Synchronized update on preview windows

[lazypingu]

Hi,
for previewing images via sixels on foot I wanted to avoid flickering on image changes.
I stumble across the possiblity to use "application syncronized updates" to avoid this.

Would it be possible to allow using this in preview windows, e.g. via printf '\033[?2026h' and printf '\033[?2026l' around the image printing? Or printf '\033[H' to move the cursor to the top and overdraw instead of clear?

I saw there was already a PR (#3713) regarding the synchronized updates, so I'm not sure if this would be easy to adapt. Just wanted to ask in general.

Just for background: https://github.com/contour-terminal/vt-extensions/blob/master/synchronized-output.md

[lazypingu]

Just for testing, I've wrapped the queued string with the synchronized update sequences:

diff --git a/src/tui/light.go b/src/tui/light.go
index 77f15b9a..b556d243 100644
--- a/src/tui/light.go
+++ b/src/tui/light.go
@@ -91,7 +91,8 @@ func (r *LightRenderer) csi(code string) string {
 
 func (r *LightRenderer) flush() {
 	if r.queued.Len() > 0 {
-		raw := "\x1b[?7l\x1b[?25l" + r.queued.String()
+		raw := "\x1b[?7l\x1b[?25l"
+		raw += "\x1b[?2026h" + r.queued.String() + "\x1b[?2026l"
 		if r.showCursor {
 			raw += "\x1b[?25h\x1b[?7h"
 		} else {

This seems to avoid the flickering for me with the foot terminal which support these sequences.

[lazypingu]

Was implemented on 374b012. Released with v0.74.1.
Thanks!