Re: How to implement an open dialog in a sheet and process its output?
Re: How to implement an open dialog in a sheet and process its output?
- Subject: Re: How to implement an open dialog in a sheet and process its output?
- From: Nathaniel Gottlieb-Graham <email@hidden>
- Date: Mon, 12 Nov 2007 16:54:50 -0500
No, I know that the button is connected to the IBAction, because I put
an NSLog() at the beginning of the method definition, and clicking on
the button does indeed log the string to the console. While I was
there, something I noticed the console producing was:
-[NSWindow window]: unrecognized selector sent to instance 0x12f180
I get no compiler errors or warnings. Is this because the selector is
calling the filePanelDidEnd: method at runtime? So what's wrong with
filePanelDidEnd:? The code I'm using is exactly as shown below.
Thanks again,
Nathaniel
- (IBAction)askForQuickTimeMovieSheet:(id)sender {
NSOpenPanel *panel = [NSOpenPanel openPanel];
NSArray *fileTypes = [NSArray arrayWithObjects:@"mov", @"mp4",
@"avi", nil];
[panel beginSheetForDirectory:@"~Movies/"
file:nil
types:fileTypes
modalForWindow:[welcomeWindow window]
modalDelegate:self
didEndSelector:@selector(filePanelDidEnd:
returnCode:
contextInfo:)
contextInfo:nil];
}
-(void)filePanelDidEnd:(NSOpenPanel*)sheet
returnCode:(int)returnCode
contextInfo:(void*)contextInfo {
// Do stuff here as soon as the sheet displays properly
}
Thanks again,
Nathaniel
Nathaniel,
I pasted your code into a sandpit project, and the sheet appears
fine. Did you actually connect the button to the IBAction in
Interface Builder? If you don't know how to do that, you should
look for a tutorial on the web or at Apple's site.
Also, the sheet opens at the default Documents folder because the
value of the first argument to the beginSheet... method is wrong.
The tilde character is used by shells which expand it to the user's
home directory. In a program (ie, not a shell), you'll need to pass
a real path. Have a look in the docs for NSHomeDirectory() or
NSString's -stringByExpandingTildeInPath method.
Ron
---------------------------------
Nathaniel Gottlieb-Graham
Mac specialist
email@hidden
techpaladin.com
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