From 64f89beb0d8d594e10876b2df11cfdba42b8c2c1 Mon Sep 17 00:00:00 2001
From: Dean Lee <deanlee3@gmail.com>
Date: Mon, 24 Oct 2022 04:39:06 +0800
Subject: [PATCH] Cabana: delete all selected cells when shrinking signal
 (#26211)

---
 tools/cabana/binaryview.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/cabana/binaryview.cc b/tools/cabana/binaryview.cc
index 915ec8bb8f..ed5f243f08 100644
--- a/tools/cabana/binaryview.cc
+++ b/tools/cabana/binaryview.cc
@@ -86,7 +86,8 @@ void BinaryView::mouseReleaseEvent(QMouseEvent *event) {
     if (auto sig = getResizingSignal()) {
       auto [sig_from, sig_to] = getSignalRange(sig);
       if (from >= sig_from && to <= sig_to) {  // reduce size
-        emit(from == sig_from ? resizeSignal(sig, to, sig_to) : resizeSignal(sig, sig_from, from));
+        emit(from == sig_from ? resizeSignal(sig, std::min(to + 1, sig_to), sig_to)
+                              : resizeSignal(sig, sig_from, std::max(from - 1, sig_from)));
       } else {  // increase size
         emit resizeSignal(sig, std::min(from, sig_from), std::max(to, sig_to));
       }