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0d1a323124
* exwm-workspace.el (exwm-workspace-switch, exwm-workspace-move-window): Use `equal' to compare RandR output names.
1575 lines
70 KiB
EmacsLisp
1575 lines
70 KiB
EmacsLisp
;;; exwm-workspace.el --- Workspace Module for EXWM -*- lexical-binding: t -*-
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;; Copyright (C) 2015-2018 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 adds workspace support for EXWM.
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;;; Code:
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(require 'server)
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(require 'exwm-core)
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(defgroup exwm-workspace nil
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"Workspace."
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:version "25.3"
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:group 'exwm)
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(defcustom exwm-workspace-switch-hook nil
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"Normal hook run after switching workspace."
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:type 'hook)
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(defcustom exwm-workspace-list-change-hook nil
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"Normal hook run when the workspace list is changed (workspace added,
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deleted, moved, etc)."
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:type 'hook)
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(defcustom exwm-workspace-show-all-buffers nil
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"Non-nil to show buffers on other workspaces."
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:type 'boolean)
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(defcustom exwm-workspace-number 1
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"Initial number of workspaces."
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:type 'integer)
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(defcustom exwm-workspace-index-map #'number-to-string
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"Function for mapping a workspace index to a string for display.
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By default `number-to-string' is applied which yields 0 1 2 ... ."
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:type 'function)
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(defcustom exwm-workspace-minibuffer-position nil
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"Position of the minibuffer frame."
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:type '(choice (const :tag "Bottom (fixed)" nil)
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(const :tag "Bottom (auto-hide)" bottom)
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(const :tag "Top (auto-hide)" top)))
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(defcustom exwm-workspace-display-echo-area-timeout 1
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"Timeout for displaying echo area."
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:type 'integer)
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(defcustom exwm-workspace-switch-create-limit 10
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"Number of workspaces `exwm-workspace-switch-create' allowed to create
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each time."
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:type 'integer)
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(defvar exwm-workspace-current-index 0 "Index of current active workspace.")
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(defvar exwm-workspace--attached-minibuffer-height 0
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"Height (in pixel) of the attached minibuffer.
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If the minibuffer is detached, this value is 0.")
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(defvar exwm-workspace--client nil
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"The 'client' frame parameter of emacsclient frames.")
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(defvar exwm-workspace--create-silently nil
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"When non-nil workspaces are created in the background (not switched to).
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Please manually run the hook `exwm-workspace-list-change-hook' afterwards.")
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(defvar exwm-workspace--current nil "Current active workspace.")
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(defvar exwm-workspace--display-echo-area-timer nil
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"Timer for auto-hiding echo area.")
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(defvar exwm-workspace--id-struts-alist nil "Alist of X window and struts.")
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(defvar exwm-workspace--fullscreen-frame-count 0
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"Count the fullscreen workspace frames.")
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(defvar exwm-workspace--list nil "List of all workspaces (Emacs frames).")
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(defvar exwm-workspace--minibuffer nil
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"The minibuffer frame shared among all frames.")
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(defvar exwm-workspace--prompt-add-allowed nil
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"Non-nil to allow adding workspace from the prompt.")
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(defvar exwm-workspace--prompt-delete-allowed nil
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"Non-nil to allow deleting workspace from the prompt.")
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(defvar exwm-workspace--struts nil "Areas occupied by struts.")
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(defvar exwm-workspace--switch-history nil
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"History for `read-from-minibuffer' to interactively switch workspace.")
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(defvar exwm-workspace--switch-history-outdated nil
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"Non-nil to indicate `exwm-workspace--switch-history' is outdated.")
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(defvar exwm-workspace--timer nil "Timer used to track echo area changes.")
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(defvar exwm-workspace--update-workareas-hook nil
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"Normal hook run when workareas get updated.")
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(defvar exwm-workspace--workareas nil "Workareas (struts excluded).")
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(defvar exwm-input--during-command)
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(defvar exwm-layout-show-all-buffers)
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(defvar exwm-manage--desktop)
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(declare-function exwm--exit "exwm.el")
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(declare-function exwm-input--on-buffer-list-update "exwm-input.el" ())
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(declare-function exwm-layout--hide "exwm-layout.el" (id))
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(declare-function exwm-layout--other-buffer-predicate "exwm-layout.el"
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(buffer))
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(declare-function exwm-layout--refresh "exwm-layout.el")
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(declare-function exwm-layout--show "exwm-layout.el" (id &optional window))
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(defsubst exwm-workspace--position (frame)
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"Retrieve index of given FRAME in workspace list.
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NIL if FRAME is not a workspace"
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(cl-position frame exwm-workspace--list))
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(defsubst exwm-workspace--count ()
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"Retrieve total number of workspaces."
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(length exwm-workspace--list))
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(defsubst exwm-workspace--workspace-p (frame)
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"Return t if FRAME is a workspace."
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(memq frame exwm-workspace--list))
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(defsubst exwm-workspace--client-p (&optional frame)
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"Return non-nil if FRAME is an emacsclient frame."
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(frame-parameter frame 'client))
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(defvar exwm-workspace--switch-map
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(let ((map (make-sparse-keymap)))
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(define-key map [t] (lambda () (interactive)))
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(define-key map "+" #'exwm-workspace--prompt-add)
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(define-key map "-" #'exwm-workspace--prompt-delete)
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(dotimes (i 10)
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(define-key map (int-to-string i)
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#'exwm-workspace--switch-map-nth-prefix))
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(define-key map "\C-a" (lambda () (interactive) (goto-history-element 1)))
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(define-key map "\C-e" (lambda ()
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(interactive)
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(goto-history-element (exwm-workspace--count))))
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(define-key map "\C-g" #'abort-recursive-edit)
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(define-key map "\C-]" #'abort-recursive-edit)
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(define-key map "\C-j" #'exit-minibuffer)
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;; (define-key map "\C-m" #'exit-minibuffer) ;not working
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(define-key map [return] #'exit-minibuffer)
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(define-key map " " #'exit-minibuffer)
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(define-key map "\C-f" #'previous-history-element)
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(define-key map "\C-b" #'next-history-element)
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;; Alternative keys
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(define-key map [right] #'previous-history-element)
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(define-key map [left] #'next-history-element)
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map)
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"Keymap used for interactively switch workspace.")
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(defun exwm-workspace--workspace-from-frame-or-index (frame-or-index)
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"Retrieve the workspace frame from FRAME-OR-INDEX."
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(cond
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((framep frame-or-index)
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(unless (exwm-workspace--position frame-or-index)
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(user-error "[EXWM] Frame is not a workspace %S" frame-or-index))
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frame-or-index)
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((integerp frame-or-index)
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(unless (and (<= 0 frame-or-index)
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(< frame-or-index (exwm-workspace--count)))
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(user-error "[EXWM] Workspace index out of range: %d" frame-or-index))
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(elt exwm-workspace--list frame-or-index))
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(t (user-error "[EXWM] Invalid workspace: %s" frame-or-index))))
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(defun exwm-workspace--prompt-for-workspace (&optional prompt)
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"Prompt for a workspace, returning the workspace frame."
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(exwm-workspace--update-switch-history)
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(let* ((current-idx (exwm-workspace--position exwm-workspace--current))
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(history-add-new-input nil) ;prevent modifying history
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(history-idx (read-from-minibuffer
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(or prompt "Workspace: ")
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(elt exwm-workspace--switch-history current-idx)
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exwm-workspace--switch-map nil
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`(exwm-workspace--switch-history . ,(1+ current-idx))))
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(workspace-idx (cl-position history-idx exwm-workspace--switch-history
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:test #'equal)))
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(elt exwm-workspace--list workspace-idx)))
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(defun exwm-workspace--prompt-add ()
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"Add workspace from the prompt."
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(interactive)
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(when exwm-workspace--prompt-add-allowed
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(let ((exwm-workspace--create-silently t))
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(make-frame)
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(run-hooks 'exwm-workspace-list-change-hook))
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(exwm-workspace--update-switch-history)
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(goto-history-element minibuffer-history-position)))
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(defun exwm-workspace--prompt-delete ()
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"Delete workspace from the prompt."
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(interactive)
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(when (and exwm-workspace--prompt-delete-allowed
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(< 1 (exwm-workspace--count)))
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(let ((frame (elt exwm-workspace--list (1- minibuffer-history-position))))
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(if (eq frame exwm-workspace--current)
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;; Abort the recursive minibuffer if deleting the current workspace.
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(progn
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(exwm--defer 0 #'delete-frame frame)
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(abort-recursive-edit))
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(delete-frame frame)
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(exwm-workspace--update-switch-history)
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(goto-history-element (min minibuffer-history-position
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(exwm-workspace--count)))))))
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(defun exwm-workspace--update-switch-history ()
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"Update the history for switching workspace to reflect the latest status."
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(when exwm-workspace--switch-history-outdated
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(setq exwm-workspace--switch-history-outdated nil)
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(let* ((num (exwm-workspace--count))
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(sequence (number-sequence 0 (1- num)))
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(not-empty (make-vector num nil)))
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(dolist (i exwm--id-buffer-alist)
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(with-current-buffer (cdr i)
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(when exwm--frame
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(setf (aref not-empty
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(exwm-workspace--position exwm--frame))
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t))))
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(setq exwm-workspace--switch-history
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(mapcar
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(lambda (i)
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(mapconcat
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(lambda (j)
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(format (if (= i j) "[%s]" " %s ")
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(propertize
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(apply exwm-workspace-index-map (list j))
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'face
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(cond ((frame-parameter (elt exwm-workspace--list j)
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'exwm-urgency)
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'(:foreground "orange"))
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((aref not-empty j) '(:foreground "green"))
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(t nil)))))
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sequence ""))
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sequence)))))
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;;;###autoload
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(defun exwm-workspace--get-geometry (frame)
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"Return the geometry of frame FRAME."
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(or (frame-parameter frame 'exwm-geometry)
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(make-instance 'xcb:RECTANGLE
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:x 0
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:y 0
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:width (x-display-pixel-width)
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:height (x-display-pixel-height))))
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;;;###autoload
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(defun exwm-workspace--current-height ()
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"Return the height of current workspace."
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(let ((geometry (frame-parameter exwm-workspace--current 'exwm-geometry)))
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(if geometry
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(slot-value geometry 'height)
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(x-display-pixel-height))))
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;;;###autoload
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(defun exwm-workspace--minibuffer-own-frame-p ()
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"Reports whether the minibuffer is displayed in its own frame."
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(memq exwm-workspace-minibuffer-position '(top bottom)))
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(defun exwm-workspace--update-struts ()
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"Update `exwm-workspace--struts'."
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(setq exwm-workspace--struts nil)
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(let (struts struts*)
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(dolist (pair exwm-workspace--id-struts-alist)
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(setq struts (cdr pair))
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(when struts
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(dotimes (i 4)
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(when (/= 0 (aref struts i))
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(setq struts*
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(vector (aref [left right top bottom] i)
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(aref struts i)
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(when (= 12 (length struts))
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(substring struts (+ 4 (* i 2)) (+ 6 (* i 2))))))
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(if (= 0 (mod i 2))
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;; Make left/top processed first.
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(push struts* exwm-workspace--struts)
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(setq exwm-workspace--struts
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(append exwm-workspace--struts (list struts*))))))))))
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(defun exwm-workspace--update-workareas ()
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"Update `exwm-workspace--workareas'."
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(let ((root-width (x-display-pixel-width))
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(root-height (x-display-pixel-height))
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workareas
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edge width position
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delta)
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;; Calculate workareas with no struts.
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(if (frame-parameter (car exwm-workspace--list) 'exwm-geometry)
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;; Use the 'exwm-geometry' frame parameter if possible.
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(dolist (f exwm-workspace--list)
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(with-slots (x y width height) (frame-parameter f 'exwm-geometry)
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(setq workareas (append workareas
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(list (vector x y width height))))))
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;; Fall back to use the screen size.
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(let ((workarea (vector 0 0 root-width root-height)))
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(setq workareas (make-list (exwm-workspace--count) workarea))))
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;; Exclude areas occupied by struts.
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(dolist (struts exwm-workspace--struts)
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(setq edge (aref struts 0)
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width (aref struts 1)
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position (aref struts 2))
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(dolist (w workareas)
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(pcase edge
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;; Left and top are always processed first.
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(`left
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(setq delta (- (aref w 0) width))
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(when (and (< delta 0)
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(or (not position)
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(< (max (aref position 0) (aref w 1))
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(min (aref position 1)
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(+ (aref w 1) (aref w 3))))))
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(cl-incf (aref w 2) delta)
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(setf (aref w 0) width)))
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(`right
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(setq delta (- root-width (aref w 0) (aref w 2) width))
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(when (and (< delta 0)
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(or (not position)
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(< (max (aref position 0) (aref w 1))
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(min (aref position 1)
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(+ (aref w 1) (aref w 3))))))
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(cl-incf (aref w 2) delta)))
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(`top
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(setq delta (- (aref w 1) width))
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(when (and (< delta 0)
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(or (not position)
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(< (max (aref position 0) (aref w 0))
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(min (aref position 1)
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(+ (aref w 0) (aref w 2))))))
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(cl-incf (aref w 3) delta)
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(setf (aref w 1) width)))
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(`bottom
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(setq delta (- root-height (aref w 1) (aref w 3) width))
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(when (and (< delta 0)
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(or (not position)
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(< (max (aref position 0) (aref w 0))
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(min (aref position 1)
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(+ (aref w 0) (aref w 2))))))
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(cl-incf (aref w 3) delta))))))
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;; Save the result.
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(setq exwm-workspace--workareas workareas)
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(xcb:flush exwm--connection))
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(run-hooks 'exwm-workspace--update-workareas-hook))
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(defun exwm-workspace--set-active (frame active)
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"Make frame FRAME active on its output."
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(set-frame-parameter frame 'exwm-active active)
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(if active
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(exwm-workspace--set-fullscreen frame)
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(exwm--set-geometry (frame-parameter frame 'exwm-container) nil nil 1 1)
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(xcb:flush exwm--connection)))
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(defun exwm-workspace--active-p (frame)
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"Return non-nil if FRAME is active"
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(frame-parameter frame 'exwm-active))
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(defun exwm-workspace--set-fullscreen (frame)
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"Make frame FRAME fullscreen according to `exwm-workspace--workareas'."
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(let ((workarea (elt exwm-workspace--workareas
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(exwm-workspace--position frame)))
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(id (frame-parameter frame 'exwm-outer-id))
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(container (frame-parameter frame 'exwm-container))
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x y width height)
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(setq x (aref workarea 0)
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y (aref workarea 1)
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width (aref workarea 2)
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height (aref workarea 3))
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(when (and (eq frame exwm-workspace--current)
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(exwm-workspace--minibuffer-own-frame-p))
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(exwm-workspace--resize-minibuffer-frame))
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(if (exwm-workspace--active-p frame)
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(exwm--set-geometry container x y width height)
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(exwm--set-geometry container x y 1 1))
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(exwm--set-geometry id nil nil width height)
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(xcb:flush exwm--connection))
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;; This is only used for workspace initialization.
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(when exwm-workspace--fullscreen-frame-count
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(cl-incf exwm-workspace--fullscreen-frame-count)))
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(defun exwm-workspace--resize-minibuffer-frame ()
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"Resize minibuffer (and its container) to fit the size of workspace."
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(cl-assert (exwm-workspace--minibuffer-own-frame-p))
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(let ((workarea (elt exwm-workspace--workareas exwm-workspace-current-index))
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(container (frame-parameter exwm-workspace--minibuffer
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'exwm-container))
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y width)
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(setq y (if (eq exwm-workspace-minibuffer-position 'top)
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(- (aref workarea 1)
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exwm-workspace--attached-minibuffer-height)
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;; Reset the frame size.
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(set-frame-height exwm-workspace--minibuffer 1)
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(redisplay) ;FIXME.
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(+ (aref workarea 1) (aref workarea 3)
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(- (frame-pixel-height exwm-workspace--minibuffer))
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exwm-workspace--attached-minibuffer-height))
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width (aref workarea 2))
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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 (logior xcb:ConfigWindow:X
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xcb:ConfigWindow:Y
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xcb:ConfigWindow:Width
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(if exwm-manage--desktop
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xcb:ConfigWindow:Sibling
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0)
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xcb:ConfigWindow:StackMode)
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:x (aref workarea 0)
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:y y
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:width width
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:sibling exwm-manage--desktop
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:stack-mode (if exwm-manage--desktop
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xcb:StackMode:Above
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xcb:StackMode:Below)))
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(xcb:+request exwm--connection
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(make-instance 'xcb:ConfigureWindow
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:window (frame-parameter exwm-workspace--minibuffer
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'exwm-outer-id)
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:value-mask xcb:ConfigWindow:Width
|
||
:width width))))
|
||
|
||
(defun exwm-workspace--switch-map-nth-prefix (&optional prefix-digits)
|
||
"Allow selecting a workspace by number.
|
||
|
||
PREFIX-DIGITS is a list of the digits introduced so far."
|
||
(interactive)
|
||
(let* ((k (aref (substring (this-command-keys-vector) -1) 0))
|
||
(d (- k ?0))
|
||
;; Convert prefix-digits to number. For example, '(2 1) to 120.
|
||
(o 1)
|
||
(pn (apply #'+ (mapcar (lambda (x)
|
||
(setq o (* 10 o))
|
||
(* o x))
|
||
prefix-digits)))
|
||
(n (+ pn d))
|
||
prefix-length index-max index-length)
|
||
(if (or (= n 0)
|
||
(> n
|
||
(setq index-max (1- (exwm-workspace--count))))
|
||
(>= (setq prefix-length (length prefix-digits))
|
||
(setq index-length (floor (log index-max 10))))
|
||
;; Check if it's still possible to do a match.
|
||
(> (* n (expt 10 (- index-length prefix-length)))
|
||
index-max))
|
||
(exwm-workspace--switch-map-select-nth n)
|
||
;; Go ahead if there are enough digits to select any workspace.
|
||
(set-transient-map
|
||
(let ((map (make-sparse-keymap))
|
||
(cmd `(lambda ()
|
||
(interactive)
|
||
(exwm-workspace--switch-map-nth-prefix
|
||
',(cons d prefix-digits)))))
|
||
(dotimes (i 10)
|
||
(define-key map (int-to-string i) cmd))
|
||
;; Accept
|
||
(define-key map [return]
|
||
`(lambda ()
|
||
(interactive)
|
||
(exwm-workspace--switch-map-select-nth ,n)))
|
||
map)))))
|
||
|
||
(defun exwm-workspace--switch-map-select-nth (n)
|
||
"Select Nth workspace."
|
||
(interactive)
|
||
(goto-history-element (1+ n))
|
||
(exit-minibuffer))
|
||
|
||
;;;###autoload
|
||
(defun exwm-workspace-switch (frame-or-index &optional force)
|
||
"Switch to workspace INDEX (0-based).
|
||
|
||
Query for the index if not specified when called interactively. Passing a
|
||
workspace frame as the first option or making use of the rest options are
|
||
for internal use only."
|
||
(interactive
|
||
(list
|
||
(unless (and (eq major-mode 'exwm-mode)
|
||
;; The prompt is invisible in fullscreen mode.
|
||
(memq xcb:Atom:_NET_WM_STATE_FULLSCREEN exwm--ewmh-state))
|
||
(let ((exwm-workspace--prompt-add-allowed t)
|
||
(exwm-workspace--prompt-delete-allowed t))
|
||
(exwm-workspace--prompt-for-workspace "Switch to [+/-]: ")))))
|
||
(let* ((frame (exwm-workspace--workspace-from-frame-or-index frame-or-index))
|
||
(old-frame exwm-workspace--current)
|
||
(index (exwm-workspace--position frame))
|
||
(window (frame-parameter frame 'exwm-selected-window)))
|
||
(when (or force (not (eq frame exwm-workspace--current)))
|
||
(unless (window-live-p window)
|
||
(setq window (frame-selected-window frame)))
|
||
;; Raise this frame.
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ConfigureWindow
|
||
:window (frame-parameter frame 'exwm-container)
|
||
:value-mask (logior xcb:ConfigWindow:Sibling
|
||
xcb:ConfigWindow:StackMode)
|
||
:sibling exwm--guide-window
|
||
:stack-mode xcb:StackMode:Below))
|
||
(setq exwm-workspace--current frame
|
||
exwm-workspace-current-index index)
|
||
(unless (exwm-workspace--workspace-p (selected-frame))
|
||
;; Save the floating frame window selected on the previous workspace.
|
||
(set-frame-parameter (buffer-local-value 'exwm--frame (window-buffer))
|
||
'exwm-selected-window (selected-window)))
|
||
;; Show/Hide X windows.
|
||
(let ((output-old (frame-parameter old-frame 'exwm-randr-output))
|
||
(output-new (frame-parameter frame 'exwm-randr-output))
|
||
(active-old (exwm-workspace--active-p old-frame))
|
||
(active-new (exwm-workspace--active-p frame))
|
||
workspaces-to-hide)
|
||
(cond
|
||
((not active-old)
|
||
(exwm-workspace--set-active frame t))
|
||
((equal output-old output-new)
|
||
(exwm-workspace--set-active old-frame nil)
|
||
(exwm-workspace--set-active frame t)
|
||
(setq workspaces-to-hide (list old-frame)))
|
||
(active-new)
|
||
(t
|
||
(dolist (w exwm-workspace--list)
|
||
(when (and (exwm-workspace--active-p w)
|
||
(equal output-new
|
||
(frame-parameter w 'exwm-randr-output)))
|
||
(exwm-workspace--set-active w nil)
|
||
(setq workspaces-to-hide (append workspaces-to-hide (list w)))))
|
||
(exwm-workspace--set-active frame t)))
|
||
(dolist (i exwm--id-buffer-alist)
|
||
(with-current-buffer (cdr i)
|
||
(if (memq exwm--frame workspaces-to-hide)
|
||
(exwm-layout--hide exwm--id)
|
||
(when (eq frame exwm--frame)
|
||
(let ((window (get-buffer-window nil t)))
|
||
(when window
|
||
(exwm-layout--show exwm--id window))))))))
|
||
(select-window window)
|
||
(x-focus-frame (window-frame window)) ;The real input focus.
|
||
(set-frame-parameter frame 'exwm-selected-window nil)
|
||
;; Close the (possible) active minibuffer
|
||
(when (active-minibuffer-window)
|
||
(exwm--defer 0 (lambda ()
|
||
;; Might be aborted by then.
|
||
(when (active-minibuffer-window)
|
||
(abort-recursive-edit)))))
|
||
(if (exwm-workspace--minibuffer-own-frame-p)
|
||
;; Resize the minibuffer frame.
|
||
(exwm-workspace--resize-minibuffer-frame)
|
||
;; Set a default minibuffer frame.
|
||
(setq default-minibuffer-frame frame))
|
||
;; Hide windows in other workspaces by preprending a space
|
||
(unless exwm-workspace-show-all-buffers
|
||
(dolist (i exwm--id-buffer-alist)
|
||
(with-current-buffer (cdr i)
|
||
(let ((name (replace-regexp-in-string "^\\s-*" ""
|
||
(buffer-name))))
|
||
(exwm-workspace-rename-buffer (if (eq frame exwm--frame)
|
||
name
|
||
(concat " " name)))))))
|
||
;; Update demands attention flag
|
||
(set-frame-parameter frame 'exwm-urgency nil)
|
||
;; Update switch workspace history
|
||
(setq exwm-workspace--switch-history-outdated t)
|
||
;; Set _NET_CURRENT_DESKTOP
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ewmh:set-_NET_CURRENT_DESKTOP
|
||
:window exwm--root :data index))
|
||
(xcb:flush exwm--connection))
|
||
(when (frame-live-p old-frame)
|
||
(with-selected-frame old-frame
|
||
(run-hooks 'focus-out-hook)))
|
||
(run-hooks 'focus-in-hook)
|
||
(run-hooks 'exwm-workspace-switch-hook)))
|
||
|
||
;;;###autoload
|
||
(defun exwm-workspace-switch-create (frame-or-index)
|
||
"Switch to workspace INDEX or creating it first if it does not exist yet.
|
||
|
||
Passing a workspace frame as the first option is for internal use only."
|
||
(interactive)
|
||
(if (or (framep frame-or-index)
|
||
(< frame-or-index (exwm-workspace--count)))
|
||
(exwm-workspace-switch frame-or-index)
|
||
(let ((exwm-workspace--create-silently t))
|
||
(dotimes (_ (min exwm-workspace-switch-create-limit
|
||
(1+ (- frame-or-index
|
||
(exwm-workspace--count)))))
|
||
(make-frame))
|
||
(run-hooks 'exwm-workspace-list-change-hook))
|
||
(exwm-workspace-switch frame-or-index)))
|
||
|
||
;;;###autoload
|
||
(defun exwm-workspace-swap (workspace1 workspace2)
|
||
"Interchange position of WORKSPACE1 with that of WORKSPACE2."
|
||
(interactive
|
||
(unless (and (eq major-mode 'exwm-mode)
|
||
;; The prompt is invisible in fullscreen mode.
|
||
(memq xcb:Atom:_NET_WM_STATE_FULLSCREEN exwm--ewmh-state))
|
||
(let (w1 w2)
|
||
(let ((exwm-workspace--prompt-add-allowed t)
|
||
(exwm-workspace--prompt-delete-allowed t))
|
||
(setq w1 (exwm-workspace--prompt-for-workspace
|
||
"Pick a workspace [+/-]: ")))
|
||
(setq w2 (exwm-workspace--prompt-for-workspace
|
||
(format "Swap workspace %d with: "
|
||
(exwm-workspace--position w1))))
|
||
(list w1 w2))))
|
||
(let ((pos1 (exwm-workspace--position workspace1))
|
||
(pos2 (exwm-workspace--position workspace2)))
|
||
(if (or (not pos1) (not pos2) (= pos1 pos2))
|
||
(user-error "[EXWM] Cannot swap %s and %s" workspace1 workspace2)
|
||
(setf (elt exwm-workspace--list pos1) workspace2)
|
||
(setf (elt exwm-workspace--list pos2) workspace1)
|
||
;; Update the _NET_WM_DESKTOP property of each X window affected.
|
||
(dolist (pair exwm--id-buffer-alist)
|
||
(when (memq (buffer-local-value 'exwm--frame (cdr pair))
|
||
(list workspace1 workspace2))
|
||
(exwm-workspace--set-desktop (car pair))))
|
||
(xcb:flush exwm--connection)
|
||
(when (memq exwm-workspace--current (list workspace1 workspace2))
|
||
;; With the current workspace involved, lots of stuffs need refresh.
|
||
(set-frame-parameter exwm-workspace--current 'exwm-selected-window
|
||
(selected-window))
|
||
(exwm-workspace-switch exwm-workspace--current t))
|
||
(run-hooks 'exwm-workspace-list-change-hook))))
|
||
|
||
;;;###autoload
|
||
(defun exwm-workspace-move (workspace nth)
|
||
"Move WORKSPACE to the NTH position.
|
||
|
||
When called interactively, prompt for a workspace and move current one just
|
||
before it."
|
||
(interactive
|
||
(unless (and (eq major-mode 'exwm-mode)
|
||
;; The prompt is invisible in fullscreen mode.
|
||
(memq xcb:Atom:_NET_WM_STATE_FULLSCREEN exwm--ewmh-state))
|
||
(list exwm-workspace--current
|
||
(exwm-workspace--position
|
||
(exwm-workspace--prompt-for-workspace "Move workspace to: ")))))
|
||
(let ((pos (exwm-workspace--position workspace))
|
||
flag start end index)
|
||
(if (= nth pos)
|
||
(user-error "[EXWM] Cannot move to same position")
|
||
;; Set if the current workspace is involved.
|
||
(setq flag (or (eq workspace exwm-workspace--current)
|
||
(eq (elt exwm-workspace--list nth)
|
||
exwm-workspace--current)))
|
||
;; Do the move.
|
||
(with-no-warnings ;For Emacs 24.
|
||
(pop (nthcdr pos exwm-workspace--list)))
|
||
(push workspace (nthcdr nth exwm-workspace--list))
|
||
;; Update the _NET_WM_DESKTOP property of each X window affected.
|
||
(setq start (min pos nth)
|
||
end (max pos nth))
|
||
(dolist (pair exwm--id-buffer-alist)
|
||
(setq index (exwm-workspace--position
|
||
(buffer-local-value 'exwm--frame (cdr pair))))
|
||
(unless (or (< index start) (> index end))
|
||
(exwm-workspace--set-desktop (car pair))))
|
||
(when flag
|
||
;; With the current workspace involved, lots of stuffs need refresh.
|
||
(set-frame-parameter exwm-workspace--current 'exwm-selected-window
|
||
(selected-window))
|
||
(exwm-workspace-switch exwm-workspace--current t))
|
||
(run-hooks 'exwm-workspace-list-change-hook))))
|
||
|
||
;;;###autoload
|
||
(defun exwm-workspace-add (&optional index)
|
||
"Add a workspace as the INDEX-th workspace, or the last one if INDEX is nil.
|
||
|
||
INDEX must not exceed the current number of workspaces."
|
||
(interactive)
|
||
(if (and index
|
||
;; No need to move if it's the last one.
|
||
(< index (exwm-workspace--count)))
|
||
(exwm-workspace-move (make-frame) index)
|
||
(make-frame)))
|
||
|
||
;;;###autoload
|
||
(defun exwm-workspace-delete (&optional frame-or-index)
|
||
"Delete the workspace FRAME-OR-INDEX."
|
||
(interactive)
|
||
(when (< 1 (exwm-workspace--count))
|
||
(delete-frame
|
||
(if frame-or-index
|
||
(exwm-workspace--workspace-from-frame-or-index frame-or-index)
|
||
exwm-workspace--current))))
|
||
|
||
(defun exwm-workspace--set-desktop (id)
|
||
"Set _NET_WM_DESKTOP for X window ID."
|
||
(with-current-buffer (exwm--id->buffer id)
|
||
(let ((desktop (exwm-workspace--position exwm--frame)))
|
||
(setq exwm--desktop desktop)
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ewmh:set-_NET_WM_DESKTOP
|
||
:window id
|
||
:data desktop)))))
|
||
|
||
;;;###autoload
|
||
(defun exwm-workspace-move-window (frame-or-index &optional id)
|
||
"Move window ID to workspace FRAME-OR-INDEX."
|
||
(interactive (list
|
||
(let ((exwm-workspace--prompt-add-allowed t)
|
||
(exwm-workspace--prompt-delete-allowed t))
|
||
(exwm-workspace--prompt-for-workspace "Move to [+/-]: "))))
|
||
(let ((frame (exwm-workspace--workspace-from-frame-or-index frame-or-index))
|
||
old-frame container)
|
||
(unless id (setq id (exwm--buffer->id (window-buffer))))
|
||
(with-current-buffer (exwm--id->buffer id)
|
||
(unless (eq exwm--frame frame)
|
||
(unless exwm-workspace-show-all-buffers
|
||
(let ((name (replace-regexp-in-string "^\\s-*" "" (buffer-name))))
|
||
(exwm-workspace-rename-buffer
|
||
(if (eq frame exwm-workspace--current)
|
||
name
|
||
(concat " " name)))))
|
||
(setq old-frame exwm--frame
|
||
exwm--frame frame)
|
||
(if (not exwm--floating-frame)
|
||
;; Tiling.
|
||
(progn
|
||
(set-window-buffer (get-buffer-window nil t)
|
||
(other-buffer nil t))
|
||
(unless (eq frame exwm-workspace--current)
|
||
;; Clear the 'exwm-selected-window' frame parameter.
|
||
(set-frame-parameter frame 'exwm-selected-window nil))
|
||
(set-window-buffer (frame-selected-window frame)
|
||
(exwm--id->buffer id))
|
||
(if (eq frame exwm-workspace--current)
|
||
(select-window (frame-selected-window frame))
|
||
(unless (exwm-workspace--active-p frame)
|
||
(exwm-layout--hide id))))
|
||
;; Floating.
|
||
(setq container (frame-parameter exwm--floating-frame
|
||
'exwm-container))
|
||
(unless (equal (frame-parameter old-frame 'exwm-randr-output)
|
||
(frame-parameter frame 'exwm-randr-output))
|
||
(with-slots (x y)
|
||
(xcb:+request-unchecked+reply exwm--connection
|
||
(make-instance 'xcb:GetGeometry
|
||
:drawable container))
|
||
(with-slots ((x1 x)
|
||
(y1 y))
|
||
(exwm-workspace--get-geometry old-frame)
|
||
(with-slots ((x2 x)
|
||
(y2 y))
|
||
(exwm-workspace--get-geometry frame)
|
||
(setq x (+ x (- x2 x1))
|
||
y (+ y (- y2 y1)))))
|
||
(exwm--set-geometry id x y nil nil)
|
||
(exwm--set-geometry container x y nil nil)))
|
||
(if (exwm-workspace--minibuffer-own-frame-p)
|
||
(if (eq frame exwm-workspace--current)
|
||
(select-window (frame-root-window exwm--floating-frame))
|
||
(select-window (frame-selected-window exwm-workspace--current))
|
||
(unless (exwm-workspace--active-p frame)
|
||
(exwm-layout--hide id)))
|
||
;; The frame needs to be recreated since it won't use the
|
||
;; minibuffer on the new workspace.
|
||
;; The code is mostly copied from `exwm-floating--set-floating'.
|
||
(let* ((old-frame exwm--floating-frame)
|
||
(new-frame
|
||
(with-current-buffer
|
||
(or (get-buffer "*scratch*")
|
||
(progn
|
||
(set-buffer-major-mode
|
||
(get-buffer-create "*scratch*"))
|
||
(get-buffer "*scratch*")))
|
||
(make-frame
|
||
`((minibuffer . ,(minibuffer-window frame))
|
||
(left . ,(* window-min-width -100))
|
||
(top . ,(* window-min-height -100))
|
||
(width . ,window-min-width)
|
||
(height . ,window-min-height)
|
||
(unsplittable . t)))))
|
||
(outer-id (string-to-number
|
||
(frame-parameter new-frame
|
||
'outer-window-id)))
|
||
(window-id (string-to-number
|
||
(frame-parameter new-frame 'window-id)))
|
||
(window (frame-root-window new-frame)))
|
||
(set-frame-parameter new-frame 'exwm-outer-id outer-id)
|
||
(set-frame-parameter new-frame 'exwm-id window-id)
|
||
(set-frame-parameter new-frame 'exwm-container container)
|
||
(make-frame-invisible new-frame)
|
||
(set-frame-size new-frame
|
||
(frame-pixel-width old-frame)
|
||
(frame-pixel-height old-frame)
|
||
t)
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ReparentWindow
|
||
:window outer-id
|
||
:parent container
|
||
:x 0 :y 0))
|
||
(xcb:flush exwm--connection)
|
||
(with-current-buffer (exwm--id->buffer id)
|
||
(setq window-size-fixed nil
|
||
exwm--floating-frame new-frame)
|
||
(set-window-dedicated-p (frame-root-window old-frame) nil)
|
||
(remove-hook 'window-configuration-change-hook
|
||
#'exwm-layout--refresh)
|
||
(set-window-buffer window (current-buffer))
|
||
(add-hook 'window-configuration-change-hook
|
||
#'exwm-layout--refresh)
|
||
(set-window-dedicated-p window t))
|
||
;; Select a tiling window and delete the old frame.
|
||
(select-window (frame-selected-window exwm-workspace--current))
|
||
(delete-frame old-frame)
|
||
;; The rest is the same.
|
||
(make-frame-visible new-frame)
|
||
(exwm--set-geometry outer-id 0 0 nil nil)
|
||
(xcb:flush exwm--connection)
|
||
(redisplay)
|
||
(if (eq frame exwm-workspace--current)
|
||
(with-current-buffer (exwm--id->buffer id)
|
||
(select-window (frame-root-window exwm--floating-frame)))
|
||
(unless (exwm-workspace--active-p frame)
|
||
(exwm-layout--hide id)))))
|
||
;; Update the 'exwm-selected-window' frame parameter.
|
||
(when (not (eq frame exwm-workspace--current))
|
||
(with-current-buffer (exwm--id->buffer id)
|
||
(set-frame-parameter frame 'exwm-selected-window
|
||
(frame-root-window
|
||
exwm--floating-frame)))))
|
||
;; Set _NET_WM_DESKTOP.
|
||
(exwm-workspace--set-desktop id)
|
||
(xcb:flush exwm--connection)))
|
||
(setq exwm-workspace--switch-history-outdated t)))
|
||
|
||
;;;###autoload
|
||
(defun exwm-workspace-switch-to-buffer (buffer-or-name)
|
||
"Make the current Emacs window display another buffer."
|
||
(interactive
|
||
(let ((inhibit-quit t))
|
||
;; Show all buffers
|
||
(unless exwm-workspace-show-all-buffers
|
||
(dolist (pair exwm--id-buffer-alist)
|
||
(with-current-buffer (cdr pair)
|
||
(when (= ?\s (aref (buffer-name) 0))
|
||
(let ((buffer-list-update-hook
|
||
(remq #'exwm-input--on-buffer-list-update
|
||
buffer-list-update-hook)))
|
||
(rename-buffer (substring (buffer-name) 1)))))))
|
||
(prog1
|
||
(with-local-quit
|
||
(list (get-buffer (read-buffer-to-switch "Switch to buffer: "))))
|
||
;; Hide buffers on other workspaces
|
||
(unless exwm-workspace-show-all-buffers
|
||
(dolist (pair exwm--id-buffer-alist)
|
||
(with-current-buffer (cdr pair)
|
||
(unless (or (eq exwm--frame exwm-workspace--current)
|
||
(= ?\s (aref (buffer-name) 0)))
|
||
(let ((buffer-list-update-hook
|
||
(remq #'exwm-input--on-buffer-list-update
|
||
buffer-list-update-hook)))
|
||
(rename-buffer (concat " " (buffer-name)))))))))))
|
||
(when buffer-or-name
|
||
(with-current-buffer buffer-or-name
|
||
(if (eq major-mode 'exwm-mode)
|
||
;; EXWM buffer.
|
||
(if (eq exwm--frame exwm-workspace--current)
|
||
;; On the current workspace.
|
||
(if (not exwm--floating-frame)
|
||
(switch-to-buffer buffer-or-name)
|
||
;; Select the floating frame.
|
||
(select-frame-set-input-focus exwm--floating-frame)
|
||
(select-window (frame-root-window exwm--floating-frame)))
|
||
;; On another workspace.
|
||
(if exwm-layout-show-all-buffers
|
||
(exwm-workspace-move-window exwm-workspace--current
|
||
exwm--id)
|
||
(let ((window (get-buffer-window buffer-or-name exwm--frame)))
|
||
(if window
|
||
(set-frame-parameter exwm--frame
|
||
'exwm-selected-window window)
|
||
(set-window-buffer (frame-selected-window exwm--frame)
|
||
buffer-or-name)))
|
||
(exwm-workspace-switch exwm--frame)))
|
||
;; Ordinary buffer.
|
||
(switch-to-buffer buffer-or-name)))))
|
||
|
||
(defun exwm-workspace-rename-buffer (newname)
|
||
"Rename a buffer."
|
||
(let ((hidden (= ?\s (aref newname 0)))
|
||
(basename (replace-regexp-in-string "<[0-9]+>$" "" newname))
|
||
(counter 1)
|
||
tmp)
|
||
(when hidden (setq basename (substring basename 1)))
|
||
(setq newname basename)
|
||
(while (and (setq tmp (or (get-buffer newname)
|
||
(get-buffer (concat " " newname))))
|
||
(not (eq tmp (current-buffer))))
|
||
(setq newname (format "%s<%d>" basename (cl-incf counter))))
|
||
(let ((buffer-list-update-hook
|
||
(remq #'exwm-input--on-buffer-list-update
|
||
buffer-list-update-hook)))
|
||
(rename-buffer (concat (and hidden " ") newname)))))
|
||
|
||
(defun exwm-workspace--x-create-frame (orig-fun params)
|
||
"Set override-redirect on the frame created by `x-create-frame'."
|
||
(let ((frame (funcall orig-fun params)))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ChangeWindowAttributes
|
||
:window (string-to-number
|
||
(frame-parameter frame 'outer-window-id))
|
||
:value-mask xcb:CW:OverrideRedirect
|
||
:override-redirect 1))
|
||
(xcb:flush exwm--connection)
|
||
frame))
|
||
|
||
(defsubst exwm-workspace--minibuffer-attached-p ()
|
||
"Return non-nil if the minibuffer is attached.
|
||
|
||
Please check `exwm-workspace--minibuffer-own-frame-p' first."
|
||
(assq (frame-parameter exwm-workspace--minibuffer 'exwm-container)
|
||
exwm-workspace--id-struts-alist))
|
||
|
||
;;;###autoload
|
||
(defun exwm-workspace-attach-minibuffer ()
|
||
"Attach the minibuffer so that it always shows."
|
||
(interactive)
|
||
(when (and (exwm-workspace--minibuffer-own-frame-p)
|
||
(not (exwm-workspace--minibuffer-attached-p)))
|
||
;; Reset the frame size.
|
||
(set-frame-height exwm-workspace--minibuffer 1)
|
||
(redisplay) ;FIXME.
|
||
(setq exwm-workspace--attached-minibuffer-height
|
||
(frame-pixel-height exwm-workspace--minibuffer))
|
||
(exwm-workspace--show-minibuffer)
|
||
(let ((container (frame-parameter exwm-workspace--minibuffer
|
||
'exwm-container)))
|
||
(push (cons container
|
||
(if (eq exwm-workspace-minibuffer-position 'top)
|
||
(vector 0 0 exwm-workspace--attached-minibuffer-height 0)
|
||
(vector 0 0 0 exwm-workspace--attached-minibuffer-height)))
|
||
exwm-workspace--id-struts-alist)
|
||
(exwm-workspace--update-struts)
|
||
(exwm-workspace--update-workareas)
|
||
(dolist (f exwm-workspace--list)
|
||
(exwm-workspace--set-fullscreen f)))))
|
||
|
||
;;;###autoload
|
||
(defun exwm-workspace-detach-minibuffer ()
|
||
"Detach the minibuffer so that it automatically hides."
|
||
(interactive)
|
||
(when (and (exwm-workspace--minibuffer-own-frame-p)
|
||
(exwm-workspace--minibuffer-attached-p))
|
||
(setq exwm-workspace--attached-minibuffer-height 0)
|
||
(let ((container (frame-parameter exwm-workspace--minibuffer
|
||
'exwm-container)))
|
||
(setq exwm-workspace--id-struts-alist
|
||
(assq-delete-all container exwm-workspace--id-struts-alist))
|
||
(exwm-workspace--update-struts)
|
||
(exwm-workspace--update-workareas)
|
||
(dolist (f exwm-workspace--list)
|
||
(exwm-workspace--set-fullscreen f))
|
||
(exwm-workspace--hide-minibuffer))))
|
||
|
||
;;;###autoload
|
||
(defun exwm-workspace-toggle-minibuffer ()
|
||
"Attach the minibuffer if it's detached, or detach it if it's attached."
|
||
(interactive)
|
||
(when (exwm-workspace--minibuffer-own-frame-p)
|
||
(if (exwm-workspace--minibuffer-attached-p)
|
||
(exwm-workspace-detach-minibuffer)
|
||
(exwm-workspace-attach-minibuffer))))
|
||
|
||
(defun exwm-workspace--update-minibuffer-height (&optional echo-area)
|
||
"Update the minibuffer frame height."
|
||
(unless (exwm-workspace--client-p)
|
||
(let ((height
|
||
(with-current-buffer
|
||
(window-buffer (minibuffer-window exwm-workspace--minibuffer))
|
||
(max 1
|
||
(if echo-area
|
||
(let ((width (frame-width exwm-workspace--minibuffer))
|
||
(result 0))
|
||
(mapc (lambda (i)
|
||
(setq result
|
||
(+ result
|
||
(ceiling (1+ (length i)) width))))
|
||
(split-string (or (current-message) "") "\n"))
|
||
result)
|
||
(count-screen-lines))))))
|
||
(when (and (integerp max-mini-window-height)
|
||
(> height max-mini-window-height))
|
||
(setq height max-mini-window-height))
|
||
(set-frame-height exwm-workspace--minibuffer height))))
|
||
|
||
(defun exwm-workspace--on-ConfigureNotify (data _synthetic)
|
||
"Adjust the container to fit the minibuffer frame."
|
||
(let ((obj (make-instance 'xcb:ConfigureNotify))
|
||
workarea y)
|
||
(xcb:unmarshal obj data)
|
||
(with-slots (window height) obj
|
||
(when (eq (frame-parameter exwm-workspace--minibuffer 'exwm-outer-id)
|
||
window)
|
||
(when (and (floatp max-mini-window-height)
|
||
(> height (* max-mini-window-height
|
||
(exwm-workspace--current-height))))
|
||
(setq height (floor
|
||
(* max-mini-window-height
|
||
(exwm-workspace--current-height))))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ConfigureWindow
|
||
:window window
|
||
:value-mask xcb:ConfigWindow:Height
|
||
:height height)))
|
||
(when (/= (exwm-workspace--count) (length exwm-workspace--workareas))
|
||
;; There is a chance the workareas are not updated timely.
|
||
(exwm-workspace--update-workareas))
|
||
(setq workarea (elt exwm-workspace--workareas
|
||
exwm-workspace-current-index)
|
||
y (if (eq exwm-workspace-minibuffer-position 'top)
|
||
(- (aref workarea 1)
|
||
exwm-workspace--attached-minibuffer-height)
|
||
(+ (aref workarea 1) (aref workarea 3) (- height)
|
||
exwm-workspace--attached-minibuffer-height)))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ConfigureWindow
|
||
:window (frame-parameter exwm-workspace--minibuffer
|
||
'exwm-container)
|
||
:value-mask (logior xcb:ConfigWindow:Y
|
||
xcb:ConfigWindow:Height)
|
||
:y y
|
||
:height height))
|
||
(xcb:flush exwm--connection)))))
|
||
|
||
(defun exwm-workspace--display-buffer (buffer alist)
|
||
"Display BUFFER as if the current workspace is selected."
|
||
;; Only when the floating minibuffer frame is selected.
|
||
;; This also protect this functions from being recursively called.
|
||
(when (eq (selected-frame) exwm-workspace--minibuffer)
|
||
(with-selected-frame exwm-workspace--current
|
||
(display-buffer buffer alist))))
|
||
|
||
(defun exwm-workspace--show-minibuffer ()
|
||
"Show the minibuffer frame."
|
||
;; Cancel pending timer.
|
||
(when exwm-workspace--display-echo-area-timer
|
||
(cancel-timer exwm-workspace--display-echo-area-timer)
|
||
(setq exwm-workspace--display-echo-area-timer nil))
|
||
;; Show the minibuffer frame.
|
||
(unless (exwm-workspace--minibuffer-attached-p)
|
||
(exwm--set-geometry (frame-parameter exwm-workspace--minibuffer
|
||
'exwm-container)
|
||
nil nil
|
||
(frame-pixel-width exwm-workspace--minibuffer)
|
||
(frame-pixel-height exwm-workspace--minibuffer)))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ConfigureWindow
|
||
:window (frame-parameter exwm-workspace--minibuffer
|
||
'exwm-container)
|
||
:value-mask xcb:ConfigWindow:StackMode
|
||
:stack-mode xcb:StackMode:Above))
|
||
(xcb:flush exwm--connection))
|
||
|
||
(defun exwm-workspace--hide-minibuffer ()
|
||
"Hide the minibuffer frame."
|
||
;; Hide the minibuffer frame.
|
||
(if (exwm-workspace--minibuffer-attached-p)
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ConfigureWindow
|
||
:window (frame-parameter exwm-workspace--minibuffer
|
||
'exwm-container)
|
||
:value-mask (logior (if exwm-manage--desktop
|
||
xcb:ConfigWindow:Sibling
|
||
0)
|
||
xcb:ConfigWindow:StackMode)
|
||
:sibling exwm-manage--desktop
|
||
:stack-mode (if exwm-manage--desktop
|
||
xcb:StackMode:Above
|
||
xcb:StackMode:Below)))
|
||
(exwm--set-geometry (frame-parameter exwm-workspace--minibuffer
|
||
'exwm-container)
|
||
nil nil 1 1))
|
||
(xcb:flush exwm--connection))
|
||
|
||
(defun exwm-workspace--on-minibuffer-setup ()
|
||
"Run in minibuffer-setup-hook to show the minibuffer and its container."
|
||
(when (and (= 1 (minibuffer-depth))
|
||
(not (exwm-workspace--client-p)))
|
||
(add-hook 'post-command-hook #'exwm-workspace--update-minibuffer-height)
|
||
(exwm-workspace--show-minibuffer))
|
||
;; FIXME: This is a temporary fix for the *Completions* buffer not
|
||
;; being correctly fitted by its displaying window. As with
|
||
;; `exwm-workspace--display-buffer', the problem is caused by
|
||
;; the fact that the minibuffer (rather than the workspace)
|
||
;; frame is the 'selected frame'. `get-buffer-window' will
|
||
;; fail to retrieve the correct window. It's likely there are
|
||
;; other related issues.
|
||
;; This is not required by Emacs 24.
|
||
(when (fboundp 'window-preserve-size)
|
||
(let ((window (get-buffer-window "*Completions*"
|
||
exwm-workspace--current)))
|
||
(when window
|
||
(fit-window-to-buffer window)
|
||
(window-preserve-size window)))))
|
||
|
||
(defun exwm-workspace--on-minibuffer-exit ()
|
||
"Run in minibuffer-exit-hook to hide the minibuffer container."
|
||
(when (and (= 1 (minibuffer-depth))
|
||
(not (exwm-workspace--client-p)))
|
||
(remove-hook 'post-command-hook #'exwm-workspace--update-minibuffer-height)
|
||
(exwm-workspace--hide-minibuffer)))
|
||
|
||
(defun exwm-workspace--on-echo-area-dirty ()
|
||
"Run when new message arrives to show the echo area and its container."
|
||
(when (and (not (active-minibuffer-window))
|
||
(not (exwm-workspace--client-p))
|
||
(or (current-message)
|
||
cursor-in-echo-area))
|
||
(exwm-workspace--update-minibuffer-height t)
|
||
(exwm-workspace--show-minibuffer)
|
||
(unless (or (not exwm-workspace-display-echo-area-timeout)
|
||
exwm-input--during-command ;e.g. read-event
|
||
input-method-use-echo-area)
|
||
(setq exwm-workspace--display-echo-area-timer
|
||
(run-with-timer exwm-workspace-display-echo-area-timeout nil
|
||
#'exwm-workspace--on-echo-area-clear)))))
|
||
|
||
(defun exwm-workspace--on-echo-area-clear ()
|
||
"Run in echo-area-clear-hook to hide echo area container."
|
||
(unless (exwm-workspace--client-p)
|
||
(unless (active-minibuffer-window)
|
||
(exwm-workspace--hide-minibuffer))
|
||
(when exwm-workspace--display-echo-area-timer
|
||
(cancel-timer exwm-workspace--display-echo-area-timer)
|
||
(setq exwm-workspace--display-echo-area-timer nil))))
|
||
|
||
(defun exwm-workspace--confirm-kill-emacs (prompt &optional force)
|
||
"Confirm before exiting Emacs."
|
||
(when (cond
|
||
((and force (not (eq force 'no-check)))
|
||
;; Force killing Emacs.
|
||
t)
|
||
((or (eq force 'no-check) (not exwm--id-buffer-alist))
|
||
;; Check if there's any unsaved file.
|
||
(pcase (catch 'break
|
||
(let ((kill-emacs-query-functions
|
||
(append kill-emacs-query-functions
|
||
(list (lambda ()
|
||
(throw 'break 'break))))))
|
||
(save-buffers-kill-emacs)))
|
||
(`break (y-or-n-p prompt))
|
||
(x x)))
|
||
(t
|
||
(yes-or-no-p (format "[EXWM] %d window(s) will be destroyed. %s"
|
||
(length exwm--id-buffer-alist) prompt))))
|
||
;; Run `kill-emacs-hook' (`server-force-stop' excluded) before Emacs
|
||
;; frames are unmapped so that errors (if any) can be visible.
|
||
(if (memq #'server-force-stop kill-emacs-hook)
|
||
(progn
|
||
(setq kill-emacs-hook (delq #'server-force-stop kill-emacs-hook))
|
||
(run-hooks 'kill-emacs-hook)
|
||
(setq kill-emacs-hook (list #'server-force-stop)))
|
||
(run-hooks 'kill-emacs-hook)
|
||
(setq kill-emacs-hook nil))
|
||
;; Hide & reparent out all frames (save-set can't be used here since
|
||
;; X windows will be re-mapped).
|
||
(when (exwm-workspace--minibuffer-own-frame-p)
|
||
(let ((id (frame-parameter exwm-workspace--minibuffer 'exwm-outer-id)))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:UnmapWindow
|
||
:window id))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ReparentWindow
|
||
:window id
|
||
:parent exwm--root
|
||
:x 0
|
||
:y 0))))
|
||
(dolist (f exwm-workspace--list)
|
||
(let ((id (frame-parameter f 'exwm-outer-id)))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:UnmapWindow
|
||
:window id))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ReparentWindow
|
||
:window id
|
||
:parent exwm--root
|
||
:x 0
|
||
:y 0))))
|
||
;; Restore the 'client' frame parameter (before `exwm--exit').
|
||
(when exwm-workspace--client
|
||
(dolist (f exwm-workspace--list)
|
||
(set-frame-parameter f 'client exwm-workspace--client))
|
||
(when (exwm-workspace--minibuffer-own-frame-p)
|
||
(set-frame-parameter exwm-workspace--minibuffer 'client
|
||
exwm-workspace--client)))
|
||
;; Exit each module.
|
||
(exwm--exit)
|
||
;; Destroy all resources created by this connection.
|
||
(xcb:disconnect exwm--connection)
|
||
(setq exwm--connection nil)
|
||
;; Set the return value.
|
||
t))
|
||
|
||
(defun exwm-workspace--set-desktop-geometry ()
|
||
"Set _NET_DESKTOP_GEOMETRY."
|
||
;; We don't support large desktop so it's the same with screen size.
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ewmh:set-_NET_DESKTOP_GEOMETRY
|
||
:window exwm--root
|
||
:width (x-display-pixel-width)
|
||
:height (x-display-pixel-height))))
|
||
|
||
(defun exwm-workspace--add-frame-as-workspace (frame)
|
||
"Configure frame FRAME to be treated as a workspace."
|
||
(cond
|
||
((exwm-workspace--workspace-p frame)
|
||
(exwm--log "Frame `%s' is already a workspace" frame))
|
||
((not (display-graphic-p frame))
|
||
(exwm--log "Frame `%s' is not graphical" frame))
|
||
((not (string-equal
|
||
(replace-regexp-in-string "\\.0$" ""
|
||
(slot-value exwm--connection 'display))
|
||
(replace-regexp-in-string "\\.0$" ""
|
||
(frame-parameter frame 'display))))
|
||
(exwm--log "Frame `%s' is on a different DISPLAY (%S instead of %S)"
|
||
frame
|
||
(frame-parameter frame 'display)
|
||
(slot-value exwm--connection 'display)))
|
||
((frame-parameter frame 'unsplittable)
|
||
;; We create floating frames with the "unsplittable" parameter set.
|
||
;; Though it may not be a floating frame, we won't treat an
|
||
;; unsplittable frame as a workspace anyway.
|
||
(exwm--log "Frame `%s' is floating" frame))
|
||
(t
|
||
(exwm--log "Adding frame `%s' as workspace" frame)
|
||
(setq exwm-workspace--list (nconc exwm-workspace--list (list frame)))
|
||
(let ((outer-id (string-to-number (frame-parameter frame
|
||
'outer-window-id)))
|
||
(window-id (string-to-number (frame-parameter frame 'window-id)))
|
||
(container (xcb:generate-id exwm--connection)))
|
||
;; Save window IDs
|
||
(set-frame-parameter frame 'exwm-outer-id outer-id)
|
||
(set-frame-parameter frame 'exwm-id window-id)
|
||
(set-frame-parameter frame 'exwm-container container)
|
||
;; In case it's created by emacsclient.
|
||
(set-frame-parameter frame 'client nil)
|
||
;; Copy RandR frame parameters from the first workspace to
|
||
;; prevent potential problems. The values do not matter here as
|
||
;; they'll be updated by the RandR module later.
|
||
(let ((w (car exwm-workspace--list)))
|
||
(dolist (param '(exwm-randr-output
|
||
exwm-geometry))
|
||
(set-frame-parameter frame param (frame-parameter w param))))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:CreateWindow
|
||
:depth 0
|
||
:wid container
|
||
:parent exwm--root
|
||
:x -1
|
||
:y -1
|
||
:width 1
|
||
:height 1
|
||
:border-width 0
|
||
:class xcb:WindowClass:InputOutput
|
||
:visual 0
|
||
:value-mask (logior xcb:CW:BackPixmap
|
||
xcb:CW:OverrideRedirect)
|
||
:background-pixmap xcb:BackPixmap:ParentRelative
|
||
:override-redirect 1))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ConfigureWindow
|
||
:window container
|
||
:value-mask xcb:ConfigWindow:StackMode
|
||
:stack-mode xcb:StackMode:Below))
|
||
(exwm--debug
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ewmh:set-_NET_WM_NAME
|
||
:window container
|
||
:data
|
||
(format "EXWM workspace %d frame container"
|
||
(exwm-workspace--position frame)))))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ReparentWindow
|
||
:window outer-id :parent container :x 0 :y 0))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:MapWindow :window container)))
|
||
(xcb:flush exwm--connection)
|
||
;; Delay making the workspace fullscreen until Emacs becomes idle
|
||
(exwm--defer 0 #'set-frame-parameter frame 'fullscreen 'fullboth)
|
||
;; Update EWMH properties.
|
||
(exwm-workspace--update-ewmh-props)
|
||
(if exwm-workspace--create-silently
|
||
(setq exwm-workspace--switch-history-outdated t)
|
||
(exwm-workspace-switch frame t)
|
||
(run-hooks 'exwm-workspace-list-change-hook)))))
|
||
|
||
(defun exwm-workspace--remove-frame-as-workspace (frame)
|
||
"Stop treating frame FRAME as a workspace."
|
||
(cond
|
||
((not (exwm-workspace--workspace-p frame))
|
||
(exwm--log "Frame `%s' is not a workspace" frame))
|
||
(t
|
||
(exwm--log "Removing frame `%s' as workspace" frame)
|
||
(when (= 1 (exwm-workspace--count))
|
||
;; The user managed to delete the last workspace, so create a new one.
|
||
(exwm--log "Last workspace deleted; create a new one")
|
||
(let ((exwm-workspace--create-silently t))
|
||
(make-frame)))
|
||
(let* ((index (exwm-workspace--position frame))
|
||
(lastp (= index (1- (exwm-workspace--count))))
|
||
(nextw (elt exwm-workspace--list (+ index (if lastp -1 +1)))))
|
||
;; Need to remove the workspace from the list in order for
|
||
;; the correct calculation of indexes.
|
||
(setq exwm-workspace--list (delete frame exwm-workspace--list))
|
||
;; Clients need to be moved to some other workspace before this is being
|
||
;; removed.
|
||
(dolist (pair exwm--id-buffer-alist)
|
||
(with-current-buffer (cdr pair)
|
||
(when (eq exwm--frame frame)
|
||
(exwm-workspace-move-window nextw exwm--id))))
|
||
;; Update the _NET_WM_DESKTOP property of each X window affected.
|
||
(dolist (pair exwm--id-buffer-alist)
|
||
(when (<= (1- index)
|
||
(exwm-workspace--position (buffer-local-value 'exwm--frame
|
||
(cdr pair))))
|
||
(exwm-workspace--set-desktop (car pair))))
|
||
;; If the current workspace is deleted, switch to next one.
|
||
(when (eq frame exwm-workspace--current)
|
||
(exwm-workspace-switch nextw)))
|
||
;; Reparent out the frame.
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ReparentWindow
|
||
:window (frame-parameter frame 'exwm-outer-id)
|
||
:parent exwm--root
|
||
:x 0
|
||
:y 0))
|
||
;; Destroy the container.
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:DestroyWindow
|
||
:window (frame-parameter frame 'exwm-container)))
|
||
;; Update EWMH properties.
|
||
(exwm-workspace--update-ewmh-props)
|
||
;; Update switch history.
|
||
(setq exwm-workspace--switch-history-outdated t)
|
||
(run-hooks 'exwm-workspace-list-change-hook))))
|
||
|
||
(defun exwm-workspace--update-ewmh-props ()
|
||
"Update EWMH properties to match the workspace list."
|
||
(let ((num-workspaces (exwm-workspace--count)))
|
||
;; Set _NET_NUMBER_OF_DESKTOPS.
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ewmh:set-_NET_NUMBER_OF_DESKTOPS
|
||
:window exwm--root :data num-workspaces))
|
||
;; Set _NET_DESKTOP_GEOMETRY.
|
||
(exwm-workspace--set-desktop-geometry)
|
||
;; Update workareas.
|
||
(exwm-workspace--update-workareas))
|
||
(xcb:flush exwm--connection))
|
||
|
||
(defun exwm-workspace--modify-all-x-frames-parameters (new-x-parameters)
|
||
"Modifies `window-system-default-frame-alist' for the X Window System.
|
||
NEW-X-PARAMETERS is an alist of frame parameters, merged into current
|
||
`window-system-default-frame-alist' for the X Window System. The parameters are
|
||
applied to all subsequently created X frames."
|
||
;; The parameters are modified in place; take current
|
||
;; ones or insert a new X-specific list.
|
||
(let ((x-parameters (or (assq 'x window-system-default-frame-alist)
|
||
(let ((new-x-parameters '(x)))
|
||
(push new-x-parameters
|
||
window-system-default-frame-alist)
|
||
new-x-parameters))))
|
||
(setf (cdr x-parameters)
|
||
(append new-x-parameters (cdr x-parameters)))))
|
||
|
||
(defun exwm-workspace--handle-focus-in (_orig-func _event)
|
||
"Replacement for `handle-focus-in'."
|
||
(interactive "e"))
|
||
|
||
(defun exwm-workspace--handle-focus-out (_orig-func _event)
|
||
"Replacement for `handle-focus-out'."
|
||
(interactive "e"))
|
||
|
||
(defun exwm-workspace--init ()
|
||
"Initialize workspace module."
|
||
;; Prevent unexpected exit
|
||
(setq confirm-kill-emacs #'exwm-workspace--confirm-kill-emacs)
|
||
(exwm-workspace--modify-all-x-frames-parameters
|
||
'((internal-border-width . 0)))
|
||
(let ((initial-workspaces (frame-list)))
|
||
(if (not (exwm-workspace--minibuffer-own-frame-p))
|
||
;; Initialize workspaces with minibuffers.
|
||
(when (< 1 (length initial-workspaces))
|
||
;; Exclude the initial frame.
|
||
(dolist (i initial-workspaces)
|
||
(unless (frame-parameter i 'window-id)
|
||
(setq initial-workspaces (delq i initial-workspaces))))
|
||
(setq exwm-workspace--client
|
||
(frame-parameter (car initial-workspaces) 'client))
|
||
(let ((f (car initial-workspaces)))
|
||
;; Remove the possible internal border.
|
||
(set-frame-parameter f 'internal-border-width 0)
|
||
;; Prevent user from deleting the first frame by accident.
|
||
(set-frame-parameter f 'client nil)))
|
||
;; Initialize workspaces without minibuffers.
|
||
(setq exwm-workspace--minibuffer
|
||
(make-frame '((window-system . x) (minibuffer . only)
|
||
(left . 10000) (right . 10000)
|
||
(width . 1) (height . 1)
|
||
(client . nil))))
|
||
;; Remove/hide existing frames.
|
||
(dolist (f initial-workspaces)
|
||
(if (frame-parameter f 'client)
|
||
(progn
|
||
(unless exwm-workspace--client
|
||
(setq exwm-workspace--client (frame-parameter f 'client)))
|
||
(make-frame-invisible f))
|
||
(when (eq 'x (framep f)) ;do not delete the initial frame.
|
||
(delete-frame f))))
|
||
;; This is the only usable minibuffer frame.
|
||
(setq default-minibuffer-frame exwm-workspace--minibuffer)
|
||
(exwm-workspace--modify-all-x-frames-parameters
|
||
'((minibuffer . nil)))
|
||
(let ((outer-id (string-to-number
|
||
(frame-parameter exwm-workspace--minibuffer
|
||
'outer-window-id)))
|
||
(window-id (string-to-number
|
||
(frame-parameter exwm-workspace--minibuffer
|
||
'window-id)))
|
||
(container (xcb:generate-id exwm--connection)))
|
||
(set-frame-parameter exwm-workspace--minibuffer
|
||
'exwm-outer-id outer-id)
|
||
(set-frame-parameter exwm-workspace--minibuffer 'exwm-id window-id)
|
||
(set-frame-parameter exwm-workspace--minibuffer 'exwm-container
|
||
container)
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:CreateWindow
|
||
:depth 0
|
||
:wid container
|
||
:parent exwm--root
|
||
:x 0
|
||
:y 0
|
||
:width 1
|
||
:height 1
|
||
:border-width 0
|
||
:class xcb:WindowClass:InputOutput
|
||
:visual 0
|
||
:value-mask (logior xcb:CW:BackPixmap
|
||
xcb:CW:OverrideRedirect)
|
||
:background-pixmap xcb:BackPixmap:ParentRelative
|
||
:override-redirect 1))
|
||
(exwm--debug
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ewmh:set-_NET_WM_NAME
|
||
:window container
|
||
:data "Minibuffer container")))
|
||
;; Reparent the minibuffer frame to the container.
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ReparentWindow
|
||
:window outer-id :parent container :x 0 :y 0))
|
||
;; Map the container.
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:MapWindow
|
||
:window container))
|
||
;; Attach event listener for monitoring the frame
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ChangeWindowAttributes
|
||
:window outer-id
|
||
:value-mask xcb:CW:EventMask
|
||
:event-mask xcb:EventMask:StructureNotify))
|
||
(xcb:+event exwm--connection 'xcb:ConfigureNotify
|
||
#'exwm-workspace--on-ConfigureNotify))
|
||
;; Show/hide minibuffer / echo area when they're active/inactive.
|
||
(add-hook 'minibuffer-setup-hook #'exwm-workspace--on-minibuffer-setup)
|
||
(add-hook 'minibuffer-exit-hook #'exwm-workspace--on-minibuffer-exit)
|
||
(setq exwm-workspace--timer
|
||
(run-with-idle-timer 0 t #'exwm-workspace--on-echo-area-dirty))
|
||
(add-hook 'echo-area-clear-hook #'exwm-workspace--on-echo-area-clear)
|
||
;; Recreate one frame with the external minibuffer set.
|
||
(setq initial-workspaces (list (make-frame '((window-system . x)
|
||
(client . nil)))))
|
||
;; The default behavior of `display-buffer' (indirectly called by
|
||
;; `minibuffer-completion-help') is not correct here.
|
||
(cl-pushnew '(exwm-workspace--display-buffer) display-buffer-alist
|
||
:test #'equal))
|
||
;; Prevent `other-buffer' from selecting already displayed EXWM buffers.
|
||
(modify-all-frames-parameters
|
||
'((buffer-predicate . exwm-layout--other-buffer-predicate)))
|
||
;; Create remaining workspaces.
|
||
(dotimes (_ (- exwm-workspace-number (length initial-workspaces)))
|
||
(nconc initial-workspaces (list (make-frame '((window-system . x)
|
||
(client . nil))))))
|
||
;; Configure workspaces
|
||
(dolist (i initial-workspaces)
|
||
(exwm-workspace--add-frame-as-workspace i)))
|
||
(xcb:flush exwm--connection)
|
||
;; We have to advice `x-create-frame' or every call to it would hang EXWM
|
||
(advice-add 'x-create-frame :around #'exwm-workspace--x-create-frame)
|
||
;; We have to manually handle focus-in and focus-out events for Emacs
|
||
;; frames.
|
||
(advice-add 'handle-focus-in :around #'exwm-workspace--handle-focus-in)
|
||
(advice-add 'handle-focus-out :around #'exwm-workspace--handle-focus-out)
|
||
;; Make new frames create new workspaces.
|
||
(add-hook 'after-make-frame-functions
|
||
#'exwm-workspace--add-frame-as-workspace)
|
||
(add-hook 'delete-frame-functions
|
||
#'exwm-workspace--remove-frame-as-workspace)
|
||
;; Switch to the first workspace
|
||
(exwm-workspace-switch 0 t)
|
||
;; Prevent frame parameters introduced by this module from being
|
||
;; saved/restored.
|
||
(dolist (i '(exwm-active exwm-outer-id exwm-id exwm-container exwm-geometry
|
||
exwm-selected-window exwm-urgency fullscreen))
|
||
(push (cons i :never) frameset-filter-alist)))
|
||
|
||
(defun exwm-workspace--exit ()
|
||
"Exit the workspace module."
|
||
(setq confirm-kill-emacs nil
|
||
exwm-workspace--list nil
|
||
exwm-workspace--client nil
|
||
exwm-workspace--minibuffer nil
|
||
exwm-workspace--fullscreen-frame-count 0
|
||
default-minibuffer-frame nil)
|
||
(remove-hook 'minibuffer-setup-hook #'exwm-workspace--on-minibuffer-setup)
|
||
(remove-hook 'minibuffer-exit-hook #'exwm-workspace--on-minibuffer-exit)
|
||
(when exwm-workspace--timer
|
||
(cancel-timer exwm-workspace--timer)
|
||
(setq exwm-workspace--timer nil))
|
||
(remove-hook 'echo-area-clear-hook #'exwm-workspace--on-echo-area-clear)
|
||
(setq display-buffer-alist
|
||
(cl-delete '(exwm-workspace--display-buffer) display-buffer-alist
|
||
:test #'equal))
|
||
(advice-remove 'x-create-frame #'exwm-workspace--x-create-frame)
|
||
(advice-remove 'handle-focus-in #'exwm-workspace--handle-focus-in)
|
||
(advice-remove 'handle-focus-out #'exwm-workspace--handle-focus-out)
|
||
(remove-hook 'after-make-frame-functions
|
||
#'exwm-workspace--add-frame-as-workspace)
|
||
(remove-hook 'delete-frame-functions
|
||
#'exwm-workspace--remove-frame-as-workspace))
|
||
|
||
(defun exwm-workspace--post-init ()
|
||
"The second stage in the initialization of the workspace module."
|
||
(when exwm-workspace--client
|
||
;; Reset the 'fullscreen' frame parameter to make emacsclinet frames
|
||
;; fullscreen (even without the RandR module enabled).
|
||
(dolist (i exwm-workspace--list)
|
||
(set-frame-parameter i 'fullscreen nil)
|
||
(set-frame-parameter i 'fullscreen 'fullboth)))
|
||
;; Wait until all workspace frames are resized.
|
||
(with-timeout (1)
|
||
(while (< exwm-workspace--fullscreen-frame-count (exwm-workspace--count))
|
||
(accept-process-output nil 0.1)))
|
||
(setq exwm-workspace--fullscreen-frame-count nil))
|
||
|
||
|
||
|
||
(provide 'exwm-workspace)
|
||
|
||
;;; exwm-workspace.el ends here
|