1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). 4 ** Contact: http://www.qt-project.org/legal 5 ** 6 ** This file is part of the Qt Solutions component. 7 ** 8 ** $QT_BEGIN_LICENSE:BSD$ 9 ** You may use this file under the terms of the BSD license as follows: 10 ** 11 ** "Redistribution and use in source and binary forms, with or without 12 ** modification, are permitted provided that the following conditions are 13 ** met: 14 ** * Redistributions of source code must retain the above copyright 15 ** notice, this list of conditions and the following disclaimer. 16 ** * Redistributions in binary form must reproduce the above copyright 17 ** notice, this list of conditions and the following disclaimer in 18 ** the documentation and/or other materials provided with the 19 ** distribution. 20 ** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names 21 ** of its contributors may be used to endorse or promote products derived 22 ** from this software without specific prior written permission. 23 ** 24 ** 25 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 26 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 27 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 28 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 29 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 30 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 31 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 35 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." 36 ** 37 ** $QT_END_LICENSE$ 38 ** 39 ****************************************************************************/ 40 41 #ifndef QTSINGLEAPPLICATION_H 42 #define QTSINGLEAPPLICATION_H 43 44 #include <QApplication> 45 46 class QtLocalPeer; 47 48 #if defined(Q_OS_WIN) 49 # if !defined(QT_QTSINGLEAPPLICATION_EXPORT) && !defined(QT_QTSINGLEAPPLICATION_IMPORT) 50 # define QT_QTSINGLEAPPLICATION_EXPORT 51 # elif defined(QT_QTSINGLEAPPLICATION_IMPORT) 52 # if defined(QT_QTSINGLEAPPLICATION_EXPORT) 53 # undef QT_QTSINGLEAPPLICATION_EXPORT 54 # endif 55 # define QT_QTSINGLEAPPLICATION_EXPORT __declspec(dllimport) 56 # elif defined(QT_QTSINGLEAPPLICATION_EXPORT) 57 # undef QT_QTSINGLEAPPLICATION_EXPORT 58 # define QT_QTSINGLEAPPLICATION_EXPORT __declspec(dllexport) 59 # endif 60 #else 61 # define QT_QTSINGLEAPPLICATION_EXPORT 62 #endif 63 64 class QT_QTSINGLEAPPLICATION_EXPORT QtSingleApplication : public QApplication 65 { 66 Q_OBJECT 67 68 public: 69 QtSingleApplication(int &argc, char **argv, bool GUIenabled = true); 70 QtSingleApplication(const QString &id, int &argc, char **argv); 71 #if QT_VERSION < 0x050000 72 QtSingleApplication(int &argc, char **argv, Type type); 73 # if defined(Q_WS_X11) 74 QtSingleApplication(Display* dpy, Qt::HANDLE visual = 0, Qt::HANDLE colormap = 0); 75 QtSingleApplication(Display *dpy, int &argc, char **argv, Qt::HANDLE visual = 0, Qt::HANDLE cmap= 0); 76 QtSingleApplication(Display* dpy, const QString &appId, int argc, char **argv, Qt::HANDLE visual = 0, Qt::HANDLE colormap = 0); 77 # endif // Q_WS_X11 78 #endif // QT_VERSION < 0x050000 79 80 bool isRunning(); 81 QString id() const; 82 83 void setActivationWindow(QWidget* aw, bool activateOnMessage = true); 84 QWidget* activationWindow() const; 85 86 // Obsolete: 87 void initialize(bool dummy = true) 88 { isRunning(); Q_UNUSED(dummy) } 89 90 public Q_SLOTS: 91 bool sendMessage(const QString &message, int timeout = 5000); 92 void activateWindow(); 93 94 95 Q_SIGNALS: 96 void messageReceived(const QString &message); 97 98 protected: 99 bool event(QEvent * event) override; 100 101 private: 102 void sysInit(const QString &appId = QString()); 103 QtLocalPeer *peer; 104 QWidget *actWin; 105 }; 106 107 #endif // QTSINGLEAPPLICATION_H 108