Have Meson orchestrate the whole build rather than stack.

As a part of this, I changed the file layout to:

rt/ - the Montis runtime
plug/ - the Montis plugin
wlroots/ - wlroots

2 files changed, 0 insertions, 1332 deletions

diff --git a/harness/src/plugin.c b/harness/src/plugin.c
deleted file mode 100644
index 37a6dd3..0000000
--- a/harness/src/plugin.c
+++ /dev/null
@@ -1,266 +0,0 @@
-#include "plugin.h"
-#include "foreign_intf.h"
-#include "wl.h"
-
-#include <sys/stat.h>
-#include <unistd.h>
-#include <ctype.h>
-#include <dlfcn.h>
-#include <pthread.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-/* Utility function for showing the marshalled states as hex code */
-static void shx(uint8_t *state, uint32_t sz)
-{
-  uint32_t i = 0;
-  while (i < sz) {
-    for (int j = 0; j < 16; ++j) {
-      if (i < sz) {
-        printf("%02x ", (unsigned int)state[i]);
-      }
-      else {
-        printf("   ");
-      }
-      ++i;
-    }
-
-    i -= 16;
-
-    printf("   ");
-
-    for (int j = 0; j < 16; ++j) {
-      if (i < sz) {
-        if (isprint(state[i]) && !isspace(state[i])) {
-          printf("%c", state[i]);
-        }
-        else {
-          printf(".");
-        }
-      }
-      else {
-        printf(" ");
-      }
-      ++i;
-    }
-    printf("\n");
-  }
-}
-
-int load_plugin_from_dl_(dlhandle_t dl, plugin_t *plug);
-
-static void lock(plugin_t *plugin) { pthread_mutex_lock(&plugin->lock); };
-
-static void unlock(plugin_t *plugin) { pthread_mutex_unlock(&plugin->lock); };
-
-static int plugin_hot_reload_same_state_action_(plugin_t *plugin, void *ignore)
-{
-  return plugin_hot_reload_same_state(plugin);
-}
-
-void do_request_hot_reload(void *plugv)
-{
-  plugin_t *plugin = plugv;
-
-  size_t n = plugin->n_requested_actions++;
-  if (n < 8) {
-    plugin->requested_actions[n].action = plugin_hot_reload_same_state_action_;
-    plugin->requested_actions[n].arg_dtor = NULL;
-  }
-}
-
-static int plugin_do_log(plugin_t *plugin, void *chrs)
-{
-  char *str = chrs;
-  puts(str);
-  return 0;
-}
-
-void do_request_log(void *plugv, const char *str)
-{
-  plugin_t *plugin = plugv;
-
-  size_t n = plugin->n_requested_actions++;
-  if (n < 8) {
-    plugin->requested_actions[n].action = plugin_do_log;
-    plugin->requested_actions[n].str_arg = strdup(str);
-    plugin->requested_actions[n].arg_dtor = free;
-  }
-}
-
-static int plugin_do_exit(void *plugv, int ec)
-{
-  exit(ec);
-  return 0;
-}
-
-void do_request_exit(void *plugv, int ec)
-{
-  plugin_t *plugin = plugv;
-
-  size_t n = plugin->n_requested_actions++;
-  if (n < 8) {
-    plugin->requested_actions[n].action =
-        (int (*)(plugin_t *, void *))plugin_do_exit;
-    plugin->requested_actions[n].int_arg = ec;
-    plugin->requested_actions[n].arg_dtor = NULL;
-  }
-}
-
-static void* plugin_get_seat(void* ctx) {
-  struct montis_server* server = wl_container_of(ctx, server, plugin);
-  return server->seat;
-}
-
-static int load_plugin_from_file_(int argc, char **argv, const char *filename,
-                                  plugin_t *plugin)
-{
-  dlhandle_t lib = dlopen(filename, RTLD_LAZY);
-  int ec = 0;
-
-  if (!lib) {
-    fprintf(stderr, "Failed to open library: %s: %s\n", filename, dlerror());
-    ec = 1;
-    goto end;
-  }
-
-  printf("Loading file.\n");
-  ec = load_plugin_from_dl_(lib, plugin);
-
-  if (ec) {
-    goto end;
-  }
-
-  strncpy(plugin->filename, filename, sizeof(plugin->filename));
-  plugin->argc = argc;
-  plugin->argv = argv;
-
-  plugin->foreign_intf.ctx = plugin;
-  plugin->foreign_intf.request_hot_reload = do_request_hot_reload;
-  plugin->foreign_intf.do_log = do_request_log;
-  plugin->foreign_intf.request_exit = do_request_exit;
-  plugin->foreign_intf.get_seat = plugin_get_seat;
-
-  plugin->plugin_load(plugin->argc, plugin->argv, &plugin->foreign_intf);
-end:
-  return ec;
-}
-
-static void maybe_run_metaload(int argc, char **argv, plugin_t *plugin)
-{
-  static char *loaded_plugins[12];
-  int i;
-  for (i = 0; i < 12 && loaded_plugins[i]; ++i) {
-    if (strcmp(loaded_plugins[i], plugin->plugin_name) == 0) {
-      return; // Plugin is already loaded
-    }
-  }
-  loaded_plugins[i] = strdup(plugin->plugin_name);
-
-  printf("First time loading %s, running metaload.\n", plugin->plugin_name);
-  if (plugin->plugin_metaload) {
-    plugin->plugin_metaload(argc, argv);
-  }
-}
-
-int load_plugin_from_file(int argc, char **argv, const char *filename,
-                          plugin_t *plugin)
-{
-  memset(plugin, 0, sizeof(*plugin));
-
-  pthread_mutexattr_t attr;
-  if (pthread_mutexattr_init(&attr)) {
-    perror("pthread_mutexattr_init");
-    return 1;
-  }
-
-  if (pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE)) {
-    perror("pthread_mutexattr_settype");
-    return 1;
-  }
-
-  if (pthread_mutex_init(&plugin->lock, &attr)) {
-    pthread_mutexattr_destroy(&attr);
-    perror("pthread_mutexattr_init");
-    return 1;
-  }
-  pthread_mutexattr_destroy(&attr);
-  int rc = load_plugin_from_file_(argc, argv, filename, plugin);
-
-  if (rc == 0) {
-    maybe_run_metaload(argc, argv, plugin);
-  }
-
-  return rc;
-}
-
-int plugin_hot_reload_same_state(plugin_t *plugin)
-{
-  char filename_cpy[PATH_MAX];
-  strncpy(filename_cpy, plugin->filename, sizeof(filename_cpy));
-  return plugin_hot_reload(plugin->argc, plugin->argv, filename_cpy, plugin);
-}
-
-int plugin_hot_reload(int argc, char **argv, const char *filepath,
-                      plugin_t *plugin)
-{
-  int ec = 0;
-  uint32_t sz = 0;
-  uint8_t *marshalled_state = NULL;
-
-  printf("Hot Reloading %s\n", plugin->plugin_name);
-  lock(plugin);
-
-  printf("Marshalling state ...\n");
-  marshalled_state = plugin->plugin_marshal_state(plugin->state, &sz);
-
-  printf("Calling teardown ...\n");
-  plugin->plugin_teardown(plugin->state);
-
-  printf("State Marshalled:\n");
-  shx(marshalled_state, sz);
-
-  printf("Unloading old library handle.\n");
-  if (dlclose(plugin->library_handle)) {
-    printf("Could not close library handle: %s\n", dlerror());
-  }
-
-  if ((ec = load_plugin_from_file_(argc, argv, filepath, plugin))) {
-    goto fail;
-  }
-
-  printf("Hot starting plugin ...\n");
-  plugin->state = plugin->plugin_hot_start(marshalled_state, sz);
-
-fail:
-  free(marshalled_state);
-  unlock(plugin);
-  return ec;
-}
-
-void plugin_run_requested_actions(plugin_t *plugin)
-{
-  lock(plugin);
-  requested_action_t requested_actions[MAX_QUEUED_ACTIONS];
-  size_t n_requested_actions = plugin->n_requested_actions;
-  memcpy(&requested_actions, plugin->requested_actions,
-         sizeof(requested_actions));
-  plugin->n_requested_actions = 0;
-  unlock(plugin);
-
-  size_t i;
-  for (i = 0; i < n_requested_actions; ++i) {
-    requested_actions[i].action(plugin, requested_actions[i].str_arg);
-    if (requested_actions[i].arg_dtor) {
-      requested_actions[i].arg_dtor(requested_actions[i].ptr_arg);
-    }
-  }
-}
-
-void plugin_cold_start(plugin_t *plugin)
-{
-  lock(plugin);
-  plugin->state = plugin->plugin_cold_start();
-  unlock(plugin);
-}
diff --git a/harness/src/wl.c b/harness/src/wl.c
deleted file mode 100644
index 261e082..0000000
--- a/harness/src/wl.c
+++ /dev/null
@@ -1,1066 +0,0 @@
-#define _POSIX_C_SOURCE 200112L
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/time.h>
-#include <time.h>
-
-#include <wl.h>
-
-#include "xdg-decoration-unstable-v1-client-protocol.h"
-
-// This macro is responsible for calling a handler on a plugin. This macro will
-// acquire the plugin's lock, call the member with the arguments and update the
-// state.
-//
-// This only works on function which have the format:
-//
-// opqst_t function(args ..., opqst_t state);
-//
-// Note that the state parameter is omitted from this macro.
-#define plugin_call_update_state(plugin, member, ...)                          \
-  do {                                                                         \
-    plugin_t *pl__ = &(plugin);                                                \
-    pthread_mutex_lock(&pl__->lock);                                           \
-    pl__->state = pl__->member(__VA_ARGS__, pl__->state);                      \
-    pthread_mutex_unlock(&pl__->lock);                                         \
-    plugin_run_requested_actions(pl__);                                        \
-  } while (0)
-
-static void focus_toplevel(struct montis_toplevel *toplevel,
-                           struct wlr_surface *surface)
-{
-  /* Note: this function only deals with keyboard focus. */
-  if (toplevel == NULL) {
-    return;
-  }
-  struct montis_server *server = toplevel->server;
-  struct wlr_seat *seat = server->seat;
-  struct wlr_surface *prev_surface = seat->keyboard_state.focused_surface;
-  if (prev_surface == surface) {
-    /* Don't re-focus an already focused surface. */
-    return;
-  }
-  if (prev_surface) {
-    /*
-     * Deactivate the previously focused surface. This lets the client know
-     * it no longer has focus and the client will repaint accordingly, e.g.
-     * stop displaying a caret.
-     */
-    struct wlr_xdg_toplevel *prev_toplevel =
-        wlr_xdg_toplevel_try_from_wlr_surface(prev_surface);
-    if (prev_toplevel != NULL) {
-      wlr_xdg_toplevel_set_activated(prev_toplevel, false);
-    }
-  }
-  struct wlr_keyboard *keyboard = wlr_seat_get_keyboard(seat);
-  /* Move the toplevel to the front */
-  wlr_scene_node_raise_to_top(&toplevel->scene_tree->node);
-  wl_list_remove(&toplevel->link);
-  wl_list_insert(&server->toplevels, &toplevel->link);
-  /* Activate the new surface */
-  wlr_xdg_toplevel_set_activated(toplevel->xdg_toplevel, true);
-  /*
-   * Tell the seat to have the keyboard enter this surface. wlroots will keep
-   * track of this and automatically send key events to the appropriate
-   * clients without additional work on your part.
-   */
-  if (keyboard != NULL) {
-    wlr_seat_keyboard_notify_enter(seat, toplevel->xdg_toplevel->base->surface,
-                                   keyboard->keycodes, keyboard->num_keycodes,
-                                   &keyboard->modifiers);
-  }
-}
-
-static void keyboard_handle_modifiers(struct wl_listener *listener, void *data)
-{
-  /* This event is raised when a modifier key, such as shift or alt, is
-   * pressed. We simply communicate this to the client. */
-  struct montis_keyboard *keyboard =
-      wl_container_of(listener, keyboard, modifiers);
-  /*
-   * A seat can only have one keyboard, but this is a limitation of the
-   * Wayland protocol - not wlroots. We assign all connected keyboards to the
-   * same seat. You can swap out the underlying wlr_keyboard like this and
-   * wlr_seat handles this transparently.
-   */
-  wlr_seat_set_keyboard(keyboard->server->seat, keyboard->wlr_keyboard);
-  /* Send modifiers to the client. */
-  wlr_seat_keyboard_notify_modifiers(keyboard->server->seat,
-                                     &keyboard->wlr_keyboard->modifiers);
-}
-
-static void keyboard_handle_key(struct wl_listener *listener, void *data)
-{
-  /* This event is raised when a key is pressed or released. */
-  struct montis_keyboard *keyboard = wl_container_of(listener, keyboard, key);
-  struct montis_server *server = keyboard->server;
-  struct wlr_keyboard_key_event *event = data;
-  struct wlr_seat *seat = server->seat;
-
-  /* Translate libinput keycode -> xkbcommon */
-  uint32_t keycode = event->keycode + 8;
-  /* Get a list of keysyms based on the keymap for this keyboard */
-  const xkb_keysym_t *syms;
-  int nsyms =
-      xkb_state_key_get_syms(keyboard->wlr_keyboard->xkb_state, keycode, &syms);
-
-  int handled = false;
-  uint32_t modifiers = wlr_keyboard_get_modifiers(keyboard->wlr_keyboard);
-  uint32_t codepoint;
-  int ec;
-
-  if (nsyms > 0 && syms[0] >= XKB_KEY_XF86Switch_VT_1 &&
-      syms[0] <= XKB_KEY_XF86Switch_VT_12) {
-    /* Escape-hatch to change sessions. These should always be available key
-     * bindings regardless of what the plugin dictates. This allows an escape
-     * hatch to edit the plugin in a different vterm and then use the escape
-     * hatch below to hot-restart the plugin if things get borked. */
-    if (event->state == WL_KEYBOARD_KEY_STATE_PRESSED) {
-      wlr_session_change_vt(server->session,
-                            syms[0] - XKB_KEY_XF86Switch_VT_1 + 1);
-    }
-  }
-  else if (modifiers ==
-               (WLR_MODIFIER_SHIFT | WLR_MODIFIER_CTRL | WLR_MODIFIER_ALT) &&
-           nsyms > 0 && syms[0] == XKB_KEY_Escape) {
-    /* Escape-hatch to hot-reload the plugin in case the plugin got borked and
-     * stops accepting keybindings. Ctrl+Shift+Alt+Escape will always reload the
-     * plugin.*/
-    if (event->state == WL_KEYBOARD_KEY_STATE_PRESSED) {
-      if ((ec = plugin_hot_reload_same_state(&server->plugin)) != 0) {
-        fprintf(stderr, "Failed to hot reload plugin");
-        exit(1);
-      }
-    }
-  }
-  else {
-    /* Pass the information along to the plugin for the plugin to handle. The
-     * plugin will return via 'handled' whether or not the key event was handled
-     * or not. */
-    if (nsyms > 0) {
-      codepoint =
-          xkb_state_key_get_utf32(keyboard->wlr_keyboard->xkb_state, keycode);
-      plugin_call_update_state(server->plugin, plugin_handle_keybinding,
-                               keyboard->wlr_keyboard, event, modifiers,
-                               syms[0], codepoint, &handled);
-    }
-  }
-}
-
-static void keyboard_handle_destroy(struct wl_listener *listener, void *data)
-{
-  /* This event is raised by the keyboard base wlr_input_device to signal
-   * the destruction of the wlr_keyboard. It will no longer receive events
-   * and should be destroyed.
-   */
-  struct montis_keyboard *keyboard =
-      wl_container_of(listener, keyboard, destroy);
-  wl_list_remove(&keyboard->modifiers.link);
-  wl_list_remove(&keyboard->key.link);
-  wl_list_remove(&keyboard->destroy.link);
-  wl_list_remove(&keyboard->link);
-  free(keyboard);
-}
-
-static void server_new_keyboard(struct montis_server *server,
-                                struct wlr_input_device *device)
-{
-  struct wlr_keyboard *wlr_keyboard = wlr_keyboard_from_input_device(device);
-
-  struct montis_keyboard *keyboard = calloc(1, sizeof(*keyboard));
-  keyboard->server = server;
-  keyboard->wlr_keyboard = wlr_keyboard;
-
-  struct xkb_rule_names names = (struct xkb_rule_names){0};
-  names.layout = "jr";
-  names.variant = "jdvprk";
-  names.options = "numpad:mac";
-
-  /* We need to prepare an XKB keymap and assign it to the keyboard. This
-   * assumes the defaults (e.g. layout = "us"). */
-  struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
-  struct xkb_keymap *keymap =
-      xkb_keymap_new_from_names(context, &names, XKB_KEYMAP_COMPILE_NO_FLAGS);
-
-  if (!keymap) {
-    fprintf(stderr, "Unable to read keymap.\n");
-    exit(1);
-  }
-
-  wlr_keyboard_set_keymap(wlr_keyboard, keymap);
-  xkb_keymap_unref(keymap);
-  xkb_context_unref(context);
-  wlr_keyboard_set_repeat_info(wlr_keyboard, 25, 600);
-
-  /* Here we set up listeners for keyboard events. */
-  keyboard->modifiers.notify = keyboard_handle_modifiers;
-  wl_signal_add(&wlr_keyboard->events.modifiers, &keyboard->modifiers);
-  keyboard->key.notify = keyboard_handle_key;
-  wl_signal_add(&wlr_keyboard->events.key, &keyboard->key);
-  keyboard->destroy.notify = keyboard_handle_destroy;
-  wl_signal_add(&device->events.destroy, &keyboard->destroy);
-
-  wlr_seat_set_keyboard(server->seat, keyboard->wlr_keyboard);
-
-  /* And add the keyboard to our list of keyboards */
-  wl_list_insert(&server->keyboards, &keyboard->link);
-}
-
-static void server_new_pointer(struct montis_server *server,
-                               struct wlr_input_device *device)
-{
-  /* We don't do anything special with pointers. All of our pointer handling
-   * is proxied through wlr_cursor. On another compositor, you might take this
-   * opportunity to do libinput configuration on the device to set
-   * acceleration, etc. */
-  wlr_cursor_attach_input_device(server->cursor, device);
-}
-
-static void server_new_input(struct wl_listener *listener, void *data)
-{
-  /* This event is raised by the backend when a new input device becomes
-   * available. */
-  struct montis_server *server = wl_container_of(listener, server, new_input);
-  struct wlr_input_device *device = data;
-  switch (device->type) {
-  case WLR_INPUT_DEVICE_KEYBOARD:
-    server_new_keyboard(server, device);
-    break;
-  case WLR_INPUT_DEVICE_POINTER:
-    server_new_pointer(server, device);
-    break;
-  default:
-    break;
-  }
-  /* We need to let the wlr_seat know what our capabilities are, which is
-   * communiciated to the client. In TinyWL we always have a cursor, even if
-   * there are no pointer devices, so we always include that capability. */
-  uint32_t caps = WL_SEAT_CAPABILITY_POINTER;
-  if (!wl_list_empty(&server->keyboards)) {
-    caps |= WL_SEAT_CAPABILITY_KEYBOARD;
-  }
-  wlr_seat_set_capabilities(server->seat, caps);
-}
-
-static void seat_request_cursor(struct wl_listener *listener, void *data)
-{
-  struct montis_server *server =
-      wl_container_of(listener, server, request_cursor);
-  /* This event is raised by the seat when a client provides a cursor image */
-  struct wlr_seat_pointer_request_set_cursor_event *event = data;
-  struct wlr_seat_client *focused_client =
-      server->seat->pointer_state.focused_client;
-  /* This can be sent by any client, so we check to make sure this one is
-   * actually has pointer focus first. */
-  if (focused_client == event->seat_client) {
-    /* Once we've vetted the client, we can tell the cursor to use the
-     * provided surface as the cursor image. It will set the hardware cursor
-     * on the output that it's currently on and continue to do so as the
-     * cursor moves between outputs. */
-    wlr_cursor_set_surface(server->cursor, event->surface, event->hotspot_x,
-                           event->hotspot_y);
-  }
-}
-
-static void seat_request_set_selection(struct wl_listener *listener, void *data)
-{
-  /* This event is raised by the seat when a client wants to set the selection,
-   * usually when the user copies something. wlroots allows compositors to
-   * ignore such requests if they so choose, but in montis we always honor
-   */
-  struct montis_server *server =
-      wl_container_of(listener, server, request_set_selection);
-  struct wlr_seat_request_set_selection_event *event = data;
-  wlr_seat_set_selection(server->seat, event->source, event->serial);
-}
-
-static struct montis_toplevel *desktop_toplevel_at(struct montis_server *server,
-                                                   double lx, double ly,
-                                                   struct wlr_surface **surface,
-                                                   double *sx, double *sy)
-{
-  /* This returns the topmost node in the scene at the given layout coords.
-   * We only care about surface nodes as we are specifically looking for a
-   * surface in the surface tree of a montis_toplevel. */
-  struct wlr_scene_node *node =
-      wlr_scene_node_at(&server->scene->tree.node, lx, ly, sx, sy);
-  if (node == NULL || node->type != WLR_SCENE_NODE_BUFFER) {
-    return NULL;
-  }
-  struct wlr_scene_buffer *scene_buffer = wlr_scene_buffer_from_node(node);
-  struct wlr_scene_surface *scene_surface =
-      wlr_scene_surface_try_from_buffer(scene_buffer);
-  if (!scene_surface) {
-    return NULL;
-  }
-
-  *surface = scene_surface->surface;
-  /* Find the node corresponding to the montis_toplevel at the root of this
-   * surface tree, it is the only one for which we set the data field. */
-  struct wlr_scene_tree *tree = node->parent;
-  while (tree != NULL && tree->node.data == NULL) {
-    tree = tree->node.parent;
-  }
-  return tree->node.data;
-}
-
-static void reset_cursor_mode(struct montis_server *server)
-{
-  /* Reset the cursor mode to passthrough. */
-  server->cursor_mode = TINYWL_CURSOR_PASSTHROUGH;
-  server->grabbed_toplevel = NULL;
-}
-
-static void process_cursor_move(struct montis_server *server, uint32_t time)
-{
-  /* Move the grabbed toplevel to the new position. */
-  struct montis_toplevel *toplevel = server->grabbed_toplevel;
-  wlr_scene_node_set_position(&toplevel->scene_tree->node,
-                              server->cursor->x - server->grab_x,
-                              server->cursor->y - server->grab_y);
-}
-
-static void process_cursor_resize(struct montis_server *server, uint32_t time)
-{
-  /*
-   * Resizing the grabbed toplevel can be a little bit complicated, because we
-   * could be resizing from any corner or edge. This not only resizes the
-   * toplevel on one or two axes, but can also move the toplevel if you resize
-   * from the top or left edges (or top-left corner).
-   *
-   * Note that some shortcuts are taken here. In a more fleshed-out
-   * compositor, you'd wait for the client to prepare a buffer at the new
-   * size, then commit any movement that was prepared.
-   */
-  struct montis_toplevel *toplevel = server->grabbed_toplevel;
-  double border_x = server->cursor->x - server->grab_x;
-  double border_y = server->cursor->y - server->grab_y;
-  int new_left = server->grab_geobox.x;
-  int new_right = server->grab_geobox.x + server->grab_geobox.width;
-  int new_top = server->grab_geobox.y;
-  int new_bottom = server->grab_geobox.y + server->grab_geobox.height;
-
-  if (server->resize_edges & WLR_EDGE_TOP) {
-    new_top = border_y;
-    if (new_top >= new_bottom) {
-      new_top = new_bottom - 1;
-    }
-  }
-  else if (server->resize_edges & WLR_EDGE_BOTTOM) {
-    new_bottom = border_y;
-    if (new_bottom <= new_top) {
-      new_bottom = new_top + 1;
-    }
-  }
-  if (server->resize_edges & WLR_EDGE_LEFT) {
-    new_left = border_x;
-    if (new_left >= new_right) {
-      new_left = new_right - 1;
-    }
-  }
-  else if (server->resize_edges & WLR_EDGE_RIGHT) {
-    new_right = border_x;
-    if (new_right <= new_left) {
-      new_right = new_left + 1;
-    }
-  }
-
-  struct wlr_box geo_box;
-  wlr_xdg_surface_get_geometry(toplevel->xdg_toplevel->base, &geo_box);
-  wlr_scene_node_set_position(&toplevel->scene_tree->node, new_left - geo_box.x,
-                              new_top - geo_box.y);
-
-  int new_width = new_right - new_left;
-  int new_height = new_bottom - new_top;
-  wlr_xdg_toplevel_set_size(toplevel->xdg_toplevel, new_width, new_height);
-}
-
-static void process_cursor_motion(struct montis_server *server, uint32_t time)
-{
-  /* If the mode is non-passthrough, delegate to those functions. */
-  if (server->cursor_mode == TINYWL_CURSOR_MOVE) {
-    process_cursor_move(server, time);
-    return;
-  }
-  else if (server->cursor_mode == TINYWL_CURSOR_RESIZE) {
-    process_cursor_resize(server, time);
-    return;
-  }
-
-  /* Otherwise, find the toplevel under the pointer and send the event along. */
-  double sx, sy;
-  struct wlr_seat *seat = server->seat;
-  struct wlr_surface *surface = NULL;
-  struct montis_toplevel *toplevel = desktop_toplevel_at(
-      server, server->cursor->x, server->cursor->y, &surface, &sx, &sy);
-  if (!toplevel) {
-    /* If there's no toplevel under the cursor, set the cursor image to a
-     * default. This is what makes the cursor image appear when you move it
-     * around the screen, not over any toplevels. */
-    wlr_cursor_set_xcursor(server->cursor, server->cursor_mgr, "default");
-  }
-  if (surface) {
-    /*
-     * Send pointer enter and motion events.
-     *
-     * The enter event gives the surface "pointer focus", which is distinct
-     * from keyboard focus. You get pointer focus by moving the pointer over
-     * a window.
-     *
-     * Note that wlroots will avoid sending duplicate enter/motion events if
-     * the surface has already has pointer focus or if the client is already
-     * aware of the coordinates passed.
-     */
-    wlr_seat_pointer_notify_enter(seat, surface, sx, sy);
-    wlr_seat_pointer_notify_motion(seat, time, sx, sy);
-  }
-  else {
-    /* Clear pointer focus so future button events and such are not sent to
-     * the last client to have the cursor over it. */
-    wlr_seat_pointer_clear_focus(seat);
-  }
-}
-
-static void server_cursor_motion(struct wl_listener *listener, void *data)
-{
-  /* This event is forwarded by the cursor when a pointer emits a _relative_
-   * pointer motion event (i.e. a delta) */
-  struct montis_server *server =
-      wl_container_of(listener, server, cursor_motion);
-  struct wlr_pointer_motion_event *event = data;
-  /* The cursor doesn't move unless we tell it to. The cursor automatically
-   * handles constraining the motion to the output layout, as well as any
-   * special configuration applied for the specific input device which
-   * generated the event. You can pass NULL for the device if you want to move
-   * the cursor around without any input. */
-  wlr_cursor_move(server->cursor, &event->pointer->base, event->delta_x,
-                  event->delta_y);
-  process_cursor_motion(server, event->time_msec);
-}
-
-static void server_cursor_motion_absolute(struct wl_listener *listener,
-                                          void *data)
-{
-  /* This event is forwarded by the cursor when a pointer emits an _absolute_
-   * motion event, from 0..1 on each axis. This happens, for example, when
-   * wlroots is running under a Wayland window rather than KMS+DRM, and you
-   * move the mouse over the window. You could enter the window from any edge,
-   * so we have to warp the mouse there. There is also some hardware which
-   * emits these events. */
-  struct montis_server *server =
-      wl_container_of(listener, server, cursor_motion_absolute);
-  struct wlr_pointer_motion_absolute_event *event = data;
-  wlr_cursor_warp_absolute(server->cursor, &event->pointer->base, event->x,
-                           event->y);
-  process_cursor_motion(server, event->time_msec);
-}
-
-static void server_cursor_button(struct wl_listener *listener, void *data)
-{
-  /* This event is forwarded by the cursor when a pointer emits a button
-   * event. */
-  struct montis_server *server =
-      wl_container_of(listener, server, cursor_button);
-  struct wlr_pointer_button_event *event = data;
-  struct wlr_seat *seat = server->seat;
-  struct wlr_keyboard *keyboard = wlr_seat_get_keyboard(seat);
-  uint32_t modifiers = wlr_keyboard_get_modifiers(keyboard);
-
-  plugin_call_update_state(server->plugin, plugin_handle_button, event,
-                           modifiers);
-
-  /* Notify the client with pointer focus that a button press has occurred */
-  // wlr_seat_pointer_notify_button(server->seat, event->time_msec,
-  // event->button,
-  //                                event->state);
-  // double sx, sy;
-  // struct wlr_surface *surface = NULL;
-  // struct montis_toplevel *toplevel = desktop_toplevel_at(
-  //     server, server->cursor->x, server->cursor->y, &surface, &sx, &sy);
-  // if (event->state == WLR_BUTTON_RELEASED) {
-  //   /* If you released any buttons, we exit interactive move/resize mode. */
-  //   reset_cursor_mode(server);
-  // }
-  // else {
-  //   /* Focus that client if the button was _pressed_ */
-  //   focus_toplevel(toplevel, surface);
-  // }
-}
-
-static void server_cursor_axis(struct wl_listener *listener, void *data)
-{
-  /* This event is forwarded by the cursor when a pointer emits an axis event,
-   * for example when you move the scroll wheel. */
-  struct montis_server *server = wl_container_of(listener, server, cursor_axis);
-  struct wlr_pointer_axis_event *event = data;
-  /* Notify the client with pointer focus of the axis event. */
-  wlr_seat_pointer_notify_axis(
-      server->seat, event->time_msec, event->orientation, event->delta,
-      event->delta_discrete, event->source, event->relative_direction);
-}
-
-static void server_cursor_frame(struct wl_listener *listener, void *data)
-{
-  /* This event is forwarded by the cursor when a pointer emits an frame
-   * event. Frame events are sent after regular pointer events to group
-   * multiple events together. For instance, two axis events may happen at the
-   * same time, in which case a frame event won't be sent in between. */
-  struct montis_server *server =
-      wl_container_of(listener, server, cursor_frame);
-  /* Notify the client with pointer focus of the frame event. */
-  wlr_seat_pointer_notify_frame(server->seat);
-}
-
-static void output_frame(struct wl_listener *listener, void *data)
-{
-  /* This function is called every time an output is ready to display a frame,
-   * generally at the output's refresh rate (e.g. 60Hz). */
-  struct montis_output *output = wl_container_of(listener, output, frame);
-  struct wlr_scene *scene = output->server->scene;
-
-  struct wlr_scene_output *scene_output =
-      wlr_scene_get_scene_output(scene, output->wlr_output);
-
-  /* Render the scene if needed and commit the output */
-  wlr_scene_output_commit(scene_output, NULL);
-
-  struct timespec now;
-  clock_gettime(CLOCK_MONOTONIC, &now);
-  wlr_scene_output_send_frame_done(scene_output, &now);
-}
-
-static void output_request_state(struct wl_listener *listener, void *data)
-{
-  /* This function is called when the backend requests a new state for
-   * the output. For example, Wayland and X11 backends request a new mode
-   * when the output window is resized. */
-  struct montis_output *output =
-      wl_container_of(listener, output, request_state);
-  const struct wlr_output_event_request_state *event = data;
-  wlr_output_commit_state(output->wlr_output, event->state);
-}
-
-static void output_destroy(struct wl_listener *listener, void *data)
-{
-  struct montis_output *output = wl_container_of(listener, output, destroy);
-
-  wl_list_remove(&output->frame.link);
-  wl_list_remove(&output->request_state.link);
-  wl_list_remove(&output->destroy.link);
-  wl_list_remove(&output->link);
-  free(output);
-}
-
-static void server_new_output(struct wl_listener *listener, void *data)
-{
-  /* This event is raised by the backend when a new output (aka a display or
-   * monitor) becomes available. */
-  struct montis_server *server = wl_container_of(listener, server, new_output);
-  struct wlr_output *wlr_output = data;
-
-  /* Configures the output created by the backend to use our allocator
-   * and our renderer. Must be done once, before commiting the output */
-  wlr_output_init_render(wlr_output, server->allocator, server->renderer);
-
-  /* The output may be disabled, switch it on. */
-  struct wlr_output_state state;
-  wlr_output_state_init(&state);
-  wlr_output_state_set_enabled(&state, true);
-
-  /* Some backends don't have modes. DRM+KMS does, and we need to set a mode
-   * before we can use the output. The mode is a tuple of (width, height,
-   * refresh rate), and each monitor supports only a specific set of modes. We
-   * just pick the monitor's preferred mode, a more sophisticated compositor
-   * would let the user configure it. */
-  struct wlr_output_mode *mode = wlr_output_preferred_mode(wlr_output);
-  if (mode != NULL) {
-    wlr_output_state_set_mode(&state, mode);
-  }
-
-  /* Atomically applies the new output state. */
-  wlr_output_commit_state(wlr_output, &state);
-  wlr_output_state_finish(&state);
-
-  /* Allocates and configures our state for this output */
-  struct montis_output *output = calloc(1, sizeof(*output));
-  output->wlr_output = wlr_output;
-  output->server = server;
-
-  /* Sets up a listener for the frame event. */
-  output->frame.notify = output_frame;
-  wl_signal_add(&wlr_output->events.frame, &output->frame);
-
-  /* Sets up a listener for the state request event. */
-  output->request_state.notify = output_request_state;
-  wl_signal_add(&wlr_output->events.request_state, &output->request_state);
-
-  /* Sets up a listener for the destroy event. */
-  output->destroy.notify = output_destroy;
-  wl_signal_add(&wlr_output->events.destroy, &output->destroy);
-
-  wl_list_insert(&server->outputs, &output->link);
-
-  /* Adds this to the output layout. The add_auto function arranges outputs
-   * from left-to-right in the order they appear. A more sophisticated
-   * compositor would let the user configure the arrangement of outputs in the
-   * layout.
-   *
-   * The output layout utility automatically adds a wl_output global to the
-   * display, which Wayland clients can see to find out information about the
-   * output (such as DPI, scale factor, manufacturer, etc).
-   */
-  struct wlr_output_layout_output *l_output =
-      wlr_output_layout_add_auto(server->output_layout, wlr_output);
-  struct wlr_scene_output *scene_output =
-      wlr_scene_output_create(server->scene, wlr_output);
-  wlr_scene_output_layout_add_output(server->scene_layout, l_output,
-                                     scene_output);
-}
-
-static void xdg_toplevel_map(struct wl_listener *listener, void *data)
-{
-  /* Called when the surface is mapped, or ready to display on-screen. */
-  struct montis_toplevel *toplevel = wl_container_of(listener, toplevel, map);
-
-  wl_list_insert(&toplevel->server->toplevels, &toplevel->link);
-
-  fprintf(stderr, "Surface map ...\n");
-  plugin_call_update_state(toplevel->server->plugin, plugin_handle_surface,
-                           toplevel, SURFACE_MAP);
-  fprintf(stderr, "/ Surface map ...\n");
-
-  focus_toplevel(toplevel, toplevel->xdg_toplevel->base->surface);
-}
-
-static void xdg_toplevel_unmap(struct wl_listener *listener, void *data)
-{
-  /* Called when the surface is unmapped, and should no longer be shown. */
-  struct montis_toplevel *toplevel = wl_container_of(listener, toplevel, unmap);
-
-  /* Reset the cursor mode if the grabbed toplevel was unmapped. */
-  if (toplevel == toplevel->server->grabbed_toplevel) {
-    reset_cursor_mode(toplevel->server);
-  }
-
-  fprintf(stderr, "Surface unmap ...\n");
-  plugin_call_update_state(toplevel->server->plugin, plugin_handle_surface,
-                           toplevel, SURFACE_UNMAP);
-  fprintf(stderr, "/ Surface map ...\n");
-
-  wl_list_remove(&toplevel->link);
-}
-
-static void xdg_toplevel_destroy(struct wl_listener *listener, void *data)
-{
-  /* Called when the xdg_toplevel is destroyed. */
-  struct montis_toplevel *toplevel =
-      wl_container_of(listener, toplevel, destroy);
-
-  wl_list_remove(&toplevel->map.link);
-  wl_list_remove(&toplevel->unmap.link);
-  wl_list_remove(&toplevel->destroy.link);
-  wl_list_remove(&toplevel->request_move.link);
-  wl_list_remove(&toplevel->request_resize.link);
-  wl_list_remove(&toplevel->request_maximize.link);
-  wl_list_remove(&toplevel->request_fullscreen.link);
-
-  fprintf(stderr, "Surface destroy ...\n");
-  plugin_call_update_state(toplevel->server->plugin, plugin_handle_surface,
-                           toplevel, SURFACE_DELETE);
-  fprintf(stderr, "/ Surface destroy ...\n");
-
-  free(toplevel);
-}
-
-static void begin_interactive(struct montis_toplevel *toplevel,
-                              enum montis_cursor_mode mode, uint32_t edges)
-{
-  /* This function sets up an interactive move or resize operation, where the
-   * compositor stops propegating pointer events to clients and instead
-   * consumes them itself, to move or resize windows. */
-  struct montis_server *server = toplevel->server;
-  struct wlr_surface *focused_surface =
-      server->seat->pointer_state.focused_surface;
-  if (toplevel->xdg_toplevel->base->surface !=
-      wlr_surface_get_root_surface(focused_surface)) {
-    /* Deny move/resize requests from unfocused clients. */
-    return;
-  }
-  server->grabbed_toplevel = toplevel;
-  server->cursor_mode = mode;
-
-  if (mode == TINYWL_CURSOR_MOVE) {
-    server->grab_x = server->cursor->x - toplevel->scene_tree->node.x;
-    server->grab_y = server->cursor->y - toplevel->scene_tree->node.y;
-  }
-  else {
-    struct wlr_box geo_box;
-    wlr_xdg_surface_get_geometry(toplevel->xdg_toplevel->base, &geo_box);
-
-    double border_x = (toplevel->scene_tree->node.x + geo_box.x) +
-                      ((edges & WLR_EDGE_RIGHT) ? geo_box.width : 0);
-    double border_y = (toplevel->scene_tree->node.y + geo_box.y) +
-                      ((edges & WLR_EDGE_BOTTOM) ? geo_box.height : 0);
-    server->grab_x = server->cursor->x - border_x;
-    server->grab_y = server->cursor->y - border_y;
-
-    server->grab_geobox = geo_box;
-    server->grab_geobox.x += toplevel->scene_tree->node.x;
-    server->grab_geobox.y += toplevel->scene_tree->node.y;
-
-    server->resize_edges = edges;
-  }
-}
-
-static void xdg_toplevel_request_move(struct wl_listener *listener, void *data)
-{
-  /* This event is raised when a client would like to begin an interactive
-   * move, typically because the user clicked on their client-side
-   * decorations. Note that a more sophisticated compositor should check the
-   * provided serial against a list of button press serials sent to this
-   * client, to prevent the client from requesting this whenever they want. */
-  struct montis_toplevel *toplevel =
-      wl_container_of(listener, toplevel, request_move);
-  begin_interactive(toplevel, TINYWL_CURSOR_MOVE, 0);
-}
-
-static void xdg_toplevel_request_resize(struct wl_listener *listener,
-                                        void *data)
-{
-  /* This event is raised when a client would like to begin an interactive
-   * resize, typically because the user clicked on their client-side
-   * decorations. Note that a more sophisticated compositor should check the
-   * provided serial against a list of button press serials sent to this
-   * client, to prevent the client from requesting this whenever they want. */
-  struct wlr_xdg_toplevel_resize_event *event = data;
-  struct montis_toplevel *toplevel =
-      wl_container_of(listener, toplevel, request_resize);
-  begin_interactive(toplevel, TINYWL_CURSOR_RESIZE, event->edges);
-}
-
-static void xdg_toplevel_request_maximize(struct wl_listener *listener,
-                                          void *data)
-{
-  /* This event is raised when a client would like to maximize itself,
-   * typically because the user clicked on the maximize button on
-   * client-side decorations. montis doesn't support maximization, but
-   * to conform to xdg-shell protocol we still must send a configure.
-   * wlr_xdg_surface_schedule_configure() is used to send an empty reply. */
-  struct montis_toplevel *toplevel =
-      wl_container_of(listener, toplevel, request_maximize);
-  wlr_xdg_surface_schedule_configure(toplevel->xdg_toplevel->base);
-}
-
-static void xdg_toplevel_request_fullscreen(struct wl_listener *listener,
-                                            void *data)
-{
-  /* Just as with request_maximize, we must send a configure here. */
-  struct montis_toplevel *toplevel =
-      wl_container_of(listener, toplevel, request_fullscreen);
-  wlr_xdg_surface_schedule_configure(toplevel->xdg_toplevel->base);
-}
-
-static void xdg_popup_commit(struct wl_listener *listener, void *data) {
-	/* Called when a new surface state is committed. */
-	struct montis_popup *popup = wl_container_of(listener, popup, commit);
-
-	if (popup->xdg_popup->base->initial_commit) {
-		/* When an xdg_surface performs an initial commit, the compositor must
-		 * reply with a configure so the client can map the surface.
-		 * montis sends an empty configure. A more sophisticated compositor
-		 * might change an xdg_popup's geometry to ensure it's not positioned
-		 * off-screen, for example. */
-		wlr_xdg_surface_schedule_configure(popup->xdg_popup->base);
-	}
-}
-
-static void xdg_popup_destroy(struct wl_listener *listener, void *data) {
-	/* Called when the xdg_popup is destroyed. */
-	struct montis_popup *popup = wl_container_of(listener, popup, destroy);
-
-	wl_list_remove(&popup->commit.link);
-	wl_list_remove(&popup->destroy.link);
-
-	free(popup);
-}
-
-static void server_new_xdg_popup(struct wl_listener *listener, void *data) {
-	/* This event is raised when a client creates a new popup. */
-	struct wlr_xdg_popup *xdg_popup = data;
-
-	struct montis_popup *popup = calloc(1, sizeof(*popup));
-	popup->xdg_popup = xdg_popup;
-
-	/* We must add xdg popups to the scene graph so they get rendered. The
-	 * wlroots scene graph provides a helper for this, but to use it we must
-	 * provide the proper parent scene node of the xdg popup. To enable this,
-	 * we always set the user data field of xdg_surfaces to the corresponding
-	 * scene node. */
-	struct wlr_xdg_surface *parent = wlr_xdg_surface_try_from_wlr_surface(xdg_popup->parent);
-	assert(parent != NULL);
-	struct wlr_scene_tree *parent_tree = parent->data;
-	xdg_popup->base->data = wlr_scene_xdg_surface_create(parent_tree, xdg_popup->base);
-
-	popup->commit.notify = xdg_popup_commit;
-	wl_signal_add(&xdg_popup->base->surface->events.commit, &popup->commit);
-
-	popup->destroy.notify = xdg_popup_destroy;
-	wl_signal_add(&xdg_popup->events.destroy, &popup->destroy);
-}
-
-static void xdg_toplevel_commit(struct wl_listener *listener, void *data) {
-	/* Called when a new surface state is committed. */
-	struct montis_toplevel *toplevel = wl_container_of(listener, toplevel, commit);
-
-	if (toplevel->xdg_toplevel->base->initial_commit) {
-		/* When an xdg_surface performs an initial commit, the compositor must
-		 * reply with a configure so the client can map the surface. montis
-		 * configures the xdg_toplevel with 0,0 size to let the client pick the
-		 * dimensions itself. */
-		wlr_xdg_toplevel_set_size(toplevel->xdg_toplevel, 0, 0);
-	}
-}
-
-static void server_new_xdg_toplevel(struct wl_listener *listener, void *data)
-{
-	/* This event is raised when a client creates a new toplevel (application window). */
-	struct montis_server *server = wl_container_of(listener, server, new_xdg_toplevel);
-	struct wlr_xdg_toplevel *xdg_toplevel = data;
-
-	/* Allocate a montis_toplevel for this surface */
-	struct montis_toplevel *toplevel = calloc(1, sizeof(*toplevel));
-	toplevel->server = server;
-	toplevel->xdg_toplevel = xdg_toplevel;
-	toplevel->scene_tree =
-		wlr_scene_xdg_surface_create(&toplevel->server->scene->tree, xdg_toplevel->base);
-	toplevel->scene_tree->node.data = toplevel;
-	xdg_toplevel->base->data = toplevel->scene_tree;
-
-	/* Listen to the various events it can emit */
-	toplevel->map.notify = xdg_toplevel_map;
-	wl_signal_add(&xdg_toplevel->base->surface->events.map, &toplevel->map);
-	toplevel->unmap.notify = xdg_toplevel_unmap;
-	wl_signal_add(&xdg_toplevel->base->surface->events.unmap, &toplevel->unmap);
-	toplevel->commit.notify = xdg_toplevel_commit;
-	wl_signal_add(&xdg_toplevel->base->surface->events.commit, &toplevel->commit);
-
-	toplevel->destroy.notify = xdg_toplevel_destroy;
-	wl_signal_add(&xdg_toplevel->events.destroy, &toplevel->destroy);
-
-	/* cotd */
-	toplevel->request_move.notify = xdg_toplevel_request_move;
-	wl_signal_add(&xdg_toplevel->events.request_move, &toplevel->request_move);
-	toplevel->request_resize.notify = xdg_toplevel_request_resize;
-	wl_signal_add(&xdg_toplevel->events.request_resize, &toplevel->request_resize);
-	toplevel->request_maximize.notify = xdg_toplevel_request_maximize;
-	wl_signal_add(&xdg_toplevel->events.request_maximize, &toplevel->request_maximize);
-	toplevel->request_fullscreen.notify = xdg_toplevel_request_fullscreen;
-	wl_signal_add(&xdg_toplevel->events.request_fullscreen, &toplevel->request_fullscreen);
-}
-
-int main(int argc, char *argv[])
-{
-  wlr_log_init(WLR_DEBUG, NULL);
-  char *startup_cmd = NULL;
-  char *plugin = NULL;
-
-  int c;
-  while ((c = getopt(argc, argv, "s:p:h")) != -1) {
-    switch (c) {
-    case 's':
-      startup_cmd = optarg;
-      break;
-    case 'p':
-      plugin = optarg;
-      break;
-    default:
-      printf("Usage: %s -p [plugin] [-s startup command]\n", argv[0]);
-      return 0;
-    }
-  }
-  if (optind < argc || !plugin) {
-    printf("Usage: %s -p [plugin] [-s startup command]\n", argv[0]);
-    return 0;
-  }
-
-  struct montis_server server = {0};
-
-  if (load_plugin_from_file(argc, argv, plugin, &server.plugin)) {
-    fprintf(stderr, "Failed to read plugin from file.\n");
-    return 1;
-  }
-
-  plugin_cold_start(&server.plugin);
-
-  /* The Wayland display is managed by libwayland. It handles accepting
-   * clients from the Unix socket, manging Wayland globals, and so on. */
-  server.wl_display = wl_display_create();
-  /* The backend is a wlroots feature which abstracts the underlying input and
-   * output hardware. The autocreate option will choose the most suitable
-   * backend based on the current environment, such as opening an X11 window
-   * if an X11 server is running. */
-  server.backend = wlr_backend_autocreate(
-      wl_display_get_event_loop(server.wl_display), &server.session);
-  if (server.backend == NULL) {
-    wlr_log(WLR_ERROR, "failed to create wlr_backend");
-    return 1;
-  }
-
-  /* Autocreates a renderer, either Pixman, GLES2 or Vulkan for us. The user
-   * can also specify a renderer using the WLR_RENDERER env var.
-   * The renderer is responsible for defining the various pixel formats it
-   * supports for shared memory, this configures that for clients. */
-  server.renderer = wlr_renderer_autocreate(server.backend);
-  if (server.renderer == NULL) {
-    wlr_log(WLR_ERROR, "failed to create wlr_renderer");
-    return 1;
-  }
-
-  wlr_renderer_init_wl_display(server.renderer, server.wl_display);
-
-  /* Autocreates an allocator for us.
-   * The allocator is the bridge between the renderer and the backend. It
-   * handles the buffer creation, allowing wlroots to render onto the
-   * screen */
-  server.allocator = wlr_allocator_autocreate(server.backend, server.renderer);
-  if (server.allocator == NULL) {
-    wlr_log(WLR_ERROR, "failed to create wlr_allocator");
-    return 1;
-  }
-
-  /* This creates some hands-off wlroots interfaces. The compositor is
-   * necessary for clients to allocate surfaces, the subcompositor allows to
-   * assign the role of subsurfaces to surfaces and the data device manager
-   * handles the clipboard. Each of these wlroots interfaces has room for you
-   * to dig your fingers in and play with their behavior if you want. Note that
-   * the clients cannot set the selection directly without compositor approval,
-   * see the handling of the request_set_selection event below.*/
-  wlr_compositor_create(server.wl_display, 5, server.renderer);
-  wlr_subcompositor_create(server.wl_display);
-  wlr_data_device_manager_create(server.wl_display);
-
-  /* Creates an output layout, which a wlroots utility for working with an
-   * arrangement of screens in a physical layout. */
-  server.output_layout = wlr_output_layout_create(server.wl_display);
-
-  /* Configure a listener to be notified when new outputs are available on the
-   * backend. */
-  wl_list_init(&server.outputs);
-  server.new_output.notify = server_new_output;
-  wl_signal_add(&server.backend->events.new_output, &server.new_output);
-
-  /* Create a scene graph. This is a wlroots abstraction that handles all
-   * rendering and damage tracking. All the compositor author needs to do
-   * is add things that should be rendered to the scene graph at the proper
-   * positions and then call wlr_scene_output_commit() to render a frame if
-   * necessary.
-   */
-  server.scene = wlr_scene_create();
-  server.scene_layout =
-      wlr_scene_attach_output_layout(server.scene, server.output_layout);
-
-  /* Set up xdg-shell version 3. The xdg-shell is a Wayland protocol which is
-   * used for application windows. For more detail on shells, refer to
-   * https://drewdevault.com/2018/07/29/Wayland-shells.html.
-   */
-  wl_list_init(&server.toplevels);
-  server.xdg_shell = wlr_xdg_shell_create(server.wl_display, 3);
-  server.new_xdg_toplevel.notify = server_new_xdg_toplevel;
-  wl_signal_add(&server.xdg_shell->events.new_toplevel,
-                &server.new_xdg_toplevel);
-  server.new_xdg_popup.notify = server_new_xdg_popup;
-  wl_signal_add(&server.xdg_shell->events.new_popup, &server.new_xdg_popup);
-
-  /*
-   * Creates a cursor, which is a wlroots utility for tracking the cursor
-   * image shown on screen.
-   */
-  server.cursor = wlr_cursor_create();
-  wlr_cursor_attach_output_layout(server.cursor, server.output_layout);
-
-  /* Creates an xcursor manager, another wlroots utility which loads up
-   * Xcursor themes to source cursor images from and makes sure that cursor
-   * images are available at all scale factors on the screen (necessary for
-   * HiDPI support). */
-  server.cursor_mgr = wlr_xcursor_manager_create(NULL, 24);
-
-  /*
-   * wlr_cursor *only* displays an image on screen. It does not move around
-   * when the pointer moves. However, we can attach input devices to it, and
-   * it will generate aggregate events for all of them. In these events, we
-   * can choose how we want to process them, forwarding them to clients and
-   * moving the cursor around. More detail on this process is described in
-   * https://drewdevault.com/2018/07/17/Input-handling-in-wlroots.html.
-   *
-   * And more comments are sprinkled throughout the notify functions above.
-   */
-  server.cursor_mode = TINYWL_CURSOR_PASSTHROUGH;
-  server.cursor_motion.notify = server_cursor_motion;
-  wl_signal_add(&server.cursor->events.motion, &server.cursor_motion);
-  server.cursor_motion_absolute.notify = server_cursor_motion_absolute;
-  wl_signal_add(&server.cursor->events.motion_absolute,
-                &server.cursor_motion_absolute);
-  server.cursor_button.notify = server_cursor_button;
-  wl_signal_add(&server.cursor->events.button, &server.cursor_button);
-  server.cursor_axis.notify = server_cursor_axis;
-  wl_signal_add(&server.cursor->events.axis, &server.cursor_axis);
-  server.cursor_frame.notify = server_cursor_frame;
-  wl_signal_add(&server.cursor->events.frame, &server.cursor_frame);
-
-  /*
-   * Configures a seat, which is a single "seat" at which a user sits and
-   * operates the computer. This conceptually includes up to one keyboard,
-   * pointer, touch, and drawing tablet device. We also rig up a listener to
-   * let us know when new input devices are available on the backend.
-   */
-  wl_list_init(&server.keyboards);
-  server.new_input.notify = server_new_input;
-  wl_signal_add(&server.backend->events.new_input, &server.new_input);
-  server.seat = wlr_seat_create(server.wl_display, "seat0");
-  server.request_cursor.notify = seat_request_cursor;
-  wl_signal_add(&server.seat->events.request_set_cursor,
-                &server.request_cursor);
-  server.request_set_selection.notify = seat_request_set_selection;
-  wl_signal_add(&server.seat->events.request_set_selection,
-                &server.request_set_selection);
-
-  /* Add a Unix socket to the Wayland display. */
-  const char *socket = wl_display_add_socket_auto(server.wl_display);
-  if (!socket) {
-    wlr_backend_destroy(server.backend);
-    return 1;
-  }
-
-  /* Start the backend. This will enumerate outputs and inputs, become the DRM
-   * master, etc */
-  if (!wlr_backend_start(server.backend)) {
-    wlr_backend_destroy(server.backend);
-    wl_display_destroy(server.wl_display);
-    return 1;
-  }
-
-  /* Set the WAYLAND_DISPLAY environment variable to our socket and run the
-   * startup command if requested. */
-  setenv("WAYLAND_DISPLAY", socket, true);
-  if (startup_cmd) {
-    if (fork() == 0) {
-      execl("/bin/sh", "/bin/sh", "-c", startup_cmd, (void *)NULL);
-    }
-  }
-  /* Run the Wayland event loop. This does not return until you exit the
-   * compositor. Starting the backend rigged up all of the necessary event
-   * loop configuration to listen to libinput events, DRM events, generate
-   * frame events at the refresh rate, and so on. */
-  wlr_log(WLR_INFO, "Running Wayland compositor on WAYLAND_DISPLAY=%s", socket);
-  wl_display_run(server.wl_display);
-
-  /* Once wl_display_run returns, we destroy all clients then shut down the
-   * server. */
-  wl_display_destroy_clients(server.wl_display);
-  wlr_scene_node_destroy(&server.scene->tree.node);
-  wlr_xcursor_manager_destroy(server.cursor_mgr);
-  wlr_output_layout_destroy(server.output_layout);
-  wl_display_destroy(server.wl_display);
-  return 0;
-}