[Uml-devel] [Bug 283748] Umbrello be run headless to export diagrams

[Ralf Habacker]

https://bugs.kde.org/show_bug.cgi?id=283748

--- Comment #2 from Ralf Habacker <ralf.habacker at gmail.com> ---
(In reply to comment #1)
> (In reply to comment #0)
> > Version:           unspecified (using KDE 4.5.5) 
> > OS:                Linux
> > 
> > Umbrello cannot be run on a headless machine to export diagrams because it
> > appears that it needs the X server, even in the absence of the GUI. I've
> > observed this happening when shelling into another machine and running the
> > following command remotely.
> > 
> > Reproducible: Didn't try
> > 
> > Steps to Reproduce:
> > $ umbrello --export svg Project.xmi
> > 
> > Actual Results:  
> > umbrello: cannot connect to X server
> > 
> At a first look there as some obvious reasons for this:
> 1. in main.cpp KApplication is created always with Gui enabled - this is
> easy to fix
> 2. UMLApp uses several objects like the QPrinter object, which creates a
> QWidget object. It looks they depend on an X-Server. The question is if it
> is possible to avoid such object creations or if not if it is possible to
> use some memory based gui output device to avoid the x-server dependency.

At a second look: UMLApp depends on KXmlGuiWindow, which initialisation raises
an error  'QWidget: Cannot create a QWidget when no GUI is being used'  in the
constructor

UMLApp::UMLApp(QWidget* parent)
->  : KXmlGuiWindow(parent),




 which initialisation 
 : KXmlGuiWindow(parent),

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