focus_provider.go RawHistoryFolder

1// Package textinput provides implementations for text input targets and focus tracking.
2package textinput
3
4import (
5	"sync"
6
7	"github.com/bnema/dumber/internal/application/port"
8)
9
10// FocusProvider tracks which text input target currently has focus.
11// It implements port.FocusedInputProvider.
12type FocusProvider struct {
13	target port.TextInputTarget
14	mu     sync.RWMutex
15}
16
17// Compile-time interface check.
18var _ port.FocusedInputProvider = (*FocusProvider)(nil)
19
20// NewFocusProvider creates a new focus provider.
21func NewFocusProvider() *FocusProvider {
22	return &FocusProvider{}
23}
24
25// GetFocusedInput returns the currently focused text input target.
26// Returns nil if no text input has focus.
27func (fp *FocusProvider) GetFocusedInput() port.TextInputTarget {
28	fp.mu.RLock()
29	defer fp.mu.RUnlock()
30	return fp.target
31}
32
33// SetFocusedInput sets the currently focused text input target.
34// Pass nil to clear focus.
35func (fp *FocusProvider) SetFocusedInput(target port.TextInputTarget) {
36	fp.mu.Lock()
37	defer fp.mu.Unlock()
38	fp.target = target
39}