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/*
* This file is part of the KDE libraries
* Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be>
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License version 2 as published by the Free Software Foundation.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
**/
#ifndef KPRINTDIALOGPAGE_H
#define KPRINTDIALOGPAGE_H
#include <tqwidget.h>
#include <tqmap.h>
#include <kdelibs_export.h>
class KMPrinter;
class DrMain;
/**
* This class is intended to be used as base class for customized print dialog page. One of
* the feature of the KDE print framework is to allow to customize the print dialog to
* add some application specific print options. This is done by subclassing KPrintDialogPage
* and reimplementing the 3 virtual functions getOptions, setOptions and
* isValid(). The print options will be stored in the KPrinter object, and will be
* accessible via KPrinter::option(). The option name should follow the form
* "kde-appname-optionname" for internal reasons.
*
* \code
* #include <kdeprint/kprintdialogpage.h>
*
* class MyDialogPage : public KPrintDialogPage
* {
* public:
* MyDialogPage( TQWidget *parent = 0, const char *name = 0 );
*
* //reimplement virtual functions
* void getOptions( TQMap<TQString,TQString>& opts, bool incldef = false );
* void setOptions( const TQMap<TQString,TQString>& opts );
* bool isValid( TQString& msg );
*
* private:
* TQComboBox *m_fontcombo;
* };
*
* MyDialogPage::MyDialogPage( TQWidget *parent, const char *name )
* : KPrintDialogPage( parent, name )
* {
* setTitle( i18n( "My Page" ) );
* }
*
* void MyDialogPage::getOptions( TQMap<TQString,TQString>& opts, bool incldef )
* {
* if ( incldef || m_fontcombo->currentText() != mydefaultvalue )
* opts[ "kde-myapp-fontname" ] = m_fontcombo->currentText();
* }
*
* void MyDialogPage::setOptions( const TQMap<TQString,TQString>& opts )
* {
* TQString fntname = opts[ "kde-myapp-fontname" ];
* m_fontcombo->setEditText( fntname );
* }
*
* bool MyDialogPage::isValid( TQString& msg)
* {
* if ( m_fontcombo->currentText().isEmpty() )
* {
* msg = i18n( "Font name cannot be empty." );
* return false;
* }
* return true;
* }
* \endcode
*
* @short Base class for customized print dialog pages.
* @see KPrinter
*/
class KDEPRINT_EXPORT KPrintDialogPage : public QWidget
{
Q_OBJECT
public:
/**
* Standard constructor.
*/
KPrintDialogPage(TQWidget *parent = 0, const char *name = 0);
/**
* Modified constructor. For internal use only.
*/
KPrintDialogPage(KMPrinter *pr, DrMain *dr = 0, TQWidget *parent = 0, const char *name = 0);
/**
* Destructor
*/
virtual ~KPrintDialogPage();
/**
* This function is called to fill the structure @p opts with the selected options from this dialog
* page. If @p incldef is true, include also options with default values, otherwise discard them.
* Reimplement this function in subclasses.
* @param opts the option set to fill
* @param incldef if true, include also options with default values
* @see setOptions()
*/
virtual void getOptions(TQMap<TQString,TQString>& opts, bool incldef = false);
/**
* This function is called to update the current page with the options contained in @p opts.
* Reimplement it in subclasses.
* @param opts the structure containing the options to update the page
*/
virtual void setOptions(const TQMap<TQString,TQString>& opts);
/**
* Returns true if options selected in the page are valid (no conflict), false otherwise.
* When returning false, @p msg should contain an error message explaining what is wrong
* in the selected options.
* @param msg should contain an error message when returning false
* @returns valid status
*/
virtual bool isValid(TQString& msg);
/**
* Get the ID of the page. Not used yet.
* @returns the page ID
* @see setId()
*/
int id() const { return m_ID; }
/**
* Set the ID of the page. Not used yet.
* @param ID the ID number
* @see id()
*/
void setId(int ID) { m_ID = ID; }
/**
* Get the page title.
* @returns the page title
* @see setTitle()
*/
QString title() const { return m_title; }
/**
* Set the page title. This title will be used as tab name for this page in the print
* dialog.
* @param txt the page title
* @see title()
*/
void setTitle(const TQString& txt) { m_title = txt; }
/**
* Tell wether or not the page should be disable if a non real printer (special
* printer) is selected in the print dialog. Returns false by default. Application
* specific pages usually corresponds to printer-independent options, so the
* page should be kept enabled whatever the selected printer. The default value
* is then correct and your application doesn't to change anything.
* @returns true if the page should be disabled for non real printers
* @see setOnlyRealPrinters()
*/
bool onlyRealPrinters() const { return m_onlyreal; }
/**
* Change the page state when a non real printer is selected in the print dialog.
* Usually, the default value (false) is OK in most cases and you don't need to
* call this function explicitly.
* @param on if true, then the page will be disabled if a non real printer is selected
* @see onlyRealPrinters()
*/
void setOnlyRealPrinters(bool on = true) { m_onlyreal = on; }
/**
* For internal use only.
*/
DrMain* driver() { return m_driver; }
/**
* For internal use only
*/
KMPrinter* printer() { return m_printer; }
protected:
KMPrinter *m_printer;
DrMain *m_driver;
int m_ID;
QString m_title;
bool m_onlyreal;
};
#endif
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