/* 
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 <iac.h>
#include <ioa.h>
#include <appleticons.h>
#include "ioaicon.h"


#define iconheight 32
#define iconwidth 32

#define iconvertinset 3

#define textvertinset 2


typedef struct tyversion1icondata {
	
	short versionnumber;
	
	short resnum;
	
	boolean haslabel;
	
	unsigned short align: 4; /*DW 8/25/93*/
	
	unsigned short ixlabel: 3; /*DW 8/25/93*/
	
	/*1 more bit is available here*/
	
	Handle iconsuite; /*DW 8/25/93 -- if non-nil, it overrides resnum*/
	
	char waste [2];
	} tyversion1icondata, **hdlversion1icondata;




static boolean cleanicon (hdlobject h, short height, short width, Rect *r) {

	hdlcard hc = (**h).owningcard;
	hdlicondata hdata = (hdlicondata) (**h).objectdata;
	short gridunits = (**hc).gridunits;
	
	if ((**hdata).haslabel) {
	
		width = IOAmakemultiple (width, gridunits);
		
		if (width < iconwidth)
			width = iconwidth;
		
		height += iconvertinset + iconheight;
		}
	else {
		width = iconwidth;
		
		height = iconheight;
		}
	
	(*r).right = (*r).left + width;
	
	(*r).bottom = (*r).top + height;
	
	return (true);
	} /*cleanicon*/
	

static boolean canreplicateicon (hdlobject h) {
	
	return (true); /*it can be replicated*/
	} /*canreplicateicon*/
	

static boolean geticonvalue (hdlobject h, Handle *hvalue) {
	
	return (IOAgetstringvalue (h, hvalue));
	} /*geticonvalue*/
	

static boolean debugicon (hdlobject h, bigstring errorstring) {
	
	setstringlength (errorstring, 0);
	
	return (true);
	} /*debugicon*/
	

static short icontextheight (void) {
	
	FontInfo fi;
	short lh;
	
	GetFontInfo (&fi);
	
	lh = fi.ascent + fi.descent + (2 * textvertinset);
	
	if ((lh % 2) == 1) /*round up*/
		lh++;
	
	return (lh);
	} /*icontextheight*/


static boolean geticoneditrect (hdlobject h, Rect *redit) {
	
	hdlicondata hdata = (hdlicondata) (**h).objectdata;
	Rect r;
	
	if (!(**hdata).haslabel) /*can't be edited*/
		return (false);
	
	r = (**h).objectrect;
	
	r.top = r.bottom - icontextheight ();
	
	*redit = r;
	
	return (true); /*it can be edited*/
	} /*geticoneditrect*/
	

static boolean drawiconobject (hdlobject h) {
	
	hdlcard hc = (**h).owningcard;
	hdlicondata hdata = (hdlicondata) (**h).objectdata;
	boolean haslabel = (**hdata).haslabel;
	Rect r, ricon, rcontains, rtext;
	boolean flhot = false;
	short transform = 0;
	
	r = (**h).objectrect;
	
	rcontains = r;
	
	rcontains.bottom -= icontextheight () + iconvertinset;
	
	ricon = r;
	
	ricon.bottom = ricon.top + iconheight;
	
	ricon.right = ricon.left + iconwidth;
	
	IOAcenterrect (&ricon, rcontains);
	
	if (ricon.top < r.top)
		ricon.top = r.top;
		
	if (!haslabel) /*DW 6/15/93*/
		ricon = r;
		
	if ((**hc).tracking && (**hc).trackerpressed) {
	
		transform = 0x4000; /*display it selected*/
		
		flhot = true;
		}
		
	transform += ttLabel [(**hdata).ixlabel]; /*color it according to the label*/
	
	if ((**hdata).iconsuite != nil)
		ploticonsuite (&ricon, (**hdata).align, transform, (**hdata).iconsuite);
	else
		ploticonresource (&ricon, (**hdata).align, transform, (**hdata).resnum);
	
	if (haslabel) {
	
		geticoneditrect (h, &rtext);
	
		IOAeditdrawtexthandle ((**h).objectvalue, rtext, (**h).objectjustification);
	
		if (flhot) {
		
			InsetRect (&r, 2, 2);
		
			InvertRect (&rtext);
			}
		}
		
	return (true);
	} /*drawiconobject*/
	
	
static boolean recalciconobject (hdlobject h, boolean flmajorrecalc) {
	
	return (IOArecalcobjectvalue (h));
	} /*recalciconobject*/
	
	
static boolean newicondata (hdlicondata *hdata) {

	hdlicondata h;
	
	h = (hdlicondata) NewHandleClear (longsizeof (tyicondata));
	
	if (h == nil)
		return (false);
	
	(**h).versionnumber = 2;
	
	(**h).resnum = 128;
	
	(**h).haslabel = true;
	
	(**h).align = atVerticalCenter + atHorizontalCenter;
	
	*hdata = h;
	
	return (true);
	} /*newicondata*/
	
	
static boolean initicon (tyobject *obj) {
	
	(*obj).objectautosize = true; /*it's kind of senseless to have wierd sized icons*/
	
	(*obj).objectfont = kFontIDGeneva;

	(*obj).objectfontsize = 9;

	(*obj).objectjustification = centerjustified;
	
	newicondata ((hdlicondata *) &(*obj).objectdata);
	
	return (true); /*we do want to edit it*/
	} /*initicon*/
	
	
static boolean geticonattributes (hdlobject h, AppleEvent *event) {
	
	hdlicondata hdata = (hdlicondata) (**h).objectdata;
	
	IACglobals.event = event; 
	
	if (!IACpushshortparam ((**hdata).resnum, 'rsnm'))
		return (false);
		
	if (!IACpushbooleanparam ((**hdata).haslabel, 'hlbl'))
		return (false);
		
	return (true);
	} /*geticonattributes*/
	
	
static boolean seticonattributes (hdlobject h, AppleEvent *event) {
	
	hdlicondata hdata = (hdlicondata) (**h).objectdata;	
	Boolean haslabel;
	short resnum;
	
	IACglobals.event = event; 
	
	IACglobals.nextparamoptional = true;

	if (IACgetbooleanparam ('hlbl', &haslabel)) 
		(**hdata).haslabel = haslabel; 
	
	IACglobals.nextparamoptional = true;
	
	if (IACgetshortparam ('rsnm', &resnum))
		(**hdata).resnum = resnum;
	
	return (true);
	} /*seticonattributes*/
	
	
static boolean unpackicondata (hdlobject h) {

	hdlicondata hdata = (hdlicondata) (**h).objectdata;
	
	if (hdata == nil) {
		
		newicondata (&hdata);
		
		(**h).objectdata = (Handle) hdata;
		
		return (hdata != nil);
		}
	
	if ((**hdata).versionnumber == 1) { /*convert from version 1 to version 2*/
		
		tyversion1icondata x;
		
		BlockMove (*hdata, &x, longsizeof (tyversion1icondata));
		
		DisposeHandle ((Handle) hdata);
		
		hdata = (hdlicondata) NewHandleClear (longsizeof (tyicondata));
		
		BlockMove (&x, *hdata, longsizeof (tyversion1icondata));
		
		(**hdata).versionnumber = 2;
		
		(**h).objectdata = (Handle) hdata;
		}
		
	return (true);
	} /*unpackicondata*/
	
	
static boolean clickicon (hdlobject listhead, hdlobject h, Point pt, boolean flshiftkey, boolean fl2click) {
	
	hdlicondata hdata = (hdlicondata) (**h).objectdata;
	tyiconclickcallback callback = (**hdata).iconclick;
	
	if (callback != nil)
		return ((*callback) (h, fl2click));
	
	if (fl2click)
		IOArunbuttonscript (h);
	
	return (true); /*do a minor recalc*/
	} /*clickicon*/
	

void setupicon (tyconfigrecord *);

	
void setupicon (tyconfigrecord *config) {

	IOAcopystring ("\pIcon", (*config).objectTypeName);
	
	(*config).objectTypeID = icontype;
	
	(*config).frameWhenEditing = true;
	
	(*config).canEditValue = true;
	
	(*config).toggleFlagWhenHit = false;
	
	(*config).mutuallyExclusive = false;
	
	(*config).speaksForGroup = false;
	
	(*config).isFontAware = true;
	
	(*config).hasSpecialCard = true;
	
	(*config).initObjectCallback = initicon;
	
	(*config).drawObjectCallback = drawiconobject;
	
	(*config).clickObjectCallback = clickicon;
	
	(*config).recalcObjectCallback = recalciconobject;
	
	(*config).cleanupObjectCallback = cleanicon;
	
	(*config).canReplicateObjectCallback = canreplicateicon;
	
	(*config).getObjectEditRectCallback = geticoneditrect;
	
	(*config).getValueForScriptCallback = geticonvalue;
	
	(*config).debugObjectCallback = debugicon;
	
	(*config).getAttributesCallback = geticonattributes;
	
	(*config).setAttributesCallback = seticonattributes;
		
	(*config).unpackDataCallback = unpackicondata;
	} /*setupicon*/