libmks/lib/mks-display-picture.c

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/*
* mks-display-picture.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/>.
*
2023-06-01 11:04:35 +00:00
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#define G_LOG_DOMAIN "mks-display-picture"
#include "config.h"
#include "mks-display-picture-private.h"
#include "mks-keyboard.h"
#include "mks-mouse.h"
#include "mks-touchable.h"
#include "mks-util-private.h"
struct _MksDisplayPicture
{
GtkWidget parent_instance;
GSignalGroup *paintable_signals;
MksPaintable *paintable;
MksKeyboard *keyboard;
MksMouse *mouse;
MksTouchable *touchable;
double last_mouse_x;
double last_mouse_y;
};
enum {
PROP_0,
PROP_PAINTABLE,
PROP_KEYBOARD,
PROP_MOUSE,
PROP_TOUCHABLE,
N_PROPS
};
G_DEFINE_FINAL_TYPE (MksDisplayPicture, mks_display_picture, GTK_TYPE_WIDGET)
static GParamSpec *properties [N_PROPS];
static void
mks_display_picture_keyboard_press_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
MksKeyboard *keyboard = (MksKeyboard *)object;
g_autoptr(MksDisplayPicture) self = user_data;
g_autoptr(GError) error = NULL;
g_assert (MKS_IS_KEYBOARD (keyboard));
g_assert (G_IS_ASYNC_RESULT (result));
g_assert (MKS_IS_DISPLAY_PICTURE (self));
if (!mks_keyboard_press_finish (keyboard, result, &error))
g_debug ("Keyboard press failed: %s", error->message);
}
static void
mks_display_picture_keyboard_release_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
MksKeyboard *keyboard = (MksKeyboard *)object;
g_autoptr(MksDisplayPicture) self = user_data;
g_autoptr(GError) error = NULL;
g_assert (MKS_IS_KEYBOARD (keyboard));
g_assert (G_IS_ASYNC_RESULT (result));
g_assert (MKS_IS_DISPLAY_PICTURE (self));
if (!mks_keyboard_release_finish (keyboard, result, &error))
g_debug ("Keyboard release failed: %s", error->message);
}
static void
mks_display_picture_mouse_move_to_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
MksMouse *mouse = (MksMouse *)object;
g_autoptr(MksDisplayPicture) self = user_data;
g_autoptr(GError) error = NULL;
g_assert (MKS_IS_MOUSE (mouse));
g_assert (G_IS_ASYNC_RESULT (result));
g_assert (MKS_IS_DISPLAY_PICTURE (self));
if (!mks_mouse_move_to_finish (mouse, result, &error))
g_debug ("Failed move_to: %s", error->message);
}
static void
mks_display_picture_mouse_move_by_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
MksMouse *mouse = (MksMouse *)object;
g_autoptr(MksDisplayPicture) self = user_data;
g_autoptr(GError) error = NULL;
g_assert (MKS_IS_MOUSE (mouse));
g_assert (G_IS_ASYNC_RESULT (result));
g_assert (MKS_IS_DISPLAY_PICTURE (self));
if (!mks_mouse_move_by_finish (mouse, result, &error))
g_debug ("Failed move_by: %s", error->message);
}
static void
mks_display_picture_touchable_send_event_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
MksTouchable *touchable = (MksTouchable *)object;
g_autoptr(MksDisplayPicture) self = user_data;
g_autoptr(GError) error = NULL;
g_assert (MKS_IS_TOUCHABLE (touchable));
g_assert (G_IS_ASYNC_RESULT (result));
g_assert (MKS_IS_DISPLAY_PICTURE (self));
if (!mks_touchable_send_event_finish (touchable, result, &error))
g_debug ("Failed to send touch event: %s", error->message);
}
static void
mks_display_picture_translate_button (MksDisplayPicture *self,
int *button)
{
g_assert (MKS_IS_DISPLAY_PICTURE (self));
g_assert (button != NULL);
switch (*button)
{
case 1: *button = MKS_MOUSE_BUTTON_LEFT; break;
case 2: *button = MKS_MOUSE_BUTTON_MIDDLE; break;
case 3: *button = MKS_MOUSE_BUTTON_RIGHT; break;
case 8: *button = MKS_MOUSE_BUTTON_SIDE; break;
case 9: *button = MKS_MOUSE_BUTTON_EXTRA; break;
default: break;
}
}
static void
mks_display_picture_mouse_press_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
MksMouse *mouse = (MksMouse *)object;
g_autoptr(MksDisplayPicture) self = user_data;
g_autoptr(GError) error = NULL;
g_assert (MKS_IS_MOUSE (mouse));
g_assert (G_IS_ASYNC_RESULT (result));
g_assert (MKS_IS_DISPLAY_PICTURE (self));
if (!mks_mouse_press_finish (mouse, result, &error))
g_debug ("Mouse press failed: %s", error->message);
}
static void
mks_display_picture_mouse_release_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
MksMouse *mouse = (MksMouse *)object;
g_autoptr(MksDisplayPicture) self = user_data;
g_autoptr(GError) error = NULL;
g_assert (MKS_IS_MOUSE (mouse));
g_assert (G_IS_ASYNC_RESULT (result));
g_assert (MKS_IS_DISPLAY_PICTURE (self));
if (!mks_mouse_release_finish (mouse, result, &error))
g_debug ("Mouse release failed: %s", error->message);
}
gboolean
mks_display_picture_event_get_guest_position (MksDisplayPicture *self,
GdkEvent *event,
double *guest_x,
double *guest_y)
{
GdkPaintable *paintable;
GtkNative *native;
int guest_width, guest_height;
graphene_rect_t area;
graphene_point_t translated;
double translate_x, translate_y;
double x, y;
g_assert (MKS_IS_DISPLAY_PICTURE (self));
g_assert (GDK_IS_EVENT (event));
paintable = GDK_PAINTABLE (self->paintable);
native = gtk_widget_get_native (GTK_WIDGET (self));
guest_width = gdk_paintable_get_intrinsic_width (paintable);
guest_height = gdk_paintable_get_intrinsic_height (paintable);
area = GRAPHENE_RECT_INIT (0, 0,
gtk_widget_get_width (GTK_WIDGET (self)),
gtk_widget_get_height (GTK_WIDGET (self)));
gtk_native_get_surface_transform (native, &translate_x, &translate_y);
if (gdk_event_get_position (event, &x, &y))
{
x -= translate_x;
y -= translate_y;
if (!gtk_widget_compute_point (GTK_WIDGET (native),
GTK_WIDGET (self),
&GRAPHENE_POINT_INIT (x, y),
&translated))
return FALSE;
*guest_x = floor (translated.x) / area.size.width * guest_width;
*guest_y = floor (translated.y) / area.size.height * guest_height;
*guest_x = CLAMP (*guest_x, 0, guest_width);
*guest_y = CLAMP (*guest_y, 0, guest_width);
return TRUE;
}
return FALSE;
}
static gboolean
mks_display_picture_legacy_event_cb (MksDisplayPicture *self,
GdkEvent *event,
GtkEventControllerLegacy *controller)
{
GdkPaintable *paintable;
GdkEventType event_type;
GdkEventSequence *sequence;
g_assert (MKS_IS_DISPLAY_PICTURE (self));
g_assert (GDK_IS_EVENT (event));
g_assert (GTK_IS_EVENT_CONTROLLER_LEGACY (controller));
if (self->keyboard == NULL || self->mouse == NULL || self->touchable == NULL || self->paintable == NULL)
return GDK_EVENT_PROPAGATE;
event_type = gdk_event_get_event_type (event);
paintable = GDK_PAINTABLE (self->paintable);
sequence = gdk_event_get_event_sequence (event);
switch ((int)event_type)
{
case GDK_TOUCH_BEGIN:
case GDK_TOUCH_UPDATE:
case GDK_TOUCH_CANCEL:
case GDK_TOUCH_END:
{
double guest_x, guest_y;
guint64 num_slot = GPOINTER_TO_UINT (sequence);
MksTouchEventKind kind;
if (event_type == GDK_TOUCH_BEGIN)
kind = MKS_TOUCH_EVENT_BEGIN;
else if (event_type == GDK_TOUCH_UPDATE)
kind = MKS_TOUCH_EVENT_UPDATE;
else if (event_type == GDK_TOUCH_CANCEL)
kind = MKS_TOUCH_EVENT_CANCEL;
else
kind = MKS_TOUCH_EVENT_END;
if (mks_display_picture_event_get_guest_position (self, event, &guest_x, &guest_y))
{
mks_touchable_send_event (self->touchable, kind,
num_slot,
guest_x, guest_y,
NULL,
mks_display_picture_touchable_send_event_cb,
g_object_ref (self));
return GDK_EVENT_STOP;
}
break;
}
case GDK_MOTION_NOTIFY:
{
GdkSurface *surface = gdk_event_get_surface (event);
GtkNative *native = gtk_widget_get_native (GTK_WIDGET (self));
int guest_width = gdk_paintable_get_intrinsic_width (paintable);
int guest_height = gdk_paintable_get_intrinsic_height (paintable);
graphene_rect_t area;
double translate_x;
double translate_y;
g_assert (MKS_IS_MOUSE (self->mouse));
g_assert (GDK_IS_SURFACE (surface));
area = GRAPHENE_RECT_INIT (0, 0,
gtk_widget_get_width (GTK_WIDGET (self)),
gtk_widget_get_height (GTK_WIDGET (self)));
gtk_native_get_surface_transform (native, &translate_x, &translate_y);
if (mks_mouse_get_is_absolute (self->mouse))
{
double guest_x, guest_y;
if (mks_display_picture_event_get_guest_position (self, event, &guest_x, &guest_y))
{
mks_mouse_move_to (self->mouse,
guest_x,
guest_y,
NULL,
mks_display_picture_mouse_move_to_cb,
g_object_ref (self));
return GDK_EVENT_STOP;
}
}
else
{
double x, y;
if (gdk_event_get_axis (event, GDK_AXIS_X, &x) &&
gdk_event_get_axis (event, GDK_AXIS_Y, &y))
{
double delta_x = self->last_mouse_x - (x / area.size.width) * guest_width;
double delta_y = self->last_mouse_y - (y / area.size.height) * guest_height;
mks_mouse_move_by (self->mouse,
delta_x,
delta_y,
NULL,
mks_display_picture_mouse_move_by_cb,
g_object_ref (self));
return GDK_EVENT_STOP;
}
}
break;
}
case GDK_BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
{
int button = gdk_button_event_get_button (event);
g_assert (MKS_IS_MOUSE (self->mouse));
mks_display_picture_translate_button (self, &button);
if (event_type == GDK_BUTTON_PRESS)
mks_mouse_press (self->mouse,
button,
NULL,
mks_display_picture_mouse_press_cb,
g_object_ref (self));
else
mks_mouse_release (self->mouse,
button,
NULL,
mks_display_picture_mouse_release_cb,
g_object_ref (self));
return GDK_EVENT_STOP;
}
case GDK_KEY_PRESS:
case GDK_KEY_RELEASE:
{
guint keycode = gdk_key_event_get_keycode (event);
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guint keyval = gdk_key_event_get_keyval (event);
guint qkeycode;
g_assert (MKS_IS_KEYBOARD (self->keyboard));
mks_keyboard_translate (keyval, keycode, &qkeycode);
if (event_type == GDK_KEY_PRESS)
mks_keyboard_press (self->keyboard,
qkeycode,
NULL,
mks_display_picture_keyboard_press_cb,
g_object_ref (self));
else
mks_keyboard_release (self->keyboard,
qkeycode,
NULL,
mks_display_picture_keyboard_release_cb,
g_object_ref (self));
return GDK_EVENT_STOP;
}
case GDK_SCROLL:
{
GdkScrollDirection direction = gdk_scroll_event_get_direction (event);
gboolean inverted = mks_scroll_event_is_inverted (event);
int button = -1;
g_assert (MKS_IS_MOUSE (self->mouse));
switch (direction)
{
case GDK_SCROLL_UP:
button = MKS_MOUSE_BUTTON_WHEEL_UP;
break;
case GDK_SCROLL_DOWN:
button = MKS_MOUSE_BUTTON_WHEEL_DOWN;
break;
case GDK_SCROLL_SMOOTH:
{
double delta_x;
double delta_y;
/*
* Currently there is no touchpad D-Bus interface to communicate
2023-05-23 10:24:33 +00:00
* with QEMU. That is something we would very much want to have
* in the future so that we can do this properly.
*
* For now, we just "emulate" scroll events by looking at direction
* and sending that across as wheel events. It's enough to be useful
* but far from what we would really want in the long run.
*/
gdk_scroll_event_get_deltas (event, &delta_x, &delta_y);
if (delta_y < 0)
button = MKS_MOUSE_BUTTON_WHEEL_DOWN;
else if (delta_y > 0)
button = MKS_MOUSE_BUTTON_WHEEL_UP;
break;
}
case GDK_SCROLL_LEFT:
case GDK_SCROLL_RIGHT:
default:
break;
}
if (button != -1)
{
if (inverted)
{
if (button == MKS_MOUSE_BUTTON_WHEEL_UP)
button = MKS_MOUSE_BUTTON_WHEEL_DOWN;
else if (button == MKS_MOUSE_BUTTON_WHEEL_DOWN)
button = MKS_MOUSE_BUTTON_WHEEL_UP;
}
mks_mouse_press (self->mouse,
button,
NULL,
mks_display_picture_mouse_press_cb,
g_object_ref (self));
return GDK_EVENT_STOP;
}
break;
}
default:
break;
}
return GDK_EVENT_PROPAGATE;
}
static void
mks_display_picture_invalidate_contents_cb (MksDisplayPicture *self,
MksPaintable *paintable)
{
g_assert (MKS_IS_DISPLAY_PICTURE (self));
g_assert (MKS_IS_PAINTABLE (paintable));
gtk_widget_queue_draw (GTK_WIDGET (self));
}
static void
mks_display_picture_invalidate_size_cb (MksDisplayPicture *self,
MksPaintable *paintable)
{
g_assert (MKS_IS_DISPLAY_PICTURE (self));
g_assert (MKS_IS_PAINTABLE (paintable));
gtk_widget_queue_resize (GTK_WIDGET (self));
}
static void
mks_display_picture_notify_cursor_cb (MksDisplayPicture *self,
GParamSpec *pspec,
MksPaintable *paintable)
{
GdkCursor *cursor;
g_assert (MKS_IS_DISPLAY_PICTURE (self));
g_assert (MKS_IS_PAINTABLE (paintable));
cursor = _mks_paintable_get_cursor (paintable);
gtk_widget_set_cursor (GTK_WIDGET (self), cursor);
}
static void
mks_display_picture_mouse_set_cb (MksDisplayPicture *self,
int x,
int y,
MksPaintable *paintable)
{
g_assert (MKS_IS_DISPLAY_PICTURE (self));
g_assert (MKS_IS_PAINTABLE (paintable));
self->last_mouse_x = x;
self->last_mouse_y = y;
}
static void
mks_display_picture_measure (GtkWidget *widget,
GtkOrientation orientation,
int for_size,
int *minimum,
int *natural,
int *minimum_baseline,
int *natural_baseline)
{
MksDisplayPicture *self = (MksDisplayPicture *)widget;
GdkPaintable *paintable;
double nat_width, nat_height;
int default_width;
int default_height;
g_assert (MKS_IS_DISPLAY_PICTURE (self));
if (self->paintable == NULL || for_size == 0)
{
*minimum = 0;
*natural = 0;
return;
}
paintable = GDK_PAINTABLE (self->paintable);
default_width = gdk_paintable_get_intrinsic_width (paintable);
default_height = gdk_paintable_get_intrinsic_width (paintable);
if (default_width <= 0)
default_width = 640;
if (default_height <= 0)
default_height = 480;
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
gdk_paintable_compute_concrete_size (paintable,
0,
for_size < 0 ? 0 : for_size,
default_width, default_height,
&nat_width, &nat_height);
*minimum = 0;
*natural = ceil (nat_width);
}
else
{
gdk_paintable_compute_concrete_size (paintable,
for_size < 0 ? 0 : for_size,
0,
default_width, default_height,
&nat_width, &nat_height);
*minimum = 0;
*natural = ceil (nat_height);
}
}
static GtkSizeRequestMode
mks_display_picture_get_request_mode (GtkWidget *widget)
{
return GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH;
}
static void
mks_display_picture_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot)
{
MksDisplayPicture *self = (MksDisplayPicture *)widget;
if (self->paintable == NULL)
return;
gdk_paintable_snapshot (GDK_PAINTABLE (self->paintable),
snapshot,
gtk_widget_get_width (GTK_WIDGET (self)),
gtk_widget_get_height (GTK_WIDGET (self)));
}
static void
mks_display_picture_dispose (GObject *object)
{
MksDisplayPicture *self = (MksDisplayPicture *)object;
g_clear_object (&self->paintable);
g_clear_object (&self->keyboard);
g_clear_object (&self->mouse);
g_clear_object (&self->paintable_signals);
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g_clear_object (&self->touchable);
G_OBJECT_CLASS (mks_display_picture_parent_class)->dispose (object);
}
static void
mks_display_picture_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
MksDisplayPicture *self = MKS_DISPLAY_PICTURE (object);
switch (prop_id)
{
case PROP_KEYBOARD:
g_value_set_object (value, mks_display_picture_get_keyboard (self));
break;
case PROP_MOUSE:
g_value_set_object (value, mks_display_picture_get_mouse (self));
break;
case PROP_TOUCHABLE:
g_value_set_object (value, mks_display_picture_get_touchable (self));
break;
case PROP_PAINTABLE:
g_value_set_object (value, mks_display_picture_get_paintable (self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
mks_display_picture_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
MksDisplayPicture *self = MKS_DISPLAY_PICTURE (object);
switch (prop_id)
{
case PROP_KEYBOARD:
mks_display_picture_set_keyboard (self, g_value_get_object (value));
break;
case PROP_MOUSE:
mks_display_picture_set_mouse (self, g_value_get_object (value));
break;
case PROP_TOUCHABLE:
mks_display_picture_set_touchable (self, g_value_get_object (value));
break;
case PROP_PAINTABLE:
mks_display_picture_set_paintable (self, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
mks_display_picture_class_init (MksDisplayPictureClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->dispose = mks_display_picture_dispose;
object_class->get_property = mks_display_picture_get_property;
object_class->set_property = mks_display_picture_set_property;
widget_class->measure = mks_display_picture_measure;
widget_class->get_request_mode = mks_display_picture_get_request_mode;
widget_class->snapshot = mks_display_picture_snapshot;
properties[PROP_KEYBOARD] =
g_param_spec_object ("keyboard", NULL, NULL,
MKS_TYPE_KEYBOARD,
(G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
properties[PROP_MOUSE] =
g_param_spec_object ("mouse", NULL, NULL,
MKS_TYPE_MOUSE,
(G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
properties[PROP_TOUCHABLE] =
g_param_spec_object ("touchable", NULL, NULL,
MKS_TYPE_TOUCHABLE,
(G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
properties[PROP_PAINTABLE] =
g_param_spec_object ("paintable", NULL, NULL,
MKS_TYPE_PAINTABLE,
(G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
g_object_class_install_properties (object_class, N_PROPS, properties);
}
static void
mks_display_picture_init (MksDisplayPicture *self)
{
GtkEventController *controller;
g_autoptr(GdkCursor) gdk_cursor = gdk_cursor_new_from_name ("none", NULL);
controller = gtk_event_controller_legacy_new ();
g_signal_connect_object (controller,
"event",
G_CALLBACK (mks_display_picture_legacy_event_cb),
self,
G_CONNECT_SWAPPED);
gtk_event_controller_set_propagation_phase (controller, GTK_PHASE_CAPTURE);
gtk_widget_add_controller (GTK_WIDGET (self), controller);
self->paintable_signals = g_signal_group_new (MKS_TYPE_PAINTABLE);
g_signal_group_connect_object (self->paintable_signals,
"invalidate-contents",
G_CALLBACK (mks_display_picture_invalidate_contents_cb),
self,
G_CONNECT_SWAPPED);
g_signal_group_connect_object (self->paintable_signals,
"invalidate-size",
G_CALLBACK (mks_display_picture_invalidate_size_cb),
self,
G_CONNECT_SWAPPED);
g_signal_group_connect_object (self->paintable_signals,
"notify::cursor",
G_CALLBACK (mks_display_picture_notify_cursor_cb),
self,
G_CONNECT_SWAPPED);
g_signal_group_connect_object (self->paintable_signals,
"mouse-set",
G_CALLBACK (mks_display_picture_mouse_set_cb),
self,
G_CONNECT_SWAPPED);
gtk_widget_set_cursor (GTK_WIDGET (self), gdk_cursor);
gtk_widget_set_focusable (GTK_WIDGET (self), TRUE);
}
GtkWidget *
mks_display_picture_new (void)
{
return g_object_new (MKS_TYPE_DISPLAY_PICTURE, NULL);
}
MksPaintable *
mks_display_picture_get_paintable (MksDisplayPicture *self)
{
g_return_val_if_fail (MKS_IS_DISPLAY_PICTURE (self), NULL);
return self->paintable;
}
void
mks_display_picture_set_paintable (MksDisplayPicture *self,
MksPaintable *paintable)
{
g_return_if_fail (MKS_IS_DISPLAY_PICTURE (self));
g_return_if_fail (!paintable || MKS_IS_PAINTABLE (paintable));
if (g_set_object (&self->paintable, paintable))
{
g_signal_group_set_target (self->paintable_signals, paintable);
g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_PAINTABLE]);
gtk_widget_queue_resize (GTK_WIDGET (self));
}
}
MksMouse *
mks_display_picture_get_mouse (MksDisplayPicture *self)
{
g_return_val_if_fail (MKS_IS_DISPLAY_PICTURE (self), NULL);
return self->mouse;
}
void
mks_display_picture_set_mouse (MksDisplayPicture *self,
MksMouse *mouse)
{
g_return_if_fail (MKS_IS_DISPLAY_PICTURE (self));
g_return_if_fail (!mouse || MKS_IS_MOUSE (mouse));
if (g_set_object (&self->mouse, mouse))
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_MOUSE]);
}
MksKeyboard *
mks_display_picture_get_keyboard (MksDisplayPicture *self)
{
g_return_val_if_fail (MKS_IS_DISPLAY_PICTURE (self), NULL);
return self->keyboard;
}
void
mks_display_picture_set_keyboard (MksDisplayPicture *self,
MksKeyboard *keyboard)
{
g_return_if_fail (MKS_IS_DISPLAY_PICTURE (self));
g_return_if_fail (!keyboard || MKS_IS_KEYBOARD (keyboard));
if (g_set_object (&self->keyboard, keyboard))
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_KEYBOARD]);
}
MksTouchable *
mks_display_picture_get_touchable (MksDisplayPicture *self)
{
g_return_val_if_fail (MKS_IS_DISPLAY_PICTURE (self), NULL);
return self->touchable;
}
void
mks_display_picture_set_touchable (MksDisplayPicture *self,
MksTouchable *touchable)
{
g_return_if_fail (MKS_IS_DISPLAY_PICTURE (self));
g_return_if_fail (!touchable || MKS_IS_TOUCHABLE (touchable));
if (g_set_object (&self->touchable, touchable))
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_TOUCHABLE]);
}