kwin/clients/kde2/config/config.cpp

/*********************************************************************
 
 	KDE2 Default configuration widget
 
 	Copyright (c) 2001
 		Karol Szwed <gallium@kde.org>
 		http://gallium.n3.net/

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, see <http://www.gnu.org/licenses/>.
*********************************************************************/

#include "config.h"

#include <QWhatsThis>
#include <QPixmap>

#include <kglobal.h>
#include <kdialog.h>
#include <klocale.h>
#include <kvbox.h>

extern "C"
{
	KDE_EXPORT QObject* allocate_config( KConfig* conf, QWidget* parent )
	{
		return(new KDE2Config(conf, parent));
	}
}

// NOTE:
// 'conf' is a pointer to the kwindecoration modules open kwin config,
//		  and is by default set to the "Style" group.
// 'parent' is the parent of the QObject, which is a VBox inside the
//		  Configure tab in kwindecoration

KDE2Config::KDE2Config( KConfig* conf, QWidget* parent )
	: QObject( parent ), c(conf)
{
	KGlobal::locale()->insertCatalog("kwin_clients");
	highcolor = QPixmap::defaultDepth() > 8;
	gb = new KVBox( parent );
	gb->setSpacing( KDialog::spacingHint() );

	cbShowStipple = new QCheckBox( i18n("Draw titlebar &stipple effect"), gb );
	cbShowStipple->setWhatsThis(
		i18n("When selected, active titlebars are drawn "
		 "with a stipple (dotted) effect; otherwise, they are "
		 "drawn without the stipple."));

	cbShowGrabBar = new QCheckBox( i18n("Draw g&rab bar below windows"), gb );
	cbShowGrabBar->setWhatsThis(
		i18n("When selected, decorations are drawn with a \"grab bar\" "
		"below windows; otherwise, no grab bar is drawn."));

	// Only show the gradient checkbox for highcolor displays
	if (highcolor)
	{
		cbUseGradients = new QCheckBox( i18n("Draw &gradients"), gb );
		cbUseGradients->setWhatsThis(
			i18n("When selected, decorations are drawn with gradients "
			"for high-color displays; otherwise, no gradients are drawn.") );
	}

	// Load configuration options
	c = new KConfig("kwinKDE2rc");
	KConfigGroup cg(c, "General");
	load( cg );

	// Ensure we track user changes properly
	connect( cbShowStipple, SIGNAL(clicked()), 
			 this, SLOT(slotSelectionChanged()) );
	connect( cbShowGrabBar, SIGNAL(clicked()), 
			 this, SLOT(slotSelectionChanged()) );
	if (highcolor)
		connect( cbUseGradients, SIGNAL(clicked()), 
				 this, SLOT(slotSelectionChanged()) );

	// Make the widgets visible in kwindecoration
	gb->show();
}


KDE2Config::~KDE2Config()
{
	delete gb;
}


void KDE2Config::slotSelectionChanged()
{
	emit changed();
}


// Loads the configurable options from the kwinrc config file
// It is passed the open config from kwindecoration to improve efficiency
void KDE2Config::load( const KConfigGroup&  )
{
	KConfigGroup cg(c, "KDE2");
	bool override = cg.readEntry( "ShowTitleBarStipple", true);
	cbShowStipple->setChecked( override );

	override = cg.readEntry( "ShowGrabBar", true);
	cbShowGrabBar->setChecked( override );

	if (highcolor) {
		override = cg.readEntry( "UseGradients", true);
		cbUseGradients->setChecked( override );
	}
}


// Saves the configurable options to the kwinrc config file
void KDE2Config::save( KConfigGroup&  )
{
	KConfigGroup cg(c, "KDE2");
	cg.writeEntry( "ShowTitleBarStipple", cbShowStipple->isChecked() );
	cg.writeEntry( "ShowGrabBar", cbShowGrabBar->isChecked() );

	if (highcolor)
		cg.writeEntry( "UseGradients", cbUseGradients->isChecked() );
	// No need to conf->sync() - kwindecoration will do it for us
}


// Sets UI widget defaults which must correspond to style defaults
void KDE2Config::defaults()
{
	cbShowStipple->setChecked( true );
	cbShowGrabBar->setChecked( true );

	if (highcolor)
		cbUseGradients->setChecked( true );
}

#include "config.moc"
// vim: ts=4
// kate: space-indent off; tab-width 4;