Examples of org.eclipse.swt.widgets.Display.removeFilter()

org.eclipse.swt.widgets.Display.removeFilter()
Removes the listener from the collection of listeners who will be notified when an event of the given type occurs anywhere in a widget. The event type is one of the event constants defined in class SWT. @param eventType the type of event to listen for @param listener the listener which should no longer be notified when the event occurs @exception IllegalArgumentException
- ERROR_NULL_ARGUMENT - if the listener is null
@exception SWTException
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
@see Listener @see SWT @see #addFilter @see #addListener @since 3.0

                    popup.dispose();
                }
                Shell shell = getShell();
                shell.removeListener(SWT.Deactivate, listener);
                Display display = getDisplay();
                display.removeFilter(SWT.FocusIn, focusFilter);
                popup = null;
                text = null;
                table = null;
                arrow = null;
                selectedImage = null;

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                hasFocus = true;
                Shell shell = getShell();
                shell.removeListener(SWT.Deactivate, listener);
                shell.addListener(SWT.Deactivate, listener);
                Display display = getDisplay();
                display.removeFilter(SWT.FocusIn, focusFilter);
                display.addFilter(SWT.FocusIn, focusFilter);
                Event e = new Event();
                notifyListeners(SWT.FocusIn, e);
                break;
            }

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                    return;
                hasFocus = false;
                Shell shell = getShell();
                shell.removeListener(SWT.Deactivate, listener);
                Display display = getDisplay();
                display.removeFilter(SWT.FocusIn, focusFilter);
                Event e = new Event();
                notifyListeners(SWT.FocusOut, e);
                break;
            }
        }

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        (
            new DisposeListener()
            {
                public void widgetDisposed( final DisposeEvent event )
                {
                    display.removeFilter( SWT.KeyDown, keyListener );
                    display.removeFilter( SWT.KeyUp, keyListener );
                    jumpAction.removeHandler( jumpActionHandler );
                }
            }
        );

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            new DisposeListener()
            {
                public void widgetDisposed( final DisposeEvent event )
                {
                    display.removeFilter( SWT.KeyDown, keyListener );
                    display.removeFilter( SWT.KeyUp, keyListener );
                    jumpAction.removeHandler( jumpActionHandler );
                }
            }
        );
    }

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                popup.dispose ();
            }
            Shell shell = getShell ();
            shell.removeListener (SWT.Deactivate, listener);
            Display display = getDisplay ();
            display.removeFilter (SWT.FocusIn, filter);
            popup = null;  
            text = null;  
            table = null;  
            arrow = null;
            break;

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            hasFocus = true;
            Shell shell = getShell ();
            shell.removeListener (SWT.Deactivate, listener);
            shell.addListener (SWT.Deactivate, listener);
            Display display = getDisplay ();
            display.removeFilter (SWT.FocusIn, filter);
            display.addFilter (SWT.FocusIn, filter);
            Event e = new Event ();
            notifyListeners (SWT.FocusIn, e);
            break;
        }

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            if (focusControl == arrow || focusControl == table || focusControl == text) return;
            hasFocus = false;
            Shell shell = getShell ();
            shell.removeListener(SWT.Deactivate, listener);
            Display display = getDisplay ();
            display.removeFilter (SWT.FocusIn, filter);
            Event e = new Event ();
            notifyListeners (SWT.FocusOut, e);
            break;
        }
    }

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