backend/libinput: rework tablet_pad interface

The wlr_libinput_input_device now owns its wlr_tablet_pad, instead of creating
a new wlr_libinput_input_device for it.
This commit is contained in:
Simon Zeni 2022-02-24 15:30:26 -05:00 committed by Kirill Primak
parent c8456086a1
commit 0d21496e53
4 changed files with 94 additions and 102 deletions

View file

@ -255,11 +255,10 @@ struct libinput_device *wlr_libinput_get_device_handle(
case WLR_INPUT_DEVICE_TABLET_TOOL: case WLR_INPUT_DEVICE_TABLET_TOOL:
dev = device_from_tablet(wlr_dev->tablet); dev = device_from_tablet(wlr_dev->tablet);
break; break;
default: case WLR_INPUT_DEVICE_TABLET_PAD:
dev = (struct wlr_libinput_input_device *)wlr_dev; dev = device_from_tablet_pad(wlr_dev->tablet_pad);
break; break;
} }
return dev->handle; return dev->handle;
} }

View file

@ -52,6 +52,9 @@ void destroy_libinput_input_device(struct wlr_libinput_input_device *dev)
if (dev->tablet.impl) { if (dev->tablet.impl) {
wlr_tablet_destroy(&dev->tablet); wlr_tablet_destroy(&dev->tablet);
} }
if (dev->tablet_pad.impl) {
wlr_tablet_pad_destroy(&dev->tablet_pad);
}
} }
libinput_device_unref(dev->handle); libinput_device_unref(dev->handle);
@ -59,32 +62,6 @@ void destroy_libinput_input_device(struct wlr_libinput_input_device *dev)
free(dev); free(dev);
} }
static struct wlr_input_device *allocate_device(
struct wlr_libinput_backend *backend,
struct libinput_device *libinput_dev, struct wl_list *wlr_devices,
enum wlr_input_device_type type) {
const char *name = libinput_device_get_name(libinput_dev);
struct wlr_libinput_input_device *dev =
calloc(1, sizeof(struct wlr_libinput_input_device));
if (dev == NULL) {
return NULL;
}
struct wlr_input_device *wlr_dev = &dev->wlr_input_device;
libinput_device_get_size(libinput_dev,
&wlr_dev->width_mm, &wlr_dev->height_mm);
const char *output_name = libinput_device_get_output_name(libinput_dev);
if (output_name != NULL) {
wlr_dev->output_name = strdup(output_name);
}
wl_list_insert(wlr_devices, &dev->link);
dev->handle = libinput_dev;
libinput_device_ref(libinput_dev);
wlr_input_device_init(wlr_dev, type, name);
wlr_dev->vendor = libinput_device_get_id_vendor(libinput_dev);
wlr_dev->product = libinput_device_get_id_product(libinput_dev);
return wlr_dev;
}
bool wlr_input_device_is_libinput(struct wlr_input_device *wlr_dev) { bool wlr_input_device_is_libinput(struct wlr_input_device *wlr_dev) {
switch (wlr_dev->type) { switch (wlr_dev->type) {
case WLR_INPUT_DEVICE_KEYBOARD: case WLR_INPUT_DEVICE_KEYBOARD:
@ -173,6 +150,14 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
dev_used = true; dev_used = true;
} }
if (libinput_device_has_capability(
libinput_dev, LIBINPUT_DEVICE_CAP_TABLET_PAD)) {
init_device_tablet_pad(dev);
wlr_signal_emit_safe(&backend->backend.events.new_input,
&dev->tablet_pad.base);
dev_used = true;
}
if (dev_used) { if (dev_used) {
wl_list_insert(&backend->devices, &dev->link); wl_list_insert(&backend->devices, &dev->link);
return; return;
@ -187,21 +172,6 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
return; return;
} }
wl_list_init(wlr_devices); wl_list_init(wlr_devices);
if (libinput_device_has_capability(
libinput_dev, LIBINPUT_DEVICE_CAP_TABLET_PAD)) {
struct wlr_input_device *wlr_dev = allocate_device(backend,
libinput_dev, wlr_devices, WLR_INPUT_DEVICE_TABLET_PAD);
if (!wlr_dev) {
goto fail;
}
wlr_dev->tablet_pad = create_libinput_tablet_pad(libinput_dev);
if (!wlr_dev->tablet_pad) {
free(wlr_dev);
goto fail;
}
wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev);
}
if (libinput_device_has_capability( if (libinput_device_has_capability(
libinput_dev, LIBINPUT_DEVICE_CAP_GESTURE)) { libinput_dev, LIBINPUT_DEVICE_CAP_GESTURE)) {
// TODO // TODO
@ -325,13 +295,13 @@ void handle_libinput_event(struct wlr_libinput_backend *backend,
handle_tablet_tool_button(event, &dev->tablet); handle_tablet_tool_button(event, &dev->tablet);
break; break;
case LIBINPUT_EVENT_TABLET_PAD_BUTTON: case LIBINPUT_EVENT_TABLET_PAD_BUTTON:
handle_tablet_pad_button(event, libinput_dev); handle_tablet_pad_button(event, &dev->tablet_pad);
break; break;
case LIBINPUT_EVENT_TABLET_PAD_RING: case LIBINPUT_EVENT_TABLET_PAD_RING:
handle_tablet_pad_ring(event, libinput_dev); handle_tablet_pad_ring(event, &dev->tablet_pad);
break; break;
case LIBINPUT_EVENT_TABLET_PAD_STRIP: case LIBINPUT_EVENT_TABLET_PAD_STRIP:
handle_tablet_pad_strip(event, libinput_dev); handle_tablet_pad_strip(event, &dev->tablet_pad);
break; break;
case LIBINPUT_EVENT_SWITCH_TOGGLE: case LIBINPUT_EVENT_SWITCH_TOGGLE:
handle_switch_toggle(event, &dev->switch_device); handle_switch_toggle(event, &dev->switch_device);

View file

@ -1,17 +1,20 @@
#ifndef _POSIX_C_SOURCE
#define _POSIX_C_SOURCE 200809L #define _POSIX_C_SOURCE 200809L
#endif
#include <assert.h> #include <assert.h>
#include <string.h> #include <string.h>
#include <libinput.h> #include <libinput.h>
#include <stdlib.h> #include <stdlib.h>
#include <wlr/backend/session.h>
#include <wlr/interfaces/wlr_tablet_pad.h> #include <wlr/interfaces/wlr_tablet_pad.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/util/log.h> #include <wlr/util/log.h>
#include "backend/libinput.h" #include "backend/libinput.h"
#include "util/signal.h" #include "util/signal.h"
static void group_destroy(struct wlr_tablet_pad_group *group) {
free(group->buttons);
free(group->strips);
free(group->rings);
free(group);
}
// FIXME: Decide on how to alloc/count here // FIXME: Decide on how to alloc/count here
static void add_pad_group_from_libinput(struct wlr_tablet_pad *pad, static void add_pad_group_from_libinput(struct wlr_tablet_pad *pad,
struct libinput_device *device, unsigned int index) { struct libinput_device *device, unsigned int index) {
@ -20,6 +23,7 @@ static void add_pad_group_from_libinput(struct wlr_tablet_pad *pad,
struct wlr_tablet_pad_group *group = struct wlr_tablet_pad_group *group =
calloc(1, sizeof(struct wlr_tablet_pad_group)); calloc(1, sizeof(struct wlr_tablet_pad_group));
if (!group) { if (!group) {
wlr_log_errno(WLR_ERROR, "failed to allocate wlr_tablet_pad_group");
return; return;
} }
@ -29,6 +33,10 @@ static void add_pad_group_from_libinput(struct wlr_tablet_pad *pad,
} }
} }
group->rings = calloc(sizeof(unsigned int), group->ring_count); group->rings = calloc(sizeof(unsigned int), group->ring_count);
if (group->rings == NULL) {
goto group_fail;
}
size_t ring = 0; size_t ring = 0;
for (size_t i = 0; i < pad->ring_count; ++i) { for (size_t i = 0; i < pad->ring_count; ++i) {
if (libinput_tablet_pad_mode_group_has_ring(li_group, i)) { if (libinput_tablet_pad_mode_group_has_ring(li_group, i)) {
@ -42,6 +50,9 @@ static void add_pad_group_from_libinput(struct wlr_tablet_pad *pad,
} }
} }
group->strips = calloc(sizeof(unsigned int), group->strip_count); group->strips = calloc(sizeof(unsigned int), group->strip_count);
if (group->strips == NULL) {
goto group_fail;
}
size_t strip = 0; size_t strip = 0;
for (size_t i = 0; i < pad->strip_count; ++i) { for (size_t i = 0; i < pad->strip_count; ++i) {
if (libinput_tablet_pad_mode_group_has_strip(li_group, i)) { if (libinput_tablet_pad_mode_group_has_strip(li_group, i)) {
@ -55,6 +66,9 @@ static void add_pad_group_from_libinput(struct wlr_tablet_pad *pad,
} }
} }
group->buttons = calloc(sizeof(unsigned int), group->button_count); group->buttons = calloc(sizeof(unsigned int), group->button_count);
if (group->buttons == NULL) {
goto group_fail;
}
size_t button = 0; size_t button = 0;
for (size_t i = 0; i < pad->button_count; ++i) { for (size_t i = 0; i < pad->button_count; ++i) {
if (libinput_tablet_pad_mode_group_has_button(li_group, i)) { if (libinput_tablet_pad_mode_group_has_button(li_group, i)) {
@ -63,53 +77,74 @@ static void add_pad_group_from_libinput(struct wlr_tablet_pad *pad,
} }
group->mode_count = libinput_tablet_pad_mode_group_get_num_modes(li_group); group->mode_count = libinput_tablet_pad_mode_group_get_num_modes(li_group);
libinput_tablet_pad_mode_group_ref(li_group);
wl_list_insert(&pad->groups, &group->link); wl_list_insert(&pad->groups, &group->link);
return;
group_fail:
wlr_log(WLR_ERROR, "failed to configure wlr_tablet_pad_group");
group_destroy(group);
} }
const struct wlr_tablet_pad_impl libinput_tablet_pad_impl; static void tablet_pad_destroy(struct wlr_tablet_pad *wlr_tablet_pad) {
struct wlr_libinput_input_device *dev =
device_from_tablet_pad(wlr_tablet_pad);
struct wlr_tablet_pad *create_libinput_tablet_pad( struct wlr_tablet_pad_group *group, *tmp;
struct libinput_device *libinput_dev) { wl_list_for_each_safe(group, tmp, &wlr_tablet_pad->groups, link) {
assert(libinput_dev); group_destroy(group);
struct wlr_tablet_pad *wlr_tablet_pad =
calloc(1, sizeof(struct wlr_tablet_pad));
if (!wlr_tablet_pad) {
wlr_log(WLR_ERROR, "Unable to allocate wlr_tablet_pad");
return NULL;
} }
const char *name = libinput_device_get_name(libinput_dev);
int groups = libinput_device_tablet_pad_get_num_mode_groups(dev->handle);
for (int i = 0; i < groups; ++i) {
struct libinput_tablet_pad_mode_group *li_group =
libinput_device_tablet_pad_get_mode_group(dev->handle, i);
libinput_tablet_pad_mode_group_unref(li_group);
}
}
const struct wlr_tablet_pad_impl libinput_tablet_pad_impl = {
.destroy = tablet_pad_destroy,
};
void init_device_tablet_pad(struct wlr_libinput_input_device *dev) {
struct libinput_device *handle = dev->handle;
const char *name = libinput_device_get_name(handle);
struct wlr_tablet_pad *wlr_tablet_pad = &dev->tablet_pad;
wlr_tablet_pad_init(wlr_tablet_pad, &libinput_tablet_pad_impl, name); wlr_tablet_pad_init(wlr_tablet_pad, &libinput_tablet_pad_impl, name);
wlr_tablet_pad->base.vendor = libinput_device_get_id_vendor(libinput_dev); wlr_tablet_pad->base.vendor = libinput_device_get_id_vendor(handle);
wlr_tablet_pad->base.product = libinput_device_get_id_product(libinput_dev); wlr_tablet_pad->base.product = libinput_device_get_id_product(handle);
wlr_tablet_pad->button_count = wlr_tablet_pad->button_count =
libinput_device_tablet_pad_get_num_buttons(libinput_dev); libinput_device_tablet_pad_get_num_buttons(handle);
wlr_tablet_pad->ring_count = wlr_tablet_pad->ring_count =
libinput_device_tablet_pad_get_num_rings(libinput_dev); libinput_device_tablet_pad_get_num_rings(handle);
wlr_tablet_pad->strip_count = wlr_tablet_pad->strip_count =
libinput_device_tablet_pad_get_num_strips(libinput_dev); libinput_device_tablet_pad_get_num_strips(handle);
struct udev_device *udev = libinput_device_get_udev_device(libinput_dev); struct udev_device *udev = libinput_device_get_udev_device(handle);
char **dst = wl_array_add(&wlr_tablet_pad->paths, sizeof(char *)); char **dst = wl_array_add(&wlr_tablet_pad->paths, sizeof(char *));
*dst = strdup(udev_device_get_syspath(udev)); *dst = strdup(udev_device_get_syspath(udev));
int groups = libinput_device_tablet_pad_get_num_mode_groups(libinput_dev); int groups = libinput_device_tablet_pad_get_num_mode_groups(handle);
for (int i = 0; i < groups; ++i) { for (int i = 0; i < groups; ++i) {
add_pad_group_from_libinput(wlr_tablet_pad, libinput_dev, i); add_pad_group_from_libinput(wlr_tablet_pad, handle, i);
} }
}
return wlr_tablet_pad; struct wlr_libinput_input_device *device_from_tablet_pad(
struct wlr_tablet_pad *wlr_tablet_pad) {
assert(wlr_tablet_pad->impl == &libinput_tablet_pad_impl);
struct wlr_libinput_input_device *dev =
wl_container_of(wlr_tablet_pad, dev, tablet_pad);
return dev;
} }
void handle_tablet_pad_button(struct libinput_event *event, void handle_tablet_pad_button(struct libinput_event *event,
struct libinput_device *libinput_dev) { struct wlr_tablet_pad *tablet_pad) {
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_PAD, libinput_dev);
if (!wlr_dev) {
wlr_log(WLR_DEBUG,
"Got a tablet pad event for a device with no tablet pad?");
return;
}
struct libinput_event_tablet_pad *pevent = struct libinput_event_tablet_pad *pevent =
libinput_event_get_tablet_pad_event(event); libinput_event_get_tablet_pad_event(event);
struct wlr_event_tablet_pad_button wlr_event = { 0 }; struct wlr_event_tablet_pad_button wlr_event = { 0 };
@ -127,18 +162,11 @@ void handle_tablet_pad_button(struct libinput_event *event,
wlr_event.state = WLR_BUTTON_RELEASED; wlr_event.state = WLR_BUTTON_RELEASED;
break; break;
} }
wlr_signal_emit_safe(&wlr_dev->tablet_pad->events.button, &wlr_event); wlr_signal_emit_safe(&tablet_pad->events.button, &wlr_event);
} }
void handle_tablet_pad_ring(struct libinput_event *event, void handle_tablet_pad_ring(struct libinput_event *event,
struct libinput_device *libinput_dev) { struct wlr_tablet_pad *tablet_pad) {
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_PAD, libinput_dev);
if (!wlr_dev) {
wlr_log(WLR_DEBUG,
"Got a tablet pad event for a device with no tablet pad?");
return;
}
struct libinput_event_tablet_pad *pevent = struct libinput_event_tablet_pad *pevent =
libinput_event_get_tablet_pad_event(event); libinput_event_get_tablet_pad_event(event);
struct wlr_event_tablet_pad_ring wlr_event = { 0 }; struct wlr_event_tablet_pad_ring wlr_event = { 0 };
@ -155,18 +183,11 @@ void handle_tablet_pad_ring(struct libinput_event *event,
wlr_event.source = WLR_TABLET_PAD_RING_SOURCE_FINGER; wlr_event.source = WLR_TABLET_PAD_RING_SOURCE_FINGER;
break; break;
} }
wlr_signal_emit_safe(&wlr_dev->tablet_pad->events.ring, &wlr_event); wlr_signal_emit_safe(&tablet_pad->events.ring, &wlr_event);
} }
void handle_tablet_pad_strip(struct libinput_event *event, void handle_tablet_pad_strip(struct libinput_event *event,
struct libinput_device *libinput_dev) { struct wlr_tablet_pad *tablet_pad) {
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_PAD, libinput_dev);
if (!wlr_dev) {
wlr_log(WLR_DEBUG,
"Got a tablet pad event for a device with no tablet pad?");
return;
}
struct libinput_event_tablet_pad *pevent = struct libinput_event_tablet_pad *pevent =
libinput_event_get_tablet_pad_event(event); libinput_event_get_tablet_pad_event(event);
struct wlr_event_tablet_pad_strip wlr_event = { 0 }; struct wlr_event_tablet_pad_strip wlr_event = { 0 };
@ -183,5 +204,5 @@ void handle_tablet_pad_strip(struct libinput_event *event,
wlr_event.source = WLR_TABLET_PAD_STRIP_SOURCE_FINGER; wlr_event.source = WLR_TABLET_PAD_STRIP_SOURCE_FINGER;
break; break;
} }
wlr_signal_emit_safe(&wlr_dev->tablet_pad->events.strip, &wlr_event); wlr_signal_emit_safe(&tablet_pad->events.strip, &wlr_event);
} }

View file

@ -40,6 +40,7 @@ struct wlr_libinput_input_device {
struct wlr_touch touch; struct wlr_touch touch;
struct wlr_tablet tablet; struct wlr_tablet tablet;
struct wl_list tablet_tools; // see backend/libinput/tablet_tool.c struct wl_list tablet_tools; // see backend/libinput/tablet_tool.c
struct wlr_tablet_pad tablet_pad;
struct wl_list link; struct wl_list link;
}; };
@ -125,13 +126,14 @@ void handle_tablet_tool_tip(struct libinput_event *event,
void handle_tablet_tool_button(struct libinput_event *event, void handle_tablet_tool_button(struct libinput_event *event,
struct wlr_tablet *tablet); struct wlr_tablet *tablet);
struct wlr_tablet_pad *create_libinput_tablet_pad( void init_device_tablet_pad(struct wlr_libinput_input_device *dev);
struct libinput_device *device); struct wlr_libinput_input_device *device_from_tablet_pad(
struct wlr_tablet_pad *tablet_pad);
void handle_tablet_pad_button(struct libinput_event *event, void handle_tablet_pad_button(struct libinput_event *event,
struct libinput_device *device); struct wlr_tablet_pad *tablet_pad);
void handle_tablet_pad_ring(struct libinput_event *event, void handle_tablet_pad_ring(struct libinput_event *event,
struct libinput_device *device); struct wlr_tablet_pad *tablet_pad);
void handle_tablet_pad_strip(struct libinput_event *event, void handle_tablet_pad_strip(struct libinput_event *event,
struct libinput_device *device); struct wlr_tablet_pad *tablet_pad);
#endif #endif