mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-02 03:45:58 +01:00
16e5e9541b
This requires functions without a prototype definition to be static. This allows to detect dead code, export less symbols and put shared functions in headers.
312 lines
9.7 KiB
C
312 lines
9.7 KiB
C
#define _POSIX_C_SOURCE 200809L
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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 <wayland-util.h>
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#include <wlr/backend/session.h>
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#include <wlr/interfaces/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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static struct wlr_libinput_input_device *get_libinput_device_from_device(
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struct wlr_input_device *wlr_dev) {
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assert(wlr_input_device_is_libinput(wlr_dev));
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return (struct wlr_libinput_input_device *)wlr_dev;
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}
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struct wlr_input_device *get_appropriate_device(
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enum wlr_input_device_type desired_type,
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struct libinput_device *libinput_dev) {
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struct wl_list *wlr_devices = libinput_device_get_user_data(libinput_dev);
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if (!wlr_devices) {
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return NULL;
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}
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struct wlr_input_device *dev;
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wl_list_for_each(dev, wlr_devices, link) {
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if (dev->type == desired_type) {
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return dev;
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}
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}
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return NULL;
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}
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static void input_device_destroy(struct wlr_input_device *wlr_dev) {
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struct wlr_libinput_input_device *dev =
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get_libinput_device_from_device(wlr_dev);
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libinput_device_unref(dev->handle);
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wl_list_remove(&dev->wlr_input_device.link);
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free(dev);
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}
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static const struct wlr_input_device_impl input_device_impl = {
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.destroy = input_device_destroy,
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};
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static struct wlr_input_device *allocate_device(
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struct wlr_libinput_backend *backend,
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struct libinput_device *libinput_dev, struct wl_list *wlr_devices,
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enum wlr_input_device_type type) {
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int vendor = libinput_device_get_id_vendor(libinput_dev);
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int product = libinput_device_get_id_product(libinput_dev);
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const char *name = libinput_device_get_name(libinput_dev);
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struct wlr_libinput_input_device *dev =
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calloc(1, sizeof(struct wlr_libinput_input_device));
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if (dev == NULL) {
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return NULL;
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}
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struct wlr_input_device *wlr_dev = &dev->wlr_input_device;
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libinput_device_get_size(libinput_dev,
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&wlr_dev->width_mm, &wlr_dev->height_mm);
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const char *output_name = libinput_device_get_output_name(libinput_dev);
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if (output_name != NULL) {
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wlr_dev->output_name = strdup(output_name);
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}
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wl_list_insert(wlr_devices, &wlr_dev->link);
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dev->handle = libinput_dev;
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libinput_device_ref(libinput_dev);
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wlr_input_device_init(wlr_dev, type, &input_device_impl,
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name, vendor, product);
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return wlr_dev;
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}
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bool wlr_input_device_is_libinput(struct wlr_input_device *wlr_dev) {
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return wlr_dev->impl == &input_device_impl;
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}
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static void handle_device_added(struct wlr_libinput_backend *backend,
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struct libinput_device *libinput_dev) {
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/*
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* Note: the wlr API exposes only devices with a single capability, because
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* that meshes better with how Wayland does things and is a bit simpler.
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* However, libinput devices often have multiple capabilities - in such
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* cases we have to create several devices.
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*/
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int vendor = libinput_device_get_id_vendor(libinput_dev);
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int product = libinput_device_get_id_product(libinput_dev);
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const char *name = libinput_device_get_name(libinput_dev);
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struct wl_list *wlr_devices = calloc(1, sizeof(struct wl_list));
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if (!wlr_devices) {
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wlr_log(WLR_ERROR, "Allocation failed");
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return;
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}
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wl_list_init(wlr_devices);
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wlr_log(WLR_DEBUG, "Added %s [%d:%d]", name, vendor, product);
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if (libinput_device_has_capability(
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libinput_dev, LIBINPUT_DEVICE_CAP_KEYBOARD)) {
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struct wlr_input_device *wlr_dev = allocate_device(backend,
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libinput_dev, wlr_devices, WLR_INPUT_DEVICE_KEYBOARD);
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if (!wlr_dev) {
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goto fail;
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}
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wlr_dev->keyboard = create_libinput_keyboard(libinput_dev);
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if (!wlr_dev->keyboard) {
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free(wlr_dev);
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goto fail;
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}
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wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev);
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}
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if (libinput_device_has_capability(
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libinput_dev, LIBINPUT_DEVICE_CAP_POINTER)) {
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struct wlr_input_device *wlr_dev = allocate_device(backend,
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libinput_dev, wlr_devices, WLR_INPUT_DEVICE_POINTER);
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if (!wlr_dev) {
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goto fail;
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}
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wlr_dev->pointer = create_libinput_pointer(libinput_dev);
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if (!wlr_dev->pointer) {
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free(wlr_dev);
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goto fail;
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}
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wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev);
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}
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if (libinput_device_has_capability(
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libinput_dev, LIBINPUT_DEVICE_CAP_TOUCH)) {
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struct wlr_input_device *wlr_dev = allocate_device(backend,
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libinput_dev, wlr_devices, WLR_INPUT_DEVICE_TOUCH);
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if (!wlr_dev) {
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goto fail;
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}
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wlr_dev->touch = create_libinput_touch(libinput_dev);
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if (!wlr_dev->touch) {
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free(wlr_dev);
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goto fail;
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}
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wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev);
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}
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if (libinput_device_has_capability(libinput_dev,
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LIBINPUT_DEVICE_CAP_TABLET_TOOL)) {
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struct wlr_input_device *wlr_dev = allocate_device(backend,
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libinput_dev, wlr_devices, WLR_INPUT_DEVICE_TABLET_TOOL);
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if (!wlr_dev) {
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goto fail;
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}
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wlr_dev->tablet = create_libinput_tablet(libinput_dev);
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if (!wlr_dev->tablet) {
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free(wlr_dev);
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goto fail;
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}
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wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev);
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}
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if (libinput_device_has_capability(
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libinput_dev, LIBINPUT_DEVICE_CAP_TABLET_PAD)) {
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struct wlr_input_device *wlr_dev = allocate_device(backend,
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libinput_dev, wlr_devices, WLR_INPUT_DEVICE_TABLET_PAD);
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if (!wlr_dev) {
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goto fail;
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}
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wlr_dev->tablet_pad = create_libinput_tablet_pad(libinput_dev);
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if (!wlr_dev->tablet_pad) {
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free(wlr_dev);
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goto fail;
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}
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wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev);
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}
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if (libinput_device_has_capability(
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libinput_dev, LIBINPUT_DEVICE_CAP_GESTURE)) {
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// TODO
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}
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if (libinput_device_has_capability(
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libinput_dev, LIBINPUT_DEVICE_CAP_SWITCH)) {
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struct wlr_input_device *wlr_dev = allocate_device(backend,
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libinput_dev, wlr_devices, WLR_INPUT_DEVICE_SWITCH);
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if (!wlr_dev) {
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goto fail;
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}
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wlr_dev->switch_device = create_libinput_switch(libinput_dev);
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if (!wlr_dev->switch_device) {
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free(wlr_dev);
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goto fail;
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}
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wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev);
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}
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if (!wl_list_empty(wlr_devices)) {
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libinput_device_set_user_data(libinput_dev, wlr_devices);
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wlr_list_push(&backend->wlr_device_lists, wlr_devices);
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} else {
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free(wlr_devices);
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}
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return;
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fail:
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wlr_log(WLR_ERROR, "Could not allocate new device");
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struct wlr_input_device *dev, *tmp_dev;
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wl_list_for_each_safe(dev, tmp_dev, wlr_devices, link) {
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free(dev);
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}
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free(wlr_devices);
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}
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static void handle_device_removed(struct wlr_libinput_backend *backend,
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struct libinput_device *libinput_dev) {
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struct wl_list *wlr_devices = libinput_device_get_user_data(libinput_dev);
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int vendor = libinput_device_get_id_vendor(libinput_dev);
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int product = libinput_device_get_id_product(libinput_dev);
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const char *name = libinput_device_get_name(libinput_dev);
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wlr_log(WLR_DEBUG, "Removing %s [%d:%d]", name, vendor, product);
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if (!wlr_devices) {
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return;
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}
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struct wlr_input_device *dev, *tmp_dev;
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wl_list_for_each_safe(dev, tmp_dev, wlr_devices, link) {
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wlr_input_device_destroy(dev);
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}
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for (size_t i = 0; i < backend->wlr_device_lists.length; i++) {
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if (backend->wlr_device_lists.items[i] == wlr_devices) {
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wlr_list_del(&backend->wlr_device_lists, i);
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break;
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}
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}
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free(wlr_devices);
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}
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void handle_libinput_event(struct wlr_libinput_backend *backend,
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struct libinput_event *event) {
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struct libinput_device *libinput_dev = libinput_event_get_device(event);
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enum libinput_event_type event_type = libinput_event_get_type(event);
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switch (event_type) {
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case LIBINPUT_EVENT_DEVICE_ADDED:
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handle_device_added(backend, libinput_dev);
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break;
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case LIBINPUT_EVENT_DEVICE_REMOVED:
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handle_device_removed(backend, libinput_dev);
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break;
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case LIBINPUT_EVENT_KEYBOARD_KEY:
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handle_keyboard_key(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_POINTER_MOTION:
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handle_pointer_motion(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE:
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handle_pointer_motion_abs(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_POINTER_BUTTON:
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handle_pointer_button(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_POINTER_AXIS:
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handle_pointer_axis(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TOUCH_DOWN:
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handle_touch_down(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TOUCH_UP:
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handle_touch_up(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TOUCH_MOTION:
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handle_touch_motion(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TOUCH_CANCEL:
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handle_touch_cancel(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TOUCH_FRAME:
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// no-op (at least for now)
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break;
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case LIBINPUT_EVENT_TABLET_TOOL_AXIS:
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handle_tablet_tool_axis(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TABLET_TOOL_PROXIMITY:
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handle_tablet_tool_proximity(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TABLET_TOOL_TIP:
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handle_tablet_tool_tip(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TABLET_TOOL_BUTTON:
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handle_tablet_tool_button(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TABLET_PAD_BUTTON:
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handle_tablet_pad_button(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TABLET_PAD_RING:
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handle_tablet_pad_ring(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TABLET_PAD_STRIP:
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handle_tablet_pad_strip(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_SWITCH_TOGGLE:
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handle_switch_toggle(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_GESTURE_SWIPE_BEGIN:
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handle_pointer_swipe_begin(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_GESTURE_SWIPE_UPDATE:
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handle_pointer_swipe_update(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_GESTURE_SWIPE_END:
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handle_pointer_swipe_end(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_GESTURE_PINCH_BEGIN:
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handle_pointer_pinch_begin(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_GESTURE_PINCH_UPDATE:
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handle_pointer_pinch_update(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_GESTURE_PINCH_END:
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handle_pointer_pinch_end(event, libinput_dev);
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break;
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default:
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wlr_log(WLR_DEBUG, "Unknown libinput event %d", event_type);
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break;
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}
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}
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