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xdg-shell: don't destroy xdg role state on role destroy

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ie. don't destroy surface->toplevel on xdg_toplevel destroy. Instead do this on
xdg_surface destroy.

This allows compositors to add toplevel listeners when the surface appears and
remove them when the surface is destroyed.
This commit is contained in:
emersion 2018-11-12 19:37:22 +01:00
parent 3181c4bec0
commit 95dfbe2962
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GPG key ID: 0FDE7BE0E88F5E48
3 changed files with 71 additions and 41 deletions
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32
types/xdg_shell/wlr_xdg_popup.c
View file

@ -234,11 +234,21 @@ void create_xdg_popup(struct wlr_xdg_surface *xdg_surface,
return;
}
if (xdg_surface->role != WLR_XDG_SURFACE_ROLE_NONE) {
wl_resource_post_error(xdg_surface->resource,
XDG_SURFACE_ERROR_ALREADY_CONSTRUCTED,
"xdg-surface has already been constructed");
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->client->client, &xdg_popup_interface,
@ -253,7 +263,6 @@ void create_xdg_popup(struct wlr_xdg_surface *xdg_surface,
xdg_popup_handle_resource_destroy);
xdg_surface->role = WLR_XDG_SURFACE_ROLE_POPUP;
xdg_surface->popup->base = xdg_surface;
// positioner properties
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;
wl_list_insert(&parent->popups, &xdg_surface->popup->link);
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) {
assert(surface->role == WLR_XDG_SURFACE_ROLE_POPUP);
unmap_xdg_surface(surface);
void destroy_xdg_popup(struct wlr_xdg_surface *xdg_surface) {
assert(xdg_surface->role == WLR_XDG_SURFACE_ROLE_POPUP);
unmap_xdg_surface(xdg_surface);
wl_resource_set_user_data(surface->popup->resource, NULL);
wl_list_remove(&surface->popup->link);
free(surface->popup);
surface->popup = NULL;
// Don't destroy the popup state yet, the compositor might have some
// listeners set up. Anyway the client can only re-create another xdg-popup
// with this xdg-surface because of role restrictions.
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,

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));
}
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,
struct wl_resource *resource, uint32_t serial) {
@ -476,6 +464,12 @@ void destroy_xdg_surface(struct wlr_xdg_surface *surface) {
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);
surface->surface->role_data = NULL;
wl_list_remove(&surface->link);

32
types/xdg_shell/wlr_xdg_toplevel.c
View file

@ -462,6 +462,14 @@ void create_xdg_toplevel(struct wlr_xdg_surface *xdg_surface,
return;
}
if (xdg_surface->role != WLR_XDG_SURFACE_ROLE_NONE) {
wl_resource_post_error(xdg_surface->resource,
XDG_SURFACE_ERROR_ALREADY_CONSTRUCTED,
"xdg-surface has already been constructed");
return;
}
if (xdg_surface->toplevel == NULL) {
xdg_surface->toplevel = calloc(1, sizeof(struct wlr_xdg_toplevel));
if (xdg_surface->toplevel == NULL) {
wl_resource_post_no_memory(xdg_surface->resource);
@ -477,22 +485,36 @@ void create_xdg_toplevel(struct wlr_xdg_surface *xdg_surface,
wl_signal_init(&xdg_surface->toplevel->events.set_title);
wl_signal_init(&xdg_surface->toplevel->events.set_app_id);
xdg_surface->role = WLR_XDG_SURFACE_ROLE_TOPLEVEL;
xdg_surface->toplevel->base = xdg_surface;
}
struct wl_resource *toplevel_resource = wl_resource_create(
xdg_surface->role = WLR_XDG_SURFACE_ROLE_TOPLEVEL;
assert(xdg_surface->toplevel->resource == NULL);
xdg_surface->toplevel->resource = wl_resource_create(
xdg_surface->client->client, &xdg_toplevel_interface,
wl_resource_get_version(xdg_surface->resource), id);
if (toplevel_resource == NULL) {
if (xdg_surface->toplevel->resource == NULL) {
free(xdg_surface->toplevel);
wl_resource_post_no_memory(xdg_surface->resource);
return;
}
wl_resource_set_implementation(toplevel_resource,
wl_resource_set_implementation(xdg_surface->toplevel->resource,
&xdg_toplevel_implementation, xdg_surface,
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,