xcb: implement and deprecate QWidget::setWindowIconText()

This is a little-used feature which only affects how minimized icons
are displayed on certain older window managers, and is not necessary
even then.  It has not been implemented in Qt 5 until now.

Task-number: QTBUG-44659
Change-Id: Ie6ead7a6f922878b349a096d905bf7f675dc2f31
Reviewed-by: Jørgen Lind <jorgen.lind@theqtcompany.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/platformheaders/xcbfunctions/qxcbwindowfunctions.h b/src/platformheaders/xcbfunctions/qxcbwindowfunctions.h
index e07679ddcd..accd64f170 100644
--- a/src/platformheaders/xcbfunctions/qxcbwindowfunctions.h
+++ b/src/platformheaders/xcbfunctions/qxcbwindowfunctions.h
@@ -69,6 +69,13 @@ public:
         return QXcbFunctionsHelper::callPlatformFunction<void, SetWmWindowType, QWindow *, WmWindowType>(setWmWindowTypeIdentifier(), window, type);
     }
 
+    typedef void (*SetWmWindowIconText)(QWindow *window, const QString &text);
+    static const QByteArray setWmWindowIconTextIdentifier() { return QByteArrayLiteral("XcbSetWmWindowIconText"); }
+    static void setWmWindowIconText(QWindow *window, const QString &text)
+    {
+        return QXcbFunctionsHelper::callPlatformFunction<void, SetWmWindowIconText, QWindow *, const QString &>(setWmWindowIconTextIdentifier(), window, text);
+    }
+
     typedef void (*SetParentRelativeBackPixmap)(const QWindow *window);
     static const QByteArray setParentRelativeBackPixmapIdentifier() { return QByteArrayLiteral("XcbSetParentRelativeBackPixmap"); }
     static void setParentRelativeBackPixmap(const QWindow *window)