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Add note about how clients could embed other applications.

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This commit is contained in:
Kristian Høgsberg 2008-12-04 18:40:14 -05:00
parent e2ce43a9be
commit b820b82cad
1 changed files with 21 additions and 1 deletions
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NOTES
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@ -140,4 +140,24 @@ the type of event. Events are generated both in repsonse to a request
spontanously when the server state changes.
the get_interface method is called on an object to get an object
handle that implements the specified interface.
handle that implements the specified interface.
EMBEDDING OTHER WINDOWS
X11 lets clients embed windows from other clients other copy pixmap
contents rendered by another client into their window. This is often
used for applets in a panel, browser plugins and similar. Wayland
doesn't directly allow this, but clients can communicate GEM buffer
names out-of-band, for example, using d-bus or as command line
arguments when the panel launches the applet. Another option is to
use a nested wayland instance. For this, the wayland server will have
to be a library that the host application links to. The host
application will then pass the wayland server socket name to the
embedded application, and will need to implement the wayland
compositor interface. The host application composites the client
surfaces as part of it's window, that is, in the web page or in the
panel. The benefit of nesting the wayland server is that it provides
the requests the embedded client needs to inform the host about buffer
updates and a mechanism for forwarding input events from the host
application.