Mactech Magazine, January 1996

116 Pages·1996·24.496 MB·English

by  Neil Ticktin, Xplain Corporation

For Alacill/osb Programmers & Developers
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Developers
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or Frontier?
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MacUller Review, Dec. 1992
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MATILEMJESTHE'T'ICS, [NC.
P.O. Box 298 .. lJuuidcr • CO • 80306-0298 • USA
Phone: (30::J) 440-0707 • 1·'lIx: [phone]
ApplcLinklAmericuOnline: H.ESOHCEHER .. In~rnet: resorce.rer@nol,com
Fol' Macl.'osb
I'rogra**tl"J 6 Dtf;tlO~1"J
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M A G A N E
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AI nftI."fI., m-l'41)1WWI98t 1995 hf Xpbn G:.JlInlu~ ,\I ~ ~ Tr.:tdan:uIt>; ~ 1\ ~<.'dt 'oI:ip1H' 1I.."fIW'l die ~ d Ihc ~ dl:ll Idd ~
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u1sI I1/IKOAS,1AA Ill':o J
ItJNl NO III 1996
IoIIlNll."'''' MAcTEOIM ....G AZ1NP. • JA)l/UAHY
"'" """'"
For Jlacl./!U&
PrOjrlu"",u'6 & Ot!~~lf)~n
january 1996 • ~bI/lme 12. No. I M A G A z N E
GIETTlIIIG STARTED
I'owerPlanl and ModclL... ..." Child Windows ·····•··•···· ...•...... . 7
- By Om:.! Marl.?
VIEWPOINT
CRABB'S APPLE
4
Tomorrtlw's Developers .........•..... ...•...•..•.....•...... 21
- By DOli emf")
CUTTING EDGE nCHNOLOGIES
Opening the De80x ...•..........•. .... .. ...•........•••.... 25
A prograllll1ltr's intnx.llK1ion 10 the Be operating ~y. ." lcm
- Ily f'C!ler It>lrebic alUi Siwe HOtl)U11Z, IJc I/lc. NEWSBITS
98
"")\1\'\11<. . SYMAMTEC TOP 10 ..................................... 46
- l1y l1icbae/ Ilopldlu. SYllumlt.'C
IAVATECII'·
Java Rules •.......••.........•..........•.•...........•.... 51
A JaV"J FAQ - By llilld N Coopeml(III mJd A/JtJraj{1tI Fishnl(",
DIALOG BOX
90
FROM THE FACTORY FLOOR
Java Talk ............•... ...•.•.•.•........•......•.•....•.. 55
- lIy rx,l't! Marl.?
INnRNET SOLUTIONS
Becoming a M:tclnlosh Service Provider ......••.......••.•...... 58
T:11cs from the field - fly Hmd Scbrick alld I£ric Bickfurd n lE OASSlFlEDS
96
.N i ERNET SPEaAL
I.nside UotncDoor .•........•.•..•......••........•••........ 60
Make one weh M:rvcr 3t1 like a nClwork of M:rver.. - IJy 1110" B. Oppellbeillwr
INnRNET DEVELOPMENT
eGl's: ApplcScript or Frontier? ................................ 63
Coll1pariu~ M:riptin}t environment!! for ec,1d evelopment MA.IL O)u)ER ~'TORE
- lJy Mf4S0n /JaIl! 100
BDOKREVIEW
New Applc Guide Authoring Aids .•........•.•..........•...... 67
'lhrt..'C ~ ,lI1d ac.:mmpanying softW'JI'C for Applc Guide aUlhoring
- l1yJulm N. POUieTS. 1II, guidl!\rurits, tiC
ADVl!.KTlSER •
NEW APPUO nOiNOLOGY PRODUCT I~DEX
III
Opc.u.Doc: C.unbin Yourself ........................ .... ,., •.... 71
UpdallflMa ppfications 10 work with Opcnl1oc
- By Eric So/dtm, Itppk Detx.!iopcr T(!dmiall S"fJPOrt
PROGRAMMER'S ~I I E"GE
SLklingl'lks .........•••• , .......•.. ...••• , •.••.•..... " ... T7 TIPS A nnnrrs
- lJy lJob /J«Hlslm
112
UNIFORM RESOURCE LOCATORS ....................... 89
- fly Jim Straus
II
By Scott T /Joyd, HlJilor-at-ulIge, bltpIllI'Il''''.bax.cmnl
OUi
of cin:ul:lliofl fur ~lC time 0<)\\, all of 11 :.uddcn TMON TMON abo knows some n(:w tricks. "-or example, It
ha~ rcaplx-art.'<I on Iht: .o.<.:cne. Rumors have circ:uhled ~jncc in<iic:llt'"s whidl direction of a hr.tndl you'll lake (jUSI likc
bdure WWDC \hi'i yelH Ihal TMON would m:lkc it~ M.lcsbug ha'i dune for a long lime). TMON abo handles CfM
reemergcnn::, only to Ibten to deafcninj.! ~ilen(c. Well, silent no fl'"dglllcms. TMON :llso offers filters on heap wind!)ws, .~ now
more, TMON's 1l<lckl Clkx:k OUI http://wvvw.lmon.com rOll (~m limil the blocks displ:lyt.'tJ hy attribule and/or fe..<;()IlfL'l.:
TMON lasl saw major work for System 7 comp:uihilily. info. And herc\ Illy favorite fealure - stcpping no longer docs
Since Ihen it h:l~ Iud somcthing of:l humpy ride. for cX:lmple, a M..'1\.'Cn swap unle....s it nL't.-d~ to.
\Vlldem:lr Hnrw:lI, jl.~ :!Ulilor, !lpt.'nI a lillle time flni~hing up his Nuw, IXI(k to the hL~tory les..'>I.)Il. I spent some lime 100king
Ph.D. ;1\ MIT. 1<.:01\1 Simulations, Ihe original publisher, was c:lrt'fully :II rirking up thc product ri~hl after Viacolll purcha.st..'tl
purch:l*d hy Viamlll. As yOll mij.!ht imagine, the medi:1 gi:lnl [COM. I dl."CidL"'(1 10 p:tlt.~, hut Allan fOSter of Guru, Inc. gOI
was a lillie Ics. o. ; imercslt.'{1 in a (!(-'bugger, no m:l.lln how great, IntCfl..;:.,It.-d. Aftcr working out an arr:mgcmcnt with Vi:t(:OIl1 and
Ih:111 in ICOM's mullin)('di:1 eXlxcni.~. \\:':tldcm:lr, Gunl took it on. He dkl a hu),tc chunk of work Ofl
My illLcre~1 in TMON gOc,o; hack tu 19$;. I was in gr.ltl it. adding n)W of the fcaturt.'S mentioned ahovc. just about the
schout :11 It-xa~ A&M, discowring how diffi(uh J.!l.ld school em time it was re:ldy 10 ship, MindVision appro.1ched him wilh an
txc when Iht'rc''i Ihis really mut (OmpUler cllk.'{1 Mat'intu:. . h Ihal otler he muldn't rcfu!)C, :md now TMON i.~ "hipping under Ihe
I I..·ould '~Ixcnd C\\.·ry waking hour 1\."J.rninj.! to progrJ.ffi. flipping MindVbion ~Ibcl.
through Mal"":lIine (anyonl..' rcn"k:mber thai Wl-.H rag?) I (':lmc Nnw. no mention of ddmgging would be Wlllpletc
ur
ac~ :1 hrier memion ('".ompUTopia, :1 Madme):>'h mnferena: wllhnUI menhoning twO other 'if:llw .. ns - Macsbug and Jasik.
in Au.'lin. I hoppt.'<I in Ihe (~Ir .tnu urow to Au"in. Applc· ... Jim Murphy has recently added a ~Iew of Powcrl'C
Onc h:lIlquel-h:llI-sized room h.ld bOOlhs all Ihe way Mlpport tlem .... to M:lc ... I>tIj.! (IIX) many '0 go into now). and if!>
around. proh:lhly not mOl\: Ih.111 Iw.:nly or '>0 :llIoJ-:clher. ju.'>l. deflnilt'l) wurth ch('(king 01..11. 1,\ :1V:libhle in the usu:11 ptae:clI.
in.~ide Ihe enll'".1oc': was :1 g1;lI1l, innalahle MacinlOsh. I W:I.' Ukewi ... t'. J:I~ik ha~ addl..·d ... ume intl..'Tc~ling items
havin~ :t htlM hanj:ting out with fcllow MJ.l \.,lIhusiaSlS when I (hup:/twww.JaSik.(om). N(II'i) now di..:l. ...x. 'fllhlC!> 1'f.F ('Of1lall"K.~.
notk~'<I a crowd of ,:spl:d.llly gt.'Cky type-. g:1I1"k:rinJ-: around onc and h:I.' :1 f:lIlcy Il('W rt..."iOllfCe o.,c1t.'l.1itMl dialog. '11"IC OcIx.I/-th"-T
m:H.:hinc. Som\.· extremdyallll1laled guy was drivinj.! the h:lndlc, l'owerPC-1l3Ii\ c w:llchroint" :II1U (an rC;ld in the
machine wlnle .o.<um.:how waving his :mn~ :1I"lH.lIld. 100. symhulk.· u\..'l"M.Ip,ging info f1i1..'I! erc;.lll"(1 hy N~)'"s I'EF di ...: l. ...'. t.'mbly.
I went mer :lIld :;!afl..:d :11 the screen. "\\:t]l:It un \.".1nh ha'i
he done to It!" '111e window~ were all a, wkl.: as the nKlIlitor. DEIIUGGW fOR nlH RF~'T Of Us
and Ihey only mm('<I \,(·rticlny. :uKI the contentS moved livc. 1'111 CXdtl"tl to SL'C Ihe relurn of TMON. M:It"in\(lC'Ih dl..-v\..'loper~
They didn'l '''c 'hc .'I:mdard WDEI"', dlher. ·what'~ :111 Ih;1\ dt.'lIel"\'c to have :111 the excellenl lools Iht'y can ~et, and
monu:-p:I(\.'{1 j.!lInk In Ilm'>l.': wilKlows!' Wail:1 minute! I think professional., .,huuld have them :111. By :lIlcl large, Ihey all
I'm st:Hting to undcrllt:tnd." It ~mdually GUill' illlo focu.<; - I W:II\ provide f:lr more v:IIIH": Ih:ln Iht'y cost. In addition, the
st.lring :11 :1 dehuggl'r. lInlike :1Il)'thinlot I had ever M:en. 11111J-:t.:viIY :md experl1:.e repr\.·.,ellieu by folks like J:I.~ik ,tIld
Soon :Iiter IIMI I ptln:l!;I"l.'(\ my first l'OpY of TMON, and iI'S MindVision hrin~s :1 101 more In the t.lhk Ih:tn jll<;t a pit.'{"(! of
-.crvl"<i a:. my dehugg('r of rhui("c e~'cr siocl'. II W:III :1 WC·J.I dl'hugg)n~ ,oft ware. I know of one devdolx:r y, ho boughl
favoril': :lInnnlo! 1~11JI.: f,lc:lIlk' durinR 7.0 dev\..'lupmenl. Iou. j:Jslk's 1:>t:hl.l!-lJ.!cr Ju .. t M.l he t.:oukl C":111 MeVl' wilh an u(l~l~ion;ll
One of the We:I' moments in (it:bllAAinJ-: hblory wa:. the que. ... tiun. It·., I-\real to <;(.'C :llIlhn."C dehu/-l8\.·n, undt.'fJ..,'Oing :1(1ive
moment when 1 allkt.'(t the nTht PowerPC UtlK emll):II!)r enl-lint.'l.T dc\'dopn"k:nt :md :.uppurt!
whClher TMON \\oold work with hi!> emulator I don', know
\\h....-ther 10 dCo,(ritxc Ihe luuk on his face :1!> "urpn..'i(.' or fC'J.r It FOOD FOR THOUGIIT
n!nalllly IX'lk"<i hi'! ronfkk'n\ relort uf "Ye£ !'lhon!y thcrc:lfler I In .lruWl..T 10 Ihe que.-.tion, "\X'h:lt''i fhe molL.. ... 1 <;tufT corlllllg Olll
or
tried it (Mil un one till..' very first PI)1\1II (which !:tIer 1)CClml' of Appk' l.ncl)T I Cl(pt.'<.1t.'l.i to he'ar :It)()U1 PC! madlirlCl'i (they're
the 61(0). ~LJn: enlM.ll-lh, il "orkt.'<I fine. h'~ :t mi~hly odd :.ighl f:l"), Ihe Color L:t't.'rWriwr (luok., hl{xxI, good price), or QlVR
IU ~el..· :1 lo .... -h·~'cl dt'l)lllo!~cr, nmfident as ever 111:1.1 il'!> (too rool!). 1s .,'ollhc follo ....' ln).,' an."Wf: ~Enginl'Crs.~ Ot.!ch!
di~pbyin~ Ihe d1..1ailt.'<I ,late of a GRK I..hlp when there's not
fC:llIy one inllid~ Ihe IKIX ... -Anew \(x)1 for every rroit-X1!- - G011lulI Sheri/11m
. ow TJ\lOr-. know", ahuut huth dliJb. MOSI of the Irkk.~ it'~
:tlwJly.~ knuwn now work for Ihe PowcrPC. 100 - intel':le1i\'c IlIIel"l\\.1. Mention II amJ maybe: yOllr Siock pril""l..· will climh to
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STARTED
By DlIve Mar~ MacTech Magazine Regular COllfribllling Ambor
PowerPlant and Mode1ess Child Windows
In l:ast momh's column. we huilt 3n In :I<ldilion to the sun PICT from IaSI month's column. I
llpplication th:n fcatured windows with added the moun and rt:d Clr pi('1ure.\ from my Scr:.lpHook.
two pu~h hlllwn.~ :md :1 scrolling piC(llre Our next step is toedi! PictScroll",r.rsrc using
pane. The first hutton heeped when ConstTl.lClor.
you dicked it. 'J1lC second button was
di.~ahk'd. TIlis month, we'll extend the • Double<lick on !he file PictScrolJer. rsrc.
PictSnoller progr.l!ll. We'll enable the
second bunon so Ih.11 when you dick it, C.unstmetor will open the file Pic tScr-oller. rsrc lmd
a new windnw appe:lrs, allowing you to display a window listing all the view,~ in this flIe, AI rhis point,
,~elecl :l new picture for tht.: ~nolljnJ.: we've got a single view, an LWindow with :m iJ of 1 :lnt! the
picture p. 1. nc. name Pict\'(lindow, Our first goal is to m;lkc a few changes to
7b(l1/k.~ Ollce agaill to Greg Vow Jor our existing LWindow view, Our s(.'('ond go:d is 10 creal(' a new
all his PowcrP!tm/ belp. Grej.! is a "('{II view, ,Ill LWindow with 3 nldio bullons :tnd a mini PICf fr:Jnle,
frielld to fbis CO/limn allti htlS newT bea" Lei's ~:In by L"diting the cxisling LWindow,
fOil husy to lentf a band.
• Double<lick on the I.Wim.i<JW with the id of I 01 l-Iholiid be
OJPl' l..-\Sf MONTH'S the only view lisled in Ihe master vicw lil-lt),
PtOSCROUER PROjF.Cf
Start off by making a copy of last 'n1e view editing window for the Pj(.1.1\(:rolier r.Window will
month's project folder. Rename it :lppe:U,
Pi ctSc roll@c2 or something like that.
This WlIY, if Ihin~s gel 11 linle screwy, • ])ouble-dick on the title!>ar (If the winduw cmbedd("d in Ihe
you don't have \0 start over from SU"dtch, view editing window (the title iYJr S:lys PictStroller),
Ar the very leasl, you'll be able 10 start
from where we left off last month, An info window for the Pie\.1\(;mlicr window will appear,
On(,"(' your old folder L~ tm:kt!d !>:Ifdy '111i5 next slep is i'lcredjb~)llmportal/l:
llWliy. open up the PictScrollcr2
folder, Our firs! SII!P will be to ,Idd two • Chang~ the Class ID field frolll wind 10 CpsW.
morc PICT n,''SOurcl".''> to the C.nllstTI.I(1or • Close the PictScroJler info window,
me PictScr-oller. [src,
TIle four lellcr (ca.o;c sensitive!) (.1X1c tells l'owerl'lam what
• Open up Pic'tSc[olter.rsrc type of object we are creating. 11lC code 'wind' o)fTCSponds to
using your favorite rt-sourcc editor, the dass LWindow, That's the cbss we used I:tst month. TIlL. .
• r.h:m~,'c the resource In of the existing month, we'll he :-.uhda:-.sing '-Window wilh a class named
PICT rL."iOUR.'C from 128 to 2001. CPictScrollerWindoOl. When you enter the
• Add twO more PICT rcsources (() the CPlctScroller-Window class definition (later in the column),
file and change their resource IDs 10 you'll see that we <:reale :1Il enum constant wilh the nll!I1C
2002 and 2003, class_ID ,lIld the value 'CpsW', F.:lch time Y(MI creme:1 das...
• Save your changes and quil your t.hat implements a PowcrPlant view, you'll Cllter the das,~'
resource editor, class_lD nxlc in the Class ID field in the view's info window,
II
• Oouhlc-click on the U'icture pane Ot has a p:me id of 1003),
.. _, Infa far lWlndow ~PltlUre Selettor~
.. When the p.1ne info window appears, change the PIcr
,_ Clicl. ./ Ik-•• ..,: -
~
Itesourre If) to 2001. T.,.: 1 f8I Tw ..t ....
""'~ ~ D ... '~ ...t c_
O_uo>_..-I
The first of your du't.'C PIcr resources (the one with the DPe~ ~lHt
v_ ... ........1 ·
resouru: If) 20(1) ,~hould now be displayed in the scrolling fX1°C. v_ ....... 18h:~'OH 0. .......M
T,,.:
.. Close the U'icture pane info window, V_. :1 .\
-.~
• Douhl ..: -dk:k the Dialog button (the right button). Jltlto:FIOtOr!Iio_ I
E::::J
• Click on the Enabled check box (so that it is checked). O~-.·" Yl)lJ" D: o~ h."1001
• Change the Ualue Message to 1001. I8Ic ....... I:I .... D:~ ~;I;.n. Yid ,1o
•• CCIhoa."nieg Ue Kt'h ht: uBltountt'so pna nTei tilnef oto w Pinicdtouwre, . .. .-!0O8IS.T·l .".o.. .. . 1.:1.: ......... ... vAoo_l ... ... .l. ". .._.... ,011 • R•" f"-" ... 1 ·1
u...... 0.1.:
~, vw" ... ~
The bU1\on will now ,~ay Picture ... and will no longer be H"'_.B;u:~E:=~\J II. .... c_,. ... :lo I
disahl(~(L AI,,,,"), whcn it is clicked in your :lpplication, it will H .._ s ... : IT:::] IT:::] v_. ....r e-: 10 I
broadcast:l message with a v:llue of 1001 to :my listeners. IT:::] IT:::]
$1_. ..4 $ ... ,
Now let's add a new view,
~
• Close Ule view (-.'(liting window for the Pi(.1Willdow lWindow.
Figure I. tbe ;'1/0 wi"doUi for tbe Piclllre Selector w;"duw.
• Select New Resource from tile Edit menu.
• When tilt: vicw naming dialog appears. make SlIri::
lWindow is selected from the popup menu, type Pic, Next, you'll CR':lte the four items thai make up this new
Selector (Child) in tl)(~ (!dil fieltl, and click the OK bUlton. view: Ihree rJdiu huttons and .. mini·picture rr:lllle.
A new view editing window will appe:lr. Refore we :ttJd • I)rJg ,111 LSldltldiollullon frol1l the palette window onto tht:
any il('ms to the new view, d1.1nge the view's ID 10 2000. 1'ic.1Urc SeIi..'<.1or window.
.. Douhle-chck the new rJdio 001100.
• Clo.'. > C the vieW (."(titing window. .. When the info window lIPpe:U!'i, I.:hange il'i scllings to m:udl
• SelL-ct lWindow 12B in the master view list. then sck--ct those shown in Figure 2.
Resource Info from Ihe Edillocnu. .. Cln...c the info window.
• Change the Resource 10 from IW to 2000.
.. Clu'i(.' the resource info window.
a--.,.
.. DOllblc-click on the l'i(.1 Sdl.."(_1or view in Ihe master view list. t. S--Vhrw,
0'.
A lIiew l..'C.Iiling window for IItew 2000 will appear. Olof\ O~\
OBollom
Nute: Greg Dow u:-;t.".'! ;1 numbering conwntion 111:11 I'll try 10 Sli(;k 10 To~\ [I !81 0.. ... 104
to fmlll now Oil, lie numbers all his new vkws hy thousands. 10 T",,\ -.st..,t 181 'h<1II1to
So his views have lOs likl~ 1000, 2000, 3000, elC. The items CI." IO:~
within :1 view Man at om! plus the vil..'w IlJ, l1"Iat means 111.1t Ihe
R. .... -11t1to:1"'"
i!em.~ in thi,.. new view will he numbered 2001, 2002, 2003, (.1C. If v._ ~1200~.EEJIO ~,~••; ;; _: ;;;;_:;;- ----::=~
you have groups of ill.'Ilts (like r:iI.!io hutton.,>, for ex:unplc), you """'.At'":
v._, Oa.. E:J
mighl w;mt to leave holes in your numbering scheme. For .. ifl.l T .., ,\ Tulu I):
ex:unple. you might number your radio buttons 2001, 2002, and @Off c..o\""lll.fC_:~
2003. tiK11 sun the next set of itelTL'o with 2010, 2011, 2012. As
alw:l)'s, pit.'k a -";'herne you like and Iry to be consistent.
Hgllre 2. 1be ;"/0 un,/dulV Jor the 511" radiO buIlO".
.. Double-click on the window inside the view editing
.. Dr.lg a ,'iI..'Cond L"ildRadioUullon from the p:lleul! window
window.
onto the Picture &\("Clor window.
.. when the info window appc:lrs, ch.1nge its settings to m:ltch
tlK>SC :-;hown in Figure I. .. Double-click the new r:ldiu hutton,
.. Wh(m the inro window apl)e'Jrs, change its senin)..:s to match
.. Close the info windnw.
!lto,<;c shown in Figure 3.
• Close the info window.
II
1996
PO'«'I'WPI.Att.'T ANI) MODP.I.fSS CIIIID WI~t)()'-XIS MAcT~:C:lIMAGAZINE • JAN! ... MY