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+/* This file is part of the KDE project
+   Copyright (C) 2001 Matthias Hoelzer-Kluepfel <hoelzer@kde.org>
+   Copyright (C) 2001-2002 Bernd Gehrmann <bernd@kdevelop.org>
+   Copyright (C) 2002-2003 Roberto Raggi <roberto@kdevelop.org>
+   Copyright (C) 2002 Simon Hausmann <hausmann@kde.org>
+   Copyright (C) 2002 John Firebaugh <jfirebaugh@kde.org>
+   Copyright (C) 2003 Amilcar do Carmo Lucas <amilcar@ida.ing.tu-bs.de>
+   Copyright (C) 2003 Hamish Rodda <rodda@kde.org>
+   Copyright (C) 2003 Jens Dagerbo <jens.dagerbo@swipnet.se>
+
+   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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+#ifndef KDEVAPPFRONTEND_H
+#define KDEVAPPFRONTEND_H
+
+#include <qstringlist.h>
+#include <kdevplugin.h>
+
+/**
+@file kdevappfrontend.h
+Application frontend interface.
+*/
+
+/**
+Application frontend interface. 
+This interface is responsible for handling the running of an application in KDevelop.
+Currently, this interface defines ways to do the following:
+- check if the application is running;
+- execute the application;
+- stop the currently running application;
+- control the output view as seen in the 'Application' tool dock.
+
+Instances that implement this interface are available through extension architecture:
+@code
+KDevAppFrontend *apf = extension<KDevAppFrontend>("KDevelop/AppFrontend");
+if (apf) {
+    // do something
+} else {
+    // fail
+}
+@endcode
+@sa KDevPlugin::extension method documentation.
+*/
+class KDevAppFrontend : public KDevPlugin
+{
+    Q_OBJECT
+
+public:
+    /**Constructor.
+    @param info Important information about the plugin - plugin internal and generic
+    (GUI) name, description, a list of authors, etc. That information is used to show
+    plugin information in various places like "about application" dialog, plugin selector
+    dialog, etc. Plugin does not take ownership on info object, also its lifetime should
+    be equal to the lifetime of the plugin.
+    @param parent The parent object for the plugin. Parent object must implement @ref KDevApi
+    interface. Otherwise the plugin will not be constructed.
+    @param name The internal name which identifies the plugin.*/
+    KDevAppFrontend(const KDevPluginInfo *info, QObject *parent=0, const char *name=0 )
+        :KDevPlugin(info, parent, name ? name : "KDevAppFrontend") {}
+
+    /**@return Whether the application is currently running.*/
+    virtual bool isRunning() = 0;
+
+public slots:
+    /**
+     * The component shall start to execute an app-like command.
+     * Running the application is always asynchronous.
+     * @param directory The working directory to start the app in,
+     * if empty then the user's home directory is used.
+     * @param program A program to start.
+     * @param inTerminal If true then the program is started in an external konsole.
+     */
+    virtual void startAppCommand(const QString &directory, const QString &program, bool inTerminal) = 0;
+
+    /**
+     * Stops the currently running application.
+     */
+    virtual void stopApplication() = 0;
+
+    /**
+     * Inserts a string into the application output view.
+     * @param line A string to insert.
+     */
+    virtual void insertStdoutLine(const QCString &line) = 0;
+
+    /**
+     * Inserts a string into the application output view marked as stderr output
+     * (usually colored).
+     * @param line An error string to insert.
+     */
+    virtual void insertStderrLine(const QCString &line) = 0;
+
+    virtual void addPartialStderrLine( const QCString& line ) = 0;
+    virtual void addPartialStdoutLine( const QCString& line ) = 0;
+
+    /**
+     * Clears the output view.
+     */
+    virtual void clearView() = 0;
+};
+
+#endif