fix: unable to submit preferences (fyne bug) (#26)

* refactor: rename SetOnClose to SetOnClosed

* fix: disable validation

ui/settings.go

@@ -11,7 +11,7 @@ import (
 type Settings interface {
 	Show()
 	SetOnSubmit(callback func())
-	SetOnClose(callback func())
+	SetOnClosed(callback func())
 }
 
 // type validation
@@ -49,7 +49,7 @@ func (s *settings) SetOnSubmit(callback func()) {
 	(*s.form).Refresh()
 }
 
-func (s *settings) SetOnClose(callback func()) {
+func (s *settings) SetOnClosed(callback func()) {
 	(*s.win).SetOnClosed(callback)
 }
 
@@ -91,10 +91,13 @@ func makeForm() *widget.Form {
 	return form
 }
 
-func newIntegerFormItem(bind binding.Int, entryText string, hintText string, validator fyne.StringValidator) *widget.FormItem {
+func newIntegerFormItem(bind binding.Int, entryText string, hintText string, _ fyne.StringValidator) *widget.FormItem {
 	value, _ := bind.Get()
 	entry := newIntegerEntryWithData(binding.IntToString(bind))
-	entry.Validator = validator
+
+	// Validation disabled until https://github.com/fyne-io/fyne/issues/3961 is fixed (Fyne 2.5.1)
+	//entry.Validator = validator
+
 	formItem := widget.NewFormItem(entryText, entry)
 	formItem.HintText = fmt.Sprintf(hintText, value)
 	return formItem

ui/ui.go

@@ -95,7 +95,7 @@ func MakeClassicLayout(myPomodoro *pomodoro.Pomodoro) fyne.CanvasObject {
 			timer.Text = formatDuration(myPomodoro.RemainingTime)
 			timer.Refresh()
 		})
-		settings.SetOnClose(func() {
+		settings.SetOnClosed(func() {
 			settingsButton.Enable()
 		})