add support for the following protocols:

- wlr_xdg_output_v1
 - wlr_screencopy_v1
 - wlr_export_dmabuf_v1
 - wlr_data_control_v1
 - wlr_single_pixel_buffer_v1

minor feature: add option -v to increase the log level

diyac.c

@@ -8,6 +8,11 @@
 #include <errno.h>
 #include <string.h>
 #include <signal.h>
+#include <wlr/types/wlr_xdg_output_v1.h>
+#include <wlr/types/wlr_screencopy_v1.h>
+#include <wlr/types/wlr_export_dmabuf_v1.h>
+#include <wlr/types/wlr_data_control_v1.h>
+#include <wlr/types/wlr_single_pixel_buffer_v1.h>
 #include "output.h"
 #include "xdg.h"
 #include "cursor.h"
@@ -54,15 +59,20 @@ static int session_monitor(void *data)
 
 int main(int argc, char *argv[])
 {
-    wlr_log_init(WLR_INFO, NULL);
     char *startup_cmd = NULL;
     int exit_with_session = 0;
-
+    int log_level = WLR_ERROR;
     int c;
-    while ((c = getopt(argc, argv, "xh")) != -1)
+    while ((c = getopt(argc, argv, "xvh")) != -1)
     {
         switch (c)
         {
+        case 'v':
+            if(log_level < WLR_DEBUG)
+            {
+                log_level++;
+            }
+            break;
         case 'x':
             exit_with_session = 1;
             break;
@@ -86,6 +96,7 @@ int main(int argc, char *argv[])
         // the last argument is the startup command
         startup_cmd = argv[optind];
     }
+    wlr_log_init(log_level, NULL);
     struct diyac_server server = {0};
     /* The Wayland display is managed by libwayland. It handles accepting
      * clients from the Unix socket, manging Wayland globals, and so on. */
@@ -167,6 +178,11 @@ int main(int argc, char *argv[])
      */
     server.scene = wlr_scene_create();
     server.scene_layout = wlr_scene_attach_output_layout(server.scene, server.output_layout);
+    wlr_xdg_output_manager_v1_create(server.wl_display,server.output_layout);
+    wlr_export_dmabuf_manager_v1_create(server.wl_display);
+    wlr_data_control_manager_v1_create(server.wl_display);
+    wlr_screencopy_manager_v1_create(server.wl_display);
+    wlr_single_pixel_buffer_manager_v1_create(server.wl_display);
     wlr_fractional_scale_manager_v1_create(server.wl_display,1);
     /* Set up xdg-shell version 6 The xdg-shell is a Wayland protocol which is
      * used for application windows. For more detail on shells, refer to
@@ -263,7 +279,9 @@ int main(int argc, char *argv[])
     {
         wl_event_source_remove(server.proc_mon);
     }
-    // TODO remove all event listeners
+    wl_list_remove(&server.new_xdg_toplevel.link);
+    wl_list_remove(&server.new_layer_surface.link);
+    wl_list_remove(&server.new_output.link);
     wl_display_destroy_clients(server.wl_display);
     // wlr_scene_node_destroy(&server.scene->tree.node);
     wlr_xcursor_manager_destroy(server.seat.cursor_mgr);