xdg-shell: destroy child popups on unmap

It doesn't make sense to keep popups opened when unmapped. We also need to do
so in wlr_xdg_popup_destroy so that popups are destroyed in the correct order.

include/types/wlr_xdg_shell.h

@@ -33,7 +33,6 @@ void create_xdg_popup(struct wlr_xdg_surface *xdg_surface,
 void handle_xdg_surface_popup_committed(struct wlr_xdg_surface *surface);
 struct wlr_xdg_popup_grab *get_xdg_shell_popup_grab_from_seat(
 	struct wlr_xdg_shell *shell, struct wlr_seat *seat);
-void destroy_xdg_popup(struct wlr_xdg_surface *surface);
 
 void create_xdg_toplevel(struct wlr_xdg_surface *xdg_surface,
 	uint32_t id);

types/xdg_shell/wlr_xdg_popup.c

@@ -210,9 +210,12 @@ static const struct xdg_popup_interface xdg_popup_implementation = {
 };
 
 static void xdg_popup_handle_resource_destroy(struct wl_resource *resource) {
-	struct wlr_xdg_surface *surface =
+	struct wlr_xdg_surface *xdg_surface =
 		wlr_xdg_surface_from_popup_resource(resource);
-	destroy_xdg_popup(surface);
+	if (xdg_surface == NULL) {
+		return;
+	}
+	wlr_xdg_popup_destroy(xdg_surface);
 }
 
 const struct wlr_surface_role xdg_popup_surface_role = {
@@ -281,15 +284,6 @@ void create_xdg_popup(struct wlr_xdg_surface *xdg_surface,
 	}
 }
 
-void destroy_xdg_popup(struct wlr_xdg_surface *xdg_surface) {
-	if (xdg_surface == NULL) {
-		return;
-	}
-	assert(xdg_surface->role == WLR_XDG_SURFACE_ROLE_POPUP ||
-		xdg_surface->role == WLR_XDG_SURFACE_ROLE_NONE);
-	reset_xdg_surface(xdg_surface);
-}
-
 void wlr_xdg_popup_get_anchor_point(struct wlr_xdg_popup *popup,
 		int *root_sx, int *root_sy) {
 	struct wlr_box rect = popup->positioner.anchor_rect;

types/xdg_shell/wlr_xdg_surface.c

@@ -29,6 +29,11 @@ static void xdg_surface_configure_destroy(
 void unmap_xdg_surface(struct wlr_xdg_surface *surface) {
 	assert(surface->role != WLR_XDG_SURFACE_ROLE_NONE);
 
+	struct wlr_xdg_popup *popup, *popup_tmp;
+	wl_list_for_each_safe(popup, popup_tmp, &surface->popups, link) {
+		wlr_xdg_popup_destroy(popup->base);
+	}
+
 	// TODO: probably need to ungrab before this event
 	if (surface->mapped) {
 		wlr_signal_emit_safe(&surface->events.unmap, surface);
@@ -477,12 +482,6 @@ void reset_xdg_surface(struct wlr_xdg_surface *xdg_surface) {
 void destroy_xdg_surface(struct wlr_xdg_surface *surface) {
 	reset_xdg_surface(surface);
 
-	struct wlr_xdg_popup *popup_state, *next;
-	wl_list_for_each_safe(popup_state, next, &surface->popups, link) {
-		xdg_popup_send_popup_done(popup_state->resource);
-		destroy_xdg_popup(popup_state->base);
-	}
-
 	wl_resource_set_user_data(surface->resource, NULL);
 	surface->surface->role_data = NULL;
 
@@ -529,9 +528,15 @@ void wlr_xdg_popup_destroy(struct wlr_xdg_surface *surface) {
 	}
 	assert(surface->popup);
 	assert(surface->role == WLR_XDG_SURFACE_ROLE_POPUP);
+
+	struct wlr_xdg_popup *popup, *popup_tmp;
+	wl_list_for_each_safe(popup, popup_tmp, &surface->popups, link) {
+		wlr_xdg_popup_destroy(popup->base);
+	}
+
 	xdg_popup_send_popup_done(surface->popup->resource);
 	wl_resource_set_user_data(surface->popup->resource, NULL);
-	destroy_xdg_popup(surface);
+	reset_xdg_surface(surface);
 }
 
 static void xdg_popup_get_position(struct wlr_xdg_popup *popup,