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wayland: Handle NULL event node/vendor/product on tablet methods

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We currently don't handle NULLs on these correctly, yet they can be
so when running nested. Just refrain from sending those wp_tablet(_pad)
events in that case.
This commit is contained in:
Carlos Garnacho 2018-02-07 13:17:16 +01:00
parent ac502c921d
commit c75eac27a8
2 changed files with 15 additions and 4 deletions
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6
src/wayland/meta-wayland-tablet-pad.c
View File

@ -277,9 +277,13 @@ meta_wayland_tablet_pad_notify (MetaWaylandTabletPad *pad,
struct wl_resource *resource)
{
struct wl_client *client = wl_resource_get_client (resource);
const gchar *node_path;
GList *l;
zwp_tablet_pad_v2_send_path (resource, clutter_input_device_get_device_node (pad->device));
node_path = clutter_input_device_get_device_node (pad->device);
if (node_path)
zwp_tablet_pad_v2_send_path (resource, node_path);
zwp_tablet_pad_v2_send_buttons (resource, pad->n_buttons);
for (l = pad->groups; l; l = l->next)

13
src/wayland/meta-wayland-tablet.c
View File

@ -85,13 +85,20 @@ meta_wayland_tablet_notify (MetaWaylandTablet *tablet,
struct wl_resource *resource)
{
ClutterInputDevice *device = tablet->device;
const gchar *node_path, *vendor, *product;
guint vid, pid;
zwp_tablet_v2_send_name (resource, clutter_input_device_get_device_name (device));
zwp_tablet_v2_send_path (resource, clutter_input_device_get_device_node (device));
if (sscanf (clutter_input_device_get_vendor_id (device), "%x", &vid) == 1 &&
sscanf (clutter_input_device_get_product_id (device), "%x", &pid) == 1)
node_path = clutter_input_device_get_device_node (device);
if (node_path)
zwp_tablet_v2_send_path (resource, node_path);
vendor = clutter_input_device_get_vendor_id (device);
product = clutter_input_device_get_product_id (device);
if (vendor && sscanf (vendor, "%x", &vid) == 1 &&
product && sscanf (product, "%x", &pid) == 1)
zwp_tablet_v2_send_id (resource, vid, pid);
zwp_tablet_v2_send_done (resource);