src/clfswm-generic-mode.lisp

   1 ;;; --------------------------------------------------------------------------
   2 ;;; CLFSWM - FullScreen Window Manager
   3 ;;;
   4 ;;; --------------------------------------------------------------------------
   5 ;;; Documentation: Main functions
   6 ;;; --------------------------------------------------------------------------
   7 ;;;
   8 ;;; (C) 2012 Philippe Brochard <pbrochard@common-lisp.net>
   9 ;;;
  10 ;;; This program is free software; you can redistribute it and/or modify
  11 ;;; it under the terms of the GNU General Public License as published by
  12 ;;; the Free Software Foundation; either version 3 of the License, or
  13 ;;; (at your option) any later version.
  14 ;;;
  15 ;;; This program is distributed in the hope that it will be useful,
  16 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;;; GNU General Public License for more details.
  19 ;;;
  20 ;;; You should have received a copy of the GNU General Public License
  21 ;;; along with this program; if not, write to the Free Software
  22 ;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23 ;;;
  24 ;;; --------------------------------------------------------------------------
  25
  26 (in-package :clfswm)
  27
  28 (defun generic-mode (mode exit-tag &key enter-function loop-function leave-function
  29                      (loop-hook *loop-hook*) original-mode)
  30   "Enter in a generic mode"
  31   (let ((last-mode *current-event-mode*))
  32     (unassoc-keyword-handle-event)
  33     (when original-mode
  34       (dolist (add-mode (ensure-list original-mode))
  35         (assoc-keyword-handle-event add-mode)))
  36     (assoc-keyword-handle-event mode)
  37     (nfuncall enter-function)
  38     (catch exit-tag
  39       (unwind-protect
  40            (loop
  41               (with-xlib-protect (:generic-mode exit-tag)
  42                 (call-hook loop-hook)
  43                 (process-timers)
  44                 (nfuncall loop-function)
  45                 (when (xlib:event-listen *display* *loop-timeout*)
  46                   (xlib:process-event *display* :handler #'handle-event))
  47                 (xlib:display-finish-output *display*)))
  48         (progn
  49           (nfuncall leave-function)
  50           (unassoc-keyword-handle-event)
  51           (assoc-keyword-handle-event last-mode))))))
  52
  53