Re: Alert Sheets hard wired in Interface Builder
Re: Alert Sheets hard wired in Interface Builder
- Subject: Re: Alert Sheets hard wired in Interface Builder
- From: Chris Hanson <email@hidden>
- Date: Wed, 28 May 2008 22:44:25 -0700
On May 27, 2008, at 9:06 PM, Jens Alfke wrote:
On 27 May '08, at 1:40 PM, Kyle Sluder wrote:
You're looking for +[NSApplication
beginSheet:modalForWindow:modalDelegate:didEndSelector:contextInfo:],
I'm not surprised the OP didn't find this … it's my candidate for
Most Misplaced Cocoa Method.
I suspect the general sheet methods (which are instance methods, not
class methods) are on NSApplication for largely historical reasons.
If you look at <AppKit/NSApplication.h>, you'll see that NSApplication
has a couple of instance methods dealing with running a modal session
"relative to" a window:
- (NSInteger)runModalForWindow:(NSWindow *)theWindow relativeToWindow:
(NSWindow *)docWindow;
- (NSModalSession)beginModalSessionForWindow:(NSWindow *)theWindow
relativeToWindow:(NSWindow *)docWindow;
These are effectively the OpenStep predecessor to sheets. They're
preceded by comments indicating that they're deprecated, but are not
formally tagged as such in the headers.
There are also similar -- and similarly-deprecated -- functions in
<AppKit/NSPanel.h> for running alert panels relative to a window.
In both cases, sheets are called out as the replacement technology,
and the replacements are defined practically right next to the
deprecated functionality.
-- Chris
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