Raxol.UI.Components.Input.MultiLineInput.TextHelper (Raxol v2.0.1)

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Text manipulation helper functions for MultiLineInput component.

Summary

Functions

calculate_new_position(state, arg)
calculate_new_position(state, text, arg)

Calculates new cursor position.

delete_selection(state)

Deletes the current selection and returns the updated state.

handle_backspace_no_selection(state)

Handles backspace when no selection exists.

handle_delete_no_selection(state)

Handles delete when no selection exists.

insert_char(state, char_codepoint)

Inserts a character at the cursor position.

replace_text_range(state, start_pos, end_pos, replacement_text)

Replaces text in a range with new text.

split_into_lines(text, width, wrap_mode)

Splits text into lines based on width and wrap mode.

Functions

calculate_new_position(state, arg)

@spec calculate_new_position(
  Raxol.UI.Components.Input.MultiLineInput.t(),
  {integer(), integer()}
) :: {integer(), integer()}

calculate_new_position(state, text, arg)

@spec calculate_new_position(
  Raxol.UI.Components.Input.MultiLineInput.t(),
  String.t(),
  {integer(), integer()}
) :: {integer(), integer()}

Calculates new cursor position.

Can be used for:

  • Calculating position after text changes (2 args)
  • Calculating position after text insertion (3 args)

delete_selection(state)

@spec delete_selection(Raxol.UI.Components.Input.MultiLineInput.t()) ::
  Raxol.UI.Components.Input.MultiLineInput.t()

Deletes the current selection and returns the updated state.

handle_backspace_no_selection(state)

@spec handle_backspace_no_selection(Raxol.UI.Components.Input.MultiLineInput.t()) ::
  Raxol.UI.Components.Input.MultiLineInput.t()

Handles backspace when no selection exists.

handle_delete_no_selection(state)

@spec handle_delete_no_selection(Raxol.UI.Components.Input.MultiLineInput.t()) ::
  Raxol.UI.Components.Input.MultiLineInput.t()

Handles delete when no selection exists.

insert_char(state, char_codepoint)

@spec insert_char(Raxol.UI.Components.Input.MultiLineInput.t(), integer()) ::
  Raxol.UI.Components.Input.MultiLineInput.t()

Inserts a character at the cursor position.

replace_text_range(state, start_pos, end_pos, replacement_text)

@spec replace_text_range(
  Raxol.UI.Components.Input.MultiLineInput.t(),
  {integer(), integer()},
  {integer(), integer()},
  String.t()
) :: Raxol.UI.Components.Input.MultiLineInput.t()

Replaces text in a range with new text.

split_into_lines(text, width, wrap_mode)

@spec split_into_lines(String.t(), integer(), :none | :char | :word) :: [String.t()]

Splits text into lines based on width and wrap mode.