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/*
* Copyright © 2019 Josef Gajdusek
*
* 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.
*/
#define _POSIX_C_SOURCE 200112L
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wayland-client-protocol.h>
#include "wlr-virtual-pointer-unstable-v1-client-protocol.h"
static struct wl_seat *seat = NULL;
static struct zwlr_virtual_pointer_manager_v1 *pointer_manager = NULL;
static void handle_global(void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version) {
if (strcmp(interface, wl_seat_interface.name) == 0) {
seat = wl_registry_bind(registry, name,
&wl_seat_interface, version);
} else if (strcmp(interface,
zwlr_virtual_pointer_manager_v1_interface.name) == 0) {
pointer_manager = wl_registry_bind(registry, name,
&zwlr_virtual_pointer_manager_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[]) {
if (argc < 2) {
fprintf(stderr, "Usage: ./virtual-pointer <subcommand>\n");
return EXIT_FAILURE;
}
struct wl_display * display = wl_display_connect(NULL);
if (display == NULL) {
fprintf(stderr, "failed to create display: %m\n");
return EXIT_FAILURE;
}
struct wl_registry *registry = wl_display_get_registry(display);
wl_registry_add_listener(registry, ®istry_listener, NULL);
wl_display_dispatch(display);
wl_display_roundtrip(display);
if (pointer_manager == NULL) {
fprintf(stderr, "compositor does not support wlr-virtual-pointer-unstable-v1\n");
return EXIT_FAILURE;
}
struct zwlr_virtual_pointer_v1 *pointer =
zwlr_virtual_pointer_manager_v1_create_virtual_pointer(
pointer_manager, seat);
const char *cmd = argv[1];
if (strcmp(cmd, "motion") == 0) {
if (argc < 4) {
fprintf(stderr, "Usage: ./virtual-pointer motion <dx> <dy>\n");
return EXIT_FAILURE;
}
wl_fixed_t dx = wl_fixed_from_double(atof(argv[2]));
wl_fixed_t dy = wl_fixed_from_double(atof(argv[3]));
zwlr_virtual_pointer_v1_motion(pointer, 0, dx, dy);
} else if (strcmp(cmd, "absolute") == 0) {
if (argc < 6) {
fprintf(stderr, "Usage: ./virtual-pointer absolute <x> <y> <x_extent> <y_extent>\n");
return EXIT_FAILURE;
}
uint32_t x = atoi(argv[2]);
uint32_t y = atoi(argv[3]);
uint32_t x_extent = atoi(argv[4]);
uint32_t y_extent = atoi(argv[5]);
zwlr_virtual_pointer_v1_motion_absolute(pointer, 0, x, y, x_extent, y_extent);
} else if (strcmp(cmd, "button") == 0) {
if (argc < 4) {
fprintf(stderr, "Usage: ./virtual-pointer button <button> press|release\n");
return EXIT_FAILURE;
}
uint32_t button = atoi(argv[2]);
bool press = !!strcmp(argv[3], "release");
zwlr_virtual_pointer_v1_button(pointer, 0, button, press);
} else if (strcmp(cmd, "axis") == 0) {
if (argc < 4) {
fprintf(stderr, "Usage: ./virtual-pointer axis <axis> <value>\n");
return EXIT_FAILURE;
}
uint32_t axis = atoi(argv[2]);
wl_fixed_t value = wl_fixed_from_double(atof(argv[3]));
zwlr_virtual_pointer_v1_axis(pointer, 0, axis, value);
zwlr_virtual_pointer_v1_axis_stop(pointer, 0, axis);
} else if (strcmp(cmd, "axis_discrete") == 0) {
if (argc < 5) {
fprintf(stderr, "Usage: ./virtual-pointer axis <axis> <value> <value_discrete>\n");
return EXIT_FAILURE;
}
uint32_t axis = atoi(argv[2]);
wl_fixed_t value = wl_fixed_from_double(atof(argv[3]));
uint32_t discrete = atoi(argv[4]);
zwlr_virtual_pointer_v1_axis_discrete(pointer, 0, axis, value, discrete);
zwlr_virtual_pointer_v1_axis_stop(pointer, 0, axis);
} else {
fprintf(stderr, "Invalid subcommand\n");
return EXIT_FAILURE;
}
zwlr_virtual_pointer_v1_frame(pointer);
zwlr_virtual_pointer_v1_destroy(pointer);
wl_display_dispatch(display);
return EXIT_SUCCESS;
}
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