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

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A Frederick Christensen 2026-02-26 22:05:54 -06:00
parent 1b063e68bb
commit f4039c0252
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3 changed files with 67 additions and 56 deletions
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15
patches/tablet-input/README.md
View File

@ -3,21 +3,10 @@ implements wlr-tablet-v2 for drawing tablets and supports cursor emulation
inspired by @guyuming76's [branch](https://codeberg.org/guyuming76/dwl/commits/branch/graphic_tablet), with coding help from @Palanix and testing by @Thanatos
**Please note:** wlroots modified the order of arguments to the function `wlr_surface_accepts_tablet_v2`
In versions less than or equal to 0.18.1 (against which, dwl 0.7 is typically built), the order is `tablet, surface`.
In the master branch and (anticipated) in versions later than 0.18.1, the order is `surface, tablet`.
The git branch for this patch uses the `surface, tablet` order.
If you are attempting to use this codebase to make your own modifications to the patch, there is only one call to the `wlr_surface_accepts_tablet_v2` function, but you will need to make the argument order change if you expect to build against wlroots 0.18.1 or earlier.
The `0.7` patch linked here accounts for the change and uses the `tablet, surface` order, but the patch is orphaned from a codebase.
There was discussion of this matter in [Issue #141](https://codeberg.org/dwl/dwl-patches/issues/141).
### Download
- [git branch](https://codeberg.org/fauxmight/dwl/src/branch/tablet-input)
- [main 2025-05-18](https://codeberg.org/dwl/dwl-patches/raw/branch/main/patches/tablet-input/tablet-input.patch)
- [0.7](https://codeberg.org/dwl/dwl-patches/raw/branch/main/patches/tablet-input/tablet-input-0.7.patch)
- [tablet-input-wlroots-next-f4249db.patch](https://codeberg.org/dwl/dwl-patches/raw/branch/main/patches/tablet-input/tablet-input-wlroots-next-f4249db.patch)
- [tablet-input-0.8.patch](https://codeberg.org/dwl/dwl-patches/raw/branch/main/patches/tablet-input/tablet-input-0.8.patch)
### Authors
- [fauxmight](https://codeberg.org/fauxmight)

20
patches/tablet-input/tablet-input.patch → patches/tablet-input/tablet-input-0.8.patch
View File

@ -1,7 +1,7 @@
From f639289974285207be396eac085cce6a316294c0 Mon Sep 17 00:00:00 2001
From: Fernando Otto <fernandootto369@gmail.com>
Date: Tue, 14 Oct 2025 12:20:37 -0300
Subject: [PATCH] Fixing disconnect with the graphics tablet
From 1069919d0252e554faddccc1f9da154e171ccdda Mon Sep 17 00:00:00 2001
From: A Frederick Christensen <dwl@ivories.org>
Date: Thu, 26 Feb 2026 21:56:13 -0600
Subject: [PATCH] Apply tablet-input patch
---
Makefile | 6 +-
@ -34,7 +34,7 @@ index 578194f..e0d1835 100644
config.h:
cp config.def.h $@
diff --git a/config.def.h b/config.def.h
index 95c2afa..1f06356 100644
index 8a6eda0..1f20dfd 100644
--- a/config.def.h
+++ b/config.def.h
@@ -4,6 +4,7 @@
@ -46,7 +46,7 @@ index 95c2afa..1f06356 100644
static const int bypass_surface_visibility = 0; /* 1 means idle inhibitors will disable idle tracking even if it's surface isn't visible */
static const unsigned int borderpx = 1; /* border pixel of windows */
diff --git a/dwl.c b/dwl.c
index 12f441e..43566fe 100644
index 44f3ad9..4ef2cc8 100644
--- a/dwl.c
+++ b/dwl.c
@@ -51,6 +51,9 @@
@ -188,7 +188,7 @@ index 12f441e..43566fe 100644
default:
/* TODO handle other input device types */
break;
@@ -2584,6 +2660,8 @@ setup(void)
@@ -2585,6 +2661,8 @@ setup(void)
relative_pointer_mgr = wlr_relative_pointer_manager_v1_create(dpy);
@ -197,7 +197,7 @@ index 12f441e..43566fe 100644
/*
* Creates a cursor, which is a wlroots utility for tracking the cursor
* image shown on screen.
@@ -2613,6 +2691,11 @@ setup(void)
@@ -2614,6 +2692,11 @@ setup(void)
wl_signal_add(&cursor->events.button, &cursor_button);
wl_signal_add(&cursor->events.axis, &cursor_axis);
wl_signal_add(&cursor->events.frame, &cursor_frame);
@ -209,7 +209,7 @@ index 12f441e..43566fe 100644
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);
@@ -2708,6 +2791,163 @@ tagmon(const Arg *arg)
@@ -2709,6 +2792,163 @@ tagmon(const Arg *arg)
setmon(sel, dirtomon(arg->i), 0);
}
@ -374,5 +374,5 @@ index 12f441e..43566fe 100644
tile(Monitor *m)
{
--
2.51.0
2.52.0

88
patches/tablet-input/tablet-input-0.7.patch → patches/tablet-input/tablet-input-wlroots-next-f4249db.patch
View File

@ -1,16 +1,16 @@
From 6063acfd61538c621a3124f3da38f9b47a56c292 Mon Sep 17 00:00:00 2001
From 55f35863fa9c5a379c9315192c6bc072c3b2ebb6 Mon Sep 17 00:00:00 2001
From: A Frederick Christensen <dwl@ivories.org>
Date: Fri, 19 Dec 2025 13:34:20 -0600
Subject: [PATCH] Correct the tablet-input patch for dwl 0.7
Date: Thu, 26 Feb 2026 21:58:37 -0600
Subject: [PATCH] Apply tablet-input patch
---
Makefile | 6 +-
config.def.h | 1 +
dwl.c | 225 +++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 231 insertions(+), 1 deletion(-)
dwl.c | 240 +++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 246 insertions(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index ff53040..66c06b2 100644
index 578194f..e0d1835 100644
--- a/Makefile
+++ b/Makefile
@@ -21,7 +21,8 @@ dwl: dwl.o util.o
@ -34,7 +34,7 @@ index ff53040..66c06b2 100644
config.h:
cp config.def.h $@
diff --git a/config.def.h b/config.def.h
index 22d2171..3ad98ef 100644
index 8a6eda0..1f20dfd 100644
--- a/config.def.h
+++ b/config.def.h
@@ -4,6 +4,7 @@
@ -46,10 +46,10 @@ index 22d2171..3ad98ef 100644
static const int bypass_surface_visibility = 0; /* 1 means idle inhibitors will disable idle tracking even if it's surface isn't visible */
static const unsigned int borderpx = 1; /* border pixel of windows */
diff --git a/dwl.c b/dwl.c
index c717c1d..ed7e056 100644
index 8a9715d..e7d796b 100644
--- a/dwl.c
+++ b/dwl.c
@@ -50,6 +50,9 @@
@@ -52,6 +52,9 @@
#include <wlr/types/wlr_session_lock_v1.h>
#include <wlr/types/wlr_single_pixel_buffer_v1.h>
#include <wlr/types/wlr_subcompositor.h>
@ -67,9 +67,9 @@ index c717c1d..ed7e056 100644
static void cursorconstrain(struct wlr_pointer_constraint_v1 *constraint);
static void cursorframe(struct wl_listener *listener, void *data);
static void cursorwarptohint(void);
@@ -284,6 +288,9 @@ static void destroypointerconstraint(struct wl_listener *listener, void *data);
@@ -283,6 +287,9 @@ static void destroynotify(struct wl_listener *listener, void *data);
static void destroypointerconstraint(struct wl_listener *listener, void *data);
static void destroysessionlock(struct wl_listener *listener, void *data);
static void destroysessionmgr(struct wl_listener *listener, void *data);
static void destroykeyboardgroup(struct wl_listener *listener, void *data);
+static void destroytablet(struct wl_listener *listener, void *data);
+static void destroytabletsurfacenotify(struct wl_listener *listener, void *data);
@ -77,7 +77,7 @@ index c717c1d..ed7e056 100644
static Monitor *dirtomon(enum wlr_direction dir);
static void focusclient(Client *c, int lift);
static void focusmon(const Arg *arg);
@@ -337,6 +344,11 @@ static void spawn(const Arg *arg);
@@ -335,6 +342,11 @@ static void spawn(const Arg *arg);
static void startdrag(struct wl_listener *listener, void *data);
static void tag(const Arg *arg);
static void tagmon(const Arg *arg);
@ -89,7 +89,7 @@ index c717c1d..ed7e056 100644
static void tile(Monitor *m);
static void togglefloating(const Arg *arg);
static void togglefullscreen(const Arg *arg);
@@ -396,6 +408,13 @@ static struct wlr_pointer_constraint_v1 *active_constraint;
@@ -392,6 +404,13 @@ static struct wlr_pointer_constraint_v1 *active_constraint;
static struct wlr_cursor *cursor;
static struct wlr_xcursor_manager *cursor_mgr;
@ -103,7 +103,20 @@ index c717c1d..ed7e056 100644
static struct wlr_scene_rect *root_bg;
static struct wlr_session_lock_manager_v1 *session_lock_mgr;
static struct wlr_scene_rect *locked_bg;
@@ -1137,6 +1156,28 @@ createpopup(struct wl_listener *listener, void *data)
@@ -414,6 +433,12 @@ static struct wl_listener cursor_button = {.notify = buttonpress};
static struct wl_listener cursor_frame = {.notify = cursorframe};
static struct wl_listener cursor_motion = {.notify = motionrelative};
static struct wl_listener cursor_motion_absolute = {.notify = motionabsolute};
+static struct wl_listener tablet_device_destroy = {.notify = destroytablet};
+static struct wl_listener tablet_tool_axis = {.notify = tablettoolaxis};
+static struct wl_listener tablet_tool_button = {.notify = tablettoolbutton};
+static struct wl_listener tablet_tool_destroy = {.notify = destroytablettool};
+static struct wl_listener tablet_tool_proximity = {.notify = tablettoolproximity};
+static struct wl_listener tablet_tool_tip = {.notify = tablettooltip};
static struct wl_listener gpu_reset = {.notify = gpureset};
static struct wl_listener layout_change = {.notify = updatemons};
static struct wl_listener new_idle_inhibitor = {.notify = createidleinhibitor};
@@ -1201,6 +1226,28 @@ createpopup(struct wl_listener *listener, void *data)
LISTEN_STATIC(&popup->base->surface->events.commit, commitpopup);
}
@ -117,7 +130,7 @@ index c717c1d..ed7e056 100644
+ return;
+
+ tablet = wlr_tablet_create(tablet_mgr, seat, device);
+ LISTEN_STATIC(&tablet->wlr_device->events.destroy, destroytablet);
+ wl_signal_add(&tablet->wlr_device->events.destroy, &tablet_device_destroy);
+ if (libinput_device_config_send_events_get_modes(device_handle)) {
+ libinput_device_config_send_events_set_mode(device_handle, send_events_mode);
+ wlr_cursor_attach_input_device(cursor, device);
@ -132,13 +145,14 @@ index c717c1d..ed7e056 100644
void
cursorconstrain(struct wlr_pointer_constraint_v1 *constraint)
{
@@ -1323,6 +1364,28 @@ destroykeyboardgroup(struct wl_listener *listener, void *data)
@@ -1385,6 +1432,29 @@ destroykeyboardgroup(struct wl_listener *listener, void *data)
free(group);
}
+void
+destroytablet(struct wl_listener *listener, void *data)
+{
+ wl_list_remove(&tablet_device_destroy.link);
+ wlr_cursor_detach_input_device(cursor, tablet->wlr_device);
+ tablet = NULL;
+}
@ -161,7 +175,7 @@ index c717c1d..ed7e056 100644
Monitor *
dirtomon(enum wlr_direction dir)
{
@@ -1542,6 +1605,12 @@ inputdevice(struct wl_listener *listener, void *data)
@@ -1592,6 +1662,12 @@ inputdevice(struct wl_listener *listener, void *data)
case WLR_INPUT_DEVICE_POINTER:
createpointer(wlr_pointer_from_input_device(device));
break;
@ -174,7 +188,7 @@ index c717c1d..ed7e056 100644
default:
/* TODO handle other input device types */
break;
@@ -2569,6 +2638,8 @@ setup(void)
@@ -2588,6 +2664,8 @@ setup(void)
relative_pointer_mgr = wlr_relative_pointer_manager_v1_create(dpy);
@ -183,18 +197,19 @@ index c717c1d..ed7e056 100644
/*
* Creates a cursor, which is a wlroots utility for tracking the cursor
* image shown on screen.
@@ -2598,6 +2669,10 @@ setup(void)
LISTEN_STATIC(&cursor->events.button, buttonpress);
LISTEN_STATIC(&cursor->events.axis, axisnotify);
LISTEN_STATIC(&cursor->events.frame, cursorframe);
+ LISTEN_STATIC(&cursor->events.tablet_tool_proximity, tablettoolproximity);
+ LISTEN_STATIC(&cursor->events.tablet_tool_axis, tablettoolaxis);
+ LISTEN_STATIC(&cursor->events.tablet_tool_button, tablettoolbutton);
+ LISTEN_STATIC(&cursor->events.tablet_tool_tip, tablettooltip);
@@ -2617,6 +2695,11 @@ setup(void)
wl_signal_add(&cursor->events.button, &cursor_button);
wl_signal_add(&cursor->events.axis, &cursor_axis);
wl_signal_add(&cursor->events.frame, &cursor_frame);
+ wl_signal_add(&cursor->events.tablet_tool_proximity, &tablet_tool_proximity);
+ wl_signal_add(&cursor->events.tablet_tool_axis, &tablet_tool_axis);
+ wl_signal_add(&cursor->events.tablet_tool_button, &tablet_tool_button);
+ wl_signal_add(&cursor->events.tablet_tool_tip, &tablet_tool_tip);
+
cursor_shape_mgr = wlr_cursor_shape_manager_v1_create(dpy, 1);
LISTEN_STATIC(&cursor_shape_mgr->events.request_set_shape, setcursorshape);
@@ -2691,6 +2766,156 @@ tagmon(const Arg *arg)
wl_signal_add(&cursor_shape_mgr->events.request_set_shape, &request_set_cursor_shape);
@@ -2712,6 +2795,163 @@ tagmon(const Arg *arg)
setmon(sel, dirtomon(arg->i), 0);
}
@ -243,7 +258,7 @@ index c717c1d..ed7e056 100644
+ motionnotify(0, NULL, 0, 0, 0, 0);
+
+ xytonode(cursor->x, cursor->y, &surface, NULL, NULL, &sx, &sy);
+ if (surface && !wlr_surface_accepts_tablet_v2(tablet, surface))
+ if (surface && !wlr_surface_accepts_tablet_v2(surface, tablet))
+ surface = NULL;
+
+ if (surface != tablet_curr_surface) {
@ -277,8 +292,8 @@ index c717c1d..ed7e056 100644
+
+ if (!tablet_tool) {
+ tablet_tool = wlr_tablet_tool_create(tablet_mgr, seat, tool);
+ LISTEN_STATIC(&tablet_tool->wlr_tool->events.destroy, destroytablettool);
+ LISTEN_STATIC(&tablet_tool->events.set_cursor, setcursor);
+ wl_signal_add(&tablet_tool->wlr_tool->events.destroy, &tablet_tool_destroy);
+ wl_signal_add(&tablet_tool->events.set_cursor, &request_cursor);
+ }
+
+ switch (event->state) {
@ -292,6 +307,9 @@ index c717c1d..ed7e056 100644
+ }
+}
+
+double tilt_x = 0;
+double tilt_y = 0;
+
+void
+tablettoolaxis(struct wl_listener *listener, void *data)
+{
@ -306,8 +324,12 @@ index c717c1d..ed7e056 100644
+ wlr_tablet_v2_tablet_tool_notify_pressure(tablet_tool, event->pressure);
+ if (event->updated_axes & WLR_TABLET_TOOL_AXIS_DISTANCE)
+ wlr_tablet_v2_tablet_tool_notify_distance(tablet_tool, event->distance);
+ if (event->updated_axes & WLR_TABLET_TOOL_AXIS_TILT_X)
+ tilt_x = event->tilt_x;
+ if (event->updated_axes & WLR_TABLET_TOOL_AXIS_TILT_Y)
+ tilt_y = event->tilt_y;
+ if (event->updated_axes & (WLR_TABLET_TOOL_AXIS_TILT_X | WLR_TABLET_TOOL_AXIS_TILT_Y))
+ wlr_tablet_v2_tablet_tool_notify_tilt(tablet_tool, event->tilt_x, event->tilt_y);
+ wlr_tablet_v2_tablet_tool_notify_tilt(tablet_tool, tilt_x, tilt_y);
+ if (event->updated_axes & WLR_TABLET_TOOL_AXIS_ROTATION)
+ wlr_tablet_v2_tablet_tool_notify_rotation(tablet_tool, event->rotation);
+ if (event->updated_axes & WLR_TABLET_TOOL_AXIS_SLIDER)
@ -352,5 +374,5 @@ index c717c1d..ed7e056 100644
tile(Monitor *m)
{
--
2.51.2
2.52.0