mirror of
https://github.com/emacs-exwm/exwm.git
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6571bb5761
; Eliminate compile warnings. ; Rename frame parameter 'exwm--urgency' to 'exwm-urgency'. ; Simplify expressions.
243 lines
9.3 KiB
EmacsLisp
243 lines
9.3 KiB
EmacsLisp
;;; exwm-core.el --- Core definitions -*- lexical-binding: t -*-
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;; Copyright (C) 2015-2016 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 includes core definitions of variables, macros, functions, etc
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;; shared by various other modules.
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;;; Code:
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(require 'xcb)
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(require 'xcb-icccm)
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(require 'xcb-ewmh)
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(eval-and-compile
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(defvar exwm-debug-on nil "Non-nil to turn on debug for EXWM."))
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(defmacro exwm--log (format-string &rest args)
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"Print debug message."
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(when exwm-debug-on
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`(message (concat "[EXWM] " ,format-string) ,@args)))
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(defmacro exwm--debug (&rest forms)
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(when exwm-debug-on `(progn ,@forms)))
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(defvar exwm--connection nil "X connection.")
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(defvar exwm--root nil "Root window.")
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(defvar exwm--id-buffer-alist nil "Alist of (<X window ID> . <Emacs buffer>).")
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(defsubst exwm--id->buffer (id)
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"X window ID => Emacs buffer."
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(cdr (assoc id exwm--id-buffer-alist)))
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(defsubst exwm--buffer->id (buffer)
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"Emacs buffer BUFFER => X window ID."
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(car (rassoc buffer exwm--id-buffer-alist)))
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(defun exwm--lock (&rest _args)
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"Lock (disable all events)."
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(xcb:+request exwm--connection
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(make-instance 'xcb:ChangeWindowAttributes
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:window exwm--root
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:value-mask xcb:CW:EventMask
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:event-mask xcb:EventMask:NoEvent))
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(xcb:flush exwm--connection))
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(defun exwm--unlock (&rest _args)
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"Unlock (enable all events)."
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(xcb:+request exwm--connection
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(make-instance 'xcb:ChangeWindowAttributes
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:window exwm--root
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:value-mask xcb:CW:EventMask
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:event-mask (eval-when-compile
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(logior xcb:EventMask:SubstructureRedirect
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xcb:EventMask:StructureNotify))))
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(xcb:flush exwm--connection))
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(defconst exwm--client-event-mask
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(eval-when-compile
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(logior xcb:EventMask:StructureNotify xcb:EventMask:PropertyChange))
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"Event mask set on all managed windows.")
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(declare-function exwm-input--on-KeyPress-line-mode "exwm-input.el"
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(key-press))
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;; Internal variables
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(defvar-local exwm--id nil) ;window ID
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(defvar-local exwm--container nil) ;container
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(defvar-local exwm--frame nil) ;workspace frame
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(defvar-local exwm--floating-frame nil) ;floating frame
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(defvar-local exwm--mode-line-format nil) ;save mode-line-format
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(defvar-local exwm--fullscreen nil) ;used in fullscreen
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(defvar-local exwm--floating-frame-position nil) ;used in fullscreen
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(defvar-local exwm--fixed-size nil) ;fixed size
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(defvar-local exwm--keyboard-grabbed nil) ;Keyboard grabbed.
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(defvar-local exwm--on-KeyPress ;KeyPress event handler
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#'exwm-input--on-KeyPress-line-mode)
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;; Properties
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(defvar-local exwm-window-type nil "_NET_WM_WINDOW_TYPE.")
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(defvar-local exwm--geometry nil)
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(defvar-local exwm-class-name nil "Class name in WM_CLASS.")
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(defvar-local exwm-instance-name nil "Instance name in WM_CLASS.")
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(defvar-local exwm-title nil "Window title (either _NET_WM_NAME or WM_NAME)")
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(defvar-local exwm--title-is-utf8 nil)
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(defvar-local exwm-transient-for nil "WM_TRANSIENT_FOR.")
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(defvar-local exwm--protocols nil)
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(defvar-local exwm-state xcb:icccm:WM_STATE:NormalState "WM_STATE.")
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;; _NET_WM_NORMAL_HINTS
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(defvar-local exwm--normal-hints-x nil)
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(defvar-local exwm--normal-hints-y nil)
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(defvar-local exwm--normal-hints-width nil)
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(defvar-local exwm--normal-hints-height nil)
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(defvar-local exwm--normal-hints-min-width nil)
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(defvar-local exwm--normal-hints-min-height nil)
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(defvar-local exwm--normal-hints-max-width nil)
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(defvar-local exwm--normal-hints-max-height nil)
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;; (defvar-local exwm--normal-hints-win-gravity nil)
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;; WM_HINTS
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(defvar-local exwm--hints-input nil)
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(defvar-local exwm--hints-urgency nil)
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;; _MOTIF_WM_HINTS
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(defvar-local exwm--mwm-hints-decorations t)
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(declare-function exwm-floating-hide "exwm-floating.el")
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(declare-function exwm-floating-toggle-floating "exwm-floating.el")
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(declare-function exwm-input-release-keyboard "exwm-input.el")
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(declare-function exwm-input-send-next-key "exwm-input.el" (times))
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(declare-function exwm-layout-set-fullscreen "exwm-layout.el" (&optional id))
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(declare-function exwm-layout-toggle-mode-line "exwm-layout.el")
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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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(defvar exwm-mode-map
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(let ((map (make-sparse-keymap)))
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(define-key map "\C-c\C-f" #'exwm-layout-set-fullscreen)
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(define-key map "\C-c\C-h" #'exwm-floating-hide)
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(define-key map "\C-c\C-k" #'exwm-input-release-keyboard)
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(define-key map "\C-c\C-m" #'exwm-workspace-move-window)
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(define-key map "\C-c\C-q" #'exwm-input-send-next-key)
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(define-key map "\C-c\C-t\C-f" #'exwm-floating-toggle-floating)
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(define-key map "\C-c\C-t\C-m" #'exwm-layout-toggle-mode-line)
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map)
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"Keymap for `exwm-mode'.")
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;; This menu mainly acts as an reminder for users. Thus it should be as
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;; detailed as possible, even some entries do not make much sense here.
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;; Also, inactive entries should be disabled rather than hidden.
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(easy-menu-define exwm-mode-menu exwm-mode-map
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"Menu for `exwm-mode'."
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'("EXWM"
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"---"
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"*General*"
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"---"
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["Toggle floating" exwm-floating-toggle-floating]
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["Enter fullscreen" exwm-layout-set-fullscreen (not exwm--fullscreen)]
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["Leave fullscreen" exwm-reset exwm--fullscreen]
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["Hide window" exwm-floating-hide exwm--floating-frame]
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"---"
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"*Resizing*"
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"---"
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["Toggle mode-line" exwm-layout-toggle-mode-line :keys "C-c C-t C-m"]
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["Enlarge window vertically" exwm-layout-enlarge-window]
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["Enlarge window horizontally" exwm-layout-enlarge-window-horizontally]
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["Shrink window vertically" exwm-layout-shrink-window]
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["Shrink window horizontally" exwm-layout-shrink-window-horizontally]
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"---"
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"*Keyboard*"
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"---"
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["Capture keyboard" exwm-input-release-keyboard exwm--keyboard-grabbed]
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;; It's recommended to use `exwm-reset' rather than
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;; `exwm-input-grab-keyboard' to release keyboard (enter line-mode).
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["Release keyboard" exwm-reset (not exwm--keyboard-grabbed)]
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["Send key" exwm-input-send-next-key exwm--keyboard-grabbed]
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;; This is merely a reference.
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("Send simulation key" :filter
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(lambda (&rest _args)
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(mapcar (lambda (i)
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(let ((keys (cdr i)))
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(if (vectorp keys)
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(setq keys (append keys))
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(unless (sequencep keys)
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(setq keys (list keys))))
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(vector (key-description keys)
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`(lambda ()
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(interactive)
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(dolist (key ',keys)
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(exwm-input--fake-key key)))
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:keys (key-description (car i)))))
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exwm-input--simulation-keys)))
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["Define global binding" exwm-input-set-key]
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"---"
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"*Workspace*"
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"---"
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["Add workspace" exwm-workspace-add]
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["Delete current workspace" exwm-workspace-delete]
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["Move workspace to" exwm-workspace-move]
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["Swap workspaces" exwm-workspace-swap]
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["Move X window to" exwm-workspace-move-window :keys "C-c C-m"]
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["Move X window from" exwm-workspace-switch-to-buffer]
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["Switch workspace" exwm-workspace-switch]
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;; Place this entry at bottom to avoid selecting others by accident.
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("Switch to" :filter
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(lambda (&rest _args)
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(mapcar (lambda (i)
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`[,(format "workspace %d" i)
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(lambda ()
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(interactive)
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(exwm-workspace-switch ,i))
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(/= ,i exwm-workspace-current-index)])
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(number-sequence 0 (1- (exwm-workspace--count))))))))
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(declare-function exwm-manage--kill-buffer-query-function "exwm-manage.el")
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(define-derived-mode exwm-mode nil "EXWM"
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"Major mode for managing X windows.
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\\{exwm-mode-map}"
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;;
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(setq mode-name
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'(:eval (propertize "EXWM" 'face
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(when (cl-some (lambda (i)
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(frame-parameter i 'exwm-urgency))
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exwm-workspace--list)
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'font-lock-warning-face))))
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;; Change major-mode is not allowed
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(add-hook 'change-major-mode-hook #'kill-buffer nil t)
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;; Kill buffer -> close window
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(add-hook 'kill-buffer-query-functions
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#'exwm-manage--kill-buffer-query-function nil t)
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(setq buffer-read-only t
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left-margin-width nil
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right-margin-width nil
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left-fringe-width 0
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right-fringe-width 0
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vertical-scroll-bar nil))
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(provide 'exwm-core)
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;;; exwm-core.el ends here
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