;;; -*- Mode: Common-Lisp; Package: User; Base: 16.; Patch-File: T -*-
;;; Written 09/29/89 11:40:46 by MARKY,
;;; Reason: Changed (:method mac-application-internal :dequeue-event). 
;;; It was ALWAYS returning the 1st event irregardless of event-mask.
;;; while running on MX5 from band bas6
;;; With SYSTEM 6.14, GC 6.3, VIRTUAL-MEMORY 6.1, MICRONET 6.0, MICRONET-COMM 6.1,
;;;  DISK-IO 6.1, DISK-LABEL 6.0, BASIC-PATHNAME 6.1, MAC-PATHNAME 6.0, NETWORK-SUPPORT-COLD 6.0,
;;;  BASIC-NAMESPACE 6.2, BASIC-FILE 6.2, RPC 6.1, NFS-MX 6.1, EH 6.4, MAKE-SYSTEM 6.0,
;;;  MEMORY-AUX 6.0, COMPILER 6.10, TV 6.15, NVRAM 6.1, UCL 6.0, INPUT-EDITOR 6.0,
;;;  Inconsistent MACTOOLBOX 2.8, METER 6.1, ZWEI 6.5, DEBUG-TOOLS 6.3, WINDOW-MX 6.8,
;;;  PRINTER 6.3, MAC-PRINTER-TYPES 6.1, CLIPBOARD 6.1, TI-CLOS 6.20, CLEH 6.5, NETWORK-PATHNAME 6.0,
;;;  NETWORK-NAMESPACE 6.0, DATALINK 6.0, CHAOSNET 6.0, NETWORK-SUPPORT 6.0, NETWORK-SERVICE 6.1,
;;;  DATALINK-DISPLAYS 6.0, MX-DATALINK 6.1, NAMESPACE-EDITOR 6.0, IP 3.47, NFS-MX-SERVER 6.0,
;;;  MX-SERIAL 6.1, PRINTER-TYPES 6.1, IMAGEN 6.0, MAIL-DAEMON 6.2, MAIL-READER 6.2,
;;;  TELNET 6.0, VT100 6.0, STREAMER-TAPE 6.4, DECNET 1.69, VISIDOC 6.2, PROFILE 6.1,
;;;  Experimental ACTION 1.0, Experimental GRAPHICS-WINDOW 6.0, Experimental TREE 6.0,
;;;  Experimental SNRL 4.0, Experimental SNRL-ADD-ONS 1.0, Experimental QUERY 1.0,
;;;  Experimental SST-WINDOWS 1.0, Experimental SCENARIO-MANAGER 1.0, Experimental SNED 1.0,
;;;  Experimental GRAPHICAL-SORT 1.0, Experimental STRATEGY-MANAGER 1.0, Experimental STRATEGY-EDITOR 1.0,
;;;  Experimental ICON-BUILDER 1.0, Experimental CONFLICT-RESOLUTION 24.0, Experimental ARMAC 1.0,
;;;   microcode 138, Band Name: N801 + base Armac

;;; may 09/29/89, code-read sbw. Corrected 10-4-89
;;; Fixed problems with event-list search that ALWAYS returned first event
;;; IRREGARDLESS of event-mask.

#!C
; From file MAC-APPLICATIONS.LISP#> TOOLBOX-INTERFACE; SYS:
#16R MACTOOLBOX#:
(COMPILER-LET ((*PACKAGE* (FIND-PACKAGE "MACTOOLBOX"))
                          (SI:*LISP-MODE* :COMMON-LISP)
                          (*READTABLE* SYS:COMMON-LISP-READTABLE)
                          (SI:*READER-SYMBOL-SUBSTITUTIONS* SYS::*COMMON-LISP-SYMBOL-SUBSTITUTIONS*))
  (COMPILER#:PATCH-SOURCE-FILE "SYS: TOOLBOX-INTERFACE; MAC-APPLICATIONS.#"


(defmethod (mac-application-internal :dequeue-event) (event-mask user-event &optional leave-in-queue mouse-moved-region &aux evt)
  "Return an event from applications event queue for event-mask."
  (block dequeue-event

      ;; Return mouse moved events only if a region was specified and we have seen the mouse move.
      (when (and mouse-moved-region
		 (not (zerop (send mouse-moved-region :handle)))
		 (not (= last-mouse-moved-time last-mouse-moved-event-time)))
	
	(without-interrupts
	  (send *temp-point* := last-mouse-v last-mouse-h)
	  (when (not (!PtInRgn *temp-point* mouse-moved-region))	  
	    
	    (setf last-mouse-moved-event-time  last-mouse-moved-time)
	    (setf (send user-event :what)      !app4Evt)
	    (setf (send user-event :message)   (dpb  *mouse-moved-event-opcode* (byte 8 24) 0))
	    (setf (send user-event :when)      last-mouse-moved-time)
	    (setf (send user-event :h)         last-mouse-h)
	    (setf (send user-event :v)         last-mouse-v)
	    (setf (send user-event :modifiers) last-modifiers)
	    (return-from dequeue-event t))))

      (dolist (mask `(,(logior !app4Mask !activMask)
		      ,(logior !mDownMask !mUpMask !keyDownMask !keyUpMask !diskMask
			       !networkMask !driverMask !app1Mask !app2Mask !app3Mask)
		      ,!autoKeyMask
		      ,!updateMask))

	;; may 09/29/89 Corrected paren mismatch with :key lambda and simplified
	;; by changing the FIND into the DOLIST below. Logand of 0 is still true!
	;;(when (setf evt (find (logand mask event-mask)
	;;		      event-list
	;;		      :test #'(lambda (a b) (logand a (ash 1 b))
	;;				      :key #'(lambda (el) (send el :what)))))
	;;  (return))
	(DOLIST (EVENT EVENT-LIST)
	  (UNLESS (ZEROP (LOGAND MASK EVENT-MASK (ASH 1 (SEND EVENT :WHAT))))
	    (RETURN (SETF EVT EVENT)))))

      (when evt
		
	(setf (send user-event :what)      (send evt :what))
	(setf (send user-event :message)   (send evt :message))
	(setf (send user-event :when)      (send evt :when))
	(setf (send user-event :modifiers) (send evt :modifiers))
	(setf (send user-event :h)         (send evt :h))
	(setf (send user-event :v)         (send evt :v))
	
	(when (not leave-in-queue)	
	  (without-interrupts (setf event-list (delete evt event-list :test #'eq :count 1)))
	  (deallocate-event evt))

	(return-from dequeue-event t))
    
      ;; No events available. return a null event.    
      (setf (send user-event :what)      0)
      (setf (send user-event :message)   0)
      ;; A crude way to generate :when for null events.
      (setf (send user-event :when)      (+ (time-difference (time) last-event-arrival-time) last-when))
      (setf (send user-event :h)         last-mouse-h)
      (setf (send user-event :v)         last-mouse-v)
      (setf (send user-event :modifiers) last-modifiers)
      (return-from dequeue-event nil)))
))