diff options
Diffstat (limited to 'backend/libinput/touch.c')
| -rw-r--r-- | backend/libinput/touch.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/backend/libinput/touch.c b/backend/libinput/touch.c new file mode 100644 index 00000000..cb9b0e36 --- /dev/null +++ b/backend/libinput/touch.c @@ -0,0 +1,97 @@ +#include <assert.h> +#include <libinput.h> +#include <stdlib.h> +#include <wlr/backend/session.h> +#include <wlr/interfaces/wlr_touch.h> +#include <wlr/types/wlr_input_device.h> +#include <wlr/util/log.h> +#include "backend/libinput.h" +#include "util/signal.h" + +struct wlr_touch *create_libinput_touch( + struct libinput_device *libinput_dev) { + assert(libinput_dev); + struct wlr_touch *wlr_touch = calloc(1, sizeof(struct wlr_touch)); + if (!wlr_touch) { + wlr_log(WLR_ERROR, "Unable to allocate wlr_touch"); + return NULL; + } + wlr_touch_init(wlr_touch, NULL); + return wlr_touch; +} + +void handle_touch_down(struct libinput_event *event, + struct libinput_device *libinput_dev) { + struct wlr_input_device *wlr_dev = + get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, libinput_dev); + if (!wlr_dev) { + wlr_log(WLR_DEBUG, "Got a touch event for a device with no touch?"); + return; + } + struct libinput_event_touch *tevent = + libinput_event_get_touch_event(event); + struct wlr_event_touch_down wlr_event = { 0 }; + wlr_event.device = wlr_dev; + wlr_event.time_msec = + usec_to_msec(libinput_event_touch_get_time_usec(tevent)); + wlr_event.touch_id = libinput_event_touch_get_slot(tevent); + wlr_event.x = libinput_event_touch_get_x_transformed(tevent, 1); + wlr_event.y = libinput_event_touch_get_y_transformed(tevent, 1); + wlr_signal_emit_safe(&wlr_dev->touch->events.down, &wlr_event); +} + +void handle_touch_up(struct libinput_event *event, + struct libinput_device *libinput_dev) { + struct wlr_input_device *wlr_dev = + get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, libinput_dev); + if (!wlr_dev) { + wlr_log(WLR_DEBUG, "Got a touch event for a device with no touch?"); + return; + } + struct libinput_event_touch *tevent = + libinput_event_get_touch_event(event); + struct wlr_event_touch_up wlr_event = { 0 }; + wlr_event.device = wlr_dev; + wlr_event.time_msec = + usec_to_msec(libinput_event_touch_get_time_usec(tevent)); + wlr_event.touch_id = libinput_event_touch_get_slot(tevent); + wlr_signal_emit_safe(&wlr_dev->touch->events.up, &wlr_event); +} + +void handle_touch_motion(struct libinput_event *event, + struct libinput_device *libinput_dev) { + struct wlr_input_device *wlr_dev = + get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, libinput_dev); + if (!wlr_dev) { + wlr_log(WLR_DEBUG, "Got a touch event for a device with no touch?"); + return; + } + struct libinput_event_touch *tevent = + libinput_event_get_touch_event(event); + struct wlr_event_touch_motion wlr_event = { 0 }; + wlr_event.device = wlr_dev; + wlr_event.time_msec = + usec_to_msec(libinput_event_touch_get_time_usec(tevent)); + wlr_event.touch_id = libinput_event_touch_get_slot(tevent); + wlr_event.x = libinput_event_touch_get_x_transformed(tevent, 1); + wlr_event.y = libinput_event_touch_get_y_transformed(tevent, 1); + wlr_signal_emit_safe(&wlr_dev->touch->events.motion, &wlr_event); +} + +void handle_touch_cancel(struct libinput_event *event, + struct libinput_device *libinput_dev) { + struct wlr_input_device *wlr_dev = + get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, libinput_dev); + if (!wlr_dev) { + wlr_log(WLR_DEBUG, "Got a touch event for a device with no touch?"); + return; + } + struct libinput_event_touch *tevent = + libinput_event_get_touch_event(event); + struct wlr_event_touch_cancel wlr_event = { 0 }; + wlr_event.device = wlr_dev; + wlr_event.time_msec = + usec_to_msec(libinput_event_touch_get_time_usec(tevent)); + wlr_event.touch_id = libinput_event_touch_get_slot(tevent); + wlr_signal_emit_safe(&wlr_dev->touch->events.cancel, &wlr_event); +} |