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From: | Anthony Liguori |
Subject: | [Qemu-devel] Re: [RFC] qemu-gui based on wxWidgets and libvncclient |
Date: | Sun, 15 Oct 2006 22:56:01 -0500 |
User-agent: | Thunderbird 1.5.0.7 (X11/20060918) |
Marc André Tanner wrote:
Hi, During the last few weeks i was playing around with the idea to implement a GUI for qemu and so this is what i came up with.
Cool. You should checkout virt-manager. It has much the same mission as what you describe.
Since i am still pretty new to C/C++ development (in fact i would call this my first real world C++ application) and not familiar with qemu internals i decided to implement the GUI independent of qemu itself. So from a technically point of view i just call qemu with arguments to redirect the monitor to stdio and to export the display to vnc (-monitor stdio -vnc display). I then try to capture and embed the vnc display within the GUI that's where libvncclient[1] comes in.
I have no experience with libvncclient. I think the general idea of using VNC to create an external QEMU GUI is a good one. Previously, I had posted some patches for a shmem GUI that used a custom control channel. After hacking on that for a little bit based on some feedback, I've come full circle and am now under the view that extending VNC is a better long term approach.
So, I've reserved some pseudo-encodings and a client message type and am now working on some VNC extensions to enable better QEMU integration.
My current client code is available at: http://hg.codemonkey.ws/vnc-gui/ The VNC extensions are still a work in progress but documentation is here: http://tocm.wikidot.com/vncextensions Regards, Anthony Liguori
It's this last step which doesn't yet work as expected. It is extremely slow and/or crashes after some time. But since i am not that experienced in both multi threaded gui and wxWidgets programming i am stuck. So i hope someone from the list can help me here, the two most important files for this issue are vncpanel.cpp and vncdisplaythread.cpp.My current development snapshot can be found at http://www.brain-dump.org/projects/qemu-gui/doku.php/downloadbut don't expect it to actually work it's still buggy and in pre alpha state. Any comments, ideas, patches and so on are highly appreciated. At this point i would like to thank Johannes Schindelin for his help with the integration of libvncclient. Thanks, Marc [1] http://libvncserver.sourceforge.net/
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