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/*
* Copyright (c) 2003 Lubos Lunak <l.lunak@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.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "konqueror.h"
#include <dcopref.h>
#include <tdeconfig.h>
#include <tqwhatsthis.h>
#include <tqradiobutton.h>
#include <tqspinbox.h>
#include <tqlabel.h>
#include <tqcheckbox.h>
#include <tdelocale.h>
namespace KCMPerformance
{
Konqueror::Konqueror( TQWidget* parent_P )
: Konqueror_ui( parent_P )
{
TQWhatsThis::add( rb_never_reuse,
i18n( "Disables the minimization of memory usage and allows you "
"to make each browsing activity independent from the others" ));
TQWhatsThis::add( rb_file_browsing_reuse,
i18n( "With this option activated, only one instance of Konqueror "
"used for file browsing will exist in the memory of your computer "
"at any moment, "
"no matter how many file browsing windows you open, "
"thus reducing resource requirements."
"<p>Be aware that this also means that, if something goes wrong, "
"all your file browsing windows will be closed simultaneously" ));
TQWhatsThis::add( rb_always_reuse,
i18n( "With this option activated, only one instance of Konqueror "
"will exist in the memory of your computer at any moment, "
"no matter how many browsing windows you open, "
"thus reducing resource requirements."
"<p>Be aware that this also means that, if something goes wrong, "
"all your browsing windows will be closed simultaneously." ));
connect( rb_never_reuse, TQT_SIGNAL( clicked()), TQT_SIGNAL( changed()));
connect( rb_file_browsing_reuse, TQT_SIGNAL( clicked()), TQT_SIGNAL( changed()));
connect( rb_always_reuse, TQT_SIGNAL( clicked()), TQT_SIGNAL( changed()));
rb_file_browsing_reuse->setChecked( true );
TQString tmp =
i18n( "If non-zero, this option allows keeping Konqueror instances "
"in memory after all their windows have been closed, up to the "
"number specified in this option."
"<p>When a new Konqueror instance is needed, one of these preloaded "
"instances will be reused instead, improving responsiveness at "
"the expense of the memory required by the preloaded instances." );
TQWhatsThis::add( sb_preload_count, tmp );
TQWhatsThis::add( lb_preload_count, tmp );
TQWhatsThis::add( cb_preload_on_startup,
i18n( "If enabled, an instance of Konqueror will be preloaded after the ordinary TDE "
"startup sequence."
"<p>This will make the first Konqueror window open faster, but "
"at the expense of longer TDE startup times (but you will be able to work "
"while it is loading, so you may not even notice that it is taking longer)." ));
TQWhatsThis::add( cb_always_have_preloaded,
i18n( "If enabled, TDE will always try to have one preloaded Konqueror instance ready; "
"preloading a new instance in the background whenever there is not one available, "
"so that windows will always open quickly."
"<p><b>Warning:</b> In some cases, it is actually possible that this will "
"reduce perceived performance." ));
connect( sb_preload_count, TQT_SIGNAL( valueChanged( int )), TQT_SLOT( preload_count_changed( int )));
connect( sb_preload_count, TQT_SIGNAL( valueChanged( int )), TQT_SIGNAL( changed()));
connect( cb_preload_on_startup, TQT_SIGNAL( clicked()), TQT_SIGNAL( changed()));
connect( cb_always_have_preloaded, TQT_SIGNAL( clicked()), TQT_SIGNAL( changed()));
defaults();
}
void Konqueror::preload_count_changed( int count )
{
cb_preload_on_startup->setEnabled( count >= 1 );
// forcing preloading with count == 1 can often do more harm than good, because
// if there's one konqy preloaded, and the user requests "starting" new konqueror,
// the preloaded instance will be used, new one will be preloaded, and if the user soon
// "quits" konqueror, one of the instances will have to be terminated
cb_always_have_preloaded->setEnabled( count >= 2 );
}
void Konqueror::load( bool useDefaults )
{
TDEConfig cfg( "konquerorrc", true );
cfg.setReadDefaults( useDefaults );
cfg.setGroup( "Reusing" );
allowed_parts = cfg.readEntry( "SafeParts", "SAFE" );
if( allowed_parts == "ALL" )
rb_always_reuse->setChecked( true );
else if( allowed_parts.isEmpty())
rb_never_reuse->setChecked( true );
else
rb_file_browsing_reuse->setChecked( true );
sb_preload_count->setValue( cfg.readNumEntry( "MaxPreloadCount", 1 ));
cb_always_have_preloaded->setChecked( cfg.readBoolEntry( "AlwaysHavePreloaded", false ));
cb_preload_on_startup->setChecked( cfg.readBoolEntry( "PreloadOnStartup", false ));
}
void Konqueror::save()
{
TDEConfig cfg( "konquerorrc" );
cfg.setGroup( "Reusing" );
if( rb_always_reuse->isChecked())
allowed_parts = "ALL";
else if( rb_never_reuse->isChecked())
allowed_parts = "";
else
{
if( allowed_parts.isEmpty() || allowed_parts == "ALL" )
allowed_parts = "SAFE";
// else - keep allowed_parts as read from the file, as the user may have modified the list there
}
cfg.writeEntry( "SafeParts", allowed_parts );
int count = sb_preload_count->value();
cfg.writeEntry( "MaxPreloadCount", count );
cfg.writeEntry( "PreloadOnStartup", cb_preload_on_startup->isChecked() && count >= 1 );
cfg.writeEntry( "AlwaysHavePreloaded", cb_always_have_preloaded->isChecked() && count >= 2 );
cfg.sync();
DCOPRef ref1( "konqueror*", "KonquerorIface" );
ref1.send( "reparseConfiguration()" );
DCOPRef ref2( "kded", "konqy_preloader" );
ref2.send( "reconfigure()" );
}
void Konqueror::defaults()
{
load( true );
}
} // namespace
#include "konqueror.moc"
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