File indexing completed on 2024-04-21 03:42:09

 /*
     KmPlot - a math. function plotter for the KDE-Desktop
 
     SPDX-FileCopyrightText: 1998, 1999, 2000, 2002 Klaus-Dieter Möller <kd.moeller@t-online.de>
     SPDX-FileCopyrightText: 2006 David Saxton <david@bluehaze.org>
 
     This file is part of the KDE Project.
     KmPlot is part of the KDE-EDU Project.
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 /** @file maindlg.h
  * @brief Contains the main window class MainDlg. */
 
 #ifndef MainDlg_included
 #define MainDlg_included
 
 // Qt includes
 #include <QDomDocument>
 #include <QMenu>
 #include <QPrinter>
 #include <QStack>
 #include <QStandardPaths>
 
 // KDE includes
 #if QT_VERSION_MAJOR == 5
 #include <KParts/BrowserExtension>
 #else
 #include <KParts/NavigationExtension>
 #endif
 #include <KParts/Part>
 #include <KParts/ReadWritePart>
 #include <KPluginFactory>
 #include <KSharedConfig>
 
 #undef GrayScale
 
 // local includes
 #include "coordsconfigdialog.h"
 #include "kmplotio.h"
 #include "kprinterdlg.h"
 #include "view.h"
 
 class BrowserExtension;
 class Calculator;
 class FunctionEditor;
 class FunctionTools;
 class KConfigDialog;
 class KConstantEditor;
 class QAction;
 class KRecentFilesAction;
 class QTimer;
 
 class SettingsPageColor;
 class SettingsPageFonts;
 class SettingsPageGeneral;
 class SettingsPageDiagram;
 
 /**
  * @short This is the main window of KmPlot.
  */
 class MainDlg : public KParts::ReadWritePart
 {
     Q_OBJECT
 
 public:
     /** Constructor.
      * @param parentWidget parent widget for this part
      * @param parent parent object
      */
 #if QT_VERSION_MAJOR == 5
     MainDlg(QWidget *parentWidget, QObject *parent, const QVariantList & = QVariantList());
 #else
     MainDlg(QWidget *parentWidget, QObject *parent, const KPluginMetaData &data);
 #endif
 
     /// Initialized as a pointer to this MainDlg object on creation
     static MainDlg *self()
     {
         return m_self;
     }
 
     /// Cleaning up a bit.
     virtual ~MainDlg();
 
     /// Is set to true if a file from an old file format was loaded
     static bool oldfileversion;
 
     /// The function editor
     FunctionEditor *functionEditor() const
     {
         return m_functionEditor;
     }
 
     /// The coords config dialog
     CoordsConfigDialog *coordsDialog();
 
     /// Returns true if any changes are done
     bool isModified()
     {
         return m_modified;
     }
 
     bool queryClose() Q_DECL_OVERRIDE;
 
     /// For inserting the title in the function popup menu
     QAction *m_firstFunctionAction;
 
     /// Show the constants editor modal to a parent dialog
     void editConstantsModal(QWidget *parent);
 
     /// Check whether the url links to an existing file
     static bool fileExists(const QUrl &url);
 
 public Q_SLOTS:
     // DBus interface
     /// Asks the user and returns true if modified data shall be discarded.
     Q_SCRIPTABLE bool checkModified();
 
 public slots:
     /// Implement the coordinate system edit dialog
     void editAxes();
     /// Show the constants editor
     void editConstants();
     /// Toggle whether the sliders window is shown
     void toggleShowSliders();
     /// Revert to the previous document state (in m_undoStack).
     void undo();
     /// Revert to the next document state (in m_redoStack).
     void redo();
     /// Pushes the previous document state to the undo stack and records the current one
     void requestSaveCurrentState();
 
     /// Save a plot i.e. save the function name and all the settings for the plot
     void slotSave();
     /// Save a plot and choose a name for it
     void slotSaveas();
     /// Print the current plot
     void slotPrint();
     /// For calling print preview functionality
     void slotPrintPreview();
     /// Export the current plot as a png, svg or bmp picture
     void slotExport();
     /// Implement the Configure KmPlot dialog
     void slotSettings();
     /// Calls the common function names dialog.
     void slotNames();
     /// Resets the view
     void slotResetView();
     /// Tools menu
     void calculator();
     void findMinimumValue();
     void findMaximumValue();
     void graphArea();
 
 private:
     /// Settings the standard and non standard actions of the application.
     void setupActions();
     /// Sets the printer options and draw the plot with the current options.
     void setupPrinter(KPrinterDlg *printDialog, QPrinter *printer);
     /// Called when a file is opened. The filename is m_url
     bool openFile() Q_DECL_OVERRIDE;
 
     /// Called when a file is saved. The filename is m_url
     bool saveFile() Q_DECL_OVERRIDE;
 
     /// The Recent Files action
     KRecentFilesAction *m_recentFiles;
     /// true == modifications not saved
     bool m_modified;
     /// An instance of the application config file
     KSharedConfigPtr m_config;
     /// A Configure KmPlot dialog instance
     KConfigDialog *m_settingsDialog;
     /// The General page for the Configure KmPlot dialog
     SettingsPageGeneral *m_generalSettings;
     /// The Colors page for the Configure KmPlot constants
     SettingsPageColor *m_colorSettings;
     /// The Fonts page for the Configure KmPlot constants
     SettingsPageFonts *m_fontsSettings;
     /// The diagram config page
     SettingsPageDiagram *m_diagramSettings;
 
     /// A dialog used by many tools-menu-items
     FunctionTools *m_functionTools;
     /// The calculator dialog
     Calculator *m_calculator;
     /// the popup menu shown when cling with the right mouse button on a graph in the graph widget
     QMenu *m_popupmenu;
     /// the popup that shows when clicking on the new plot button in the function editor
     QMenu *m_newPlotMenu;
     /// Loads and saves the user's file.
     KmPlotIO *kmplotio;
     /// Set to true if the application is readonly
     bool m_readonly;
     /// MainDlg's parent widget
     QWidget *m_parent;
     /// Current file
     QUrl m_currentfile;
     /// The axes config dialogs
     CoordsConfigDialog *m_coordsDialog;
     /// The constants editor
     QPointer<KConstantEditor> m_constantEditor;
     /// The function editor
     FunctionEditor *m_functionEditor;
     /// The undo stack
     QStack<QDomDocument> m_undoStack;
     /// The reod stack
     QStack<QDomDocument> m_redoStack;
     /**
      * The current document state - this is pushed to the undo stack when a new
      * document state is created.
      */
     QDomDocument m_currentState;
     /// Timer to ensure saveCurrentState() is called only once for a set of simultaneous changes
     QTimer *m_saveCurrentStateTimer;
     /// The undo action
     QAction *m_undoAction;
     /// The redo action
     QAction *m_redoAction;
 
     /// A pointer to ourselves
     static MainDlg *m_self;
 
     /// Root value for copying into clipboard
     double m_rootValue;
 
 protected slots:
     /**
      * When you click on a File->Open Recent file, it'll open
      * @param url name of the url to open
      */
     void slotOpenRecent(const QUrl &url);
     /// @see requestSaveCurrentState
     void saveCurrentState();
     /// Used when opening a new file
     void resetUndoRedo();
 
     void setReadOnlyStatusBarText(const QString &);
 };
 
 #if QT_VERSION_MAJOR == 5
 class BrowserExtension : public KParts::BrowserExtension
 #else
 class BrowserExtension : public KParts::NavigationExtension
 #endif
 {
     Q_OBJECT
 public:
     explicit BrowserExtension(MainDlg *);
 
 public slots:
     // Automatically detected by the host.
     void print();
 };
 
 #endif // MainDlg_included