mirror of
https://github.com/CamHenlin/MessagesForMacintosh.git
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1 line
8.6 KiB
C
1 line
8.6 KiB
C
/*------------------------------------------------------------------------------
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#
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# Apple Macintosh Developer Technical Support
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#
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# MultiFinder-Aware Simple Sample Application
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#
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# Sample
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#
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# Sample.h - Rez and C Include Source
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#
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# Copyright © 1989 Apple Computer, Inc.
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# All rights reserved.
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#
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# Versions:
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# 1.00 08/88
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# 1.01 11/88
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# 1.02 04/89 MPW 3.1
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#
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# Components:
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# Sample.p April 1, 1989
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# Sample.c April 1, 1989
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# Sample.a April 1, 1989
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# Sample.inc1.a April 1, 1989
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# SampleMisc.a April 1, 1989
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# Sample.r April 1, 1989
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# Sample.h April 1, 1989
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# [P]Sample.make April 1, 1989
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# [C]Sample.make April 1, 1989
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# [A]Sample.make April 1, 1989
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#
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# Sample is an example application that demonstrates how to
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# initialize the commonly used toolbox managers, operate
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# successfully under MultiFinder, handle desk accessories,
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# and create, grow, and zoom windows.
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#
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# It does not by any means demonstrate all the techniques
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# you need for a large application. In particular, Sample
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# does not cover exception handling, multiple windows/documents,
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# sophisticated memory management, printing, or undo. All of
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# these are vital parts of a normal full-sized application.
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#
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# This application is an example of the form of a Macintosh
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# application; it is NOT a template. It is NOT intended to be
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# used as a foundation for the next world-class, best-selling,
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# 600K application. A stick figure drawing of the human body may
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# be a good example of the form for a painting, but that does not
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# mean it should be used as the basis for the next Mona Lisa.
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#
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# We recommend that you review this program or TESample before
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# beginning a new application.
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------------------------------------------------------------------------------*/
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/* These #defines correspond to values defined in the Pascal source code.
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Sample.c and Sample.r include this file. */
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/* Determining an application's minimum size to request from MultiFinder depends
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on many things, each of which can be unique to an application's function,
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the anticipated environment, the developer's attitude of what constitutes
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reasonable functionality and performance, etc. Here is a list of some things to
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consider when determining the minimum size (and preferred size) for your
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application. The list is pretty much in order of importance, but by no means
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complete.
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1. What is the minimum size needed to give almost 100 percent assurance
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that the application won't crash because it ran out of memory? This
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includes not only things that you do have direct control over such as
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checking for NIL handles and pointers, but also things that some
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feel are not so much under their control such as QuickDraw and the
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Segment Loader.
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2. What kind of performance can a user expect from the application when
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it is running in the minimum memory configuration? Performance includes
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not only speed in handling data, but also things like how many documents
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can be opened, etc.
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3. What are the typical sizes of scraps [is a boy dog] that a user might
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wish to work with when lauching or switching to your application? If
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the amount of memory is too small, the scrap may get lost [will have
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to be shot]. This can be quite frustrating to the user.
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4. The previous items have concentrated on topics that tend to cause an
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increase in the minimum size to request from MultiFinder. On the flip
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side, however, should be the consideration of what environments the
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application may be running in. There may be a high probability that
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many users with relatively small memory configurations will want to
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avail themselves of your application. Or, many users might want to use it
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while several other, possibly related/complementary applications are
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running. If that is the case, it would be helpful to have a fairly
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small minimum size.
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So, what did we decide on Sample? First, Sample has little risk of
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running out of memory once it starts. Second, performance isn't much
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of an issue since it doesn't do much and multiple windows are not
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allowed. Third, there are no edit operations in Sample itself, so we
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just want to provide enough space for a reasonable scrap to survive
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between desk accessory launches. Lastly, Sample should intrude as little
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as possible, so the effort should be towards making it as small as possible.
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We looked at some heap dumps while the application was running under
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various partition sizes. With a size of 23K, there was approximately
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8-9K free, which is a good 'slop' factor in an application like this
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which doesn't do much, but where we'd still like the scrap to survive
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most of the time. */
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#define MAXLONG 2147483648
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#define kMinSize 88 /* application's minimum size (in K) */
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/* We made the preferred size bigger than the minimum size by 12K, so that
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there would be even more room for the scrap, FKEYs, etc. */
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#define kPrefSize 100 /* application's preferred size (in K) */
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#define rMenuBar 128 /* application's menu bar */
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#define rAboutAlert 128 /* about alert */
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#define rUserAlert 129 /* error user alert */
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#define rWindow 128 /* application's window */
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#define rStopRect 128 /* rectangle for Stop light */
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#define rGoRect 130 /* rectangle for Go light */
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#define rXRect 129 /* rectangle for X light */
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/* kSysEnvironsVersion is passed to SysEnvirons to tell it which version of the
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SysEnvRec we understand. */
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#define kSysEnvironsVersion 1
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/* kOSEvent is the event number of the suspend/resume and mouse-moved events sent
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by MultiFinder. Once we determine that an event is an osEvent, we look at the
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high byte of the message sent to determine which kind it is. To differentiate
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suspend and resume events we check the resumeMask bit. */
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#define kOSEvent app4Evt /* event used by MultiFinder */
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#define kSuspendResumeMessage 1 /* high byte of suspend/resume event message */
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#define kResumeMask 1 /* bit of message field for resume vs. suspend */
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#define kMouseMovedMessage 0xFA /* high byte of mouse-moved event message */
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#define kNoEvents 0 /* no events mask */
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/* The following constants are used to identify menus and their items. The menu IDs
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have an "m" prefix and the item numbers within each menu have an "i" prefix. */
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#define mApple 128 /* Apple menu */
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#define iAbout 1
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#define mFile 129 /* File menu */
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#define iNew 1
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#define iClose 4
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#define iQuit 12
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#define mEdit 130 /* Edit menu */
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#define iUndo 1
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#define iCut 3
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#define iCopy 4
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#define iPaste 5
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#define iClear 6
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#define mLight 131 /* Light menu */
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#define mHelp 132 /* Light menu */
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#define iQuickHelp 1
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#define iUserGuide 2
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#define iStop 1
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#define iGo 2
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/* 1.01 - kTopLeft - This is for positioning the Disk Initialization dialogs. */
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#define kDITop 0x0050
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#define kDILeft 0x0070
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/* 1.01 - kMinHeap - This is the minimum result from the following
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equation:
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ORD(GetApplLimit) - ORD(ApplicZone)
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for the application to run. It will insure that enough memory will
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be around for reasonable-sized scraps, FKEYs, etc. to exist with the
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application, and still give the application some 'breathing room'.
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To derive this number, we ran under a MultiFinder partition that was
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our requested minimum size, as given in the 'SIZE' resource. */
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#define kMinHeap 21 * 1024
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/* 1.01 - kMinSpace - This is the minimum result from PurgeSpace, when called
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at initialization time, for the application to run. This number acts
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as a double-check to insure that there really is enough memory for the
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application to run, including what has been taken up already by
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pre-loaded resources, the scrap, code, and other sundry memory blocks. */
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#define kMinSpace 8 * 1024
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/* kExtremeNeg and kExtremePos are used to set up wide open rectangles and regions. */
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#define kExtremeNeg -32768
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#define kExtremePos 32767 - 1 /* required to address an old region bug */
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/* these #defines are used to set enable/disable flags of a menu */
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#define AllItems 0b1111111111111111111111111111111 /* 31 flags */
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#define NoItems 0b0000000000000000000000000000000
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#define MenuItem1 0b0000000000000000000000000000001
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#define MenuItem2 0b0000000000000000000000000000010
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#define MenuItem3 0b0000000000000000000000000000100
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#define MenuItem4 0b0000000000000000000000000001000
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#define MenuItem5 0b0000000000000000000000000010000
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#define MenuItem6 0b0000000000000000000000000100000
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#define MenuItem7 0b0000000000000000000000001000000
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#define MenuItem8 0b0000000000000000000000010000000
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#define MenuItem9 0b0000000000000000000000100000000
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#define MenuItem10 0b0000000000000000000001000000000
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#define MenuItem11 0b0000000000000000000010000000000
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#define MenuItem12 0b0000000000000000000100000000000
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