These are used primarily by laptops to signal the state of the lid (open/closed) and tablet mode if supported, based on ACPI events.master
Ryan Walklin
6 years ago
committed by
Ryan Walklin
parent
8a56b96c55
commit
2a3c62b4d2
@ -0,0 +1,55 @@
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#include <assert.h>
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#include <libinput.h>
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#include <stdlib.h>
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#include <wlr/backend/session.h>
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#include <wlr/interfaces/wlr_switch.h>
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#include <wlr/types/wlr_input_device.h>
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#include <wlr/util/log.h>
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#include "backend/libinput.h"
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#include "util/signal.h"
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struct wlr_switch *create_libinput_switch(
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struct libinput_device *libinput_dev) {
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assert(libinput_dev);
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struct wlr_switch *wlr_switch = calloc(1, sizeof(struct wlr_switch));
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if (!wlr_switch) {
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wlr_log(WLR_ERROR, "Unable to allocate wlr_switch");
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return NULL;
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}
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wlr_switch_init(wlr_switch, NULL);
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wlr_log(WLR_DEBUG, "Created switch for device %s", libinput_device_get_name(libinput_dev));
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return wlr_switch;
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}
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void handle_switch_toggle(struct libinput_event *event,
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struct libinput_device *libinput_dev) {
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struct wlr_input_device *wlr_dev =
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get_appropriate_device(WLR_INPUT_DEVICE_SWITCH, libinput_dev);
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if (!wlr_dev) {
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wlr_log(WLR_DEBUG, "Got a switch event for a device with no switch?");
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return;
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}
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struct libinput_event_switch *sevent =
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libinput_event_get_switch_event (event);
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struct wlr_event_switch_toggle wlr_event = { 0 };
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wlr_event.device = wlr_dev;
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switch (libinput_event_switch_get_switch(sevent)) {
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case LIBINPUT_SWITCH_LID:
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wlr_event.switch_type = WLR_SWITCH_TYPE_LID;
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break;
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case LIBINPUT_SWITCH_TABLET_MODE:
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wlr_event.switch_type = WLR_SWITCH_TYPE_TABLET_MODE;
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break;
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}
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switch (libinput_event_switch_get_switch_state(sevent)) {
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case LIBINPUT_SWITCH_STATE_OFF:
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wlr_event.switch_state = WLR_SWITCH_STATE_OFF;
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break;
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case LIBINPUT_SWITCH_STATE_ON:
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wlr_event.switch_state = WLR_SWITCH_STATE_ON;
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break;
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}
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wlr_event.time_msec =
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usec_to_msec(libinput_event_switch_get_time_usec(sevent));
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wlr_signal_emit_safe(&wlr_dev->lid_switch->events.toggle, &wlr_event);
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}
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@ -0,0 +1,22 @@
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/*
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* This an unstable interface of wlroots. No guarantees are made regarding the
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* future consistency of this API.
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*/
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#ifndef WLR_USE_UNSTABLE
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#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
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#endif
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#ifndef WLR_INTERFACES_WLR_SWITCH_H
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#define WLR_INTERFACES_WLR_SWITCH_H
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#include <wlr/types/wlr_switch.h>
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struct wlr_switch_impl {
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void (*destroy)(struct wlr_switch *lid_switch);
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};
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void wlr_switch_init(struct wlr_switch *lid_switch,
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struct wlr_switch_impl *impl);
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void wlr_switch_destroy(struct wlr_switch *lid_switch);
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#endif
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@ -0,0 +1,46 @@
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/*
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* This an unstable interface of wlroots. No guarantees are made regarding the
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* future consistency of this API.
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*/
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#ifndef WLR_USE_UNSTABLE
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#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
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#endif
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#ifndef WLR_TYPES_WLR_SWITCH_H
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#define WLR_TYPES_WLR_SWITCH_H
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#include <stdint.h>
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#include <wayland-server.h>
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#include <wlr/types/wlr_input_device.h>
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#include <wlr/types/wlr_list.h>
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struct wlr_switch_impl;
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struct wlr_switch {
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struct wlr_switch_impl *impl;
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struct {
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struct wl_signal toggle;
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} events;
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void *data;
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};
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enum wlr_switch_type {
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WLR_SWITCH_TYPE_LID = 1,
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WLR_SWITCH_TYPE_TABLET_MODE,
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};
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enum wlr_switch_state {
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WLR_SWITCH_STATE_OFF = 0,
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WLR_SWITCH_STATE_ON = 1,
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};
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struct wlr_event_switch_toggle {
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struct wlr_input_device *device;
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uint32_t time_msec;
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enum wlr_switch_type switch_type;
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enum wlr_switch_state switch_state;
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};
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#endif
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@ -0,0 +1,22 @@
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#include <stdlib.h>
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#include <string.h>
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#include <wayland-server.h>
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#include <wlr/interfaces/wlr_switch.h>
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#include <wlr/types/wlr_switch.h>
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void wlr_switch_init(struct wlr_switch *lid_switch,
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struct wlr_switch_impl *impl) {
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lid_switch->impl = impl;
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wl_signal_init(&lid_switch->events.toggle);
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}
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void wlr_switch_destroy(struct wlr_switch *lid_switch) {
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if (!lid_switch) {
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return;
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}
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if (lid_switch->impl && lid_switch->impl->destroy) {
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lid_switch->impl->destroy(lid_switch);
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} else {
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free(lid_switch);
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}
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}
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