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/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Damien Doligez, projet Para, INRIA Rocquencourt */
/* */
/* Copyright 1997 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"
static WindowPtr aboutbox = NULL;
static UserItemUPP DrawAboutUPP = NULL;
#define kItemText 2
static pascal void DrawAbout (DialogPtr d, short item)
{
#pragma unused (item)
WEHandle we = WinGetWE (d);
Assert (we != NULL);
WEUpdate (d->visRgn, we);
}
void OpenAboutBox (void)
{
OSErr err;
short itemtype;
Handle item;
Rect itemrect;
LongRect lr;
WEHandle we = NULL;
WStatusH st = NULL;
Handle txt = NULL, copr = NULL;
TextStyle ts;
if (DrawAboutUPP == NULL) DrawAboutUPP = NewUserItemProc (DrawAbout);
if (aboutbox != NULL){
SelectWindow (aboutbox);
}else{
aboutbox = GetNewDialog (kDialogAbout, NULL, (WindowPtr) -1L);
if (aboutbox == NULL){
err = memFullErr;
goto failed;
}
SetPort (aboutbox);
err = WinAllocStatus (aboutbox);
if (err != noErr) goto failed;
st = WinGetStatus (aboutbox);
Assert (st != NULL);
(*st)->kind = kWinAbout;
GetDialogItem (aboutbox, kItemText, &itemtype, &item, &itemrect);
SetDialogItem (aboutbox, kItemText, itemtype, (Handle) DrawAboutUPP, &itemrect);
WERectToLongRect (&itemrect, &lr);
err = WENew (&lr, &lr, 0, &we);
if (err != noErr) goto failed;
(*st)->we = we;
GetFNum ("\pGeneva", &ts.tsFont);
ts.tsSize = 10;
err = WESetStyle (weDoFont + weDoSize, &ts, we);
if (err != noErr) goto failed;
txt = GetResource ('TEXT', kAboutText1);
err = ResError (); if (err != noErr){ err = noErr; goto failed; }
DetachResource (txt);
copr = GetResource ('TEXT', kAboutText2);
err = ResError ();
if (err == noErr){
HLock (copr);
err = HandAndHand (copr, txt);
/* ignore errors */
HUnlock (copr);
ReleaseResource (copr);
copr = NULL;
}
err = WEUseText (txt, we);
if (err != noErr) goto failed;
err = WECalText (we);
if (err != noErr) goto failed;
WEFeatureFlag (weFReadOnly, weBitSet, we);
return;
failed:
if (copr != NULL) DisposeHandle (copr);
if (txt != NULL) DisposeHandle (txt);
if (we != NULL) WEDispose (we);
if (st != NULL) DisposeHandle ((Handle) st);
if (aboutbox != NULL) DisposeWindow (aboutbox);
aboutbox = NULL;
ErrorAlertGeneric (err);
}
}
void CloseAboutBox (WindowPtr w)
{
WStatusH st = WinGetStatus (w);
WEHandle we = WinGetWE (w);
Assert (w == aboutbox);
Assert (we != NULL);
WEDispose (we);
Assert (st != NULL);
DisposeHandle ((Handle) st);
Assert (w != NULL);
DisposeDialog (w);
aboutbox = NULL;
}
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