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Implement move/resize with keyboard

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* exwm-floating.el: Remove an invalid TODO item.
* exwm-floating.el (exwm-floating--set-floating)
  (exwm-floating-hide-mode-line, exwm-floating-show-mode-line): Set
  window-size-fixed only for fixed-size floating windows.
* exwm-floating.el (exwm-floating-move): New function for moving a floating
  window.
* exwm-layout.el (exwm-layout-enlarge-window)
  (exwm-layout-enlarge-window-horizontally, exwm-layout-shrink-window)
  (exwm-layout-shrink-window-horizontally): New commands for interactively
  resizing a floating window.
This commit is contained in:
Chris Feng 2015-09-11 17:13:43 +08:00
parent 1d435157d3
commit dbcabe7946
2 changed files with 123 additions and 8 deletions
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97
exwm-layout.el
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@ -263,6 +263,103 @@
exwm--floating-frame)))
(exwm-layout--refresh)))))
(defun exwm-layout-enlarge-window (delta &optional horizontal)
"Make the selected window DELTA pixels taller.
If no argument is given, make the selected window one pixel taller. If the
optional argument HORIZONTAL is non-nil, make selected window DELTA pixels
wider. If DELTA is negative, shrink selected window by -DELTA pixels.
Normal hints are checked and regarded if the selected window is displaying an
`exwm-mode' buffer. However, this may violate the normal hints set on other X
windows."
(interactive "p")
(cond
((zerop delta)) ;no operation
((window-minibuffer-p)) ;avoid resize minibuffer-window
((not (and (eq major-mode 'exwm-mode) exwm--floating-frame))
;; Resize on tiling layout
(unless (= 0 (window-resizable nil delta horizontal nil t)) ;not resizable
(let ((window-resize-pixelwise t))
(window-resize nil delta horizontal nil t))))
;; Resize on floating layout
(exwm--fixed-size) ;fixed size
(horizontal
(let* ((width (frame-pixel-width))
(edges (window-inside-pixel-edges))
(inner-width (- (elt edges 2) (elt edges 0)))
(margin (- width inner-width)))
(if (> delta 0)
(if (not exwm--normal-hints-max-width)
(cl-incf width delta)
(if (>= inner-width exwm--normal-hints-max-width)
(setq width nil)
(setq width (min (+ exwm--normal-hints-max-width margin)
(+ width delta)))))
(if (not exwm--normal-hints-min-width)
(cl-incf width delta)
(if (<= inner-width exwm--normal-hints-min-width)
(setq width nil)
(setq width (max (+ exwm--normal-hints-min-width margin)
(+ width delta))))))
(when width
(setq exwm--floating-edges nil) ;invalid from now on
(xcb:+request exwm--connection
(make-instance 'xcb:ConfigureWindow
:window (frame-parameter exwm--floating-frame
'exwm-outer-id)
:value-mask xcb:ConfigWindow:Width
:width width))
(xcb:flush exwm--connection))))
(t
(let* ((height (frame-pixel-height))
(edges (window-inside-pixel-edges))
(inner-height (- (elt edges 3) (elt edges 1)))
(margin (- height inner-height)))
(if (> delta 0)
(if (not exwm--normal-hints-max-height)
(cl-incf height delta)
(if (>= inner-height exwm--normal-hints-max-height)
(setq height nil)
(setq height (min (+ exwm--normal-hints-max-height margin)
(+ height delta)))))
(if (not exwm--normal-hints-min-height)
(cl-incf height delta)
(if (<= inner-height exwm--normal-hints-min-height)
(setq height nil)
(setq height (max (+ exwm--normal-hints-min-height margin)
(+ height delta))))))
(when height
(setq exwm--floating-edges nil) ;invalid from now on
(xcb:+request exwm--connection
(make-instance 'xcb:ConfigureWindow
:window (frame-parameter exwm--floating-frame
'exwm-outer-id)
:value-mask xcb:ConfigWindow:Height
:height height))
(xcb:flush exwm--connection))))))
(defun exwm-layout-enlarge-window-horizontally (delta)
"Make the selected window DELTA pixels wider.
See also `exwm-layout-enlarge-window'."
(interactive "p")
(exwm-layout-enlarge-window delta t))
(defun exwm-layout-shrink-window (delta)
"Make the selected window DELTA pixels lower.
See also `exwm-layout-enlarge-window'."
(interactive "p")
(exwm-layout-enlarge-window (- delta)))
(defun exwm-layout-shrink-window-horizontally (delta)
"Make the selected window DELTA pixels narrower.
See also `exwm-layout-enlarge-window'."
(interactive "p")
(exwm-layout-enlarge-window (- delta) t))
(defun exwm-layout--init ()
"Initialize layout module."
;; Auto refresh layout