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Display filter events [message #123574]

Tue, 03 March 2009 07:03

Boris Stepanov

Messages: 68
Registered: July 2009

Member

Hello,

I've added filter to display on MouseUp event. I want to know which
button was pressed, but field button of event object is always 0. I
looked at sources and found the following code in TypedEvent class:

private org.eclipse.swt.widgets.Event processFilters() {
IFilterEntry[] filters = getFilterEntries();
org.eclipse.swt.widgets.Event result
= new org.eclipse.swt.widgets.Event();
result.widget = widget;
result.type = getID();
for( int i = 0; !isFiltered( result ) && i < filters.length; i++ ) {
if( filters[ i ].getType() == result.type ) {
filters[ i ].getListener().handleEvent( result );
}
}
return result;
}

TypedEvent contains all fields, but when new event object is created
only two fields will be copied (widget and type). Is it bug?

Thanks.

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Re: Display filter events [message #123604 is a reply to message #123574]

Tue, 03 March 2009 09:34

Boris Stepanov

Messages: 68
Registered: July 2009

Member

Another problem in Close event. Listeners are invoked only when I close
Shell by keyboard (ESC) if I press OK or Cancel button in Dialog by
mouse listeners don't work. I found the following code in Window.close()
method:

// If we "close" the shell recursion will occur.
// Instead, we need to "dispose" the shell to remove it from the
// display.
shell.dispose();

But notification is invoked from shell.close().

Also I found several TODO marked code parts in TypedEvent class. Will
they be fixed in M6?

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Re: Display filter events [message #123617 is a reply to message #123574]

Tue, 03 March 2009 09:40

Benjamin Muskalla

Messages: 338
Registered: July 2009

Senior Member

Hi Boris,

regarding the display filters - this is a known bug. See
https://bugs.eclipse.org/bugs/show_bug.cgi?id=264945

I hope we can fix this with the 1.2 release.

Cheers
Benny

Boris Stepanov wrote:
> Hello,
>
> I've added filter to display on MouseUp event. I want to know which
> button was pressed, but field button of event object is always 0. I
> looked at sources and found the following code in TypedEvent class:
>
> private org.eclipse.swt.widgets.Event processFilters() {
> IFilterEntry[] filters = getFilterEntries();
> org.eclipse.swt.widgets.Event result
> = new org.eclipse.swt.widgets.Event();
> result.widget = widget;
> result.type = getID();
> for( int i = 0; !isFiltered( result ) && i < filters.length; i++ ) {
> if( filters[ i ].getType() == result.type ) {
> filters[ i ].getListener().handleEvent( result );
> }
> }
> return result;
> }
>
> TypedEvent contains all fields, but when new event object is created
> only two fields will be copied (widget and type). Is it bug?
>
> Thanks.

--
Benjamin Muskalla | EclipseSource Karlsruhe
http://www.eclipsesource.com | http://twitter.com/eclipsesource

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