cabana: reduce minimum size (#30223)

reduce minimumsize
old-commit-hash: 818d29818fcb54f84e8fbb366fbe6913c70be2b9

tools/cabana/chart/chartswidget.cc

@@ -370,6 +370,10 @@ void ChartsWidget::doAutoScroll() {
   }
 }
 
+QSize ChartsWidget::minimumSizeHint() const {
+  return QSize(CHART_MIN_WIDTH, QWidget::minimumSizeHint().height());
+}
+
 void ChartsWidget::resizeEvent(QResizeEvent *event) {
   QWidget::resizeEvent(event);
   updateLayout();

tools/cabana/chart/chartswidget.h

@@ -54,6 +54,7 @@ signals:
   void seriesChanged();
 
 private:
+  QSize minimumSizeHint() const override;
   void resizeEvent(QResizeEvent *event) override;
   bool event(QEvent *event) override;
   void alignCharts();