--- /dev/null
+/*
+ * Copyright © 2011 Benjamin Franzke
+ * Copyright © 2011 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 <wayland-client.h>
+#include <wayland-egl.h>
+
+struct touch {
+ struct wl_display *display;
+ struct wl_compositor *compositor;
+ struct wl_shell *shell;
+ struct wl_shm *shm;
+ struct wl_input_device *input_device;
+ struct wl_surface *surface;
+ struct wl_shell_surface *shell_surface;
+ struct wl_buffer *buffer;
+ int has_argb;
+ uint32_t mask;
+ int width, height;
+ void *data;
+};
+
+static void
+create_shm_buffer(struct touch *touch)
+{
+ char filename[] = "/tmp/wayland-shm-XXXXXX";
+ int fd, size, stride;
+
+ fd = mkstemp(filename);
+ if (fd < 0) {
+ fprintf(stderr, "open %s failed: %m\n", filename);
+ exit(1);
+ }
+ stride = touch->width * 4;
+ size = stride * touch->height;
+ if (ftruncate(fd, size) < 0) {
+ fprintf(stderr, "ftruncate failed: %m\n");
+ close(fd);
+ exit(1);
+ }
+
+ touch->data =
+ mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ unlink(filename);
+
+ if (touch->data == MAP_FAILED) {
+ fprintf(stderr, "mmap failed: %m\n");
+ close(fd);
+ exit(1);
+ }
+
+ touch->buffer =
+ wl_shm_create_buffer(touch->shm, fd,
+ touch->width, touch->height, stride,
+ WL_SHM_FORMAT_PREMULTIPLIED_ARGB32);
+
+ close(fd);
+}
+
+static void
+shm_format(void *data, struct wl_shm *wl_shm, uint32_t format)
+{
+ struct touch *touch = data;
+
+ if (format == WL_SHM_FORMAT_PREMULTIPLIED_ARGB32)
+ touch->has_argb = 1;
+}
+
+struct wl_shm_listener shm_listenter = {
+ shm_format
+};
+
+
+static void
+input_device_handle_motion(void *data, struct wl_input_device *input_device,
+ uint32_t time,
+ int32_t x, int32_t y, int32_t sx, int32_t sy)
+{
+}
+
+static void
+input_device_handle_button(void *data,
+ struct wl_input_device *input_device,
+ uint32_t time, uint32_t button, uint32_t state)
+{
+}
+
+static void
+input_device_handle_key(void *data, struct wl_input_device *input_device,
+ uint32_t time, uint32_t key, uint32_t state)
+{
+}
+
+static void
+input_device_handle_pointer_focus(void *data,
+ struct wl_input_device *input_device,
+ uint32_t time, struct wl_surface *surface,
+ int32_t x, int32_t y, int32_t sx, int32_t sy)
+{
+}
+
+static void
+input_device_handle_keyboard_focus(void *data,
+ struct wl_input_device *input_device,
+ uint32_t time,
+ struct wl_surface *surface,
+ struct wl_array *keys)
+{
+}
+
+static void
+touch_paint(struct touch *touch, int32_t x, int32_t y, int32_t id)
+{
+ uint32_t *p, c;
+ static const uint32_t colors[] = {
+ 0xffff0000,
+ 0xffffff00,
+ 0xff0000ff,
+ 0xffff00ff,
+ };
+
+ if (id < ARRAY_LENGTH(colors))
+ c = colors[id];
+ else
+ c = 0xffffffff;
+
+ if (x < 1 || touch->width - 1 < x ||
+ y < 1 || touch->height - 1 < y)
+ return;
+
+ p = (uint32_t *) touch->data + (x - 1) + (y -1 ) * touch->width;
+ p[1] = c;
+ p += touch->width;
+ p[0] = c;
+ p[1] = c;
+ p[2] = c;
+ p += touch->width;
+ p[1] = c;
+
+ wl_buffer_damage(touch->buffer, 0, 0, touch->width, touch->height);
+ wl_surface_damage(touch->surface,
+ 0, 0, touch->width, touch->height);
+}
+
+static void
+input_device_handle_touch_down(void *data,
+ struct wl_input_device *wl_input_device,
+ uint32_t time, struct wl_surface *surface,
+ int32_t id, int32_t x, int32_t y)
+{
+ struct touch *touch = data;
+
+ touch_paint(touch, x, y, id);
+}
+
+static void
+input_device_handle_touch_up(void *data,
+ struct wl_input_device *wl_input_device,
+ uint32_t time, int32_t id)
+{
+}
+
+static void
+input_device_handle_touch_motion(void *data,
+ struct wl_input_device *wl_input_device,
+ uint32_t time,
+ int32_t id, int32_t x, int32_t y)
+{
+ struct touch *touch = data;
+
+ touch_paint(touch, x, y, id);
+}
+
+static void
+input_device_handle_touch_frame(void *data,
+ struct wl_input_device *wl_input_device)
+{
+}
+
+static void
+input_device_handle_touch_cancel(void *data,
+ struct wl_input_device *wl_input_device)
+{
+}
+
+static const struct wl_input_device_listener input_device_listener = {
+ input_device_handle_motion,
+ input_device_handle_button,
+ input_device_handle_key,
+ input_device_handle_pointer_focus,
+ input_device_handle_keyboard_focus,
+ input_device_handle_touch_down,
+ input_device_handle_touch_up,
+ input_device_handle_touch_motion,
+ input_device_handle_touch_frame,
+ input_device_handle_touch_cancel,
+};
+
+static void
+handle_global(struct wl_display *display, uint32_t id,
+ const char *interface, uint32_t version, void *data)
+{
+ struct touch *touch = data;
+
+ if (strcmp(interface, "wl_compositor") == 0) {
+ touch->compositor =
+ wl_display_bind(display, id, &wl_compositor_interface);
+ } else if (strcmp(interface, "wl_shell") == 0) {
+ touch->shell =
+ wl_display_bind(display, id, &wl_shell_interface);
+ } else if (strcmp(interface, "wl_shm") == 0) {
+ touch->shm = wl_display_bind(display, id, &wl_shm_interface);
+ wl_shm_add_listener(touch->shm, &shm_listenter, touch);
+ } else if (strcmp(interface, "wl_input_device") == 0) {
+ touch->input_device =
+ wl_display_bind(display, id,
+ &wl_input_device_interface);
+ wl_input_device_add_listener(touch->input_device,
+ &input_device_listener, touch);
+ }
+}
+
+static int
+event_mask_update(uint32_t mask, void *data)
+{
+ struct touch *touch = data;
+
+ touch->mask = mask;
+
+ return 0;
+}
+
+static struct touch *
+touch_create(int width, int height)
+{
+ struct touch *touch;
+
+ touch = malloc(sizeof *touch);
+ touch->display = wl_display_connect(NULL);
+ assert(touch->display);
+
+ touch->has_argb = 0;
+ wl_display_add_global_listener(touch->display, handle_global, touch);
+ wl_display_iterate(touch->display, WL_DISPLAY_READABLE);
+ wl_display_roundtrip(touch->display);
+
+ if (!touch->has_argb) {
+ fprintf(stderr, "WL_SHM_FORMAT_ARGB32 not available\n");
+ exit(1);
+ }
+
+ wl_display_get_fd(touch->display, event_mask_update, touch);
+
+ touch->width = width;
+ touch->height = height;
+ touch->surface = wl_compositor_create_surface(touch->compositor);
+ touch->shell_surface = wl_shell_get_shell_surface(touch->shell,
+ touch->surface);
+ create_shm_buffer(touch);
+
+ wl_shell_surface_set_toplevel(touch->shell_surface);
+ wl_surface_set_user_data(touch->surface, touch);
+
+ memset(touch->data, 64, width * height * 4);
+ wl_buffer_damage(touch->buffer, 0, 0, width, height);
+ wl_surface_attach(touch->surface, touch->buffer, 0, 0);
+ wl_surface_damage(touch->surface, 0, 0, width, height);
+
+ return touch;
+}
+
+int
+main(int argc, char **argv)
+{
+ struct touch *touch;
+
+ touch = touch_create(600, 500);
+
+ while (true)
+ wl_display_iterate(touch->display, touch->mask);
+
+ return 0;
+}
projects / profile / ivi / weston.git / commitdiff