mirror of
https://gitlab.freedesktop.org/wlroots/wlroots.git
synced 2024-11-25 08:32:30 +00:00
ee70932422
libinput guarantees that the name is non-NULL, and an empty string if unset. However wlroots uses NULL to indicate that an input device name is unset.
86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
#include <assert.h>
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#include <libinput.h>
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#include <wlr/interfaces/wlr_touch.h>
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#include "backend/libinput.h"
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const struct wlr_touch_impl libinput_touch_impl = {
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.name = "libinput-touch",
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};
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void init_device_touch(struct wlr_libinput_input_device *dev) {
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const char *name = get_libinput_device_name(dev->handle);
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struct wlr_touch *wlr_touch = &dev->touch;
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wlr_touch_init(wlr_touch, &libinput_touch_impl, name);
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wlr_touch->base.vendor = libinput_device_get_id_vendor(dev->handle);
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wlr_touch->base.product = libinput_device_get_id_product(dev->handle);
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libinput_device_get_size(dev->handle, &wlr_touch->width_mm,
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&wlr_touch->height_mm);
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}
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struct wlr_libinput_input_device *device_from_touch(
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struct wlr_touch *wlr_touch) {
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assert(wlr_touch->impl == &libinput_touch_impl);
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struct wlr_libinput_input_device *dev =
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wl_container_of(wlr_touch, dev, touch);
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return dev;
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}
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void handle_touch_down(struct libinput_event *event,
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struct wlr_touch *touch) {
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struct libinput_event_touch *tevent =
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libinput_event_get_touch_event(event);
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struct wlr_touch_down_event wlr_event = { 0 };
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wlr_event.touch = touch;
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wlr_event.time_msec =
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usec_to_msec(libinput_event_touch_get_time_usec(tevent));
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wlr_event.touch_id = libinput_event_touch_get_seat_slot(tevent);
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wlr_event.x = libinput_event_touch_get_x_transformed(tevent, 1);
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wlr_event.y = libinput_event_touch_get_y_transformed(tevent, 1);
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wl_signal_emit_mutable(&touch->events.down, &wlr_event);
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}
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void handle_touch_up(struct libinput_event *event,
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struct wlr_touch *touch) {
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struct libinput_event_touch *tevent =
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libinput_event_get_touch_event(event);
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struct wlr_touch_up_event wlr_event = {
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.touch = touch,
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.time_msec = usec_to_msec(libinput_event_touch_get_time_usec(tevent)),
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.touch_id = libinput_event_touch_get_seat_slot(tevent),
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};
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wl_signal_emit_mutable(&touch->events.up, &wlr_event);
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}
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void handle_touch_motion(struct libinput_event *event,
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struct wlr_touch *touch) {
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struct libinput_event_touch *tevent =
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libinput_event_get_touch_event(event);
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struct wlr_touch_motion_event wlr_event = {
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.touch = touch,
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.time_msec = usec_to_msec(libinput_event_touch_get_time_usec(tevent)),
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.touch_id = libinput_event_touch_get_seat_slot(tevent),
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.x = libinput_event_touch_get_x_transformed(tevent, 1),
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.y = libinput_event_touch_get_y_transformed(tevent, 1),
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};
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wl_signal_emit_mutable(&touch->events.motion, &wlr_event);
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}
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void handle_touch_cancel(struct libinput_event *event,
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struct wlr_touch *touch) {
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struct libinput_event_touch *tevent =
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libinput_event_get_touch_event(event);
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struct wlr_touch_cancel_event wlr_event = {
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.touch = touch,
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.time_msec = usec_to_msec(libinput_event_touch_get_time_usec(tevent)),
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.touch_id = libinput_event_touch_get_seat_slot(tevent),
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};
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wl_signal_emit_mutable(&touch->events.cancel, &wlr_event);
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}
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void handle_touch_frame(struct libinput_event *event,
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struct wlr_touch *touch) {
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wl_signal_emit_mutable(&touch->events.frame, NULL);
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}
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