vim_mode_state.go RawHistoryFolder

1package ui
2
3import (
4	"sync"
5	"time"
6
7	"github.com/bnema/dumber/internal/domain/entity"
8)
9
10// vimModeState holds the app-wide Vim Mode bookkeeping that is not tied to a
11// single browser window: which panes report an editable page element focused,
12// and the pulse debounce clock. Per-window ownership (the accented pane) stays
13// on browserWindow.vimModePaneID.
14type vimModeState struct {
15	editableFocus map[entity.PaneID]bool
16
17	pulseMu   sync.Mutex
18	pulseLast time.Time
19}
20
21func (s *vimModeState) editableFocused(paneID entity.PaneID) bool {
22	return paneID != "" && s.editableFocus[paneID]
23}
24
25func (s *vimModeState) setEditableFocused(paneID entity.PaneID, editable bool) {
26	if paneID == "" {
27		return
28	}
29	if !editable {
30		delete(s.editableFocus, paneID)
31		return
32	}
33	if s.editableFocus == nil {
34		s.editableFocus = make(map[entity.PaneID]bool)
35	}
36	s.editableFocus[paneID] = true
37}
38
39// allowPulse reports whether a pulse may run at now, and records it when so.
40// Pulses closer than vimModePulseInterval are skipped so held-key repeats do
41// not restart CSS animations at scroll cadence.
42func (s *vimModeState) allowPulse(now time.Time) bool {
43	s.pulseMu.Lock()
44	defer s.pulseMu.Unlock()
45	if now.Sub(s.pulseLast) < vimModePulseInterval {
46		return false
47	}
48	s.pulseLast = now
49	return true
50}
51
52// resetPulse clears the debounce so the first pulse after re-entering Vim
53// Mode is never skipped.
54func (s *vimModeState) resetPulse() {
55	s.pulseMu.Lock()
56	s.pulseLast = time.Time{}
57	s.pulseMu.Unlock()
58}
59
60func (s *vimModeState) pulseIdle() bool {
61	s.pulseMu.Lock()
62	defer s.pulseMu.Unlock()
63	return s.pulseLast.IsZero()
64}