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Fix character loss with exwm-xim

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* exwm-xim.el (exwm-xim--handle-forward-event-request): Events unread
can either be reused by input methods or forwarded to X windows as is.
This commit is contained in:
Chris Feng 2019-06-09 00:00:00 +00:00
parent 672a5e2a23
commit 75833e0c53
1 changed files with 57 additions and 50 deletions
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37
exwm-xim.el
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@ -544,6 +544,9 @@ The actual XIM request is in client message data or a property."
exwm-xim--conn
(car keysym)
(logand state (lognot (cdr keysym)))))))
(while (or (slot-value req 'event) unread-command-events)
(unless (slot-value req 'event)
(setq event (pop unread-command-events)))
(if (or (not im-func)
;; `list' is the default method.
(eq im-func #'list)
@ -552,7 +555,19 @@ The actual XIM request is in client message data or a property."
(not (integerp event)) (> #x20 event) (< #x7e event))
;; Either there is no active input method, or invalid key
;; is detected.
(with-slots (im-id ic-id serial-number event) req
(with-slots ((raw-event event)
im-id ic-id serial-number)
req
(if raw-event
(setq event raw-event)
(setq keysym (xcb:keysyms:event->keysym exwm-xim--conn event))
(with-slots (detail state) key-event
(setf detail (xcb:keysyms:keysym->keycode exwm-xim--conn
(car keysym))
state (cdr keysym)))
(setq event (let ((xcb:lsb lsb))
(xcb:marshal key-event conn))))
(when event
(exwm-xim--make-request
(make-instance 'xim:forward-event
:im-id im-id
@ -560,8 +575,7 @@ The actual XIM request is in client message data or a property."
:flag xim:commit-flag:synchronous
:serial-number serial-number
:event event)
conn client-xwin)
(xcb:flush conn))
conn client-xwin)))
(when (eq exwm--selected-input-mode 'char-mode)
;; Grab keyboard temporarily for char-mode.
(exwm-input--grab-keyboard))
@ -569,14 +583,6 @@ The actual XIM request is in client message data or a property."
(with-temp-buffer
;; Always show key strokes.
(let ((input-method-use-echo-area t))
(while (or event unread-command-events)
(unless event
(setq event (pop unread-command-events)))
;; `quail-input-method' seems to unread 'return instead of
;; ?\n hence this conversion.
(when (eq event 'return)
(setq event ?\n))
(when (characterp event)
(setq result (funcall im-func event))
;; This also works for portable character encoding.
(setq result
@ -590,11 +596,12 @@ The actual XIM request is in client message data or a property."
xim:commit-flag:x-lookup-chars)
:length (length result)
:string result)
conn client-xwin)
(xcb:flush conn))
(setq event nil))))
conn client-xwin)))
(when (eq exwm--selected-input-mode 'char-mode)
(exwm-input--release-keyboard))))))
(exwm-input--release-keyboard))))
(xcb:flush conn)
(setf event nil
(slot-value req 'event) nil))))
(defun exwm-xim--make-request (req conn client-xwin)
"Make an XIM request REQ via connection CONN.