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https://github.com/emacs-exwm/exwm.git
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Update timestamp for WM_TAKE_FOCUS ClientMessage
* exwm-input.el (exwm-input--timestamp-window) (exwm-input--timestamp-atom, exwm-input--timestamp-callback): New variables for updating timestamp. (exwm-input--set-focus): Send WM_TAKE_FOCUS ClientMessage with updated timestamp. (exwm-input--update-timestamp): New utility function for fetching timestamp. (exwm-input--on-PropertyNotify): New function for handling PropertyNotify event to extract the timestamp. (exwm-input--init): Create resources for updating timestamp; attach the event listener. (exwm-input--on-ButtonPress, exwm-input--on-KeyPress): * exwm.el (exwm--on-PropertyNotify): No longer update timestamp. * exwm-input.el (exwm-input--set-focus): Avoid setting input focus on already focused X windows, or when the input focus in not on a Emacs frame if globally active model is in use. * exwm-floating.el (exwm-floating--set-floating): * exwm-workspace.el (exwm-workspace-move-window) (exwm-workspace--add-frame-as-workspace, exwm-workspace--init): Set 'exwm-id' frame parameter as the numerical (inner) frame X ID.
This commit is contained in:
Chris Feng
parent
767abdf9e6
commit
810b4716a1
4 changed files with 112 additions and 34 deletions
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@ -99,7 +99,9 @@ context of the corresponding buffer.")
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(height . ,window-min-height)
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(unsplittable . t))))) ;and fix the size later
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(outer-id (string-to-number (frame-parameter frame 'outer-window-id)))
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(container (buffer-local-value 'exwm--container (exwm--id->buffer id)))
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(window-id (string-to-number (frame-parameter frame 'window-id)))
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(container (buffer-local-value 'exwm--container
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(exwm--id->buffer id)))
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(frame-container (xcb:generate-id exwm--connection))
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(window (frame-first-window frame)) ;and it's the only window
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(x (slot-value exwm--geometry 'x))
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@ -118,6 +120,7 @@ context of the corresponding buffer.")
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width height x y)
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;; Save frame parameters.
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(set-frame-parameter frame 'exwm-outer-id outer-id)
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(set-frame-parameter frame 'exwm-id window-id)
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(set-frame-parameter frame 'exwm-container frame-container)
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;; Fix illegal parameters
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;; FIXME: check normal hints restrictions
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107
exwm-input.el
107
exwm-input.el
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@ -48,10 +48,9 @@
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(defvar exwm-input--resize-keysym nil)
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(defvar exwm-input--resize-mask nil)
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(defvar exwm-input--timestamp xcb:Time:CurrentTime
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"A recent timestamp received from X server.
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It's updated in several occasions, and only used by `exwm-input--set-focus'.")
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(defvar exwm-input--timestamp-window nil)
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(defvar exwm-input--timestamp-atom nil)
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(defvar exwm-input--timestamp-callback nil)
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(defvar exwm-workspace--current)
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(defvar exwm-workspace--switch-history-outdated)
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@ -62,37 +61,81 @@ It's updated in several occasions, and only used by `exwm-input--set-focus'.")
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(defun exwm-input--set-focus (id)
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"Set input focus to window ID in a proper way."
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(when (exwm--id->buffer id)
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(let ((focus (slot-value (xcb:+request-unchecked+reply exwm--connection
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(make-instance 'xcb:GetInputFocus))
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'focus)))
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(unless (= focus id)
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(with-current-buffer (exwm--id->buffer id)
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(if (and (not exwm--hints-input)
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(cond
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((and (not exwm--hints-input)
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(memq xcb:Atom:WM_TAKE_FOCUS exwm--protocols))
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(progn
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(when (= focus (frame-parameter nil 'exwm-id))
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(exwm--log "Focus on #x%x with WM_TAKE_FOCUS" id)
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(exwm-input--update-timestamp
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(lambda (timestamp id)
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(let ((event (make-instance 'xcb:icccm:WM_TAKE_FOCUS
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:window id
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:time timestamp)))
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(setq event (xcb:marshal event exwm--connection))
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(xcb:+request exwm--connection
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(make-instance 'xcb:icccm:SendEvent
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:destination id
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:event (xcb:marshal
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(make-instance 'xcb:icccm:WM_TAKE_FOCUS
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:window id
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:time
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exwm-input--timestamp)
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exwm--connection))))
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:event event))
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(exwm-input--set-active-window id)
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(xcb:flush exwm--connection)))
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id)))
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(t
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(exwm--log "Focus on #x%x with SetInputFocus" id)
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(xcb:+request exwm--connection
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(make-instance 'xcb:SetInputFocus
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:revert-to xcb:InputFocus:Parent
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:focus id
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:time xcb:Time:CurrentTime)))
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:time xcb:Time:CurrentTime))
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(exwm-input--set-active-window id)
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(xcb:flush exwm--connection))))
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(xcb:flush exwm--connection))))))))
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(defun exwm-input--update-timestamp (callback &rest args)
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"Fetch the latest timestamp from the server and feed it to CALLBACK.
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ARGS are additional arguments to CALLBACK."
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(setq exwm-input--timestamp-callback (cons callback args))
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(xcb:+request exwm--connection
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(make-instance 'xcb:ChangeProperty
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:mode xcb:PropMode:Replace
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:window exwm-input--timestamp-window
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:property exwm-input--timestamp-atom
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:type xcb:Atom:CARDINAL
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:format 32
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:data-len 0
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:data nil))
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(xcb:flush exwm--connection))
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(defun exwm-input--on-PropertyNotify (data _synthetic)
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"Handle PropertyNotify events."
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(when exwm-input--timestamp-callback
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(let ((obj (make-instance 'xcb:PropertyNotify)))
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(xcb:unmarshal obj data)
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(when (= exwm-input--timestamp-window
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(slot-value obj 'window))
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(apply (car exwm-input--timestamp-callback)
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(slot-value obj 'time)
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(cdr exwm-input--timestamp-callback))
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(setq exwm-input--timestamp-callback nil)))))
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(defun exwm-input--on-FocusIn (data _synthetic)
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"Handle FocusIn events."
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(let ((obj (make-instance 'xcb:FocusIn)))
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(xcb:unmarshal obj data)
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(when (= (slot-value obj 'detail) xcb:NotifyDetail:Inferior)
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;; Transfer input focus back to the workspace when the workspace
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;; container unexpectedly receives it.
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(x-focus-frame exwm-workspace--current))))
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;; Not sure if this is the right thing to do but the point is the
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;; input focus should not stay at the root window or any container,
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;; or the result would be unpredictable. `x-focus-frame' would
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;; first set the input focus to the (previously) selected frame, and
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;; then `select-window' would further update the input focus if the
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;; selected window is displaying an `exwm-mode' buffer. Perhaps we
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;; should carefully filter out FocusIn events with certain 'detail'
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;; and 'mode' combinations, but this just works.
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(x-focus-frame (selected-frame))
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(select-window (selected-window))))
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(defun exwm-input--on-workspace-list-change ()
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"Run in `exwm-input--update-global-prefix-keys'."
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@ -247,7 +290,6 @@ This value should always be overwritten.")
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window buffer frame)
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(xcb:unmarshal obj data)
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(with-slots (detail time event state) obj
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(setq exwm-input--timestamp time)
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(setq window (get-buffer-window (exwm--id->buffer event) t)
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buffer (window-buffer window))
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(cond ((and (= state exwm-input--move-mask)
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@ -296,7 +338,6 @@ This value should always be overwritten.")
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"Handle KeyPress event."
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(let ((obj (make-instance 'xcb:KeyPress)))
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(xcb:unmarshal obj data)
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(setq exwm-input--timestamp (slot-value obj 'time))
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(if (eq major-mode 'exwm-mode)
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(funcall exwm--on-KeyPress obj data)
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(exwm-input--on-KeyPress-char-mode obj))))
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@ -657,7 +698,33 @@ Its usage is the same with `exwm-input-set-simulation-keys'."
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exwm-input--move-mask (cdr move-key)
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exwm-input--resize-keysym (car resize-key)
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exwm-input--resize-mask (cdr resize-key)))
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;; Create the X window and intern the atom used to fetch timestamp.
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(setq exwm-input--timestamp-window (xcb:generate-id exwm--connection))
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(xcb:+request exwm--connection
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(make-instance 'xcb:CreateWindow
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:depth 0
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:wid exwm-input--timestamp-window
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:parent exwm--root
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:x -1
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:y -1
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:width 1
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:height 1
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:border-width 0
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:class xcb:WindowClass:CopyFromParent
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:visual 0
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:value-mask xcb:CW:EventMask
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:event-mask xcb:EventMask:PropertyChange))
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(let ((atom "_TIME"))
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(setq exwm-input--timestamp-atom
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(slot-value (xcb:+request-unchecked+reply exwm--connection
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(make-instance 'xcb:InternAtom
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:only-if-exists 0
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:name-len (length atom)
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:name atom))
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'atom)))
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;; Attach event listeners
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(xcb:+event exwm--connection 'xcb:PropertyNotify
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#'exwm-input--on-PropertyNotify)
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(xcb:+event exwm--connection 'xcb:KeyPress #'exwm-input--on-KeyPress)
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(xcb:+event exwm--connection 'xcb:ButtonPress #'exwm-input--on-ButtonPress)
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(xcb:+event exwm--connection 'xcb:ButtonRelease
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@ -691,10 +691,13 @@ INDEX must not exceed the current number of workspaces."
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(outer-id (string-to-number
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(frame-parameter new-frame
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'outer-window-id)))
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(window-id (string-to-number
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(frame-parameter new-frame 'window-id)))
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(frame-container (frame-parameter old-frame
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'exwm-container))
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(window (frame-root-window new-frame)))
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(set-frame-parameter new-frame 'exwm-outer-id outer-id)
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(set-frame-parameter new-frame 'exwm-id window-id)
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(set-frame-parameter new-frame 'exwm-container
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frame-container)
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(make-frame-invisible new-frame)
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@ -1149,10 +1152,12 @@ Please check `exwm-workspace--minibuffer-own-frame-p' first."
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(setq exwm-workspace--list (nconc exwm-workspace--list (list frame)))
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(let ((outer-id (string-to-number (frame-parameter frame
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'outer-window-id)))
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(window-id (string-to-number (frame-parameter frame 'window-id)))
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(container (xcb:generate-id exwm--connection))
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(workspace (xcb:generate-id exwm--connection)))
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;; Save window IDs
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(set-frame-parameter frame 'exwm-outer-id outer-id)
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(set-frame-parameter frame 'exwm-id window-id)
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(set-frame-parameter frame 'exwm-container container)
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(set-frame-parameter frame 'exwm-workspace workspace)
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;; In case it's created by emacsclient.
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@ -1356,9 +1361,13 @@ applied to all subsequently created X frames."
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(let ((outer-id (string-to-number
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(frame-parameter exwm-workspace--minibuffer
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'outer-window-id)))
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(window-id (string-to-number
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(frame-parameter exwm-workspace--minibuffer
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'window-id)))
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(container (xcb:generate-id exwm--connection)))
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(set-frame-parameter exwm-workspace--minibuffer
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'exwm-outer-id outer-id)
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(set-frame-parameter exwm-workspace--minibuffer 'exwm-id window-id)
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(set-frame-parameter exwm-workspace--minibuffer 'exwm-container
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container)
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(xcb:+request exwm--connection
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3
exwm.el
3
exwm.el
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@ -315,8 +315,7 @@
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atom id buffer)
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(xcb:unmarshal obj data)
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(setq id (slot-value obj 'window)
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atom (slot-value obj 'atom)
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exwm-input--timestamp (slot-value obj 'time))
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atom (slot-value obj 'atom))
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(setq buffer (exwm--id->buffer id))
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(if (not (buffer-live-p buffer))
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;; Properties of unmanaged X windows.
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