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-rw-r--r--clients/simple-touch.c360
1 files changed, 0 insertions, 360 deletions
diff --git a/clients/simple-touch.c b/clients/simple-touch.c
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--- a/clients/simple-touch.c
+++ /dev/null
@@ -1,360 +0,0 @@
-/*
- * Copyright © 2011 Benjamin Franzke
- * Copyright © 2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-#include "config.h"
-
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdbool.h>
-#include <assert.h>
-#include <unistd.h>
-#include <errno.h>
-#include <sys/mman.h>
-
-#include <wayland-client.h>
-#include "shared/helpers.h"
-#include "shared/os-compatibility.h"
-
-struct seat {
- struct touch *touch;
- struct wl_seat *seat;
- struct wl_touch *wl_touch;
-};
-
-struct touch {
- struct wl_display *display;
- struct wl_registry *registry;
- struct wl_compositor *compositor;
- struct wl_shell *shell;
- struct wl_shm *shm;
- struct wl_pointer *pointer;
- struct wl_keyboard *keyboard;
- struct wl_surface *surface;
- struct wl_shell_surface *shell_surface;
- struct wl_buffer *buffer;
- int has_argb;
- int width, height;
- void *data;
-};
-
-static void
-create_shm_buffer(struct touch *touch)
-{
- struct wl_shm_pool *pool;
- int fd, size, stride;
-
- stride = touch->width * 4;
- size = stride * touch->height;
-
- fd = os_create_anonymous_file(size);
- if (fd < 0) {
- fprintf(stderr, "creating a buffer file for %d B failed: %s\n",
- size, strerror(errno));
- exit(1);
- }
-
- touch->data =
- mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
- if (touch->data == MAP_FAILED) {
- fprintf(stderr, "mmap failed: %s\n", strerror(errno));
- close(fd);
- exit(1);
- }
-
- pool = wl_shm_create_pool(touch->shm, fd, size);
- touch->buffer =
- wl_shm_pool_create_buffer(pool, 0,
- touch->width, touch->height, stride,
- WL_SHM_FORMAT_ARGB8888);
- wl_shm_pool_destroy(pool);
-
- 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_ARGB8888)
- touch->has_argb = 1;
-}
-
-struct wl_shm_listener shm_listener = {
- shm_format
-};
-
-
-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,
- 0xff00ff00,
- 0xff00ffff,
- };
-
- if (id < (int32_t) ARRAY_LENGTH(colors))
- c = colors[id];
- else
- c = 0xffffffff;
-
- if (x < 2 || x >= touch->width - 2 ||
- y < 2 || y >= touch->height - 2)
- return;
-
- p = (uint32_t *) touch->data + (x - 2) + (y - 2) * touch->width;
- p[2] = c;
- p += touch->width;
- p[1] = c;
- p[2] = c;
- p[3] = c;
- p += touch->width;
- p[0] = c;
- p[1] = c;
- p[2] = c;
- p[3] = c;
- p[4] = c;
- p += touch->width;
- p[1] = c;
- p[2] = c;
- p[3] = c;
- p += touch->width;
- p[2] = c;
-
- wl_surface_attach(touch->surface, touch->buffer, 0, 0);
- wl_surface_damage(touch->surface, x - 2, y - 2, 5, 5);
- /* todo: We could queue up more damage before committing, if there
- * are more input events to handle.
- */
- wl_surface_commit(touch->surface);
-}
-
-static void
-touch_handle_down(void *data, struct wl_touch *wl_touch,
- uint32_t serial, uint32_t time, struct wl_surface *surface,
- int32_t id, wl_fixed_t x_w, wl_fixed_t y_w)
-{
- struct touch *touch = data;
- float x = wl_fixed_to_double(x_w);
- float y = wl_fixed_to_double(y_w);
-
- touch_paint(touch, x, y, id);
-}
-
-static void
-touch_handle_up(void *data, struct wl_touch *wl_touch,
- uint32_t serial, uint32_t time, int32_t id)
-{
-}
-
-static void
-touch_handle_motion(void *data, struct wl_touch *wl_touch,
- uint32_t time, int32_t id, wl_fixed_t x_w, wl_fixed_t y_w)
-{
- struct touch *touch = data;
- float x = wl_fixed_to_double(x_w);
- float y = wl_fixed_to_double(y_w);
-
- touch_paint(touch, x, y, id);
-}
-
-static void
-touch_handle_frame(void *data, struct wl_touch *wl_touch)
-{
-}
-
-static void
-touch_handle_cancel(void *data, struct wl_touch *wl_touch)
-{
-}
-
-static const struct wl_touch_listener touch_listener = {
- touch_handle_down,
- touch_handle_up,
- touch_handle_motion,
- touch_handle_frame,
- touch_handle_cancel,
-};
-
-static void
-seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
- enum wl_seat_capability caps)
-{
- struct seat *seat = data;
- struct touch *touch = seat->touch;
-
- if ((caps & WL_SEAT_CAPABILITY_TOUCH) && !seat->wl_touch) {
- seat->wl_touch = wl_seat_get_touch(wl_seat);
- wl_touch_set_user_data(seat->wl_touch, touch);
- wl_touch_add_listener(seat->wl_touch, &touch_listener, touch);
- } else if (!(caps & WL_SEAT_CAPABILITY_TOUCH) && seat->wl_touch) {
- wl_touch_destroy(seat->wl_touch);
- seat->wl_touch = NULL;
- }
-}
-
-static const struct wl_seat_listener seat_listener = {
- seat_handle_capabilities,
-};
-
-static void
-add_seat(struct touch *touch, uint32_t name, uint32_t version)
-{
- struct seat *seat;
-
- seat = malloc(sizeof *seat);
- assert(seat);
-
- seat->touch = touch;
- seat->wl_touch = NULL;
- seat->seat = wl_registry_bind(touch->registry, name,
- &wl_seat_interface, 1);
- wl_seat_add_listener(seat->seat, &seat_listener, seat);
-}
-
-static void
-handle_ping(void *data, struct wl_shell_surface *shell_surface,
- uint32_t serial)
-{
- wl_shell_surface_pong(shell_surface, serial);
-}
-
-static void
-handle_configure(void *data, struct wl_shell_surface *shell_surface,
- uint32_t edges, int32_t width, int32_t height)
-{
-}
-
-static void
-handle_popup_done(void *data, struct wl_shell_surface *shell_surface)
-{
-}
-
-static const struct wl_shell_surface_listener shell_surface_listener = {
- handle_ping,
- handle_configure,
- handle_popup_done
-};
-
-static void
-handle_global(void *data, struct wl_registry *registry,
- uint32_t name, const char *interface, uint32_t version)
-{
- struct touch *touch = data;
-
- if (strcmp(interface, "wl_compositor") == 0) {
- touch->compositor =
- wl_registry_bind(registry, name,
- &wl_compositor_interface, 1);
- } else if (strcmp(interface, "wl_shell") == 0) {
- touch->shell =
- wl_registry_bind(registry, name,
- &wl_shell_interface, 1);
- } else if (strcmp(interface, "wl_shm") == 0) {
- touch->shm = wl_registry_bind(registry, name,
- &wl_shm_interface, 1);
- wl_shm_add_listener(touch->shm, &shm_listener, touch);
- } else if (strcmp(interface, "wl_seat") == 0) {
- add_seat(touch, name, version);
- }
-}
-
-static void
-handle_global_remove(void *data, struct wl_registry *registry, uint32_t name)
-{
-}
-
-static const struct wl_registry_listener registry_listener = {
- handle_global,
- handle_global_remove
-};
-
-static struct touch *
-touch_create(int width, int height)
-{
- struct touch *touch;
-
- touch = malloc(sizeof *touch);
- if (touch == NULL) {
- fprintf(stderr, "out of memory\n");
- exit(1);
- }
- touch->display = wl_display_connect(NULL);
- assert(touch->display);
-
- touch->has_argb = 0;
- touch->registry = wl_display_get_registry(touch->display);
- wl_registry_add_listener(touch->registry, &registry_listener, touch);
- wl_display_dispatch(touch->display);
- wl_display_roundtrip(touch->display);
-
- if (!touch->has_argb) {
- fprintf(stderr, "WL_SHM_FORMAT_ARGB32 not available\n");
- exit(1);
- }
-
- 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);
-
- if (touch->shell_surface) {
- wl_shell_surface_add_listener(touch->shell_surface,
- &shell_surface_listener, touch);
- wl_shell_surface_set_toplevel(touch->shell_surface);
- }
-
- wl_surface_set_user_data(touch->surface, touch);
- wl_shell_surface_set_title(touch->shell_surface, "simple-touch");
-
- memset(touch->data, 64, width * height * 4);
- wl_surface_attach(touch->surface, touch->buffer, 0, 0);
- wl_surface_damage(touch->surface, 0, 0, width, height);
- wl_surface_commit(touch->surface);
-
- return touch;
-}
-
-int
-main(int argc, char **argv)
-{
- struct touch *touch;
- int ret = 0;
-
- touch = touch_create(600, 500);
-
- while (ret != -1)
- ret = wl_display_dispatch(touch->display);
-
- return 0;
-}
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