X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/f8c9f9df8c6d537b3db60823b5920d78705b929b..3d9449a111194530856126f3dc89543d83fa0440:/macosx/osxwin.m

diff --git a/macosx/osxwin.m b/macosx/osxwin.m
index a54f771f..8166f913 100644
--- a/macosx/osxwin.m
+++ b/macosx/osxwin.m
@@ -207,6 +207,8 @@
 {
     NSRect rect = { {0,0}, {0,0} };
 
+    alert_ctx = NULL;
+
     cfg = aCfg;			       /* structure copy */
 
     init_ucs(&ucsdata, cfg.line_codepage, cfg.utf8_override,
@@ -307,6 +309,7 @@
      * terminal, the backend, the ldisc, the logctx, you name it.
      * Do so.
      */
+    sfree(alert_ctx);
     [super dealloc];
 }
 
@@ -778,6 +781,23 @@ printf("n=%d c=U+%04x cm=U+%04x m=%08x\n", n, c, cm, m);
     return term_data(term, is_stderr, data, len);
 }
 
+- (void)startAlert:(NSAlert *)alert
+    withCallback:(void (*)(void *, int))callback andCtx:(void *)ctx
+{
+    alert_callback = callback;
+    alert_ctx = ctx;		     /* NB this is assumed to need freeing! */
+    [alert beginSheetModalForWindow:self modalDelegate:self
+     didEndSelector:@selector(alertSheetDidEnd:returnCode:contextInfo:)
+     contextInfo:NULL];
+}
+
+- (void)alertSheetDidEnd:(NSAlert *)alert returnCode:(int)returnCode
+    contextInfo:(void *)contextInfo
+{
+    alert_callback(alert_ctx, returnCode);   /* transfers ownership of ctx */
+    alert_ctx = NULL;
+}
+
 @end
 
 int from_backend(void *frontend, int is_stderr, const char *data, int len)