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;; Copyright (C) 2003-2008 Shawn Betts
;;
;; This file is part of stumpwm.
;;
;; stumpwm 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 2, or (at your option)
;; any later version.
;; stumpwm 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 this software; see the file COPYING. If not, see
;; <http://www.gnu.org/licenses/>.
;; Commentary:
;;
;; This file contains core functionality including functions on
;; windows, screens, and events.
;;
;; Code:
(in-package :stumpwm)
;;; keyboard helper functions
(defun key-to-keycode+state (key)
(let ((code (xlib:keysym->keycodes *display* (key-keysym key))))
(cond ((eq (xlib:keycode->keysym *display* code 0) (key-keysym key))
(values code (x11-mods key)))
((eq (xlib:keycode->keysym *display* code 1) (key-keysym key))
(values code (apply 'xlib:make-state-mask
(cons :shift (xlib:make-state-keys (x11-mods key))))))
(t
;; just warn them and go ahead as scheduled
(warn "Don't know how to encode ~s" key)
(values code (x11-mods key))))))
(defun send-fake-key (win key)
"Send a fake key press event to win."
(multiple-value-bind (code state) (key-to-keycode+state key)
(xlib:send-event (window-xwin win) :key-press (xlib:make-event-mask :key-press)
:display *display*
:root (screen-root (window-screen win))
;; Apparently we need these in here, though they
;; make no sense for a key event.
:x 0 :y 0 :root-x 0 :root-y 0
:window (window-xwin win) :event-window (window-xwin win)
:code code
:state state)))
(defun send-fake-click (win button)
"Send a fake click (button press + button release) to win."
(cond
#+clx-ext-test
((xlib:query-extension *display* "XTEST")
(xtest:fake-button-event *display* button t)
(xtest:fake-button-event *display* button nil))
(t
(multiple-value-bind (x y) (xlib:query-pointer (window-xwin win))
(multiple-value-bind (rx ry) (xlib:query-pointer (screen-root (window-screen win)))
(xlib:send-event (window-xwin win) :button-press (xlib:make-event-mask :button-press)
:display *display*
:root (screen-root (window-screen win))
:window (window-xwin win) :event-window (window-xwin win)
:code button
:state 0
:x x :y y :root-x rx :root-y ry
:same-screen-p t)
(xlib:send-event (window-xwin win) :button-release (xlib:make-event-mask :button-release)
:display *display*
:root (screen-root (window-screen win))
:window (window-xwin win) :event-window (window-xwin win)
:code button
:state #x100
:x x :y y :root-x rx :root-y ry
:same-screen-p t))))))
;;; Pointer helper functions
(defun grab-pointer (screen)
"Grab the pointer and set the pointer shape."
(incf *grab-pointer-count*)
(let* ((cursor-font (xlib:open-font *display* *grab-pointer-font*))
(cursor (xlib:create-glyph-cursor :source-font cursor-font
:source-char *grab-pointer-character*
:mask-font cursor-font
:mask-char *grab-pointer-character-mask*
:foreground *grab-pointer-foreground*
:background *grab-pointer-background*)))
(xlib:grab-pointer (screen-root screen) nil :owner-p nil
:cursor cursor)))
(defun ungrab-pointer ()
"Remove the grab on the cursor and restore the cursor shape."
(when (> *grab-pointer-count* 0) (decf *grab-pointer-count*))
(when (eq *grab-pointer-count* 0)
(xlib:ungrab-pointer *display*)
(xlib:display-finish-output *display*)))
(defun grab-keyboard (xwin)
(let ((ret (xlib:grab-keyboard xwin :owner-p nil
:sync-keyboard-p nil :sync-pointer-p nil)))
(dformat 5 "vvv Grab keyboard: ~s~%" ret)
ret))
(defun ungrab-keyboard ()
(let ((ret (xlib:ungrab-keyboard *display*)))
(dformat 5 "^^^ Ungrab keyboard: ~s~%" ret)
ret))
(defun warp-pointer (screen x y)
"Move the pointer to the specified location."
(let ((root (screen-root screen)))
(xlib:warp-pointer root x y)))
(defun warp-pointer-relative (dx dy)
"Move the pointer by DX and DY relative to the current location."
(xlib:warp-pointer-relative *display* dx dy))
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