GNU Radio's DISPLAY Package
Class Hierarchy
This inheritance list is sorted roughly, but not completely, alphabetically:
 Cblock
  Cgr::display::text_msgCreate a QT Text box widget (QLabel) where the values are posted as a message
   Cgr::display::text_msg_impl
 CQWidget
  CShowPngPicture
  Cshow_text_window
 Csync_block
  Cgr::display::show_imageDisplay a grayscaled ( png ) image
   Cgr::display::show_image_impl
  Cgr::display::show_textCreate a QT Text sink, where the values are received as stream
   Cgr::display::show_text_impl
 CUi_ShowPngPicture
  CUi::ShowPngPicture