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As well as tracking modified (dirty) lines during a synchronized update,

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also track scrolled lines. This means they can be scrolled as one
instead of forcing each line to be redrawn - much less expensive for a
very common operation. From Ben Maurer in GitHub issue 5611.
This commit is contained in:
nicm
2026-09-24 11:19:39 +00:00
committed by tmux update bot
parent aa4123ab58
commit 7fc7f1bf69
4 changed files with 164 additions and 37 deletions
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8
tmux.h
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@@ -1,4 +1,4 @@
/* $OpenBSD: tmux.h,v 1.1447 2026/09/22 14:10:26 nicm Exp $ */
/* $OpenBSD: tmux.h,v 1.1448 2026/09/24 11:19:39 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1313,6 +1313,10 @@ struct window_pane {
bitstr_t *sync_dirty;
u_int sync_dirty_size;
u_int sync_scrolled;
u_int sync_rupper;
u_int sync_rlower;
u_int sync_bg;
u_int sb_slider_y;
u_int sb_slider_h;
@@ -3540,7 +3544,7 @@ void screen_write_mode_clear(struct screen_write_ctx *, int);
void screen_write_start_sync(struct window_pane *);
void screen_write_stop_sync(struct window_pane *);
void screen_write_end_sync(struct screen_write_ctx *);
void screen_write_clear_dirty(struct window_pane *);
void screen_write_sync_clear_dirty(struct window_pane *);
void screen_write_cursorup(struct screen_write_ctx *, u_int);
void screen_write_cursordown(struct screen_write_ctx *, u_int);
void screen_write_cursorright(struct screen_write_ctx *, u_int);