macint.c

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            DoAboutBox ();
            break;
        default: {
            Str255 name;
            GetMenuItemText (appleMenu, theItem, name);
            OpenDeskAcc (name);
            break;
        }
    }
}
/* this should really be in a header for MacFileUtils.c */



    extern xlload (char *, int, int);
    extern xlabort(char *);
    extern xlisp_wrapup (void);
    StandardFileReply theFile;

    SFTypeList fileTypes;
    Point pt = { 100, 100 };

    fileTypes[0] = 'TEXT';
    switch (theItem) {
        case LOAD:
        case LOAD_NOISILY:
            StopPasting ();
            StandardGetFile(NIL, 1, fileTypes, &theFile);
            if (theFile.sfGood) {
                Str255 theFullPath;

                OSErr err;

                err = OpenWD(theFile.sfFile.vRefNum, theFile.sfFile.parID, 'Nyqu', &wdRefNum);
                err = SetVol(NIL, wdRefNum);

                GetFullPath(&theFile.sfFile, theFullPath);

                if ((xlload((char *) theFullPath, 1, (theItem == LOAD_NOISILY))) == 0) {



                PrepareForInput ();
            }
            break;
        case QUIT:
            xlisp_wrapup ();
    }
}

static void DoEditMenu (int theItem) {
    if (SystemEdit (theItem-1) == false)
        switch (theItem) {
        case CUT: case COPY:
            if (ZeroScrap () == noErr) {
                TECopy (hTERec);  /* after copying, export the TE scrap */
                if (TEToScrap () != noErr) ZeroScrap ();
            }
            if (theItem == CUT) DeleteRange ();
            break;
        case PASTE: {
            long scrapOffset;
            if (pastedTextH) DisposeHandle (pastedTextH);
            pastedTextH = (CharsHandle) NewHandle (0);
            pastedLength = GetScrap (pastedTextH, 'TEXT', &scrapOffset);
            if (pastedLength < 0) pastedLength = 0;  /* error */
            else {
                SetHandleSize (pastedTextH, pastedLength + 1);
                HLock (pastedTextH);
                ((char *)(*pastedTextH))[pastedLength] = '\0';
                HUnlock (pastedTextH);
                }
            }  /* and fall through ... */
        case CLEAR:
            DeleteRange ();
            break;
        }
}

static void DoControlMenu (int theItem) {
    extern xlbreak (char *, char *);
    extern char *s_unbound;
    extern xlcontinue (void);
    extern xlcleanup (void);
    extern xlabort (char *);
    extern xltoplevel (void);

    scrflush ();
    HiliteMenu (0);
    switch (theItem) {
        case BREAK:			StopPasting ();	xlbreak ("user break", s_unbound);	PrepareForInput ();	break;
        case CONTINUE:		StopPasting ();	xlcontinue ();						PrepareForInput ();	break;
        case CLEAN_UP:		StopPasting ();	xlcleanup ();						PrepareForInput ();	break;
        case CANCEL_INPUT:	StopPasting ();	xlabort ("input canceled");			PrepareForInput ();	break;
        case TOP_LEVEL:		StopPasting ();	xltoplevel ();						PrepareForInput ();	break;
        case SHOW_GRAPHICS:
            if (gGraphicsShown) HideGrafWin ();
            else ShowGrafWin ();
            break;
        case SPLIT_SCREEN:
            MoveWindow (gCommandWin, sHorizontal, sVertical, -1);
            SizeWindow (gCommandWin, sWidth, sHeight, -1);
            InvalRect (&gCommandWin->portRect);
            SetTERect ();
            SetScrollRect ();
            ShowGrafWin ();
            MoveWindow (gGraphicsWin, gHorizontal, gVertical, -1);
            SizeWindow (gGraphicsWin, gWidth, gHeight, -1);
            break;
    }
}

void DoMenu (long choice) {
    int theMenu = HiWord (choice), theItem = LoWord (choice);

    HiliteMenu (theMenu);
    switch (theMenu) {
        case APPLE_MENU_RES:	DoAppleMenu (theItem);		break;
        case FILE_MENU_RES:		DoFileMenu (theItem);		break;
        case EDIT_MENU_RES:		DoEditMenu (theItem);		break;
        case CONTROL_MENU_RES:	DoControlMenu (theItem);	break;
    }
    HiliteMenu (0);
}

void AdjustMenus (void) {
    /* turn the stuff in the Edit menu on and off as necessary */
    long temp;
    DisableItem (editMenu, UNDO);
    if (TEXTREC->selStart != TEXTREC->selEnd) {
        EnableItem (editMenu, CUT);
        EnableItem (editMenu, COPY);
        EnableItem (editMenu, CLEAR);
    } else {
        DisableItem (editMenu, CUT);
        DisableItem (editMenu, COPY);
        DisableItem (editMenu, CLEAR);
    }
    if (GetScrap (NIL, 'TEXT', &temp) > 0) EnableItem (editMenu, PASTE);
    else DisableItem (editMenu, PASTE);
}

RgnHandle rgn = nil;

void DoContent (EventRecord *theEvent) {
    /* handle a click in a window's content region */
    ControlHandle theScrollBar;
    GrafPtr oldPort;
    int scrollValue;
    Point mouse = theEvent->where;
    int thePart;
//	RgnHandle rgn = nil;
    
    GetPort (&oldPort);
    SetPort (gCommandWin);
    GlobalToLocal (&mouse);
    
    // Get Selected text
    rgn = NewRgn();
    TEGetHiliteRgn(rgn, hTERec);

    if (thePart = FindControl (mouse, gCommandWin, &theScrollBar)) {
        switch (thePart) {
            case kControlUpButtonPart:
            case kControlDownButtonPart:
            case kControlPageUpPart:
            case kControlPageDownPart:
                scrollValue = TrackControl (theScrollBar, mouse, uppScrollProc);
                break;
            case kControlIndicatorPart:
                scrollValue = GetControlValue (theScrollBar);
                thePart = TrackControl (theScrollBar, mouse, NIL);
                if (thePart) {
                    scrollValue -= GetControlValue (theScrollBar);
                    if (scrollValue) TEScroll (0, scrollValue * LINEHEIGHT, hTERec);
                }
                break;
        }
    } else if (PtInRgn(mouse, rgn)) {
        if (!DragText(theEvent)) {
            TEClick(mouse, false, hTERec);
        }
    } else if (PtInRect (mouse, &(TEXTREC->viewRect))) {
        TEClick (mouse, (theEvent->modifiers & shiftKey) != 0, hTERec);
    }
    SetPort (oldPort);
    DisposeRgn(rgn);
}


void DoEvent (void) {
    EventRecord theEvent;
    
    if ((flashTime) && (--flashTime == 0)) SetSelection (cursorBeforeFlash, cursorBeforeFlash);
    if (outputBufferLength) FlushOutput ();
    if (FrontWindow () == gCommandWin) TEIdle (hTERec);
    recentChar = '\0';
    
    if (WaitNextEvent (everyEvent, &theEvent, 0, gMouseRgn)) {

        AdjustCursor (theEvent.where, gMouseRgn);	
    
        switch (theEvent.what) {
            case kHighLevelEvent:
                AEProcessAppleEvent(&theEvent);			
                break;
            case mouseDown:
                DoMouseDown (&theEvent);
                break;
            case keyDown:
            case autoKey:
                DoKeyPress (&theEvent);
                break;
            case activateEvt: {
                WindowPtr whichWindow = (WindowPtr)theEvent.message;
                SetPort (whichWindow);
                if (whichWindow == gCommandWin) {
                    if ((theEvent.modifiers & activeFlag) == 1) {
                        ActivateCmdWindow();
                    } else {
                        DeactivateCmdWindow();
                    }
                }
                break;
            }
            case updateEvt: {
                if ((WindowPtr)theEvent.message == gCommandWin) UpdateCmdWindow ();
                if ((WindowPtr)theEvent.message == gGraphicsWin) UpdateGraphWindow ();
                break;
            }
            case osEvt:
                if (((theEvent.message >> 24) & 0xff) == suspendResumeMessage) {
                    if (theEvent.message & resumeFlag) {
                        gInBackground = false;
                        if (FrontWindow () == gCommandWin) {
                            ActivateCmdWindow();
                        }
                    } else {
                        gInBackground = true;
                        if (FrontWindow () == gCommandWin) {
                            SetPort (gCommandWin);
                            DeactivateCmdWindow();
                        }
                    }
                }
                break;
    
        }
    }
    AdjustCursor (theEvent.where, gMouseRgn);
}

void MacWrapUp (void) {
    /* take everything down in preparation for quitting */
    CleanupCmdWindow();
    CloseWindow (gGraphicsWin);
}