Commit: patch 9.2.0644: popup image: duplicate sync-output code

[Christian Brabandt]

patch 9.2.0644: popup image: duplicate sync-output code

Commit: https://github.com/vim/vim/commit/845fae6bdfb579211f7542e50e795be47a0cb2bd
Author: Foxe Chen <chen...@gmail.com>
Date: Sun Jun 14 15:35:04 2026 +0000

patch 9.2.0644: popup image: duplicate sync-output code

Problem: popup image: duplicate sync-output code
Solution: Remove duplicate code and re-use existing
term_set_sync_output() function (Foxe Chen).

closes: #20515

Signed-off-by: Foxe Chen <chen...@gmail.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/src/popupwin.c b/src/popupwin.c
index e5c936400..dfd880a82 100644
--- a/src/popupwin.c
+++ b/src/popupwin.c
@@ -2091,42 +2091,6 @@ popup_image_composites_frames(void)
return false;
# endif
}
-
-# if defined(FEAT_IMAGE_SIXEL) || defined(FEAT_IMAGE_KITTY)
-// TRUE while a DEC synchronized-update block (DECSET 2026) is open around
-// a popup image residue clear + re-emit.
-static int popup_sync_update_open = FALSE;
-
-/*
- * Begin a synchronized update before the cells under a popup image are
- * repainted for an RGBA frame swap. Without it the terminal can render
- * the freshly painted background cells before the new sixel frame
- * arrives, making the animation flicker. Terminals that do not support
- * mode 2026 ignore it.
- */
- static void
-popup_sync_update_start(void)
-{
- if (popup_sync_update_open)
- return;
-# ifdef FEAT_GUI
- if (gui.in_use)
- return;
-# endif
- out_str((char_u *)" [?2026h");
- popup_sync_update_open = TRUE;
-}
-
- static void
-popup_sync_update_end(void)
-{
- if (!popup_sync_update_open)
- return;
- out_str((char_u *)" [?2026l");
- out_flush();
- popup_sync_update_open = FALSE;
-}
-# endif
#endif

// Snapshot of the popup window geometry that update_popups() temporarily
@@ -6906,7 +6870,7 @@ popup_invalidate_prev_image_rect(win_T *wp, popup_clip_T *cl)
// synchronized updates, so the background never shows through
// between animation frames. Closed right after this popup's
// image is re-emitted in update_popups().
- popup_sync_update_start();
+ term_set_sync_output(TERM_SYNC_OUTPUT_ENABLE);
# endif
}

@@ -7841,7 +7805,7 @@ update_popups(void (*win_update)(win_T *wp))
# if defined(FEAT_IMAGE_SIXEL) || defined(FEAT_IMAGE_KITTY)
// Close the synchronized-update block a residue clear for this
// popup may have opened in popup_invalidate_prev_image_rect().
- popup_sync_update_end();
+ term_set_sync_output(TERM_SYNC_OUTPUT_DISABLE);
# endif
}
#endif
diff --git a/src/version.c b/src/version.c
index edb973731..f00b31d09 100644
--- a/src/version.c
+++ b/src/version.c
@@ -759,6 +759,8 @@ static char *(features[]) =

static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 644,
/**/
643,
/**/