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66 lines
1.3 KiB
66 lines
1.3 KiB
3 years ago
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package clipboard
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import (
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"context"
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"fmt"
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"sync"
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"time"
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)
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type ErrFormatNotSupported struct {
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msg string
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formatType int
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}
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func (e *ErrFormatNotSupported) Error() string {
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return fmt.Sprint("This format is unsupported")
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}
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// ReadAll read string from clipboard
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func ReadAll() (string, error) {
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return readAll()
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}
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// WriteAll write string to clipboard
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func WriteAll(text string) error {
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return writeAll(text)
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}
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// Unsupported might be set true during clipboard init, to help callers decide
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// whether or not to offer clipboard options.
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var Unsupported bool
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// Monitor starts monitoring the clipboard for changes. When
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// a change is detected, it is sent over the channel.
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func MonitorClipboard(interval time.Duration, ctx context.Context, wg *sync.WaitGroup, stopCh <-chan struct{}, changes chan<- string) error {
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currentValue, err := ReadAll()
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if err != nil {
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if _, ok := err.(*ErrFormatNotSupported); ok {
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fmt.Println(err)
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} else {
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return err
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}
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}
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for {
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select {
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case <-ctx.Done():
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fmt.Println("Monitor exiting...")
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close(changes)
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time.Sleep(time.Millisecond * 10)
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wg.Done()
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return nil
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default:
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if newValue, err := ReadAll(); err == nil {
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if newValue != currentValue {
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currentValue = newValue
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changes <- currentValue
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}
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} else {
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fmt.Println(err)
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}
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}
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time.Sleep(interval)
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}
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}
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