mirror of
https://github.com/gnustep/libs-base.git
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5118c8f944
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@23238 72102866-910b-0410-8b05-ffd578937521
70 lines
1.6 KiB
Objective-C
70 lines
1.6 KiB
Objective-C
#include "config.h"
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#include "GNUstepBase/preface.h"
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#include "GSRunLoopWatcher.h"
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#include <Foundation/NSException.h>
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#include <Foundation/NSPort.h>
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@implementation GSRunLoopWatcher
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- (void) dealloc
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{
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[super dealloc];
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}
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- (id) initWithType: (RunLoopEventType)aType
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receiver: (id)anObj
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data: (void*)item
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{
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_invalidated = NO;
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receiver = anObj;
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data = item;
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switch (aType)
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{
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#if defined(__MINGW32__)
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case ET_HANDLE: type = aType; break;
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case ET_WINMSG: type = aType; break;
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#else
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case ET_EDESC: type = aType; break;
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case ET_RDESC: type = aType; break;
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case ET_WDESC: type = aType; break;
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#endif
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case ET_RPORT: type = aType; break;
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case ET_TRIGGER: type = aType; break;
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default:
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RELEASE(self);
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[NSException raise: NSInvalidArgumentException
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format: @"NSRunLoop - unknown event type"];
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}
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if ([anObj respondsToSelector: @selector(runLoopShouldBlock:)])
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{
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checkBlocking = YES;
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}
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if (![anObj respondsToSelector: @selector(receivedEvent:type:extra:forMode:)])
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{
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RELEASE(self);
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[NSException raise: NSInvalidArgumentException
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format: @"RunLoop listener has no event handling method"];
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}
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return self;
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}
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- (BOOL) runLoopShouldBlock: (BOOL*)trigger
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{
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if (checkBlocking == YES)
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{
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BOOL result = [(id)receiver runLoopShouldBlock: trigger];
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return result;
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}
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else if (type == ET_TRIGGER)
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{
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*trigger = YES;
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return NO; // By default triggers may fire immediately
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}
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*trigger = YES;
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return YES; // By default we must wait for input sources
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}
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@end
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