diff options
Diffstat (limited to 'exwm-core.el')
| -rw-r--r-- | exwm-core.el | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/exwm-core.el b/exwm-core.el new file mode 100644 index 000000000000..9810de4f749e --- /dev/null +++ b/exwm-core.el @@ -0,0 +1,155 @@ +;;; exwm-core.el --- Core definitions -*- lexical-binding: t -*- + +;; Copyright (C) 2015 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))) + +(defun exwm--make-emacs-idle-for (seconds) + "Put Emacs in idle state for SECONDS seconds." + (with-timeout (seconds) (read-event))) + +(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 (logior xcb:EventMask:StructureNotify + xcb:EventMask:SubstructureRedirect))) + (xcb:flush exwm--connection)) + +(defconst exwm--client-event-mask + (logior xcb:EventMask:StructureNotify xcb:EventMask:PropertyChange) + "Event mask set on all managed windows.") + +;; Internal variables +(defvar-local exwm--id nil) ;window ID +(defvar-local exwm--frame nil) ;workspace frame +(defvar-local exwm--floating-frame nil) ;floating frame +(defvar-local exwm--floating-edges nil) ;four edges +(defvar-local exwm--fullscreen nil) ;used in fullscreen +(defvar-local exwm--floating-frame-geometry nil) ;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 nil "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) ;FIXME +(defvar-local exwm--hints-urgency nil) + +(defvar exwm-mode-map + (let ((map (make-sparse-keymap))) + (define-key map "\C-ck" #'exwm-input-release-keyboard) + (define-key map "\C-cf" #'exwm-layout-set-fullscreen) + (define-key map "\C-cm" #'exwm-floating-toggle-floating) + (define-key map "\C-cq" #'exwm-input-send-next-key) + (define-key map "\C-cv" #'exwm-workspace-move-window) + map) + "Keymap for `exwm-mode'.") + +(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 + (lambda () + (exwm-manage--close-window exwm--id (current-buffer)) + nil) + 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 |