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wayland: Clean up wl_shell_surface popup management

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The wl_surface_shell protocol allows changing the popup parent, so lets
deal with the possibility that it may happen.

https://bugzilla.gnome.org/show_bug.cgi?id=763431
This commit is contained in:
Jonas Ådahl 2016-03-09 15:27:40 +08:00
parent 7fd585fe98
commit b3ba8e897e
1 changed files with 48 additions and 7 deletions
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47
src/wayland/meta-wayland-wl-shell.c
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@ -27,6 +27,7 @@
#include "core/window-private.h"
#include "wayland/meta-wayland.h"
#include "wayland/meta-wayland-popup.h"
#include "wayland/meta-wayland-private.h"
#include "wayland/meta-wayland-seat.h"
#include "wayland/meta-wayland-surface.h"
@ -58,6 +59,20 @@ wl_shell_surface_destructor (struct wl_resource *resource)
meta_wayland_compositor_destroy_frame_callbacks (surface->compositor,
surface);
surface->wl_shell_surface = NULL;
if (surface->popup.popup)
{
wl_list_remove (&surface->popup.parent_destroy_listener.link);
surface->popup.parent = NULL;
meta_wayland_popup_dismiss (surface->popup.popup);
}
if (surface->popup.parent)
{
wl_list_remove (&surface->popup.parent_destroy_listener.link);
surface->popup.parent = NULL;
}
}
static void
@ -197,6 +212,16 @@ handle_wl_shell_popup_parent_destroyed (struct wl_listener *listener,
surface->popup.parent = NULL;
}
static void
handle_wl_shell_popup_destroyed (struct wl_listener *listener,
void *data)
{
MetaWaylandSurface *surface =
wl_container_of (listener, surface, popup.destroy_listener);
surface->popup.popup = NULL;
}
static void
wl_shell_surface_set_popup (struct wl_client *client,
struct wl_resource *resource,
@ -210,6 +235,15 @@ wl_shell_surface_set_popup (struct wl_client *client,
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
MetaWaylandSurface *parent_surf = wl_resource_get_user_data (parent_resource);
MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource);
MetaWaylandPopup *popup;
if (surface->popup.popup)
{
surface->popup.parent = NULL;
wl_list_remove (&surface->popup.parent_destroy_listener.link);
meta_wayland_popup_dismiss (surface->popup.popup);
}
wl_shell_surface_set_state (surface,
META_WL_SHELL_SURFACE_STATE_TOPLEVEL);
@ -225,16 +259,23 @@ wl_shell_surface_set_popup (struct wl_client *client,
parent_surf->window,
x, y);
if (!surface->popup.parent)
{
surface->popup.parent = parent_surf;
surface->popup.parent_destroy_listener.notify =
handle_wl_shell_popup_parent_destroyed;
wl_resource_add_destroy_listener (parent_surf->resource,
&surface->popup.parent_destroy_listener);
popup = meta_wayland_pointer_start_popup_grab (&seat->pointer, surface);
if (!popup)
{
wl_shell_surface_send_popup_done (resource);
return;
}
meta_wayland_pointer_start_popup_grab (&seat->pointer, surface);
surface->popup.popup = popup;
surface->popup.destroy_listener.notify = handle_wl_shell_popup_destroyed;
wl_signal_add (meta_wayland_popup_get_destroy_signal (popup),
&surface->popup.destroy_listener);
}
static void