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input: support tablet-v2 pad notifications

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This commit is contained in:
Jens Peters 2024-06-04 20:21:12 +02:00 • committed by Johan Malm
parent 61e5e0e4d9
commit 3c0cea92f2
4 changed files with 155 additions and 10 deletions
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12
include/input/tablet-pad.h
View file

@ -3,6 +3,7 @@
#define LABWC_TABLET_PAD_H
#include <wayland-server-core.h>
#include <wlr/types/wlr_tablet_v2.h>
struct seat;
struct wlr_device;
@ -19,15 +20,24 @@ struct wlr_input_device;
#define LAB_BTN_PAD9 0x8
struct drawing_tablet_pad {
struct wlr_input_device *wlr_input_device;
struct seat *seat;
struct wlr_tablet_pad *tablet;
struct wlr_tablet_pad *pad;
struct wlr_tablet_v2_tablet_pad *pad_v2;
struct drawing_tablet *tablet;
struct wlr_surface *current_surface;
struct {
struct wl_listener current_surface_destroy;
struct wl_listener button;
struct wl_listener ring;
struct wl_listener strip;
struct wl_listener destroy;
} handlers;
struct wl_list link; /* seat.tablet_pads */
};
void tablet_pad_init(struct seat *seat, struct wlr_input_device *wlr_input_device);
void tablet_pad_attach_tablet(struct seat *seat);
void tablet_pad_enter_surface(struct seat *seat, struct wlr_surface *wlr_surface);
#endif /* LABWC_TABLET_PAD_H */

145
src/input/tablet-pad.c
View file

@ -1,27 +1,143 @@
// SPDX-License-Identifier: GPL-2.0-only
#include <assert.h>
#include <stdlib.h>
#include <wlr/backend/libinput.h>
#include <wlr/types/wlr_tablet_pad.h>
#include <wlr/types/wlr_tablet_tool.h>
#include <wlr/util/log.h>
#include "common/macros.h"
#include "common/mem.h"
#include "config/rcxml.h"
#include "input/cursor.h"
#include "input/tablet-pad.h"
#include "input/tablet.h"
#include "labwc.h"
void
tablet_pad_attach_tablet(struct seat *seat)
{
/* reset all tablet - pad links */
struct drawing_tablet_pad *pad;
wl_list_for_each(pad, &seat->tablet_pads, link) {
pad->tablet = NULL;
}
/* loop over all tablets and all pads and link by device group */
struct drawing_tablet *tablet;
wl_list_for_each(tablet, &seat->tablets, link) {
struct libinput_device *tablet_device =
wlr_libinput_get_device_handle(tablet->wlr_input_device);
struct libinput_device_group *tablet_group =
libinput_device_get_device_group(tablet_device);
wl_list_for_each(pad, &seat->tablet_pads, link) {
struct libinput_device *pad_device =
wlr_libinput_get_device_handle(pad->wlr_input_device);
struct libinput_device_group *pad_group =
libinput_device_get_device_group(pad_device);
if (tablet_group == pad_group) {
wlr_log(WLR_DEBUG, "attach tablet to pad based on device group");
pad->tablet = tablet;
}
}
}
}
static void
handle_surface_destroy(struct wl_listener *listener, void *data)
{
struct drawing_tablet_pad *pad =
wl_container_of(listener, pad, handlers.current_surface_destroy);
pad->current_surface = NULL;
wl_list_remove(&pad->handlers.current_surface_destroy.link);
}
void
tablet_pad_enter_surface(struct seat *seat, struct wlr_surface *surface)
{
if (!surface) {
return;
}
struct drawing_tablet_pad *pad;
wl_list_for_each(pad, &seat->tablet_pads, link) {
/* pad needs a linked tablet and both need tablet-v2 support */
if (pad->tablet && pad->pad_v2 && pad->tablet->tablet_v2) {
if (pad->current_surface) {
wlr_tablet_v2_tablet_pad_notify_leave(pad->pad_v2,
pad->current_surface);
/* remove previous surface destroy handler */
wl_list_remove(&pad->handlers.current_surface_destroy.link);
}
pad->current_surface = surface;
wlr_tablet_v2_tablet_pad_notify_enter(pad->pad_v2,
pad->tablet->tablet_v2, surface);
/* signal surface destroy handler */
wl_signal_add(&pad->current_surface->events.destroy,
&pad->handlers.current_surface_destroy);
pad->handlers.current_surface_destroy.notify =
handle_surface_destroy;
}
}
}
static void
handle_button(struct wl_listener *listener, void *data)
{
struct drawing_tablet_pad *tablet_pad =
wl_container_of(listener, tablet_pad, handlers.button);
struct drawing_tablet_pad *pad =
wl_container_of(listener, pad, handlers.button);
struct wlr_tablet_pad_button_event *ev = data;
if (!rc.tablet.force_mouse_emulation
&& pad->pad_v2 && pad->current_surface) {
wlr_tablet_v2_tablet_pad_notify_button(pad->pad_v2, ev->button,
ev->time_msec,
ev->state == WLR_BUTTON_PRESSED
? ZWP_TABLET_PAD_V2_BUTTON_STATE_PRESSED
: ZWP_TABLET_PAD_V2_BUTTON_STATE_RELEASED);
} else {
uint32_t button = tablet_get_mapped_button(ev->button);
if (!button) {
return;
if (button) {
cursor_emulate_button(pad->seat, button, ev->state, ev->time_msec);
}
}
}
cursor_emulate_button(tablet_pad->seat, button, ev->state, ev->time_msec);
static void
handle_ring(struct wl_listener *listener, void *data)
{
struct drawing_tablet_pad *pad =
wl_container_of(listener, pad, handlers.ring);
struct wlr_tablet_pad_ring_event *ev = data;
if (!rc.tablet.force_mouse_emulation
&& pad->pad_v2 && pad->current_surface) {
wlr_tablet_v2_tablet_pad_notify_ring(pad->pad_v2,
ev->ring, ev->position,
ev->source == WLR_TABLET_PAD_RING_SOURCE_FINGER,
ev->time_msec);
}
}
static void
handle_strip(struct wl_listener *listener, void *data)
{
struct drawing_tablet_pad *pad =
wl_container_of(listener, pad, handlers.strip);
struct wlr_tablet_pad_strip_event *ev = data;
if (!rc.tablet.force_mouse_emulation
&& pad->pad_v2 && pad->current_surface) {
wlr_tablet_v2_tablet_pad_notify_strip(pad->pad_v2,
ev->strip, ev->position,
ev->source == WLR_TABLET_PAD_STRIP_SOURCE_FINGER,
ev->time_msec);
}
}
static void
@ -30,8 +146,13 @@ handle_destroy(struct wl_listener *listener, void *data)
struct drawing_tablet_pad *pad =
wl_container_of(listener, pad, handlers.destroy);
if (pad->current_surface) {
wl_list_remove(&pad->handlers.current_surface_destroy.link);
}
wl_list_remove(&pad->link);
wl_list_remove(&pad->handlers.button.link);
wl_list_remove(&pad->handlers.ring.link);
wl_list_remove(&pad->handlers.strip.link);
wl_list_remove(&pad->handlers.destroy.link);
free(pad);
}
@ -42,9 +163,17 @@ tablet_pad_init(struct seat *seat, struct wlr_input_device *wlr_device)
wlr_log(WLR_DEBUG, "setting up tablet pad");
struct drawing_tablet_pad *pad = znew(*pad);
pad->seat = seat;
pad->tablet = wlr_tablet_pad_from_input_device(wlr_device);
pad->tablet->data = pad;
CONNECT_SIGNAL(pad->tablet, &pad->handlers, button);
pad->wlr_input_device = wlr_device;
pad->pad = wlr_tablet_pad_from_input_device(wlr_device);
if (seat->server->tablet_manager) {
pad->pad_v2 = wlr_tablet_pad_create(
seat->server->tablet_manager, seat->seat, wlr_device);
}
pad->pad->data = pad;
CONNECT_SIGNAL(pad->pad, &pad->handlers, button);
CONNECT_SIGNAL(pad->pad, &pad->handlers, ring);
CONNECT_SIGNAL(pad->pad, &pad->handlers, strip);
CONNECT_SIGNAL(wlr_device, &pad->handlers, destroy);
wl_list_insert(&seat->tablet_pads, &pad->link);
tablet_pad_attach_tablet(pad->seat);
}

5
src/input/tablet.c
View file

@ -14,6 +14,7 @@
#include "input/cursor.h"
#include "input/tablet.h"
#include "input/tablet-tool.h"
#include "input/tablet-pad.h"
#include "labwc.h"
#include "idle.h"
#include "action.h"
@ -511,6 +512,8 @@ handle_destroy(struct wl_listener *listener, void *data)
wl_container_of(listener, tablet, handlers.destroy);
wl_list_remove(&tablet->link);
tablet_pad_attach_tablet(tablet->seat);
wl_list_remove(&tablet->handlers.tip.link);
wl_list_remove(&tablet->handlers.button.link);
wl_list_remove(&tablet->handlers.proximity.link);
@ -548,5 +551,7 @@ tablet_init(struct seat *seat, struct wlr_input_device *wlr_device)
CONNECT_SIGNAL(tablet->tablet, &tablet->handlers, tip);
CONNECT_SIGNAL(tablet->tablet, &tablet->handlers, button);
CONNECT_SIGNAL(wlr_device, &tablet->handlers, destroy);
wl_list_insert(&seat->tablets, &tablet->link);
tablet_pad_attach_tablet(tablet->seat);
}

1
src/seat.c
View file

@ -504,6 +504,7 @@ focus_change_notify(struct wl_listener *listener, void *data)
}
if (view) {
view_set_activated(view, true);
tablet_pad_enter_surface(seat, surface);
}
server->active_view = view;
}