<AWT Dev> Modal dialogs for fullscreen window
Anthony Petrov
anthony.petrov at oracle.com
Wed Apr 17 02:56:24 PDT 2013
Hi Vladimir,
Thanks for your investigations. Setting the _NET_WM_WINDOW_TYPE_DIALOG
type for dialog windows looks reasonable to me.
Do you want to make a patch, test it, and post it here for review? Since
you're on a *NIX system, building OpenJDK shouldn't be a problem at all.
Just `bash ./configure && make`. The ./configure script will tell you
about all the required packages that need to be installed.
--
best regards,
Anthony
On 04/16/2013 08:03 PM, Vladimir Kravets wrote:
> Guys we have the real problem....And appears it not related to
> fullscreen window =)
> If window.alwaysOnTop(true) all dialogs in Metacity and its clones will
> be shown under the main window..... =(
>
> Thanks,
> Vladimir
>
>
> 2013/4/16 Vladimir Kravets <vova.kravets at gmail.com
> <mailto:vova.kravets at gmail.com>>
>
> I look at the mutter source and found that for dialog or for window
> which have WM_TRANSIENT_FOR should set type _NET_WM_WINDOW_TYPE_DIALOG.
>
> If you look at
> https://git.gnome.org/browse/mutter/tree/src/core/window.c#n8059 and
> https://git.gnome.org/browse/mutter/tree/src/core/window.c#n8120
>
> At the fist step will check _NET_WM_WINDOW_TYPE if this set it will
> set the window type according to this type and WM_TRANSIENT_FOR will
> not check in this case. If _NET_WM_WINDOW_TYPE is not set and
> WM_TRANSIENT_FOR is set the mutter will set to this window the
> _NET_WM_WINDOW_TYPE_DIALOG window type. Thus _NET_WM_WINDOW_TYPE
> have more priority then WM_TRANSIENT_FOR...
>
> Thus since AWT even for dialogs set _NET_WM_WINDOW_TYPE_NORMAL (AWT
> sets this always!!!!) we have incorrect behavior of modal dialogs in
> mutter and posible in another WM which using the same behavior.
>
> Please fix this, since it's regression from 1.7 and this problem
> touch even Gnome3!
>
>
> 2013/4/16 Vladimir Kravets <vova.kravets at gmail.com
> <mailto:vova.kravets at gmail.com>>
>
> Heh... I see that Anthony made this changes 3 years ago =(
> http://hg.openjdk.java.net/jdk7/build/jdk/rev/ca34cfff70a4
>
> Thanks,
> Vladimir
>
>
>
> 2013/4/16 Artem Ananiev <artem.ananiev at oracle.com
> <mailto:artem.ananiev at oracle.com>>
>
> Hi, Vladimir,
>
> I took a short look at your test at github. The test
> implements its own mechanism to enter fullscreen by adding
> _NET_WM_STATE_FULLSCREEN to the list of atoms in
> _NET_WM_STATE. There may be a conflict between XToolkit and
> the test, for example, caused by using different Display
> objects.
>
> In XToolkit, _NET_WM_STATE_FULLSCREEN is only used in
> exclusive fullscreen mode, see the code in
> X11GraphicsDevice. I can't say for sure if OpenGL is used in
> this case. As for owned windows, nothing special is done
> about them. If a window has an owner, WM_TRANSIENT_FOR is
> set for it, which should be respected by WM. As you say that
> WM_TRANSIENT_FOR works fine together with
> _NET_WM_STATE_FULLSCREEN in most of the modern WMs, it
> should work for Java windows as well.
>
> Could you check all the window properties both for the
> fullscreen window and for the child windows, in your
> environment, please? Are there any chances some of the
> properties (_NET_WM_STATE, WM_TRANSIENT_FOR) are not set for
> some reason?
>
> Thanks,
>
> Artem
>
>
> On 4/15/2013 8:56 PM, Vladimir Kravets wrote:
>
> Hi guys,
>
> I'm using in my application fullscreen mode. Since 1.6
> java have a lot
> of issue with it I using X11 native binding for it.
> Use JNA 3.4. To going to fullscreen I send XSendEvent as
> _NET_WM_STATE
> with _NET_WM_STATE_FULLSCREEN
>
> You can look at test application on the github:
> https://github.com/vkravets/__FullScreenTest
> <https://github.com/vkravets/FullScreenTest>. Main
> Class: Main or MinTest
>
> So about the issue... I have an issue with modal dialogs
> or windows
> which I try to show when my main window in fullscreen mode.
> From 1.7 java is not working as expected. In 1.6 java
> modal
> dialogs/windows appeared above fullscreen window as it
> should be, but in
> 1.7 and 1.8 all modal dialogs/windows appeared under the
> fullscreen window.
>
> I'm using wm Metacity, the same I have noticed on Gnome
> Shell... It
> seems that it's related to all clones of Metacity...
>
> I'm try to see how it's perform by defult native
> frameworks and I tested
> GTK3 and SWT which is using GTK bindings. And everything
> is working as
> expected. SmartGit which written on Java and use SWT
> don't have such
> problem. VLC/GTK the same - in fullscreen mode I can
> call some dialogs
> which will be appeared above fullscreen window.
>
> It's very strange for me that Java in own documentation
> have such lines:
> Quote from GraphicsDevice#__setFullScreenWindow:
> "
> Windows cannot overlap the full-screen window. All other
> application
> windows will always appear beneath the full-screen
> window in the Z-order.
> "
>
> Since from 1.7 java is using the same message
> _NET_WM_STATE with
> _NET_WM_STATE_FULLSCREEN to going to fullscreeb and is
> not clear why we
> have such broken behavior with modal dialogs from 1.7
> java and such
> lines in the documentation....
>
> I'm already posted a defect to Oracle but Ithink it will
> be marked as
> duplicate since I found such issue
> http://bugs.sun.com/__bugdatabase/view_bug.do?bug___id=7192269
> <http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7192269>
> which marked
> as Not an Issue and for me is not clear why?
>
> Could you please suggest workaround? Or please fix this =)
>
> Best Regards,
> Vladimir
>
>
>
>
>
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