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input.lisp
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;;;; Copyright (C) 2020, 2021 Andrea De Michele
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 2.1 of the License, or (at your option) any later version.
;;;;
;;;; This library 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
;;;; Lesser General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
;;;; USA
(in-package :clim-doors)
(climi::define-event-class window-manager-request-event (window-manager-event)
())
(climi::define-event-class window-manager-configuration-request-event (window-manager-request-event)
((window :initarg :window :reader window-manager-configuration-request-event-window)
(x :initarg :x :reader window-manager-configuration-request-event-native-x)
(y :initarg :y :reader window-manager-configuration-request-event-native-y)
(width :initarg :width :reader window-manager-configuration-request-event-width)
(height :initarg :height :reader window-manager-configuration-request-event-height)))
(climi::define-event-class window-manager-map-request-event (window-manager-request-event)
((window :initarg :window :reader window-manager-map-request-event-window)))
(climi::define-event-class window-manager-number-of-desktops-request-event (window-manager-request-event)
((number :initarg :number :reader window-manager-number-of-desktops-request-event-number)))
(climi::define-event-class window-manager-current-desktop-request-event (window-manager-request-event)
((number :initarg :number :reader window-manager-current-desktop-request-event-number)))
;; For the moment I ignore source and current active window because I always obey to the request
(climi::define-event-class window-manager-active-window-request-event (window-manager-request-event)
((frame :initarg :frame :reader window-manager-active-window-request-event-frame)))
(defun send-configure-notify (window)
;; may the parent of window
(multiple-value-bind (x y)
(xlib:translate-coordinates window 0 0
(xlib:drawable-root window))
(xlib:send-event window :configure-notify (xlib:make-event-mask :structure-notify)
:event-window window
:window window
:override-redirect-p nil
:x x :y y
:width (xlib:drawable-width window)
:height (xlib:drawable-height window)
:border-width 0
:propagate-p nil)))
(defun grant-configure-request (event)
"grant the configure request"
(with-slots (window x y width height) event
(xlib:with-state (window)
; (when x (setf (xlib:drawable-x window) x))
; (when y (setf (xlib:drawable-y window) y))
(when width (setf (xlib:drawable-width window) width))
(when height (setf (xlib:drawable-height window) height)))))
(defmethod queue-event ((client application-frame) event)
(climi::event-queue-append (climi::frame-event-queue client) event))
;; check this two
(defmethod distribute-event :around ((port doors-port) (event keyboard-event))
(if (or (eq (graft port) (event-sheet event))
(loop for x in *grabbed-keystrokes* thereis (event-matches-gesture-name-p event x)))
(when *wm-application* (climi::dispatch-event-copy *wm-application* event))
(call-next-method)))
(defmethod dispatch-event ((client doors-graft) event)
(queue-event *wm-application* event))
(defvar *doors-port*)
(defvar *wait-function*)
(defmethod process-next-event ((port doors-port) &key wait-function (timeout nil))
(let ((*doors-port* port)
(clim-clx::*clx-port* port)
(*wait-function* wait-function))
(when (maybe-funcall wait-function)
(return-from process-next-event
(values nil :wait-function)))
(let ((event (xlib:process-event (clx-port-display port)
:timeout timeout
:handler #'event-handler
:discard-p t
:force-output-p t)))
(case event
((nil)
(if (maybe-funcall wait-function)
(values nil :wait-function)
(values nil :timeout)))
((t) (values nil :wait-function))
(otherwise
(prog1 t (distribute-event port event)))))))
(defun event-handler (&key display event-window window kind event-key code state mode time
type width height x y root-x root-y
data override-redirect-p send-event-p
target property requestor selection
request first-keycode count value-mask child atom
&allow-other-keys)
(declare (ignorable first-keycode count child override-redirect-p
send-event-p event-window))
(when (and time (> time (x-server-timestamp *doors-port*)))
(setf (x-server-timestamp *doors-port*) time))
(macrolet ((with-sheet-from-window
((sheet) &body body)
`(when-let ((,sheet (and window
(or (getf (xlib:window-plist window) 'sheet)
(port-lookup-foreign-sheet *doors-port* window)
(graft *doors-port*)))))
,@body)))
(case event-key
((:focus-out)
(log:warn "focus out che fare ?" )
(return-from event-handler (maybe-funcall *wait-function*)))
((:focus-in)
(log:warn "focus in che fare ?" )
(return-from event-handler (maybe-funcall *wait-function*)))
((:property-notify)
(when-let ((win (port-aux-xwindow *doors-port*)))
(when (xlib:window-equal window win)
(setf (x-server-timestamp *doors-port*) time)))
(log:warn "property changed" atom window)
(return-from event-handler (maybe-funcall *wait-function*)))
((:configure-request)
;;; maybe I can use with-sheet-from-window here
(let ((sheet (and window
(or (getf (xlib:window-plist window) 'sheet)
(port-lookup-foreign-sheet *doors-port* window)))))
(return-from event-handler
(make-instance 'window-manager-configuration-request-event
:sheet (or sheet *wm-application*)
:window window
:x (and (= 1 (logand value-mask 1)) x)
:y (and (= 2 (logand value-mask 2)) y)
:width (and (= 4 (logand value-mask 4)) width)
:height (and (= 8 (logand value-mask 8)) height)))))
((:mapping-notify)
(xlib:mapping-notify display request 0 0)
(return-from event-handler (maybe-funcall *wait-function*)))
((:map-request)
(make-instance 'window-manager-map-request-event
:sheet *wm-application*
:window window))
((:key-press :key-release)
(with-sheet-from-window (sheet)
(multiple-value-bind (keyname modifier-state keysym-name)
(clim-xcommon:x-event-to-key-name-and-modifiers *doors-port*
event-key code state)
(make-instance (if (eq event-key :key-press)
'key-press-event
'key-release-event)
:key-name keysym-name
:key-character (and (characterp keyname) keyname)
:x x :y y
:sheet sheet
:modifier-state modifier-state :timestamp time))))
((:button-press :button-release)
(with-sheet-from-window (sheet)
(when (typep sheet 'foreign-application-pane)
(xlib:allow-events display :replay-pointer time))
(let ((modifier-state (clim-xcommon:x-event-state-modifiers *doors-port* state))
(button (clim-clx::decode-x-button-code code)))
(if (member button '(#.+pointer-wheel-up+
#.+pointer-wheel-down+
#.+pointer-wheel-left+
#.+pointer-wheel-right+))
;; Pointer scroll generates button press and button
;; release event. We ignore the latter. -- jd 2019-09-01
(when (eq event-key :button-press)
(make-instance 'climi::pointer-scroll-event
:pointer (port-pointer *doors-port*)
:button button :x x :y y
:sheet sheet
:modifier-state modifier-state
:delta-x (case button
(#.+pointer-wheel-left+ -1)
(#.+pointer-wheel-right+ 1)
(otherwise 0))
:delta-y (case button
(#.+pointer-wheel-up+ -1)
(#.+pointer-wheel-down+ 1)
(otherwise 0))
:timestamp time))
(make-instance (if (eq event-key :button-press)
'pointer-button-press-event
'pointer-button-release-event)
:pointer (port-pointer *doors-port*)
:button button :x x :y y
:sheet sheet :modifier-state modifier-state
:timestamp time)))))
((:leave-notify :enter-notify)
;; Ignore :{ENTER,LEAVE}-NOTIFY events of kind :INFERIOR unless
;; the mode is :[UN]GRAB.
;;
;; The :INFERIOR kind corresponds to the pointer moving from a
;; parent window to a child window which we do not consider
;; leaving the parent.
;;
;; But we cannot ignore any :[UN]GRAB events since doing so
;; would violate the stack-properties of enter/exit event
;; sequences.
;;
;; The event kinds filtered here must be coordinated with the
;; processing in the DISTRIBUTE-EVENTS method for BASIC-PORT
;; and related methods.
(with-sheet-from-window (sheet)
(when (or (not (eq kind :inferior))
(member mode '(:grab :ungrab)))
(make-instance (case event-key
(:leave-notify (case mode
(:grab 'pointer-grab-leave-event)
(:ungrab 'pointer-ungrab-leave-event)
(t 'pointer-exit-event)))
(:enter-notify (case mode
(:grab 'pointer-grab-enter-event)
(:ungrab 'pointer-ungrab-enter-event)
(t 'pointer-enter-event))))
:pointer (port-pointer *doors-port*) :button code
:x x :y y
:sheet sheet
:modifier-state (clim-xcommon:x-event-state-modifiers
*doors-port* state)
:timestamp time))))
(:configure-notify
(with-sheet-from-window (sheet)
(make-instance 'window-configuration-event
:sheet sheet
:region (make-bounding-rectangle
x y (+ x width) (+ y height)))))
(:destroy-notify
(with-sheet-from-window (sheet)
(make-instance 'window-destroy-event :sheet sheet)))
(:motion-notify
(with-sheet-from-window (sheet)
(let ((modifier-state (clim-xcommon:x-event-state-modifiers *doors-port*
state)))
(make-instance 'pointer-motion-event
:pointer (port-pointer *doors-port*) :button code
:x x :y y
:sheet sheet
:modifier-state modifier-state
:timestamp time))))
((:exposure :graphics-exposure)
;; Notes:
;; . Do not compare count with 0 here, last rectangle in an
;; :exposure event sequence does not cover the whole region.
;;
;; . Do not transform the event region here, since
;; WINDOW-EVENT-REGION does it already. And rightfully so.
;; (think about changing a sheet's native transformation).
;;--GB
;;
(with-sheet-from-window (sheet)
(make-instance 'window-repaint-event
:timestamp time
:sheet sheet
:region (make-rectangle* x y (+ x width) (+ y height)))))
;; port processes selection events synchronously and there is
;; no event passed to the rest of the system.
(:selection-notify
(with-sheet-from-window (sheet)
(clim-clx::process-selection-notify *doors-port* window target property selection time))
(maybe-funcall *wait-function*))
(:selection-clear
(clim-clx::process-selection-clear *doors-port* selection)
(maybe-funcall *wait-function*))
(:selection-request
(with-sheet-from-window (sheet)
(clim-clx::process-selection-request *doors-port* window sheet target property requestor selection time))
(maybe-funcall *wait-function*))
(:client-message
(with-sheet-from-window (sheet)
(or (port-client-message sheet time type data)
(maybe-funcall *wait-function*))))
(t
(unless (xlib:event-listen (clx-port-display *doors-port*))
(xlib:display-force-output (clx-port-display *doors-port*)))
(maybe-funcall *wait-function*)))))
(defun port-client-message (sheet time type data)
(case type
(:wm_protocols
(let ((message (xlib:atom-name (clx-port-display *doors-port*) (aref data 0))))
(case message
(:wm_take_focus
;; hmm, this message seems to be sent twice.
(when-let ((mirror (sheet-mirror sheet)))
(xlib:set-input-focus (clx-port-display *doors-port*)
(clim-clx::window mirror) :parent (elt data 1)))
(make-instance 'window-manager-focus-event :sheet sheet :timestamp time))
(:wm_delete_window
(make-instance 'window-manager-delete-event :sheet sheet :timestamp time))
(otherwise
(warn "Unprocessed WM Protocols message: ~:_message = ~S;~:_ data = ~S;~_ sheet = ~S."
message data sheet)))))
(:_net_number_of_desktops
(make-instance 'window-manager-number-of-desktops-request-event :sheet (or *wm-application* sheet) :number (elt data 0) :timestamp time))
(:_net_current_desktop
(make-instance 'window-manager-current-desktop-request-event :sheet (or *wm-application* sheet) :number (elt data 0) :timestamp (elt data 1)))
(:_net_active_window
(when (and *wm-application* (panep sheet))
(make-instance 'window-manager-active-window-request-event :sheet *wm-application* :frame (pane-frame sheet) :timestamp (elt data 1)))) ;;sourceindication??
(otherwise
(warn "Unprocessed client message: ~:_type = ~S;~:_ data = ~S;~_ sheet = ~S."
type data sheet))))