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diff --git a/kmplot/kmplot/kminmax.h b/kmplot/kmplot/kminmax.h
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+/*
+* KmPlot - a math. function plotter for the KDE-Desktop
+*
+* Copyright (C) 2004  Fredrik Edemar
+*                     f_edemar@linux.se
+*               
+* This file is part of the KDE Project.
+* KmPlot is part of the KDE-EDU Project.
+*
+* 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; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*
+*/
+
+#ifndef KMINMAX_H
+#define KMINMAX_H
+
+#include "qminmax.h"
+#include "View.h"
+
+/**
+@author Fredrik Edemar
+*/
+/// KMinMax handles all the dialogs for the items in the tool-menu.
+class KMinMax : public QMinMax
+{
+Q_OBJECT
+public:
+    KMinMax(View *, QWidget *parent = 0, const char *name = 0);
+    /// called every time the dialog is opened
+    void init(char);
+    /// update the list with functions
+    void updateFunctions();
+    /// select the right function when using the popup menu to show the dialog
+    void selectItem();
+
+    ~KMinMax();
+   
+public slots:
+    /// the user has pressen the find/caluclate/draw button
+    void cmdFind_clicked();
+    /// the selecting a function that uses parameter function from a list the user can choose which paramater value he/she wants to use
+    void cmdParameter_clicked();
+    /// the button for changing the selected parameter value
+    void list_highlighted(QListBoxItem*);
+    /// call cmdParameter_clicked() if parameter values is enabled for that function
+    void list_doubleClicked(QListBoxItem *);
+        
+private:
+    View *m_view;
+    char m_mode; //< 0 = minimum, 1 = maximum, 2 = y-point, 3=drawing area
+    QString parameter;
+    
+
+};
+
+#endif