[Pyobjc-dev] Cocoa Sheets

[Bob S. <rsw...@tr...>]

I'm trying to use
NSApplication.beginSheet_modalForWindows_modalDelegate_didEndSelector_contex
tinfo_ to create a sheet on a window, but I don't seem to be setting it up
right .  When it goes to call the didEndSelector method I get a bus error :(

The method that I want called is defined in class MyClass as:
    def sheedDidEnd_sheet_returnCode_contextInfo_(self, sheet, returnCode,
contextInfo):

I'm trying to invoke the sheet as:

application.beginSheet_modalForWindow_modalDelegate_didEndSelector_contextin
fo( \
            self.panel, self.window, self,
sheedDidEnd_sheet_returnCode_contextInfo_selector, 0)

where I have set up sheedDidEnd_sheet_returnCode_contextInfo_selector with:
    sheedDidEnd_sheet_returnCode_contextInfo_selector = objc.selector \
        (sheedDidEnd_sheet_returnCode_contextInfo_, signature='v@:@ii')

I don't see where the signature format is specified, so I took a guess (!)
How do I define the selector so that method gets called correctly?  Is there
a better way to do this?

Thanks for your help.

Bob Swerdlow
COO
Transpose
rsw...@tr...
207-781-8284
http://www.transpose.com

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