Change focus to be driven by events rather than walking all panes at end

of event loop, this way the ordering of in and out can be enforced.
GitHub issue 2808.

1 files changed, 6 insertions, 2 deletions

diff --git a/input.c b/input.c
index 49ed68b7..155144b7 100644
--- a/input.c
+++ b/input.c
@@ -1792,8 +1792,12 @@ input_csi_dispatch_sm_private(struct input_ctx *ictx)
 			if (sctx->s->mode & MODE_FOCUSON)
 				break;
 			screen_write_mode_set(sctx, MODE_FOCUSON);
-			if (wp != NULL)
-				wp->flags |= PANE_FOCUSPUSH; /* force update */
+			if (wp == NULL)
+				break;
+			if (wp->flags & PANE_FOCUSED)
+				bufferevent_write(wp->event, "\033[I", 3);
+			else
+				bufferevent_write(wp->event, "\033[O", 3);
 			break;
 		case 1005:
 			screen_write_mode_set(sctx, MODE_MOUSE_UTF8);