Upgrade wlroots to v0.20

Breaking changes:
 - https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/5230

.github/workflows/main.yml

@@ -6,7 +6,7 @@ on:
     branches: [ master ]
 
 env:
-  WLROOTS_VERSION: 0.19
+  WLROOTS_VERSION: "0.20"
 
 jobs:
   compile:

README.md

@@ -21,7 +21,7 @@ All releases are published on [GitHub](https://github.com/cage-kiosk/cage/releas
 
 You can build Cage with the [meson](https://mesonbuild.com/) build system. It
 requires wayland, wlroots, and xkbcommon to be installed. Optionally, install
-scdoc for manual pages. Cage is currently based on branch 0.18 of wlroots.
+scdoc for manual pages. Cage is currently based on branch 0.20 of wlroots.
 
 Simply execute the following steps to build Cage:
 

cage.c

@@ -588,8 +588,8 @@ main(int argc, char *argv[])
 		struct wlr_xcursor *xcursor = wlr_xcursor_manager_get_xcursor(xcursor_manager, DEFAULT_XCURSOR, 1);
 		if (xcursor) {
 			struct wlr_xcursor_image *image = xcursor->images[0];
-			wlr_xwayland_set_cursor(xwayland, image->buffer, image->width * 4, image->width, image->height,
-						image->hotspot_x, image->hotspot_y);
+			wlr_xwayland_set_cursor(xwayland, wlr_xcursor_image_get_buffer(image), image->hotspot_x,
+						image->hotspot_y);
 		}
 	}
 #endif

meson.build

@@ -35,35 +35,11 @@ if is_freebsd
   )
 endif
 
-wlroots        = dependency('wlroots-0.19', fallback: ['wlroots', 'wlroots'])
-wayland_protos = dependency('wayland-protocols', version: '>=1.14')
+wlroots        = dependency('wlroots-0.20', fallback: ['wlroots', 'wlroots'])
 wayland_server = dependency('wayland-server')
 xkbcommon      = dependency('xkbcommon')
 math           = cc.find_library('m')
 
-wl_protocol_dir = wayland_protos.get_variable('pkgdatadir')
-wayland_scanner = find_program('wayland-scanner')
-wayland_scanner_server = generator(
-  wayland_scanner,
-  output: '@BASENAME@-protocol.h',
-  arguments: ['server-header', '@INPUT@', '@OUTPUT@'],
-)
-
-server_protocols = [
-  [wl_protocol_dir, 'stable/xdg-shell/xdg-shell.xml'],
-]
-
-server_protos_headers = []
-
-foreach p : server_protocols
-  xml = join_paths(p)
-  server_protos_headers += wayland_scanner_server.process(xml)
-endforeach
-
-server_protos = declare_dependency(
-  sources: server_protos_headers,
-)
-
 have_xwayland = wlroots.get_variable(pkgconfig: 'have_xwayland', internal: 'have_xwayland') == 'true'
 
 version = '@0@'.format(meson.project_version())
@@ -140,7 +116,6 @@ executable(
   meson.project_name(),
   cage_sources + cage_headers,
   dependencies: [
-    server_protos,
     wayland_server,
     wlroots,
     xkbcommon,