tvl-depot/exwm-core.el
Chris Feng 71a39840b2 Fix various input focus issues
* exwm-input.el (exwm-input--on-buffer-list-update): Cancel the frame
redirection introduced by 421c0512f7.

* exwm-input.el (exwm-input--on-buffer-list-update): Only ignore temp
buffers just switched from.

* exwm-input.el (exwm-input--update-focus-commit): New function for
ensuring the input focus lock can always be released.
(exwm-input--update-focus-defer, exwm-input--update-focus): Use it.

* exwm-input.el (exwm-input--update-focus): No need to select frames;
only transfer X input focus.

* exwm-core.el (exwm--defer): New macro for correcting the use of
`run-with-idle-timer' by taking `current-idle-time' into account.
* exwm-input.el (exwm-input--update-focus-defer)
(exwm-input--update-focus):
* exwm-layout.el (exwm-layout--on-minibuffer-setup)
(exwm-layout--on-echo-area-change):
* exwm-manage.el (exwm-manage--unmanage-window)
(exwm-workspace--prompt-delete):
* exwm-workspace.el (exwm-workspace-switch)
(exwm-workspace--add-frame-as-workspace):
Use it.
2017-11-19 14:51:45 +08:00

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;;; exwm-core.el --- Core definitions -*- lexical-binding: t -*-
;; Copyright (C) 2015-2017 Free Software Foundation, Inc.
;; Author: Chris Feng <chris.w.feng@gmail.com>
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This module includes core definitions of variables, macros, functions, etc
;; shared by various other modules.
;;; Code:
(require 'kmacro)
(require 'xcb)
(require 'xcb-icccm)
(require 'xcb-ewmh)
(eval-and-compile
(defvar exwm-debug-on nil "Non-nil to turn on debug for EXWM."))
(defmacro exwm--log (format-string &rest args)
"Print debug message."
(when exwm-debug-on
`(message (concat "[EXWM] " ,format-string) ,@args)))
(defmacro exwm--debug (&rest forms)
(when exwm-debug-on `(progn ,@forms)))
(defvar exwm--connection nil "X connection.")
(defvar exwm--root nil "Root window.")
(defvar exwm--id-buffer-alist nil "Alist of (<X window ID> . <Emacs buffer>).")
(defsubst exwm--id->buffer (id)
"X window ID => Emacs buffer."
(cdr (assoc id exwm--id-buffer-alist)))
(defsubst exwm--buffer->id (buffer)
"Emacs buffer BUFFER => X window ID."
(car (rassoc buffer exwm--id-buffer-alist)))
(defun exwm--lock (&rest _args)
"Lock (disable all events)."
(xcb:+request exwm--connection
(make-instance 'xcb:ChangeWindowAttributes
:window exwm--root
:value-mask xcb:CW:EventMask
:event-mask xcb:EventMask:NoEvent))
(xcb:flush exwm--connection))
(defun exwm--unlock (&rest _args)
"Unlock (enable all events)."
(xcb:+request exwm--connection
(make-instance 'xcb:ChangeWindowAttributes
:window exwm--root
:value-mask xcb:CW:EventMask
:event-mask (eval-when-compile
(logior xcb:EventMask:SubstructureRedirect
xcb:EventMask:StructureNotify))))
(xcb:flush exwm--connection))
(defmacro exwm--defer (secs function &rest args)
"Defer the action until SECS seconds later.
The action is to call FUNCTION with arguments ARGS."
`(run-with-idle-timer (time-add (or (current-idle-time) 0) ,secs)
nil
,function
,@args))
(defconst exwm--client-event-mask
(eval-when-compile
(logior xcb:EventMask:StructureNotify xcb:EventMask:PropertyChange))
"Event mask set on all managed windows.")
(defvar exwm-input-line-mode-passthrough)
(defvar exwm-input--global-prefix-keys)
(defvar exwm-input-prefix-keys)
(defvar exwm-input--simulation-prefix-keys)
(declare-function exwm-input--fake-key "exwm-input.el" (event))
(declare-function exwm-input--on-KeyPress-line-mode "exwm-input.el"
(key-press raw-data))
;; Internal variables
(defvar-local exwm--id nil) ;window ID
(defvar-local exwm--container nil) ;container
(defvar-local exwm--frame nil) ;workspace frame
(defvar-local exwm--floating-frame nil) ;floating frame
(defvar-local exwm--mode-line-format nil) ;save mode-line-format
(defvar-local exwm--floating-frame-position nil) ;used in fullscreen
(defvar-local exwm--fixed-size nil) ;fixed size
(defvar-local exwm--keyboard-grabbed nil) ;Keyboard grabbed.
(defvar-local exwm--on-KeyPress ;KeyPress event handler
#'exwm-input--on-KeyPress-line-mode)
;; Properties
(defvar-local exwm-window-type nil "_NET_WM_WINDOW_TYPE.")
(defvar-local exwm--geometry nil)
(defvar-local exwm-class-name nil "Class name in WM_CLASS.")
(defvar-local exwm-instance-name nil "Instance name in WM_CLASS.")
(defvar-local exwm-title nil "Window title (either _NET_WM_NAME or WM_NAME)")
(defvar-local exwm--title-is-utf8 nil)
(defvar-local exwm-transient-for nil "WM_TRANSIENT_FOR.")
(defvar-local exwm--protocols nil)
(defvar-local exwm-state xcb:icccm:WM_STATE:NormalState "WM_STATE.")
(defvar-local exwm--ewmh-state nil "_NET_WM_STATE.")
;; _NET_WM_NORMAL_HINTS
(defvar-local exwm--normal-hints-x nil)
(defvar-local exwm--normal-hints-y nil)
(defvar-local exwm--normal-hints-width nil)
(defvar-local exwm--normal-hints-height nil)
(defvar-local exwm--normal-hints-min-width nil)
(defvar-local exwm--normal-hints-min-height nil)
(defvar-local exwm--normal-hints-max-width nil)
(defvar-local exwm--normal-hints-max-height nil)
;; (defvar-local exwm--normal-hints-win-gravity nil)
;; WM_HINTS
(defvar-local exwm--hints-input nil)
(defvar-local exwm--hints-urgency nil)
;; _MOTIF_WM_HINTS
(defvar-local exwm--mwm-hints-decorations t)
(declare-function exwm-floating-hide "exwm-floating.el")
(declare-function exwm-floating-toggle-floating "exwm-floating.el")
(declare-function exwm-input-release-keyboard "exwm-input.el")
(declare-function exwm-input-send-next-key "exwm-input.el" (times))
(declare-function exwm-layout-set-fullscreen "exwm-layout.el" (&optional id))
(declare-function exwm-layout-toggle-mode-line "exwm-layout.el")
(declare-function exwm-workspace-move-window "exwm-workspace.el"
(frame-or-index &optional id))
(defvar exwm-mode-map
(let ((map (make-sparse-keymap)))
(define-key map "\C-c\C-f" #'exwm-layout-set-fullscreen)
(define-key map "\C-c\C-h" #'exwm-floating-hide)
(define-key map "\C-c\C-k" #'exwm-input-release-keyboard)
(define-key map "\C-c\C-m" #'exwm-workspace-move-window)
(define-key map "\C-c\C-q" #'exwm-input-send-next-key)
(define-key map "\C-c\C-t\C-f" #'exwm-floating-toggle-floating)
(define-key map "\C-c\C-t\C-m" #'exwm-layout-toggle-mode-line)
map)
"Keymap for `exwm-mode'.")
(defvar exwm--kmacro-map
(let ((map (make-sparse-keymap)))
(define-key map [t]
(lambda ()
(interactive)
(cond
((or exwm-input-line-mode-passthrough
;; Do not test `exwm-input--during-command'.
(active-minibuffer-window)
(memq last-input-event exwm-input--global-prefix-keys)
(memq last-input-event exwm-input-prefix-keys)
(memq last-input-event exwm-input--simulation-prefix-keys))
(set-transient-map (make-composed-keymap (list exwm-mode-map
global-map)))
(push last-input-event unread-command-events))
(t
(exwm-input--fake-key last-input-event)))))
map)
"Keymap used when executing keyboard macros.")
;; This menu mainly acts as an reminder for users. Thus it should be as
;; detailed as possible, even some entries do not make much sense here.
;; Also, inactive entries should be disabled rather than hidden.
(easy-menu-define exwm-mode-menu exwm-mode-map
"Menu for `exwm-mode'."
'("EXWM"
"---"
"*General*"
"---"
["Toggle floating" exwm-floating-toggle-floating]
["Toggle fullscreen mode" exwm-layout-toggle-fullscreen]
["Hide window" exwm-floating-hide exwm--floating-frame]
["Close window" (kill-buffer (current-buffer))]
"---"
"*Resizing*"
"---"
["Toggle mode-line" exwm-layout-toggle-mode-line :keys "C-c C-t C-m"]
["Enlarge window vertically" exwm-layout-enlarge-window]
["Enlarge window horizontally" exwm-layout-enlarge-window-horizontally]
["Shrink window vertically" exwm-layout-shrink-window]
["Shrink window horizontally" exwm-layout-shrink-window-horizontally]
"---"
"*Keyboard*"
"---"
["Toggle keyboard mode" exwm-input-toggle-keyboard]
["Send key" exwm-input-send-next-key exwm--keyboard-grabbed]
;; This is merely a reference.
("Send simulation key" :filter
(lambda (&rest _args)
(mapcar (lambda (i)
(let ((keys (cdr i)))
(if (vectorp keys)
(setq keys (append keys))
(unless (sequencep keys)
(setq keys (list keys))))
(vector (key-description keys)
`(lambda ()
(interactive)
(dolist (key ',keys)
(exwm-input--fake-key key)))
:keys (key-description (car i)))))
exwm-input--simulation-keys)))
["Define global binding" exwm-input-set-key]
"---"
"*Workspace*"
"---"
["Add workspace" exwm-workspace-add]
["Delete current workspace" exwm-workspace-delete]
["Move workspace to" exwm-workspace-move]
["Swap workspaces" exwm-workspace-swap]
["Move X window to" exwm-workspace-move-window :keys "C-c C-m"]
["Move X window from" exwm-workspace-switch-to-buffer]
["Toggle minibuffer" exwm-workspace-toggle-minibuffer]
["Switch workspace" exwm-workspace-switch]
;; Place this entry at bottom to avoid selecting others by accident.
("Switch to" :filter
(lambda (&rest _args)
(mapcar (lambda (i)
`[,(format "workspace %d" i)
(lambda ()
(interactive)
(exwm-workspace-switch ,i))
(/= ,i exwm-workspace-current-index)])
(number-sequence 0 (1- (exwm-workspace--count))))))))
(declare-function exwm-manage--kill-buffer-query-function "exwm-manage.el")
(define-derived-mode exwm-mode nil "EXWM"
"Major mode for managing X windows.
\\{exwm-mode-map}"
;;
(setq mode-name
'(:eval (propertize "EXWM" 'face
(when (cl-some (lambda (i)
(frame-parameter i 'exwm-urgency))
exwm-workspace--list)
'font-lock-warning-face))))
;; Change major-mode is not allowed
(add-hook 'change-major-mode-hook #'kill-buffer nil t)
;; Kill buffer -> close window
(add-hook 'kill-buffer-query-functions
#'exwm-manage--kill-buffer-query-function nil t)
;; Redirect events when executing keyboard macros.
(push `(executing-kbd-macro . ,exwm--kmacro-map)
minor-mode-overriding-map-alist)
(setq buffer-read-only t
left-margin-width nil
right-margin-width nil
left-fringe-width 0
right-fringe-width 0
vertical-scroll-bar nil))
(provide 'exwm-core)
;;; exwm-core.el ends here