/**************************************************************************** Copyright (C) 2002-2008 Gilles Debunne. All rights reserved. This file is part of the QGLViewer library version 2.3.9. http://www.libqglviewer.com - contact@libqglviewer.com This file may be used under the terms of the GNU General Public License versions 2.0 or 3.0 as published by the Free Software Foundation and appearing in the LICENSE file included in the packaging of this file. In addition, as a special exception, Gilles Debunne gives you certain additional rights, described in the file GPL_EXCEPTION in this package. libQGLViewer uses dual licensing. Commercial/proprietary software must purchase a libQGLViewer Commercial License. This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. *****************************************************************************/ #include "computerPlayer.h" #include <qfiledialog.h> #include <qmessagebox.h> #include "qlineedit.h" #include "qpushbutton.h" #include "qspinbox.h" #include "qprocess.h" #if QT_VERSION >= 0x040000 # include <QTime> # include "ui_computerPlayerInterface.Qt4.h" class ComputerPlayerInterface : public QDialog, public Ui::ComputerPlayerInterface { public: ComputerPlayerInterface() { setupUi(this); } }; #else # include "qdatetime.h" # if QT_VERSION >= 0x030000 # include "computerPlayerInterface.Qt3.h" # else # error "No designer .ui file available for Qt 2" # endif #endif static QTime Clock; ComputerPlayer::ComputerPlayer() : isActive_(false) { interface_ = new ComputerPlayerInterface(); connect(interface_->browseButton, SIGNAL(released()), this, SLOT(selectProgram())); interface_->hide(); setAllowedTime(3); } ComputerPlayer::~ComputerPlayer() { delete interface_; } void ComputerPlayer::selectProgram() { #if QT_VERSION < 0x040000 QString fileName = QFileDialog::getOpenFileName(programFileName(), "Computer programs (*)", NULL); #else QString fileName = QFileDialog::getOpenFileName(NULL, "Select a computer program", programFileName(), "Computer programs (*)"); #endif if (!fileName.isEmpty()) setProgramFileName(fileName); } void ComputerPlayer::setIsActive(bool on) { if (on && (programFileName().isEmpty())) configure(); isActive_ = on; } void ComputerPlayer::configure() { int previousAllowedTime = allowedTime(); QString previousProgramFileName = programFileName(); if (interface_->exec() == QDialog::Rejected) { setAllowedTime(previousAllowedTime); setProgramFileName(previousProgramFileName); } } int ComputerPlayer::allowedTime() const { return interface_->allowedTimeSpinBox->value(); } void ComputerPlayer::setAllowedTime(int time) { interface_->allowedTimeSpinBox->setValue(time); } QString ComputerPlayer::programFileName() const { return interface_->programNameLineEdit->text(); } void ComputerPlayer::setProgramFileName(const QString& name) { interface_->programNameLineEdit->setText(name); } void ComputerPlayer::play(bool blue, const QString& stateFileName) { if (!isActive_) return; // So that human user can play while (true) { const QFileInfo fi(programFileName()); if (fi.exists()) if (fi.isExecutable()) { #if QT_VERSION < 0x040000 process_ = new QProcess(programFileName()); process_->addArgument(stateFileName); process_->addArgument(QString::number(blue?allowedTime():-allowedTime())); connect(process_, SIGNAL(processExited()), this, SLOT(readFromStdout())); if (process_->start()) #else process_ = new QProcess(); connect(process_, SIGNAL(finished(int)), this, SLOT(readFromStdout())); process_->start(programFileName(), QStringList() << stateFileName << QString::number(blue?allowedTime():-allowedTime())); if (process_->waitForStarted()) #endif { Clock.start(); break; } else QMessageBox::warning(NULL ,"Unable to start process", "Unable to start process.\nSelect another program or update permissions"); } else QMessageBox::warning(NULL ,"Non executable program file", "Program file cannot be executed.\nSelect another program or update permissions."); else QMessageBox::warning(NULL ,"Program file not found", "Program file does not exist.\nSelect another program."); configure(); } } void ComputerPlayer::readFromStdout() { int duration = Clock.elapsed(); #if QT_VERSION < 0x040000 QString result = process_->readLineStdout(); #else QString result = QString((process_->readAllStandardOutput()).trimmed()); #endif Q_EMIT moveMade(result, duration); #if QT_VERSION < 0x040000 delete process_; #else process_->deleteLater(); #endif }