Mirrors/exwm
2
0
Fork 0
mirror of https://github.com/ch11ng/exwm.git synced 2024-11-27 13:07:59 +01:00
Code Issues Projects Releases Packages Wiki Activity

Ignore repeated MappingNotify events

Browse source 
For some reason, `MappingNotify` events are generated quite frequently and
greatly impact the performance. This commit disables the complete refresh of
keyboard mapping.
This commit is contained in:
Chris Feng 2015-08-10 21:01:55 +08:00
parent 048994c794
commit 24b964bb4a
1 changed files with 18 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

25
exwm-input.el
View file

@ -139,13 +139,24 @@ It's updated in several occasions, and only used by `exwm-input--set-focus'.")
(let ((obj (make-instance 'xcb:MappingNotify))) (let ((obj (make-instance 'xcb:MappingNotify)))
(xcb:unmarshal obj data) (xcb:unmarshal obj data)
(with-slots (request first-keycode count) obj (with-slots (request first-keycode count) obj
(cond ((= request xcb:Mapping:Modifier) (cond
;; Modifier keys changed ((= request xcb:Mapping:Modifier)
(xcb:keysyms:update-modifier-mapping exwm--connection)) ;; Modifier keys changed
((= request xcb:Mapping:Keyboard) (exwm--log "Update modifier mapping")
;; Only updated changed keys (xcb:keysyms:update-modifier-mapping exwm--connection)
(xcb:keysyms:update-keyboard-mapping exwm--connection )
first-keycode count)))))) ((= request xcb:Mapping:Keyboard)
;; Only update changed keys
(with-slots (min-keycode max-keycode)
(xcb:get-setup exwm--connection)
;; Since this operation is quite time-consuming, a complete refresh
;; is forbidden as it's unlikely to bring any useful information
(unless (and (= min-keycode first-keycode)
(= max-keycode (+ first-keycode count -1)))
(exwm--log "Update keyboard mapping: %d ~ %d"
first-keycode (+ first-keycode count))
(xcb:keysyms:update-keyboard-mapping exwm--connection
first-keycode count))))))))
(defun exwm-input--on-ButtonPress (data synthetic) (defun exwm-input--on-ButtonPress (data synthetic)
"Handle ButtonPress event." "Handle ButtonPress event."