compositor-drm: Move udev_seat to its own file
We get to move the input code out of compositor-drm.c and we'll be able to share it with the fbdev backend.
This commit is contained in:
Kristian Høgsberg
parent
e809103e0f
commit
98cfea6f49
@ -133,6 +133,8 @@ drm_backend_la_CFLAGS = \
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drm_backend_la_SOURCES = \
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compositor-drm.c \
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tty.c \
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udev-seat.c \
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udev-seat.h \
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evdev.c \
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evdev.h \
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evdev-touchpad.c \
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@ -43,7 +43,7 @@
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#include "compositor.h"
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#include "gl-renderer.h"
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#include "pixman-renderer.h"
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#include "evdev.h"
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#include "udev-seat.h"
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#include "launcher-util.h"
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static int option_current_mode = 0;
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@ -183,13 +183,7 @@ struct drm_sprite {
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uint32_t formats[];
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};
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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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static const char default_seat[] = "seat0";
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static void
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drm_output_set_cursor(struct drm_output *output);
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@ -1932,270 +1926,6 @@ drm_restore(struct weston_compositor *ec)
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tty_reset(d->tty);
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}
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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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static 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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static 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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static 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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static struct udev_seat *
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evdev_input_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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static 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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static 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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static void
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drm_free_configured_output(struct drm_configured_output *output)
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{
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295
src/udev-seat.c
Normal file
295
src/udev-seat.c
Normal file
@ -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);
|
||||
wl_list_for_each_safe(device, next, &seat->devices_list, link)
|
||||
if (!strcmp(device->devnode, devnode)) {
|
||||
weston_log("input device %s, %s removed\n",
|
||||
device->devname, device->devnode);
|
||||
evdev_device_destroy(device);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
out:
|
||||
udev_device_unref(udev_device);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
udev_seat_enable_udev_monitor(struct udev_seat *seat, struct udev *udev)
|
||||
{
|
||||
struct wl_event_loop *loop;
|
||||
struct weston_compositor *c = seat->base.compositor;
|
||||
int fd;
|
||||
|
||||
seat->udev_monitor = udev_monitor_new_from_netlink(udev, "udev");
|
||||
if (!seat->udev_monitor) {
|
||||
weston_log("udev: failed to create the udev monitor\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
udev_monitor_filter_add_match_subsystem_devtype(seat->udev_monitor,
|
||||
"input", NULL);
|
||||
|
||||
if (udev_monitor_enable_receiving(seat->udev_monitor)) {
|
||||
weston_log("udev: failed to bind the udev monitor\n");
|
||||
udev_monitor_unref(seat->udev_monitor);
|
||||
return 0;
|
||||
}
|
||||
|
||||
loop = wl_display_get_event_loop(c->wl_display);
|
||||
fd = udev_monitor_get_fd(seat->udev_monitor);
|
||||
seat->udev_monitor_source =
|
||||
wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE,
|
||||
evdev_udev_handler, seat);
|
||||
if (!seat->udev_monitor_source) {
|
||||
udev_monitor_unref(seat->udev_monitor);
|
||||
return 0;
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
void
|
||||
udev_seat_disable_udev_monitor(struct udev_seat *seat)
|
||||
{
|
||||
if (!seat->udev_monitor)
|
||||
return;
|
||||
|
||||
udev_monitor_unref(seat->udev_monitor);
|
||||
seat->udev_monitor = NULL;
|
||||
wl_event_source_remove(seat->udev_monitor_source);
|
||||
seat->udev_monitor_source = NULL;
|
||||
}
|
||||
|
||||
static void
|
||||
drm_led_update(struct weston_seat *seat_base, enum weston_led leds)
|
||||
{
|
||||
struct udev_seat *seat = (struct udev_seat *) seat_base;
|
||||
struct evdev_device *device;
|
||||
|
||||
wl_list_for_each(device, &seat->devices_list, link)
|
||||
evdev_led_update(device, leds);
|
||||
}
|
||||
|
||||
struct udev_seat *
|
||||
udev_seat_create(struct weston_compositor *c, struct udev *udev,
|
||||
const char *seat_id)
|
||||
{
|
||||
struct udev_seat *seat;
|
||||
|
||||
seat = malloc(sizeof *seat);
|
||||
if (seat == NULL)
|
||||
return NULL;
|
||||
|
||||
memset(seat, 0, sizeof *seat);
|
||||
weston_seat_init(&seat->base, c);
|
||||
seat->base.led_update = drm_led_update;
|
||||
|
||||
wl_list_init(&seat->devices_list);
|
||||
seat->seat_id = strdup(seat_id);
|
||||
if (!udev_seat_enable_udev_monitor(seat, udev))
|
||||
goto err;
|
||||
if (udev_seat_add_devices(seat, udev) < 0)
|
||||
goto err;
|
||||
|
||||
return seat;
|
||||
|
||||
err:
|
||||
free(seat->seat_id);
|
||||
free(seat);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void
|
||||
udev_seat_remove_devices(struct udev_seat *seat)
|
||||
{
|
||||
struct evdev_device *device, *next;
|
||||
|
||||
wl_list_for_each_safe(device, next, &seat->devices_list, link)
|
||||
evdev_device_destroy(device);
|
||||
|
||||
if (seat->base.seat.keyboard)
|
||||
notify_keyboard_focus_out(&seat->base);
|
||||
}
|
||||
|
||||
void
|
||||
udev_seat_destroy(struct udev_seat *seat)
|
||||
{
|
||||
udev_seat_remove_devices(seat);
|
||||
udev_seat_disable_udev_monitor(seat);
|
||||
|
||||
weston_seat_release(&seat->base);
|
||||
free(seat->seat_id);
|
||||
free(seat);
|
||||
}
|
||||
47
src/udev-seat.h
Normal file
47
src/udev-seat.h
Normal file
@ -0,0 +1,47 @@
|
||||
/*
|
||||
* Copyright © 2013 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.
|
||||
*/
|
||||
|
||||
#ifndef _UDEV_SEAT_H_
|
||||
#define _UDEV_SEAT_H_
|
||||
|
||||
#include <libudev.h>
|
||||
|
||||
#include "compositor.h"
|
||||
|
||||
struct udev_seat {
|
||||
struct weston_seat base;
|
||||
struct wl_list devices_list;
|
||||
struct udev_monitor *udev_monitor;
|
||||
struct wl_event_source *udev_monitor_source;
|
||||
char *seat_id;
|
||||
};
|
||||
|
||||
int udev_seat_add_devices(struct udev_seat *seat, struct udev *udev);
|
||||
int udev_seat_enable_udev_monitor(struct udev_seat *seat, struct udev *udev);
|
||||
void udev_seat_disable_udev_monitor(struct udev_seat *seat);
|
||||
struct udev_seat *udev_seat_create(struct weston_compositor *c,
|
||||
struct udev *udev,
|
||||
const char *seat_id);
|
||||
void udev_seat_remove_devices(struct udev_seat *seat);
|
||||
void udev_seat_destroy(struct udev_seat *seat);
|
||||
|
||||
#endif
|
||||
Loading…
x
Reference in New Issue
Block a user