Add broken test client and rootston stubs

2 files changed, 217 insertions, 0 deletions

diff --git a/examples/layer-shell.c b/examples/layer-shell.c
new file mode 100644
index 00000000..285bec5a
--- /dev/null
+++ b/examples/layer-shell.c
@@ -0,0 +1,211 @@
+#define _POSIX_C_SOURCE 2
+#include <GLES2/gl2.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <wayland-client.h>
+#include <wayland-egl.h>
+#include <wlr/render/egl.h>
+#include <wlr/util/log.h>
+#include "wlr-layer-shell-unstable-v1-client-protocol.h"
+
+static struct wl_compositor *compositor = NULL;
+static struct zwlr_layer_shell_v1 *layer_shell = NULL;
+static struct wl_output *wl_output = NULL;
+
+struct wl_surface *wl_surface;
+struct wlr_egl egl;
+struct wl_egl_window *egl_window;
+struct wlr_egl_surface *egl_surface;
+struct wl_callback *frame_callback;
+
+static uint32_t output = 0;
+static uint32_t layer = -1;
+static uint32_t anchor = 0;
+static uint32_t width = 256, height = 256;
+
+static void draw(void);
+
+static void surface_frame_callback(
+		void *data, struct wl_callback *cb, uint32_t time) {
+	wl_callback_destroy(cb);
+	frame_callback = NULL;
+	draw();
+}
+
+static struct wl_callback_listener frame_listener = {
+	.done = surface_frame_callback
+};
+
+static void draw(void) {
+	eglMakeCurrent(egl.display, egl_surface, egl_surface, egl.context);
+	wlr_log(L_DEBUG, "Drawing frame");
+
+	float color[] = {1.0, 0.0, 0.0, 1.0};
+	glViewport(0, 0, width, height);
+	glClearColor(color[0], color[1], color[2], 1.0);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	eglSwapBuffers(egl.display, egl_surface);
+
+	frame_callback = wl_surface_frame(wl_surface);
+	wl_callback_add_listener(frame_callback, &frame_listener, NULL);
+}
+
+static void layer_surface_configure(void *data,
+		struct zwlr_layer_surface_v1 *surface,
+		uint32_t serial, uint32_t w, uint32_t h) {
+	width = w;
+	height = h;
+	zwlr_layer_surface_v1_ack_configure(surface, serial);
+}
+
+struct zwlr_layer_surface_v1_listener layer_surface_listener = {
+	.configure = layer_surface_configure,
+};
+
+static void handle_global(void *data, struct wl_registry *registry,
+		uint32_t name, const char *interface, uint32_t version) {
+	if (strcmp(interface, "wl_compositor") == 0) {
+		compositor = wl_registry_bind(registry, name,
+				&wl_compositor_interface, 1);
+	} else if (strcmp(interface, "wl_output") == 0) {
+		if (output == 0) {
+			wl_output = wl_registry_bind(registry, name,
+					&wl_output_interface, 1);
+		} else {
+			output--;
+		}
+	} else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
+		layer_shell = wl_registry_bind(
+				registry, name, &zwlr_layer_shell_v1_interface, 1);
+	}
+}
+
+static void handle_global_remove(void *data, struct wl_registry *registry,
+		uint32_t name) {
+	// who cares
+}
+
+static const struct wl_registry_listener registry_listener = {
+	.global = handle_global,
+	.global_remove = handle_global_remove,
+};
+
+int main(int argc, char **argv) {
+	wlr_log_init(L_DEBUG, NULL);
+	char *namespace = "wlroots";
+	bool found;
+	int c;
+	while ((c = getopt(argc, argv, "w:h:o:"))) {
+		switch (c) {
+		case 'o':
+			output = atoi(optarg);
+			break;
+		case 'w':
+			width = atoi(optarg);
+			break;
+		case 'h':
+			height = atoi(optarg);
+			break;
+		case 'l': {
+			struct {
+				char *name;
+				enum zwlr_layer_shell_v1_layer value;
+			} layers[] = {
+				{ "background", ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND },
+				{ "bottom", ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM },
+				{ "top", ZWLR_LAYER_SHELL_V1_LAYER_TOP },
+				{ "overlay", ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY },
+			};
+			found = false;
+			for (size_t i = 0; i < sizeof(layers) / sizeof(layers[0]); ++i) {
+				if (strcmp(optarg, layers[i].name)) {
+					layer = layers[i].value;
+					found = true;
+					break;
+				}
+			}
+			if (!found) {
+				fprintf(stderr, "invalid layer %s\n", optarg);
+				return 1;
+			}
+			break;
+		}
+		case 'a': {
+			struct {
+				char *name;
+				uint32_t value;
+			} anchors[] = {
+				{ "top", ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP },
+				{ "bottom", ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM },
+				{ "left", ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT },
+				{ "right", ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT },
+			};
+			found = false;
+			for (size_t i = 0; i < sizeof(anchors) / sizeof(anchors[0]); ++i) {
+				if (strcmp(optarg, anchors[i].name)) {
+					anchor |= anchors[i].value;
+					found = true;
+					break;
+				}
+			}
+			if (!found) {
+				fprintf(stderr, "invalid anchor %s\n", optarg);
+				return 1;
+			}
+		}
+		default:
+			break;
+		}
+	}
+
+	struct wl_display *display = wl_display_connect(NULL);
+	if (display == NULL) {
+		fprintf(stderr, "Failed to create display\n");
+		return 1;
+	}
+
+	struct wl_registry *registry = wl_display_get_registry(display);
+	wl_registry_add_listener(registry, &registry_listener, NULL);
+	wl_display_dispatch(display);
+	wl_display_roundtrip(display);
+
+	if (compositor == NULL) {
+		fprintf(stderr, "wl-compositor not available\n");
+		return 1;
+	}
+	if (layer_shell == NULL) {
+		fprintf(stderr, "layer-shell not available\n");
+		return 1;
+	}
+	if (wl_output == NULL) {
+		fprintf(stderr, "wl_output not available\n");
+		return 1;
+	}
+
+	wlr_egl_init(&egl, EGL_PLATFORM_WAYLAND_EXT, display, NULL,
+		WL_SHM_FORMAT_ARGB8888);
+
+	wl_surface = wl_compositor_create_surface(compositor);
+
+	struct zwlr_layer_surface_v1 *layer_surface =
+		zwlr_layer_shell_v1_get_layer_surface(layer_shell,
+				wl_surface, wl_output, layer, namespace);
+	zwlr_layer_surface_v1_set_anchor(layer_surface, anchor);
+	// TODO: margin, interactivity, exclusive zone
+
+	wl_surface_commit(wl_surface);
+
+	egl_window = wl_egl_window_create(wl_surface, width, height);
+	egl_surface = wlr_egl_create_surface(&egl, egl_window);
+
+	wl_display_roundtrip(display);
+	draw();
+
+	while (wl_display_dispatch(display) != -1) {
+		// This space intentionally left blank
+	}
+	return 0;
+}
diff --git a/examples/meson.build b/examples/meson.build
index a83def8f..558af4ac 100644
--- a/examples/meson.build
+++ b/examples/meson.build
@@ -48,3 +48,9 @@ executable(
 	dependencies: [wayland_client, wlr_protos, wlroots, threads],
 	link_with: lib_shared,
 )
+
+executable(
+	'layer-shell',
+	'layer-shell.c',
+	dependencies: [wayland_client, wlr_protos, wlroots]
+)