Re: [Interest] Q_PROPERTY notification across processes?

2013-05-19 Thread Stephen Kelly
On Sunday, May 19, 2013 13:07:50 Charley Bay wrote: If I get it working (seems do-able), I might be able to contribute the code to the Qt community (in the event the Community thinks it to be non-stupid as an approach). -- I was just curious if anybody had this idea already, or (better-yet)

Re: [Interest] Q_PROPERTY notification across processes?

2013-05-19 Thread Mandeep Sandhu
Suggestions in this thread (I'm researching further now): - MPI (Arne suggested) - QtDBus (Tony suggested) - zeromp (Yves suggested) - QxtRpc (Alex suggested) Interesting!! I was unaware of zeromp, hadn't looked into MPI, and didn't think about QxtRpcService. (I have lots of reading

Re: [Interest] Q_PROPERTY notification across processes?

2013-05-18 Thread Mandeep Sandhu
On Fri, May 17, 2013 at 8:40 PM, Thomas Sondergaard t...@medical-insight.comwrote: On 17-05-2013 11:42, Mandeep Sandhu wrote: On Fri, May 17, 2013 at 9:55 AM, Constantin Makshin cmaks...@gmail.com mailto:cmaks...@gmail.com wrote: Charley said that in most cases his applications

Re: [Interest] Q_PROPERTY notification across processes?

2013-05-17 Thread Arne Dirks
Hello Charley, this sounds like an interesting thing to code! I think your basic design ideas are sound, i.e. have a dispatcher on both ends that connect to each other in some way and exchange information using a not too complicated protocol. Some questions/points to consider: - do you need

Re: [Interest] Q_PROPERTY notification across processes?

2013-05-17 Thread Yves Bailly
Le 17/05/2013 03:27, Charley Bay a écrit : I have a C++ QObject-derived class that exposes properties for use in QML, works fine (Qt5). WHAT I WANT: I would like to instantiate an instance of this class in each of two processes, where changes in one notifies the other (in the other

Re: [Interest] Q_PROPERTY notification across processes?

2013-05-17 Thread alexander golks
Am Fri, 17 May 2013 08:16:36 +0200 schrieb Yves Bailly yves.bai...@sescoi.fr: Le 17/05/2013 03:27, Charley Bay a écrit : I have a C++ QObject-derived class that exposes properties for use in QML, works fine (Qt5). WHAT I WANT: I would like to instantiate an instance of this class in

Re: [Interest] Q_PROPERTY notification across processes?

2013-05-17 Thread Mandeep Sandhu
On Fri, May 17, 2013 at 9:55 AM, Constantin Makshin cmaks...@gmail.comwrote: Charley said that in most cases his applications will be run on different computers, so D-Bus won't help him since it doesn't work over network. DBus can work over the network. You just need a to specify a network

Re: [Interest] Q_PROPERTY notification across processes?

2013-05-17 Thread Thomas Sondergaard
On 17-05-2013 11:42, Mandeep Sandhu wrote: On Fri, May 17, 2013 at 9:55 AM, Constantin Makshin cmaks...@gmail.com mailto:cmaks...@gmail.com wrote: Charley said that in most cases his applications will be run on different computers, so D-Bus won't help him since it doesn't work

Re: [Interest] Q_PROPERTY notification across processes?

2013-05-17 Thread Constantin Makshin
Oh, yes, you're right. I was confused by the Introduction to D-Bus section of the D-Bus web site, probably some parts of it are too outdated. Sorry for spreading that confusion. :-) On May 17, 2013 1:42 PM, Mandeep Sandhu mandeepsandhu@gmail.com wrote: On Fri, May 17, 2013 at 9:55 AM,

Re: [Interest] Q_PROPERTY notification across processes?

2013-05-16 Thread Constantin Makshin
If these processes will be on different systems, then I doubt that you have any choice. :-) On May 17, 2013 5:27 AM, Charley Bay charleyb...@gmail.com wrote: I have a C++ QObject-derived class that exposes properties for use in QML, works fine (Qt5). WHAT I WANT: I would like to instantiate

Re: [Interest] Q_PROPERTY notification across processes?

2013-05-16 Thread Tony Rietwyk
Hi Charley, You didn't say which type of systems this will be running on? What about QtDBus using a direct connection between the applications, instead of the system-wide bus? Even if that doesn't work for you, it has solved many of the same problems, and needed over 20,000 lines

Re: [Interest] Q_PROPERTY notification across processes?

2013-05-16 Thread Constantin Makshin
Charley said that in most cases his applications will be run on different computers, so D-Bus won't help him since it doesn't work over network. On May 17, 2013 8:01 AM, Tony Rietwyk t...@rightsoft.com.au wrote: Hi Charley, ** ** You didn't say which type of systems this will be running