/* 
Copyright (c) 1991-2000 UserLand Software, Inc. 

Permission is hereby granted, free of charge, to any person obtaining a 
copy of this software and associated documentation files (the 
"Software"), to deal in the Software without restriction, including 
without limitation the rights to use, copy, modify, merge, publish, 
distribute, sublicense, and/or sell copies of the Software, and to 
permit persons to whom the Software is furnished to do so, subject to the 
following conditions: 

The above copyright notice and this permission notice shall be 
included in all copies or substantial portions of the Software. 

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 
*/ 


#include "appletinternal.h"
#include "appletops.h"
#include "appletquickdraw.h"
#include "appletmain.h"


static boolean flprintinit = false;


static void printcomputewindowinfo (WindowPtr w, hdlappwindow appwindow) {
	
	Rect r;
	
	r = (*w).portRect;
	
	(**appwindow).windowrect = r;
	
	(**appwindow).contentrect = r;
	
	zerorect (&(**appwindow).statusrect);
	
	(**appwindow).windowvertpixels = r.bottom - r.top;
	
	(**appwindow).windowhorizpixels = r.right - r.left;
	
	(**appwindow).macwindow = w;
	} /*printcomputewindowinfo*/
	

static void disposeprintinfo (void) {
	
	/*
	2/18/92 dmb: don't clear all fields; just nil the handle.  that way, a 
	hard-coded paper area can be maintained.
	*/
	
	disposehandle ((Handle) app.printinfo.printhandle);
	
	app.printinfo.printhandle = nil;
	} /*disposeprintinfo*/


static boolean checkprinterror (void) {
	
	/*
	returns false if there was a print error.
	*/
	
	short x;
	
	x = PrError ();
	
	if (x == noErr) /*no error, keep going*/
		return (true);
	
	if (x != iPrAbort) 
		alertdialog ("\pPrinting error.");
	
	return (false); /*there was an error*/
	} /*checkprinterror*/


static void copyprintinfo (void) {
	
	Rect r;
	
	r = app.printinfo.paperrect = (**(THPrint) app.printinfo.printhandle).prInfo.rPage;
	
	app.printinfo.vpagepixels = r.bottom - r.top; 
	} /*copyprintinfo*/


boolean initprint (void) {
	
	/*
	2/18/92 dmb: set paperrect to a hard-coded default, in case the 
	print manager can't be opened.  also, manage flprintinit here, instead of 
	having every caller do so.
	*/
	
	Handle h;
	
	if (flprintinit) /*already initted*/
		return (true);
	
	clearbytes (&app.printinfo, longsizeof (app.printinfo));
	
	SetRect (&app.printinfo.paperrect, 5, 6, 725, 546); /*defaults in case PrOpen fails*/
	
	if (!newclearhandle (longsizeof (TPrint), &h))
		return (false);
	
	app.printinfo.printhandle = h; /*copy into print record*/
	
	PrOpen (); /*initialize the Mac print manager*/
	
	if (!checkprinterror ())
		goto error;
	
	PrintDefault ((THPrint) app.printinfo.printhandle); /*set default print record*/
	
	PrValidate ((THPrint) app.printinfo.printhandle);
	
	PrClose (); /*shouldn't leave print resources open all the time*/
	
	if (!checkprinterror ()) 
		goto error;
	
	copyprintinfo (); /*copies fields from handle into record*/
	
	flprintinit = true;
	
	return (true);
	
	error:
	
	disposeprintinfo ();
	
	return (false);
	} /*initprint*/
	
	
boolean getprintinfo (void) {
	
	/*
	after calling this you can safely refer to fields of the 
	app.printinfo record.
	*/
	
	if (!initprint ()) 
		return (false);
	
	return (true);
	} /*getprintinfo*/


static boolean pagesetupvisit (hdlappwindow appwindow) {

	setappwindow (appwindow);
	
	(*app.pagesetupcallback) ();
	
	return (true);
	} /*pagesetupvisit*/


boolean pagesetup (void) {

	if (!initprint ()) 
		return (false);
	
	PrOpen ();
	
	if (!checkprinterror ()) 
		return (false);
	
	PrValidate ((THPrint) app.printinfo.printhandle);
	
	PrStlDialog ((THPrint) app.printinfo.printhandle);
	
	PrClose ();
	
	if (!checkprinterror ())
		return (false);
	
	copyprintinfo (); /*copies fields from handle into record*/
	
	visitappwindows (&pagesetupvisit);
	
	return (true);
	} /*pagesetup*/


boolean printappwindow (hdlappwindow appwindow, boolean fldialog) {
	
	TPPrPort printport;
	TPrStatus printstatus;
	short i;
	WindowPtr origmacwindow;
	boolean fl;
	
	if (!initprint ()) 
		return (false);
	
	setappwindow (appwindow);
	
	PrOpen ();
	
	if (!checkprinterror ())
		return (false);
	
	fl = false; /*until sucessful print, this is return value*/
	
	if (fldialog) {
		
		if (!PrJobDialog ((THPrint) app.printinfo.printhandle)) {
			
			PrClose ();
			
			return (false);
			}
			
		appserviceeventqueue (); /*update all dirtied windows*/
		
		setappwindow (appwindow); /*9/3/92 DW: app.appwindow could have changed*/
		}
	else
		PrValidate ((THPrint) app.printinfo.printhandle);
	
	watchcursor ();
	
	copyprintinfo ();
	
	(**app.appwindow).flprinting = true;
	
	(*app.openprintcallback) (); /*fills in fields of printinfo record*/
	
	pushmacport (nil); /*save current port on stack*/
	
	printport = PrOpenDoc ((THPrint) app.printinfo.printhandle, nil, nil);
	
	for (i = 1; i <= app.printinfo.ctpages; i++) { /*print one page*/
		
		if (!appserviceeventqueue ()) /*user must have selected quit or something like that*/
			PrSetError (iPrAbort);
			
		if (PrError () != noErr)
			break;
		
		PrOpenPage (printport, nil);
		
		if (PrError () == noErr) {
			
			origmacwindow = (**app.appwindow).macwindow;
			
			printcomputewindowinfo ((WindowPtr) printport, app.appwindow);
			
			SetFractEnable (true);
			
			fl = (*app.printpagecallback) (i);
			
			SetFractEnable (false);
			
			computewindowinfo (origmacwindow, app.appwindow);
			}
		
		PrClosePage (printport);
		
		if (!fl)
			break;
		} /*for*/
	
	PrCloseDoc (printport);
	
	if (fl) {
		
		THPrint hp = (THPrint) app.printinfo.printhandle;
		
		if ((PrError () == noErr) && ((**hp).prJob.bJDocLoop == bSpoolLoop))
			PrPicFile (hp, nil, nil, nil, &printstatus);
		
		fl = checkprinterror ();
		}
	
	popmacport ();
	
	(*app.closeprintcallback) ();
	
	(**app.appwindow).flprinting = false;
	
	PrClose ();
	
	return (fl);
	} /*printappwindow*/