Drew DeVault
7 years ago
parent
88eec637a4
commit
b31ce4220c
@ -0,0 +1,211 @@
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#define _POSIX_C_SOURCE 2
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#include <GLES2/gl2.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <wayland-client.h>
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#include <wayland-egl.h>
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#include <wlr/render/egl.h>
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#include <wlr/util/log.h>
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#include "wlr-layer-shell-unstable-v1-client-protocol.h"
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static struct wl_compositor *compositor = NULL;
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static struct zwlr_layer_shell_v1 *layer_shell = NULL;
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static struct wl_output *wl_output = NULL;
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struct wl_surface *wl_surface;
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struct wlr_egl egl;
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struct wl_egl_window *egl_window;
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struct wlr_egl_surface *egl_surface;
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struct wl_callback *frame_callback;
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static uint32_t output = 0;
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static uint32_t layer = -1;
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static uint32_t anchor = 0;
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static uint32_t width = 256, height = 256;
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static void draw(void);
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static void surface_frame_callback(
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void *data, struct wl_callback *cb, uint32_t time) {
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wl_callback_destroy(cb);
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frame_callback = NULL;
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draw();
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}
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static struct wl_callback_listener frame_listener = {
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.done = surface_frame_callback
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};
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static void draw(void) {
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eglMakeCurrent(egl.display, egl_surface, egl_surface, egl.context);
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wlr_log(L_DEBUG, "Drawing frame");
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float color[] = {1.0, 0.0, 0.0, 1.0};
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glViewport(0, 0, width, height);
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glClearColor(color[0], color[1], color[2], 1.0);
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glClear(GL_COLOR_BUFFER_BIT);
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eglSwapBuffers(egl.display, egl_surface);
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frame_callback = wl_surface_frame(wl_surface);
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wl_callback_add_listener(frame_callback, &frame_listener, NULL);
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}
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static void layer_surface_configure(void *data,
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struct zwlr_layer_surface_v1 *surface,
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uint32_t serial, uint32_t w, uint32_t h) {
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width = w;
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height = h;
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zwlr_layer_surface_v1_ack_configure(surface, serial);
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}
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struct zwlr_layer_surface_v1_listener layer_surface_listener = {
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.configure = layer_surface_configure,
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};
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static void handle_global(void *data, struct wl_registry *registry,
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uint32_t name, const char *interface, uint32_t version) {
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if (strcmp(interface, "wl_compositor") == 0) {
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compositor = wl_registry_bind(registry, name,
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&wl_compositor_interface, 1);
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} else if (strcmp(interface, "wl_output") == 0) {
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if (output == 0) {
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wl_output = wl_registry_bind(registry, name,
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&wl_output_interface, 1);
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} else {
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output--;
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}
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} else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
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layer_shell = wl_registry_bind(
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registry, name, &zwlr_layer_shell_v1_interface, 1);
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}
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}
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static void handle_global_remove(void *data, struct wl_registry *registry,
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uint32_t name) {
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// who cares
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}
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static const struct wl_registry_listener registry_listener = {
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.global = handle_global,
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.global_remove = handle_global_remove,
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};
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int main(int argc, char **argv) {
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wlr_log_init(L_DEBUG, NULL);
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char *namespace = "wlroots";
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bool found;
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int c;
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while ((c = getopt(argc, argv, "w:h:o:"))) {
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switch (c) {
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case 'o':
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output = atoi(optarg);
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break;
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case 'w':
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width = atoi(optarg);
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break;
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case 'h':
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height = atoi(optarg);
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break;
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case 'l': {
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struct {
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char *name;
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enum zwlr_layer_shell_v1_layer value;
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} layers[] = {
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{ "background", ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND },
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{ "bottom", ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM },
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{ "top", ZWLR_LAYER_SHELL_V1_LAYER_TOP },
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{ "overlay", ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY },
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};
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found = false;
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for (size_t i = 0; i < sizeof(layers) / sizeof(layers[0]); ++i) {
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if (strcmp(optarg, layers[i].name)) {
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layer = layers[i].value;
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found = true;
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break;
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}
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}
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if (!found) {
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fprintf(stderr, "invalid layer %s\n", optarg);
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return 1;
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}
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break;
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}
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case 'a': {
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struct {
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char *name;
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uint32_t value;
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} anchors[] = {
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{ "top", ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP },
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{ "bottom", ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM },
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{ "left", ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT },
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{ "right", ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT },
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};
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found = false;
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for (size_t i = 0; i < sizeof(anchors) / sizeof(anchors[0]); ++i) {
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if (strcmp(optarg, anchors[i].name)) {
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anchor |= anchors[i].value;
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found = true;
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break;
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}
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}
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if (!found) {
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fprintf(stderr, "invalid anchor %s\n", optarg);
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return 1;
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}
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}
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default:
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break;
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}
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}
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struct wl_display *display = wl_display_connect(NULL);
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if (display == NULL) {
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fprintf(stderr, "Failed to create display\n");
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return 1;
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}
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struct wl_registry *registry = wl_display_get_registry(display);
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wl_registry_add_listener(registry, ®istry_listener, NULL);
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wl_display_dispatch(display);
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wl_display_roundtrip(display);
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if (compositor == NULL) {
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fprintf(stderr, "wl-compositor not available\n");
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return 1;
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}
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if (layer_shell == NULL) {
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fprintf(stderr, "layer-shell not available\n");
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return 1;
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}
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if (wl_output == NULL) {
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fprintf(stderr, "wl_output not available\n");
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return 1;
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}
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wlr_egl_init(&egl, EGL_PLATFORM_WAYLAND_EXT, display, NULL,
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WL_SHM_FORMAT_ARGB8888);
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wl_surface = wl_compositor_create_surface(compositor);
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struct zwlr_layer_surface_v1 *layer_surface =
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zwlr_layer_shell_v1_get_layer_surface(layer_shell,
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wl_surface, wl_output, layer, namespace);
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zwlr_layer_surface_v1_set_anchor(layer_surface, anchor);
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// TODO: margin, interactivity, exclusive zone
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wl_surface_commit(wl_surface);
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egl_window = wl_egl_window_create(wl_surface, width, height);
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egl_surface = wlr_egl_create_surface(&egl, egl_window);
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wl_display_roundtrip(display);
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draw();
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while (wl_display_dispatch(display) != -1) {
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// This space intentionally left blank
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}
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return 0;
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}
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@ -0,0 +1,19 @@
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#ifndef ROOTSTON_LAYERS_H
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#define ROOTSTON_LAYERS_H
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#include <stdbool.h>
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#include <wlr/config.h>
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#include <wlr/types/wlr_box.h>
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#include <wlr/types/wlr_surface.h>
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#include <wlr/types/wlr_layer_shell.h>
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struct roots_layer_surface {
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struct wlr_layer_surface *layer_surface;
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struct wl_list link;
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struct wl_listener destroy;
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struct wl_listener map;
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struct wl_listener unmap;
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struct wl_listener surface_commit;
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};
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#endif
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@ -0,0 +1,54 @@
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#include <assert.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <wayland-server.h>
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#include <wlr/types/wlr_box.h>
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#include <wlr/types/wlr_surface.h>
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#include <wlr/types/wlr_layer_shell.h>
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#include <wlr/util/log.h>
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#include "rootston/desktop.h"
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#include "rootston/layers.h"
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#include "rootston/server.h"
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static void handle_destroy(struct wl_listener *listener, void *data) {
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// TODO
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}
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static void handle_surface_commit(struct wl_listener *listener, void *data) {
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// TODO
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}
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static void handle_map(struct wl_listener *listener, void *data) {
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// TODO
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}
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static void handle_unmap(struct wl_listener *listener, void *data) {
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// TODO
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}
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void handle_layer_shell_surface(struct wl_listener *listener, void *data) {
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struct wlr_layer_surface *layer_surface = data;
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struct roots_desktop *desktop =
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wl_container_of(listener, desktop, layer_shell_surface);
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wlr_log(L_DEBUG, "new layer surface: namespace %s layer %d",
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layer_surface->namespace, layer_surface->layer);
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struct roots_layer_surface *roots_surface =
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calloc(1, sizeof(struct roots_layer_surface));
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if (!roots_surface) {
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return;
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}
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roots_surface->surface_commit.notify = handle_surface_commit;
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wl_signal_add(&layer_surface->surface->events.commit,
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&roots_surface->surface_commit);
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roots_surface->destroy.notify = handle_destroy;
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wl_signal_add(&layer_surface->events.destroy, &roots_surface->destroy);
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roots_surface->map.notify = handle_map;
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wl_signal_add(&layer_surface->events.map, &roots_surface->map);
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roots_surface->unmap.notify = handle_unmap;
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wl_signal_add(&layer_surface->events.unmap, &roots_surface->unmap);
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roots_surface->layer_surface = layer_surface;
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wl_list_insert(&desktop->layers[layer_surface->layer], &roots_surface->link);
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}
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