Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 346 insertions, 0 deletions

diff --git a/kopete/protocols/irc/ui/channellist.cpp b/kopete/protocols/irc/ui/channellist.cpp
new file mode 100644
index 00000000..5c66ede0
--- /dev/null
+++ b/kopete/protocols/irc/ui/channellist.cpp
@@ -0,0 +1,346 @@
+/*
+    channellist.cpp - IRC Channel Search Widget
+
+    Copyright (c) 2004      by Jason Keirstead <jason@keirstead.org>
+
+    Kopete    (c) 2002-2004 by the Kopete developers <kopete-devel@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.                                   *
+    *                                                                       *
+    *************************************************************************
+*/
+
+#include "channellist.h"
+
+#include "kircengine.h"
+
+#include <klocale.h>
+#include <kmessagebox.h>
+
+#include <qvariant.h>
+#include <qlabel.h>
+#include <qpainter.h>
+#include <qapplication.h>
+#include <qsimplerichtext.h>
+#include <qstyle.h>
+#include <qlineedit.h>
+#include <qpushbutton.h>
+#include <qheader.h>
+#include <klistview.h>
+#include <qlayout.h>
+#include <qtooltip.h>
+#include <qtimer.h>
+#include <qspinbox.h>
+#include <qwhatsthis.h>
+
+class ChannelListItem : public KListViewItem
+{
+	public:
+		ChannelListItem( KListView *parent, QString arg1, QString arg2, QString arg3 );
+		virtual int compare( QListViewItem *i, int col, bool ascending ) const;
+		virtual void paintCell( QPainter *p, const QColorGroup &cg, int column, int width, int align );
+
+	private:
+		KListView *parentList;
+};
+
+ChannelListItem::ChannelListItem( KListView *parent, QString arg1, QString arg2, QString arg3 ) :
+	KListViewItem( parent, parent->lastItem() ), parentList( parent )
+{
+	setText(0, arg1);
+	setText(1, arg2);
+	setText(2, arg3);
+}
+
+int ChannelListItem::compare( QListViewItem *i, int col, bool ascending ) const
+{
+	if( col == 1 )
+	{
+		if( text(1).toUInt() < i->text(1).toUInt() )
+			return -1;
+		else if ( text(1).toUInt() == i->text(1).toUInt() )
+			return 0;
+		else
+			return 1;
+	}
+	else
+		return QListViewItem::compare( i, col, ascending );
+}
+
+void ChannelListItem::paintCell( QPainter *p, const QColorGroup &cg, int column, int width, int align )
+{
+	QPixmap back( width, height() );
+	QPainter paint( &back );
+	//KListViewItem::paintCell( &paint, cg, column, width, align );
+	// PASTED FROM KLISTVIEWITEM:
+	// set the alternate cell background colour if necessary
+	QColorGroup _cg = cg;
+	if (isAlternate())
+		if (listView()->viewport()->backgroundMode()==Qt::FixedColor)
+			_cg.setColor(QColorGroup::Background, static_cast< KListView* >(listView())->alternateBackground());
+		else
+			_cg.setColor(QColorGroup::Base, static_cast< KListView* >(listView())->alternateBackground());
+	// PASTED FROM QLISTVIEWITEM
+	{
+		QPainter *p = &paint;
+
+		QListView *lv = listView();
+		if ( !lv )
+			return;
+		QFontMetrics fm( p->fontMetrics() );
+
+		// any text we render is done by the Components, not by this class, so make sure we've nothing to write
+		QString t;
+
+		// removed text truncating code from Qt - we do that differently, further on
+
+		int marg = lv->itemMargin();
+		int r = marg;
+	//	const QPixmap * icon = pixmap( column );
+
+		const BackgroundMode bgmode = lv->viewport()->backgroundMode();
+		const QColorGroup::ColorRole crole = QPalette::backgroundRoleFromMode( bgmode );
+
+		if ( _cg.brush( crole ) != lv->colorGroup().brush( crole ) )
+			p->fillRect( 0, 0, width, height(), _cg.brush( crole ) );
+		else
+		{
+			// all copied from QListView::paintEmptyArea
+
+			//lv->paintEmptyArea( p, QRect( 0, 0, width, height() ) );
+			QStyleOption opt( lv->sortColumn(), 0 ); // ### hack; in 3.1, add a property in QListView and QHeader
+			QStyle::SFlags how = QStyle::Style_Default;
+			if ( lv->isEnabled() )
+				how |= QStyle::Style_Enabled;
+
+			lv->style().drawComplexControl( QStyle::CC_ListView,
+						p, lv, QRect( 0, 0, width, height() ), lv->colorGroup(),
+						how, QStyle::SC_ListView, QStyle::SC_None,
+						opt );
+		}
+
+
+
+		if ( isSelected() &&
+		(column == 0 || lv->allColumnsShowFocus()) ) {
+			p->fillRect( r - marg, 0, width - r + marg, height(),
+					_cg.brush( QColorGroup::Highlight ) );
+	// removed text pen setting code from Qt
+		}
+
+		// removed icon drawing code from Qt
+
+		// draw the tree gubbins
+		if ( multiLinesEnabled() && column == 0 && isOpen() && childCount() ) {
+			int textheight = fm.size( align, t ).height() + 2 * lv->itemMargin();
+			textheight = QMAX( textheight, QApplication::globalStrut().height() );
+			if ( textheight % 2 > 0 )
+				textheight++;
+			if ( textheight < height() ) {
+				int w = lv->treeStepSize() / 2;
+				lv->style().drawComplexControl( QStyle::CC_ListView, p, lv,
+								QRect( 0, textheight, w + 1, height() - textheight + 1 ), _cg,
+								lv->isEnabled() ? QStyle::Style_Enabled : QStyle::Style_Default,
+								QStyle::SC_ListViewExpand,
+								(uint)QStyle::SC_All, QStyleOption( this ) );
+			}
+		}
+	}
+	// END OF PASTE
+
+
+	//do you see a better way to tell the TextComponent we are selected ?  - Olivier 2004-09-02
+	if ( isSelected() )
+		_cg.setColor(QColorGroup::Text , _cg.highlightedText() );
+
+	QSimpleRichText myrichtext( text(column), paint.font() );
+	myrichtext.draw(  &paint, 0, 0, paint.window(), _cg );
+
+	paint.end();
+	p->drawPixmap( 0, 0, back );
+}
+
+ChannelList::ChannelList( QWidget* parent, KIRC::Engine *engine )
+    : QWidget( parent ), m_engine( engine )
+{
+	ChannelListLayout = new QVBoxLayout( this, 11, 6, "ChannelListLayout");
+
+	layout72_2 = new QHBoxLayout( 0, 0, 6, "layout72_2");
+
+	textLabel1_2 = new QLabel( this, "textLabel1_2" );
+	layout72_2->addWidget( textLabel1_2 );
+
+	channelSearch = new QLineEdit( this, "channelSearch" );
+	layout72_2->addWidget( channelSearch );
+
+	numUsers = new QSpinBox( 0, 32767, 1, this, "num_users" );
+	numUsers->setSuffix( i18n(" members") );
+	layout72_2->addWidget( numUsers );
+
+	mSearchButton = new QPushButton( this, "mSearchButton" );
+	layout72_2->addWidget( mSearchButton );
+	ChannelListLayout->addLayout( layout72_2 );
+
+	mChannelList = new KListView( this, "mChannelList" );
+	mChannelList->addColumn( i18n( "Channel" ) );
+	mChannelList->addColumn( i18n( "Users" ) );
+	mChannelList->header()->setResizeEnabled( FALSE, mChannelList->header()->count() - 1 );
+	mChannelList->addColumn( i18n( "Topic" ) );
+	mChannelList->setAllColumnsShowFocus( TRUE );
+	mChannelList->setShowSortIndicator( TRUE );
+	ChannelListLayout->addWidget( mChannelList );
+
+	clearWState( WState_Polished );
+
+	textLabel1_2->setText( i18n( "Search for:" ) );
+	QToolTip::add( textLabel1_2, i18n( "You may search for channels on the IRC server for a text string entered here." ) );
+	QToolTip::add( numUsers, i18n( "Channels returned must have at least this many members." ) );
+	QWhatsThis::add( numUsers, i18n( "Channels returned must have at least this many members." ) );
+	QWhatsThis::add( textLabel1_2, i18n( "You may search for channels on the IRC server for a text string entered here.  For instance, you may type 'linux' to find channels that have something to do with linux." ) );
+	QToolTip::add( channelSearch, i18n( "You may search for channels on the IRC server for a text string entered here." ) );
+	QWhatsThis::add( channelSearch, i18n( "You may search for channels on the IRC server for a text string entered here.  For instance, you may type 'linux' to find channels that have something to do with linux." ) );
+	mSearchButton->setText( i18n( "S&earch" ) );
+	QToolTip::add( mSearchButton, i18n( "Perform a channel search." ) );
+	QWhatsThis::add( mSearchButton, i18n( "Perform a channel search.  Please be patient, as this can be slow depending on the number of channels on the server." ) );
+	QToolTip::add( mChannelList, i18n( "Double click on a channel to select it." ) );
+	mChannelList->header()->setLabel( 0, i18n( "Channel" ) );
+	mChannelList->header()->setLabel( 1, i18n( "Users" ) );
+	mChannelList->header()->setLabel( 2, i18n( "Topic" ) );
+
+	// signals and slots connections
+	connect( mChannelList, SIGNAL( doubleClicked(QListViewItem*) ),
+		this, SLOT( slotItemDoubleClicked(QListViewItem*) ) );
+
+	connect( mSearchButton, SIGNAL( clicked() ), this, SLOT( search() ) );
+
+	connect( mChannelList, SIGNAL( selectionChanged( QListViewItem*) ), this,
+		SLOT( slotItemSelected( QListViewItem *) ) );
+
+	connect( m_engine, SIGNAL( incomingListedChan( const QString &, uint, const QString & ) ),
+		this, SLOT( slotChannelListed( const QString &, uint, const QString & ) ) );
+
+	connect( m_engine, SIGNAL( incomingEndOfList() ), this, SLOT( slotListEnd() ) );
+
+	connect( m_engine, SIGNAL( statusChanged(KIRC::Engine::Status) ),
+			this, SLOT( slotStatusChanged(KIRC::Engine::Status) ) );
+
+	show();
+}
+
+void ChannelList::slotItemDoubleClicked( QListViewItem *i )
+{
+	emit channelDoubleClicked( i->text(0) );
+}
+
+void ChannelList::slotItemSelected( QListViewItem *i )
+{
+	emit channelSelected( i->text(0) );
+}
+
+void ChannelList::slotStatusChanged(KIRC::Engine::Status newStatus)
+{
+	switch(newStatus) {
+	case KIRC::Engine::Connected:
+		this->reset();
+		break;
+	case KIRC::Engine::Disconnected:
+		if (mSearching) {
+			KMessageBox::queuedMessageBox(
+				this, KMessageBox::Error,
+				i18n("You have been disconnected from the IRC server."),
+				i18n("Disconnected"), 0
+				);
+		}
+
+		slotListEnd();
+		break;
+	default:
+		break;
+	}
+}
+
+void ChannelList::reset()
+{
+	channelCache.clear();
+	clear();
+}
+
+void ChannelList::clear()
+{
+	mChannelList->clear();
+	channelSearch->clear();
+	channelSearch->setFocus();
+}
+
+void ChannelList::search()
+{
+	if( m_engine->isConnected() || !channelCache.isEmpty() )
+	{
+		mChannelList->clear();
+		mChannelList->setSorting( -1 );
+		mSearchButton->setEnabled(false);
+		mSearch = channelSearch->text();
+		mSearching = true;
+		mUsers = numUsers->value();
+
+		if( channelCache.isEmpty() )
+			m_engine->list();
+		else
+		{
+			cacheIterator = channelCache.begin();
+			slotSearchCache();
+		}
+	}
+	else
+	{
+		KMessageBox::queuedMessageBox(
+			this, KMessageBox::Error,
+			i18n("You must be connected to the IRC server to perform a channel listing."),
+			i18n("Not Connected"), 0
+		);
+	}
+}
+
+void ChannelList::slotChannelListed( const QString &channel, uint users, const QString &topic )
+{
+	checkSearchResult( channel, users, topic );
+	channelCache.insert( channel, QPair< uint, QString >( users, topic ) );
+}
+
+void ChannelList::checkSearchResult( const QString &channel, uint users, const QString &topic )
+{
+	if( ( mUsers == 0 || mUsers <= users ) &&
+		( mSearch.isEmpty() || channel.contains( mSearch, false ) || topic.contains( mSearch, false ) )
+	)
+	{
+		new ChannelListItem( mChannelList, channel, QString::number(users), topic );
+	}
+}
+
+void ChannelList::slotSearchCache()
+{
+	if( cacheIterator != channelCache.end() )
+	{
+		checkSearchResult( cacheIterator.key(), cacheIterator.data().first, cacheIterator.data().second );
+		++cacheIterator;
+		QTimer::singleShot( 0, this, SLOT( slotSearchCache() ) );
+	}
+	else
+	{
+		slotListEnd();
+	}
+}
+
+void ChannelList::slotListEnd()
+{
+	mChannelList->setSorting(0, true);
+	mSearchButton->setEnabled(true);
+	mSearching = false;
+}
+
+#include "channellist.moc"