Utils: Add a convenience function to fill clipboard and selection

Relieves the user code side from repeated code which then tends to
get forgotten.

Change-Id: I079f97a658b55f3c79111df1946b8d72863ce513
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/libs/utils/stringutils.cpp

@@ -29,6 +29,11 @@
 #include "hostosinfo.h"
 #include "qtcassert.h"
 
+#ifdef QT_WIDGETS_LIB
+#include <QApplication>
+#include <QClipboard>
+#endif
+
 #include <QCoreApplication>
 #include <QDir>
 #include <QJsonArray>
@@ -469,4 +474,16 @@ QTCREATOR_UTILS_EXPORT QString languageNameFromLanguageCode(const QString &langu
     return languageName;
 }
 
+#ifdef QT_WIDGETS_LIB
+
+QTCREATOR_UTILS_EXPORT void setClipboardAndSelection(const QString &text)
+{
+    QClipboard *clipboard = QApplication::clipboard();
+    clipboard->setText(text);
+    if (clipboard->supportsSelection())
+        clipboard->setText(text, QClipboard::Selection);
+}
+
+#endif
+
 } // namespace Utils

src/libs/utils/stringutils.h

@@ -122,4 +122,12 @@ QTCREATOR_UTILS_EXPORT QString wildcardToRegularExpression(const QString &origin
 
 QTCREATOR_UTILS_EXPORT QString languageNameFromLanguageCode(const QString &languageCode);
 
+
+#ifdef QT_WIDGETS_LIB
+
+// Feeds the global clipboard and, when present, the primary selection
+QTCREATOR_UTILS_EXPORT void setClipboardAndSelection(const QString &text);
+
+#endif
+
 } // namespace Utils