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https://gitlab.freedesktop.org/wlroots/wlroots.git
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util: add wlr_addon
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commit
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43
include/wlr/util/addon.h
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43
include/wlr/util/addon.h
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/*
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* This an unstable interface of wlroots. No guarantees are made regarding the
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* future consistency of this API.
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*/
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#ifndef WLR_USE_UNSTABLE
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#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
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#endif
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#ifndef WLR_UTIL_ADDON_H
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#define WLR_UTIL_ADDON_H
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#include <wayland-server-core.h>
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struct wlr_addon_set {
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// private state
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struct wl_list addons;
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};
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struct wlr_addon;
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struct wlr_addon_interface {
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const char *name;
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void (*destroy)(struct wlr_addon *addon);
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};
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struct wlr_addon {
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const struct wlr_addon_interface *impl;
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// private state
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const void *owner;
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struct wl_list link;
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};
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void wlr_addon_set_init(struct wlr_addon_set *set);
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void wlr_addon_set_finish(struct wlr_addon_set *set);
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void wlr_addon_init(struct wlr_addon *addon, struct wlr_addon_set *set,
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const void *owner, const struct wlr_addon_interface *impl);
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void wlr_addon_finish(struct wlr_addon *addon);
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struct wlr_addon *wlr_addon_find_by_owner(struct wlr_addon_set *set,
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const void *owner);
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#endif
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49
util/addon.c
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49
util/addon.c
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#include <assert.h>
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#include <stdlib.h>
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#include <wayland-server-core.h>
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#include "wlr/util/addon.h"
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void wlr_addon_set_init(struct wlr_addon_set *set) {
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wl_list_init(&set->addons);
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}
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void wlr_addon_set_finish(struct wlr_addon_set *set) {
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struct wlr_addon *addon, *tmp;
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wl_list_for_each_safe(addon, tmp, &set->addons, link) {
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wlr_addon_finish(addon);
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addon->impl->destroy(addon);
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}
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}
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void wlr_addon_init(struct wlr_addon *addon, struct wlr_addon_set *set,
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const void *owner, const struct wlr_addon_interface *impl) {
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assert(owner);
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struct wlr_addon *iter;
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wl_list_for_each(iter, &set->addons, link) {
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if (iter->owner == addon->owner) {
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assert(0 && "Can't have two addons with the same owner");
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}
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}
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wl_list_insert(&set->addons, &addon->link);
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addon->owner = owner;
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addon->impl = impl;
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}
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void wlr_addon_finish(struct wlr_addon *addon) {
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if (addon->owner) {
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addon->owner = NULL;
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wl_list_remove(&addon->link);
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}
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}
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struct wlr_addon *wlr_addon_find_by_owner(struct wlr_addon_set *set,
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const void *owner) {
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struct wlr_addon *addon;
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wl_list_for_each(addon, &set->addons, link) {
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if (addon->owner == owner) {
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return addon;
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}
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}
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return NULL;
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}
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@ -1,4 +1,5 @@
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wlr_files += files(
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'addon.c',
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'array.c',
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'box.c',
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'global.c',
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