+/*
+ allows ShowModal to work when using sheets.
+ see include/wx/osx/cocoa/private.h for more info
+*/
+@implementation ModalDialogDelegate
+- (id)init
+{
+ [super init];
+ sheetFinished = NO;
+ resultCode = -1;
+ impl = 0;
+ return self;
+}
+
+- (void)setImplementation: (wxDialog *)dialog
+{
+ impl = dialog;
+}
+
+- (BOOL)finished
+{
+ return sheetFinished;
+}
+
+- (int)code
+{
+ return resultCode;
+}
+
+- (void)waitForSheetToFinish
+{
+ while (!sheetFinished)
+ {
+ wxSafeYield();
+ }
+}
+
+- (void)sheetDidEnd:(NSWindow *)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo
+{
+ wxUnusedVar(contextInfo);
+ resultCode = returnCode;
+ sheetFinished = YES;
+ // NSAlerts don't need nor respond to orderOut
+ if ([sheet respondsToSelector:@selector(orderOut:)])
+ [sheet orderOut: self];
+
+ if (impl)
+ impl->ModalFinishedCallback(sheet, returnCode);
+}
+@end
+