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Re: JFrame / JDialog issue - Info about Threads?
Hi Kent,
i already thought of an additional process/thread, too - but frankly iīm
not too deep into that, so i really canīt give any advise in that field,
hopefully Swapnil or somebody else can...
your option 1) live with it...
Cīmon - we programmerīs just donīt wanna live with a problem, we can
solve it so can you ( btw - anybody has life experience with threads? )
Sorry that i couldnīt help you out...
Volker
Kent wrote:
> Hi Volker / Swapnil,
>
> No, a non-modal dialog wouldn't suit my needs. I really don't want the user
> to interact with the frame that opens the dialog - just the frame that doesn't.
> Also Volker, your suggestion of disabling controls in the opening frame would
> be feasible for a smaller application but unfortunately my app is just too
> big - dialogs being opened from dialogs etc.
>
> By the sounds of it it's simply not possible (single thread for UI). So I
> guess my options are:
>
> 1. live with it
> 2. open second frame in a second process
>
> Option 1 is probably what I'll go with but I'm also interested in option
> 2. My question would be how I can get the two processes to communicate with
> each other.
>
> I know I can start the second process via one of the Runtime.exec() methods
> but how can I easily communicate between processes? Using the input / output
> streams of the processes somehow?
>
> Thanks,
> Kent
>
>
> Volker Held <vheld@gwdg.de> wrote:
>
>>Hi Kent, Hi Swapnil,
>>
>>@ Swapney:
>>I think kentīs idea was that he blocks one frame but still has access to
>>
>
>>the other - problem is, you have make a modal dialog - i think non-modal
>>
>
>>wouldnīt suit his needs....
>>
>>@ Kent:
>>Iīm using 1.3.1_02 - maybe this issue is adressed in 1.4 but i cannot
>>tell yet. ( If you have any knowledge about that Swapnil, please tell us.
>>
> )
>
>>One way to simulate window modal dialogs might be to set all components
>>
>
>>on the "calling" window/frame to enabled = false and when the dialog
>>closes you have to re-enabled them...
>>Dunno if thatīs a reasonable idea, but it may be worth a try....
>>
>>Volker
>>
>>Swapnil wrote:
>>
>>>Hi,
>>>
>>>It seems you have set the JDialog to Modal using setModal(boolean). Once
>>>a Modal JDialog is visible it blocks all user events for other windows.
>>>
> Swing
>
>>>events are dispatched on single thread i.e. Swing is Single Threaded.
>>>
> That
>
>>>is why once the Modal JDialog captures all events you cannot do anything
>>>in that particular JVM itself.
>>> You may try using Non-Modal JDialog if it suits your requirement.
>>>
> As
>
>>>of JDK 1.3 Non-Modal JDialog allow user to do something in other windows
>>>but it stays on top always.
>>>
>>>Cheers,Swapnil
>>>
>>>
>>
>
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