From 2f63535ae5e313ea8a66955d811f2ad8d694ddb4 Mon Sep 17 00:00:00 2001
From: project-repo <cagebreak_signing_key_4@project-repo>
Date: Fri, 11 Sep 2020 11:31:15 +0200
Subject: [PATCH] Implement data control manager protocol

Prevents screen from flickering when doing wl-copy and paste.
---
 cagebreak.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/cagebreak.c b/cagebreak.c
index c44aab0..5185214 100644
--- a/cagebreak.c
+++ b/cagebreak.c
@@ -31,6 +31,7 @@
 #include <wlr/types/wlr_output_layout.h>
 #include <wlr/types/wlr_screencopy_v1.h>
 #include <wlr/types/wlr_server_decoration.h>
+#include <wlr/types/wlr_data_control_v1.h>
 #if CG_HAS_XWAYLAND
 #include <wlr/types/wlr_xcursor_manager.h>
 #endif
@@ -243,6 +244,7 @@ main(int argc, char *argv[]) {
 	struct wlr_xdg_decoration_manager_v1 *xdg_decoration_manager = NULL;
 	struct wlr_export_dmabuf_manager_v1 *export_dmabuf_manager = NULL;
 	struct wlr_screencopy_manager_v1 *screencopy_manager = NULL;
+	struct wlr_data_control_manager_v1 *data_control_manager = NULL;
 	struct wlr_xdg_output_manager_v1 *output_manager = NULL;
 	struct wlr_gamma_control_manager_v1 *gamma_control_manager = NULL;
 	struct wlr_xdg_shell *xdg_shell = NULL;
@@ -355,6 +357,13 @@ main(int argc, char *argv[]) {
 		goto end;
 	}
 
+	data_control_manager=wlr_data_control_manager_v1_create(server.wl_display);
+	if(!data_control_manager) {
+		wlr_log(WLR_ERROR, "Unable to create the data control manager");
+		ret = 1;
+		goto end;
+	}
+
 	/* Configure a listener to be notified when new outputs are
 	 * available on the backend. We use this only to detect the
 	 * first output and ignore subsequent outputs. */