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shell: forbid multiple wl_shell_surface objects

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Do not allow multiple wl_shell_surface objects to be created for a
wl_surface object.

Multiple shell_surface objects would confuse the compositor as they
contain separate instances of the shell-private data.

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
This commit is contained in:
Pekka Paalanen 2011-11-29 16:05:28 +02:00 committed by Kristian Høgsberg
parent 4622967586
commit f32f1fc743
1 changed files with 7 additions and 0 deletions
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7
compositor/shell.c
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@ -410,6 +410,13 @@ shell_get_shell_surface(struct wl_client *client,
struct wlsc_surface *surface = surface_resource->data;
struct shell_surface *shsurf;
if (get_shell_surface(surface)) {
wl_resource_post_error(surface_resource,
WL_DISPLAY_ERROR_INVALID_OBJECT,
"wl_shell::get_shell_surface already requested");
return;
}
shsurf = calloc(1, sizeof *shsurf);
if (!shsurf) {
wl_resource_post_no_memory(resource);