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Merge pull request #999 from dcz-purism/virtual-keyboard

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Support virtual keyboard protocol
This commit is contained in:
emersion 2018-05-29 18:22:44 +01:00 committed by GitHub
commit e1f56538a8
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10 changed files with 427 additions and 0 deletions
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3
include/rootston/desktop.h
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@ -14,6 +14,7 @@
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_primary_selection.h>
#include <wlr/types/wlr_screenshooter.h>
#include <wlr/types/wlr_virtual_keyboard_v1.h>
#include <wlr/types/wlr_wl_shell.h>
#include <wlr/types/wlr_xcursor_manager.h>
#include <wlr/types/wlr_xdg_shell_v6.h>
@ -51,6 +52,7 @@ struct roots_desktop {
struct wlr_input_inhibit_manager *input_inhibit;
struct wlr_linux_dmabuf *linux_dmabuf;
struct wlr_layer_shell *layer_shell;
struct wlr_virtual_keyboard_manager_v1 *virtual_keyboard;
struct wl_listener new_output;
struct wl_listener layout_change;
@ -61,6 +63,7 @@ struct roots_desktop {
struct wl_listener decoration_new;
struct wl_listener input_inhibit_activate;
struct wl_listener input_inhibit_deactivate;
struct wl_listener virtual_keyboard_new;
#ifdef WLR_HAS_XWAYLAND
struct wlr_xwayland *xwayland;

7
include/rootston/virtual_keyboard.h Normal file
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@ -0,0 +1,7 @@
#ifndef ROOTSTON_VIRTUAL_KEYBOARD_H
#define ROOTSTON_VIRTUAL_KEYBOARD_H
#include <wayland-server-core.h>
void handle_virtual_keyboard(struct wl_listener *listener, void *data);
#endif

37
include/wlr/types/wlr_virtual_keyboard_v1.h Normal file
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@ -0,0 +1,37 @@
#ifndef WLR_TYPES_WLR_VIRTUAL_KEYBOARD_V1_H
#define WLR_TYPES_WLR_VIRTUAL_KEYBOARD_V1_H
#include <wayland-server.h>
#include <wlr/interfaces/wlr_input_device.h>
#include <wlr/interfaces/wlr_keyboard.h>
struct wlr_virtual_keyboard_manager_v1 {
struct wl_global *global;
struct wl_list resources; // struct wl_resource*
struct wl_list virtual_keyboards; // struct wlr_virtual_keyboard_v1*
struct wl_listener display_destroy;
struct {
struct wl_signal new_virtual_keyboard; // struct wlr_virtual_keyboard_v1*
} events;
};
struct wlr_virtual_keyboard_v1 {
struct wl_resource *resource;
struct wlr_input_device input_device;
struct wlr_seat *seat;
struct wl_list link;
struct {
struct wl_signal destroy; // struct wlr_virtual_keyboard_v1*
} events;
};
struct wlr_virtual_keyboard_manager_v1* wlr_virtual_keyboard_manager_v1_create(
struct wl_display *display);
void wlr_virtual_keyboard_manager_v1_destroy(
struct wlr_virtual_keyboard_manager_v1 *manager);
#endif

1
protocol/meson.build
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@ -38,6 +38,7 @@ protocols = [
'idle.xml',
'screenshooter.xml',
'server-decoration.xml',
'virtual-keyboard-unstable-v1.xml',
'wlr-layer-shell-unstable-v1.xml',
'wlr-input-inhibitor-unstable-v1.xml',
]

113
protocol/virtual-keyboard-unstable-v1.xml Normal file
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@ -0,0 +1,113 @@
<?xml version="1.0" encoding="UTF-8"?>
<protocol name="virtual_keyboard_unstable_v1">
<copyright>
Copyright © 2008-2011 Kristian Høgsberg
Copyright © 2010-2013 Intel Corporation
Copyright © 2012-2013 Collabora, Ltd.
Copyright © 2018 Purism SPC
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice (including the next
paragraph) shall be included in all copies or substantial portions of the
Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
</copyright>
<interface name="zwp_virtual_keyboard_v1" version="1">
<description summary="virtual keyboard">
The virtual keyboard provides an application with requests which emulate
the behaviour of a physical keyboard.
This interface can be used by clients on its own to provide raw input
events, or it can accompany the input method protocol.
</description>
<request name="keymap">
<description summary="keyboard mapping">
Provide a file descriptor to the compositor which can be
memory-mapped to provide a keyboard mapping description.
Format carries a value from the keymap_format enumeration.
</description>
<arg name="format" type="uint" summary="keymap format"/>
<arg name="fd" type="fd" summary="keymap file descriptor"/>
<arg name="size" type="uint" summary="keymap size, in bytes"/>
</request>
<enum name="error">
<entry name="no_keymap" value="0" summary="No keymap was set"/>
</enum>
<request name="key">
<description summary="key event">
A key was pressed or released.
The time argument is a timestamp with millisecond granularity, with an
undefined base. All requests regarding a single object must share the
same clock.
Keymap must be set before issuing this request.
State carries a value from the key_state enumeration.
</description>
<arg name="time" type="uint" summary="timestamp with millisecond granularity"/>
<arg name="key" type="uint" summary="key that produced the event"/>
<arg name="state" type="uint" summary="physical state of the key"/>
</request>
<request name="modifiers">
<description summary="modifier and group state">
Notifies the compositor that the modifier and/or group state has
changed, and it should update state.
The client should use wl_keyboard.modifiers event to synchronize its
internal state with seat state.
Keymap must be set before issuing this request.
</description>
<arg name="mods_depressed" type="uint" summary="depressed modifiers"/>
<arg name="mods_latched" type="uint" summary="latched modifiers"/>
<arg name="mods_locked" type="uint" summary="locked modifiers"/>
<arg name="group" type="uint" summary="keyboard layout"/>
</request>
<request name="destroy" type="destructor" since="1">
<description summary="destroy the virtual keyboard keyboard object"/>
</request>
</interface>
<interface name="zwp_virtual_keyboard_manager_v1" version="1">
<description summary="virtual keyboard manager">
A virtual keyboard manager allows an application to provide keyboard
input events as if they came from a physical keyboard.
</description>
<enum name="error">
<entry name="unauthorized" value="0" summary="client not authorized to use the interface"/>
</enum>
<request name="create_virtual_keyboard">
<description summary="Create a new virtual keyboard">
Creates a new virtual keyboard associated to a seat.
If the compositor enables a keyboard to perform arbitrary actions, it
should present an error when an untrusted client requests a new
keyboard.
</description>
<arg name="seat" type="object" interface="wl_seat"/>
<arg name="id" type="new_id" interface="zwp_virtual_keyboard_v1"/>
</request>
</interface>
</protocol>

7
rootston/desktop.c
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@ -26,6 +26,7 @@
#include "rootston/seat.h"
#include "rootston/server.h"
#include "rootston/view.h"
#include "rootston/virtual_keyboard.h"
#include "rootston/xcursor.h"
#include "wlr-layer-shell-unstable-v1-protocol.h"
@ -865,6 +866,12 @@ struct roots_desktop *desktop_create(struct roots_server *server,
desktop->linux_dmabuf = wlr_linux_dmabuf_create(server->wl_display,
server->renderer);
desktop->virtual_keyboard = wlr_virtual_keyboard_manager_v1_create(
server->wl_display);
wl_signal_add(&desktop->virtual_keyboard->events.new_virtual_keyboard,
&desktop->virtual_keyboard_new);
desktop->virtual_keyboard_new.notify = handle_virtual_keyboard;
return desktop;
}

1
rootston/meson.build
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@ -9,6 +9,7 @@ sources = [
'main.c',
'output.c',
'seat.c',
'virtual_keyboard.c',
'wl_shell.c',
'xdg_shell_v6.c',
'xdg_shell.c',

21
rootston/virtual_keyboard.c Normal file
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@ -0,0 +1,21 @@
#define _POSIX_C_SOURCE 199309L
#include <wlr/util/log.h>
#include <wlr/types/wlr_virtual_keyboard_v1.h>
#include "rootston/virtual_keyboard.h"
#include "rootston/seat.h"
void handle_virtual_keyboard(struct wl_listener *listener, void *data) {
struct roots_desktop *desktop =
wl_container_of(listener, desktop, virtual_keyboard_new);
struct wlr_virtual_keyboard_v1 *keyboard = data;
struct roots_seat *seat = input_seat_from_wlr_seat(desktop->server->input,
keyboard->seat);
if (!seat) {
wlr_log(L_ERROR, "could not find roots seat");
return;
}
roots_seat_add_device(seat, &keyboard->input_device);
}

1
types/meson.build
View File

@ -44,6 +44,7 @@ lib_wlr_types = static_library(
'wlr_tablet_pad.c',
'wlr_tablet_tool.c',
'wlr_touch.c',
'wlr_virtual_keyboard_v1.c',
'wlr_wl_shell.c',
'wlr_xcursor_manager.c',
'wlr_xdg_output.c',

236
types/wlr_virtual_keyboard_v1.c Normal file
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@ -0,0 +1,236 @@
#define _POSIX_C_SOURCE 1
#include <assert.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <wlr/types/wlr_seat.h>
#include <wlr/types/wlr_virtual_keyboard_v1.h>
#include <wlr/util/log.h>
#include <xkbcommon/xkbcommon.h>
#include "util/signal.h"
#include "virtual-keyboard-unstable-v1-protocol.h"
static void keyboard_led_update(struct wlr_keyboard *wlr_kb, uint32_t leds) {
// unsupported by virtual keyboard protocol
}
static void keyboard_destroy(struct wlr_keyboard *wlr_kb) {
// safe to ignore - keyboard will be destroyed only iff associated virtual
// keyboard is torn down, no need to tear down the keyboard separately
}
static const struct wlr_keyboard_impl keyboard_impl = {
.destroy = keyboard_destroy,
.led_update = keyboard_led_update
};
static void input_device_destroy(struct wlr_input_device *dev) {
}
static const struct wlr_input_device_impl input_device_impl = {
.destroy = input_device_destroy
};
static const struct zwp_virtual_keyboard_v1_interface virtual_keyboard_impl;
static struct wlr_virtual_keyboard_v1 *virtual_keyboard_from_resource(
struct wl_resource *resource) {
assert(wl_resource_instance_of(resource,
&zwp_virtual_keyboard_v1_interface, &virtual_keyboard_impl));
return wl_resource_get_user_data(resource);
}
static void virtual_keyboard_keymap(struct wl_client *client,
struct wl_resource *resource, uint32_t format, int32_t fd,
uint32_t size) {
struct wlr_virtual_keyboard_v1 *keyboard =
virtual_keyboard_from_resource(resource);
struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
if (!context) {
goto context_fail;
}
void *data = mmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
if (!data) {
goto fd_fail;
}
struct xkb_keymap *keymap = xkb_keymap_new_from_string(context, data,
XKB_KEYMAP_FORMAT_TEXT_V1, XKB_KEYMAP_COMPILE_NO_FLAGS);
munmap(data, size);
if (!keymap) {
goto keymap_fail;
}
wlr_keyboard_set_keymap(keyboard->input_device.keyboard, keymap);
xkb_keymap_unref(keymap);
xkb_context_unref(context);
return;
keymap_fail:
fd_fail:
xkb_context_unref(context);
context_fail:
wl_client_post_no_memory(client);
}
static void virtual_keyboard_key(struct wl_client *client,
struct wl_resource *resource, uint32_t time, uint32_t key,
uint32_t state) {
struct wlr_virtual_keyboard_v1 *keyboard =
virtual_keyboard_from_resource(resource);
struct wlr_event_keyboard_key event = {
.time_msec = time,
.keycode = key,
.update_state = false,
.state = state,
};
wlr_keyboard_notify_key(keyboard->input_device.keyboard, &event);
}
static void virtual_keyboard_modifiers(struct wl_client *client,
struct wl_resource *resource, uint32_t mods_depressed,
uint32_t mods_latched, uint32_t mods_locked, uint32_t group) {
struct wlr_virtual_keyboard_v1 *keyboard =
virtual_keyboard_from_resource(resource);
wlr_keyboard_notify_modifiers(keyboard->input_device.keyboard,
mods_depressed, mods_latched, mods_locked, group);
}
static void virtual_keyboard_destroy_resource(struct wl_resource *resource) {
struct wlr_virtual_keyboard_v1 *keyboard =
virtual_keyboard_from_resource(resource);
wlr_signal_emit_safe(&keyboard->events.destroy, keyboard);
wl_list_remove(&keyboard->link);
wlr_keyboard_destroy(keyboard->input_device.keyboard);
free(keyboard);
}
static void virtual_keyboard_destroy(struct wl_client *client,
struct wl_resource *resource) {
wl_resource_destroy(resource);
}
static const struct zwp_virtual_keyboard_v1_interface virtual_keyboard_impl = {
.keymap = virtual_keyboard_keymap,
.key = virtual_keyboard_key,
.modifiers = virtual_keyboard_modifiers,
.destroy = virtual_keyboard_destroy,
};
static const struct zwp_virtual_keyboard_manager_v1_interface manager_impl;
static struct wlr_virtual_keyboard_manager_v1 *manager_from_resource(
struct wl_resource *resource) {
assert(wl_resource_instance_of(resource,
&zwp_virtual_keyboard_manager_v1_interface, &manager_impl));
return wl_resource_get_user_data(resource);
}
static void virtual_keyboard_manager_create_virtual_keyboard(
struct wl_client *client, struct wl_resource *resource,
struct wl_resource *seat, uint32_t id) {
struct wlr_virtual_keyboard_manager_v1 *manager =
manager_from_resource(resource);
struct wlr_virtual_keyboard_v1 *virtual_keyboard = calloc(1,
sizeof(struct wlr_virtual_keyboard_v1));
if (!virtual_keyboard) {
wl_client_post_no_memory(client);
return;
}
struct wlr_keyboard* keyboard = calloc(1, sizeof(struct wlr_keyboard));
if (!keyboard) {
wlr_log(L_ERROR, "Cannot allocate wlr_keyboard");
free(virtual_keyboard);
wl_client_post_no_memory(client);
return;
}
wlr_keyboard_init(keyboard, &keyboard_impl);
struct wl_resource *keyboard_resource = wl_resource_create(client,
&zwp_virtual_keyboard_v1_interface, wl_resource_get_version(resource),
id);
if (!keyboard_resource) {
free(keyboard);
free(virtual_keyboard);
wl_client_post_no_memory(client);
return;
}
wl_resource_set_implementation(keyboard_resource, &virtual_keyboard_impl,
virtual_keyboard, virtual_keyboard_destroy_resource);
wlr_input_device_init(&virtual_keyboard->input_device,
WLR_INPUT_DEVICE_KEYBOARD, &input_device_impl, "virtual keyboard",
0x0, 0x0);
struct wlr_seat_client *seat_client = wlr_seat_client_from_resource(seat);
virtual_keyboard->input_device.keyboard = keyboard;
virtual_keyboard->resource = keyboard_resource;
virtual_keyboard->seat = seat_client->seat;
wl_signal_init(&virtual_keyboard->events.destroy);
wl_list_insert(&manager->virtual_keyboards, &virtual_keyboard->link);
wlr_signal_emit_safe(&manager->events.new_virtual_keyboard,
virtual_keyboard);
}
static const struct zwp_virtual_keyboard_manager_v1_interface manager_impl = {
.create_virtual_keyboard = virtual_keyboard_manager_create_virtual_keyboard,
};
static void handle_manager_unbind(struct wl_resource *resource) {
wl_list_remove(wl_resource_get_link(resource));
}
static void virtual_keyboard_manager_bind(struct wl_client *client, void *data,
uint32_t version, uint32_t id) {
struct wlr_virtual_keyboard_manager_v1 *manager = data;
struct wl_resource *resource = wl_resource_create(client,
&zwp_virtual_keyboard_manager_v1_interface, version, id);
if (!resource) {
wl_client_post_no_memory(client);
return;
}
wl_resource_set_implementation(resource, &manager_impl, manager,
handle_manager_unbind);
wl_list_insert(&manager->resources, wl_resource_get_link(resource));
}
static void handle_display_destroy(struct wl_listener *listener, void *data) {
struct wlr_virtual_keyboard_manager_v1 *manager =
wl_container_of(listener, manager, display_destroy);
wlr_virtual_keyboard_manager_v1_destroy(manager);
}
struct wlr_virtual_keyboard_manager_v1*
wlr_virtual_keyboard_manager_v1_create(
struct wl_display *display) {
struct wlr_virtual_keyboard_manager_v1 *manager = calloc(1,
sizeof(struct wlr_virtual_keyboard_manager_v1));
if (!manager) {
return NULL;
}
manager->display_destroy.notify = handle_display_destroy;
wl_display_add_destroy_listener(display, &manager->display_destroy);
wl_list_init(&manager->resources);
wl_list_init(&manager->virtual_keyboards);
wl_signal_init(&manager->events.new_virtual_keyboard);
manager->global = wl_global_create(display,
&zwp_virtual_keyboard_manager_v1_interface, 1, manager,
virtual_keyboard_manager_bind);
return manager;
}
void wlr_virtual_keyboard_manager_v1_destroy(
struct wlr_virtual_keyboard_manager_v1 *manager) {
wl_global_destroy(manager->global);
free(manager);
}