612 lines
		
	
	
	
		
			28 KiB
		
	
	
	
		
			EmacsLisp
		
	
	
	
	
	
			
		
		
	
	
			612 lines
		
	
	
	
		
			28 KiB
		
	
	
	
		
			EmacsLisp
		
	
	
	
	
	
;;; exwm-layout.el --- Layout Module for EXWM  -*- lexical-binding: t -*-
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;; Copyright (C) 2015-2017 Free Software Foundation, Inc.
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;; Author: Chris Feng <chris.w.feng@gmail.com>
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; This module is responsible for keeping X client window properly displayed.
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;;; Code:
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(require 'exwm-core)
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(defvar exwm-floating-border-width)
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(defun exwm-layout--resize-container (id container x y width height
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                                         &optional container-only)
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  "Resize a container (and its content unless CONTAINER-ONLY is non-nil)."
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  (xcb:+request exwm--connection
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      (make-instance 'xcb:ConfigureWindow
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                     :window container
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                     :value-mask (eval-when-compile
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                                   (logior xcb:ConfigWindow:X
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                                           xcb:ConfigWindow:Y
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                                           xcb:ConfigWindow:Width
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                                           xcb:ConfigWindow:Height))
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                     :x x :y y :width width :height height))
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  (unless container-only
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    (xcb:+request exwm--connection
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        (make-instance 'xcb:ConfigureWindow
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                       :window id
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                       :value-mask (eval-when-compile
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                                     (logior xcb:ConfigWindow:Width
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                                             xcb:ConfigWindow:Height))
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                       :width width :height height))))
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(defun exwm-layout--set-state (id state)
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  "Set WM_STATE."
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  (xcb:+request exwm--connection
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      (make-instance 'xcb:icccm:set-WM_STATE
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                     :window id :state state :icon xcb:Window:None))
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  (with-current-buffer (exwm--id->buffer id)
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    (setq exwm-state state)))
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(defun exwm-layout--iconic-state-p (&optional id)
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  (= xcb:icccm:WM_STATE:IconicState
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     (if id
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         (buffer-local-value 'exwm-state (exwm--id->buffer id))
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       exwm-state)))
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(defun exwm-layout--show (id &optional window)
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  "Show window ID exactly fit in the Emacs window WINDOW."
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  (exwm--log "Show #x%x in %s" id window)
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  (let* ((edges (window-inside-absolute-pixel-edges window))
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         (x (pop edges))
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         (y (pop edges))
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         (width (- (pop edges) x))
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         (height (- (pop edges) y))
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         (edges (window-inside-pixel-edges window))
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         (relative-x (pop edges))
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         (relative-y (pop edges))
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         frame-width frame-height)
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    (with-current-buffer (exwm--id->buffer id)
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      (if (not exwm--floating-frame)
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          (exwm-layout--resize-container id exwm--container
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                                         relative-x relative-y width height
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                                         ;; Keep the size of the X window if
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                                         ;; it's the minibuffer that resized.
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                                         (and
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                                          (active-minibuffer-window)
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                                          (< 1 (window-height
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                                                (active-minibuffer-window)))))
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        ;; A floating X window is of the same size as the Emacs window,
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        ;; whereas its container is of the same size as the Emacs frame.
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        (setq frame-width (frame-pixel-width exwm--floating-frame)
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              frame-height (frame-pixel-height exwm--floating-frame))
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        (xcb:+request exwm--connection
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            (make-instance 'xcb:ConfigureWindow
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                           :window exwm--container
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                           :value-mask (logior xcb:ConfigWindow:Width
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                                               xcb:ConfigWindow:Height)
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                           :width frame-width
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                           :height frame-height))
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        (xcb:+request exwm--connection
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            (make-instance 'xcb:ConfigureWindow
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                           :window (frame-parameter exwm--floating-frame
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                                                    'exwm-container)
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                           :value-mask (logior xcb:ConfigWindow:Width
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                                               xcb:ConfigWindow:Height)
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                           :width frame-width
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                           :height frame-height))
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        (xcb:+request exwm--connection
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            (make-instance 'xcb:ConfigureWindow
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                           :window exwm--id
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                           :value-mask (logior xcb:ConfigWindow:X
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                                               xcb:ConfigWindow:Y
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                                               xcb:ConfigWindow:Width
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                                               xcb:ConfigWindow:Height)
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                           :x relative-x
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                           :y relative-y
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                           :width width
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                           :height height)))
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      ;; Make the resizing take effect.
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      (xcb:flush exwm--connection)
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      (xcb:+request exwm--connection (make-instance 'xcb:MapWindow :window id))
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      (xcb:+request exwm--connection
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          (make-instance 'xcb:MapWindow :window exwm--container))
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      (exwm-layout--set-state id xcb:icccm:WM_STATE:NormalState))
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    (xcb:+request exwm--connection
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        (make-instance 'xcb:SendEvent
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                       :propagate 0 :destination id
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                       :event-mask xcb:EventMask:StructureNotify
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                       :event (xcb:marshal
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                               (make-instance 'xcb:ConfigureNotify
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                                              :event id
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                                              :window id
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                                              :above-sibling xcb:Window:None
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                                              :x x
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                                              :y y
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                                              :width width
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                                              :height height
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                                              :border-width 0
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                                              :override-redirect 0)
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                               exwm--connection))))
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  (xcb:flush exwm--connection))
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(defun exwm-layout--hide (id)
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  "Hide window ID."
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  (with-current-buffer (exwm--id->buffer id)
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    (unless (exwm-layout--iconic-state-p) ;already hidden
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      (exwm--log "Hide #x%x" id)
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      (xcb:+request exwm--connection
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          (make-instance 'xcb:ChangeWindowAttributes
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                         :window id :value-mask xcb:CW:EventMask
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                         :event-mask xcb:EventMask:NoEvent))
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      (xcb:+request exwm--connection
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          (make-instance 'xcb:UnmapWindow :window id))
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      (xcb:+request exwm--connection
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          (make-instance 'xcb:ChangeWindowAttributes
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                         :window id :value-mask xcb:CW:EventMask
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                         :event-mask exwm--client-event-mask))
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      (xcb:+request exwm--connection
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          (make-instance 'xcb:UnmapWindow :window exwm--container))
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      (exwm-layout--set-state id xcb:icccm:WM_STATE:IconicState)
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      (xcb:flush exwm--connection))))
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(defvar exwm-workspace--current)
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(declare-function exwm-input-grab-keyboard "exwm-input.el")
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(declare-function exwm-input-release-keyboard "exwm-input.el")
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(declare-function exwm-workspace--current-height "exwm-workspace.el")
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(declare-function exwm-workspace--current-width  "exwm-workspace.el")
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(declare-function exwm-workspace--get-geometry "exwm-workspace.el" (frame))
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(declare-function exwm-workspace--minibuffer-own-frame-p "exwm-workspace.el")
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(declare-function exwm-workspace--set-fullscreen "exwm-workspace.el" (frame))
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(declare-function exwm-workspace-move-window "exwm-workspace.el"
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                  (frame-or-index &optional id))
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;;;###autoload
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(defun exwm-layout-set-fullscreen (&optional id)
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  "Make window ID fullscreen."
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  (interactive)
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  (with-current-buffer (if id (exwm--id->buffer id) (window-buffer))
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    (when (memq xcb:Atom:_NET_WM_STATE_FULLSCREEN exwm--ewmh-state)
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      (user-error "Already in full-screen mode"))
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    ;; Save the position of floating frame.
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    (when exwm--floating-frame
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      (let* ((geometry (xcb:+request-unchecked+reply exwm--connection
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                           (make-instance 'xcb:GetGeometry
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                                          :drawable exwm--container))))
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        (setq exwm--floating-frame-position
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              (vector (slot-value geometry 'x) (slot-value geometry 'y)))))
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    ;; Expand the workspace to fill the whole screen.
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    (with-slots (x y width height) (exwm-workspace--get-geometry exwm--frame)
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      (exwm-layout--resize-container nil
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                                     (frame-parameter exwm--frame
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                                                      'exwm-workspace)
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                                     x y width height
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                                     t))
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    ;; Raise the workspace container (in case there are docks).
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    (xcb:+request exwm--connection
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        (make-instance 'xcb:ConfigureWindow
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                       :window (frame-parameter exwm--frame 'exwm-workspace)
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                       :value-mask xcb:ConfigWindow:StackMode
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                       :stack-mode xcb:StackMode:Above))
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    ;; Expand the X window and its container to fill the whole screen.
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    ;; Rationale: Floating X windows may not be positioned at (0, 0)
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    ;; due to the extra border.
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    (exwm-layout--resize-container nil exwm--container 0 0
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                                   (exwm-workspace--current-width)
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                                   (exwm-workspace--current-height)
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                                   t)
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    (exwm-layout--resize-container nil exwm--id 0 0
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                                   (exwm-workspace--current-width)
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                                   (exwm-workspace--current-height)
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                                   t)
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    ;; Raise the X window.
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    (xcb:+request exwm--connection
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        (make-instance 'xcb:ConfigureWindow
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                       :window exwm--container
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                       :value-mask (logior xcb:ConfigWindow:BorderWidth
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                                           xcb:ConfigWindow:StackMode)
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                       :border-width 0
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                       :stack-mode xcb:StackMode:Above))
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    (xcb:+request exwm--connection
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        (make-instance 'xcb:ewmh:set-_NET_WM_STATE
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                       :window exwm--id
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                       :data (vector xcb:Atom:_NET_WM_STATE_FULLSCREEN)))
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    (xcb:flush exwm--connection)
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    (cl-pushnew xcb:Atom:_NET_WM_STATE_FULLSCREEN exwm--ewmh-state)
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    (call-interactively #'exwm-input-release-keyboard)))
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;;;###autoload
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(defun exwm-layout-unset-fullscreen (&optional id)
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  "Restore window from fullscreen state."
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  (interactive)
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  (with-current-buffer (if id (exwm--id->buffer id) (window-buffer))
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    (unless (memq xcb:Atom:_NET_WM_STATE_FULLSCREEN exwm--ewmh-state)
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      (user-error "Not in full-screen mode"))
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    ;; Restore the size of this workspace.
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    (exwm-workspace--set-fullscreen exwm--frame)
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    (if exwm--floating-frame
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        ;; Restore the floating frame.
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        (xcb:+request exwm--connection
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            (make-instance 'xcb:ConfigureWindow
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                           :window exwm--container
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                           :value-mask (eval-when-compile
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                                         (logior xcb:ConfigWindow:X
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                                                 xcb:ConfigWindow:Y
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                                                 xcb:ConfigWindow:BorderWidth))
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                           :x (elt exwm--floating-frame-position 0)
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                           :y (elt exwm--floating-frame-position 1)
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                           :border-width exwm-floating-border-width))
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      ;; Put the X window just above the Emacs frame.
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      (xcb:+request exwm--connection
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          (make-instance 'xcb:ConfigureWindow
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                         :window exwm--container
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                         :value-mask (logior xcb:ConfigWindow:Sibling
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                                             xcb:ConfigWindow:StackMode)
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                         :sibling (frame-parameter exwm-workspace--current
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                                                   'exwm-container)
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                         :stack-mode xcb:StackMode:Above)))
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    (exwm-layout--show exwm--id)
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    (xcb:+request exwm--connection
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        (make-instance 'xcb:ewmh:set-_NET_WM_STATE :window exwm--id :data []))
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    (xcb:flush exwm--connection)
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    (setq exwm--ewmh-state
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          (delq xcb:Atom:_NET_WM_STATE_FULLSCREEN exwm--ewmh-state))
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    (call-interactively #'exwm-input-grab-keyboard)))
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;;;###autoload
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(defun exwm-layout-toggle-fullscreen (&optional id)
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  "Toggle fullscreen mode."
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  (interactive (list (exwm--buffer->id (window-buffer))))
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  (when id
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    (with-current-buffer (exwm--id->buffer id)
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      (if (memq xcb:Atom:_NET_WM_STATE_FULLSCREEN exwm--ewmh-state)
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          (exwm-reset)
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        (exwm-layout-set-fullscreen id)))))
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(defvar exwm-layout--other-buffer-exclude-exwm-mode-buffers nil
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  "When non-nil, prevent EXWM buffers from being selected by `other-buffer'.")
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(defvar exwm-layout--other-buffer-exclude-buffers nil
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  "List of buffers that should not be selected by `other-buffer'.")
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(defun exwm-layout--other-buffer-predicate (buffer)
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  "Return non-nil when the BUFFER may be displayed in selected frame.
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Prevents EXWM-mode buffers already being displayed on some other window from
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being selected.
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Should be set as `buffer-predicate' frame parameter for all
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frames.  Used by `other-buffer'.
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When variable `exwm-layout--other-buffer-exclude-exwm-mode-buffers'
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is t EXWM buffers are never selected by `other-buffer'.
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When variable `exwm-layout--other-buffer-exclude-buffers' is a
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list of buffers, EXWM buffers belonging to that list are never
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selected by `other-buffer'."
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  (or (not (eq 'exwm-mode (buffer-local-value 'major-mode buffer)))
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      (and (not exwm-layout--other-buffer-exclude-exwm-mode-buffers)
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           (not (memq buffer exwm-layout--other-buffer-exclude-buffers))
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           ;; Do not select if already shown in some window.
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           (not (get-buffer-window buffer t)))))
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(defvar exwm-layout-show-all-buffers nil
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  "Non-nil to allow switching to buffers on other workspaces.")
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(declare-function exwm-workspace--workspace-p "exwm-workspace.el"
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                  (workspace))
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(defun exwm-layout--set-client-list-stacking ()
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  "Set _NET_CLIENT_LIST_STACKING."
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  (let (id clients-floating clients clients-iconic clients-other)
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    (dolist (pair exwm--id-buffer-alist)
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      (setq id (car pair))
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      (with-current-buffer (cdr pair)
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        (if (eq exwm--frame exwm-workspace--current)
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            (if exwm--floating-frame
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                ;; A floating X window on the current workspace.
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                (setq clients-floating (cons id clients-floating))
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              (if (get-buffer-window (cdr pair) exwm-workspace--current)
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                  ;; A normal tilling X window on the current workspace.
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                  (setq clients (cons id clients))
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                ;; An iconic tilling X window on the current workspace.
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                (setq clients-iconic (cons id clients-iconic))))
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          ;; X window on other workspaces.
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          (setq clients-other (cons id clients-other)))))
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    (xcb:+request exwm--connection
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        (make-instance 'xcb:ewmh:set-_NET_CLIENT_LIST_STACKING
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                       :window exwm--root
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                       :data (vconcat (append clients-other clients-iconic
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                                              clients clients-floating))))))
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(defun exwm-layout--refresh (&optional frame)
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  "Refresh layout."
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  ;; `window-size-change-functions' sets this argument while
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  ;; `window-configuration-change-hook' makes the frame selected.
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  (unless frame
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    (setq frame (selected-frame)))
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  (let (covered-buffers   ;EXWM-buffers covered by a new X window.
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        vacated-windows   ;Windows previously displaying EXWM-buffers.
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        windows)
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    (if (not (exwm-workspace--workspace-p frame))
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        (if (frame-parameter frame 'exwm-outer-id)
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            ;; Refresh a floating frame
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            (let ((window (frame-first-window frame)))
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              (with-current-buffer (window-buffer window)
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                (when (and (eq major-mode 'exwm-mode)
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                           ;; It may be a buffer waiting to be killed.
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                           (exwm--id->buffer exwm--id))
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                  (exwm--log "Refresh floating window #x%x" exwm--id)
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                  (exwm-layout--show exwm--id window))))
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          ;; Other frames (e.g. terminal/graphical frame of emacsclient)
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          ;; We shall bury all `exwm-mode' buffers in this case
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          (setq windows (window-list frame 0)) ;exclude minibuffer
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          (let ((exwm-layout--other-buffer-exclude-exwm-mode-buffers t))
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            (dolist (window windows)
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              (with-current-buffer (window-buffer window)
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                (when (eq major-mode 'exwm-mode)
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                  (switch-to-prev-buffer window))))))
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      ;; Refresh the whole workspace
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      ;; Workspaces other than the active one can also be refreshed (RandR)
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      (exwm--log "Refresh workspace %s" frame)
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      (dolist (pair exwm--id-buffer-alist)
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        (with-current-buffer (cdr pair)
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          (when (and (not exwm--floating-frame) ;exclude floating X windows
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                     (or exwm-layout-show-all-buffers
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                         ;; Exclude X windows on other workspaces
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                         (eq frame exwm--frame)))
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            (setq windows (get-buffer-window-list (current-buffer) 0))
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            (if (not windows)
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                (when (eq frame exwm--frame) ;for exwm-layout-show-all-buffers
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                  (exwm-layout--hide exwm--id))
 | 
						||
              (let ((window (car windows)))
 | 
						||
                (if (eq frame exwm--frame)
 | 
						||
                    (exwm-layout--show exwm--id window)
 | 
						||
                  (exwm-workspace-move-window frame exwm--id))
 | 
						||
                ;; Make sure this buffer is not displayed elsewhere.  Note down
 | 
						||
                ;; windows displaying an EXWM-buffer now displayed elsewhere; we
 | 
						||
                ;; need to display with some other buffer there.
 | 
						||
                (setq vacated-windows
 | 
						||
                      (append vacated-windows (cdr (get-buffer-window-list
 | 
						||
                                                    (current-buffer) 0 t))))
 | 
						||
                ;; Note down when an EXWM-buffer is being covered by this
 | 
						||
                ;; buffer; we don't want it to reappear in some vacated window.
 | 
						||
                (let ((prev-buffer (car-safe
 | 
						||
                                    (car-safe (window-prev-buffers window)))))
 | 
						||
                  (and
 | 
						||
                   prev-buffer
 | 
						||
                   (eq 'exwm-mode (buffer-local-value 'major-mode prev-buffer))
 | 
						||
                   (push prev-buffer covered-buffers))))))))
 | 
						||
      ;; Set some sensible buffer to vacated windows.
 | 
						||
      (let ((exwm-layout--other-buffer-exclude-buffers covered-buffers))
 | 
						||
        (dolist (window vacated-windows)
 | 
						||
          (switch-to-prev-buffer window)))
 | 
						||
      ;; Make sure windows floating / on other workspaces are excluded
 | 
						||
      (let ((exwm-layout--other-buffer-exclude-exwm-mode-buffers t))
 | 
						||
        (dolist (window (window-list frame 0))
 | 
						||
          (with-current-buffer (window-buffer window)
 | 
						||
            (when (and (eq major-mode 'exwm-mode)
 | 
						||
                       (or exwm--floating-frame (not (eq frame exwm--frame))))
 | 
						||
              (switch-to-prev-buffer window)))))
 | 
						||
      (exwm-layout--set-client-list-stacking)
 | 
						||
      (xcb:flush exwm--connection))))
 | 
						||
 | 
						||
(declare-function exwm-workspace--client-p "exwm-workspace.el"
 | 
						||
                  (&optional frame))
 | 
						||
 | 
						||
(defun exwm-layout--on-minibuffer-setup ()
 | 
						||
  "Refresh layout when minibuffer grows."
 | 
						||
  (unless (exwm-workspace--client-p)
 | 
						||
    (run-with-idle-timer 0.01 nil         ;FIXME
 | 
						||
                         (lambda ()
 | 
						||
                           (when (< 1 (window-height (minibuffer-window)))
 | 
						||
                             (exwm-layout--refresh))))))
 | 
						||
 | 
						||
(defun exwm-layout--on-echo-area-change (&optional dirty)
 | 
						||
  "Run when message arrives or in `echo-area-clear-hook' to refresh layout."
 | 
						||
  (when (and (current-message)
 | 
						||
             (not (exwm-workspace--client-p))
 | 
						||
             (or (cl-position ?\n (current-message))
 | 
						||
                 (> (length (current-message))
 | 
						||
                    (frame-width exwm-workspace--current))))
 | 
						||
    (if dirty
 | 
						||
        (exwm-layout--refresh)
 | 
						||
      (run-with-idle-timer 0.01 nil #'exwm-layout--refresh)))) ;FIXME
 | 
						||
 | 
						||
;;;###autoload
 | 
						||
(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
 | 
						||
        (setf (slot-value exwm--geometry 'width) width)
 | 
						||
        (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:+request exwm--connection
 | 
						||
            (make-instance 'xcb:ConfigureWindow
 | 
						||
                           :window (frame-parameter exwm--floating-frame
 | 
						||
                                                    'exwm-container)
 | 
						||
                           :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
 | 
						||
        (setf (slot-value exwm--geometry 'height) height)
 | 
						||
        (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:+request exwm--connection
 | 
						||
            (make-instance 'xcb:ConfigureWindow
 | 
						||
                           :window (frame-parameter exwm--floating-frame
 | 
						||
                                                    'exwm-container)
 | 
						||
                           :value-mask xcb:ConfigWindow:Height
 | 
						||
                           :height height))
 | 
						||
        (xcb:flush exwm--connection))))))
 | 
						||
 | 
						||
;;;###autoload
 | 
						||
(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))
 | 
						||
 | 
						||
;;;###autoload
 | 
						||
(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)))
 | 
						||
 | 
						||
;;;###autoload
 | 
						||
(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))
 | 
						||
 | 
						||
;;;###autoload
 | 
						||
(defun exwm-layout-hide-mode-line ()
 | 
						||
  "Hide mode-line."
 | 
						||
  (interactive)
 | 
						||
  (when (and (eq major-mode 'exwm-mode) mode-line-format)
 | 
						||
    (let (mode-line-height)
 | 
						||
      (when exwm--floating-frame
 | 
						||
        (setq mode-line-height (window-mode-line-height
 | 
						||
                                (frame-root-window exwm--floating-frame))))
 | 
						||
      (setq exwm--mode-line-format mode-line-format
 | 
						||
            mode-line-format nil)
 | 
						||
      (if (not exwm--floating-frame)
 | 
						||
          (exwm-layout--show exwm--id)
 | 
						||
        (set-frame-height exwm--floating-frame
 | 
						||
                          (- (frame-pixel-height exwm--floating-frame)
 | 
						||
                             mode-line-height)
 | 
						||
                          nil t)))))
 | 
						||
 | 
						||
;;;###autoload
 | 
						||
(defun exwm-layout-show-mode-line ()
 | 
						||
  "Show mode-line."
 | 
						||
  (interactive)
 | 
						||
  (when (and (eq major-mode 'exwm-mode) (not mode-line-format))
 | 
						||
    (setq mode-line-format exwm--mode-line-format
 | 
						||
          exwm--mode-line-format nil)
 | 
						||
    (if (not exwm--floating-frame)
 | 
						||
        (exwm-layout--show exwm--id)
 | 
						||
      (set-frame-height exwm--floating-frame
 | 
						||
                        (+ (frame-pixel-height exwm--floating-frame)
 | 
						||
                           (window-mode-line-height (frame-root-window
 | 
						||
                                                     exwm--floating-frame)))
 | 
						||
                        nil t)
 | 
						||
      (call-interactively #'exwm-input-grab-keyboard))
 | 
						||
    (force-mode-line-update)))
 | 
						||
 | 
						||
;;;###autoload
 | 
						||
(defun exwm-layout-toggle-mode-line ()
 | 
						||
  "Toggle the display of mode-line."
 | 
						||
  (interactive)
 | 
						||
  (when (eq major-mode 'exwm-mode)
 | 
						||
    (if mode-line-format
 | 
						||
        (exwm-layout-hide-mode-line)
 | 
						||
      (exwm-layout-show-mode-line))))
 | 
						||
 | 
						||
(defvar exwm-layout--timer nil "Timer used to track echo area changes.")
 | 
						||
 | 
						||
(defun exwm-layout--init ()
 | 
						||
  "Initialize layout module."
 | 
						||
  ;; Auto refresh layout
 | 
						||
  (add-hook 'window-configuration-change-hook #'exwm-layout--refresh)
 | 
						||
  ;; The behavior of `window-configuration-change-hook' will be changed.
 | 
						||
  (when (fboundp 'window-pixel-width-before-size-change)
 | 
						||
    (add-hook 'window-size-change-functions #'exwm-layout--refresh))
 | 
						||
  (unless (exwm-workspace--minibuffer-own-frame-p)
 | 
						||
    ;; Refresh when minibuffer grows
 | 
						||
    (add-hook 'minibuffer-setup-hook #'exwm-layout--on-minibuffer-setup t)
 | 
						||
    (setq exwm-layout--timer
 | 
						||
          (run-with-idle-timer 0 t #'exwm-layout--on-echo-area-change t))
 | 
						||
    (add-hook 'echo-area-clear-hook #'exwm-layout--on-echo-area-change)))
 | 
						||
 | 
						||
(defun exwm-layout--exit ()
 | 
						||
  "Exit the layout module."
 | 
						||
  (remove-hook 'window-configuration-change-hook #'exwm-layout--refresh)
 | 
						||
  (remove-hook 'minibuffer-setup-hook #'exwm-layout--on-minibuffer-setup)
 | 
						||
  (when exwm-layout--timer
 | 
						||
    (cancel-timer exwm-layout--timer)
 | 
						||
    (setq exwm-layout--timer nil))
 | 
						||
  (remove-hook 'echo-area-clear-hook #'exwm-layout--on-echo-area-change))
 | 
						||
 | 
						||
 | 
						||
 | 
						||
(provide 'exwm-layout)
 | 
						||
 | 
						||
;;; exwm-layout.el ends here
 |