Struct ColumnWidthCalculator 

pub struct ColumnWidthCalculator { /* private fields */ }

Handles all column width calculations for the viewport Extracted from ViewportManager to improve maintainability and testability

Implementations

impl ColumnWidthCalculator

pub fn new() -> Self

Create a new column width calculator

pub fn get_packing_mode(&self) -> ColumnPackingMode

Get current packing mode

pub fn set_packing_mode(&mut self, mode: ColumnPackingMode)

Set packing mode and mark cache as dirty

pub fn cycle_packing_mode(&mut self)

Cycle to the next packing mode

pub fn get_debug_info(&self) -> &[ColumnWidthDebugInfo]

Get debug information about column width calculations

pub fn mark_dirty(&mut self)

Mark cache as dirty (needs recalculation)

pub fn calculate_with_terminal_width( &mut self, dataview: &DataView, viewport_rows: &Range<usize>, terminal_width: u16, )

Calculate optimal widths with terminal width awareness

pub fn get_column_width( &mut self, dataview: &DataView, viewport_rows: &Range<usize>, col_idx: usize, ) -> u16

Get cached column width for a specific DataTable column index

pub fn get_all_column_widths( &mut self, dataview: &DataView, viewport_rows: &Range<usize>, ) -> &[u16]

Get all cached column widths, ensuring they’re up to date

Trait Implementations

impl Default for ColumnWidthCalculator

fn default() -> Self

Returns the “default value” for a type.