Re: [Spice-devel] [PATCH] Disable IME to allow receiving all keys

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On 04/20/16 23:29, Frediano Ziglio-san wrote:

My understanding is, Virt-Viewer with ImmDisableIME(-1) can send key events
even if the title bar is focused when IME is enabled.
I attached the screenshot of the problem when ImmDisableIME(-1) is not
applied.
https://bugzilla.redhat.com/show_bug.cgi?id=1311858#c42

But spice-gtk can receives all the key events and if ImmDisableIME(-1) is
applied, users cannot switch IMEs during running Virt-Viewer.
I tested native client with Internet Explorer 10 in Windows 7 and I couldn't
see any other differences when ImmDisableIME(-1) is applied.

If ImmDisableIME(-1) fixes only when the title bar is focused, I'd think the
customer's bug is different and Virt-Viewer without ImmDisableIME(-1)
might be more useful because it can switch IMEs during running Virt-Viewer.
I asked the customer if all the bugs can be fixed without ImmDisableIME(-1).

Thanks,
Fujiwara


From my point of view is an improvement and fix a bug.

However we are not Japanese users and perhaps we don't get your point.
Can you explain a bit the user case issues having this patch in?

If the patch is applied, when the user launch remote-viewer.exe, Windows does not show the keyboard status icon on the Windows task bar and users are hard to find which keyboard is used with remote-viewer.exe.

Thanks,
Fujiwara


Frediano


On 04/19/16 23:31, Fabiano Fidêncio-san wrote:
On Tue, Apr 19, 2016 at 4:11 PM, Fabiano Fidêncio <fabiano@xxxxxxxxxxxx>
wrote:
On Tue, Apr 19, 2016 at 4:00 PM, Frediano Ziglio <fziglio@xxxxxxxxxx>
wrote:

On Tue, Apr 19, 2016 at 3:28 PM, Pavel Grunt <pgrunt@xxxxxxxxxx> wrote:
Ack, I am going to push it.

Do we really need this patch upstream?
It's a half-solution, at most, that doesn't work on newer Windows.


Are you referring to Window 11? It works on Windows 10.

Hmm. I was basing my comment on
https://bugzilla.redhat.com/show_bug.cgi?id=1297640#c12 but I didn't
realize your comment
https://bugzilla.redhat.com/show_bug.cgi?id=1297640#c13

So, yeah, you have my ACK as well, but a better/more descriptive
commit message is needed.


Patch got applied already, so, nevermind.


Frediano

Also, a better commit message would be more than appreciated in case
we really decide to have it upstream.


Thanks,
Pavel

On Mon, 2016-04-18 at 14:55 +0100, Frediano Ziglio wrote:
From: Christophe Fergeau <cfergeau@xxxxxxxxxx>

This fixes https://bugzilla.redhat.com/show_bug.cgi?id=1297640

Acked-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
   src/virt-viewer-util.c | 7 +++++++
   1 file changed, 7 insertions(+)

diff --git a/src/virt-viewer-util.c b/src/virt-viewer-util.c
index 279f9a5..8cf52ec 100644
--- a/src/virt-viewer-util.c
+++ b/src/virt-viewer-util.c
@@ -30,6 +30,7 @@
   #ifdef G_OS_WIN32
   #include <windows.h>
   #include <io.h>
+#include <imm.h>
   #endif

   #include <sys/types.h>
@@ -272,6 +273,12 @@ void virt_viewer_util_init(const char *appname)
           dup2(fileno(stdout), STDOUT_FILENO);
           dup2(fileno(stderr), STDERR_FILENO);
       }
+
+    /* Disable input method handling so that the Zenkaku_Hankaku can
be passed
+     * to VMs rather than being captured by Windows.
+     * https://bugzilla.redhat.com/show_bug.cgi?id=1297640
+     */
+    ImmDisableIME(-1);
   #endif

       setlocale(LC_ALL, "");
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--
Fabiano Fidêncio




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