"
COPYRIGHT (c) 1990 by Claus Gittinger
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
"{ Package: 'stx:libview2' }"
"{ NameSpace: Smalltalk }"
SimpleView subclass:#InputView
instanceVariableNames:'eventReceiver'
classVariableNames:''
poolDictionaries:''
category:'Views-Special'
!
!InputView class methodsFor:'documentation'!
copyright
"
COPYRIGHT (c) 1990 by Claus Gittinger
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
!
documentation
"
a view for input only - forwarding all events to another object.
This kind of view can be used to be laid on top of another view to catch all
input. (Interface builder)
NOTICE: the event forwarding is a leftover from times when not delegation mechanism
existed - it will vanish - use delegates for new code.
[author:]
Claus Gittinger
"
! !
!InputView methodsFor:'accessing'!
eventReceiver:aView
"set the view to which input events are forwarded"
eventReceiver := aView
!
isInputOnly
"return true, since this is a transparent input-only view"
^ true
"Created: 1.6.1996 / 13:22:31 / cg"
! !
!InputView methodsFor:'drag & drop'!
canDrop:aDropContext
"return true, if aCollectionOfDropObjects can be dropped here.
Delegated to my eventReceiving view"
^ eventReceiver notNil
and:[ eventReceiver canDrop:aDropContext ]
"Created: / 13-10-2006 / 12:35:07 / cg"
"Modified: / 13-10-2006 / 16:02:45 / cg"
!
canDrop:aDropContext at:aPoint
"return true, if aCollectionOfDropObjects can be dropped here.
Delegated to my eventReceiving view"
^ eventReceiver notNil
and:[ eventReceiver canDrop:aDropContext at:aPoint ]
"Created: / 13-10-2006 / 12:35:07 / cg"
"Modified: / 13-10-2006 / 16:02:37 / cg"
!
canDropObjects:aCollectionOfDropObjects
"return true, if aCollectionOfDropObjects can be dropped here.
Delegated to my eventReceiving view"
^ eventReceiver notNil
and:[ eventReceiver canDropObjects:aCollectionOfDropObjects ]
"Created: / 13-10-2006 / 16:01:58 / cg"
!
canDropObjects:aCollectionOfDropObjects at:aPoint
"return true, if aCollectionOfDropObjects can be dropped here.
Delegated to my eventReceiving view"
^ eventReceiver notNil
and:[ eventReceiver canDropObjects:aCollectionOfDropObjects at:aPoint]
"Created: / 13-10-2006 / 16:02:13 / cg"
!
drop:aDropContext
"drop aCollectionOfDropObjects here.
Delegated to my eventReceiving view"
eventReceiver drop:aDropContext
"Modified: / 13-10-2006 / 16:03:32 / cg"
!
drop:aDropContext at:aPoint
"drop aCollectionOfDropObjects here.
Delegated to my eventReceiving view"
eventReceiver drop:aDropContext at:aPoint
"Modified: / 13-10-2006 / 16:03:27 / cg"
!
dropObjects:aCollectionOfDropObjects
"drop aCollectionOfDropObjects here.
Delegated to my eventReceiving view"
eventReceiver dropObjects:aCollectionOfDropObjects
"Created: / 13-10-2006 / 16:03:05 / cg"
!
dropObjects:aCollectionOfDropObjects at:aPoint
"drop aCollectionOfDropObjects here.
Delegated to my eventReceiving view"
eventReceiver dropObjects:aCollectionOfDropObjects at:aPoint
"Created: / 13-10-2006 / 16:03:12 / cg"
! !
!InputView methodsFor:'event handling'!
buttonMotion:state x:x y:y
"redefined to forward the event to my eventReceiver"
eventReceiver notNil ifTrue:[
eventReceiver buttonMotion:state x:x y:y
] ifFalse:[
super buttonMotion:state x:x y:y
]
!
buttonPress:button x:x y:y
"redefined to forward the event to my eventReceiver"
eventReceiver notNil ifTrue:[
eventReceiver buttonPress:button x:x y:y
] ifFalse:[
super buttonPress:button x:x y:y
]
!
buttonRelease:button x:x y:y
"redefined to forward the event to my eventReceiver"
eventReceiver notNil ifTrue:[
eventReceiver buttonRelease:button x:x y:y
] ifFalse:[
super buttonRelease:button x:x y:y
]
!
exposeX:x y:y width:w height:h
"dummy - will never be received"
^ self
!
focusIn
"redefined to forward the event to my eventReceiver"
eventReceiver notNil ifTrue:[
eventReceiver focusIn
]
!
focusOut
"redefined to forward the event to my eventReceiver"
eventReceiver notNil ifTrue:[
eventReceiver focusOut
]
!
keyPress:key x:x y:y
"redefined to forward the event to my eventReceiver"
eventReceiver notNil ifTrue:[
eventReceiver keyPress:key x:x y:y
] ifFalse:[
super keyPress:key x:x y:y
]
!
keyRelease:key x:x y:y
"redefined to forward the event to my eventReceiver"
eventReceiver notNil ifTrue:[
eventReceiver keyRelease:key x:x y:y
] ifFalse:[
super keyRelease:key x:x y:y
]
!
pointerEnter:state x:x y:y
"redefined to forward the event to my eventReceiver"
eventReceiver notNil ifTrue:[
eventReceiver pointerEnter:state x:x y:y
]
!
pointerLeave:state
"redefined to forward the event to my eventReceiver"
eventReceiver notNil ifTrue:[
eventReceiver pointerLeave:state
]
! !
!InputView methodsFor:'initialization'!
initialize
super initialize.
self borderWidth:0
! !
!InputView methodsFor:'redefined dummy'!
setViewBackground
"dummy - inputviews have no background"
^ self
! !
!InputView class methodsFor:'documentation'!
version
^ '$Header$'
!
version_CVS
^ '$Header$'
! !