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Restack X-Windows after being mapped to ensure EnterNotify events fire

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* exwm-manage.el (exwm-manage--on-MapNotify, exwm-manage--init):
Restack X windows after being mapped in order to ensure they receive
an EnterNotify event (does not happen under XQuartz).
This commit is contained in:
Adrián Medraño Calvo 2018-09-04 12:00:00 +00:00
parent dd57c5eebb
commit 6978c1f45c
1 changed files with 17 additions and 0 deletions
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17
exwm-manage.el
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@ -665,6 +665,22 @@ border-width: %d; sibling: #x%x; stack-mode: %d"
(exwm--log "id=#x%x" window)
(exwm-manage--unmanage-window window t))))
(defun exwm-manage--on-MapNotify (data _synthetic)
"Handle MapNotify event."
(let ((obj (make-instance 'xcb:MapNotify)))
(xcb:unmarshal obj data)
(with-slots (window) obj
(when (assoc window exwm--id-buffer-alist)
(exwm--log "id=#x%x" window)
;; With this we ensure that a "window hierarchy change" happens after
;; mapping the window, as some servers (XQuartz) do not generate it.
(xcb:+request exwm--connection
(make-instance 'xcb:ConfigureWindow
:window window
:value-mask xcb:ConfigWindow:StackMode
:stack-mode xcb:StackMode:Above))
(xcb:flush exwm--connection)))))
(defun exwm-manage--on-DestroyNotify (data synthetic)
"Handle DestroyNotify event."
(unless synthetic
@ -692,6 +708,7 @@ border-width: %d; sibling: #x%x; stack-mode: %d"
#'exwm-manage--on-ConfigureRequest)
(xcb:+event exwm--connection 'xcb:MapRequest #'exwm-manage--on-MapRequest)
(xcb:+event exwm--connection 'xcb:UnmapNotify #'exwm-manage--on-UnmapNotify)
(xcb:+event exwm--connection 'xcb:MapNotify #'exwm-manage--on-MapNotify)
(xcb:+event exwm--connection 'xcb:DestroyNotify
#'exwm-manage--on-DestroyNotify))