You need these.

svn path=/trunk/kdebase/kwin/; revision=57839

default/QuestionButton.cpp

@@ -0,0 +1,47 @@
+/*
+  Default KWin client
+  
+  Copyright 2000
+    Rik Hemsley <rik@kde.org>
+
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU General Public
+  License as published by the Free Software Foundation; either
+  version 2 of the License, or (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; see the file COPYING.  If not, write to
+  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+  Boston, MA 02111-1307, USA.
+*/
+
+#include "QuestionButton.h"
+
+namespace Default
+{
+
+QuestionButton::QuestionButton(QWidget * parent)
+  : Button(parent, Question)
+{
+}
+
+  void
+QuestionButton::mouseReleaseEvent(QMouseEvent * e)
+{
+  Button::mouseReleaseEvent(e);
+
+  if (!rect().contains(e->pos()))
+    return;
+
+  emit(contextHelp());
+}
+
+} // End namespace;
+
+// vim:ts=2:sw=2:tw=78
+#include "QuestionButton.moc"

default/QuestionButton.h

@@ -0,0 +1,52 @@
+/*
+  Default KWin client
+  
+  Copyright 2000
+    Rik Hemsley <rik@kde.org>
+
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU General Public
+  License as published by the Free Software Foundation; either
+  version 2 of the License, or (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; see the file COPYING.  If not, write to
+  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+  Boston, MA 02111-1307, USA.
+*/
+
+#ifndef DEFAULT_QUESTION_BUTTON_H
+#define DEFAULT_QUESTION_BUTTON_H
+
+#include "Button.h"
+
+namespace Default
+{
+
+class QuestionButton : public Button
+{
+  Q_OBJECT
+
+  public:
+
+    QuestionButton(QWidget * parent);
+
+  signals:
+
+    void contextHelp();
+  
+  protected:
+
+    void mouseReleaseEvent(QMouseEvent *);
+};
+
+} // End namespace;
+
+#endif
+
+// vim:ts=2:sw=2:tw=78