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xdg-popup: validate positioner on reposition request

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This commit is contained in:
Kirill Primak 2024-06-11 11:37:41 +03:00
parent e7deea44fd
commit 1e58e4006d
3 changed files with 20 additions and 8 deletions
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5
include/wlr/types/wlr_xdg_shell.h
View File

@ -446,6 +446,11 @@ void wlr_xdg_popup_destroy(struct wlr_xdg_popup *popup);
void wlr_xdg_popup_get_position(struct wlr_xdg_popup *popup,
double *popup_sx, double *popup_sy);
/**
* Returns true if a positioner is complete.
*/
bool wlr_xdg_positioner_is_complete(struct wlr_xdg_positioner *positioner);
/**
* Get the geometry based on positioner rules.
*/

18
types/xdg_shell/wlr_xdg_popup.c
View File

@ -317,8 +317,13 @@ static void xdg_popup_handle_reposition(
return;
}
struct wlr_xdg_positioner *positioner =
wlr_xdg_positioner_from_resource(positioner_resource);
struct wlr_xdg_positioner *positioner = wlr_xdg_positioner_from_resource(positioner_resource);
if (!wlr_xdg_positioner_is_complete(positioner)) {
wl_resource_post_error(popup->base->client->resource,
XDG_WM_BASE_ERROR_INVALID_POSITIONER, "positioner object is not complete");
return;
}
wlr_xdg_positioner_rules_get_geometry(
&positioner->rules, &popup->scheduled.geometry);
popup->scheduled.rules = positioner->rules;
@ -365,14 +370,11 @@ static void xdg_popup_handle_resource_destroy(struct wl_resource *resource) {
wlr_xdg_popup_destroy(popup);
}
void create_xdg_popup(struct wlr_xdg_surface *surface,
struct wlr_xdg_surface *parent,
void create_xdg_popup(struct wlr_xdg_surface *surface, struct wlr_xdg_surface *parent,
struct wlr_xdg_positioner *positioner, uint32_t id) {
if (positioner->rules.size.width == 0 ||
positioner->rules.anchor_rect.width == 0) {
if (!wlr_xdg_positioner_is_complete(positioner)) {
wl_resource_post_error(surface->client->resource,
XDG_WM_BASE_ERROR_INVALID_POSITIONER,
"positioner object is not complete");
XDG_WM_BASE_ERROR_INVALID_POSITIONER, "positioner object is not complete");
return;
}

5
types/xdg_shell/wlr_xdg_positioner.c
View File

@ -203,6 +203,11 @@ static uint32_t xdg_positioner_gravity_to_wlr_edges(
return xdg_positioner_anchor_to_wlr_edges((enum xdg_positioner_anchor)gravity);
}
bool wlr_xdg_positioner_is_complete(struct wlr_xdg_positioner *positioner) {
struct wlr_xdg_positioner_rules *rules = &positioner->rules;
return rules->size.width > 0 && rules->anchor_rect.width > 0;
}
void wlr_xdg_positioner_rules_get_geometry(
const struct wlr_xdg_positioner_rules *rules, struct wlr_box *box) {
box->x = rules->offset.x;