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wlroots/backend/wayland/pointer.c

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backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
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#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <stdlib.h>
#include <wayland-client.h>
#include <wlr/interfaces/wlr_pointer.h>
#include <wlr/util/log.h>
#include "backend/wayland.h"
#include "util/signal.h"
#include "pointer-gestures-unstable-v1-client-protocol.h"
#include "relative-pointer-unstable-v1-client-protocol.h"
static struct wlr_wl_pointer *output_get_pointer(struct wlr_wl_output *output,
const struct wl_pointer *wl_pointer) {
struct wlr_wl_seat *seat;
wl_list_for_each(seat, &output->backend->seats, link) {
if (seat->wl_pointer != wl_pointer) {
continue;
}
struct wlr_wl_pointer *pointer;
wl_list_for_each(pointer, &seat->pointers, link) {
if (pointer->output == output) {
return pointer;
}
}
}
return NULL;
}
static void pointer_handle_enter(void *data, struct wl_pointer *wl_pointer,
uint32_t serial, struct wl_surface *surface, wl_fixed_t sx,
wl_fixed_t sy) {
struct wlr_wl_seat *seat = data;
if (surface == NULL) {
return;
}
struct wlr_wl_output *output = wl_surface_get_user_data(surface);
assert(output);
struct wlr_wl_pointer *pointer = output_get_pointer(output, wl_pointer);
seat->active_pointer = pointer;
// Manage cursor icon/rendering on output
struct wlr_wl_pointer *current = output->cursor.pointer;
if (current && current != pointer) {
wlr_log(WLR_INFO, "Ignoring seat '%s' pointer in favor of seat '%s'",
seat->name, current->seat->name);
return;
}
output->enter_serial = serial;
output->cursor.pointer = pointer;
update_wl_output_cursor(output);
}
static void pointer_handle_leave(void *data, struct wl_pointer *wl_pointer,
uint32_t serial, struct wl_surface *surface) {
struct wlr_wl_seat *seat = data;
if (surface == NULL) {
return;
}
struct wlr_wl_output *output = wl_surface_get_user_data(surface);
assert(output);
if (seat->active_pointer != NULL &&
seat->active_pointer->output == output) {
seat->active_pointer = NULL;
}
if (output->cursor.pointer == seat->active_pointer) {
output->enter_serial = 0;
output->cursor.pointer = NULL;
}
}
static void pointer_handle_motion(void *data, struct wl_pointer *wl_pointer,
uint32_t time, wl_fixed_t sx, wl_fixed_t sy) {
struct wlr_wl_seat *seat = data;
struct wlr_wl_pointer *pointer = seat->active_pointer;
if (pointer == NULL) {
return;
}
struct wlr_output *wlr_output = &pointer->output->wlr_output;
types/wlr_pointer: uniformize events name
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struct wlr_pointer_motion_absolute_event event = {
.pointer = &pointer->wlr_pointer,
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
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.time_msec = time,
.x = wl_fixed_to_double(sx) / wlr_output->width,
.y = wl_fixed_to_double(sy) / wlr_output->height,
};
wlr_signal_emit_safe(&pointer->wlr_pointer.events.motion_absolute, &event);
}
static void pointer_handle_button(void *data, struct wl_pointer *wl_pointer,
uint32_t serial, uint32_t time, uint32_t button, uint32_t state) {
struct wlr_wl_seat *seat = data;
struct wlr_wl_pointer *pointer = seat->active_pointer;
if (pointer == NULL) {
return;
}
types/wlr_pointer: uniformize events name
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struct wlr_pointer_button_event event = {
.pointer = &pointer->wlr_pointer,
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
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.button = button,
.state = state,
.time_msec = time,
};
wlr_signal_emit_safe(&pointer->wlr_pointer.events.button, &event);
}
static void pointer_handle_axis(void *data, struct wl_pointer *wl_pointer,
uint32_t time, uint32_t axis, wl_fixed_t value) {
struct wlr_wl_seat *seat = data;
struct wlr_wl_pointer *pointer = seat->active_pointer;
if (pointer == NULL) {
return;
}
types/wlr_pointer: uniformize events name
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struct wlr_pointer_axis_event event = {
.pointer = &pointer->wlr_pointer,
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
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.delta = wl_fixed_to_double(value),
.delta_discrete = pointer->axis_discrete,
.orientation = axis,
.time_msec = time,
.source = pointer->axis_source,
};
wlr_signal_emit_safe(&pointer->wlr_pointer.events.axis, &event);
pointer->axis_discrete = 0;
}
static void pointer_handle_frame(void *data, struct wl_pointer *wl_pointer) {
struct wlr_wl_seat *seat = data;
struct wlr_wl_pointer *pointer = seat->active_pointer;
if (pointer == NULL) {
return;
}
wlr_signal_emit_safe(&pointer->wlr_pointer.events.frame,
&pointer->wlr_pointer);
}
static void pointer_handle_axis_source(void *data,
struct wl_pointer *wl_pointer, uint32_t axis_source) {
struct wlr_wl_seat *seat = data;
struct wlr_wl_pointer *pointer = seat->active_pointer;
if (pointer == NULL) {
return;
}
pointer->axis_source = axis_source;
}
static void pointer_handle_axis_stop(void *data, struct wl_pointer *wl_pointer,
uint32_t time, uint32_t axis) {
struct wlr_wl_seat *seat = data;
struct wlr_wl_pointer *pointer = seat->active_pointer;
if (pointer == NULL) {
return;
}
types/wlr_pointer: uniformize events name
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struct wlr_pointer_axis_event event = {
.pointer = &pointer->wlr_pointer,
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
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.delta = 0,
.delta_discrete = 0,
.orientation = axis,
.time_msec = time,
.source = pointer->axis_source,
};
wlr_signal_emit_safe(&pointer->wlr_pointer.events.axis, &event);
}
static void pointer_handle_axis_discrete(void *data,
struct wl_pointer *wl_pointer, uint32_t axis, int32_t discrete) {
struct wlr_wl_seat *seat = data;
struct wlr_wl_pointer *pointer = seat->active_pointer;
if (pointer == NULL) {
return;
}
pointer: transform low-res to high-res axis events Currently, the "wlr_event_pointer_axis" event stores low-resolution values in its "delta_discrete" field. Low-resolution values are always multiples of one, i.e., 1 for one wheel detent, 2 for two wheel detents, etc. In order to simplify internal handling of events, always transform in the backend from the low-resolution value into the high-resolution value. The transformation is performed by multiplying by 120. The 120 magic number is used by the kernel and it is exposed to clients in the "WLR_POINTER_AXIS_DISCRETE_STEP" constant.
2022-02-25 16:30:31 +00:00
pointer->axis_discrete = discrete * WLR_POINTER_AXIS_DISCRETE_STEP;
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
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}
backend/wayland: handle high-res scroll events Receive high-resolution scroll events from the parent compositor using a Wayland listiner and emit the appropiate wlr_pointer signal.
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static void pointer_handle_axis_value120(void *data,
struct wl_pointer *wl_pointer, uint32_t axis, int32_t value120) {
struct wlr_wl_seat *seat = data;
struct wlr_wl_pointer *pointer = seat->active_pointer;
if (pointer == NULL) {
return;
}
pointer->axis_discrete = value120;
}
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
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static const struct wl_pointer_listener pointer_listener = {
.enter = pointer_handle_enter,
.leave = pointer_handle_leave,
.motion = pointer_handle_motion,
.button = pointer_handle_button,
.axis = pointer_handle_axis,
.frame = pointer_handle_frame,
.axis_source = pointer_handle_axis_source,
.axis_stop = pointer_handle_axis_stop,
.axis_discrete = pointer_handle_axis_discrete,
backend/wayland: handle high-res scroll events Receive high-resolution scroll events from the parent compositor using a Wayland listiner and emit the appropiate wlr_pointer signal.
2022-02-25 16:31:01 +00:00
.axis_value120 = pointer_handle_axis_value120,
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
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};
static void gesture_swipe_begin(void *data,
struct zwp_pointer_gesture_swipe_v1 *zwp_pointer_gesture_swipe_v1,
uint32_t serial, uint32_t time, struct wl_surface *surface,
uint32_t fingers) {
struct wlr_wl_seat *seat = data;
struct wlr_wl_pointer *pointer = seat->active_pointer;
if (pointer == NULL) {
return;
}
pointer->fingers = fingers;
types/wlr_pointer: uniformize events name
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struct wlr_pointer_swipe_begin_event wlr_event = {
.pointer = &pointer->wlr_pointer,
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
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.time_msec = time,
.fingers = fingers,
};
wlr_signal_emit_safe(&pointer->wlr_pointer.events.swipe_begin, &wlr_event);
}
static void gesture_swipe_update(void *data,
struct zwp_pointer_gesture_swipe_v1 *zwp_pointer_gesture_swipe_v1,
uint32_t time, wl_fixed_t dx, wl_fixed_t dy) {
struct wlr_wl_seat *seat = data;
struct wlr_wl_pointer *pointer = seat->active_pointer;
if (pointer == NULL) {
return;
}
types/wlr_pointer: uniformize events name
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struct wlr_pointer_swipe_update_event wlr_event = {
.pointer = &pointer->wlr_pointer,
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
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.time_msec = time,
.fingers = pointer->fingers,
.dx = wl_fixed_to_double(dx),
.dy = wl_fixed_to_double(dy),
};
wlr_signal_emit_safe(&pointer->wlr_pointer.events.swipe_update, &wlr_event);
}
static void gesture_swipe_end(void *data,
struct zwp_pointer_gesture_swipe_v1 *zwp_pointer_gesture_swipe_v1,
uint32_t serial, uint32_t time, int32_t cancelled) {
struct wlr_wl_seat *seat = data;
struct wlr_wl_pointer *pointer = seat->active_pointer;
if (pointer == NULL) {
return;
}
types/wlr_pointer: uniformize events name
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struct wlr_pointer_swipe_end_event wlr_event = {
.pointer = &pointer->wlr_pointer,
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
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.time_msec = time,
.cancelled = cancelled,
};
wlr_signal_emit_safe(&pointer->wlr_pointer.events.swipe_end, &wlr_event);
}
static const struct zwp_pointer_gesture_swipe_v1_listener gesture_swipe_impl = {
.begin = gesture_swipe_begin,
.update = gesture_swipe_update,
.end = gesture_swipe_end,
};
static void gesture_pinch_begin(void *data,
struct zwp_pointer_gesture_pinch_v1 *zwp_pointer_gesture_pinch_v1,
uint32_t serial, uint32_t time, struct wl_surface *surface,
uint32_t fingers) {
struct wlr_wl_seat *seat = data;
struct wlr_wl_pointer *pointer = seat->active_pointer;
if (pointer == NULL) {
return;
}
pointer->fingers = fingers;
types/wlr_pointer: uniformize events name
2022-03-09 19:52:27 +00:00
struct wlr_pointer_pinch_begin_event wlr_event = {
.pointer = &pointer->wlr_pointer,
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
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.time_msec = time,
.fingers = pointer->fingers,
};
wlr_signal_emit_safe(&pointer->wlr_pointer.events.pinch_begin, &wlr_event);
}
static void gesture_pinch_update(void *data,
struct zwp_pointer_gesture_pinch_v1 *zwp_pointer_gesture_pinch_v1,
uint32_t time, wl_fixed_t dx, wl_fixed_t dy, wl_fixed_t scale,
wl_fixed_t rotation) {
struct wlr_wl_seat *seat = data;
struct wlr_wl_pointer *pointer = seat->active_pointer;
if (pointer == NULL) {
return;
}
types/wlr_pointer: uniformize events name
2022-03-09 19:52:27 +00:00
struct wlr_pointer_pinch_update_event wlr_event = {
.pointer = &pointer->wlr_pointer,
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
2022-03-05 02:59:59 +00:00
.time_msec = time,
.fingers = pointer->fingers,
.dx = wl_fixed_to_double(dx),
.dy = wl_fixed_to_double(dy),
.scale = wl_fixed_to_double(scale),
.rotation = wl_fixed_to_double(rotation),
};
wlr_signal_emit_safe(&pointer->wlr_pointer.events.pinch_update, &wlr_event);
}
static void gesture_pinch_end(void *data,
struct zwp_pointer_gesture_pinch_v1 *zwp_pointer_gesture_pinch_v1,
uint32_t serial, uint32_t time, int32_t cancelled) {
struct wlr_wl_seat *seat = data;
struct wlr_wl_pointer *pointer = seat->active_pointer;
if (pointer == NULL) {
return;
}
types/wlr_pointer: uniformize events name
2022-03-09 19:52:27 +00:00
struct wlr_pointer_pinch_end_event wlr_event = {
.pointer = &pointer->wlr_pointer,
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
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.time_msec = time,
.cancelled = cancelled,
};
wlr_signal_emit_safe(&pointer->wlr_pointer.events.pinch_end, &wlr_event);
}
static const struct zwp_pointer_gesture_pinch_v1_listener gesture_pinch_impl = {
.begin = gesture_pinch_begin,
.update = gesture_pinch_update,
.end = gesture_pinch_end,
};
static void gesture_hold_begin(void *data,
struct zwp_pointer_gesture_hold_v1 *zwp_pointer_gesture_hold_v1,
uint32_t serial, uint32_t time, struct wl_surface *surface,
uint32_t fingers) {
struct wlr_wl_seat *seat = data;
struct wlr_wl_pointer *pointer = seat->active_pointer;
if (pointer == NULL) {
return;
}
pointer->fingers = fingers;
types/wlr_pointer: uniformize events name
2022-03-09 19:52:27 +00:00
struct wlr_pointer_hold_begin_event wlr_event = {
.pointer = &pointer->wlr_pointer,
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
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.time_msec = time,
.fingers = fingers,
};
wlr_signal_emit_safe(&pointer->wlr_pointer.events.hold_begin, &wlr_event);
}
static void gesture_hold_end(void *data,
struct zwp_pointer_gesture_hold_v1 *zwp_pointer_gesture_hold_v1,
uint32_t serial, uint32_t time, int32_t cancelled) {
struct wlr_wl_seat *seat = data;
struct wlr_wl_pointer *pointer = seat->active_pointer;
if (pointer == NULL) {
return;
}
types/wlr_pointer: uniformize events name
2022-03-09 19:52:27 +00:00
struct wlr_pointer_hold_end_event wlr_event = {
.pointer = &pointer->wlr_pointer,
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
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.time_msec = time,
.cancelled = cancelled,
};
wlr_signal_emit_safe(&pointer->wlr_pointer.events.hold_end, &wlr_event);
}
static const struct zwp_pointer_gesture_hold_v1_listener gesture_hold_impl = {
.begin = gesture_hold_begin,
.end = gesture_hold_end,
};
static void relative_pointer_handle_relative_motion(void *data,
struct zwp_relative_pointer_v1 *relative_pointer, uint32_t utime_hi,
uint32_t utime_lo, wl_fixed_t dx, wl_fixed_t dy, wl_fixed_t dx_unaccel,
wl_fixed_t dy_unaccel) {
struct wlr_wl_seat *seat = data;
struct wlr_wl_pointer *pointer = seat->active_pointer;
if (pointer == NULL) {
return;
}
uint64_t time_usec = (uint64_t)utime_hi << 32 | utime_lo;
types/wlr_pointer: uniformize events name
2022-03-09 19:52:27 +00:00
struct wlr_pointer_motion_event wlr_event = {
.pointer = &pointer->wlr_pointer,
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
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.time_msec = (uint32_t)(time_usec / 1000),
.delta_x = wl_fixed_to_double(dx),
.delta_y = wl_fixed_to_double(dy),
.unaccel_dx = wl_fixed_to_double(dx_unaccel),
.unaccel_dy = wl_fixed_to_double(dy_unaccel),
};
wlr_signal_emit_safe(&pointer->wlr_pointer.events.motion, &wlr_event);
}
static const struct zwp_relative_pointer_v1_listener relative_pointer_listener = {
.relative_motion = relative_pointer_handle_relative_motion,
};
const struct wlr_pointer_impl wl_pointer_impl = {
.name = "wl-pointer",
};
static void destroy_pointer(struct wlr_wl_pointer *pointer) {
backend/wayland/pointer: fix indentation
2022-04-20 11:49:25 +00:00
if (pointer->output->cursor.pointer == pointer) {
pointer->output->cursor.pointer = NULL;
}
backend/wayland: reset active pointer on destroy
2022-04-29 18:55:04 +00:00
if (pointer->seat->active_pointer == pointer) {
pointer->seat->active_pointer = NULL;
}
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
2022-03-05 02:59:59 +00:00
backend/wayland/pointer: fix indentation
2022-04-20 11:49:25 +00:00
wlr_pointer_finish(&pointer->wlr_pointer);
wl_list_remove(&pointer->output_destroy.link);
wl_list_remove(&pointer->link);
free(pointer);
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
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}
static void pointer_output_destroy(struct wl_listener *listener, void *data) {
struct wlr_wl_pointer *pointer =
wl_container_of(listener, pointer, output_destroy);
destroy_pointer(pointer);
}
void create_pointer(struct wlr_wl_seat *seat, struct wlr_wl_output *output) {
assert(seat->wl_pointer);
if (output_get_pointer(output, seat->wl_pointer)) {
wlr_log(WLR_DEBUG,
"pointer for output '%s' from seat '%s' already exists",
output->wlr_output.name, seat->name);
return;
}
wlr_log(WLR_DEBUG, "creating pointer for output '%s' from seat '%s'",
output->wlr_output.name, seat->name);
struct wlr_wl_pointer *pointer = calloc(1, sizeof(struct wlr_wl_pointer));
if (pointer == NULL) {
wlr_log(WLR_ERROR, "failed to allocate wlr_wl_pointer");
return;
}
char name[64] = {0};
snprintf(name, sizeof(name), "wayland-pointer-%s", seat->name);
wlr_pointer_init(&pointer->wlr_pointer, &wl_pointer_impl, name);
types/wlr_input_device: move output_name field to wlr_pointer and wlr_touch
2022-03-08 21:45:03 +00:00
pointer->wlr_pointer.output_name = strdup(output->wlr_output.name);
backend/wayland: give wlr_pointer ownership to wlr_wl_seat All the code logic related to the pointer has been moved to its own file. The seat is responsible for the lifetime of its wlr_wl_pointer(s), and assigning them to the relevant wlr_wl_output. The wlr_wl_pointer becomes a simple helper to manager the wlr_pointer associated to the seat's wl_pointer and its lifetime.
2022-03-05 02:59:59 +00:00
pointer->seat = seat;
pointer->output = output;
wl_signal_add(&output->wlr_output.events.destroy, &pointer->output_destroy);
pointer->output_destroy.notify = pointer_output_destroy;
wlr_signal_emit_safe(&seat->backend->backend.events.new_input,
&pointer->wlr_pointer.base);
wl_list_insert(&seat->pointers, &pointer->link);
}
void init_seat_pointer(struct wlr_wl_seat *seat) {
assert(seat->wl_pointer);
struct wlr_wl_backend *backend = seat->backend;
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;
}
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