On Wed, Oct 16, 2013 at 7:15 AM, <dietmar@xxxxxxxxxxx> wrote: > This version adds code to directly forward keysmys to vdagent, which then > tries to inject keysyms into X11. > > That way you always have correct input characters even if VM and > client do not share the same keymap! > > Experiemts showed that is quite useful, but very difficult to > implement correctly with current X11/linux. > > I just send this to the list to archive the work I have done so far. > Marc already expressed that he do like the current patches, so I will > rewrite them and post v3 soon. Yes, but I have concerns that you should address or justify. > Description from v1: > > The SPICE input channel currently only sends scancodes. Thus the > server does not know what character was pressed (server does not know > the client keymap). > > But Some SPICE applications want to use the keymap from the client > side, and work directly with UTF input characters (for example the > 'spiceterm' terminal emulator). The current scancode values cannot be > used for such applications. > > Unfortunately, we cannot use UTF directly, because the UTF character > set miss all special keyboard keys like function-keys. So this patch > uses X11/gdk keyboard symbols (keysyms) instead (VNC clients also use > that, so this makes it easy to move from VNC to SPICE). Many frameworks > provide functions to translate keysyms to unicode > (gdk_keyval_to_unicode, XKeySymToWideChar, ...) > > Another use case for this protocol extension is to generate scancodes > at server side. This is useful when there is no way to get scancodes on > the client side (HTML5/javascript/java clients). Qemu already has code > to do that with the VNC input channel, so it would be easy to reuse > that code. > > Changelog for v2: > > * fix compiler warnings > > * add code to directly forward keysmys to vdagent, which then > tries to inject keysyms into X11. > > _______________________________________________ > Spice-devel mailing list > Spice-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/spice-devel -- Marc-André Lureau _______________________________________________ Spice-devel mailing list Spice-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/spice-devel