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wayland: Check serial on wp_tablet_pad.set_feedback

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We must lookup the mode switch serial for the group where the button
belongs to. Also, avoid the changes if the client requests setting
the feedback for buttons owned by the compositor.
This commit is contained in:
Carlos Garnacho 2016-06-29 18:31:24 +02:00
parent 18f301cec9
commit b34fe72bb7
1 changed files with 30 additions and 1 deletions
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31
src/wayland/meta-wayland-tablet-pad.c
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@ -217,6 +217,23 @@ meta_wayland_tablet_pad_free (MetaWaylandTabletPad *pad)
g_slice_free (MetaWaylandTabletPad, pad);
}
static MetaWaylandTabletPadGroup *
tablet_pad_lookup_button_group (MetaWaylandTabletPad *pad,
guint button)
{
GList *l;
for (l = pad->groups; l; l = l->next)
{
MetaWaylandTabletPadGroup *group = l->data;
if (meta_wayland_tablet_pad_group_has_button (group, button))
return group;
}
return NULL;
}
static void
tablet_pad_set_feedback (struct wl_client *client,
struct wl_resource *resource,
@ -225,8 +242,20 @@ tablet_pad_set_feedback (struct wl_client *client,
uint32_t serial)
{
MetaWaylandTabletPad *pad = wl_resource_get_user_data (resource);
MetaWaylandTabletPadGroup *group = tablet_pad_lookup_button_group (pad, button);
MetaInputSettings *input_settings;
/* FIXME: check serial */
if (!group || group->mode_switch_serial != serial)
return;
input_settings = meta_backend_get_input_settings (meta_get_backend ());
if (input_settings &&
meta_input_settings_is_pad_button_grabbed (input_settings, pad->device, button))
return;
if (meta_wayland_tablet_pad_group_is_mode_switch_button (group, button))
return;
g_hash_table_insert (pad->feedback, GUINT_TO_POINTER (button), g_strdup (str));
}