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Redirect KeyPress events sent to system tray icons

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* exwm-systemtray.el (exwm-systemtray--embed): Select KeyPress events on
system tray icons.
(exwm-systemtray--on-KeyPress): New function for redirecting KeyPress
events.
(exwm-systemtray--init): Attach the event listener.

* exwm-systemtray.el (exwm-systemtray--init): Fix a typo.
This commit is contained in:
Chris Feng 2016-09-23 18:29:11 +08:00
parent 84dad20d66
commit 0833e8dc4a
1 changed files with 33 additions and 1 deletions
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34
exwm-systemtray.el
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@ -118,7 +118,18 @@ You shall use the default value if using auto-hide minibuffer.")
:window icon
:value-mask xcb:CW:EventMask
:event-mask (logior xcb:EventMask:ResizeRedirect
xcb:EventMask:KeyPress
xcb:EventMask:PropertyChange)))
;; Grab all keys and forward them to Emacs frame.
(unless (exwm-workspace--minibuffer-own-frame-p)
(xcb:+request exwm-systemtray--connection
(make-instance 'xcb:GrabKey
:owner-events 0
:grab-window icon
:modifiers xcb:ModMask:Any
:key xcb:Grab:Any
:pointer-mode xcb:GrabMode:Async
:keyboard-mode xcb:GrabMode:Async)))
(setq visible (slot-value info 'flags))
(if visible
(setq visible
@ -276,6 +287,23 @@ You shall use the default value if using auto-hide minibuffer.")
(t
(exwm--log "(System Tray) Unknown opcode message: %s" obj)))))))
(defun exwm-systemtray--on-KeyPress (data _synthetic)
"Forward all KeyPress events to Emacs frame."
;; This function is only executed when there's no autohide minibuffer,
;; a workspace frame has the input focus and the pointer is over a
;; tray icon.
(let ((dest (frame-parameter (selected-frame) 'exwm-outer-id))
(obj (make-instance 'xcb:KeyPress)))
(xcb:unmarshal obj data)
(setf (slot-value obj 'event) dest)
(xcb:+request exwm-systemtray--connection
(make-instance 'xcb:SendEvent
:propagate 0
:destination dest
:event-mask xcb:EventMask:NoEvent
:event (xcb:marshal obj exwm-systemtray--connection))))
(xcb:flush exwm-systemtray--connection))
(defun exwm-systemtray--on-workspace-switch ()
"Reparent/Refresh the system tray in `exwm-workspace-switch-hook'."
(unless (exwm-workspace--minibuffer-own-frame-p)
@ -390,7 +418,8 @@ You shall use the default value if using auto-hide minibuffer.")
;; Bottom aligned.
y (- (exwm-workspace--current-height) exwm-systemtray-height)))
(setq parent (string-to-number (frame-parameter frame 'window-id))
depth (slot-value (xcb:+request-unchecked+reply exwm--connection
depth (slot-value (xcb:+request-unchecked+reply
exwm-systemtray--connection
(make-instance 'xcb:GetGeometry
:drawable parent))
'depth))
@ -425,6 +454,9 @@ You shall use the default value if using auto-hide minibuffer.")
#'exwm-systemtray--on-PropertyNotify)
(xcb:+event exwm-systemtray--connection 'xcb:ClientMessage
#'exwm-systemtray--on-ClientMessage)
(unless (exwm-workspace--minibuffer-own-frame-p)
(xcb:+event exwm-systemtray--connection 'xcb:KeyPress
#'exwm-systemtray--on-KeyPress))
;; Add hook to move/reparent the embedder.
(add-hook 'exwm-workspace-switch-hook #'exwm-systemtray--on-workspace-switch)
(when (boundp 'exwm-randr-refresh-hook)