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Merge branch 'medranocalvo/remember-last-buffer' into externals/exwm

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Chris Feng 2016-03-20 12:03:13 +08:00
commit 44d05d2dd3
2 changed files with 74 additions and 34 deletions
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98
exwm-layout.el
View file

@ -240,35 +240,60 @@
(xcb:flush exwm--connection)))
(cl-incf exwm-layout--fullscreen-frame-count))
(defvar exwm-layout--other-buffer-exclude-exwm-mode-buffers nil
"When non-nil, prevent EXWM buffers from being selected by `other-buffer'.")
(defvar exwm-layout--other-buffer-exclude-buffers nil
"List of buffers that should not be selected by `other-buffer'.")
(defun exwm-layout--other-buffer-predicate (buffer)
"Return non-nil when the BUFFER may be displayed in selected frame.
Prevents EXWM-mode buffers already being displayed on some other window from
being selected.
Should be set as `buffer-predicate' frame parameter for all
frames. Used by `other-buffer'.
When variable `exwm-layout--other-buffer-exclude-exwm-mode-buffers'
is t EXWM buffers are never selected by `other-buffer'.
When variable `exwm-layout--other-buffer-exclude-buffers' is a
list of buffers, EXWM buffers belonging to that list are never
selected by `other-buffer'."
(or (not (eq 'exwm-mode (buffer-local-value 'major-mode buffer)))
(and (not exwm-layout--other-buffer-exclude-exwm-mode-buffers)
(not (memq buffer exwm-layout--other-buffer-exclude-buffers))
;; Do not select if already shown in some window.
(not (get-buffer-window buffer t)))))
(defvar exwm-layout-show-all-buffers nil
"Non-nil to allow switching to buffers on other workspaces.")
(defun exwm-layout--refresh ()
"Refresh layout."
(let ((frame (selected-frame))
(placeholder (or (get-buffer "*scratch*")
(progn
(set-buffer-major-mode
(get-buffer-create "*scratch*"))
(get-buffer "*scratch*"))))
covered-buffers ;EXWM-buffers covered by a new X window.
vacated-windows ;Windows previously displaying EXWM-buffers.
windows)
(if (not (memq frame exwm-workspace--list))
(if (frame-parameter frame 'exwm-outer-id)
;; Refresh a floating frame
(when (eq major-mode 'exwm-mode)
(let ((window (frame-first-window frame)))
(with-current-buffer (window-buffer window)
;; It may be a buffer waiting to be killed.
(when (exwm--id->buffer exwm--id)
(exwm--log "Refresh floating window #x%x" exwm--id)
(exwm-layout--show exwm--id window)))))
(let ((window (frame-first-window frame)))
(with-current-buffer (window-buffer window)
(when (and (eq major-mode 'exwm-mode)
;; It may be a buffer waiting to be killed.
(exwm--id->buffer exwm--id))
(exwm--log "Refresh floating window #x%x" exwm--id)
(exwm-layout--show exwm--id window))))
;; Other frames (e.g. terminal/graphical frame of emacsclient)
;; We shall bury all `exwm-mode' buffers in this case
(setq windows (window-list frame 0)) ;exclude minibuffer
(dolist (window windows)
(with-current-buffer (window-buffer window)
(when (eq major-mode 'exwm-mode)
(set-window-buffer window placeholder)))))
(let ((exwm-layout--other-buffer-exclude-exwm-mode-buffers t))
(dolist (window windows)
(with-current-buffer (window-buffer window)
(when (eq major-mode 'exwm-mode)
(switch-to-prev-buffer window))))))
;; Refresh the whole workspace
;; Workspaces other than the active one can also be refreshed (RandR)
(exwm--log "Refresh workspace %s" frame)
@ -282,21 +307,36 @@
(if (not windows)
(when (eq frame exwm--frame) ;for exwm-layout-show-all-buffers
(exwm-layout--hide exwm--id))
(if (eq frame exwm--frame)
(exwm-layout--show exwm--id (car windows))
(exwm-workspace-move-window
(cl-position frame exwm-workspace--list) exwm--id))
(let ((window (car windows)))
;; Make sure this buffer is not displayed elsewhere
(dolist (i (get-buffer-window-list (current-buffer) 0 t))
(unless (eq i window)
(set-window-buffer i placeholder))))))))
(if (eq frame exwm--frame)
(exwm-layout--show exwm--id window)
(exwm-workspace-move-window
(cl-position frame exwm-workspace--list) exwm--id))
;; Make sure this buffer is not displayed elsewhere. Note down
;; windows displaying an EXWM-buffer now displayed elsewhere; we
;; need to display with some other buffer there.
(setq vacated-windows
(append vacated-windows (cdr (get-buffer-window-list
(current-buffer) 0 t))))
;; Note down when an EXWM-buffer is being covered by this
;; buffer; we don't want it to reappear in some vacated window.
(let ((prev-buffer (car-safe
(car-safe (window-prev-buffers window)))))
(and
prev-buffer
(eq 'exwm-mode (buffer-local-value 'major-mode prev-buffer))
(push prev-buffer covered-buffers))))))))
;; Set some sensible buffer to vacated windows.
(let ((exwm-layout--other-buffer-exclude-buffers covered-buffers))
(dolist (window vacated-windows)
(switch-to-prev-buffer window)))
;; Make sure windows floating / on other workspaces are excluded
(dolist (window (window-list frame 0))
(with-current-buffer (window-buffer window)
(when (and (eq major-mode 'exwm-mode)
(or exwm--floating-frame (not (eq frame exwm--frame))))
(set-window-buffer window placeholder))))
(let ((exwm-layout--other-buffer-exclude-exwm-mode-buffers t))
(dolist (window (window-list frame 0))
(with-current-buffer (window-buffer window)
(when (and (eq major-mode 'exwm-mode)
(or exwm--floating-frame (not (eq frame exwm--frame))))
(switch-to-prev-buffer window)))))
;; Update _NET_CLIENT_LIST_STACKING
(xcb:+request exwm--connection
(make-instance 'xcb:ewmh:set-_NET_CLIENT_LIST_STACKING

10
exwm-workspace.el
View file

@ -235,6 +235,7 @@ The optional FORCE option is for internal use only."
(declare-function exwm-layout--show "exwm-layout.el" (id &optional window))
(declare-function exwm-layout--hide "exwm-layout.el" (id))
(declare-function exwm-layout--refresh "exwm-layout.el")
(declare-function exwm-layout--other-buffer-predicate "exwm-layout.el" (buffer))
;;;###autoload
(defun exwm-workspace-move-window (index &optional id)
@ -346,11 +347,7 @@ The optional FORCE option is for internal use only."
;; Move the X window container.
(if (= index exwm-workspace-current-index)
(set-window-buffer (get-buffer-window (current-buffer) t)
(or (get-buffer "*scratch*")
(progn
(set-buffer-major-mode
(get-buffer-create "*scratch*"))
(get-buffer "*scratch*"))))
(other-buffer))
(bury-buffer)
;; Clear the 'exwm-selected-window' frame parameter.
(set-frame-parameter frame 'exwm-selected-window nil))
@ -684,6 +681,9 @@ The optional FORCE option is for internal use only."
;; The default behavior of `display-buffer' (indirectly called by
;; `minibuffer-completion-help') is not correct here.
(cl-pushnew '(exwm-workspace--display-buffer) display-buffer-alist))
;; Prevent `other-buffer' from selecting already displayed EXWM buffers.
(modify-all-frames-parameters
'((buffer-predicate . exwm-layout--other-buffer-predicate)))
;; Configure workspaces
(dolist (i exwm-workspace--list)
(let ((outer-id (string-to-number (frame-parameter i 'outer-window-id)))