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-rw-r--r--examples/layer-shell.c211
-rw-r--r--examples/meson.build6
-rw-r--r--include/rootston/desktop.h5
-rw-r--r--include/rootston/layers.h19
-rw-r--r--include/rootston/view.h1
-rw-r--r--protocol/meson.build1
-rw-r--r--protocol/wlr-layer-shell-unstable-v1.xml5
-rw-r--r--rootston/desktop.c4
-rw-r--r--rootston/layer_shell.c54
-rw-r--r--rootston/meson.build1
10 files changed, 302 insertions, 5 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]
+)
diff --git a/include/rootston/desktop.h b/include/rootston/desktop.h
index 5ff9f5e2..ad7654a1 100644
--- a/include/rootston/desktop.h
+++ b/include/rootston/desktop.h
@@ -7,6 +7,7 @@
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_gamma_control.h>
#include <wlr/types/wlr_idle.h>
+#include <wlr/types/wlr_layer_shell.h>
#include <wlr/types/wlr_linux_dmabuf.h>
#include <wlr/types/wlr_list.h>
#include <wlr/types/wlr_output_layout.h>
@@ -28,6 +29,8 @@
struct roots_desktop {
struct wl_list views; // roots_view::link
+ struct wl_list layers[4]; // layer_surface::link
+
struct wl_list outputs; // roots_output::link
struct timespec last_frame;
@@ -55,6 +58,7 @@ struct roots_desktop {
struct wl_listener xdg_shell_v6_surface;
struct wl_listener xdg_shell_surface;
struct wl_listener wl_shell_surface;
+ struct wl_listener layer_shell_surface;
struct wl_listener decoration_new;
#ifdef WLR_HAS_XWAYLAND
@@ -88,6 +92,7 @@ void view_unmap(struct roots_view *view);
void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data);
void handle_xdg_shell_surface(struct wl_listener *listener, void *data);
void handle_wl_shell_surface(struct wl_listener *listener, void *data);
+void handle_layer_shell_surface(struct wl_listener *listener, void *data);
void handle_xwayland_surface(struct wl_listener *listener, void *data);
#endif
diff --git a/include/rootston/layers.h b/include/rootston/layers.h
new file mode 100644
index 00000000..269056ea
--- /dev/null
+++ b/include/rootston/layers.h
@@ -0,0 +1,19 @@
+#ifndef ROOTSTON_LAYERS_H
+#define ROOTSTON_LAYERS_H
+#include <stdbool.h>
+#include <wlr/config.h>
+#include <wlr/types/wlr_box.h>
+#include <wlr/types/wlr_surface.h>
+#include <wlr/types/wlr_layer_shell.h>
+
+struct roots_layer_surface {
+ struct wlr_layer_surface *layer_surface;
+ struct wl_list link;
+
+ struct wl_listener destroy;
+ struct wl_listener map;
+ struct wl_listener unmap;
+ struct wl_listener surface_commit;
+};
+
+#endif
diff --git a/include/rootston/view.h b/include/rootston/view.h
index 1397a8d2..6e746e8c 100644
--- a/include/rootston/view.h
+++ b/include/rootston/view.h
@@ -1,6 +1,5 @@
#ifndef ROOTSTON_VIEW_H
#define ROOTSTON_VIEW_H
-
#include <stdbool.h>
#include <wlr/config.h>
#include <wlr/types/wlr_box.h>
diff --git a/protocol/meson.build b/protocol/meson.build
index 8c8a7c0e..a41fdec3 100644
--- a/protocol/meson.build
+++ b/protocol/meson.build
@@ -39,6 +39,7 @@ client_protocols = [
[wl_protocol_dir, 'unstable/idle-inhibit/idle-inhibit-unstable-v1.xml'],
'idle.xml',
'screenshooter.xml',
+ 'wlr-layer-shell-unstable-v1.xml',
]
wl_protos_src = []
diff --git a/protocol/wlr-layer-shell-unstable-v1.xml b/protocol/wlr-layer-shell-unstable-v1.xml
index 285c9b8f..c4f2a7e3 100644
--- a/protocol/wlr-layer-shell-unstable-v1.xml
+++ b/protocol/wlr-layer-shell-unstable-v1.xml
@@ -222,9 +222,8 @@
</event>
<enum name="error">
- <entry name="invalid_input_device" value="0" summary="input device bitfield is invalid"/>
- <entry name="invalid_anchor" value="1" summary="anchor bitfield is invalid"/>
- <entry name="invalid_surface_state" value="2"
+ <entry name="invalid_anchor" value="0" summary="anchor bitfield is invalid"/>
+ <entry name="invalid_surface_state" value="1"
summary="the client provided an invalid surface state"/>
</enum>
diff --git a/rootston/desktop.c b/rootston/desktop.c
index dcf0b7b2..015a8215 100644
--- a/rootston/desktop.c
+++ b/rootston/desktop.c
@@ -716,7 +716,9 @@ struct roots_desktop *desktop_create(struct roots_server *server,
desktop->wl_shell_surface.notify = handle_wl_shell_surface;
desktop->layer_shell = wlr_layer_shell_create(server->wl_display);
- // TODO: Pick up new surfaces
+ wl_signal_add(&desktop->layer_shell->events.new_surface,
+ &desktop->layer_shell_surface);
+ desktop->layer_shell_surface.notify = handle_layer_shell_surface;
#ifdef WLR_HAS_XWAYLAND
const char *cursor_theme = NULL;
diff --git a/rootston/layer_shell.c b/rootston/layer_shell.c
new file mode 100644
index 00000000..50bf6466
--- /dev/null
+++ b/rootston/layer_shell.c
@@ -0,0 +1,54 @@
+#include <assert.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <wayland-server.h>
+#include <wlr/types/wlr_box.h>
+#include <wlr/types/wlr_surface.h>
+#include <wlr/types/wlr_layer_shell.h>
+#include <wlr/util/log.h>
+#include "rootston/desktop.h"
+#include "rootston/layers.h"
+#include "rootston/server.h"
+
+static void handle_destroy(struct wl_listener *listener, void *data) {
+ // TODO
+}
+
+static void handle_surface_commit(struct wl_listener *listener, void *data) {
+ // TODO
+}
+
+static void handle_map(struct wl_listener *listener, void *data) {
+ // TODO
+}
+
+static void handle_unmap(struct wl_listener *listener, void *data) {
+ // TODO
+}
+
+void handle_layer_shell_surface(struct wl_listener *listener, void *data) {
+ struct wlr_layer_surface *layer_surface = data;
+ struct roots_desktop *desktop =
+ wl_container_of(listener, desktop, layer_shell_surface);
+ wlr_log(L_DEBUG, "new layer surface: namespace %s layer %d",
+ layer_surface->namespace, layer_surface->layer);
+
+ struct roots_layer_surface *roots_surface =
+ calloc(1, sizeof(struct roots_layer_surface));
+ if (!roots_surface) {
+ return;
+ }
+ roots_surface->surface_commit.notify = handle_surface_commit;
+ wl_signal_add(&layer_surface->surface->events.commit,
+ &roots_surface->surface_commit);
+ roots_surface->destroy.notify = handle_destroy;
+ wl_signal_add(&layer_surface->events.destroy, &roots_surface->destroy);
+ roots_surface->map.notify = handle_map;
+ wl_signal_add(&layer_surface->events.map, &roots_surface->map);
+ roots_surface->unmap.notify = handle_unmap;
+ wl_signal_add(&layer_surface->events.unmap, &roots_surface->unmap);
+
+ roots_surface->layer_surface = layer_surface;
+
+ wl_list_insert(&desktop->layers[layer_surface->layer], &roots_surface->link);
+}
diff --git a/rootston/meson.build b/rootston/meson.build
index 9dbe37c2..1b78c7c8 100644
--- a/rootston/meson.build
+++ b/rootston/meson.build
@@ -5,6 +5,7 @@ sources = [
'ini.c',
'input.c',
'keyboard.c',
+ 'layer_shell.c',
'main.c',
'output.c',
'seat.c',