[PATCH weston v3 3/3] clients: Add simple-notification
Quentin Glidic
sardemff7+wayland at sardemff7.net
Wed Apr 3 10:13:20 PDT 2013
From: Quentin Glidic <sardemff7+git at sardemff7.net>
Signed-off-by: Quentin Glidic <sardemff7+git at sardemff7.net>
---
A copy of simple-shm to test the usage of the notification interface
clients/.gitignore | 3 +
clients/Makefile.am | 11 ++
clients/simple-notification.c | 387 ++++++++++++++++++++++++++++++++++++++++++
3 files changed, 401 insertions(+)
create mode 100644 clients/simple-notification.c
diff --git a/clients/.gitignore b/clients/.gitignore
index dcd4564..e07075e 100644
--- a/clients/.gitignore
+++ b/clients/.gitignore
@@ -17,6 +17,7 @@ resizor
screenshooter-client-protocol.h
screenshooter-protocol.c
simple-egl
+simple-notification
simple-shm
simple-touch
smoke
@@ -34,6 +35,8 @@ weston-screensaver
weston-screenshooter
weston-tablet-shell
weston-terminal
+wl-notification-daemon-client-protocol.h
+wl-notification-daemon-protocol.c
workspaces-client-protocol.h
workspaces-protocol.c
weston-simple-im
diff --git a/clients/Makefile.am b/clients/Makefile.am
index 8c9bcd4..e500717 100644
--- a/clients/Makefile.am
+++ b/clients/Makefile.am
@@ -25,9 +25,18 @@ AM_CPPFLAGS = \
if BUILD_SIMPLE_CLIENTS
simple_clients_programs = \
+ simple-notification \
simple-shm \
simple-touch
+simple_notification_SOURCES = \
+ simple-notification.c \
+ wl-notification-daemon-protocol.c \
+ ../shared/os-compatibility.c \
+ ../shared/os-compatibility.h
+simple_notification_CPPFLAGS = $(SIMPLE_CLIENT_CFLAGS)
+simple_notification_LDADD = $(SIMPLE_CLIENT_LIBS)
+
simple_shm_SOURCES = simple-shm.c \
../shared/os-compatibility.c \
../shared/os-compatibility.h
@@ -185,6 +194,8 @@ BUILT_SOURCES = \
desktop-shell-protocol.c \
tablet-shell-client-protocol.h \
tablet-shell-protocol.c \
+ wl-notification-daemon-client-protocol.h \
+ wl-notification-daemon-protocol.c \
workspaces-client-protocol.h \
workspaces-protocol.c
diff --git a/clients/simple-notification.c b/clients/simple-notification.c
new file mode 100644
index 0000000..469d3cf
--- /dev/null
+++ b/clients/simple-notification.c
@@ -0,0 +1,387 @@
+/*
+ * Copyright © 2011 Benjamin Franzke
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no representations
+ * about the suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+#include <assert.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <signal.h>
+
+#include <wayland-client.h>
+#include "wl-notification-daemon-client-protocol.h"
+#include "../shared/os-compatibility.h"
+
+struct display {
+ struct wl_display *display;
+ struct wl_registry *registry;
+ struct wl_compositor *compositor;
+ struct wl_notification_daemon *notification_daemon;
+ struct wl_shm *shm;
+ uint32_t formats;
+};
+
+struct buffer {
+ struct wl_buffer *buffer;
+ void *shm_data;
+ int busy;
+};
+
+struct window {
+ struct display *display;
+ int width, height;
+ struct wl_surface *surface;
+ struct buffer buffers[2];
+ struct buffer *prev_buffer;
+ struct wl_callback *callback;
+};
+
+static void
+buffer_release(void *data, struct wl_buffer *buffer)
+{
+ struct buffer *mybuf = data;
+
+ mybuf->busy = 0;
+}
+
+static const struct wl_buffer_listener buffer_listener = {
+ buffer_release
+};
+
+static int
+create_shm_buffer(struct display *display, struct buffer *buffer,
+ int width, int height, uint32_t format)
+{
+ struct wl_shm_pool *pool;
+ int fd, size, stride;
+ void *data;
+
+ stride = width * 4;
+ size = stride * height;
+
+ fd = os_create_anonymous_file(size);
+ if (fd < 0) {
+ fprintf(stderr, "creating a buffer file for %d B failed: %m\n",
+ size);
+ return -1;
+ }
+
+ data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ if (data == MAP_FAILED) {
+ fprintf(stderr, "mmap failed: %m\n");
+ close(fd);
+ return -1;
+ }
+
+ pool = wl_shm_create_pool(display->shm, fd, size);
+ buffer->buffer = wl_shm_pool_create_buffer(pool, 0,
+ width, height,
+ stride, format);
+ wl_buffer_add_listener(buffer->buffer, &buffer_listener, buffer);
+ wl_shm_pool_destroy(pool);
+ close(fd);
+
+ buffer->shm_data = data;
+
+ return 0;
+}
+
+static struct window *
+create_window(struct display *display, int width, int height)
+{
+ struct window *window;
+
+ window = calloc(1, sizeof *window);
+ if (!window)
+ return NULL;
+
+ window->callback = NULL;
+ window->display = display;
+ window->width = width;
+ window->height = height;
+ window->surface = wl_compositor_create_surface(display->compositor);
+ wl_notification_daemon_add_surface(display->notification_daemon, window->surface);
+
+ return window;
+}
+
+static void
+destroy_window(struct window *window)
+{
+ if (window->callback)
+ wl_callback_destroy(window->callback);
+
+ if (window->buffers[0].buffer)
+ wl_buffer_destroy(window->buffers[0].buffer);
+ if (window->buffers[1].buffer)
+ wl_buffer_destroy(window->buffers[1].buffer);
+
+ wl_surface_destroy(window->surface);
+ free(window);
+}
+
+static struct buffer *
+window_next_buffer(struct window *window)
+{
+ struct buffer *buffer;
+ int ret = 0;
+
+ if (!window->buffers[0].busy)
+ buffer = &window->buffers[0];
+ else if (!window->buffers[1].busy)
+ buffer = &window->buffers[1];
+ else
+ return NULL;
+
+ if (!buffer->buffer) {
+ ret = create_shm_buffer(window->display, buffer,
+ window->width, window->height,
+ WL_SHM_FORMAT_XRGB8888);
+
+ if (ret < 0)
+ return NULL;
+
+ /* paint the padding */
+ memset(buffer->shm_data, 0xff,
+ window->width * window->height * 4);
+ }
+
+ return buffer;
+}
+
+static void
+paint_pixels(void *image, int padding, int width, int height, uint32_t time)
+{
+ const int halfh = padding + (height - padding * 2) / 2;
+ const int halfw = padding + (width - padding * 2) / 2;
+ int ir, or;
+ uint32_t *pixel = image;
+ int y;
+
+ /* squared radii thresholds */
+ or = (halfw < halfh ? halfw : halfh) - 8;
+ ir = or - 32;
+ or *= or;
+ ir *= ir;
+
+ pixel += padding * width;
+ for (y = padding; y < height - padding; y++) {
+ int x;
+ int y2 = (y - halfh) * (y - halfh);
+
+ pixel += padding;
+ for (x = padding; x < width - padding; x++) {
+ uint32_t v;
+
+ /* squared distance from center */
+ int r2 = (x - halfw) * (x - halfw) + y2;
+
+ if (r2 < ir)
+ v = (r2 / 32 + time / 64) * 0x0080401;
+ else if (r2 < or)
+ v = (y + time / 32) * 0x0080401;
+ else
+ v = (x + time / 16) * 0x0080401;
+ v &= 0x00ffffff;
+
+ /* cross if compositor uses X from XRGB as alpha */
+ if (abs(x - y) > 6 && abs(x + y - height) > 6)
+ v |= 0xff000000;
+
+ *pixel++ = v;
+ }
+
+ pixel += padding;
+ }
+}
+
+static const struct wl_callback_listener frame_listener;
+
+static void
+redraw(void *data, struct wl_callback *callback, uint32_t time)
+{
+ struct window *window = data;
+ struct buffer *buffer;
+
+ buffer = window_next_buffer(window);
+ if (!buffer) {
+ fprintf(stderr,
+ !callback ? "Failed to create the first buffer.\n" :
+ "Both buffers busy at redraw(). Server bug?\n");
+ abort();
+ }
+
+ paint_pixels(buffer->shm_data, 20, window->width, window->height, time);
+
+ wl_surface_attach(window->surface, buffer->buffer, 0, 0);
+ wl_surface_damage(window->surface,
+ 20, 20, window->width - 40, window->height - 40);
+
+ if (callback)
+ wl_callback_destroy(callback);
+
+ window->callback = wl_surface_frame(window->surface);
+ wl_callback_add_listener(window->callback, &frame_listener, window);
+ wl_surface_commit(window->surface);
+ buffer->busy = 1;
+}
+
+static const struct wl_callback_listener frame_listener = {
+ redraw
+};
+
+static void
+shm_format(void *data, struct wl_shm *wl_shm, uint32_t format)
+{
+ struct display *d = data;
+
+ d->formats |= (1 << format);
+}
+
+struct wl_shm_listener shm_listenter = {
+ shm_format
+};
+
+static void
+registry_handle_global(void *data, struct wl_registry *registry,
+ uint32_t id, const char *interface, uint32_t version)
+{
+ struct display *d = data;
+
+ if (strcmp(interface, "wl_compositor") == 0) {
+ d->compositor =
+ wl_registry_bind(registry,
+ id, &wl_compositor_interface, 1);
+ } else if (strcmp(interface, "wl_notification_daemon") == 0) {
+ d->notification_daemon = wl_registry_bind(registry,
+ id, &wl_notification_daemon_interface, 1);
+ } else if (strcmp(interface, "wl_shm") == 0) {
+ d->shm = wl_registry_bind(registry,
+ id, &wl_shm_interface, 1);
+ wl_shm_add_listener(d->shm, &shm_listenter, d);
+ }
+}
+
+static void
+registry_handle_global_remove(void *data, struct wl_registry *registry,
+ uint32_t name)
+{
+}
+
+static const struct wl_registry_listener registry_listener = {
+ registry_handle_global,
+ registry_handle_global_remove
+};
+
+static struct display *
+create_display(void)
+{
+ struct display *display;
+
+ display = malloc(sizeof *display);
+ display->display = wl_display_connect(NULL);
+ assert(display->display);
+
+ display->formats = 0;
+ display->registry = wl_display_get_registry(display->display);
+ wl_registry_add_listener(display->registry,
+ ®istry_listener, display);
+ wl_display_roundtrip(display->display);
+ if (display->shm == NULL) {
+ fprintf(stderr, "No wl_shm global\n");
+ exit(1);
+ }
+
+ wl_display_roundtrip(display->display);
+
+ if (!(display->formats & (1 << WL_SHM_FORMAT_XRGB8888))) {
+ fprintf(stderr, "WL_SHM_FORMAT_XRGB32 not available\n");
+ exit(1);
+ }
+
+ wl_display_get_fd(display->display);
+
+ return display;
+}
+
+static void
+destroy_display(struct display *display)
+{
+ if (display->shm)
+ wl_shm_destroy(display->shm);
+
+ if (display->notification_daemon)
+ wl_notification_daemon_destroy(display->notification_daemon);
+
+ if (display->compositor)
+ wl_compositor_destroy(display->compositor);
+
+ wl_registry_destroy(display->registry);
+ wl_display_flush(display->display);
+ wl_display_disconnect(display->display);
+ free(display);
+}
+
+static int running = 1;
+
+static void
+signal_int(int signum)
+{
+ running = 0;
+}
+
+int
+main(int argc, char **argv)
+{
+ struct sigaction sigint;
+ struct display *display;
+ struct window *window;
+ int ret = 0;
+
+ display = create_display();
+ window = create_window(display, 250, 50);
+ if (!window)
+ return 1;
+
+ sigint.sa_handler = signal_int;
+ sigemptyset(&sigint.sa_mask);
+ sigint.sa_flags = SA_RESETHAND;
+ sigaction(SIGINT, &sigint, NULL);
+
+ /* Initialise damage to full surface, so the padding gets painted */
+ wl_surface_damage(window->surface, 0, 0,
+ window->width, window->height);
+
+ redraw(window, NULL, 0);
+
+ while (running && ret != -1)
+ ret = wl_display_dispatch(display->display);
+
+ fprintf(stderr, "simple-notification exiting\n");
+ destroy_window(window);
+ destroy_display(display);
+
+ return 0;
+}
--
1.8.2
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