UI: fix unable to scroll on 'Regulatory' page (#25014)

* fix unable to scroll on 'Regulatory' page

deleteLater after hide

* remove alert

* override exec

* set MousePressEventDelay to 0

* set to 0.01

* cleanup

* check event->pos()

selfdrive/ui/qt/widgets/controls.cc

@@ -125,7 +125,9 @@ void ElidedLabel::paintEvent(QPaintEvent *event) {
 ClickableWidget::ClickableWidget(QWidget *parent) : QWidget(parent) { }
 
 void ClickableWidget::mouseReleaseEvent(QMouseEvent *event) {
-  emit clicked();
+  if (rect().contains(event->pos())) {
+    emit clicked();
+  }
 }
 
 // Fix stylesheets

selfdrive/ui/qt/widgets/controls.h

@@ -24,7 +24,11 @@ signals:
 protected:
   void paintEvent(QPaintEvent *event) override;
   void resizeEvent(QResizeEvent* event) override;
-  void mouseReleaseEvent(QMouseEvent *event) override { emit clicked(); }
+  void mouseReleaseEvent(QMouseEvent *event) override { 
+    if (rect().contains(event->pos())) {
+      emit clicked(); 
+    }
+  }
   QString lastText_, elidedText_;
 };
 

selfdrive/ui/qt/widgets/scrollview.cc

@@ -37,7 +37,7 @@ ScrollView::ScrollView(QWidget *w, QWidget *parent) : QScrollArea(parent) {
 
   sp.setScrollMetric(QScrollerProperties::VerticalOvershootPolicy, QVariant::fromValue<QScrollerProperties::OvershootPolicy>(QScrollerProperties::OvershootAlwaysOff));
   sp.setScrollMetric(QScrollerProperties::HorizontalOvershootPolicy, QVariant::fromValue<QScrollerProperties::OvershootPolicy>(QScrollerProperties::OvershootAlwaysOff));
-
+  sp.setScrollMetric(QScrollerProperties::MousePressEventDelay, 0.01);
   scroller->grabGesture(this->viewport(), QScroller::LeftMouseButtonGesture);
   scroller->setScrollerProperties(sp);
 }