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Allow hide/show mode-line on floating frames

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* exwm-core.el: new buffer-local variable exwm--floating-mode-line-format for
  saving mode-line-format when mode-line is hidden
* exwm-floating.el (exwm-floating--fit-frame-to-window)
  (exwm-floating-hide-mode-line, exwm-floating-show-mode-line): new functions
  for resizing frames, hiding/showing mode-line respectively;
  (exwm-floating--set-floating): use exwm-floating--fit-frame-to-window to
  resize frames
This commit is contained in:
Chris Feng 2015-09-07 17:33:22 +08:00
parent 637ac15719
commit eafd031c55
2 changed files with 62 additions and 18 deletions
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1
exwm-core.el
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@ -82,6 +82,7 @@
(defvar-local exwm--frame nil) ;workspace frame (defvar-local exwm--frame nil) ;workspace frame
(defvar-local exwm--floating-frame nil) ;floating frame (defvar-local exwm--floating-frame nil) ;floating frame
(defvar-local exwm--floating-edges nil) ;four edges (defvar-local exwm--floating-edges nil) ;four edges
(defvar-local exwm--floating-mode-line-format nil) ;save mode-line-format
(defvar-local exwm--fullscreen nil) ;used in fullscreen (defvar-local exwm--fullscreen nil) ;used in fullscreen
(defvar-local exwm--floating-frame-geometry nil) ;in fullscreen (defvar-local exwm--floating-frame-geometry nil) ;in fullscreen
(defvar-local exwm--fixed-size nil) ;fixed size (defvar-local exwm--fixed-size nil) ;fixed size

65
exwm-floating.el
View file

@ -166,17 +166,7 @@
(+ width exwm-floating-border-width) (+ width exwm-floating-border-width)
(+ height exwm-floating-border-width)))) (+ height exwm-floating-border-width))))
;; Fit frame to client ;; Fit frame to client
(xcb:+request exwm--connection (exwm-floating--fit-frame-to-window outer-id width height)
(make-instance 'xcb:ConfigureWindow
:window outer-id
:value-mask (logior xcb:ConfigWindow:Width
xcb:ConfigWindow:Height
xcb:ConfigWindow:StackMode)
:width (+ width (* 2 exwm-floating-border-width))
:height (+ height (* 2 exwm-floating-border-width)
(window-mode-line-height)
(window-header-line-height))
:stack-mode xcb:StackMode:Above)) ;top-most
;; Reparent window to this frame ;; Reparent window to this frame
(xcb:+request exwm--connection (xcb:+request exwm--connection
(make-instance 'xcb:ChangeWindowAttributes (make-instance 'xcb:ChangeWindowAttributes
@ -246,6 +236,59 @@
(exwm-floating--unset-floating exwm--id) (exwm-floating--unset-floating exwm--id)
(exwm-floating--set-floating exwm--id)))) (exwm-floating--set-floating exwm--id))))
(defun exwm-floating--fit-frame-to-window (&optional frame-outer-id
width height)
"Resize a floating frame to make it fit the size of the window.
Default to resize `exwm--floating-frame' unless FRAME-OUTER-ID is non-nil.
This function will issue an `xcb:GetGeometry' request unless WIDTH and HEIGHT
are provided. You should call `xcb:flush' and assign `window-size-fixed' a
non-nil value afterwards."
(setq window-size-fixed nil)
(unless (and width height)
(let ((geometry (xcb:+request-unchecked+reply exwm--connection
(make-instance 'xcb:GetGeometry :drawable exwm--id))))
(setq width (slot-value geometry 'width)
height (slot-value geometry 'height))))
(xcb:+request exwm--connection
(make-instance 'xcb:ConfigureWindow
:window (or frame-outer-id
(frame-parameter exwm--floating-frame
'exwm-outer-id))
:value-mask (logior xcb:ConfigWindow:Width
xcb:ConfigWindow:Height
xcb:ConfigWindow:StackMode)
:width (+ width (* 2 exwm-floating-border-width))
:height (+ height (* 2 exwm-floating-border-width)
(window-mode-line-height)
(window-header-line-height))
:stack-mode xcb:StackMode:Above))) ;top-most
(defun exwm-floating-hide-mode-line ()
"Hide mode-line of a floating frame."
(interactive)
(unless (eq major-mode 'exwm-mode)
(user-error "[EXWM] Please use this command with EXWM buffers"))
(when (and exwm--floating-frame mode-line-format)
(setq exwm--floating-mode-line-format mode-line-format
mode-line-format nil)
(exwm-floating--fit-frame-to-window)
(xcb:flush exwm--connection)
(setq window-size-fixed t)))
(defun exwm-floating-show-mode-line ()
"Show mode-line of a floating frame."
(interactive)
(unless (eq major-mode 'exwm-mode)
(user-error "[EXWM] Please use this command with EXWM buffers"))
(when (and exwm--floating-frame (not mode-line-format))
(setq mode-line-format exwm--floating-mode-line-format
exwm--floating-mode-line-format nil)
(exwm-floating--fit-frame-to-window)
(exwm-input-grab-keyboard) ;mode-line-format may be outdated
(xcb:flush exwm--connection)
(setq window-size-fixed t)))
(defvar exwm-floating--moveresize-calculate nil (defvar exwm-floating--moveresize-calculate nil
"Calculate move/resize parameters [frame-id event-mask x y width height].") "Calculate move/resize parameters [frame-id event-mask x y width height].")