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add exwm--client-message-functions
* exwm.el (exwm--client-message-functions): Alist for dispatching client messages to handlers. (exwm-init): set exwm--client-message-functions once exwmh support enabled. (exwm--on-ClientMessage): delegate via exwm--client-message-functions, decompose body into separate handlers. See: https://github.com/ch11ng/exwm/issues/931
This commit is contained in:
Nicholas Vollmer
Steven Allen
parent
d41de490e3
commit
4042de16fd
1 changed files with 209 additions and 179 deletions
94
exwm.el
94
exwm.el
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@ -122,6 +122,10 @@ After this time, the server will be killed.")
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(defvar exwm--server-process nil "Process of the subordinate Emacs server.")
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(defvar exwm--client-message-functions nil
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"Alist of form ((MESSAGE . MESSAGE-HANDLER)...).
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Set during `exwm-init'.")
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(defun exwm-reset ()
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"Reset the state of the selected window (non-fullscreen, line-mode, etc)."
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(interactive)
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@ -463,20 +467,8 @@ DATA contains unmarshalled PropertyNotify event data."
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(x-get-atom-name atom exwm-workspace--current)
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atom)))))))
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(defun exwm--on-ClientMessage (raw-data _synthetic)
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"Handle ClientMessage event.
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RAW-DATA contains unmarshalled ClientMessage event data."
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(let ((obj (make-instance 'xcb:ClientMessage))
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type id data)
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(xcb:unmarshal obj raw-data)
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(setq type (slot-value obj 'type)
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id (slot-value obj 'window)
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data (slot-value (slot-value obj 'data) 'data32))
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(exwm--log "atom=%s(%s) id=#x%x data=%s" (x-get-atom-name type exwm-workspace--current)
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type (or id 0) data)
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(cond
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;; _NET_NUMBER_OF_DESKTOPS.
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((= type xcb:Atom:_NET_NUMBER_OF_DESKTOPS)
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(defun exwm--on-net-number-of-desktops (_id data)
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"Handle _NET_NUMBER_OF_DESKTOPS_ message with DATA."
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(let ((current (exwm-workspace--count))
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(requested (elt data 0)))
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;; Only allow increasing/decreasing the workspace number by 1.
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@ -487,11 +479,13 @@ RAW-DATA contains unmarshalled ClientMessage event data."
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(> current 1))
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(let ((frame (car (last exwm-workspace--list))))
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(delete-frame frame))))))
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;; _NET_CURRENT_DESKTOP.
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((= type xcb:Atom:_NET_CURRENT_DESKTOP)
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(defun exwm--on-net-current-desktop (_id data)
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"Handle _NET_CURRENT_DESKTOP message with DATA."
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(exwm-workspace-switch (elt data 0)))
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;; _NET_ACTIVE_WINDOW.
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((= type xcb:Atom:_NET_ACTIVE_WINDOW)
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(defun exwm--on-net-active-window (id _data)
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"Handle _NET_ACTIVE_WINDOW message with ID."
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(let ((buffer (exwm--id->buffer id))
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window)
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(if (buffer-live-p buffer)
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@ -511,13 +505,15 @@ RAW-DATA contains unmarshalled ClientMessage event data."
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(dolist (f exwm-workspace--list)
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(when (eq id (frame-parameter f 'exwm-outer-id))
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(x-focus-frame f t))))))
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;; _NET_CLOSE_WINDOW.
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((= type xcb:Atom:_NET_CLOSE_WINDOW)
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(defun exwm--on-net-close-window (id _data)
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"Handle _NET_CLOSE_WINDOW message with ID."
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(let ((buffer (exwm--id->buffer id)))
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(when (buffer-live-p buffer)
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(exwm--defer 0 #'kill-buffer buffer))))
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;; _NET_WM_MOVERESIZE
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((= type xcb:Atom:_NET_WM_MOVERESIZE)
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(defun exwm--on-net-wm-moveresize (id data)
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"Handle _NET_WM_MOVERESIZE message with ID and DATA."
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(let ((direction (elt data 2))
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(buffer (exwm--id->buffer id)))
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(unless (and buffer
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@ -559,8 +555,9 @@ RAW-DATA contains unmarshalled ClientMessage event data."
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(throw 'break nil))))))
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;; Start to move it.
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(exwm-floating--start-moveresize id direction))))))
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;; _NET_REQUEST_FRAME_EXTENTS
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((= type xcb:Atom:_NET_REQUEST_FRAME_EXTENTS)
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(defun exwm--on-net-request-frame-extents (id _data)
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"Handle _NET_REQUEST_FRAME_EXTENTS message with ID."
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(let ((buffer (exwm--id->buffer id))
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top btm)
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(if (or (not buffer)
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@ -577,13 +574,15 @@ RAW-DATA contains unmarshalled ClientMessage event data."
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:top top
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:bottom btm)))
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(xcb:flush exwm--connection))
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;; _NET_WM_DESKTOP.
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((= type xcb:Atom:_NET_WM_DESKTOP)
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(defun exwm--on-net-wm-desktop (id data)
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"Handle _NET_WM_DESKTOP message with ID and DATA."
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(let ((buffer (exwm--id->buffer id)))
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(when (buffer-live-p buffer)
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(exwm-workspace-move-window (elt data 0) id))))
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;; _NET_WM_STATE
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((= type xcb:Atom:_NET_WM_STATE)
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(defun exwm--on-net-wm-state (id data)
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"Handle _NET_WM_STATE message with ID and DATA."
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(let ((action (elt data 0))
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(props (list (elt data 1) (elt data 2)))
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(buffer (exwm--id->buffer id))
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@ -629,12 +628,16 @@ RAW-DATA contains unmarshalled ClientMessage event data."
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(make-instance 'xcb:ewmh:set-_NET_WM_STATE
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:window id :data (vconcat props-new)))
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(xcb:flush exwm--connection)))))
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((= type xcb:Atom:WM_PROTOCOLS)
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(defun exwm--on-wm-protocols (_id data)
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"Handle WM_PROTOCOLS message with DATA."
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(let ((type (elt data 0)))
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(cond ((= type xcb:Atom:_NET_WM_PING)
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(setq exwm-manage--ping-lock nil))
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(t (exwm--log "Unhandled WM_PROTOCOLS of type: %d" type)))))
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((= type xcb:Atom:WM_CHANGE_STATE)
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(defun exwm--on-wm-change-state (id data)
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"Handle WM_CHANGE_STATE message with ID and DATA."
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(let ((buffer (exwm--id->buffer id)))
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(when (and (buffer-live-p buffer)
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(= (elt data 0) xcb:icccm:WM_STATE:IconicState))
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@ -642,9 +645,24 @@ RAW-DATA contains unmarshalled ClientMessage event data."
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(if exwm--floating-frame
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(call-interactively #'exwm-floating-hide)
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(bury-buffer))))))
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(t
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(defun exwm--on-ClientMessage (raw-data _synthetic)
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"Handle ClientMessage event.
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RAW-DATA contains unmarshalled ClientMessage event data."
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(let* ((obj (let ((m (make-instance 'xcb:ClientMessage)))
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(xcb:unmarshal m raw-data)
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m))
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(type (slot-value obj 'type))
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(id (slot-value obj 'window))
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(data (slot-value (slot-value obj 'data) 'data32))
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(fn (alist-get type exwm--client-message-functions)))
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(if (not fn)
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(exwm--log "Unhandled: %s(%d)"
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(x-get-atom-name type exwm-workspace--current) type)))))
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(x-get-atom-name type exwm-workspace--current) type)
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(exwm--log "atom=%s(%s) id=#x%x data=%s"
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(x-get-atom-name type exwm-workspace--current)
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type (or id 0) data)
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(funcall fn id data))))
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(defun exwm--on-SelectionClear (data _synthetic)
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"Handle SelectionClear events.
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@ -918,6 +936,18 @@ FRAME, if given, indicates the X display EXWM should manage."
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;; Initialize ICCCM/EWMH support
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(xcb:icccm:init exwm--connection t)
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(xcb:ewmh:init exwm--connection t)
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(setq
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exwm--client-message-functions
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(list (cons xcb:Atom:_NET_NUMBER_OF_DESKTOPS #'exwm--on-net-number-of-desktops)
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(cons xcb:Atom:_NET_CURRENT_DESKTOP #'exwm--on-net-current-desktop)
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(cons xcb:Atom:_NET_ACTIVE_WINDOW #'exwm--on-net-active-window)
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(cons xcb:Atom:_NET_CLOSE_WINDOW #'exwm--on-net-close-window)
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(cons xcb:Atom:_NET_REQUEST_FRAME_EXTENTS
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#'exwm--on-net-request-frame-extents)
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(cons xcb:Atom:_NET_WM_DESKTOP #'exwm--on-net-wm-desktop)
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(cons xcb:Atom:_NET_WM_STATE #'exwm--on-net-wm-state)
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(cons xcb:Atom:WM_PROTOCOLS #'exwm--on-wm-protocols)
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(cons xcb:Atom:WM_CHANGE_STATE #'exwm--on-wm-change-state)))
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;; Try to register window manager selection.
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(exwm--wmsn-acquire exwm-replace)
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(when (xcb:+request-checked+request-check exwm--connection
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