exwm2/exwm-core.el
Chris Feng 6c8255bf39 Add/improve some ICCCM/EWMH features
* exwm-floating.el (exwm-floating--set-allowed-actions)
(exwm-floating--set-floating, exwm-floating--unset-floating):
Add _NET_WM_ALLOWED_ACTIONS support.

* exwm-floating.el (exwm-floating--set-floating)
(exwm-floating--unset-floating): Support initial state hint.
* exwm.el (exwm--update-hints): Fetch initial state.
(exwm--update-state, exwm--on-PropertyNotify):
WM_STATE is not intended to be read.
* exwm-core.el (exwm-state):
* exwm-floating.el (exwm-floating-hide):
* exwm-input.el (exwm-input--update-focus):
* exwm-layout.el (exwm-layout--set-state)
(exwm-layout--iconic-state-p, exwm-layout--show, exwm-layout--hide):
* exwm-manage.el (exwm-manage--on-MapRequest):
Improve WM_STATE support.

* exwm-input.el (exwm-input--set-focus):
* exwm-input.el (exwm-input--update-focus)
(exwm-input--set-active-window):
* exwm.el (exwm--on-ClientMessage): Add _NET_ACTIVE_WINDOW support.

* exwm-layout.el (exwm-layout--set-client-list-stacking):
Improve _NET_CLIENT_LIST_STACKING support.

* exwm-manage.el (exwm-manage--set-client-list)
(exwm-manage--manage-window, exwm-manage--unmanage-window):
Improve _NET_CLIENT_LIST support.

* exwm-manage.el (exwm-manage--manage-window):
* exwm-workspace.el (exwm-workspace--set-desktop)
(exwm-workspace-move-window):
* exwm.el (exwm--on-ClientMessage): Add _NET_WM_DESKTOP support.

* exwm-randr.el (exwm-randr--refresh):
* exwm-workspace.el (exwm-workspace--set-desktop-geometry)
(exwm-workspace--init): Add _NET_DESKTOP_GEOMETRY support.

* exwm-workspace.el (exwm-workspace--set-desktop-geometry):
Renamed from `exwm-workspace--update-desktop-geometry'.
* exwm-randr.el (exwm-randr--refresh): Improve _NET_WORKAREA support.

* exwm-workspace.el (exwm-workspace--set-fullscreen):
Correct variables names.

* exwm-workspace.el (exwm-workspace--init):
* exwm.el (exwm--init-icccm-ewmh):
Set _NET_NUMBER_OF_DESKTOPS in workspace module.

* exwm-workspace.el (exwm-workspace--init):
* exwm.el (exwm--init-icccm-ewmh):
Set _NET_DESKTOP_VIEWPORT in workspace module.

* exwm.el (exwm--on-ClientMessage): Improve _NET_CURRENT_DESKTOP
support.

* exwm.el (exwm--on-ClientMessage): Add _NET_CLOSE_WINDOW support.

* exwm.el (exwm--on-ClientMessage): Add WM_CHANGE_STATE support.

* exwm.el (exwm--init-icccm-ewmh): Update supported atoms.
2016-07-13 19:36:50 +08:00

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;;; exwm-core.el --- Core definitions -*- lexical-binding: t -*-
;; Copyright (C) 2015-2016 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 '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))
(defconst exwm--client-event-mask
(eval-when-compile
(logior xcb:EventMask:StructureNotify xcb:EventMask:PropertyChange))
"Event mask set on all managed windows.")
(declare-function exwm-input--on-KeyPress-line-mode "exwm-input.el"
(key-press))
;; 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--fullscreen nil) ;used in fullscreen
(defvar-local exwm--floating-frame-position nil) ;used in fullscreen
(defvar-local exwm--fixed-size nil) ;fixed size
(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.")
;; _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)
(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'.")
(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)
(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