kmplot/kmplot/FktDlg.h

   1 /*
   2 * KmPlot - a math. function plotter for the KDE-Desktop
   3 *
   4 * Copyright (C) 1998, 1999  Klaus-Dieter M�ler
   5 *               2000, 2002 kd.moeller@t-online.de
   6 *
   7 * This file is part of the KDE Project.
   8 * KmPlot is part of the KDE-EDU Project.
   9 *
  10 * This program is free software; you can redistribute it and/or modify
  11 * it under the terms of the GNU General Public License as published by
  12 * the Free Software Foundation; either version 2 of the License, or
  13 * (at your option) any later version.
  14 *
  15 * This program is distributed in the hope that it will be useful,
  16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 * GNU General Public License for more details.
  19 *
  20 * You should have received a copy of the GNU General Public License
  21 * along with this program; if not, write to the Free Software
  22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  23 *
  24 */
  25
  26 /** @file FktDlg.h
  27  * @brief Contains the FktDlg class. Entering and editing functions equation and attributes.
  28  */
  29
  30 #ifndef FktDlg_included
  31 #define FktDlg_included
  32
  33 // locale includes
  34 #include "FktDlgData.h"
  35 #include "View.h"
  36
  37 class XParser;
  38
  39 /** @short This widget class handles the users function input.
  40  *
  41  * The list of stored plots is shown. The entries can be edited and/or removed.
  42  * New plots can be entered calling special dialog windows.
  43  * @see KEditFunction, KEditParametric, KEditPolar
  44  */
  45 class FktDlg : public FktDlgData
  46 {
  47         Q_OBJECT
  48
  49 public:
  50         /**
  51          * The constructor gets the current parser instance
  52          * @param parent Parent widget.
  53          * @param parser points to the current parser instance.
  54          */
  55         FktDlg( QWidget* parent, View* view );
  56         /// Empty destructor.
  57         virtual ~FktDlg();
  58         /// Fill the widgets with plots contained in th parser instance.
  59         void getPlots();
  60         /// Returns true if a function was changed
  61         bool isChanged();
  62
  63 public slots:
  64         /// Pressed on the "Copy Function.." button
  65         void slotCopyFunction();
  66         /// Pressed on the "Move Function.." button
  67         void slotMoveFunction();
  68 protected slots:
  69         /// Delete selected plot
  70         void slotDelete();
  71         /// Edit selected Plot
  72         void slotEdit();
  73         /// Enables/disables actions if the list has a/no selection.
  74         void slotHasSelection();
  75         void lb_fktliste_doubleClicked(QListViewItem *, const QPoint &, int);
  76         void lb_fktliste_clicked(QListViewItem * item);
  77         void lb_fktliste_spacePressed(QListViewItem * item);
  78
  79         /// Edit a function plot.
  80         /// @param index Function index of the parser instance.
  81         /// @param num Listbox index
  82         /// @see KEditFunction
  83         void slotEditFunction( int id = -1 );
  84         /// Edit a parametric plot.
  85         /// @param x_index, y_index Function index of the parser instance.
  86         /// @param num Listbox index
  87         /// @see KEditParametric
  88         void slotEditParametric( int x_id = -1, int y_id = -1 );
  89         /// Edit a polar plot.
  90         /// @param index Function index of the parser instance.
  91         /// @param num Listbox index
  92         /// @see KEditPolar
  93         void slotEditPolar( int id = -1 );
  94         /// Edit a new function plot.
  95         void slotNewFunction();
  96         /// Edit a new parametric plot.
  97         void slotNewParametric();
  98         /// Edit a new polar plot.
  99         void slotNewPolar();
 100         /// Invoke Help
 101         void slotHelp();
 102
 103 private:
 104         /// Looks up the id of \a f_str in the parser instance.
 105         int getId( const QString &f_str );
 106         /// Looks up the indices of the parametric pair of function.
 107         int getParamId( const QString &f_str );
 108         /// Update the view of the main window.
 109         void updateView();
 110         /// Called when the dialog is showed
 111         void showEvent ( QShowEvent * );
 112         // /// Send a function to an other instance of Kmplot. Returns true if it success, otherwise false
 113         // bool sendFunction();
 114
 115         /// Ponts to the parser instance.
 116         View* m_view;
 117         /// indicates if a function is changed/added/removed
 118         bool changed;
 119 };
 120
 121 #endif // FktDlg_included