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/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Damien Doligez, projet Para, INRIA Rocquencourt */
/* */
/* Copyright 1998 Institut National de Recherche en Informatique et */
/* en Automatique. All rights reserved. This file is distributed */
/* under the terms of the GNU Library General Public License, with */
/* the special exception on linking described in file ../LICENSE. */
/* */
/***********************************************************************/
/* $Id$ */
#include "main.h"
#define kPrefResource 1000
struct prefs prefs;
static struct prefs defpref;
static void InitPrefs (void)
{
TextStyle defstyle;
defpref.version = PREF_VERSION;
defpref.asksavetop = 0;
WinToplevelStdState (&defpref.toppos);
WinGraphicsStdState (&defpref.graphpos);
WinClipboardStdState (&defpref.clippos);
GetFNum ("\pmonaco", &defstyle.tsFont);
defstyle.tsSize = 9;
defstyle.tsFace = 0;
defstyle.tsColor.red = 0;
defstyle.tsColor.green = 0;
defstyle.tsColor.blue = 0;
defpref.text = defpref.unread = defpref.input = defpref.output
= defpref.errors = defstyle;
defpref.unread.tsColor.green = 35000;
defpref.input.tsColor.blue = 65535;
defpref.errors.tsColor.red = 50000;
defpref.errors.tsFace = underline;
}
void ReadPrefs (void)
{
short err;
short vrefnum;
long dirid;
short refnum = -1;
Handle prefsH = NULL;
Str255 prefsfilename;
FSSpec spec;
InitPrefs ();
GetIndString (prefsfilename, kMiscStrings, kPrefsFileNameIdx);
err = FindFolder (kOnSystemDisk, kPreferencesFolderType, kCreateFolder,
&vrefnum, &dirid);
if (err != noErr) goto cantread;
err = FSMakeFSSpec (vrefnum, dirid, prefsfilename, &spec);
if (err != noErr) goto cantread;
refnum = FSpOpenResFile (&spec, fsRdPerm);
if (refnum == -1) goto cantread;
prefsH = Get1Resource ('Oprf', kPrefResource);
if (prefsH == NULL) goto cantread;
if (GetHandleSize (prefsH) != sizeof (prefs)) goto cantread;
if (**(long **)prefsH != PREF_VERSION) goto cantread;
memmove (&prefs, *prefsH, sizeof (prefs));
CloseResFile (refnum);
return;
cantread:
if (refnum != -1) CloseResFile (refnum);
prefs = defpref;
}
void WritePrefs (void)
{
short err;
short vrefnum;
long dirid;
short refnum = -1;
Handle prefsH = NULL;
Str255 prefsfilename;
FSSpec spec;
Handle h;
GetIndString (prefsfilename, kMiscStrings, kPrefsFileNameIdx);
err = FindFolder (kOnSystemDisk, kPreferencesFolderType, kCreateFolder,
&vrefnum, &dirid);
if (err != noErr) goto cantwrite;
err = FSMakeFSSpec (vrefnum, dirid, prefsfilename, &spec);
if (err != noErr && err != fnfErr) goto cantwrite;
if (err == fnfErr){
if (!memcmp (&prefs, &defpref, sizeof (prefs))) return;
else FSpCreateResFile (&spec, 0, 0, smSystemScript);
}
refnum = FSpOpenResFile (&spec, fsRdWrPerm);
if (refnum == -1) goto cantwrite;
prefsH = Get1Resource ('Oprf', kPrefResource);
if (prefsH == NULL){
err = AllocHandle (sizeof (prefs), (Handle *) &prefsH);
if (err != noErr) goto cantwrite;
AddResource (prefsH, 'Oprf', kPrefResource, "\pO'Caml prefs");
}
SetHandleSize (prefsH, sizeof (prefs));
if (MemError () != noErr) goto cantwrite;
memmove (*prefsH, &prefs, sizeof (prefs));
ChangedResource (prefsH);
h = GetResource ('STR ', kPrefsDescriptionStr);
if (h != NULL){
DetachResource (h);
AddResource (h, 'STR ', kApplicationMissing, NULL);
ChangedResource (h);
}
CloseResFile (refnum);
return;
cantwrite:
if (refnum != -1) CloseResFile (refnum);
}
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