The attached patch fixes the following issues with the NSAlert class.
1. The callback passed to NSAlert's beginSheetModalForWindow:modalDelegate:didEndSelector:contextInfo: was invoked with a wrong argument. In particular, the first argument passed to the modal delegate was the GSAlertPanel, but it should be the NSAlert instance. This is solved by adding two new instanceattributes and the auxiliary method _alertDidEnd:returnCode:contextInfo:.
2. The method addButtonWithTitle adds escape and Command-D key equivalents to the Cancel and Don't Save buttons as documented, but unfortunately forgets to take localization into account. 3. The method _setupPanel flips the title and informative message when invoking the panel's -setTitleBar:... method. In addition, the patch also supplies a (localized) default title "Alert" for the panel if none was provided by the user as specified by Apple's NSAlert documentation. 4. Keyboard navigation in alert panels did not work because _initWithoutGModel invokes setRefusesFirstResponder: YES for all buttons in the alert panel. The patch removes those calls. Wolfgang
alert.patch
Description: Binary data
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