"

 COPYRIGHT (c) 1997 by eXept Software AG

              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:libjava' }"

View subclass:#JavaView

	instanceVariableNames:'eventReceiver updateRegions javaPeer'

	classVariableNames:''

	poolDictionaries:''

	category:'Languages-Java-Views-Support'

!

!JavaView class methodsFor:'documentation'!

copyright

"

 COPYRIGHT (c) 1997 by eXept Software AG

              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

"

    [Author:]

        Claus Gittinger

"

! !

!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 sensor|

"/ 'JavaView buttonMotion' printCR.

    sensor := self sensor.    

    eventReceiver notNil ifTrue:[

        ev := WindowEvent buttonEvent

                 for:self

                 type:#buttonMotion:x:y:

                 arguments:(Array with:state with:x with:y).

        ev hasShift:sensor shiftDown

           ctrl:sensor ctrlDown

           alt:sensor altDown      

           meta:sensor metaDown

           button1:sensor leftButtonPressed

           button2:sensor middleButtonPressed 

           button3:sensor rightButtonPressed.

        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).

        ev hasShift:self sensor shiftDown

           ctrl:self sensor ctrlDown

           alt:self sensor altDown      

           meta:self sensor metaDown

           button1:self sensor leftButtonPressed

           button2:self sensor middleButtonPressed 

           button3:self sensor rightButtonPressed.

        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).

        ev hasShift:self sensor shiftDown

           ctrl:self sensor ctrlDown

           alt:self sensor altDown      

           meta:self sensor metaDown

           button1:self sensor leftButtonPressed

           button2:self sensor middleButtonPressed 

           button3:self sensor rightButtonPressed.

        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 exposeX:' , x printString , ' y:' , y printString , ' width:' , w printString , ' height:' , h printString) 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

    ^ '$Id$'

!

version_SVN

    ^ '$Id$'

! !