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focus_test.go
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focus_test.go
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package app_test
import (
"testing"
"fyne.io/fyne/internal/app"
"fyne.io/fyne/widget"
"github.com/stretchr/testify/assert"
)
func TestFocusManager_Focus(t *testing.T) {
entry1 := &focusable{}
hidden := widget.NewCheck("test", func(bool) {})
hidden.Hide()
entry2 := &focusable{}
disabled := widget.NewCheck("test", func(bool) {})
disabled.Disable()
entry3 := &focusable{}
c := widget.NewVBox(entry1, hidden, entry2, disabled, entry3)
manager := app.NewFocusManager(c)
assert.Nil(t, manager.Focused())
manager.Focus(entry2)
assert.Equal(t, entry2, manager.Focused())
assert.True(t, entry2.focused)
manager.Focus(entry1)
assert.Equal(t, entry1, manager.Focused())
assert.True(t, entry1.focused)
assert.False(t, entry2.focused)
manager.Focus(entry3)
assert.Equal(t, entry3, manager.Focused())
assert.True(t, entry3.focused)
assert.False(t, entry1.focused)
manager.Focus(nil)
assert.Nil(t, manager.Focused())
assert.False(t, entry3.focused)
}
func TestFocusManager_FocusNext(t *testing.T) {
entry1 := &focusable{}
hidden := widget.NewCheck("test", func(bool) {})
hidden.Hide()
entry2 := &focusable{}
disabled := widget.NewCheck("test", func(bool) {})
disabled.Disable()
entry3 := &focusable{}
c := widget.NewVBox(entry1, hidden, entry2, disabled, entry3)
manager := app.NewFocusManager(c)
assert.Nil(t, manager.Focused())
manager.FocusNext()
assert.Equal(t, entry1, manager.Focused())
assert.True(t, entry1.focused)
manager.FocusNext()
assert.Equal(t, entry2, manager.Focused())
assert.True(t, entry2.focused)
assert.False(t, entry1.focused)
manager.FocusNext()
assert.Equal(t, entry3, manager.Focused())
assert.True(t, entry3.focused)
assert.False(t, entry2.focused)
manager.FocusNext()
assert.Equal(t, entry1, manager.Focused())
assert.True(t, entry1.focused)
assert.False(t, entry3.focused)
}
func TestFocusManager_FocusPrevious(t *testing.T) {
entry1 := &focusable{}
hidden := widget.NewCheck("test", func(bool) {})
hidden.Hide()
entry2 := &focusable{}
disabled := widget.NewCheck("test", func(bool) {})
disabled.Disable()
entry3 := &focusable{}
c := widget.NewVBox(entry1, hidden, entry2, disabled, entry3)
manager := app.NewFocusManager(c)
assert.Nil(t, manager.Focused())
manager.FocusPrevious()
assert.Equal(t, entry3, manager.Focused())
assert.True(t, entry3.focused)
manager.FocusPrevious()
assert.Equal(t, entry2, manager.Focused())
assert.True(t, entry2.focused)
assert.False(t, entry3.focused)
manager.FocusPrevious()
assert.Equal(t, entry1, manager.Focused())
assert.True(t, entry1.focused)
assert.False(t, entry2.focused)
manager.FocusPrevious()
assert.Equal(t, entry3, manager.Focused())
assert.True(t, entry3.focused)
assert.False(t, entry1.focused)
}
type focusable struct {
widget.Entry
focused bool
}
func (f *focusable) FocusGained() {
if f.Disabled() {
return
}
f.focused = true
}
func (f *focusable) FocusLost() {
f.focused = false
}