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Disable "Close Window" button on the title bar of a dialog [message #528941]

Thu, 22 April 2010 13:20

Kai Schlamp

Messages: 344
Registered: July 2009

Senior Member

Hello.

I have to make a dialog (better to say a TitleAreaDialog) non-cancelable. The cancel button is easy to manage, but that little "Close Windows" button on the title bar not.
It even more a problem as it sends the same return code as cancel and so can't be fetched in the close method.

Regards,
Kai

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Re: Disable "Close Window" button on the title bar of a dialog [message #528957 is a reply to message #528941]

Thu, 22 April 2010 13:49

Paul Webster

Messages: 6859
Registered: July 2009
Location: Ottawa

Senior Member

That close window button comes from the shell style (AFAIK), possibly
set in org.eclipse.jface.dialogs.Dialog.Dialog(IShellProvider)

PW

--
Paul Webster
http://wiki.eclipse.org/Platform_Command_Framework
http://wiki.eclipse.org/Command_Core_Expressions
http://wiki.eclipse.org/Menu_Contributions
http://wiki.eclipse.org/Menus_Extension_Mapping
http://help.eclipse.org/galileo/index.jsp?topic=/org.eclipse .platform.doc.isv/guide/workbench.htm

Paul Webster
http://wiki.eclipse.org/Platform_Command_Framework
http://wiki.eclipse.org/Command_Core_Expressions
http://wiki.eclipse.org/Menu_Contributions

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Re: Disable "Close Window" button on the title bar of a dialog [message #528970 is a reply to message #528957]

Thu, 22 April 2010 14:05

Kai Schlamp

Messages: 344
Registered: July 2009

Senior Member

Paul Webster wrote on Thu, 22 April 2010 09:49

That close window button comes from the shell style (AFAIK), possibly
set in org.eclipse.jface.dialogs.Dialog.Dialog(IShellProvider)

Thanks for the hint, Paul. But I still see no way to disable that close button.

I found the following example somewhere how to solve it, but it doesn't work (at least under Linux GTK):

getShell().addListener(SWT.Close, new Listener() {
@Override
public void handleEvent(Event event) {
event.doit = false;
}
});

Any suggestions?

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Re: Disable "Close Window" button on the title bar of a dialog [message #528976 is a reply to message #528941]

Thu, 22 April 2010 14:21

Kai Schlamp

Messages: 344
Registered: July 2009

Senior Member

It seems I have found a solution for TitleAreaDialog.

@Override
protected ShellListener getShellListener() {
return new ShellAdapter() {
public void shellClosed(ShellEvent event) {
event.doit = false; // don't close now
}
};
}

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Re: Disable "Close Window" button on the title bar of a dialog [message #529237 is a reply to message #528970]

Fri, 23 April 2010 14:26

Paul Webster

Messages: 6859
Registered: July 2009
Location: Ottawa

Senior Member

Kai Schlamp wrote:
> Thanks for the hint, Paul. But I still see no way to disable that close
> button.

In your constructor after you call super, set the shell style to
something that doesn't include the close button.

> I found the following example somewhere how to solve it, but it doesn't
> work (at least under Linux GTK):
>
> getShell().addListener(SWT.Close, new Listener() {
> @Override
> public void handleEvent(Event event) {
> event.doit = false;
> }
> });
>

As you found out, doit is used more by the typed listeners (like
ShellListener). For untyped listeners, the equivalent is:

event.type = SWT.None.

PW

--
Paul Webster
http://wiki.eclipse.org/Platform_Command_Framework
http://wiki.eclipse.org/Command_Core_Expressions
http://wiki.eclipse.org/Menu_Contributions
http://wiki.eclipse.org/Menus_Extension_Mapping
http://help.eclipse.org/galileo/index.jsp?topic=/org.eclipse .platform.doc.isv/guide/workbench.htm

Paul Webster
http://wiki.eclipse.org/Platform_Command_Framework
http://wiki.eclipse.org/Command_Core_Expressions
http://wiki.eclipse.org/Menu_Contributions

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Re: Disable "Close Window" button on the title bar of a dialog [message #529575 is a reply to message #528970]

Mon, 26 April 2010 13:07

Praveen

Messages: 86
Registered: July 2009

Member

Kai Schlamp wrote:
> I found the following example somewhere how to solve it, but it doesn't
> work (at least under Linux GTK):
>
> getShell().addListener(SWT.Close, new Listener() {
> @Override
> public void handleEvent(Event event) {
> event.doit = false;
> }
> });
I don't think that is right. The snippet works well on
Linux-GTK(Ubuntu9.04 in my case). Which version of GTK you are running ?
Also please make sure getShell() points to the dialog you are referring?

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