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Bug
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Resolution: Incomplete
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Not Evaluated
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None
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5.2.0
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None
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Mac OS X 10.8.4, XCode 5
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macOS
When performing a mouse drag upon a widget, my application often gets objective C exceptions or a crash.
It appears to be with the mouse handling code, and from the backtrace I can see perhaps the wrong object is being sent a message.
I'm either getting an exception:
2014-01-09 11:24:26.546 ApplicationName[11817:303] -[NSImage set]: unrecognized selector sent to instance 0x1a70b180
0 CoreFoundation 0x95bf6e8b __raiseError + 219
1 libobjc.A.dylib 0x90c2452e objc_exception_throw + 230
2 CoreFoundation 0x95bfaafd -[NSObject(NSObject) doesNotRecognizeSelector:] + 253
3 CoreFoundation 0x95b42e87 ___forwarding___ + 487
4 CoreFoundation 0x95b42c32 _CF_forwarding_prep_0 + 50
5 libqcocoa.dylib 0x04f11b5b -[QNSView cursorUpdate:] + 43
6 AppKit 0x974d2230 -[NSWindow sendEvent:] + 9287
7 libqcocoa.dylib 0x04f0be9a -[QNSWindow sendEvent:] + 58
8 AppKit 0x972ac8f7 handleCursorRect + 212
9 AppKit 0x974cd9e6 -[NSApplication sendEvent:] + 8589
10 libqcocoa.dylib 0x04f1e0cb -[QNSApplication sendEvent:] + 91
11 AppKit 0x973e662c -[NSApplication run] + 951
12 libqcocoa.dylib 0x04f1a542 _ZN21QCocoaEventDispatcher13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE + 2274
13 QtCore 0x0485b2d1 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE + 401
14 QtCore 0x0485e266 _ZN16QCoreApplication4execEv + 342
15 ApplicationName 0x0032b869 main_internal + 1577
....
Or a crash:
* thread #1: tid = 0xdebe, 0x90c18a87 libobjc.A.dylib`objc_msgSend + 23, queue = 'com.apple.main-thread, stop reason = EXC_BAD_ACCESS (code=1, address=0xb1a676a2)
frame #0: 0x90c18a87 libobjc.A.dylib`objc_msgSend + 23
frame #1: 0x04f11b5b libqcocoa.dylib`-[QNSView cursorUpdate:] + 43
frame #2: 0x974d2230 AppKit`-[NSWindow sendEvent:] + 9287
frame #3: 0x04f0be9a libqcocoa.dylib`-[QNSWindow sendEvent:] + 58
frame #4: 0x972ac8f7 AppKit`handleCursorRect + 212
frame #5: 0x974cd9e6 AppKit`-[NSApplication sendEvent:] + 8589
frame #6: 0x04f1e0cb libqcocoa.dylib`-[QNSApplication sendEvent:] + 91
frame #7: 0x973e662c AppKit`-[NSApplication run] + 951
frame #8: 0x04f1a542 libqcocoa.dylib`QCocoaEventDispatcher::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 2274
frame #9: 0x0485b2d1 QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 401
frame #10: 0x0485e266 QtCore`QCoreApplication::exec() + 342
....