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touch-input: Update for 0.8 and for wlroots-next-f4249db

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A Frederick Christensen 2026-02-26 22:18:41 -06:00
parent f4039c0252
commit 77df1eb16e
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GPG Key ID: 6183FA655784FC36
3 changed files with 273 additions and 13 deletions
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4
patches/touch-input/README.md
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@ -6,7 +6,8 @@ KNOWN BUGS:
### Download ### Download
- [git branch](https://codeberg.org/fauxmight/dwl/src/branch/touch-input) - [git branch](https://codeberg.org/fauxmight/dwl/src/branch/touch-input)
- [2025-05-17](https://codeberg.org/dwl/dwl-patches/raw/branch/main/patches/touch-input/touch-input.patch) - [touch-input-wlroots-next-f4249db.patch](https://codeberg.org/dwl/dwl-patches/raw/branch/main/patches/touch-input/touch-input-wlroots-next-f4249db.patch)
- [touch-input-0.8.patch](https://codeberg.org/dwl/dwl-patches/raw/branch/main/patches/touch-input/touch-input-0.8.patch)
### Authors ### Authors
- [fauxmight](https://codeberg.org/fauxmight) - [fauxmight](https://codeberg.org/fauxmight)
@ -14,6 +15,7 @@ KNOWN BUGS:
- [Unprex](https://github.com/Unprex) - [Unprex](https://github.com/Unprex)
### Changelog ### Changelog
- 2026-02-26 Update patch for dwl v0.8 and dwl wlroots-next branch commit f4249db
- 2025-01-01 @fauxmight took over maintenance. Previous maintainer @minego notes [lack of available time](https://codeberg.org/dwl/dwl-patches/pulls/102#issuecomment-2557944) - 2025-01-01 @fauxmight took over maintenance. Previous maintainer @minego notes [lack of available time](https://codeberg.org/dwl/dwl-patches/pulls/102#issuecomment-2557944)
- 2024-02-11 Corrected issue where motion events where not sending notifications for unfocused clients such as an on screen keyboard - 2024-02-11 Corrected issue where motion events where not sending notifications for unfocused clients such as an on screen keyboard
- 2024-03-26 Rebased, and removed #ifdef's for the pointer constraints patch which has been merged into upstream - 2024-03-26 Rebased, and removed #ifdef's for the pointer constraints patch which has been merged into upstream

23
patches/touch-input/touch-input.patch → patches/touch-input/touch-input-0.8.patch
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@ -1,15 +1,14 @@
From f133af7120e28f3d8bda4d4e14b3bfd477b46426 Mon Sep 17 00:00:00 2001 From 44dfe863a00f4bdc646df3d761ac97711dd2107a Mon Sep 17 00:00:00 2001
From: A Frederick Christensen <dwl@ivories.org> From: A Frederick Christensen <dwl@ivories.org>
Date: Sat, 17 May 2025 21:59:37 -0500 Date: Thu, 26 Feb 2026 22:12:53 -0600
Subject: [PATCH] Add support for touchscreen input devices Subject: [PATCH] Apply touch-input patch
and send the appropriate events to clients
--- ---
dwl.c | 158 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ dwl.c | 158 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 158 insertions(+) 1 file changed, 158 insertions(+)
diff --git a/dwl.c b/dwl.c diff --git a/dwl.c b/dwl.c
index 4816159..3a378f9 100644 index 44f3ad9..ccfe33c 100644
--- a/dwl.c --- a/dwl.c
+++ b/dwl.c +++ b/dwl.c
@@ -51,6 +51,7 @@ @@ -51,6 +51,7 @@
@ -73,7 +72,7 @@ index 4816159..3a378f9 100644
static struct wl_listener new_session_lock = {.notify = locksession}; static struct wl_listener new_session_lock = {.notify = locksession};
#ifdef XWAYLAND #ifdef XWAYLAND
@@ -778,6 +796,10 @@ cleanuplisteners(void) @@ -781,6 +799,10 @@ cleanuplisteners(void)
wl_list_remove(&request_set_cursor_shape.link); wl_list_remove(&request_set_cursor_shape.link);
wl_list_remove(&request_start_drag.link); wl_list_remove(&request_start_drag.link);
wl_list_remove(&start_drag.link); wl_list_remove(&start_drag.link);
@ -84,7 +83,7 @@ index 4816159..3a378f9 100644
wl_list_remove(&new_session_lock.link); wl_list_remove(&new_session_lock.link);
#ifdef XWAYLAND #ifdef XWAYLAND
wl_list_remove(&new_xwayland_surface.link); wl_list_remove(&new_xwayland_surface.link);
@@ -1196,6 +1218,16 @@ createpopup(struct wl_listener *listener, void *data) @@ -1199,6 +1221,16 @@ createpopup(struct wl_listener *listener, void *data)
LISTEN_STATIC(&popup->base->surface->events.commit, commitpopup); LISTEN_STATIC(&popup->base->surface->events.commit, commitpopup);
} }
@ -101,7 +100,7 @@ index 4816159..3a378f9 100644
void void
cursorconstrain(struct wlr_pointer_constraint_v1 *constraint) cursorconstrain(struct wlr_pointer_constraint_v1 *constraint)
{ {
@@ -1587,6 +1619,9 @@ inputdevice(struct wl_listener *listener, void *data) @@ -1590,6 +1622,9 @@ inputdevice(struct wl_listener *listener, void *data)
case WLR_INPUT_DEVICE_POINTER: case WLR_INPUT_DEVICE_POINTER:
createpointer(wlr_pointer_from_input_device(device)); createpointer(wlr_pointer_from_input_device(device));
break; break;
@ -111,7 +110,7 @@ index 4816159..3a378f9 100644
default: default:
/* TODO handle other input device types */ /* TODO handle other input device types */
break; break;
@@ -1599,6 +1634,8 @@ inputdevice(struct wl_listener *listener, void *data) @@ -1602,6 +1637,8 @@ inputdevice(struct wl_listener *listener, void *data)
caps = WL_SEAT_CAPABILITY_POINTER; caps = WL_SEAT_CAPABILITY_POINTER;
if (!wl_list_empty(&kb_group->wlr_group->devices)) if (!wl_list_empty(&kb_group->wlr_group->devices))
caps |= WL_SEAT_CAPABILITY_KEYBOARD; caps |= WL_SEAT_CAPABILITY_KEYBOARD;
@ -120,7 +119,7 @@ index 4816159..3a378f9 100644
wlr_seat_set_capabilities(seat, caps); wlr_seat_set_capabilities(seat, caps);
} }
@@ -2610,6 +2647,13 @@ setup(void) @@ -2615,6 +2652,13 @@ setup(void)
wl_signal_add(&cursor->events.axis, &cursor_axis); wl_signal_add(&cursor->events.axis, &cursor_axis);
wl_signal_add(&cursor->events.frame, &cursor_frame); wl_signal_add(&cursor->events.frame, &cursor_frame);
@ -134,7 +133,7 @@ index 4816159..3a378f9 100644
cursor_shape_mgr = wlr_cursor_shape_manager_v1_create(dpy, 1); cursor_shape_mgr = wlr_cursor_shape_manager_v1_create(dpy, 1);
wl_signal_add(&cursor_shape_mgr->events.request_set_shape, &request_set_cursor_shape); wl_signal_add(&cursor_shape_mgr->events.request_set_shape, &request_set_cursor_shape);
@@ -2782,6 +2826,120 @@ toggleview(const Arg *arg) @@ -2787,6 +2831,120 @@ toggleview(const Arg *arg)
printstatus(); printstatus();
} }
@ -256,5 +255,5 @@ index 4816159..3a378f9 100644
unlocksession(struct wl_listener *listener, void *data) unlocksession(struct wl_listener *listener, void *data)
{ {
-- --
2.49.0 2.52.0

259
patches/touch-input/touch-input-wlroots-next-f4249db.patch Normal file
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@ -0,0 +1,259 @@
From fa06ad17d5f203be0dc6e1af29b1a21a3cac0455 Mon Sep 17 00:00:00 2001
From: A Frederick Christensen <dwl@ivories.org>
Date: Thu, 26 Feb 2026 22:13:43 -0600
Subject: [PATCH] Apply touch-input patch
---
dwl.c | 158 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 158 insertions(+)
diff --git a/dwl.c b/dwl.c
index 8a9715d..8bf6023 100644
--- a/dwl.c
+++ b/dwl.c
@@ -52,6 +52,7 @@
#include <wlr/types/wlr_session_lock_v1.h>
#include <wlr/types/wlr_single_pixel_buffer_v1.h>
#include <wlr/types/wlr_subcompositor.h>
+#include <wlr/types/wlr_touch.h>
#include <wlr/types/wlr_viewporter.h>
#include <wlr/types/wlr_virtual_keyboard_v1.h>
#include <wlr/types/wlr_virtual_pointer_v1.h>
@@ -163,6 +164,12 @@ typedef struct {
struct wl_listener destroy;
} KeyboardGroup;
+typedef struct TouchGroup {
+ struct wl_list link;
+ struct wlr_touch *touch;
+ Monitor *m;
+} TouchGroup;
+
typedef struct {
/* Must keep this field first */
unsigned int type; /* LayerShell */
@@ -270,7 +277,9 @@ static void createnotify(struct wl_listener *listener, void *data);
static void createpointer(struct wlr_pointer *pointer);
static void createpointerconstraint(struct wl_listener *listener, void *data);
static void createpopup(struct wl_listener *listener, void *data);
+static void createtouch(struct wlr_touch *touch);
static void cursorconstrain(struct wlr_pointer_constraint_v1 *constraint);
+static void createtouch(struct wlr_touch *touch);
static void cursorframe(struct wl_listener *listener, void *data);
static void cursorwarptohint(void);
static void destroydecoration(struct wl_listener *listener, void *data);
@@ -340,6 +349,10 @@ static void togglefloating(const Arg *arg);
static void togglefullscreen(const Arg *arg);
static void toggletag(const Arg *arg);
static void toggleview(const Arg *arg);
+static void touchdown(struct wl_listener *listener, void *data);
+static void touchup(struct wl_listener *listener, void *data);
+static void touchframe(struct wl_listener *listener, void *data);
+static void touchmotion(struct wl_listener *listener, void *data);
static void unlocksession(struct wl_listener *listener, void *data);
static void unmaplayersurfacenotify(struct wl_listener *listener, void *data);
static void unmapnotify(struct wl_listener *listener, void *data);
@@ -407,6 +420,7 @@ static struct wlr_output_layout *output_layout;
static struct wlr_box sgeom;
static struct wl_list mons;
static Monitor *selmon;
+static struct wl_list touches;
/* global event handlers */
static struct wl_listener cursor_axis = {.notify = axisnotify};
@@ -436,6 +450,10 @@ static struct wl_listener request_set_sel = {.notify = setsel};
static struct wl_listener request_set_cursor_shape = {.notify = setcursorshape};
static struct wl_listener request_start_drag = {.notify = requeststartdrag};
static struct wl_listener start_drag = {.notify = startdrag};
+static struct wl_listener touch_down = {.notify = touchdown};
+static struct wl_listener touch_frame = {.notify = touchframe};
+static struct wl_listener touch_motion = {.notify = touchmotion};
+static struct wl_listener touch_up = {.notify = touchup};
static struct wl_listener new_session_lock = {.notify = locksession};
#ifdef XWAYLAND
@@ -783,6 +801,10 @@ cleanuplisteners(void)
wl_list_remove(&request_set_cursor_shape.link);
wl_list_remove(&request_start_drag.link);
wl_list_remove(&start_drag.link);
+ wl_list_remove(&touch_down.link);
+ wl_list_remove(&touch_frame.link);
+ wl_list_remove(&touch_motion.link);
+ wl_list_remove(&touch_up.link);
wl_list_remove(&new_session_lock.link);
#ifdef XWAYLAND
wl_list_remove(&new_xwayland_surface.link);
@@ -1201,6 +1223,16 @@ createpopup(struct wl_listener *listener, void *data)
LISTEN_STATIC(&popup->base->surface->events.commit, commitpopup);
}
+void
+createtouch(struct wlr_touch *wlr_touch)
+{
+ TouchGroup *touch = ecalloc(1, sizeof(TouchGroup));
+
+ touch->touch = wlr_touch;
+ wl_list_insert(&touches, &touch->link);
+ wlr_cursor_attach_input_device(cursor, &wlr_touch->base);
+}
+
void
cursorconstrain(struct wlr_pointer_constraint_v1 *constraint)
{
@@ -1592,6 +1624,9 @@ inputdevice(struct wl_listener *listener, void *data)
case WLR_INPUT_DEVICE_POINTER:
createpointer(wlr_pointer_from_input_device(device));
break;
+ case WLR_INPUT_DEVICE_TOUCH:
+ createtouch(wlr_touch_from_input_device(device));
+ break;
default:
/* TODO handle other input device types */
break;
@@ -1604,6 +1639,8 @@ inputdevice(struct wl_listener *listener, void *data)
caps = WL_SEAT_CAPABILITY_POINTER;
if (!wl_list_empty(&kb_group->wlr_group->devices))
caps |= WL_SEAT_CAPABILITY_KEYBOARD;
+ if (!wl_list_empty(&touches))
+ caps |= WL_SEAT_CAPABILITY_TOUCH;
wlr_seat_set_capabilities(seat, caps);
}
@@ -2618,6 +2655,13 @@ setup(void)
wl_signal_add(&cursor->events.axis, &cursor_axis);
wl_signal_add(&cursor->events.frame, &cursor_frame);
+ wl_list_init(&touches);
+
+ wl_signal_add(&cursor->events.touch_down, &touch_down);
+ wl_signal_add(&cursor->events.touch_frame, &touch_frame);
+ wl_signal_add(&cursor->events.touch_motion, &touch_motion);
+ wl_signal_add(&cursor->events.touch_up, &touch_up);
+
cursor_shape_mgr = wlr_cursor_shape_manager_v1_create(dpy, 1);
wl_signal_add(&cursor_shape_mgr->events.request_set_shape, &request_set_cursor_shape);
@@ -2790,6 +2834,120 @@ toggleview(const Arg *arg)
printstatus();
}
+void
+touchdown(struct wl_listener *listener, void *data)
+{
+ struct wlr_touch_down_event *event = data;
+ double lx, ly;
+ double sx, sy;
+ struct wlr_surface *surface;
+ Client *c = NULL;
+ uint32_t serial = 0;
+ Monitor *m;
+
+ wlr_idle_notifier_v1_notify_activity(idle_notifier, seat);
+
+ // Map the input to the appropriate output, to ensure that rotation is
+ // handled.
+ wl_list_for_each(m, &mons, link) {
+ if (m == NULL || m->wlr_output == NULL) {
+ continue;
+ }
+ if (event->touch->output_name != NULL && 0 != strcmp(event->touch->output_name, m->wlr_output->name)) {
+ continue;
+ }
+
+ wlr_cursor_map_input_to_output(cursor, &event->touch->base, m->wlr_output);
+ }
+
+ wlr_cursor_absolute_to_layout_coords(cursor, &event->touch->base, event->x, event->y, &lx, &ly);
+
+ /* Find the client under the pointer and send the event along. */
+ xytonode(lx, ly, &surface, &c, NULL, &sx, &sy);
+ if (sloppyfocus)
+ focusclient(c, 0);
+
+ if (surface != NULL) {
+ serial = wlr_seat_touch_notify_down(seat, surface, event->time_msec, event->touch_id, sx, sy);
+ }
+
+ if (serial && wlr_seat_touch_num_points(seat) == 1) {
+ /* Emulate a mouse click if the touch event wasn't handled */
+ struct wlr_pointer_button_event *button_event = data;
+ struct wlr_pointer_motion_absolute_event *motion_event = data;
+ double dx, dy;
+
+ wlr_cursor_absolute_to_layout_coords(cursor, &motion_event->pointer->base, motion_event->x, motion_event->y, &lx, &ly);
+ wlr_cursor_warp_closest(cursor, &motion_event->pointer->base, lx, ly);
+ dx = lx - cursor->x;
+ dy = ly - cursor->y;
+ motionnotify(motion_event->time_msec, &motion_event->pointer->base, dx, dy, dx, dy);
+
+ button_event->button = BTN_LEFT;
+ button_event->state = WL_POINTER_BUTTON_STATE_PRESSED;
+ buttonpress(listener, button_event);
+ }
+}
+
+void
+touchup(struct wl_listener *listener, void *data)
+{
+ struct wlr_touch_up_event *event = data;
+
+ if (!wlr_seat_touch_get_point(seat, event->touch_id)) {
+ return;
+ }
+
+ if (wlr_seat_touch_num_points(seat) == 1) {
+ struct wlr_pointer_button_event *button_event = data;
+
+ button_event->button = BTN_LEFT;
+ button_event->state = WL_POINTER_BUTTON_STATE_RELEASED;
+ buttonpress(listener, button_event);
+ }
+
+ wlr_seat_touch_notify_up(seat, event->time_msec, event->touch_id);
+ wlr_idle_notifier_v1_notify_activity(idle_notifier, seat);
+}
+
+void
+touchframe(struct wl_listener *listener, void *data)
+{
+ wlr_seat_touch_notify_frame(seat);
+ wlr_idle_notifier_v1_notify_activity(idle_notifier, seat);
+}
+
+void
+touchmotion(struct wl_listener *listener, void *data)
+{
+ struct wlr_touch_motion_event *event = data;
+ double lx, ly;
+ double sx, sy;
+ struct wlr_surface *surface;
+ Client *c = NULL;
+
+ if (!wlr_seat_touch_get_point(seat, event->touch_id)) {
+ return;
+ }
+
+ wlr_cursor_absolute_to_layout_coords(cursor, &event->touch->base, event->x, event->y, &lx, &ly);
+ xytonode(lx, ly, &surface, &c, NULL, &sx, &sy);
+
+ if (c != NULL && surface != NULL) {
+ if (sloppyfocus)
+ focusclient(c, 0);
+ wlr_seat_touch_point_focus(seat, surface, event->time_msec, event->touch_id, sx, sy);
+ } else {
+ if (sloppyfocus)
+ focusclient(NULL, 0);
+ wlr_seat_touch_point_clear_focus(seat, event->time_msec, event->touch_id);
+ }
+ wlr_seat_touch_notify_motion(seat, event->time_msec, event->touch_id, sx, sy);
+
+ wlr_idle_notifier_v1_notify_activity(idle_notifier, seat);
+}
+
+
void
unlocksession(struct wl_listener *listener, void *data)
{
--
2.52.0