ground/gcs/src/shared/qtsingleapplication/qtsingleapplication.cpp

   1 /**
   2  ******************************************************************************
   3  *
   4  * @file       qtsingleapplication.cpp
   5  * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
   6  *             Parts by Nokia Corporation (qt-info@nokia.com) Copyright (C) 2009.
   7  * @brief
   8  * @see        The GNU Public License (GPL) Version 3
   9  * @defgroup
  10  * @{
  11  *
  12  *****************************************************************************/
  13 /*
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 3 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful, but
  20  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  21  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  22  * for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License along
  25  * with this program; if not, write to the Free Software Foundation, Inc.,
  26  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  27  */
  28
  29 #include "qtsingleapplication.h"
  30 #include "qtlocalpeer.h"
  31
  32 #include <QWidget>
  33 #include <QFileOpenEvent>
  34
  35 namespace SharedTools {
  36 void QtSingleApplication::sysInit(const QString &appId)
  37 {
  38     actWin = 0;
  39     peer   = new QtLocalPeer(this, appId);
  40     connect(peer, SIGNAL(messageReceived(const QString &)), SIGNAL(messageReceived(const QString &)));
  41 }
  42
  43
  44 QtSingleApplication::QtSingleApplication(int &argc, char * *argv, bool GUIenabled)
  45     : QApplication(argc, argv, GUIenabled)
  46 {
  47     sysInit();
  48 }
  49
  50
  51 QtSingleApplication::QtSingleApplication(const QString &appId, int &argc, char * *argv)
  52     : QApplication(argc, argv)
  53 {
  54     sysInit(appId);
  55 }
  56
  57 #if defined(Q_WS_X11)
  58 QtSingleApplication::QtSingleApplication(Display *dpy, Qt::HANDLE visual, Qt::HANDLE colormap)
  59     : QApplication(dpy, visual, colormap)
  60 {
  61     sysInit();
  62 }
  63
  64 QtSingleApplication::QtSingleApplication(Display *dpy, int &argc, char * *argv, Qt::HANDLE visual, Qt::HANDLE cmap)
  65     : QApplication(dpy, argc, argv, visual, cmap)
  66 {
  67     sysInit();
  68 }
  69
  70 QtSingleApplication::QtSingleApplication(Display *dpy, const QString &appId,
  71                                          int argc, char * *argv, Qt::HANDLE visual, Qt::HANDLE colormap)
  72     : QApplication(dpy, argc, argv, visual, colormap)
  73 {
  74     sysInit(appId);
  75 }
  76 #endif
  77
  78 bool QtSingleApplication::event(QEvent *event)
  79 {
  80     if (event->type() == QEvent::FileOpen) {
  81         QFileOpenEvent *foe = static_cast<QFileOpenEvent *>(event);
  82         emit fileOpenRequest(foe->file());
  83         return true;
  84     }
  85     return QApplication::event(event);
  86 }
  87
  88 bool QtSingleApplication::isRunning()
  89 {
  90     return peer->isClient();
  91 }
  92
  93
  94 bool QtSingleApplication::sendMessage(const QString &message, int timeout)
  95 {
  96     return peer->sendMessage(message, timeout);
  97 }
  98
  99
 100 QString QtSingleApplication::id() const
 101 {
 102     return peer->applicationId();
 103 }
 104
 105
 106 void QtSingleApplication::setActivationWindow(QWidget *aw, bool activateOnMessage)
 107 {
 108     actWin = aw;
 109     if (activateOnMessage) {
 110         connect(peer, SIGNAL(messageReceived(QString)), this, SLOT(activateWindow()));
 111     } else {
 112         disconnect(peer, SIGNAL(messageReceived(QString)), this, SLOT(activateWindow()));
 113     }
 114 }
 115
 116
 117 QWidget *QtSingleApplication::activationWindow() const
 118 {
 119     return actWin;
 120 }
 121
 122
 123 void QtSingleApplication::activateWindow()
 124 {
 125     if (actWin) {
 126         actWin->setWindowState(actWin->windowState() & ~Qt::WindowMinimized);
 127         actWin->raise();
 128         actWin->activateWindow();
 129     }
 130 }
 131 } // namespace SharedTools