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shellapp.cpp
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shellapp.cpp
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/** @file shellapp.cpp Doomsday shell connection app.
*
* @authors Copyright © 2013 Jaakko Keränen <jaakko.keranen@iki.fi>
*
* @par License
* GPL: http://www.gnu.org/licenses/gpl.html
*
* <small>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, see:
* http://www.gnu.org/licenses</small>
*/
#include "shellapp.h"
#include "logwidget.h"
#include "commandlinewidget.h"
#include "statuswidget.h"
#include <de/shell/Link>
#include <de/LogBuffer>
#include <QStringList>
using namespace de;
struct ShellApp::Instance
{
ShellApp &self;
LogWidget *log;
CommandLineWidget *cli;
StatusWidget *status;
shell::Link *link;
Instance(ShellApp &a) : self(a), link(0)
{
RootWidget &root = self.rootWidget();
status = new StatusWidget;
status->rule()
.setInput(RectangleRule::Height, refless(new ConstantRule(1)))
.setInput(RectangleRule::Bottom, root.viewBottom())
.setInput(RectangleRule::Width, root.viewWidth())
.setInput(RectangleRule::Left, root.viewLeft());
cli = new CommandLineWidget;
cli->rule()
.setInput(RectangleRule::Left, root.viewLeft())
.setInput(RectangleRule::Width, root.viewWidth())
.setInput(RectangleRule::Bottom, status->rule().top());
log = new LogWidget;
log->rule()
.setInput(RectangleRule::Left, root.viewLeft())
.setInput(RectangleRule::Width, root.viewWidth())
.setInput(RectangleRule::Top, root.viewTop())
.setInput(RectangleRule::Bottom, cli->rule().top());
// Ownership also given to the root widget:
root.add(status);
root.add(cli);
root.add(log);
root.setFocus(cli);
QObject::connect(cli, SIGNAL(commandEntered(de::String)), &self, SLOT(sendCommandToServer(de::String)));
}
~Instance()
{
delete link;
}
};
ShellApp::ShellApp(int &argc, char **argv)
: CursesApp(argc, argv), d(new Instance(*this))
{
LogBuffer &buf = LogBuffer::appBuffer();
buf.setMaxEntryCount(50); // buffered here rather than appBuffer
buf.addSink(d->log->logSink());
QStringList args = arguments();
if(args.size() > 1)
{
// Open a connection.
d->link = new shell::Link(Address(args[1]));
d->status->setShellLink(d->link);
}
}
ShellApp::~ShellApp()
{
LogBuffer::appBuffer().removeSink(d->log->logSink());
delete d;
}
void ShellApp::sendCommandToServer(String command)
{
LOG_INFO(">") << command;
QScopedPointer<Packet> packet(d->link->protocol().newCommand(command));
*d->link << *packet;
}