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arch-packages/virtual_input.patch

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From 99956cd5301ad1c19e3a3d07e022c942ca8b312d Mon Sep 17 00:00:00 2001
From: Dominique Martinet <dominique.martinet@atmark-techno.com>
Date: Tue, 18 May 2021 08:52:06 +0900
Subject: [PATCH 1/2] seat: add wlr_virtual_keyboard_manager_v1
---
seat.c | 43 ++++++++++++++++++++++++++++++++++++-------
seat.h | 4 ++++
2 files changed, 40 insertions(+), 7 deletions(-)
diff --git a/seat.c b/seat.c
index 08f25a3..d8556f6 100644
--- a/seat.c
+++ b/seat.c
@@ -21,6 +21,7 @@
#include <wlr/types/wlr_seat.h>
#include <wlr/types/wlr_surface.h>
#include <wlr/types/wlr_touch.h>
+#include <wlr/types/wlr_virtual_keyboard_v1.h>
#include <wlr/types/wlr_xcursor_manager.h>
#include <wlr/util/log.h>
#if CAGE_HAS_XWAYLAND
@@ -294,10 +295,16 @@ handle_keyboard_group_modifiers(struct wl_listener *listener, void *data)
}
static void
-cg_keyboard_group_add(struct wlr_input_device *device, struct cg_seat *seat)
+cg_keyboard_group_add(struct wlr_input_device *device, struct cg_seat *seat, bool virtual)
{
struct wlr_keyboard *wlr_keyboard = device->keyboard;
+ if (virtual)
+ /* We apparently should not group virtual keyboards,
+ * so create a new group with it
+ */
+ goto create_new;
+
struct cg_keyboard_group *group;
wl_list_for_each (group, &seat->keyboard_groups, link) {
struct wlr_keyboard_group *wlr_group = group->wlr_group;
@@ -309,7 +316,9 @@ cg_keyboard_group_add(struct wlr_input_device *device, struct cg_seat *seat)
/* This is reached if and only if the keyboard could not be inserted into
* any group */
- struct cg_keyboard_group *cg_group = calloc(1, sizeof(struct cg_keyboard_group));
+ struct cg_keyboard_group *cg_group;
+create_new:
+ cg_group = calloc(1, sizeof(struct cg_keyboard_group));
if (cg_group == NULL) {
wlr_log(WLR_ERROR, "Failed to allocate keyboard group.");
return;
@@ -322,7 +331,7 @@ cg_keyboard_group_add(struct wlr_input_device *device, struct cg_seat *seat)
}
cg_group->wlr_group->data = cg_group;
- wlr_keyboard_set_keymap(&cg_group->wlr_group->keyboard, device->keyboard->keymap);
+ wlr_keyboard_set_keymap(&cg_group->wlr_group->keyboard, wlr_keyboard->keymap);
wlr_keyboard_set_repeat_info(&cg_group->wlr_group->keyboard, wlr_keyboard->repeat_info.rate,
wlr_keyboard->repeat_info.delay);
@@ -330,7 +339,10 @@ cg_keyboard_group_add(struct wlr_input_device *device, struct cg_seat *seat)
wlr_log(WLR_DEBUG, "Created keyboard group");
wlr_keyboard_group_add_keyboard(cg_group->wlr_group, wlr_keyboard);
- wl_list_insert(&seat->keyboard_groups, &cg_group->link);
+ if (!virtual)
+ wl_list_insert(&seat->keyboard_groups, &cg_group->link);
+ else
+ wl_list_init(&cg_group->link);
wl_signal_add(&cg_group->wlr_group->keyboard.events.key, &cg_group->key);
cg_group->key.notify = handle_keyboard_group_key;
@@ -347,7 +359,7 @@ cg_keyboard_group_add(struct wlr_input_device *device, struct cg_seat *seat)
}
static void
-handle_new_keyboard(struct cg_seat *seat, struct wlr_input_device *device)
+handle_new_keyboard(struct cg_seat *seat, struct wlr_input_device *device, bool virtual)
{
struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
if (!context) {
@@ -374,11 +386,24 @@ handle_new_keyboard(struct cg_seat *seat, struct wlr_input_device *device)
xkb_context_unref(context);
wlr_keyboard_set_repeat_info(device->keyboard, 25, 600);
- cg_keyboard_group_add(device, seat);
+ cg_keyboard_group_add(device, seat, virtual);
wlr_seat_set_keyboard(seat->seat, device);
}
+static void
+handle_virtual_keyboard(struct wl_listener *listener, void *data)
+{
+ struct cg_seat *seat = wl_container_of(listener, seat, new_virtual_keyboard);
+ struct wlr_virtual_keyboard_v1 *keyboard = data;
+ struct wlr_input_device *device = &keyboard->input_device;
+
+ /* If multiple seats are supported, check keyboard->seat
+ * to select the appropriate one */
+
+ handle_new_keyboard(seat, device, true);
+}
+
static void
handle_new_input(struct wl_listener *listener, void *data)
{
@@ -387,7 +412,7 @@ handle_new_input(struct wl_listener *listener, void *data)
switch (device->type) {
case WLR_INPUT_DEVICE_KEYBOARD:
- handle_new_keyboard(seat, device);
+ handle_new_keyboard(seat, device, false);
break;
case WLR_INPUT_DEVICE_POINTER:
handle_new_pointer(seat, device);
@@ -818,6 +843,10 @@ seat_create(struct cg_server *server, struct wlr_backend *backend)
seat->start_drag.notify = handle_start_drag;
wl_signal_add(&seat->seat->events.start_drag, &seat->start_drag);
+ seat->virtual_keyboard = wlr_virtual_keyboard_manager_v1_create(server->wl_display);
+ wl_signal_add(&seat->virtual_keyboard->events.new_virtual_keyboard, &seat->new_virtual_keyboard);
+ seat->new_virtual_keyboard.notify = handle_virtual_keyboard;
+
return seat;
}
diff --git a/seat.h b/seat.h
index 188543d..428801a 100644
--- a/seat.h
+++ b/seat.h
@@ -25,6 +25,10 @@ struct cg_seat {
struct wl_list touch;
struct wl_listener new_input;
+ // These belong to higher level if multiple seats are allowed
+ struct wlr_virtual_keyboard_manager_v1 *virtual_keyboard;
+ struct wl_listener new_virtual_keyboard;
+
struct wlr_cursor *cursor;
struct wlr_xcursor_manager *xcursor_manager;
struct wl_listener cursor_motion;
From 9d2e1c2131c27fd656f37580689fce92a663dad0 Mon Sep 17 00:00:00 2001
From: Dominique Martinet <dominique.martinet@atmark-techno.com>
Date: Tue, 18 May 2021 08:52:22 +0900
Subject: [PATCH 2/2] seat: add wlr_virtual_pointer_manager_v1
together with the previous patch, wayvnc can now be used with cage:
$ cage something
# figure out which wayland socket cage used
$ WAYLAND_DISPLAY=wayland-0 wayvnc
Note this does not appear to work with headless backend, e.g. starting cage with
WLR_BACKENDS=headless WLR_LIBINPUT_NO_DEVICES=1 cage something
does start and wayvnc connects/displays output, but there are tons of errors
and input does not work
---
seat.c | 17 +++++++++++++++++
seat.h | 2 ++
2 files changed, 19 insertions(+)
diff --git a/seat.c b/seat.c
index d8556f6..9bf6672 100644
--- a/seat.c
+++ b/seat.c
@@ -22,6 +22,7 @@
#include <wlr/types/wlr_surface.h>
#include <wlr/types/wlr_touch.h>
#include <wlr/types/wlr_virtual_keyboard_v1.h>
+#include <wlr/types/wlr_virtual_pointer_v1.h>
#include <wlr/types/wlr_xcursor_manager.h>
#include <wlr/util/log.h>
#if CAGE_HAS_XWAYLAND
@@ -216,6 +217,18 @@ handle_new_pointer(struct cg_seat *seat, struct wlr_input_device *device)
map_input_device_to_output(seat, device);
}
+static void
+handle_virtual_pointer(struct wl_listener *listener, void *data)
+{
+ struct cg_seat *seat = wl_container_of(listener, seat, new_virtual_pointer);
+ struct wlr_virtual_pointer_v1_new_pointer_event *event = data;
+ struct wlr_virtual_pointer_v1 *pointer = event->new_pointer;
+ struct wlr_input_device *device = &pointer->input_device;
+
+ /* event->suggested_seat should be checked if we handle multiple seats */
+ handle_new_pointer(seat, device);
+}
+
static void
handle_modifier_event(struct wlr_input_device *device, struct cg_seat *seat)
{
@@ -847,6 +860,10 @@ seat_create(struct cg_server *server, struct wlr_backend *backend)
wl_signal_add(&seat->virtual_keyboard->events.new_virtual_keyboard, &seat->new_virtual_keyboard);
seat->new_virtual_keyboard.notify = handle_virtual_keyboard;
+ seat->virtual_pointer = wlr_virtual_pointer_manager_v1_create(server->wl_display);
+ wl_signal_add(&seat->virtual_pointer->events.new_virtual_pointer, &seat->new_virtual_pointer);
+ seat->new_virtual_pointer.notify = handle_virtual_pointer;
+
return seat;
}
diff --git a/seat.h b/seat.h
index 428801a..0f6de59 100644
--- a/seat.h
+++ b/seat.h
@@ -27,7 +27,9 @@ struct cg_seat {
// These belong to higher level if multiple seats are allowed
struct wlr_virtual_keyboard_manager_v1 *virtual_keyboard;
+ struct wlr_virtual_pointer_manager_v1 *virtual_pointer;
struct wl_listener new_virtual_keyboard;
+ struct wl_listener new_virtual_pointer;
struct wlr_cursor *cursor;
struct wlr_xcursor_manager *xcursor_manager;
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