TweetFollow Us on Twitter

Multi-Window DA
Volume Number:3
Issue Number:6
Column Tag:Forth Forum

Multi-Window Stick Around DA

By Jörge Langowski, MacTutor Editorial Board, Grenoble, France

“Multi-window, multi-menu, permanent desk accessory”

As mentioned in a previous column, we are going to learn some more about creating desk accessories in Forth (Mach2) this time. The simple desk accessory from V3#2 was useful to show the principle of implementing such a thing in Forth, but in real life DA writing there are a number of things that one might have to add to that example. Therefore, I am going to write this time about the implementation of a desk accessory that supports multiple windows and menus; also it will automatically reinstall itself after it has been closed involuntarily (e.g. when calling an application from the Finder).

This article is by no means comprehensive; there have been several articles in our journal on desk accessories implemented in assembler or C (V2#3,4,6), and I’m making use of some of the ideas described therein. So go back to those old issues (if you don’t have them, order them through us) for any further references.

Making a DA permanent

As you’ll certainly have noticed, there are several occasions when desk accessories will be closed automatically by the system. Whenever you start up a new application from the Finder, or quit an application to go back to the Finder, the application heap will be reinitialized and all desk accessories closed. The two other occasions on which your DA will be closed are copying a file under the Finder and ejecting the startup disk.

Sometimes one would like to have a desk accessory (like a clock) stay active permanently, unless one closes it voluntarily. I’ll tell you further down below how that can be accomplished; however notice that in such a case one would always have to check whether the close box has really been clicked when the DA’s Close routine is called. This is not so easy... since the system handles part of the mouse-down events for a DA automatically before we could even intercept them. Particularly, a mouse-down in the drag region will let the window be dragged around and a click in the Close box will generally cause the Close routine to be called.

So our first problem would be to distinguish a voluntary close from an involuntary one. One easy way to do this is to create the window without a close box and let the user click a button inside it, or select some menu option, to notify the DA that we don’t want it any more. The control - or menu - handling routine would then by itself call CloseDeskAcc but set a flag that indicates to the close routine that we really want to close the window. The close routine then had a way to distinguish voluntary from involuntary close through the flag.

Fig. 1 DA sticks around between applications

There is, however, a more elegant way to go. As was already pointed out by David Dunham in V2#6, there is a system global (undocumented in IM) called CloseOrnHook ($A88). If this location contains a non-NIL pointer, the system assumes that it is the address of a routine that should be called when the close box of a desk accessory window is clicked (instead of calling its Close routine). So all we have to do is to install a pointer to our own Close routine here every time the desk accessory window is activated and remove it when it is deactivated (so that other DAs may be closed correctly). The custom Close routine would then set the flag mentioned above and call CloseDeskAcc with the driver ID number of our DA.

Hooking into SystemTask

Now that our Close routine knows whether we really wanted to call it or not, how do we go about making the desk accessory permanent? After all, the heap will be cleaned on starting up an application, and we won’t be able to keep our DA in the application heap even if we wanted. Even if we put it into the system heap instead, it will stay there - eating up memory - but receive no more system calls, so it will be unusable.

Here a clever trick comes in that I again got to know on one of our developer’s club meetings (idea by L. de Bersuder): Since every application will call SystemTask pretty soon after having been started up, just install a patch (located in the system heap) to the SystemTask routine that reopens the desk accessory, then resets the old SystemTask trap address and thereafter removes itself from the system heap. This method, of course, will work for one such permanent DA at a time only, but provides a good starting point from which on one can do further experimentation.

It is time, now, to look at the program. Listing 1 just contains general Forth definitions that are necessary for the program (and haven’t changed much compared to the V3#2 column). Listing 3 is the RMaker input for generating the desk accessory, and Listing 2 is our example.

The code for the SystemTask intercept routine is at the beginning of the listing. The actual intercept routine does nothing but check whether there is a dialog present in front (in case our DA will set up a dialog as well, this can lead to conflicts), and if that is not the case, restores the old trap address for SystemTask, then opens the desk accessory, using a built-in name string. If you change the name of the accessory, you would have to change this string accordingly. The intercept routine is called by a glue routine which saves the registers and sets up a local A6 stack for the Forth code (our usual method); then the Forth code is entered. The Forth word write-out writes the code for the patch routine to a PROC resource (marked locked, in system heap, and with an ID of -16000, so that it belongs to the desk accessory).

Installation of the SystemTask patch is performed in the Close routine. Here the flag closeflag is checked; if it is =1, it is assumed that the close was involuntary and the patch is installed by calling install.intercept. The latter routine gets the PROC resource containing the patch code (it will be in the system heap), stores the old trap address of SystemTask in trapaddr in the patch routine and sets the new trap address to the beginning of the intercept routine. The appropriate offsets *trapaddr and *inter have been calculated beforehand at compilation time. This, by the way, is one simple method to reference Forth code from outside routines.

After the installation of the intercept routine, the system is set up to reinstall the desk accessory the next time SystemTask gets a call.

Multiple windows and the custom Close routine

To close the desk accessory for good, we make use of the CloseOrnHook system global. Both windows belonging to the DA carry the driver reference number in their WindowKind fields; so the system would normally handle close box clicks for them. To avoid this, we have to put a non-zero value into CloseOrnHook. Since a) we might want to install a different behavior for the close boxes depending which window is closed, and b) we need a custom close routine anyway to disable the automatic reinstallation, we install a pointer to the realclose routine in CloseOrnHook every time one of the DA windows is activated and reset that location to zero when it is deactivated.

The routine pointed to by CloseOrnHook receives two parameters: the dCtlEntry pointer in A1 and the window pointer in A4. The window pointer is used to determine the action (one window will beep, the other one will close the DA for good when it is closed), and dCtlEntry is needed to determine the DA’s driver reference number so that we can close it.

Multiple Menus

This is only a little more involving than having just a single menu. In order to have the system pass the menu parameters to the DA for one out of several menus, we have to install the DA’s driver reference number in the global MBarEnable ($A20, word). Then, when a window is activated, we get the handle of the current menu bar and save it away, and set up the menu bar using our own list of menus. In our case, I added two menus which will show up when the main window is clicked. When that window is deactivated, we reset the old menu bar from the stored value and set MBarEnable to zero. As long as MBarEnable is <>0, the DA will receive the menu ID in csParam and the menu item number in csParam + 2. This is taken care of in the Ctl routine. Our menu handler again simply displays the names of the items.

Other remarks

The zoom box and grow box are handled differently in this DA than they were in my first example (I briefly mentioned this in the March column). When a mouse down event is detected, we set the windowKind field of the window record to 8 (application-created window) before calling FindWindow again, this time receiving the correct part code from FindWindow. The windowKind is reset to the old value thereafter, so that close box and drag region clicks will again be handled correctly by the system.

Knowing the zoom box or grow box part code, we can then go and take the appropriate actions.

Just for fun, I added a button in the main (resizeable) window which will show or hide the other window. That window displays the time.

Happy threading and see you next month.

Listing 1: Some general definitions for  Mach2 DA
( © J. Langowski/MacTutor March 1987  )

44525652 CONSTANT “drvr
50524F43 CONSTANT “proc
434E544C CONSTANT “cntl

( *** System globals *** )

( windowrecord fields, starting with grafport )
16 CONSTANT portRect ( Grafport rectangle )

( fields of WindowPeek )
108 CONSTANT windowKind 
110 CONSTANT wVisible
111 CONSTANT wHiLited
112 CONSTANT goAwayFlag
113 CONSTANT spareFlag
130 CONSTANT dataHandle
140 CONSTANT controlList
152 CONSTANT refCon

( fields of device control entry )
 4 CONSTANT dCtlFlags
16 CONSTANT dCtlPosition
20 CONSTANT dCtlStorage
24 CONSTANT dCtlRefNum
26 CONSTANT dCtlCurTicks
30 CONSTANT dCtlWindow
34 CONSTANT dCtlDelay
38 CONSTANT dCtlMenu

( csCodes for Ctl calls )
-1 CONSTANT goodBye
64 CONSTANT accEvent
65 CONSTANT accRun
66 CONSTANT accCursor
67 CONSTANT accMenu
68 CONSTANT accUndo
70 CONSTANT accCut
71 CONSTANT accCopy
72 CONSTANT accPaste
73 CONSTANT accClear

( *** standard parameter block data structure *** )
0   CONSTANT  qLink ( pointer to next queue entry [long word] )
4   CONSTANT  qType( queue type [word] )
6   CONSTANT  ioTrap ( routine trap [word] )
8   CONSTANT  ioCmdAddr ( routine address [long word] )
12  CONSTANT  ioCompletion( completion routine [long word] )
16  CONSTANT  ioResult    ( result code returned here [word] )
18  CONSTANT  ioNamePtr ( pointer to file name [long word] )
22  CONSTANT  ioVRefNum ( volume reference number )
24  CONSTANT  ioRefNum
26  CONSTANT  csCode ( type of control call )
28  CONSTANT  csParam( control call parameters )

( *** eventrecord data structure *** )
0  CONSTANT what
2  CONSTANT message
6  CONSTANT when
10 CONSTANT where
14 CONSTANT modifiers

( *** event codes *** )
0  CONSTANT null-evt
1  CONSTANT mousedn-evt
2  CONSTANT mouseup-evt
3  CONSTANT keydn-evt
4  CONSTANT keyup-evt
5  CONSTANT autokey-evt
6  CONSTANT update-evt
7  CONSTANT disk-evt
8  CONSTANT activate-evt
10 CONSTANT network-evt
11 CONSTANT driver-evt

1 CONSTANT inMenuBar
2 CONSTANT inSysWindow
3 CONSTANT inContent
8 CONSTANT inZoomOut

CODE shl ( data #bits )
 MOVE.L (A6)+,D0
 MOVE.L (A6),D1
 LSL.L  D0,D1
 MOVE.L D1,(A6)

CODE shr ( data #bits )
 MOVE.L (A6)+,D0
 MOVE.L (A6),D1
 LSR.L  D0,D1
 MOVE.L D1,(A6)

 MOVE.L (A6)+,A0
 MOVE.L D0,(A0)

CODE off
 MOVE.L (A6)+,A0
 CLR.L  (A0)

CODE unpack
 MOVE.L (A6),D0
 CLR.L   D1
 CLR.W  D0
 MOVE.L D0,(A6)
 MOVE.L D1,-(A6)
Listing 2: The desk accessory
( A multi-window, multi-menu, permanent desk accessory  )
( J. Langowski March 87 )

only forth also assembler also mac

INCLUDE” general defs”

0000110111101010 CONSTANT DAEmask

A88 CONSTANT CloseOrnHook
1B4 CONSTANT SystemTask

( *** close intercept routine *** )

HEADER inter.start
 DC.B   10,0,’Mach 2 DA’
HEADER trapaddr 
 DC.L 0
header inter.stack 40 allot
CODE setup.inter.stack
    LEA -8(PC),A6   ( local stack grows downward from here )

: inter 
 call frontwindow windowkind + @
 2 <> IF
 [‘] trapaddr @ SystemTask call SetTrapAddress
 [‘] DAName call OpenDeskAcc drop
CODE intercept
 JSR  setup.inter.stack
 JSR  inter
 MOVEM.L (A7)+,A0-A4/A6/D0-D7
 MOVE.L trapaddr,-(A7)
HEADER inter.end
( for exportation )
‘ trapaddr ‘ inter.start - CONSTANT *trapaddr
‘ intercept  ‘ inter.start - CONSTANT *inter

( *** start of desk accessory main code *** )

header testDA ( marker for writing to DRVR resource )
 header drvrFlags  2 allot
 header drvrdelay  2 allot
 header drvrEMask  2 allot 
 header drvrMenu   2 allot
 header drvrOpen   2 allot
 header drvrPrime  2 allot
 header drvrCtl  2 allot
 header drvrStatus 2 allot 
 header drvrClose  2 allot
 header drvrname  32 allot

( *** main desk accessory routines *** )
( globals )
header temprect 8 allot
header SizeRect 8 allot   ( grow size limits )
header NewSize 4 allot  ( for SizeWindow )
header penLoc 4 allot( pen location )
header tempString 256 allot ( for numeric conversion etc. )
header ButtonHdl 4 allot  ( for storage of control handle )
header closeflag 4 allot  ( for storage of close status )
header CurMenuList 4 allot  ( menu list temporary storage )
header CloseOrn 4 allot ( CloseOrnHook temporary storage )
header window2 4 allot  ( second DA window )
header showflag 4 allot   ( state of 2nd window, 1: visible, 0: not)
header myRes0 4 allot( local res ID=0 offset )
header temp 4 allot( general purpose )

: @mouse { | mousept -- point } 
 ^ mousept call getMouse mousept ;

: cl  ( WPtr -- ) portrect + call eraserect ;
: tp  call drawstring ;

: crd [‘] penLoc call getpen
 10 ( horizontal boundary )
 [‘] penLoc w@ 12 +
 call moveto

: realclose { | dCtlEntry }
 MOVE.L A1,-(A6)
 -> dCtlEntry
 MOVE.L A4,-(A6)
 dCtlEntry dCtlWindow + @ OF
 [‘] closeflag off
 dCtlEntry dCtlRefNum + w@ call CloseDeskAcc

 [‘] window2 @ OF 5 call sysbeep ENDOF

( *** event-handling routines *** )
: >oldMBar
 [‘] CurMenuList @ call SetMenuBar
 call DrawMenuBar
 0 MBarEnable w!

: activate-handler { DAWind event-rec | menuID -- }
 [‘] myRes0 @ -> menuID
 CloseOrnHook @ [‘] CloseOrn !
 [‘] realclose CloseOrnHook !
 event-rec modifiers + w@ 1 and
 IF ( window activated )
 call frontwindow CASE DAWind OF
 menuID MBarEnable w!
 call GetMenuBar [‘] CurMenuList !
 call ClearMenuBar 
 menuID call getRMenu 0 call InsertMenu
 menuID 1+  call getRMenu 0 call InsertMenu
 call drawMenuBar
 ELSE >oldMBar ( window deactivated )
 [‘] CloseOrn @ CloseOrnHook !

: update-handler { DAWind event-rec | -- }
 [‘] penLoc call GetPen
 DAWind CALL BeginUpdate
    DAWind cl
    DAWind CALL DrawGrowIcon
    DAWind CALL DrawControls
 DAWind CALL EndUpdate
 [‘] penLoc 2+ w@ [‘] penLoc w@ 
 call moveto ( restore pen position )

: invalSize { gPort | b r -- }
 gPort 4 + w@ -> b
 gPort 6 + w@ -> r
 [‘] temprect r 16 - 0 r b call setrect
 [‘] temprect call invalrect
 [‘] temprect 0 b 16 - r b call setrect
 [‘] temprect call invalrect

: mousedn-handler 
 { DCtlEntry DAWind event-rec | 
 whereM DAPort whichCtl whichWind 
 mouseloc menuID menuRes wKind -- }
 [‘] myRes0 @ -> menuID
 DAWind portrect + -> DAPort
 event-rec where + @ dup -> whereM -> mouseloc
 ^ mouseloc call GlobalToLocal
 whereM ^ whichWind call FindWindow drop ( result code )

whichWind CASE
 DAWind OF
 DAWind windowkind + dup w@ -> wKind 
 8 swap w! ( set to application-created window )
 whereM ^ whichWind call FindWindow 
 inGrow OF
 DAPort invalSize
 DAWind whereM [‘] SizeRect call GrowWindow 
 DAWind swap unpack swap -1 call sizewindow
 DAPort invalSize

 inZoomIn OF 
    DAWind whereM 7 call TrackBox
 IF DAPort invalSize
    DAWind 7 0 call ZoomWindow THEN

 inZoomOut OF 
    DAWind whereM 8 call TrackBox
 IF DAPort invalSize
    DAWind 8 0 call ZoomWindow THEN

 mouseloc DAWind ^ whichCtl call FindControl
 whichCtl mouseLoc 0 call TrackControl
 IF [‘] window2 @ 
    1 [‘] showflag @ - [‘] showflag !
    [‘] showflag @
    IF call showwindow ELSE call hidewindow THEN  
 “ Mouse down” tp crd
 wKind DAWind windowkind + w! ( reset to DA window )


 [‘] window2 @ OF 5 call sysbeep ENDOF


: update-cursor  { DAWind | -- }
 @mouse DAWind portrect + call PtInRect
 IF call InitCursor THEN

: getDrvrID { dCtlEntry | -- num }
 dCtlEntry dCtlRefNum + w@ l_ext
 1+ negate

: ownResID ( resID drvrID )
 5 shl + -16384 +

: install.intercept { dCtlEntry | procHdl -- }
 “proc [‘] myRes0 @ call GetResource -> procHdl
 SystemTask call GetTrapAddr
 procHdl @ *trapaddr + !
 procHdl @ *inter + SystemTask call SetTrapAddr 

: Open { DCtlEntry ParamBlockRec | 
 DAWind DAWind2 Res0 oldPort -- }
 ^ oldPort call GetPort
 dCtlEntry dCtlWindow + @
 0= IF ( not open already )
 [‘] closeflag on
 [‘] showflag off
 0 dCtlEntry getDrvrID ownResID -> Res0
 Res0 [‘] myRes0 !
 “proc Res0 call GetResource
 call ReleaseResource ( remove from sysheap )
 Res0 dCtlEntry DCtlMenu + w! 
 ( menu ref has to be updated )
 Res0 0 0 call getNewWindow -> DAWind
 DAWind  dCtlEntry dCtlWindow + !  
 ( store window pointer )
 DAWind  dCtlEntry dCtlRefNum + w@  
 swap windowKind + w!
 Res0 1+ 0 0 call getNewWindow -> DAWind2
 DAWind2 [‘] window2 !
 DAWind2  dCtlEntry dCtlRefNum + w@  
 swap windowKind + w!
 DAWind  call setport
 [‘] sizerect 50 50 500 320 call setrect
 10 40   call moveto
 Res0 DAWind call GetNewControl [‘] ButtonHdl ! 
 oldPort call setPort

: Close { DCtlEntry ParamBlockRec | -- }
 dCtlEntry dCtlWindow + 
 dup @ call DisposWindow  0 swap ! 
 ( so that Open will work again )
 [‘] window2 @ call disposWindow
 [‘] closeflag @ IF DCtlEntry install.intercept THEN

: Ctl { DCtlEntry ParamBlockRec | 
 DAWind oldPort event-rec menuID menuRes -- }
 ^ oldPort call GetPort
 dCtlEntry dCtlWindow + @ dup -> DAWind call setport
 4 call textfont 9 call textsize
 DCtlEntry DCtlMenu + w@ l_ext -> menuID
 ParamBlockRec csCode + w@ l_ext 
 goodByeOF 10 call sysbeep
 dCtlEntry ParamBlockRec Close
 [‘] closeflag off ENDOF
 accEvent OF 
 ParamBlockRec csParam + @ -> event-rec
 event-rec what + w@ 
 DCtlEntry DAWind event-rec
  mousedn-handler  ENDOF

 keydn-evtOF DAWind cl
 DAWind call DrawGrowIcon
 DAWind call DrawControls
 10 40 call moveto 
 “ Key down.” tp crd

 autokey-evtOF ENDOF

 update-evt OF
  DAWind event-rec update-handler   ENDOF
 disk-evt OFENDOF

 activate-evt  OF
  DAWind event-rec activate-handler  ENDOF

 network-evtOF ENDOF
 driver-evt OF ENDOF



 accRun OF  [‘] window2 @ dup call setport cl
 4 call textfont 9 call textsize
 20 10 call moveto
 [‘] temp call readdatetime drop
 [‘] temp @ -1 [‘] tempstring 
 call IUTimeString
 [‘] tempstring tp  
 accCursorOFDAWind update-cursor ENDOF
 ParamBlockRec csParam + @ 
 unpack -> menuRes
 CASE   1 OF “ Item1-1!” tp crd ENDOF
 2 OF “ Item1-2!” tp crd ENDOF
 3 OF “ Item1-3!” tp crd ENDOF
 4 OF “ Item1-4!” tp crd ENDOF
 6 OF “ Item1-6!” tp crd ENDOF
  menuID 1+ OF
 CASE   1 OF “ Item2-1!” tp crd ENDOF
 2 OF “ Item2-2!” tp crd ENDOF
 3 OF “ Item2-3!” tp crd ENDOF
 4 OF “ Item2-4!” tp crd ENDOF
 6 OF “ Item2-6!” tp crd ENDOF
 0 call HiLiteMenu
 accPaste OFENDOF
 accClear OFENDOF
 oldport call setPort

: DrStatus { DCtlEntry ParamBlockRec | -- }

: Prime { DCtlEntry ParamBlockRec | -- }

( *** glue routines *** )
header local.stack 1000 allot

CODE setup.local.stack
    LEA -8(PC),A6   ( local stack grows downward from here )

 MOVEM.L A0-A1,-(A7)
 MOVE.L  A1,-(A6) 
 MOVE.L  A0,-(A6)
 CLR.L  D0
 MOVEM.L (A7)+,A0-A1 

CODE DAClose  
 MOVEM.L A0-A1,-(A7)
 MOVE.L  A1,-(A6) 
 MOVE.L  A0,-(A6)
 CLR.L   D0
 MOVEM.L (A7)+,A0-A1 

 MOVEM.L A0-A1,-(A7)
 MOVE.L  A1,-(A6) 
 MOVE.L  A0,-(A6)
 CLR.L   D0
 MOVEM.L (A7)+,A0-A1
 MOVE.L  JioDone,-(A7) 

CODE DAStatus 
 MOVEM.L A0-A1,-(A7)
 MOVE.L  A1,-(A6) 
 MOVE.L  A0,-(A6)
 CLR.L   D0
 MOVEM.L (A7)+,A0-A1 

 MOVEM.L A0-A1,-(A7)
 MOVE.L  A1,-(A6) 
 MOVE.L  A0,-(A6)
 CLR.L   D0
 MOVEM.L (A7)+,A0-A1 

header endDA 
( *** code written to DRVR resource ends here *** )

( *** initialization routines *** ) 

: setFlags  [‘] drvrFlags w! ;
: setDelay  [‘] drvrDelay w! ;
: setEMask  [‘] drvrEMask w! ;
: setMenuID [‘] drvrMenu  w! ;

: setOpen [‘] drvrOpen  w! ;
: setPrime[‘] drvrPrime w! ;
: setCtl[‘] drvrCtlw! ;
: setStatus [‘] drvrStatusw! ;
: setClose[‘] drvrClose w! ;

: setName { addr len | target -- }
 [‘] drvrName -> target
 len target c!
 addr target 1+
 len 31 > if  31 else len then

( write resource to file ) 
: $create-res ( str-addr - errcode )
 call CreateResFile
 call ResError L_ext

: $open-res { addr | refNum - refNum or errcode }
 addr call OpenResFile -> refNum
 call ResError L_ext
 ?dup IF ELSE refNum THEN

: close-res ( refNum - errcode )
 call CloseResFile
 call ResError L_ext

: make-res { addr len rtype ID name | -- }
 addr len call PtrToHand 
 abort” Could not create resource handle”
 rtype ID name call AddResource

: write-out { filename | refnum -- } 
 filename $create-res 
 abort” That resource file already exists”
 filename $open-res
 dup 0< abort” Open resource file failed”
 -> refnum
 refnum call UseResFile
 [‘] testDA [‘] endDA over - 
 “drvr 12 “ Mach 2 DA” make-res
 [‘] inter.start [‘] inter.end over - 
 “proc -16000 “ Mach 2 DA” make-res
 “proc -16000 call GetResource
 dup 80 call SetResAttrs  ( 64: sysheap + 16: locked )
 call ChangedResource
 refnum close-res abort” Could not close resource file”

: init-DA
( initialize offsets )
 [‘] DAOpen [‘] testDA -  setOpen 
 [‘] DAPrime   [‘] testDA -  setPrime
 [‘] DACtl     [‘] testDA -  setCtl 
 [‘] DAStatus  [‘] testDA -  setStatus
 [‘] DAClose   [‘] testDA -  setClose
( initialize driver name )
 “ Mach 2 DA” count setname
( initialize driver flags, 
 NeedLock, NeedTime, NeedGoodBye, CtlEnable )
 [ hex ] 7400 setFlags [ decimal ]
( initialize delay time )
 60 setDelay
( initialize event mask, events recommended in IM )
 DAEMask setEMask 
( initialize menu ID, local ID=0 for DRVR ID=12 )
 -16000 setMenuID ( careful! this field will NOT be changed
 by the DA Mover when ID is changed )
: make-DA
 “ Mach2 DA.rsrc” $delete drop
 “ Mach2 DA.rsrc” write-out
Listing 3: RMaker input file
*   Resources for MACH 2 desk accessory 

Mach2 DA

INCLUDE Mach2 DA.rsrc

Item 1-1
Item 1-2
Item 1-3
Item 1-4
Item 1-6

Item 2-1
Item 2-2
Item 2-3
Item 2-4
Item 2-6

Mach2 Desk Accessory
240 10 320 250
Visible GoAway

140 400 165 500
Invisible GoAway

10 10 27 50
0 0 0

Community Search:
MacTech Search:

Software Updates via MacUpdate

Latest Forum Discussions

See All

How to evolve Eevee in Pokemon GO
By now, almost everyone should be hip to how to evolve Pokemon in Pokemon GO (and if not, there's a guide for that). Just gather enough candy of the appropriate type, feed them all to the Pokemon, and evolution happens. It's a miracle that would... | Read more »
CSR Racing 2: Guide to all game modes
It might not seem like there are all that many ways to go fast in a straight line, but CSR Racing 2 begs to differ. [Read more] | Read more »
Bulb Boy (Games)
Bulb Boy 1.0 Device: iOS Universal Category: Games Price: $2.99, Version: 1.0 (iTunes) Description: Multi-award winning 2D point & click horror adventure about a boy with a glowing head. | Read more »
5 top free emoji keyboard apps
If we're not at peak emoji yet as a society, it feels like we definitely should be. The emoji concept has gone far beyond what anyone in Japan could have envisioned when the people there unleashed it on an unsuspecting world, but the West has... | Read more »
How to unlock more characters in Disney...
One of the big charms of Disney Emoji Blitz is seeing a wide variety of beloved Disney and Pixar characters transformed into smiling emojis. Even someone like the sneaky Randall from Monsters Inc., who probably never cracked a smile on film, is... | Read more »
Cubway (Games)
Cubway 1.0 Device: iOS Universal Category: Games Price: $1.99, Version: 1.0 (iTunes) Description: Cubway is a journey with an abstract story of lifecycle of rebirth, called Samsara. Guide the cube through the long way full of dangers... | Read more »
Colorcube (Games)
Colorcube 1.0 Device: iOS Universal Category: Games Price: $1.99, Version: 1.0 (iTunes) Description: Turn pieces and blend colours in this minimal yet visually stunning puzzler.Over 200 handcrafted and challenging levels. Features... | Read more »
Doodle God Griddlers (Games)
Doodle God Griddlers 1.0 Device: iOS Universal Category: Games Price: $4.99, Version: 1.0 (iTunes) Description: | Read more »
Crusader Kings: Chronicles (Games)
Crusader Kings: Chronicles 1.0 Device: iOS Universal Category: Games Price: $4.99, Version: 1.0 (iTunes) Description: Crusader Kings: Chronicles is an interactive text based game that puts you in the shoes of Guy de Rose as you make... | Read more »
Roads of Rome: New Generation (Games)
Roads of Rome: New Generation 1.0 Device: iOS Universal Category: Games Price: $5.99, Version: 1.0 (iTunes) Description: | Read more »

Price Scanner via

13-inch 1.6GHz/256GB MacBook Air on sale for...
Amazon has the 13″ 1.6GHz/256GB MacBook Air on sale for $200 off MSRP for a limited time. Shipping is free: - 13″ 1.6GHz/256GB MacBook Air (sku MMGG2LL/A): $999.99 $200 off MSRP Their price is the... Read more
Free iOS Business App notably* Helps Service...
PayStudio Inc. has introduced their new business app notably* 1.0, developed for iPhone and iPod touch. notably* was specifically developed to help service and trade professionals go digital and... Read more
27-inch iMacs on sale for $200 off MSRP
Amazon has 27″ iMacs on sale for $200 off MSRP including free shipping: - 27″ 3.3GHz iMac 5K: $2099 $200 off MSRP - 27″ 3.2GHz/1TB Fusion iMac 5K: $1799.99 $200 off MSRP - 27″ 3.2GHz/1TB HD iMac 5K... Read more
Mac Pros on sale for $200 off MSRP
B&H Photo has Mac Pros on sale for $200 off MSRP. Shipping is free, and B&H charges sales tax in NY only: - 3.7GHz 4-core Mac Pro: $2799, $200 off MSRP - 3.5GHz 6-core Mac Pro: $3799, $200... Read more
Save up to $600 with Apple refurbished Mac Pr...
Apple has Certified Refurbished Mac Pros available for up to $600 off the cost of new models. An Apple one-year warranty is included with each Mac Pro, and shipping is free. The following... Read more
Apple price trackers, updated continuously
Scan our Apple Price Trackers for the latest information on sales, bundles, and availability on systems from Apple’s authorized internet/catalog resellers. We update the trackers continuously: - 15″... Read more
13-inch 2.5GHz MacBook Pro (Apple refurbished...
Apple has Certified Refurbished 13″ 2.5GHz MacBook Pros available for $829, or $270 off the cost of new models. Apple’s one-year warranty is standard, and shipping is free: - 13″ 2.5GHz MacBook Pros... Read more
21-inch iMacs on sale for up to $120 off MSRP
B&H Photo has 21″ iMacs on sale for up to $120 off MSRP including free shipping plus NY sales tax only: - 21″ 3.1GHz iMac 4K: $1379 $120 off MSRP - 21″ 2.8GHz iMac: $1199.99 $100 off MSRP - 21″ 1... Read more
Charitybuzz Set to Auction Unique Apple-1 Com...
Offering an opportunity to own the computer that sparked a revolution, on Monday, July 25, leading online charity auction platform Charitybuzz will auction what is claimed to be the world’s most... Read more
MacBook Airs on sale for up to $150 off MSRP
Amazon has 11″ and 13″ MacBook Airs on sale for up to $150 off MSRP for a limited time. Shipping is free: - 13″ 1.6GHz/128GB MacBook Air (sku MMGF2LL/A): $899.99 $100 off MSRP - 13″ 1.6GHz/256GB... Read more

Jobs Board

*Apple* Retail - Multiple Positions, Willow...
Job Description:SalesSpecialist - Retail Customer Service and SalesTransform Apple Store visitors into loyal Apple customers. When customers enter the store, Read more
*Apple* Evangelist - JAMF Software (United S...
The Apple Evangelist is responsible for building and cultivating strategic relationships with Apple 's small and mid-market business development field teams. This Read more
*Apple* Solutions Consultant - APPLE (United...
Job Summary As an Apple Solutions Consultant, you'll be the link between our future customers and our products. You'll showcase your entrepreneurial spirit as you Read more
*Apple* Professional Learning Specialist - A...
Job Summary The Apple Professional Learning Specialist is a full-time position for one year with Apple in the Phoenix, AZ area. This position requires a high Read more
*Apple* Picker - Apple Hill Orchard (United...
Apple Hill Orchard, Co. Rte. 21,Whitehall, NY 9/7/16-10/228/16. Pick fresh market or processing apples Productivity of 60 boxes and 80 boxes processing fruit per Read more
All contents are Copyright 1984-2011 by Xplain Corporation. All rights reserved. Theme designed by Icreon.