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tk-events.lisp
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tk-events.lisp
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;; -*- mode: Lisp; Syntax: Common-Lisp; Package: cells; -*-
#|
Celtk -- Cells, Tcl, and Tk
Copyright (C) 2006 by Kenneth Tilton
This library is free software; you can redistribute it and/or
modify it under the terms of the Lisp Lesser GNU Public License
(http://opensource.franz.com/preamble.html), known as the LLGPL.
This library is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the Lisp Lesser GNU Public License for more details.
|#
(in-package :celtk)
(defcfun ("Tcl_DoOneEvent" Tcl_DoOneEvent) :int
(flags :int))
(defcfun ("Tcl_DoWhenIdle" tcl-do-when-idle) :void
(tcl-idle-proc :pointer)
(client-data :pointer))
(defcfun ("Tcl_SetResult" tcl-set-result) :void
(interp :pointer)
(result :string)
(free-proc :pointer))
(defcfun ("Tcl_GetString" tcl-get-string) :string
(tcl-obj :pointer))
(defcallback tcl-idle-proc :void ((client-data :pointer))
(unless (c-stopped)
(print (list :idle-proc :client-data client-data))))
;; Tk_MainLoop
(defcfun ("Tk_MainLoop" Tk_MainLoop) :void)
(defcfun ("Tk_CreateEventHandler" tk-create-event-handler) :void
(tkwin :pointer)
(mask :int)
(proc :pointer)
(client-data :pointer))
(defcenum tk-event-type ;; do not try to generate masks from these!
"Ok for interpreting type field in event, but not for (expt 2 etype) to get mask"
(:KeyPress 2)
:KeyRelease
:ButtonPress
:ButtonRelease
:MotionNotify
:EnterNotify
:LeaveNotify
:FocusIn
:FocusOut
:KeymapNotify
:Expose
:GraphicsExpose
:NoExpose
:VisibilityNotify
:CreateNotify
:DestroyNotify
:UnmapNotify
:MapNotify
:MapRequest
:ReparentNotify
:ConfigureNotify
:ConfigureRequest
:GravityNotify
:ResizeRequest
:CirculateNotify
:CirculateRequest
:PropertyNotify
:SelectionClear
:SelectionRequest
:SelectionNotify
:ColormapNotify
:ClientMessage
:MappingNotify
:virtualEvent
:ActivateNotify
:DeactivateNotify
:MouseWheelEvent)
(defcenum tk-event-mask
"Use to filter events when calling tk-create-event-handler"
:NoEventMask
(:KeyPressMask #.(ash 1 0))
(:KeyReleaseMask #.(ash 1 1))
(:ButtonPressMask #.(ash 1 2))
(:ButtonReleaseMask #.(ash 1 3))
(:EnterWindowMask #.(ash 1 4))
(:LeaveWindowMask #.(ash 1 5))
(:PointerMotionMask #.(ash 1 6))
(:PointerMotionHintMask #.(ash 1 7))
(:Button1MotionMask #.(ash 1 8))
(:Button2MotionMask #.(ash 1 9))
(:Button3MotionMask #.(ash 1 10))
(:Button4MotionMask #.(ash 1 11))
(:Button5MotionMask #.(ash 1 12))
(:ButtonMotionMask #.(ash 1 13))
(:KeymapStateMask #.(ash 1 14))
(:ExposureMask #.(ash 1 15))
(:VisibilityChangeMask #.(ash 1 16))
(:StructureNotifyMask #.(ash 1 17))
(:ResizeRedirectMask #.(ash 1 18))
(:SubstructureNotifyMask #.(ash 1 19))
(:SubstructureRedirectMask #.(ash 1 20))
(:FocusChangeMask #.(ash 1 21))
(:PropertyChangeMask #.(ash 1 22))
(:ColormapChangeMask #.(ash 1 23))
(:OwnerGrabButtonMask #.(ash 1 24))
(:MouseWheelMask #.(ash 1 28))
(:ActivateMask #.(ash 1 29))
(:VirtualEventMask #.(ash 1 30)))
(defun tk-event-type (n) ;; do not try to generate masks from these!
(ignore-errors
(foreign-enum-keyword 'tk-event-type n)))
(defun tk-event-mask-symbol (n) ;; do not try to generate masks from these!
(ignore-errors
(foreign-enum-keyword 'tk-event-mask n)))
(defun foreign-masks-combine (enum-type &rest mask-specs)
(reduce 'logior (loop for mask-spec in mask-specs
collecting (etypecase mask-spec
(number mask-spec)
(keyword (foreign-enum-value enum-type mask-spec))))
:initial-value 0))
;; sample event handler
(defcallback dump-event :void ((client-data :pointer)(xe :pointer))
(call-dump-event client-data xe))
(defun call-dump-event (client-data xe)
;;(trc "tkep> serial" (xsv serial xe))
#+shh (loop for win being the hash-keys of (tkwins *tkw*)
do (print `(win ,win :xwin ,(tkwin-window win) ,(tkwin-widget win) ,(path (tkwin-widget win)))))
;;(trc " > same-screen" (xsv same-screen xe))
(trc "tkep> " (tk-event-type (mem-aref xe :int)) :client-data client-data)
(case (tk-event-type (mem-aref xe :int))
(:motionnotify
(trc nil "motionnotify" (xsv x xe) :y (xsv y xe) :x-root (xsv x-root xe) :y-root (xsv y-root xe)))
(:virtualevent
(trc " > :type" (format nil "<<~a>>" (xsv name xe)) :time (xsv time xe) :state (xsv state xe))
(trc " > :x" (xsv x xe) :y (xsv y xe) :x-root (xsv x-root xe) :y-root (xsv y-root xe))
(trc " > event/root/sub" (mapcar (lambda (w) (when w (path w)))
(list (xwin-widget (xsv event-window xe))
(xwin-widget (xsv root-window xe))
(xwin-widget (xsv sub-window xe)))))
(trc " > data" (unless (null-pointer-p (xsv user-data xe))
(tcl-get-string (xsv user-data xe)))))))
(defun xevent-dump (xe)
(case (tk-event-type (mem-aref xe :int))
(:motionnotify
(trc nil "motionnotify" (xsv x xe) :y (xsv y xe) :x-root (xsv x-root xe) :y-root (xsv y-root xe)))
(:virtualevent
(trc " > :type" (format nil "<<~a>>" (xsv name xe)) :time (xsv time xe) :state (xsv state xe))
(trc " > :x" (xsv x xe) :y (xsv y xe) :x-root (xsv x-root xe) :y-root (xsv y-root xe))
(trc " > event/root/sub" (mapcar (lambda (w) (when w (path w)))
(list (xwin-widget (xsv event-window xe))
(xwin-widget (xsv root-window xe))
(xwin-widget (xsv sub-window xe)))))
(trc " > data" (unless (null-pointer-p (xsv user-data xe))
(tcl-get-string (xsv user-data xe)))))
(otherwise
(trc "tkep> " (tk-event-type (mem-aref xe :int))))))