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Wrap frames in synchronized update mode (2026)
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Reduce flickering during rendering on supported terminals.
This commit is contained in:
Junegunn Choi
2026-07-16 23:20:29 +09:00
parent c0860259fa
commit 374b01242d
1 changed files with 6 additions and 4 deletions
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src/tui/light.go
+6 -4
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@@ -92,12 +92,14 @@ func (r *LightRenderer) csi(code string) string {
func (r *LightRenderer) flush() { func (r *LightRenderer) flush() {
if r.queued.Len() > 0 { if r.queued.Len() > 0 {
raw := "\x1b[?7l\x1b[?25l" + r.queued.String() // Wrap the frame in synchronized update mode (2026) so that the
// terminal applies it atomically. Terminals without support ignore
// the unknown private mode and behave as before.
raw := "\x1b[?2026h\x1b[?7l\x1b[?25l" + r.queued.String()
if r.showCursor { if r.showCursor {
raw += "\x1b[?25h\x1b[?7h" raw += "\x1b[?25h"
} else {
raw += "\x1b[?7h"
} }
raw += "\x1b[?7h\x1b[?2026l"
r.flushRaw(raw) r.flushRaw(raw)
r.queued.Reset() r.queued.Reset()
} }