I found a better solution which works in ARC mode
- (void)windowWillCloseNotifications:(NSNotification*) aNotification
{
NSWindow* w = [aNotification object];
if (w && [[(NSObject*)[w delegate] className]
isEqualToString:@"QuartzCocoaView"]){
[w setReleasedWhenClosed:NO];
}
On Nov 13, 2013, at 2:28 PM, Randy Lai <[email protected]> wrote:
> an additional semi colon is the last post.
>
> - (void)windowWillCloseNotifications:(NSNotification*) aNotification
> {
>
> NSWindow *w = [aNotification object];
>
> if (w && [[(NSObject*)[w delegate] className]
> isEqualToString:@"QuartzCocoaView"])
> [w retain];
>
> On Nov 13, 2013, at 2:10 PM, Randy Lai <[email protected]> wrote:
>
>> I figured it out. The window instance will be released in the main R, so we
>> have to retain the instance until it is released.
>> Otherwise, the window will be released twice.
>>
>> - (void)windowWillCloseNotifications:(NSNotification*) aNotification
>> {
>>
>> NSWindow *w = [aNotification object];
>>
>> if (w && [[(NSObject*)[w delegate] className]
>> isEqualToString:@"QuartzCocoaView"]);
>> [w retain];
>>
>>
>> On Nov 13, 2013, at 12:07 PM, Randy Lai <[email protected]> wrote:
>>
>>> I meant the method windowWillCloseNotifications in RDocumentController.m
>>>
>>> 1. change “QuartzCocoaView” to something otherwise to avoid it being
>>> invoked,
>>> 2. compile the R GUI
>>> 3. run the plot function, e.g. plot(1,1)
>>> 4. close the quartz
>>>
>>> you will see the error EXC_HAD_ACCESS (code=EXC_i386_GPFLT).
>>>
>>> there may be a memory leak in R code!?
>>>
>>>
>>> On Nov 13, 2013, at 6:26 AM, Simon Urbanek <[email protected]>
>>> wrote:
>>>
>>>> On Nov 13, 2013, at 6:54 AM, Randy Lai <[email protected]> wrote:
>>>>
>>>>> Hi all,
>>>>>
>>>>> I am studying the R GUI code and I have a question about Quartz.
>>>>>
>>>>> It seems that R GUI will add a dummy Quartz Cocoa window before the
>>>>> quartz is closed.
>>>>> What is the reason behind?
>>>>>
>>>>
>>>> Can you supply some details as of what you're looking at? The GUI is no
>>>> longer driving Quartz, so I'm not sure what code you have in mind.
>>>>
>>>> Cheers,
>>>> Simon
>>>>
>>>>
>>>>
>>>>
>>>>> I have tried compiled the code without this part, it raises an error for
>>>>> EXC_HAD_ACCESS (code=EXC_i386_GPFLT).
>>>>>
>>>>> Randy
>>>>> _______________________________________________
>>>>> R-SIG-Mac mailing list
>>>>> [email protected]
>>>>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac
>>>>>
>>>>
>>>
>>
>
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