[Uim-bugs] [Bug 7532] Input method toggle causes an infinite loop

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https://bugs.freedesktop.org/show_bug.cgi?id=7532          
     




------- Additional Comments From ekato at ees.hokudai.ac.jp  2006-07-18 11:19 -------
I got more meaningful backtrace.

ERROR: wta to car (errobj action_anthy_direct)

*backtrace*
>>(car elm)
>>(pred elm)
>>(pred elm)
>>(if (pred elm) (cons elm state) state)
>>(#<CLOSURE (state elms) (if (null? elms) (cons 1 (reverse state))
(let-internal (elm) ((car elms)) (cons () (if (pred elm) (cons elm state)
state))))> (quote ()) (quote (action_anthy_direct)))
>>(widgets-refresh-switcher-widget alt-widgets ctx)
>>(if toggle-state (let-internal (alt-widgets) ((toggle-state-widget-states
toggle-state)) (toggle-state-set-widget-states! toggle-state
(widgets-refresh-switcher-widget alt-widgets ctx))))
>>(let-internal (toggle-state widgets) ((context-toggle-state ctx)
(context-widgets ctx)) (begin (context-set-widgets! ctx
(widgets-refresh-switcher-widget widgets ctx)) (if toggle-state (let-internal
(alt-widgets) ((toggle-state-widget-states toggle-state))
(toggle-state-set-widget-states! toggle-state (widgets-refresh-switcher-widget
alt-widgets ctx)))) (if (context-focused? ctx)
(context-propagate-widget-configuration ctx))))
>>((cdr pair))
>>(custom-reload-user-configs)


And if I changes im-custom.scm, toggle im between latin-IM and Anthy with 
"Enable menu-based input method switcher" #f doesn't seem to cause the problem.
But I'm not sure this is proper fix.

--- im-custom.scm       (revision 3751)
+++ im-custom.scm       (working copy)
@@ -347,7 +347,9 @@
        (require "im-switcher.scm"))
     ;; Since context-list is empty on start-up, imsw-register-widget
     ;; is not called here.
-    (if (symbol-bound? 'context-refresh-switcher-widget!)
+    (if (and
+         (symbol-bound? 'context-refresh-switcher-widget!)
+         toolbar-show-action-based-switcher-button?)
        (for-each context-refresh-switcher-widget!
                  context-list))))


BTW, I found another problem.  

1 Start a application with following setting.

  "Enable menu-based input method switcher" #f 
  "Specify default IM" #t
  "Default input method" Anthy
  "Enable input method toggle by hot keys" #t
  "Alternative input method" Latin characters

2 Run uim-pref and check "Enable menu-based IM switcher" and Apply.

3 Press uim-toolbar's IM icon check available IMs.

4 There in no "Direct" IM in the menu list!

In this test, if I set "Direct" IM to "Alternative input method" in 1.,
toggling IM after 4. cause crash of the application.

YamaKen, could you investigate?
          
     
     
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