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Add node-descriptor for wlr_scene_nodes

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Support identification of wlr_scene_node role to enable simplification
of codebase including the avoidance of iterating over lists of
layer-surface, menuitems, and so on.

Use node-descriptors for xdg toplevels and popups
This commit is contained in:
Johan Malm 2022-02-25 22:31:24 +00:00
parent 4c981b845f
commit 2891ff245e
7 changed files with 92 additions and 6 deletions
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37
src/node-descriptor.c Normal file
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@ -0,0 +1,37 @@
// SPDX-License-Identifier: GPL-2.0-only
#include <stdlib.h>
#include "node-descriptor.h"
static void
descriptor_destroy(struct node_descriptor *node_descriptor)
{
if (!node_descriptor) {
return;
}
wl_list_remove(&node_descriptor->destroy.link);
free(node_descriptor);
}
static void
destroy_notify(struct wl_listener *listener, void *data)
{
struct node_descriptor *node_descriptor =
wl_container_of(listener, node_descriptor, destroy);
descriptor_destroy(node_descriptor);
}
void
node_descriptor_create(struct wlr_scene_node *node,
enum node_descriptor_type type, void *data)
{
struct node_descriptor *node_descriptor =
calloc(1, sizeof(struct node_descriptor));
if (!node_descriptor) {
return;
}
node_descriptor->type = type;
node_descriptor->data = data;
node_descriptor->destroy.notify = destroy_notify;
wl_signal_add(&node->events.destroy, &node_descriptor->destroy);
node->data = node_descriptor;
}