mirror of
https://gitlab.gnome.org/GNOME/libmks.git
synced 2024-08-25 01:31:16 +00:00
742 lines
21 KiB
C
742 lines
21 KiB
C
/*
|
|
* mks-screen.c
|
|
*
|
|
* Copyright 2023 Christian Hergert <chergert@redhat.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as
|
|
* published by the Free Software Foundation; either version 2.1 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* SPDX-License-Identifier: LGPL-2.1-or-later
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <errno.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <glib/gstdio.h>
|
|
|
|
#include "mks-device-private.h"
|
|
#include "mks-enums.h"
|
|
#include "mks-qemu.h"
|
|
#include "mks-keyboard-private.h"
|
|
#include "mks-mouse-private.h"
|
|
#include "mks-paintable-private.h"
|
|
#include "mks-screen-attributes-private.h"
|
|
#include "mks-screen.h"
|
|
#include "mks-touchable.h"
|
|
|
|
struct _MksScreenClass
|
|
{
|
|
MksDeviceClass parent_class;
|
|
};
|
|
|
|
struct _MksScreen
|
|
{
|
|
MksDevice parent_instance;
|
|
|
|
MksQemuConsole *console;
|
|
gulong console_notify_handler;
|
|
|
|
MksKeyboard *keyboard;
|
|
MksMouse *mouse;
|
|
MksTouchable *touchable;
|
|
|
|
guint number;
|
|
guint width;
|
|
guint height;
|
|
|
|
MksScreenKind kind : 2;
|
|
};
|
|
|
|
G_DEFINE_FINAL_TYPE (MksScreen, mks_screen, MKS_TYPE_DEVICE)
|
|
|
|
enum {
|
|
PROP_0,
|
|
PROP_DEVICE_ADDRESS,
|
|
PROP_HEIGHT,
|
|
PROP_KIND,
|
|
PROP_KEYBOARD,
|
|
PROP_MOUSE,
|
|
PROP_NUMBER,
|
|
PROP_WIDTH,
|
|
N_PROPS
|
|
};
|
|
|
|
static GParamSpec *properties [N_PROPS];
|
|
|
|
static void
|
|
mks_screen_set_width (MksScreen *self,
|
|
guint width)
|
|
{
|
|
g_assert (MKS_IS_SCREEN (self));
|
|
|
|
if (self->width != width)
|
|
{
|
|
self->width = width;
|
|
g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_WIDTH]);
|
|
}
|
|
}
|
|
|
|
static void
|
|
mks_screen_set_height (MksScreen *self,
|
|
guint height)
|
|
{
|
|
g_assert (MKS_IS_SCREEN (self));
|
|
|
|
if (self->height != height)
|
|
{
|
|
self->height = height;
|
|
g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_HEIGHT]);
|
|
}
|
|
}
|
|
|
|
static void
|
|
mks_screen_set_number (MksScreen *self,
|
|
guint number)
|
|
{
|
|
g_assert (MKS_IS_SCREEN (self));
|
|
|
|
if (self->number != number)
|
|
{
|
|
self->number = number;
|
|
g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_NUMBER]);
|
|
}
|
|
}
|
|
|
|
static void
|
|
mks_screen_set_type (MksScreen *self,
|
|
const char *type)
|
|
{
|
|
MksScreenKind kind;
|
|
|
|
g_assert (MKS_IS_SCREEN (self));
|
|
|
|
kind = MKS_SCREEN_KIND_TEXT;
|
|
|
|
if (strcmp (type, "Graphic") == 0)
|
|
kind = MKS_SCREEN_KIND_GRAPHIC;
|
|
|
|
if (kind != self->kind)
|
|
{
|
|
self->kind = kind;
|
|
g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_KIND]);
|
|
}
|
|
}
|
|
|
|
static void
|
|
mks_screen_console_notify_cb (MksScreen *self,
|
|
GParamSpec *pspec,
|
|
MksQemuConsole *console)
|
|
{
|
|
g_assert (MKS_IS_SCREEN (self));
|
|
g_assert (pspec != NULL);
|
|
g_assert (MKS_QEMU_IS_CONSOLE (console));
|
|
|
|
if (strcmp (pspec->name, "label") == 0)
|
|
_mks_device_set_name (MKS_DEVICE (self), mks_qemu_console_get_label (console));
|
|
else if (strcmp (pspec->name, "width") == 0)
|
|
mks_screen_set_width (self, mks_qemu_console_get_width (console));
|
|
else if (strcmp (pspec->name, "height") == 0)
|
|
mks_screen_set_height (self, mks_qemu_console_get_height (console));
|
|
else if (strcmp (pspec->name, "number") == 0)
|
|
mks_screen_set_number (self, mks_qemu_console_get_head (console));
|
|
else if (strcmp (pspec->name, "type") == 0)
|
|
mks_screen_set_type (self, mks_qemu_console_get_type_ ((console)));
|
|
}
|
|
|
|
static void
|
|
mks_screen_set_console (MksScreen *self,
|
|
MksQemuConsole *console)
|
|
{
|
|
g_assert (MKS_IS_SCREEN (self));
|
|
g_assert (!console || MKS_QEMU_IS_CONSOLE (console));
|
|
|
|
if (self->console != NULL)
|
|
return;
|
|
|
|
if (g_set_object (&self->console, console))
|
|
{
|
|
_mks_device_set_name (MKS_DEVICE (self), mks_qemu_console_get_label (console));
|
|
|
|
self->console_notify_handler =
|
|
g_signal_connect_object (console,
|
|
"notify",
|
|
G_CALLBACK (mks_screen_console_notify_cb),
|
|
self,
|
|
G_CONNECT_SWAPPED);
|
|
|
|
mks_screen_set_type (self, mks_qemu_console_get_type_ ((console)));
|
|
mks_screen_set_width (self, mks_qemu_console_get_width (console));
|
|
mks_screen_set_height (self, mks_qemu_console_get_height (console));
|
|
mks_screen_set_number (self, mks_qemu_console_get_head (console));
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
mks_screen_setup (MksDevice *device,
|
|
MksQemuObject *object)
|
|
{
|
|
MksScreen *self = (MksScreen *)device;
|
|
g_autolist(GDBusInterface) interfaces = NULL;
|
|
|
|
g_assert (MKS_IS_SCREEN (self));
|
|
g_assert (MKS_QEMU_IS_OBJECT (object));
|
|
|
|
interfaces = g_dbus_object_get_interfaces (G_DBUS_OBJECT (object));
|
|
|
|
for (const GList *iter = interfaces; iter; iter = iter->next)
|
|
{
|
|
GDBusInterface *iface = iter->data;
|
|
|
|
if (MKS_QEMU_IS_CONSOLE (iface))
|
|
mks_screen_set_console (self, MKS_QEMU_CONSOLE (iface));
|
|
else if (MKS_QEMU_IS_KEYBOARD (iface))
|
|
self->keyboard = _mks_device_new (MKS_TYPE_KEYBOARD, device->session, object);
|
|
else if (MKS_QEMU_IS_MOUSE (iface))
|
|
self->mouse = _mks_device_new (MKS_TYPE_MOUSE, device->session, object);
|
|
else if (MKS_QEMU_IS_MULTI_TOUCH (iface))
|
|
self->touchable = _mks_device_new (MKS_TYPE_TOUCHABLE, device->session, object);
|
|
}
|
|
|
|
return self->console != NULL &&
|
|
self->keyboard != NULL &&
|
|
self->mouse != NULL;
|
|
}
|
|
|
|
static void
|
|
mks_screen_dispose (GObject *object)
|
|
{
|
|
MksScreen *self = (MksScreen *)object;
|
|
|
|
if (self->console != NULL)
|
|
{
|
|
g_clear_signal_handler (&self->console_notify_handler, self->console);
|
|
g_clear_object (&self->console);
|
|
}
|
|
|
|
g_clear_object (&self->keyboard);
|
|
g_clear_object (&self->mouse);
|
|
g_clear_object (&self->touchable);
|
|
|
|
G_OBJECT_CLASS (mks_screen_parent_class)->dispose (object);
|
|
}
|
|
|
|
static void
|
|
mks_screen_get_property (GObject *object,
|
|
guint prop_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
MksScreen *self = MKS_SCREEN (object);
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_DEVICE_ADDRESS:
|
|
g_value_set_string (value, mks_screen_get_device_address (self));
|
|
break;
|
|
|
|
case PROP_KEYBOARD:
|
|
g_value_set_object (value, mks_screen_get_keyboard (self));
|
|
break;
|
|
|
|
case PROP_KIND:
|
|
g_value_set_enum (value, mks_screen_get_kind (self));
|
|
break;
|
|
|
|
case PROP_MOUSE:
|
|
g_value_set_object (value, mks_screen_get_mouse (self));
|
|
break;
|
|
|
|
case PROP_NUMBER:
|
|
g_value_set_uint (value, mks_screen_get_number (self));
|
|
break;
|
|
|
|
case PROP_WIDTH:
|
|
g_value_set_uint (value, mks_screen_get_width (self));
|
|
break;
|
|
|
|
case PROP_HEIGHT:
|
|
g_value_set_uint (value, mks_screen_get_height (self));
|
|
break;
|
|
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
}
|
|
}
|
|
|
|
static void
|
|
mks_screen_class_init (MksScreenClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
MksDeviceClass *device_class = MKS_DEVICE_CLASS (klass);
|
|
|
|
object_class->dispose = mks_screen_dispose;
|
|
object_class->get_property = mks_screen_get_property;
|
|
|
|
device_class->setup = mks_screen_setup;
|
|
|
|
properties [PROP_DEVICE_ADDRESS] =
|
|
g_param_spec_string ("device-address", NULL, NULL,
|
|
NULL,
|
|
(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
|
|
|
|
properties [PROP_KEYBOARD] =
|
|
g_param_spec_object ("keyboard", NULL, NULL,
|
|
MKS_TYPE_KEYBOARD,
|
|
(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
|
|
|
|
properties [PROP_KIND] =
|
|
g_param_spec_enum ("kind", NULL, NULL,
|
|
MKS_TYPE_SCREEN_KIND,
|
|
MKS_SCREEN_KIND_TEXT,
|
|
(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
|
|
|
|
properties [PROP_MOUSE] =
|
|
g_param_spec_object ("mouse", NULL, NULL,
|
|
MKS_TYPE_MOUSE,
|
|
(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
|
|
|
|
properties [PROP_NUMBER] =
|
|
g_param_spec_uint ("number", NULL, NULL,
|
|
0, G_MAXUINT, 0,
|
|
(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
|
|
|
|
properties [PROP_WIDTH] =
|
|
g_param_spec_uint ("width", NULL, NULL,
|
|
0, G_MAXUINT, 0,
|
|
(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
|
|
|
|
properties [PROP_HEIGHT] =
|
|
g_param_spec_uint ("height", NULL, NULL,
|
|
0, G_MAXUINT, 0,
|
|
(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
|
|
|
|
g_object_class_install_properties (object_class, N_PROPS, properties);
|
|
}
|
|
|
|
static void
|
|
mks_screen_init (MksScreen *self)
|
|
{
|
|
}
|
|
|
|
/**
|
|
* mks_screen_get_keyboard:
|
|
* @self: a #MksScreen
|
|
*
|
|
* Gets the #MksScreen:keyboard property.
|
|
*
|
|
* Returns: (transfer none): a #MksKeyboard
|
|
*/
|
|
MksKeyboard *
|
|
mks_screen_get_keyboard (MksScreen *self)
|
|
{
|
|
g_return_val_if_fail (MKS_IS_SCREEN (self), NULL);
|
|
|
|
return self->keyboard;
|
|
}
|
|
|
|
/**
|
|
* mks_screen_get_mouse:
|
|
* @self: a #MksScreen
|
|
*
|
|
* Gets the #MksScreen:mouse property.
|
|
*
|
|
* Returns: (transfer none): a #MksMouse
|
|
*/
|
|
MksMouse *
|
|
mks_screen_get_mouse (MksScreen *self)
|
|
{
|
|
g_return_val_if_fail (MKS_IS_SCREEN (self), NULL);
|
|
|
|
return self->mouse;
|
|
}
|
|
|
|
/**
|
|
* mks_screen_get_touchable:
|
|
* @self: a #MksScreen
|
|
*
|
|
* Gets the #MksScreen:touchable property.
|
|
*
|
|
* Returns: (transfer none): a #MksTouchable
|
|
*/
|
|
MksTouchable *
|
|
mks_screen_get_touchable (MksScreen *self)
|
|
{
|
|
g_return_val_if_fail (MKS_IS_SCREEN (self), NULL);
|
|
|
|
return self->touchable;
|
|
}
|
|
|
|
/**
|
|
* mks_screen_get_kind:
|
|
* @self: a #MksScreen
|
|
*
|
|
* Gets the "kind" property.
|
|
*
|
|
* Returns: a #MksScreenKind
|
|
*/
|
|
MksScreenKind
|
|
mks_screen_get_kind (MksScreen *self)
|
|
{
|
|
g_return_val_if_fail (MKS_IS_SCREEN (self), MKS_SCREEN_KIND_TEXT);
|
|
|
|
return self->kind;
|
|
}
|
|
|
|
/**
|
|
* mks_screen_get_width:
|
|
* @self: a #MksScreen
|
|
*
|
|
* Gets the "width" property.
|
|
*
|
|
* Returns: The width of the screen in pixels.
|
|
*/
|
|
guint
|
|
mks_screen_get_width (MksScreen *self)
|
|
{
|
|
g_return_val_if_fail (MKS_IS_SCREEN (self), 0);
|
|
|
|
return self->width;
|
|
}
|
|
|
|
/**
|
|
* mks_screen_get_height:
|
|
* @self: a #MksScreen
|
|
*
|
|
* Gets the "height" property.
|
|
*
|
|
* Returns: The height of the screen in pixels.
|
|
*/
|
|
guint
|
|
mks_screen_get_height (MksScreen *self)
|
|
{
|
|
g_return_val_if_fail (MKS_IS_SCREEN (self), 0);
|
|
|
|
return self->height;
|
|
}
|
|
|
|
/**
|
|
* mks_screen_get_number:
|
|
* @self: a #MksScreen
|
|
*
|
|
* Gets the "number" property.
|
|
*
|
|
* Returns: the screen number
|
|
*/
|
|
guint
|
|
mks_screen_get_number (MksScreen *self)
|
|
{
|
|
g_return_val_if_fail (MKS_IS_SCREEN (self), 0);
|
|
|
|
return self->number;
|
|
}
|
|
|
|
const char *
|
|
mks_screen_get_device_address (MksScreen *self)
|
|
{
|
|
g_return_val_if_fail (MKS_IS_SCREEN (self), NULL);
|
|
|
|
if (self->console != NULL)
|
|
return mks_qemu_console_get_device_address (self->console);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static gboolean
|
|
check_console (MksScreen *self,
|
|
GError **error)
|
|
{
|
|
if (self->console == NULL)
|
|
{
|
|
g_set_error_literal (error,
|
|
G_IO_ERROR,
|
|
G_IO_ERROR_NOT_CONNECTED,
|
|
"Not connected");
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
mks_screen_configure_cb (GObject *object,
|
|
GAsyncResult *result,
|
|
gpointer user_data)
|
|
{
|
|
MksQemuConsole *console = (MksQemuConsole *)object;
|
|
g_autoptr(GError) error = NULL;
|
|
g_autoptr(GTask) task = user_data;
|
|
|
|
g_assert (MKS_QEMU_IS_CONSOLE (console));
|
|
g_assert (G_IS_ASYNC_RESULT (result));
|
|
g_assert (G_IS_TASK (task));
|
|
|
|
if (!mks_qemu_console_call_set_uiinfo_finish (console, result, &error))
|
|
g_task_return_error (task, g_steal_pointer (&error));
|
|
else
|
|
g_task_return_boolean (task, TRUE);
|
|
}
|
|
|
|
/**
|
|
* mks_screen_configure_async:
|
|
* @self: an #MksScreen
|
|
* @attributes: (transfer full): a #MksScreenAttributes
|
|
* @cancellable: (nullable): a #GCancellable
|
|
* @callback: a #GAsyncReadyCallback to execute upon completion
|
|
* @user_data: closure data for @callback
|
|
*
|
|
* Requests the QEMU instance reconfigure the screen with @attributes.
|
|
*
|
|
* This function takes ownership of @attributes.
|
|
*
|
|
* @callback is executed upon acknowledgment from the QEMU instance or
|
|
* if the request timed out.
|
|
*
|
|
* Call mks_screen_configure_finish() to get the result.
|
|
*/
|
|
void
|
|
mks_screen_configure (MksScreen *self,
|
|
MksScreenAttributes *attributes,
|
|
GCancellable *cancellable,
|
|
GAsyncReadyCallback callback,
|
|
gpointer user_data)
|
|
{
|
|
g_autoptr(GTask) task = NULL;
|
|
g_autoptr(GError) error = NULL;
|
|
|
|
g_return_if_fail (MKS_IS_SCREEN (self));
|
|
g_return_if_fail (attributes != NULL);
|
|
g_return_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable));
|
|
|
|
task = g_task_new (self, cancellable, callback, user_data);
|
|
g_task_set_source_tag (task, mks_screen_configure);
|
|
|
|
if (!check_console (self, &error))
|
|
g_task_return_error (task, g_steal_pointer (&error));
|
|
else
|
|
mks_qemu_console_call_set_uiinfo (self->console,
|
|
attributes->width_mm,
|
|
attributes->height_mm,
|
|
attributes->x_offset,
|
|
attributes->y_offset,
|
|
attributes->width,
|
|
attributes->height,
|
|
cancellable,
|
|
mks_screen_configure_cb,
|
|
g_steal_pointer (&task));
|
|
|
|
mks_screen_attributes_free (attributes);
|
|
}
|
|
|
|
/**
|
|
* mks_screen_configure_finish:
|
|
* @self: an #MksScreen
|
|
* @result: a #GAsyncResult provided to callback
|
|
* @error: a location for a #GError, or %NULL
|
|
*
|
|
* Completes a call to mks_screen_configure().
|
|
*
|
|
* Returns: %TRUE if the operation completed successfully; otherwise %FALSE
|
|
* and @error is set.
|
|
*/
|
|
gboolean
|
|
mks_screen_configure_finish (MksScreen *self,
|
|
GAsyncResult *result,
|
|
GError **error)
|
|
{
|
|
g_return_val_if_fail (MKS_IS_SCREEN (self), FALSE);
|
|
g_return_val_if_fail (g_task_is_valid (result, self), FALSE);
|
|
|
|
return g_task_propagate_boolean (G_TASK (result), error);
|
|
}
|
|
|
|
/**
|
|
* mks_screen_configure_sync:
|
|
* @self: a #MksScreen
|
|
* @attributes: (transfer full): a #MksScreenAttributes
|
|
* @cancellable: a #GCancellable
|
|
* @error: a location for a #GError, or %NULL
|
|
*
|
|
* Requests the QEMU instance reconfigure the screen using @attributes.
|
|
*
|
|
* This function takes ownership of @attributes.
|
|
*
|
|
* Returns: %TRUE if the operation completed successfully; otherwise %FALSE
|
|
* and @error is set.
|
|
*/
|
|
gboolean
|
|
mks_screen_configure_sync (MksScreen *self,
|
|
MksScreenAttributes *attributes,
|
|
GCancellable *cancellable,
|
|
GError **error)
|
|
{
|
|
g_return_val_if_fail (MKS_IS_SCREEN (self), FALSE);
|
|
g_return_val_if_fail (attributes != NULL, FALSE);
|
|
g_return_val_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable), FALSE);
|
|
|
|
if (!check_console (self, error))
|
|
return FALSE;
|
|
|
|
return mks_qemu_console_call_set_uiinfo_sync (self->console,
|
|
attributes->width_mm,
|
|
attributes->height_mm,
|
|
attributes->x_offset,
|
|
attributes->y_offset,
|
|
attributes->width,
|
|
attributes->height,
|
|
cancellable,
|
|
error);
|
|
}
|
|
|
|
static void
|
|
mks_screen_attach_cb (GObject *object,
|
|
GAsyncResult *result,
|
|
gpointer user_data)
|
|
{
|
|
MksQemuConsole *console = (MksQemuConsole *)object;
|
|
g_autoptr(GTask) task = user_data;
|
|
g_autoptr(GError) error = NULL;
|
|
|
|
g_assert (G_IS_OBJECT (object));
|
|
g_assert (G_IS_ASYNC_RESULT (result));
|
|
g_assert (G_IS_TASK (task));
|
|
|
|
if (!mks_qemu_console_call_register_listener_finish (console, NULL, result, &error))
|
|
g_task_return_error (task, g_steal_pointer (&error));
|
|
else
|
|
g_task_return_pointer (task,
|
|
g_object_ref (g_task_get_task_data (task)),
|
|
g_object_unref);
|
|
}
|
|
|
|
/**
|
|
* mks_screen_attach:
|
|
* @self: an #MksScreen
|
|
* @cancellable: (nullable): a #GCancellable
|
|
* @callback: a #GAsyncReadyCallback to execute upon completion
|
|
* @user_data: closure data for @callback
|
|
*
|
|
* Asynchronously creates a #GdkPaintable that is updated with the
|
|
* contents of the screen.
|
|
*
|
|
* This function registers a new `socketpair()` which is shared with
|
|
* the QEMU instance to receive rendering updates. Those updates are
|
|
* propagated to the resulting #GdkPainable which can be retrieved
|
|
* using mks_screen_attach_finish() from @callback.
|
|
*/
|
|
void
|
|
mks_screen_attach (MksScreen *self,
|
|
GCancellable *cancellable,
|
|
GAsyncReadyCallback callback,
|
|
gpointer user_data)
|
|
{
|
|
g_autoptr(GUnixFDList) unix_fd_list = NULL;
|
|
g_autoptr(GdkPaintable) paintable = NULL;
|
|
g_autoptr(GTask) task = NULL;
|
|
g_autoptr(GError) error = NULL;
|
|
g_autofd int fd = -1;
|
|
|
|
g_return_if_fail (MKS_IS_SCREEN (self));
|
|
g_return_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable));
|
|
|
|
task = g_task_new (self, cancellable, callback, user_data);
|
|
g_task_set_source_tag (task, mks_screen_attach);
|
|
|
|
if (!check_console (self, &error) ||
|
|
!(paintable = _mks_paintable_new (cancellable, &fd, &error)))
|
|
goto failure;
|
|
|
|
g_task_set_task_data (task, g_steal_pointer (&paintable), g_object_unref);
|
|
|
|
unix_fd_list = g_unix_fd_list_new_from_array (&fd, 1), fd = -1;
|
|
mks_qemu_console_call_register_listener (self->console,
|
|
g_variant_new_handle (0),
|
|
unix_fd_list,
|
|
cancellable,
|
|
mks_screen_attach_cb,
|
|
g_steal_pointer (&task));
|
|
|
|
return;
|
|
|
|
failure:
|
|
g_task_return_error (task, g_steal_pointer (&error));
|
|
}
|
|
|
|
/**
|
|
* mks_screen_attach_finish:
|
|
* @self: an #MksScreen
|
|
* @result: a #GAsyncResult provided to callback
|
|
* @error: a location for a #GError, or %NULL
|
|
*
|
|
* Completes an asynchronous request to create a [iface@Gdk.Paintable] containing
|
|
* the contents of #MksScreen in the QEMU instance.
|
|
*
|
|
* The resulting [iface@Gdk.Paintable] will be updated as changes are delivered
|
|
* from QEMU over a private `socketpair()`. In the typical case, those
|
|
* changes are propagated using a DMA-BUF and damage notifications.
|
|
*
|
|
* Returns: (transfer full): a #GdkPainable if successful; otherwise %NULL
|
|
* and @error is set.
|
|
*/
|
|
GdkPaintable *
|
|
mks_screen_attach_finish (MksScreen *self,
|
|
GAsyncResult *result,
|
|
GError **error)
|
|
{
|
|
g_return_val_if_fail (MKS_IS_SCREEN (self), FALSE);
|
|
g_return_val_if_fail (g_task_is_valid (result, self), FALSE);
|
|
|
|
return g_task_propagate_pointer (G_TASK (result), error);
|
|
}
|
|
|
|
/**
|
|
* mks_screen_attach_sync:
|
|
* @self: a #MksScreen
|
|
* @cancellable: (nullable): a #GCancellable or %NULL
|
|
* @error: (nullable): a location for a #GError, or %NULL
|
|
*
|
|
* Synchronous request to attach to screen, creating a paintable that can
|
|
* be used to update display as the QEMU instance updates.
|
|
*
|
|
* Returns: (transfer full): a #GdkPaintable if successful; otherwise %NULL
|
|
* and @error is set.
|
|
*/
|
|
GdkPaintable *
|
|
mks_screen_attach_sync (MksScreen *self,
|
|
GCancellable *cancellable,
|
|
GError **error)
|
|
{
|
|
g_autoptr(GUnixFDList) unix_fd_list = NULL;
|
|
g_autoptr(GdkPaintable) paintable = NULL;
|
|
g_autofd int fd = -1;
|
|
|
|
g_return_val_if_fail (MKS_IS_SCREEN (self), NULL);
|
|
g_return_val_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable), NULL);
|
|
|
|
if (!check_console (self, error) ||
|
|
!(paintable = _mks_paintable_new (cancellable, &fd, error)))
|
|
return NULL;
|
|
|
|
unix_fd_list = g_unix_fd_list_new_from_array (&fd, 1), fd = -1;
|
|
if (!mks_qemu_console_call_register_listener_sync (self->console,
|
|
g_variant_new_handle (0),
|
|
unix_fd_list,
|
|
NULL,
|
|
cancellable,
|
|
error))
|
|
return NULL;
|
|
|
|
return g_steal_pointer (&paintable);
|
|
}
|