1 files changed, 110 insertions, 0 deletions
diff --git a/maccaml/aboutbox.c b/maccaml/aboutbox.c
new file mode 100644
index 000000000..5aedcfe01
--- /dev/null
+++ b/maccaml/aboutbox.c
@@ -0,0 +1,110 @@
+/***********************************************************************/
+/*                                                                     */
+/*                           Objective Caml                            */
+/*                                                                     */
+/*             Damien Doligez, projet Para, INRIA Rocquencourt         */
+/*                                                                     */
+/*  Copyright 1997 Institut National de Recherche en Informatique et   */
+/*  en Automatique.  Distributed only by permission.                   */
+/*                                                                     */
+/***********************************************************************/
+
+/* $Id$ */
+
+#include "main.h"
+
+static WindowPtr aboutbox = NULL;
+static UserItemUPP DrawAboutUPP = NULL;
+
+#define kItemText 2
+
+static pascal void DrawAbout (DialogPtr d, short 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;
+  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', kAboutText);
+    err = ResError (); if (err != noErr){ err = noErr; goto failed; }
+    DetachResource (txt);
+
+    err = WEUseText (txt, we);
+    if (err != noErr) goto failed;
+    err = WECalText (we);
+    if (err != noErr) goto failed;
+
+    WEFeatureFlag (weFReadOnly, weBitSet, we);
+
+    return;
+
+    failed:
+    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;
+}