<AWT Dev> [9] Review request for JDK-7011513: GTK FileDialog modality issues

[Alexander Zvegintsev]

Hello AWT team,

Please review the fix
http://cr.openjdk.java.net/~azvegint/jdk/9/7011513/webrev.00/
for
https://bugs.openjdk.java.net/browse/JDK-7011513

Currently a Gtk file chooser dialog window can be obscured by its owner 
window,
this happens because we do not specify a parent window for obvious 
reason: our owner window in not an instance of GtkWindow.
However it can be workarounded by setting up a WM_TRANSIENT_FOR property 
[1][2].

I tested this on Solaris 10/11, OEL 6, Ubuntu 13.04, all works fine for me.

[1] http://tronche.com/gui/x/icccm/sec-4.html#WM_TRANSIENT_FOR
[2] 
http://tronche.com/gui/x/xlib/ICC/client-to-window-manager/XSetTransientForHint.html
[3] 
https://developer.gnome.org/gtk2/stable/GtkWidget.html#gtk-widget-realize
[4] 
https://developer.gnome.org/gdk/stable/gdk-X-Window-System-Interaction.html#gdk-x11-drawable-get-xid

-- 
Thanks,

Alexander.

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