uwidth

func ASCIIIcon ¶

func ASCIIIcon(icon string, asciiMode bool) string

ASCIIIcon returns a single-cell substitute when asciiMode is on and icon looks wide/emoji.

func ContainsWide ¶

func ContainsWide(s string) bool

ContainsWide reports whether s has any double-width rune.

func FitLabel ¶

func FitLabel(s string, cols int) string

FitLabel keeps label within cols, preferring ASCII when needed.

func IconCells ¶

func IconCells(icon string, asciiMode bool) int

StripForHit returns display width to use for hit-testing an icon glyph.

func Pad ¶

func Pad(s string, cols int) string

Pad pads s with spaces to exactly cols display cells (truncates if longer).

func Rune ¶

func Rune(r rune) int

func String ¶

func String(s string) int

func Truncate ¶

func Truncate(s string, maxCols int) string

Truncate returns s fitting in maxCols cells, appending "…" if cut.