Running virt-viewer-x64-0.5.6.msi, on Windows 7, connecting to QEMU using spice, AltGR key combinations fails (using Swedish keyboard layout both at server and client).
I suspect that this is a variant of https://bugzilla.redhat.com/show_bug.cgi?id=904092.
After some debugging, I realized that there is an extra VK_LCONTROL keypress sent by Windows. This extra VK_LCONTROL will then make the key e.g. AltGr-< actually be Control-AltGr-<, which is not interpreted as a | sign.
So in spice-widget.c : keyboard_hook_cb(), I added SPICE_DEBUG lines which printed out the hooked->scanCode, and realized that this extra VK_LCONTROL has a very suspect scanCode with bit 9 set. If I instead press the left Ctrl key, it will also emit VK_LCONTROL, but with bit 9 cleared.
So I just made sure that keyboard_hook_cb(), silently dropped these strange VK_LCONTROL events, which seems to work for me.
case VK_NUMLOCK:
case VK_LSHIFT:
case VK_RSHIFT:
- case VK_LCONTROL:
case VK_RCONTROL:
case VK_LMENU:
case VK_RMENU:
break;
+ case VK_LCONTROL:
+ // When pressing AltGr, an extra VK_LCONTROL with a special scancode with bit 9 set is sent.
+ // Lets ignore the extra VK_LCONTROL, as that will make AltGr missbehave.
+ if (hooked->scanCode & 0x200)
+ return 1;
+ break;
default:
SendMessage(win32_window, wparam, hooked->vkCode, dwmsg);
return 1;
}
/Mattias
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