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xen-devel
Re: [Xen-devel] [PATCH] Paravirt framebuffer backend tools [2/5]
> >>>--- /dev/null Thu Jan 01 00:00:00 1970 +0000
> >>>+++ b/tools/xenfb/keymapping.c Sat Sep 02 15:19:25 2006 -0400
> >>>@@ -0,0 +1,141 @@
> >>>+#include <stdint.h>
> >>>+#include <gdk/gdkkeysyms.h>
> >>>+#include <linux/input.h>
> >>>+
> >>>+uint32_t gdk_linux_mapping[0x10000] = {
> >>>+ [GDK_a] = KEY_A,
> >>>
> >>This is kind of ugly. Is there any chance it could be autogenerated?
> >>Also, where did 0x10000 come from?
> >>
> >>Also, depending on GTK just for the keymap table is a real pain. Or
> >>is it already required for libvncserver?
> >>
> >
> >libvncserver requires GTK. And I don't know that there's really any
> >good way to auto-generate it unfortunately. I somehow expect that
> >0x10000 came from "it'll be big enough" but Anthony would have to
> >confirm :-)
> That's the biggest that a GDK scan code can currently be.
Do you have a reference for that? Could the table grow in the future?
Steven
(who just spent a whole day tracking down a bug which turned out to be
an undersized lookup table combined with a lack of bounds checking)
> That way, we can use a simple indexed table.
>
> Regards,
>
> Anthony Liguori
>
> >The mappings are unfortunately a bit of a fact of life since we have to
> >convert from what the X layer gets to what the kernel expects. And the
> >two couldn't be farther from the same. And then it's even more fun when
> >toolkits get involved.
> >
>
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