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491 lines
16 KiB
491 lines
16 KiB
/*
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kopetecommandhandler.cpp - Command Handler
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Copyright (c) 2003 by Jason Keirstead <jason@keirstead.org>
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Kopete (c) 2002-2003 by the Kopete developers <kopete-devel@kde.org>
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*************************************************************************
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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*************************************************************************
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*/
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#include <kapplication.h>
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#include <qregexp.h>
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#include <kdebug.h>
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#include <klocale.h>
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#include <kprocess.h>
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#include <kdeversion.h>
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#include <kxmlguiclient.h>
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#include <kaction.h>
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#include <qdom.h>
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#include "kopetechatsessionmanager.h"
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#include "kopeteprotocol.h"
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#include "kopetepluginmanager.h"
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#include "kopeteview.h"
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#include "kopeteaccountmanager.h"
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#include "kopeteaccount.h"
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#include "kopetecommandhandler.h"
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#include "kopetecontact.h"
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#include "kopetecommand.h"
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using Kopete::CommandList;
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typedef QMap<QObject*, CommandList> PluginCommandMap;
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typedef QMap<QString,QString> CommandMap;
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typedef QPair<Kopete::ChatSession*, Kopete::Message::MessageDirection> ManagerPair;
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class KopeteCommandGUIClient : public QObject, public KXMLGUIClient
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{
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public:
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KopeteCommandGUIClient( Kopete::ChatSession *manager ) : QObject(manager), KXMLGUIClient(manager)
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{
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setXMLFile( QString::fromLatin1("kopetecommandui.rc") );
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QDomDocument doc = domDocument();
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QDomNode menu = doc.documentElement().firstChild().firstChild().firstChild();
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CommandList mCommands = Kopete::CommandHandler::commandHandler()->commands(
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manager->protocol()
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);
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for( QDictIterator<Kopete::Command> it( mCommands ); it.current(); ++it )
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{
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KAction *a = static_cast<KAction*>( it.current() );
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actionCollection()->insert( a );
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QDomElement newNode = doc.createElement( QString::fromLatin1("Action") );
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newNode.setAttribute( QString::fromLatin1("name"),
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QString::fromLatin1( a->name() ) );
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bool added = false;
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for( QDomElement n = menu.firstChild().toElement();
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!n.isNull(); n = n.nextSibling().toElement() )
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{
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if( QString::fromLatin1(a->name()) < n.attribute(QString::fromLatin1("name")))
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{
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menu.insertBefore( newNode, n );
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added = true;
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break;
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}
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}
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if( !added )
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{
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menu.appendChild( newNode );
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}
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}
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setDOMDocument( doc );
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}
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};
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struct CommandHandlerPrivate
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{
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PluginCommandMap pluginCommands;
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Kopete::CommandHandler *s_handler;
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QMap<KProcess*,ManagerPair> processMap;
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bool inCommand;
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QPtrList<KAction> m_commands;
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};
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CommandHandlerPrivate *Kopete::CommandHandler::p = 0L;
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Kopete::CommandHandler::CommandHandler() : QObject( qApp )
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{
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p->s_handler = this;
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p->inCommand = false;
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CommandList mCommands(31, false);
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mCommands.setAutoDelete( true );
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p->pluginCommands.insert( this, mCommands );
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registerCommand( this, QString::fromLatin1("help"), SLOT( slotHelpCommand( const QString &, Kopete::ChatSession * ) ),
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i18n( "USAGE: /help [<command>] - Used to list available commands, or show help for a specified command." ), 0, 1 );
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registerCommand( this, QString::fromLatin1("close"), SLOT( slotCloseCommand( const QString &, Kopete::ChatSession * ) ),
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i18n( "USAGE: /close - Closes the current view." ) );
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// FIXME: What's the difference with /close? The help doesn't explain it - Martijn
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registerCommand( this, QString::fromLatin1("part"), SLOT( slotPartCommand( const QString &, Kopete::ChatSession * ) ),
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i18n( "USAGE: /part - Closes the current view." ) );
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registerCommand( this, QString::fromLatin1("clear"), SLOT( slotClearCommand( const QString &, Kopete::ChatSession * ) ),
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i18n( "USAGE: /clear - Clears the active view's chat buffer." ) );
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//registerCommand( this, QString::fromLatin1("me"), SLOT( slotMeCommand( const QString &, Kopete::ChatSession * ) ),
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// i18n( "USAGE: /me <text> - Formats message as in '<nickname> went to the store'." ) );
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registerCommand( this, QString::fromLatin1("away"), SLOT( slotAwayCommand( const QString &, Kopete::ChatSession * ) ),
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i18n( "USAGE: /away [<reason>] - Marks you as away/back for the current account only." ) );
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registerCommand( this, QString::fromLatin1("awayall"), SLOT( slotAwayAllCommand( const QString &, Kopete::ChatSession * ) ),
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i18n( "USAGE: /awayall [<reason>] - Marks you as away/back for all accounts." ) );
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registerCommand( this, QString::fromLatin1("say"), SLOT( slotSayCommand( const QString &, Kopete::ChatSession * ) ),
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i18n( "USAGE: /say <text> - Say text in this chat. This is the same as just typing a message, but is very "
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"useful for scripts." ), 1 );
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registerCommand( this, QString::fromLatin1("exec"), SLOT( slotExecCommand( const QString &, Kopete::ChatSession * ) ),
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i18n( "USAGE: /exec [-o] <command> - Executes the specified command and displays the output in the chat buffer. "
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"If -o is specified, the output is sent to all members of the chat."), 1 );
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connect( Kopete::PluginManager::self(), SIGNAL( pluginLoaded( Kopete::Plugin*) ),
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this, SLOT(slotPluginLoaded(Kopete::Plugin*) ) );
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connect( Kopete::ChatSessionManager::self(), SIGNAL( viewCreated( KopeteView * ) ),
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this, SLOT( slotViewCreated( KopeteView* ) ) );
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}
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Kopete::CommandHandler::~CommandHandler()
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{
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delete p;
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}
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Kopete::CommandHandler *Kopete::CommandHandler::commandHandler()
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{
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if( !p )
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{
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p = new CommandHandlerPrivate;
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p->s_handler = new Kopete::CommandHandler();
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}
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return p->s_handler;
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}
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void Kopete::CommandHandler::registerCommand( QObject *parent, const QString &command, const char* handlerSlot,
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const QString &help, uint minArgs, int maxArgs, const KShortcut &cut, const QString &pix )
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{
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QString lowerCommand = command.lower();
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Kopete::Command *mCommand = new Kopete::Command( parent, lowerCommand, handlerSlot, help,
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Normal, QString::null, minArgs, maxArgs, cut, pix);
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p->pluginCommands[ parent ].insert( lowerCommand, mCommand );
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}
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void Kopete::CommandHandler::unregisterCommand( QObject *parent, const QString &command )
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{
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if( p->pluginCommands[ parent ].find(command) )
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p->pluginCommands[ parent ].remove( command );
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}
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void Kopete::CommandHandler::registerAlias( QObject *parent, const QString &alias, const QString &formatString,
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const QString &help, CommandType type, uint minArgs, int maxArgs, const KShortcut &cut, const QString &pix )
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{
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QString lowerAlias = alias.lower();
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Kopete::Command *mCommand = new Kopete::Command( parent, lowerAlias, 0L, help, type,
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formatString, minArgs, maxArgs, cut, pix );
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p->pluginCommands[ parent ].insert( lowerAlias, mCommand );
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}
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void Kopete::CommandHandler::unregisterAlias( QObject *parent, const QString &alias )
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{
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if( p->pluginCommands[ parent ].find(alias) )
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p->pluginCommands[ parent ].remove( alias );
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}
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bool Kopete::CommandHandler::processMessage( const QString &msg, Kopete::ChatSession *manager )
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{
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if( p->inCommand )
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return false;
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QRegExp splitRx( QString::fromLatin1("^/([\\S]+)(.*)") );
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QString command;
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QString args;
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if(splitRx.search(msg) != -1)
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{
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command = splitRx.cap(1);
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args = splitRx.cap(2).mid(1);
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}
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else
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return false;
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CommandList mCommands = commands( manager->protocol() );
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Kopete::Command *c = mCommands[ command ];
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if(c)
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{
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kdDebug(14010) << k_funcinfo << "Handled Command" << endl;
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if( c->type() != SystemAlias && c->type() != UserAlias )
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p->inCommand = true;
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c->processCommand( args, manager );
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p->inCommand = false;
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return true;
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}
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return false;
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}
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bool Kopete::CommandHandler::processMessage( Kopete::Message &msg, Kopete::ChatSession *manager )
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{
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QString messageBody = msg.plainBody();
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return processMessage( messageBody, manager );
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}
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void Kopete::CommandHandler::slotHelpCommand( const QString &args, Kopete::ChatSession *manager )
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{
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QString output;
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if( args.isEmpty() )
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{
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int commandCount = 0;
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output = i18n( "Available Commands:\n" );
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CommandList mCommands = commands( manager->myself()->protocol() );
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QDictIterator<Kopete::Command> it( mCommands );
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for( ; it.current(); ++it )
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{
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output.append( it.current()->command().upper() + '\t' );
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if( commandCount++ == 5 )
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{
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commandCount = 0;
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output.append( '\n' );
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}
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}
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output.append( i18n( "\nType /help <command> for more information." ) );
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}
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else
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{
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QString command = parseArguments( args ).front().lower();
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Kopete::Command *c = commands( manager->myself()->protocol() )[ command ];
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if( c && !c->help().isNull() )
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output = c->help();
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else
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output = i18n("There is no help available for '%1'.").arg( command );
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}
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Kopete::Message msg(manager->myself(), manager->members(), output, Kopete::Message::Internal, Kopete::Message::PlainText);
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manager->appendMessage(msg);
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}
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void Kopete::CommandHandler::slotSayCommand( const QString &args, Kopete::ChatSession *manager )
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{
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//Just say whatever is passed
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Kopete::Message msg(manager->myself(), manager->members(), args,
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Kopete::Message::Outbound, Kopete::Message::PlainText);
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manager->sendMessage(msg);
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}
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void Kopete::CommandHandler::slotExecCommand( const QString &args, Kopete::ChatSession *manager )
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{
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if( !args.isEmpty() )
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{
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KProcess *proc = 0L;
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if ( kapp->authorize( QString::fromLatin1( "shell_access" ) ) )
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proc = new KProcess(manager);
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if( proc )
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{
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*proc << QString::fromLatin1("sh") << QString::fromLatin1("-c");
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QStringList argsList = parseArguments( args );
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if( argsList.front() == QString::fromLatin1("-o") )
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{
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p->processMap.insert( proc, ManagerPair(manager, Kopete::Message::Outbound) );
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*proc << args.section(QRegExp(QString::fromLatin1("\\s+")), 1);
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}
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else
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{
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p->processMap.insert( proc, ManagerPair(manager, Kopete::Message::Internal) );
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*proc << args;
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}
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connect(proc, SIGNAL(receivedStdout(KProcess *, char *, int)), this, SLOT(slotExecReturnedData(KProcess *, char *, int)));
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connect(proc, SIGNAL(receivedStderr(KProcess *, char *, int)), this, SLOT(slotExecReturnedData(KProcess *, char *, int)));
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proc->start( KProcess::NotifyOnExit, KProcess::AllOutput );
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}
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else
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{
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Kopete::Message msg(manager->myself(), manager->members(),
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i18n( "ERROR: Shell access has been restricted on your system. The /exec command will not function." ),
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Kopete::Message::Internal, Kopete::Message::PlainText );
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manager->sendMessage( msg );
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}
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}
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}
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void Kopete::CommandHandler::slotClearCommand( const QString &, Kopete::ChatSession *manager )
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{
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if( manager->view() )
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manager->view()->clear();
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}
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void Kopete::CommandHandler::slotPartCommand( const QString &, Kopete::ChatSession *manager )
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{
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if( manager->view() )
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manager->view()->closeView();
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}
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void Kopete::CommandHandler::slotAwayCommand( const QString &args, Kopete::ChatSession *manager )
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{
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bool goAway = !manager->account()->isAway();
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if( args.isEmpty() )
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manager->account()->setAway( goAway );
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else
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manager->account()->setAway( goAway, args );
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}
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void Kopete::CommandHandler::slotAwayAllCommand( const QString &args, Kopete::ChatSession *manager )
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{
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if( manager->account()->isAway() )
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Kopete::AccountManager::self()->setAvailableAll();
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else
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{
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if( args.isEmpty() )
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Kopete::AccountManager::self()->setAwayAll();
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else
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Kopete::AccountManager::self()->setAwayAll( args );
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}
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}
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void Kopete::CommandHandler::slotCloseCommand( const QString &, Kopete::ChatSession *manager )
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{
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if( manager->view() )
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manager->view()->closeView();
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}
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void Kopete::CommandHandler::slotExecReturnedData(KProcess *proc, char *buff, int bufflen )
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{
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kdDebug(14010) << k_funcinfo << endl;
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QString buffer = QString::fromLocal8Bit( buff, bufflen );
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ManagerPair mgrPair = p->processMap[ proc ];
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Kopete::Message msg( mgrPair.first->myself(), mgrPair.first->members(), buffer, mgrPair.second, Kopete::Message::PlainText );
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if( mgrPair.second == Kopete::Message::Outbound )
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mgrPair.first->sendMessage( msg );
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else
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mgrPair.first->appendMessage( msg );
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}
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void Kopete::CommandHandler::slotExecFinished(KProcess *proc)
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{
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delete proc;
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p->processMap.remove( proc );
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}
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QStringList Kopete::CommandHandler::parseArguments( const QString &args )
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{
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QStringList arguments;
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QRegExp quotedArgs( QString::fromLatin1("\"(.*)\"") );
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quotedArgs.setMinimal( true );
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if ( quotedArgs.search( args ) != -1 )
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{
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for( int i = 0; i< quotedArgs.numCaptures(); i++ )
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arguments.append( quotedArgs.cap(i) );
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}
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QStringList otherArgs = QStringList::split( QRegExp(QString::fromLatin1("\\s+")), args.section( quotedArgs, 0 ) );
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for( QStringList::Iterator it = otherArgs.begin(); it != otherArgs.end(); ++it )
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arguments.append( *it );
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return arguments;
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}
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bool Kopete::CommandHandler::commandHandled( const QString &command )
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{
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for( PluginCommandMap::Iterator it = p->pluginCommands.begin(); it != p->pluginCommands.end(); ++it )
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{
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if( it.data()[ command ] )
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return true;
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}
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return false;
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}
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bool Kopete::CommandHandler::commandHandledByProtocol( const QString &command, Kopete::Protocol *protocol )
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{
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// Make sure the protocol is not NULL
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if(!protocol)
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return false;
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// Fetch the commands for the protocol
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CommandList commandList = commands( protocol );
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QDictIterator<Kopete::Command> it ( commandList );
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// Loop through commands and check if they match the supplied command
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for( ; it.current(); ++it )
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{
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if( it.current()->command().lower() == command )
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return true;
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}
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// No commands found
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return false;
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}
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CommandList Kopete::CommandHandler::commands( Kopete::Protocol *protocol )
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{
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CommandList commandList(63, false);
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//Add plugin user aliases first
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addCommands( p->pluginCommands[protocol], commandList, UserAlias );
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//Add plugin system aliases next
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addCommands( p->pluginCommands[protocol], commandList, SystemAlias );
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//Add the commands for this protocol next
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addCommands( p->pluginCommands[protocol], commandList );
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//Add plugin commands
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for( PluginCommandMap::Iterator it = p->pluginCommands.begin(); it != p->pluginCommands.end(); ++it )
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{
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if( !it.key()->inherits("Kopete::Protocol") && it.key()->inherits("Kopete::Plugin") )
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addCommands( it.data(), commandList );
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}
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//Add global user aliases first
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addCommands( p->pluginCommands[this], commandList, UserAlias );
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//Add global system aliases next
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addCommands( p->pluginCommands[this], commandList, SystemAlias );
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//Add the internal commands *last*
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addCommands( p->pluginCommands[this], commandList );
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return commandList;
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}
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void Kopete::CommandHandler::addCommands( CommandList &from, CommandList &to, CommandType type )
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{
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QDictIterator<Kopete::Command> itDict( from );
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for( ; itDict.current(); ++itDict )
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{
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if( !to[ itDict.currentKey() ] &&
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( type == Undefined || itDict.current()->type() == type ) )
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to.insert( itDict.currentKey(), itDict.current() );
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}
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}
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void Kopete::CommandHandler::slotViewCreated( KopeteView *view )
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{
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new KopeteCommandGUIClient( view->msgManager() );
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}
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void Kopete::CommandHandler::slotPluginLoaded( Kopete::Plugin *plugin )
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{
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connect( plugin, SIGNAL( destroyed( QObject * ) ), this, SLOT( slotPluginDestroyed( QObject * ) ) );
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if( !p->pluginCommands.contains( plugin ) )
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{
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//Create a QDict optomized for a larger # of commands, and case insensitive
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CommandList mCommands(31, false);
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mCommands.setAutoDelete( true );
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p->pluginCommands.insert( plugin, mCommands );
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}
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}
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void Kopete::CommandHandler::slotPluginDestroyed( QObject *plugin )
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{
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p->pluginCommands.remove( static_cast<Kopete::Plugin*>(plugin) );
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}
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#include "kopetecommandhandler.moc"
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// vim: set noet ts=4 sts=4 sw=4:
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