Lua: Expose QClipboard class in Qt package

Change-Id: I931bf619b1f4e94ae651d7c5eb7d21e79f3dfc93
Reviewed-by: <lie@spyro-soft.com>
Reviewed-by: hjk <hjk@qt.io>

src/plugins/lua/bindings/qt.cpp

@@ -5,6 +5,8 @@
 
 #include "utils.h"
 
+#include <QApplication>
+#include <QClipboard>
 #include <QCompleter>
 #include <QDir>
 
@@ -39,6 +41,16 @@ void setupQtModule()
                                  });})
             );
 
+        qt.new_usertype<QClipboard>(
+            "QClipboard",
+            sol::call_constructor,
+            &QApplication::clipboard,
+            "text",
+            sol::property([](QClipboard &self) { return self.text(); },
+                          [](QClipboard &self, const QString &value) { self.setText(value); })
+            );
+
+
         mirrorEnum(qt, QMetaEnum::fromType<QCompleter::CompletionMode>(), "QCompleterCompletionMode");
 
         // clang-format off

src/plugins/lua/meta/qt.lua

@@ -27,6 +27,12 @@ function qt.QCompleter.create(params) end
 ---@param function The function to be called when user choice is selected from popup.
 function qt.QCompleter.onActivated(function) end
 
+---@class QClipboard
+--- A Lua wrapper for the Qt `QClipboard` class.
+
+qt.QClipboard() Creates QClipboard object, which is a singleton instance of the system clipboard.
+---@field text The text content of the clipboard. Gets or sets the text content of the clipboard.
+
 ---@enum TextElideMode
 qt.TextElideMode = {
     ElideLeft = 0,