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Merge pull request #834 from emersion/surface-is-subsurface

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Add wlr_surface_is_subsurface and wlr_subsurface_from_surface
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emersion 2018-04-05 14:16:45 -04:00 • committed by GitHub
commit 19b576734e
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2 changed files with 21 additions and 1 deletions
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6
include/wlr/types/wlr_compositor.h
View file

@ -4,6 +4,8 @@
#include <wayland-server.h>
#include <wlr/render/wlr_renderer.h>
struct wlr_surface;
struct wlr_compositor {
struct wl_global *wl_global;
struct wl_list wl_resources;
@ -22,4 +24,8 @@ void wlr_compositor_destroy(struct wlr_compositor *wlr_compositor);
struct wlr_compositor *wlr_compositor_create(struct wl_display *display,
struct wlr_renderer *renderer);
bool wlr_surface_is_subsurface(struct wlr_surface *surface);
struct wlr_subsurface *wlr_subsurface_from_surface(struct wlr_surface *surface);
#endif

16
types/wlr_compositor.c
View file

@ -7,6 +7,18 @@
#include <wlr/util/log.h>
#include "util/signal.h"
static const char *subsurface_role = "wl_subsurface";
bool wlr_surface_is_subsurface(struct wlr_surface *surface) {
return strcmp(surface->role, subsurface_role) == 0;
}
struct wlr_subsurface *wlr_subsurface_from_surface(
struct wlr_surface *surface) {
assert(wlr_surface_is_subsurface(surface));
return (struct wlr_subsurface *)surface->role_data;
}
static const struct wl_compositor_interface wl_compositor_impl;
static struct wlr_compositor *compositor_from_resource(struct wl_resource *resource) {
@ -134,7 +146,7 @@ static void subcompositor_get_subsurface(struct wl_client *client,
return;
}
if (wlr_surface_set_role(surface, "wl_subsurface", resource,
if (wlr_surface_set_role(surface, subsurface_role, resource,
WL_SUBCOMPOSITOR_ERROR_BAD_SURFACE) < 0) {
return;
}
@ -144,6 +156,8 @@ static void subcompositor_get_subsurface(struct wl_client *client,
wl_resource_post_no_memory(resource);
return;
}
surface->role_data = surface->subsurface;
}