View subclass:#JavaView
instanceVariableNames:'eventReceiver updateRegions javaPeer'
classVariableNames:''
poolDictionaries:''
category:'Java-Views-Support'
!
!JavaView methodsFor:'accessing'!
delegate:anObject
super delegate:anObject.
eventReceiver := anObject.
"Created: 18.8.1997 / 15:22:20 / cg"
!
getNextUpdateRectangle
|r|
updateRegions size == 0 ifTrue:[^ nil].
r := updateRegions removeFirst.
updateRegions size == 0 ifTrue:[updateRegions := nil].
^ r
"Created: 18.8.1997 / 15:37:31 / cg"
!
javaPeer
"for debugging support - here is a handle to the corresponding
javaPeer"
^ javaPeer
"Created: 18.8.1997 / 22:34:35 / cg"
!
javaPeer:aJavaView
"for debugging support - here is a handle to the corresponding
javaPeer"
javaPeer := aJavaView
"Created: 18.8.1997 / 22:34:30 / cg"
! !
!JavaView methodsFor:'event handling'!
buttonMotion:state x:x y:y
"/ req'd if running as embeddedApplet ...
|ev|
"/ 'JavaView buttonMotion' printCR.
eventReceiver notNil ifTrue:[
ev := WindowEvent buttonEvent
for:self
type:#buttonMotion:x:y:
arguments:(Array with:state with:x with:y).
eventReceiver processEvent:ev.
].
"Modified: / 12.11.1998 / 16:30:50 / cg"
"Created: / 10.12.1998 / 19:35:40 / cg"
!
buttonPress:button x:x y:y
"/ req'd if running as embeddedApplet ...
|ev|
"/ 'JavaView buttonPress' printCR.
eventReceiver notNil ifTrue:[
ev := WindowEvent buttonEvent
for:self
type:#buttonPress:x:y:
arguments:(Array with:button with:x with:y).
eventReceiver processEvent:ev.
].
"Modified: / 6.2.1998 / 00:56:56 / cg"
"Created: / 10.12.1998 / 19:35:58 / cg"
!
buttonRelease:button x:x y:y
"/ req'd if running as embeddedApplet ...
|ev|
"/ 'JavaView buttonRelease' printCR.
eventReceiver notNil ifTrue:[
ev := WindowEvent buttonEvent
for:self
type:#buttonRelease:x:y:
arguments:(Array with:button with:x with:y).
eventReceiver processEvent:ev.
].
"Modified: / 6.2.1998 / 00:57:00 / cg"
"Created: / 10.12.1998 / 19:36:11 / cg"
!
exposeX:x y:y width:w height:h
|ev rect|
rect := Rectangle left:x top:y width:w height:h.
"/ 'JavaView expose' printCR.
updateRegions isNil ifTrue:[
updateRegions := OrderedCollection new.
].
updateRegions add:rect.
eventReceiver notNil ifTrue:[
ev := WindowEvent
damageFor:self
rectangle:rect.
eventReceiver processEvent:ev.
].
"/ super exposeX:x y:y width:w height:h
"Created: / 18.8.1997 / 15:00:24 / cg"
"Modified: / 19.10.1998 / 23:10:15 / cg"
!
keyPress:key x:x y:y
"/ req'd if running as embeddedApplet ...
|ev|
"/ 'JavaView keyPress' printCR.
eventReceiver notNil ifTrue:[
ev := WindowEvent keyboardEvent
for:self
type:#keyPress:x:y:
arguments:(Array with:key with:x with:y).
eventReceiver processEvent:ev.
].
"Modified: / 6.2.1998 / 00:57:08 / cg"
"Created: / 10.12.1998 / 19:36:24 / cg"
!
keyRelease:key x:x y:y
"/ req'd if running as embeddedApplet ...
|ev|
"/ 'JavaView keyRelease' printCR.
eventReceiver notNil ifTrue:[
ev := WindowEvent keyboardEvent
for:self
type:#keyRelease:x:y:
arguments:(Array with:key with:x with:y).
eventReceiver processEvent:ev.
].
"Modified: / 6.2.1998 / 00:57:16 / cg"
"Created: / 10.12.1998 / 19:36:38 / cg"
! !
!JavaView methodsFor:'initialization'!
initialize
super initialize.
self enableMotionEvents.
(superView notNil and:[superView isMemberOf:JavaEmbeddedFrameView])
ifTrue:[
self viewBackground:superView viewBackground
]
"Created: / 21.8.1997 / 16:37:45 / cg"
"Modified: / 13.1.1998 / 14:29:30 / cg"
! !
!JavaView methodsFor:'queries'!
isJavaView
^ true
"Created: / 4.12.1998 / 14:09:30 / cg"
! !
!JavaView class methodsFor:'documentation'!
version
^ '$Header: /home/jv/Projects/SmalltalkX/repositories/cvs/stx/libjava/JavaView.st,v 1.17 1998/12/10 18:37:21 cg Exp $'
! !