+++ /dev/null
-/*
- * Copyright © 2008 Kristian Høgsberg
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <linux/input.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-#include <linux/input.h>
-
-#include "wayland.h"
-#include "compositor.h"
-
-struct evdev_input_device {
- struct wlsc_input_device *device;
- struct wl_event_source *source;
- int tool, new_x, new_y;
- int base_x, base_y;
- int fd;
-};
-
-static void evdev_input_device_data(int fd, uint32_t mask, void *data)
-{
- struct evdev_input_device *device = data;
- struct input_event ev[8], *e, *end;
- int len, value, dx, dy, absolute_event;
- int x, y;
-
- dx = 0;
- dy = 0;
- absolute_event = 0;
- wlsc_device_get_position(device->device, &x, &y);
-
- len = read(fd, &ev, sizeof ev);
- if (len < 0 || len % sizeof e[0] != 0) {
- /* FIXME: handle error... reopen device? */;
- return;
- }
-
- e = ev;
- end = (void *) ev + len;
- for (e = ev; e < end; e++) {
- /* Get the signed value, earlier kernels had this as unsigned */
- value = e->value;
-
- switch (e->type) {
- case EV_REL:
- switch (e->code) {
- case REL_X:
- dx += value;
- break;
-
- case REL_Y:
- dy += value;
- break;
- }
- break;
-
- case EV_ABS:
- absolute_event = 1;
- switch (e->code) {
- case ABS_X:
- if (device->new_x) {
- device->base_x = x - value;
- device->new_x = 0;
- }
- x = device->base_x + value;
- break;
- case ABS_Y:
- if (device->new_y) {
- device->base_y = y - value;
- device->new_y = 0;
- }
- y = device->base_y + value;
- break;
- }
- break;
-
- case EV_KEY:
- if (value == 2)
- break;
-
- switch (e->code) {
- case BTN_TOUCH:
- case BTN_TOOL_PEN:
- case BTN_TOOL_RUBBER:
- case BTN_TOOL_BRUSH:
- case BTN_TOOL_PENCIL:
- case BTN_TOOL_AIRBRUSH:
- case BTN_TOOL_FINGER:
- case BTN_TOOL_MOUSE:
- case BTN_TOOL_LENS:
- if (device->tool == 0 && value) {
- device->new_x = 1;
- device->new_y = 1;
- }
- device->tool = value ? e->code : 0;
- break;
-
- case BTN_LEFT:
- case BTN_RIGHT:
- case BTN_MIDDLE:
- case BTN_SIDE:
- case BTN_EXTRA:
- case BTN_FORWARD:
- case BTN_BACK:
- case BTN_TASK:
- notify_button(device->device, e->code, value);
- break;
-
- default:
- notify_key(device->device, e->code, value);
- break;
- }
- }
- }
-
- if (dx != 0 || dy != 0)
- notify_motion(device->device, x + dx, y + dy);
- if (absolute_event && device->tool)
- notify_motion(device->device, x, y);
-}
-
-struct evdev_input_device *
-evdev_input_device_create(struct wlsc_input_device *master,
- struct wl_display *display, const char *path)
-{
- struct evdev_input_device *device;
- struct wl_event_loop *loop;
-
- device = malloc(sizeof *device);
- if (device == NULL)
- return NULL;
-
- device->tool = 1;
- device->new_x = 1;
- device->new_y = 1;
- device->device = master;
-
- device->fd = open(path, O_RDONLY);
- if (device->fd < 0) {
- free(device);
- fprintf(stderr, "couldn't create pointer for %s: %m\n", path);
- return NULL;
- }
-
- loop = wl_display_get_event_loop(display);
- device->source = wl_event_loop_add_fd(loop, device->fd,
- WL_EVENT_READABLE,
- evdev_input_device_data, device);
- if (device->source == NULL) {
- close(device->fd);
- free(device);
- return NULL;
- }
-
- return device;
-}