Have a look at SingleApplication on GitHub. https://github.com/itay-grudev/SingleApplication
Thanks, Dan On Tue, Apr 17, 2018 at 1:51 PM, John Weeks <j...@wavemetrics.com> wrote: > We derive our application from QtSingleApplication (it derives from > QApplication). We acquired the code some time ago, no doubt URLs have > changed since then... We are presently using Qt 5.9.5. I had compile errors > when I first downloaded it, described in https://bugreports.qt.io/ > browse/QTSOLBUG-171. I see this in my bug report: > > I cloned it from http://qt.gitorious.org/qt-solutions August 6, 2013. > > Five years later it's still working for us. > > -John Weeks > > > On Apr 17, 2018, at 5:26 AM, Samuel Gaist <samuel.ga...@edeltech.ch> > wrote: > > > > > >> On 17 Apr 2018, at 12:33, Hamish Moffatt <ham...@risingsoftware.com> > wrote: > >> > >> Is there any support built-in for making an application a singleton (ie > you can't launch multiple instances), or does anyone have a recipe? > >> > >> I'd actually like a second launch to signal the first, passing on any > parameters, much like the web browsers do. (eg link clicked from an > application creates new tab in existing browser instance.). > >> > >> I need this to work on Windows and Mac. > >> > >> > >> Hamish > >> > >> _______________________________________________ > >> Interest mailing list > >> Interest@qt-project.org > >> http://lists.qt-project.org/mailman/listinfo/interest > > > > > > Hi, > > > > Just in case, the qtsolution module is available at > http://code.qt.io/cgit/qt-solutions/qt-solutions.git/ with build fixes > for Qt 5. > > > > The QtSingleApplication module is working with Qt 5. However it doesn’t > provide support for QGuiApplication but it’s not hard to add it if needed. > > > > Cheers > > Samuel > > _______________________________________________ > > Interest mailing list > > Interest@qt-project.org > > http://lists.qt-project.org/mailman/listinfo/interest > > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest >
_______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest
