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546 lines
16 KiB
546 lines
16 KiB
#define _POSIX_C_SOURCE 200809L
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#include <assert.h>
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#include <stdlib.h>
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#include <wayland-client.h>
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#include <wlr/interfaces/wlr_pointer.h>
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#include <wlr/util/log.h>
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#include "backend/wayland.h"
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#include "pointer-gestures-unstable-v1-client-protocol.h"
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#include "relative-pointer-unstable-v1-client-protocol.h"
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static struct wlr_wl_pointer *output_get_pointer(struct wlr_wl_output *output,
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const struct wl_pointer *wl_pointer) {
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struct wlr_wl_seat *seat;
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wl_list_for_each(seat, &output->backend->seats, link) {
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if (seat->wl_pointer != wl_pointer) {
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continue;
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}
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struct wlr_wl_pointer *pointer;
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wl_list_for_each(pointer, &seat->pointers, link) {
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if (pointer->output == output) {
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return pointer;
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}
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}
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}
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return NULL;
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}
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static void pointer_handle_enter(void *data, struct wl_pointer *wl_pointer,
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uint32_t serial, struct wl_surface *surface, wl_fixed_t sx,
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wl_fixed_t sy) {
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struct wlr_wl_seat *seat = data;
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if (surface == NULL) {
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return;
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}
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struct wlr_wl_output *output = get_wl_output_from_surface(seat->backend, surface);
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if (output == NULL) {
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return;
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}
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struct wlr_wl_pointer *pointer = output_get_pointer(output, wl_pointer);
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seat->active_pointer = pointer;
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// Manage cursor icon/rendering on output
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struct wlr_wl_pointer *current = output->cursor.pointer;
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if (current && current != pointer) {
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wlr_log(WLR_INFO, "Ignoring seat '%s' pointer in favor of seat '%s'",
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seat->name, current->seat->name);
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return;
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}
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output->enter_serial = serial;
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output->cursor.pointer = pointer;
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update_wl_output_cursor(output);
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}
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static void pointer_handle_leave(void *data, struct wl_pointer *wl_pointer,
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uint32_t serial, struct wl_surface *surface) {
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struct wlr_wl_seat *seat = data;
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if (surface == NULL) {
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return;
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}
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struct wlr_wl_output *output = get_wl_output_from_surface(seat->backend, surface);
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if (output == NULL) {
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return;
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}
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if (seat->active_pointer != NULL &&
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seat->active_pointer->output == output) {
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seat->active_pointer = NULL;
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}
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if (output->cursor.pointer == seat->active_pointer) {
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output->enter_serial = 0;
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output->cursor.pointer = NULL;
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}
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}
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static void pointer_handle_motion(void *data, struct wl_pointer *wl_pointer,
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uint32_t time, wl_fixed_t sx, wl_fixed_t sy) {
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struct wlr_wl_seat *seat = data;
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struct wlr_wl_pointer *pointer = seat->active_pointer;
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if (pointer == NULL) {
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return;
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}
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struct wlr_output *wlr_output = &pointer->output->wlr_output;
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struct wlr_pointer_motion_absolute_event event = {
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.pointer = &pointer->wlr_pointer,
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.time_msec = time,
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.x = wl_fixed_to_double(sx) / wlr_output->width,
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.y = wl_fixed_to_double(sy) / wlr_output->height,
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};
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wl_signal_emit_mutable(&pointer->wlr_pointer.events.motion_absolute, &event);
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}
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static void pointer_handle_button(void *data, struct wl_pointer *wl_pointer,
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uint32_t serial, uint32_t time, uint32_t button, uint32_t state) {
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struct wlr_wl_seat *seat = data;
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struct wlr_wl_pointer *pointer = seat->active_pointer;
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if (pointer == NULL) {
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return;
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}
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struct wlr_pointer_button_event event = {
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.pointer = &pointer->wlr_pointer,
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.button = button,
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.state = state,
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.time_msec = time,
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};
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wl_signal_emit_mutable(&pointer->wlr_pointer.events.button, &event);
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}
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static void pointer_handle_axis(void *data, struct wl_pointer *wl_pointer,
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uint32_t time, uint32_t axis, wl_fixed_t value) {
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struct wlr_wl_seat *seat = data;
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struct wlr_wl_pointer *pointer = seat->active_pointer;
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if (pointer == NULL) {
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return;
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}
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struct wlr_pointer_axis_event event = {
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.pointer = &pointer->wlr_pointer,
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.delta = wl_fixed_to_double(value),
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.delta_discrete = pointer->axis_discrete,
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.orientation = axis,
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.time_msec = time,
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.source = pointer->axis_source,
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};
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wl_signal_emit_mutable(&pointer->wlr_pointer.events.axis, &event);
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pointer->axis_discrete = 0;
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}
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static void pointer_handle_frame(void *data, struct wl_pointer *wl_pointer) {
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struct wlr_wl_seat *seat = data;
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struct wlr_wl_pointer *pointer = seat->active_pointer;
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if (pointer == NULL) {
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return;
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}
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wl_signal_emit_mutable(&pointer->wlr_pointer.events.frame,
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&pointer->wlr_pointer);
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}
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static void pointer_handle_axis_source(void *data,
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struct wl_pointer *wl_pointer, uint32_t axis_source) {
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struct wlr_wl_seat *seat = data;
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struct wlr_wl_pointer *pointer = seat->active_pointer;
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if (pointer == NULL) {
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return;
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}
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pointer->axis_source = axis_source;
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}
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static void pointer_handle_axis_stop(void *data, struct wl_pointer *wl_pointer,
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uint32_t time, uint32_t axis) {
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struct wlr_wl_seat *seat = data;
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struct wlr_wl_pointer *pointer = seat->active_pointer;
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if (pointer == NULL) {
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return;
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}
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struct wlr_pointer_axis_event event = {
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.pointer = &pointer->wlr_pointer,
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.delta = 0,
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.delta_discrete = 0,
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.orientation = axis,
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.time_msec = time,
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.source = pointer->axis_source,
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};
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wl_signal_emit_mutable(&pointer->wlr_pointer.events.axis, &event);
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}
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static void pointer_handle_axis_discrete(void *data,
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struct wl_pointer *wl_pointer, uint32_t axis, int32_t discrete) {
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struct wlr_wl_seat *seat = data;
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struct wlr_wl_pointer *pointer = seat->active_pointer;
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if (pointer == NULL) {
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return;
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}
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pointer->axis_discrete = discrete * WLR_POINTER_AXIS_DISCRETE_STEP;
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}
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static void pointer_handle_axis_value120(void *data,
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struct wl_pointer *wl_pointer, uint32_t axis, int32_t value120) {
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struct wlr_wl_seat *seat = data;
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struct wlr_wl_pointer *pointer = seat->active_pointer;
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if (pointer == NULL) {
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return;
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}
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pointer->axis_discrete = value120;
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}
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static const struct wl_pointer_listener pointer_listener = {
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.enter = pointer_handle_enter,
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.leave = pointer_handle_leave,
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.motion = pointer_handle_motion,
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.button = pointer_handle_button,
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.axis = pointer_handle_axis,
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.frame = pointer_handle_frame,
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.axis_source = pointer_handle_axis_source,
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.axis_stop = pointer_handle_axis_stop,
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.axis_discrete = pointer_handle_axis_discrete,
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.axis_value120 = pointer_handle_axis_value120,
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};
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static void gesture_swipe_begin(void *data,
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struct zwp_pointer_gesture_swipe_v1 *zwp_pointer_gesture_swipe_v1,
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uint32_t serial, uint32_t time, struct wl_surface *surface,
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uint32_t fingers) {
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struct wlr_wl_seat *seat = data;
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struct wlr_wl_pointer *pointer = seat->active_pointer;
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if (pointer == NULL) {
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return;
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}
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pointer->fingers = fingers;
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struct wlr_pointer_swipe_begin_event wlr_event = {
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.pointer = &pointer->wlr_pointer,
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.time_msec = time,
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.fingers = fingers,
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};
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wl_signal_emit_mutable(&pointer->wlr_pointer.events.swipe_begin, &wlr_event);
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}
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static void gesture_swipe_update(void *data,
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struct zwp_pointer_gesture_swipe_v1 *zwp_pointer_gesture_swipe_v1,
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uint32_t time, wl_fixed_t dx, wl_fixed_t dy) {
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struct wlr_wl_seat *seat = data;
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struct wlr_wl_pointer *pointer = seat->active_pointer;
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if (pointer == NULL) {
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return;
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}
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struct wlr_pointer_swipe_update_event wlr_event = {
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.pointer = &pointer->wlr_pointer,
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.time_msec = time,
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.fingers = pointer->fingers,
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.dx = wl_fixed_to_double(dx),
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.dy = wl_fixed_to_double(dy),
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};
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wl_signal_emit_mutable(&pointer->wlr_pointer.events.swipe_update, &wlr_event);
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}
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static void gesture_swipe_end(void *data,
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struct zwp_pointer_gesture_swipe_v1 *zwp_pointer_gesture_swipe_v1,
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uint32_t serial, uint32_t time, int32_t cancelled) {
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struct wlr_wl_seat *seat = data;
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struct wlr_wl_pointer *pointer = seat->active_pointer;
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if (pointer == NULL) {
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return;
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}
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struct wlr_pointer_swipe_end_event wlr_event = {
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.pointer = &pointer->wlr_pointer,
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.time_msec = time,
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.cancelled = cancelled,
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};
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wl_signal_emit_mutable(&pointer->wlr_pointer.events.swipe_end, &wlr_event);
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}
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static const struct zwp_pointer_gesture_swipe_v1_listener gesture_swipe_impl = {
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.begin = gesture_swipe_begin,
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.update = gesture_swipe_update,
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.end = gesture_swipe_end,
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};
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static void gesture_pinch_begin(void *data,
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struct zwp_pointer_gesture_pinch_v1 *zwp_pointer_gesture_pinch_v1,
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uint32_t serial, uint32_t time, struct wl_surface *surface,
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uint32_t fingers) {
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struct wlr_wl_seat *seat = data;
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struct wlr_wl_pointer *pointer = seat->active_pointer;
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if (pointer == NULL) {
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return;
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}
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pointer->fingers = fingers;
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struct wlr_pointer_pinch_begin_event wlr_event = {
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.pointer = &pointer->wlr_pointer,
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.time_msec = time,
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.fingers = pointer->fingers,
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};
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wl_signal_emit_mutable(&pointer->wlr_pointer.events.pinch_begin, &wlr_event);
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}
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static void gesture_pinch_update(void *data,
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struct zwp_pointer_gesture_pinch_v1 *zwp_pointer_gesture_pinch_v1,
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uint32_t time, wl_fixed_t dx, wl_fixed_t dy, wl_fixed_t scale,
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wl_fixed_t rotation) {
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struct wlr_wl_seat *seat = data;
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struct wlr_wl_pointer *pointer = seat->active_pointer;
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if (pointer == NULL) {
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return;
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}
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struct wlr_pointer_pinch_update_event wlr_event = {
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.pointer = &pointer->wlr_pointer,
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.time_msec = time,
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.fingers = pointer->fingers,
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.dx = wl_fixed_to_double(dx),
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.dy = wl_fixed_to_double(dy),
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.scale = wl_fixed_to_double(scale),
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.rotation = wl_fixed_to_double(rotation),
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};
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wl_signal_emit_mutable(&pointer->wlr_pointer.events.pinch_update, &wlr_event);
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}
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static void gesture_pinch_end(void *data,
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struct zwp_pointer_gesture_pinch_v1 *zwp_pointer_gesture_pinch_v1,
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uint32_t serial, uint32_t time, int32_t cancelled) {
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struct wlr_wl_seat *seat = data;
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struct wlr_wl_pointer *pointer = seat->active_pointer;
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if (pointer == NULL) {
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return;
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}
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struct wlr_pointer_pinch_end_event wlr_event = {
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.pointer = &pointer->wlr_pointer,
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.time_msec = time,
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.cancelled = cancelled,
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};
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wl_signal_emit_mutable(&pointer->wlr_pointer.events.pinch_end, &wlr_event);
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}
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static const struct zwp_pointer_gesture_pinch_v1_listener gesture_pinch_impl = {
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.begin = gesture_pinch_begin,
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.update = gesture_pinch_update,
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.end = gesture_pinch_end,
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};
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static void gesture_hold_begin(void *data,
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struct zwp_pointer_gesture_hold_v1 *zwp_pointer_gesture_hold_v1,
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uint32_t serial, uint32_t time, struct wl_surface *surface,
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uint32_t fingers) {
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struct wlr_wl_seat *seat = data;
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struct wlr_wl_pointer *pointer = seat->active_pointer;
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if (pointer == NULL) {
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return;
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}
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pointer->fingers = fingers;
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struct wlr_pointer_hold_begin_event wlr_event = {
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.pointer = &pointer->wlr_pointer,
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.time_msec = time,
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.fingers = fingers,
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};
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wl_signal_emit_mutable(&pointer->wlr_pointer.events.hold_begin, &wlr_event);
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}
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static void gesture_hold_end(void *data,
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struct zwp_pointer_gesture_hold_v1 *zwp_pointer_gesture_hold_v1,
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uint32_t serial, uint32_t time, int32_t cancelled) {
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struct wlr_wl_seat *seat = data;
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struct wlr_wl_pointer *pointer = seat->active_pointer;
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if (pointer == NULL) {
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return;
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}
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struct wlr_pointer_hold_end_event wlr_event = {
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.pointer = &pointer->wlr_pointer,
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.time_msec = time,
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.cancelled = cancelled,
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};
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wl_signal_emit_mutable(&pointer->wlr_pointer.events.hold_end, &wlr_event);
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}
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static const struct zwp_pointer_gesture_hold_v1_listener gesture_hold_impl = {
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.begin = gesture_hold_begin,
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.end = gesture_hold_end,
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};
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static void relative_pointer_handle_relative_motion(void *data,
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struct zwp_relative_pointer_v1 *relative_pointer, uint32_t utime_hi,
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uint32_t utime_lo, wl_fixed_t dx, wl_fixed_t dy, wl_fixed_t dx_unaccel,
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wl_fixed_t dy_unaccel) {
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struct wlr_wl_seat *seat = data;
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struct wlr_wl_pointer *pointer = seat->active_pointer;
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if (pointer == NULL) {
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return;
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}
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uint64_t time_usec = (uint64_t)utime_hi << 32 | utime_lo;
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struct wlr_pointer_motion_event wlr_event = {
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.pointer = &pointer->wlr_pointer,
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.time_msec = (uint32_t)(time_usec / 1000),
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.delta_x = wl_fixed_to_double(dx),
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.delta_y = wl_fixed_to_double(dy),
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.unaccel_dx = wl_fixed_to_double(dx_unaccel),
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.unaccel_dy = wl_fixed_to_double(dy_unaccel),
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};
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wl_signal_emit_mutable(&pointer->wlr_pointer.events.motion, &wlr_event);
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}
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static const struct zwp_relative_pointer_v1_listener relative_pointer_listener = {
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.relative_motion = relative_pointer_handle_relative_motion,
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};
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const struct wlr_pointer_impl wl_pointer_impl = {
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.name = "wl-pointer",
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};
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static void destroy_pointer(struct wlr_wl_pointer *pointer) {
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if (pointer->output->cursor.pointer == pointer) {
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pointer->output->cursor.pointer = NULL;
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}
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if (pointer->seat->active_pointer == pointer) {
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pointer->seat->active_pointer = NULL;
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}
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wlr_pointer_finish(&pointer->wlr_pointer);
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wl_list_remove(&pointer->output_destroy.link);
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wl_list_remove(&pointer->link);
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free(pointer);
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}
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static void pointer_output_destroy(struct wl_listener *listener, void *data) {
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struct wlr_wl_pointer *pointer =
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wl_container_of(listener, pointer, output_destroy);
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destroy_pointer(pointer);
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}
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void create_pointer(struct wlr_wl_seat *seat, struct wlr_wl_output *output) {
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assert(seat->wl_pointer);
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if (output_get_pointer(output, seat->wl_pointer)) {
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wlr_log(WLR_DEBUG,
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"pointer for output '%s' from seat '%s' already exists",
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output->wlr_output.name, seat->name);
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return;
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}
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wlr_log(WLR_DEBUG, "creating pointer for output '%s' from seat '%s'",
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output->wlr_output.name, seat->name);
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struct wlr_wl_pointer *pointer = calloc(1, sizeof(struct wlr_wl_pointer));
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if (pointer == NULL) {
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wlr_log(WLR_ERROR, "failed to allocate wlr_wl_pointer");
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return;
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}
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char name[64] = {0};
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snprintf(name, sizeof(name), "wayland-pointer-%s", seat->name);
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wlr_pointer_init(&pointer->wlr_pointer, &wl_pointer_impl, name);
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pointer->wlr_pointer.output_name = strdup(output->wlr_output.name);
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pointer->seat = seat;
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pointer->output = output;
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wl_signal_add(&output->wlr_output.events.destroy, &pointer->output_destroy);
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pointer->output_destroy.notify = pointer_output_destroy;
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wl_signal_emit_mutable(&seat->backend->backend.events.new_input,
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&pointer->wlr_pointer.base);
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wl_list_insert(&seat->pointers, &pointer->link);
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}
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void init_seat_pointer(struct wlr_wl_seat *seat) {
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assert(seat->wl_pointer);
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struct wlr_wl_backend *backend = seat->backend;
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|
wl_list_init(&seat->pointers);
|
|
|
|
struct wlr_wl_output *output;
|
|
wl_list_for_each(output, &backend->outputs, link) {
|
|
create_pointer(seat, output);
|
|
}
|
|
|
|
if (backend->zwp_pointer_gestures_v1) {
|
|
uint32_t version = zwp_pointer_gestures_v1_get_version(
|
|
backend->zwp_pointer_gestures_v1);
|
|
|
|
seat->gesture_swipe = zwp_pointer_gestures_v1_get_swipe_gesture(
|
|
backend->zwp_pointer_gestures_v1, seat->wl_pointer);
|
|
zwp_pointer_gesture_swipe_v1_add_listener(seat->gesture_swipe,
|
|
&gesture_swipe_impl, seat);
|
|
|
|
seat->gesture_pinch = zwp_pointer_gestures_v1_get_pinch_gesture(
|
|
backend->zwp_pointer_gestures_v1, seat->wl_pointer);
|
|
zwp_pointer_gesture_pinch_v1_add_listener(seat->gesture_pinch,
|
|
&gesture_pinch_impl, seat);
|
|
|
|
if (version >= ZWP_POINTER_GESTURES_V1_GET_HOLD_GESTURE) {
|
|
seat->gesture_hold = zwp_pointer_gestures_v1_get_hold_gesture(
|
|
backend->zwp_pointer_gestures_v1, seat->wl_pointer);
|
|
zwp_pointer_gesture_hold_v1_add_listener(seat->gesture_hold,
|
|
&gesture_hold_impl, seat);
|
|
}
|
|
}
|
|
|
|
if (backend->zwp_relative_pointer_manager_v1) {
|
|
seat->relative_pointer =
|
|
zwp_relative_pointer_manager_v1_get_relative_pointer(
|
|
backend->zwp_relative_pointer_manager_v1, seat->wl_pointer);
|
|
zwp_relative_pointer_v1_add_listener(seat->relative_pointer,
|
|
&relative_pointer_listener, seat);
|
|
}
|
|
|
|
wl_pointer_add_listener(seat->wl_pointer, &pointer_listener, seat);
|
|
}
|
|
|
|
void finish_seat_pointer(struct wlr_wl_seat *seat) {
|
|
assert(seat->wl_pointer);
|
|
|
|
wl_pointer_release(seat->wl_pointer);
|
|
|
|
struct wlr_wl_pointer *pointer, *tmp;
|
|
wl_list_for_each_safe(pointer, tmp, &seat->pointers, link) {
|
|
destroy_pointer(pointer);
|
|
}
|
|
|
|
if (seat->gesture_swipe != NULL) {
|
|
zwp_pointer_gesture_swipe_v1_destroy(seat->gesture_swipe);
|
|
}
|
|
if (seat->gesture_pinch != NULL) {
|
|
zwp_pointer_gesture_pinch_v1_destroy(seat->gesture_pinch);
|
|
}
|
|
if (seat->gesture_hold != NULL) {
|
|
zwp_pointer_gesture_hold_v1_destroy(seat->gesture_hold);
|
|
}
|
|
if (seat->relative_pointer != NULL) {
|
|
zwp_relative_pointer_v1_destroy(seat->relative_pointer);
|
|
}
|
|
|
|
seat->wl_pointer = NULL;
|
|
seat->active_pointer = NULL;
|
|
}
|