Tom,
Have you used 'Shark' and 'Sample' to figure out why it is slow?
Please log a bug (bugreporter.apple.com) if you believe it is slow due to the
framework. Please include any samples/shark results, and ideally a test case.
corbin
On Oct 7, 2009, at 11:01 PM, Thomas Wetmore wrote:
> I use the following function to show an open panel and get the path to a
> file. I have inserted three NSLog calls.
>
> This first time I call this function the panel opens immediately and the
> three log messages follow each other immediately.
>
> The second and every later time I call this function, performance is terrible
> -- there is about two or three seconds between the first two log messages
> though the third follows immediately after the second.
>
> The evidence is that [NSOpenPanel openPanel] is the culprit. Is there
> something I need to do (i.e., close) to the open panel before I return from
> this function? I tried making the openPanel static and only creating it once,
> but this caused a crash.
>
> Thanks very much for any advice.
>
> Tom Wetmore
>
>
> // Use a NSOpenPanel to choose the name of a Gedcom file to read.
> //----------------------------------------------------------------------------------------------------------------------
> NSString* openFile (NSString* title)
> {
> NSLog(@"openFile called"); // TODO: Remove.
> NSOpenPanel* oPanel = [NSOpenPanel openPanel]; <<<<<-------PERFORMANCE
> SUFFERS HERE---------<<<<
> NSLog(@"back from openening panel"); // TODO: Remove.
> [oPanel setCanChooseDirectories: NO];
> [oPanel setCanChooseFiles: YES];
> [oPanel setCanCreateDirectories: NO];
> [oPanel setAllowsMultipleSelection: NO];
> [oPanel setAlphaValue: 0.99];
> [oPanel setTitle: title];
> NSArray* fileTypes = [NSArray arrayWithObjects: @"txt", @"ged",
> @"gedcom", nil];
> [oPanel setAllowedFileTypes: fileTypes];
> NSLog(@"about to runModal"); // TODO: Remove
> if ([oPanel runModal] != NSOKButton) return @"";
>
> // Return the file name.
> NSArray* files = [oPanel filenames];
> if ([files count] == 0) return @"";
> NSString* filePath = [files objectAtIndex:0];
> return filePath;
> }
_______________________________________________
Cocoa-dev mailing list ([email protected])
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com
This email sent to [email protected]
