ClickBlurLabel: Create a label which is blurred until it is clicked

This is particularly useful for people who stream their desktop and don't want to accidentally leak their IP or room.

Source/Core/DolphinQt/NetPlay/ClickBlurLabel.h

@@ -0,0 +1,29 @@
+// Copyright 2025 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <QLabel>
+#include <QStackedWidget>
+#include <QWidget>
+
+class ClickBlurLabel final : public QStackedWidget
+{
+  Q_OBJECT
+public:
+  explicit ClickBlurLabel(QWidget* parent = nullptr);
+
+  void setText(const QString& text);
+
+  QString text() const { return m_normal_label->text(); }
+
+protected:
+  void mousePressEvent(QMouseEvent* event) override;
+
+private:
+  // Generates text that "looks correct" but is actually gibberish.
+  static QString GenerateBlurredText(const QString& text);
+
+  QLabel* m_normal_label;
+  QLabel* m_blurred_label;
+};