chore: init from code-review-graph-main snapshot (v2.3.7)

tests/fixtures/cpp_qt_headers/MyWidget.cpp

@@ -0,0 +1,12 @@
+#include "MyWidget.h"
+
+MyWidget::MyWidget(QWidget* parent) : QMainWindow(parent) {}
+MyWidget::~MyWidget() {}
+void MyWidget::doSomething() { onReset(); }
+int MyWidget::calculateValue(int a, int b) { return a + b; }
+void MyWidget::onButtonClicked() { Q_EMIT dataReady(calculateValue(1, 2)); }
+void MyWidget::onDataReceived(int value) {
+  if (value < 0) { Q_EMIT errorOccurred("err"); return; }
+  doSomething();
+}
+void MyWidget::onReset() { Q_EMIT dataReady(0); }

tests/fixtures/cpp_qt_headers/MyWidget.h

@@ -0,0 +1,26 @@
+#pragma once
+#include <QMainWindow>
+
+QT_BEGIN_NAMESPACE namespace Ui { class MyWidgetClass; };
+QT_END_NAMESPACE
+
+class MyWidget : public QMainWindow {
+  Q_OBJECT
+
+ public:
+  MyWidget(QWidget* parent = nullptr);
+  ~MyWidget();
+  void doSomething();
+  int calculateValue(int a, int b);
+
+ protected Q_SLOTS:
+  void onButtonClicked();
+  void onDataReceived(int value);
+
+ public Q_SLOTS:
+  void onReset();
+
+ Q_SIGNALS:
+  void dataReady(int result);
+  void errorOccurred(const QString& msg);
+};

tests/fixtures/cpp_qt_headers/MyWidgetPlain.cpp

@@ -0,0 +1,10 @@
+#include "MyWidgetPlain.h"
+
+MyWidgetPlain::MyWidgetPlain() {}
+MyWidgetPlain::~MyWidgetPlain() {}
+
+void MyWidgetPlain::doSomething() { onReset(); }
+int MyWidgetPlain::calculateValue(int a, int b) { return a + b; }
+void MyWidgetPlain::onButtonClicked() { int result = calculateValue(1, 2); }
+void MyWidgetPlain::onDataReceived(int value) { if (value < 0) return; doSomething(); }
+void MyWidgetPlain::onReset() {}

tests/fixtures/cpp_qt_headers/MyWidgetPlain.h

@@ -0,0 +1,14 @@
+#pragma once
+
+class MyWidgetPlain {
+ public:
+  MyWidgetPlain();
+  ~MyWidgetPlain();
+  void doSomething();
+  int calculateValue(int a, int b);
+
+ protected:
+  void onButtonClicked();
+  void onDataReceived(int value);
+  void onReset();
+};