[PATCH weston 14/17] xdg-shell: Specify the meaning of 0x0 window geometry in configure

Jonas Ådahl jadahl at gmail.com
Tue Apr 7 02:01:29 PDT 2015

Some times the compositor needs to send a configure request but without
having any clue about what size the surface should have. Examples
include unmaximizing a surface that was mapped as maximized, or an
initial state which doesn't have any size expectations.

Signed-off-by: Jonas Ådahl <jadahl at gmail.com>
 protocol/xdg-shell.xml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/protocol/xdg-shell.xml b/protocol/xdg-shell.xml
index 84d39bb..f07ba5e 100644
--- a/protocol/xdg-shell.xml
+++ b/protocol/xdg-shell.xml
@@ -364,6 +364,11 @@
 	about how its surface should be resized in window geometry
 	coordinates. See set_window_geometry.
+	If the width or height arguments are zero, it means the client
+	should decide its own window dimension. This may happen when the
+	compositor need to configure the state of the surface but doesn't
+	have any information about any previous or expected dimension.
 	The states listed in the event specify how the width/height
 	arguments should be interpreted, and possibly how it should be

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