We get to move the input code out of compositor-drm.c and we'll be able to share it with the fbdev backend.dev
Kristian Høgsberg
12 years ago
parent
e809103e0f
commit
98cfea6f49
@ -0,0 +1,295 @@ |
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/*
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* Copyright © 2013 Intel Corporation |
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* |
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* Permission to use, copy, modify, distribute, and sell this software and |
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* its documentation for any purpose is hereby granted without fee, provided |
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* that the above copyright notice appear in all copies and that both that |
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* copyright notice and this permission notice appear in supporting |
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* documentation, and that the name of the copyright holders not be used in |
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* advertising or publicity pertaining to distribution of the software |
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* without specific, written prior permission. The copyright holders make |
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* no representations about the suitability of this software for any |
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* purpose. It is provided "as is" without express or implied warranty. |
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* |
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF |
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <stdlib.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include <fcntl.h> |
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#include "compositor.h" |
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#include "launcher-util.h" |
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#include "evdev.h" |
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#include "udev-seat.h" |
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static const char default_seat[] = "seat0"; |
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static int |
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device_added(struct udev_device *udev_device, struct udev_seat *master) |
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{ |
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struct weston_compositor *c; |
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struct evdev_device *device; |
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const char *devnode; |
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const char *device_seat; |
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const char *calibration_values; |
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int fd; |
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device_seat = udev_device_get_property_value(udev_device, "ID_SEAT"); |
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if (!device_seat) |
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device_seat = default_seat; |
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if (strcmp(device_seat, master->seat_id)) |
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return 0; |
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c = master->base.compositor; |
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devnode = udev_device_get_devnode(udev_device); |
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/* Use non-blocking mode so that we can loop on read on
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* evdev_device_data() until all events on the fd are |
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* read. mtdev_get() also expects this. */ |
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fd = weston_launcher_open(c, devnode, O_RDWR | O_NONBLOCK); |
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if (fd < 0) { |
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weston_log("opening input device '%s' failed.\n", devnode); |
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return -1; |
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} |
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device = evdev_device_create(&master->base, devnode, fd); |
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if (device == EVDEV_UNHANDLED_DEVICE) { |
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close(fd); |
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weston_log("not using input device '%s'.\n", devnode); |
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return 0; |
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} else if (device == NULL) { |
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close(fd); |
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weston_log("failed to create input device '%s'.\n", devnode); |
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return -1; |
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} |
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calibration_values = |
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udev_device_get_property_value(udev_device, |
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"WL_CALIBRATION"); |
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if (calibration_values && sscanf(calibration_values, |
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"%f %f %f %f %f %f", |
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&device->abs.calibration[0], |
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&device->abs.calibration[1], |
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&device->abs.calibration[2], |
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&device->abs.calibration[3], |
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&device->abs.calibration[4], |
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&device->abs.calibration[5]) == 6) { |
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device->abs.apply_calibration = 1; |
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weston_log ("Applying calibration: %f %f %f %f %f %f\n", |
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device->abs.calibration[0], |
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device->abs.calibration[1], |
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device->abs.calibration[2], |
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device->abs.calibration[3], |
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device->abs.calibration[4], |
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device->abs.calibration[5]); |
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} |
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wl_list_insert(master->devices_list.prev, &device->link); |
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return 0; |
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} |
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int |
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udev_seat_add_devices(struct udev_seat *seat, struct udev *udev) |
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{ |
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struct udev_enumerate *e; |
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struct udev_list_entry *entry; |
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struct udev_device *device; |
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const char *path, *sysname; |
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e = udev_enumerate_new(udev); |
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udev_enumerate_add_match_subsystem(e, "input"); |
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udev_enumerate_scan_devices(e); |
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udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) { |
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path = udev_list_entry_get_name(entry); |
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device = udev_device_new_from_syspath(udev, path); |
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sysname = udev_device_get_sysname(device); |
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if (strncmp("event", sysname, 5) != 0) { |
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udev_device_unref(device); |
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continue; |
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} |
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if (device_added(device, seat) < 0) { |
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udev_device_unref(device); |
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udev_enumerate_unref(e); |
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return -1; |
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} |
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udev_device_unref(device); |
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} |
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udev_enumerate_unref(e); |
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evdev_notify_keyboard_focus(&seat->base, &seat->devices_list); |
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if (wl_list_empty(&seat->devices_list)) { |
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weston_log( |
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"warning: no input devices on entering Weston. " |
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"Possible causes:\n" |
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"\t- no permissions to read /dev/input/event*\n" |
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"\t- seats misconfigured " |
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"(Weston backend option 'seat', " |
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"udev device property ID_SEAT)\n"); |
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} |
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return 0; |
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} |
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static int |
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evdev_udev_handler(int fd, uint32_t mask, void *data) |
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{ |
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struct udev_seat *seat = data; |
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struct udev_device *udev_device; |
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struct evdev_device *device, *next; |
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const char *action; |
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const char *devnode; |
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udev_device = udev_monitor_receive_device(seat->udev_monitor); |
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if (!udev_device) |
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return 1; |
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action = udev_device_get_action(udev_device); |
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if (!action) |
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goto out; |
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if (strncmp("event", udev_device_get_sysname(udev_device), 5) != 0) |
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goto out; |
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if (!strcmp(action, "add")) { |
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device_added(udev_device, seat); |
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} |
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else if (!strcmp(action, "remove")) { |
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devnode = udev_device_get_devnode(udev_device); |
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wl_list_for_each_safe(device, next, &seat->devices_list, link) |
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if (!strcmp(device->devnode, devnode)) { |
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weston_log("input device %s, %s removed\n", |
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device->devname, device->devnode); |
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evdev_device_destroy(device); |
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break; |
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} |
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} |
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out: |
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udev_device_unref(udev_device); |
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return 0; |
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} |
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int |
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udev_seat_enable_udev_monitor(struct udev_seat *seat, struct udev *udev) |
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{ |
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struct wl_event_loop *loop; |
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struct weston_compositor *c = seat->base.compositor; |
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int fd; |
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seat->udev_monitor = udev_monitor_new_from_netlink(udev, "udev"); |
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if (!seat->udev_monitor) { |
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weston_log("udev: failed to create the udev monitor\n"); |
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return 0; |
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} |
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udev_monitor_filter_add_match_subsystem_devtype(seat->udev_monitor, |
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"input", NULL); |
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if (udev_monitor_enable_receiving(seat->udev_monitor)) { |
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weston_log("udev: failed to bind the udev monitor\n"); |
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udev_monitor_unref(seat->udev_monitor); |
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return 0; |
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} |
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loop = wl_display_get_event_loop(c->wl_display); |
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fd = udev_monitor_get_fd(seat->udev_monitor); |
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seat->udev_monitor_source = |
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wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE, |
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evdev_udev_handler, seat); |
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if (!seat->udev_monitor_source) { |
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udev_monitor_unref(seat->udev_monitor); |
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return 0; |
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} |
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return 1; |
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} |
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void |
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udev_seat_disable_udev_monitor(struct udev_seat *seat) |
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{ |
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if (!seat->udev_monitor) |
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return; |
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udev_monitor_unref(seat->udev_monitor); |
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seat->udev_monitor = NULL; |
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wl_event_source_remove(seat->udev_monitor_source); |
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seat->udev_monitor_source = NULL; |
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} |
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static void |
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drm_led_update(struct weston_seat *seat_base, enum weston_led leds) |
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{ |
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struct udev_seat *seat = (struct udev_seat *) seat_base; |
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struct evdev_device *device; |
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wl_list_for_each(device, &seat->devices_list, link) |
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evdev_led_update(device, leds); |
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} |
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struct udev_seat * |
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udev_seat_create(struct weston_compositor *c, struct udev *udev, |
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const char *seat_id) |
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{ |
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struct udev_seat *seat; |
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seat = malloc(sizeof *seat); |
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if (seat == NULL) |
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return NULL; |
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memset(seat, 0, sizeof *seat); |
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weston_seat_init(&seat->base, c); |
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seat->base.led_update = drm_led_update; |
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wl_list_init(&seat->devices_list); |
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seat->seat_id = strdup(seat_id); |
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if (!udev_seat_enable_udev_monitor(seat, udev)) |
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goto err; |
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if (udev_seat_add_devices(seat, udev) < 0) |
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goto err; |
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return seat; |
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err: |
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free(seat->seat_id); |
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free(seat); |
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return NULL; |
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} |
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void |
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udev_seat_remove_devices(struct udev_seat *seat) |
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{ |
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struct evdev_device *device, *next; |
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wl_list_for_each_safe(device, next, &seat->devices_list, link) |
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evdev_device_destroy(device); |
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if (seat->base.seat.keyboard) |
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notify_keyboard_focus_out(&seat->base); |
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} |
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void |
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udev_seat_destroy(struct udev_seat *seat) |
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{ |
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udev_seat_remove_devices(seat); |
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udev_seat_disable_udev_monitor(seat); |
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weston_seat_release(&seat->base); |
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free(seat->seat_id); |
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free(seat); |
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} |
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@ -0,0 +1,47 @@ |
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/*
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* Copyright © 2013 Intel Corporation |
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* |
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* Permission to use, copy, modify, distribute, and sell this software and |
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* its documentation for any purpose is hereby granted without fee, provided |
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* that the above copyright notice appear in all copies and that both that |
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* copyright notice and this permission notice appear in supporting |
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* documentation, and that the name of the copyright holders not be used in |
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* advertising or publicity pertaining to distribution of the software |
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* without specific, written prior permission. The copyright holders make |
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* no representations about the suitability of this software for any |
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* purpose. It is provided "as is" without express or implied warranty. |
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* |
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF |
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#ifndef _UDEV_SEAT_H_ |
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#define _UDEV_SEAT_H_ |
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#include <libudev.h> |
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#include "compositor.h" |
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struct udev_seat { |
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struct weston_seat base; |
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struct wl_list devices_list; |
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struct udev_monitor *udev_monitor; |
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struct wl_event_source *udev_monitor_source; |
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char *seat_id; |
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}; |
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int udev_seat_add_devices(struct udev_seat *seat, struct udev *udev); |
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int udev_seat_enable_udev_monitor(struct udev_seat *seat, struct udev *udev); |
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void udev_seat_disable_udev_monitor(struct udev_seat *seat); |
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struct udev_seat *udev_seat_create(struct weston_compositor *c, |
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struct udev *udev, |
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const char *seat_id); |
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void udev_seat_remove_devices(struct udev_seat *seat); |
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void udev_seat_destroy(struct udev_seat *seat); |
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#endif |
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