Updated for wlroots 0.15.0

.build.yml

@@ -9,7 +9,7 @@ packages:
   - libxkbcommon
 sources:
   - https://github.com/wizbright/waybox
-  - https://github.com/swaywm/wlroots
+  - https://gitlab.freedesktop.org/wlroots/wlroots
 tasks:
   - wlroots: |
       cd wlroots

CONTRIBUTING.md

@@ -1,4 +1,4 @@
-# Contributing to waybox
+# Contributing to Waybox
 
 Contributing just involves sending a pull request. You will probably be more
 successful with your contribution if you visit
@@ -8,7 +8,8 @@ irc.freenode.net upfront and discuss your plans.
 Note: rules are made to be broken. Adjust or ignore any/all of these as you see
 fit, but be prepared to justify it to your peers.
 
-This was amended from [wlroots](https://github.com/swaywm/wlroots) for the most part
+This was amended from [wlroots](https://gitlab.freedesktop.org/wlroots/wlroots)
+for the most part.
 
 ## Pull Requests
 

README.md

@@ -11,10 +11,10 @@ contributing.](https://github.com/wizbright/waybox/blob/master/CONTRIBUTING.md)
 
 ### Dependencies
 
-* meson
-* wlroots
-* wayland
-* xkbcommon
+* [Meson](https://mesonbuild.com/)
+* [wlroots](https://gitlab.freedesktop.org/wlroots/wlroots/)
+* [Wayland](https://wayland.freedesktop.org/)
+* [xkbcommon](https://xkbcommon.org/)
 
 ### Build instructions
 

include/waybox/server.h

@@ -8,6 +8,7 @@
 #include <stdio.h>
 
 #include <wlr/backend.h>
+#include <wlr/render/allocator.h>
 #include <wlr/render/wlr_renderer.h>
 #include <wlr/render/wlr_texture.h>
 #include <wlr/types/wlr_compositor.h>
@@ -34,6 +35,7 @@ struct wb_server {
 	struct wlr_backend *backend;
 	struct wlr_compositor *compositor;
 	struct wlr_renderer *renderer;
+	struct wlr_allocator *allocator;
 
 	struct wlr_output_layout *layout;
 	struct wb_cursor *cursor;

meson.build

@@ -23,7 +23,9 @@ cc = meson.get_compiler('c')
 # Adding include directory
 inc_dir = include_directories('include')
 
-wlroots = dependency('wlroots', version: '>=0.13.0')
+# Due to the planned refactor of xdg_shell in wlroots 0.16.0, I doubt this will
+# build when it's released
+wlroots = dependency('wlroots', version: ['>=0.15.0', '<0.16.0'])
 wayland_server = dependency('wayland-server', version: '>=1.15')
 wayland_protos  = dependency('wayland-protocols', version: '>=1.17')
 xkbcommon  = dependency('xkbcommon')

waybox/output.c

@@ -124,6 +124,10 @@ void new_output_notify(struct wl_listener *listener, void *data) {
 	struct wlr_output *wlr_output = data;
 	wlr_log(WLR_INFO, "%s: %s", _("New output device detected"), wlr_output->name);
 
+	/* Configures the output created by the backend to use our allocator
+         * and our renderer */
+	wlr_output_init_render(wlr_output, server->allocator, server->renderer);
+
 	if (!wl_list_empty(&wlr_output->modes)) {
 		struct wlr_output_mode *mode = wlr_output_preferred_mode(wlr_output);
 		wlr_output_set_mode(wlr_output, mode);

waybox/server.c

@@ -2,22 +2,36 @@
 #include "waybox/xdg_shell.h"
 
 bool wb_create_backend(struct wb_server* server) {
-	// create display
+	/* 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();
 	if (server->wl_display == NULL) {
 		wlr_log(WLR_ERROR, "%s", _("Failed to connect to a Wayland display"));
 		return false;
 	}
 
-	// create backend
+	/* 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(server->wl_display);
 	if (server->backend == NULL) {
 		return false;
 	}
 
-	server->renderer = wlr_backend_get_renderer(server->backend);
+	/* 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);
 	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);
+
 	server->compositor = wlr_compositor_create(server->wl_display,
 			server->renderer);
 	server->layout = wlr_output_layout_create();

waybox/xdg_shell.c

@@ -8,7 +8,7 @@ void focus_view(struct wb_view *view, struct wlr_surface *surface) {
 	struct wlr_xdg_surface *xdg_surface = wlr_xdg_surface_from_wlr_surface(surface);
 	if (xdg_surface)
 		wlr_log(WLR_INFO, "%s: %s", _("Keyboard focus is now on surface"),
-				wlr_xdg_surface_from_wlr_surface(surface)->toplevel->app_id);
+				xdg_surface->toplevel->app_id);
 	struct wb_server *server = view->server;
 	struct wlr_seat *seat = server->seat->seat;
 	struct wlr_surface *prev_surface = seat->keyboard_state.focused_surface;