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Add support for `mouse-autoselect-window'

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; This feature requires both `mouse-autoselect-window` and
; `focus-follows-mouse' being set.  Delaying autoselection is not
; supported yet.

* exwm-core.el (exwm--client-event-mask): Select the EnterNotify event
on each X window when `mouse-autoselect-window' is set.
* exwm-input.el (exwm-input--on-EnterNotify): New function for making
`mouse-autoselect-window' work on X windows.
(exwm-input--init): Listen to EnterNotify event when
`mouse-autoselect-window' is set.
This commit is contained in:
Chris Feng 2017-12-31 20:53:58 +08:00
parent 76d6f608bc
commit dd0a62c405
2 changed files with 49 additions and 3 deletions
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7
exwm-core.el
View file

@ -86,9 +86,10 @@ least SECS seconds later."
,function
,@args))
(defconst exwm--client-event-mask
(eval-when-compile
(logior xcb:EventMask:StructureNotify xcb:EventMask:PropertyChange))
(defconst exwm--client-event-mask (logior xcb:EventMask:StructureNotify
xcb:EventMask:PropertyChange
(if mouse-autoselect-window
xcb:EventMask:EnterWindow 0))
"Event mask set on all managed windows.")
(defvar exwm-input-line-mode-passthrough)

45
exwm-input.el
View file

@ -137,6 +137,48 @@ ARGS are additional arguments to CALLBACK."
(x-focus-frame (selected-frame))
(select-window (selected-window))))))
(defun exwm-input--on-EnterNotify (data _synthetic)
"Handle EnterNotify events."
(let ((evt (make-instance 'xcb:EnterNotify))
buffer window frame frame-xid edges fake-evt)
(xcb:unmarshal evt data)
(with-slots (time root event root-x root-y event-x event-y state) evt
(setq buffer (exwm--id->buffer event)
window (get-buffer-window buffer t))
(when (and buffer window (not (eq window (selected-window))))
(setq frame (window-frame window)
frame-xid (frame-parameter frame 'exwm-id))
(unless (eq frame exwm-workspace--current)
(if (exwm-workspace--workspace-p frame)
;; The X window is on another workspace.
(exwm-workspace-switch frame)
(with-current-buffer buffer
(when (and (eq major-mode 'exwm-mode)
(not (eq exwm--frame exwm-workspace--current)))
;; The floating X window is on another workspace.
(exwm-workspace-switch exwm--frame)))))
;; Send a fake MotionNotify event to Emacs.
(setq edges (window-inside-pixel-edges window)
fake-evt (make-instance 'xcb:MotionNotify
:detail 0
:time time
:root root
:event frame-xid
:child xcb:Window:None
:root-x root-x
:root-y root-y
:event-x (+ event-x (elt edges 0))
:event-y (+ event-y (elt edges 1))
:state state
:same-screen 1))
(xcb:+request exwm--connection
(make-instance 'xcb:SendEvent
:propagate 0
:destination frame-xid
:event-mask xcb:EventMask:NoEvent
:event (xcb:marshal fake-evt exwm--connection)))
(xcb:flush exwm--connection)))))
(defun exwm-input--on-keysyms-update ()
(let ((exwm-input--global-prefix-keys nil))
(exwm-input--update-global-prefix-keys)))
@ -741,6 +783,9 @@ Its usage is the same with `exwm-input-set-simulation-keys'."
(xcb:+event exwm--connection 'xcb:MotionNotify
#'exwm-floating--do-moveresize)
(xcb:+event exwm--connection 'xcb:FocusIn #'exwm-input--on-FocusIn)
(when mouse-autoselect-window
(xcb:+event exwm--connection 'xcb:EnterNotify
#'exwm-input--on-EnterNotify))
;; The input focus should be set on the frame when minibuffer is active.
(add-hook 'minibuffer-setup-hook #'exwm-input--on-minibuffer-setup)
;; Control `exwm-input--during-command'