xfa/fxfa contains a set of CXFA_LayoutItems that model forms containing widgets.

The main hierarchy in this directory are the form elements:

• CXFA_LayoutItem
  • CXFA_ContainerLayoutItem
    • CXFA_FFPageView
  • CXFA_ContentLayoutItem
    • CXFA_FFWidget
      • CXFA_FFArc
      • CXFA_FFImage
      • CXFA_FFLine
      • CXFA_FFRectangle
      • CXFA_FFText
      • CXFA_FFExclGroup
      • CXFA_FFField
        • CXFA_FFCheckButton
        • CXFA_FFComboBox
        • CXFA_FFImageEdit
        • CXFA_FFListBox
        • CXFA_FFPushButton
        • CXFA_FFSignature
        • CXFA_FFTextEdit
          • CXFA_FFBarcode
          • CXFA_FFDateTimeEdit
          • CXFA_FFNumericEdit
          • CXFA_FFPasswordEdit

CXFA_FFField is the base class for widgets. It owns a lower level CFWL widget instance from xfa/fwl. The correspondence is:

• CXFA_FFCheckButton -> CFWL_CheckBox
• CXFA_FFComboBox -> CFWL_ComboBox
• CXFA_FFImageEdit -> CFWL_PictureBox
• CXFA_FFListBox -> CFWL_ListBox
• CXFA_FFPushButton -> CFWL_PushButton
• CXFA_FFSignature -> none
• CXFA_FFTextEdit -> CFWL_Edit
  • CXFA_FFBarcode -> CFWL_Barcode
  • CXFA_FFDateTimeEdit -> CFWL_DateTimePicker
  • CXFA_FFNumericEdit -> CFWL_Edit
  • CXFA_FFPasswordEdit > CFWL_Edit