I took a look at the gtk sources and i understand that a dialog.run calls a MainLoop.Run
Every MainLoop needs exclusive input, as you described...
But how to connect a IOCannel to a MainLoop? Is this the right way?
Wolfgang
Gesendet: 29.06.2017 15:37
An: Wolfgang Mauer <[email protected]>,[email protected] <[email protected]>
Betreff: Re: [Gtk-sharp-list] GLib MainLoop/MainContext/IOChannel/Source
Hello,
Modality is a concept that is implemented by the toolkit.
If you are implementing your own toolkit, you will have to create your own concept of modality and treat it that way.
Usually what this means is that the events are sent to the modal window, and no other window receives events.
Miguel.
From: Gtk-sharp-list <[email protected]> on behalf of Wolfgang Mauer <[email protected]>
Date: Saturday, June 17, 2017 at 6:00 AM
To: "[email protected]" <[email protected]>
Subject: [Gtk-sharp-list] GLib MainLoop/MainContext/IOChannel/Source
Hi Guys,
I need help to the above topics.
I have an embedded system with no graphical interface like X11 etc.
I need to implement something similar to a WindowManager using GLES2 as Surface(Cairo).
No GTK/GDK are avail. Only Mono/Glib/Cairo…
As input device i have a RemoteControl using ("/dev/input/event1")..
I tried something like this, what basically works..
Windows are painted/rendered with cairo.
ModalLoop = new MainLoop ();
_fd = Syscall.open ("/dev/input/event1", OpenFlags.O_RDWR | OpenFlags.O_NONBLOCK);
_io = new GLib.IOChannel (_fd);
_io.Encoding = null;
_io.AddWatch (0, GLib.IOCondition.In, OnRemotePressed);
GLib.Idle.Add (OnStartMain);
ModalLoop.Run ();
But now I need a kind of “modal Window” with own MainLoop and Input and I do not know how to continue.
Any Help?
PS. Multithreading means a lot of work with OpenGL so I have not tried this yet.
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