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Don't assume xdg_surface.{toplevel,popup} is non-NULL

Browse source 
This assumption will become incorrect with future commits.
This commit is contained in:
Kirill Primak 2023-07-26 10:50:09 +03:00 committed by Simon Ser
parent f0cc712af1
commit 10ba8ebc70
4 changed files with 44 additions and 20 deletions
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4
tinywl/tinywl.c
View file

@ -122,7 +122,9 @@ static void focus_view(struct tinywl_view *view, struct wlr_surface *surface) {
struct wlr_xdg_surface *previous =
wlr_xdg_surface_try_from_wlr_surface(seat->keyboard_state.focused_surface);
assert(previous != NULL && previous->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL);
wlr_xdg_toplevel_set_activated(previous->toplevel, false);
if (previous->toplevel != NULL) {
wlr_xdg_toplevel_set_activated(previous->toplevel, false);
}
}
struct wlr_keyboard *keyboard = wlr_seat_get_keyboard(seat);
/* Move the view to the front */

6
types/scene/xdg_shell.c
View file

@ -59,8 +59,10 @@ static void scene_xdg_surface_update_position(
if (xdg_surface->role == WLR_XDG_SURFACE_ROLE_POPUP) {
struct wlr_xdg_popup *popup = xdg_surface->popup;
wlr_scene_node_set_position(&scene_xdg_surface->tree->node,
popup->current.geometry.x, popup->current.geometry.y);
if (popup != NULL) {
wlr_scene_node_set_position(&scene_xdg_surface->tree->node,
popup->current.geometry.x, popup->current.geometry.y);
}
}
}

2
types/xdg_shell/wlr_xdg_popup.c
View file

@ -485,7 +485,7 @@ void wlr_xdg_popup_get_toplevel_coords(struct wlr_xdg_popup *popup,
struct wlr_surface *parent = popup->parent;
struct wlr_xdg_surface *xdg_surface;
while ((xdg_surface = wlr_xdg_surface_try_from_wlr_surface(parent))) {
if (xdg_surface->role == WLR_XDG_SURFACE_ROLE_POPUP) {
if (xdg_surface->role == WLR_XDG_SURFACE_ROLE_POPUP && xdg_surface->popup != NULL) {
popup_sx += xdg_surface->popup->current.geometry.x;
popup_sy += xdg_surface->popup->current.geometry.y;
parent = xdg_surface->popup->parent;

52
types/xdg_shell/wlr_xdg_surface.c
View file

@ -37,10 +37,14 @@ static void reset_xdg_surface(struct wlr_xdg_surface *surface) {
switch (surface->role) {
case WLR_XDG_SURFACE_ROLE_TOPLEVEL:
reset_xdg_toplevel(surface->toplevel);
if (surface->toplevel != NULL) {
reset_xdg_toplevel(surface->toplevel);
}
break;
case WLR_XDG_SURFACE_ROLE_POPUP:
reset_xdg_popup(surface->popup);
if (surface->popup != NULL) {
reset_xdg_popup(surface->popup);
}
break;
case WLR_XDG_SURFACE_ROLE_NONE:
break;
@ -100,12 +104,16 @@ static void xdg_surface_handle_ack_configure(struct wl_client *client,
assert(0 && "not reached");
break;
case WLR_XDG_SURFACE_ROLE_TOPLEVEL:
handle_xdg_toplevel_ack_configure(surface->toplevel,
configure->toplevel_configure);
if (surface->toplevel != NULL) {
handle_xdg_toplevel_ack_configure(surface->toplevel,
configure->toplevel_configure);
}
break;
case WLR_XDG_SURFACE_ROLE_POPUP:
handle_xdg_popup_ack_configure(surface->popup,
configure->popup_configure);
if (surface->popup != NULL) {
handle_xdg_popup_ack_configure(surface->popup,
configure->popup_configure);
}
break;
}
@ -137,12 +145,16 @@ static void surface_send_configure(void *user_data) {
assert(0 && "not reached");
break;
case WLR_XDG_SURFACE_ROLE_TOPLEVEL:
configure->toplevel_configure =
send_xdg_toplevel_configure(surface->toplevel);
if (surface->toplevel != NULL) {
configure->toplevel_configure =
send_xdg_toplevel_configure(surface->toplevel);
}
break;
case WLR_XDG_SURFACE_ROLE_POPUP:
configure->popup_configure =
send_xdg_popup_configure(surface->popup);
if (surface->popup != NULL) {
configure->popup_configure =
send_xdg_popup_configure(surface->popup);
}
break;
}
@ -288,10 +300,14 @@ void xdg_surface_role_commit(struct wlr_surface *wlr_surface) {
// inert toplevel or popup
return;
case WLR_XDG_SURFACE_ROLE_TOPLEVEL:
handle_xdg_toplevel_committed(surface->toplevel);
if (surface->toplevel != NULL) {
handle_xdg_toplevel_committed(surface->toplevel);
}
break;
case WLR_XDG_SURFACE_ROLE_POPUP:
handle_xdg_popup_committed(surface->popup);
if (surface->popup != NULL) {
handle_xdg_popup_committed(surface->popup);
}
break;
}
@ -391,12 +407,16 @@ void destroy_xdg_surface_role_object(struct wlr_xdg_surface *surface) {
switch (surface->role) {
case WLR_XDG_SURFACE_ROLE_TOPLEVEL:
destroy_xdg_toplevel(surface->toplevel);
surface->toplevel = NULL;
if (surface->toplevel != NULL) {
destroy_xdg_toplevel(surface->toplevel);
surface->toplevel = NULL;
}
break;
case WLR_XDG_SURFACE_ROLE_POPUP:
destroy_xdg_popup(surface->popup);
surface->popup = NULL;
if (surface->popup != NULL) {
destroy_xdg_popup(surface->popup);
surface->popup = NULL;
}
break;
case WLR_XDG_SURFACE_ROLE_NONE:
// This space is intentionally left blank