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//-*-C++-*-
/*
**************************************************************************
description
--------------------
copyright : (C) 2000-2003 by Andreas Zehender
email : zehender@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. *
* *
**************************************************************************/
#ifndef PMSETTINGSDIALOG_H
#define PMSETTINGSDIALOG_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <kdialogbase.h>
#include <qvaluelist.h>
#include <qvaluevector.h>
class QFrame;
class QCheckBox;
class QLineEdit;
class QListBox;
class QListView;
class QButtonGroup;
class QComboBox;
class KColorButton;
class KConfig;
class PMIntEdit;
class PMFloatEdit;
class PMPart;
class PMViewLayout;
class PMViewLayoutEntry;
/**
* Base class for configuration dialog pages.
*
* All base classes have to implement the pure virtual
* methods @ref displaySettings, @ref displayDefaults, @ref validateData
* and @ref applySettings
*/
class PMSettingsDialogPage : public QWidget
{
Q_OBJECT
public:
/**
* Constructor
*/
PMSettingsDialogPage( QWidget* parent, const char* name = 0 );
/**
* Display the settings here.
*
* Base classes have to implement this method.
*/
virtual void displaySettings( ) = 0;
/**
* Validate the changed data here and return true
* if the data is valid. Display an error message
* and return false otherwise.
*
* Base classes have to implement this method.
*/
virtual bool validateData( ) = 0;
/**
* Make the changes permanent here.
*
* Base classes have to implement this method.
*/
virtual void applySettings( ) = 0;
/**
* Display the default values.
*
* Base classes have to implement this method.
*/
virtual void displayDefaults( ) = 0;
signals:
/**
* Emit this signal if a parameter was changed
* that influences the wire frame rendering.
*/
void repaintViews( );
/**
* Tells the settings dialog to show this page.
*/
void showMe( );
};
/**
* Helper class, used internally by @ref PMSettingsDialog
*/
class PMRegisteredSettingsPage
{
public:
PMRegisteredSettingsPage( )
{
topPage = 0;
page = 0;
index = 0;
}
PMRegisteredSettingsPage( QWidget* top, PMSettingsDialogPage* p,
int i )
{
topPage = top;
page = p;
index = i;
}
QWidget* topPage;
PMSettingsDialogPage* page;
int index;
};
/**
* Configuration dialog
*/
class PMSettingsDialog : public KDialogBase
{
Q_OBJECT
public:
/**
* Standard constructor
*/
PMSettingsDialog( PMPart* part, QWidget* parent = 0, const char* name = 0 );
/**
* Registers a new settings page.
*
* @param topPage The page created with addVBoxPage
* @param page The internal settings page
*/
void registerPage( QWidget* topPage, PMSettingsDialogPage* page );
static void saveConfig( KConfig* cfg );
static void restoreConfig( KConfig* cfg );
protected:
virtual void resizeEvent( QResizeEvent* ev );
protected slots:
/**
* Validates the data and makes the changes permanent.
*/
virtual void slotApply( );
/**
* Validates the data, makes the changes permanent and closes the dialog.
*/
virtual void slotOk( );
/**
* Displays the default values.
*/
virtual void slotDefault( );
/**
* Closes the dialog without saving the data.
*/
virtual void slotCancel( );
/**
* Repaints the opengl views
*/
void slotRepaint( );
/**
* Shows the sender page
*/
void slotShowPage( );
private:
void displaySettings( );
bool validateData( );
void saveSettings( );
int findPage( const PMSettingsDialogPage* page );
bool m_repaint;
QValueList<PMRegisteredSettingsPage> m_pages;
PMPart* m_pPart;
static QSize s_size;
};
#endif
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