Added KDE3 version of kde-systemsettings

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/kde-systemsettings@1089234 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 431 insertions, 0 deletions

diff --git a/systemsettings/kcmultiwidget.cpp b/systemsettings/kcmultiwidget.cpp
new file mode 100644
index 0000000..5f4ce09
--- /dev/null
+++ b/systemsettings/kcmultiwidget.cpp
@@ -0,0 +1,431 @@
+/*
+   Copyright (c) 2000 Matthias Elter <[email protected]>
+   Copyright (c) 2003 Daniel Molkentin <[email protected]>
+   Copyright (c) 2003 Matthias Kretz <[email protected]>
+   Copyright (c) 2004 Frans Englich <frans.erglich.com>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   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 Steet, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+
+*/
+
+#include <qcursor.h>
+#include <qhbox.h>
+#include <qlayout.h>
+#include <qpushbutton.h>
+
+#include <kaboutdata.h>
+#include <kapplication.h>
+#include <kdebug.h>
+#include <kiconloader.h>
+#include <klibloader.h>
+#include <klocale.h>
+#include <kmessagebox.h>
+#include <kprocess.h>
+#include <krun.h>
+#include <kstdguiitem.h>
+#include <kuser.h>
+
+#include "kcmoduleloader.h"
+#include "kcmoduleproxy.h"
+#include "kcmultiwidget.h"
+
+/*
+Button usage:
+
+    User1 => Reset
+    User2 => Close
+    User3 => Admin
+*/
+
+class KCMultiWidget::KCMultiWidgetPrivate
+{
+	public:
+		KCMultiWidgetPrivate()
+			: hasRootKCM( false ), currentModule( 0 )
+		{}
+
+		bool hasRootKCM;
+		KCModuleProxy* currentModule;
+};
+
+ 
+KCMultiWidget::KCMultiWidget(QWidget *parent, const char *name, bool modal)
+	: KDialogBase(IconList, i18n("Configure"), Help | Default |Cancel | Apply |
+			Ok | User1 | User2 | User3, Ok, parent, name, modal, true,
+			KStdGuiItem::reset(), KStdGuiItem::close(), KStdGuiItem::adminMode())
+	, dialogface( IconList ), d( new KCMultiWidgetPrivate )
+{
+	init();
+}
+
+KCMultiWidget::KCMultiWidget( int dialogFace, QWidget * parent, const char * name, bool modal )
+	: KDialogBase( dialogFace, "Caption", Help | Default | Cancel | Apply | Ok |
+			User1 | User2 | User3, Ok, parent, name, modal, true,
+			KStdGuiItem::reset(), KStdGuiItem::close(), KStdGuiItem::adminMode())
+	, dialogface( dialogFace ), d( new KCMultiWidgetPrivate )
+{
+	init();
+}
+
+inline void KCMultiWidget::init()
+{
+	connect( this, SIGNAL( finished()), SLOT( dialogClosed()));
+	showButton( Ok, false );
+	showButton( Cancel, false );
+	showButton( User1, true );     // Reset button
+	showButton( User2, true );    // Close button.
+	showButton( User3, true);      // Admin button.
+
+	enableButton(Apply, false);
+	enableButton(User1, false);
+
+	connect(this, SIGNAL(aboutToShowPage(QWidget *)), this, SLOT(slotAboutToShow(QWidget *)));
+	setInitialSize(QSize(640,480));
+	moduleParentComponents.setAutoDelete( true );
+}
+#include <kmessagebox.h>
+
+KCMultiWidget::~KCMultiWidget()
+{
+	OrphanMap::Iterator end2 = m_orphanModules.end();
+	for( OrphanMap::Iterator it = m_orphanModules.begin(); it != end2; ++it )
+		delete ( *it );
+}
+
+void KCMultiWidget::slotDefault()
+{
+	int curPageIndex = activePageIndex();
+
+	ModuleList::Iterator end = m_modules.end();
+	for( ModuleList::Iterator it = m_modules.begin(); it != end; ++it )
+		if( pageIndex( ( QWidget * )( *it ).kcm->parent() ) == curPageIndex )
+		{
+		  ( *it ).kcm->defaults();
+		  clientChanged( true );
+		  return;
+		}
+}
+
+// Reset button.
+void KCMultiWidget::slotUser1()
+{
+	int curPageIndex = activePageIndex();
+
+	ModuleList::Iterator end = m_modules.end();
+	for( ModuleList::Iterator it = m_modules.begin(); it != end; ++it )
+		if( pageIndex( ( QWidget * )( *it ).kcm->parent() ) == curPageIndex )
+		{
+			( *it ).kcm->load();
+			clientChanged( false );
+			return;
+		}
+}
+
+void KCMultiWidget::apply()
+{
+	QStringList updatedModules;
+	ModuleList::Iterator end = m_modules.end();
+	for( ModuleList::Iterator it = m_modules.begin(); it != end; ++it )
+	{
+		KCModuleProxy * m = ( *it ).kcm;
+		if( m && m->changed() )
+		{
+			m->save();
+			QStringList * names = moduleParentComponents[ m ];
+			kdDebug() << k_funcinfo << *names << " saved and added to the list" << endl;
+			for( QStringList::ConstIterator it = names->begin(); it != names->end(); ++it )
+				if( updatedModules.find( *it ) == updatedModules.end() )
+					updatedModules.append( *it );
+		}
+	}
+	for( QStringList::const_iterator it = updatedModules.begin(); it != updatedModules.end(); ++it )
+	{
+		kdDebug() << k_funcinfo << *it << " " << ( *it ).latin1() << endl;
+		emit configCommitted( ( *it ).latin1() );
+	}
+	emit configCommitted();
+}
+
+void KCMultiWidget::slotApply()
+{
+	QPushButton *button = actionButton(Apply);
+	if (button)
+		button->setFocus();
+	emit applyClicked();
+	apply();
+}
+
+
+void KCMultiWidget::slotOk()
+{
+	QPushButton *button = actionButton(Ok);
+	if (button)
+		button->setFocus();
+	emit okClicked();
+	apply();
+	accept();
+}
+
+void KCMultiWidget::slotHelp()
+{
+	QString docPath;
+
+	int curPageIndex = activePageIndex();
+	ModuleList::Iterator end = m_modules.end();
+	for( ModuleList::Iterator it = m_modules.begin(); it != end; ++it )
+		if( pageIndex( ( QWidget * )( *it ).kcm->parent() ) == curPageIndex )
+		{
+			docPath = ( *it ).kcm->moduleInfo().docPath();
+			break;
+		}
+
+	KURL url( KURL("help:/"), docPath );
+
+	if (url.protocol() == "help" || url.protocol() == "man" || url.protocol() == "info") {
+		KProcess process;
+		process << "khelpcenter"
+				<< url.url();
+		process.start(KProcess::DontCare);
+		process.detach();
+	} else {
+		new KRun(url);
+	}
+}
+
+// Close button
+void KCMultiWidget::slotUser2() {
+    emit close();
+}
+
+void KCMultiWidget::clientChanged(bool state)
+{
+	kdDebug( 710 ) << k_funcinfo << state << endl;
+	ModuleList::Iterator end = m_modules.end();
+	for( ModuleList::Iterator it = m_modules.begin(); it != end; ++it )
+		if( ( *it ).kcm->changed() ) {
+			enableButton( Apply, true );
+                        enableButton( User1, true);
+			return;
+		}
+	enableButton( Apply, false );
+        enableButton( User1, false);
+}
+
+void KCMultiWidget::addModule(const QString& path, bool withfallback)
+{
+	QString complete = path;
+
+	if( !path.endsWith( ".desktop" ))
+		complete += ".desktop";
+
+	KService::Ptr service = KService::serviceByStorageId( complete );
+
+	addModule( KCModuleInfo( service ), QStringList(), withfallback);
+}
+
+void KCMultiWidget::addModule(const KCModuleInfo& moduleinfo,
+		QStringList parentmodulenames, bool withfallback)
+{
+	if( !moduleinfo.service() )
+		return;
+
+	if ( !kapp->authorizeControlModule( moduleinfo.service()->menuId() ))
+			return;
+
+	if( !KCModuleLoader::testModule( moduleinfo ))
+			return;
+
+	QFrame* page = 0;
+	if (!moduleinfo.service()->noDisplay())
+		switch( dialogface )
+		{
+			case TreeList:
+				parentmodulenames += moduleinfo.moduleName();
+				page = addHBoxPage( parentmodulenames, moduleinfo.comment(),
+						SmallIcon( moduleinfo.icon(),
+							IconSize( KIcon::Small ) ) );
+				break;
+			case Tabbed:
+			case IconList:
+				page = addHBoxPage( moduleinfo.moduleName(),
+						moduleinfo.comment(), DesktopIcon( moduleinfo.icon(),
+							KIcon::SizeMedium ) );
+				break;
+			case Plain:
+				page = plainPage();
+				( new QHBoxLayout( page ) )->setAutoAdd( true );
+				break;
+			default:
+				kdError( 710 ) << "unsupported dialog face for KCMultiWidget"
+					<< endl;
+				break;
+		}
+	if(!page) {
+		KCModuleLoader::unloadModule(moduleinfo);
+		return;
+	}
+	KCModuleProxy * module;
+	if( m_orphanModules.contains( moduleinfo.service() ) )
+	{
+		// the KCModule already exists - it was removed from the dialog in
+		// removeAllModules
+		module = m_orphanModules[ moduleinfo.service() ];
+		m_orphanModules.remove( moduleinfo.service() );
+		kdDebug( 710 ) << "Use KCModule from the list of orphans for " <<
+			moduleinfo.moduleName() << ": " << module << endl;
+
+		module->reparent( page, 0, QPoint( 0, 0 ), true );
+
+		if( module->changed() )
+			clientChanged( true );
+
+		if( activePageIndex() == -1 ) {
+			showPage( pageIndex( page ) );
+		}
+	}
+	else
+	{
+		module = new KCModuleProxy( moduleinfo, withfallback, page );
+
+		QStringList parentComponents = moduleinfo.service()->property(
+				"X-KDE-ParentComponents" ).toStringList();
+		moduleParentComponents.insert( module,
+				new QStringList( parentComponents ) );
+
+		connect(module, SIGNAL(changed(bool)), this, SLOT(clientChanged(bool)));
+
+	}
+
+	CreatedModule cm;
+	cm.kcm = module;
+	cm.service = moduleinfo.service();
+	cm.adminmode = false;
+	cm.buttons = module->buttons();
+	if ( moduleinfo.needsRootPrivileges() &&
+			!KUser().isSuperUser() ) {/* If we're embedded, it's true */
+		d->hasRootKCM = true;
+		cm.adminmode = true;
+		m_modules.append( cm );
+		if( dialogface==Plain ) {
+			slotAboutToShow( page ); // Won't be called otherwise, necessary for adminMode button
+               }
+	} else {
+		m_modules.append( cm );
+	}
+
+	if( m_modules.count() == 1 ) {
+		slotAboutToShow( page );
+	}
+}
+
+KCModuleProxy * KCMultiWidget::currentModule() {
+	if(d) {
+		return d->currentModule;
+	}
+	return NULL;
+}
+
+void KCMultiWidget::applyOrRevert(KCModuleProxy * module){
+	if( !module || !module->changed() )
+		return;
+	
+	int res = KMessageBox::warningYesNo(this,
+				i18n("There are unsaved changes in the active module.\n"
+    			 "Do you want to apply the changes or discard them?"),
+                                          i18n("Unsaved Changes"),
+                                          KStdGuiItem::apply(),
+                                         KStdGuiItem::discard());
+	if (res == KMessageBox::Yes) {
+		slotApply();
+	} else {
+		module->load();
+		clientChanged( false );
+	}
+}
+
+
+void KCMultiWidget::slotAboutToShow(QWidget *page)
+{
+	QObject * obj = page->child( 0, "KCModuleProxy" );
+	if( ! obj )
+		return;
+
+	KCModuleProxy *module = ( KCModuleProxy* )obj->qt_cast( "KCModuleProxy" );
+	if( ! module )
+		return;
+
+	if( d && d->currentModule )
+		applyOrRevert( d->currentModule );
+	
+	d->currentModule = module;
+	emit ( aboutToShow( d->currentModule ) );
+
+	ModuleList::Iterator end = m_modules.end();
+	int buttons = 0;
+	for( ModuleList::Iterator it = m_modules.begin(); it != end; ++it ) {
+		if( ( *it ).kcm==d->currentModule) {
+			showButton(User3, ( *it ).adminmode);
+			buttons = ( *it ).buttons;
+		}
+	}
+
+        showButton(Apply, buttons & KCModule::Apply);
+        showButton(User1, buttons & KCModule::Apply);   // Reset button.
+
+        // Close button. No Apply button implies a Close button.
+        showButton(User2, (buttons & KCModule::Apply)==0);
+
+	enableButton( KDialogBase::Help, buttons & KCModule::Help );
+	enableButton( KDialogBase::Default, buttons & KCModule::Default );
+
+	disconnect( this, SIGNAL(user3Clicked()), 0, 0 );
+
+	if (d->currentModule->moduleInfo().needsRootPrivileges() &&
+			!d->currentModule->rootMode() )
+	{ /* Enable the Admin Mode button */
+		enableButton( User3, true );
+		connect( this, SIGNAL(user3Clicked()), d->currentModule, SLOT( runAsRoot() ));
+		connect( this, SIGNAL(user3Clicked()), SLOT( disableRModeButton() ));
+	} else {
+		enableButton( User3, false );
+	}
+}
+
+void KCMultiWidget::rootExit()
+{
+	enableButton( User3, true);
+}
+
+void KCMultiWidget::disableRModeButton()
+{
+	enableButton( User3, false );
+	connect ( d->currentModule, SIGNAL( childClosed() ), SLOT( rootExit() ) );
+}
+
+void KCMultiWidget::slotCancel() {
+	dialogClosed();
+	KDialogBase::slotCancel();
+}
+
+void KCMultiWidget::dialogClosed()
+{
+	if(d)
+	{
+		applyOrRevert(d->currentModule);
+	}
+}
+
+#include "kcmultiwidget.moc"