From 66a7d0b8a3ac70bb1b9f02f60ea63e5419d9b8eb Mon Sep 17 00:00:00 2001
From: Dean Lee <deanlee3@gmail.com>
Date: Sat, 25 Mar 2023 12:54:41 +0800
Subject: [PATCH] cabana: enables user to select the zoom area when the mouse
 press on the data point (#27679)

zoom anywhere
old-commit-hash: 33afefd346e4348aacb122a486066741731b7d05
---
 tools/cabana/chartswidget.cc | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/tools/cabana/chartswidget.cc b/tools/cabana/chartswidget.cc
index c98ca3bc69..72c9e1ba91 100644
--- a/tools/cabana/chartswidget.cc
+++ b/tools/cabana/chartswidget.cc
@@ -9,8 +9,9 @@
 #include <QGraphicsLayout>
 #include <QLineEdit>
 #include <QMenu>
-#include <QRubberBand>
+#include <QOpenGLWidget>
 #include <QPushButton>
+#include <QRubberBand>
 #include <QToolBar>
 #include <QToolTip>
 #include <QtConcurrent>
@@ -849,6 +850,13 @@ QXYSeries *ChartView::createSeries(SeriesType type, QColor color) {
   chart()->addSeries(series);
   series->attachAxis(axis_x);
   series->attachAxis(axis_y);
+
+  // disables the delivery of mouse events to the opengl widget.
+  // this enables the user to select the zoom area when the mouse press on the data point.
+  auto glwidget = findChild<QOpenGLWidget *>();
+  if (glwidget && !glwidget->testAttribute(Qt::WA_TransparentForMouseEvents)) {
+    glwidget->setAttribute(Qt::WA_TransparentForMouseEvents);
+  }
   return series;
 }