Developer CD Series 1991 July: Desperately Seeking Seven

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/ Developer CD Series 1991 …esperately Seeking Seven / Desperately Seeking Seven.2mg / Dev.CD.8 / Essentials / Tools / DTS.Samples / SC24Teach / Teach.asm / UWindow.asm < prev

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Assembly Source File | 1990-05-25 | 27.6 KB | 1,024 lines | [04] ASCII Text (0x0000)

*********************************************************************** * * teach uwindow.aii -- Version 3.0 * * Copyright (c) * Apple Computer, Inc. 1986-1990 * All Rights Reserved. * * Developer Technical Support Apple II Sample Code * * This file contains the code which implements * windows in the Teach program. * *********************************************************************** case on copy 2/ainclude/e16.types copy 2/ainclude/e16.gsos copy 2/ainclude/e16.resources copy 2/ainclude/e16.stdfile copy 2/ainclude/e16.textedit copy teach.equ mcopy macros/uwindow.macros longi on longa on *********************************************************************** * * smartGetWTitle * * This function returns a pointer to the window title pascal string. * This is a little more complicated than it used to be, given that * NewWindow2 clones the string for the window into an unlocked handle. * GetWTitle returns a handle with the hi-bit set (to distinguish it * from a reguler pointer). If the hi-bit is set, then we want to * dereference the handle to a pointer, and return that instead. * smartGetWTitle start DefineStack saveDPage word returnAddr word wptr long ;Parameters. wtitle long ;Result. ****************** phd ;Save directPage register. tsc ;Set directPage register. tcd pha ;Result space. pha pei wptr+2 ;wtitle is result space pei wptr _GetWTitle pla sta wtitle pla sta wtitle+2 bpl exit ldy #2 lda [wtitle],y tax lda [wtitle] sta wtitle stx wtitle+2 exit pld ;Restore directPage register. plx ;Save return address. pla ;Remove passed parameters. pla phx ;Restore return address and return. rts end *********************************************************************** * * drawThisWindow -- called from the tools (via JSL) * * This routine draws the contents of all the windows. * drawThisWindow start pha pha _GetPort _DrawControls rtl end *********************************************************************** * * doCloseTop * * This routine closes the topmost window. * doCloseTop start pha ;GetWRefCon result space pha pha ;FrontWindow result space pha _FrontWindow _GetWRefCon lda 1,s ora 3,s beq null ;Stuff on stack will be * ;result space for FrontWindow _DisposeHandle ;Get rid of the pathname handle pha ;that we keep in the refCon. pha ;Result space for FrontWindow null _FrontWindow _CloseWindow rts end *********************************************************************** * * PutFileIntoWindow * * This routine opens the specified file, reads its contents in and sets * the text of the text edit control of the top window to that text. * putFileIntoWindow start DefineStack theHndl long ;Must be at 1,s c1ptr long saveDPage word returnAddr word c1hndl long ****************** phd ;Save directPage register. pha ;Make space for locals. pha pha pha tsc ;Set directPage register. tcd pei c1hndl+2 ;Lock down the passed handle. pei c1hndl _HLock ldy #2 ;Dereference the handle and skip lda [c1hndl],y ;the C1Output buffer size word. tax lda [c1hndl] clc adc #2 bcc aa inx aa sta c1ptr stx c1ptr+2 sta obpathname ;Set up the openBlock stx obpathname+2 lda #0 sta obrequestAccess sta obresourceNumber sta oboptionList sta oboptionList+2 _OpenGS openBlock ;Open the file. bcc ab jsr doErrorWindow brl unlockExit ab lda obrefNum ;Set up closeBlock. sta clbrefNum sta rbrefNum PushLong obeof PushWord userID lda #0 pha ;0 pha ;NULL pha _NewHandle ;Result in theHndl bcc ac lda #$8E ;Not enough ram -- close some windows. jsr doErrorWindow brl closeUnlockExit ac pei theHndl+2 pei theHndl _HLock ldy #2 ;Dereference handle to get lda [theHndl],y ;the readBlock data buffer. sta rbdataBuffer+2 lda [theHndl] sta rbdataBuffer lda obeof ;How big the open eof is tells ldx obeof+2 ;us how many bytes to request sta rbrequestCount ;for read. stx rbrequestCount+2 _ReadGS readBlock bcc ad jsr doErrorWindow brl disposeCloseUnlockExit ad _CloseGS closeBlock bcc ae jsr doErrorWindow brl disposeUnlockExit ae pea refIsHandle*8+teDataIsTextBlock pei theHndl+2 pei theHndl lda #0 pha ;NULL pha pha ;0 pha ;NULL pha pha ;GetCtlHandleFromID result space pha pha ;FrontWindow result space pha _FrontWindow PushLong #MainWindowID _GetCtlHandleFromID _TESetText disposeUnlockExit anop pei theHndl+2 ;All done with this handle. pei theHndl ;Dispose it, finish up and leave. _DisposeHandle bra unlockExit disposeCloseUnlockExit anop pei theHndl+2 ;All done with this handle. pei theHndl _DisposeHandle closeUnlockExit _CloseGS closeBlock ;Close the file. unlockExit pei c1hndl+2 ;Unlock handle passed to us. pei c1hndl _HUnlock pla ;Remove local variable space. pla pla pla pld ;Restore directPage register. plx ;Save return address. pla ;Remove passed parameters. pla phx ;Restore return address and return. rts doErrorWindow pha ldx #0 phx phx phx pha _ErrorWindow pla rts openBlock ANOP obpCount dc i2'15' obrefNum dc i2'0' obpathname dc i4'0' obrequestAccess dc i2'0' obresourceNumber dc i2'0' obaccess dc i2'0' obfileType dc i2'0' obauxType dc i4'0' obstorageType dc i2'0' obcreateDateTime ds 8 obmodDateTime ds 8 oboptionList dc i4'0' obeof dc i4'0' obblocksUsed dc i4'0' obresourceEOF dc i4'0' obresourceBlocks dc i4'0' closeBlock ANOP clbpCount dc i2'1' clbrefNum dc i2'0' readBlock ANOP rbpCount dc i2'4' rbrefNum dc i2'0' rbdataBuffer dc i4'0' rbrequestCount dc i4'0' rbtransferCount dc i4'0' end *********************************************************************** * * putWindowIntoFile * * This routine opens the specified file, writes the window contents. * putWindowIntoFile start DefineStack theHndl long ;Must be at 1,s c1ptr long totalSize long saveDPage word returnAddr word c1hndl long ****************** phd ;Save directPage register. pha ;Make space for locals. pha pha pha pha pha tsc ;Set directPage register. tcd pei c1hndl+2 ;Lock down the passed handle. pei c1hndl _HLock ldy #2 ;Dereference the handle and skip lda [c1hndl],y ;the C1Output buffer size word. tax lda [c1hndl] clc adc #2 bcc aa inx aa sta c1ptr stx c1ptr+2 sta dbname ;Destroy block pathname. stx dbname+2 sta cbpathname ;Create block pathname. stx cbpathname+2 sta obpathname ;Open block pathname. stx obpathname+2 _DestroyGS destroyBlock ;Destroy the file always. bcc ab cmp #fileNotFound ;It may have not been there. beq ab jsr doErrorWindow brl unlockExit ab lda #$C3 sta cbaccess lda #$04 sta cbfileType lda #0 sta cbauxType sta cbauxType+2 _CreateGS createBlock bcc ac jsr doErrorWindow brl unlockExit ac lda #0 sta obrequestAccess sta obresourceNumber sta oboptionList sta oboptionList+2 _OpenGS openBlock bcc ad pha ;Keep error code. _DestroyGS destroyBlock pla jsr doErrorWindow brl unlockExit ad lda obrefNum sta clbrefNum sta wbrefNum PushLong #1 lda userID pha lda #0 pha pha pha _NewHandle ;Result in theHndl bcc ae pha ;Keep error code. _CloseGS closeBlock _DestroyGS destroyBlock pla jsr doErrorWindow brl unlockExit ae pha ;Result space pha pea refIsHandle*8+teDataIsTextBlock pei theHndl+2 pei theHndl lda #0 pha ;NULL pha pha ;0 pha ;NULL pha pha ;Result space for GetCtlHandleFromID pha pha ;Result space for FrontWindow pha _FrontWindow PushLong #MainWindowID _GetCtlHandleFromID _TEGetText plx stx totalSize plx stx totalSize+2 bcc af pha _CloseGS closeBlock _DestroyGS destroyBlock pla jsr doErrorWindow brl disposeUnlockExit af pei theHndl+2 pei theHndl _HLock ldy #2 lda [theHndl],y sta wbdataBuffer+2 lda [theHndl] sta wbdataBuffer lda totalSize ldx totalSize+2 sta wbrequestCount stx wbrequestCount+2 _WriteGS writeBlock bcc ag pha _CloseGS closeBlock _DestroyGS destroyBlock pla jsr doErrorWindow brl disposeUnlockExit ag _CloseGS closeBlock bcc disposeUnlockExit pha _DestroyGS destroyBlock pla jsr doErrorWindow disposeUnlockExit anop pei theHndl+2 pei theHndl _DisposeHandle unlockExit pei c1hndl+2 pei c1hndl _HUnlock pla ;Remove local variable space. pla pla pla pla pla pld ;Restore directPage register. plx ;Save return address. pla ;Remove passed parameters. pla phx ;Restore return address and return. rts doErrorWindow pha ldx #0 phx phx phx pha _ErrorWindow pla rts destroyBlock ANOP dbpCount dc i2'1' dbname dc i4'0' createBlock ANOP cbpCount dc i2'4' cbpathname dc i4'0' cbaccess dc i2'0' cbfileType dc i2'0' cbauxType dc i4'0' openBlock ANOP obpCount dc i2'15' obrefNum dc i2'0' obpathname dc i4'0' obrequestAccess dc i2'0' obresourceNumber dc i2'0' obaccess dc i2'0' obfileType dc i2'0' obauxType dc i4'0' obstorageType dc i2'0' obcreateDateTime ds 8 obmodDateTime ds 8 oboptionList dc i4'0' obeof dc i4'0' obblocksUsed dc i4'0' obresourceEOF dc i4'0' obresourceBlocks dc i4'0' closeBlock ANOP clbpCount dc i2'1' clbrefNum dc i2'0' writeBlock ANOP wbpCount dc i2'4' wbrefNum dc i2'0' wbdataBuffer dc i4'0' wbrequestCount dc i4'0' wbtransferCount dc i4'0' end *********************************************************************** * * placeAndShowWindow * * This routine moves the specified window based on stagger count * and shows it. * placeAndShowWindow start DefineStack saveDPage word returnAddr word wptr long ****************** phd ;Save directPage register. tsc ;Set directPage register. tcd lda staggerCount asl a asl a asl a adc #8 pha adc #20 pha pei wptr+2 pei wptr _MoveWindow lda staggerCount inc a and #$07 sta staggerCount pei wptr+2 pei wptr _ShowWindow pei wptr+2 pei wptr _SelectWindow pld ;Restore directPage register. plx ;Save return address. pla ;Remove passed parameters. pla phx ;Restore return address and return. rts end *********************************************************************** * * doOpenWindow * * This routine either asks the user what file to open and opens it. * doOpenWindow start DefineStack wptr long ;Must be at 1,s myReply block oReplyRec2size pstr long stkFrameSize EndLocals saveDPage word returnAddr word ****************** phd ;Save directPage register. tsc sec sbc #stkFrameSize ;Make space for locals. tcs tcd ;Set directPage register. pea 1 _SFAllCaps lda #refIsNewHandle sta myReply+onameRefDesc sta myReply+opathRefDesc tsc ;Calculate pointer to myReply. clc adc #myReply tax pea 10 pea 35 pea refIsPointer PushLong #promptStr lda #0 pha ;NULL pha pha ;NULL pha pha ;Pointer to myReply phx _SFGetFile2 lda myReply+ogood beq exit pei myReply+onameRef+2 pei myReply+onameRef _HLock ldy #2 lda [myReply+onameRef],y tax lda [myReply+onameRef] sta pstr stx pstr+2 shortm lda [pstr],y ;2 in yreg. iny sta [pstr],y longm tya ;3 in yreg. clc adc pstr bcc aa inx aa phx ;Pointer to window title. pha pei myReply+opathRef+2 pei myReply+opathRef PushLong #drawThisWindow lda #0 pha pha pea refIsResource PushLong #MainWindowID pea rWindParam1 _NewWindow2 pei myReply+onameRef+2 pei myReply+onameRef _DisposeHandle pei wptr+2 pei wptr jsr placeAndShowWindow pei myReply+opathRef+2 pei myReply+opathRef jsr putFileIntoWindow exit tsc ;Remove local space. clc adc #stkFrameSize tcs pld ;Restore directPage register. rts promptStr str 'Pick a file, any file.' end *********************************************************************** * * doSaveAs * * This routine either saves the file in the place indicated by the user. * doSaveAs start DefineStack myReply block oReplyRec2size wtitle long pstr long wtptr long wthndl long wtlen word refCon long stkFrameSize EndLocals saveDPage word returnAddr word ****************** phd ;Save directPage register. tsc sec sbc #stkFrameSize ;Make space for locals. tcs tcd ;Set directPage register. pea 1 _SFAllCaps lda #refIsNewHandle sta myReply+onameRefDesc sta myReply+opathRefDesc pha ;Point to the window title. pha pha pha _FrontWindow jsr smartGetWTitle pla sta wtitle pla sta wtitle+2 lda [wtitle] ;How long is the title? and #$FF sta wtlen pha ;Create a handle for the title pha ;that will be big enough for pea 0 ;the text and a word length. lda wtlen clc adc #2 pha lda userID pha lda #0 pha pha pha _NewHandle pla sta wthndl pla sta wthndl+2 bcc aa aa ldy #2 ;Point to this handle. lda [wthndl],y sta wtptr+2 lda [wthndl] sta wtptr pha ;Re-dereference the window pha ;title pointer, since it may pha ;be stored in a handle, and the pha ;handle may have moved. _FrontWindow jsr smartGetWTitle pla sta wtitle pla sta wtitle+2 lda wtitle ;Point to the title, skipping the ldx wtitle+2 ;length byte. inc a bne ab inx ab phx pha lda wtptr ;Point to the handle created to ldx wtptr+2 ;hold the title, skipping the clc ;length word. adc #2 bcc ac inx ac phx pha pea 0 ;Push the number of bytes to copy. pei wtlen _BlockMove lda wtlen ;Store the length word in the sta [wtptr] ;beginning of the handle. pei wthndl+2 ;Lock the handle, since SFPutFile2 pei wthndl ;may move things around. _HLock tsc ;Calculate pointer to myReply. clc adc #myReply tax pea 180 pea 35 pea refIsPointer PushLong #promptPtr pea refIsPointer pei wtptr+2 pei wtptr pea 0 ;Pointer to myReply. phx _SFPutFile2 pei wthndl+2 ;We are done with the window title. pei wthndl _DisposeHandle lda myReply+ogood ;See if the user clicked cancel. beq exit pha ;We may have a handle in the refCon. pha ;If we do, then we need to dispose it. pha pha _FrontWindow _GetWRefCon pla sta refCon pla sta refCon+2 ora refCon beq ad pei refCon+2 pei refCon _DisposeHandle ad pei myReply+opathRef+2 ;This is the new handle for pei myReply+opathRef ;the refCon. pha pha _FrontWindow _SetWRefCon ldy #2 ;We have a handle that is a lda [myReply+onameRef],y ;C1Output string. We want this tax ;to be a pascal string. This lda [myReply+onameRef] ;is accomplished by moving byte sta pstr ;2 to byte 3, and then pointing stx pstr+2 ;3 bytes into the handle. shortm lda [pstr],y ;2 in yreg. iny sta [pstr],y longm tya clc adc pstr ;3 in yreg. bcc ae inx ae phx pha pha pha _FrontWindow _SetWTitle pei myReply+onameRef+2 ;We are done with the name now. pei myReply+onameRef _DisposeHandle pei myReply+opathRef+2 pei myReply+opathRef jsr putWindowIntoFile exit tsc ;Remove local space. clc adc #stkFrameSize tcs pld ;Restore directPage register. rts promptPtr str 'Give it a name, any name.' end *********************************************************************** * * doSave * * This routine either saves the file (unless it is new then it does a save * as). * doSave start DefineStack wptr long ;Must be at 1,s refCon long saveDPage word returnAddr word ****************** phd ;Save directPage register. pha ;Make space for locals. pha pha pha tsc ;Set directPage register. tcd _FrontWindow ;Get the refCon. pha pha pei wptr+2 pei wptr _GetWRefCon pla sta refCon pla sta refCon+2 ora refCon ;If the refCon is not NULL, then bne aa ;we already have a name for this file. jsr doSaveAs ;We don't have a name yet, so do bra exit ;a save as. aa pei refCon+2 ;We have a name, so go for it. pei refCon jsr putWindowIntoFile exit plx pla ;Remove local space pla pla pla pld ;Restore directPage register. phx rts end *********************************************************************** * * NewWindow * * This routine opens a new untitled window. * doNewWindow start pha ;Result space pha PushLong #promptPtr ;Window title ldx #0 phx ;NULL phx PushLong #drawThisWindow phx ;NULL phx pea refIsResource PushLong #MainWindowID pea rWindParam1 _NewWindow2 jsr placeAndShowWindow ;Uses above result space rts promptPtr str 'Untitled' end *********************************************************************** * * SetUpWindows * * Sets up WindowList record for use through out the program. * setupWindows start jsr doNewWindow rts end END