TextSelection
TextSelection has the following properties:
affinity
If the text range is collapsed and has more than one visual location (e.g., occurs at a line break), which of the two locations to use when painting the caret.
Value is of type TextAffinity.
base_offset
The offset at which the selection originates.
Value is of type int.
collapsed
Whether this range is empty (but still potentially placed inside the text).
Value is of type bool.
directional
Whether this selection has disambiguated its base and extent.
Value is of type bool.
end
The next index after the characters in this range.
Value is of type int.
extent_offset
The offset at which the selection terminates.
normalized
Whether the start of this range precedes the end.
Value is of type bool.
selection
The text string that is selected.
Value is of type str.
start
The index of the first character in the range.
Value is of type int.
valid
Whether this range represents a valid position in the text.
Value is of type bool.