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tdebase/kcontrol/konq/desktop.cpp

247 lines
7.7 KiB

// -*- c-basic-offset: 2 -*-
/**
* Copyright (c) 2000 Matthias Elter <elter@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 <tqlabel.h>
#include <tqgroupbox.h>
#include <tqlayout.h>
#include <tqwhatsthis.h>
#include <tqcheckbox.h>
#include <tqslider.h>
#include <kapplication.h>
#include <kglobal.h>
#include <dcopclient.h>
#include <klocale.h>
#include <kdialog.h>
#include <klineedit.h>
#include <knuminput.h>
#include <kconfig.h>
#include <netwm.h>
#include "desktop.h"
#include "desktop.moc"
extern "C"
{
KDE_EXPORT KCModule *create_virtualdesktops(TQWidget *parent, const char * /*name*/)
{
return new KDesktopConfig(parent, "kcmkonq");
}
}
// I'm using lineedits by intention as it makes sence to be able
// to see all desktop names at the same time. It also makes sense to
// be able to TAB through those line edits fast. So don't send me mails
// asking why I did not implement a more intelligent/smaller GUI.
KDesktopConfig::KDesktopConfig(TQWidget *parent, const char * /*name*/)
: KCModule(parent, "kcmkonq")
{
setQuickHelp( i18n("<h1>Multiple Desktops</h1>In this module, you can configure how many virtual desktops you want and how these should be labeled."));
Q_ASSERT(maxDesktops % 2 == 0);
TQVBoxLayout *layout = new TQVBoxLayout(this, 0, KDialog::spacingHint());
// number group
TQGroupBox *number_group = new TQGroupBox(this);
TQHBoxLayout *lay = new TQHBoxLayout(number_group,
KDialog::marginHint(),
KDialog::spacingHint());
TQLabel *label = new TQLabel(i18n("N&umber of desktops: "), number_group);
_numInput = new KIntNumInput(4, number_group);
_numInput->setRange(1, maxDesktops, 1, true);
connect(_numInput, TQT_SIGNAL(valueChanged(int)), TQT_SLOT(slotValueChanged(int)));
connect(_numInput, TQT_SIGNAL(valueChanged(int)), TQT_SLOT( changed() ));
label->setBuddy( _numInput );
TQString wtstr = i18n( "Here you can set how many virtual desktops you want on your KDE desktop. Move the slider to change the value." );
TQWhatsThis::add( label, wtstr );
TQWhatsThis::add( _numInput, wtstr );
lay->addWidget(label);
lay->addWidget(_numInput);
lay->setStretchFactor( _numInput, 2 );
layout->addWidget(number_group);
// name group
TQGroupBox *name_group = new TQGroupBox(i18n("Desktop &Names"), this);
name_group->setColumnLayout(4, Qt::Horizontal);
for(int i = 0; i < (maxDesktops/2); i++)
{
_nameLabel[i] = new TQLabel(i18n("Desktop %1:").arg(i+1), name_group);
_nameInput[i] = new KLineEdit(name_group);
_nameLabel[i+(maxDesktops/2)] = new TQLabel(i18n("Desktop %1:").arg(i+(maxDesktops/2)+1), name_group);
_nameInput[i+(maxDesktops/2)] = new KLineEdit(name_group);
TQWhatsThis::add( _nameLabel[i], i18n( "Here you can enter the name for desktop %1" ).arg( i+1 ) );
TQWhatsThis::add( _nameInput[i], i18n( "Here you can enter the name for desktop %1" ).arg( i+1 ) );
TQWhatsThis::add( _nameLabel[i+(maxDesktops/2)], i18n( "Here you can enter the name for desktop %1" ).arg( i+(maxDesktops/2)+1 ) );
TQWhatsThis::add( _nameInput[i+(maxDesktops/2)], i18n( "Here you can enter the name for desktop %1" ).arg( i+(maxDesktops/2)+1 ) );
connect(_nameInput[i], TQT_SIGNAL(textChanged(const TQString&)),
TQT_SLOT( changed() ));
connect(_nameInput[i+(maxDesktops/2)], TQT_SIGNAL(textChanged(const TQString&)),
TQT_SLOT( changed() ));
}
for(int i = 1; i < maxDesktops; i++)
setTabOrder( _nameInput[i-1], _nameInput[i] );
layout->addWidget(name_group);
_wheelOption = new TQCheckBox(i18n("Mouse wheel over desktop background switches desktop"), this);
connect(_wheelOption,TQT_SIGNAL(toggled(bool)), TQT_SLOT( changed() ));
layout->addWidget(_wheelOption);
layout->addStretch(1);
load();
}
void KDesktopConfig::load()
{
load( false );
}
void KDesktopConfig::load( bool useDefaults )
{
// get number of desktops
NETRootInfo info( qt_xdisplay(), NET::NumberOfDesktops | NET::DesktopNames );
int n = info.numberOfDesktops();
int konq_screen_number = 0;
if (qt_xdisplay())
konq_screen_number = DefaultScreen(qt_xdisplay());
TQCString groupname;
if (konq_screen_number == 0)
groupname = "Desktops";
else
groupname.sprintf("Desktops-screen-%d", konq_screen_number);
KConfig * twinconfig = new KConfig("twinrc");
twinconfig->setReadDefaults( useDefaults );
twinconfig->setGroup("Desktops");
for(int i = 1; i <= maxDesktops; i++)
{
TQString key_name(TQString("Name_") + TQString::number(i));
TQString name = TQString::fromUtf8(info.desktopName(i));
if (name.isEmpty()) // Get name from configuration if none is set in the WM.
{
name = twinconfig->readEntry(key_name, i18n("Desktop %1").arg(i));
}
_nameInput[i-1]->setText(name);
// Is this entry immutable or not in the range of configured desktops?
_labelImmutable[i - 1] = twinconfig->entryIsImmutable(key_name);
_nameInput[i-1]->setEnabled(i <= n && !_labelImmutable[i - 1]);
}
_numInput->setEnabled(!twinconfig->entryIsImmutable("Number"));
delete twinconfig;
twinconfig = 0;
TQString configfile;
if (konq_screen_number == 0)
configfile = "kdesktoprc";
else
configfile.sprintf("kdesktop-screen-%drc", konq_screen_number);
KConfig *config = new KConfig(configfile, false, false);
config->setReadDefaults( useDefaults );
config->setGroup("Mouse Buttons");
_wheelOption->setChecked(config->readBoolEntry("WheelSwitchesWorkspace",false));
_wheelOptionImmutable = config->entryIsImmutable("WheelSwitchesWorkspace");
if (_wheelOptionImmutable || n<2)
_wheelOption->setEnabled( false );
delete config;
config = 0;
_numInput->setValue(n);
emit changed( useDefaults );
}
void KDesktopConfig::save()
{
NETRootInfo info( qt_xdisplay(), NET::NumberOfDesktops | NET::DesktopNames );
// set desktop names
for(int i = 1; i <= maxDesktops; i++)
{
info.setDesktopName(i, (_nameInput[i-1]->text()).utf8());
info.activate();
}
// set number of desktops
info.setNumberOfDesktops(_numInput->value());
info.activate();
XSync(qt_xdisplay(), FALSE);
int konq_screen_number = 0;
if (qt_xdisplay())
konq_screen_number = DefaultScreen(qt_xdisplay());
TQCString appname;
if (konq_screen_number == 0)
appname = "kdesktop";
else
appname.sprintf("kdesktop-screen-%d", konq_screen_number);
KConfig *config = new KConfig(appname + "rc");
config->setGroup("Mouse Buttons");
config->writeEntry("WheelSwitchesWorkspace", _wheelOption->isChecked());
delete config;
// Tell kdesktop about the new config file
if ( !kapp->dcopClient()->isAttached() )
kapp->dcopClient()->attach();
TQByteArray data;
kapp->dcopClient()->send( appname, "KDesktopIface", "configure()", data );
emit changed(false);
}
void KDesktopConfig::defaults()
{
load( true );
}
void KDesktopConfig::slotValueChanged(int n)
{
for(int i = 0; i < maxDesktops; i++)
{ _nameInput[i]->setEnabled(i < n && !_labelImmutable[i]); }
if (!_wheelOptionImmutable)
{ _wheelOption->setEnabled(n>1); }
emit changed(true);
}