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From: "Kazu" <kazoo@r3.dion.ne.jp>
Subject: [Qemu-devel] AltGr key for Windows host
Date: Sun, 22 Oct 2006 13:53:50 +0900
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To: qemu-devel@nongnu.org

Hi,

I made German language environment on Windows XP Japanese host.
I investigated a problem of AltGr key.

If you have a German keyboard, please use this binary and tell me the data
which is displayed on console window when AltGr key is pressed.

I want to know the results for both SDL_VIDEODRIVER=windib and
SDL_VIDEODRIVER=directx.

http://www.h6.dion.ne.jp/~kazuw/qemu-win/qemu-20061020-keyboard.zip

These are reference outputs. When SDL_VIDEODRIVER=windib, an event that left
ctrl key is pressed is added to the event right alt is pressed.
------------------------
OS ver = 5.1  0.0.2600  Keyboard = 7, 0   Layout = 0x04070407
LayoutName = 00000407
key = 0x132 key name = left ctrl PRESSED
sdl_process_key: keycode = 0x1d
------------------------
OS ver = 5.1  0.0.2600  Keyboard = 7, 0   Layout = 0x04070407
LayoutName = 00000407
key = 0x133 key name = right alt PRESSED
sdl_process_key: keycode = 0xb8
------------------------
OS ver = 5.1  0.0.2600  Keyboard = 7, 0   Layout = 0x04070407
LayoutName = 00000407
key = 0x132 key name = left ctrl RELEASED
sdl_process_key: keycode = 0x1d
------------------------
OS ver = 5.1  0.0.2600  Keyboard = 7, 0   Layout = 0x04070407
LayoutName = 00000407
key = 0x133 key name = right alt RELEASED
sdl_process_key: keycode = 0xb8

When SDL_VIDEODRIVER=directx, only right alt key event is made.
------------------------
OS ver = 5.1  0.0.2600  Keyboard = 7, 0   Layout = 0x04070407
LayoutName = 00000407
key = 0x133 key name = right alt PRESSED
sdl_process_key: keycode = 0xb8
------------------------
OS ver = 5.1  0.0.2600  Keyboard = 7, 0   Layout = 0x04070407
LayoutName = 00000407
key = 0x133 key name = right alt RELEASED
sdl_process_key: keycode = 0xb8


There is a duscussion about alt-ctrl.
http://blogs.msdn.com/oldnewthing/archive/2004/03/29/101121.aspx

Regards,
Kazu