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Merge pull request #1373 from emersion/fix-teardown-segfaults

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xdg-shell: don't destroy xdg role state on role destroy
This commit is contained in:
Drew DeVault 2018-11-12 16:15:36 -05:00 committed by GitHub
commit 4aff85cc8e
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 71 additions and 41 deletions
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38
types/xdg_shell/wlr_xdg_popup.c
View file

@ -234,12 +234,22 @@ void create_xdg_popup(struct wlr_xdg_surface *xdg_surface,
return; return;
} }
xdg_surface->popup = calloc(1, sizeof(struct wlr_xdg_popup)); if (xdg_surface->role != WLR_XDG_SURFACE_ROLE_NONE) {
if (!xdg_surface->popup) { wl_resource_post_error(xdg_surface->resource,
wl_resource_post_no_memory(xdg_surface->resource); XDG_SURFACE_ERROR_ALREADY_CONSTRUCTED,
"xdg-surface has already been constructed");
return; return;
} }
if (xdg_surface->popup == NULL) {
xdg_surface->popup = calloc(1, sizeof(struct wlr_xdg_popup));
if (!xdg_surface->popup) {
wl_resource_post_no_memory(xdg_surface->resource);
return;
}
xdg_surface->popup->base = xdg_surface;
}
xdg_surface->popup->resource = wl_resource_create( xdg_surface->popup->resource = wl_resource_create(
xdg_surface->client->client, &xdg_popup_interface, xdg_surface->client->client, &xdg_popup_interface,
wl_resource_get_version(xdg_surface->resource), id); wl_resource_get_version(xdg_surface->resource), id);
@ -253,7 +263,6 @@ void create_xdg_popup(struct wlr_xdg_surface *xdg_surface,
xdg_popup_handle_resource_destroy); xdg_popup_handle_resource_destroy);
xdg_surface->role = WLR_XDG_SURFACE_ROLE_POPUP; xdg_surface->role = WLR_XDG_SURFACE_ROLE_POPUP;
xdg_surface->popup->base = xdg_surface;
// positioner properties // positioner properties
memcpy(&xdg_surface->popup->positioner, &positioner->attrs, memcpy(&xdg_surface->popup->positioner, &positioner->attrs,
@ -265,19 +274,24 @@ void create_xdg_popup(struct wlr_xdg_surface *xdg_surface,
xdg_surface->popup->parent = parent->surface; xdg_surface->popup->parent = parent->surface;
wl_list_insert(&parent->popups, &xdg_surface->popup->link); wl_list_insert(&parent->popups, &xdg_surface->popup->link);
wlr_signal_emit_safe(&parent->events.new_popup, xdg_surface->popup); wlr_signal_emit_safe(&parent->events.new_popup, xdg_surface->popup);
} else {
wl_list_init(&xdg_surface->popup->link);
} }
} }
void destroy_xdg_popup(struct wlr_xdg_surface *surface) { void destroy_xdg_popup(struct wlr_xdg_surface *xdg_surface) {
assert(surface->role == WLR_XDG_SURFACE_ROLE_POPUP); assert(xdg_surface->role == WLR_XDG_SURFACE_ROLE_POPUP);
unmap_xdg_surface(surface); unmap_xdg_surface(xdg_surface);
wl_resource_set_user_data(surface->popup->resource, NULL); // Don't destroy the popup state yet, the compositor might have some
wl_list_remove(&surface->popup->link); // listeners set up. Anyway the client can only re-create another xdg-popup
free(surface->popup); // with this xdg-surface because of role restrictions.
surface->popup = NULL; wl_resource_set_user_data(xdg_surface->popup->resource, NULL);
xdg_surface->toplevel->resource = NULL;
surface->role = WLR_XDG_SURFACE_ROLE_NONE; wl_list_remove(&xdg_surface->popup->link);
xdg_surface->role = WLR_XDG_SURFACE_ROLE_NONE;
} }
void wlr_xdg_popup_get_anchor_point(struct wlr_xdg_popup *popup, void wlr_xdg_popup_get_anchor_point(struct wlr_xdg_popup *popup,

18
types/xdg_shell/wlr_xdg_surface.c
View file

@ -83,18 +83,6 @@ void unmap_xdg_surface(struct wlr_xdg_surface *surface) {
memset(&surface->next_geometry, 0, sizeof(struct wlr_box)); memset(&surface->next_geometry, 0, sizeof(struct wlr_box));
} }
void destroy_xdg_toplevel(struct wlr_xdg_surface *surface) {
assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL);
unmap_xdg_surface(surface);
wl_resource_set_user_data(surface->toplevel->resource, NULL);
free(surface->toplevel);
surface->toplevel = NULL;
surface->role = WLR_XDG_SURFACE_ROLE_NONE;
}
static void xdg_surface_handle_ack_configure(struct wl_client *client, static void xdg_surface_handle_ack_configure(struct wl_client *client,
struct wl_resource *resource, uint32_t serial) { struct wl_resource *resource, uint32_t serial) {
@ -476,6 +464,12 @@ void destroy_xdg_surface(struct wlr_xdg_surface *surface) {
break; break;
} }
if (surface->surface->role == &xdg_toplevel_surface_role) {
free(surface->toplevel);
} else if (surface->surface->role == &xdg_popup_surface_role) {
free(surface->popup);
}
wl_resource_set_user_data(surface->resource, NULL); wl_resource_set_user_data(surface->resource, NULL);
surface->surface->role_data = NULL; surface->surface->role_data = NULL;
wl_list_remove(&surface->link); wl_list_remove(&surface->link);

56
types/xdg_shell/wlr_xdg_toplevel.c
View file

@ -462,37 +462,59 @@ void create_xdg_toplevel(struct wlr_xdg_surface *xdg_surface,
return; return;
} }
xdg_surface->toplevel = calloc(1, sizeof(struct wlr_xdg_toplevel)); if (xdg_surface->role != WLR_XDG_SURFACE_ROLE_NONE) {
if (xdg_surface->toplevel == NULL) { wl_resource_post_error(xdg_surface->resource,
wl_resource_post_no_memory(xdg_surface->resource); XDG_SURFACE_ERROR_ALREADY_CONSTRUCTED,
"xdg-surface has already been constructed");
return; return;
} }
wl_signal_init(&xdg_surface->toplevel->events.request_maximize);
wl_signal_init(&xdg_surface->toplevel->events.request_fullscreen); if (xdg_surface->toplevel == NULL) {
wl_signal_init(&xdg_surface->toplevel->events.request_minimize); xdg_surface->toplevel = calloc(1, sizeof(struct wlr_xdg_toplevel));
wl_signal_init(&xdg_surface->toplevel->events.request_move); if (xdg_surface->toplevel == NULL) {
wl_signal_init(&xdg_surface->toplevel->events.request_resize); wl_resource_post_no_memory(xdg_surface->resource);
wl_signal_init(&xdg_surface->toplevel->events.request_show_window_menu); return;
wl_signal_init(&xdg_surface->toplevel->events.set_parent); }
wl_signal_init(&xdg_surface->toplevel->events.set_title); wl_signal_init(&xdg_surface->toplevel->events.request_maximize);
wl_signal_init(&xdg_surface->toplevel->events.set_app_id); wl_signal_init(&xdg_surface->toplevel->events.request_fullscreen);
wl_signal_init(&xdg_surface->toplevel->events.request_minimize);
wl_signal_init(&xdg_surface->toplevel->events.request_move);
wl_signal_init(&xdg_surface->toplevel->events.request_resize);
wl_signal_init(&xdg_surface->toplevel->events.request_show_window_menu);
wl_signal_init(&xdg_surface->toplevel->events.set_parent);
wl_signal_init(&xdg_surface->toplevel->events.set_title);
wl_signal_init(&xdg_surface->toplevel->events.set_app_id);
xdg_surface->toplevel->base = xdg_surface;
}
xdg_surface->role = WLR_XDG_SURFACE_ROLE_TOPLEVEL; xdg_surface->role = WLR_XDG_SURFACE_ROLE_TOPLEVEL;
xdg_surface->toplevel->base = xdg_surface;
struct wl_resource *toplevel_resource = wl_resource_create( assert(xdg_surface->toplevel->resource == NULL);
xdg_surface->toplevel->resource = wl_resource_create(
xdg_surface->client->client, &xdg_toplevel_interface, xdg_surface->client->client, &xdg_toplevel_interface,
wl_resource_get_version(xdg_surface->resource), id); wl_resource_get_version(xdg_surface->resource), id);
if (toplevel_resource == NULL) { if (xdg_surface->toplevel->resource == NULL) {
free(xdg_surface->toplevel); free(xdg_surface->toplevel);
wl_resource_post_no_memory(xdg_surface->resource); wl_resource_post_no_memory(xdg_surface->resource);
return; return;
} }
wl_resource_set_implementation(toplevel_resource, wl_resource_set_implementation(xdg_surface->toplevel->resource,
&xdg_toplevel_implementation, xdg_surface, &xdg_toplevel_implementation, xdg_surface,
xdg_toplevel_handle_resource_destroy); xdg_toplevel_handle_resource_destroy);
}
xdg_surface->toplevel->resource = toplevel_resource; void destroy_xdg_toplevel(struct wlr_xdg_surface *xdg_surface) {
assert(xdg_surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL);
unmap_xdg_surface(xdg_surface);
// Don't destroy the toplevel state yet, the compositor might have some
// listeners set up. Anyway the client can only re-create another
// xdg-toplevel with this xdg-surface because of role restrictions.
wl_resource_set_user_data(xdg_surface->toplevel->resource, NULL);
xdg_surface->toplevel->resource = NULL;
xdg_surface->role = WLR_XDG_SURFACE_ROLE_NONE;
} }
uint32_t wlr_xdg_toplevel_set_size(struct wlr_xdg_surface *surface, uint32_t wlr_xdg_toplevel_set_size(struct wlr_xdg_surface *surface,