opt: refactor tablet.h to support mutiple tablets and tools

tablet pads are untested
This commit is contained in:
werapi 2026-03-20 06:20:27 +01:00
parent 04bde885f1
commit ba71bc1de7
2 changed files with 258 additions and 81 deletions

View file

@ -4,89 +4,236 @@
static void createtablet(struct wlr_input_device *device); static void createtablet(struct wlr_input_device *device);
static void destroytablet(struct wl_listener *listener, void *data); static void destroytablet(struct wl_listener *listener, void *data);
static void createtabletpad(struct wlr_input_device *device);
static void destroytabletpad(struct wl_listener *listener, void *data);
static void tabletpadtabletdestroy(struct wl_listener *listener, void *data);
static void tabletpadattach(struct wl_listener *listener, void *data);
static void destroytabletsurfacenotify(struct wl_listener *listener, static void destroytabletsurfacenotify(struct wl_listener *listener,
void *data); void *data);
static void destroytablettool(struct wl_listener *listener, void *data); static void destroytablettool(struct wl_listener *listener, void *data);
static void tablettoolmotion(struct wlr_tablet_v2_tablet_tool *tool,
bool change_x, bool change_y, double x, double y,
double dx, double dy);
static void tablettoolproximity(struct wl_listener *listener, void *data); static void tablettoolproximity(struct wl_listener *listener, void *data);
static void tablettoolaxis(struct wl_listener *listener, void *data); static void tablettoolaxis(struct wl_listener *listener, void *data);
static void tablettoolbutton(struct wl_listener *listener, void *data); static void tablettoolbutton(struct wl_listener *listener, void *data);
static void tablettooltip(struct wl_listener *listener, void *data); static void tablettooltip(struct wl_listener *listener, void *data);
static struct wlr_tablet_manager_v2 *tablet_mgr; static struct wlr_tablet_manager_v2 *tablet_mgr;
static struct wlr_tablet_v2_tablet *tablet = NULL;
static struct wlr_tablet_v2_tablet_tool *tablet_tool = NULL; struct Tablet {
static struct wlr_tablet_v2_tablet_pad *tablet_pad = NULL; struct wlr_tablet_v2_tablet *tablet_v2;
static struct wlr_surface *tablet_curr_surface = NULL; struct wl_listener destroy;
static struct wl_listener destroy_tablet_surface_listener = { struct wl_list link;
.notify = destroytabletsurfacenotify}; };
static struct wl_listener tablet_device_destroy = {.notify = destroytablet}; static struct wl_list tablets;
struct TabletTool {
struct wlr_tablet_v2_tablet_tool *tool_v2;
struct Tablet *tablet;
struct wlr_surface *curr_surface;
struct wl_listener destroy;
struct wl_listener surface_destroy;
double tilt_x, tilt_y;
};
struct TabletPad {
struct wlr_tablet_v2_tablet_pad *pad_v2;
struct Tablet *tablet;
struct wl_listener tablet_destroy;
struct wl_listener attach;
struct wl_listener destroy;
struct wl_list link;
};
static struct wl_list tablet_pads;
static void attach_tablet_pad(struct TabletPad *tablet_pad,
struct Tablet *tablet);
static void tablettoolmotion(struct TabletTool *tool, bool change_x,
bool change_y, double x, double y, double dx,
double dy);
static struct wl_listener tablet_tool_axis = {.notify = tablettoolaxis}; static struct wl_listener tablet_tool_axis = {.notify = tablettoolaxis};
static struct wl_listener tablet_tool_button = {.notify = tablettoolbutton}; 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 = static struct wl_listener tablet_tool_proximity = {.notify =
tablettoolproximity}; tablettoolproximity};
static struct wl_listener tablet_tool_tip = {.notify = tablettooltip}; static struct wl_listener tablet_tool_tip = {.notify = tablettooltip};
void createtablet(struct wlr_input_device *device) { void createtablet(struct wlr_input_device *device) {
struct Tablet *tablet = calloc(1, sizeof(struct Tablet));
if (!tablet) { if (!tablet) {
struct libinput_device *device_handle = NULL; wlr_log(WLR_ERROR, "could not allocate tablet");
if (!wlr_input_device_is_libinput(device) || return;
!(device_handle = wlr_libinput_get_device_handle(device))) }
return;
tablet = wlr_tablet_create(tablet_mgr, seat, device); struct libinput_device *device_handle = NULL;
wl_signal_add(&tablet->wlr_device->events.destroy, if (!wlr_input_device_is_libinput(device) ||
&tablet_device_destroy); !(device_handle = wlr_libinput_get_device_handle(device))) {
if (libinput_device_config_send_events_get_modes(device_handle)) { free(tablet);
libinput_device_config_send_events_set_mode( return;
device_handle, config.send_events_mode); }
wlr_cursor_attach_input_device(cursor, device);
tablet->tablet_v2 = wlr_tablet_create(tablet_mgr, seat, device);
tablet->tablet_v2->wlr_tablet->data = tablet;
tablet->destroy.notify = destroytablet;
wl_signal_add(&tablet->tablet_v2->wlr_device->events.destroy,
&tablet->destroy);
if (libinput_device_config_send_events_get_modes(device_handle)) {
libinput_device_config_send_events_set_mode(device_handle,
config.send_events_mode);
wlr_cursor_attach_input_device(cursor, device);
}
wl_list_insert(&tablets, &tablet->link);
/* Search for a sibling tablet pad */
struct libinput_device_group *group = libinput_device_get_device_group(
wlr_libinput_get_device_handle(device));
struct TabletPad *tablet_pad;
wl_list_for_each(tablet_pad, &tablet_pads, link) {
struct wlr_input_device *pad_device = tablet_pad->pad_v2->wlr_device;
if (!wlr_input_device_is_libinput(pad_device)) {
continue;
}
struct libinput_device_group *pad_group =
libinput_device_get_device_group(
wlr_libinput_get_device_handle(pad_device));
if (pad_group == group) {
attach_tablet_pad(tablet_pad, tablet);
break;
} }
} else if (device == tablet->wlr_device) {
wlr_log(WLR_ERROR, "createtablet: duplicate device");
} else {
wlr_log(WLR_ERROR, "createtablet: already have one tablet");
} }
} }
void destroytablet(struct wl_listener *listener, void *data) { void destroytablet(struct wl_listener *listener, void *data) {
struct Tablet *tablet = wl_container_of(listener, tablet, destroy);
wl_list_remove(&listener->link); wl_list_remove(&listener->link);
tablet = NULL; wl_list_remove(&tablet->link);
free(tablet);
}
void tabletpadtabletdestroy(struct wl_listener *listener, void *data) {
struct TabletPad *tablet_pad =
wl_container_of(listener, tablet_pad, tablet_destroy);
tablet_pad->tablet = NULL;
wl_list_remove(&tablet_pad->tablet_destroy.link);
wl_list_init(&tablet_pad->tablet_destroy.link);
}
void attach_tablet_pad(struct TabletPad *tablet_pad, struct Tablet *tablet) {
tablet_pad->tablet = tablet;
wl_list_remove(&tablet_pad->tablet_destroy.link);
tablet_pad->tablet_destroy.notify = tabletpadtabletdestroy;
wl_signal_add(&tablet->tablet_v2->wlr_device->events.destroy,
&tablet_pad->tablet_destroy);
}
void tabletpadattach(struct wl_listener *listener, void *data) {
struct TabletPad *tablet_pad =
wl_container_of(listener, tablet_pad, attach);
struct wlr_tablet_tool *wlr_tool = data;
struct TabletTool *tool = wlr_tool->data;
if (!tool) {
return;
}
attach_tablet_pad(tablet_pad, tool->tablet);
}
void createtabletpad(struct wlr_input_device *device) {
struct TabletPad *tablet_pad = calloc(1, sizeof(struct TabletPad));
if (!tablet_pad) {
wlr_log(WLR_ERROR, "could not allocate tablet_pad");
return;
}
tablet_pad->pad_v2 = wlr_tablet_pad_create(tablet_mgr, seat, device);
tablet_pad->destroy.notify = destroytabletpad;
tablet_pad->attach.notify = tabletpadattach;
wl_list_init(&tablet_pad->tablet_destroy.link);
wl_signal_add(&tablet_pad->pad_v2->wlr_device->events.destroy,
&tablet_pad->destroy);
wl_signal_add(&tablet_pad->pad_v2->wlr_pad->events.attach_tablet,
&tablet_pad->attach);
wl_list_insert(&tablet_pads, &tablet_pad->link);
/* Search for a sibling tablet */
if (!wlr_input_device_is_libinput(tablet_pad->pad_v2->wlr_device)) {
/* We can only do this on libinput devices */
return;
}
struct libinput_device_group *group = libinput_device_get_device_group(
wlr_libinput_get_device_handle(tablet_pad->pad_v2->wlr_device));
struct Tablet *tablet;
wl_list_for_each(tablet, &tablets, link) {
struct wlr_input_device *tablet_device = tablet->tablet_v2->wlr_device;
if (!wlr_input_device_is_libinput(tablet_device)) {
continue;
}
struct libinput_device_group *tablet_group =
libinput_device_get_device_group(
wlr_libinput_get_device_handle(tablet_device));
if (tablet_group == group) {
attach_tablet_pad(tablet_pad, tablet);
break;
}
}
}
void destroytabletpad(struct wl_listener *listener, void *data) {
struct TabletPad *tablet_pad =
wl_container_of(listener, tablet_pad, destroy);
wl_list_remove(&listener->link);
wl_list_remove(&tablet_pad->link);
wl_list_remove(&tablet_pad->tablet_destroy.link);
wl_list_remove(&tablet_pad->attach.link);
free(tablet_pad);
} }
void destroytabletsurfacenotify(struct wl_listener *listener, void *data) { void destroytabletsurfacenotify(struct wl_listener *listener, void *data) {
if (tablet_curr_surface) struct TabletTool *tool = wl_container_of(listener, tool, surface_destroy);
wl_list_remove(&destroy_tablet_surface_listener.link); wl_list_remove(&tool->surface_destroy.link);
tablet_curr_surface = NULL; tool->curr_surface = NULL;
} }
void destroytablettool(struct wl_listener *listener, void *data) { void destroytablettool(struct wl_listener *listener, void *data) {
destroytabletsurfacenotify(NULL, NULL); struct TabletTool *tool = wl_container_of(listener, tool, destroy);
tablet_tool = NULL;
if (tool->curr_surface)
wl_list_remove(&tool->surface_destroy.link);
wl_list_remove(&listener->link);
free(tool);
} }
void tablettoolmotion(struct wlr_tablet_v2_tablet_tool *tool, bool change_x, void tablettoolmotion(struct TabletTool *tool, bool change_x, bool change_y,
bool change_y, double x, double y, double dx, double dy) { double x, double y, double dx, double dy) {
struct wlr_surface *surface = NULL; struct wlr_surface *surface = NULL;
Client *c = NULL, *w = NULL; Client *c = NULL, *w = NULL;
LayerSurface *l = NULL; LayerSurface *l = NULL;
struct Tablet *tablet = tool->tablet;
struct TabletPad *tablet_pad;
double sx, sy; double sx, sy;
if (!change_x && !change_y) if (!change_x && !change_y)
return; return;
// TODO: apply constraints // TODO: apply constraints
switch (tablet_tool->wlr_tool->type) { switch (tool->tool_v2->wlr_tool->type) {
case WLR_TABLET_TOOL_TYPE_LENS: case WLR_TABLET_TOOL_TYPE_LENS:
case WLR_TABLET_TOOL_TYPE_MOUSE: case WLR_TABLET_TOOL_TYPE_MOUSE:
wlr_cursor_move(cursor, tablet->wlr_device, dx, dy); wlr_cursor_move(cursor, tablet->tablet_v2->wlr_device, dx, dy);
break; break;
default: default:
wlr_cursor_warp_absolute(cursor, tablet->wlr_device, change_x ? x : NAN, wlr_cursor_warp_absolute(cursor, tablet->tablet_v2->wlr_device,
change_y ? y : NAN); change_x ? x : NAN, change_y ? y : NAN);
break; break;
} }
@ -109,34 +256,35 @@ void tablettoolmotion(struct wlr_tablet_v2_tablet_tool *tool, bool change_x,
!client_is_unmanaged(c)) !client_is_unmanaged(c))
focusclient(c, 0); focusclient(c, 0);
if (surface && !wlr_surface_accepts_tablet_v2(surface, tablet)) if (surface && !wlr_surface_accepts_tablet_v2(surface, tablet->tablet_v2))
surface = NULL; surface = NULL;
if (surface != tablet_curr_surface) { if (surface != tool->curr_surface) {
if (tablet_curr_surface) { if (tool->curr_surface) {
// TODO: wait until all buttons released before leaving // TODO: wait until all buttons released before leaving
if (tablet_tool) wlr_tablet_v2_tablet_tool_notify_proximity_out(tool->tool_v2);
wlr_tablet_v2_tablet_tool_notify_proximity_out(tablet_tool); wl_list_for_each(tablet_pad, &tablet_pads, link) {
if (tablet_pad) if (tablet_pad->tablet && tablet_pad->tablet == tablet)
wlr_tablet_v2_tablet_pad_notify_leave(tablet_pad, wlr_tablet_v2_tablet_pad_notify_leave(tablet_pad->pad_v2,
tablet_curr_surface); tool->curr_surface);
wl_list_remove(&destroy_tablet_surface_listener.link); }
wl_list_remove(&tool->surface_destroy.link);
} }
if (surface) { if (surface) {
if (tablet_pad) wl_list_for_each(tablet_pad, &tablet_pads, link) {
wlr_tablet_v2_tablet_pad_notify_enter(tablet_pad, tablet, if (tablet_pad->tablet && tablet_pad->tablet == tablet)
surface); wlr_tablet_v2_tablet_pad_notify_enter(
if (tablet_tool) tablet_pad->pad_v2, tablet->tablet_v2, surface);
wlr_tablet_v2_tablet_tool_notify_proximity_in(tablet_tool, }
tablet, surface); wlr_tablet_v2_tablet_tool_notify_proximity_in(
wl_signal_add(&surface->events.destroy, tool->tool_v2, tablet->tablet_v2, surface);
&destroy_tablet_surface_listener); wl_signal_add(&surface->events.destroy, &tool->surface_destroy);
} }
tablet_curr_surface = surface; tool->curr_surface = surface;
} }
if (surface) if (surface)
wlr_tablet_v2_tablet_tool_notify_motion(tablet_tool, sx, sy); wlr_tablet_v2_tablet_tool_notify_motion(tool->tool_v2, sx, sy);
wlr_idle_notifier_v1_notify_activity(idle_notifier, seat); wlr_idle_notifier_v1_notify_activity(idle_notifier, seat);
handlecursoractivity(); handlecursoractivity();
@ -144,60 +292,87 @@ void tablettoolmotion(struct wlr_tablet_v2_tablet_tool *tool, bool change_x,
void tablettoolproximity(struct wl_listener *listener, void *data) { void tablettoolproximity(struct wl_listener *listener, void *data) {
struct wlr_tablet_tool_proximity_event *event = data; struct wlr_tablet_tool_proximity_event *event = data;
struct wlr_tablet_tool *tool = event->tool; struct wlr_tablet_tool *wlr_tool = event->tool;
struct TabletTool *tool = wlr_tool->data;
if (!tablet_tool) { if (!tool) {
tablet_tool = wlr_tablet_tool_create(tablet_mgr, seat, tool); tool = calloc(1, sizeof(struct TabletTool));
wl_signal_add(&tablet_tool->wlr_tool->events.destroy, if (!tool) {
&tablet_tool_destroy); wlr_log(WLR_ERROR, "could not allocate tablet_tool");
wl_signal_add(&tablet_tool->events.set_cursor, &request_cursor); return;
}
tool->tool_v2 = wlr_tablet_tool_create(tablet_mgr, seat, wlr_tool);
tool->surface_destroy.notify = destroytabletsurfacenotify;
tool->destroy.notify = destroytablettool;
tool->tablet = event->tablet->data;
wlr_tool->data = tool;
wl_signal_add(&tool->tool_v2->wlr_tool->events.destroy, &tool->destroy);
wl_signal_add(&tool->tool_v2->events.set_cursor, &request_cursor);
} }
switch (event->state) { switch (event->state) {
case WLR_TABLET_TOOL_PROXIMITY_OUT: case WLR_TABLET_TOOL_PROXIMITY_OUT:
wlr_tablet_v2_tablet_tool_notify_proximity_out(tablet_tool); wlr_tablet_v2_tablet_tool_notify_proximity_out(tool->tool_v2);
destroytabletsurfacenotify(NULL, NULL); if (tool->curr_surface)
wl_list_remove(&tool->surface_destroy.link);
tool->curr_surface = NULL;
break; break;
case WLR_TABLET_TOOL_PROXIMITY_IN: case WLR_TABLET_TOOL_PROXIMITY_IN:
tablettoolmotion(tablet_tool, true, true, event->x, event->y, 0, 0); tablettoolmotion(tool, true, true, event->x, event->y, 0, 0);
break; break;
} }
} }
void tablettoolaxis(struct wl_listener *listener, void *data) { void tablettoolaxis(struct wl_listener *listener, void *data) {
struct wlr_tablet_tool_axis_event *event = data; struct wlr_tablet_tool_axis_event *event = data;
struct TabletTool *tool = event->tool->data;
if (!tool)
return;
tablettoolmotion(tablet_tool, event->updated_axes & WLR_TABLET_TOOL_AXIS_X, tablettoolmotion(tool, event->updated_axes & WLR_TABLET_TOOL_AXIS_X,
event->updated_axes & WLR_TABLET_TOOL_AXIS_Y, event->x, event->updated_axes & WLR_TABLET_TOOL_AXIS_Y, event->x,
event->y, event->dx, event->dy); event->y, event->dx, event->dy);
if (event->updated_axes & WLR_TABLET_TOOL_AXIS_PRESSURE) if (event->updated_axes & WLR_TABLET_TOOL_AXIS_PRESSURE)
wlr_tablet_v2_tablet_tool_notify_pressure(tablet_tool, event->pressure); wlr_tablet_v2_tablet_tool_notify_pressure(tool->tool_v2,
event->pressure);
if (event->updated_axes & WLR_TABLET_TOOL_AXIS_DISTANCE) if (event->updated_axes & WLR_TABLET_TOOL_AXIS_DISTANCE)
wlr_tablet_v2_tablet_tool_notify_distance(tablet_tool, event->distance); wlr_tablet_v2_tablet_tool_notify_distance(tool->tool_v2,
event->distance);
if (event->updated_axes & WLR_TABLET_TOOL_AXIS_TILT_X)
tool->tilt_x = event->tilt_x;
if (event->updated_axes & WLR_TABLET_TOOL_AXIS_TILT_Y)
tool->tilt_y = event->tilt_y;
if (event->updated_axes & if (event->updated_axes &
(WLR_TABLET_TOOL_AXIS_TILT_X | WLR_TABLET_TOOL_AXIS_TILT_Y)) { (WLR_TABLET_TOOL_AXIS_TILT_X | WLR_TABLET_TOOL_AXIS_TILT_Y)) {
wlr_tablet_v2_tablet_tool_notify_tilt(tablet_tool, event->tilt_x, wlr_tablet_v2_tablet_tool_notify_tilt(tool->tool_v2, tool->tilt_x,
event->tilt_y); tool->tilt_y);
} }
if (event->updated_axes & WLR_TABLET_TOOL_AXIS_ROTATION) if (event->updated_axes & WLR_TABLET_TOOL_AXIS_ROTATION)
wlr_tablet_v2_tablet_tool_notify_rotation(tablet_tool, event->rotation); wlr_tablet_v2_tablet_tool_notify_rotation(tool->tool_v2,
event->rotation);
if (event->updated_axes & WLR_TABLET_TOOL_AXIS_SLIDER) if (event->updated_axes & WLR_TABLET_TOOL_AXIS_SLIDER)
wlr_tablet_v2_tablet_tool_notify_slider(tablet_tool, event->slider); wlr_tablet_v2_tablet_tool_notify_slider(tool->tool_v2, event->slider);
if (event->updated_axes & WLR_TABLET_TOOL_AXIS_WHEEL) if (event->updated_axes & WLR_TABLET_TOOL_AXIS_WHEEL)
wlr_tablet_v2_tablet_tool_notify_wheel(tablet_tool, event->wheel_delta, wlr_tablet_v2_tablet_tool_notify_wheel(tool->tool_v2,
0); event->wheel_delta, 0);
} }
void tablettoolbutton(struct wl_listener *listener, void *data) { void tablettoolbutton(struct wl_listener *listener, void *data) {
struct wlr_tablet_tool_button_event *event = data; struct wlr_tablet_tool_button_event *event = data;
struct TabletTool *tool = event->tool->data;
if (!tool)
return;
wlr_tablet_v2_tablet_tool_notify_button( wlr_tablet_v2_tablet_tool_notify_button(
tablet_tool, event->button, tool->tool_v2, event->button,
(enum zwp_tablet_pad_v2_button_state)event->state); (enum zwp_tablet_pad_v2_button_state)event->state);
} }
void tablettooltip(struct wl_listener *listener, void *data) { void tablettooltip(struct wl_listener *listener, void *data) {
struct wlr_tablet_tool_tip_event *event = data; struct wlr_tablet_tool_tip_event *event = data;
struct TabletTool *tool = event->tool->data;
if (!tool)
return;
struct wlr_pointer_button_event fakeptrbtnevent = { struct wlr_pointer_button_event fakeptrbtnevent = {
.button = BTN_LEFT, .button = BTN_LEFT,
@ -210,7 +385,7 @@ void tablettooltip(struct wl_listener *listener, void *data) {
if (handle_buttonpress(&fakeptrbtnevent)) if (handle_buttonpress(&fakeptrbtnevent))
return; return;
if (!tablet_curr_surface) { if (!tool->curr_surface) {
wlr_seat_pointer_notify_button(seat, fakeptrbtnevent.time_msec, wlr_seat_pointer_notify_button(seat, fakeptrbtnevent.time_msec,
fakeptrbtnevent.button, fakeptrbtnevent.button,
fakeptrbtnevent.state); fakeptrbtnevent.state);
@ -218,10 +393,10 @@ void tablettooltip(struct wl_listener *listener, void *data) {
} }
if (event->state == WLR_TABLET_TOOL_TIP_UP) { if (event->state == WLR_TABLET_TOOL_TIP_UP) {
wlr_tablet_v2_tablet_tool_notify_up(tablet_tool); wlr_tablet_v2_tablet_tool_notify_up(tool->tool_v2);
return; return;
} }
wlr_tablet_v2_tablet_tool_notify_down(tablet_tool); wlr_tablet_v2_tablet_tool_notify_down(tool->tool_v2);
wlr_tablet_tool_v2_start_implicit_grab(tablet_tool); wlr_tablet_tool_v2_start_implicit_grab(tool->tool_v2);
} }

View file

@ -3660,7 +3660,7 @@ void inputdevice(struct wl_listener *listener, void *data) {
createtablet(device); createtablet(device);
break; break;
case WLR_INPUT_DEVICE_TABLET_PAD: case WLR_INPUT_DEVICE_TABLET_PAD:
tablet_pad = wlr_tablet_pad_create(tablet_mgr, seat, device); createtabletpad(device);
break; break;
case WLR_INPUT_DEVICE_POINTER: case WLR_INPUT_DEVICE_POINTER:
createpointer(wlr_pointer_from_input_device(device)); createpointer(wlr_pointer_from_input_device(device));
@ -5716,6 +5716,8 @@ void setup(void) {
* to let us know when new input devices are available on the backend. * to let us know when new input devices are available on the backend.
*/ */
wl_list_init(&inputdevices); wl_list_init(&inputdevices);
wl_list_init(&tablets);
wl_list_init(&tablet_pads);
wl_list_init(&keyboard_shortcut_inhibitors); wl_list_init(&keyboard_shortcut_inhibitors);
wl_signal_add(&backend->events.new_input, &new_input_device); wl_signal_add(&backend->events.new_input, &new_input_device);
virtual_keyboard_mgr = wlr_virtual_keyboard_manager_v1_create(dpy); virtual_keyboard_mgr = wlr_virtual_keyboard_manager_v1_create(dpy);