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Clean up image support and add regression tests

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This commit is contained in:
Michael Grant
2026-10-04 11:44:00 +01:00
parent 91441d6ef2
commit 90ee6a89cc
31 changed files with 465 additions and 633 deletions
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17
regress/image-movepane-drag-noflash.sh
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@@ -1,21 +1,6 @@
#!/bin/sh
# Regression test: Alt-dragging a floating pane by its body (move-pane -M,
# bound by default to M-MouseDrag1Pane/M-MouseDrag1Border) must not
# retransmit images in other panes of the same window.
#
# cmd_join_pane_mouse_move() (cmd-join-pane.c) is a second, separate
# implementation of "drag to move a floating pane" - parallel to the one in
# cmd-resize-pane.c already fixed for plain (non-Alt) border drags - and
# used to call server_redraw_window() unconditionally on every motion
# event, wiping and retransmitting every image in the window on each step
# of the drag even though only the floating pane's own rectangle actually
# moved. See tmux-image-redraw-known-bugs.md for the full write-up.
#
# This is checked by counting DCS (\033P) sequences in the client's raw
# output while a stationary tiled pane's image is present and an unrelated
# floating pane is Alt-dragged elsewhere in the window: with the fix, none
# should appear.
# Alt-dragging a floating pane must not retransmit images in other panes.
. ./image-noflash-common.inc