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[GH-ISSUE #626] The mode change keystroke of Japanese IME is ignored in the environment using US keyboard #493

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opened 2026-05-05 06:32:09 -06:00 by gitea-mirror · 1 comment

gitea-mirror commented

2026-05-05 06:32:09 -06:00

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Originally created by @zodiaq on GitHub (Apr 16, 2020).
Original GitHub issue: https://github.com/debauchee/barrier/issues/626

Operating Systems

Server: Windows 10 Pro 1909 (Version 10.0.18363.778)
Client: Windows 10 Pro 1909 (Version 10.0.18363.778)

US keyboard, Japanese language pack and IME for both PC.

Barrier Version

2.3.2-snapshot-210c2b70

Steps to reproduce bug

Steps:

Move the mouse to the client side
Open an editor or something that allows you to enter characters.
Press " Alt + ` ". This is the default keystroke for toggle between IME modes.

Expectation:

IME mode is toggled in the client side.

Actual:

Nothing is going to happen.

Other info

In the server side, these key codes generated when I presed " Alt + ` " (Alt + backquote).

Date	vkCode	ScanCode	extendedKey	event-injected	contextCode	transition-state	Time	SymbolicConstant
18:53.9	164	56	FALSE	FALSE	TRUE	FALSE	98537328	VK_LMENU
18:54.0	25	41	FALSE	FALSE	TRUE	FALSE	98537468	VK_KANJI
18:54.2	25	41	FALSE	FALSE	TRUE	TRUE	98537593	VK_KANJI
18:54.3	164	56	FALSE	FALSE	FALSE	TRUE	98537703	VK_LMENU

VK_KANJI was generated when I pressed " ` " (backquote) with pressing "Alt" prior.

When you press " ` " (backquote) only, VK_OEM_3 is generated .

Date	vkCode	ScanCode	extendedKey	event-injected	contextCode	transition-state	Time	dwExtraInfo	SymbolicConstant
18:48.9	192	41	FALSE	FALSE	FALSE	TRUE	98532281	0	VK_OEM_3

When I pressed " Alt + ` " in the client side same way , these key strokes generated;

Date	vkCode	ScanCode	extendedKey	event-injected	contextCode	transition-state	Time	SymbolicConstant
19:00.2	164	56	FALSE	TRUE	TRUE	FALSE	222083390	VK_LMENU
19:00.3	243	95	FALSE	TRUE	TRUE	FALSE	222083500	VK_OEM_AUTO
19:00.4	243	95	FALSE	TRUE	TRUE	TRUE	222083640	VK_OEM_AUTO
19:00.5	164	56	FALSE	TRUE	FALSE	TRUE	222083718	VK_LMENU

VK_KANJI is a trigger to change the mode of IME, but it seems that another code (VK_OEM_AUTO) is generated in the client side.
I don't know whether this problem is of Barrier or a limitation by the OS.

https://github.com/symless/synergy-core/issues/6639

Originally created by @zodiaq on GitHub (Apr 16, 2020). Original GitHub issue: https://github.com/debauchee/barrier/issues/626 ### Operating Systems ### Server: Windows 10 Pro 1909 (Version 10.0.18363.778) Client: Windows 10 Pro 1909 (Version 10.0.18363.778) US keyboard, Japanese language pack and IME for both PC. ### Barrier Version ### 2.3.2-snapshot-210c2b70 ### Steps to reproduce bug ### Steps: 1. Move the mouse to the client side 2. Open an editor or something that allows you to enter characters. 3. Press " Alt + ` ". This is the default keystroke for toggle between IME modes. Expectation: - IME mode is toggled in the client side. Actual: - Nothing is going to happen. ### Other info ### In the server side, these key codes generated when I presed " Alt + ` " (Alt + backquote). Date | vkCode | ScanCode | extendedKey | event-injected | contextCode | transition-state | Time | dwExtraInfo | SymbolicConstant -- | -- | -- | -- | -- | -- | -- | -- | -- | -- 18:53.9 | 164 | 56 | FALSE | FALSE | TRUE | FALSE | 98537328 | 0 | VK_LMENU 18:54.0 | 25 | 41 | FALSE | FALSE | TRUE | FALSE | 98537468 | 0 | VK_KANJI 18:54.2 | 25 | 41 | FALSE | FALSE | TRUE | TRUE | 98537593 | 0 | VK_KANJI 18:54.3 | 164 | 56 | FALSE | FALSE | FALSE | TRUE | 98537703 | 0 | VK_LMENU VK_KANJI was generated when I pressed " ` " (backquote) with pressing "Alt" prior. When you press " ` " (backquote) only, VK_OEM_3 is generated . Date | vkCode | ScanCode | extendedKey | event-injected | contextCode | transition-state | Time | dwExtraInfo | SymbolicConstant -- | -- | -- | -- | -- | -- | -- | -- | -- | -- 18:48.9 | 192 | 41 | FALSE | FALSE | FALSE | TRUE | 98532281 | 0 | VK_OEM_3 When I pressed " Alt + ` " in the client side same way , these key strokes generated; Date | vkCode | ScanCode | extendedKey | event-injected | contextCode | transition-state | Time | dwExtraInfo | SymbolicConstant -- | -- | -- | -- | -- | -- | -- | -- | -- | -- 19:00.2 | 164 | 56 | FALSE | TRUE | TRUE | FALSE | 222083390 | 0 | VK_LMENU 19:00.3 | 243 | 95 | FALSE | TRUE | TRUE | FALSE | 222083500 | 0 | VK_OEM_AUTO 19:00.4 | 243 | 95 | FALSE | TRUE | TRUE | TRUE | 222083640 | 0 | VK_OEM_AUTO 19:00.5 | 164 | 56 | FALSE | TRUE | FALSE | TRUE | 222083718 | 0 | VK_LMENU VK_KANJI is a trigger to change the mode of IME, but it seems that another code (VK_OEM_AUTO) is generated in the client side. I don't know whether this problem is of Barrier or a limitation by the OS. https://github.com/symless/synergy-core/issues/6639

gitea-mirror commented

2026-05-05 06:32:12 -06:00

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@github-actions[bot] commented on GitHub (Sep 24, 2020):

This issue has been automatically marked as stale due to inactivity. It will be closed if no further activity occurs. Thank you for your contributions.

@github-actions[bot] commented on GitHub (Sep 24, 2020): This issue has been automatically marked as stale due to inactivity. It will be closed if no further activity occurs. Thank you for your contributions.

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