111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
/***********************************************************************/
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/* */
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/* Objective Caml */
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/* */
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/* Damien Doligez, projet Para, INRIA Rocquencourt */
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/* */
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/* Copyright 1997 Institut National de Recherche en Informatique et */
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/* en Automatique. Distributed only by permission. */
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/* */
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/***********************************************************************/
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/* $Id$ */
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#include "main.h"
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static WindowPtr aboutbox = NULL;
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static UserItemUPP DrawAboutUPP = NULL;
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#define kItemText 2
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static pascal void DrawAbout (DialogPtr d, short item)
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{
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WEHandle we = WinGetWE (d);
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Assert (we != NULL);
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WEUpdate (d->visRgn, we);
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}
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void OpenAboutBox (void)
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{
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OSErr err;
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short itemtype;
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Handle item;
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Rect itemrect;
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LongRect lr;
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WEHandle we = NULL;
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WStatusH st = NULL;
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Handle txt = NULL;
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TextStyle ts;
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if (DrawAboutUPP == NULL) DrawAboutUPP = NewUserItemProc (DrawAbout);
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if (aboutbox != NULL){
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SelectWindow (aboutbox);
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}else{
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aboutbox = GetNewDialog (kDialogAbout, NULL, (WindowPtr) -1L);
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if (aboutbox == NULL){
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err = memFullErr;
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goto failed;
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}
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SetPort (aboutbox);
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err = WinAllocStatus (aboutbox);
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if (err != noErr) goto failed;
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st = WinGetStatus (aboutbox);
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Assert (st != NULL);
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(*st)->kind = kWinAbout;
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GetDialogItem (aboutbox, kItemText, &itemtype, &item, &itemrect);
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SetDialogItem (aboutbox, kItemText, itemtype, (Handle) DrawAboutUPP, &itemrect);
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WERectToLongRect (&itemrect, &lr);
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err = WENew (&lr, &lr, 0, &we);
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if (err != noErr) goto failed;
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(*st)->we = we;
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GetFNum ("\pGeneva", &ts.tsFont);
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ts.tsSize = 10;
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err = WESetStyle (weDoFont + weDoSize, &ts, we);
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if (err != noErr) goto failed;
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txt = GetResource ('TEXT', kAboutText);
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err = ResError (); if (err != noErr){ err = noErr; goto failed; }
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DetachResource (txt);
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err = WEUseText (txt, we);
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if (err != noErr) goto failed;
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err = WECalText (we);
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if (err != noErr) goto failed;
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WEFeatureFlag (weFReadOnly, weBitSet, we);
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return;
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failed:
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if (txt != NULL) DisposeHandle (txt);
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if (we != NULL) WEDispose (we);
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if (st != NULL) DisposeHandle ((Handle) st);
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if (aboutbox != NULL) DisposeWindow (aboutbox);
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aboutbox = NULL;
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ErrorAlertGeneric (err);
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}
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}
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void CloseAboutBox (WindowPtr w)
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{
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WStatusH st = WinGetStatus (w);
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WEHandle we = WinGetWE (w);
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Assert (w == aboutbox);
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Assert (we != NULL);
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WEDispose (we);
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Assert (st != NULL);
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DisposeHandle ((Handle) st);
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Assert (w != NULL);
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DisposeDialog (w);
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aboutbox = NULL;
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}
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