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- Using setRawData instead of setData (Martin's request)
- Make the OMPlot a single instance application. - Added an extra argument -ew true/false. if true will pop up new OMPlot window. - Fixed the segmentation faults problem. git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@8441 f25d12d1-65f4-0310-ae8a-bbce733d8d8e
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| /* | ||
| * This file is part of OpenModelica. | ||
| * | ||
| * Copyright (c) 1998-CurrentYear, Linkoping University, | ||
| * Department of Computer and Information Science, | ||
| * SE-58183 Linkoping, Sweden. | ||
| * | ||
| * All rights reserved. | ||
| * | ||
| * THIS PROGRAM IS PROVIDED UNDER THE TERMS OF GPL VERSION 3 | ||
| * AND THIS OSMC PUBLIC LICENSE (OSMC-PL). | ||
| * ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS PROGRAM CONSTITUTES RECIPIENT'S | ||
| * ACCEPTANCE OF THE OSMC PUBLIC LICENSE. | ||
| * | ||
| * The OpenModelica software and the Open Source Modelica | ||
| * Consortium (OSMC) Public License (OSMC-PL) are obtained | ||
| * from Linkoping University, either from the above address, | ||
| * from the URLs: http://www.ida.liu.se/projects/OpenModelica or | ||
| * http://www.openmodelica.org, and in the OpenModelica distribution. | ||
| * GNU version 3 is obtained from: http://www.gnu.org/copyleft/gpl.html. | ||
| * | ||
| * This program is distributed WITHOUT ANY WARRANTY; without | ||
| * even the implied warranty of MERCHANTABILITY or FITNESS | ||
| * FOR A PARTICULAR PURPOSE, EXCEPT AS EXPRESSLY SET FORTH | ||
| * IN THE BY RECIPIENT SELECTED SUBSIDIARY LICENSE CONDITIONS | ||
| * OF OSMC-PL. | ||
| * | ||
| * See the full OSMC Public License conditions for more details. | ||
| * | ||
| * Main Author 2011: Adeel Asghar | ||
| * | ||
| */ | ||
|
|
||
| #include "PlotApplication.h" | ||
| #include <QTimer> | ||
|
|
||
| PlotApplication::PlotApplication(int &argc, char *argv[], const QString uniqueKey) | ||
| : QApplication(argc, argv) | ||
| { | ||
| mSharedMemory.setKey(uniqueKey); | ||
|
|
||
| if (mSharedMemory.attach()) | ||
| mIsRunning = true; | ||
| else | ||
| { | ||
| mIsRunning = false; | ||
| // attach data to shared memory. | ||
| QByteArray byteArray("0"); // default value to note that no message is available. | ||
| if (!mSharedMemory.create(byteArray.size())) | ||
| { | ||
| printf("Unable to create shared memory for OMPlot."); | ||
| return; | ||
| } | ||
| mSharedMemory.lock(); | ||
| char *to = (char*)mSharedMemory.data(); | ||
| const char *from = byteArray.data(); | ||
| memcpy(to, from, qMin(mSharedMemory.size(), byteArray.size())); | ||
| mSharedMemory.unlock(); | ||
| // start checking for messages of other instances. | ||
| mpTimer = new QTimer(this); | ||
| startTimer(); // connect the timer to checkForMessage slot | ||
| mpTimer->start(100); // after every 0.1 second we check the shared memory | ||
| } | ||
|
|
||
| connect(this, SIGNAL(newApplicationLaunched()), SLOT(stopTimer())); | ||
| } | ||
|
|
||
| bool PlotApplication::isRunning() | ||
| { | ||
| return mIsRunning; | ||
| } | ||
|
|
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| bool PlotApplication::sendMessage(QStringList arguments) | ||
| { | ||
| if (!mIsRunning) | ||
| return false; | ||
| QByteArray byteArray("1"); | ||
| byteArray.append(arguments.join(";").toUtf8()); | ||
| byteArray.append('\0'); // < should be as char here, not a string! | ||
| mSharedMemory.lock(); | ||
| char *to = (char*)mSharedMemory.data(); | ||
| const char *from = byteArray.data(); | ||
| memcpy(to, from, qMin(mSharedMemory.size(), byteArray.size())); | ||
| mSharedMemory.unlock(); | ||
| return true; | ||
| } | ||
|
|
||
| void PlotApplication::launchNewApplication() | ||
| { | ||
| QByteArray byteArray("1"); | ||
| byteArray.append(tr("newomplotwindow").toUtf8()); | ||
| byteArray.append('\0'); // < should be as char here, not a string! | ||
| mSharedMemory.lock(); | ||
| char *to = (char*)mSharedMemory.data(); | ||
| const char *from = byteArray.data(); | ||
| memcpy(to, from, qMin(mSharedMemory.size(), byteArray.size())); | ||
| mSharedMemory.unlock(); | ||
| // new create timer for new app | ||
| mpTimer = new QTimer(this); | ||
| startTimer(); // connect the timer to checkForMessage slot | ||
| mpTimer->start(100); // after every 0.1 second we check the shared memory | ||
| } | ||
|
|
||
| void PlotApplication::checkForMessage() | ||
| { | ||
| qDebug() << "looking for message"; | ||
| mSharedMemory.lock(); | ||
| QByteArray byteArray = QByteArray((char*)mSharedMemory.constData(), mSharedMemory.size()); | ||
| mSharedMemory.unlock(); | ||
| if (byteArray.left(1) == "0") | ||
| return; | ||
| byteArray.remove(0, 1); // remove the one we put at the start of the bytearray while writing to memory | ||
| // check if new application is launched or not | ||
| if (QString::fromUtf8(byteArray.constData()).compare("newomplotwindow") == 0) | ||
| { | ||
| emit newApplicationLaunched(); | ||
| } | ||
| else | ||
| { | ||
| QStringList arguments = QString::fromUtf8(byteArray.constData()).split(";"); | ||
| emit messageAvailable(arguments); | ||
| } | ||
| // remove message from shared memory. | ||
| byteArray = "0"; | ||
| mSharedMemory.lock(); | ||
| char *to = (char*)mSharedMemory.data(); | ||
| const char *from = byteArray.data(); | ||
| memcpy(to, from, qMin(mSharedMemory.size(), byteArray.size())); | ||
| mSharedMemory.unlock(); | ||
| } | ||
|
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| void PlotApplication::startTimer() | ||
| { | ||
| connect(mpTimer, SIGNAL(timeout()), SLOT(checkForMessage())); | ||
| } | ||
|
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| void PlotApplication::stopTimer() | ||
| { | ||
| mpTimer->stop(); | ||
| qDebug() << "stopping timer"; | ||
| } | ||
|
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||
|
|
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