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Resource forks are included only for .rsrc files. These are DeRezzed into their data fork. 'ckid' resources, from the Projector VCS, are not included. The Tools directory, containing mostly junk, is also excluded.
145 lines
4.1 KiB
Plaintext
145 lines
4.1 KiB
Plaintext
;
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; File: PopupCDEFMDEF.a
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;
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; Contains: code resource that postprocesses menu defproc's mSizeMsg
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; by expanding the width by a given delta amount
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;
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; Written by: Byron Han
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;
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; Copyright: © 1989-1990, 1992 by Apple Computer, Inc., all rights reserved.
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;
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; Change History (most recent first):
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;
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; <5> 11/3/92 DTY Clean up includes.
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; <4> 3/30/91 DTY ngk, #f1-ngk-002: lock down MDEF before calling through to it.
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; <3> 3/19/90 EMT Deleted spurious characters inserted in <2>.
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; <2> 3/19/90 BBH moved dsMDEFNotFound to SysErr.a
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; <1> 3/5/90 BBH first checked in to BBS
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;
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; Pre-BBS Modification History
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; 12/2/89 BBH Swap version/procID
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; Incorporate changes from code revu
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; (tighten up code, add syserr if cannot load mdef)
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; 11/28/89 BBH Created
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;
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;
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; PROCEDURE MyMDEF(msg: INTEGER; hMenu: MenuHandle;
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; VAR mRect: Rect; hitPt: Point; VAR mItem: INTEGER);
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;
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; This MDEF calls the mdef stored in the header. If the size message is
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; passed in, we increase the width by the value in extend.
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;
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; So, to do this from pascalÉ
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;
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; TYPE
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; MyHandle = ^MyPtr;
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; MyPtr = ^MyRecord;
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; MyRecord = RECORD { format of the header }
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; branch: INTEGER; { BRA.S blah blah blah }
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; flags: INTEGER;
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; rType: ResType;
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; procID: INTEGER;
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; version: INTEGER;
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;
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; defProc: Handle;
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; extend: INTEGER;
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; END;
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;
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; theHandle := MyHandle(GetResource('MDEF', $DFE0)); { get new mdef }
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; WITH theHandle^^ DO { and fill in the blanks }
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; BEGIN
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; defProc := theMenu^^.menuProc;
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; extend := info.widMax
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; END;
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;
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; theMenu^^.menuProc := Handle(theHandle); { set up new mdefproc }
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;
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; { call popupmenuselect here }
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;
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; theMenu^^.menuProc := theHandle^.defProc; { restore the mdefproc }
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;
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wholeErrors EQU 1 ; <BBH 12/2/89> we want ALL error codes
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INCLUDE 'SysErr.a' ; <BBH 12/2/89>
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INCLUDE 'ToolEqu.a'
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INCLUDE 'Traps.a'
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MDEF PROC EXPORT
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retAddr EQU 4 ; stack frame constants
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mItem EQU retAddr+4
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hitPt EQU mItem+4
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mRect EQU hitPt+4
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hMenu EQU mRect+4
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msg EQU hMenu+4
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branch BRA.S Main ; 2 bytes
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flags DC.W 0 ; flags
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rType DC.L ('MDEF')
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procID DC.W $DFE0 ; procID (owned by CDEF 63)
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version DC.W 0 ; version
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defproc DC.L 0 ; handle for the menu defproc
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extend DC.W 0 ; amount to increase horizontal by
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Main LINK A6,#-2 ; create a stack frame
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MOVE.W msg(A6),-(SP) ; repush the parameters
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MOVE.L hMenu(A6),-(SP)
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MOVE.L mRect(A6),-(SP)
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MOVE.L hitPt(A6),-(SP)
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MOVE.L mItem(A6),-(SP)
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MOVE.L defProc,A0 ; replaces two lines below <BBH 12/2/89>
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; LEA defproc,A0 ; get the defProc storage
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; MOVE.L (A0),A0 ; get the defproc
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MOVE.L A0,-(SP) ; load mdefproc <BBH 12/2/89>
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_LoadResource
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MOVE.L (A0),D1 ; check if still not loaded <BBH 12/2/89> <4, #f1-ngk-002>
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BNE.S @AOK ; all right
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MOVEQ #dsMDEFNotFound,D0 ; deep shit alert error
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_SysError
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BRA.S @byebye ; and now back to the futureÉ
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@AOK ; end addition <BBH 12/2/89>
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_HGetState ; Get state of MDEF <4, #f1-ngk-002>
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move.w d0,-2(a6) ; Save state <4, #f1-ngk-002>
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_HLock ; <4, #f1-ngk-002>
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MOVE.L D1,A0 ; dereference defproc <4, #f1-ngk-002>
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JSR (A0) ; jump through it please
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move.l defProc,a0 ; <4, #f1-ngk-002>
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move.w -2(a6),d0 ; Restore state of handle <4, #fl-ngk-002>
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_HSetState ; <4, #f1-ngk-002>
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CMP.W #mSizeMsg,msg(A6) ; replaces two lines below <BBH 12/2/89>
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; MOVE.W msg(A6),D0 ; is this a size measurement?
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; CMP #mSizeMsg,D0
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BNE.S @byebye
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MOVE.W extend,D0 ; replaces two lines below <BBH 12/2/89>
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; LEA extend,A0 ; get amount to widen the menu
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; MOVE.W (A0),D0
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MOVE.L hMenu(A6),A0 ; get the mHandle
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MOVE.L (A0),A0 ; dereference
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ADD.W D0,menuWidth(A0) ; and add amount to extend byÉ
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@byebye ; common exit code
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UNLK A6 ; destroy stack frame
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MOVE.L (SP)+,A0 ; get return address
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LEA 18(SP),SP ; replaces line below <BBH 12/2/89>
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; ADD.L #18,SP ; strip
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JMP (A0) ; and go home
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ENDPROC
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END |