smooth v0.9.1

smooth alpha 0.9.1

• backendwin32.cpp
  • added support for Windows 10 accent colors
• driver_ansi.cpp
  • fixed switching between read and write mode
• widget.cpp
  • fixed artifacts when hiding child widgets extending outside their containers
• optionbox.cpp
  • fixed placement of selection indicator
• windowhaiku.cpp
  • fixed possible crash when exiting programs
• eventhaiku.cpp
  • ensure message queue locking is enabled before enqueuing messages
• windowxlib.cpp
  • actually keep topmost windows on top
  • reset input context before deleting it

Other changes

• fixed interaction with topmost windows when a modal window is active on non-Windows platforms
• upgraded libcurl to version 7.68.0