//  twayitwas.c
//
//  This file handles saving the currently selected options to the 'preferences file'
//  and reading them back in when the programme is launched.
//
//  by John D. de Boer

#include "twist.h"
#include "twindow.h"


extern TimeGlobs    Time;
extern StepGlobs    Step;
extern SortGlobs    Sort;
extern GlobalOpts   Opt;
extern MapPrefs     LatLong;
//extern PMPageFormat PageFormat;

short FILTPREFS;   //  number of filters
bool  *FiltPrefs;  //  the filters


//  Fixed-size preferences

  static void WritePrefs(void) {
setprefbool("Sort.office",Sort.office);
setprefbool("Sort.assoc",Sort.assoc);
setprefbool("Sort.group",Sort.group);
setprefbool("Opt.coord",Opt.coord);
setprefbool("Opt.unc",Opt.unc);
setprefbool("Opt.always",Opt.always);
setprefbool("Opt.alt",Opt.alt);
setprefbool("Opt.term",Opt.term);
setprefbool("Opt.region",Opt.region);
setprefbool("Opt.gpvoy",Opt.gpvoy);
setprefbool("Opt.age",Opt.age);
setprefbool("Opt.fullnam",Opt.fullnam);
setprefbool("Opt.fill",Opt.fill);
setprefbool("Opt.focus",Opt.focus);
setprefbool("Opt.onmap",Opt.onmap);
setprefbool("Opt.thin",Opt.thin);
setprefbool("Opt.ticon",Opt.ticon);
setprefbool("Opt.flag",Opt.flag);
setprefbool("Opt.dyn",Opt.dyn);
setprefbool("Opt.ticks",Opt.ticks);
setprefbool("Opt.elide",Opt.elide);
setprefbool("Opt.pink",Opt.pink);
setprefbool("Opt.round",Opt.round);
setprefbool("Opt.italic",Opt.italic);
setprefshort("Opt.trip",Opt.trip);
setprefshort("Opt.group",Opt.group);
setpreffloat("Opt.size",Opt.size);
setpreffloat("Map.theta",LatLong.theta);
setpreffloat("Map.phi",LatLong.phi);
setpreffloat("Map.mag",LatLong.mag); }

  static void ReadPrefs(void) {
getprefbool("Sort.office",&(Sort.office));
getprefbool("Sort.assoc",&(Sort.assoc));
getprefbool("Sort.group",&(Sort.group));
getprefbool("Opt.coord",&(Opt.coord));
getprefbool("Opt.unc",&(Opt.unc));
getprefbool("Opt.always",&(Opt.always));
getprefbool("Opt.alt",&(Opt.alt));
getprefbool("Opt.term",&(Opt.term));
getprefbool("Opt.region",&(Opt.region));
getprefbool("Opt.gpvoy",&(Opt.gpvoy));
getprefbool("Opt.age",&(Opt.age));
getprefbool("Opt.fullnam",&(Opt.fullnam));
getprefbool("Opt.fill",&(Opt.fill));
getprefbool("Opt.focus",&(Opt.focus));
getprefbool("Opt.onmap",&(Opt.onmap));
getprefbool("Opt.thin",&(Opt.thin));
getprefbool("Opt.ticon",&(Opt.ticon));
getprefbool("Opt.flag",&(Opt.flag));
getprefbool("Opt.dyn",&(Opt.dyn));
getprefbool("Opt.ticks",&(Opt.ticks));
getprefbool("Opt.elide",&(Opt.elide));
getprefbool("Opt.pink",&(Opt.pink));
getprefbool("Opt.round",&(Opt.round));
getprefbool("Opt.italic",&(Opt.italic));
getprefshort("Opt.trip",&(Opt.trip));
getprefshort("Opt.group",&(Opt.group));
getpreffloat("Opt.size",&(Opt.size));
LatLong.good=1;
if (!getpreffloat("Map.theta",&(LatLong.theta))) LatLong.good=0;
if (!getpreffloat("Map.phi",&(LatLong.phi))) LatLong.good=0;
if (!getpreffloat("Map.mag",&(LatLong.mag))) LatLong.good=0; }


//  Filter items

  static void WriteFilters(void) {
int i; char *S; setprefshort("Filter",FILTPREFS);
for (i=0;i<FILTPREFS;i++) { S=cat(2,"Filter.",fig(i)); setprefbool(S,FiltPrefs[i]); old(S); } }

  static void ReadFilters(void) {
int i; char *S; bool Ok;
old(FiltPrefs); Ok=getprefshort("Filter",&FILTPREFS);
if (!Ok) { FILTPREFS=0; return; }
FiltPrefs=pointer(FILTPREFS * sizeof(bool));
for (i=0;i<FILTPREFS;i++) {
  S=cat(2,"Filter.",fig(i));
  FiltPrefs[i]=0;
  getprefbool(S,FiltPrefs + i); old(S); } }


//  Entry routines

  void WritePreferences(void) {
setpreflong("Time.jd",Time.jd);
setprefshort("Step.unit",Step.unit);
setprefshort("Step.speed",Step.speed);
WritePrefs(); WriteFilters();
saveprefs(); }

  void ReadPreferences(void) {
long JD; short UNIT,SPEED;
if (getpreflong("Time.jd",&JD)) GoToJD(JD);
if (getprefshort("Step.unit",&UNIT) && getprefshort("Step.speed",&SPEED)) SetStep(UNIT,SPEED);
ReadPrefs(); ReadFilters(); }