mirror of
https://github.com/labwc/labwc.git
synced 2025-11-02 09:01:47 -05:00
3f65a2ff77
Chases wlroots 9eb71146ae56c509ee33c7e8a662549592aad870 wlr_scene: Refactor wlr_scene (the root element) to encase a wlr_scene_tree
93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
#include <wlr/types/wlr_touch.h>
|
|
#include "labwc.h"
|
|
#include "common/scene-helpers.h"
|
|
|
|
static struct wlr_surface*
|
|
touch_get_coords(struct seat *seat, struct wlr_touch *touch, double x, double y,
|
|
double *sx, double *sy)
|
|
{
|
|
/* Convert coordinates: first [0, 1] => layout, then layout => surface */
|
|
double lx, ly;
|
|
wlr_cursor_absolute_to_layout_coords(seat->cursor, &touch->base,
|
|
x, y, &lx, &ly);
|
|
|
|
struct wlr_scene_node *node =
|
|
wlr_scene_node_at(&seat->server->scene->tree.node, lx, ly, sx, sy);
|
|
|
|
/* Find the surface and return it if it accepts touch events. */
|
|
struct wlr_surface *surface = lab_wlr_surface_from_node(node);
|
|
|
|
if (surface && !wlr_surface_accepts_touch(seat->seat, surface)) {
|
|
surface = NULL;
|
|
}
|
|
return surface;
|
|
}
|
|
|
|
static void
|
|
touch_motion(struct wl_listener *listener, void *data)
|
|
{
|
|
struct seat *seat = wl_container_of(listener, seat, touch_motion);
|
|
struct wlr_touch_motion_event *event = data;
|
|
wlr_idle_notify_activity(seat->wlr_idle, seat->seat);
|
|
|
|
double sx, sy;
|
|
if (touch_get_coords(seat, event->touch, event->x, event->y, &sx, &sy)) {
|
|
wlr_seat_touch_notify_motion(seat->seat, event->time_msec,
|
|
event->touch_id, sx, sy);
|
|
}
|
|
}
|
|
|
|
static void
|
|
touch_frame(struct wl_listener *listener, void *data)
|
|
{
|
|
struct seat *seat = wl_container_of(listener, seat, touch_frame);
|
|
|
|
wlr_seat_touch_notify_frame(seat->seat);
|
|
}
|
|
|
|
static void
|
|
touch_down(struct wl_listener *listener, void *data)
|
|
{
|
|
struct seat *seat = wl_container_of(listener, seat, touch_down);
|
|
struct wlr_touch_down_event *event = data;
|
|
|
|
double sx, sy;
|
|
struct wlr_surface *surface = touch_get_coords(seat, event->touch,
|
|
event->x, event->y, &sx, &sy);
|
|
if (surface) {
|
|
wlr_seat_touch_notify_down(seat->seat, surface,
|
|
event->time_msec, event->touch_id, sx, sy);
|
|
}
|
|
}
|
|
|
|
static void
|
|
touch_up(struct wl_listener *listener, void *data)
|
|
{
|
|
struct seat *seat = wl_container_of(listener, seat, touch_up);
|
|
struct wlr_touch_up_event *event = data;
|
|
|
|
wlr_seat_touch_notify_up(seat->seat, event->time_msec, event->touch_id);
|
|
}
|
|
|
|
void
|
|
touch_init(struct seat *seat)
|
|
{
|
|
seat->touch_down.notify = touch_down;
|
|
wl_signal_add(&seat->cursor->events.touch_down, &seat->touch_down);
|
|
seat->touch_up.notify = touch_up;
|
|
wl_signal_add(&seat->cursor->events.touch_up, &seat->touch_up);
|
|
seat->touch_motion.notify = touch_motion;
|
|
wl_signal_add(&seat->cursor->events.touch_motion, &seat->touch_motion);
|
|
seat->touch_frame.notify = touch_frame;
|
|
wl_signal_add(&seat->cursor->events.touch_frame, &seat->touch_frame);
|
|
}
|
|
|
|
void
|
|
touch_finish(struct seat *seat)
|
|
{
|
|
wl_list_remove(&seat->touch_down.link);
|
|
wl_list_remove(&seat->touch_up.link);
|
|
wl_list_remove(&seat->touch_motion.link);
|
|
wl_list_remove(&seat->touch_frame.link);
|
|
}
|