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Neglect trivial resizing requests

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* exwm-manage.el (exwm-manage--on-ConfigureRequest): Neglect trivial
resizing requests since that cannot be done precisely.
This commit is contained in:
Chris Feng 2016-03-11 14:12:01 +08:00
parent e217533642
commit c8c0bc7b60
1 changed files with 40 additions and 12 deletions
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52
exwm-manage.el
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@ -407,10 +407,14 @@ Would you like to kill it? "
(xcb:+request exwm--connection ,request))))
(xcb:flush exwm--connection)))
;; FIXME: Make the following values as small as possible.
(defconst exwm-manage--width-delta-min 5)
(defconst exwm-manage--height-delta-min 5)
(defun exwm-manage--on-ConfigureRequest (data _synthetic)
"Handle ConfigureRequest event."
(let ((obj (make-instance 'xcb:ConfigureRequest))
buffer edges)
buffer edges width-delta height-delta)
(xcb:unmarshal obj data)
(with-slots (window x y width height
border-width sibling stack-mode value-mask)
@ -421,7 +425,29 @@ border-width: %d; sibling: #x%x; stack-mode: %d"
border-width sibling stack-mode)
(if (and (setq buffer (exwm--id->buffer window))
(with-current-buffer buffer
(or exwm--fullscreen (not exwm--floating-frame))))
(or exwm--fullscreen
;; Make sure it's a floating X window wanting to resize
;; itself.
(or (not exwm--floating-frame)
(progn
(setq edges
(window-inside-pixel-edges
(get-buffer-window buffer t))
width-delta (- width (- (elt edges 2)
(elt edges 0)))
height-delta (- height (- (elt edges 3)
(elt edges 1))))
;; We cannot do resizing precisely for now.
(and (if (= 0 (logand value-mask
xcb:ConfigWindow:Width))
t
(< (abs width-delta)
exwm-manage--width-delta-min))
(if (= 0 (logand value-mask
xcb:ConfigWindow:Height))
t
(< (abs height-delta)
exwm-manage--height-delta-min))))))))
;; Send client message for managed windows
(with-current-buffer buffer
(setq edges
@ -449,16 +475,18 @@ border-width: %d; sibling: #x%x; stack-mode: %d"
(if buffer
(with-current-buffer buffer
(exwm--log "ConfigureWindow (resize floating X window)")
(setq edges
(window-inside-pixel-edges (get-buffer-window buffer t)))
(set-frame-size exwm--floating-frame
(+ width
(- (frame-pixel-width exwm--floating-frame)
(- (elt edges 2) (elt edges 0))))
(+ height
(- (frame-pixel-height exwm--floating-frame)
(- (elt edges 3) (elt edges 1))))
t))
(when (and (/= 0 (logand value-mask xcb:ConfigWindow:Width))
(>= (abs width-delta) exwm-manage--width-delta-min))
(set-frame-width exwm--floating-frame
(+ (frame-pixel-width exwm--floating-frame)
width-delta)
nil t))
(when (and (/= 0 (logand value-mask xcb:ConfigWindow:Height))
(>= (abs height-delta) exwm-manage--height-delta-min))
(set-frame-height exwm--floating-frame
(+ (frame-pixel-height exwm--floating-frame)
height-delta)
nil t)))
(exwm--log "ConfigureWindow (preserve geometry)")
;; Configure the unmanaged window.
(xcb:+request exwm--connection