[Qt-qml] Best way to update QML display based on external input via TCP socket?

[John Vilburn]

Matthias,

The documentation for Qt 4.6.2 does not mention a NOTIFY section for Q_PROPERTY. Is this new to 4.7?

Thanks,
John

On Apr 15, 2010, at 10:37 AM, <matthias.ettrich at nokia.com> <matthias.ettrich at nokia.com> wrote:

> 
> The dynamic parts of the UI should be build entirely based  on properties provided by the CodeBehind. If those properties are notifyable (i.e. the Q_PROPERTY macro contains a NOTIFY section), then the UI will update itself.
> 
> A less pretty and less declarative way would be to emit a signal from CodeBehind, and then have a signal handler in QML react to it imperatively. But that would be old school. QML's property bindings are waaaaay more elegant. 
> 
> Matthias
> ________________________________________
> From: qt-qml-bounces at trolltech.com [qt-qml-bounces at trolltech.com] On Behalf Of ext Peter Matuchniak [pmatuchniak at imsco-us.com]
> Sent: Thursday, April 15, 2010 8:37 PM
> To: qt-qml at trolltech.com
> Subject: [Qt-qml] Best way to update QML display based on external input via TCP socket?
> 
> Hello
> 
> I have a Qt main application that does the following (with my descriptions in parentheses):
> 
> -          Displays a QML user interface (the “UI”)
> 
> -          Handles user events in a C++ class (the “CodeBehind”)
> 
> -          Listens on a TCP socket for external input (the “Listener”)
> 
> Here’s my question:
> 
> -          What is the best way for the Listener to cause some update in the UI to occur when the Listener receives some external command via TCP
> 
> Note:
> 
> -          I already have the Listener functioning and receiving commands
> 
> -          I already have the CodeBehind acting upon input from the UI
> 
> -          What I need is to have a way to affect the UI from the Listener
> 
> Kind regards
> Peter
> 
> 
> 
> __________________________________________________________________
> 
> This email and any files transmitted with it are confidential & proprietary to Systems and
> Software Enterprises, Inc. (dba IMS). This information is intended solely for the use of
> the individual or entity to which it is addressed. Access or transmittal of the information
> contained in this e-mail, in full or in part, to any other organization or persons is not
> authorized.
> 
> __________________________________________________________________
> 
> 
> 
> 
> 
> 
> _______________________________________________
> Qt-qml mailing list
> Qt-qml at trolltech.com
> http://lists.trolltech.com/mailman/listinfo/qt-qml