MultiButtonControl (#35307)

* copy

* remove params from it

* split out

selfdrive/ui/qt/widgets/controls.h

@@ -183,10 +183,10 @@ private:
   bool store_confirm = false;
 };
 
-class ButtonParamControl : public AbstractControl {
+class MultiButtonControl : public AbstractControl {
   Q_OBJECT
 public:
-  ButtonParamControl(const QString &param, const QString &title, const QString &desc, const QString &icon,
+  MultiButtonControl(const QString &title, const QString &desc, const QString &icon,
                      const std::vector<QString> &button_texts, const int minimum_button_width = 225) : AbstractControl(title, desc, icon) {
     const QString style = R"(
       QPushButton {
@@ -208,24 +208,19 @@ public:
         color: #33E4E4E4;
       }
     )";
-    key = param.toStdString();
-    int value = atoi(params.get(key).c_str());
 
     button_group = new QButtonGroup(this);
     button_group->setExclusive(true);
     for (int i = 0; i < button_texts.size(); i++) {
       QPushButton *button = new QPushButton(button_texts[i], this);
       button->setCheckable(true);
-      button->setChecked(i == value);
       button->setStyleSheet(style);
       button->setMinimumWidth(minimum_button_width);
       hlayout->addWidget(button);
       button_group->addButton(button, i);
     }
 
-    QObject::connect(button_group, QOverload<int>::of(&QButtonGroup::buttonClicked), [=](int id) {
-      params.put(key, std::to_string(id));
-    });
+    QObject::connect(button_group, QOverload<int>::of(&QButtonGroup::buttonClicked), this, &MultiButtonControl::buttonClicked);
   }
 
   void setEnabled(bool enable) {
@@ -238,6 +233,31 @@ public:
     button_group->button(id)->setChecked(true);
   }
 
+signals:
+  void buttonClicked(int id);
+
+protected:
+  QButtonGroup *button_group;
+};
+
+class ButtonParamControl : public MultiButtonControl {
+  Q_OBJECT
+public:
+  ButtonParamControl(const QString &param, const QString &title, const QString &desc, const QString &icon,
+                     const std::vector<QString> &button_texts, const int minimum_button_width = 225) : MultiButtonControl(title, desc, icon,
+                                                                                                                          button_texts, minimum_button_width) {
+    key = param.toStdString();
+    int value = atoi(params.get(key).c_str());
+
+    if (value > 0 && value < button_group->buttons().size()) {
+      button_group->button(value)->setChecked(true);
+    }
+
+    QObject::connect(this, QOverload<int>::of(&MultiButtonControl::buttonClicked), [=](int id) {
+      params.put(key, std::to_string(id));
+    });
+  }
+
   void refresh() {
     int value = atoi(params.get(key).c_str());
     button_group->button(value)->setChecked(true);
@@ -250,7 +270,6 @@ public:
 private:
   std::string key;
   Params params;
-  QButtonGroup *button_group;
 };
 
 class ListWidget : public QWidget {