From 812675ba34ce612e9294e8a9814b1baf4b4775d4 Mon Sep 17 00:00:00 2001
From: Kirill Primak <vyivel@eclair.cafe>
Date: Sun, 12 May 2024 11:53:09 +0300
Subject: [PATCH] fixes: add implementation

---
 include/wlr/types/wlr_fixes.h | 28 +++++++++++++++
 meson.build                   |  2 +-
 types/meson.build             | 11 +++---
 types/wlr_fixes.c             | 65 +++++++++++++++++++++++++++++++++++
 4 files changed, 100 insertions(+), 6 deletions(-)
 create mode 100644 include/wlr/types/wlr_fixes.h
 create mode 100644 types/wlr_fixes.c

diff --git a/include/wlr/types/wlr_fixes.h b/include/wlr/types/wlr_fixes.h
new file mode 100644
index 000000000..b227f7e28
--- /dev/null
+++ b/include/wlr/types/wlr_fixes.h
@@ -0,0 +1,28 @@
+/*
+ * This an unstable interface of wlroots. No guarantees are made regarding the
+ * future consistency of this API.
+ */
+#ifndef WLR_USE_UNSTABLE
+#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
+#endif
+
+#ifndef WLR_TYPES_WLR_FIXES_H
+#define WLR_TYPES_WLR_FIXES_H
+
+#include <wayland-server-core.h>
+
+struct wlr_fixes {
+	struct wl_global *global;
+
+	struct {
+		struct wl_signal destroy;
+	} events;
+
+	struct {
+		struct wl_listener display_destroy;
+	} WLR_PRIVATE;
+};
+
+struct wlr_fixes *wlr_fixes_create(struct wl_display *display, uint32_t version);
+
+#endif
diff --git a/meson.build b/meson.build
index 8319eff69..4b24e5046 100644
--- a/meson.build
+++ b/meson.build
@@ -86,7 +86,7 @@ internal_features = {
 internal_config = configuration_data()
 
 wayland_kwargs = {
-	'version': '>=1.23.1',
+	'version': '>=1.24.0',
 	'fallback': 'wayland',
 	'default_options': [
 		'tests=false',
diff --git a/types/meson.build b/types/meson.build
index 25a0d4434..402fd3e11 100644
--- a/types/meson.build
+++ b/types/meson.build
@@ -39,19 +39,20 @@ wlr_files += files(
 	'buffer/resource.c',
 	'wlr_alpha_modifier_v1.c',
 	'wlr_color_management_v1.c',
+	'wlr_color_representation_v1.c',
 	'wlr_compositor.c',
 	'wlr_content_type_v1.c',
-	'wlr_cursor_shape_v1.c',
 	'wlr_cursor.c',
+	'wlr_cursor_shape_v1.c',
 	'wlr_damage_ring.c',
 	'wlr_data_control_v1.c',
 	'wlr_drm.c',
 	'wlr_export_dmabuf_v1.c',
-	'wlr_foreign_toplevel_management_v1.c',
-	'wlr_color_representation_v1.c',
-	'wlr_ext_image_copy_capture_v1.c',
-	'wlr_ext_foreign_toplevel_list_v1.c',
 	'wlr_ext_data_control_v1.c',
+	'wlr_ext_foreign_toplevel_list_v1.c',
+	'wlr_ext_image_copy_capture_v1.c',
+	'wlr_fixes.c',
+	'wlr_foreign_toplevel_management_v1.c',
 	'wlr_fractional_scale_v1.c',
 	'wlr_gamma_control_v1.c',
 	'wlr_idle_inhibit_v1.c',
diff --git a/types/wlr_fixes.c b/types/wlr_fixes.c
new file mode 100644
index 000000000..b5435aaf8
--- /dev/null
+++ b/types/wlr_fixes.c
@@ -0,0 +1,65 @@
+#include <assert.h>
+#include <wayland-server-protocol.h>
+#include <stdlib.h>
+
+#include <wlr/types/wlr_fixes.h>
+
+#define FIXES_VERSION 1
+
+static void fixes_destroy(struct wl_client *client, struct wl_resource *resource) {
+	wl_resource_destroy(resource);
+}
+
+static void fixes_destroy_registry(struct wl_client *client, struct wl_resource *resource,
+		struct wl_resource *registry) {
+	wl_resource_destroy(registry);
+}
+
+static const struct wl_fixes_interface fixes_impl = {
+	.destroy = fixes_destroy,
+	.destroy_registry = fixes_destroy_registry,
+};
+
+static void fixes_bind(struct wl_client *wl_client, void *data, uint32_t version, uint32_t id) {
+	struct wlr_fixes *fixes = data;
+
+	struct wl_resource *resource = wl_resource_create(wl_client, &wl_fixes_interface, version, id);
+	if (resource == NULL) {
+		wl_client_post_no_memory(wl_client);
+		return;
+	}
+	wl_resource_set_implementation(resource, &fixes_impl, fixes, NULL);
+}
+
+static void fixes_handle_display_destroy(struct wl_listener *listener, void *data) {
+	struct wlr_fixes *fixes = wl_container_of(listener, fixes, display_destroy);
+	wl_signal_emit_mutable(&fixes->events.destroy, NULL);
+
+	assert(wl_list_empty(&fixes->events.destroy.listener_list));
+
+	wl_list_remove(&fixes->display_destroy.link);
+	wl_global_destroy(fixes->global);
+	free(fixes);
+}
+
+struct wlr_fixes *wlr_fixes_create(struct wl_display *display, uint32_t version) {
+	assert(version <= FIXES_VERSION);
+
+	struct wlr_fixes *fixes = calloc(1, sizeof(*fixes));
+	if (fixes == NULL) {
+		return NULL;
+	}
+
+	fixes->global = wl_global_create(display, &wl_fixes_interface, version, fixes, fixes_bind);
+	if (fixes->global == NULL) {
+		free(fixes);
+		return NULL;
+	}
+
+	wl_signal_init(&fixes->events.destroy);
+
+	fixes->display_destroy.notify = fixes_handle_display_destroy;
+	wl_display_add_destroy_listener(display, &fixes->display_destroy);
+
+	return fixes;
+}