util

Documentation

Overview

Package util contains various small helper functions.

Index

• func CodeValidator(input string) error
• func UserDownloadsFolder() string
• func WindowSizeToDialog(s fyne.Size) fyne.Size
• type ProgressReader
  • func NewProgressReader(r io.Reader, p func(delta int64, max int64), max int64) *ProgressReader
  • func NewProgressReaderAt(r io.ReaderAt, p func(delta int64, max int64), max int64) *ProgressReader
  • func (p *ProgressReader) Read(buf []byte) (int, error)
  • func (p *ProgressReader) ReadAt(buf []byte, off int64) (int, error)

Functions

func CodeValidator

func CodeValidator(input string) error

CodeValidator provides a validator for wormhole codes.

func UserDownloadsFolder

func UserDownloadsFolder() string

UserDownloadsFolder returns the downloads folder corresponding to the current user.

func WindowSizeToDialog

func WindowSizeToDialog(s fyne.Size) fyne.Size

WindowSizeToDialog scales the window size to a suitable dialog size.

Types

type ProgressReader

type ProgressReader struct {
	Max int64
	// contains filtered or unexported fields
}

ProgressReader is a reader wrapper that calls a function for each part content being read.

func NewProgressReader

func NewProgressReader(r io.Reader, p func(delta int64, max int64), max int64) *ProgressReader

NewProgressReader returns a wrapped Reader that updates the progress bar.

func NewProgressReaderAt

func NewProgressReaderAt(r io.ReaderAt, p func(delta int64, max int64), max int64) *ProgressReader

NewProgressReaderAt returns a wrapped ReaderAt that updates the progress bar.

func (*ProgressReader) Read

func (p *ProgressReader) Read(buf []byte) (int, error)

Read wraps the Reader and updates the progress bar.

func (*ProgressReader) ReadAt

func (p *ProgressReader) ReadAt(buf []byte, off int64) (int, error)

ReadAt wraps the ReaderAt and updates the progress bar.