libmks/lib/mks-screen.c

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/*
* mks-screen.c
*
* Copyright 2023 Christian Hergert <chergert@redhat.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 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: GPL-3.0-or-later
*/
#include "config.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-screen-private.h"
struct _MksScreenClass
{
MksDeviceClass parent_class;
};
struct _MksScreen
{
MksDevice parent_instance;
MksQemuConsole *console;
gulong console_notify_handler;
MksKeyboard *keyboard;
MksMouse *mouse;
guint number;
guint width;
guint height;
MksScreenKind kind : 2;
};
G_DEFINE_FINAL_TYPE (MksScreen, mks_screen, MKS_TYPE_DEVICE)
enum {
PROP_0,
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_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));
}
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))
{
const char *type;
_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);
if ((type = mks_qemu_console_get_type_ ((console))))
{
if (strcmp (type, "Graphic") == 0)
self->kind = MKS_SCREEN_KIND_GRAPHIC;
}
self->width = mks_qemu_console_get_width (console);
self->height = mks_qemu_console_get_height (console);
self->number = 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, object);
else if (MKS_QEMU_IS_MOUSE (iface))
self->mouse = _mks_device_new (MKS_TYPE_MOUSE, 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_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_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_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_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;
}