I wonder if it is possible to enable/disable full screen button in top right corner of a Shell when application is running on Mac OS X 10.7 or higher. I noticed that a top-level Shell created with Display argument always has a "full screen button", while a child Shell (created with Shell argument) never has this button.

Looking at SWT API, there doesn't seem to be a method that would enable/disable full screen feature.

I would like to enable/disable full screen support for each Shell individually, no matter if this is a top-level or child Shell - is this possible at all?

Albert Pikus wrote on Mon, 27 August 2012 07:09

I wonder if it is possible to enable/disable full screen button in top right corner of a Shell when application is running on Mac OS X 10.7 or higher. I noticed that a top-level Shell created with Display argument always has a "full screen button", while a child Shell (created with Shell argument) never has this button.

I don't think so: the choice was deliberately made (https://bugs.eclipse.org/bugs/show_bug.cgi?id=349148#c16). You could use platform-specific calls and reflection to enable it if you like -- see elsewhere in that bug for details.

Quote:

Looking at SWT API, there doesn't seem to be a method that would enable/disable full screen feature.

I would like to enable/disable full screen support for each Shell individually, no matter if this is a top-level or child Shell - is this possible at all?

See Shell#setFullscreen().

Brian.

I'm using this code to enable fullscreen mode. Only tested on 64bit Mountain Lion.

Field field = Control.class.getDeclaredField("view");
Object /*NSView*/ view = field.get(rShell);

if (view != null)
{
    Class<?> c = Class.forName("org.eclipse.swt.internal.cocoa.NSView");
    Object /*NSWindow*/ window = c.getDeclaredMethod("window").invoke(view);

    c = Class.forName("org.eclipse.swt.internal.cocoa.NSWindow");
    Method setCollectionBehavior = c.getDeclaredMethod(
        "setCollectionBehavior", JVM.is64bit() ? long.class : int.class);
    setCollectionBehavior.invoke(window, getFullScreenMask());
}

The fullscreen mask is 1 << 7.