex lastRunIndex = run.characterRun.characterIndex + run.characterRun.numberOfCharacters - 1u;
if( lastRunIndex < index )
const CharacterIndex lastRunIndex = run.characterRun.characterIndex + run.characterRun.numberOfCharacters - 1u;
if( lastRunIndex < index )
+ if (run.characterRun.numberOfCharacters == 0)
+ continue;
+
// Update the number of characters of the style run.
if( ( 0u == index ) && ( 0u == run.characterRun.characterIndex ) )
// Update the number of characters of the style run.
if( ( 0u == index ) && ( 0u == run.characterRun.characterIndex ) )