[mirror_qemu.git] / ui / dbus-console.c

/*
 * QEMU DBus display console
 *
 * Copyright (c) 2021 Marc-André Lureau <marcandre.lureau@redhat.com>
 *
 * 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 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.
 */
#include "qemu/osdep.h"
#include "qemu/error-report.h"
#include "qapi/error.h"
#include "ui/input.h"
#include "ui/kbd-state.h"
#include "trace.h"

#ifdef G_OS_UNIX
#include <gio/gunixfdlist.h>
#endif

#include "dbus.h"

static struct touch_slot touch_slots[INPUT_EVENT_SLOTS_MAX];

struct _DBusDisplayConsole {
    GDBusObjectSkeleton parent_instance;
    DisplayChangeListener dcl;

    DBusDisplay *display;
    GHashTable *listeners;
    QemuDBusDisplay1Console *iface;

    QemuDBusDisplay1Keyboard *iface_kbd;
    QKbdState *kbd;

    QemuDBusDisplay1Mouse *iface_mouse;
    QemuDBusDisplay1MultiTouch *iface_touch;
    gboolean last_set;
    guint last_x;
    guint last_y;
    Notifier mouse_mode_notifier;
};

G_DEFINE_TYPE(DBusDisplayConsole,
              dbus_display_console,
              G_TYPE_DBUS_OBJECT_SKELETON)

static void
dbus_display_console_set_size(DBusDisplayConsole *ddc,
                              uint32_t width, uint32_t height)
{
    g_object_set(ddc->iface,
                 "width", width,
                 "height", height,
                 NULL);
}

static void
dbus_gfx_switch(DisplayChangeListener *dcl,
                struct DisplaySurface *new_surface)
{
    DBusDisplayConsole *ddc = container_of(dcl, DBusDisplayConsole, dcl);

    dbus_display_console_set_size(ddc,
                                  surface_width(new_surface),
                                  surface_height(new_surface));
}

static void
dbus_gfx_update(DisplayChangeListener *dcl,
                int x, int y, int w, int h)
{
}

static void
dbus_gl_scanout_disable(DisplayChangeListener *dcl)
{
}

static void
dbus_gl_scanout_texture(DisplayChangeListener *dcl,
                        uint32_t tex_id,
                        bool backing_y_0_top,
                        uint32_t backing_width,
                        uint32_t backing_height,
                        uint32_t x, uint32_t y,
                        uint32_t w, uint32_t h)
{
    DBusDisplayConsole *ddc = container_of(dcl, DBusDisplayConsole, dcl);

    dbus_display_console_set_size(ddc, w, h);
}

static void
dbus_gl_scanout_dmabuf(DisplayChangeListener *dcl,
                       QemuDmaBuf *dmabuf)
{
    DBusDisplayConsole *ddc = container_of(dcl, DBusDisplayConsole, dcl);

    dbus_display_console_set_size(ddc,
                                  dmabuf->width,
                                  dmabuf->height);
}

static void
dbus_gl_scanout_update(DisplayChangeListener *dcl,
                       uint32_t x, uint32_t y,
                       uint32_t w, uint32_t h)
{
}

const DisplayChangeListenerOps dbus_console_dcl_ops = {
    .dpy_name                = "dbus-console",
    .dpy_gfx_switch          = dbus_gfx_switch,
    .dpy_gfx_update          = dbus_gfx_update,
    .dpy_gl_scanout_disable  = dbus_gl_scanout_disable,
    .dpy_gl_scanout_texture  = dbus_gl_scanout_texture,
    .dpy_gl_scanout_dmabuf   = dbus_gl_scanout_dmabuf,
    .dpy_gl_update           = dbus_gl_scanout_update,
};

static void
dbus_display_console_init(DBusDisplayConsole *object)
{
    DBusDisplayConsole *ddc = DBUS_DISPLAY_CONSOLE(object);

    ddc->listeners = g_hash_table_new_full(g_str_hash, g_str_equal,
                                            NULL, g_object_unref);
    ddc->dcl.ops = &dbus_console_dcl_ops;
}

static void
dbus_display_console_dispose(GObject *object)
{
    DBusDisplayConsole *ddc = DBUS_DISPLAY_CONSOLE(object);

    unregister_displaychangelistener(&ddc->dcl);
    g_clear_object(&ddc->iface_kbd);
    g_clear_object(&ddc->iface);
    g_clear_pointer(&ddc->listeners, g_hash_table_unref);
    g_clear_pointer(&ddc->kbd, qkbd_state_free);

    G_OBJECT_CLASS(dbus_display_console_parent_class)->dispose(object);
}

static void
dbus_display_console_class_init(DBusDisplayConsoleClass *klass)
{
    GObjectClass *gobject_class = G_OBJECT_CLASS(klass);

    gobject_class->dispose = dbus_display_console_dispose;
}

static void
listener_vanished_cb(DBusDisplayListener *listener)
{
    DBusDisplayConsole *ddc = dbus_display_listener_get_console(listener);
    const char *name = dbus_display_listener_get_bus_name(listener);

    trace_dbus_listener_vanished(name);

    g_hash_table_remove(ddc->listeners, name);
    qkbd_state_lift_all_keys(ddc->kbd);
}

static gboolean
dbus_console_set_ui_info(DBusDisplayConsole *ddc,
                         GDBusMethodInvocation *invocation,
                         guint16 arg_width_mm,
                         guint16 arg_height_mm,
                         gint arg_xoff,
                         gint arg_yoff,
                         guint arg_width,
                         guint arg_height)
{
    QemuUIInfo info = {
        .width_mm = arg_width_mm,
        .height_mm = arg_height_mm,
        .xoff = arg_xoff,
        .yoff = arg_yoff,
        .width = arg_width,
        .height = arg_height,
    };

    if (!dpy_ui_info_supported(ddc->dcl.con)) {
        g_dbus_method_invocation_return_error(invocation,
                                              DBUS_DISPLAY_ERROR,
                                              DBUS_DISPLAY_ERROR_UNSUPPORTED,
                                              "SetUIInfo is not supported");
        return DBUS_METHOD_INVOCATION_HANDLED;
    }

    dpy_set_ui_info(ddc->dcl.con, &info, false);
    qemu_dbus_display1_console_complete_set_uiinfo(ddc->iface, invocation);
    return DBUS_METHOD_INVOCATION_HANDLED;
}

#ifdef G_OS_WIN32
bool
dbus_win32_import_socket(GDBusMethodInvocation *invocation,
                         GVariant *arg_listener, int *socket)
{
    gsize n;
    WSAPROTOCOL_INFOW *info = (void *)g_variant_get_fixed_array(arg_listener, &n, 1);

    if (!info || n != sizeof(*info)) {
        g_dbus_method_invocation_return_error(
            invocation,
            DBUS_DISPLAY_ERROR,
            DBUS_DISPLAY_ERROR_FAILED,
            "Failed to get socket infos");
        return false;
    }

    *socket = WSASocketW(FROM_PROTOCOL_INFO,
                         FROM_PROTOCOL_INFO,
                         FROM_PROTOCOL_INFO,
                         info, 0, 0);
    if (*socket == INVALID_SOCKET) {
        g_autofree gchar *emsg = g_win32_error_message(WSAGetLastError());
        g_dbus_method_invocation_return_error(
            invocation,
            DBUS_DISPLAY_ERROR,
            DBUS_DISPLAY_ERROR_FAILED,
            "Couldn't create socket: %s", emsg);
        return false;
    }

    return true;
}
#endif

static gboolean
dbus_console_register_listener(DBusDisplayConsole *ddc,
                               GDBusMethodInvocation *invocation,
#ifdef G_OS_UNIX
                               GUnixFDList *fd_list,
#endif
                               GVariant *arg_listener)
{
    const char *sender = g_dbus_method_invocation_get_sender(invocation);
    GDBusConnection *listener_conn;
    g_autoptr(GError) err = NULL;
    g_autoptr(GSocket) socket = NULL;
    g_autoptr(GSocketConnection) socket_conn = NULL;
    g_autofree char *guid = g_dbus_generate_guid();
    DBusDisplayListener *listener;
    int fd;

    if (sender && g_hash_table_contains(ddc->listeners, sender)) {
        g_dbus_method_invocation_return_error(
            invocation,
            DBUS_DISPLAY_ERROR,
            DBUS_DISPLAY_ERROR_INVALID,
            "`%s` is already registered!",
            sender);
        return DBUS_METHOD_INVOCATION_HANDLED;
    }

#ifdef G_OS_WIN32
    if (!dbus_win32_import_socket(invocation, arg_listener, &fd)) {
        return DBUS_METHOD_INVOCATION_HANDLED;
    }
#else
    fd = g_unix_fd_list_get(fd_list, g_variant_get_handle(arg_listener), &err);
    if (err) {
        g_dbus_method_invocation_return_error(
            invocation,
            DBUS_DISPLAY_ERROR,
            DBUS_DISPLAY_ERROR_FAILED,
            "Couldn't get peer fd: %s", err->message);
        return DBUS_METHOD_INVOCATION_HANDLED;
    }
#endif

    socket = g_socket_new_from_fd(fd, &err);
    if (err) {
        g_dbus_method_invocation_return_error(
            invocation,
            DBUS_DISPLAY_ERROR,
            DBUS_DISPLAY_ERROR_FAILED,
            "Couldn't make a socket: %s", err->message);
#ifdef G_OS_WIN32
        closesocket(fd);
#else
        close(fd);
#endif
        return DBUS_METHOD_INVOCATION_HANDLED;
    }
    socket_conn = g_socket_connection_factory_create_connection(socket);

    qemu_dbus_display1_console_complete_register_listener(
        ddc->iface, invocation
#ifdef G_OS_UNIX
        , NULL
#endif
    );

    listener_conn = g_dbus_connection_new_sync(
        G_IO_STREAM(socket_conn),
        guid,
        G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_SERVER,
        NULL, NULL, &err);
    if (err) {
        error_report("Failed to setup peer connection: %s", err->message);
        return DBUS_METHOD_INVOCATION_HANDLED;
    }

    listener = dbus_display_listener_new(sender, listener_conn, ddc);
    if (!listener) {
        return DBUS_METHOD_INVOCATION_HANDLED;
    }

    g_hash_table_insert(ddc->listeners,
                        (gpointer)dbus_display_listener_get_bus_name(listener),
                        listener);
    g_object_connect(listener_conn,
                     "swapped-signal::closed", listener_vanished_cb, listener,
                     NULL);

    trace_dbus_registered_listener(sender);
    return DBUS_METHOD_INVOCATION_HANDLED;
}

static gboolean
dbus_kbd_press(DBusDisplayConsole *ddc,
               GDBusMethodInvocation *invocation,
               guint arg_keycode)
{
    QKeyCode qcode = qemu_input_key_number_to_qcode(arg_keycode);

    trace_dbus_kbd_press(arg_keycode);

    qkbd_state_key_event(ddc->kbd, qcode, true);

    qemu_dbus_display1_keyboard_complete_press(ddc->iface_kbd, invocation);

    return DBUS_METHOD_INVOCATION_HANDLED;
}

static gboolean
dbus_kbd_release(DBusDisplayConsole *ddc,
                 GDBusMethodInvocation *invocation,
                 guint arg_keycode)
{
    QKeyCode qcode = qemu_input_key_number_to_qcode(arg_keycode);

    trace_dbus_kbd_release(arg_keycode);

    qkbd_state_key_event(ddc->kbd, qcode, false);

    qemu_dbus_display1_keyboard_complete_release(ddc->iface_kbd, invocation);

    return DBUS_METHOD_INVOCATION_HANDLED;
}

static void
dbus_kbd_qemu_leds_updated(void *data, int ledstate)
{
    DBusDisplayConsole *ddc = DBUS_DISPLAY_CONSOLE(data);

    qemu_dbus_display1_keyboard_set_modifiers(ddc->iface_kbd, ledstate);
}

static gboolean
dbus_mouse_rel_motion(DBusDisplayConsole *ddc,
                      GDBusMethodInvocation *invocation,
                      int dx, int dy)
{
    trace_dbus_mouse_rel_motion(dx, dy);

    if (qemu_input_is_absolute()) {
        g_dbus_method_invocation_return_error(
            invocation, DBUS_DISPLAY_ERROR,
            DBUS_DISPLAY_ERROR_INVALID,
            "Mouse is not relative");
        return DBUS_METHOD_INVOCATION_HANDLED;
    }

    qemu_input_queue_rel(ddc->dcl.con, INPUT_AXIS_X, dx);
    qemu_input_queue_rel(ddc->dcl.con, INPUT_AXIS_Y, dy);
    qemu_input_event_sync();

    qemu_dbus_display1_mouse_complete_rel_motion(ddc->iface_mouse,
                                                    invocation);

    return DBUS_METHOD_INVOCATION_HANDLED;
}

static gboolean
dbus_touch_send_event(DBusDisplayConsole *ddc,
                      GDBusMethodInvocation *invocation,
                      guint kind, uint64_t num_slot,
                      double x, double y)
{
    Error *error = NULL;
    int width, height;
    trace_dbus_touch_send_event(kind, num_slot, x, y);

    if (kind != INPUT_MULTI_TOUCH_TYPE_BEGIN &&
        kind != INPUT_MULTI_TOUCH_TYPE_UPDATE &&
        kind != INPUT_MULTI_TOUCH_TYPE_CANCEL &&
        kind != INPUT_MULTI_TOUCH_TYPE_END)
    {
        g_dbus_method_invocation_return_error(
            invocation, DBUS_DISPLAY_ERROR,
            DBUS_DISPLAY_ERROR_INVALID,
            "Invalid touch event kind");
        return DBUS_METHOD_INVOCATION_HANDLED;
    }
    width = qemu_console_get_width(ddc->dcl.con, 0);
    height = qemu_console_get_height(ddc->dcl.con, 0);

    console_handle_touch_event(ddc->dcl.con, touch_slots,
                               num_slot, width, height,
                               x, y, kind, &error);
    if (error != NULL) {
        g_dbus_method_invocation_return_error(
            invocation, DBUS_DISPLAY_ERROR,
            DBUS_DISPLAY_ERROR_INVALID,
            error_get_pretty(error), NULL);
        error_free(error);
    } else {
        qemu_dbus_display1_multi_touch_complete_send_event(ddc->iface_touch,
                                                           invocation);
    }
    return DBUS_METHOD_INVOCATION_HANDLED;
}

static gboolean
dbus_mouse_set_pos(DBusDisplayConsole *ddc,
                   GDBusMethodInvocation *invocation,
                   guint x, guint y)
{
    int width, height;

    trace_dbus_mouse_set_pos(x, y);

    if (!qemu_input_is_absolute()) {
        g_dbus_method_invocation_return_error(
            invocation, DBUS_DISPLAY_ERROR,
            DBUS_DISPLAY_ERROR_INVALID,
            "Mouse is not absolute");
        return DBUS_METHOD_INVOCATION_HANDLED;
    }

    width = qemu_console_get_width(ddc->dcl.con, 0);
    height = qemu_console_get_height(ddc->dcl.con, 0);
    if (x >= width || y >= height) {
        g_dbus_method_invocation_return_error(
            invocation, DBUS_DISPLAY_ERROR,
            DBUS_DISPLAY_ERROR_INVALID,
            "Invalid mouse position");
        return DBUS_METHOD_INVOCATION_HANDLED;
    }
    qemu_input_queue_abs(ddc->dcl.con, INPUT_AXIS_X, x, 0, width);
    qemu_input_queue_abs(ddc->dcl.con, INPUT_AXIS_Y, y, 0, height);
    qemu_input_event_sync();

    qemu_dbus_display1_mouse_complete_set_abs_position(ddc->iface_mouse,
                                                          invocation);

    return DBUS_METHOD_INVOCATION_HANDLED;
}

static gboolean
dbus_mouse_press(DBusDisplayConsole *ddc,
                 GDBusMethodInvocation *invocation,
                 guint button)
{
    trace_dbus_mouse_press(button);

    qemu_input_queue_btn(ddc->dcl.con, button, true);
    qemu_input_event_sync();

    qemu_dbus_display1_mouse_complete_press(ddc->iface_mouse, invocation);

    return DBUS_METHOD_INVOCATION_HANDLED;
}

static gboolean
dbus_mouse_release(DBusDisplayConsole *ddc,
                   GDBusMethodInvocation *invocation,
                   guint button)
{
    trace_dbus_mouse_release(button);

    qemu_input_queue_btn(ddc->dcl.con, button, false);
    qemu_input_event_sync();

    qemu_dbus_display1_mouse_complete_release(ddc->iface_mouse, invocation);

    return DBUS_METHOD_INVOCATION_HANDLED;
}

static void
dbus_mouse_update_is_absolute(DBusDisplayConsole *ddc)
{
    g_object_set(ddc->iface_mouse,
                 "is-absolute", qemu_input_is_absolute(),
                 NULL);
}

static void
dbus_mouse_mode_change(Notifier *notify, void *data)
{
    DBusDisplayConsole *ddc =
        container_of(notify, DBusDisplayConsole, mouse_mode_notifier);

    dbus_mouse_update_is_absolute(ddc);
}

int dbus_display_console_get_index(DBusDisplayConsole *ddc)
{
    return qemu_console_get_index(ddc->dcl.con);
}

DBusDisplayConsole *
dbus_display_console_new(DBusDisplay *display, QemuConsole *con)
{
    g_autofree char *path = NULL;
    g_autofree char *label = NULL;
    char device_addr[256] = "";
    DBusDisplayConsole *ddc;
    int idx, i;
    const char *interfaces[] = {
        "org.qemu.Display1.Keyboard",
        "org.qemu.Display1.Mouse",
        "org.qemu.Display1.MultiTouch",
        NULL
    };

    assert(display);
    assert(con);

    label = qemu_console_get_label(con);
    idx = qemu_console_get_index(con);
    path = g_strdup_printf(DBUS_DISPLAY1_ROOT "/Console_%d", idx);
    ddc = g_object_new(DBUS_DISPLAY_TYPE_CONSOLE,
                        "g-object-path", path,
                        NULL);
    ddc->display = display;
    ddc->dcl.con = con;
    /* handle errors, and skip non graphics? */
    qemu_console_fill_device_address(
        con, device_addr, sizeof(device_addr), NULL);

    ddc->iface = qemu_dbus_display1_console_skeleton_new();
    g_object_set(ddc->iface,
        "label", label,
        "type", qemu_console_is_graphic(con) ? "Graphic" : "Text",
        "head", qemu_console_get_head(con),
        "width", qemu_console_get_width(con, 0),
        "height", qemu_console_get_height(con, 0),
        "device-address", device_addr,
        "interfaces", interfaces,
        NULL);
    g_object_connect(ddc->iface,
        "swapped-signal::handle-register-listener",
        dbus_console_register_listener, ddc,
        "swapped-signal::handle-set-uiinfo",
        dbus_console_set_ui_info, ddc,
        NULL);
    g_dbus_object_skeleton_add_interface(G_DBUS_OBJECT_SKELETON(ddc),
        G_DBUS_INTERFACE_SKELETON(ddc->iface));

    ddc->kbd = qkbd_state_init(con);
    ddc->iface_kbd = qemu_dbus_display1_keyboard_skeleton_new();
    qemu_add_led_event_handler(dbus_kbd_qemu_leds_updated, ddc);
    g_object_connect(ddc->iface_kbd,
        "swapped-signal::handle-press", dbus_kbd_press, ddc,
        "swapped-signal::handle-release", dbus_kbd_release, ddc,
        NULL);
    g_dbus_object_skeleton_add_interface(G_DBUS_OBJECT_SKELETON(ddc),
        G_DBUS_INTERFACE_SKELETON(ddc->iface_kbd));

    ddc->iface_mouse = qemu_dbus_display1_mouse_skeleton_new();
    g_object_connect(ddc->iface_mouse,
        "swapped-signal::handle-set-abs-position", dbus_mouse_set_pos, ddc,
        "swapped-signal::handle-rel-motion", dbus_mouse_rel_motion, ddc,
        "swapped-signal::handle-press", dbus_mouse_press, ddc,
        "swapped-signal::handle-release", dbus_mouse_release, ddc,
        NULL);
    g_dbus_object_skeleton_add_interface(G_DBUS_OBJECT_SKELETON(ddc),
        G_DBUS_INTERFACE_SKELETON(ddc->iface_mouse));

    ddc->iface_touch = qemu_dbus_display1_multi_touch_skeleton_new();
    g_object_connect(ddc->iface_touch,
        "swapped-signal::handle-send-event", dbus_touch_send_event, ddc,
        NULL);
    qemu_dbus_display1_multi_touch_set_max_slots(ddc->iface_touch,
                                                 INPUT_EVENT_SLOTS_MAX);
    g_dbus_object_skeleton_add_interface(G_DBUS_OBJECT_SKELETON(ddc),
        G_DBUS_INTERFACE_SKELETON(ddc->iface_touch));

    for (i = 0; i < INPUT_EVENT_SLOTS_MAX; i++) {
        struct touch_slot *slot = &touch_slots[i];
        slot->tracking_id = -1;
    }

    register_displaychangelistener(&ddc->dcl);
    ddc->mouse_mode_notifier.notify = dbus_mouse_mode_change;
    qemu_add_mouse_mode_change_notifier(&ddc->mouse_mode_notifier);
    dbus_mouse_update_is_absolute(ddc);

    return ddc;
}
Commit	Line	Data
142ca628 MAL	1	/*
	2	* QEMU DBus display console
	3	*
	4	* Copyright (c) 2021 Marc-André Lureau <marcandre.lureau@redhat.com>
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
	7	* of this software and associated documentation files (the "Software"), to deal
	8	* in the Software without restriction, including without limitation the rights
	9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	10	* copies of the Software, and to permit persons to whom the Software is
	11	* furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	22	* THE SOFTWARE.
	23	*/
	24	#include "qemu/osdep.h"
5feed38c	25	#include "qemu/error-report.h"
142ca628 MAL	26	#include "qapi/error.h"
	27	#include "ui/input.h"
	28	#include "ui/kbd-state.h"
	29	#include "trace.h"
	30
29c5c7e5	31	#ifdef G_OS_UNIX
142ca628	32	#include <gio/gunixfdlist.h>
29c5c7e5	33	#endif
142ca628 MAL	34
	35	#include "dbus.h"
	36
de9f844c BE	37	static struct touch_slot touch_slots[INPUT_EVENT_SLOTS_MAX];
de9f844c BE	38
142ca628 MAL	39	struct _DBusDisplayConsole {
	40	GDBusObjectSkeleton parent_instance;
	41	DisplayChangeListener dcl;
	42
	43	DBusDisplay *display;
142ca628 MAL	44	GHashTable *listeners;
	45	QemuDBusDisplay1Console *iface;
	46
	47	QemuDBusDisplay1Keyboard *iface_kbd;
	48	QKbdState *kbd;
	49
	50	QemuDBusDisplay1Mouse *iface_mouse;
de9f844c	51	QemuDBusDisplay1MultiTouch *iface_touch;
142ca628 MAL	52	gboolean last_set;
	53	guint last_x;
	54	guint last_y;
	55	Notifier mouse_mode_notifier;
	56	};
	57
	58	G_DEFINE_TYPE(DBusDisplayConsole,
	59	dbus_display_console,
	60	G_TYPE_DBUS_OBJECT_SKELETON)
	61
	62	static void
	63	dbus_display_console_set_size(DBusDisplayConsole *ddc,
	64	uint32_t width, uint32_t height)
	65	{
	66	g_object_set(ddc->iface,
	67	"width", width,
	68	"height", height,
	69	NULL);
	70	}
	71
	72	static void
	73	dbus_gfx_switch(DisplayChangeListener *dcl,
	74	struct DisplaySurface *new_surface)
	75	{
	76	DBusDisplayConsole *ddc = container_of(dcl, DBusDisplayConsole, dcl);
	77
	78	dbus_display_console_set_size(ddc,
	79	surface_width(new_surface),
	80	surface_height(new_surface));
	81	}
	82
	83	static void
	84	dbus_gfx_update(DisplayChangeListener *dcl,
	85	int x, int y, int w, int h)
	86	{
	87	}
	88
	89	static void
	90	dbus_gl_scanout_disable(DisplayChangeListener *dcl)
	91	{
	92	}
	93
	94	static void
	95	dbus_gl_scanout_texture(DisplayChangeListener *dcl,
	96	uint32_t tex_id,
	97	bool backing_y_0_top,
	98	uint32_t backing_width,
	99	uint32_t backing_height,
	100	uint32_t x, uint32_t y,
	101	uint32_t w, uint32_t h)
	102	{
	103	DBusDisplayConsole *ddc = container_of(dcl, DBusDisplayConsole, dcl);
	104
	105	dbus_display_console_set_size(ddc, w, h);
	106	}
	107
	108	static void
	109	dbus_gl_scanout_dmabuf(DisplayChangeListener *dcl,
	110	QemuDmaBuf *dmabuf)
	111	{
	112	DBusDisplayConsole *ddc = container_of(dcl, DBusDisplayConsole, dcl);
	113
	114	dbus_display_console_set_size(ddc,
	115	dmabuf->width,
116	dmabuf->height);
117	}
118
119	static void
120	dbus_gl_scanout_update(DisplayChangeListener *dcl,
121	uint32_t x, uint32_t y,
122	uint32_t w, uint32_t h)
123	{
124	}
125
417a2319	126	const DisplayChangeListenerOps dbus_console_dcl_ops = {
142ca628 MAL	127	.dpy_name = "dbus-console",
	128	.dpy_gfx_switch = dbus_gfx_switch,
	129	.dpy_gfx_update = dbus_gfx_update,
	130	.dpy_gl_scanout_disable = dbus_gl_scanout_disable,
	131	.dpy_gl_scanout_texture = dbus_gl_scanout_texture,
	132	.dpy_gl_scanout_dmabuf = dbus_gl_scanout_dmabuf,
	133	.dpy_gl_update = dbus_gl_scanout_update,
	134	};
	135
	136	static void
	137	dbus_display_console_init(DBusDisplayConsole *object)
	138	{
	139	DBusDisplayConsole *ddc = DBUS_DISPLAY_CONSOLE(object);
	140
	141	ddc->listeners = g_hash_table_new_full(g_str_hash, g_str_equal,
	142	NULL, g_object_unref);
	143	ddc->dcl.ops = &dbus_console_dcl_ops;
	144	}
	145
	146	static void
	147	dbus_display_console_dispose(GObject *object)
	148	{
	149	DBusDisplayConsole *ddc = DBUS_DISPLAY_CONSOLE(object);
	150
	151	unregister_displaychangelistener(&ddc->dcl);
	152	g_clear_object(&ddc->iface_kbd);
	153	g_clear_object(&ddc->iface);
	154	g_clear_pointer(&ddc->listeners, g_hash_table_unref);
	155	g_clear_pointer(&ddc->kbd, qkbd_state_free);
	156
	157	G_OBJECT_CLASS(dbus_display_console_parent_class)->dispose(object);
	158	}
	159
	160	static void
	161	dbus_display_console_class_init(DBusDisplayConsoleClass *klass)
	162	{
	163	GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
	164
	165	gobject_class->dispose = dbus_display_console_dispose;
	166	}
	167
	168	static void
	169	listener_vanished_cb(DBusDisplayListener *listener)
	170	{
	171	DBusDisplayConsole *ddc = dbus_display_listener_get_console(listener);
	172	const char *name = dbus_display_listener_get_bus_name(listener);
	173
	174	trace_dbus_listener_vanished(name);
	175
	176	g_hash_table_remove(ddc->listeners, name);
	177	qkbd_state_lift_all_keys(ddc->kbd);
	178	}
	179
	180	static gboolean
	181	dbus_console_set_ui_info(DBusDisplayConsole *ddc,
	182	GDBusMethodInvocation *invocation,
	183	guint16 arg_width_mm,
	184	guint16 arg_height_mm,
	185	gint arg_xoff,
	186	gint arg_yoff,
	187	guint arg_width,
	188	guint arg_height)
	189	{
	190	QemuUIInfo info = {
191	.width_mm = arg_width_mm,
192	.height_mm = arg_height_mm,
193	.xoff = arg_xoff,
194	.yoff = arg_yoff,
195	.width = arg_width,
196	.height = arg_height,
197	};
198
417a2319	199	if (!dpy_ui_info_supported(ddc->dcl.con)) {
142ca628 MAL	200	g_dbus_method_invocation_return_error(invocation,
	201	DBUS_DISPLAY_ERROR,
	202	DBUS_DISPLAY_ERROR_UNSUPPORTED,
	203	"SetUIInfo is not supported");
	204	return DBUS_METHOD_INVOCATION_HANDLED;
	205	}
	206
417a2319	207	dpy_set_ui_info(ddc->dcl.con, &info, false);
142ca628 MAL	208	qemu_dbus_display1_console_complete_set_uiinfo(ddc->iface, invocation);
	209	return DBUS_METHOD_INVOCATION_HANDLED;
	210	}
	211
6cc5a615 MAL	212	#ifdef G_OS_WIN32
	213	bool
	214	dbus_win32_import_socket(GDBusMethodInvocation *invocation,
	215	GVariant arg_listener, int socket)
	216	{
	217	gsize n;
	218	WSAPROTOCOL_INFOW info = (void )g_variant_get_fixed_array(arg_listener, &n, 1);
	219
	220	if (!info \|\| n != sizeof(*info)) {
	221	g_dbus_method_invocation_return_error(
	222	invocation,
	223	DBUS_DISPLAY_ERROR,
	224	DBUS_DISPLAY_ERROR_FAILED,
	225	"Failed to get socket infos");
	226	return false;
	227	}
	228
	229	*socket = WSASocketW(FROM_PROTOCOL_INFO,
	230	FROM_PROTOCOL_INFO,
	231	FROM_PROTOCOL_INFO,
	232	info, 0, 0);
	233	if (*socket == INVALID_SOCKET) {
	234	g_autofree gchar *emsg = g_win32_error_message(WSAGetLastError());
	235	g_dbus_method_invocation_return_error(
	236	invocation,
	237	DBUS_DISPLAY_ERROR,
	238	DBUS_DISPLAY_ERROR_FAILED,
	239	"Couldn't create socket: %s", emsg);
	240	return false;
	241	}
	242
	243	return true;
	244	}
	245	#endif
	246
142ca628 MAL	247	static gboolean
	248	dbus_console_register_listener(DBusDisplayConsole *ddc,
	249	GDBusMethodInvocation *invocation,
6cc5a615	250	#ifdef G_OS_UNIX
142ca628	251	GUnixFDList *fd_list,
6cc5a615	252	#endif
142ca628 MAL	253	GVariant *arg_listener)
	254	{
	255	const char *sender = g_dbus_method_invocation_get_sender(invocation);
	256	GDBusConnection *listener_conn;
	257	g_autoptr(GError) err = NULL;
	258	g_autoptr(GSocket) socket = NULL;
	259	g_autoptr(GSocketConnection) socket_conn = NULL;
	260	g_autofree char *guid = g_dbus_generate_guid();
	261	DBusDisplayListener *listener;
	262	int fd;
	263
99997823	264	if (sender && g_hash_table_contains(ddc->listeners, sender)) {
142ca628 MAL	265	g_dbus_method_invocation_return_error(
	266	invocation,
	267	DBUS_DISPLAY_ERROR,
	268	DBUS_DISPLAY_ERROR_INVALID,
	269	"`%s` is already registered!",
	270	sender);
	271	return DBUS_METHOD_INVOCATION_HANDLED;
	272	}
	273
6cc5a615 MAL	274	#ifdef G_OS_WIN32
	275	if (!dbus_win32_import_socket(invocation, arg_listener, &fd)) {
	276	return DBUS_METHOD_INVOCATION_HANDLED;
	277	}
	278	#else
142ca628 MAL	279	fd = g_unix_fd_list_get(fd_list, g_variant_get_handle(arg_listener), &err);
	280	if (err) {
	281	g_dbus_method_invocation_return_error(
	282	invocation,
	283	DBUS_DISPLAY_ERROR,
	284	DBUS_DISPLAY_ERROR_FAILED,
	285	"Couldn't get peer fd: %s", err->message);
	286	return DBUS_METHOD_INVOCATION_HANDLED;
	287	}
6cc5a615	288	#endif
142ca628 MAL	289
	290	socket = g_socket_new_from_fd(fd, &err);
	291	if (err) {
	292	g_dbus_method_invocation_return_error(
	293	invocation,
	294	DBUS_DISPLAY_ERROR,
	295	DBUS_DISPLAY_ERROR_FAILED,
	296	"Couldn't make a socket: %s", err->message);
6cc5a615 MAL	297	#ifdef G_OS_WIN32
	298	closesocket(fd);
	299	#else
142ca628	300	close(fd);
6cc5a615	301	#endif
142ca628 MAL	302	return DBUS_METHOD_INVOCATION_HANDLED;
	303	}
	304	socket_conn = g_socket_connection_factory_create_connection(socket);
	305
	306	qemu_dbus_display1_console_complete_register_listener(
6cc5a615 MAL	307	ddc->iface, invocation
	308	#ifdef G_OS_UNIX
	309	, NULL
	310	#endif
	311	);
142ca628 MAL	312
	313	listener_conn = g_dbus_connection_new_sync(
	314	G_IO_STREAM(socket_conn),
	315	guid,
	316	G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_SERVER,
	317	NULL, NULL, &err);
	318	if (err) {
	319	error_report("Failed to setup peer connection: %s", err->message);
	320	return DBUS_METHOD_INVOCATION_HANDLED;
	321	}
	322
	323	listener = dbus_display_listener_new(sender, listener_conn, ddc);
	324	if (!listener) {
	325	return DBUS_METHOD_INVOCATION_HANDLED;
	326	}
	327
	328	g_hash_table_insert(ddc->listeners,
	329	(gpointer)dbus_display_listener_get_bus_name(listener),
	330	listener);
	331	g_object_connect(listener_conn,
	332	"swapped-signal::closed", listener_vanished_cb, listener,
	333	NULL);
	334
	335	trace_dbus_registered_listener(sender);
	336	return DBUS_METHOD_INVOCATION_HANDLED;
	337	}
	338
	339	static gboolean
	340	dbus_kbd_press(DBusDisplayConsole *ddc,
	341	GDBusMethodInvocation *invocation,
	342	guint arg_keycode)
	343	{
	344	QKeyCode qcode = qemu_input_key_number_to_qcode(arg_keycode);
	345
	346	trace_dbus_kbd_press(arg_keycode);
	347
	348	qkbd_state_key_event(ddc->kbd, qcode, true);
	349
	350	qemu_dbus_display1_keyboard_complete_press(ddc->iface_kbd, invocation);
	351
	352	return DBUS_METHOD_INVOCATION_HANDLED;
	353	}
	354
	355	static gboolean
	356	dbus_kbd_release(DBusDisplayConsole *ddc,
	357	GDBusMethodInvocation *invocation,
	358	guint arg_keycode)
	359	{
	360	QKeyCode qcode = qemu_input_key_number_to_qcode(arg_keycode);
	361
	362	trace_dbus_kbd_release(arg_keycode);
	363
	364	qkbd_state_key_event(ddc->kbd, qcode, false);
	365
	366	qemu_dbus_display1_keyboard_complete_release(ddc->iface_kbd, invocation);
	367
	368	return DBUS_METHOD_INVOCATION_HANDLED;
	369	}
	370
	371	static void
	372	dbus_kbd_qemu_leds_updated(void *data, int ledstate)
	373	{
	374	DBusDisplayConsole *ddc = DBUS_DISPLAY_CONSOLE(data);
	375
376	qemu_dbus_display1_keyboard_set_modifiers(ddc->iface_kbd, ledstate);
377	}
378
379	static gboolean
380	dbus_mouse_rel_motion(DBusDisplayConsole *ddc,
381	GDBusMethodInvocation *invocation,
382	int dx, int dy)
383	{
384	trace_dbus_mouse_rel_motion(dx, dy);
385
386	if (qemu_input_is_absolute()) {
387	g_dbus_method_invocation_return_error(
388	invocation, DBUS_DISPLAY_ERROR,
389	DBUS_DISPLAY_ERROR_INVALID,
390	"Mouse is not relative");
391	return DBUS_METHOD_INVOCATION_HANDLED;
392	}
393
417a2319 MAL	394	qemu_input_queue_rel(ddc->dcl.con, INPUT_AXIS_X, dx);
417a2319 MAL	395	qemu_input_queue_rel(ddc->dcl.con, INPUT_AXIS_Y, dy);
142ca628 MAL	396	qemu_input_event_sync();
	397
	398	qemu_dbus_display1_mouse_complete_rel_motion(ddc->iface_mouse,
	399	invocation);
	400
	401	return DBUS_METHOD_INVOCATION_HANDLED;
	402	}
	403
de9f844c BE	404	static gboolean
	405	dbus_touch_send_event(DBusDisplayConsole *ddc,
	406	GDBusMethodInvocation *invocation,
	407	guint kind, uint64_t num_slot,
	408	double x, double y)
	409	{
	410	Error *error = NULL;
	411	int width, height;
	412	trace_dbus_touch_send_event(kind, num_slot, x, y);
	413
	414	if (kind != INPUT_MULTI_TOUCH_TYPE_BEGIN &&
	415	kind != INPUT_MULTI_TOUCH_TYPE_UPDATE &&
	416	kind != INPUT_MULTI_TOUCH_TYPE_CANCEL &&
	417	kind != INPUT_MULTI_TOUCH_TYPE_END)
	418	{
	419	g_dbus_method_invocation_return_error(
	420	invocation, DBUS_DISPLAY_ERROR,
	421	DBUS_DISPLAY_ERROR_INVALID,
	422	"Invalid touch event kind");
	423	return DBUS_METHOD_INVOCATION_HANDLED;
	424	}
	425	width = qemu_console_get_width(ddc->dcl.con, 0);
	426	height = qemu_console_get_height(ddc->dcl.con, 0);
	427
	428	console_handle_touch_event(ddc->dcl.con, touch_slots,
	429	num_slot, width, height,
	430	x, y, kind, &error);
	431	if (error != NULL) {
	432	g_dbus_method_invocation_return_error(
	433	invocation, DBUS_DISPLAY_ERROR,
	434	DBUS_DISPLAY_ERROR_INVALID,
	435	error_get_pretty(error), NULL);
	436	error_free(error);
	437	} else {
	438	qemu_dbus_display1_multi_touch_complete_send_event(ddc->iface_touch,
	439	invocation);
	440	}
	441	return DBUS_METHOD_INVOCATION_HANDLED;
	442	}
	443
142ca628 MAL	444	static gboolean
	445	dbus_mouse_set_pos(DBusDisplayConsole *ddc,
	446	GDBusMethodInvocation *invocation,
	447	guint x, guint y)
	448	{
	449	int width, height;
	450
	451	trace_dbus_mouse_set_pos(x, y);
	452
	453	if (!qemu_input_is_absolute()) {
	454	g_dbus_method_invocation_return_error(
	455	invocation, DBUS_DISPLAY_ERROR,
	456	DBUS_DISPLAY_ERROR_INVALID,
	457	"Mouse is not absolute");
	458	return DBUS_METHOD_INVOCATION_HANDLED;
	459	}
	460
417a2319 MAL	461	width = qemu_console_get_width(ddc->dcl.con, 0);
417a2319 MAL	462	height = qemu_console_get_height(ddc->dcl.con, 0);
142ca628 MAL	463	if (x >= width \|\| y >= height) {
	464	g_dbus_method_invocation_return_error(
	465	invocation, DBUS_DISPLAY_ERROR,
	466	DBUS_DISPLAY_ERROR_INVALID,
	467	"Invalid mouse position");
	468	return DBUS_METHOD_INVOCATION_HANDLED;
	469	}
417a2319 MAL	470	qemu_input_queue_abs(ddc->dcl.con, INPUT_AXIS_X, x, 0, width);
417a2319 MAL	471	qemu_input_queue_abs(ddc->dcl.con, INPUT_AXIS_Y, y, 0, height);
142ca628 MAL	472	qemu_input_event_sync();
	473
	474	qemu_dbus_display1_mouse_complete_set_abs_position(ddc->iface_mouse,
	475	invocation);
	476
	477	return DBUS_METHOD_INVOCATION_HANDLED;
	478	}
	479
	480	static gboolean
	481	dbus_mouse_press(DBusDisplayConsole *ddc,
	482	GDBusMethodInvocation *invocation,
	483	guint button)
	484	{
	485	trace_dbus_mouse_press(button);
	486
417a2319	487	qemu_input_queue_btn(ddc->dcl.con, button, true);
142ca628 MAL	488	qemu_input_event_sync();
	489
	490	qemu_dbus_display1_mouse_complete_press(ddc->iface_mouse, invocation);
	491
	492	return DBUS_METHOD_INVOCATION_HANDLED;
	493	}
	494
	495	static gboolean
	496	dbus_mouse_release(DBusDisplayConsole *ddc,
	497	GDBusMethodInvocation *invocation,
	498	guint button)
	499	{
	500	trace_dbus_mouse_release(button);
	501
417a2319	502	qemu_input_queue_btn(ddc->dcl.con, button, false);
142ca628 MAL	503	qemu_input_event_sync();
	504
	505	qemu_dbus_display1_mouse_complete_release(ddc->iface_mouse, invocation);
	506
	507	return DBUS_METHOD_INVOCATION_HANDLED;
	508	}
	509
eb9062d4 MAL	510	static void
	511	dbus_mouse_update_is_absolute(DBusDisplayConsole *ddc)
	512	{
	513	g_object_set(ddc->iface_mouse,
	514	"is-absolute", qemu_input_is_absolute(),
	515	NULL);
	516	}
	517
142ca628 MAL	518	static void
	519	dbus_mouse_mode_change(Notifier notify, void data)
	520	{
	521	DBusDisplayConsole *ddc =
	522	container_of(notify, DBusDisplayConsole, mouse_mode_notifier);
	523
eb9062d4	524	dbus_mouse_update_is_absolute(ddc);
142ca628 MAL	525	}
	526
	527	int dbus_display_console_get_index(DBusDisplayConsole *ddc)
	528	{
417a2319	529	return qemu_console_get_index(ddc->dcl.con);
142ca628 MAL	530	}
	531
	532	DBusDisplayConsole *
	533	dbus_display_console_new(DBusDisplay display, QemuConsole con)
	534	{
	535	g_autofree char *path = NULL;
	536	g_autofree char *label = NULL;
	537	char device_addr[256] = "";
	538	DBusDisplayConsole *ddc;
de9f844c	539	int idx, i;
439e0164 MAL	540	const char *interfaces[] = {
	541	"org.qemu.Display1.Keyboard",
	542	"org.qemu.Display1.Mouse",
	543	"org.qemu.Display1.MultiTouch",
	544	NULL
	545	};
142ca628 MAL	546
	547	assert(display);
	548	assert(con);
	549
	550	label = qemu_console_get_label(con);
	551	idx = qemu_console_get_index(con);
	552	path = g_strdup_printf(DBUS_DISPLAY1_ROOT "/Console_%d", idx);
	553	ddc = g_object_new(DBUS_DISPLAY_TYPE_CONSOLE,
	554	"g-object-path", path,
	555	NULL);
	556	ddc->display = display;
417a2319	557	ddc->dcl.con = con;
142ca628 MAL	558	/* handle errors, and skip non graphics? */
	559	qemu_console_fill_device_address(
	560	con, device_addr, sizeof(device_addr), NULL);
	561
	562	ddc->iface = qemu_dbus_display1_console_skeleton_new();
	563	g_object_set(ddc->iface,
	564	"label", label,
	565	"type", qemu_console_is_graphic(con) ? "Graphic" : "Text",
	566	"head", qemu_console_get_head(con),
	567	"width", qemu_console_get_width(con, 0),
	568	"height", qemu_console_get_height(con, 0),
	569	"device-address", device_addr,
439e0164	570	"interfaces", interfaces,
142ca628 MAL	571	NULL);
	572	g_object_connect(ddc->iface,
	573	"swapped-signal::handle-register-listener",
	574	dbus_console_register_listener, ddc,
	575	"swapped-signal::handle-set-uiinfo",
	576	dbus_console_set_ui_info, ddc,
	577	NULL);
	578	g_dbus_object_skeleton_add_interface(G_DBUS_OBJECT_SKELETON(ddc),
	579	G_DBUS_INTERFACE_SKELETON(ddc->iface));
	580
	581	ddc->kbd = qkbd_state_init(con);
	582	ddc->iface_kbd = qemu_dbus_display1_keyboard_skeleton_new();
	583	qemu_add_led_event_handler(dbus_kbd_qemu_leds_updated, ddc);
	584	g_object_connect(ddc->iface_kbd,
	585	"swapped-signal::handle-press", dbus_kbd_press, ddc,
	586	"swapped-signal::handle-release", dbus_kbd_release, ddc,
	587	NULL);
	588	g_dbus_object_skeleton_add_interface(G_DBUS_OBJECT_SKELETON(ddc),
	589	G_DBUS_INTERFACE_SKELETON(ddc->iface_kbd));
	590
	591	ddc->iface_mouse = qemu_dbus_display1_mouse_skeleton_new();
	592	g_object_connect(ddc->iface_mouse,
	593	"swapped-signal::handle-set-abs-position", dbus_mouse_set_pos, ddc,
	594	"swapped-signal::handle-rel-motion", dbus_mouse_rel_motion, ddc,
	595	"swapped-signal::handle-press", dbus_mouse_press, ddc,
	596	"swapped-signal::handle-release", dbus_mouse_release, ddc,
	597	NULL);
	598	g_dbus_object_skeleton_add_interface(G_DBUS_OBJECT_SKELETON(ddc),
	599	G_DBUS_INTERFACE_SKELETON(ddc->iface_mouse));
	600
de9f844c BE	601	ddc->iface_touch = qemu_dbus_display1_multi_touch_skeleton_new();
	602	g_object_connect(ddc->iface_touch,
	603	"swapped-signal::handle-send-event", dbus_touch_send_event, ddc,
	604	NULL);
	605	qemu_dbus_display1_multi_touch_set_max_slots(ddc->iface_touch,
	606	INPUT_EVENT_SLOTS_MAX);
	607	g_dbus_object_skeleton_add_interface(G_DBUS_OBJECT_SKELETON(ddc),
	608	G_DBUS_INTERFACE_SKELETON(ddc->iface_touch));
	609
	610	for (i = 0; i < INPUT_EVENT_SLOTS_MAX; i++) {
	611	struct touch_slot *slot = &touch_slots[i];
	612	slot->tracking_id = -1;
	613	}
	614
142ca628 MAL	615	register_displaychangelistener(&ddc->dcl);
	616	ddc->mouse_mode_notifier.notify = dbus_mouse_mode_change;
	617	qemu_add_mouse_mode_change_notifier(&ddc->mouse_mode_notifier);
eb9062d4	618	dbus_mouse_update_is_absolute(ddc);
142ca628 MAL	619
	620	return ddc;
	621	}