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wayland/xdg-shell: Handle requests after toplevel was unmanaged
A window can be unmanaged without asking the client to do it, for example as a side effect of a parent window being unmanaged, if the child window was a attached dialog. This means that the client might still make requests post updates to it after that it was unmapped. Handle this gracefully by NULL-checking the surface's MetaWindow pointer. We're not loosing any state due to this, as if the client wants to map the same surface again, it needs to either reassign it the toplevel role, or reset the xdg-toplevel, both resulting in all state being lost anyway. https://gitlab.gnome.org/GNOME/mutter/issues/240
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@ -191,6 +191,11 @@ xdg_toplevel_set_parent (struct wl_client *client,
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{
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MetaWaylandSurface *surface = surface_from_xdg_toplevel_resource (resource);
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MetaWindow *transient_for = NULL;
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MetaWindow *window;
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window = surface->window;
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if (!window)
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return;
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if (parent_resource)
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{
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@ -200,7 +205,7 @@ xdg_toplevel_set_parent (struct wl_client *client,
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transient_for = parent_surface->window;
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}
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meta_window_set_transient_for (surface->window, transient_for);
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meta_window_set_transient_for (window, transient_for);
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}
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static void
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@ -209,11 +214,16 @@ xdg_toplevel_set_title (struct wl_client *client,
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const char *title)
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{
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MetaWaylandSurface *surface = surface_from_xdg_toplevel_resource (resource);
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MetaWindow *window;
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window = surface->window;
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if (!window)
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return;
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if (!g_utf8_validate (title, -1, NULL))
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title = "";
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meta_window_set_title (surface->window, title);
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meta_window_set_title (window, title);
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}
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static void
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@ -222,11 +232,16 @@ xdg_toplevel_set_app_id (struct wl_client *client,
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const char *app_id)
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{
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MetaWaylandSurface *surface = surface_from_xdg_toplevel_resource (resource);
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MetaWindow *window;
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window = surface->window;
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if (!window)
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return;
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if (!g_utf8_validate (app_id, -1, NULL))
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app_id = "";
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meta_window_set_wm_class (surface->window, app_id, app_id);
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meta_window_set_wm_class (window, app_id, app_id);
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}
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static void
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@ -239,15 +254,20 @@ xdg_toplevel_show_window_menu (struct wl_client *client,
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{
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MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource);
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MetaWaylandSurface *surface = surface_from_xdg_toplevel_resource (resource);
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MetaWindow *window;
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int monitor_scale;
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window = surface->window;
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if (!window)
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return;
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if (!meta_wayland_seat_get_grab_info (seat, surface, serial, FALSE, NULL, NULL))
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return;
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monitor_scale = surface->window->monitor->scale;
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meta_window_show_menu (surface->window, META_WINDOW_MENU_WM,
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surface->window->buffer_rect.x + (x * monitor_scale),
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surface->window->buffer_rect.y + (y * monitor_scale));
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monitor_scale = window->monitor->scale;
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meta_window_show_menu (window, META_WINDOW_MENU_WM,
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window->buffer_rect.x + (x * monitor_scale),
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window->buffer_rect.y + (y * monitor_scale));
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}
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static void
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@ -258,8 +278,13 @@ xdg_toplevel_move (struct wl_client *client,
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{
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MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource);
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MetaWaylandSurface *surface = surface_from_xdg_toplevel_resource (resource);
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MetaWindow *window;
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float x, y;
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window = surface->window;
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if (!window)
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return;
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if (!meta_wayland_seat_get_grab_info (seat, surface, serial, TRUE, &x, &y))
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return;
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@ -298,9 +323,14 @@ xdg_toplevel_resize (struct wl_client *client,
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{
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MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource);
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MetaWaylandSurface *surface = surface_from_xdg_toplevel_resource (resource);
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MetaWindow *window;
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gfloat x, y;
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MetaGrabOp grab_op;
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window = surface->window;
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if (!window)
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return;
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if (!meta_wayland_seat_get_grab_info (seat, surface, serial, TRUE, &x, &y))
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return;
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@ -357,7 +387,11 @@ xdg_toplevel_set_maximized (struct wl_client *client,
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struct wl_resource *resource)
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{
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MetaWaylandSurface *surface = surface_from_xdg_toplevel_resource (resource);
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MetaWindow *window = surface->window;
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MetaWindow *window;
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window = surface->window;
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if (!window)
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return;
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meta_window_force_placement (window, TRUE);
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meta_window_maximize (window, META_MAXIMIZE_BOTH);
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@ -368,8 +402,13 @@ xdg_toplevel_unset_maximized (struct wl_client *client,
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struct wl_resource *resource)
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{
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MetaWaylandSurface *surface = surface_from_xdg_toplevel_resource (resource);
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MetaWindow *window;
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meta_window_unmaximize (surface->window, META_MAXIMIZE_BOTH);
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window = surface->window;
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if (!window)
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return;
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meta_window_unmaximize (window, META_MAXIMIZE_BOTH);
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}
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static void
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@ -378,6 +417,11 @@ xdg_toplevel_set_fullscreen (struct wl_client *client,
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struct wl_resource *output_resource)
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{
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MetaWaylandSurface *surface = surface_from_xdg_toplevel_resource (resource);
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MetaWindow *window;
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window = surface->window;
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if (!window)
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return;
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if (output_resource)
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{
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@ -385,12 +429,12 @@ xdg_toplevel_set_fullscreen (struct wl_client *client,
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if (output)
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{
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meta_window_move_to_monitor (surface->window,
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meta_window_move_to_monitor (window,
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output->logical_monitor->number);
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}
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}
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meta_window_make_fullscreen (surface->window);
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meta_window_make_fullscreen (window);
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}
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static void
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@ -398,8 +442,13 @@ xdg_toplevel_unset_fullscreen (struct wl_client *client,
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struct wl_resource *resource)
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{
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MetaWaylandSurface *surface = surface_from_xdg_toplevel_resource (resource);
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MetaWindow *window;
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meta_window_unmake_fullscreen (surface->window);
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window = surface->window;
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if (!window)
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return;
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meta_window_unmake_fullscreen (window);
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}
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static void
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@ -407,8 +456,13 @@ xdg_toplevel_set_minimized (struct wl_client *client,
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struct wl_resource *resource)
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{
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MetaWaylandSurface *surface = surface_from_xdg_toplevel_resource (resource);
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MetaWindow *window;
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meta_window_minimize (surface->window);
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window = surface->window;
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if (!window)
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return;
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meta_window_minimize (window);
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}
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static const struct xdg_toplevel_interface meta_wayland_xdg_toplevel_interface = {
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