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Fix multi-screen bugs

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* RandR module is now made optional; users can enable it with
  `exwm-randr-enable`.
* Correct the calculation of sizes/coordinates at various places.
* Input focus is now tracked with (Emacs) window instead of buffer since the
  latter can be ambiguous in multi-screen settings.
This commit is contained in:
Chris Feng 2015-08-13 12:02:44 +08:00
parent 35560a49d6
commit 07e59e0429
6 changed files with 54 additions and 30 deletions
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14
exwm-floating.el
View file

@ -39,8 +39,9 @@
(defun exwm-floating--set-floating (id)
"Make window ID floating."
(interactive)
(when (get-buffer-window (exwm--id->buffer id)) ;window in non-floating state
(set-window-buffer (selected-window) (other-buffer))) ;hide it first
(let ((window (get-buffer-window (exwm--id->buffer id))))
(when window ;window in non-floating state
(set-window-buffer window (other-buffer)))) ;hide it first
(let* ((original-frame
(with-current-buffer (exwm--id->buffer id)
(if (and exwm-transient-for (exwm--id->buffer exwm-transient-for))
@ -78,8 +79,8 @@
(exwm-workspace--update-switch-history)))
;; Fix illegal parameters
;; FIXME: check normal hints restrictions
(let* ((display-width (x-display-pixel-width))
(display-height (- (x-display-pixel-height)
(let* ((display-width (frame-pixel-width original-frame))
(display-height (- (frame-pixel-height original-frame)
(window-pixel-height (minibuffer-window
original-frame))
(* 2 (window-mode-line-height))
@ -373,6 +374,8 @@
"Perform move/resize."
(when exwm-floating--moveresize-calculate
(let ((obj (make-instance 'xcb:MotionNotify))
(frame-x (or (frame-parameter exwm-workspace--current 'exwm-x) 0))
(frame-y (or (frame-parameter exwm-workspace--current 'exwm-y) 0))
result)
(xcb:unmarshal obj data)
(setq result (funcall exwm-floating--moveresize-calculate
@ -380,7 +383,8 @@
(xcb:+request exwm--connection
(make-instance 'xcb:ConfigureWindow
:window (elt result 0) :value-mask (elt result 1)
:x (elt result 2) :y (elt result 3)
:x (- (elt result 2) frame-x)
:y (- (elt result 3) frame-y)
:width (elt result 4) :height (elt result 5)))
(xcb:flush exwm--connection))))

23
exwm-input.el
View file

@ -77,7 +77,7 @@ It's updated in several occasions, and only used by `exwm-input--set-focus'.")
:time xcb:Time:CurrentTime)))
(xcb:flush exwm--connection)))
(defvar exwm-input--focus-buffer nil "The buffer to be focused.")
(defvar exwm-input--focus-window nil "The (Emacs) window to be focused.")
(defvar exwm-input--redirected nil
"Indicate next update on buffer list is actually a result of redirection.")
(defvar exwm-input--timer nil "Currently running timer.")
@ -85,15 +85,17 @@ It's updated in several occasions, and only used by `exwm-input--set-focus'.")
(defun exwm-input--on-buffer-list-update ()
"Run in buffer-list-update-hook to track input focus."
(let ((frame (selected-frame))
(window (selected-window))
(buffer (current-buffer)))
(when (and (not (minibufferp buffer))
(frame-parameter frame 'exwm-window-id) ;e.g. emacsclient frame
(eq buffer (window-buffer))) ;e.g. `with-temp-buffer'
(unless (and exwm-input--redirected
exwm-input--focus-buffer
(with-current-buffer exwm-input--focus-buffer
exwm-input--focus-window
(with-current-buffer (window-buffer
exwm-input--focus-window)
exwm--floating-frame))
(setq exwm-input--focus-buffer buffer)
(setq exwm-input--focus-window window)
(when exwm-input--timer (cancel-timer exwm-input--timer))
(setq exwm-input--timer
(run-with-timer 0.01 nil 'exwm-input--update-focus)))
@ -108,22 +110,23 @@ It's updated in several occasions, and only used by `exwm-input--set-focus'.")
(defun exwm-input--update-focus ()
"Update input focus."
(when exwm-input--focus-buffer
(with-current-buffer exwm-input--focus-buffer
(exwm--log "Set focus on %s" exwm-input--focus-buffer)
(setq exwm-input--focus-buffer nil)
(when exwm-input--focus-window
(with-current-buffer (window-buffer exwm-input--focus-window)
(exwm--log "Set focus on %s" exwm-input--focus-window)
(if (eq major-mode 'exwm-mode)
(progn
(when exwm--floating-frame
(redirect-frame-focus exwm--floating-frame nil)
(select-frame-set-input-focus exwm--floating-frame t))
(exwm-input--set-focus exwm--id))
(select-frame-set-input-focus exwm-workspace--current t)
(select-frame-set-input-focus (window-frame exwm-input--focus-window)
t)
(dolist (pair exwm--id-buffer-alist)
(with-current-buffer (cdr pair)
(when (and exwm--floating-frame
(eq exwm--frame exwm-workspace--current))
(redirect-frame-focus exwm--floating-frame exwm--frame))))))))
(redirect-frame-focus exwm--floating-frame exwm--frame)))))
(setq exwm-input--focus-window nil))))
(defun exwm-input--finish-key-sequence ()
"Mark the end of a key sequence (with the aid of `pre-command-hook')."

19
exwm-layout.el
View file

@ -111,8 +111,9 @@
xcb:ConfigWindow:Width
xcb:ConfigWindow:Height)
:x 0 :y 0
:width (x-display-pixel-width)
:height (x-display-pixel-height))))
:width (frame-pixel-width exwm-workspace--current)
:height (frame-pixel-height
exwm-workspace--current))))
(xcb:flush exwm--connection))
(xcb:+request exwm--connection
(make-instance 'xcb:ConfigureWindow
@ -122,8 +123,8 @@
xcb:ConfigWindow:Width
xcb:ConfigWindow:Height)
:x 0 :y 0
:width (x-display-pixel-width)
:height (x-display-pixel-height)))
:width (frame-pixel-width exwm-workspace--current)
:height (frame-pixel-height exwm-workspace--current)))
(xcb:+request exwm--connection
(make-instance 'xcb:ewmh:set-_NET_WM_STATE
:window exwm--id
@ -168,11 +169,11 @@
(if (frame-parameter frame 'exwm-window-id)
;; Refresh a floating frame
(progn
(cl-assert (eq major-mode 'exwm-mode))
(let ((window (frame-first-window frame)))
(with-current-buffer (window-buffer window)
(exwm--log "Refresh floating window #x%x" exwm--id)
(exwm-layout--show exwm--id window))))
(when (eq major-mode 'exwm-mode)
(let ((window (frame-first-window frame)))
(with-current-buffer (window-buffer window)
(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
(unless placeholder ;create the *scratch* buffer if it's killed

13
exwm-manage.el
View file

@ -98,8 +98,14 @@ corresponding buffer.")
:window id
:value-mask (logior xcb:ConfigWindow:X
xcb:ConfigWindow:Y)
:x (/ (- (x-display-pixel-width) width) 2)
:y (/ (- (x-display-pixel-height) height) 2)))))
:x (/ (- (frame-pixel-width
exwm-workspace--current)
width)
2)
:y (/ (- (frame-pixel-height
exwm-workspace--current)
height)
2)))))
(xcb:flush exwm--connection)
(setq kill-buffer-query-functions nil)
(setq exwm--id-buffer-alist (assq-delete-all id exwm--id-buffer-alist))
@ -277,7 +283,8 @@ corresponding buffer.")
(setq edges
(if exwm--fullscreen
(list 0 0
(x-display-pixel-width) (x-display-pixel-height))
(frame-pixel-width exwm-workspace--current)
(frame-pixel-height exwm-workspace--current))
(or exwm--floating-edges
(window-inside-absolute-pixel-edges
(get-buffer-window)))))

13
exwm-randr.el
View file

@ -26,8 +26,11 @@
;; tools such as xrandr(1) to properly configure RandR first. This dependency
;; may be removed in the future, but more work is needed before that.
;; To use this module, first set `exwm-randr-workspace-output-plist':
;; To use this module, first load/enable it and properly configure the variable
;; `exwm-randr-workspace-output-plist':
;; (require 'exwm-randr)
;; (setq exwm-randr-workspace-output-plist '(0 "VGA1"))
;; (exwm-randr-enable)
;; Then configure RandR with 'xrandr':
;; $ xrandr --output VGA1 --left-of LVDS1 --auto
;; With above lines, workspace 0 should be assigned to the output named "VGA1",
@ -82,6 +85,8 @@
(setq geometry default-geometry
output nil))
(set-frame-parameter frame 'exwm-randr-output output)
(set-frame-parameter frame 'exwm-x (elt geometry 0))
(set-frame-parameter frame 'exwm-y (elt geometry 1))
(xcb:+request exwm--connection
(make-instance 'xcb:ConfigureWindow
:window (frame-parameter frame 'exwm-outer-id)
@ -108,9 +113,11 @@
(exwm-randr--refresh)
(xcb:+event exwm--connection 'xcb:randr:ScreenChangeNotify
(lambda (data synthetic)
(exwm--log "(RandR) ScreenChangeNotify")
(exwm-randr--refresh)))
;; (xcb:+event exwm--connection 'xcb:randr:Notify
;; (lambda (data synthetic)
;; (exwm--log "(RandR) Notify")
;; (exwm-randr--refresh)))
(xcb:+request exwm--connection
(make-instance 'xcb:randr:SelectInput
@ -124,6 +131,10 @@
))
(xcb:flush exwm--connection)))))
(defun exwm-randr-enable ()
"Enable RandR support for EXWM."
(add-hook 'exwm-init-hook 'exwm-randr--init))
(provide 'exwm-randr)

2
exwm.el
View file

@ -144,7 +144,6 @@
(require 'exwm-floating)
(require 'exwm-manage)
(require 'exwm-input)
(require 'exwm-randr)
(defvar exwm-debug-on nil "Non-nil to turn on debug for EXWM.")
@ -616,7 +615,6 @@
(exwm-floating--init)
(exwm-manage--init)
(exwm-input--init)
(exwm-randr--init)
(exwm--unlock)
;; Manage exiting windows
(exwm-manage--scan)